From 64badcb6d6459cc6f7b46f7d45e44c95ab874337 Mon Sep 17 00:00:00 2001 From: Michal Kazior Date: Thu, 18 Sep 2014 11:18:02 +0300 Subject: [PATCH 01/45] ath10k: workaround fw beaconing bug Some firmware revisions don't wait for beacon tx completion before sending another SWBA event. This could lead to hardware using old (freed) beacon data in some cases, e.g. tx credit starvation combined with missed TBTT. This is very very rare. On non-IOMMU-enabled hosts this could be a possible security issue because hw could beacon some random data on the air. On IOMMU-enabled hosts DMAR faults would occur in most cases and target device would crash. Since there are no beacon tx completions (implicit nor explicit) propagated to host the only workaround for this is to allocate a DMA-coherent buffer for a lifetime of a vif and use it for all beacon tx commands. Worst case for this approach is some beacons may become corrupted, e.g. garbled IEs or out-of-date TIM bitmap. Keep the original beacon-related code as-is in case future firmware revisions solve this problem so that the old path can be easily re-enabled with a fw_feature flag. Signed-off-by: Michal Kazior Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/core.h | 2 + drivers/net/wireless/ath/ath10k/mac.c | 106 ++++++++++++++++++------- drivers/net/wireless/ath/ath10k/mac.h | 1 + drivers/net/wireless/ath/ath10k/wmi.c | 36 +++++---- 4 files changed, 102 insertions(+), 43 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h index fe531ea6926c..d1ea936d14b7 100644 --- a/drivers/net/wireless/ath/ath10k/core.h +++ b/drivers/net/wireless/ath/ath10k/core.h @@ -234,6 +234,8 @@ struct ath10k_vif { struct sk_buff *beacon; /* protected by data_lock */ bool beacon_sent; + void *beacon_buf; + dma_addr_t beacon_paddr; struct ath10k *ar; struct ieee80211_vif *vif; diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index c708c100e361..fe00a71a4dba 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -479,6 +479,40 @@ static void ath10k_peer_cleanup_all(struct ath10k *ar) /* Interface management */ /************************/ +void ath10k_mac_vif_beacon_free(struct ath10k_vif *arvif) +{ + struct ath10k *ar = arvif->ar; + + lockdep_assert_held(&ar->data_lock); + + if (!arvif->beacon) + return; + + if (!arvif->beacon_buf) + dma_unmap_single(ar->dev, ATH10K_SKB_CB(arvif->beacon)->paddr, + arvif->beacon->len, DMA_TO_DEVICE); + + dev_kfree_skb_any(arvif->beacon); + + arvif->beacon = NULL; + arvif->beacon_sent = false; +} + +static void ath10k_mac_vif_beacon_cleanup(struct ath10k_vif *arvif) +{ + struct ath10k *ar = arvif->ar; + + lockdep_assert_held(&ar->data_lock); + + ath10k_mac_vif_beacon_free(arvif); + + if (arvif->beacon_buf) { + dma_free_coherent(ar->dev, IEEE80211_MAX_FRAME_LEN, + arvif->beacon_buf, arvif->beacon_paddr); + arvif->beacon_buf = NULL; + } +} + static inline int ath10k_vdev_setup_sync(struct ath10k *ar) { int ret; @@ -909,15 +943,7 @@ static void ath10k_control_beaconing(struct ath10k_vif *arvif, arvif->is_up = false; spin_lock_bh(&arvif->ar->data_lock); - if (arvif->beacon) { - dma_unmap_single(arvif->ar->dev, - ATH10K_SKB_CB(arvif->beacon)->paddr, - arvif->beacon->len, DMA_TO_DEVICE); - dev_kfree_skb_any(arvif->beacon); - - arvif->beacon = NULL; - arvif->beacon_sent = false; - } + ath10k_mac_vif_beacon_free(arvif); spin_unlock_bh(&arvif->ar->data_lock); return; @@ -2376,16 +2402,8 @@ void ath10k_halt(struct ath10k *ar) ath10k_hif_power_down(ar); spin_lock_bh(&ar->data_lock); - list_for_each_entry(arvif, &ar->arvifs, list) { - if (!arvif->beacon) - continue; - - dma_unmap_single(arvif->ar->dev, - ATH10K_SKB_CB(arvif->beacon)->paddr, - arvif->beacon->len, DMA_TO_DEVICE); - dev_kfree_skb_any(arvif->beacon); - arvif->beacon = NULL; - } + list_for_each_entry(arvif, &ar->arvifs, list) + ath10k_mac_vif_beacon_cleanup(arvif); spin_unlock_bh(&ar->data_lock); } @@ -2804,8 +2822,39 @@ static int ath10k_add_interface(struct ieee80211_hw *hw, break; } - ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev create %d (add interface) type %d subtype %d\n", - arvif->vdev_id, arvif->vdev_type, arvif->vdev_subtype); + /* Some firmware revisions don't wait for beacon tx completion before + * sending another SWBA event. This could lead to hardware using old + * (freed) beacon data in some cases, e.g. tx credit starvation + * combined with missed TBTT. This is very very rare. + * + * On non-IOMMU-enabled hosts this could be a possible security issue + * because hw could beacon some random data on the air. On + * IOMMU-enabled hosts DMAR faults would occur in most cases and target + * device would crash. + * + * Since there are no beacon tx completions (implicit nor explicit) + * propagated to host the only workaround for this is to allocate a + * DMA-coherent buffer for a lifetime of a vif and use it for all + * beacon tx commands. Worst case for this approach is some beacons may + * become corrupted, e.g. have garbled IEs or out-of-date TIM bitmap. + */ + if (vif->type == NL80211_IFTYPE_ADHOC || + vif->type == NL80211_IFTYPE_AP) { + arvif->beacon_buf = dma_zalloc_coherent(ar->dev, + IEEE80211_MAX_FRAME_LEN, + &arvif->beacon_paddr, + GFP_KERNEL); + if (!arvif->beacon_buf) { + ret = -ENOMEM; + ath10k_warn(ar, "failed to allocate beacon buffer: %d\n", + ret); + goto err; + } + } + + ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev create %d (add interface) type %d subtype %d bcnmode %s\n", + arvif->vdev_id, arvif->vdev_type, arvif->vdev_subtype, + arvif->beacon_buf ? "single-buf" : "per-skb"); ret = ath10k_wmi_vdev_create(ar, arvif->vdev_id, arvif->vdev_type, arvif->vdev_subtype, vif->addr); @@ -2912,6 +2961,12 @@ err_vdev_delete: list_del(&arvif->list); err: + if (arvif->beacon_buf) { + dma_free_coherent(ar->dev, IEEE80211_MAX_FRAME_LEN, + arvif->beacon_buf, arvif->beacon_paddr); + arvif->beacon_buf = NULL; + } + mutex_unlock(&ar->conf_mutex); return ret; @@ -2929,14 +2984,7 @@ static void ath10k_remove_interface(struct ieee80211_hw *hw, cancel_work_sync(&arvif->wep_key_work); spin_lock_bh(&ar->data_lock); - if (arvif->beacon) { - dma_unmap_single(arvif->ar->dev, - ATH10K_SKB_CB(arvif->beacon)->paddr, - arvif->beacon->len, DMA_TO_DEVICE); - dev_kfree_skb_any(arvif->beacon); - arvif->beacon = NULL; - } - + ath10k_mac_vif_beacon_cleanup(arvif); spin_unlock_bh(&ar->data_lock); ret = ath10k_spectral_vif_stop(arvif); diff --git a/drivers/net/wireless/ath/ath10k/mac.h b/drivers/net/wireless/ath/ath10k/mac.h index 6c80eeada3e2..965c51117499 100644 --- a/drivers/net/wireless/ath/ath10k/mac.h +++ b/drivers/net/wireless/ath/ath10k/mac.h @@ -39,6 +39,7 @@ void ath10k_offchan_tx_work(struct work_struct *work); void ath10k_mgmt_over_wmi_tx_purge(struct ath10k *ar); void ath10k_mgmt_over_wmi_tx_work(struct work_struct *work); void ath10k_halt(struct ath10k *ar); +void ath10k_mac_vif_beacon_free(struct ath10k_vif *arvif); static inline struct ath10k_vif *ath10k_vif_to_arvif(struct ieee80211_vif *vif) { diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index 2c42bd504b79..66392f6f1ab1 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -1579,6 +1579,7 @@ static void ath10k_wmi_event_host_swba(struct ath10k *ar, struct sk_buff *skb) struct wmi_bcn_info *bcn_info; struct ath10k_vif *arvif; struct sk_buff *bcn; + dma_addr_t paddr; int ret, vdev_id = 0; ev = (struct wmi_host_swba_event *)skb->data; @@ -1647,22 +1648,29 @@ static void ath10k_wmi_event_host_swba(struct ath10k *ar, struct sk_buff *skb) ath10k_warn(ar, "SWBA overrun on vdev %d\n", arvif->vdev_id); - dma_unmap_single(arvif->ar->dev, - ATH10K_SKB_CB(arvif->beacon)->paddr, - arvif->beacon->len, DMA_TO_DEVICE); - dev_kfree_skb_any(arvif->beacon); - arvif->beacon = NULL; + ath10k_mac_vif_beacon_free(arvif); } - ATH10K_SKB_CB(bcn)->paddr = dma_map_single(arvif->ar->dev, - bcn->data, bcn->len, - DMA_TO_DEVICE); - ret = dma_mapping_error(arvif->ar->dev, - ATH10K_SKB_CB(bcn)->paddr); - if (ret) { - ath10k_warn(ar, "failed to map beacon: %d\n", ret); - dev_kfree_skb_any(bcn); - goto skip; + if (!arvif->beacon_buf) { + paddr = dma_map_single(arvif->ar->dev, bcn->data, + bcn->len, DMA_TO_DEVICE); + ret = dma_mapping_error(arvif->ar->dev, paddr); + if (ret) { + ath10k_warn(ar, "failed to map beacon: %d\n", + ret); + dev_kfree_skb_any(bcn); + goto skip; + } + + ATH10K_SKB_CB(bcn)->paddr = paddr; + } else { + if (bcn->len > IEEE80211_MAX_FRAME_LEN) { + ath10k_warn(ar, "trimming beacon %d -> %d bytes!\n", + bcn->len, IEEE80211_MAX_FRAME_LEN); + skb_trim(bcn, IEEE80211_MAX_FRAME_LEN); + } + memcpy(arvif->beacon_buf, bcn->data, bcn->len); + ATH10K_SKB_CB(bcn)->paddr = arvif->beacon_paddr; } arvif->beacon = bcn; From fdb959c7e408b6b435c999e2fc7d8133fa95863d Mon Sep 17 00:00:00 2001 From: Michal Kazior Date: Thu, 18 Sep 2014 15:21:19 +0200 Subject: [PATCH 02/45] ath10k: fix tx/rx chainmask init Firmware reports the number of RF chains so use that for initialization of supp_{tx,rx}_chainmask instead of using a macro for 3x3 chips. This should make tx/rx chainmask reports correct for chips other than 3x3. Signed-off-by: Michal Kazior Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/mac.c | 9 --------- drivers/net/wireless/ath/ath10k/wmi.c | 6 ++++++ 2 files changed, 6 insertions(+), 9 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index fe00a71a4dba..d3e450261577 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -4848,15 +4848,6 @@ int ath10k_mac_register(struct ath10k *ar) BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP); - if (test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) { - /* TODO: Have to deal with 2x2 chips if/when the come out. */ - ar->supp_tx_chainmask = TARGET_10X_TX_CHAIN_MASK; - ar->supp_rx_chainmask = TARGET_10X_RX_CHAIN_MASK; - } else { - ar->supp_tx_chainmask = TARGET_TX_CHAIN_MASK; - ar->supp_rx_chainmask = TARGET_RX_CHAIN_MASK; - } - ar->hw->wiphy->available_antennas_rx = ar->supp_rx_chainmask; ar->hw->wiphy->available_antennas_tx = ar->supp_tx_chainmask; diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index 66392f6f1ab1..74e258517035 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -2206,6 +2206,9 @@ static void ath10k_wmi_service_ready_event_rx(struct ath10k *ar, ar->num_rf_chains = WMI_MAX_SPATIAL_STREAM; } + ar->supp_tx_chainmask = (1 << ar->num_rf_chains) - 1; + ar->supp_rx_chainmask = (1 << ar->num_rf_chains) - 1; + ar->ath_common.regulatory.current_rd = __le32_to_cpu(ev->hal_reg_capabilities.eeprom_rd); @@ -2276,6 +2279,9 @@ static void ath10k_wmi_10x_service_ready_event_rx(struct ath10k *ar, ar->num_rf_chains = WMI_MAX_SPATIAL_STREAM; } + ar->supp_tx_chainmask = (1 << ar->num_rf_chains) - 1; + ar->supp_rx_chainmask = (1 << ar->num_rf_chains) - 1; + ar->ath_common.regulatory.current_rd = __le32_to_cpu(ev->hal_reg_capabilities.eeprom_rd); From 1435c2bbdd913281a982f49d6a886cbfbc0a5950 Mon Sep 17 00:00:00 2001 From: Michal Kazior Date: Thu, 18 Sep 2014 15:21:20 +0200 Subject: [PATCH 03/45] ath10k: remove unused pdev_set_channel command This command is not used anymore and most firmware revisions do not seem to handle it well. Channel switching is done via vdev restarting. Signed-off-by: Michal Kazior Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/wmi.c | 36 --------------------------- drivers/net/wireless/ath/ath10k/wmi.h | 7 ------ 2 files changed, 43 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index 74e258517035..4f66a580bb3d 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -2879,42 +2879,6 @@ int ath10k_wmi_pdev_set_regdomain(struct ath10k *ar, u16 rd, u16 rd2g, ctl2g, ctl5g); } -int ath10k_wmi_pdev_set_channel(struct ath10k *ar, - const struct wmi_channel_arg *arg) -{ - struct wmi_set_channel_cmd *cmd; - struct sk_buff *skb; - u32 ch_flags = 0; - - if (arg->passive) - return -EINVAL; - - skb = ath10k_wmi_alloc_skb(ar, sizeof(*cmd)); - if (!skb) - return -ENOMEM; - - if (arg->chan_radar) - ch_flags |= WMI_CHAN_FLAG_DFS; - - cmd = (struct wmi_set_channel_cmd *)skb->data; - cmd->chan.mhz = __cpu_to_le32(arg->freq); - cmd->chan.band_center_freq1 = __cpu_to_le32(arg->freq); - cmd->chan.mode = arg->mode; - cmd->chan.flags |= __cpu_to_le32(ch_flags); - cmd->chan.min_power = arg->min_power; - cmd->chan.max_power = arg->max_power; - cmd->chan.reg_power = arg->max_reg_power; - cmd->chan.reg_classid = arg->reg_class_id; - cmd->chan.antenna_max = arg->max_antenna_gain; - - ath10k_dbg(ar, ATH10K_DBG_WMI, - "wmi set channel mode %d freq %d\n", - arg->mode, arg->freq); - - return ath10k_wmi_cmd_send(ar, skb, - ar->wmi.cmd->pdev_set_channel_cmdid); -} - int ath10k_wmi_pdev_suspend_target(struct ath10k *ar, u32 suspend_opt) { struct wmi_pdev_suspend_cmd *cmd; diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h index 86f5ebccfe79..b8098d240620 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.h +++ b/drivers/net/wireless/ath/ath10k/wmi.h @@ -2908,11 +2908,6 @@ enum wmi_tp_scale { WMI_TP_SCALE_SIZE = 5, /* max num of enum */ }; -struct wmi_set_channel_cmd { - /* channel (only frequency and mode info are used) */ - struct wmi_channel chan; -} __packed; - struct wmi_pdev_chanlist_update_event { /* number of channels */ __le32 num_chan; @@ -4732,8 +4727,6 @@ int ath10k_wmi_connect(struct ath10k *ar); struct sk_buff *ath10k_wmi_alloc_skb(struct ath10k *ar, u32 len); int ath10k_wmi_cmd_send(struct ath10k *ar, struct sk_buff *skb, u32 cmd_id); -int ath10k_wmi_pdev_set_channel(struct ath10k *ar, - const struct wmi_channel_arg *); int ath10k_wmi_pdev_suspend_target(struct ath10k *ar, u32 suspend_opt); int ath10k_wmi_pdev_resume_target(struct ath10k *ar); int ath10k_wmi_pdev_set_regdomain(struct ath10k *ar, u16 rd, u16 rd2g, From 2d66721c7bb1a6888eb17dd29758daf642df0b82 Mon Sep 17 00:00:00 2001 From: Michal Kazior Date: Thu, 18 Sep 2014 15:21:21 +0200 Subject: [PATCH 04/45] ath10k: deduplicate wmi_channel code The structure is being set up in 2 places. Deduplicate the code by creating a helper. Signed-off-by: Michal Kazior Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/mac.c | 1 + drivers/net/wireless/ath/ath10k/wmi.c | 77 +++++++++++++-------------- 2 files changed, 37 insertions(+), 41 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index d3e450261577..51b16e1ad677 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -1755,6 +1755,7 @@ static int ath10k_update_channel_list(struct ath10k *ar) ch->passive = passive; ch->freq = channel->center_freq; + ch->band_center_freq1 = channel->center_freq; ch->min_power = 0; ch->max_power = channel->max_power * 2; ch->max_reg_power = channel->max_reg_power * 2; diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index 4f66a580bb3d..34c214b73f99 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -609,6 +609,40 @@ static struct wmi_cmd_map wmi_10_2_cmd_map = { .gpio_output_cmdid = WMI_10_2_GPIO_OUTPUT_CMDID, }; +static void +ath10k_wmi_put_wmi_channel(struct wmi_channel *ch, + const struct wmi_channel_arg *arg) +{ + u32 flags = 0; + + memset(ch, 0, sizeof(*ch)); + + if (arg->passive) + flags |= WMI_CHAN_FLAG_PASSIVE; + if (arg->allow_ibss) + flags |= WMI_CHAN_FLAG_ADHOC_ALLOWED; + if (arg->allow_ht) + flags |= WMI_CHAN_FLAG_ALLOW_HT; + if (arg->allow_vht) + flags |= WMI_CHAN_FLAG_ALLOW_VHT; + if (arg->ht40plus) + flags |= WMI_CHAN_FLAG_HT40_PLUS; + if (arg->chan_radar) + flags |= WMI_CHAN_FLAG_DFS; + + ch->mhz = __cpu_to_le32(arg->freq); + ch->band_center_freq1 = __cpu_to_le32(arg->band_center_freq1); + ch->band_center_freq2 = 0; + ch->min_power = arg->min_power; + ch->max_power = arg->max_power; + ch->reg_power = arg->max_reg_power; + ch->antenna_max = arg->max_antenna_gain; + + /* mode & flags share storage */ + ch->mode = arg->mode; + ch->flags |= __cpu_to_le32(flags); +} + int ath10k_wmi_wait_for_service_ready(struct ath10k *ar) { int ret; @@ -3510,7 +3544,6 @@ ath10k_wmi_vdev_start_restart(struct ath10k *ar, struct sk_buff *skb; const char *cmdname; u32 flags = 0; - u32 ch_flags = 0; if (cmd_id != ar->wmi.cmd->vdev_start_request_cmdid && cmd_id != ar->wmi.cmd->vdev_restart_request_cmdid) @@ -3537,8 +3570,6 @@ ath10k_wmi_vdev_start_restart(struct ath10k *ar, flags |= WMI_VDEV_START_HIDDEN_SSID; if (arg->pmf_enabled) flags |= WMI_VDEV_START_PMF_ENABLED; - if (arg->channel.chan_radar) - ch_flags |= WMI_CHAN_FLAG_DFS; cmd = (struct wmi_vdev_start_request_cmd *)skb->data; cmd->vdev_id = __cpu_to_le32(arg->vdev_id); @@ -3554,18 +3585,7 @@ ath10k_wmi_vdev_start_restart(struct ath10k *ar, memcpy(cmd->ssid.ssid, arg->ssid, arg->ssid_len); } - cmd->chan.mhz = __cpu_to_le32(arg->channel.freq); - - cmd->chan.band_center_freq1 = - __cpu_to_le32(arg->channel.band_center_freq1); - - cmd->chan.mode = arg->channel.mode; - cmd->chan.flags |= __cpu_to_le32(ch_flags); - cmd->chan.min_power = arg->channel.min_power; - cmd->chan.max_power = arg->channel.max_power; - cmd->chan.reg_power = arg->channel.max_reg_power; - cmd->chan.reg_classid = arg->channel.reg_class_id; - cmd->chan.antenna_max = arg->channel.max_antenna_gain; + ath10k_wmi_put_wmi_channel(&cmd->chan, &arg->channel); ath10k_dbg(ar, ATH10K_DBG_WMI, "wmi vdev %s id 0x%x flags: 0x%0X, freq %d, mode %d, ch_flags: 0x%0X, max_power: %d\n", @@ -3946,35 +3966,10 @@ int ath10k_wmi_scan_chan_list(struct ath10k *ar, cmd->num_scan_chans = __cpu_to_le32(arg->n_channels); for (i = 0; i < arg->n_channels; i++) { - u32 flags = 0; - ch = &arg->channels[i]; ci = &cmd->chan_info[i]; - if (ch->passive) - flags |= WMI_CHAN_FLAG_PASSIVE; - if (ch->allow_ibss) - flags |= WMI_CHAN_FLAG_ADHOC_ALLOWED; - if (ch->allow_ht) - flags |= WMI_CHAN_FLAG_ALLOW_HT; - if (ch->allow_vht) - flags |= WMI_CHAN_FLAG_ALLOW_VHT; - if (ch->ht40plus) - flags |= WMI_CHAN_FLAG_HT40_PLUS; - if (ch->chan_radar) - flags |= WMI_CHAN_FLAG_DFS; - - ci->mhz = __cpu_to_le32(ch->freq); - ci->band_center_freq1 = __cpu_to_le32(ch->freq); - ci->band_center_freq2 = 0; - ci->min_power = ch->min_power; - ci->max_power = ch->max_power; - ci->reg_power = ch->max_reg_power; - ci->antenna_max = ch->max_antenna_gain; - - /* mode & flags share storage */ - ci->mode = ch->mode; - ci->flags |= __cpu_to_le32(flags); + ath10k_wmi_put_wmi_channel(ci, ch); } return ath10k_wmi_cmd_send(ar, skb, ar->wmi.cmd->scan_chan_list_cmdid); From cf9fca8f890e04a745fc9997ed75bcf0ed13b12b Mon Sep 17 00:00:00 2001 From: Michal Kazior Date: Thu, 18 Sep 2014 15:21:22 +0200 Subject: [PATCH 05/45] ath10k: deduplicate host mem chunk code Simplify the code by deduplicating structure definitions and code. Signed-off-by: Michal Kazior Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/wmi.c | 103 +++++++------------------- drivers/net/wireless/ath/ath10k/wmi.h | 30 +++----- 2 files changed, 34 insertions(+), 99 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index 34c214b73f99..e796305ad5e1 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -2963,13 +2963,34 @@ int ath10k_wmi_pdev_set_param(struct ath10k *ar, u32 id, u32 value) return ath10k_wmi_cmd_send(ar, skb, ar->wmi.cmd->pdev_set_param_cmdid); } +static void ath10k_wmi_put_host_mem_chunks(struct ath10k *ar, + struct wmi_host_mem_chunks *chunks) +{ + struct host_memory_chunk *chunk; + int i; + + chunks->count = __cpu_to_le32(ar->wmi.num_mem_chunks); + + for (i = 0; i < ar->wmi.num_mem_chunks; i++) { + chunk = &chunks->items[i]; + chunk->ptr = __cpu_to_le32(ar->wmi.mem_chunks[i].paddr); + chunk->size = __cpu_to_le32(ar->wmi.mem_chunks[i].len); + chunk->req_id = __cpu_to_le32(ar->wmi.mem_chunks[i].req_id); + + ath10k_dbg(ar, ATH10K_DBG_WMI, + "wmi chunk %d len %d requested, addr 0x%llx\n", + i, + ar->wmi.mem_chunks[i].len, + (unsigned long long)ar->wmi.mem_chunks[i].paddr); + } +} + static int ath10k_wmi_main_cmd_init(struct ath10k *ar) { struct wmi_init_cmd *cmd; struct sk_buff *buf; struct wmi_resource_config config = {}; u32 len, val; - int i; config.num_vdevs = __cpu_to_le32(TARGET_NUM_VDEVS); config.num_peers = __cpu_to_le32(TARGET_NUM_PEERS + TARGET_NUM_VDEVS); @@ -3031,32 +3052,8 @@ static int ath10k_wmi_main_cmd_init(struct ath10k *ar) cmd = (struct wmi_init_cmd *)buf->data; - if (ar->wmi.num_mem_chunks == 0) { - cmd->num_host_mem_chunks = 0; - goto out; - } - - ath10k_dbg(ar, ATH10K_DBG_WMI, "wmi sending %d memory chunks info.\n", - ar->wmi.num_mem_chunks); - - cmd->num_host_mem_chunks = __cpu_to_le32(ar->wmi.num_mem_chunks); - - for (i = 0; i < ar->wmi.num_mem_chunks; i++) { - cmd->host_mem_chunks[i].ptr = - __cpu_to_le32(ar->wmi.mem_chunks[i].paddr); - cmd->host_mem_chunks[i].size = - __cpu_to_le32(ar->wmi.mem_chunks[i].len); - cmd->host_mem_chunks[i].req_id = - __cpu_to_le32(ar->wmi.mem_chunks[i].req_id); - - ath10k_dbg(ar, ATH10K_DBG_WMI, - "wmi chunk %d len %d requested, addr 0x%llx\n", - i, - ar->wmi.mem_chunks[i].len, - (unsigned long long)ar->wmi.mem_chunks[i].paddr); - } -out: memcpy(&cmd->resource_config, &config, sizeof(config)); + ath10k_wmi_put_host_mem_chunks(ar, &cmd->mem_chunks); ath10k_dbg(ar, ATH10K_DBG_WMI, "wmi init\n"); return ath10k_wmi_cmd_send(ar, buf, ar->wmi.cmd->init_cmdid); @@ -3068,7 +3065,6 @@ static int ath10k_wmi_10x_cmd_init(struct ath10k *ar) struct sk_buff *buf; struct wmi_resource_config_10x config = {}; u32 len, val; - int i; config.num_vdevs = __cpu_to_le32(TARGET_10X_NUM_VDEVS); config.num_peers = __cpu_to_le32(TARGET_10X_NUM_PEERS); @@ -3122,32 +3118,8 @@ static int ath10k_wmi_10x_cmd_init(struct ath10k *ar) cmd = (struct wmi_init_cmd_10x *)buf->data; - if (ar->wmi.num_mem_chunks == 0) { - cmd->num_host_mem_chunks = 0; - goto out; - } - - ath10k_dbg(ar, ATH10K_DBG_WMI, "wmi sending %d memory chunks info.\n", - ar->wmi.num_mem_chunks); - - cmd->num_host_mem_chunks = __cpu_to_le32(ar->wmi.num_mem_chunks); - - for (i = 0; i < ar->wmi.num_mem_chunks; i++) { - cmd->host_mem_chunks[i].ptr = - __cpu_to_le32(ar->wmi.mem_chunks[i].paddr); - cmd->host_mem_chunks[i].size = - __cpu_to_le32(ar->wmi.mem_chunks[i].len); - cmd->host_mem_chunks[i].req_id = - __cpu_to_le32(ar->wmi.mem_chunks[i].req_id); - - ath10k_dbg(ar, ATH10K_DBG_WMI, - "wmi chunk %d len %d requested, addr 0x%llx\n", - i, - ar->wmi.mem_chunks[i].len, - (unsigned long long)ar->wmi.mem_chunks[i].paddr); - } -out: memcpy(&cmd->resource_config, &config, sizeof(config)); + ath10k_wmi_put_host_mem_chunks(ar, &cmd->mem_chunks); ath10k_dbg(ar, ATH10K_DBG_WMI, "wmi init 10x\n"); return ath10k_wmi_cmd_send(ar, buf, ar->wmi.cmd->init_cmdid); @@ -3159,7 +3131,6 @@ static int ath10k_wmi_10_2_cmd_init(struct ath10k *ar) struct sk_buff *buf; struct wmi_resource_config_10x config = {}; u32 len, val; - int i; config.num_vdevs = __cpu_to_le32(TARGET_10X_NUM_VDEVS); config.num_peers = __cpu_to_le32(TARGET_10X_NUM_PEERS); @@ -3213,32 +3184,8 @@ static int ath10k_wmi_10_2_cmd_init(struct ath10k *ar) cmd = (struct wmi_init_cmd_10_2 *)buf->data; - if (ar->wmi.num_mem_chunks == 0) { - cmd->num_host_mem_chunks = 0; - goto out; - } - - ath10k_dbg(ar, ATH10K_DBG_WMI, "wmi sending %d memory chunks info.\n", - ar->wmi.num_mem_chunks); - - cmd->num_host_mem_chunks = __cpu_to_le32(ar->wmi.num_mem_chunks); - - for (i = 0; i < ar->wmi.num_mem_chunks; i++) { - cmd->host_mem_chunks[i].ptr = - __cpu_to_le32(ar->wmi.mem_chunks[i].paddr); - cmd->host_mem_chunks[i].size = - __cpu_to_le32(ar->wmi.mem_chunks[i].len); - cmd->host_mem_chunks[i].req_id = - __cpu_to_le32(ar->wmi.mem_chunks[i].req_id); - - ath10k_dbg(ar, ATH10K_DBG_WMI, - "wmi chunk %d len %d requested, addr 0x%llx\n", - i, - ar->wmi.mem_chunks[i].len, - (unsigned long long)ar->wmi.mem_chunks[i].paddr); - } -out: memcpy(&cmd->resource_config.common, &config, sizeof(config)); + ath10k_wmi_put_host_mem_chunks(ar, &cmd->mem_chunks); ath10k_dbg(ar, ATH10K_DBG_WMI, "wmi init 10.2\n"); return ath10k_wmi_cmd_send(ar, buf, ar->wmi.cmd->init_cmdid); diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h index b8098d240620..fc8bc9dd3629 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.h +++ b/drivers/net/wireless/ath/ath10k/wmi.h @@ -1883,38 +1883,26 @@ struct host_memory_chunk { __le32 size; } __packed; +struct wmi_host_mem_chunks { + __le32 count; + /* some fw revisions require at least 1 chunk regardless of count */ + struct host_memory_chunk items[1]; +} __packed; + struct wmi_init_cmd { struct wmi_resource_config resource_config; - __le32 num_host_mem_chunks; - - /* - * variable number of host memory chunks. - * This should be the last element in the structure - */ - struct host_memory_chunk host_mem_chunks[1]; + struct wmi_host_mem_chunks mem_chunks; } __packed; /* _10x stucture is from 10.X FW API */ struct wmi_init_cmd_10x { struct wmi_resource_config_10x resource_config; - __le32 num_host_mem_chunks; - - /* - * variable number of host memory chunks. - * This should be the last element in the structure - */ - struct host_memory_chunk host_mem_chunks[1]; + struct wmi_host_mem_chunks mem_chunks; } __packed; struct wmi_init_cmd_10_2 { struct wmi_resource_config_10_2 resource_config; - __le32 num_host_mem_chunks; - - /* - * variable number of host memory chunks. - * This should be the last element in the structure - */ - struct host_memory_chunk host_mem_chunks[1]; + struct wmi_host_mem_chunks mem_chunks; } __packed; struct wmi_chan_list_entry { From b79b9baac4f9ecec85353b76a45ae2eda4a1e41d Mon Sep 17 00:00:00 2001 From: Michal Kazior Date: Thu, 18 Sep 2014 15:21:23 +0200 Subject: [PATCH 06/45] ath10k: relocate wmi attach/deatch functions Init functions should be placed at the end of files in most cases to avoid forward declarations for static functions. Signed-off-by: Michal Kazior Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/wmi.c | 77 +++++++++++++-------------- 1 file changed, 38 insertions(+), 39 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index e796305ad5e1..cec0c2839e5b 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -2780,45 +2780,6 @@ static void ath10k_wmi_process_rx(struct ath10k *ar, struct sk_buff *skb) } } -/* WMI Initialization functions */ -int ath10k_wmi_attach(struct ath10k *ar) -{ - if (test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) { - if (test_bit(ATH10K_FW_FEATURE_WMI_10_2, ar->fw_features)) - ar->wmi.cmd = &wmi_10_2_cmd_map; - else - ar->wmi.cmd = &wmi_10x_cmd_map; - - ar->wmi.vdev_param = &wmi_10x_vdev_param_map; - ar->wmi.pdev_param = &wmi_10x_pdev_param_map; - } else { - ar->wmi.cmd = &wmi_cmd_map; - ar->wmi.vdev_param = &wmi_vdev_param_map; - ar->wmi.pdev_param = &wmi_pdev_param_map; - } - - init_completion(&ar->wmi.service_ready); - init_completion(&ar->wmi.unified_ready); - init_waitqueue_head(&ar->wmi.tx_credits_wq); - - return 0; -} - -void ath10k_wmi_detach(struct ath10k *ar) -{ - int i; - - /* free the host memory chunks requested by firmware */ - for (i = 0; i < ar->wmi.num_mem_chunks; i++) { - dma_free_coherent(ar->dev, - ar->wmi.mem_chunks[i].len, - ar->wmi.mem_chunks[i].vaddr, - ar->wmi.mem_chunks[i].paddr); - } - - ar->wmi.num_mem_chunks = 0; -} - int ath10k_wmi_connect(struct ath10k *ar) { int status; @@ -4187,3 +4148,41 @@ int ath10k_wmi_dbglog_cfg(struct ath10k *ar, u32 module_enable) return ath10k_wmi_cmd_send(ar, skb, ar->wmi.cmd->dbglog_cfg_cmdid); } + +int ath10k_wmi_attach(struct ath10k *ar) +{ + if (test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) { + if (test_bit(ATH10K_FW_FEATURE_WMI_10_2, ar->fw_features)) + ar->wmi.cmd = &wmi_10_2_cmd_map; + else + ar->wmi.cmd = &wmi_10x_cmd_map; + + ar->wmi.vdev_param = &wmi_10x_vdev_param_map; + ar->wmi.pdev_param = &wmi_10x_pdev_param_map; + } else { + ar->wmi.cmd = &wmi_cmd_map; + ar->wmi.vdev_param = &wmi_vdev_param_map; + ar->wmi.pdev_param = &wmi_pdev_param_map; + } + + init_completion(&ar->wmi.service_ready); + init_completion(&ar->wmi.unified_ready); + init_waitqueue_head(&ar->wmi.tx_credits_wq); + + return 0; +} + +void ath10k_wmi_detach(struct ath10k *ar) +{ + int i; + + /* free the host memory chunks requested by firmware */ + for (i = 0; i < ar->wmi.num_mem_chunks; i++) { + dma_free_coherent(ar->dev, + ar->wmi.mem_chunks[i].len, + ar->wmi.mem_chunks[i].vaddr, + ar->wmi.mem_chunks[i].paddr); + } + + ar->wmi.num_mem_chunks = 0; +} From 5c01aa3de918c0afc1b338df6d7162d461ad3a55 Mon Sep 17 00:00:00 2001 From: Michal Kazior Date: Thu, 18 Sep 2014 15:21:24 +0200 Subject: [PATCH 07/45] ath10k: deduplicate wmi service ready logic The logic responsible for processing the event is no different across different firmware binaries. The difference that needs to be dealt with is the ABI of data structures. The intermediate structure uses __le32 to avoid extra memory allocations to byteswap variable-length substructures (i.e. host mem chunks). Signed-off-by: Michal Kazior Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/core.h | 4 +- drivers/net/wireless/ath/ath10k/debug.c | 2 +- drivers/net/wireless/ath/ath10k/debug.h | 4 +- drivers/net/wireless/ath/ath10k/wmi.c | 237 ++++++++++++------------ drivers/net/wireless/ath/ath10k/wmi.h | 23 ++- 5 files changed, 141 insertions(+), 129 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h index d1ea936d14b7..8a997b6e11c3 100644 --- a/drivers/net/wireless/ath/ath10k/core.h +++ b/drivers/net/wireless/ath/ath10k/core.h @@ -96,8 +96,6 @@ struct ath10k_bmi { bool done_sent; }; -#define ATH10K_MAX_MEM_REQS 16 - struct ath10k_mem_chunk { void *vaddr; dma_addr_t paddr; @@ -115,7 +113,7 @@ struct ath10k_wmi { struct wmi_pdev_param_map *pdev_param; u32 num_mem_chunks; - struct ath10k_mem_chunk mem_chunks[ATH10K_MAX_MEM_REQS]; + struct ath10k_mem_chunk mem_chunks[WMI_MAX_MEM_REQS]; }; struct ath10k_peer_stat { diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c index 3756feba3223..101c6f9cf2a8 100644 --- a/drivers/net/wireless/ath/ath10k/debug.c +++ b/drivers/net/wireless/ath/ath10k/debug.c @@ -182,7 +182,7 @@ EXPORT_SYMBOL(ath10k_warn); #ifdef CONFIG_ATH10K_DEBUGFS void ath10k_debug_read_service_map(struct ath10k *ar, - void *service_map, + const void *service_map, size_t map_size) { memcpy(ar->debug.wmi_service_bitmap, service_map, map_size); diff --git a/drivers/net/wireless/ath/ath10k/debug.h b/drivers/net/wireless/ath/ath10k/debug.h index b3774f7f492c..d6276fea1adf 100644 --- a/drivers/net/wireless/ath/ath10k/debug.h +++ b/drivers/net/wireless/ath/ath10k/debug.h @@ -53,7 +53,7 @@ void ath10k_debug_destroy(struct ath10k *ar); int ath10k_debug_register(struct ath10k *ar); void ath10k_debug_unregister(struct ath10k *ar); void ath10k_debug_read_service_map(struct ath10k *ar, - void *service_map, + const void *service_map, size_t map_size); void ath10k_debug_read_target_stats(struct ath10k *ar, struct wmi_stats_event *ev); @@ -93,7 +93,7 @@ static inline void ath10k_debug_unregister(struct ath10k *ar) } static inline void ath10k_debug_read_service_map(struct ath10k *ar, - void *service_map, + const void *service_map, size_t map_size) { } diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index cec0c2839e5b..a7c11b292bf4 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -2205,30 +2205,113 @@ static int ath10k_wmi_alloc_host_mem(struct ath10k *ar, u32 req_id, return 0; } +static int ath10k_wmi_main_pull_svc_rdy_ev(struct sk_buff *skb, + struct wmi_svc_rdy_ev_arg *arg) +{ + struct wmi_service_ready_event *ev; + size_t i, n; + + if (skb->len < sizeof(*ev)) + return -EPROTO; + + ev = (void *)skb->data; + skb_pull(skb, sizeof(*ev)); + arg->min_tx_power = ev->hw_min_tx_power; + arg->max_tx_power = ev->hw_max_tx_power; + arg->ht_cap = ev->ht_cap_info; + arg->vht_cap = ev->vht_cap_info; + arg->sw_ver0 = ev->sw_version; + arg->sw_ver1 = ev->sw_version_1; + arg->phy_capab = ev->phy_capability; + arg->num_rf_chains = ev->num_rf_chains; + arg->eeprom_rd = ev->hal_reg_capabilities.eeprom_rd; + arg->num_mem_reqs = ev->num_mem_reqs; + arg->service_map = ev->wmi_service_bitmap; + + n = min_t(size_t, __le32_to_cpu(arg->num_mem_reqs), + ARRAY_SIZE(arg->mem_reqs)); + for (i = 0; i < n; i++) + arg->mem_reqs[i] = &ev->mem_reqs[i]; + + if (skb->len < + __le32_to_cpu(arg->num_mem_reqs) * sizeof(arg->mem_reqs[0])) + return -EPROTO; + + return 0; +} + +static int ath10k_wmi_10x_pull_svc_rdy_ev(struct sk_buff *skb, + struct wmi_svc_rdy_ev_arg *arg) +{ + struct wmi_10x_service_ready_event *ev; + int i, n; + + if (skb->len < sizeof(*ev)) + return -EPROTO; + + ev = (void *)skb->data; + skb_pull(skb, sizeof(*ev)); + arg->min_tx_power = ev->hw_min_tx_power; + arg->max_tx_power = ev->hw_max_tx_power; + arg->ht_cap = ev->ht_cap_info; + arg->vht_cap = ev->vht_cap_info; + arg->sw_ver0 = ev->sw_version; + arg->phy_capab = ev->phy_capability; + arg->num_rf_chains = ev->num_rf_chains; + arg->eeprom_rd = ev->hal_reg_capabilities.eeprom_rd; + arg->num_mem_reqs = ev->num_mem_reqs; + arg->service_map = ev->wmi_service_bitmap; + + n = min_t(size_t, __le32_to_cpu(arg->num_mem_reqs), + ARRAY_SIZE(arg->mem_reqs)); + for (i = 0; i < n; i++) + arg->mem_reqs[i] = &ev->mem_reqs[i]; + + if (skb->len < + __le32_to_cpu(arg->num_mem_reqs) * sizeof(arg->mem_reqs[0])) + return -EPROTO; + + return 0; +} + static void ath10k_wmi_service_ready_event_rx(struct ath10k *ar, struct sk_buff *skb) { - struct wmi_service_ready_event *ev = (void *)skb->data; + struct wmi_svc_rdy_ev_arg arg = {}; + u32 num_units, req_id, unit_size, num_mem_reqs, num_unit_info, i; DECLARE_BITMAP(svc_bmap, WMI_SERVICE_MAX) = {}; + int ret; - if (skb->len < sizeof(*ev)) { - ath10k_warn(ar, "Service ready event was %d B but expected %zu B. Wrong firmware version?\n", - skb->len, sizeof(*ev)); + if (test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) { + ret = ath10k_wmi_10x_pull_svc_rdy_ev(skb, &arg); + wmi_10x_svc_map(arg.service_map, svc_bmap); + } else { + ret = ath10k_wmi_main_pull_svc_rdy_ev(skb, &arg); + wmi_main_svc_map(arg.service_map, svc_bmap); + } + + if (ret) { + ath10k_warn(ar, "failed to parse service ready: %d\n", ret); return; } - ar->hw_min_tx_power = __le32_to_cpu(ev->hw_min_tx_power); - ar->hw_max_tx_power = __le32_to_cpu(ev->hw_max_tx_power); - ar->ht_cap_info = __le32_to_cpu(ev->ht_cap_info); - ar->vht_cap_info = __le32_to_cpu(ev->vht_cap_info); + ar->hw_min_tx_power = __le32_to_cpu(arg.min_tx_power); + ar->hw_max_tx_power = __le32_to_cpu(arg.max_tx_power); + ar->ht_cap_info = __le32_to_cpu(arg.ht_cap); + ar->vht_cap_info = __le32_to_cpu(arg.vht_cap); ar->fw_version_major = - (__le32_to_cpu(ev->sw_version) & 0xff000000) >> 24; - ar->fw_version_minor = (__le32_to_cpu(ev->sw_version) & 0x00ffffff); + (__le32_to_cpu(arg.sw_ver0) & 0xff000000) >> 24; + ar->fw_version_minor = (__le32_to_cpu(arg.sw_ver0) & 0x00ffffff); ar->fw_version_release = - (__le32_to_cpu(ev->sw_version_1) & 0xffff0000) >> 16; - ar->fw_version_build = (__le32_to_cpu(ev->sw_version_1) & 0x0000ffff); - ar->phy_capability = __le32_to_cpu(ev->phy_capability); - ar->num_rf_chains = __le32_to_cpu(ev->num_rf_chains); + (__le32_to_cpu(arg.sw_ver1) & 0xffff0000) >> 16; + ar->fw_version_build = (__le32_to_cpu(arg.sw_ver1) & 0x0000ffff); + ar->phy_capability = __le32_to_cpu(arg.phy_capab); + ar->num_rf_chains = __le32_to_cpu(arg.num_rf_chains); + ar->ath_common.regulatory.current_rd = __le32_to_cpu(arg.eeprom_rd); + + ath10k_debug_read_service_map(ar, svc_bmap, sizeof(svc_bmap)); + ath10k_dbg_dump(ar, ATH10K_DBG_WMI, NULL, "wmi svc: ", + arg.service_map, sizeof(arg.service_map)); /* only manually set fw features when not using FW IE format */ if (ar->fw_api == 1 && ar->fw_version_build > 636) @@ -2243,14 +2326,6 @@ static void ath10k_wmi_service_ready_event_rx(struct ath10k *ar, ar->supp_tx_chainmask = (1 << ar->num_rf_chains) - 1; ar->supp_rx_chainmask = (1 << ar->num_rf_chains) - 1; - ar->ath_common.regulatory.current_rd = - __le32_to_cpu(ev->hal_reg_capabilities.eeprom_rd); - - wmi_main_svc_map(ev->wmi_service_bitmap, svc_bmap); - ath10k_debug_read_service_map(ar, svc_bmap, sizeof(svc_bmap)); - ath10k_dbg_dump(ar, ATH10K_DBG_WMI, NULL, "wmi svc: ", - ev->wmi_service_bitmap, sizeof(ev->wmi_service_bitmap)); - if (strlen(ar->hw->wiphy->fw_version) == 0) { snprintf(ar->hw->wiphy->fw_version, sizeof(ar->hw->wiphy->fw_version), @@ -2261,96 +2336,18 @@ static void ath10k_wmi_service_ready_event_rx(struct ath10k *ar, ar->fw_version_build); } - /* FIXME: it probably should be better to support this */ - if (__le32_to_cpu(ev->num_mem_reqs) > 0) { - ath10k_warn(ar, "target requested %d memory chunks; ignoring\n", - __le32_to_cpu(ev->num_mem_reqs)); - } - - ath10k_dbg(ar, ATH10K_DBG_WMI, - "wmi event service ready sw_ver 0x%08x sw_ver1 0x%08x abi_ver %u phy_cap 0x%08x ht_cap 0x%08x vht_cap 0x%08x vht_supp_msc 0x%08x sys_cap_info 0x%08x mem_reqs %u num_rf_chains %u\n", - __le32_to_cpu(ev->sw_version), - __le32_to_cpu(ev->sw_version_1), - __le32_to_cpu(ev->abi_version), - __le32_to_cpu(ev->phy_capability), - __le32_to_cpu(ev->ht_cap_info), - __le32_to_cpu(ev->vht_cap_info), - __le32_to_cpu(ev->vht_supp_mcs), - __le32_to_cpu(ev->sys_cap_info), - __le32_to_cpu(ev->num_mem_reqs), - __le32_to_cpu(ev->num_rf_chains)); - - complete(&ar->wmi.service_ready); -} - -static void ath10k_wmi_10x_service_ready_event_rx(struct ath10k *ar, - struct sk_buff *skb) -{ - u32 num_units, req_id, unit_size, num_mem_reqs, num_unit_info, i; - int ret; - struct wmi_service_ready_event_10x *ev = (void *)skb->data; - DECLARE_BITMAP(svc_bmap, WMI_SERVICE_MAX) = {}; - - if (skb->len < sizeof(*ev)) { - ath10k_warn(ar, "Service ready event was %d B but expected %zu B. Wrong firmware version?\n", - skb->len, sizeof(*ev)); - return; - } - - ar->hw_min_tx_power = __le32_to_cpu(ev->hw_min_tx_power); - ar->hw_max_tx_power = __le32_to_cpu(ev->hw_max_tx_power); - ar->ht_cap_info = __le32_to_cpu(ev->ht_cap_info); - ar->vht_cap_info = __le32_to_cpu(ev->vht_cap_info); - ar->fw_version_major = - (__le32_to_cpu(ev->sw_version) & 0xff000000) >> 24; - ar->fw_version_minor = (__le32_to_cpu(ev->sw_version) & 0x00ffffff); - ar->phy_capability = __le32_to_cpu(ev->phy_capability); - ar->num_rf_chains = __le32_to_cpu(ev->num_rf_chains); - - if (ar->num_rf_chains > WMI_MAX_SPATIAL_STREAM) { - ath10k_warn(ar, "hardware advertises support for more spatial streams than it should (%d > %d)\n", - ar->num_rf_chains, WMI_MAX_SPATIAL_STREAM); - ar->num_rf_chains = WMI_MAX_SPATIAL_STREAM; - } - - ar->supp_tx_chainmask = (1 << ar->num_rf_chains) - 1; - ar->supp_rx_chainmask = (1 << ar->num_rf_chains) - 1; - - ar->ath_common.regulatory.current_rd = - __le32_to_cpu(ev->hal_reg_capabilities.eeprom_rd); - - wmi_10x_svc_map(ev->wmi_service_bitmap, svc_bmap); - ath10k_debug_read_service_map(ar, svc_bmap, sizeof(svc_bmap)); - ath10k_dbg_dump(ar, ATH10K_DBG_WMI, NULL, "wmi svc: ", - ev->wmi_service_bitmap, sizeof(ev->wmi_service_bitmap)); - - if (strlen(ar->hw->wiphy->fw_version) == 0) { - snprintf(ar->hw->wiphy->fw_version, - sizeof(ar->hw->wiphy->fw_version), - "%u.%u", - ar->fw_version_major, - ar->fw_version_minor); - } - - num_mem_reqs = __le32_to_cpu(ev->num_mem_reqs); - - if (num_mem_reqs > ATH10K_MAX_MEM_REQS) { + num_mem_reqs = __le32_to_cpu(arg.num_mem_reqs); + if (num_mem_reqs > WMI_MAX_MEM_REQS) { ath10k_warn(ar, "requested memory chunks number (%d) exceeds the limit\n", num_mem_reqs); return; } - if (!num_mem_reqs) - goto exit; - - ath10k_dbg(ar, ATH10K_DBG_WMI, "firmware has requested %d memory chunks\n", - num_mem_reqs); - for (i = 0; i < num_mem_reqs; ++i) { - req_id = __le32_to_cpu(ev->mem_reqs[i].req_id); - num_units = __le32_to_cpu(ev->mem_reqs[i].num_units); - unit_size = __le32_to_cpu(ev->mem_reqs[i].unit_size); - num_unit_info = __le32_to_cpu(ev->mem_reqs[i].num_unit_info); + req_id = __le32_to_cpu(arg.mem_reqs[i]->req_id); + num_units = __le32_to_cpu(arg.mem_reqs[i]->num_units); + unit_size = __le32_to_cpu(arg.mem_reqs[i]->unit_size); + num_unit_info = __le32_to_cpu(arg.mem_reqs[i]->num_unit_info); if (num_unit_info & NUM_UNITS_IS_NUM_PEERS) /* number of units to allocate is number of @@ -2364,7 +2361,7 @@ static void ath10k_wmi_10x_service_ready_event_rx(struct ath10k *ar, ath10k_dbg(ar, ATH10K_DBG_WMI, "wmi mem_req_id %d num_units %d num_unit_info %d unit size %d actual units %d\n", req_id, - __le32_to_cpu(ev->mem_reqs[i].num_units), + __le32_to_cpu(arg.mem_reqs[i]->num_units), num_unit_info, unit_size, num_units); @@ -2375,18 +2372,18 @@ static void ath10k_wmi_10x_service_ready_event_rx(struct ath10k *ar, return; } -exit: ath10k_dbg(ar, ATH10K_DBG_WMI, - "wmi event service ready sw_ver 0x%08x abi_ver %u phy_cap 0x%08x ht_cap 0x%08x vht_cap 0x%08x vht_supp_msc 0x%08x sys_cap_info 0x%08x mem_reqs %u num_rf_chains %u\n", - __le32_to_cpu(ev->sw_version), - __le32_to_cpu(ev->abi_version), - __le32_to_cpu(ev->phy_capability), - __le32_to_cpu(ev->ht_cap_info), - __le32_to_cpu(ev->vht_cap_info), - __le32_to_cpu(ev->vht_supp_mcs), - __le32_to_cpu(ev->sys_cap_info), - __le32_to_cpu(ev->num_mem_reqs), - __le32_to_cpu(ev->num_rf_chains)); + "wmi event service ready min_tx_power 0x%08x max_tx_power 0x%08x ht_cap 0x%08x vht_cap 0x%08x sw_ver0 0x%08x sw_ver1 0x%08x phy_capab 0x%08x num_rf_chains 0x%08x eeprom_rd 0x%08x num_mem_reqs 0x%08x\n", + __le32_to_cpu(arg.min_tx_power), + __le32_to_cpu(arg.max_tx_power), + __le32_to_cpu(arg.ht_cap), + __le32_to_cpu(arg.vht_cap), + __le32_to_cpu(arg.sw_ver0), + __le32_to_cpu(arg.sw_ver1), + __le32_to_cpu(arg.phy_capab), + __le32_to_cpu(arg.num_rf_chains), + __le32_to_cpu(arg.eeprom_rd), + __le32_to_cpu(arg.num_mem_reqs)); complete(&ar->wmi.service_ready); } @@ -2634,7 +2631,7 @@ static void ath10k_wmi_10x_process_rx(struct ath10k *ar, struct sk_buff *skb) ath10k_wmi_event_vdev_resume_req(ar, skb); break; case WMI_10X_SERVICE_READY_EVENTID: - ath10k_wmi_10x_service_ready_event_rx(ar, skb); + ath10k_wmi_service_ready_event_rx(ar, skb); break; case WMI_10X_READY_EVENTID: ath10k_wmi_ready_event_rx(ar, skb); @@ -2745,7 +2742,7 @@ static void ath10k_wmi_10_2_process_rx(struct ath10k *ar, struct sk_buff *skb) ath10k_wmi_event_vdev_resume_req(ar, skb); break; case WMI_10_2_SERVICE_READY_EVENTID: - ath10k_wmi_10x_service_ready_event_rx(ar, skb); + ath10k_wmi_service_ready_event_rx(ar, skb); break; case WMI_10_2_READY_EVENTID: ath10k_wmi_ready_event_rx(ar, skb); diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h index fc8bc9dd3629..ca31cdbac557 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.h +++ b/drivers/net/wireless/ath/ath10k/wmi.h @@ -1428,11 +1428,11 @@ struct wmi_service_ready_event { * where FW can access this memory directly (or) by DMA. */ __le32 num_mem_reqs; - struct wlan_host_mem_req mem_reqs[1]; + struct wlan_host_mem_req mem_reqs[0]; } __packed; /* This is the definition from 10.X firmware branch */ -struct wmi_service_ready_event_10x { +struct wmi_10x_service_ready_event { __le32 sw_version; __le32 abi_version; @@ -1467,7 +1467,7 @@ struct wmi_service_ready_event_10x { */ __le32 num_mem_reqs; - struct wlan_host_mem_req mem_reqs[1]; + struct wlan_host_mem_req mem_reqs[0]; } __packed; #define WMI_SERVICE_READY_TIMEOUT_HZ (5*HZ) @@ -4702,6 +4702,23 @@ struct wmi_dbglog_cfg_cmd { /* By default disable power save for IBSS */ #define ATH10K_DEFAULT_ATIM 0 +#define WMI_MAX_MEM_REQS 16 + +struct wmi_svc_rdy_ev_arg { + __le32 min_tx_power; + __le32 max_tx_power; + __le32 ht_cap; + __le32 vht_cap; + __le32 sw_ver0; + __le32 sw_ver1; + __le32 phy_capab; + __le32 num_rf_chains; + __le32 eeprom_rd; + __le32 num_mem_reqs; + const __le32 *service_map; + const struct wlan_host_mem_req *mem_reqs[WMI_MAX_MEM_REQS]; +}; + struct ath10k; struct ath10k_vif; From 2332d0ae92f6d2fec5e0a970bc14869801ae10a8 Mon Sep 17 00:00:00 2001 From: Michal Kazior Date: Thu, 18 Sep 2014 15:21:25 +0200 Subject: [PATCH 08/45] ath10k: clean up phyerr code Make the phyerr structures more compact and easier to understand. Also add constness. Signed-off-by: Michal Kazior Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/spectral.c | 34 +++----- drivers/net/wireless/ath/ath10k/spectral.h | 8 +- drivers/net/wireless/ath/ath10k/wmi.c | 90 +++++++++++----------- drivers/net/wireless/ath/ath10k/wmi.h | 83 ++------------------ 4 files changed, 66 insertions(+), 149 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/spectral.c b/drivers/net/wireless/ath/ath10k/spectral.c index 3e1454b74e00..63ce61fcdac8 100644 --- a/drivers/net/wireless/ath/ath10k/spectral.c +++ b/drivers/net/wireless/ath/ath10k/spectral.c @@ -56,14 +56,14 @@ static uint8_t get_max_exp(s8 max_index, u16 max_magnitude, size_t bin_len, } int ath10k_spectral_process_fft(struct ath10k *ar, - struct wmi_single_phyerr_rx_event *event, - struct phyerr_fft_report *fftr, + const struct wmi_phyerr *phyerr, + const struct phyerr_fft_report *fftr, size_t bin_len, u64 tsf) { struct fft_sample_ath10k *fft_sample; u8 buf[sizeof(*fft_sample) + SPECTRAL_ATH10K_MAX_NUM_BINS]; u16 freq1, freq2, total_gain_db, base_pwr_db, length, peak_mag; - u32 reg0, reg1, nf_list1, nf_list2; + u32 reg0, reg1; u8 chain_idx, *bins; int dc_pos; @@ -82,7 +82,7 @@ int ath10k_spectral_process_fft(struct ath10k *ar, /* TODO: there might be a reason why the hardware reports 20/40/80 MHz, * but the results/plots suggest that its actually 22/44/88 MHz. */ - switch (event->hdr.chan_width_mhz) { + switch (phyerr->chan_width_mhz) { case 20: fft_sample->chan_width_mhz = 22; break; @@ -101,7 +101,7 @@ int ath10k_spectral_process_fft(struct ath10k *ar, fft_sample->chan_width_mhz = 88; break; default: - fft_sample->chan_width_mhz = event->hdr.chan_width_mhz; + fft_sample->chan_width_mhz = phyerr->chan_width_mhz; } fft_sample->relpwr_db = MS(reg1, SEARCH_FFT_REPORT_REG1_RELPWR_DB); @@ -110,36 +110,22 @@ int ath10k_spectral_process_fft(struct ath10k *ar, peak_mag = MS(reg1, SEARCH_FFT_REPORT_REG1_PEAK_MAG); fft_sample->max_magnitude = __cpu_to_be16(peak_mag); fft_sample->max_index = MS(reg0, SEARCH_FFT_REPORT_REG0_PEAK_SIDX); - fft_sample->rssi = event->hdr.rssi_combined; + fft_sample->rssi = phyerr->rssi_combined; total_gain_db = MS(reg0, SEARCH_FFT_REPORT_REG0_TOTAL_GAIN_DB); base_pwr_db = MS(reg0, SEARCH_FFT_REPORT_REG0_BASE_PWR_DB); fft_sample->total_gain_db = __cpu_to_be16(total_gain_db); fft_sample->base_pwr_db = __cpu_to_be16(base_pwr_db); - freq1 = __le16_to_cpu(event->hdr.freq1); - freq2 = __le16_to_cpu(event->hdr.freq2); + freq1 = __le16_to_cpu(phyerr->freq1); + freq2 = __le16_to_cpu(phyerr->freq2); fft_sample->freq1 = __cpu_to_be16(freq1); fft_sample->freq2 = __cpu_to_be16(freq2); - nf_list1 = __le32_to_cpu(event->hdr.nf_list_1); - nf_list2 = __le32_to_cpu(event->hdr.nf_list_2); chain_idx = MS(reg0, SEARCH_FFT_REPORT_REG0_FFT_CHN_IDX); - switch (chain_idx) { - case 0: - fft_sample->noise = __cpu_to_be16(nf_list1 & 0xffffu); - break; - case 1: - fft_sample->noise = __cpu_to_be16((nf_list1 >> 16) & 0xffffu); - break; - case 2: - fft_sample->noise = __cpu_to_be16(nf_list2 & 0xffffu); - break; - case 3: - fft_sample->noise = __cpu_to_be16((nf_list2 >> 16) & 0xffffu); - break; - } + fft_sample->noise = __cpu_to_be16( + __le16_to_cpu(phyerr->nf_chains[chain_idx])); bins = (u8 *)fftr; bins += sizeof(*fftr); diff --git a/drivers/net/wireless/ath/ath10k/spectral.h b/drivers/net/wireless/ath/ath10k/spectral.h index ddc57c557272..042f5b302c75 100644 --- a/drivers/net/wireless/ath/ath10k/spectral.h +++ b/drivers/net/wireless/ath/ath10k/spectral.h @@ -47,8 +47,8 @@ enum ath10k_spectral_mode { #ifdef CONFIG_ATH10K_DEBUGFS int ath10k_spectral_process_fft(struct ath10k *ar, - struct wmi_single_phyerr_rx_event *event, - struct phyerr_fft_report *fftr, + const struct wmi_phyerr *phyerr, + const struct phyerr_fft_report *fftr, size_t bin_len, u64 tsf); int ath10k_spectral_start(struct ath10k *ar); int ath10k_spectral_vif_stop(struct ath10k_vif *arvif); @@ -59,8 +59,8 @@ void ath10k_spectral_destroy(struct ath10k *ar); static inline int ath10k_spectral_process_fft(struct ath10k *ar, - struct wmi_single_phyerr_rx_event *event, - struct phyerr_fft_report *fftr, + const struct wmi_phyerr *phyerr, + const struct phyerr_fft_report *fftr, size_t bin_len, u64 tsf) { return 0; diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index a7c11b292bf4..ad1b2725c556 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -1723,8 +1723,8 @@ static void ath10k_wmi_event_tbttoffset_update(struct ath10k *ar, } static void ath10k_dfs_radar_report(struct ath10k *ar, - struct wmi_single_phyerr_rx_event *event, - struct phyerr_radar_report *rr, + const struct wmi_phyerr *phyerr, + const struct phyerr_radar_report *rr, u64 tsf) { u32 reg0, reg1, tsf32l; @@ -1757,12 +1757,12 @@ static void ath10k_dfs_radar_report(struct ath10k *ar, return; /* report event to DFS pattern detector */ - tsf32l = __le32_to_cpu(event->hdr.tsf_timestamp); + tsf32l = __le32_to_cpu(phyerr->tsf_timestamp); tsf64 = tsf & (~0xFFFFFFFFULL); tsf64 |= tsf32l; width = MS(reg1, RADAR_REPORT_REG1_PULSE_DUR); - rssi = event->hdr.rssi_combined; + rssi = phyerr->rssi_combined; /* hardware store this as 8 bit signed value, * set to zero if negative number @@ -1801,8 +1801,8 @@ static void ath10k_dfs_radar_report(struct ath10k *ar, } static int ath10k_dfs_fft_report(struct ath10k *ar, - struct wmi_single_phyerr_rx_event *event, - struct phyerr_fft_report *fftr, + const struct wmi_phyerr *phyerr, + const struct phyerr_fft_report *fftr, u64 tsf) { u32 reg0, reg1; @@ -1810,7 +1810,7 @@ static int ath10k_dfs_fft_report(struct ath10k *ar, reg0 = __le32_to_cpu(fftr->reg0); reg1 = __le32_to_cpu(fftr->reg1); - rssi = event->hdr.rssi_combined; + rssi = phyerr->rssi_combined; ath10k_dbg(ar, ATH10K_DBG_REGULATORY, "wmi phyerr fft report total_gain_db %d base_pwr_db %d fft_chn_idx %d peak_sidx %d\n", @@ -1839,20 +1839,20 @@ static int ath10k_dfs_fft_report(struct ath10k *ar, } static void ath10k_wmi_event_dfs(struct ath10k *ar, - struct wmi_single_phyerr_rx_event *event, + const struct wmi_phyerr *phyerr, u64 tsf) { int buf_len, tlv_len, res, i = 0; - struct phyerr_tlv *tlv; - struct phyerr_radar_report *rr; - struct phyerr_fft_report *fftr; - u8 *tlv_buf; + const struct phyerr_tlv *tlv; + const struct phyerr_radar_report *rr; + const struct phyerr_fft_report *fftr; + const u8 *tlv_buf; - buf_len = __le32_to_cpu(event->hdr.buf_len); + buf_len = __le32_to_cpu(phyerr->buf_len); ath10k_dbg(ar, ATH10K_DBG_REGULATORY, "wmi event dfs err_code %d rssi %d tsfl 0x%X tsf64 0x%llX len %d\n", - event->hdr.phy_err_code, event->hdr.rssi_combined, - __le32_to_cpu(event->hdr.tsf_timestamp), tsf, buf_len); + phyerr->phy_err_code, phyerr->rssi_combined, + __le32_to_cpu(phyerr->tsf_timestamp), tsf, buf_len); /* Skip event if DFS disabled */ if (!config_enabled(CONFIG_ATH10K_DFS_CERTIFIED)) @@ -1867,9 +1867,9 @@ static void ath10k_wmi_event_dfs(struct ath10k *ar, return; } - tlv = (struct phyerr_tlv *)&event->bufp[i]; + tlv = (struct phyerr_tlv *)&phyerr->buf[i]; tlv_len = __le16_to_cpu(tlv->len); - tlv_buf = &event->bufp[i + sizeof(*tlv)]; + tlv_buf = &phyerr->buf[i + sizeof(*tlv)]; ath10k_dbg(ar, ATH10K_DBG_REGULATORY, "wmi event dfs tlv_len %d tlv_tag 0x%02X tlv_sig 0x%02X\n", tlv_len, tlv->tag, tlv->sig); @@ -1883,7 +1883,7 @@ static void ath10k_wmi_event_dfs(struct ath10k *ar, } rr = (struct phyerr_radar_report *)tlv_buf; - ath10k_dfs_radar_report(ar, event, rr, tsf); + ath10k_dfs_radar_report(ar, phyerr, rr, tsf); break; case PHYERR_TLV_TAG_SEARCH_FFT_REPORT: if (i + sizeof(*tlv) + sizeof(*fftr) > buf_len) { @@ -1893,7 +1893,7 @@ static void ath10k_wmi_event_dfs(struct ath10k *ar, } fftr = (struct phyerr_fft_report *)tlv_buf; - res = ath10k_dfs_fft_report(ar, event, fftr, tsf); + res = ath10k_dfs_fft_report(ar, phyerr, fftr, tsf); if (res) return; break; @@ -1905,16 +1905,16 @@ static void ath10k_wmi_event_dfs(struct ath10k *ar, static void ath10k_wmi_event_spectral_scan(struct ath10k *ar, - struct wmi_single_phyerr_rx_event *event, + const struct wmi_phyerr *phyerr, u64 tsf) { int buf_len, tlv_len, res, i = 0; struct phyerr_tlv *tlv; - u8 *tlv_buf; - struct phyerr_fft_report *fftr; + const void *tlv_buf; + const struct phyerr_fft_report *fftr; size_t fftr_len; - buf_len = __le32_to_cpu(event->hdr.buf_len); + buf_len = __le32_to_cpu(phyerr->buf_len); while (i < buf_len) { if (i + sizeof(*tlv) > buf_len) { @@ -1923,9 +1923,9 @@ ath10k_wmi_event_spectral_scan(struct ath10k *ar, return; } - tlv = (struct phyerr_tlv *)&event->bufp[i]; + tlv = (struct phyerr_tlv *)&phyerr->buf[i]; tlv_len = __le16_to_cpu(tlv->len); - tlv_buf = &event->bufp[i + sizeof(*tlv)]; + tlv_buf = &phyerr->buf[i + sizeof(*tlv)]; if (i + sizeof(*tlv) + tlv_len > buf_len) { ath10k_warn(ar, "failed to parse phyerr tlv payload at byte %d\n", @@ -1942,8 +1942,8 @@ ath10k_wmi_event_spectral_scan(struct ath10k *ar, } fftr_len = tlv_len - sizeof(*fftr); - fftr = (struct phyerr_fft_report *)tlv_buf; - res = ath10k_spectral_process_fft(ar, event, + fftr = tlv_buf; + res = ath10k_spectral_process_fft(ar, phyerr, fftr, fftr_len, tsf); if (res < 0) { @@ -1960,8 +1960,8 @@ ath10k_wmi_event_spectral_scan(struct ath10k *ar, static void ath10k_wmi_event_phyerr(struct ath10k *ar, struct sk_buff *skb) { - struct wmi_comb_phyerr_rx_event *comb_event; - struct wmi_single_phyerr_rx_event *event; + const struct wmi_phyerr_event *ev; + const struct wmi_phyerr *phyerr; u32 count, i, buf_len, phy_err_code; u64 tsf; int left_len = skb->len; @@ -1969,38 +1969,38 @@ static void ath10k_wmi_event_phyerr(struct ath10k *ar, struct sk_buff *skb) ATH10K_DFS_STAT_INC(ar, phy_errors); /* Check if combined event available */ - if (left_len < sizeof(*comb_event)) { + if (left_len < sizeof(*ev)) { ath10k_warn(ar, "wmi phyerr combined event wrong len\n"); return; } - left_len -= sizeof(*comb_event); + left_len -= sizeof(*ev); /* Check number of included events */ - comb_event = (struct wmi_comb_phyerr_rx_event *)skb->data; - count = __le32_to_cpu(comb_event->hdr.num_phyerr_events); + ev = (const struct wmi_phyerr_event *)skb->data; + count = __le32_to_cpu(ev->num_phyerrs); - tsf = __le32_to_cpu(comb_event->hdr.tsf_u32); + tsf = __le32_to_cpu(ev->tsf_u32); tsf <<= 32; - tsf |= __le32_to_cpu(comb_event->hdr.tsf_l32); + tsf |= __le32_to_cpu(ev->tsf_l32); ath10k_dbg(ar, ATH10K_DBG_WMI, "wmi event phyerr count %d tsf64 0x%llX\n", count, tsf); - event = (struct wmi_single_phyerr_rx_event *)comb_event->bufp; + phyerr = ev->phyerrs; for (i = 0; i < count; i++) { /* Check if we can read event header */ - if (left_len < sizeof(*event)) { + if (left_len < sizeof(*phyerr)) { ath10k_warn(ar, "single event (%d) wrong head len\n", i); return; } - left_len -= sizeof(*event); + left_len -= sizeof(*phyerr); - buf_len = __le32_to_cpu(event->hdr.buf_len); - phy_err_code = event->hdr.phy_err_code; + buf_len = __le32_to_cpu(phyerr->buf_len); + phy_err_code = phyerr->phy_err_code; if (left_len < buf_len) { ath10k_warn(ar, "single event (%d) wrong buf len\n", i); @@ -2011,20 +2011,20 @@ static void ath10k_wmi_event_phyerr(struct ath10k *ar, struct sk_buff *skb) switch (phy_err_code) { case PHY_ERROR_RADAR: - ath10k_wmi_event_dfs(ar, event, tsf); + ath10k_wmi_event_dfs(ar, phyerr, tsf); break; case PHY_ERROR_SPECTRAL_SCAN: - ath10k_wmi_event_spectral_scan(ar, event, tsf); + ath10k_wmi_event_spectral_scan(ar, phyerr, tsf); break; case PHY_ERROR_FALSE_RADAR_EXT: - ath10k_wmi_event_dfs(ar, event, tsf); - ath10k_wmi_event_spectral_scan(ar, event, tsf); + ath10k_wmi_event_dfs(ar, phyerr, tsf); + ath10k_wmi_event_spectral_scan(ar, phyerr, tsf); break; default: break; } - event += sizeof(*event) + buf_len; + phyerr = (void *)phyerr + sizeof(*phyerr) + buf_len; } } diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h index ca31cdbac557..0df5eef21318 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.h +++ b/drivers/net/wireless/ath/ath10k/wmi.h @@ -2294,94 +2294,25 @@ struct wmi_mgmt_rx_event_v2 { #define PHY_ERROR_FALSE_RADAR_EXT 0x24 #define PHY_ERROR_RADAR 0x05 -struct wmi_single_phyerr_rx_hdr { - /* TSF timestamp */ +struct wmi_phyerr { __le32 tsf_timestamp; - - /* - * Current freq1, freq2 - * - * [7:0]: freq1[lo] - * [15:8] : freq1[hi] - * [23:16]: freq2[lo] - * [31:24]: freq2[hi] - */ __le16 freq1; __le16 freq2; - - /* - * Combined RSSI over all chains and channel width for this PHY error - * - * [7:0]: RSSI combined - * [15:8]: Channel width (MHz) - * [23:16]: PHY error code - * [24:16]: reserved (future use) - */ u8 rssi_combined; u8 chan_width_mhz; u8 phy_err_code; u8 rsvd0; - - /* - * RSSI on chain 0 through 3 - * - * This is formatted the same as the PPDU_START RX descriptor - * field: - * - * [7:0]: pri20 - * [15:8]: sec20 - * [23:16]: sec40 - * [31:24]: sec80 - */ - - __le32 rssi_chain0; - __le32 rssi_chain1; - __le32 rssi_chain2; - __le32 rssi_chain3; - - /* - * Last calibrated NF value for chain 0 through 3 - * - * nf_list_1: - * - * + [15:0] - chain 0 - * + [31:16] - chain 1 - * - * nf_list_2: - * - * + [15:0] - chain 2 - * + [31:16] - chain 3 - */ - __le32 nf_list_1; - __le32 nf_list_2; - - /* Length of the frame */ + __le32 rssi_chains[4]; + __le16 nf_chains[4]; __le32 buf_len; + u8 buf[0]; } __packed; -struct wmi_single_phyerr_rx_event { - /* Phy error event header */ - struct wmi_single_phyerr_rx_hdr hdr; - /* frame buffer */ - u8 bufp[0]; -} __packed; - -struct wmi_comb_phyerr_rx_hdr { - /* Phy error phy error count */ - __le32 num_phyerr_events; +struct wmi_phyerr_event { + __le32 num_phyerrs; __le32 tsf_l32; __le32 tsf_u32; -} __packed; - -struct wmi_comb_phyerr_rx_event { - /* Phy error phy error count */ - struct wmi_comb_phyerr_rx_hdr hdr; - /* - * frame buffer - contains multiple payloads in the order: - * header - payload, header - payload... - * (The header is of type: wmi_single_phyerr_rx_hdr) - */ - u8 bufp[0]; + struct wmi_phyerr phyerrs[0]; } __packed; #define PHYERR_TLV_SIG 0xBB From b34d2b3d7d0d28888571ad05105b4804b514b7c5 Mon Sep 17 00:00:00 2001 From: Michal Kazior Date: Thu, 18 Sep 2014 15:21:26 +0200 Subject: [PATCH 09/45] ath10k: unify wmi event function names Make all wmi event functions match the same naming style, i.e. ath10k_wmi_event_. Signed-off-by: Michal Kazior Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/wmi.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index ad1b2725c556..ca250ffadef7 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -2274,8 +2274,8 @@ static int ath10k_wmi_10x_pull_svc_rdy_ev(struct sk_buff *skb, return 0; } -static void ath10k_wmi_service_ready_event_rx(struct ath10k *ar, - struct sk_buff *skb) +static void ath10k_wmi_event_service_ready(struct ath10k *ar, + struct sk_buff *skb) { struct wmi_svc_rdy_ev_arg arg = {}; u32 num_units, req_id, unit_size, num_mem_reqs, num_unit_info, i; @@ -2388,7 +2388,7 @@ static void ath10k_wmi_service_ready_event_rx(struct ath10k *ar, complete(&ar->wmi.service_ready); } -static int ath10k_wmi_ready_event_rx(struct ath10k *ar, struct sk_buff *skb) +static int ath10k_wmi_event_ready(struct ath10k *ar, struct sk_buff *skb) { struct wmi_ready_event *ev = (struct wmi_ready_event *)skb->data; @@ -2511,10 +2511,10 @@ static void ath10k_wmi_main_process_rx(struct ath10k *ar, struct sk_buff *skb) ath10k_wmi_event_vdev_install_key_complete(ar, skb); break; case WMI_SERVICE_READY_EVENTID: - ath10k_wmi_service_ready_event_rx(ar, skb); + ath10k_wmi_event_service_ready(ar, skb); break; case WMI_READY_EVENTID: - ath10k_wmi_ready_event_rx(ar, skb); + ath10k_wmi_event_ready(ar, skb); break; default: ath10k_warn(ar, "Unknown eventid: %d\n", id); @@ -2631,10 +2631,10 @@ static void ath10k_wmi_10x_process_rx(struct ath10k *ar, struct sk_buff *skb) ath10k_wmi_event_vdev_resume_req(ar, skb); break; case WMI_10X_SERVICE_READY_EVENTID: - ath10k_wmi_service_ready_event_rx(ar, skb); + ath10k_wmi_event_service_ready(ar, skb); break; case WMI_10X_READY_EVENTID: - ath10k_wmi_ready_event_rx(ar, skb); + ath10k_wmi_event_ready(ar, skb); break; case WMI_10X_PDEV_UTF_EVENTID: /* ignore utf events */ @@ -2742,10 +2742,10 @@ static void ath10k_wmi_10_2_process_rx(struct ath10k *ar, struct sk_buff *skb) ath10k_wmi_event_vdev_resume_req(ar, skb); break; case WMI_10_2_SERVICE_READY_EVENTID: - ath10k_wmi_service_ready_event_rx(ar, skb); + ath10k_wmi_event_service_ready(ar, skb); break; case WMI_10_2_READY_EVENTID: - ath10k_wmi_ready_event_rx(ar, skb); + ath10k_wmi_event_ready(ar, skb); break; case WMI_10_2_RTT_KEEPALIVE_EVENTID: case WMI_10_2_GPIO_INPUT_EVENTID: From a6aa5da3029670816b3eb9358bc1a63f2e2564fb Mon Sep 17 00:00:00 2001 From: Michal Kazior Date: Thu, 18 Sep 2014 15:21:27 +0200 Subject: [PATCH 10/45] ath10k: re-work scan start command building This gets rid of the ugly scan structure building and uses a saner way to do it. Signed-off-by: Michal Kazior Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/wmi.c | 189 ++++++++++++++------------ drivers/net/wireless/ath/ath10k/wmi.h | 100 ++------------ 2 files changed, 118 insertions(+), 171 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index ca250ffadef7..bfc1fb3708c5 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -3165,52 +3165,50 @@ int ath10k_wmi_cmd_init(struct ath10k *ar) return ret; } -static int ath10k_wmi_start_scan_calc_len(struct ath10k *ar, - const struct wmi_start_scan_arg *arg) +static int ath10k_wmi_start_scan_verify(const struct wmi_start_scan_arg *arg) { - int len; + if (arg->ie_len && !arg->ie) + return -EINVAL; + if (arg->n_channels && !arg->channels) + return -EINVAL; + if (arg->n_ssids && !arg->ssids) + return -EINVAL; + if (arg->n_bssids && !arg->bssids) + return -EINVAL; - if (test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) - len = sizeof(struct wmi_start_scan_cmd_10x); - else - len = sizeof(struct wmi_start_scan_cmd); + if (arg->ie_len > WLAN_SCAN_PARAMS_MAX_IE_LEN) + return -EINVAL; + if (arg->n_channels > ARRAY_SIZE(arg->channels)) + return -EINVAL; + if (arg->n_ssids > WLAN_SCAN_PARAMS_MAX_SSID) + return -EINVAL; + if (arg->n_bssids > WLAN_SCAN_PARAMS_MAX_BSSID) + return -EINVAL; + + return 0; +} + +static size_t +ath10k_wmi_start_scan_tlvs_len(const struct wmi_start_scan_arg *arg) +{ + int len = 0; if (arg->ie_len) { - if (!arg->ie) - return -EINVAL; - if (arg->ie_len > WLAN_SCAN_PARAMS_MAX_IE_LEN) - return -EINVAL; - len += sizeof(struct wmi_ie_data); len += roundup(arg->ie_len, 4); } if (arg->n_channels) { - if (!arg->channels) - return -EINVAL; - if (arg->n_channels > ARRAY_SIZE(arg->channels)) - return -EINVAL; - len += sizeof(struct wmi_chan_list); len += sizeof(__le32) * arg->n_channels; } if (arg->n_ssids) { - if (!arg->ssids) - return -EINVAL; - if (arg->n_ssids > WLAN_SCAN_PARAMS_MAX_SSID) - return -EINVAL; - len += sizeof(struct wmi_ssid_list); len += sizeof(struct wmi_ssid) * arg->n_ssids; } if (arg->n_bssids) { - if (!arg->bssids) - return -EINVAL; - if (arg->n_bssids > WLAN_SCAN_PARAMS_MAX_BSSID) - return -EINVAL; - len += sizeof(struct wmi_bssid_list); len += sizeof(struct wmi_mac_addr) * arg->n_bssids; } @@ -3218,28 +3216,12 @@ static int ath10k_wmi_start_scan_calc_len(struct ath10k *ar, return len; } -int ath10k_wmi_start_scan(struct ath10k *ar, - const struct wmi_start_scan_arg *arg) +static void +ath10k_wmi_put_start_scan_common(struct wmi_start_scan_common *cmn, + const struct wmi_start_scan_arg *arg) { - struct wmi_start_scan_cmd *cmd; - struct sk_buff *skb; - struct wmi_ie_data *ie; - struct wmi_chan_list *channels; - struct wmi_ssid_list *ssids; - struct wmi_bssid_list *bssids; u32 scan_id; u32 scan_req_id; - int off; - int len = 0; - int i; - - len = ath10k_wmi_start_scan_calc_len(ar, arg); - if (len < 0) - return len; /* len contains error code here */ - - skb = ath10k_wmi_alloc_skb(ar, len); - if (!skb) - return -ENOMEM; scan_id = WMI_HOST_SCAN_REQ_ID_PREFIX; scan_id |= arg->scan_id; @@ -3247,35 +3229,36 @@ int ath10k_wmi_start_scan(struct ath10k *ar, scan_req_id = WMI_HOST_SCAN_REQUESTOR_ID_PREFIX; scan_req_id |= arg->scan_req_id; - cmd = (struct wmi_start_scan_cmd *)skb->data; - cmd->scan_id = __cpu_to_le32(scan_id); - cmd->scan_req_id = __cpu_to_le32(scan_req_id); - cmd->vdev_id = __cpu_to_le32(arg->vdev_id); - cmd->scan_priority = __cpu_to_le32(arg->scan_priority); - cmd->notify_scan_events = __cpu_to_le32(arg->notify_scan_events); - cmd->dwell_time_active = __cpu_to_le32(arg->dwell_time_active); - cmd->dwell_time_passive = __cpu_to_le32(arg->dwell_time_passive); - cmd->min_rest_time = __cpu_to_le32(arg->min_rest_time); - cmd->max_rest_time = __cpu_to_le32(arg->max_rest_time); - cmd->repeat_probe_time = __cpu_to_le32(arg->repeat_probe_time); - cmd->probe_spacing_time = __cpu_to_le32(arg->probe_spacing_time); - cmd->idle_time = __cpu_to_le32(arg->idle_time); - cmd->max_scan_time = __cpu_to_le32(arg->max_scan_time); - cmd->probe_delay = __cpu_to_le32(arg->probe_delay); - cmd->scan_ctrl_flags = __cpu_to_le32(arg->scan_ctrl_flags); + cmn->scan_id = __cpu_to_le32(scan_id); + cmn->scan_req_id = __cpu_to_le32(scan_req_id); + cmn->vdev_id = __cpu_to_le32(arg->vdev_id); + cmn->scan_priority = __cpu_to_le32(arg->scan_priority); + cmn->notify_scan_events = __cpu_to_le32(arg->notify_scan_events); + cmn->dwell_time_active = __cpu_to_le32(arg->dwell_time_active); + cmn->dwell_time_passive = __cpu_to_le32(arg->dwell_time_passive); + cmn->min_rest_time = __cpu_to_le32(arg->min_rest_time); + cmn->max_rest_time = __cpu_to_le32(arg->max_rest_time); + cmn->repeat_probe_time = __cpu_to_le32(arg->repeat_probe_time); + cmn->probe_spacing_time = __cpu_to_le32(arg->probe_spacing_time); + cmn->idle_time = __cpu_to_le32(arg->idle_time); + cmn->max_scan_time = __cpu_to_le32(arg->max_scan_time); + cmn->probe_delay = __cpu_to_le32(arg->probe_delay); + cmn->scan_ctrl_flags = __cpu_to_le32(arg->scan_ctrl_flags); +} - /* TLV list starts after fields included in the struct */ - /* There's just one filed that differes the two start_scan - * structures - burst_duration, which we are not using btw, - no point to make the split here, just shift the buffer to fit with - given FW */ - if (test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) - off = sizeof(struct wmi_start_scan_cmd_10x); - else - off = sizeof(struct wmi_start_scan_cmd); +static void +ath10k_wmi_put_start_scan_tlvs(struct wmi_start_scan_tlvs *tlvs, + const struct wmi_start_scan_arg *arg) +{ + struct wmi_ie_data *ie; + struct wmi_chan_list *channels; + struct wmi_ssid_list *ssids; + struct wmi_bssid_list *bssids; + void *ptr = tlvs->tlvs; + int i; if (arg->n_channels) { - channels = (void *)skb->data + off; + channels = ptr; channels->tag = __cpu_to_le32(WMI_CHAN_LIST_TAG); channels->num_chan = __cpu_to_le32(arg->n_channels); @@ -3283,12 +3266,12 @@ int ath10k_wmi_start_scan(struct ath10k *ar, channels->channel_list[i].freq = __cpu_to_le16(arg->channels[i]); - off += sizeof(*channels); - off += sizeof(__le32) * arg->n_channels; + ptr += sizeof(*channels); + ptr += sizeof(__le32) * arg->n_channels; } if (arg->n_ssids) { - ssids = (void *)skb->data + off; + ssids = ptr; ssids->tag = __cpu_to_le32(WMI_SSID_LIST_TAG); ssids->num_ssids = __cpu_to_le32(arg->n_ssids); @@ -3300,12 +3283,12 @@ int ath10k_wmi_start_scan(struct ath10k *ar, arg->ssids[i].len); } - off += sizeof(*ssids); - off += sizeof(struct wmi_ssid) * arg->n_ssids; + ptr += sizeof(*ssids); + ptr += sizeof(struct wmi_ssid) * arg->n_ssids; } if (arg->n_bssids) { - bssids = (void *)skb->data + off; + bssids = ptr; bssids->tag = __cpu_to_le32(WMI_BSSID_LIST_TAG); bssids->num_bssid = __cpu_to_le32(arg->n_bssids); @@ -3314,23 +3297,57 @@ int ath10k_wmi_start_scan(struct ath10k *ar, arg->bssids[i].bssid, ETH_ALEN); - off += sizeof(*bssids); - off += sizeof(struct wmi_mac_addr) * arg->n_bssids; + ptr += sizeof(*bssids); + ptr += sizeof(struct wmi_mac_addr) * arg->n_bssids; } if (arg->ie_len) { - ie = (void *)skb->data + off; + ie = ptr; ie->tag = __cpu_to_le32(WMI_IE_TAG); ie->ie_len = __cpu_to_le32(arg->ie_len); memcpy(ie->ie_data, arg->ie, arg->ie_len); - off += sizeof(*ie); - off += roundup(arg->ie_len, 4); + ptr += sizeof(*ie); + ptr += roundup(arg->ie_len, 4); } +} - if (off != skb->len) { - dev_kfree_skb(skb); - return -EINVAL; +int ath10k_wmi_start_scan(struct ath10k *ar, + const struct wmi_start_scan_arg *arg) +{ + struct sk_buff *skb; + size_t len; + int ret; + + ret = ath10k_wmi_start_scan_verify(arg); + if (ret) + return ret; + + if (test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) + len = sizeof(struct wmi_start_scan_cmd) + + ath10k_wmi_start_scan_tlvs_len(arg); + else + len = sizeof(struct wmi_10x_start_scan_cmd) + + ath10k_wmi_start_scan_tlvs_len(arg); + + skb = ath10k_wmi_alloc_skb(ar, len); + if (!skb) + return -ENOMEM; + + if (test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) { + struct wmi_10x_start_scan_cmd *cmd; + + cmd = (struct wmi_10x_start_scan_cmd *)skb->data; + ath10k_wmi_put_start_scan_common(&cmd->common, arg); + ath10k_wmi_put_start_scan_tlvs(&cmd->tlvs, arg); + } else { + struct wmi_start_scan_cmd *cmd; + + cmd = (struct wmi_start_scan_cmd *)skb->data; + cmd->burst_duration_ms = __cpu_to_le32(0); + + ath10k_wmi_put_start_scan_common(&cmd->common, arg); + ath10k_wmi_put_start_scan_tlvs(&cmd->tlvs, arg); } ath10k_dbg(ar, ATH10K_DBG_WMI, "wmi start scan\n"); diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h index 0df5eef21318..55d8317ce1a5 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.h +++ b/drivers/net/wireless/ath/ath10k/wmi.h @@ -1962,7 +1962,7 @@ enum wmi_scan_priority { WMI_SCAN_PRIORITY_COUNT /* number of priorities supported */ }; -struct wmi_start_scan_cmd { +struct wmi_start_scan_common { /* Scan ID */ __le32 scan_id; /* Scan requestor ID */ @@ -2020,95 +2020,25 @@ struct wmi_start_scan_cmd { __le32 probe_delay; /* Scan control flags */ __le32 scan_ctrl_flags; +} __packed; - /* Burst duration time in msecs */ - __le32 burst_duration; - /* - * TLV (tag length value ) paramerters follow the scan_cmd structure. - * TLV can contain channel list, bssid list, ssid list and - * ie. the TLV tags are defined above; +struct wmi_start_scan_tlvs { + /* TLV parameters. These includes channel list, ssid list, bssid list, + * extra ies. */ + u8 tlvs[0]; +} __packed; + +struct wmi_start_scan_cmd { + struct wmi_start_scan_common common; + __le32 burst_duration_ms; + struct wmi_start_scan_tlvs tlvs; } __packed; /* This is the definition from 10.X firmware branch */ -struct wmi_start_scan_cmd_10x { - /* Scan ID */ - __le32 scan_id; - - /* Scan requestor ID */ - __le32 scan_req_id; - - /* VDEV id(interface) that is requesting scan */ - __le32 vdev_id; - - /* Scan Priority, input to scan scheduler */ - __le32 scan_priority; - - /* Scan events subscription */ - __le32 notify_scan_events; - - /* dwell time in msec on active channels */ - __le32 dwell_time_active; - - /* dwell time in msec on passive channels */ - __le32 dwell_time_passive; - - /* - * min time in msec on the BSS channel,only valid if atleast one - * VDEV is active - */ - __le32 min_rest_time; - - /* - * max rest time in msec on the BSS channel,only valid if at least - * one VDEV is active - */ - /* - * the scanner will rest on the bss channel at least min_rest_time - * after min_rest_time the scanner will start checking for tx/rx - * activity on all VDEVs. if there is no activity the scanner will - * switch to off channel. if there is activity the scanner will let - * the radio on the bss channel until max_rest_time expires.at - * max_rest_time scanner will switch to off channel irrespective of - * activity. activity is determined by the idle_time parameter. - */ - __le32 max_rest_time; - - /* - * time before sending next set of probe requests. - * The scanner keeps repeating probe requests transmission with - * period specified by repeat_probe_time. - * The number of probe requests specified depends on the ssid_list - * and bssid_list - */ - __le32 repeat_probe_time; - - /* time in msec between 2 consequetive probe requests with in a set. */ - __le32 probe_spacing_time; - - /* - * data inactivity time in msec on bss channel that will be used by - * scanner for measuring the inactivity. - */ - __le32 idle_time; - - /* maximum time in msec allowed for scan */ - __le32 max_scan_time; - - /* - * delay in msec before sending first probe request after switching - * to a channel - */ - __le32 probe_delay; - - /* Scan control flags */ - __le32 scan_ctrl_flags; - - /* - * TLV (tag length value ) paramerters follow the scan_cmd structure. - * TLV can contain channel list, bssid list, ssid list and - * ie. the TLV tags are defined above; - */ +struct wmi_10x_start_scan_cmd { + struct wmi_start_scan_common common; + struct wmi_start_scan_tlvs tlvs; } __packed; struct wmi_ssid_arg { From 34b28b6e9a66da35e161b2221c62c82ab8d87f38 Mon Sep 17 00:00:00 2001 From: Michal Kazior Date: Tue, 23 Sep 2014 10:22:52 +0200 Subject: [PATCH 11/45] ath10k: print wmi version info HTT version is already printed so print WMI version as well for consistency. Signed-off-by: Michal Kazior Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/debug.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c index 101c6f9cf2a8..4f982c70a6b0 100644 --- a/drivers/net/wireless/ath/ath10k/debug.c +++ b/drivers/net/wireless/ath/ath10k/debug.c @@ -126,14 +126,18 @@ EXPORT_SYMBOL(ath10k_info); void ath10k_print_driver_info(struct ath10k *ar) { - ath10k_info(ar, "%s (0x%08x, 0x%08x) fw %s api %d htt %d.%d\n", + ath10k_info(ar, "%s (0x%08x, 0x%08x) fw %s api %d htt %d.%d wmi %d.%d.%d.%d\n", ar->hw_params.name, ar->target_version, ar->chip_id, ar->hw->wiphy->fw_version, ar->fw_api, ar->htt.target_version_major, - ar->htt.target_version_minor); + ar->htt.target_version_minor, + ar->fw_version_major, + ar->fw_version_minor, + ar->fw_version_release, + ar->fw_version_build); ath10k_info(ar, "debug %d debugfs %d tracing %d dfs %d testmode %d\n", config_enabled(CONFIG_ATH10K_DEBUG), config_enabled(CONFIG_ATH10K_DEBUGFS), From 45724a8a82981de911ebb2540e469907ae50a240 Mon Sep 17 00:00:00 2001 From: Michal Kazior Date: Tue, 23 Sep 2014 10:22:53 +0200 Subject: [PATCH 12/45] ath10k: dump hex bytes with dev string prefix This makes it easier to debug hex dumps on systems with more than a single ath10k device. Signed-off-by: Michal Kazior Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/debug.c | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c index 4f982c70a6b0..5e001de7aafe 100644 --- a/drivers/net/wireless/ath/ath10k/debug.c +++ b/drivers/net/wireless/ath/ath10k/debug.c @@ -1264,11 +1264,26 @@ void ath10k_dbg_dump(struct ath10k *ar, const char *msg, const char *prefix, const void *buf, size_t len) { + char linebuf[256]; + unsigned int linebuflen; + const void *ptr; + if (ath10k_debug_mask & mask) { if (msg) ath10k_dbg(ar, mask, "%s\n", msg); - print_hex_dump_bytes(prefix, DUMP_PREFIX_OFFSET, buf, len); + for (ptr = buf; (ptr - buf) < len; ptr += 16) { + linebuflen = 0; + linebuflen += scnprintf(linebuf + linebuflen, + sizeof(linebuf) - linebuflen, + "%s%08x: ", + (prefix ? prefix : ""), + (unsigned int)(ptr - buf)); + hex_dump_to_buffer(ptr, len - (ptr - buf), 16, 1, + linebuf + linebuflen, + sizeof(linebuf) - linebuflen, true); + dev_printk(KERN_DEBUG, ar->dev, "%s\n", linebuf); + } } /* tracing code doesn't like null strings :/ */ From a360e54cda8f3b18365fa6f58392de7f067b07d3 Mon Sep 17 00:00:00 2001 From: Michal Kazior Date: Tue, 23 Sep 2014 10:22:54 +0200 Subject: [PATCH 13/45] ath10k: add debug dump for pci rx This makes it easier to debug the device-target communication at a very low level. Signed-off-by: Michal Kazior Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/pci.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c index 59e0ea83be50..8319d83bb9a8 100644 --- a/drivers/net/wireless/ath/ath10k/pci.c +++ b/drivers/net/wireless/ath/ath10k/pci.c @@ -861,6 +861,12 @@ static void ath10k_pci_ce_recv_data(struct ath10k_ce_pipe *ce_state) } skb_put(skb, nbytes); + + ath10k_dbg(ar, ATH10K_DBG_PCI, "pci rx ce pipe %d len %d\n", + ce_state->id, skb->len); + ath10k_dbg_dump(ar, ATH10K_DBG_PCI_DUMP, NULL, "pci rx: ", + skb->data, skb->len); + cb->rx_completion(ar, skb, pipe_info->pipe_num); } From d5d6805bf90f420abbaac30037d5fef6b7c05096 Mon Sep 17 00:00:00 2001 From: Kalle Valo Date: Wed, 24 Sep 2014 14:16:46 +0300 Subject: [PATCH 14/45] ath10k: don't enable interrupts for the diagnostic window The diagnostic window (CE7) uses polling and is not initiliased to retrieve interrupts so disable interrupts altogether for CE7. Otherwise ath10k crashes when using the diagnostic window while the firmware is running due to NULL dereference and polling reads timeout. Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/ce.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath10k/ce.c b/drivers/net/wireless/ath/ath10k/ce.c index 101cadb6e4ba..09ef03e7af89 100644 --- a/drivers/net/wireless/ath/ath10k/ce.c +++ b/drivers/net/wireless/ath/ath10k/ce.c @@ -817,7 +817,10 @@ void ath10k_ce_enable_interrupts(struct ath10k *ar) struct ath10k_pci *ar_pci = ath10k_pci_priv(ar); int ce_id; - for (ce_id = 0; ce_id < CE_COUNT; ce_id++) + /* Skip the last copy engine, CE7 the diagnostic window, as that + * uses polling and isn't initialized for interrupts. + */ + for (ce_id = 0; ce_id < CE_COUNT - 1; ce_id++) ath10k_ce_per_engine_handler_adjust(&ar_pci->ce_states[ce_id]); } From eef254051f3c7675e3ac4df23f8ccf7b210c39c5 Mon Sep 17 00:00:00 2001 From: Kalle Valo Date: Wed, 24 Sep 2014 14:16:52 +0300 Subject: [PATCH 15/45] ath10k: add diag_read() to hif ops diag_read() is used for reading from firmware memory via the diagnose window. First user will be cal_data debugfs file. To serialise diagnostic window access and make it safe to use while firmware is running take ce_lock both in ath10k_pci_diag_write_mem() and ath10k_pci_diag_read_mem(). Because of that all the CE calls had to be changed to _nolock variants. Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/ce.c | 22 ++++++------ drivers/net/wireless/ath/ath10k/ce.h | 13 +++++++ drivers/net/wireless/ath/ath10k/hif.h | 10 ++++++ drivers/net/wireless/ath/ath10k/pci.c | 51 +++++++++++++++++---------- 4 files changed, 67 insertions(+), 29 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/ce.c b/drivers/net/wireless/ath/ath10k/ce.c index 09ef03e7af89..4745ef2a6f01 100644 --- a/drivers/net/wireless/ath/ath10k/ce.c +++ b/drivers/net/wireless/ath/ath10k/ce.c @@ -443,12 +443,12 @@ int ath10k_ce_rx_post_buf(struct ath10k_ce_pipe *pipe, void *ctx, u32 paddr) * Guts of ath10k_ce_completed_recv_next. * The caller takes responsibility for any necessary locking. */ -static int ath10k_ce_completed_recv_next_nolock(struct ath10k_ce_pipe *ce_state, - void **per_transfer_contextp, - u32 *bufferp, - unsigned int *nbytesp, - unsigned int *transfer_idp, - unsigned int *flagsp) +int ath10k_ce_completed_recv_next_nolock(struct ath10k_ce_pipe *ce_state, + void **per_transfer_contextp, + u32 *bufferp, + unsigned int *nbytesp, + unsigned int *transfer_idp, + unsigned int *flagsp) { struct ath10k_ce_ring *dest_ring = ce_state->dest_ring; unsigned int nentries_mask = dest_ring->nentries_mask; @@ -576,11 +576,11 @@ int ath10k_ce_revoke_recv_next(struct ath10k_ce_pipe *ce_state, * Guts of ath10k_ce_completed_send_next. * The caller takes responsibility for any necessary locking. */ -static int ath10k_ce_completed_send_next_nolock(struct ath10k_ce_pipe *ce_state, - void **per_transfer_contextp, - u32 *bufferp, - unsigned int *nbytesp, - unsigned int *transfer_idp) +int ath10k_ce_completed_send_next_nolock(struct ath10k_ce_pipe *ce_state, + void **per_transfer_contextp, + u32 *bufferp, + unsigned int *nbytesp, + unsigned int *transfer_idp) { struct ath10k_ce_ring *src_ring = ce_state->src_ring; u32 ctrl_addr = ce_state->ctrl_addr; diff --git a/drivers/net/wireless/ath/ath10k/ce.h b/drivers/net/wireless/ath/ath10k/ce.h index 329b7340fa72..608262ab964e 100644 --- a/drivers/net/wireless/ath/ath10k/ce.h +++ b/drivers/net/wireless/ath/ath10k/ce.h @@ -192,6 +192,12 @@ int ath10k_ce_completed_send_next(struct ath10k_ce_pipe *ce_state, unsigned int *nbytesp, unsigned int *transfer_idp); +int ath10k_ce_completed_send_next_nolock(struct ath10k_ce_pipe *ce_state, + void **per_transfer_contextp, + u32 *bufferp, + unsigned int *nbytesp, + unsigned int *transfer_idp); + /*==================CE Engine Initialization=======================*/ int ath10k_ce_init_pipe(struct ath10k *ar, unsigned int ce_id, @@ -213,6 +219,13 @@ int ath10k_ce_revoke_recv_next(struct ath10k_ce_pipe *ce_state, void **per_transfer_contextp, u32 *bufferp); +int ath10k_ce_completed_recv_next_nolock(struct ath10k_ce_pipe *ce_state, + void **per_transfer_contextp, + u32 *bufferp, + unsigned int *nbytesp, + unsigned int *transfer_idp, + unsigned int *flagsp); + /* * Support clean shutdown by allowing the caller to cancel * pending sends. Target DMA must be stopped before using diff --git a/drivers/net/wireless/ath/ath10k/hif.h b/drivers/net/wireless/ath/ath10k/hif.h index 62323fea27e1..30301f5b6051 100644 --- a/drivers/net/wireless/ath/ath10k/hif.h +++ b/drivers/net/wireless/ath/ath10k/hif.h @@ -43,6 +43,10 @@ struct ath10k_hif_ops { int (*tx_sg)(struct ath10k *ar, u8 pipe_id, struct ath10k_hif_sg_item *items, int n_items); + /* read firmware memory through the diagnose interface */ + int (*diag_read)(struct ath10k *ar, u32 address, void *buf, + size_t buf_len); + /* * API to handle HIF-specific BMI message exchanges, this API is * synchronous and only allowed to be called from a context that @@ -98,6 +102,12 @@ static inline int ath10k_hif_tx_sg(struct ath10k *ar, u8 pipe_id, return ar->hif.ops->tx_sg(ar, pipe_id, items, n_items); } +static inline int ath10k_hif_diag_read(struct ath10k *ar, u32 address, void *buf, + size_t buf_len) +{ + return ar->hif.ops->diag_read(ar, address, buf, buf_len); +} + static inline int ath10k_hif_exchange_bmi_msg(struct ath10k *ar, void *request, u32 request_len, void *response, u32 *response_len) diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c index 8319d83bb9a8..ae961c6ff74e 100644 --- a/drivers/net/wireless/ath/ath10k/pci.c +++ b/drivers/net/wireless/ath/ath10k/pci.c @@ -485,6 +485,8 @@ static int ath10k_pci_diag_read_mem(struct ath10k *ar, u32 address, void *data, void *data_buf = NULL; int i; + spin_lock_bh(&ar_pci->ce_lock); + ce_diag = ar_pci->ce_diag; /* @@ -511,7 +513,7 @@ static int ath10k_pci_diag_read_mem(struct ath10k *ar, u32 address, void *data, nbytes = min_t(unsigned int, remaining_bytes, DIAG_TRANSFER_LIMIT); - ret = ath10k_ce_rx_post_buf(ce_diag, NULL, ce_data); + ret = __ath10k_ce_rx_post_buf(ce_diag, NULL, ce_data); if (ret != 0) goto done; @@ -527,15 +529,15 @@ static int ath10k_pci_diag_read_mem(struct ath10k *ar, u32 address, void *data, address = TARG_CPU_SPACE_TO_CE_SPACE(ar, ar_pci->mem, address); - ret = ath10k_ce_send(ce_diag, NULL, (u32)address, nbytes, 0, - 0); + ret = ath10k_ce_send_nolock(ce_diag, NULL, (u32)address, nbytes, 0, + 0); if (ret) goto done; i = 0; - while (ath10k_ce_completed_send_next(ce_diag, NULL, &buf, - &completed_nbytes, - &id) != 0) { + while (ath10k_ce_completed_send_next_nolock(ce_diag, NULL, &buf, + &completed_nbytes, + &id) != 0) { mdelay(1); if (i++ > DIAG_ACCESS_CE_TIMEOUT_MS) { ret = -EBUSY; @@ -554,9 +556,9 @@ static int ath10k_pci_diag_read_mem(struct ath10k *ar, u32 address, void *data, } i = 0; - while (ath10k_ce_completed_recv_next(ce_diag, NULL, &buf, - &completed_nbytes, - &id, &flags) != 0) { + while (ath10k_ce_completed_recv_next_nolock(ce_diag, NULL, &buf, + &completed_nbytes, + &id, &flags) != 0) { mdelay(1); if (i++ > DIAG_ACCESS_CE_TIMEOUT_MS) { @@ -591,6 +593,8 @@ done: dma_free_coherent(ar->dev, orig_nbytes, data_buf, ce_data_base); + spin_unlock_bh(&ar_pci->ce_lock); + return ret; } @@ -648,6 +652,8 @@ static int ath10k_pci_diag_write_mem(struct ath10k *ar, u32 address, dma_addr_t ce_data_base = 0; int i; + spin_lock_bh(&ar_pci->ce_lock); + ce_diag = ar_pci->ce_diag; /* @@ -688,7 +694,7 @@ static int ath10k_pci_diag_write_mem(struct ath10k *ar, u32 address, nbytes = min_t(int, remaining_bytes, DIAG_TRANSFER_LIMIT); /* Set up to receive directly into Target(!) address */ - ret = ath10k_ce_rx_post_buf(ce_diag, NULL, address); + ret = __ath10k_ce_rx_post_buf(ce_diag, NULL, address); if (ret != 0) goto done; @@ -696,15 +702,15 @@ static int ath10k_pci_diag_write_mem(struct ath10k *ar, u32 address, * Request CE to send caller-supplied data that * was copied to bounce buffer to Target(!) address. */ - ret = ath10k_ce_send(ce_diag, NULL, (u32)ce_data, - nbytes, 0, 0); + ret = ath10k_ce_send_nolock(ce_diag, NULL, (u32)ce_data, + nbytes, 0, 0); if (ret != 0) goto done; i = 0; - while (ath10k_ce_completed_send_next(ce_diag, NULL, &buf, - &completed_nbytes, - &id) != 0) { + while (ath10k_ce_completed_send_next_nolock(ce_diag, NULL, &buf, + &completed_nbytes, + &id) != 0) { mdelay(1); if (i++ > DIAG_ACCESS_CE_TIMEOUT_MS) { @@ -724,9 +730,9 @@ static int ath10k_pci_diag_write_mem(struct ath10k *ar, u32 address, } i = 0; - while (ath10k_ce_completed_recv_next(ce_diag, NULL, &buf, - &completed_nbytes, - &id, &flags) != 0) { + while (ath10k_ce_completed_recv_next_nolock(ce_diag, NULL, &buf, + &completed_nbytes, + &id, &flags) != 0) { mdelay(1); if (i++ > DIAG_ACCESS_CE_TIMEOUT_MS) { @@ -760,6 +766,8 @@ done: ath10k_warn(ar, "failed to write diag value at 0x%x: %d\n", address, ret); + spin_unlock_bh(&ar_pci->ce_lock); + return ret; } @@ -942,6 +950,12 @@ err: return err; } +static int ath10k_pci_hif_diag_read(struct ath10k *ar, u32 address, void *buf, + size_t buf_len) +{ + return ath10k_pci_diag_read_mem(ar, address, buf, buf_len); +} + static u16 ath10k_pci_hif_get_free_queue_number(struct ath10k *ar, u8 pipe) { struct ath10k_pci *ar_pci = ath10k_pci_priv(ar); @@ -1927,6 +1941,7 @@ static int ath10k_pci_hif_resume(struct ath10k *ar) static const struct ath10k_hif_ops ath10k_pci_hif_ops = { .tx_sg = ath10k_pci_hif_tx_sg, + .diag_read = ath10k_pci_hif_diag_read, .exchange_bmi_msg = ath10k_pci_hif_exchange_bmi_msg, .start = ath10k_pci_hif_start, .stop = ath10k_pci_hif_stop, From 7869b4faf53e9d25212b17fcbc59dce22324fce7 Mon Sep 17 00:00:00 2001 From: Kalle Valo Date: Wed, 24 Sep 2014 14:16:58 +0300 Subject: [PATCH 16/45] ath10k: add cal_data debugfs file Provide calibration data used by the firmware to user space via a debugfs file. This makes it easier to debug calibration related problems. Example: sudo cp /sys/kernel/debug/ieee80211/phy0/ath10k/cal_data 1.cal Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/debug.c | 82 +++++++++++++++++++++++++ drivers/net/wireless/ath/ath10k/hw.h | 2 + 2 files changed, 84 insertions(+) diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c index 5e001de7aafe..22b4888444c9 100644 --- a/drivers/net/wireless/ath/ath10k/debug.c +++ b/drivers/net/wireless/ath/ath10k/debug.c @@ -23,6 +23,7 @@ #include "core.h" #include "debug.h" +#include "hif.h" /* ms */ #define ATH10K_DEBUG_HTT_STATS_INTERVAL 1000 @@ -1041,6 +1042,84 @@ static const struct file_operations fops_fw_dbglog = { .llseek = default_llseek, }; +static int ath10k_debug_cal_data_open(struct inode *inode, struct file *file) +{ + struct ath10k *ar = inode->i_private; + void *buf; + u32 hi_addr; + __le32 addr; + int ret; + + mutex_lock(&ar->conf_mutex); + + if (ar->state != ATH10K_STATE_ON && + ar->state != ATH10K_STATE_UTF) { + ret = -ENETDOWN; + goto err; + } + + buf = vmalloc(QCA988X_CAL_DATA_LEN); + if (!buf) { + ret = -ENOMEM; + goto err; + } + + hi_addr = host_interest_item_address(HI_ITEM(hi_board_data)); + + ret = ath10k_hif_diag_read(ar, hi_addr, &addr, sizeof(addr)); + if (ret) { + ath10k_warn(ar, "failed to read hi_board_data address: %d\n", ret); + goto err_vfree; + } + + ret = ath10k_hif_diag_read(ar, le32_to_cpu(addr), buf, + QCA988X_CAL_DATA_LEN); + if (ret) { + ath10k_warn(ar, "failed to read calibration data: %d\n", ret); + goto err_vfree; + } + + file->private_data = buf; + + mutex_unlock(&ar->conf_mutex); + + return 0; + +err_vfree: + vfree(buf); + +err: + mutex_unlock(&ar->conf_mutex); + + return ret; +} + +static ssize_t ath10k_debug_cal_data_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + void *buf = file->private_data; + + return simple_read_from_buffer(user_buf, count, ppos, + buf, QCA988X_CAL_DATA_LEN); +} + +static int ath10k_debug_cal_data_release(struct inode *inode, + struct file *file) +{ + vfree(file->private_data); + + return 0; +} + +static const struct file_operations fops_cal_data = { + .open = ath10k_debug_cal_data_open, + .read = ath10k_debug_cal_data_read, + .release = ath10k_debug_cal_data_release, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + int ath10k_debug_start(struct ath10k *ar) { int ret; @@ -1214,6 +1293,9 @@ int ath10k_debug_register(struct ath10k *ar) debugfs_create_file("fw_dbglog", S_IRUSR, ar->debug.debugfs_phy, ar, &fops_fw_dbglog); + debugfs_create_file("cal_data", S_IRUSR, ar->debug.debugfs_phy, + ar, &fops_cal_data); + if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED)) { debugfs_create_file("dfs_simulate_radar", S_IWUSR, ar->debug.debugfs_phy, ar, diff --git a/drivers/net/wireless/ath/ath10k/hw.h b/drivers/net/wireless/ath/ath10k/hw.h index 3cf5702c1e7e..006a9cbc60b2 100644 --- a/drivers/net/wireless/ath/ath10k/hw.h +++ b/drivers/net/wireless/ath/ath10k/hw.h @@ -43,6 +43,8 @@ #define REG_DUMP_COUNT_QCA988X 60 +#define QCA988X_CAL_DATA_LEN 2116 + struct ath10k_fw_ie { __le32 id; __le32 len; From babcb3edd942927091ef5e5b284ffc657c652023 Mon Sep 17 00:00:00 2001 From: Joe Perches Date: Mon, 22 Sep 2014 10:35:34 -0700 Subject: [PATCH 17/45] ath: change logging functions to return void The return values are not used by callers of these functions so change the functions to return void. Other miscellanea: o add __printf verification to wil6210 logging functions No format/argument mismatches found Acked-by: Vladimir Kondratiev Signed-off-by: Joe Perches Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/debug.c | 18 ++++---------- drivers/net/wireless/ath/ath10k/debug.h | 6 ++--- drivers/net/wireless/ath/ath6kl/common.h | 2 +- drivers/net/wireless/ath/ath6kl/debug.c | 28 +++++++--------------- drivers/net/wireless/ath/ath6kl/debug.h | 13 +++++----- drivers/net/wireless/ath/wil6210/debug.c | 14 ++++------- drivers/net/wireless/ath/wil6210/wil6210.h | 7 ++++-- 7 files changed, 32 insertions(+), 56 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c index 22b4888444c9..5d44a4320ad0 100644 --- a/drivers/net/wireless/ath/ath10k/debug.c +++ b/drivers/net/wireless/ath/ath10k/debug.c @@ -107,21 +107,18 @@ struct ath10k_dump_file_data { u8 data[0]; } __packed; -int ath10k_info(struct ath10k *ar, const char *fmt, ...) +void ath10k_info(struct ath10k *ar, const char *fmt, ...) { struct va_format vaf = { .fmt = fmt, }; va_list args; - int ret; va_start(args, fmt); vaf.va = &args; - ret = dev_info(ar->dev, "%pV", &vaf); + dev_info(ar->dev, "%pV", &vaf); trace_ath10k_log_info(ar, &vaf); va_end(args); - - return ret; } EXPORT_SYMBOL(ath10k_info); @@ -148,25 +145,22 @@ void ath10k_print_driver_info(struct ath10k *ar) } EXPORT_SYMBOL(ath10k_print_driver_info); -int ath10k_err(struct ath10k *ar, const char *fmt, ...) +void ath10k_err(struct ath10k *ar, const char *fmt, ...) { struct va_format vaf = { .fmt = fmt, }; va_list args; - int ret; va_start(args, fmt); vaf.va = &args; - ret = dev_err(ar->dev, "%pV", &vaf); + dev_err(ar->dev, "%pV", &vaf); trace_ath10k_log_err(ar, &vaf); va_end(args); - - return ret; } EXPORT_SYMBOL(ath10k_err); -int ath10k_warn(struct ath10k *ar, const char *fmt, ...) +void ath10k_warn(struct ath10k *ar, const char *fmt, ...) { struct va_format vaf = { .fmt = fmt, @@ -179,8 +173,6 @@ int ath10k_warn(struct ath10k *ar, const char *fmt, ...) trace_ath10k_log_warn(ar, &vaf); va_end(args); - - return 0; } EXPORT_SYMBOL(ath10k_warn); diff --git a/drivers/net/wireless/ath/ath10k/debug.h b/drivers/net/wireless/ath/ath10k/debug.h index d6276fea1adf..4ae0d8030dce 100644 --- a/drivers/net/wireless/ath/ath10k/debug.h +++ b/drivers/net/wireless/ath/ath10k/debug.h @@ -40,9 +40,9 @@ enum ath10k_debug_mask { extern unsigned int ath10k_debug_mask; -__printf(2, 3) int ath10k_info(struct ath10k *ar, const char *fmt, ...); -__printf(2, 3) int ath10k_err(struct ath10k *ar, const char *fmt, ...); -__printf(2, 3) int ath10k_warn(struct ath10k *ar, const char *fmt, ...); +__printf(2, 3) void ath10k_info(struct ath10k *ar, const char *fmt, ...); +__printf(2, 3) void ath10k_err(struct ath10k *ar, const char *fmt, ...); +__printf(2, 3) void ath10k_warn(struct ath10k *ar, const char *fmt, ...); void ath10k_print_driver_info(struct ath10k *ar); #ifdef CONFIG_ATH10K_DEBUGFS diff --git a/drivers/net/wireless/ath/ath6kl/common.h b/drivers/net/wireless/ath/ath6kl/common.h index 05debf700a84..4f82e8632d37 100644 --- a/drivers/net/wireless/ath/ath6kl/common.h +++ b/drivers/net/wireless/ath/ath6kl/common.h @@ -22,7 +22,7 @@ #define ATH6KL_MAX_IE 256 -__printf(2, 3) int ath6kl_printk(const char *level, const char *fmt, ...); +__printf(2, 3) void ath6kl_printk(const char *level, const char *fmt, ...); /* * Reflects the version of binary interface exposed by ATH6KL target diff --git a/drivers/net/wireless/ath/ath6kl/debug.c b/drivers/net/wireless/ath/ath6kl/debug.c index 55c4064dd506..81ba48d2938b 100644 --- a/drivers/net/wireless/ath/ath6kl/debug.c +++ b/drivers/net/wireless/ath/ath6kl/debug.c @@ -37,76 +37,64 @@ struct ath6kl_fwlog_slot { #define ATH6KL_FWLOG_VALID_MASK 0x1ffff -int ath6kl_printk(const char *level, const char *fmt, ...) +void ath6kl_printk(const char *level, const char *fmt, ...) { struct va_format vaf; va_list args; - int rtn; va_start(args, fmt); vaf.fmt = fmt; vaf.va = &args; - rtn = printk("%sath6kl: %pV", level, &vaf); + printk("%sath6kl: %pV", level, &vaf); va_end(args); - - return rtn; } EXPORT_SYMBOL(ath6kl_printk); -int ath6kl_info(const char *fmt, ...) +void ath6kl_info(const char *fmt, ...) { struct va_format vaf = { .fmt = fmt, }; va_list args; - int ret; va_start(args, fmt); vaf.va = &args; - ret = ath6kl_printk(KERN_INFO, "%pV", &vaf); + ath6kl_printk(KERN_INFO, "%pV", &vaf); trace_ath6kl_log_info(&vaf); va_end(args); - - return ret; } EXPORT_SYMBOL(ath6kl_info); -int ath6kl_err(const char *fmt, ...) +void ath6kl_err(const char *fmt, ...) { struct va_format vaf = { .fmt = fmt, }; va_list args; - int ret; va_start(args, fmt); vaf.va = &args; - ret = ath6kl_printk(KERN_ERR, "%pV", &vaf); + ath6kl_printk(KERN_ERR, "%pV", &vaf); trace_ath6kl_log_err(&vaf); va_end(args); - - return ret; } EXPORT_SYMBOL(ath6kl_err); -int ath6kl_warn(const char *fmt, ...) +void ath6kl_warn(const char *fmt, ...) { struct va_format vaf = { .fmt = fmt, }; va_list args; - int ret; va_start(args, fmt); vaf.va = &args; - ret = ath6kl_printk(KERN_WARNING, "%pV", &vaf); + ath6kl_printk(KERN_WARNING, "%pV", &vaf); trace_ath6kl_log_warn(&vaf); va_end(args); - - return ret; } EXPORT_SYMBOL(ath6kl_warn); diff --git a/drivers/net/wireless/ath/ath6kl/debug.h b/drivers/net/wireless/ath/ath6kl/debug.h index e194c10d9f00..19106ed28961 100644 --- a/drivers/net/wireless/ath/ath6kl/debug.h +++ b/drivers/net/wireless/ath/ath6kl/debug.h @@ -50,10 +50,10 @@ enum ATH6K_DEBUG_MASK { }; extern unsigned int debug_mask; -__printf(2, 3) int ath6kl_printk(const char *level, const char *fmt, ...); -__printf(1, 2) int ath6kl_info(const char *fmt, ...); -__printf(1, 2) int ath6kl_err(const char *fmt, ...); -__printf(1, 2) int ath6kl_warn(const char *fmt, ...); +__printf(2, 3) void ath6kl_printk(const char *level, const char *fmt, ...); +__printf(1, 2) void ath6kl_info(const char *fmt, ...); +__printf(1, 2) void ath6kl_err(const char *fmt, ...); +__printf(1, 2) void ath6kl_warn(const char *fmt, ...); enum ath6kl_war { ATH6KL_WAR_INVALID_RATE, @@ -81,10 +81,9 @@ int ath6kl_debug_init_fs(struct ath6kl *ar); void ath6kl_debug_cleanup(struct ath6kl *ar); #else -static inline int ath6kl_dbg(enum ATH6K_DEBUG_MASK dbg_mask, - const char *fmt, ...) +static inline void ath6kl_dbg(enum ATH6K_DEBUG_MASK dbg_mask, + const char *fmt, ...) { - return 0; } static inline void ath6kl_dbg_dump(enum ATH6K_DEBUG_MASK mask, diff --git a/drivers/net/wireless/ath/wil6210/debug.c b/drivers/net/wireless/ath/wil6210/debug.c index 9eeabf4a5879..7a925ac291be 100644 --- a/drivers/net/wireless/ath/wil6210/debug.c +++ b/drivers/net/wireless/ath/wil6210/debug.c @@ -17,40 +17,34 @@ #include "wil6210.h" #include "trace.h" -int wil_err(struct wil6210_priv *wil, const char *fmt, ...) +void wil_err(struct wil6210_priv *wil, const char *fmt, ...) { struct net_device *ndev = wil_to_ndev(wil); struct va_format vaf = { .fmt = fmt, }; va_list args; - int ret; va_start(args, fmt); vaf.va = &args; - ret = netdev_err(ndev, "%pV", &vaf); + netdev_err(ndev, "%pV", &vaf); trace_wil6210_log_err(&vaf); va_end(args); - - return ret; } -int wil_info(struct wil6210_priv *wil, const char *fmt, ...) +void wil_info(struct wil6210_priv *wil, const char *fmt, ...) { struct net_device *ndev = wil_to_ndev(wil); struct va_format vaf = { .fmt = fmt, }; va_list args; - int ret; va_start(args, fmt); vaf.va = &args; - ret = netdev_info(ndev, "%pV", &vaf); + netdev_info(ndev, "%pV", &vaf); trace_wil6210_log_info(&vaf); va_end(args); - - return ret; } int wil_dbg_trace(struct wil6210_priv *wil, const char *fmt, ...) diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h index f8718fe547c4..1300b5505151 100644 --- a/drivers/net/wireless/ath/wil6210/wil6210.h +++ b/drivers/net/wireless/ath/wil6210/wil6210.h @@ -436,9 +436,12 @@ struct wil6210_priv { #define wil_to_ndev(i) (wil_to_wdev(i)->netdev) #define ndev_to_wil(n) (wdev_to_wil(n->ieee80211_ptr)) +__printf(2, 3) int wil_dbg_trace(struct wil6210_priv *wil, const char *fmt, ...); -int wil_err(struct wil6210_priv *wil, const char *fmt, ...); -int wil_info(struct wil6210_priv *wil, const char *fmt, ...); +__printf(2, 3) +void wil_err(struct wil6210_priv *wil, const char *fmt, ...); +__printf(2, 3) +void wil_info(struct wil6210_priv *wil, const char *fmt, ...); #define wil_dbg(wil, fmt, arg...) do { \ netdev_dbg(wil_to_ndev(wil), fmt, ##arg); \ wil_dbg_trace(wil, fmt, ##arg); \ From d15fb52006645f9ef1f62313ba19ef29d1a12bf9 Mon Sep 17 00:00:00 2001 From: Michal Kazior Date: Thu, 25 Sep 2014 12:33:47 +0200 Subject: [PATCH 18/45] ath10k: split wmi stats parsing The parsing function was rather complex. Simplify by splitting it up into firmware branch specific implementations. While at it move the parsing code into wmi.c where it belongs. Signed-off-by: Michal Kazior Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/debug.c | 129 ++---------------- drivers/net/wireless/ath/ath10k/debug.h | 5 +- drivers/net/wireless/ath/ath10k/wmi.c | 165 +++++++++++++++++++++++- drivers/net/wireless/ath/ath10k/wmi.h | 24 ++-- 4 files changed, 181 insertions(+), 142 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c index 5d44a4320ad0..906319f49ca2 100644 --- a/drivers/net/wireless/ath/ath10k/debug.c +++ b/drivers/net/wireless/ath/ath10k/debug.c @@ -239,133 +239,22 @@ static const struct file_operations fops_wmi_services = { .llseek = default_llseek, }; -void ath10k_debug_read_target_stats(struct ath10k *ar, - struct wmi_stats_event *ev) +void ath10k_debug_read_target_stats(struct ath10k *ar, struct sk_buff *skb) { - u8 *tmp = ev->data; - struct ath10k_target_stats *stats; - int num_pdev_stats, num_vdev_stats, num_peer_stats; - struct wmi_pdev_stats_10x *ps; - int i; + int ret; spin_lock_bh(&ar->data_lock); - stats = &ar->debug.target_stats; - - num_pdev_stats = __le32_to_cpu(ev->num_pdev_stats); /* 0 or 1 */ - num_vdev_stats = __le32_to_cpu(ev->num_vdev_stats); /* 0 or max vdevs */ - num_peer_stats = __le32_to_cpu(ev->num_peer_stats); /* 0 or max peers */ - - if (num_pdev_stats) { - ps = (struct wmi_pdev_stats_10x *)tmp; - - stats->ch_noise_floor = __le32_to_cpu(ps->chan_nf); - stats->tx_frame_count = __le32_to_cpu(ps->tx_frame_count); - stats->rx_frame_count = __le32_to_cpu(ps->rx_frame_count); - stats->rx_clear_count = __le32_to_cpu(ps->rx_clear_count); - stats->cycle_count = __le32_to_cpu(ps->cycle_count); - stats->phy_err_count = __le32_to_cpu(ps->phy_err_count); - stats->chan_tx_power = __le32_to_cpu(ps->chan_tx_pwr); - - stats->comp_queued = __le32_to_cpu(ps->wal.tx.comp_queued); - stats->comp_delivered = - __le32_to_cpu(ps->wal.tx.comp_delivered); - stats->msdu_enqued = __le32_to_cpu(ps->wal.tx.msdu_enqued); - stats->mpdu_enqued = __le32_to_cpu(ps->wal.tx.mpdu_enqued); - stats->wmm_drop = __le32_to_cpu(ps->wal.tx.wmm_drop); - stats->local_enqued = __le32_to_cpu(ps->wal.tx.local_enqued); - stats->local_freed = __le32_to_cpu(ps->wal.tx.local_freed); - stats->hw_queued = __le32_to_cpu(ps->wal.tx.hw_queued); - stats->hw_reaped = __le32_to_cpu(ps->wal.tx.hw_reaped); - stats->underrun = __le32_to_cpu(ps->wal.tx.underrun); - stats->tx_abort = __le32_to_cpu(ps->wal.tx.tx_abort); - stats->mpdus_requed = __le32_to_cpu(ps->wal.tx.mpdus_requed); - stats->tx_ko = __le32_to_cpu(ps->wal.tx.tx_ko); - stats->data_rc = __le32_to_cpu(ps->wal.tx.data_rc); - stats->self_triggers = __le32_to_cpu(ps->wal.tx.self_triggers); - stats->sw_retry_failure = - __le32_to_cpu(ps->wal.tx.sw_retry_failure); - stats->illgl_rate_phy_err = - __le32_to_cpu(ps->wal.tx.illgl_rate_phy_err); - stats->pdev_cont_xretry = - __le32_to_cpu(ps->wal.tx.pdev_cont_xretry); - stats->pdev_tx_timeout = - __le32_to_cpu(ps->wal.tx.pdev_tx_timeout); - stats->pdev_resets = __le32_to_cpu(ps->wal.tx.pdev_resets); - stats->phy_underrun = __le32_to_cpu(ps->wal.tx.phy_underrun); - stats->txop_ovf = __le32_to_cpu(ps->wal.tx.txop_ovf); - - stats->mid_ppdu_route_change = - __le32_to_cpu(ps->wal.rx.mid_ppdu_route_change); - stats->status_rcvd = __le32_to_cpu(ps->wal.rx.status_rcvd); - stats->r0_frags = __le32_to_cpu(ps->wal.rx.r0_frags); - stats->r1_frags = __le32_to_cpu(ps->wal.rx.r1_frags); - stats->r2_frags = __le32_to_cpu(ps->wal.rx.r2_frags); - stats->r3_frags = __le32_to_cpu(ps->wal.rx.r3_frags); - stats->htt_msdus = __le32_to_cpu(ps->wal.rx.htt_msdus); - stats->htt_mpdus = __le32_to_cpu(ps->wal.rx.htt_mpdus); - stats->loc_msdus = __le32_to_cpu(ps->wal.rx.loc_msdus); - stats->loc_mpdus = __le32_to_cpu(ps->wal.rx.loc_mpdus); - stats->oversize_amsdu = - __le32_to_cpu(ps->wal.rx.oversize_amsdu); - stats->phy_errs = __le32_to_cpu(ps->wal.rx.phy_errs); - stats->phy_err_drop = __le32_to_cpu(ps->wal.rx.phy_err_drop); - stats->mpdu_errs = __le32_to_cpu(ps->wal.rx.mpdu_errs); - - if (test_bit(ATH10K_FW_FEATURE_WMI_10X, - ar->fw_features)) { - stats->ack_rx_bad = __le32_to_cpu(ps->ack_rx_bad); - stats->rts_bad = __le32_to_cpu(ps->rts_bad); - stats->rts_good = __le32_to_cpu(ps->rts_good); - stats->fcs_bad = __le32_to_cpu(ps->fcs_bad); - stats->no_beacons = __le32_to_cpu(ps->no_beacons); - stats->mib_int_count = __le32_to_cpu(ps->mib_int_count); - tmp += sizeof(struct wmi_pdev_stats_10x); - } else { - tmp += sizeof(struct wmi_pdev_stats_old); - } + ret = ath10k_wmi_pull_fw_stats(ar, skb, &ar->debug.target_stats); + if (ret) { + ath10k_warn(ar, "failed to pull fw stats: %d\n", ret); + goto unlock; } - /* 0 or max vdevs */ - /* Currently firmware does not support VDEV stats */ - if (num_vdev_stats) { - struct wmi_vdev_stats *vdev_stats; - - for (i = 0; i < num_vdev_stats; i++) { - vdev_stats = (struct wmi_vdev_stats *)tmp; - tmp += sizeof(struct wmi_vdev_stats); - } - } - - if (num_peer_stats) { - struct wmi_peer_stats_10x *peer_stats; - struct ath10k_peer_stat *s; - - stats->peers = num_peer_stats; - - for (i = 0; i < num_peer_stats; i++) { - peer_stats = (struct wmi_peer_stats_10x *)tmp; - s = &stats->peer_stat[i]; - - memcpy(s->peer_macaddr, &peer_stats->peer_macaddr.addr, - ETH_ALEN); - s->peer_rssi = __le32_to_cpu(peer_stats->peer_rssi); - s->peer_tx_rate = - __le32_to_cpu(peer_stats->peer_tx_rate); - if (test_bit(ATH10K_FW_FEATURE_WMI_10X, - ar->fw_features)) { - s->peer_rx_rate = - __le32_to_cpu(peer_stats->peer_rx_rate); - tmp += sizeof(struct wmi_peer_stats_10x); - - } else { - tmp += sizeof(struct wmi_peer_stats_old); - } - } - } - - spin_unlock_bh(&ar->data_lock); complete(&ar->debug.event_stats_compl); + +unlock: + spin_unlock_bh(&ar->data_lock); } static ssize_t ath10k_read_fw_stats(struct file *file, char __user *user_buf, diff --git a/drivers/net/wireless/ath/ath10k/debug.h b/drivers/net/wireless/ath/ath10k/debug.h index 4ae0d8030dce..8d8b68eb04e6 100644 --- a/drivers/net/wireless/ath/ath10k/debug.h +++ b/drivers/net/wireless/ath/ath10k/debug.h @@ -55,8 +55,7 @@ void ath10k_debug_unregister(struct ath10k *ar); void ath10k_debug_read_service_map(struct ath10k *ar, const void *service_map, size_t map_size); -void ath10k_debug_read_target_stats(struct ath10k *ar, - struct wmi_stats_event *ev); +void ath10k_debug_read_target_stats(struct ath10k *ar, struct sk_buff *skb); struct ath10k_fw_crash_data * ath10k_debug_get_new_fw_crash_data(struct ath10k *ar); @@ -99,7 +98,7 @@ static inline void ath10k_debug_read_service_map(struct ath10k *ar, } static inline void ath10k_debug_read_target_stats(struct ath10k *ar, - struct wmi_stats_event *ev) + struct sk_buff *skb) { } diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index bfc1fb3708c5..8e2d0217686d 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -1329,14 +1329,171 @@ static int ath10k_wmi_event_debug_mesg(struct ath10k *ar, struct sk_buff *skb) return 0; } +static void ath10k_wmi_pull_pdev_stats(const struct wmi_pdev_stats *src, + struct ath10k_target_stats *dst) +{ + const struct wal_dbg_tx_stats *tx = &src->wal.tx; + const struct wal_dbg_rx_stats *rx = &src->wal.rx; + + dst->ch_noise_floor = __le32_to_cpu(src->chan_nf); + dst->tx_frame_count = __le32_to_cpu(src->tx_frame_count); + dst->rx_frame_count = __le32_to_cpu(src->rx_frame_count); + dst->rx_clear_count = __le32_to_cpu(src->rx_clear_count); + dst->cycle_count = __le32_to_cpu(src->cycle_count); + dst->phy_err_count = __le32_to_cpu(src->phy_err_count); + dst->chan_tx_power = __le32_to_cpu(src->chan_tx_pwr); + + dst->comp_queued = __le32_to_cpu(tx->comp_queued); + dst->comp_delivered = __le32_to_cpu(tx->comp_delivered); + dst->msdu_enqued = __le32_to_cpu(tx->msdu_enqued); + dst->mpdu_enqued = __le32_to_cpu(tx->mpdu_enqued); + dst->wmm_drop = __le32_to_cpu(tx->wmm_drop); + dst->local_enqued = __le32_to_cpu(tx->local_enqued); + dst->local_freed = __le32_to_cpu(tx->local_freed); + dst->hw_queued = __le32_to_cpu(tx->hw_queued); + dst->hw_reaped = __le32_to_cpu(tx->hw_reaped); + dst->underrun = __le32_to_cpu(tx->underrun); + dst->tx_abort = __le32_to_cpu(tx->tx_abort); + dst->mpdus_requed = __le32_to_cpu(tx->mpdus_requed); + dst->tx_ko = __le32_to_cpu(tx->tx_ko); + dst->data_rc = __le32_to_cpu(tx->data_rc); + dst->self_triggers = __le32_to_cpu(tx->self_triggers); + dst->sw_retry_failure = __le32_to_cpu(tx->sw_retry_failure); + dst->illgl_rate_phy_err = __le32_to_cpu(tx->illgl_rate_phy_err); + dst->pdev_cont_xretry = __le32_to_cpu(tx->pdev_cont_xretry); + dst->pdev_tx_timeout = __le32_to_cpu(tx->pdev_tx_timeout); + dst->pdev_resets = __le32_to_cpu(tx->pdev_resets); + dst->phy_underrun = __le32_to_cpu(tx->phy_underrun); + dst->txop_ovf = __le32_to_cpu(tx->txop_ovf); + + dst->mid_ppdu_route_change = __le32_to_cpu(rx->mid_ppdu_route_change); + dst->status_rcvd = __le32_to_cpu(rx->status_rcvd); + dst->r0_frags = __le32_to_cpu(rx->r0_frags); + dst->r1_frags = __le32_to_cpu(rx->r1_frags); + dst->r2_frags = __le32_to_cpu(rx->r2_frags); + dst->r3_frags = __le32_to_cpu(rx->r3_frags); + dst->htt_msdus = __le32_to_cpu(rx->htt_msdus); + dst->htt_mpdus = __le32_to_cpu(rx->htt_mpdus); + dst->loc_msdus = __le32_to_cpu(rx->loc_msdus); + dst->loc_mpdus = __le32_to_cpu(rx->loc_mpdus); + dst->oversize_amsdu = __le32_to_cpu(rx->oversize_amsdu); + dst->phy_errs = __le32_to_cpu(rx->phy_errs); + dst->phy_err_drop = __le32_to_cpu(rx->phy_err_drop); + dst->mpdu_errs = __le32_to_cpu(rx->mpdu_errs); +} + +static void ath10k_wmi_pull_peer_stats(const struct wmi_peer_stats *src, + struct ath10k_peer_stat *dst) +{ + ether_addr_copy(dst->peer_macaddr, src->peer_macaddr.addr); + dst->peer_rssi = __le32_to_cpu(src->peer_rssi); + dst->peer_tx_rate = __le32_to_cpu(src->peer_tx_rate); +} + +static int ath10k_wmi_main_pull_fw_stats(struct ath10k *ar, + struct sk_buff *skb, + struct ath10k_target_stats *stats) +{ + const struct wmi_stats_event *ev = (void *)skb->data; + u32 num_pdev_stats, num_vdev_stats, num_peer_stats; + int i; + + if (!skb_pull(skb, sizeof(*ev))) + return -EPROTO; + + num_pdev_stats = __le32_to_cpu(ev->num_pdev_stats); + num_vdev_stats = __le32_to_cpu(ev->num_vdev_stats); + num_peer_stats = __le32_to_cpu(ev->num_peer_stats); + + if (num_pdev_stats) { + const struct wmi_pdev_stats *src; + + src = (void *)skb->data; + if (!skb_pull(skb, sizeof(*src))) + return -EPROTO; + + ath10k_wmi_pull_pdev_stats(src, stats); + } + + /* fw doesn't implement vdev stats */ + + for (i = 0; i < num_peer_stats; i++) { + const struct wmi_peer_stats *src; + + src = (void *)skb->data; + if (!skb_pull(skb, sizeof(*src))) + return -EPROTO; + + ath10k_wmi_pull_peer_stats(src, &stats->peer_stat[i]); + } + + return 0; +} + +static int ath10k_wmi_10x_pull_fw_stats(struct ath10k *ar, + struct sk_buff *skb, + struct ath10k_target_stats *stats) +{ + const struct wmi_stats_event *ev = (void *)skb->data; + u32 num_pdev_stats, num_vdev_stats, num_peer_stats; + int i; + + if (!skb_pull(skb, sizeof(*ev))) + return -EPROTO; + + num_pdev_stats = __le32_to_cpu(ev->num_pdev_stats); + num_vdev_stats = __le32_to_cpu(ev->num_vdev_stats); + num_peer_stats = __le32_to_cpu(ev->num_peer_stats); + + if (num_pdev_stats) { + const struct wmi_10x_pdev_stats *src; + + src = (void *)skb->data; + if (!skb_pull(skb, sizeof(*src))) + return -EPROTO; + + ath10k_wmi_pull_pdev_stats(&src->old, stats); + + stats->ack_rx_bad = __le32_to_cpu(src->ack_rx_bad); + stats->rts_bad = __le32_to_cpu(src->rts_bad); + stats->rts_good = __le32_to_cpu(src->rts_good); + stats->fcs_bad = __le32_to_cpu(src->fcs_bad); + stats->no_beacons = __le32_to_cpu(src->no_beacons); + stats->mib_int_count = __le32_to_cpu(src->mib_int_count); + } + + /* fw doesn't implement vdev stats */ + + for (i = 0; i < num_peer_stats; i++) { + const struct wmi_10x_peer_stats *src; + + src = (void *)skb->data; + if (!skb_pull(skb, sizeof(*src))) + return -EPROTO; + + ath10k_wmi_pull_peer_stats(&src->old, &stats->peer_stat[i]); + + stats->peer_stat[i].peer_rx_rate = + __le32_to_cpu(src->peer_rx_rate); + } + + return 0; +} + +int ath10k_wmi_pull_fw_stats(struct ath10k *ar, struct sk_buff *skb, + struct ath10k_target_stats *stats) +{ + if (test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) + return ath10k_wmi_10x_pull_fw_stats(ar, skb, stats); + else + return ath10k_wmi_main_pull_fw_stats(ar, skb, stats); +} + static void ath10k_wmi_event_update_stats(struct ath10k *ar, struct sk_buff *skb) { - struct wmi_stats_event *ev = (struct wmi_stats_event *)skb->data; - ath10k_dbg(ar, ATH10K_DBG_WMI, "WMI_UPDATE_STATS_EVENTID\n"); - - ath10k_debug_read_target_stats(ar, ev); + ath10k_debug_read_target_stats(ar, skb); } static void ath10k_wmi_event_vdev_start_resp(struct ath10k *ar, diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h index 55d8317ce1a5..4ce8e3c9ca81 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.h +++ b/drivers/net/wireless/ath/ath10k/wmi.h @@ -3021,7 +3021,7 @@ struct wmi_stats_event { * PDEV statistics * TODO: add all PDEV stats here */ -struct wmi_pdev_stats_old { +struct wmi_pdev_stats { __le32 chan_nf; /* Channel noise floor */ __le32 tx_frame_count; /* TX frame count */ __le32 rx_frame_count; /* RX frame count */ @@ -3032,15 +3032,8 @@ struct wmi_pdev_stats_old { struct wal_dbg_stats wal; /* WAL dbg stats */ } __packed; -struct wmi_pdev_stats_10x { - __le32 chan_nf; /* Channel noise floor */ - __le32 tx_frame_count; /* TX frame count */ - __le32 rx_frame_count; /* RX frame count */ - __le32 rx_clear_count; /* rx clear count */ - __le32 cycle_count; /* cycle count */ - __le32 phy_err_count; /* Phy error count */ - __le32 chan_tx_pwr; /* channel tx power */ - struct wal_dbg_stats wal; /* WAL dbg stats */ +struct wmi_10x_pdev_stats { + struct wmi_pdev_stats old; __le32 ack_rx_bad; __le32 rts_bad; __le32 rts_good; @@ -3061,16 +3054,14 @@ struct wmi_vdev_stats { * peer statistics. * TODO: add more stats */ -struct wmi_peer_stats_old { +struct wmi_peer_stats { struct wmi_mac_addr peer_macaddr; __le32 peer_rssi; __le32 peer_tx_rate; } __packed; -struct wmi_peer_stats_10x { - struct wmi_mac_addr peer_macaddr; - __le32 peer_rssi; - __le32 peer_tx_rate; +struct wmi_10x_peer_stats { + struct wmi_peer_stats old; __le32 peer_rx_rate; } __packed; @@ -4582,6 +4573,7 @@ struct wmi_svc_rdy_ev_arg { struct ath10k; struct ath10k_vif; +struct ath10k_target_stats; int ath10k_wmi_attach(struct ath10k *ar); void ath10k_wmi_detach(struct ath10k *ar); @@ -4653,5 +4645,7 @@ int ath10k_wmi_force_fw_hang(struct ath10k *ar, enum wmi_force_fw_hang_type type, u32 delay_ms); int ath10k_wmi_mgmt_tx(struct ath10k *ar, struct sk_buff *skb); int ath10k_wmi_dbglog_cfg(struct ath10k *ar, u32 module_enable); +int ath10k_wmi_pull_fw_stats(struct ath10k *ar, struct sk_buff *skb, + struct ath10k_target_stats *stats); #endif /* _WMI_H_ */ From 60ef401aaec79c7d110ed825c083421e62e83f3c Mon Sep 17 00:00:00 2001 From: Michal Kazior Date: Thu, 25 Sep 2014 12:33:48 +0200 Subject: [PATCH 19/45] ath10k: rename fw_stats related stuff The naming was a bit inconsistent. Signed-off-by: Michal Kazior Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/core.h | 11 +++++------ drivers/net/wireless/ath/ath10k/debug.c | 18 +++++++++--------- drivers/net/wireless/ath/ath10k/debug.h | 6 +++--- drivers/net/wireless/ath/ath10k/wmi.c | 12 ++++++------ drivers/net/wireless/ath/ath10k/wmi.h | 4 ++-- 5 files changed, 25 insertions(+), 26 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h index 8a997b6e11c3..082a8dad9938 100644 --- a/drivers/net/wireless/ath/ath10k/core.h +++ b/drivers/net/wireless/ath/ath10k/core.h @@ -116,14 +116,14 @@ struct ath10k_wmi { struct ath10k_mem_chunk mem_chunks[WMI_MAX_MEM_REQS]; }; -struct ath10k_peer_stat { +struct ath10k_fw_stats_peer { u8 peer_macaddr[ETH_ALEN]; u32 peer_rssi; u32 peer_tx_rate; u32 peer_rx_rate; /* 10x only */ }; -struct ath10k_target_stats { +struct ath10k_fw_stats { /* PDEV stats */ s32 ch_noise_floor; u32 tx_frame_count; @@ -183,7 +183,7 @@ struct ath10k_target_stats { /* PEER STATS */ u8 peers; - struct ath10k_peer_stat peer_stat[TARGET_NUM_PEERS]; + struct ath10k_fw_stats_peer peer_stat[TARGET_NUM_PEERS]; /* TODO: Beacon filter stats */ @@ -292,11 +292,10 @@ struct ath10k_fw_crash_data { struct ath10k_debug { struct dentry *debugfs_phy; - struct ath10k_target_stats target_stats; + struct ath10k_fw_stats fw_stats; + struct completion fw_stats_complete; DECLARE_BITMAP(wmi_service_bitmap, WMI_SERVICE_MAX); - struct completion event_stats_compl; - unsigned long htt_stats_mask; struct delayed_work htt_stats_dwork; struct ath10k_dfs_stats dfs_stats; diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c index 906319f49ca2..9e85533a8ba5 100644 --- a/drivers/net/wireless/ath/ath10k/debug.c +++ b/drivers/net/wireless/ath/ath10k/debug.c @@ -239,29 +239,29 @@ static const struct file_operations fops_wmi_services = { .llseek = default_llseek, }; -void ath10k_debug_read_target_stats(struct ath10k *ar, struct sk_buff *skb) +void ath10k_debug_fw_stats_process(struct ath10k *ar, struct sk_buff *skb) { int ret; spin_lock_bh(&ar->data_lock); - ret = ath10k_wmi_pull_fw_stats(ar, skb, &ar->debug.target_stats); + ret = ath10k_wmi_pull_fw_stats(ar, skb, &ar->debug.fw_stats); if (ret) { ath10k_warn(ar, "failed to pull fw stats: %d\n", ret); goto unlock; } - complete(&ar->debug.event_stats_compl); + complete(&ar->debug.fw_stats_complete); unlock: spin_unlock_bh(&ar->data_lock); } -static ssize_t ath10k_read_fw_stats(struct file *file, char __user *user_buf, +static ssize_t ath10k_fw_stats_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct ath10k *ar = file->private_data; - struct ath10k_target_stats *fw_stats; + struct ath10k_fw_stats *fw_stats; char *buf = NULL; unsigned int len = 0, buf_len = 8000; ssize_t ret_cnt = 0; @@ -269,7 +269,7 @@ static ssize_t ath10k_read_fw_stats(struct file *file, char __user *user_buf, int i; int ret; - fw_stats = &ar->debug.target_stats; + fw_stats = &ar->debug.fw_stats; mutex_lock(&ar->conf_mutex); @@ -286,7 +286,7 @@ static ssize_t ath10k_read_fw_stats(struct file *file, char __user *user_buf, goto exit; } - left = wait_for_completion_timeout(&ar->debug.event_stats_compl, 1*HZ); + left = wait_for_completion_timeout(&ar->debug.fw_stats_complete, 1*HZ); if (left <= 0) goto exit; @@ -445,7 +445,7 @@ exit: } static const struct file_operations fops_fw_stats = { - .read = ath10k_read_fw_stats, + .read = ath10k_fw_stats_read, .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, @@ -1147,7 +1147,7 @@ int ath10k_debug_register(struct ath10k *ar) INIT_DELAYED_WORK(&ar->debug.htt_stats_dwork, ath10k_debug_htt_stats_dwork); - init_completion(&ar->debug.event_stats_compl); + init_completion(&ar->debug.fw_stats_complete); debugfs_create_file("fw_stats", S_IRUSR, ar->debug.debugfs_phy, ar, &fops_fw_stats); diff --git a/drivers/net/wireless/ath/ath10k/debug.h b/drivers/net/wireless/ath/ath10k/debug.h index 8d8b68eb04e6..efbcd29fe9a1 100644 --- a/drivers/net/wireless/ath/ath10k/debug.h +++ b/drivers/net/wireless/ath/ath10k/debug.h @@ -55,7 +55,7 @@ void ath10k_debug_unregister(struct ath10k *ar); void ath10k_debug_read_service_map(struct ath10k *ar, const void *service_map, size_t map_size); -void ath10k_debug_read_target_stats(struct ath10k *ar, struct sk_buff *skb); +void ath10k_debug_fw_stats_process(struct ath10k *ar, struct sk_buff *skb); struct ath10k_fw_crash_data * ath10k_debug_get_new_fw_crash_data(struct ath10k *ar); @@ -97,8 +97,8 @@ static inline void ath10k_debug_read_service_map(struct ath10k *ar, { } -static inline void ath10k_debug_read_target_stats(struct ath10k *ar, - struct sk_buff *skb) +static inline void ath10k_debug_fw_stats_process(struct ath10k *ar, + struct sk_buff *skb) { } diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index 8e2d0217686d..c4640aac55d5 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -1330,7 +1330,7 @@ static int ath10k_wmi_event_debug_mesg(struct ath10k *ar, struct sk_buff *skb) } static void ath10k_wmi_pull_pdev_stats(const struct wmi_pdev_stats *src, - struct ath10k_target_stats *dst) + struct ath10k_fw_stats *dst) { const struct wal_dbg_tx_stats *tx = &src->wal.tx; const struct wal_dbg_rx_stats *rx = &src->wal.rx; @@ -1383,7 +1383,7 @@ static void ath10k_wmi_pull_pdev_stats(const struct wmi_pdev_stats *src, } static void ath10k_wmi_pull_peer_stats(const struct wmi_peer_stats *src, - struct ath10k_peer_stat *dst) + struct ath10k_fw_stats_peer *dst) { ether_addr_copy(dst->peer_macaddr, src->peer_macaddr.addr); dst->peer_rssi = __le32_to_cpu(src->peer_rssi); @@ -1392,7 +1392,7 @@ static void ath10k_wmi_pull_peer_stats(const struct wmi_peer_stats *src, static int ath10k_wmi_main_pull_fw_stats(struct ath10k *ar, struct sk_buff *skb, - struct ath10k_target_stats *stats) + struct ath10k_fw_stats *stats) { const struct wmi_stats_event *ev = (void *)skb->data; u32 num_pdev_stats, num_vdev_stats, num_peer_stats; @@ -1432,7 +1432,7 @@ static int ath10k_wmi_main_pull_fw_stats(struct ath10k *ar, static int ath10k_wmi_10x_pull_fw_stats(struct ath10k *ar, struct sk_buff *skb, - struct ath10k_target_stats *stats) + struct ath10k_fw_stats *stats) { const struct wmi_stats_event *ev = (void *)skb->data; u32 num_pdev_stats, num_vdev_stats, num_peer_stats; @@ -1481,7 +1481,7 @@ static int ath10k_wmi_10x_pull_fw_stats(struct ath10k *ar, } int ath10k_wmi_pull_fw_stats(struct ath10k *ar, struct sk_buff *skb, - struct ath10k_target_stats *stats) + struct ath10k_fw_stats *stats) { if (test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) return ath10k_wmi_10x_pull_fw_stats(ar, skb, stats); @@ -1493,7 +1493,7 @@ static void ath10k_wmi_event_update_stats(struct ath10k *ar, struct sk_buff *skb) { ath10k_dbg(ar, ATH10K_DBG_WMI, "WMI_UPDATE_STATS_EVENTID\n"); - ath10k_debug_read_target_stats(ar, skb); + ath10k_debug_fw_stats_process(ar, skb); } static void ath10k_wmi_event_vdev_start_resp(struct ath10k *ar, diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h index 4ce8e3c9ca81..6243dbe756ea 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.h +++ b/drivers/net/wireless/ath/ath10k/wmi.h @@ -4573,7 +4573,7 @@ struct wmi_svc_rdy_ev_arg { struct ath10k; struct ath10k_vif; -struct ath10k_target_stats; +struct ath10k_fw_stats; int ath10k_wmi_attach(struct ath10k *ar); void ath10k_wmi_detach(struct ath10k *ar); @@ -4646,6 +4646,6 @@ int ath10k_wmi_force_fw_hang(struct ath10k *ar, int ath10k_wmi_mgmt_tx(struct ath10k *ar, struct sk_buff *skb); int ath10k_wmi_dbglog_cfg(struct ath10k *ar, u32 module_enable); int ath10k_wmi_pull_fw_stats(struct ath10k *ar, struct sk_buff *skb, - struct ath10k_target_stats *stats); + struct ath10k_fw_stats *stats); #endif /* _WMI_H_ */ From fb2e9c0cc7e4e855c86e29f1c15b46d696a0c6c3 Mon Sep 17 00:00:00 2001 From: Michal Kazior Date: Thu, 25 Sep 2014 12:33:49 +0200 Subject: [PATCH 20/45] ath10k: request fw_stats once on open Stats were requested and processed for each read call. This caused inconsistent readings. Signed-off-by: Michal Kazior Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/debug.c | 110 +++++++++++++++++------- 1 file changed, 79 insertions(+), 31 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c index 9e85533a8ba5..1ca1fedcf25e 100644 --- a/drivers/net/wireless/ath/ath10k/debug.c +++ b/drivers/net/wireless/ath/ath10k/debug.c @@ -257,38 +257,35 @@ unlock: spin_unlock_bh(&ar->data_lock); } -static ssize_t ath10k_fw_stats_read(struct file *file, char __user *user_buf, - size_t count, loff_t *ppos) +static int ath10k_fw_stats_request(struct ath10k *ar) { - struct ath10k *ar = file->private_data; - struct ath10k_fw_stats *fw_stats; - char *buf = NULL; - unsigned int len = 0, buf_len = 8000; - ssize_t ret_cnt = 0; - long left; - int i; int ret; - fw_stats = &ar->debug.fw_stats; - - mutex_lock(&ar->conf_mutex); - - if (ar->state != ATH10K_STATE_ON) - goto exit; - - buf = kzalloc(buf_len, GFP_KERNEL); - if (!buf) - goto exit; + lockdep_assert_held(&ar->conf_mutex); ret = ath10k_wmi_request_stats(ar, WMI_REQUEST_PEER_STAT); if (ret) { - ath10k_warn(ar, "could not request stats (%d)\n", ret); - goto exit; + ath10k_warn(ar, "failed to fw stat request command: %d\n", ret); + return ret; } - left = wait_for_completion_timeout(&ar->debug.fw_stats_complete, 1*HZ); - if (left <= 0) - goto exit; + ret = wait_for_completion_timeout(&ar->debug.fw_stats_complete, 1*HZ); + if (ret <= 0) + return -ETIMEDOUT; + + return 0; +} + +/* FIXME: How to calculate the buffer size sanely? */ +#define ATH10K_FW_STATS_BUF_SIZE (1024*1024) + +static void ath10k_fw_stats_fill(struct ath10k *ar, + struct ath10k_fw_stats *fw_stats, + char *buf) +{ + unsigned int len = 0; + unsigned int buf_len = ATH10K_FW_STATS_BUF_SIZE; + int i; spin_lock_bh(&ar->data_lock); len += scnprintf(buf + len, buf_len - len, "\n"); @@ -433,20 +430,71 @@ static ssize_t ath10k_fw_stats_read(struct file *file, char __user *user_buf, } spin_unlock_bh(&ar->data_lock); - if (len > buf_len) - len = buf_len; + if (len >= buf_len) + buf[len - 1] = 0; + else + buf[len] = 0; +} - ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len); +static int ath10k_fw_stats_open(struct inode *inode, struct file *file) +{ + struct ath10k *ar = inode->i_private; + void *buf = NULL; + int ret; + + mutex_lock(&ar->conf_mutex); + + if (ar->state != ATH10K_STATE_ON) { + ret = -ENETDOWN; + goto err_unlock; + } + + buf = vmalloc(ATH10K_FW_STATS_BUF_SIZE); + if (!buf) { + ret = -ENOMEM; + goto err_unlock; + } + + ret = ath10k_fw_stats_request(ar); + if (ret) { + ath10k_warn(ar, "failed to request fw stats: %d\n", ret); + goto err_free; + } + + ath10k_fw_stats_fill(ar, &ar->debug.fw_stats, buf); + file->private_data = buf; -exit: mutex_unlock(&ar->conf_mutex); - kfree(buf); - return ret_cnt; + return 0; + +err_free: + vfree(buf); + +err_unlock: + mutex_unlock(&ar->conf_mutex); + return ret; +} + +static int ath10k_fw_stats_release(struct inode *inode, struct file *file) +{ + vfree(file->private_data); + + return 0; +} + +static ssize_t ath10k_fw_stats_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + const char *buf = file->private_data; + unsigned int len = strlen(buf); + + return simple_read_from_buffer(user_buf, count, ppos, buf, len); } static const struct file_operations fops_fw_stats = { + .open = ath10k_fw_stats_open, + .release = ath10k_fw_stats_release, .read = ath10k_fw_stats_read, - .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; From 5326849a866991eef86452fb6a108dd320b92173 Mon Sep 17 00:00:00 2001 From: Michal Kazior Date: Thu, 25 Sep 2014 12:33:50 +0200 Subject: [PATCH 21/45] ath10k: fix fw stats processing If stat data exceeds wmi-htc buffer limits firmware splits it into many wmi stats update events which are delivered in a ping-pong fashion triggered by wmi stats request command. Since there's only an implicit start-of-data and no end-of-data indications the driver has to perform some trickery to get complete stat data. kvalo: use %zu to fix a compiler warning and fix a typo in a comment Signed-off-by: Michal Kazior Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/core.h | 19 +- drivers/net/wireless/ath/ath10k/debug.c | 273 ++++++++++++++++++------ drivers/net/wireless/ath/ath10k/wmi.c | 55 +++-- 3 files changed, 252 insertions(+), 95 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h index 082a8dad9938..674e38c219e6 100644 --- a/drivers/net/wireless/ath/ath10k/core.h +++ b/drivers/net/wireless/ath/ath10k/core.h @@ -117,13 +117,17 @@ struct ath10k_wmi { }; struct ath10k_fw_stats_peer { + struct list_head list; + u8 peer_macaddr[ETH_ALEN]; u32 peer_rssi; u32 peer_tx_rate; u32 peer_rx_rate; /* 10x only */ }; -struct ath10k_fw_stats { +struct ath10k_fw_stats_pdev { + struct list_head list; + /* PDEV stats */ s32 ch_noise_floor; u32 tx_frame_count; @@ -178,15 +182,11 @@ struct ath10k_fw_stats { s32 phy_errs; s32 phy_err_drop; s32 mpdu_errs; +}; - /* VDEV STATS */ - - /* PEER STATS */ - u8 peers; - struct ath10k_fw_stats_peer peer_stat[TARGET_NUM_PEERS]; - - /* TODO: Beacon filter stats */ - +struct ath10k_fw_stats { + struct list_head pdevs; + struct list_head peers; }; struct ath10k_dfs_stats { @@ -294,6 +294,7 @@ struct ath10k_debug { struct ath10k_fw_stats fw_stats; struct completion fw_stats_complete; + bool fw_stats_done; DECLARE_BITMAP(wmi_service_bitmap, WMI_SERVICE_MAX); unsigned long htt_stats_mask; diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c index 1ca1fedcf25e..680d5088b6f3 100644 --- a/drivers/net/wireless/ath/ath10k/debug.c +++ b/drivers/net/wireless/ath/ath10k/debug.c @@ -239,39 +239,154 @@ static const struct file_operations fops_wmi_services = { .llseek = default_llseek, }; +static void ath10k_debug_fw_stats_pdevs_free(struct list_head *head) +{ + struct ath10k_fw_stats_pdev *i, *tmp; + + list_for_each_entry_safe(i, tmp, head, list) { + list_del(&i->list); + kfree(i); + } +} + +static void ath10k_debug_fw_stats_peers_free(struct list_head *head) +{ + struct ath10k_fw_stats_peer *i, *tmp; + + list_for_each_entry_safe(i, tmp, head, list) { + list_del(&i->list); + kfree(i); + } +} + +static void ath10k_debug_fw_stats_reset(struct ath10k *ar) +{ + spin_lock_bh(&ar->data_lock); + ar->debug.fw_stats_done = false; + ath10k_debug_fw_stats_pdevs_free(&ar->debug.fw_stats.pdevs); + ath10k_debug_fw_stats_peers_free(&ar->debug.fw_stats.peers); + spin_unlock_bh(&ar->data_lock); +} + +static size_t ath10k_debug_fw_stats_num_peers(struct list_head *head) +{ + struct ath10k_fw_stats_peer *i; + size_t num = 0; + + list_for_each_entry(i, head, list) + ++num; + + return num; +} + void ath10k_debug_fw_stats_process(struct ath10k *ar, struct sk_buff *skb) { + struct ath10k_fw_stats stats = {}; + bool is_start, is_started, is_end; + size_t num_peers; int ret; - spin_lock_bh(&ar->data_lock); + INIT_LIST_HEAD(&stats.pdevs); + INIT_LIST_HEAD(&stats.peers); - ret = ath10k_wmi_pull_fw_stats(ar, skb, &ar->debug.fw_stats); + spin_lock_bh(&ar->data_lock); + ret = ath10k_wmi_pull_fw_stats(ar, skb, &stats); if (ret) { ath10k_warn(ar, "failed to pull fw stats: %d\n", ret); goto unlock; } + /* Stat data may exceed htc-wmi buffer limit. In such case firmware + * splits the stats data and delivers it in a ping-pong fashion of + * request cmd-update event. + * + * However there is no explicit end-of-data. Instead start-of-data is + * used as an implicit one. This works as follows: + * a) discard stat update events until one with pdev stats is + * delivered - this skips session started at end of (b) + * b) consume stat update events until another one with pdev stats is + * delivered which is treated as end-of-data and is itself discarded + */ + + if (ar->debug.fw_stats_done) { + ath10k_warn(ar, "received unsolicited stats update event\n"); + goto free; + } + + num_peers = ath10k_debug_fw_stats_num_peers(&ar->debug.fw_stats.peers); + is_start = (list_empty(&ar->debug.fw_stats.pdevs) && + !list_empty(&stats.pdevs)); + is_end = (!list_empty(&ar->debug.fw_stats.pdevs) && + !list_empty(&stats.pdevs)); + + if (is_start) + list_splice_tail_init(&stats.pdevs, &ar->debug.fw_stats.pdevs); + + if (is_end) + ar->debug.fw_stats_done = true; + + is_started = !list_empty(&ar->debug.fw_stats.pdevs); + + if (is_started && !is_end) { + if (num_peers >= ATH10K_MAX_NUM_PEER_IDS) { + /* Although this is unlikely impose a sane limit to + * prevent firmware from DoS-ing the host. + */ + ath10k_warn(ar, "dropping fw peer stats\n"); + goto free; + } + + list_splice_tail_init(&stats.peers, &ar->debug.fw_stats.peers); + } + complete(&ar->debug.fw_stats_complete); +free: + /* In some cases lists have been spliced and cleared. Free up + * resources if that is not the case. + */ + ath10k_debug_fw_stats_pdevs_free(&stats.pdevs); + ath10k_debug_fw_stats_peers_free(&stats.peers); + unlock: spin_unlock_bh(&ar->data_lock); } -static int ath10k_fw_stats_request(struct ath10k *ar) +static int ath10k_debug_fw_stats_request(struct ath10k *ar) { + unsigned long timeout; int ret; lockdep_assert_held(&ar->conf_mutex); - ret = ath10k_wmi_request_stats(ar, WMI_REQUEST_PEER_STAT); - if (ret) { - ath10k_warn(ar, "failed to fw stat request command: %d\n", ret); - return ret; - } + timeout = jiffies + msecs_to_jiffies(1*HZ); - ret = wait_for_completion_timeout(&ar->debug.fw_stats_complete, 1*HZ); - if (ret <= 0) - return -ETIMEDOUT; + ath10k_debug_fw_stats_reset(ar); + + for (;;) { + if (time_after(jiffies, timeout)) + return -ETIMEDOUT; + + reinit_completion(&ar->debug.fw_stats_complete); + + ret = ath10k_wmi_request_stats(ar, WMI_REQUEST_PEER_STAT); + if (ret) { + ath10k_warn(ar, "could not request stats (%d)\n", ret); + return ret; + } + + ret = wait_for_completion_timeout(&ar->debug.fw_stats_complete, + 1*HZ); + if (ret <= 0) + return -ETIMEDOUT; + + spin_lock_bh(&ar->data_lock); + if (ar->debug.fw_stats_done) { + spin_unlock_bh(&ar->data_lock); + break; + } + spin_unlock_bh(&ar->data_lock); + } return 0; } @@ -285,9 +400,21 @@ static void ath10k_fw_stats_fill(struct ath10k *ar, { unsigned int len = 0; unsigned int buf_len = ATH10K_FW_STATS_BUF_SIZE; - int i; + const struct ath10k_fw_stats_pdev *pdev; + const struct ath10k_fw_stats_peer *peer; + size_t num_peers; spin_lock_bh(&ar->data_lock); + + pdev = list_first_entry_or_null(&fw_stats->pdevs, + struct ath10k_fw_stats_pdev, list); + if (!pdev) { + ath10k_warn(ar, "failed to get pdev stats\n"); + goto unlock; + } + + num_peers = ath10k_debug_fw_stats_num_peers(&fw_stats->peers); + len += scnprintf(buf + len, buf_len - len, "\n"); len += scnprintf(buf + len, buf_len - len, "%30s\n", "ath10k PDEV stats"); @@ -295,29 +422,29 @@ static void ath10k_fw_stats_fill(struct ath10k *ar, "================="); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "Channel noise floor", fw_stats->ch_noise_floor); + "Channel noise floor", pdev->ch_noise_floor); len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", - "Channel TX power", fw_stats->chan_tx_power); + "Channel TX power", pdev->chan_tx_power); len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", - "TX frame count", fw_stats->tx_frame_count); + "TX frame count", pdev->tx_frame_count); len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", - "RX frame count", fw_stats->rx_frame_count); + "RX frame count", pdev->rx_frame_count); len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", - "RX clear count", fw_stats->rx_clear_count); + "RX clear count", pdev->rx_clear_count); len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", - "Cycle count", fw_stats->cycle_count); + "Cycle count", pdev->cycle_count); len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", - "PHY error count", fw_stats->phy_err_count); + "PHY error count", pdev->phy_err_count); len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", - "RTS bad count", fw_stats->rts_bad); + "RTS bad count", pdev->rts_bad); len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", - "RTS good count", fw_stats->rts_good); + "RTS good count", pdev->rts_good); len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", - "FCS bad count", fw_stats->fcs_bad); + "FCS bad count", pdev->fcs_bad); len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", - "No beacon count", fw_stats->no_beacons); + "No beacon count", pdev->no_beacons); len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", - "MIB int count", fw_stats->mib_int_count); + "MIB int count", pdev->mib_int_count); len += scnprintf(buf + len, buf_len - len, "\n"); len += scnprintf(buf + len, buf_len - len, "%30s\n", @@ -326,51 +453,51 @@ static void ath10k_fw_stats_fill(struct ath10k *ar, "================="); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "HTT cookies queued", fw_stats->comp_queued); + "HTT cookies queued", pdev->comp_queued); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "HTT cookies disp.", fw_stats->comp_delivered); + "HTT cookies disp.", pdev->comp_delivered); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "MSDU queued", fw_stats->msdu_enqued); + "MSDU queued", pdev->msdu_enqued); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "MPDU queued", fw_stats->mpdu_enqued); + "MPDU queued", pdev->mpdu_enqued); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "MSDUs dropped", fw_stats->wmm_drop); + "MSDUs dropped", pdev->wmm_drop); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "Local enqued", fw_stats->local_enqued); + "Local enqued", pdev->local_enqued); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "Local freed", fw_stats->local_freed); + "Local freed", pdev->local_freed); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "HW queued", fw_stats->hw_queued); + "HW queued", pdev->hw_queued); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "PPDUs reaped", fw_stats->hw_reaped); + "PPDUs reaped", pdev->hw_reaped); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "Num underruns", fw_stats->underrun); + "Num underruns", pdev->underrun); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "PPDUs cleaned", fw_stats->tx_abort); + "PPDUs cleaned", pdev->tx_abort); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "MPDUs requed", fw_stats->mpdus_requed); + "MPDUs requed", pdev->mpdus_requed); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "Excessive retries", fw_stats->tx_ko); + "Excessive retries", pdev->tx_ko); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "HW rate", fw_stats->data_rc); + "HW rate", pdev->data_rc); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "Sched self tiggers", fw_stats->self_triggers); + "Sched self tiggers", pdev->self_triggers); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", "Dropped due to SW retries", - fw_stats->sw_retry_failure); + pdev->sw_retry_failure); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", "Illegal rate phy errors", - fw_stats->illgl_rate_phy_err); + pdev->illgl_rate_phy_err); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "Pdev continous xretry", fw_stats->pdev_cont_xretry); + "Pdev continous xretry", pdev->pdev_cont_xretry); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "TX timeout", fw_stats->pdev_tx_timeout); + "TX timeout", pdev->pdev_tx_timeout); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "PDEV resets", fw_stats->pdev_resets); + "PDEV resets", pdev->pdev_resets); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "PHY underrun", fw_stats->phy_underrun); + "PHY underrun", pdev->phy_underrun); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "MPDU is more than txop limit", fw_stats->txop_ovf); + "MPDU is more than txop limit", pdev->txop_ovf); len += scnprintf(buf + len, buf_len - len, "\n"); len += scnprintf(buf + len, buf_len - len, "%30s\n", @@ -380,54 +507,53 @@ static void ath10k_fw_stats_fill(struct ath10k *ar, len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", "Mid PPDU route change", - fw_stats->mid_ppdu_route_change); + pdev->mid_ppdu_route_change); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "Tot. number of statuses", fw_stats->status_rcvd); + "Tot. number of statuses", pdev->status_rcvd); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "Extra frags on rings 0", fw_stats->r0_frags); + "Extra frags on rings 0", pdev->r0_frags); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "Extra frags on rings 1", fw_stats->r1_frags); + "Extra frags on rings 1", pdev->r1_frags); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "Extra frags on rings 2", fw_stats->r2_frags); + "Extra frags on rings 2", pdev->r2_frags); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "Extra frags on rings 3", fw_stats->r3_frags); + "Extra frags on rings 3", pdev->r3_frags); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "MSDUs delivered to HTT", fw_stats->htt_msdus); + "MSDUs delivered to HTT", pdev->htt_msdus); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "MPDUs delivered to HTT", fw_stats->htt_mpdus); + "MPDUs delivered to HTT", pdev->htt_mpdus); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "MSDUs delivered to stack", fw_stats->loc_msdus); + "MSDUs delivered to stack", pdev->loc_msdus); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "MPDUs delivered to stack", fw_stats->loc_mpdus); + "MPDUs delivered to stack", pdev->loc_mpdus); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "Oversized AMSUs", fw_stats->oversize_amsdu); + "Oversized AMSUs", pdev->oversize_amsdu); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "PHY errors", fw_stats->phy_errs); + "PHY errors", pdev->phy_errs); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "PHY errors drops", fw_stats->phy_err_drop); + "PHY errors drops", pdev->phy_err_drop); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "MPDU errors (FCS, MIC, ENC)", fw_stats->mpdu_errs); + "MPDU errors (FCS, MIC, ENC)", pdev->mpdu_errs); len += scnprintf(buf + len, buf_len - len, "\n"); - len += scnprintf(buf + len, buf_len - len, "%30s (%d)\n", - "ath10k PEER stats", fw_stats->peers); + len += scnprintf(buf + len, buf_len - len, "%30s (%zu)\n", + "ath10k PEER stats", num_peers); len += scnprintf(buf + len, buf_len - len, "%30s\n\n", "================="); - for (i = 0; i < fw_stats->peers; i++) { + list_for_each_entry(peer, &fw_stats->peers, list) { len += scnprintf(buf + len, buf_len - len, "%30s %pM\n", - "Peer MAC address", - fw_stats->peer_stat[i].peer_macaddr); + "Peer MAC address", peer->peer_macaddr); len += scnprintf(buf + len, buf_len - len, "%30s %u\n", - "Peer RSSI", fw_stats->peer_stat[i].peer_rssi); + "Peer RSSI", peer->peer_rssi); len += scnprintf(buf + len, buf_len - len, "%30s %u\n", - "Peer TX rate", - fw_stats->peer_stat[i].peer_tx_rate); + "Peer TX rate", peer->peer_tx_rate); len += scnprintf(buf + len, buf_len - len, "%30s %u\n", - "Peer RX rate", - fw_stats->peer_stat[i].peer_rx_rate); + "Peer RX rate", peer->peer_rx_rate); len += scnprintf(buf + len, buf_len - len, "\n"); } + +unlock: spin_unlock_bh(&ar->data_lock); if (len >= buf_len) @@ -455,7 +581,7 @@ static int ath10k_fw_stats_open(struct inode *inode, struct file *file) goto err_unlock; } - ret = ath10k_fw_stats_request(ar); + ret = ath10k_debug_fw_stats_request(ar); if (ret) { ath10k_warn(ar, "failed to request fw stats: %d\n", ret); goto err_free; @@ -1172,6 +1298,9 @@ int ath10k_debug_create(struct ath10k *ar) if (!ar->debug.fw_crash_data) return -ENOMEM; + INIT_LIST_HEAD(&ar->debug.fw_stats.pdevs); + INIT_LIST_HEAD(&ar->debug.fw_stats.peers); + return 0; } @@ -1179,6 +1308,8 @@ void ath10k_debug_destroy(struct ath10k *ar) { vfree(ar->debug.fw_crash_data); ar->debug.fw_crash_data = NULL; + + ath10k_debug_fw_stats_reset(ar); } int ath10k_debug_register(struct ath10k *ar) diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index c4640aac55d5..f65032f9ccee 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -1330,7 +1330,7 @@ static int ath10k_wmi_event_debug_mesg(struct ath10k *ar, struct sk_buff *skb) } static void ath10k_wmi_pull_pdev_stats(const struct wmi_pdev_stats *src, - struct ath10k_fw_stats *dst) + struct ath10k_fw_stats_pdev *dst) { const struct wal_dbg_tx_stats *tx = &src->wal.tx; const struct wal_dbg_rx_stats *rx = &src->wal.rx; @@ -1405,26 +1405,38 @@ static int ath10k_wmi_main_pull_fw_stats(struct ath10k *ar, num_vdev_stats = __le32_to_cpu(ev->num_vdev_stats); num_peer_stats = __le32_to_cpu(ev->num_peer_stats); - if (num_pdev_stats) { + for (i = 0; i < num_pdev_stats; i++) { const struct wmi_pdev_stats *src; + struct ath10k_fw_stats_pdev *dst; src = (void *)skb->data; if (!skb_pull(skb, sizeof(*src))) return -EPROTO; - ath10k_wmi_pull_pdev_stats(src, stats); + dst = kzalloc(sizeof(*dst), GFP_ATOMIC); + if (!dst) + continue; + + ath10k_wmi_pull_pdev_stats(src, dst); + list_add_tail(&dst->list, &stats->pdevs); } /* fw doesn't implement vdev stats */ for (i = 0; i < num_peer_stats; i++) { const struct wmi_peer_stats *src; + struct ath10k_fw_stats_peer *dst; src = (void *)skb->data; if (!skb_pull(skb, sizeof(*src))) return -EPROTO; - ath10k_wmi_pull_peer_stats(src, &stats->peer_stat[i]); + dst = kzalloc(sizeof(*dst), GFP_ATOMIC); + if (!dst) + continue; + + ath10k_wmi_pull_peer_stats(src, dst); + list_add_tail(&dst->list, &stats->peers); } return 0; @@ -1445,36 +1457,49 @@ static int ath10k_wmi_10x_pull_fw_stats(struct ath10k *ar, num_vdev_stats = __le32_to_cpu(ev->num_vdev_stats); num_peer_stats = __le32_to_cpu(ev->num_peer_stats); - if (num_pdev_stats) { + for (i = 0; i < num_pdev_stats; i++) { const struct wmi_10x_pdev_stats *src; + struct ath10k_fw_stats_pdev *dst; src = (void *)skb->data; if (!skb_pull(skb, sizeof(*src))) return -EPROTO; - ath10k_wmi_pull_pdev_stats(&src->old, stats); + dst = kzalloc(sizeof(*dst), GFP_ATOMIC); + if (!dst) + continue; - stats->ack_rx_bad = __le32_to_cpu(src->ack_rx_bad); - stats->rts_bad = __le32_to_cpu(src->rts_bad); - stats->rts_good = __le32_to_cpu(src->rts_good); - stats->fcs_bad = __le32_to_cpu(src->fcs_bad); - stats->no_beacons = __le32_to_cpu(src->no_beacons); - stats->mib_int_count = __le32_to_cpu(src->mib_int_count); + ath10k_wmi_pull_pdev_stats(&src->old, dst); + + dst->ack_rx_bad = __le32_to_cpu(src->ack_rx_bad); + dst->rts_bad = __le32_to_cpu(src->rts_bad); + dst->rts_good = __le32_to_cpu(src->rts_good); + dst->fcs_bad = __le32_to_cpu(src->fcs_bad); + dst->no_beacons = __le32_to_cpu(src->no_beacons); + dst->mib_int_count = __le32_to_cpu(src->mib_int_count); + + list_add_tail(&dst->list, &stats->pdevs); } /* fw doesn't implement vdev stats */ for (i = 0; i < num_peer_stats; i++) { const struct wmi_10x_peer_stats *src; + struct ath10k_fw_stats_peer *dst; src = (void *)skb->data; if (!skb_pull(skb, sizeof(*src))) return -EPROTO; - ath10k_wmi_pull_peer_stats(&src->old, &stats->peer_stat[i]); + dst = kzalloc(sizeof(*dst), GFP_ATOMIC); + if (!dst) + continue; - stats->peer_stat[i].peer_rx_rate = - __le32_to_cpu(src->peer_rx_rate); + ath10k_wmi_pull_peer_stats(&src->old, dst); + + dst->peer_rx_rate = __le32_to_cpu(src->peer_rx_rate); + + list_add_tail(&dst->list, &stats->peers); } return 0; From f51dbe737441b758628be4763d0c3bcad4fe000f Mon Sep 17 00:00:00 2001 From: Ben Greear Date: Mon, 29 Sep 2014 14:41:46 +0300 Subject: [PATCH 22/45] ath10k: add firmware crash counters Add three counters related to firmware crashes or resets. Usage: # cat /sys/kernel/debug/ieee80211/phy0/ath10k/fw_reset_stats fw_crash_counter 2 fw_warm_reset_counter 43 fw_cold_reset_counter 0 # kvalo: split into it's own patch, add debugfs file and add locking Signed-off-by: Ben Greear Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/core.h | 7 ++++ drivers/net/wireless/ath/ath10k/debug.c | 44 +++++++++++++++++++++++++ drivers/net/wireless/ath/ath10k/pci.c | 14 ++++++++ 3 files changed, 65 insertions(+) diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h index 674e38c219e6..5a1dc98375e1 100644 --- a/drivers/net/wireless/ath/ath10k/core.h +++ b/drivers/net/wireless/ath/ath10k/core.h @@ -563,6 +563,13 @@ struct ath10k { bool utf_monitor; } testmode; + struct { + /* protected by data_lock */ + u32 fw_crash_counter; + u32 fw_warm_reset_counter; + u32 fw_cold_reset_counter; + } stats; + /* must be last */ u8 drv_priv[0] __aligned(sizeof(void *)); }; diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c index 680d5088b6f3..8d3db1c3f4a8 100644 --- a/drivers/net/wireless/ath/ath10k/debug.c +++ b/drivers/net/wireless/ath/ath10k/debug.c @@ -625,6 +625,47 @@ static const struct file_operations fops_fw_stats = { .llseek = default_llseek, }; +static ssize_t ath10k_debug_fw_reset_stats_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath10k *ar = file->private_data; + int ret, len, buf_len; + char *buf; + + buf_len = 500; + buf = kmalloc(buf_len, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + spin_lock_bh(&ar->data_lock); + + len = 0; + len += scnprintf(buf + len, buf_len - len, + "fw_crash_counter\t\t%d\n", ar->stats.fw_crash_counter); + len += scnprintf(buf + len, buf_len - len, + "fw_warm_reset_counter\t\t%d\n", + ar->stats.fw_warm_reset_counter); + len += scnprintf(buf + len, buf_len - len, + "fw_cold_reset_counter\t\t%d\n", + ar->stats.fw_cold_reset_counter); + + spin_unlock_bh(&ar->data_lock); + + ret = simple_read_from_buffer(user_buf, count, ppos, buf, len); + + kfree(buf); + + return ret; +} + +static const struct file_operations fops_fw_reset_stats = { + .open = simple_open, + .read = ath10k_debug_fw_reset_stats_read, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + /* This is a clean assert crash in firmware. */ static int ath10k_debug_fw_assert(struct ath10k *ar) { @@ -1331,6 +1372,9 @@ int ath10k_debug_register(struct ath10k *ar) debugfs_create_file("fw_stats", S_IRUSR, ar->debug.debugfs_phy, ar, &fops_fw_stats); + debugfs_create_file("fw_reset_stats", S_IRUSR, ar->debug.debugfs_phy, + ar, &fops_fw_reset_stats); + debugfs_create_file("wmi_services", S_IRUSR, ar->debug.debugfs_phy, ar, &fops_wmi_services); diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c index ae961c6ff74e..8a04904cccee 100644 --- a/drivers/net/wireless/ath/ath10k/pci.c +++ b/drivers/net/wireless/ath/ath10k/pci.c @@ -1006,6 +1006,8 @@ static void ath10k_pci_fw_crashed_dump(struct ath10k *ar) spin_lock_bh(&ar->data_lock); + ar->stats.fw_crash_counter++; + crash_data = ath10k_debug_get_new_fw_crash_data(ar); if (crash_data) @@ -1692,6 +1694,12 @@ static int ath10k_pci_warm_reset(struct ath10k *ar) ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot warm reset\n"); + spin_lock_bh(&ar->data_lock); + + ar->stats.fw_warm_reset_counter++; + + spin_unlock_bh(&ar->data_lock); + /* debug */ val = ath10k_pci_read32(ar, SOC_CORE_BASE_ADDRESS + PCIE_INTR_CAUSE_ADDRESS); @@ -2308,6 +2316,12 @@ static int ath10k_pci_cold_reset(struct ath10k *ar) ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot cold reset\n"); + spin_lock_bh(&ar->data_lock); + + ar->stats.fw_cold_reset_counter++; + + spin_unlock_bh(&ar->data_lock); + /* Put Target, including PCIe, into RESET. */ val = ath10k_pci_reg_read32(ar, SOC_GLOBAL_RESET_ADDRESS); val |= 1; From 6cddcc7ac215a3e988ec2cbf303fb0a39220dc3b Mon Sep 17 00:00:00 2001 From: Ben Greear Date: Mon, 29 Sep 2014 14:41:46 +0300 Subject: [PATCH 23/45] ath10k: support ethtool stats Add support for reading firmware stats through the ethtool API. This may be easier for applications to manipulate compared to parsing a text based debugfs file. kvalo: remove unneeded ifdefs, call ath10k_debug_fw_stats_request() and added simple error handling Signed-off-by: Ben Greear Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/debug.c | 160 ++++++++++++++++++++++++ drivers/net/wireless/ath/ath10k/debug.h | 13 ++ drivers/net/wireless/ath/ath10k/mac.c | 3 + 3 files changed, 176 insertions(+) diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c index 8d3db1c3f4a8..2bb894f31337 100644 --- a/drivers/net/wireless/ath/ath10k/debug.c +++ b/drivers/net/wireless/ath/ath10k/debug.c @@ -1130,6 +1130,166 @@ exit: return ret; } +/* TODO: Would be nice to always support ethtool stats, would need to + * move the stats storage out of ath10k_debug, or always have ath10k_debug + * struct available.. + */ + +/* This generally cooresponds to the debugfs fw_stats file */ +static const char ath10k_gstrings_stats[][ETH_GSTRING_LEN] = { + "tx_pkts_nic", + "tx_bytes_nic", + "rx_pkts_nic", + "rx_bytes_nic", + "d_noise_floor", + "d_cycle_count", + "d_phy_error", + "d_rts_bad", + "d_rts_good", + "d_tx_power", /* in .5 dbM I think */ + "d_rx_crc_err", /* fcs_bad */ + "d_no_beacon", + "d_tx_mpdus_queued", + "d_tx_msdu_queued", + "d_tx_msdu_dropped", + "d_local_enqued", + "d_local_freed", + "d_tx_ppdu_hw_queued", + "d_tx_ppdu_reaped", + "d_tx_fifo_underrun", + "d_tx_ppdu_abort", + "d_tx_mpdu_requed", + "d_tx_excessive_retries", + "d_tx_hw_rate", + "d_tx_dropped_sw_retries", + "d_tx_illegal_rate", + "d_tx_continuous_xretries", + "d_tx_timeout", + "d_tx_mpdu_txop_limit", + "d_pdev_resets", + "d_rx_mid_ppdu_route_change", + "d_rx_status", + "d_rx_extra_frags_ring0", + "d_rx_extra_frags_ring1", + "d_rx_extra_frags_ring2", + "d_rx_extra_frags_ring3", + "d_rx_msdu_htt", + "d_rx_mpdu_htt", + "d_rx_msdu_stack", + "d_rx_mpdu_stack", + "d_rx_phy_err", + "d_rx_phy_err_drops", + "d_rx_mpdu_errors", /* FCS, MIC, ENC */ + "d_fw_crash_count", + "d_fw_warm_reset_count", + "d_fw_cold_reset_count", +}; + +#define ATH10K_SSTATS_LEN ARRAY_SIZE(ath10k_gstrings_stats) + +void ath10k_debug_get_et_strings(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + u32 sset, u8 *data) +{ + if (sset == ETH_SS_STATS) + memcpy(data, *ath10k_gstrings_stats, + sizeof(ath10k_gstrings_stats)); +} + +int ath10k_debug_get_et_sset_count(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, int sset) +{ + if (sset == ETH_SS_STATS) + return ATH10K_SSTATS_LEN; + + return 0; +} + +void ath10k_debug_get_et_stats(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ethtool_stats *stats, u64 *data) +{ + struct ath10k *ar = hw->priv; + static const struct ath10k_fw_stats_pdev zero_stats = {}; + const struct ath10k_fw_stats_pdev *pdev_stats; + int i = 0, ret; + + mutex_lock(&ar->conf_mutex); + + if (ar->state == ATH10K_STATE_ON) { + ret = ath10k_debug_fw_stats_request(ar); + if (ret) { + /* just print a warning and try to use older results */ + ath10k_warn(ar, + "failed to get fw stats for ethtool: %d\n", + ret); + } + } + + pdev_stats = list_first_entry_or_null(&ar->debug.fw_stats.pdevs, + struct ath10k_fw_stats_pdev, + list); + if (!pdev_stats) { + /* no results available so just return zeroes */ + pdev_stats = &zero_stats; + } + + spin_lock_bh(&ar->data_lock); + + data[i++] = pdev_stats->hw_reaped; /* ppdu reaped */ + data[i++] = 0; /* tx bytes */ + data[i++] = pdev_stats->htt_mpdus; + data[i++] = 0; /* rx bytes */ + data[i++] = pdev_stats->ch_noise_floor; + data[i++] = pdev_stats->cycle_count; + data[i++] = pdev_stats->phy_err_count; + data[i++] = pdev_stats->rts_bad; + data[i++] = pdev_stats->rts_good; + data[i++] = pdev_stats->chan_tx_power; + data[i++] = pdev_stats->fcs_bad; + data[i++] = pdev_stats->no_beacons; + data[i++] = pdev_stats->mpdu_enqued; + data[i++] = pdev_stats->msdu_enqued; + data[i++] = pdev_stats->wmm_drop; + data[i++] = pdev_stats->local_enqued; + data[i++] = pdev_stats->local_freed; + data[i++] = pdev_stats->hw_queued; + data[i++] = pdev_stats->hw_reaped; + data[i++] = pdev_stats->underrun; + data[i++] = pdev_stats->tx_abort; + data[i++] = pdev_stats->mpdus_requed; + data[i++] = pdev_stats->tx_ko; + data[i++] = pdev_stats->data_rc; + data[i++] = pdev_stats->sw_retry_failure; + data[i++] = pdev_stats->illgl_rate_phy_err; + data[i++] = pdev_stats->pdev_cont_xretry; + data[i++] = pdev_stats->pdev_tx_timeout; + data[i++] = pdev_stats->txop_ovf; + data[i++] = pdev_stats->pdev_resets; + data[i++] = pdev_stats->mid_ppdu_route_change; + data[i++] = pdev_stats->status_rcvd; + data[i++] = pdev_stats->r0_frags; + data[i++] = pdev_stats->r1_frags; + data[i++] = pdev_stats->r2_frags; + data[i++] = pdev_stats->r3_frags; + data[i++] = pdev_stats->htt_msdus; + data[i++] = pdev_stats->htt_mpdus; + data[i++] = pdev_stats->loc_msdus; + data[i++] = pdev_stats->loc_mpdus; + data[i++] = pdev_stats->phy_errs; + data[i++] = pdev_stats->phy_err_drop; + data[i++] = pdev_stats->mpdu_errs; + data[i++] = ar->stats.fw_crash_counter; + data[i++] = ar->stats.fw_warm_reset_counter; + data[i++] = ar->stats.fw_cold_reset_counter; + + spin_unlock_bh(&ar->data_lock); + + mutex_unlock(&ar->conf_mutex); + + WARN_ON(i != ATH10K_SSTATS_LEN); +} + static const struct file_operations fops_fw_dbglog = { .read = ath10k_read_fw_dbglog, .write = ath10k_write_fw_dbglog, diff --git a/drivers/net/wireless/ath/ath10k/debug.h b/drivers/net/wireless/ath/ath10k/debug.h index efbcd29fe9a1..d6a565d2bb74 100644 --- a/drivers/net/wireless/ath/ath10k/debug.h +++ b/drivers/net/wireless/ath/ath10k/debug.h @@ -63,6 +63,15 @@ void ath10k_debug_dbglog_add(struct ath10k *ar, u8 *buffer, int len); #define ATH10K_DFS_STAT_INC(ar, c) (ar->debug.dfs_stats.c++) +void ath10k_debug_get_et_strings(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + u32 sset, u8 *data); +int ath10k_debug_get_et_sset_count(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, int sset); +void ath10k_debug_get_et_stats(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ethtool_stats *stats, u64 *data); + #else static inline int ath10k_debug_start(struct ath10k *ar) { @@ -115,6 +124,10 @@ ath10k_debug_get_new_fw_crash_data(struct ath10k *ar) #define ATH10K_DFS_STAT_INC(ar, c) do { } while (0) +#define ath10k_debug_get_et_strings NULL +#define ath10k_debug_get_et_sset_count NULL +#define ath10k_debug_get_et_stats NULL + #endif /* CONFIG_ATH10K_DEBUGFS */ #ifdef CONFIG_ATH10K_DEBUG diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index 51b16e1ad677..a65572c3bd5c 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -4505,6 +4505,9 @@ static const struct ieee80211_ops ath10k_ops = { .sta_rc_update = ath10k_sta_rc_update, .get_tsf = ath10k_get_tsf, .ampdu_action = ath10k_ampdu_action, + .get_et_sset_count = ath10k_debug_get_et_sset_count, + .get_et_stats = ath10k_debug_get_et_stats, + .get_et_strings = ath10k_debug_get_et_strings, CFG80211_TESTMODE_CMD(ath10k_tm_cmd) From 16c1117675e20108612e1579362fdd75fa48a375 Mon Sep 17 00:00:00 2001 From: Ben Greear Date: Tue, 23 Sep 2014 14:17:16 -0700 Subject: [PATCH 24/45] ath10k: use 64-bit vdev map This can allow more than 32 stations to be supported without over-running the bitmap. Signed-off-by: Ben Greear Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/core.c | 4 ++-- drivers/net/wireless/ath/ath10k/core.h | 2 +- drivers/net/wireless/ath/ath10k/mac.c | 21 ++++++++++++--------- 3 files changed, 15 insertions(+), 12 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c index cee18c89d7f2..37e31665628c 100644 --- a/drivers/net/wireless/ath/ath10k/core.c +++ b/drivers/net/wireless/ath/ath10k/core.c @@ -846,9 +846,9 @@ int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode) goto err_hif_stop; if (test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) - ar->free_vdev_map = (1 << TARGET_10X_NUM_VDEVS) - 1; + ar->free_vdev_map = (1LL << TARGET_10X_NUM_VDEVS) - 1; else - ar->free_vdev_map = (1 << TARGET_NUM_VDEVS) - 1; + ar->free_vdev_map = (1LL << TARGET_NUM_VDEVS) - 1; INIT_LIST_HEAD(&ar->arvifs); diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h index 5a1dc98375e1..754ecc503368 100644 --- a/drivers/net/wireless/ath/ath10k/core.h +++ b/drivers/net/wireless/ath/ath10k/core.h @@ -482,7 +482,7 @@ struct ath10k { /* current operating channel definition */ struct cfg80211_chan_def chandef; - int free_vdev_map; + unsigned long long free_vdev_map; bool monitor; int monitor_vdev_id; bool monitor_started; diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index a65572c3bd5c..4a061a7e0885 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -624,9 +624,9 @@ static int ath10k_monitor_vdev_create(struct ath10k *ar) return -ENOMEM; } - bit = ffs(ar->free_vdev_map); + bit = __ffs64(ar->free_vdev_map); - ar->monitor_vdev_id = bit - 1; + ar->monitor_vdev_id = bit; ret = ath10k_wmi_vdev_create(ar, ar->monitor_vdev_id, WMI_VDEV_TYPE_MONITOR, @@ -637,7 +637,7 @@ static int ath10k_monitor_vdev_create(struct ath10k *ar) return ret; } - ar->free_vdev_map &= ~(1 << ar->monitor_vdev_id); + ar->free_vdev_map &= ~(1LL << ar->monitor_vdev_id); ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %d created\n", ar->monitor_vdev_id); @@ -657,7 +657,7 @@ static int ath10k_monitor_vdev_delete(struct ath10k *ar) return ret; } - ar->free_vdev_map |= 1 << ar->monitor_vdev_id; + ar->free_vdev_map |= 1LL << ar->monitor_vdev_id; ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %d deleted\n", ar->monitor_vdev_id); @@ -2791,9 +2791,12 @@ static int ath10k_add_interface(struct ieee80211_hw *hw, ret = -EBUSY; goto err; } - bit = ffs(ar->free_vdev_map); + bit = __ffs64(ar->free_vdev_map); - arvif->vdev_id = bit - 1; + ath10k_dbg(ar, ATH10K_DBG_MAC, "mac create vdev %i map %llx\n", + bit, ar->free_vdev_map); + + arvif->vdev_id = bit; arvif->vdev_subtype = WMI_VDEV_SUBTYPE_NONE; if (ar->p2p) @@ -2865,7 +2868,7 @@ static int ath10k_add_interface(struct ieee80211_hw *hw, goto err; } - ar->free_vdev_map &= ~(1 << arvif->vdev_id); + ar->free_vdev_map &= ~(1LL << arvif->vdev_id); list_add(&arvif->list, &ar->arvifs); vdev_param = ar->wmi.vdev_param->def_keyid; @@ -2958,7 +2961,7 @@ err_peer_delete: err_vdev_delete: ath10k_wmi_vdev_delete(ar, arvif->vdev_id); - ar->free_vdev_map |= 1 << arvif->vdev_id; + ar->free_vdev_map |= 1LL << arvif->vdev_id; list_del(&arvif->list); err: @@ -2993,7 +2996,7 @@ static void ath10k_remove_interface(struct ieee80211_hw *hw, ath10k_warn(ar, "failed to stop spectral for vdev %i: %d\n", arvif->vdev_id, ret); - ar->free_vdev_map |= 1 << arvif->vdev_id; + ar->free_vdev_map |= 1LL << arvif->vdev_id; list_del(&arvif->list); if (arvif->vdev_type == WMI_VDEV_TYPE_AP) { From 90174455ae058a1dcf1f3d344a9752385803c1d8 Mon Sep 17 00:00:00 2001 From: Rajkumar Manoharan Date: Fri, 3 Oct 2014 08:02:33 +0300 Subject: [PATCH 25/45] ath10k: add support to configure pktlog filter Add support to configure packet log filters (tx, rx, rate control) via debugfs. To disable htt pktlog events set the filters to 0. ex: To enable pktlog for all filters echo 0x1f > /sys/kernel/debug/ieee80211/phy*/ath10k/pktlog_filter To disable pktlog echo 0 > /sys/kernel/debug/ieee80211/phy*/ath10k/pktlog_filter Signed-off-by: Rajkumar Manoharan Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/core.h | 2 + drivers/net/wireless/ath/ath10k/debug.c | 85 ++++++++++++++++++++++++- drivers/net/wireless/ath/ath10k/debug.h | 9 +++ drivers/net/wireless/ath/ath10k/wmi.c | 33 ++++++++++ drivers/net/wireless/ath/ath10k/wmi.h | 6 ++ 5 files changed, 134 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h index 754ecc503368..1ac2f1466758 100644 --- a/drivers/net/wireless/ath/ath10k/core.h +++ b/drivers/net/wireless/ath/ath10k/core.h @@ -302,7 +302,9 @@ struct ath10k_debug { struct ath10k_dfs_stats dfs_stats; struct ath_dfs_pool_stats dfs_pool_stats; + /* protected by conf_mutex */ u32 fw_dbglog_mask; + u32 pktlog_filter; u8 htt_max_amsdu; u8 htt_max_ampdu; diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c index 2bb894f31337..0d94febbb360 100644 --- a/drivers/net/wireless/ath/ath10k/debug.c +++ b/drivers/net/wireless/ath/ath10k/debug.c @@ -1396,7 +1396,22 @@ int ath10k_debug_start(struct ath10k *ar) ret); } - return 0; + if (ar->debug.pktlog_filter) { + ret = ath10k_wmi_pdev_pktlog_enable(ar, + ar->debug.pktlog_filter); + if (ret) + /* not serious */ + ath10k_warn(ar, + "failed to enable pktlog filter %x: %d\n", + ar->debug.pktlog_filter, ret); + } else { + ret = ath10k_wmi_pdev_pktlog_disable(ar); + if (ret) + /* not serious */ + ath10k_warn(ar, "failed to disable pktlog: %d\n", ret); + } + + return ret; } void ath10k_debug_stop(struct ath10k *ar) @@ -1411,6 +1426,8 @@ void ath10k_debug_stop(struct ath10k *ar) ar->debug.htt_max_amsdu = 0; ar->debug.htt_max_ampdu = 0; + + ath10k_wmi_pdev_pktlog_disable(ar); } static ssize_t ath10k_write_simulate_radar(struct file *file, @@ -1493,6 +1510,69 @@ static const struct file_operations fops_dfs_stats = { .llseek = default_llseek, }; +static ssize_t ath10k_write_pktlog_filter(struct file *file, + const char __user *ubuf, + size_t count, loff_t *ppos) +{ + struct ath10k *ar = file->private_data; + u32 filter; + int ret; + + if (kstrtouint_from_user(ubuf, count, 0, &filter)) + return -EINVAL; + + mutex_lock(&ar->conf_mutex); + + if (ar->state != ATH10K_STATE_ON) { + ar->debug.pktlog_filter = filter; + ret = count; + goto out; + } + + if (filter && (filter != ar->debug.pktlog_filter)) { + ret = ath10k_wmi_pdev_pktlog_enable(ar, filter); + if (ret) { + ath10k_warn(ar, "failed to enable pktlog filter %x: %d\n", + ar->debug.pktlog_filter, ret); + goto out; + } + } else { + ret = ath10k_wmi_pdev_pktlog_disable(ar); + if (ret) { + ath10k_warn(ar, "failed to disable pktlog: %d\n", ret); + goto out; + } + } + + ar->debug.pktlog_filter = filter; + ret = count; + +out: + mutex_unlock(&ar->conf_mutex); + return ret; +} + +static ssize_t ath10k_read_pktlog_filter(struct file *file, char __user *ubuf, + size_t count, loff_t *ppos) +{ + char buf[32]; + struct ath10k *ar = file->private_data; + int len = 0; + + mutex_lock(&ar->conf_mutex); + len = scnprintf(buf, sizeof(buf) - len, "%08x\n", + ar->debug.pktlog_filter); + mutex_unlock(&ar->conf_mutex); + + return simple_read_from_buffer(ubuf, count, ppos, buf, len); +} + +static const struct file_operations fops_pktlog_filter = { + .read = ath10k_read_pktlog_filter, + .write = ath10k_write_pktlog_filter, + .open = simple_open +}; + int ath10k_debug_create(struct ath10k *ar) { ar->debug.fw_crash_data = vzalloc(sizeof(*ar->debug.fw_crash_data)); @@ -1574,6 +1654,9 @@ int ath10k_debug_register(struct ath10k *ar) &fops_dfs_stats); } + debugfs_create_file("pktlog_filter", S_IRUGO | S_IWUSR, + ar->debug.debugfs_phy, ar, &fops_pktlog_filter); + return 0; } diff --git a/drivers/net/wireless/ath/ath10k/debug.h b/drivers/net/wireless/ath/ath10k/debug.h index d6a565d2bb74..ce86ed29e119 100644 --- a/drivers/net/wireless/ath/ath10k/debug.h +++ b/drivers/net/wireless/ath/ath10k/debug.h @@ -38,6 +38,15 @@ enum ath10k_debug_mask { ATH10K_DBG_ANY = 0xffffffff, }; +enum ath10k_pktlog_filter { + ATH10K_PKTLOG_RX = 0x000000001, + ATH10K_PKTLOG_TX = 0x000000002, + ATH10K_PKTLOG_RCFIND = 0x000000004, + ATH10K_PKTLOG_RCUPDATE = 0x000000008, + ATH10K_PKTLOG_DBG_PRINT = 0x000000010, + ATH10K_PKTLOG_ANY = 0x00000001f, +}; + extern unsigned int ath10k_debug_mask; __printf(2, 3) void ath10k_info(struct ath10k *ar, const char *fmt, ...); diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index f65032f9ccee..c145b985f7a5 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -4345,6 +4345,39 @@ int ath10k_wmi_dbglog_cfg(struct ath10k *ar, u32 module_enable) return ath10k_wmi_cmd_send(ar, skb, ar->wmi.cmd->dbglog_cfg_cmdid); } +int ath10k_wmi_pdev_pktlog_enable(struct ath10k *ar, u32 ev_bitmap) +{ + struct wmi_pdev_pktlog_enable_cmd *cmd; + struct sk_buff *skb; + + skb = ath10k_wmi_alloc_skb(ar, sizeof(*cmd)); + if (!skb) + return -ENOMEM; + + ev_bitmap &= ATH10K_PKTLOG_ANY; + ath10k_dbg(ar, ATH10K_DBG_WMI, + "wmi enable pktlog filter:%x\n", ev_bitmap); + + cmd = (struct wmi_pdev_pktlog_enable_cmd *)skb->data; + cmd->ev_bitmap = __cpu_to_le32(ev_bitmap); + return ath10k_wmi_cmd_send(ar, skb, + ar->wmi.cmd->pdev_pktlog_enable_cmdid); +} + +int ath10k_wmi_pdev_pktlog_disable(struct ath10k *ar) +{ + struct sk_buff *skb; + + skb = ath10k_wmi_alloc_skb(ar, 0); + if (!skb) + return -ENOMEM; + + ath10k_dbg(ar, ATH10K_DBG_WMI, "wmi disable pktlog\n"); + + return ath10k_wmi_cmd_send(ar, skb, + ar->wmi.cmd->pdev_pktlog_disable_cmdid); +} + int ath10k_wmi_attach(struct ath10k *ar) { if (test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) { diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h index 6243dbe756ea..a38d788a6101 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.h +++ b/drivers/net/wireless/ath/ath10k/wmi.h @@ -2787,6 +2787,10 @@ struct wmi_pdev_set_channel_cmd { struct wmi_channel chan; } __packed; +struct wmi_pdev_pktlog_enable_cmd { + __le32 ev_bitmap; +} __packed; + /* Customize the DSCP (bit) to TID (0-7) mapping for QOS */ #define WMI_DSCP_MAP_MAX (64) struct wmi_pdev_set_dscp_tid_map_cmd { @@ -4647,5 +4651,7 @@ int ath10k_wmi_mgmt_tx(struct ath10k *ar, struct sk_buff *skb); int ath10k_wmi_dbglog_cfg(struct ath10k *ar, u32 module_enable); int ath10k_wmi_pull_fw_stats(struct ath10k *ar, struct sk_buff *skb, struct ath10k_fw_stats *stats); +int ath10k_wmi_pdev_pktlog_enable(struct ath10k *ar, u32 ev_list); +int ath10k_wmi_pdev_pktlog_disable(struct ath10k *ar); #endif /* _WMI_H_ */ From bfdd7937ab1a3ee0d02dc2d6876c597539a0d37d Mon Sep 17 00:00:00 2001 From: Rajkumar Manoharan Date: Fri, 3 Oct 2014 08:02:40 +0300 Subject: [PATCH 26/45] ath10k: add tracing for ath10k_htt_pktlog This is useful for collecting pktlog statistics of tx, rx and rate information, so add tracing for the API call. Signed-off-by: Rajkumar Manoharan Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/debug.h | 1 - drivers/net/wireless/ath/ath10k/htt.h | 2 +- drivers/net/wireless/ath/ath10k/htt_rx.c | 9 ++++++++ drivers/net/wireless/ath/ath10k/hw.h | 9 ++++++++ drivers/net/wireless/ath/ath10k/trace.h | 27 ++++++++++++++++++++++++ 5 files changed, 46 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/debug.h b/drivers/net/wireless/ath/ath10k/debug.h index ce86ed29e119..0c934a8378db 100644 --- a/drivers/net/wireless/ath/ath10k/debug.h +++ b/drivers/net/wireless/ath/ath10k/debug.h @@ -69,7 +69,6 @@ struct ath10k_fw_crash_data * ath10k_debug_get_new_fw_crash_data(struct ath10k *ar); void ath10k_debug_dbglog_add(struct ath10k *ar, u8 *buffer, int len); - #define ATH10K_DFS_STAT_INC(ar, c) (ar->debug.dfs_stats.c++) void ath10k_debug_get_et_strings(struct ieee80211_hw *hw, diff --git a/drivers/net/wireless/ath/ath10k/htt.h b/drivers/net/wireless/ath/ath10k/htt.h index 3b44217a6c19..15c58e884b6a 100644 --- a/drivers/net/wireless/ath/ath10k/htt.h +++ b/drivers/net/wireless/ath/ath10k/htt.h @@ -725,7 +725,7 @@ static inline u8 *htt_rx_test_get_chars(struct htt_rx_test *rx_test) */ struct htt_pktlog_msg { u8 pad[3]; - __le32 payload[1 /* or more */]; + u8 payload[0]; } __packed; struct htt_dbg_stats_rx_reorder_stats { diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c index 60d40a04508b..a078451b4620 100644 --- a/drivers/net/wireless/ath/ath10k/htt_rx.c +++ b/drivers/net/wireless/ath/ath10k/htt_rx.c @@ -1674,6 +1674,15 @@ void ath10k_htt_t2h_msg_handler(struct ath10k *ar, struct sk_buff *skb) case HTT_T2H_MSG_TYPE_RX_DELBA: ath10k_htt_rx_delba(ar, resp); break; + case HTT_T2H_MSG_TYPE_PKTLOG: { + struct ath10k_pktlog_hdr *hdr = + (struct ath10k_pktlog_hdr *)resp->pktlog_msg.payload; + + trace_ath10k_htt_pktlog(ar, resp->pktlog_msg.payload, + sizeof(*hdr) + + __le16_to_cpu(hdr->size)); + break; + } case HTT_T2H_MSG_TYPE_RX_FLUSH: { /* Ignore this event because mac80211 takes care of Rx * aggregation reordering. diff --git a/drivers/net/wireless/ath/ath10k/hw.h b/drivers/net/wireless/ath/ath10k/hw.h index 006a9cbc60b2..4b86ca363b39 100644 --- a/drivers/net/wireless/ath/ath10k/hw.h +++ b/drivers/net/wireless/ath/ath10k/hw.h @@ -80,6 +80,15 @@ enum ath10k_mcast2ucast_mode { ATH10K_MCAST2UCAST_ENABLED = 1, }; +struct ath10k_pktlog_hdr { + __le16 flags; + __le16 missed_cnt; + __le16 log_type; + __le16 size; + __le32 timestamp; + u8 payload[0]; +} __packed; + /* Target specific defines for MAIN firmware */ #define TARGET_NUM_VDEVS 8 #define TARGET_NUM_PEER_AST 2 diff --git a/drivers/net/wireless/ath/ath10k/trace.h b/drivers/net/wireless/ath/ath10k/trace.h index 574b75ab2609..971ff23b6007 100644 --- a/drivers/net/wireless/ath/ath10k/trace.h +++ b/drivers/net/wireless/ath/ath10k/trace.h @@ -254,6 +254,33 @@ TRACE_EVENT(ath10k_wmi_dbglog, ) ); +TRACE_EVENT(ath10k_htt_pktlog, + TP_PROTO(struct ath10k *ar, void *buf, u16 buf_len), + + TP_ARGS(ar, buf, buf_len), + + TP_STRUCT__entry( + __string(device, dev_name(ar->dev)) + __string(driver, dev_driver_string(ar->dev)) + __field(u16, buf_len) + __dynamic_array(u8, pktlog, buf_len) + ), + + TP_fast_assign( + __assign_str(device, dev_name(ar->dev)); + __assign_str(driver, dev_driver_string(ar->dev)); + __entry->buf_len = buf_len; + memcpy(__get_dynamic_array(pktlog), buf, buf_len); + ), + + TP_printk( + "%s %s size %hu", + __get_str(driver), + __get_str(device), + __entry->buf_len + ) +); + #endif /* _TRACE_H_ || TRACE_HEADER_MULTI_READ*/ /* we don't want to use include/trace/events */ From a0883cf7e75af66917c5ceff7a81ebb6d11b14af Mon Sep 17 00:00:00 2001 From: Rajkumar Manoharan Date: Fri, 3 Oct 2014 08:02:47 +0300 Subject: [PATCH 27/45] ath10k: add tracing for rx descriptor Upon the reception of frame, the descriptor status are reported to user space by tracepoint. This is useful for collecting rx statistics. Signed-off-by: Rajkumar Manoharan Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/htt_rx.c | 4 ++++ drivers/net/wireless/ath/ath10k/trace.h | 29 ++++++++++++++++++++++++ 2 files changed, 33 insertions(+) diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c index a078451b4620..7add88ea0e2e 100644 --- a/drivers/net/wireless/ath/ath10k/htt_rx.c +++ b/drivers/net/wireless/ath/ath10k/htt_rx.c @@ -316,6 +316,7 @@ static int ath10k_htt_rx_amsdu_pop(struct ath10k_htt *htt, int msdu_len, msdu_chaining = 0; struct sk_buff *msdu, *next; struct htt_rx_desc *rx_desc; + u32 tsf; lockdep_assert_held(&htt->rx_ring.lock); @@ -447,6 +448,9 @@ static int ath10k_htt_rx_amsdu_pop(struct ath10k_htt *htt, last_msdu = __le32_to_cpu(rx_desc->msdu_end.info0) & RX_MSDU_END_INFO0_LAST_MSDU; + tsf = __le32_to_cpu(rx_desc->ppdu_end.tsf_timestamp); + trace_ath10k_htt_rx_desc(ar, tsf, &rx_desc->attention, + sizeof(*rx_desc) - sizeof(u32)); if (last_msdu) { msdu->next = NULL; break; diff --git a/drivers/net/wireless/ath/ath10k/trace.h b/drivers/net/wireless/ath/ath10k/trace.h index 971ff23b6007..3841667e3a85 100644 --- a/drivers/net/wireless/ath/ath10k/trace.h +++ b/drivers/net/wireless/ath/ath10k/trace.h @@ -281,6 +281,35 @@ TRACE_EVENT(ath10k_htt_pktlog, ) ); +TRACE_EVENT(ath10k_htt_rx_desc, + TP_PROTO(struct ath10k *ar, u32 tsf, void *rxdesc, u16 len), + + TP_ARGS(ar, tsf, rxdesc, len), + + TP_STRUCT__entry( + __string(device, dev_name(ar->dev)) + __string(driver, dev_driver_string(ar->dev)) + __field(u32, tsf) + __field(u16, len) + __dynamic_array(u8, rxdesc, len) + ), + + TP_fast_assign( + __assign_str(device, dev_name(ar->dev)); + __assign_str(driver, dev_driver_string(ar->dev)); + __entry->tsf = tsf; + __entry->len = len; + memcpy(__get_dynamic_array(rxdesc), rxdesc, len); + ), + + TP_printk( + "%s %s %u len %hu", + __get_str(driver), + __get_str(device), + __entry->tsf, + __entry->len + ) +); #endif /* _TRACE_H_ || TRACE_HEADER_MULTI_READ*/ /* we don't want to use include/trace/events */ From d1e50f470364b38db0aa25c453403037850edac2 Mon Sep 17 00:00:00 2001 From: Rajkumar Manoharan Date: Fri, 3 Oct 2014 08:02:54 +0300 Subject: [PATCH 28/45] ath10k: add tracing for tx info The tx info such as msdu_id, frame len, vdev id and tid are reported to user space by tracepoint. This is useful for collecting tx statistics. Signed-off-by: Rajkumar Manoharan Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/htt_tx.c | 1 + drivers/net/wireless/ath/ath10k/trace.h | 60 ++++++++++++++++++++++++ drivers/net/wireless/ath/ath10k/txrx.c | 1 + 3 files changed, 62 insertions(+) diff --git a/drivers/net/wireless/ath/ath10k/htt_tx.c b/drivers/net/wireless/ath/ath10k/htt_tx.c index bd87a35201d8..fdfb1713b173 100644 --- a/drivers/net/wireless/ath/ath10k/htt_tx.c +++ b/drivers/net/wireless/ath/ath10k/htt_tx.c @@ -557,6 +557,7 @@ int ath10k_htt_tx(struct ath10k_htt *htt, struct sk_buff *msdu) skb_cb->htt.txbuf->cmd_tx.frags_paddr = __cpu_to_le32(frags_paddr); skb_cb->htt.txbuf->cmd_tx.peerid = __cpu_to_le32(HTT_INVALID_PEERID); + trace_ath10k_htt_tx(ar, msdu_id, msdu->len, vdev_id, tid); ath10k_dbg(ar, ATH10K_DBG_HTT, "htt tx flags0 %hhu flags1 %hu len %d id %hu frags_paddr %08x, msdu_paddr %08x vdev %hhu tid %hhu\n", flags0, flags1, msdu->len, msdu_id, frags_paddr, diff --git a/drivers/net/wireless/ath/ath10k/trace.h b/drivers/net/wireless/ath/ath10k/trace.h index 3841667e3a85..33b9bf4387f8 100644 --- a/drivers/net/wireless/ath/ath10k/trace.h +++ b/drivers/net/wireless/ath/ath10k/trace.h @@ -310,6 +310,66 @@ TRACE_EVENT(ath10k_htt_rx_desc, __entry->len ) ); + +TRACE_EVENT(ath10k_htt_tx, + TP_PROTO(struct ath10k *ar, u16 msdu_id, u16 msdu_len, + u8 vdev_id, u8 tid), + + TP_ARGS(ar, msdu_id, msdu_len, vdev_id, tid), + + TP_STRUCT__entry( + __string(device, dev_name(ar->dev)) + __string(driver, dev_driver_string(ar->dev)) + __field(u16, msdu_id) + __field(u16, msdu_len) + __field(u8, vdev_id) + __field(u8, tid) + ), + + TP_fast_assign( + __assign_str(device, dev_name(ar->dev)); + __assign_str(driver, dev_driver_string(ar->dev)); + __entry->msdu_id = msdu_id; + __entry->msdu_len = msdu_len; + __entry->vdev_id = vdev_id; + __entry->tid = tid; + ), + + TP_printk( + "%s %s msdu_id %d msdu_len %d vdev_id %d tid %d", + __get_str(driver), + __get_str(device), + __entry->msdu_id, + __entry->msdu_len, + __entry->vdev_id, + __entry->tid + ) +); + +TRACE_EVENT(ath10k_txrx_tx_unref, + TP_PROTO(struct ath10k *ar, u16 msdu_id), + + TP_ARGS(ar, msdu_id), + + TP_STRUCT__entry( + __string(device, dev_name(ar->dev)) + __string(driver, dev_driver_string(ar->dev)) + __field(u16, msdu_id) + ), + + TP_fast_assign( + __assign_str(device, dev_name(ar->dev)); + __assign_str(driver, dev_driver_string(ar->dev)); + __entry->msdu_id = msdu_id; + ), + + TP_printk( + "%s %s msdu_id %d", + __get_str(driver), + __get_str(device), + __entry->msdu_id + ) +); #endif /* _TRACE_H_ || TRACE_HEADER_MULTI_READ*/ /* we don't want to use include/trace/events */ diff --git a/drivers/net/wireless/ath/ath10k/txrx.c b/drivers/net/wireless/ath/ath10k/txrx.c index a0cbc21d0d4b..f9c90e37bc7c 100644 --- a/drivers/net/wireless/ath/ath10k/txrx.c +++ b/drivers/net/wireless/ath/ath10k/txrx.c @@ -78,6 +78,7 @@ void ath10k_txrx_tx_unref(struct ath10k_htt *htt, info = IEEE80211_SKB_CB(msdu); memset(&info->status, 0, sizeof(info->status)); + trace_ath10k_txrx_tx_unref(ar, tx_done->msdu_id); if (tx_done->discard) { ieee80211_free_txskb(htt->ar->hw, msdu); From 2358a544fe65d2b5cde1e4b97bd16c04473394a9 Mon Sep 17 00:00:00 2001 From: Michal Kazior Date: Thu, 2 Oct 2014 13:32:55 +0200 Subject: [PATCH 29/45] ath10k: warn on unhandled htt events It makes a lot more sense to print these kinds of problems as a warning instead of a debug. Signed-off-by: Michal Kazior Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/htt_rx.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c index 7add88ea0e2e..27b3051d9ffd 100644 --- a/drivers/net/wireless/ath/ath10k/htt_rx.c +++ b/drivers/net/wireless/ath/ath10k/htt_rx.c @@ -1694,8 +1694,8 @@ void ath10k_htt_t2h_msg_handler(struct ath10k *ar, struct sk_buff *skb) break; } default: - ath10k_dbg(ar, ATH10K_DBG_HTT, "htt event (%d) not handled\n", - resp->hdr.msg_type); + ath10k_warn(ar, "htt event (%d) not handled\n", + resp->hdr.msg_type); ath10k_dbg_dump(ar, ATH10K_DBG_HTT_DUMP, NULL, "htt event: ", skb->data, skb->len); break; From 3c7984e97f32d39d6cfee1b3e57d5b3ab70665dc Mon Sep 17 00:00:00 2001 From: Janusz Dziedzic Date: Thu, 2 Oct 2014 13:56:40 +0200 Subject: [PATCH 30/45] ath10k: don't create bssid peer for ibss It's not really necessary to create bssid peer for bssid. Self-address peer is sufficient. This prevents some firmware revisions from crashing. Signed-off-by: Janusz Dziedzic Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/mac.c | 28 ++++++++++----------------- 1 file changed, 10 insertions(+), 18 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index 4a061a7e0885..11918575decc 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -992,14 +992,6 @@ static void ath10k_control_ibss(struct ath10k_vif *arvif, if (is_zero_ether_addr(arvif->bssid)) return; - ret = ath10k_peer_delete(arvif->ar, arvif->vdev_id, - arvif->bssid); - if (ret) { - ath10k_warn(ar, "failed to delete IBSS BSSID peer %pM for vdev %d: %d\n", - arvif->bssid, arvif->vdev_id, ret); - return; - } - memset(arvif->bssid, 0, ETH_ALEN); return; @@ -3127,17 +3119,17 @@ static void ath10k_bss_info_changed(struct ieee80211_hw *hw, if (changed & BSS_CHANGED_BSSID && vif->type != NL80211_IFTYPE_AP) { if (!is_zero_ether_addr(info->bssid)) { - ath10k_dbg(ar, ATH10K_DBG_MAC, - "mac vdev %d create peer %pM\n", - arvif->vdev_id, info->bssid); - - ret = ath10k_peer_create(ar, arvif->vdev_id, - info->bssid); - if (ret) - ath10k_warn(ar, "failed to add peer %pM for vdev %d when changing bssid: %i\n", - info->bssid, arvif->vdev_id, ret); - if (vif->type == NL80211_IFTYPE_STATION) { + ath10k_dbg(ar, ATH10K_DBG_MAC, + "mac vdev %d create peer %pM\n", + arvif->vdev_id, info->bssid); + + ret = ath10k_peer_create(ar, arvif->vdev_id, + info->bssid); + if (ret) + ath10k_warn(ar, "failed to add peer %pM for vdev %d when changing bssid: %i\n", + info->bssid, arvif->vdev_id, + ret); /* * this is never erased as we it for crypto key * clearing; this is FW requirement From 8026cae7aa02f24c25471269009fa8ffc6f72cd6 Mon Sep 17 00:00:00 2001 From: Bartosz Markowski Date: Mon, 6 Oct 2014 14:16:41 +0200 Subject: [PATCH 31/45] ath10k: advertise all possible firmware(-api) files This is required if we take into account possibility to load the driver from initrd (RAM disk), so in other words: very early in the boot process, before the file system is visible. In such case we need to have the firmware files accessible from ram disk too, and this patch guarantee this. Signed-off-by: Bartosz Markowski Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/hw.h | 1 - drivers/net/wireless/ath/ath10k/pci.c | 4 +++- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/hw.h b/drivers/net/wireless/ath/ath10k/hw.h index 4b86ca363b39..5dd6551801d5 100644 --- a/drivers/net/wireless/ath/ath10k/hw.h +++ b/drivers/net/wireless/ath/ath10k/hw.h @@ -28,7 +28,6 @@ #define QCA988X_HW_2_0_CHIP_ID_REV 0x2 #define QCA988X_HW_2_0_FW_DIR "ath10k/QCA988X/hw2.0" #define QCA988X_HW_2_0_FW_FILE "firmware.bin" -#define QCA988X_HW_2_0_FW_3_FILE "firmware-3.bin" #define QCA988X_HW_2_0_OTP_FILE "otp.bin" #define QCA988X_HW_2_0_BOARD_DATA_FILE "board.bin" #define QCA988X_HW_2_0_PATCH_LOAD_ADDR 0x1234 diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c index 8a04904cccee..730bb18c3f45 100644 --- a/drivers/net/wireless/ath/ath10k/pci.c +++ b/drivers/net/wireless/ath/ath10k/pci.c @@ -2600,5 +2600,7 @@ module_exit(ath10k_pci_exit); MODULE_AUTHOR("Qualcomm Atheros"); MODULE_DESCRIPTION("Driver support for Atheros QCA988X PCIe devices"); MODULE_LICENSE("Dual BSD/GPL"); -MODULE_FIRMWARE(QCA988X_HW_2_0_FW_DIR "/" QCA988X_HW_2_0_FW_3_FILE); +MODULE_FIRMWARE(QCA988X_HW_2_0_FW_DIR "/" QCA988X_HW_2_0_FW_FILE); +MODULE_FIRMWARE(QCA988X_HW_2_0_FW_DIR "/" ATH10K_FW_API2_FILE); +MODULE_FIRMWARE(QCA988X_HW_2_0_FW_DIR "/" ATH10K_FW_API3_FILE); MODULE_FIRMWARE(QCA988X_HW_2_0_FW_DIR "/" QCA988X_HW_2_0_BOARD_DATA_FILE); From 6db0885a6cadbfb5d4f24e0b34c5ff30eb66300f Mon Sep 17 00:00:00 2001 From: Janusz Dziedzic Date: Tue, 7 Oct 2014 12:26:43 +0200 Subject: [PATCH 32/45] ath10k: fix WMI scan command length Fix WMI scan command length we setup when scan request. This fix issue with 636 firmware when scan always failed with message: ath10k_pci 0000:02:00.0: wmi start scan ath10k_pci 0000:02:00.0: wmi stop scan reqid 1 req_type 0 vdev/scan_id 0 ath10k_pci 0000:02:00.0: failed to stop wmi scan: -11 ath10k_pci 0000:02:00.0: failed to stop scan: -11 ath10k_pci 0000:02:00.0: failed to start hw scan: -110 Signed-off-by: Janusz Dziedzic Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/wmi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index c145b985f7a5..7ca9dcb12847 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -3506,10 +3506,10 @@ int ath10k_wmi_start_scan(struct ath10k *ar, return ret; if (test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) - len = sizeof(struct wmi_start_scan_cmd) + + len = sizeof(struct wmi_10x_start_scan_cmd) + ath10k_wmi_start_scan_tlvs_len(arg); else - len = sizeof(struct wmi_10x_start_scan_cmd) + + len = sizeof(struct wmi_start_scan_cmd) + ath10k_wmi_start_scan_tlvs_len(arg); skb = ath10k_wmi_alloc_skb(ar, len); From 9b57f88f1e09e0ac6135e1ca2181ae3d34780606 Mon Sep 17 00:00:00 2001 From: Rajkumar Manoharan Date: Mon, 6 Oct 2014 22:39:06 +0530 Subject: [PATCH 33/45] ath10k: add tracing for frame transmission Add tracing support to forward management and data frames to user space for packet inspection. Signed-off-by: Rajkumar Manoharan Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/htt_rx.c | 3 ++ drivers/net/wireless/ath/ath10k/htt_tx.c | 1 + drivers/net/wireless/ath/ath10k/trace.h | 47 ++++++++++++++++++++++++ drivers/net/wireless/ath/ath10k/wmi.c | 2 + 4 files changed, 53 insertions(+) diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c index 27b3051d9ffd..fbb3175d4d6e 100644 --- a/drivers/net/wireless/ath/ath10k/htt_rx.c +++ b/drivers/net/wireless/ath/ath10k/htt_rx.c @@ -291,6 +291,9 @@ static inline struct sk_buff *ath10k_htt_rx_netbuf_pop(struct ath10k_htt *htt) htt->rx_ring.sw_rd_idx.msdu_payld = idx; htt->rx_ring.fill_cnt--; + trace_ath10k_htt_rx_pop_msdu(ar, msdu->data, msdu->len + + skb_tailroom(msdu)); + return msdu; } diff --git a/drivers/net/wireless/ath/ath10k/htt_tx.c b/drivers/net/wireless/ath/ath10k/htt_tx.c index fdfb1713b173..b0df470250a2 100644 --- a/drivers/net/wireless/ath/ath10k/htt_tx.c +++ b/drivers/net/wireless/ath/ath10k/htt_tx.c @@ -564,6 +564,7 @@ int ath10k_htt_tx(struct ath10k_htt *htt, struct sk_buff *msdu) (u32)skb_cb->paddr, vdev_id, tid); ath10k_dbg_dump(ar, ATH10K_DBG_HTT_DUMP, NULL, "htt tx msdu: ", msdu->data, msdu->len); + trace_ath10k_htt_tx_msdu(ar, msdu->data, msdu->len); sg_items[0].transfer_id = 0; sg_items[0].transfer_context = NULL; diff --git a/drivers/net/wireless/ath/ath10k/trace.h b/drivers/net/wireless/ath/ath10k/trace.h index 33b9bf4387f8..9d34e7f6c455 100644 --- a/drivers/net/wireless/ath/ath10k/trace.h +++ b/drivers/net/wireless/ath/ath10k/trace.h @@ -370,6 +370,53 @@ TRACE_EVENT(ath10k_txrx_tx_unref, __entry->msdu_id ) ); + +DECLARE_EVENT_CLASS(ath10k_data_event, + TP_PROTO(struct ath10k *ar, void *data, size_t len), + + TP_ARGS(ar, data, len), + + TP_STRUCT__entry( + __string(device, dev_name(ar->dev)) + __string(driver, dev_driver_string(ar->dev)) + __field(size_t, len) + __dynamic_array(u8, data, len) + ), + + TP_fast_assign( + __assign_str(device, dev_name(ar->dev)); + __assign_str(driver, dev_driver_string(ar->dev)); + __entry->len = len; + memcpy(__get_dynamic_array(data), data, len); + ), + + TP_printk( + "%s %s len %zu\n", + __get_str(driver), + __get_str(device), + __entry->len + ) +); + +DEFINE_EVENT(ath10k_data_event, ath10k_htt_tx_msdu, + TP_PROTO(struct ath10k *ar, void *data, size_t len), + TP_ARGS(ar, data, len) +); + +DEFINE_EVENT(ath10k_data_event, ath10k_htt_rx_pop_msdu, + TP_PROTO(struct ath10k *ar, void *data, size_t len), + TP_ARGS(ar, data, len) +); + +DEFINE_EVENT(ath10k_data_event, ath10k_wmi_mgmt_tx, + TP_PROTO(struct ath10k *ar, void *data, size_t len), + TP_ARGS(ar, data, len) +); + +DEFINE_EVENT(ath10k_data_event, ath10k_wmi_bcn_tx, + TP_PROTO(struct ath10k *ar, void *data, size_t len), + TP_ARGS(ar, data, len) +); #endif /* _TRACE_H_ || TRACE_HEADER_MULTI_READ*/ /* we don't want to use include/trace/events */ diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index 7ca9dcb12847..829fccfebbff 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -834,6 +834,7 @@ int ath10k_wmi_mgmt_tx(struct ath10k *ar, struct sk_buff *skb) ath10k_dbg(ar, ATH10K_DBG_WMI, "wmi mgmt tx skb %p len %d ftype %02x stype %02x\n", wmi_skb, wmi_skb->len, fc & IEEE80211_FCTL_FTYPE, fc & IEEE80211_FCTL_STYPE); + trace_ath10k_wmi_mgmt_tx(ar, skb->data, skb->len); /* Send the management frame buffer to the target */ ret = ath10k_wmi_cmd_send(ar, wmi_skb, ar->wmi.cmd->mgmt_tx_cmdid); @@ -1892,6 +1893,7 @@ static void ath10k_wmi_event_host_swba(struct ath10k *ar, struct sk_buff *skb) arvif->beacon = bcn; arvif->beacon_sent = false; + trace_ath10k_wmi_bcn_tx(ar, bcn->data, bcn->len); ath10k_wmi_tx_beacon_nowait(arvif); skip: spin_unlock_bh(&ar->data_lock); From 82d7aba71541a308bc19e869f7cf7423672dee37 Mon Sep 17 00:00:00 2001 From: Rajkumar Manoharan Date: Fri, 10 Oct 2014 17:38:27 +0530 Subject: [PATCH 34/45] ath10k: fix kernel panic while shutting down AP Based on GFP flag given to DMA coherent allocation, the behaviour of dma_free_coherent is changed. This behavioural diffrence is noticeable in ARM platform. If DMA memory is allocated with GFP_KERNEL, free coherent can not be called inside spin lock. This is causing kernel crash in ARM platforms. Fix this by changing GFP flag to atomic. This is most likely a regression from commit 64badcb6d645 ("ath10k: workaround fw beaconing bug"). Cc: Michal Kazior Signed-off-by: Rajkumar Manoharan Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/mac.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index 11918575decc..b2bd80c4f72c 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -2839,7 +2839,7 @@ static int ath10k_add_interface(struct ieee80211_hw *hw, arvif->beacon_buf = dma_zalloc_coherent(ar->dev, IEEE80211_MAX_FRAME_LEN, &arvif->beacon_paddr, - GFP_KERNEL); + GFP_ATOMIC); if (!arvif->beacon_buf) { ret = -ENOMEM; ath10k_warn(ar, "failed to allocate beacon buffer: %d\n", From e07db352ca679a8b915008195aeee5c790bee545 Mon Sep 17 00:00:00 2001 From: Kalle Valo Date: Mon, 13 Oct 2014 09:40:47 +0300 Subject: [PATCH 35/45] ath10k: add back enum ath10k_bus Commit 3a0861fffd223 ("ath10k: remove ath10k_bus") removed enum ath10k_bus because it was not used for anything at the time. But now it's needed for for retrieving the right calibration data file so add it back. Only new addition is ath10k_bus_str(). Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/core.c | 2 ++ drivers/net/wireless/ath/ath10k/core.h | 16 ++++++++++++++++ drivers/net/wireless/ath/ath10k/pci.c | 1 + 3 files changed, 19 insertions(+) diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c index 37e31665628c..76f0db0654bb 100644 --- a/drivers/net/wireless/ath/ath10k/core.c +++ b/drivers/net/wireless/ath/ath10k/core.c @@ -1084,6 +1084,7 @@ void ath10k_core_unregister(struct ath10k *ar) EXPORT_SYMBOL(ath10k_core_unregister); struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev, + enum ath10k_bus bus, const struct ath10k_hif_ops *hif_ops) { struct ath10k *ar; @@ -1100,6 +1101,7 @@ struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev, ar->dev = dev; ar->hif.ops = hif_ops; + ar->hif.bus = bus; init_completion(&ar->scan.started); init_completion(&ar->scan.completed); diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h index 1ac2f1466758..770b0bcc3e69 100644 --- a/drivers/net/wireless/ath/ath10k/core.h +++ b/drivers/net/wireless/ath/ath10k/core.h @@ -63,6 +63,20 @@ struct ath10k; +enum ath10k_bus { + ATH10K_BUS_PCI, +}; + +static inline const char *ath10k_bus_str(enum ath10k_bus bus) +{ + switch (bus) { + case ATH10K_BUS_PCI: + return "pci"; + } + + return "unknown"; +} + struct ath10k_skb_cb { dma_addr_t paddr; u8 vdev_id; @@ -423,6 +437,7 @@ struct ath10k { bool p2p; struct { + enum ath10k_bus bus; const struct ath10k_hif_ops *ops; } hif; @@ -577,6 +592,7 @@ struct ath10k { }; struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev, + enum ath10k_bus bus, const struct ath10k_hif_ops *hif_ops); void ath10k_core_destroy(struct ath10k *ar); diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c index 730bb18c3f45..86f734e74103 100644 --- a/drivers/net/wireless/ath/ath10k/pci.c +++ b/drivers/net/wireless/ath/ath10k/pci.c @@ -2435,6 +2435,7 @@ static int ath10k_pci_probe(struct pci_dev *pdev, u32 chip_id; ar = ath10k_core_create(sizeof(*ar_pci), &pdev->dev, + ATH10K_BUS_PCI, &ath10k_pci_hif_ops); if (!ar) { dev_err(&pdev->dev, "failed to allocate core\n"); From 830915597747013b18143d298922f7ea227d3769 Mon Sep 17 00:00:00 2001 From: Kalle Valo Date: Mon, 13 Oct 2014 09:40:53 +0300 Subject: [PATCH 36/45] ath10k: refactor ath10k_init_download_firmware() This is preparation for being able to download calibration data from a file. Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/core.c | 27 ++++++++++++-------------- 1 file changed, 12 insertions(+), 15 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c index 76f0db0654bb..d0b67a7512cf 100644 --- a/drivers/net/wireless/ath/ath10k/core.c +++ b/drivers/net/wireless/ath/ath10k/core.c @@ -225,6 +225,12 @@ static int ath10k_download_and_run_otp(struct ath10k *ar) u32 result, address = ar->hw_params.patch_load_addr; int ret; + ret = ath10k_download_board_data(ar); + if (ret) { + ath10k_err(ar, "failed to download board data: %d\n", ret); + return ret; + } + /* OTP is optional */ if (!ar->otp_data || !ar->otp_len) { @@ -589,29 +595,16 @@ success: return 0; } -static int ath10k_init_download_firmware(struct ath10k *ar, - enum ath10k_firmware_mode mode) +static int ath10k_download_cal_data(struct ath10k *ar) { int ret; - ret = ath10k_download_board_data(ar); - if (ret) { - ath10k_err(ar, "failed to download board data: %d\n", ret); - return ret; - } - ret = ath10k_download_and_run_otp(ar); if (ret) { ath10k_err(ar, "failed to run otp: %d\n", ret); return ret; } - ret = ath10k_download_fw(ar, mode); - if (ret) { - ath10k_err(ar, "failed to download firmware: %d\n", ret); - return ret; - } - return ret; } @@ -729,7 +722,11 @@ int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode) goto err; } - status = ath10k_init_download_firmware(ar, mode); + status = ath10k_download_cal_data(ar); + if (status) + goto err; + + status = ath10k_download_fw(ar, mode); if (status) goto err; From a58227ef69a74e624b06a4ff193d13e6f1a4b298 Mon Sep 17 00:00:00 2001 From: Kalle Valo Date: Mon, 13 Oct 2014 09:40:59 +0300 Subject: [PATCH 37/45] ath10k: retrieve calibration data from file A frequent request have been to be able to provide calibration data from a file as some of the AP devices store the calibration data on an MTD partition. This patchset adds support for that and also makes it easier to add Device Tree support later on. The calibration data is found by using the id string provided by dev_name() using this format: cal--.bin With PCI the id string contains bus, slot and func values. For example for a PCI device in bus 2 slot 0, ath10k will try to retrieve a calibration data from a file: /lib/firmware/ath10k/cal-pci-0000:02:00.0.bin The calibration data sequence is: 1. Check with request_firmware() if there's a calibration file ("cal--.bin") on the filesystem for this device. If yes, use that. If not, goto 2 2. Check if otp.bin is able to successfully load the calibration data from OTP. If yes, use that. If not, goto 3. 4. Print an error message that no calibration data found and stop driver initialization for this device. Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/core.c | 86 ++++++++++++++++++++++--- drivers/net/wireless/ath/ath10k/core.h | 20 ++++++ drivers/net/wireless/ath/ath10k/debug.c | 5 +- drivers/net/wireless/ath/ath10k/hw.h | 4 +- 4 files changed, 102 insertions(+), 13 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c index d0b67a7512cf..5c23d00f7d60 100644 --- a/drivers/net/wireless/ath/ath10k/core.c +++ b/drivers/net/wireless/ath/ath10k/core.c @@ -138,7 +138,8 @@ static const struct firmware *ath10k_fetch_fw_file(struct ath10k *ar, return fw; } -static int ath10k_push_board_ext_data(struct ath10k *ar) +static int ath10k_push_board_ext_data(struct ath10k *ar, const void *data, + size_t data_len) { u32 board_data_size = QCA988X_BOARD_DATA_SZ; u32 board_ext_data_size = QCA988X_BOARD_EXT_DATA_SZ; @@ -159,14 +160,14 @@ static int ath10k_push_board_ext_data(struct ath10k *ar) if (board_ext_data_addr == 0) return 0; - if (ar->board_len != (board_data_size + board_ext_data_size)) { + if (data_len != (board_data_size + board_ext_data_size)) { ath10k_err(ar, "invalid board (ext) data sizes %zu != %d+%d\n", - ar->board_len, board_data_size, board_ext_data_size); + data_len, board_data_size, board_ext_data_size); return -EINVAL; } ret = ath10k_bmi_write_memory(ar, board_ext_data_addr, - ar->board_data + board_data_size, + data + board_data_size, board_ext_data_size); if (ret) { ath10k_err(ar, "could not write board ext data (%d)\n", ret); @@ -184,13 +185,14 @@ static int ath10k_push_board_ext_data(struct ath10k *ar) return 0; } -static int ath10k_download_board_data(struct ath10k *ar) +static int ath10k_download_board_data(struct ath10k *ar, const void *data, + size_t data_len) { u32 board_data_size = QCA988X_BOARD_DATA_SZ; u32 address; int ret; - ret = ath10k_push_board_ext_data(ar); + ret = ath10k_push_board_ext_data(ar, data, data_len); if (ret) { ath10k_err(ar, "could not push board ext data (%d)\n", ret); goto exit; @@ -202,9 +204,9 @@ static int ath10k_download_board_data(struct ath10k *ar) goto exit; } - ret = ath10k_bmi_write_memory(ar, address, ar->board_data, + ret = ath10k_bmi_write_memory(ar, address, data, min_t(u32, board_data_size, - ar->board_len)); + data_len)); if (ret) { ath10k_err(ar, "could not write board data (%d)\n", ret); goto exit; @@ -220,12 +222,34 @@ exit: return ret; } +static int ath10k_download_cal_file(struct ath10k *ar) +{ + int ret; + + if (!ar->cal_file) + return -ENOENT; + + if (IS_ERR(ar->cal_file)) + return PTR_ERR(ar->cal_file); + + ret = ath10k_download_board_data(ar, ar->cal_file->data, + ar->cal_file->size); + if (ret) { + ath10k_err(ar, "failed to download cal_file data: %d\n", ret); + return ret; + } + + ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot cal file downloaded\n"); + + return 0; +} + static int ath10k_download_and_run_otp(struct ath10k *ar) { u32 result, address = ar->hw_params.patch_load_addr; int ret; - ret = ath10k_download_board_data(ar); + ret = ath10k_download_board_data(ar, ar->board_data, ar->board_len); if (ret) { ath10k_err(ar, "failed to download board data: %d\n", ret); return ret; @@ -314,6 +338,9 @@ static void ath10k_core_free_firmware_files(struct ath10k *ar) if (ar->firmware && !IS_ERR(ar->firmware)) release_firmware(ar->firmware); + if (ar->cal_file && !IS_ERR(ar->cal_file)) + release_firmware(ar->cal_file); + ar->board = NULL; ar->board_data = NULL; ar->board_len = 0; @@ -325,6 +352,27 @@ static void ath10k_core_free_firmware_files(struct ath10k *ar) ar->firmware = NULL; ar->firmware_data = NULL; ar->firmware_len = 0; + + ar->cal_file = NULL; +} + +static int ath10k_fetch_cal_file(struct ath10k *ar) +{ + char filename[100]; + + /* cal--.bin */ + scnprintf(filename, sizeof(filename), "cal-%s-%s.bin", + ath10k_bus_str(ar->hif.bus), dev_name(ar->dev)); + + ar->cal_file = ath10k_fetch_fw_file(ar, ATH10K_FW_DIR, filename); + if (IS_ERR(ar->cal_file)) + /* calibration file is optional, don't print any warnings */ + return PTR_ERR(ar->cal_file); + + ath10k_dbg(ar, ATH10K_DBG_BOOT, "found calibration file %s/%s\n", + ATH10K_FW_DIR, filename); + + return 0; } static int ath10k_core_fetch_firmware_api_1(struct ath10k *ar) @@ -568,6 +616,9 @@ static int ath10k_core_fetch_firmware_files(struct ath10k *ar) { int ret; + /* calibration file is optional, don't check for any errors */ + ath10k_fetch_cal_file(ar); + ar->fw_api = 3; ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api); @@ -599,13 +650,28 @@ static int ath10k_download_cal_data(struct ath10k *ar) { int ret; + ret = ath10k_download_cal_file(ar); + if (ret == 0) { + ar->cal_mode = ATH10K_CAL_MODE_FILE; + goto done; + } + + ath10k_dbg(ar, ATH10K_DBG_BOOT, + "boot did not find a calibration file, try OTP next: %d\n", + ret); + ret = ath10k_download_and_run_otp(ar); if (ret) { ath10k_err(ar, "failed to run otp: %d\n", ret); return ret; } - return ret; + ar->cal_mode = ATH10K_CAL_MODE_OTP; + +done: + ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using calibration mode %s\n", + ath10k_cal_mode_str(ar->cal_mode)); + return 0; } static int ath10k_init_uart(struct ath10k *ar) diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h index 770b0bcc3e69..2c286e73dbf7 100644 --- a/drivers/net/wireless/ath/ath10k/core.h +++ b/drivers/net/wireless/ath/ath10k/core.h @@ -387,6 +387,23 @@ enum ath10k_dev_flags { ATH10K_FLAG_CORE_REGISTERED, }; +enum ath10k_cal_mode { + ATH10K_CAL_MODE_FILE, + ATH10K_CAL_MODE_OTP, +}; + +static inline const char *ath10k_cal_mode_str(enum ath10k_cal_mode mode) +{ + switch (mode) { + case ATH10K_CAL_MODE_FILE: + return "file"; + case ATH10K_CAL_MODE_OTP: + return "otp"; + } + + return "unknown"; +} + enum ath10k_scan_state { ATH10K_SCAN_IDLE, ATH10K_SCAN_STARTING, @@ -473,7 +490,10 @@ struct ath10k { const void *firmware_data; size_t firmware_len; + const struct firmware *cal_file; + int fw_api; + enum ath10k_cal_mode cal_mode; struct { struct completion started; diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c index 0d94febbb360..9147dd36dcdd 100644 --- a/drivers/net/wireless/ath/ath10k/debug.c +++ b/drivers/net/wireless/ath/ath10k/debug.c @@ -124,7 +124,7 @@ EXPORT_SYMBOL(ath10k_info); void ath10k_print_driver_info(struct ath10k *ar) { - ath10k_info(ar, "%s (0x%08x, 0x%08x) fw %s api %d htt %d.%d wmi %d.%d.%d.%d\n", + ath10k_info(ar, "%s (0x%08x, 0x%08x) fw %s api %d htt %d.%d wmi %d.%d.%d.%d cal %s\n", ar->hw_params.name, ar->target_version, ar->chip_id, @@ -135,7 +135,8 @@ void ath10k_print_driver_info(struct ath10k *ar) ar->fw_version_major, ar->fw_version_minor, ar->fw_version_release, - ar->fw_version_build); + ar->fw_version_build, + ath10k_cal_mode_str(ar->cal_mode)); ath10k_info(ar, "debug %d debugfs %d tracing %d dfs %d testmode %d\n", config_enabled(CONFIG_ATH10K_DEBUG), config_enabled(CONFIG_ATH10K_DEBUGFS), diff --git a/drivers/net/wireless/ath/ath10k/hw.h b/drivers/net/wireless/ath/ath10k/hw.h index 5dd6551801d5..ef09fe8cb4b2 100644 --- a/drivers/net/wireless/ath/ath10k/hw.h +++ b/drivers/net/wireless/ath/ath10k/hw.h @@ -20,13 +20,15 @@ #include "targaddrs.h" +#define ATH10K_FW_DIR "ath10k" + /* QCA988X 1.0 definitions (unsupported) */ #define QCA988X_HW_1_0_CHIP_ID_REV 0x0 /* QCA988X 2.0 definitions */ #define QCA988X_HW_2_0_VERSION 0x4100016c #define QCA988X_HW_2_0_CHIP_ID_REV 0x2 -#define QCA988X_HW_2_0_FW_DIR "ath10k/QCA988X/hw2.0" +#define QCA988X_HW_2_0_FW_DIR ATH10K_FW_DIR "/QCA988X/hw2.0" #define QCA988X_HW_2_0_FW_FILE "firmware.bin" #define QCA988X_HW_2_0_OTP_FILE "otp.bin" #define QCA988X_HW_2_0_BOARD_DATA_FILE "board.bin" From 590922a824cd9c16b3f43c59e4defd411a3be5dc Mon Sep 17 00:00:00 2001 From: Michal Kazior Date: Tue, 21 Oct 2014 10:10:29 +0300 Subject: [PATCH 38/45] ath10k: clean up assoc code There's no need to pass bss_conf explicitly as it is accessible via vif pointer. This requires slight changes in function prototypes. While at it clean up listen interval workaround/command. Signed-off-by: Michal Kazior Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/mac.c | 94 +++++++++++++-------------- 1 file changed, 46 insertions(+), 48 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index b2bd80c4f72c..39c4029d9219 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -1060,51 +1060,45 @@ static int ath10k_mac_vif_setup_ps(struct ath10k_vif *arvif) /* Station management */ /**********************/ +static u32 ath10k_peer_assoc_h_listen_intval(struct ath10k *ar, + struct ieee80211_vif *vif) +{ + /* Some firmware revisions have unstable STA powersave when listen + * interval is set too high (e.g. 5). The symptoms are firmware doesn't + * generate NullFunc frames properly even if buffered frames have been + * indicated in Beacon TIM. Firmware would seldom wake up to pull + * buffered frames. Often pinging the device from AP would simply fail. + * + * As a workaround set it to 1. + */ + if (vif->type == NL80211_IFTYPE_STATION) + return 1; + + return ar->hw->conf.listen_interval; +} + static void ath10k_peer_assoc_h_basic(struct ath10k *ar, - struct ath10k_vif *arvif, + struct ieee80211_vif *vif, struct ieee80211_sta *sta, - struct ieee80211_bss_conf *bss_conf, struct wmi_peer_assoc_complete_arg *arg) { + struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); + lockdep_assert_held(&ar->conf_mutex); ether_addr_copy(arg->addr, sta->addr); arg->vdev_id = arvif->vdev_id; arg->peer_aid = sta->aid; arg->peer_flags |= WMI_PEER_AUTH; - - if (arvif->vdev_type == WMI_VDEV_TYPE_STA) - /* - * Seems FW have problems with Power Save in STA - * mode when we setup this parameter to high (eg. 5). - * Often we see that FW don't send NULL (with clean P flags) - * frame even there is info about buffered frames in beacons. - * Sometimes we have to wait more than 10 seconds before FW - * will wakeup. Often sending one ping from AP to our device - * just fail (more than 50%). - * - * Seems setting this FW parameter to 1 couse FW - * will check every beacon and will wakup immediately - * after detection buffered data. - */ - arg->peer_listen_intval = 1; - else - arg->peer_listen_intval = ar->hw->conf.listen_interval; - + arg->peer_listen_intval = ath10k_peer_assoc_h_listen_intval(ar, vif); arg->peer_num_spatial_streams = 1; - - /* - * The assoc capabilities are available only in managed mode. - */ - if (arvif->vdev_type == WMI_VDEV_TYPE_STA && bss_conf) - arg->peer_caps = bss_conf->assoc_capability; + arg->peer_caps = vif->bss_conf.assoc_capability; } static void ath10k_peer_assoc_h_crypto(struct ath10k *ar, - struct ath10k_vif *arvif, + struct ieee80211_vif *vif, struct wmi_peer_assoc_complete_arg *arg) { - struct ieee80211_vif *vif = arvif->vif; struct ieee80211_bss_conf *info = &vif->bss_conf; struct cfg80211_bss *bss; const u8 *rsnie = NULL; @@ -1361,11 +1355,12 @@ static void ath10k_peer_assoc_h_vht(struct ath10k *ar, } static void ath10k_peer_assoc_h_qos(struct ath10k *ar, - struct ath10k_vif *arvif, + struct ieee80211_vif *vif, struct ieee80211_sta *sta, - struct ieee80211_bss_conf *bss_conf, struct wmi_peer_assoc_complete_arg *arg) { + struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); + switch (arvif->vdev_type) { case WMI_VDEV_TYPE_AP: if (sta->wme) @@ -1377,7 +1372,7 @@ static void ath10k_peer_assoc_h_qos(struct ath10k *ar, } break; case WMI_VDEV_TYPE_STA: - if (bss_conf->qos) + if (vif->bss_conf.qos) arg->peer_flags |= WMI_PEER_QOS; break; default: @@ -1386,7 +1381,7 @@ static void ath10k_peer_assoc_h_qos(struct ath10k *ar, } static void ath10k_peer_assoc_h_phymode(struct ath10k *ar, - struct ath10k_vif *arvif, + struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct wmi_peer_assoc_complete_arg *arg) { @@ -1437,22 +1432,21 @@ static void ath10k_peer_assoc_h_phymode(struct ath10k *ar, } static int ath10k_peer_assoc_prepare(struct ath10k *ar, - struct ath10k_vif *arvif, + struct ieee80211_vif *vif, struct ieee80211_sta *sta, - struct ieee80211_bss_conf *bss_conf, struct wmi_peer_assoc_complete_arg *arg) { lockdep_assert_held(&ar->conf_mutex); memset(arg, 0, sizeof(*arg)); - ath10k_peer_assoc_h_basic(ar, arvif, sta, bss_conf, arg); - ath10k_peer_assoc_h_crypto(ar, arvif, arg); + ath10k_peer_assoc_h_basic(ar, vif, sta, arg); + ath10k_peer_assoc_h_crypto(ar, vif, arg); ath10k_peer_assoc_h_rates(ar, sta, arg); ath10k_peer_assoc_h_ht(ar, sta, arg); ath10k_peer_assoc_h_vht(ar, sta, arg); - ath10k_peer_assoc_h_qos(ar, arvif, sta, bss_conf, arg); - ath10k_peer_assoc_h_phymode(ar, arvif, sta, arg); + ath10k_peer_assoc_h_qos(ar, vif, sta, arg); + ath10k_peer_assoc_h_phymode(ar, vif, sta, arg); return 0; } @@ -1512,8 +1506,7 @@ static void ath10k_bss_assoc(struct ieee80211_hw *hw, * before calling ath10k_setup_peer_smps() which might sleep. */ ht_cap = ap_sta->ht_cap; - ret = ath10k_peer_assoc_prepare(ar, arvif, ap_sta, - bss_conf, &peer_arg); + ret = ath10k_peer_assoc_prepare(ar, vif, ap_sta, &peer_arg); if (ret) { ath10k_warn(ar, "failed to prepare peer assoc for %pM vdev %i: %d\n", bss_conf->bssid, arvif->vdev_id, ret); @@ -1596,15 +1589,18 @@ static void ath10k_bss_disassoc(struct ieee80211_hw *hw, arvif->is_up = false; } -static int ath10k_station_assoc(struct ath10k *ar, struct ath10k_vif *arvif, - struct ieee80211_sta *sta, bool reassoc) +static int ath10k_station_assoc(struct ath10k *ar, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + bool reassoc) { + struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); struct wmi_peer_assoc_complete_arg peer_arg; int ret = 0; lockdep_assert_held(&ar->conf_mutex); - ret = ath10k_peer_assoc_prepare(ar, arvif, sta, NULL, &peer_arg); + ret = ath10k_peer_assoc_prepare(ar, vif, sta, &peer_arg); if (ret) { ath10k_warn(ar, "failed to prepare WMI peer assoc for %pM vdev %i: %i\n", sta->addr, arvif->vdev_id, ret); @@ -1653,9 +1649,11 @@ static int ath10k_station_assoc(struct ath10k *ar, struct ath10k_vif *arvif, return ret; } -static int ath10k_station_disassoc(struct ath10k *ar, struct ath10k_vif *arvif, +static int ath10k_station_disassoc(struct ath10k *ar, + struct ieee80211_vif *vif, struct ieee80211_sta *sta) { + struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); int ret = 0; lockdep_assert_held(&ar->conf_mutex); @@ -3497,7 +3495,7 @@ static void ath10k_sta_rc_update_wk(struct work_struct *wk) ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM supp rates\n", sta->addr); - err = ath10k_station_assoc(ar, arvif, sta, true); + err = ath10k_station_assoc(ar, arvif->vif, sta, true); if (err) ath10k_warn(ar, "failed to reassociate station: %pM\n", sta->addr); @@ -3583,7 +3581,7 @@ static int ath10k_sta_state(struct ieee80211_hw *hw, ath10k_dbg(ar, ATH10K_DBG_MAC, "mac sta %pM associated\n", sta->addr); - ret = ath10k_station_assoc(ar, arvif, sta, false); + ret = ath10k_station_assoc(ar, vif, sta, false); if (ret) ath10k_warn(ar, "failed to associate station %pM for vdev %i: %i\n", sta->addr, arvif->vdev_id, ret); @@ -3597,7 +3595,7 @@ static int ath10k_sta_state(struct ieee80211_hw *hw, ath10k_dbg(ar, ATH10K_DBG_MAC, "mac sta %pM disassociated\n", sta->addr); - ret = ath10k_station_disassoc(ar, arvif, sta); + ret = ath10k_station_disassoc(ar, vif, sta); if (ret) ath10k_warn(ar, "failed to disassociate station: %pM vdev %i: %i\n", sta->addr, arvif->vdev_id, ret); From b1ecde36adb0c488dd048aa267602803b65ccc9b Mon Sep 17 00:00:00 2001 From: Michal Kazior Date: Tue, 21 Oct 2014 10:10:29 +0300 Subject: [PATCH 39/45] ath10k: skip some commands on reassoc It doesn't make much sense to reconfigure peer completely upon reassociation. This will make it easier to have a more uniform association code across different modes. Signed-off-by: Michal Kazior Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/mac.c | 52 +++++++++++++++------------ 1 file changed, 29 insertions(+), 23 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index 39c4029d9219..d7a2d6f9a0a4 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -1615,35 +1615,41 @@ static int ath10k_station_assoc(struct ath10k *ar, return ret; } - ret = ath10k_setup_peer_smps(ar, arvif, sta->addr, &sta->ht_cap); - if (ret) { - ath10k_warn(ar, "failed to setup peer SMPS for vdev %d: %d\n", - arvif->vdev_id, ret); - return ret; - } - - if (!sta->wme && !reassoc) { - arvif->num_legacy_stations++; - ret = ath10k_recalc_rtscts_prot(arvif); + /* Re-assoc is run only to update supported rates for given station. It + * doesn't make much sense to reconfigure the peer completely. + */ + if (!reassoc) { + ret = ath10k_setup_peer_smps(ar, arvif, sta->addr, + &sta->ht_cap); if (ret) { - ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n", + ath10k_warn(ar, "failed to setup peer SMPS for vdev %d: %d\n", arvif->vdev_id, ret); return ret; } - } - ret = ath10k_install_peer_wep_keys(arvif, sta->addr); - if (ret) { - ath10k_warn(ar, "failed to install peer wep keys for vdev %i: %d\n", - arvif->vdev_id, ret); - return ret; - } + ret = ath10k_peer_assoc_qos_ap(ar, arvif, sta); + if (ret) { + ath10k_warn(ar, "failed to set qos params for STA %pM for vdev %i: %d\n", + sta->addr, arvif->vdev_id, ret); + return ret; + } - ret = ath10k_peer_assoc_qos_ap(ar, arvif, sta); - if (ret) { - ath10k_warn(ar, "failed to set qos params for STA %pM for vdev %i: %d\n", - sta->addr, arvif->vdev_id, ret); - return ret; + if (!sta->wme) { + arvif->num_legacy_stations++; + ret = ath10k_recalc_rtscts_prot(arvif); + if (ret) { + ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n", + arvif->vdev_id, ret); + return ret; + } + } + + ret = ath10k_install_peer_wep_keys(arvif, sta->addr); + if (ret) { + ath10k_warn(ar, "failed to install peer wep keys for vdev %i: %d\n", + arvif->vdev_id, ret); + return ret; + } } return ret; From 077efc8c42e8c35870946fc8d2452b70e9a13fba Mon Sep 17 00:00:00 2001 From: Michal Kazior Date: Tue, 21 Oct 2014 10:10:29 +0300 Subject: [PATCH 40/45] ath10k: clean up sta auth/assoc code The code can be symmetrical so make it so. This makes it easier to understand and work with. Signed-off-by: Michal Kazior Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/mac.c | 121 +++++++++----------------- 1 file changed, 42 insertions(+), 79 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index d7a2d6f9a0a4..78726a9bb7f1 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -1492,6 +1492,9 @@ static void ath10k_bss_assoc(struct ieee80211_hw *hw, lockdep_assert_held(&ar->conf_mutex); + ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i assoc bssid %pM aid %d\n", + arvif->vdev_id, arvif->bssid, arvif->aid); + rcu_read_lock(); ap_sta = ieee80211_find_sta(vif, bss_conf->bssid); @@ -1534,6 +1537,8 @@ static void ath10k_bss_assoc(struct ieee80211_hw *hw, "mac vdev %d up (associated) bssid %pM aid %d\n", arvif->vdev_id, bss_conf->bssid, bss_conf->aid); + WARN_ON(arvif->is_up); + arvif->aid = bss_conf->aid; ether_addr_copy(arvif->bssid, bss_conf->bssid); @@ -1547,9 +1552,6 @@ static void ath10k_bss_assoc(struct ieee80211_hw *hw, arvif->is_up = true; } -/* - * FIXME: flush TIDs - */ static void ath10k_bss_disassoc(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { @@ -1559,33 +1561,15 @@ static void ath10k_bss_disassoc(struct ieee80211_hw *hw, lockdep_assert_held(&ar->conf_mutex); - /* - * For some reason, calling VDEV-DOWN before VDEV-STOP - * makes the FW to send frames via HTT after disassociation. - * No idea why this happens, even though VDEV-DOWN is supposed - * to be analogous to link down, so just stop the VDEV. - */ - ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d stop (disassociated\n", - arvif->vdev_id); + ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i disassoc bssid %pM\n", + arvif->vdev_id, arvif->bssid); - /* FIXME: check return value */ - ret = ath10k_vdev_stop(arvif); - - /* - * If we don't call VDEV-DOWN after VDEV-STOP FW will remain active and - * report beacons from previously associated network through HTT. - * This in turn would spam mac80211 WARN_ON if we bring down all - * interfaces as it expects there is no rx when no interface is - * running. - */ - ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d down\n", arvif->vdev_id); - - /* FIXME: why don't we print error if wmi call fails? */ ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id); + if (ret) + ath10k_warn(ar, "faield to down vdev %i: %d\n", + arvif->vdev_id, ret); arvif->def_wep_key_idx = 0; - - arvif->is_started = false; arvif->is_up = false; } @@ -3116,54 +3100,8 @@ static void ath10k_bss_info_changed(struct ieee80211_hw *hw, arvif->u.ap.hidden_ssid = info->hidden_ssid; } - /* - * Firmware manages AP self-peer internally so make sure to not create - * it in driver. Otherwise AP self-peer deletion may timeout later. - */ - if (changed & BSS_CHANGED_BSSID && - vif->type != NL80211_IFTYPE_AP) { - if (!is_zero_ether_addr(info->bssid)) { - if (vif->type == NL80211_IFTYPE_STATION) { - ath10k_dbg(ar, ATH10K_DBG_MAC, - "mac vdev %d create peer %pM\n", - arvif->vdev_id, info->bssid); - - ret = ath10k_peer_create(ar, arvif->vdev_id, - info->bssid); - if (ret) - ath10k_warn(ar, "failed to add peer %pM for vdev %d when changing bssid: %i\n", - info->bssid, arvif->vdev_id, - ret); - /* - * this is never erased as we it for crypto key - * clearing; this is FW requirement - */ - ether_addr_copy(arvif->bssid, info->bssid); - - ath10k_dbg(ar, ATH10K_DBG_MAC, - "mac vdev %d start %pM\n", - arvif->vdev_id, info->bssid); - - ret = ath10k_vdev_start(arvif); - if (ret) { - ath10k_warn(ar, "failed to start vdev %i: %d\n", - arvif->vdev_id, ret); - goto exit; - } - - arvif->is_started = true; - } - - /* - * Mac80211 does not keep IBSS bssid when leaving IBSS, - * so driver need to store it. It is needed when leaving - * IBSS in order to remove BSSID peer. - */ - if (vif->type == NL80211_IFTYPE_ADHOC) - memcpy(arvif->bssid, info->bssid, - ETH_ALEN); - } - } + if (changed & BSS_CHANGED_BSSID && !is_zero_ether_addr(info->bssid)) + ether_addr_copy(arvif->bssid, info->bssid); if (changed & BSS_CHANGED_BEACON_ENABLED) ath10k_control_beaconing(arvif, info); @@ -3225,10 +3163,11 @@ static void ath10k_bss_info_changed(struct ieee80211_hw *hw, ath10k_monitor_stop(ar); ath10k_bss_assoc(hw, vif, info); ath10k_monitor_recalc(ar); + } else { + ath10k_bss_disassoc(hw, vif); } } -exit: mutex_unlock(&ar->conf_mutex); } @@ -3537,8 +3476,7 @@ static int ath10k_sta_state(struct ieee80211_hw *hw, mutex_lock(&ar->conf_mutex); if (old_state == IEEE80211_STA_NOTEXIST && - new_state == IEEE80211_STA_NONE && - vif->type != NL80211_IFTYPE_STATION) { + new_state == IEEE80211_STA_NONE) { /* * New station addition. */ @@ -3562,6 +3500,21 @@ static int ath10k_sta_state(struct ieee80211_hw *hw, if (ret) ath10k_warn(ar, "failed to add peer %pM for vdev %d when adding a new sta: %i\n", sta->addr, arvif->vdev_id, ret); + + if (vif->type == NL80211_IFTYPE_STATION) { + WARN_ON(arvif->is_started); + + ret = ath10k_vdev_start(arvif); + if (ret) { + ath10k_warn(ar, "failed to start vdev %i: %d\n", + arvif->vdev_id, ret); + WARN_ON(ath10k_peer_delete(ar, arvif->vdev_id, + sta->addr)); + goto exit; + } + + arvif->is_started = true; + } } else if ((old_state == IEEE80211_STA_NONE && new_state == IEEE80211_STA_NOTEXIST)) { /* @@ -3570,13 +3523,23 @@ static int ath10k_sta_state(struct ieee80211_hw *hw, ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d peer delete %pM (sta gone)\n", arvif->vdev_id, sta->addr); + + if (vif->type == NL80211_IFTYPE_STATION) { + WARN_ON(!arvif->is_started); + + ret = ath10k_vdev_stop(arvif); + if (ret) + ath10k_warn(ar, "failed to stop vdev %i: %d\n", + arvif->vdev_id, ret); + + arvif->is_started = false; + } + ret = ath10k_peer_delete(ar, arvif->vdev_id, sta->addr); if (ret) ath10k_warn(ar, "failed to delete peer %pM for vdev %d: %i\n", sta->addr, arvif->vdev_id, ret); - if (vif->type == NL80211_IFTYPE_STATION) - ath10k_bss_disassoc(hw, vif); } else if (old_state == IEEE80211_STA_AUTH && new_state == IEEE80211_STA_ASSOC && (vif->type == NL80211_IFTYPE_AP || From 21040bf9cb02eb688cb7f1ddaa568713d9ec3c2e Mon Sep 17 00:00:00 2001 From: Michal Kazior Date: Tue, 21 Oct 2014 10:10:30 +0300 Subject: [PATCH 41/45] ath10k: simplify computation of mgmt rx band Using global channel won't work with chanctx. Try to determine the channel from the information provided in the wmi event itself alone. This should be sufficient. Signed-off-by: Michal Kazior Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/wmi.c | 32 +++++++++++++-------------- 1 file changed, 16 insertions(+), 16 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index 829fccfebbff..ae746cece211 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -1114,7 +1114,6 @@ static int ath10k_wmi_event_mgmt_rx(struct ath10k *ar, struct sk_buff *skb) struct wmi_mgmt_rx_event_v2 *ev_v2; struct wmi_mgmt_rx_hdr_v1 *ev_hdr; struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb); - struct ieee80211_channel *ch; struct ieee80211_hdr *hdr; u32 rx_status; u32 channel; @@ -1167,25 +1166,26 @@ static int ath10k_wmi_event_mgmt_rx(struct ath10k *ar, struct sk_buff *skb) if (rx_status & WMI_RX_STATUS_ERR_MIC) status->flag |= RX_FLAG_MMIC_ERROR; - /* HW can Rx CCK rates on 5GHz. In that case phy_mode is set to + /* Hardware can Rx CCK rates on 5GHz. In that case phy_mode is set to * MODE_11B. This means phy_mode is not a reliable source for the band - * of mgmt rx. */ - - ch = ar->scan_channel; - if (!ch) - ch = ar->rx_channel; - - if (ch) { - status->band = ch->band; - - if (phy_mode == MODE_11B && - status->band == IEEE80211_BAND_5GHZ) - ath10k_dbg(ar, ATH10K_DBG_MGMT, "wmi mgmt rx 11b (CCK) on 5GHz\n"); + * of mgmt rx. + */ + if (channel >= 1 && channel <= 14) { + status->band = IEEE80211_BAND_2GHZ; + } else if (channel >= 36 && channel <= 165) { + status->band = IEEE80211_BAND_5GHZ; } else { - ath10k_warn(ar, "using (unreliable) phy_mode to extract band for mgmt rx\n"); - status->band = phy_mode_to_band(phy_mode); + /* Shouldn't happen unless list of advertised channels to + * mac80211 has been changed. + */ + WARN_ON_ONCE(1); + dev_kfree_skb(skb); + return 0; } + if (phy_mode == MODE_11B && status->band == IEEE80211_BAND_5GHZ) + ath10k_dbg(ar, ATH10K_DBG_MGMT, "wmi mgmt rx 11b (CCK) on 5GHz\n"); + status->freq = ieee80211_channel_to_frequency(channel, status->band); status->signal = snr + ATH10K_DEFAULT_NOISE_FLOOR; status->rate_idx = get_rate_idx(rate, status->band); From 7d9d5587c2e385b7a6c86547618e8adb87171e42 Mon Sep 17 00:00:00 2001 From: Michal Kazior Date: Tue, 21 Oct 2014 10:40:15 +0300 Subject: [PATCH 42/45] ath10k: use bss_info as txpower source This simply changes the source for txpower setup. It does not make ath10k use different txpower values for different vifs. This will make it easier to implement chanctx in ath10k in the future. Signed-off-by: Michal Kazior Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/core.h | 1 + drivers/net/wireless/ath/ath10k/mac.c | 94 ++++++++++++++++++++------ 2 files changed, 75 insertions(+), 20 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h index 2c286e73dbf7..1e3fd1013b70 100644 --- a/drivers/net/wireless/ath/ath10k/core.h +++ b/drivers/net/wireless/ath/ath10k/core.h @@ -287,6 +287,7 @@ struct ath10k_vif { u8 force_sgi; bool use_cts_prot; int num_legacy_stations; + int txpower; }; struct ath10k_vif_iter { diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index 78726a9bb7f1..caaa3690af69 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -2676,12 +2676,68 @@ static void ath10k_config_chan(struct ath10k *ar) ath10k_monitor_recalc(ar); } +static int ath10k_mac_txpower_setup(struct ath10k *ar, int txpower) +{ + int ret; + u32 param; + + lockdep_assert_held(&ar->conf_mutex); + + ath10k_dbg(ar, ATH10K_DBG_MAC, "mac txpower %d\n", txpower); + + param = ar->wmi.pdev_param->txpower_limit2g; + ret = ath10k_wmi_pdev_set_param(ar, param, txpower * 2); + if (ret) { + ath10k_warn(ar, "failed to set 2g txpower %d: %d\n", + txpower, ret); + return ret; + } + + param = ar->wmi.pdev_param->txpower_limit5g; + ret = ath10k_wmi_pdev_set_param(ar, param, txpower * 2); + if (ret) { + ath10k_warn(ar, "failed to set 5g txpower %d: %d\n", + txpower, ret); + return ret; + } + + return 0; +} + +static int ath10k_mac_txpower_recalc(struct ath10k *ar) +{ + struct ath10k_vif *arvif; + int ret, txpower = -1; + + lockdep_assert_held(&ar->conf_mutex); + + list_for_each_entry(arvif, &ar->arvifs, list) { + WARN_ON(arvif->txpower < 0); + + if (txpower == -1) + txpower = arvif->txpower; + else + txpower = min(txpower, arvif->txpower); + } + + if (WARN_ON(txpower == -1)) + return -EINVAL; + + ret = ath10k_mac_txpower_setup(ar, txpower); + if (ret) { + ath10k_warn(ar, "failed to setup tx power %d: %d\n", + txpower, ret); + return ret; + } + + return 0; +} + static int ath10k_config(struct ieee80211_hw *hw, u32 changed) { struct ath10k *ar = hw->priv; struct ieee80211_conf *conf = &hw->conf; int ret = 0; - u32 param; mutex_lock(&ar->conf_mutex); @@ -2705,25 +2761,6 @@ static int ath10k_config(struct ieee80211_hw *hw, u32 changed) } } - if (changed & IEEE80211_CONF_CHANGE_POWER) { - ath10k_dbg(ar, ATH10K_DBG_MAC, "mac config power %d\n", - hw->conf.power_level); - - param = ar->wmi.pdev_param->txpower_limit2g; - ret = ath10k_wmi_pdev_set_param(ar, param, - hw->conf.power_level * 2); - if (ret) - ath10k_warn(ar, "failed to set 2g txpower %d: %d\n", - hw->conf.power_level, ret); - - param = ar->wmi.pdev_param->txpower_limit5g; - ret = ath10k_wmi_pdev_set_param(ar, param, - hw->conf.power_level * 2); - if (ret) - ath10k_warn(ar, "failed to set 5g txpower %d: %d\n", - hw->conf.power_level, ret); - } - if (changed & IEEE80211_CONF_CHANGE_PS) ath10k_config_ps(ar); @@ -2932,6 +2969,13 @@ static int ath10k_add_interface(struct ieee80211_hw *hw, goto err_peer_delete; } + arvif->txpower = vif->bss_conf.txpower; + ret = ath10k_mac_txpower_recalc(ar); + if (ret) { + ath10k_warn(ar, "failed to recalc tx power: %d\n", ret); + goto err_peer_delete; + } + mutex_unlock(&ar->conf_mutex); return 0; @@ -3168,6 +3212,16 @@ static void ath10k_bss_info_changed(struct ieee80211_hw *hw, } } + if (changed & BSS_CHANGED_TXPOWER) { + ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev_id %i txpower %d\n", + arvif->vdev_id, info->txpower); + + arvif->txpower = info->txpower; + ret = ath10k_mac_txpower_recalc(ar); + if (ret) + ath10k_warn(ar, "failed to recalc tx power: %d\n", ret); + } + mutex_unlock(&ar->conf_mutex); } From a428249da9f9ef169d09d1a637d19a27991122da Mon Sep 17 00:00:00 2001 From: Michal Kazior Date: Mon, 20 Oct 2014 14:14:37 +0200 Subject: [PATCH 43/45] ath10k: re-disable interrupts after target init If MSI isn't configured device ROM program expects legacy interrupts to be enabled before it can fully boot. Don't forget to disable legacy interrupts after that. While at it re-use the legacy irq enabling helper instead of calling ath10k_pci_write32(). Signed-off-by: Michal Kazior Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/pci.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c index 86f734e74103..9d700d1530d2 100644 --- a/drivers/net/wireless/ath/ath10k/pci.c +++ b/drivers/net/wireless/ath/ath10k/pci.c @@ -2279,14 +2279,13 @@ static int ath10k_pci_wait_for_target_init(struct ath10k *ar) if (ar_pci->num_msi_intrs == 0) /* Fix potential race by repeating CORE_BASE writes */ - ath10k_pci_write32(ar, SOC_CORE_BASE_ADDRESS + - PCIE_INTR_ENABLE_ADDRESS, - PCIE_INTR_FIRMWARE_MASK | - PCIE_INTR_CE_MASK_ALL); + ath10k_pci_enable_legacy_irq(ar); mdelay(10); } while (time_before(jiffies, timeout)); + ath10k_pci_disable_and_clear_legacy_irq(ar); + if (val == 0xffffffff) { ath10k_err(ar, "failed to read device register, device is gone\n"); return -EIO; From 7c0f0e3c9797e5a08d15da68812f24eadaf9e82b Mon Sep 17 00:00:00 2001 From: Michal Kazior Date: Mon, 20 Oct 2014 14:14:38 +0200 Subject: [PATCH 44/45] ath10k: mask/unmask msi fw irq This was the final missing bit to making sure the device doesn't assert interrupts to host. This should fix possible race when target crashes during driver teardown. This also removes an early warm reset workaround during pci probing. Signed-off-by: Michal Kazior Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/hw.h | 1 + drivers/net/wireless/ath/ath10k/pci.c | 53 ++++++++++++++++----------- 2 files changed, 32 insertions(+), 22 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/hw.h b/drivers/net/wireless/ath/ath10k/hw.h index ef09fe8cb4b2..392c2501d0a1 100644 --- a/drivers/net/wireless/ath/ath10k/hw.h +++ b/drivers/net/wireless/ath/ath10k/hw.h @@ -291,6 +291,7 @@ struct ath10k_pktlog_hdr { #define SI_RX_DATA1_OFFSET 0x00000014 #define CORE_CTRL_CPU_INTR_MASK 0x00002000 +#define CORE_CTRL_PCIE_REG_31_MASK 0x00000800 #define CORE_CTRL_ADDRESS 0x0000 #define PCIE_INTR_ENABLE_ADDRESS 0x0008 #define PCIE_INTR_CAUSE_ADDRESS 0x000c diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c index 9d700d1530d2..243099d62ee9 100644 --- a/drivers/net/wireless/ath/ath10k/pci.c +++ b/drivers/net/wireless/ath/ath10k/pci.c @@ -1143,15 +1143,38 @@ static void ath10k_pci_hif_get_default_pipe(struct ath10k *ar, &dl_is_polled); } +static void ath10k_pci_irq_msi_fw_mask(struct ath10k *ar) +{ + u32 val; + + val = ath10k_pci_read32(ar, SOC_CORE_BASE_ADDRESS + CORE_CTRL_ADDRESS); + val &= ~CORE_CTRL_PCIE_REG_31_MASK; + + ath10k_pci_write32(ar, SOC_CORE_BASE_ADDRESS + CORE_CTRL_ADDRESS, val); +} + +static void ath10k_pci_irq_msi_fw_unmask(struct ath10k *ar) +{ + u32 val; + + val = ath10k_pci_read32(ar, SOC_CORE_BASE_ADDRESS + CORE_CTRL_ADDRESS); + val |= CORE_CTRL_PCIE_REG_31_MASK; + + ath10k_pci_write32(ar, SOC_CORE_BASE_ADDRESS + CORE_CTRL_ADDRESS, val); +} + static void ath10k_pci_irq_disable(struct ath10k *ar) +{ + ath10k_ce_disable_interrupts(ar); + ath10k_pci_disable_and_clear_legacy_irq(ar); + ath10k_pci_irq_msi_fw_mask(ar); +} + +static void ath10k_pci_irq_sync(struct ath10k *ar) { struct ath10k_pci *ar_pci = ath10k_pci_priv(ar); int i; - ath10k_ce_disable_interrupts(ar); - ath10k_pci_disable_and_clear_legacy_irq(ar); - /* FIXME: How to mask all MSI interrupts? */ - for (i = 0; i < max(1, ar_pci->num_msi_intrs); i++) synchronize_irq(ar_pci->pdev->irq + i); } @@ -1160,7 +1183,7 @@ static void ath10k_pci_irq_enable(struct ath10k *ar) { ath10k_ce_enable_interrupts(ar); ath10k_pci_enable_legacy_irq(ar); - /* FIXME: How to unmask all MSI interrupts? */ + ath10k_pci_irq_msi_fw_unmask(ar); } static int ath10k_pci_hif_start(struct ath10k *ar) @@ -1288,6 +1311,7 @@ static void ath10k_pci_hif_stop(struct ath10k *ar) ath10k_pci_warm_reset(ar); ath10k_pci_irq_disable(ar); + ath10k_pci_irq_sync(ar); ath10k_pci_flush(ar); } @@ -2285,6 +2309,7 @@ static int ath10k_pci_wait_for_target_init(struct ath10k *ar) } while (time_before(jiffies, timeout)); ath10k_pci_disable_and_clear_legacy_irq(ar); + ath10k_pci_irq_msi_fw_mask(ar); if (val == 0xffffffff) { ath10k_err(ar, "failed to read device register, device is gone\n"); @@ -2478,20 +2503,7 @@ static int ath10k_pci_probe(struct pci_dev *pdev, } ath10k_pci_ce_deinit(ar); - - ret = ath10k_ce_disable_interrupts(ar); - if (ret) { - ath10k_err(ar, "failed to disable copy engine interrupts: %d\n", - ret); - goto err_free_ce; - } - - /* Workaround: There's no known way to mask all possible interrupts via - * device CSR. The only way to make sure device doesn't assert - * interrupts is to reset it. Interrupts are then disabled on host - * after handlers are registered. - */ - ath10k_pci_warm_reset(ar); + ath10k_pci_irq_disable(ar); ret = ath10k_pci_init_irq(ar); if (ret) { @@ -2509,9 +2521,6 @@ static int ath10k_pci_probe(struct pci_dev *pdev, goto err_deinit_irq; } - /* This shouldn't race as the device has been reset above. */ - ath10k_pci_irq_disable(ar); - ret = ath10k_core_register(ar, chip_id); if (ret) { ath10k_err(ar, "failed to register driver core: %d\n", ret); From 84cbf3a7592879810f80cece6c7f736f099ab163 Mon Sep 17 00:00:00 2001 From: Michal Kazior Date: Mon, 20 Oct 2014 14:14:39 +0200 Subject: [PATCH 45/45] ath10k: split ce pipe init/alloc further Calling init to reinit ce pipe state would also re-set all static structure links and setting (which don't change over driver lifecycle). Make it so alloc links structures and initializes static data and init part to setup state variables and clear stuff. Signed-off-by: Michal Kazior Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/ce.c | 56 +++++++++++----------- drivers/net/wireless/ath/ath10k/ce.h | 8 ++-- drivers/net/wireless/ath/ath10k/pci.c | 67 +++++++++++++-------------- 3 files changed, 62 insertions(+), 69 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/ce.c b/drivers/net/wireless/ath/ath10k/ce.c index 4745ef2a6f01..9b89ac133946 100644 --- a/drivers/net/wireless/ath/ath10k/ce.c +++ b/drivers/net/wireless/ath/ath10k/ce.c @@ -1023,37 +1023,10 @@ ath10k_ce_alloc_dest_ring(struct ath10k *ar, unsigned int ce_id, * initialized by software/firmware. */ int ath10k_ce_init_pipe(struct ath10k *ar, unsigned int ce_id, - const struct ce_attr *attr, - void (*send_cb)(struct ath10k_ce_pipe *), - void (*recv_cb)(struct ath10k_ce_pipe *)) + const struct ce_attr *attr) { - struct ath10k_pci *ar_pci = ath10k_pci_priv(ar); - struct ath10k_ce_pipe *ce_state = &ar_pci->ce_states[ce_id]; int ret; - /* - * Make sure there's enough CE ringbuffer entries for HTT TX to avoid - * additional TX locking checks. - * - * For the lack of a better place do the check here. - */ - BUILD_BUG_ON(2*TARGET_NUM_MSDU_DESC > - (CE_HTT_H2T_MSG_SRC_NENTRIES - 1)); - BUILD_BUG_ON(2*TARGET_10X_NUM_MSDU_DESC > - (CE_HTT_H2T_MSG_SRC_NENTRIES - 1)); - - spin_lock_bh(&ar_pci->ce_lock); - ce_state->ar = ar; - ce_state->id = ce_id; - ce_state->ctrl_addr = ath10k_ce_base_address(ce_id); - ce_state->attr_flags = attr->flags; - ce_state->src_sz_max = attr->src_sz_max; - if (attr->src_nentries) - ce_state->send_cb = send_cb; - if (attr->dest_nentries) - ce_state->recv_cb = recv_cb; - spin_unlock_bh(&ar_pci->ce_lock); - if (attr->src_nentries) { ret = ath10k_ce_init_src_ring(ar, ce_id, attr); if (ret) { @@ -1101,12 +1074,37 @@ void ath10k_ce_deinit_pipe(struct ath10k *ar, unsigned int ce_id) } int ath10k_ce_alloc_pipe(struct ath10k *ar, int ce_id, - const struct ce_attr *attr) + const struct ce_attr *attr, + void (*send_cb)(struct ath10k_ce_pipe *), + void (*recv_cb)(struct ath10k_ce_pipe *)) { struct ath10k_pci *ar_pci = ath10k_pci_priv(ar); struct ath10k_ce_pipe *ce_state = &ar_pci->ce_states[ce_id]; int ret; + /* + * Make sure there's enough CE ringbuffer entries for HTT TX to avoid + * additional TX locking checks. + * + * For the lack of a better place do the check here. + */ + BUILD_BUG_ON(2*TARGET_NUM_MSDU_DESC > + (CE_HTT_H2T_MSG_SRC_NENTRIES - 1)); + BUILD_BUG_ON(2*TARGET_10X_NUM_MSDU_DESC > + (CE_HTT_H2T_MSG_SRC_NENTRIES - 1)); + + ce_state->ar = ar; + ce_state->id = ce_id; + ce_state->ctrl_addr = ath10k_ce_base_address(ce_id); + ce_state->attr_flags = attr->flags; + ce_state->src_sz_max = attr->src_sz_max; + + if (attr->src_nentries) + ce_state->send_cb = send_cb; + + if (attr->dest_nentries) + ce_state->recv_cb = recv_cb; + if (attr->src_nentries) { ce_state->src_ring = ath10k_ce_alloc_src_ring(ar, ce_id, attr); if (IS_ERR(ce_state->src_ring)) { diff --git a/drivers/net/wireless/ath/ath10k/ce.h b/drivers/net/wireless/ath/ath10k/ce.h index 608262ab964e..617a151e8ce4 100644 --- a/drivers/net/wireless/ath/ath10k/ce.h +++ b/drivers/net/wireless/ath/ath10k/ce.h @@ -201,12 +201,12 @@ int ath10k_ce_completed_send_next_nolock(struct ath10k_ce_pipe *ce_state, /*==================CE Engine Initialization=======================*/ int ath10k_ce_init_pipe(struct ath10k *ar, unsigned int ce_id, - const struct ce_attr *attr, - void (*send_cb)(struct ath10k_ce_pipe *), - void (*recv_cb)(struct ath10k_ce_pipe *)); + const struct ce_attr *attr); void ath10k_ce_deinit_pipe(struct ath10k *ar, unsigned int ce_id); int ath10k_ce_alloc_pipe(struct ath10k *ar, int ce_id, - const struct ce_attr *attr); + const struct ce_attr *attr, + void (*send_cb)(struct ath10k_ce_pipe *), + void (*recv_cb)(struct ath10k_ce_pipe *)); void ath10k_ce_free_pipe(struct ath10k *ar, int ce_id); /*==================CE Engine Shutdown=======================*/ diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c index 243099d62ee9..4a4740b4bdc0 100644 --- a/drivers/net/wireless/ath/ath10k/pci.c +++ b/drivers/net/wireless/ath/ath10k/pci.c @@ -1615,23 +1615,40 @@ static int ath10k_pci_init_config(struct ath10k *ar) return 0; } -static int ath10k_pci_alloc_ce(struct ath10k *ar) +static int ath10k_pci_alloc_pipes(struct ath10k *ar) { + struct ath10k_pci *ar_pci = ath10k_pci_priv(ar); + struct ath10k_pci_pipe *pipe; int i, ret; for (i = 0; i < CE_COUNT; i++) { - ret = ath10k_ce_alloc_pipe(ar, i, &host_ce_config_wlan[i]); + pipe = &ar_pci->pipe_info[i]; + pipe->ce_hdl = &ar_pci->ce_states[i]; + pipe->pipe_num = i; + pipe->hif_ce_state = ar; + + ret = ath10k_ce_alloc_pipe(ar, i, &host_ce_config_wlan[i], + ath10k_pci_ce_send_done, + ath10k_pci_ce_recv_data); if (ret) { ath10k_err(ar, "failed to allocate copy engine pipe %d: %d\n", i, ret); return ret; } + + /* Last CE is Diagnostic Window */ + if (i == CE_COUNT - 1) { + ar_pci->ce_diag = pipe->ce_hdl; + continue; + } + + pipe->buf_sz = (size_t)(host_ce_config_wlan[i].src_sz_max); } return 0; } -static void ath10k_pci_free_ce(struct ath10k *ar) +static void ath10k_pci_free_pipes(struct ath10k *ar) { int i; @@ -1639,39 +1656,17 @@ static void ath10k_pci_free_ce(struct ath10k *ar) ath10k_ce_free_pipe(ar, i); } -static int ath10k_pci_ce_init(struct ath10k *ar) +static int ath10k_pci_init_pipes(struct ath10k *ar) { - struct ath10k_pci *ar_pci = ath10k_pci_priv(ar); - struct ath10k_pci_pipe *pipe_info; - const struct ce_attr *attr; - int pipe_num, ret; + int i, ret; - for (pipe_num = 0; pipe_num < CE_COUNT; pipe_num++) { - pipe_info = &ar_pci->pipe_info[pipe_num]; - pipe_info->ce_hdl = &ar_pci->ce_states[pipe_num]; - pipe_info->pipe_num = pipe_num; - pipe_info->hif_ce_state = ar; - attr = &host_ce_config_wlan[pipe_num]; - - ret = ath10k_ce_init_pipe(ar, pipe_num, attr, - ath10k_pci_ce_send_done, - ath10k_pci_ce_recv_data); + for (i = 0; i < CE_COUNT; i++) { + ret = ath10k_ce_init_pipe(ar, i, &host_ce_config_wlan[i]); if (ret) { ath10k_err(ar, "failed to initialize copy engine pipe %d: %d\n", - pipe_num, ret); + i, ret); return ret; } - - if (pipe_num == CE_COUNT - 1) { - /* - * Reserve the ultimate CE for - * diagnostic Window support - */ - ar_pci->ce_diag = pipe_info->ce_hdl; - continue; - } - - pipe_info->buf_sz = (size_t)(attr->src_sz_max); } return 0; @@ -1825,7 +1820,7 @@ static int __ath10k_pci_hif_power_up(struct ath10k *ar, bool cold_reset) goto err; } - ret = ath10k_pci_ce_init(ar); + ret = ath10k_pci_init_pipes(ar); if (ret) { ath10k_err(ar, "failed to initialize CE: %d\n", ret); goto err; @@ -2495,7 +2490,7 @@ static int ath10k_pci_probe(struct pci_dev *pdev, goto err_sleep; } - ret = ath10k_pci_alloc_ce(ar); + ret = ath10k_pci_alloc_pipes(ar); if (ret) { ath10k_err(ar, "failed to allocate copy engine pipes: %d\n", ret); @@ -2508,7 +2503,7 @@ static int ath10k_pci_probe(struct pci_dev *pdev, ret = ath10k_pci_init_irq(ar); if (ret) { ath10k_err(ar, "failed to init irqs: %d\n", ret); - goto err_free_ce; + goto err_free_pipes; } ath10k_info(ar, "pci irq %s interrupts %d irq_mode %d reset_mode %d\n", @@ -2536,8 +2531,8 @@ err_free_irq: err_deinit_irq: ath10k_pci_deinit_irq(ar); -err_free_ce: - ath10k_pci_free_ce(ar); +err_free_pipes: + ath10k_pci_free_pipes(ar); err_sleep: ath10k_pci_sleep(ar); @@ -2571,7 +2566,7 @@ static void ath10k_pci_remove(struct pci_dev *pdev) ath10k_pci_kill_tasklet(ar); ath10k_pci_deinit_irq(ar); ath10k_pci_ce_deinit(ar); - ath10k_pci_free_ce(ar); + ath10k_pci_free_pipes(ar); ath10k_pci_sleep(ar); ath10k_pci_release(ar); ath10k_core_destroy(ar);