diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/scan.h b/drivers/net/wireless/intel/iwlwifi/fw/api/scan.h index 1b2b5fa56e19..2e70e4e752e1 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/api/scan.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/api/scan.h @@ -702,13 +702,16 @@ struct iwl_scan_channel_cfg_umac { u8 channel_num; u8 iter_count; __le16 iter_interval; - } v1; /* SCAN_CHANNEL_CFG_S_VER1 */ + } v1; /* SCAN_CHANNEL_CONFIG_API_S_VER_1 */ struct { u8 channel_num; u8 band; u8 iter_count; u8 iter_interval; - } v2; /* SCAN_CHANNEL_CFG_S_VER2 */ + } v2; /* SCAN_CHANNEL_CONFIG_API_S_VER_2 + * SCAN_CHANNEL_CONFIG_API_S_VER_3 + * SCAN_CHANNEL_CONFIG_API_S_VER_4 + */ }; } __packed; @@ -943,6 +946,25 @@ struct iwl_scan_channel_params_v4 { u8 adwell_ch_override_bitmap[16]; } __packed; /* SCAN_CHANNEL_PARAMS_API_S_VER_4 also SCAN_CHANNEL_PARAMS_API_S_VER_5 */ + +/** + * struct iwl_scan_channel_params_v6 + * @flags: channel flags &enum iwl_scan_channel_flags + * @count: num of channels in scan request + * @n_aps_override: override the number of APs the FW uses to calculate dwell + * time when adaptive dwell is used. + * Channel k will use n_aps_override[i] when BIT(20 + i) is set in + * channel_config[k].flags + * @channel_config: array of explicit channel configurations + * for 2.4Ghz and 5.2Ghz bands + */ +struct iwl_scan_channel_params_v6 { + u8 flags; + u8 count; + u8 n_aps_override[2]; + struct iwl_scan_channel_cfg_umac channel_config[SCAN_MAX_NUM_CHANS_V3]; +} __packed; /* SCAN_CHANNEL_PARAMS_API_S_VER_6 */ + /** * struct iwl_scan_general_params_v10 * @flags: &enum iwl_umac_scan_flags @@ -1023,6 +1045,20 @@ struct iwl_scan_req_params_v13 { struct iwl_scan_probe_params_v4 probe_params; } __packed; /* SCAN_REQUEST_PARAMS_API_S_VER_13 */ +/** + * struct iwl_scan_req_params_v14 + * @general_params: &struct iwl_scan_general_params_v10 + * @channel_params: &struct iwl_scan_channel_params_v6 + * @periodic_params: &struct iwl_scan_periodic_parms_v1 + * @probe_params: &struct iwl_scan_probe_params_v4 + */ +struct iwl_scan_req_params_v14 { + struct iwl_scan_general_params_v10 general_params; + struct iwl_scan_channel_params_v6 channel_params; + struct iwl_scan_periodic_parms_v1 periodic_params; + struct iwl_scan_probe_params_v4 probe_params; +} __packed; /* SCAN_REQUEST_PARAMS_API_S_VER_14 */ + /** * struct iwl_scan_req_umac_v12 * @uid: scan id, &enum iwl_umac_scan_uid_offsets @@ -1047,6 +1083,18 @@ struct iwl_scan_req_umac_v13 { struct iwl_scan_req_params_v13 scan_params; } __packed; /* SCAN_REQUEST_CMD_UMAC_API_S_VER_13 */ +/** + * struct iwl_scan_req_umac_v14 + * @uid: scan id, &enum iwl_umac_scan_uid_offsets + * @ooc_priority: out of channel priority - &enum iwl_scan_priority + * @scan_params: scan parameters + */ +struct iwl_scan_req_umac_v14 { + __le32 uid; + __le32 ooc_priority; + struct iwl_scan_req_params_v14 scan_params; +} __packed; /* SCAN_REQUEST_CMD_UMAC_API_S_VER_14 */ + /** * struct iwl_umac_scan_abort * @uid: scan id, &enum iwl_umac_scan_uid_offsets diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c index 3b263c81bcae..1fa74086a4f7 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c @@ -91,8 +91,14 @@ #define IWL_SCAN_ADWELL_DEFAULT_N_APS_SOCIAL 10 /* number of scan channels */ #define IWL_SCAN_NUM_CHANNELS 112 -/* adaptive dwell default number of APs override */ -#define IWL_SCAN_ADWELL_DEFAULT_N_APS_OVERRIDE 10 +/* adaptive dwell number of APs override mask for p2p friendly GO */ +#define IWL_SCAN_ADWELL_N_APS_GO_FRIENDLY_BIT BIT(20) +/* adaptive dwell number of APs override mask for social channels */ +#define IWL_SCAN_ADWELL_N_APS_SOCIAL_CHS_BIT BIT(21) +/* adaptive dwell number of APs override for p2p friendly GO channels */ +#define IWL_SCAN_ADWELL_N_APS_GO_FRIENDLY 10 +/* adaptive dwell number of APs override for social channels */ +#define IWL_SCAN_ADWELL_N_APS_SOCIAL_CHS 2 struct iwl_mvm_scan_timing_params { u32 suspend_time; @@ -1529,14 +1535,19 @@ static int iwl_mvm_scan_ch_and_band_to_idx(u8 channel_id, u8 band) return -EINVAL; } +static const u8 p2p_go_friendly_chs[] = { + 36, 40, 44, 48, 149, 153, 157, 161, 165, +}; + +static const u8 social_chs[] = { + 1, 6, 11 +}; + static void iwl_mvm_scan_ch_add_n_aps_override(enum nl80211_iftype vif_type, u8 ch_id, u8 band, u8 *ch_bitmap, size_t bitmap_n_entries) { int i; - static const u8 p2p_go_friendly_chs[] = { - 36, 40, 44, 48, 149, 153, 157, 161, 165, - }; if (vif_type != NL80211_IFTYPE_P2P_DEVICE) return; @@ -1561,6 +1572,35 @@ static void iwl_mvm_scan_ch_add_n_aps_override(enum nl80211_iftype vif_type, } } +static u32 iwl_mvm_scan_ch_n_aps_flag(enum nl80211_iftype vif_type, u8 ch_id) +{ + int i; + u32 flags = 0; + + if (vif_type != NL80211_IFTYPE_P2P_DEVICE) + goto out; + + for (i = 0; i < ARRAY_SIZE(p2p_go_friendly_chs); i++) { + if (p2p_go_friendly_chs[i] == ch_id) { + flags |= IWL_SCAN_ADWELL_N_APS_GO_FRIENDLY_BIT; + break; + } + } + + if (flags) + goto out; + + for (i = 0; i < ARRAY_SIZE(social_chs); i++) { + if (social_chs[i] == ch_id) { + flags |= IWL_SCAN_ADWELL_N_APS_SOCIAL_CHS_BIT; + break; + } + } + +out: + return flags; +} + static void iwl_mvm_umac_scan_cfg_channels(struct iwl_mvm *mvm, struct ieee80211_channel **channels, @@ -1615,6 +1655,30 @@ iwl_mvm_umac_scan_cfg_channels_v4(struct iwl_mvm *mvm, } } +static void +iwl_mvm_umac_scan_cfg_channels_v6(struct iwl_mvm *mvm, + struct ieee80211_channel **channels, + struct iwl_scan_channel_params_v6 *cp, + int n_channels, u32 flags, + enum nl80211_iftype vif_type) +{ + int i; + + for (i = 0; i < n_channels; i++) { + enum nl80211_band band = channels[i]->band; + struct iwl_scan_channel_cfg_umac *cfg = &cp->channel_config[i]; + u32 n_aps_flag = + iwl_mvm_scan_ch_n_aps_flag(vif_type, + cfg->v2.channel_num); + + cfg->flags = cpu_to_le32(flags | n_aps_flag); + cfg->v2.channel_num = channels[i]->hw_value; + cfg->v2.band = iwl_mvm_phy_band_from_nl80211(band); + cfg->v2.iter_count = 1; + cfg->v2.iter_interval = 0; + } +} + static u8 iwl_mvm_scan_umac_chan_flags_v2(struct iwl_mvm *mvm, struct iwl_mvm_scan_params *params, struct ieee80211_vif *vif) @@ -1915,7 +1979,7 @@ iwl_mvm_scan_umac_fill_ch_p_v4(struct iwl_mvm *mvm, { cp->flags = iwl_mvm_scan_umac_chan_flags_v2(mvm, params, vif); cp->count = params->n_channels; - cp->num_of_aps_override = IWL_SCAN_ADWELL_DEFAULT_N_APS_OVERRIDE; + cp->num_of_aps_override = IWL_SCAN_ADWELL_N_APS_GO_FRIENDLY; iwl_mvm_umac_scan_cfg_channels_v4(mvm, params->channels, cp, params->n_channels, @@ -1923,6 +1987,23 @@ iwl_mvm_scan_umac_fill_ch_p_v4(struct iwl_mvm *mvm, vif->type); } +static void +iwl_mvm_scan_umac_fill_ch_p_v6(struct iwl_mvm *mvm, + struct iwl_mvm_scan_params *params, + struct ieee80211_vif *vif, + struct iwl_scan_channel_params_v6 *cp, + u32 channel_cfg_flags) +{ + cp->flags = iwl_mvm_scan_umac_chan_flags_v2(mvm, params, vif); + cp->count = params->n_channels; + cp->n_aps_override[0] = IWL_SCAN_ADWELL_N_APS_GO_FRIENDLY; + cp->n_aps_override[1] = IWL_SCAN_ADWELL_N_APS_SOCIAL_CHS; + + iwl_mvm_umac_scan_cfg_channels_v6(mvm, params->channels, cp, + params->n_channels, + channel_cfg_flags, + vif->type); +} static int iwl_mvm_scan_umac_v12(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct iwl_mvm_scan_params *params, int type, @@ -1990,6 +2071,40 @@ static int iwl_mvm_scan_umac_v13(struct iwl_mvm *mvm, struct ieee80211_vif *vif, return 0; } +static int iwl_mvm_scan_umac_v14(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct iwl_mvm_scan_params *params, int type, + int uid) +{ + struct iwl_scan_req_umac_v14 *cmd = mvm->scan_cmd; + struct iwl_scan_req_params_v14 *scan_p = &cmd->scan_params; + int ret; + u16 gen_flags; + u32 bitmap_ssid = 0; + + mvm->scan_uid_status[uid] = type; + + cmd->ooc_priority = cpu_to_le32(iwl_mvm_scan_umac_ooc_priority(params)); + cmd->uid = cpu_to_le32(uid); + + gen_flags = iwl_mvm_scan_umac_flags_v2(mvm, params, vif, type); + iwl_mvm_scan_umac_fill_general_p_v10(mvm, params, vif, + &scan_p->general_params, + gen_flags); + + ret = iwl_mvm_fill_scan_sched_params(params, + scan_p->periodic_params.schedule, + &scan_p->periodic_params.delay); + if (ret) + return ret; + + iwl_mvm_scan_umac_fill_probe_p_v4(params, &scan_p->probe_params, + &bitmap_ssid); + iwl_mvm_scan_umac_fill_ch_p_v6(mvm, params, vif, + &scan_p->channel_params, bitmap_ssid); + + return 0; +} + static int iwl_mvm_num_scans(struct iwl_mvm *mvm) { return hweight32(mvm->scan_status & IWL_MVM_SCAN_MASK); @@ -2105,6 +2220,7 @@ struct iwl_scan_umac_handler { static const struct iwl_scan_umac_handler iwl_scan_umac_handlers[] = { /* set the newest version first to shorten the list traverse time */ + IWL_SCAN_UMAC_HANDLER(14), IWL_SCAN_UMAC_HANDLER(13), IWL_SCAN_UMAC_HANDLER(12), }; @@ -2463,6 +2579,7 @@ static int iwl_mvm_scan_stop_wait(struct iwl_mvm *mvm, int type) static int iwl_scan_req_umac_get_size(u8 scan_ver) { switch (scan_ver) { + IWL_SCAN_REQ_UMAC_HANDLE_SIZE(14); IWL_SCAN_REQ_UMAC_HANDLE_SIZE(13); IWL_SCAN_REQ_UMAC_HANDLE_SIZE(12); }