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Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next 

Conflicts:
	drivers/net/wireless/mac80211_hwsim.c
This commit is contained in:
John W. Linville 2012-08-21 16:00:21 -04:00
parent 22c5649eef dcf33963c4
commit 01e17dacd4
84 changed files with 1241 additions and 613 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/wireless/adm8211.c
View File

@ -1661,7 +1661,9 @@ static void adm8211_tx_raw(struct ieee80211_hw *dev, struct sk_buff *skb,
}
/* Put adm8211_tx_hdr on skb and transmit */
static void adm8211_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
static void adm8211_tx(struct ieee80211_hw *dev,
struct ieee80211_tx_control *control,
struct sk_buff *skb)
{
struct adm8211_tx_hdr *txhdr;
size_t payload_len, hdrlen;

4
drivers/net/wireless/at76c50x-usb.c
View File

@ -1726,7 +1726,9 @@ static void at76_mac80211_tx_callback(struct urb *urb)
ieee80211_wake_queues(priv->hw);
}
static void at76_mac80211_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
static void at76_mac80211_tx(struct ieee80211_hw *hw,
struct ieee80211_tx_control *control,
struct sk_buff *skb)
{
struct at76_priv *priv = hw->priv;
struct at76_tx_buffer *tx_buffer = priv->bulk_out_buffer;

3
drivers/net/wireless/ath/ath5k/mac80211-ops.c
View File

@ -55,7 +55,8 @@
\********************/
static void
ath5k_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
ath5k_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control,
struct sk_buff *skb)
{
struct ath5k_hw *ah = hw->priv;
u16 qnum = skb_get_queue_mapping(skb);

1
drivers/net/wireless/ath/ath9k/ath9k.h
View File

@ -280,6 +280,7 @@ struct ath_tx_control {
struct ath_txq *txq;
struct ath_node *an;
u8 paprd;
struct ieee80211_sta *sta;
};
#define ATH_TX_ERROR 0x01

1
drivers/net/wireless/ath/ath9k/htc.h
View File

@ -542,6 +542,7 @@ void ath9k_htc_stop_ani(struct ath9k_htc_priv *priv);
int ath9k_tx_init(struct ath9k_htc_priv *priv);
int ath9k_htc_tx_start(struct ath9k_htc_priv *priv,
struct ieee80211_sta *sta,
struct sk_buff *skb, u8 slot, bool is_cab);
void ath9k_tx_cleanup(struct ath9k_htc_priv *priv);
bool ath9k_htc_txq_setup(struct ath9k_htc_priv *priv, int subtype);

2
drivers/net/wireless/ath/ath9k/htc_drv_beacon.c
View File

@ -326,7 +326,7 @@ static void ath9k_htc_send_buffered(struct ath9k_htc_priv *priv,
goto next;
}
ret = ath9k_htc_tx_start(priv, skb, tx_slot, true);
ret = ath9k_htc_tx_start(priv, NULL, skb, tx_slot, true);
if (ret != 0) {
ath9k_htc_tx_clear_slot(priv, tx_slot);
dev_kfree_skb_any(skb);

6
drivers/net/wireless/ath/ath9k/htc_drv_main.c
View File

@ -856,7 +856,9 @@ set_timer:
/* mac80211 Callbacks */
/**********************/
static void ath9k_htc_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
static void ath9k_htc_tx(struct ieee80211_hw *hw,
struct ieee80211_tx_control *control,
struct sk_buff *skb)
{
struct ieee80211_hdr *hdr;
struct ath9k_htc_priv *priv = hw->priv;
@ -883,7 +885,7 @@ static void ath9k_htc_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
goto fail_tx;
}
ret = ath9k_htc_tx_start(priv, skb, slot, false);
ret = ath9k_htc_tx_start(priv, control->sta, skb, slot, false);
if (ret != 0) {
ath_dbg(common, XMIT, "Tx failed\n");
goto clear_slot;

2
drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
View File

@ -333,12 +333,12 @@ static void ath9k_htc_tx_data(struct ath9k_htc_priv *priv,
}
int ath9k_htc_tx_start(struct ath9k_htc_priv *priv,
struct ieee80211_sta *sta,
struct sk_buff *skb,
u8 slot, bool is_cab)
{
struct ieee80211_hdr *hdr;
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
struct ieee80211_sta *sta = tx_info->control.sta;
struct ieee80211_vif *vif = tx_info->control.vif;
struct ath9k_htc_sta *ista;
struct ath9k_htc_vif *avp = NULL;

5
drivers/net/wireless/ath/ath9k/main.c
View File

@ -694,7 +694,9 @@ mutex_unlock:
return r;
}
static void ath9k_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
static void ath9k_tx(struct ieee80211_hw *hw,
struct ieee80211_tx_control *control,
struct sk_buff *skb)
{
struct ath_softc *sc = hw->priv;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
@ -754,6 +756,7 @@ static void ath9k_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
memset(&txctl, 0, sizeof(struct ath_tx_control));
txctl.txq = sc->tx.txq_map[skb_get_queue_mapping(skb)];
txctl.sta = control->sta;
ath_dbg(common, XMIT, "transmitting packet, skb: %p\n", skb);

9
drivers/net/wireless/ath/ath9k/xmit.c
View File

@ -1773,11 +1773,12 @@ static void ath_tx_send_normal(struct ath_softc *sc, struct ath_txq *txq,
TX_STAT_INC(txq->axq_qnum, queued);
}
static void setup_frame_info(struct ieee80211_hw *hw, struct sk_buff *skb,
static void setup_frame_info(struct ieee80211_hw *hw,
struct ieee80211_sta *sta,
struct sk_buff *skb,
int framelen)
{
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
struct ieee80211_sta *sta = tx_info->control.sta;
struct ieee80211_key_conf *hw_key = tx_info->control.hw_key;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
const struct ieee80211_rate *rate;
@ -1935,7 +1936,7 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_sta *sta = info->control.sta;
struct ieee80211_sta *sta = txctl->sta;
struct ieee80211_vif *vif = info->control.vif;
struct ath_softc *sc = hw->priv;
struct ath_txq *txq = txctl->txq;
@ -1979,7 +1980,7 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
!ieee80211_is_data(hdr->frame_control))
info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
setup_frame_info(hw, skb, frmlen);
setup_frame_info(hw, sta, skb, frmlen);
/*
* At this point, the vif, hw_key and sta pointers in the tx control

4
drivers/net/wireless/ath/carl9170/carl9170.h
View File

@ -577,7 +577,9 @@ void carl9170_rx(struct ar9170 *ar, void *buf, unsigned int len);
void carl9170_handle_command_response(struct ar9170 *ar, void *buf, u32 len);
/* TX */
void carl9170_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb);
void carl9170_op_tx(struct ieee80211_hw *hw,
struct ieee80211_tx_control *control,
struct sk_buff *skb);
void carl9170_tx_janitor(struct work_struct *work);
void carl9170_tx_process_status(struct ar9170 *ar,
const struct carl9170_rsp *cmd);

16
drivers/net/wireless/ath/carl9170/tx.c
View File

@ -867,14 +867,15 @@ static bool carl9170_tx_cts_check(struct ar9170 *ar,
return false;
}
static int carl9170_tx_prepare(struct ar9170 *ar, struct sk_buff *skb)
static int carl9170_tx_prepare(struct ar9170 *ar,
struct ieee80211_sta *sta,
struct sk_buff *skb)
{
struct ieee80211_hdr *hdr;
struct _carl9170_tx_superframe *txc;
struct carl9170_vif_info *cvif;
struct ieee80211_tx_info *info;
struct ieee80211_tx_rate *txrate;
struct ieee80211_sta *sta;
struct carl9170_tx_info *arinfo;
unsigned int hw_queue;
int i;
@ -910,8 +911,6 @@ static int carl9170_tx_prepare(struct ar9170 *ar, struct sk_buff *skb)
else
cvif = NULL;
sta = info->control.sta;
txc = (void *)skb_push(skb, sizeof(*txc));
memset(txc, 0, sizeof(*txc));
@ -1457,20 +1456,21 @@ err_unlock_rcu:
return false;
}
void carl9170_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
void carl9170_op_tx(struct ieee80211_hw *hw,
struct ieee80211_tx_control *control,
struct sk_buff *skb)
{
struct ar9170 *ar = hw->priv;
struct ieee80211_tx_info *info;
struct ieee80211_sta *sta;
struct ieee80211_sta *sta = control->sta;
bool run;
if (unlikely(!IS_STARTED(ar)))
goto err_free;
info = IEEE80211_SKB_CB(skb);
sta = info->control.sta;
if (unlikely(carl9170_tx_prepare(ar, skb)))
if (unlikely(carl9170_tx_prepare(ar, sta, skb)))
goto err_free;
carl9170_tx_accounting(ar, skb);

3
drivers/net/wireless/b43/main.c
View File

@ -3407,7 +3407,8 @@ static void b43_tx_work(struct work_struct *work)
}
static void b43_op_tx(struct ieee80211_hw *hw,
struct sk_buff *skb)
struct ieee80211_tx_control *control,
struct sk_buff *skb)
{
struct b43_wl *wl = hw_to_b43_wl(hw);

1
drivers/net/wireless/b43legacy/main.c
View File

@ -2492,6 +2492,7 @@ static void b43legacy_tx_work(struct work_struct *work)
}
static void b43legacy_op_tx(struct ieee80211_hw *hw,
struct ieee80211_tx_control *control,
struct sk_buff *skb)
{
struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);

6
drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
View File

@ -266,7 +266,9 @@ static void brcms_set_basic_rate(struct brcm_rateset *rs, u16 rate, bool is_br)
}
}
static void brcms_ops_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
static void brcms_ops_tx(struct ieee80211_hw *hw,
struct ieee80211_tx_control *control,
struct sk_buff *skb)
{
struct brcms_info *wl = hw->priv;
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
@ -278,7 +280,7 @@ static void brcms_ops_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
goto done;
}
brcms_c_sendpkt_mac80211(wl->wlc, skb, hw);
tx_info->rate_driver_data[0] = tx_info->control.sta;
tx_info->rate_driver_data[0] = control->sta;
done:
spin_unlock_bh(&wl->lock);
}

12
drivers/net/wireless/iwlegacy/3945-mac.c
View File

@ -460,7 +460,9 @@ il3945_build_tx_cmd_basic(struct il_priv *il, struct il_device_cmd *cmd,
* start C_TX command process
*/
static int
il3945_tx_skb(struct il_priv *il, struct sk_buff *skb)
il3945_tx_skb(struct il_priv *il,
struct ieee80211_sta *sta,
struct sk_buff *skb)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
@ -512,7 +514,7 @@ il3945_tx_skb(struct il_priv *il, struct sk_buff *skb)
hdr_len = ieee80211_hdrlen(fc);
/* Find idx into station table for destination station */
sta_id = il_sta_id_or_broadcast(il, info->control.sta);
sta_id = il_sta_id_or_broadcast(il, sta);
if (sta_id == IL_INVALID_STATION) {
D_DROP("Dropping - INVALID STATION: %pM\n", hdr->addr1);
goto drop;
@ -2859,7 +2861,9 @@ il3945_mac_stop(struct ieee80211_hw *hw)
}
static void
il3945_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
il3945_mac_tx(struct ieee80211_hw *hw,
struct ieee80211_tx_control *control,
struct sk_buff *skb)
{
struct il_priv *il = hw->priv;
@ -2868,7 +2872,7 @@ il3945_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
D_TX("dev->xmit(%d bytes) at rate 0x%02x\n", skb->len,
ieee80211_get_tx_rate(hw, IEEE80211_SKB_CB(skb))->bitrate);
if (il3945_tx_skb(il, skb))
if (il3945_tx_skb(il, control->sta, skb))
dev_kfree_skb_any(skb);
D_MAC80211("leave\n");

26
drivers/net/wireless/iwlegacy/4965-mac.c
View File

@ -1526,8 +1526,11 @@ il4965_tx_cmd_build_basic(struct il_priv *il, struct sk_buff *skb,
}
static void
il4965_tx_cmd_build_rate(struct il_priv *il, struct il_tx_cmd *tx_cmd,
struct ieee80211_tx_info *info, __le16 fc)
il4965_tx_cmd_build_rate(struct il_priv *il,
struct il_tx_cmd *tx_cmd,
struct ieee80211_tx_info *info,
struct ieee80211_sta *sta,
__le16 fc)
{
const u8 rts_retry_limit = 60;
u32 rate_flags;
@ -1561,9 +1564,7 @@ il4965_tx_cmd_build_rate(struct il_priv *il, struct il_tx_cmd *tx_cmd,
rate_idx = info->control.rates[0].idx;
if ((info->control.rates[0].flags & IEEE80211_TX_RC_MCS) || rate_idx < 0
|| rate_idx > RATE_COUNT_LEGACY)
rate_idx =
rate_lowest_index(&il->bands[info->band],
info->control.sta);
rate_idx = rate_lowest_index(&il->bands[info->band], sta);
/* For 5 GHZ band, remap mac80211 rate indices into driver indices */
if (info->band == IEEE80211_BAND_5GHZ)
rate_idx += IL_FIRST_OFDM_RATE;
@ -1630,11 +1631,12 @@ il4965_tx_cmd_build_hwcrypto(struct il_priv *il, struct ieee80211_tx_info *info,
* start C_TX command process
*/
int
il4965_tx_skb(struct il_priv *il, struct sk_buff *skb)
il4965_tx_skb(struct il_priv *il,
struct ieee80211_sta *sta,
struct sk_buff *skb)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_sta *sta = info->control.sta;
struct il_station_priv *sta_priv = NULL;
struct il_tx_queue *txq;
struct il_queue *q;
@ -1680,7 +1682,7 @@ il4965_tx_skb(struct il_priv *il, struct sk_buff *skb)
sta_id = il->hw_params.bcast_id;
else {
/* Find idx into station table for destination station */
sta_id = il_sta_id_or_broadcast(il, info->control.sta);
sta_id = il_sta_id_or_broadcast(il, sta);
if (sta_id == IL_INVALID_STATION) {
D_DROP("Dropping - INVALID STATION: %pM\n", hdr->addr1);
@ -1786,7 +1788,7 @@ il4965_tx_skb(struct il_priv *il, struct sk_buff *skb)
/* TODO need this for burst mode later on */
il4965_tx_cmd_build_basic(il, skb, tx_cmd, info, hdr, sta_id);
il4965_tx_cmd_build_rate(il, tx_cmd, info, fc);
il4965_tx_cmd_build_rate(il, tx_cmd, info, sta, fc);
il_update_stats(il, true, fc, len);
/*
@ -5828,7 +5830,9 @@ il4965_mac_stop(struct ieee80211_hw *hw)
}
void
il4965_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
il4965_mac_tx(struct ieee80211_hw *hw,
struct ieee80211_tx_control *control,
struct sk_buff *skb)
{
struct il_priv *il = hw->priv;
@ -5837,7 +5841,7 @@ il4965_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
D_TX("dev->xmit(%d bytes) at rate 0x%02x\n", skb->len,
ieee80211_get_tx_rate(hw, IEEE80211_SKB_CB(skb))->bitrate);
if (il4965_tx_skb(il, skb))
if (il4965_tx_skb(il, control->sta, skb))
dev_kfree_skb_any(skb);
D_MACDUMP("leave\n");

8
drivers/net/wireless/iwlegacy/4965.h
View File

@ -78,7 +78,9 @@ int il4965_hw_txq_attach_buf_to_tfd(struct il_priv *il, struct il_tx_queue *txq,
int il4965_hw_tx_queue_init(struct il_priv *il, struct il_tx_queue *txq);
void il4965_hwrate_to_tx_control(struct il_priv *il, u32 rate_n_flags,
struct ieee80211_tx_info *info);
int il4965_tx_skb(struct il_priv *il, struct sk_buff *skb);
int il4965_tx_skb(struct il_priv *il,
struct ieee80211_sta *sta,
struct sk_buff *skb);
int il4965_tx_agg_start(struct il_priv *il, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, u16 tid, u16 * ssn);
int il4965_tx_agg_stop(struct il_priv *il, struct ieee80211_vif *vif,
@ -163,7 +165,9 @@ void il4965_eeprom_release_semaphore(struct il_priv *il);
int il4965_eeprom_check_version(struct il_priv *il);
/* mac80211 handlers (for 4965) */
void il4965_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb);
void il4965_mac_tx(struct ieee80211_hw *hw,
struct ieee80211_tx_control *control,
struct sk_buff *skb);
int il4965_mac_start(struct ieee80211_hw *hw);
void il4965_mac_stop(struct ieee80211_hw *hw);
void il4965_configure_filter(struct ieee80211_hw *hw,

4
drivers/net/wireless/iwlwifi/dvm/agn.h
View File

@ -201,7 +201,9 @@ void iwl_chswitch_done(struct iwl_priv *priv, bool is_success);
/* tx */
int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb);
int iwlagn_tx_skb(struct iwl_priv *priv,
struct ieee80211_sta *sta,
struct sk_buff *skb);
int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, u16 tid, u16 *ssn);
int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif,

6
drivers/net/wireless/iwlwifi/dvm/mac80211.c
View File

@ -511,14 +511,16 @@ static void iwlagn_mac_set_wakeup(struct ieee80211_hw *hw, bool enabled)
}
#endif
static void iwlagn_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
static void iwlagn_mac_tx(struct ieee80211_hw *hw,
struct ieee80211_tx_control *control,
struct sk_buff *skb)
{
struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
IWL_DEBUG_TX(priv, "dev->xmit(%d bytes) at rate 0x%02x\n", skb->len,
ieee80211_get_tx_rate(hw, IEEE80211_SKB_CB(skb))->bitrate);
if (iwlagn_tx_skb(priv, skb))
if (iwlagn_tx_skb(priv, control->sta, skb))
dev_kfree_skb_any(skb);
}

16
drivers/net/wireless/iwlwifi/dvm/tx.c
View File

@ -127,6 +127,7 @@ static void iwlagn_tx_cmd_build_basic(struct iwl_priv *priv,
static void iwlagn_tx_cmd_build_rate(struct iwl_priv *priv,
struct iwl_tx_cmd *tx_cmd,
struct ieee80211_tx_info *info,
struct ieee80211_sta *sta,
__le16 fc)
{
u32 rate_flags;
@ -187,8 +188,7 @@ static void iwlagn_tx_cmd_build_rate(struct iwl_priv *priv,
if (info->control.rates[0].flags & IEEE80211_TX_RC_MCS ||
(rate_idx < 0) || (rate_idx > IWL_RATE_COUNT_LEGACY))
rate_idx = rate_lowest_index(
&priv->eeprom_data->bands[info->band],
info->control.sta);
&priv->eeprom_data->bands[info->band], sta);
/* For 5 GHZ band, remap mac80211 rate indices into driver indices */
if (info->band == IEEE80211_BAND_5GHZ)
rate_idx += IWL_FIRST_OFDM_RATE;
@ -291,7 +291,9 @@ static int iwl_sta_id_or_broadcast(struct iwl_rxon_context *context,
/*
* start REPLY_TX command process
*/
int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
int iwlagn_tx_skb(struct iwl_priv *priv,
struct ieee80211_sta *sta,
struct sk_buff *skb)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
@ -345,7 +347,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
sta_id = ctx->bcast_sta_id;
else {
/* Find index into station table for destination station */
sta_id = iwl_sta_id_or_broadcast(ctx, info->control.sta);
sta_id = iwl_sta_id_or_broadcast(ctx, sta);
if (sta_id == IWL_INVALID_STATION) {
IWL_DEBUG_DROP(priv, "Dropping - INVALID STATION: %pM\n",
hdr->addr1);
@ -355,8 +357,8 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
IWL_DEBUG_TX(priv, "station Id %d\n", sta_id);
if (info->control.sta)
sta_priv = (void *)info->control.sta->drv_priv;
if (sta)
sta_priv = (void *)sta->drv_priv;
if (sta_priv && sta_priv->asleep &&
(info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER)) {
@ -397,7 +399,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
/* TODO need this for burst mode later on */
iwlagn_tx_cmd_build_basic(priv, skb, tx_cmd, info, hdr, sta_id);
iwlagn_tx_cmd_build_rate(priv, tx_cmd, info, fc);
iwlagn_tx_cmd_build_rate(priv, tx_cmd, info, sta, fc);
memset(&info->status, 0, sizeof(info->status));

4
drivers/net/wireless/libertas_tf/main.c
View File

@ -227,7 +227,9 @@ static void lbtf_free_adapter(struct lbtf_private *priv)
lbtf_deb_leave(LBTF_DEB_MAIN);
}
static void lbtf_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
static void lbtf_op_tx(struct ieee80211_hw *hw,
struct ieee80211_tx_control *control,
struct sk_buff *skb)
{
struct lbtf_private *priv = hw->priv;

8
drivers/net/wireless/mac80211_hwsim.c
View File

@ -709,7 +709,9 @@ static bool mac80211_hwsim_tx_frame_no_nl(struct ieee80211_hw *hw,
return ack;
}
static void mac80211_hwsim_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
static void mac80211_hwsim_tx(struct ieee80211_hw *hw,
struct ieee80211_tx_control *control,
struct sk_buff *skb)
{
bool ack;
struct ieee80211_tx_info *txi;
@ -1727,6 +1729,7 @@ static const struct ieee80211_iface_limit hwsim_if_limits[] = {
#endif
BIT(NL80211_IFTYPE_AP) |
BIT(NL80211_IFTYPE_P2P_GO) },
{ .max = 1, .types = BIT(NL80211_IFTYPE_P2P_DEVICE) },
};
static const struct ieee80211_iface_combination hwsim_if_comb = {
@ -1813,7 +1816,8 @@ static int __init init_mac80211_hwsim(void)
BIT(NL80211_IFTYPE_P2P_CLIENT) |
BIT(NL80211_IFTYPE_P2P_GO) |
BIT(NL80211_IFTYPE_ADHOC) |
BIT(NL80211_IFTYPE_MESH_POINT);
BIT(NL80211_IFTYPE_MESH_POINT) |
BIT(NL80211_IFTYPE_P2P_DEVICE);
hw->flags = IEEE80211_HW_MFP_CAPABLE |
IEEE80211_HW_SIGNAL_DBM |

17
drivers/net/wireless/mwl8k.c
View File

@ -1830,12 +1830,14 @@ static inline void mwl8k_tx_count_packet(struct ieee80211_sta *sta, u8 tid)
}
static void
mwl8k_txq_xmit(struct ieee80211_hw *hw, int index, struct sk_buff *skb)
mwl8k_txq_xmit(struct ieee80211_hw *hw,
int index,
struct ieee80211_sta *sta,
struct sk_buff *skb)
{
struct mwl8k_priv *priv = hw->priv;
struct ieee80211_tx_info *tx_info;
struct mwl8k_vif *mwl8k_vif;
struct ieee80211_sta *sta;
struct ieee80211_hdr *wh;
struct mwl8k_tx_queue *txq;
struct mwl8k_tx_desc *tx;
@ -1867,7 +1869,6 @@ mwl8k_txq_xmit(struct ieee80211_hw *hw, int index, struct sk_buff *skb)
wh = &((struct mwl8k_dma_data *)skb->data)->wh;
tx_info = IEEE80211_SKB_CB(skb);
sta = tx_info->control.sta;
mwl8k_vif = MWL8K_VIF(tx_info->control.vif);
if (tx_info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) {
@ -2019,8 +2020,8 @@ mwl8k_txq_xmit(struct ieee80211_hw *hw, int index, struct sk_buff *skb)
tx->pkt_phys_addr = cpu_to_le32(dma);
tx->pkt_len = cpu_to_le16(skb->len);
tx->rate_info = 0;
if (!priv->ap_fw && tx_info->control.sta != NULL)
tx->peer_id = MWL8K_STA(tx_info->control.sta)->peer_id;
if (!priv->ap_fw && sta != NULL)
tx->peer_id = MWL8K_STA(sta)->peer_id;
else
tx->peer_id = 0;
@ -4364,7 +4365,9 @@ static void mwl8k_rx_poll(unsigned long data)
/*
* Core driver operations.
*/
static void mwl8k_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
static void mwl8k_tx(struct ieee80211_hw *hw,
struct ieee80211_tx_control *control,
struct sk_buff *skb)
{
struct mwl8k_priv *priv = hw->priv;
int index = skb_get_queue_mapping(skb);
@ -4376,7 +4379,7 @@ static void mwl8k_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
return;
}
mwl8k_txq_xmit(hw, index, skb);
mwl8k_txq_xmit(hw, index, control->sta, skb);
}
static int mwl8k_start(struct ieee80211_hw *hw)

4
drivers/net/wireless/p54/lmac.h
View File

@ -526,7 +526,9 @@ int p54_init_leds(struct p54_common *priv);
void p54_unregister_leds(struct p54_common *priv);
/* xmit functions */
void p54_tx_80211(struct ieee80211_hw *dev, struct sk_buff *skb);
void p54_tx_80211(struct ieee80211_hw *dev,
struct ieee80211_tx_control *control,
struct sk_buff *skb);
int p54_tx_cancel(struct p54_common *priv, __le32 req_id);
void p54_tx(struct p54_common *priv, struct sk_buff *skb);

2
drivers/net/wireless/p54/main.c
View File

@ -158,7 +158,7 @@ static int p54_beacon_update(struct p54_common *priv,
* to cancel the old beacon template by hand, instead the firmware
* will release the previous one through the feedback mechanism.
*/
p54_tx_80211(priv->hw, beacon);
p54_tx_80211(priv->hw, NULL, beacon);
priv->tsf_high32 = 0;
priv->tsf_low32 = 0;

15
drivers/net/wireless/p54/txrx.c
View File

@ -676,8 +676,9 @@ int p54_rx(struct ieee80211_hw *dev, struct sk_buff *skb)
EXPORT_SYMBOL_GPL(p54_rx);
static void p54_tx_80211_header(struct p54_common *priv, struct sk_buff *skb,
struct ieee80211_tx_info *info, u8 *queue,
u32 *extra_len, u16 *flags, u16 *aid,
struct ieee80211_tx_info *info,
struct ieee80211_sta *sta,
u8 *queue, u32 *extra_len, u16 *flags, u16 *aid,
bool *burst_possible)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
@ -746,8 +747,8 @@ static void p54_tx_80211_header(struct p54_common *priv, struct sk_buff *skb,
}
}
if (info->control.sta)
*aid = info->control.sta->aid;
if (sta)
*aid = sta->aid;
break;
}
}
@ -767,7 +768,9 @@ static u8 p54_convert_algo(u32 cipher)
}
}
void p54_tx_80211(struct ieee80211_hw *dev, struct sk_buff *skb)
void p54_tx_80211(struct ieee80211_hw *dev,
struct ieee80211_tx_control *control,
struct sk_buff *skb)
{
struct p54_common *priv = dev->priv;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
@ -784,7 +787,7 @@ void p54_tx_80211(struct ieee80211_hw *dev, struct sk_buff *skb)
u8 nrates = 0, nremaining = 8;
bool burst_allowed = false;
p54_tx_80211_header(priv, skb, info, &queue, &extra_len,
p54_tx_80211_header(priv, skb, info, control->sta, &queue, &extra_len,
&hdr_flags, &aid, &burst_allowed);
if (p54_tx_qos_accounting_alloc(priv, skb, queue)) {

4
drivers/net/wireless/rt2x00/rt2x00.h
View File

@ -1287,7 +1287,9 @@ void rt2x00lib_rxdone(struct queue_entry *entry, gfp_t gfp);
/*
* mac80211 handlers.
*/
void rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb);
void rt2x00mac_tx(struct ieee80211_hw *hw,
struct ieee80211_tx_control *control,
struct sk_buff *skb);
int rt2x00mac_start(struct ieee80211_hw *hw);
void rt2x00mac_stop(struct ieee80211_hw *hw);
int rt2x00mac_add_interface(struct ieee80211_hw *hw,

2
drivers/net/wireless/rt2x00/rt2x00dev.c
View File

@ -194,7 +194,7 @@ static void rt2x00lib_bc_buffer_iter(void *data, u8 *mac,
*/
skb = ieee80211_get_buffered_bc(rt2x00dev->hw, vif);
while (skb) {
rt2x00mac_tx(rt2x00dev->hw, skb);
rt2x00mac_tx(rt2x00dev->hw, NULL, skb);
skb = ieee80211_get_buffered_bc(rt2x00dev->hw, vif);
}
}

4
drivers/net/wireless/rt2x00/rt2x00mac.c
View File

@ -99,7 +99,9 @@ static int rt2x00mac_tx_rts_cts(struct rt2x00_dev *rt2x00dev,
return retval;
}
void rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
void rt2x00mac_tx(struct ieee80211_hw *hw,
struct ieee80211_tx_control *control,
struct sk_buff *skb)
{
struct rt2x00_dev *rt2x00dev = hw->priv;
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);

20
drivers/net/wireless/rt2x00/rt2x00queue.c
View File

@ -315,6 +315,7 @@ static void rt2x00queue_create_tx_descriptor_plcp(struct rt2x00_dev *rt2x00dev,
static void rt2x00queue_create_tx_descriptor_ht(struct rt2x00_dev *rt2x00dev,
struct sk_buff *skb,
struct txentry_desc *txdesc,
struct ieee80211_sta *sta,
const struct rt2x00_rate *hwrate)
{
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
@ -322,11 +323,11 @@ static void rt2x00queue_create_tx_descriptor_ht(struct rt2x00_dev *rt2x00dev,
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct rt2x00_sta *sta_priv = NULL;
if (tx_info->control.sta) {
if (sta) {
txdesc->u.ht.mpdu_density =
tx_info->control.sta->ht_cap.ampdu_density;
sta->ht_cap.ampdu_density;
sta_priv = sta_to_rt2x00_sta(tx_info->control.sta);
sta_priv = sta_to_rt2x00_sta(sta);
txdesc->u.ht.wcid = sta_priv->wcid;
}
@ -341,8 +342,8 @@ static void rt2x00queue_create_tx_descriptor_ht(struct rt2x00_dev *rt2x00dev,
* MIMO PS should be set to 1 for STA's using dynamic SM PS
* when using more then one tx stream (>MCS7).
*/
if (tx_info->control.sta && txdesc->u.ht.mcs > 7 &&
((tx_info->control.sta->ht_cap.cap &
if (sta && txdesc->u.ht.mcs > 7 &&
((sta->ht_cap.cap &
IEEE80211_HT_CAP_SM_PS) >>
IEEE80211_HT_CAP_SM_PS_SHIFT) ==
WLAN_HT_CAP_SM_PS_DYNAMIC)
@ -409,7 +410,8 @@ static void rt2x00queue_create_tx_descriptor_ht(struct rt2x00_dev *rt2x00dev,
static void rt2x00queue_create_tx_descriptor(struct rt2x00_dev *rt2x00dev,
struct sk_buff *skb,
struct txentry_desc *txdesc)
struct txentry_desc *txdesc,
struct ieee80211_sta *sta)
{
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
@ -503,7 +505,7 @@ static void rt2x00queue_create_tx_descriptor(struct rt2x00_dev *rt2x00dev,
if (test_bit(REQUIRE_HT_TX_DESC, &rt2x00dev->cap_flags))
rt2x00queue_create_tx_descriptor_ht(rt2x00dev, skb, txdesc,
hwrate);
sta, hwrate);
else
rt2x00queue_create_tx_descriptor_plcp(rt2x00dev, skb, txdesc,
hwrate);
@ -595,7 +597,7 @@ int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb,
* after that we are free to use the skb->cb array
* for our information.
*/
rt2x00queue_create_tx_descriptor(queue->rt2x00dev, skb, &txdesc);
rt2x00queue_create_tx_descriptor(queue->rt2x00dev, skb, &txdesc, NULL);
/*
* All information is retrieved from the skb->cb array,
@ -740,7 +742,7 @@ int rt2x00queue_update_beacon_locked(struct rt2x00_dev *rt2x00dev,
* after that we are free to use the skb->cb array
* for our information.
*/
rt2x00queue_create_tx_descriptor(rt2x00dev, intf->beacon->skb, &txdesc);
rt2x00queue_create_tx_descriptor(rt2x00dev, intf->beacon->skb, &txdesc, NULL);
/*
* Fill in skb descriptor

6
drivers/net/wireless/rtl818x/rtl8180/dev.c
View File

@ -244,7 +244,9 @@ static irqreturn_t rtl8180_interrupt(int irq, void *dev_id)
return IRQ_HANDLED;
}
static void rtl8180_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
static void rtl8180_tx(struct ieee80211_hw *dev,
struct ieee80211_tx_control *control,
struct sk_buff *skb)
{
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
@ -710,7 +712,7 @@ static void rtl8180_beacon_work(struct work_struct *work)
/* TODO: use actual beacon queue */
skb_set_queue_mapping(skb, 0);
rtl8180_tx(dev, skb);
rtl8180_tx(dev, NULL, skb);
resched:
/*

6
drivers/net/wireless/rtl818x/rtl8187/dev.c
View File

@ -228,7 +228,9 @@ static void rtl8187_tx_cb(struct urb *urb)
}
}
static void rtl8187_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
static void rtl8187_tx(struct ieee80211_hw *dev,
struct ieee80211_tx_control *control,
struct sk_buff *skb)
{
struct rtl8187_priv *priv = dev->priv;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
@ -1076,7 +1078,7 @@ static void rtl8187_beacon_work(struct work_struct *work)
/* TODO: use actual beacon queue */
skb_set_queue_mapping(skb, 0);
rtl8187_tx(dev, skb);
rtl8187_tx(dev, NULL, skb);
resched:
/*

3
drivers/net/wireless/rtlwifi/base.c
View File

@ -1341,9 +1341,8 @@ int rtl_send_smps_action(struct ieee80211_hw *hw,
rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0);
info->control.rates[0].idx = 0;
info->control.sta = sta;
info->band = hw->conf.channel->band;
rtlpriv->intf_ops->adapter_tx(hw, skb, &tcb_desc);
rtlpriv->intf_ops->adapter_tx(hw, sta, skb, &tcb_desc);
}
err_free:
return 0;

8
drivers/net/wireless/rtlwifi/core.c
View File

@ -124,7 +124,9 @@ static void rtl_op_stop(struct ieee80211_hw *hw)
mutex_unlock(&rtlpriv->locks.conf_mutex);
}
static void rtl_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
static void rtl_op_tx(struct ieee80211_hw *hw,
struct ieee80211_tx_control *control,
struct sk_buff *skb)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
@ -138,8 +140,8 @@ static void rtl_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
goto err_free;
if (!rtlpriv->intf_ops->waitq_insert(hw, skb))
rtlpriv->intf_ops->adapter_tx(hw, skb, &tcb_desc);
if (!rtlpriv->intf_ops->waitq_insert(hw, control->sta, skb))
rtlpriv->intf_ops->adapter_tx(hw, control->sta, skb, &tcb_desc);
return;

16
drivers/net/wireless/rtlwifi/pci.c
View File

@ -504,7 +504,7 @@ static void _rtl_pci_tx_chk_waitq(struct ieee80211_hw *hw)
_rtl_update_earlymode_info(hw, skb,
&tcb_desc, tid);
rtlpriv->intf_ops->adapter_tx(hw, skb, &tcb_desc);
rtlpriv->intf_ops->adapter_tx(hw, NULL, skb, &tcb_desc);
}
}
}
@ -929,7 +929,7 @@ static void _rtl_pci_prepare_bcn_tasklet(struct ieee80211_hw *hw)
info = IEEE80211_SKB_CB(pskb);
pdesc = &ring->desc[0];
rtlpriv->cfg->ops->fill_tx_desc(hw, hdr, (u8 *) pdesc,
info, pskb, BEACON_QUEUE, &tcb_desc);
info, NULL, pskb, BEACON_QUEUE, &tcb_desc);
__skb_queue_tail(&ring->queue, pskb);
@ -1305,11 +1305,10 @@ int rtl_pci_reset_trx_ring(struct ieee80211_hw *hw)
}
static bool rtl_pci_tx_chk_waitq_insert(struct ieee80211_hw *hw,
struct ieee80211_sta *sta,
struct sk_buff *skb)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_sta *sta = info->control.sta;
struct rtl_sta_info *sta_entry = NULL;
u8 tid = rtl_get_tid(skb);
@ -1337,13 +1336,14 @@ static bool rtl_pci_tx_chk_waitq_insert(struct ieee80211_hw *hw,
return true;
}
static int rtl_pci_tx(struct ieee80211_hw *hw, struct sk_buff *skb,
struct rtl_tcb_desc *ptcb_desc)
static int rtl_pci_tx(struct ieee80211_hw *hw,
struct ieee80211_sta *sta,
struct sk_buff *skb,
struct rtl_tcb_desc *ptcb_desc)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_sta_info *sta_entry = NULL;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_sta *sta = info->control.sta;
struct rtl8192_tx_ring *ring;
struct rtl_tx_desc *pdesc;
u8 idx;
@ -1418,7 +1418,7 @@ static int rtl_pci_tx(struct ieee80211_hw *hw, struct sk_buff *skb,
rtlpriv->cfg->ops->led_control(hw, LED_CTL_TX);
rtlpriv->cfg->ops->fill_tx_desc(hw, hdr, (u8 *)pdesc,
info, skb, hw_queue, ptcb_desc);
info, sta, skb, hw_queue, ptcb_desc);
__skb_queue_tail(&ring->queue, skb);

5
drivers/net/wireless/rtlwifi/rtl8192ce/trx.c
View File

@ -596,7 +596,9 @@ bool rtl92ce_rx_query_desc(struct ieee80211_hw *hw,
void rtl92ce_tx_fill_desc(struct ieee80211_hw *hw,
struct ieee80211_hdr *hdr, u8 *pdesc_tx,
struct ieee80211_tx_info *info, struct sk_buff *skb,
struct ieee80211_tx_info *info,
struct ieee80211_sta *sta,
struct sk_buff *skb,
u8 hw_queue, struct rtl_tcb_desc *tcb_desc)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
@ -604,7 +606,6 @@ void rtl92ce_tx_fill_desc(struct ieee80211_hw *hw,
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
bool defaultadapter = true;
struct ieee80211_sta *sta;
u8 *pdesc = pdesc_tx;
u16 seq_number;
__le16 fc = hdr->frame_control;

1
drivers/net/wireless/rtlwifi/rtl8192ce/trx.h
View File

@ -713,6 +713,7 @@ struct rx_desc_92c {
void rtl92ce_tx_fill_desc(struct ieee80211_hw *hw,
struct ieee80211_hdr *hdr,
u8 *pdesc, struct ieee80211_tx_info *info,
struct ieee80211_sta *sta,
struct sk_buff *skb, u8 hw_queue,
struct rtl_tcb_desc *ptcb_desc);
bool rtl92ce_rx_query_desc(struct ieee80211_hw *hw,

5
drivers/net/wireless/rtlwifi/rtl8192cu/trx.c
View File

@ -496,7 +496,9 @@ static void _rtl_tx_desc_checksum(u8 *txdesc)
void rtl92cu_tx_fill_desc(struct ieee80211_hw *hw,
struct ieee80211_hdr *hdr, u8 *pdesc_tx,
struct ieee80211_tx_info *info, struct sk_buff *skb,
struct ieee80211_tx_info *info,
struct ieee80211_sta *sta,
struct sk_buff *skb,
u8 queue_index,
struct rtl_tcb_desc *tcb_desc)
{
@ -504,7 +506,6 @@ void rtl92cu_tx_fill_desc(struct ieee80211_hw *hw,
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
bool defaultadapter = true;
struct ieee80211_sta *sta = info->control.sta = info->control.sta;
u8 *qc = ieee80211_get_qos_ctl(hdr);
u8 tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK;
u16 seq_number;

4
drivers/net/wireless/rtlwifi/rtl8192cu/trx.h
View File

@ -420,7 +420,9 @@ struct sk_buff *rtl8192c_tx_aggregate_hdl(struct ieee80211_hw *,
struct sk_buff_head *);
void rtl92cu_tx_fill_desc(struct ieee80211_hw *hw,
struct ieee80211_hdr *hdr, u8 *pdesc_tx,
struct ieee80211_tx_info *info, struct sk_buff *skb,
struct ieee80211_tx_info *info,
struct ieee80211_sta *sta,
struct sk_buff *skb,
u8 queue_index,
struct rtl_tcb_desc *tcb_desc);
void rtl92cu_fill_fake_txdesc(struct ieee80211_hw *hw, u8 * pDesc,

5
drivers/net/wireless/rtlwifi/rtl8192de/trx.c
View File

@ -551,7 +551,9 @@ static void _rtl92de_insert_emcontent(struct rtl_tcb_desc *ptcb_desc,
void rtl92de_tx_fill_desc(struct ieee80211_hw *hw,
struct ieee80211_hdr *hdr, u8 *pdesc_tx,
struct ieee80211_tx_info *info, struct sk_buff *skb,
struct ieee80211_tx_info *info,
struct ieee80211_sta *sta,
struct sk_buff *skb,
u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
@ -559,7 +561,6 @@ void rtl92de_tx_fill_desc(struct ieee80211_hw *hw,
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
struct ieee80211_sta *sta = info->control.sta;
u8 *pdesc = pdesc_tx;
u16 seq_number;
__le16 fc = hdr->frame_control;

1
drivers/net/wireless/rtlwifi/rtl8192de/trx.h
View File

@ -730,6 +730,7 @@ struct rx_desc_92d {
void rtl92de_tx_fill_desc(struct ieee80211_hw *hw,
struct ieee80211_hdr *hdr,
u8 *pdesc, struct ieee80211_tx_info *info,
struct ieee80211_sta *sta,
struct sk_buff *skb, u8 hw_queue,
struct rtl_tcb_desc *ptcb_desc);
bool rtl92de_rx_query_desc(struct ieee80211_hw *hw,

5
drivers/net/wireless/rtlwifi/rtl8192se/trx.c
View File

@ -591,14 +591,15 @@ bool rtl92se_rx_query_desc(struct ieee80211_hw *hw, struct rtl_stats *stats,
void rtl92se_tx_fill_desc(struct ieee80211_hw *hw,
struct ieee80211_hdr *hdr, u8 *pdesc_tx,
struct ieee80211_tx_info *info, struct sk_buff *skb,
struct ieee80211_tx_info *info,
struct ieee80211_sta *sta,
struct sk_buff *skb,
u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
struct ieee80211_sta *sta = info->control.sta;
u8 *pdesc = pdesc_tx;
u16 seq_number;
__le16 fc = hdr->frame_control;

1
drivers/net/wireless/rtlwifi/rtl8192se/trx.h
View File

@ -31,6 +31,7 @@
void rtl92se_tx_fill_desc(struct ieee80211_hw *hw, struct ieee80211_hdr *hdr,
u8 *pdesc, struct ieee80211_tx_info *info,
struct ieee80211_sta *sta,
struct sk_buff *skb, u8 hw_queue,
struct rtl_tcb_desc *ptcb_desc);
void rtl92se_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc, bool firstseg,

15
drivers/net/wireless/rtlwifi/usb.c
View File

@ -848,8 +848,10 @@ static void _rtl_usb_transmit(struct ieee80211_hw *hw, struct sk_buff *skb,
_rtl_submit_tx_urb(hw, _urb);
}
static void _rtl_usb_tx_preprocess(struct ieee80211_hw *hw, struct sk_buff *skb,
u16 hw_queue)
static void _rtl_usb_tx_preprocess(struct ieee80211_hw *hw,
struct ieee80211_sta *sta,
struct sk_buff *skb,
u16 hw_queue)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
@ -891,7 +893,7 @@ static void _rtl_usb_tx_preprocess(struct ieee80211_hw *hw, struct sk_buff *skb,
seq_number += 1;
seq_number <<= 4;
}
rtlpriv->cfg->ops->fill_tx_desc(hw, hdr, (u8 *)pdesc, info, skb,
rtlpriv->cfg->ops->fill_tx_desc(hw, hdr, (u8 *)pdesc, info, sta, skb,
hw_queue, &tcb_desc);
if (!ieee80211_has_morefrags(hdr->frame_control)) {
if (qc)
@ -901,7 +903,9 @@ static void _rtl_usb_tx_preprocess(struct ieee80211_hw *hw, struct sk_buff *skb,
rtlpriv->cfg->ops->led_control(hw, LED_CTL_TX);
}
static int rtl_usb_tx(struct ieee80211_hw *hw, struct sk_buff *skb,
static int rtl_usb_tx(struct ieee80211_hw *hw,
struct ieee80211_sta *sta,
struct sk_buff *skb,
struct rtl_tcb_desc *dummy)
{
struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
@ -913,7 +917,7 @@ static int rtl_usb_tx(struct ieee80211_hw *hw, struct sk_buff *skb,
if (unlikely(is_hal_stop(rtlhal)))
goto err_free;
hw_queue = rtlusb->usb_mq_to_hwq(fc, skb_get_queue_mapping(skb));
_rtl_usb_tx_preprocess(hw, skb, hw_queue);
_rtl_usb_tx_preprocess(hw, sta, skb, hw_queue);
_rtl_usb_transmit(hw, skb, hw_queue);
return NETDEV_TX_OK;
@ -923,6 +927,7 @@ err_free:
}
static bool rtl_usb_tx_chk_waitq_insert(struct ieee80211_hw *hw,
struct ieee80211_sta *sta,
struct sk_buff *skb)
{
return false;

13
drivers/net/wireless/rtlwifi/wifi.h
View File

@ -122,7 +122,7 @@ enum rt_eeprom_type {
EEPROM_BOOT_EFUSE,
};
enum rtl_status {
enum ttl_status {
RTL_STATUS_INTERFACE_START = 0,
};
@ -1418,6 +1418,7 @@ struct rtl_hal_ops {
void (*fill_tx_desc) (struct ieee80211_hw *hw,
struct ieee80211_hdr *hdr, u8 *pdesc_tx,
struct ieee80211_tx_info *info,
struct ieee80211_sta *sta,
struct sk_buff *skb, u8 hw_queue,
struct rtl_tcb_desc *ptcb_desc);
void (*fill_fake_txdesc) (struct ieee80211_hw *hw, u8 *pDesc,
@ -1475,11 +1476,15 @@ struct rtl_intf_ops {
int (*adapter_start) (struct ieee80211_hw *hw);
void (*adapter_stop) (struct ieee80211_hw *hw);
int (*adapter_tx) (struct ieee80211_hw *hw, struct sk_buff *skb,
struct rtl_tcb_desc *ptcb_desc);
int (*adapter_tx) (struct ieee80211_hw *hw,
struct ieee80211_sta *sta,
struct sk_buff *skb,
struct rtl_tcb_desc *ptcb_desc);
void (*flush)(struct ieee80211_hw *hw, bool drop);
int (*reset_trx_ring) (struct ieee80211_hw *hw);
bool (*waitq_insert) (struct ieee80211_hw *hw, struct sk_buff *skb);
bool (*waitq_insert) (struct ieee80211_hw *hw,
struct ieee80211_sta *sta,
struct sk_buff *skb);
/*pci */
void (*disable_aspm) (struct ieee80211_hw *hw);

4
drivers/net/wireless/ti/wl1251/main.c
View File

@ -354,7 +354,9 @@ out:
return ret;
}
static void wl1251_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
static void wl1251_op_tx(struct ieee80211_hw *hw,
struct ieee80211_tx_control *control,
struct sk_buff *skb)
{
struct wl1251 *wl = hw->priv;
unsigned long flags;

6
drivers/net/wireless/ti/wlcore/main.c
View File

@ -1181,7 +1181,9 @@ out:
return ret;
}
static void wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
static void wl1271_op_tx(struct ieee80211_hw *hw,
struct ieee80211_tx_control *control,
struct sk_buff *skb)
{
struct wl1271 *wl = hw->priv;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
@ -1197,7 +1199,7 @@ static void wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
mapping = skb_get_queue_mapping(skb);
q = wl1271_tx_get_queue(mapping);
hlid = wl12xx_tx_get_hlid(wl, wlvif, skb);
hlid = wl12xx_tx_get_hlid(wl, wlvif, skb, control->sta);
spin_lock_irqsave(&wl->wl_lock, flags);

61
drivers/net/wireless/ti/wlcore/tx.c
View File

@ -130,16 +130,13 @@ bool wl12xx_is_dummy_packet(struct wl1271 *wl, struct sk_buff *skb)
}
EXPORT_SYMBOL(wl12xx_is_dummy_packet);
u8 wl12xx_tx_get_hlid_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif,
struct sk_buff *skb)
static u8 wl12xx_tx_get_hlid_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif,
struct sk_buff *skb, struct ieee80211_sta *sta)
{
struct ieee80211_tx_info *control = IEEE80211_SKB_CB(skb);
if (control->control.sta) {
if (sta) {
struct wl1271_station *wl_sta;
wl_sta = (struct wl1271_station *)
control->control.sta->drv_priv;
wl_sta = (struct wl1271_station *)sta->drv_priv;
return wl_sta->hlid;
} else {
struct ieee80211_hdr *hdr;
@ -156,7 +153,7 @@ u8 wl12xx_tx_get_hlid_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif,
}
u8 wl12xx_tx_get_hlid(struct wl1271 *wl, struct wl12xx_vif *wlvif,
struct sk_buff *skb)
struct sk_buff *skb, struct ieee80211_sta *sta)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
@ -164,7 +161,7 @@ u8 wl12xx_tx_get_hlid(struct wl1271 *wl, struct wl12xx_vif *wlvif,
return wl->system_hlid;
if (wlvif->bss_type == BSS_TYPE_AP_BSS)
return wl12xx_tx_get_hlid_ap(wl, wlvif, skb);
return wl12xx_tx_get_hlid_ap(wl, wlvif, skb, sta);
if ((test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags) ||
test_bit(WLVIF_FLAG_IBSS_JOINED, &wlvif->flags)) &&
@ -344,13 +341,12 @@ static void wl1271_tx_fill_hdr(struct wl1271 *wl, struct wl12xx_vif *wlvif,
/* caller must hold wl->mutex */
static int wl1271_prepare_tx_frame(struct wl1271 *wl, struct wl12xx_vif *wlvif,
struct sk_buff *skb, u32 buf_offset)
struct sk_buff *skb, u32 buf_offset, u8 hlid)
{
struct ieee80211_tx_info *info;
u32 extra = 0;
int ret = 0;
u32 total_len;
u8 hlid;
bool is_dummy;
bool is_gem = false;
@ -359,9 +355,13 @@ static int wl1271_prepare_tx_frame(struct wl1271 *wl, struct wl12xx_vif *wlvif,
return -EINVAL;
}
if (hlid == WL12XX_INVALID_LINK_ID) {
wl1271_error("invalid hlid. dropping skb 0x%p", skb);
return -EINVAL;
}
info = IEEE80211_SKB_CB(skb);
/* TODO: handle dummy packets on multi-vifs */
is_dummy = wl12xx_is_dummy_packet(wl, skb);
if ((wl->quirks & WLCORE_QUIRK_TKIP_HEADER_SPACE) &&
@ -386,11 +386,6 @@ static int wl1271_prepare_tx_frame(struct wl1271 *wl, struct wl12xx_vif *wlvif,
is_gem = (cipher == WL1271_CIPHER_SUITE_GEM);
}
hlid = wl12xx_tx_get_hlid(wl, wlvif, skb);
if (hlid == WL12XX_INVALID_LINK_ID) {
wl1271_error("invalid hlid. dropping skb 0x%p", skb);
return -EINVAL;
}
ret = wl1271_tx_allocate(wl, wlvif, skb, extra, buf_offset, hlid,
is_gem);
@ -517,7 +512,8 @@ static struct sk_buff *wl12xx_lnk_skb_dequeue(struct wl1271 *wl,
}
static struct sk_buff *wl12xx_vif_skb_dequeue(struct wl1271 *wl,
struct wl12xx_vif *wlvif)
struct wl12xx_vif *wlvif,
u8 *hlid)
{
struct sk_buff *skb = NULL;
int i, h, start_hlid;
@ -544,10 +540,11 @@ static struct sk_buff *wl12xx_vif_skb_dequeue(struct wl1271 *wl,
if (!skb)
wlvif->last_tx_hlid = 0;
*hlid = wlvif->last_tx_hlid;
return skb;
}
static struct sk_buff *wl1271_skb_dequeue(struct wl1271 *wl)
static struct sk_buff *wl1271_skb_dequeue(struct wl1271 *wl, u8 *hlid)
{
unsigned long flags;
struct wl12xx_vif *wlvif = wl->last_wlvif;
@ -556,7 +553,7 @@ static struct sk_buff *wl1271_skb_dequeue(struct wl1271 *wl)
/* continue from last wlvif (round robin) */
if (wlvif) {
wl12xx_for_each_wlvif_continue(wl, wlvif) {
skb = wl12xx_vif_skb_dequeue(wl, wlvif);
skb = wl12xx_vif_skb_dequeue(wl, wlvif, hlid);
if (skb) {
wl->last_wlvif = wlvif;
break;
@ -565,13 +562,15 @@ static struct sk_buff *wl1271_skb_dequeue(struct wl1271 *wl)
}
/* dequeue from the system HLID before the restarting wlvif list */
if (!skb)
if (!skb) {
skb = wl12xx_lnk_skb_dequeue(wl, &wl->links[wl->system_hlid]);
*hlid = wl->system_hlid;
}
/* do a new pass over the wlvif list */
if (!skb) {
wl12xx_for_each_wlvif(wl, wlvif) {
skb = wl12xx_vif_skb_dequeue(wl, wlvif);
skb = wl12xx_vif_skb_dequeue(wl, wlvif, hlid);
if (skb) {
wl->last_wlvif = wlvif;
break;
@ -591,6 +590,7 @@ static struct sk_buff *wl1271_skb_dequeue(struct wl1271 *wl)
int q;
skb = wl->dummy_packet;
*hlid = wl->system_hlid;
q = wl1271_tx_get_queue(skb_get_queue_mapping(skb));
spin_lock_irqsave(&wl->wl_lock, flags);
WARN_ON_ONCE(wl->tx_queue_count[q] <= 0);
@ -602,7 +602,7 @@ static struct sk_buff *wl1271_skb_dequeue(struct wl1271 *wl)
}
static void wl1271_skb_queue_head(struct wl1271 *wl, struct wl12xx_vif *wlvif,
struct sk_buff *skb)
struct sk_buff *skb, u8 hlid)
{
unsigned long flags;
int q = wl1271_tx_get_queue(skb_get_queue_mapping(skb));
@ -610,7 +610,6 @@ static void wl1271_skb_queue_head(struct wl1271 *wl, struct wl12xx_vif *wlvif,
if (wl12xx_is_dummy_packet(wl, skb)) {
set_bit(WL1271_FLAG_DUMMY_PACKET_PENDING, &wl->flags);
} else {
u8 hlid = wl12xx_tx_get_hlid(wl, wlvif, skb);
skb_queue_head(&wl->links[hlid].tx_queue[q], skb);
/* make sure we dequeue the same packet next time */
@ -686,26 +685,30 @@ int wlcore_tx_work_locked(struct wl1271 *wl)
unsigned long active_hlids[BITS_TO_LONGS(WL12XX_MAX_LINKS)] = {0};
int ret = 0;
int bus_ret = 0;
u8 hlid;
if (unlikely(wl->state == WL1271_STATE_OFF))
return 0;
while ((skb = wl1271_skb_dequeue(wl))) {
while ((skb = wl1271_skb_dequeue(wl, &hlid))) {
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
bool has_data = false;
wlvif = NULL;
if (!wl12xx_is_dummy_packet(wl, skb) && info->control.vif)
wlvif = wl12xx_vif_to_data(info->control.vif);
else
hlid = wl->system_hlid;
has_data = wlvif && wl1271_tx_is_data_present(skb);
ret = wl1271_prepare_tx_frame(wl, wlvif, skb, buf_offset);
ret = wl1271_prepare_tx_frame(wl, wlvif, skb, buf_offset,
hlid);
if (ret == -EAGAIN) {
/*
* Aggregation buffer is full.
* Flush buffer and try again.
*/
wl1271_skb_queue_head(wl, wlvif, skb);
wl1271_skb_queue_head(wl, wlvif, skb, hlid);
buf_offset = wlcore_hw_pre_pkt_send(wl, buf_offset,
last_len);
@ -722,7 +725,7 @@ int wlcore_tx_work_locked(struct wl1271 *wl)
* Firmware buffer is full.
* Queue back last skb, and stop aggregating.
*/
wl1271_skb_queue_head(wl, wlvif, skb);
wl1271_skb_queue_head(wl, wlvif, skb, hlid);
/* No work left, avoid scheduling redundant tx work */
set_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags);
goto out_ack;
@ -732,7 +735,7 @@ int wlcore_tx_work_locked(struct wl1271 *wl)
* fw still expects dummy packet,
* so re-enqueue it
*/
wl1271_skb_queue_head(wl, wlvif, skb);
wl1271_skb_queue_head(wl, wlvif, skb, hlid);
else
ieee80211_free_txskb(wl->hw, skb);
goto out_ack;

4
drivers/net/wireless/ti/wlcore/tx.h
View File

@ -243,10 +243,8 @@ u8 wlcore_rate_to_idx(struct wl1271 *wl, u8 rate, enum ieee80211_band band);
u32 wl1271_tx_enabled_rates_get(struct wl1271 *wl, u32 rate_set,
enum ieee80211_band rate_band);
u32 wl1271_tx_min_rate_get(struct wl1271 *wl, u32 rate_set);
u8 wl12xx_tx_get_hlid_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif,
struct sk_buff *skb);
u8 wl12xx_tx_get_hlid(struct wl1271 *wl, struct wl12xx_vif *wlvif,
struct sk_buff *skb);
struct sk_buff *skb, struct ieee80211_sta *sta);
void wl1271_tx_reset_link_queues(struct wl1271 *wl, u8 hlid);
void wl1271_handle_tx_low_watermark(struct wl1271 *wl);
bool wl12xx_is_dummy_packet(struct wl1271 *wl, struct sk_buff *skb);

6
drivers/net/wireless/zd1211rw/zd_mac.c
View File

@ -937,7 +937,9 @@ static int fill_ctrlset(struct zd_mac *mac,
* control block of the skbuff will be initialized. If necessary the incoming
* mac80211 queues will be stopped.
*/
static void zd_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
static void zd_op_tx(struct ieee80211_hw *hw,
struct ieee80211_tx_control *control,
struct sk_buff *skb)
{
struct zd_mac *mac = zd_hw_mac(hw);
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
@ -1176,7 +1178,7 @@ static void zd_beacon_done(struct zd_mac *mac)
skb = ieee80211_get_buffered_bc(mac->hw, mac->vif);
if (!skb)
break;
zd_op_tx(mac->hw, skb);
zd_op_tx(mac->hw, NULL, skb);
}
/*

4
drivers/staging/winbond/wbusb.c
View File

@ -119,7 +119,9 @@ static void wbsoft_configure_filter(struct ieee80211_hw *dev,
*total_flags = new_flags;
}
static void wbsoft_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
static void wbsoft_tx(struct ieee80211_hw *dev,
struct ieee80211_tx_control *control,
struct sk_buff *skb)
{
struct wbsoft_priv *priv = dev->priv;

30
include/linux/nl80211.h
View File

@ -565,6 +565,14 @@
* %NL80211_ATTR_IFINDEX is now on %NL80211_ATTR_WIPHY_FREQ with
* %NL80211_ATTR_WIPHY_CHANNEL_TYPE.
*
* @NL80211_CMD_START_P2P_DEVICE: Start the given P2P Device, identified by
* its %NL80211_ATTR_WDEV identifier. It must have been created with
* %NL80211_CMD_NEW_INTERFACE previously. After it has been started, the
* P2P Device can be used for P2P operations, e.g. remain-on-channel and
* public action frame TX.
* @NL80211_CMD_STOP_P2P_DEVICE: Stop the given P2P Device, identified by
* its %NL80211_ATTR_WDEV identifier.
*
* @NL80211_CMD_MAX: highest used command number
* @__NL80211_CMD_AFTER_LAST: internal use
*/
@ -708,6 +716,9 @@ enum nl80211_commands {
NL80211_CMD_CH_SWITCH_NOTIFY,
NL80211_CMD_START_P2P_DEVICE,
NL80211_CMD_STOP_P2P_DEVICE,
/* add new commands above here */
/* used to define NL80211_CMD_MAX below */
@ -1575,6 +1586,10 @@ enum nl80211_attrs {
* @NL80211_IFTYPE_MESH_POINT: mesh point
* @NL80211_IFTYPE_P2P_CLIENT: P2P client
* @NL80211_IFTYPE_P2P_GO: P2P group owner
* @NL80211_IFTYPE_P2P_DEVICE: P2P device interface type, this is not a netdev
* and therefore can't be created in the normal ways, use the
* %NL80211_CMD_START_P2P_DEVICE and %NL80211_CMD_STOP_P2P_DEVICE
* commands to create and destroy one
* @NL80211_IFTYPE_MAX: highest interface type number currently defined
* @NUM_NL80211_IFTYPES: number of defined interface types
*
@ -1593,6 +1608,7 @@ enum nl80211_iftype {
NL80211_IFTYPE_MESH_POINT,
NL80211_IFTYPE_P2P_CLIENT,
NL80211_IFTYPE_P2P_GO,
NL80211_IFTYPE_P2P_DEVICE,
/* keep last */
NUM_NL80211_IFTYPES,
@ -2994,12 +3010,18 @@ enum nl80211_ap_sme_features {
* @NL80211_FEATURE_CELL_BASE_REG_HINTS: This driver has been tested
* to work properly to suppport receiving regulatory hints from
* cellular base stations.
* @NL80211_FEATURE_P2P_DEVICE_NEEDS_CHANNEL: If this is set, an active
* P2P Device (%NL80211_IFTYPE_P2P_DEVICE) requires its own channel
* in the interface combinations, even when it's only used for scan
* and remain-on-channel. This could be due to, for example, the
* remain-on-channel implementation requiring a channel context.
*/
enum nl80211_feature_flags {
NL80211_FEATURE_SK_TX_STATUS = 1 << 0,
NL80211_FEATURE_HT_IBSS = 1 << 1,
NL80211_FEATURE_INACTIVITY_TIMER = 1 << 2,
NL80211_FEATURE_CELL_BASE_REG_HINTS = 1 << 3,
NL80211_FEATURE_SK_TX_STATUS = 1 << 0,
NL80211_FEATURE_HT_IBSS = 1 << 1,
NL80211_FEATURE_INACTIVITY_TIMER = 1 << 2,
NL80211_FEATURE_CELL_BASE_REG_HINTS = 1 << 3,
NL80211_FEATURE_P2P_DEVICE_NEEDS_CHANNEL = 1 << 4,
};
/**

40
include/net/cfg80211.h
View File

@ -1437,7 +1437,8 @@ struct cfg80211_gtk_rekey_data {
* @add_virtual_intf: create a new virtual interface with the given name,
* must set the struct wireless_dev's iftype. Beware: You must create
* the new netdev in the wiphy's network namespace! Returns the struct
* wireless_dev, or an ERR_PTR.
* wireless_dev, or an ERR_PTR. For P2P device wdevs, the driver must
* also set the address member in the wdev.
*
* @del_virtual_intf: remove the virtual interface
*
@ -1616,6 +1617,9 @@ struct cfg80211_gtk_rekey_data {
* @get_channel: Get the current operating channel for the virtual interface.
* For monitor interfaces, it should return %NULL unless there's a single
* current monitoring channel.
*
* @start_p2p_device: Start the given P2P device.
* @stop_p2p_device: Stop the given P2P device.
*/
struct cfg80211_ops {
int (*suspend)(struct wiphy *wiphy, struct cfg80211_wowlan *wow);
@ -1832,6 +1836,11 @@ struct cfg80211_ops {
(*get_channel)(struct wiphy *wiphy,
struct wireless_dev *wdev,
enum nl80211_channel_type *type);
int (*start_p2p_device)(struct wiphy *wiphy,
struct wireless_dev *wdev);
void (*stop_p2p_device)(struct wiphy *wiphy,
struct wireless_dev *wdev);
};
/*
@ -2395,6 +2404,8 @@ struct cfg80211_cached_keys;
* @cleanup_work: work struct used for cleanup that can't be done directly
* @beacon_interval: beacon interval used on this device for transmitting
* beacons, 0 when not valid
* @address: The address for this device, valid only if @netdev is %NULL
* @p2p_started: true if this is a P2P Device that has been started
*/
struct wireless_dev {
struct wiphy *wiphy;
@ -2413,7 +2424,9 @@ struct wireless_dev {
struct work_struct cleanup_work;
bool use_4addr;
bool use_4addr, p2p_started;
u8 address[ETH_ALEN] __aligned(sizeof(u16));
/* currently used for IBSS and SME - might be rearranged later */
u8 ssid[IEEE80211_MAX_SSID_LEN];
@ -2461,6 +2474,13 @@ struct wireless_dev {
#endif
};
static inline u8 *wdev_address(struct wireless_dev *wdev)
{
if (wdev->netdev)
return wdev->netdev->dev_addr;
return wdev->address;
}
/**
* wdev_priv - return wiphy priv from wireless_dev
*
@ -3528,6 +3548,22 @@ void cfg80211_ch_switch_notify(struct net_device *dev, int freq,
*/
u32 cfg80211_calculate_bitrate(struct rate_info *rate);
/**
* cfg80211_unregister_wdev - remove the given wdev
* @wdev: struct wireless_dev to remove
*
* Call this function only for wdevs that have no netdev assigned,
* e.g. P2P Devices. It removes the device from the list so that
* it can no longer be used. It is necessary to call this function
* even when cfg80211 requests the removal of the interface by
* calling the del_virtual_intf() callback. The function must also
* be called when the driver wishes to unregister the wdev, e.g.
* when the device is unbound from the driver.
*
* Requires the RTNL to be held.
*/
void cfg80211_unregister_wdev(struct wireless_dev *wdev);
/* Logging, debugging and troubleshooting/diagnostic helpers. */
/* wiphy_printk helpers, similar to dev_printk */

11
include/net/ieee80211_radiotap.h
View File

@ -183,6 +183,9 @@ struct ieee80211_radiotap_header {
* Contains a bitmap of known fields/flags, the flags, and
* the MCS index.
*
* IEEE80211_RADIOTAP_AMPDU_STATUS u32, u16, u8, u8 unitless
*
* Contains the AMPDU information for the subframe.
*/
enum ieee80211_radiotap_type {
IEEE80211_RADIOTAP_TSFT = 0,
@ -205,6 +208,7 @@ enum ieee80211_radiotap_type {
IEEE80211_RADIOTAP_DATA_RETRIES = 17,
IEEE80211_RADIOTAP_MCS = 19,
IEEE80211_RADIOTAP_AMPDU_STATUS = 20,
/* valid in every it_present bitmap, even vendor namespaces */
IEEE80211_RADIOTAP_RADIOTAP_NAMESPACE = 29,
@ -270,6 +274,13 @@ enum ieee80211_radiotap_type {
#define IEEE80211_RADIOTAP_MCS_FMT_GF 0x08
#define IEEE80211_RADIOTAP_MCS_FEC_LDPC 0x10
/* For IEEE80211_RADIOTAP_AMPDU_STATUS */
#define IEEE80211_RADIOTAP_AMPDU_REPORT_ZEROLEN 0x0001
#define IEEE80211_RADIOTAP_AMPDU_IS_ZEROLEN 0x0002
#define IEEE80211_RADIOTAP_AMPDU_LAST_KNOWN 0x0004
#define IEEE80211_RADIOTAP_AMPDU_IS_LAST 0x0008
#define IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_ERR 0x0010
#define IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_KNOWN 0x0020
/* helpers */
static inline int ieee80211_get_radiotap_len(unsigned char *data)

87
include/net/mac80211.h
View File

@ -171,6 +171,7 @@ struct ieee80211_low_level_stats {
* @BSS_CHANGED_IDLE: Idle changed for this BSS/interface.
* @BSS_CHANGED_SSID: SSID changed for this BSS (AP mode)
* @BSS_CHANGED_AP_PROBE_RESP: Probe Response changed for this BSS (AP mode)
* @BSS_CHANGED_PS: PS changed for this BSS (STA mode)
*/
enum ieee80211_bss_change {
BSS_CHANGED_ASSOC = 1<<0,
@ -190,6 +191,7 @@ enum ieee80211_bss_change {
BSS_CHANGED_IDLE = 1<<14,
BSS_CHANGED_SSID = 1<<15,
BSS_CHANGED_AP_PROBE_RESP = 1<<16,
BSS_CHANGED_PS = 1<<17,
/* when adding here, make sure to change ieee80211_reconfig */
};
@ -266,6 +268,8 @@ enum ieee80211_rssi_event {
* @idle: This interface is idle. There's also a global idle flag in the
* hardware config which may be more appropriate depending on what
* your driver/device needs to do.
* @ps: power-save mode (STA only). This flag is NOT affected by
* offchannel/dynamic_ps operations.
* @ssid: The SSID of the current vif. Only valid in AP-mode.
* @ssid_len: Length of SSID given in @ssid.
* @hidden_ssid: The SSID of the current vif is hidden. Only valid in AP-mode.
@ -296,6 +300,7 @@ struct ieee80211_bss_conf {
bool arp_filter_enabled;
bool qos;
bool idle;
bool ps;
u8 ssid[IEEE80211_MAX_SSID_LEN];
size_t ssid_len;
bool hidden_ssid;
@ -522,9 +527,6 @@ struct ieee80211_tx_rate {
* (2) driver internal use (if applicable)
* (3) TX status information - driver tells mac80211 what happened
*
* The TX control's sta pointer is only valid during the ->tx call,
* it may be NULL.
*
* @flags: transmit info flags, defined above
* @band: the band to transmit on (use for checking for races)
* @hw_queue: HW queue to put the frame on, skb_get_queue_mapping() gives the AC
@ -555,6 +557,7 @@ struct ieee80211_tx_info {
struct ieee80211_tx_rate rates[
IEEE80211_TX_MAX_RATES];
s8 rts_cts_rate_idx;
/* 3 bytes free */
};
/* only needed before rate control */
unsigned long jiffies;
@ -562,7 +565,7 @@ struct ieee80211_tx_info {
/* NB: vif can be NULL for injected frames */
struct ieee80211_vif *vif;
struct ieee80211_key_conf *hw_key;
struct ieee80211_sta *sta;
/* 8 bytes free */
} control;
struct {
struct ieee80211_tx_rate rates[IEEE80211_TX_MAX_RATES];
@ -673,21 +676,41 @@ ieee80211_tx_info_clear_status(struct ieee80211_tx_info *info)
* @RX_FLAG_HT_GF: This frame was received in a HT-greenfield transmission, if
* the driver fills this value it should add %IEEE80211_RADIOTAP_MCS_HAVE_FMT
* to hw.radiotap_mcs_details to advertise that fact
* @RX_FLAG_AMPDU_DETAILS: A-MPDU details are known, in particular the reference
* number (@ampdu_reference) must be populated and be a distinct number for
* each A-MPDU
* @RX_FLAG_AMPDU_REPORT_ZEROLEN: driver reports 0-length subframes
* @RX_FLAG_AMPDU_IS_ZEROLEN: This is a zero-length subframe, for
* monitoring purposes only
* @RX_FLAG_AMPDU_LAST_KNOWN: last subframe is known, should be set on all
* subframes of a single A-MPDU
* @RX_FLAG_AMPDU_IS_LAST: this subframe is the last subframe of the A-MPDU
* @RX_FLAG_AMPDU_DELIM_CRC_ERROR: A delimiter CRC error has been detected
* on this subframe
* @RX_FLAG_AMPDU_DELIM_CRC_KNOWN: The delimiter CRC field is known (the CRC
* is stored in the @ampdu_delimiter_crc field)
*/
enum mac80211_rx_flags {
RX_FLAG_MMIC_ERROR = 1<<0,
RX_FLAG_DECRYPTED = 1<<1,
RX_FLAG_MMIC_STRIPPED = 1<<3,
RX_FLAG_IV_STRIPPED = 1<<4,
RX_FLAG_FAILED_FCS_CRC = 1<<5,
RX_FLAG_FAILED_PLCP_CRC = 1<<6,
RX_FLAG_MACTIME_MPDU = 1<<7,
RX_FLAG_SHORTPRE = 1<<8,
RX_FLAG_HT = 1<<9,
RX_FLAG_40MHZ = 1<<10,
RX_FLAG_SHORT_GI = 1<<11,
RX_FLAG_NO_SIGNAL_VAL = 1<<12,
RX_FLAG_HT_GF = 1<<13,
RX_FLAG_MMIC_ERROR = BIT(0),
RX_FLAG_DECRYPTED = BIT(1),
RX_FLAG_MMIC_STRIPPED = BIT(3),
RX_FLAG_IV_STRIPPED = BIT(4),
RX_FLAG_FAILED_FCS_CRC = BIT(5),
RX_FLAG_FAILED_PLCP_CRC = BIT(6),
RX_FLAG_MACTIME_MPDU = BIT(7),
RX_FLAG_SHORTPRE = BIT(8),
RX_FLAG_HT = BIT(9),
RX_FLAG_40MHZ = BIT(10),
RX_FLAG_SHORT_GI = BIT(11),
RX_FLAG_NO_SIGNAL_VAL = BIT(12),
RX_FLAG_HT_GF = BIT(13),
RX_FLAG_AMPDU_DETAILS = BIT(14),
RX_FLAG_AMPDU_REPORT_ZEROLEN = BIT(15),
RX_FLAG_AMPDU_IS_ZEROLEN = BIT(16),
RX_FLAG_AMPDU_LAST_KNOWN = BIT(17),
RX_FLAG_AMPDU_IS_LAST = BIT(18),
RX_FLAG_AMPDU_DELIM_CRC_ERROR = BIT(19),
RX_FLAG_AMPDU_DELIM_CRC_KNOWN = BIT(20),
};
/**
@ -711,17 +734,22 @@ enum mac80211_rx_flags {
* HT rates are use (RX_FLAG_HT)
* @flag: %RX_FLAG_*
* @rx_flags: internal RX flags for mac80211
* @ampdu_reference: A-MPDU reference number, must be a different value for
* each A-MPDU but the same for each subframe within one A-MPDU
* @ampdu_delimiter_crc: A-MPDU delimiter CRC
*/
struct ieee80211_rx_status {
u64 mactime;
u32 device_timestamp;
u16 flag;
u32 ampdu_reference;
u32 flag;
u16 freq;
u8 rate_idx;
u8 rx_flags;
u8 band;
u8 antenna;
s8 signal;
u8 ampdu_delimiter_crc;
};
/**
@ -1073,6 +1101,16 @@ enum sta_notify_cmd {
STA_NOTIFY_SLEEP, STA_NOTIFY_AWAKE,
};
/**
* struct ieee80211_tx_control - TX control data
*
* @sta: station table entry, this sta pointer may be NULL and
* it is not allowed to copy the pointer, due to RCU.
*/
struct ieee80211_tx_control {
struct ieee80211_sta *sta;
};
/**
* enum ieee80211_hw_flags - hardware flags
*
@ -1203,6 +1241,10 @@ enum sta_notify_cmd {
* queue mapping in order to use different queues (not just one per AC)
* for different virtual interfaces. See the doc section on HW queue
* control for more details.
*
* @IEEE80211_HW_P2P_DEV_ADDR_FOR_INTF: Use the P2P Device address for any
* P2P Interface. This will be honoured even if more than one interface
* is supported.
*/
enum ieee80211_hw_flags {
IEEE80211_HW_HAS_RATE_CONTROL = 1<<0,
@ -1230,6 +1272,7 @@ enum ieee80211_hw_flags {
IEEE80211_HW_AP_LINK_PS = 1<<22,
IEEE80211_HW_TX_AMPDU_SETUP_IN_HW = 1<<23,
IEEE80211_HW_SCAN_WHILE_IDLE = 1<<24,
IEEE80211_HW_P2P_DEV_ADDR_FOR_INTF = 1<<25,
};
/**
@ -1884,10 +1927,14 @@ enum ieee80211_frame_release_type {
* @IEEE80211_RC_BW_CHANGED: The bandwidth that can be used to transmit
* to this station changed.
* @IEEE80211_RC_SMPS_CHANGED: The SMPS state of the station changed.
* @IEEE80211_RC_SUPP_RATES_CHANGED: The supported rate set of this peer
* changed (in IBSS mode) due to discovering more information about
* the peer.
*/
enum ieee80211_rate_control_changed {
IEEE80211_RC_BW_CHANGED = BIT(0),
IEEE80211_RC_SMPS_CHANGED = BIT(1),
IEEE80211_RC_SUPP_RATES_CHANGED = BIT(2),
};
/**
@ -2264,7 +2311,9 @@ enum ieee80211_rate_control_changed {
* The callback is optional and can (should!) sleep.
*/
struct ieee80211_ops {
void (*tx)(struct ieee80211_hw *hw, struct sk_buff *skb);
void (*tx)(struct ieee80211_hw *hw,
struct ieee80211_tx_control *control,
struct sk_buff *skb);
int (*start)(struct ieee80211_hw *hw);
void (*stop)(struct ieee80211_hw *hw);
#ifdef CONFIG_PM

6
net/mac80211/aes_cmac.c
View File

@ -38,14 +38,10 @@ static void gf_mulx(u8 *pad)
static void aes_128_cmac_vector(struct crypto_cipher *tfm, size_t num_elem,
const u8 *addr[], const size_t *len, u8 *mac)
{
u8 scratch[2 * AES_BLOCK_SIZE];
u8 *cbc, *pad;
u8 cbc[AES_BLOCK_SIZE], pad[AES_BLOCK_SIZE];
const u8 *pos, *end;
size_t i, e, left, total_len;
cbc = scratch;
pad = scratch + AES_BLOCK_SIZE;
memset(cbc, 0, AES_BLOCK_SIZE);
total_len = 0;

68
net/mac80211/cfg.c
View File

@ -102,6 +102,18 @@ static int ieee80211_change_iface(struct wiphy *wiphy,
return 0;
}
static int ieee80211_start_p2p_device(struct wiphy *wiphy,
struct wireless_dev *wdev)
{
return ieee80211_do_open(wdev, true);
}
static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
struct wireless_dev *wdev)
{
ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
}
static int ieee80211_set_noack_map(struct wiphy *wiphy,
struct net_device *dev,
u16 noack_map)
@ -330,7 +342,7 @@ static void rate_idx_to_bitrate(struct rate_info *rate, struct sta_info *sta, in
if (!(rate->flags & RATE_INFO_FLAGS_MCS)) {
struct ieee80211_supported_band *sband;
sband = sta->local->hw.wiphy->bands[
sta->local->hw.conf.channel->band];
sta->local->oper_channel->band];
rate->legacy = sband->bitrates[idx].bitrate;
} else
rate->mcs = idx;
@ -725,25 +737,23 @@ static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
const u8 *resp, size_t resp_len)
{
struct sk_buff *new, *old;
struct probe_resp *new, *old;
if (!resp || !resp_len)
return 1;
return -EINVAL;
old = rtnl_dereference(sdata->u.ap.probe_resp);
new = dev_alloc_skb(resp_len);
new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
if (!new)
return -ENOMEM;
memcpy(skb_put(new, resp_len), resp, resp_len);
new->len = resp_len;
memcpy(new->data, resp, resp_len);
rcu_assign_pointer(sdata->u.ap.probe_resp, new);
if (old) {
/* TODO: use call_rcu() */
synchronize_rcu();
dev_kfree_skb(old);
}
if (old)
kfree_rcu(old, rcu_head);
return 0;
}
@ -950,7 +960,7 @@ static void ieee80211_send_layer2_update(struct sta_info *sta)
/* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
* Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
memset(msg->da, 0xff, ETH_ALEN);
eth_broadcast_addr(msg->da);
memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
msg->len = htons(6);
msg->dsap = 0;
@ -1285,9 +1295,10 @@ static int ieee80211_change_station(struct wiphy *wiphy,
mutex_unlock(&local->sta_mtx);
if (sdata->vif.type == NL80211_IFTYPE_STATION &&
params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))
params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
ieee80211_recalc_ps(local, -1);
ieee80211_recalc_ps_vif(sdata);
}
return 0;
}
@ -1661,7 +1672,7 @@ static int ieee80211_change_bss(struct wiphy *wiphy,
}
if (!sdata->vif.bss_conf.use_short_slot &&
sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) {
sdata->local->oper_channel->band == IEEE80211_BAND_5GHZ) {
sdata->vif.bss_conf.use_short_slot = true;
changed |= BSS_CHANGED_ERP_SLOT;
}
@ -1775,6 +1786,7 @@ static int ieee80211_scan(struct wiphy *wiphy,
case NL80211_IFTYPE_ADHOC:
case NL80211_IFTYPE_MESH_POINT:
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_P2P_DEVICE:
break;
case NL80211_IFTYPE_P2P_GO:
if (sdata->local->ops->hw_scan)
@ -1927,7 +1939,7 @@ static int ieee80211_set_tx_power(struct wiphy *wiphy,
enum nl80211_tx_power_setting type, int mbm)
{
struct ieee80211_local *local = wiphy_priv(wiphy);
struct ieee80211_channel *chan = local->hw.conf.channel;
struct ieee80211_channel *chan = local->oper_channel;
u32 changes = 0;
switch (type) {
@ -2079,6 +2091,7 @@ static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
ieee80211_recalc_ps(local, -1);
ieee80211_recalc_ps_vif(sdata);
return 0;
}
@ -2461,6 +2474,9 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
if (!sdata->u.mgd.associated)
need_offchan = true;
break;
case NL80211_IFTYPE_P2P_DEVICE:
need_offchan = true;
break;
default:
return -EOPNOTSUPP;
}
@ -2653,6 +2669,7 @@ ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
u16 status_code, struct sk_buff *skb)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = sdata->local;
struct ieee80211_tdls_data *tf;
tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
@ -2672,8 +2689,10 @@ ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
tf->u.setup_req.capability =
cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
ieee80211_add_srates_ie(sdata, skb, false);
ieee80211_add_ext_srates_ie(sdata, skb, false);
ieee80211_add_srates_ie(sdata, skb, false,
local->oper_channel->band);
ieee80211_add_ext_srates_ie(sdata, skb, false,
local->oper_channel->band);
ieee80211_tdls_add_ext_capab(skb);
break;
case WLAN_TDLS_SETUP_RESPONSE:
@ -2686,8 +2705,10 @@ ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
tf->u.setup_resp.capability =
cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
ieee80211_add_srates_ie(sdata, skb, false);
ieee80211_add_ext_srates_ie(sdata, skb, false);
ieee80211_add_srates_ie(sdata, skb, false,
local->oper_channel->band);
ieee80211_add_ext_srates_ie(sdata, skb, false,
local->oper_channel->band);
ieee80211_tdls_add_ext_capab(skb);
break;
case WLAN_TDLS_SETUP_CONFIRM:
@ -2725,6 +2746,7 @@ ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
u16 status_code, struct sk_buff *skb)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = sdata->local;
struct ieee80211_mgmt *mgmt;
mgmt = (void *)skb_put(skb, 24);
@ -2747,8 +2769,10 @@ ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
mgmt->u.action.u.tdls_discover_resp.capability =
cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
ieee80211_add_srates_ie(sdata, skb, false);
ieee80211_add_ext_srates_ie(sdata, skb, false);
ieee80211_add_srates_ie(sdata, skb, false,
local->oper_channel->band);
ieee80211_add_ext_srates_ie(sdata, skb, false,
local->oper_channel->band);
ieee80211_tdls_add_ext_capab(skb);
break;
default:
@ -3005,6 +3029,8 @@ struct cfg80211_ops mac80211_config_ops = {
.add_virtual_intf = ieee80211_add_iface,
.del_virtual_intf = ieee80211_del_iface,
.change_virtual_intf = ieee80211_change_iface,
.start_p2p_device = ieee80211_start_p2p_device,
.stop_p2p_device = ieee80211_stop_p2p_device,
.add_key = ieee80211_add_key,
.del_key = ieee80211_del_key,
.get_key = ieee80211_get_key,

32
net/mac80211/debugfs.c
View File

@ -63,8 +63,6 @@ DEBUGFS_READONLY_FILE(user_power, "%d",
local->user_power_level);
DEBUGFS_READONLY_FILE(power, "%d",
local->hw.conf.power_level);
DEBUGFS_READONLY_FILE(frequency, "%d",
local->hw.conf.channel->center_freq);
DEBUGFS_READONLY_FILE(total_ps_buffered, "%d",
local->total_ps_buffered);
DEBUGFS_READONLY_FILE(wep_iv, "%#08x",
@ -91,33 +89,6 @@ static const struct file_operations reset_ops = {
.llseek = noop_llseek,
};
static ssize_t channel_type_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ieee80211_local *local = file->private_data;
const char *buf;
switch (local->hw.conf.channel_type) {
case NL80211_CHAN_NO_HT:
buf = "no ht\n";
break;
case NL80211_CHAN_HT20:
buf = "ht20\n";
break;
case NL80211_CHAN_HT40MINUS:
buf = "ht40-\n";
break;
case NL80211_CHAN_HT40PLUS:
buf = "ht40+\n";
break;
default:
buf = "???";
break;
}
return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
}
static ssize_t hwflags_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
@ -205,7 +176,6 @@ static ssize_t queues_read(struct file *file, char __user *user_buf,
}
DEBUGFS_READONLY_FILE_OPS(hwflags);
DEBUGFS_READONLY_FILE_OPS(channel_type);
DEBUGFS_READONLY_FILE_OPS(queues);
/* statistics stuff */
@ -272,12 +242,10 @@ void debugfs_hw_add(struct ieee80211_local *local)
local->debugfs.keys = debugfs_create_dir("keys", phyd);
DEBUGFS_ADD(frequency);
DEBUGFS_ADD(total_ps_buffered);
DEBUGFS_ADD(wep_iv);
DEBUGFS_ADD(queues);
DEBUGFS_ADD_MODE(reset, 0200);
DEBUGFS_ADD(channel_type);
DEBUGFS_ADD(hwflags);
DEBUGFS_ADD(user_power);
DEBUGFS_ADD(power);

11
net/mac80211/driver-ops.h
View File

@ -9,7 +9,7 @@ static inline void check_sdata_in_driver(struct ieee80211_sub_if_data *sdata)
{
WARN(!(sdata->flags & IEEE80211_SDATA_IN_DRIVER),
"%s: Failed check-sdata-in-driver check, flags: 0x%x\n",
sdata->dev->name, sdata->flags);
sdata->dev ? sdata->dev->name : sdata->name, sdata->flags);
}
static inline struct ieee80211_sub_if_data *
@ -22,9 +22,11 @@ get_bss_sdata(struct ieee80211_sub_if_data *sdata)
return sdata;
}
static inline void drv_tx(struct ieee80211_local *local, struct sk_buff *skb)
static inline void drv_tx(struct ieee80211_local *local,
struct ieee80211_tx_control *control,
struct sk_buff *skb)
{
local->ops->tx(&local->hw, skb);
local->ops->tx(&local->hw, control, skb);
}
static inline void drv_get_et_strings(struct ieee80211_sub_if_data *sdata,
@ -526,6 +528,9 @@ static inline void drv_sta_rc_update(struct ieee80211_local *local,
sdata = get_bss_sdata(sdata);
check_sdata_in_driver(sdata);
WARN_ON(changed & IEEE80211_RC_SUPP_RATES_CHANGED &&
sdata->vif.type != NL80211_IFTYPE_ADHOC);
trace_drv_sta_rc_update(local, sdata, sta, changed);
if (local->ops->sta_rc_update)
local->ops->sta_rc_update(&local->hw, &sdata->vif,

15
net/mac80211/ibss.c
View File

@ -109,7 +109,7 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
memset(mgmt, 0, 24 + sizeof(mgmt->u.beacon));
mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
IEEE80211_STYPE_PROBE_RESP);
memset(mgmt->da, 0xff, ETH_ALEN);
eth_broadcast_addr(mgmt->da);
memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
memcpy(mgmt->bssid, ifibss->bssid, ETH_ALEN);
mgmt->u.beacon.beacon_int = cpu_to_le16(beacon_int);
@ -205,7 +205,7 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
mod_timer(&ifibss->timer,
round_jiffies(jiffies + IEEE80211_IBSS_MERGE_INTERVAL));
bss = cfg80211_inform_bss_frame(local->hw.wiphy, local->hw.conf.channel,
bss = cfg80211_inform_bss_frame(local->hw.wiphy, chan,
mgmt, skb->len, 0, GFP_KERNEL);
cfg80211_put_bss(bss);
netif_carrier_on(sdata->dev);
@ -294,7 +294,7 @@ ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
int band = local->hw.conf.channel->band;
int band = local->oper_channel->band;
/*
* XXX: Consider removing the least recently used entry and
@ -459,8 +459,11 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
}
}
if (sta && rates_updated)
if (sta && rates_updated) {
drv_sta_rc_update(local, sdata, &sta->sta,
IEEE80211_RC_SUPP_RATES_CHANGED);
rate_control_rate_init(sta);
}
rcu_read_unlock();
}
@ -561,7 +564,7 @@ void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
int band = local->hw.conf.channel->band;
int band = local->oper_channel->band;
/*
* XXX: Consider removing the least recently used entry and
@ -759,7 +762,7 @@ static void ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata)
return;
}
sdata_info(sdata, "IBSS not allowed on %d MHz\n",
local->hw.conf.channel->center_freq);
local->oper_channel->center_freq);
/* No IBSS found - decrease scan interval and continue
* scanning. */

30
net/mac80211/ieee80211_i.h
View File

@ -193,8 +193,6 @@ struct ieee80211_tx_data {
struct sta_info *sta;
struct ieee80211_key *key;
struct ieee80211_channel *channel;
unsigned int flags;
};
@ -274,9 +272,15 @@ struct beacon_data {
struct rcu_head rcu_head;
};
struct probe_resp {
struct rcu_head rcu_head;
int len;
u8 data[0];
};
struct ieee80211_if_ap {
struct beacon_data __rcu *beacon;
struct sk_buff __rcu *probe_resp;
struct probe_resp __rcu *probe_resp;
struct list_head vlans;
@ -359,6 +363,7 @@ enum ieee80211_sta_flags {
IEEE80211_STA_NULLFUNC_ACKED = BIT(8),
IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9),
IEEE80211_STA_DISABLE_40MHZ = BIT(10),
IEEE80211_STA_DISABLE_VHT = BIT(11),
};
struct ieee80211_mgd_auth_data {
@ -1075,6 +1080,8 @@ struct ieee80211_local {
struct idr ack_status_frames;
spinlock_t ack_status_lock;
struct ieee80211_sub_if_data __rcu *p2p_sdata;
/* dummy netdev for use w/ NAPI */
struct net_device napi_dev;
@ -1131,7 +1138,7 @@ struct ieee802_11_elems {
u8 *prep;
u8 *perr;
struct ieee80211_rann_ie *rann;
u8 *ch_switch_elem;
struct ieee80211_channel_sw_ie *ch_switch_ie;
u8 *country_elem;
u8 *pwr_constr_elem;
u8 *quiet_elem; /* first quite element */
@ -1157,7 +1164,6 @@ struct ieee802_11_elems {
u8 preq_len;
u8 prep_len;
u8 perr_len;
u8 ch_switch_elem_len;
u8 country_elem_len;
u8 pwr_constr_elem_len;
u8 quiet_elem_len;
@ -1202,6 +1208,7 @@ int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata,
void ieee80211_send_pspoll(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata);
void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency);
void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data *sdata);
int ieee80211_max_network_latency(struct notifier_block *nb,
unsigned long data, void *dummy);
int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata);
@ -1291,6 +1298,8 @@ void ieee80211_remove_interfaces(struct ieee80211_local *local);
void ieee80211_recalc_idle(struct ieee80211_local *local);
void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata,
const int offset);
int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up);
void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata);
static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata)
{
@ -1425,7 +1434,6 @@ void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata,
struct ieee80211_hdr *hdr);
void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata,
struct ieee80211_hdr *hdr, bool ack);
void ieee80211_beacon_connection_loss_work(struct work_struct *work);
void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw,
enum queue_stop_reason reason);
@ -1457,13 +1465,15 @@ int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
u8 channel);
struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
u8 *dst, u32 ratemask,
struct ieee80211_channel *chan,
const u8 *ssid, size_t ssid_len,
const u8 *ie, size_t ie_len,
bool directed);
void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
const u8 *ssid, size_t ssid_len,
const u8 *ie, size_t ie_len,
u32 ratemask, bool directed, bool no_cck);
u32 ratemask, bool directed, bool no_cck,
struct ieee80211_channel *channel);
void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata,
const size_t supp_rates_len,
@ -1487,9 +1497,11 @@ u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap,
u32 cap);
int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb, bool need_basic);
struct sk_buff *skb, bool need_basic,
enum ieee80211_band band);
int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb, bool need_basic);
struct sk_buff *skb, bool need_basic,
enum ieee80211_band band);
/* channel management */
enum ieee80211_chan_mode {

281
net/mac80211/iface.c
View File

@ -100,6 +100,10 @@ static u32 __ieee80211_recalc_idle(struct ieee80211_local *local)
sdata->vif.bss_conf.idle = true;
continue;
}
if (sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE)
continue;
/* count everything else */
sdata->vif.bss_conf.idle = false;
count++;
@ -121,7 +125,8 @@ static u32 __ieee80211_recalc_idle(struct ieee80211_local *local)
list_for_each_entry(sdata, &local->interfaces, list) {
if (sdata->vif.type == NL80211_IFTYPE_MONITOR ||
sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE)
continue;
if (sdata->old_idle == sdata->vif.bss_conf.idle)
continue;
@ -204,6 +209,8 @@ static inline int identical_mac_addr_allowed(int type1, int type2)
{
return type1 == NL80211_IFTYPE_MONITOR ||
type2 == NL80211_IFTYPE_MONITOR ||
type1 == NL80211_IFTYPE_P2P_DEVICE ||
type2 == NL80211_IFTYPE_P2P_DEVICE ||
(type1 == NL80211_IFTYPE_AP && type2 == NL80211_IFTYPE_WDS) ||
(type1 == NL80211_IFTYPE_WDS &&
(type2 == NL80211_IFTYPE_WDS ||
@ -406,9 +413,10 @@ static void ieee80211_del_virtual_monitor(struct ieee80211_local *local)
* an error on interface type changes that have been pre-checked, so most
* checks should be in ieee80211_check_concurrent_iface.
*/
static int ieee80211_do_open(struct net_device *dev, bool coming_up)
int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
struct net_device *dev = wdev->netdev;
struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
u32 changed = 0;
@ -443,6 +451,7 @@ static int ieee80211_do_open(struct net_device *dev, bool coming_up)
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_MONITOR:
case NL80211_IFTYPE_ADHOC:
case NL80211_IFTYPE_P2P_DEVICE:
/* no special treatment */
break;
case NL80211_IFTYPE_UNSPECIFIED:
@ -471,7 +480,7 @@ static int ieee80211_do_open(struct net_device *dev, bool coming_up)
* Copy the hopefully now-present MAC address to
* this interface, if it has the special null one.
*/
if (is_zero_ether_addr(dev->dev_addr)) {
if (dev && is_zero_ether_addr(dev->dev_addr)) {
memcpy(dev->dev_addr,
local->hw.wiphy->perm_addr,
ETH_ALEN);
@ -536,15 +545,23 @@ static int ieee80211_do_open(struct net_device *dev, bool coming_up)
local->fif_probe_req++;
}
changed |= ieee80211_reset_erp_info(sdata);
if (sdata->vif.type != NL80211_IFTYPE_P2P_DEVICE)
changed |= ieee80211_reset_erp_info(sdata);
ieee80211_bss_info_change_notify(sdata, changed);
if (sdata->vif.type == NL80211_IFTYPE_STATION ||
sdata->vif.type == NL80211_IFTYPE_ADHOC ||
sdata->vif.type == NL80211_IFTYPE_AP)
switch (sdata->vif.type) {
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_ADHOC:
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_MESH_POINT:
netif_carrier_off(dev);
else
break;
case NL80211_IFTYPE_WDS:
case NL80211_IFTYPE_P2P_DEVICE:
break;
default:
netif_carrier_on(dev);
}
/*
* set default queue parameters so drivers don't
@ -576,6 +593,9 @@ static int ieee80211_do_open(struct net_device *dev, bool coming_up)
}
rate_control_rate_init(sta);
netif_carrier_on(dev);
} else if (sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE) {
rcu_assign_pointer(local->p2p_sdata, sdata);
}
/*
@ -601,7 +621,8 @@ static int ieee80211_do_open(struct net_device *dev, bool coming_up)
ieee80211_recalc_ps(local, -1);
netif_tx_start_all_queues(dev);
if (dev)
netif_tx_start_all_queues(dev);
return 0;
err_del_interface:
@ -631,7 +652,7 @@ static int ieee80211_open(struct net_device *dev)
if (err)
return err;
return ieee80211_do_open(dev, true);
return ieee80211_do_open(&sdata->wdev, true);
}
static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
@ -652,7 +673,8 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
/*
* Stop TX on this interface first.
*/
netif_tx_stop_all_queues(sdata->dev);
if (sdata->dev)
netif_tx_stop_all_queues(sdata->dev);
ieee80211_roc_purge(sdata);
@ -691,14 +713,16 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
local->fif_probe_req--;
}
netif_addr_lock_bh(sdata->dev);
spin_lock_bh(&local->filter_lock);
__hw_addr_unsync(&local->mc_list, &sdata->dev->mc,
sdata->dev->addr_len);
spin_unlock_bh(&local->filter_lock);
netif_addr_unlock_bh(sdata->dev);
if (sdata->dev) {
netif_addr_lock_bh(sdata->dev);
spin_lock_bh(&local->filter_lock);
__hw_addr_unsync(&local->mc_list, &sdata->dev->mc,
sdata->dev->addr_len);
spin_unlock_bh(&local->filter_lock);
netif_addr_unlock_bh(sdata->dev);
ieee80211_configure_filter(local);
ieee80211_configure_filter(local);
}
del_timer_sync(&local->dynamic_ps_timer);
cancel_work_sync(&local->dynamic_ps_enable_work);
@ -708,7 +732,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
struct ieee80211_sub_if_data *vlan, *tmpsdata;
struct beacon_data *old_beacon =
rtnl_dereference(sdata->u.ap.beacon);
struct sk_buff *old_probe_resp =
struct probe_resp *old_probe_resp =
rtnl_dereference(sdata->u.ap.probe_resp);
/* sdata_running will return false, so this will disable */
@ -720,7 +744,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
synchronize_rcu();
kfree(old_beacon);
kfree_skb(old_probe_resp);
kfree(old_probe_resp);
/* down all dependent devices, that is VLANs */
list_for_each_entry_safe(vlan, tmpsdata, &sdata->u.ap.vlans,
@ -759,6 +783,10 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
ieee80211_adjust_monitor_flags(sdata, -1);
ieee80211_configure_filter(local);
break;
case NL80211_IFTYPE_P2P_DEVICE:
/* relies on synchronize_rcu() below */
rcu_assign_pointer(local->p2p_sdata, NULL);
/* fall through */
default:
flush_work(&sdata->work);
/*
@ -770,14 +798,6 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
synchronize_rcu();
skb_queue_purge(&sdata->skb_queue);
/*
* Disable beaconing here for mesh only, AP and IBSS
* are already taken care of.
*/
if (sdata->vif.type == NL80211_IFTYPE_MESH_POINT)
ieee80211_bss_info_change_notify(sdata,
BSS_CHANGED_BEACON_ENABLED);
/*
* Free all remaining keys, there shouldn't be any,
* except maybe group keys in AP more or WDS?
@ -877,9 +897,8 @@ static void ieee80211_set_multicast_list(struct net_device *dev)
* Called when the netdev is removed or, by the code below, before
* the interface type changes.
*/
static void ieee80211_teardown_sdata(struct net_device *dev)
static void ieee80211_teardown_sdata(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = sdata->local;
int flushed;
int i;
@ -900,6 +919,11 @@ static void ieee80211_teardown_sdata(struct net_device *dev)
WARN_ON(flushed);
}
static void ieee80211_uninit(struct net_device *dev)
{
ieee80211_teardown_sdata(IEEE80211_DEV_TO_SUB_IF(dev));
}
static u16 ieee80211_netdev_select_queue(struct net_device *dev,
struct sk_buff *skb)
{
@ -909,7 +933,7 @@ static u16 ieee80211_netdev_select_queue(struct net_device *dev,
static const struct net_device_ops ieee80211_dataif_ops = {
.ndo_open = ieee80211_open,
.ndo_stop = ieee80211_stop,
.ndo_uninit = ieee80211_teardown_sdata,
.ndo_uninit = ieee80211_uninit,
.ndo_start_xmit = ieee80211_subif_start_xmit,
.ndo_set_rx_mode = ieee80211_set_multicast_list,
.ndo_change_mtu = ieee80211_change_mtu,
@ -940,7 +964,7 @@ static u16 ieee80211_monitor_select_queue(struct net_device *dev,
static const struct net_device_ops ieee80211_monitorif_ops = {
.ndo_open = ieee80211_open,
.ndo_stop = ieee80211_stop,
.ndo_uninit = ieee80211_teardown_sdata,
.ndo_uninit = ieee80211_uninit,
.ndo_start_xmit = ieee80211_monitor_start_xmit,
.ndo_set_rx_mode = ieee80211_set_multicast_list,
.ndo_change_mtu = ieee80211_change_mtu,
@ -1099,7 +1123,6 @@ static void ieee80211_setup_sdata(struct ieee80211_sub_if_data *sdata,
/* and set some type-dependent values */
sdata->vif.type = type;
sdata->vif.p2p = false;
sdata->dev->netdev_ops = &ieee80211_dataif_ops;
sdata->wdev.iftype = type;
sdata->control_port_protocol = cpu_to_be16(ETH_P_PAE);
@ -1107,8 +1130,11 @@ static void ieee80211_setup_sdata(struct ieee80211_sub_if_data *sdata,
sdata->noack_map = 0;
/* only monitor differs */
sdata->dev->type = ARPHRD_ETHER;
/* only monitor/p2p-device differ */
if (sdata->dev) {
sdata->dev->netdev_ops = &ieee80211_dataif_ops;
sdata->dev->type = ARPHRD_ETHER;
}
skb_queue_head_init(&sdata->skb_queue);
INIT_WORK(&sdata->work, ieee80211_iface_work);
@ -1146,6 +1172,7 @@ static void ieee80211_setup_sdata(struct ieee80211_sub_if_data *sdata,
break;
case NL80211_IFTYPE_WDS:
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_P2P_DEVICE:
break;
case NL80211_IFTYPE_UNSPECIFIED:
case NUM_NL80211_IFTYPES:
@ -1156,18 +1183,6 @@ static void ieee80211_setup_sdata(struct ieee80211_sub_if_data *sdata,
ieee80211_debugfs_add_netdev(sdata);
}
static void ieee80211_clean_sdata(struct ieee80211_sub_if_data *sdata)
{
switch (sdata->vif.type) {
case NL80211_IFTYPE_MESH_POINT:
mesh_path_flush_by_iface(sdata);
break;
default:
break;
}
}
static int ieee80211_runtime_change_iftype(struct ieee80211_sub_if_data *sdata,
enum nl80211_iftype type)
{
@ -1225,7 +1240,7 @@ static int ieee80211_runtime_change_iftype(struct ieee80211_sub_if_data *sdata,
ieee80211_do_stop(sdata, false);
ieee80211_teardown_sdata(sdata->dev);
ieee80211_teardown_sdata(sdata);
ret = drv_change_interface(local, sdata, internal_type, p2p);
if (ret)
@ -1240,7 +1255,7 @@ static int ieee80211_runtime_change_iftype(struct ieee80211_sub_if_data *sdata,
ieee80211_setup_sdata(sdata, type);
err = ieee80211_do_open(sdata->dev, false);
err = ieee80211_do_open(&sdata->wdev, false);
WARN(err, "type change: do_open returned %d", err);
return ret;
@ -1267,14 +1282,14 @@ int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata,
return ret;
} else {
/* Purge and reset type-dependent state. */
ieee80211_teardown_sdata(sdata->dev);
ieee80211_teardown_sdata(sdata);
ieee80211_setup_sdata(sdata, type);
}
/* reset some values that shouldn't be kept across type changes */
sdata->vif.bss_conf.basic_rates =
ieee80211_mandatory_rates(sdata->local,
sdata->local->hw.conf.channel->band);
sdata->local->oper_channel->band);
sdata->drop_unencrypted = 0;
if (type == NL80211_IFTYPE_STATION)
sdata->u.mgd.use_4addr = false;
@ -1283,8 +1298,7 @@ int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata,
}
static void ieee80211_assign_perm_addr(struct ieee80211_local *local,
struct net_device *dev,
enum nl80211_iftype type)
u8 *perm_addr, enum nl80211_iftype type)
{
struct ieee80211_sub_if_data *sdata;
u64 mask, start, addr, val, inc;
@ -1293,13 +1307,12 @@ static void ieee80211_assign_perm_addr(struct ieee80211_local *local,
int i;
/* default ... something at least */
memcpy(dev->perm_addr, local->hw.wiphy->perm_addr, ETH_ALEN);
memcpy(perm_addr, local->hw.wiphy->perm_addr, ETH_ALEN);
if (is_zero_ether_addr(local->hw.wiphy->addr_mask) &&
local->hw.wiphy->n_addresses <= 1)
return;
mutex_lock(&local->iflist_mtx);
switch (type) {
@ -1312,11 +1325,24 @@ static void ieee80211_assign_perm_addr(struct ieee80211_local *local,
list_for_each_entry(sdata, &local->interfaces, list) {
if (sdata->vif.type != NL80211_IFTYPE_AP)
continue;
memcpy(dev->perm_addr, sdata->vif.addr, ETH_ALEN);
memcpy(perm_addr, sdata->vif.addr, ETH_ALEN);
break;
}
/* keep default if no AP interface present */
break;
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_P2P_GO:
if (local->hw.flags & IEEE80211_HW_P2P_DEV_ADDR_FOR_INTF) {
list_for_each_entry(sdata, &local->interfaces, list) {
if (sdata->vif.type != NL80211_IFTYPE_P2P_DEVICE)
continue;
if (!ieee80211_sdata_running(sdata))
continue;
memcpy(perm_addr, sdata->vif.addr, ETH_ALEN);
goto out_unlock;
}
}
/* otherwise fall through */
default:
/* assign a new address if possible -- try n_addresses first */
for (i = 0; i < local->hw.wiphy->n_addresses; i++) {
@ -1331,7 +1357,7 @@ static void ieee80211_assign_perm_addr(struct ieee80211_local *local,
}
if (!used) {
memcpy(dev->perm_addr,
memcpy(perm_addr,
local->hw.wiphy->addresses[i].addr,
ETH_ALEN);
break;
@ -1382,7 +1408,7 @@ static void ieee80211_assign_perm_addr(struct ieee80211_local *local,
}
if (!used) {
memcpy(dev->perm_addr, tmp_addr, ETH_ALEN);
memcpy(perm_addr, tmp_addr, ETH_ALEN);
break;
}
addr = (start & ~mask) | (val & mask);
@ -1391,6 +1417,7 @@ static void ieee80211_assign_perm_addr(struct ieee80211_local *local,
break;
}
out_unlock:
mutex_unlock(&local->iflist_mtx);
}
@ -1398,49 +1425,68 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
struct wireless_dev **new_wdev, enum nl80211_iftype type,
struct vif_params *params)
{
struct net_device *ndev;
struct net_device *ndev = NULL;
struct ieee80211_sub_if_data *sdata = NULL;
int ret, i;
int txqs = 1;
ASSERT_RTNL();
if (local->hw.queues >= IEEE80211_NUM_ACS)
txqs = IEEE80211_NUM_ACS;
if (type == NL80211_IFTYPE_P2P_DEVICE) {
struct wireless_dev *wdev;
ndev = alloc_netdev_mqs(sizeof(*sdata) + local->hw.vif_data_size,
name, ieee80211_if_setup, txqs, 1);
if (!ndev)
return -ENOMEM;
dev_net_set(ndev, wiphy_net(local->hw.wiphy));
sdata = kzalloc(sizeof(*sdata) + local->hw.vif_data_size,
GFP_KERNEL);
if (!sdata)
return -ENOMEM;
wdev = &sdata->wdev;
ndev->needed_headroom = local->tx_headroom +
4*6 /* four MAC addresses */
+ 2 + 2 + 2 + 2 /* ctl, dur, seq, qos */
+ 6 /* mesh */
+ 8 /* rfc1042/bridge tunnel */
- ETH_HLEN /* ethernet hard_header_len */
+ IEEE80211_ENCRYPT_HEADROOM;
ndev->needed_tailroom = IEEE80211_ENCRYPT_TAILROOM;
sdata->dev = NULL;
strlcpy(sdata->name, name, IFNAMSIZ);
ieee80211_assign_perm_addr(local, wdev->address, type);
memcpy(sdata->vif.addr, wdev->address, ETH_ALEN);
} else {
if (local->hw.queues >= IEEE80211_NUM_ACS)
txqs = IEEE80211_NUM_ACS;
ret = dev_alloc_name(ndev, ndev->name);
if (ret < 0)
goto fail;
ndev = alloc_netdev_mqs(sizeof(*sdata) +
local->hw.vif_data_size,
name, ieee80211_if_setup, txqs, 1);
if (!ndev)
return -ENOMEM;
dev_net_set(ndev, wiphy_net(local->hw.wiphy));
ieee80211_assign_perm_addr(local, ndev, type);
memcpy(ndev->dev_addr, ndev->perm_addr, ETH_ALEN);
SET_NETDEV_DEV(ndev, wiphy_dev(local->hw.wiphy));
ndev->needed_headroom = local->tx_headroom +
4*6 /* four MAC addresses */
+ 2 + 2 + 2 + 2 /* ctl, dur, seq, qos */
+ 6 /* mesh */
+ 8 /* rfc1042/bridge tunnel */
- ETH_HLEN /* ethernet hard_header_len */
+ IEEE80211_ENCRYPT_HEADROOM;
ndev->needed_tailroom = IEEE80211_ENCRYPT_TAILROOM;
/* don't use IEEE80211_DEV_TO_SUB_IF because it checks too much */
sdata = netdev_priv(ndev);
ndev->ieee80211_ptr = &sdata->wdev;
memcpy(sdata->vif.addr, ndev->dev_addr, ETH_ALEN);
memcpy(sdata->name, ndev->name, IFNAMSIZ);
ret = dev_alloc_name(ndev, ndev->name);
if (ret < 0) {
free_netdev(ndev);
return ret;
}
ieee80211_assign_perm_addr(local, ndev->perm_addr, type);
memcpy(ndev->dev_addr, ndev->perm_addr, ETH_ALEN);
SET_NETDEV_DEV(ndev, wiphy_dev(local->hw.wiphy));
/* don't use IEEE80211_DEV_TO_SUB_IF -- it checks too much */
sdata = netdev_priv(ndev);
ndev->ieee80211_ptr = &sdata->wdev;
memcpy(sdata->vif.addr, ndev->dev_addr, ETH_ALEN);
memcpy(sdata->name, ndev->name, IFNAMSIZ);
sdata->dev = ndev;
}
/* initialise type-independent data */
sdata->wdev.wiphy = local->hw.wiphy;
sdata->local = local;
sdata->dev = ndev;
#ifdef CONFIG_INET
sdata->arp_filter_state = true;
#endif
@ -1469,18 +1515,22 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
/* setup type-dependent data */
ieee80211_setup_sdata(sdata, type);
if (params) {
ndev->ieee80211_ptr->use_4addr = params->use_4addr;
if (type == NL80211_IFTYPE_STATION)
sdata->u.mgd.use_4addr = params->use_4addr;
if (ndev) {
if (params) {
ndev->ieee80211_ptr->use_4addr = params->use_4addr;
if (type == NL80211_IFTYPE_STATION)
sdata->u.mgd.use_4addr = params->use_4addr;
}
ndev->features |= local->hw.netdev_features;
ret = register_netdevice(ndev);
if (ret) {
free_netdev(ndev);
return ret;
}
}
ndev->features |= local->hw.netdev_features;
ret = register_netdevice(ndev);
if (ret)
goto fail;
mutex_lock(&local->iflist_mtx);
list_add_tail_rcu(&sdata->list, &local->interfaces);
mutex_unlock(&local->iflist_mtx);
@ -1489,10 +1539,6 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
*new_wdev = &sdata->wdev;
return 0;
fail:
free_netdev(ndev);
return ret;
}
void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata)
@ -1503,11 +1549,22 @@ void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata)
list_del_rcu(&sdata->list);
mutex_unlock(&sdata->local->iflist_mtx);
/* clean up type-dependent data */
ieee80211_clean_sdata(sdata);
synchronize_rcu();
unregister_netdevice(sdata->dev);
if (sdata->dev) {
unregister_netdevice(sdata->dev);
} else {
cfg80211_unregister_wdev(&sdata->wdev);
kfree(sdata);
}
}
void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata)
{
if (WARN_ON_ONCE(!test_bit(SDATA_STATE_RUNNING, &sdata->state)))
return;
ieee80211_do_stop(sdata, true);
ieee80211_teardown_sdata(sdata);
}
/*
@ -1518,6 +1575,7 @@ void ieee80211_remove_interfaces(struct ieee80211_local *local)
{
struct ieee80211_sub_if_data *sdata, *tmp;
LIST_HEAD(unreg_list);
LIST_HEAD(wdev_list);
ASSERT_RTNL();
@ -1525,13 +1583,20 @@ void ieee80211_remove_interfaces(struct ieee80211_local *local)
list_for_each_entry_safe(sdata, tmp, &local->interfaces, list) {
list_del(&sdata->list);
ieee80211_clean_sdata(sdata);
unregister_netdevice_queue(sdata->dev, &unreg_list);
if (sdata->dev)
unregister_netdevice_queue(sdata->dev, &unreg_list);
else
list_add(&sdata->list, &wdev_list);
}
mutex_unlock(&local->iflist_mtx);
unregister_netdevice_many(&unreg_list);
list_del(&unreg_list);
list_for_each_entry_safe(sdata, tmp, &wdev_list, list) {
list_del(&sdata->list);
cfg80211_unregister_wdev(&sdata->wdev);
kfree(sdata);
}
}
static int netdev_notify(struct notifier_block *nb,

21
net/mac80211/main.c
View File

@ -207,6 +207,10 @@ void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
sdata->vif.bss_conf.bssid = NULL;
else if (ieee80211_vif_is_mesh(&sdata->vif)) {
sdata->vif.bss_conf.bssid = zero;
} else if (sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE) {
sdata->vif.bss_conf.bssid = sdata->vif.addr;
WARN_ONCE(changed & ~(BSS_CHANGED_IDLE),
"P2P Device BSS changed %#x", changed);
} else {
WARN_ON(1);
return;
@ -514,6 +518,11 @@ ieee80211_default_mgmt_stypes[NUM_NL80211_IFTYPES] = {
BIT(IEEE80211_STYPE_AUTH >> 4) |
BIT(IEEE80211_STYPE_DEAUTH >> 4),
},
[NL80211_IFTYPE_P2P_DEVICE] = {
.tx = 0xffff,
.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
},
};
static const struct ieee80211_ht_cap mac80211_ht_capa_mod_mask = {
@ -536,6 +545,11 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
int priv_size, i;
struct wiphy *wiphy;
if (WARN_ON(!ops->tx || !ops->start || !ops->stop || !ops->config ||
!ops->add_interface || !ops->remove_interface ||
!ops->configure_filter))
return NULL;
if (WARN_ON(ops->sta_state && (ops->sta_add || ops->sta_remove)))
return NULL;
@ -588,13 +602,6 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
local->hw.priv = (char *)local + ALIGN(sizeof(*local), NETDEV_ALIGN);
BUG_ON(!ops->tx);
BUG_ON(!ops->start);
BUG_ON(!ops->stop);
BUG_ON(!ops->config);
BUG_ON(!ops->add_interface);
BUG_ON(!ops->remove_interface);
BUG_ON(!ops->configure_filter);
local->ops = ops;
/* set up some defaults */

28
net/mac80211/mesh.c
View File

@ -109,11 +109,11 @@ bool mesh_matches_local(struct ieee80211_sub_if_data *sdata,
/* Disallow HT40+/- mismatch */
if (ie->ht_operation &&
(local->_oper_channel_type == NL80211_CHAN_HT40MINUS ||
local->_oper_channel_type == NL80211_CHAN_HT40PLUS) &&
(sdata->vif.bss_conf.channel_type == NL80211_CHAN_HT40MINUS ||
sdata->vif.bss_conf.channel_type == NL80211_CHAN_HT40PLUS) &&
(sta_channel_type == NL80211_CHAN_HT40MINUS ||
sta_channel_type == NL80211_CHAN_HT40PLUS) &&
local->_oper_channel_type != sta_channel_type)
sdata->vif.bss_conf.channel_type != sta_channel_type)
goto mismatch;
return true;
@ -355,17 +355,18 @@ int mesh_add_ds_params_ie(struct sk_buff *skb,
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_supported_band *sband;
struct ieee80211_channel *chan = local->oper_channel;
u8 *pos;
if (skb_tailroom(skb) < 3)
return -ENOMEM;
sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
sband = local->hw.wiphy->bands[chan->band];
if (sband->band == IEEE80211_BAND_2GHZ) {
pos = skb_put(skb, 2 + 1);
*pos++ = WLAN_EID_DS_PARAMS;
*pos++ = 1;
*pos++ = ieee80211_frequency_to_channel(local->hw.conf.channel->center_freq);
*pos++ = ieee80211_frequency_to_channel(chan->center_freq);
}
return 0;
@ -380,7 +381,7 @@ int mesh_add_ht_cap_ie(struct sk_buff *skb,
sband = local->hw.wiphy->bands[local->oper_channel->band];
if (!sband->ht_cap.ht_supported ||
local->_oper_channel_type == NL80211_CHAN_NO_HT)
sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT)
return 0;
if (skb_tailroom(skb) < 2 + sizeof(struct ieee80211_ht_cap))
@ -397,7 +398,8 @@ int mesh_add_ht_oper_ie(struct sk_buff *skb,
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_channel *channel = local->oper_channel;
enum nl80211_channel_type channel_type = local->_oper_channel_type;
enum nl80211_channel_type channel_type =
sdata->vif.bss_conf.channel_type;
struct ieee80211_supported_band *sband =
local->hw.wiphy->bands[channel->band];
struct ieee80211_sta_ht_cap *ht_cap = &sband->ht_cap;
@ -608,12 +610,14 @@ void ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata)
sdata->vif.bss_conf.beacon_int = MESH_DEFAULT_BEACON_INTERVAL;
sdata->vif.bss_conf.basic_rates =
ieee80211_mandatory_rates(sdata->local,
sdata->local->hw.conf.channel->band);
sdata->local->oper_channel->band);
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON |
BSS_CHANGED_BEACON_ENABLED |
BSS_CHANGED_HT |
BSS_CHANGED_BASIC_RATES |
BSS_CHANGED_BEACON_INT);
netif_carrier_on(sdata->dev);
}
void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata)
@ -621,9 +625,15 @@ void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata)
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
netif_carrier_off(sdata->dev);
/* stop the beacon */
ifmsh->mesh_id_len = 0;
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
sta_info_flush(local, NULL);
/* flush STAs and mpaths on this iface */
sta_info_flush(sdata->local, sdata);
mesh_path_flush_by_iface(sdata);
del_timer_sync(&sdata->u.mesh.housekeeping_timer);
del_timer_sync(&sdata->u.mesh.mesh_path_root_timer);

3
net/mac80211/mesh.h
View File

@ -215,6 +215,9 @@ struct mesh_rmc {
/* Maximum number of paths per interface */
#define MESH_MAX_MPATHS 1024
/* Number of frames buffered per destination for unresolved destinations */
#define MESH_FRAME_QUEUE_LEN 10
/* Public interfaces */
/* Various */
int ieee80211_fill_mesh_addresses(struct ieee80211_hdr *hdr, __le16 *fc,

2
net/mac80211/mesh_hwmp.c
View File

@ -17,8 +17,6 @@
#define MAX_METRIC 0xffffffff
#define ARITH_SHIFT 8
/* Number of frames buffered per destination for unresolved destinations */
#define MESH_FRAME_QUEUE_LEN 10
#define MAX_PREQ_QUEUE_LEN 64
/* Destination only */

44
net/mac80211/mesh_pathtbl.c
View File

@ -203,23 +203,17 @@ void mesh_path_assign_nexthop(struct mesh_path *mpath, struct sta_info *sta)
{
struct sk_buff *skb;
struct ieee80211_hdr *hdr;
struct sk_buff_head tmpq;
unsigned long flags;
rcu_assign_pointer(mpath->next_hop, sta);
__skb_queue_head_init(&tmpq);
spin_lock_irqsave(&mpath->frame_queue.lock, flags);
while ((skb = __skb_dequeue(&mpath->frame_queue)) != NULL) {
skb_queue_walk(&mpath->frame_queue, skb) {
hdr = (struct ieee80211_hdr *) skb->data;
memcpy(hdr->addr1, sta->sta.addr, ETH_ALEN);
memcpy(hdr->addr2, mpath->sdata->vif.addr, ETH_ALEN);
__skb_queue_tail(&tmpq, skb);
}
skb_queue_splice(&tmpq, &mpath->frame_queue);
spin_unlock_irqrestore(&mpath->frame_queue.lock, flags);
}
@ -285,40 +279,42 @@ static void mesh_path_move_to_queue(struct mesh_path *gate_mpath,
struct mesh_path *from_mpath,
bool copy)
{
struct sk_buff *skb, *cp_skb = NULL;
struct sk_buff_head gateq, failq;
struct sk_buff *skb, *fskb, *tmp;
struct sk_buff_head failq;
unsigned long flags;
int num_skbs;
BUG_ON(gate_mpath == from_mpath);
BUG_ON(!gate_mpath->next_hop);
__skb_queue_head_init(&gateq);
__skb_queue_head_init(&failq);
spin_lock_irqsave(&from_mpath->frame_queue.lock, flags);
skb_queue_splice_init(&from_mpath->frame_queue, &failq);
spin_unlock_irqrestore(&from_mpath->frame_queue.lock, flags);
num_skbs = skb_queue_len(&failq);
while (num_skbs--) {
skb = __skb_dequeue(&failq);
if (copy) {
cp_skb = skb_copy(skb, GFP_ATOMIC);
if (cp_skb)
__skb_queue_tail(&failq, cp_skb);
skb_queue_walk_safe(&failq, fskb, tmp) {
if (skb_queue_len(&gate_mpath->frame_queue) >=
MESH_FRAME_QUEUE_LEN) {
mpath_dbg(gate_mpath->sdata, "mpath queue full!\n");
break;
}
skb = skb_copy(fskb, GFP_ATOMIC);
if (WARN_ON(!skb))
break;
prepare_for_gate(skb, gate_mpath->dst, gate_mpath);
__skb_queue_tail(&gateq, skb);
skb_queue_tail(&gate_mpath->frame_queue, skb);
if (copy)
continue;
__skb_unlink(fskb, &failq);
kfree_skb(fskb);
}
spin_lock_irqsave(&gate_mpath->frame_queue.lock, flags);
skb_queue_splice(&gateq, &gate_mpath->frame_queue);
mpath_dbg(gate_mpath->sdata, "Mpath queue for gate %pM has %d frames\n",
gate_mpath->dst, skb_queue_len(&gate_mpath->frame_queue));
spin_unlock_irqrestore(&gate_mpath->frame_queue.lock, flags);
if (!copy)
return;
@ -531,7 +527,7 @@ int mesh_path_add(u8 *dst, struct ieee80211_sub_if_data *sdata)
read_lock_bh(&pathtbl_resize_lock);
memcpy(new_mpath->dst, dst, ETH_ALEN);
memset(new_mpath->rann_snd_addr, 0xff, ETH_ALEN);
eth_broadcast_addr(new_mpath->rann_snd_addr);
new_mpath->is_root = false;
new_mpath->sdata = sdata;
new_mpath->flags = 0;

38
net/mac80211/mesh_plink.c
View File

@ -117,7 +117,7 @@ static u32 mesh_set_ht_prot_mode(struct ieee80211_sub_if_data *sdata)
u16 ht_opmode;
bool non_ht_sta = false, ht20_sta = false;
if (local->_oper_channel_type == NL80211_CHAN_NO_HT)
if (sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT)
return 0;
rcu_read_lock();
@ -147,7 +147,8 @@ out:
if (non_ht_sta)
ht_opmode = IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED;
else if (ht20_sta && local->_oper_channel_type > NL80211_CHAN_HT20)
else if (ht20_sta &&
sdata->vif.bss_conf.channel_type > NL80211_CHAN_HT20)
ht_opmode = IEEE80211_HT_OP_MODE_PROTECTION_20MHZ;
else
ht_opmode = IEEE80211_HT_OP_MODE_PROTECTION_NONE;
@ -215,12 +216,14 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
u8 *da, __le16 llid, __le16 plid, __le16 reason) {
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
struct ieee80211_tx_info *info;
struct ieee80211_mgmt *mgmt;
bool include_plid = false;
u16 peering_proto = 0;
u8 *pos, ie_len = 4;
int hdr_len = offsetof(struct ieee80211_mgmt, u.action.u.self_prot) +
sizeof(mgmt->u.action.u.self_prot);
int err = -ENOMEM;
skb = dev_alloc_skb(local->tx_headroom +
hdr_len +
@ -236,6 +239,7 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
sdata->u.mesh.ie_len);
if (!skb)
return -1;
info = IEEE80211_SKB_CB(skb);
skb_reserve(skb, local->tx_headroom);
mgmt = (struct ieee80211_mgmt *) skb_put(skb, hdr_len);
memset(mgmt, 0, hdr_len);
@ -256,15 +260,18 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
pos = skb_put(skb, 2);
memcpy(pos + 2, &plid, 2);
}
if (ieee80211_add_srates_ie(sdata, skb, true) ||
ieee80211_add_ext_srates_ie(sdata, skb, true) ||
if (ieee80211_add_srates_ie(sdata, skb, true,
local->oper_channel->band) ||
ieee80211_add_ext_srates_ie(sdata, skb, true,
local->oper_channel->band) ||
mesh_add_rsn_ie(skb, sdata) ||
mesh_add_meshid_ie(skb, sdata) ||
mesh_add_meshconf_ie(skb, sdata))
return -1;
goto free;
} else { /* WLAN_SP_MESH_PEERING_CLOSE */
info->flags |= IEEE80211_TX_CTL_NO_ACK;
if (mesh_add_meshid_ie(skb, sdata))
return -1;
goto free;
}
/* Add Mesh Peering Management element */
@ -283,11 +290,12 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
ie_len += 2; /* reason code */
break;
default:
return -EINVAL;
err = -EINVAL;
goto free;
}
if (WARN_ON(skb_tailroom(skb) < 2 + ie_len))
return -ENOMEM;
goto free;
pos = skb_put(skb, 2 + ie_len);
*pos++ = WLAN_EID_PEER_MGMT;
@ -308,14 +316,17 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
if (action != WLAN_SP_MESH_PEERING_CLOSE) {
if (mesh_add_ht_cap_ie(skb, sdata) ||
mesh_add_ht_oper_ie(skb, sdata))
return -1;
goto free;
}
if (mesh_add_vendor_ies(skb, sdata))
return -1;
goto free;
ieee80211_tx_skb(sdata, skb);
return 0;
free:
kfree_skb(skb);
return err;
}
/**
@ -360,9 +371,14 @@ static struct sta_info *mesh_peer_init(struct ieee80211_sub_if_data *sdata,
spin_lock_bh(&sta->lock);
sta->last_rx = jiffies;
if (sta->plink_state == NL80211_PLINK_ESTAB) {
spin_unlock_bh(&sta->lock);
return sta;
}
sta->sta.supp_rates[band] = rates;
if (elems->ht_cap_elem &&
sdata->local->_oper_channel_type != NL80211_CHAN_NO_HT)
sdata->vif.bss_conf.channel_type != NL80211_CHAN_NO_HT)
ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
elems->ht_cap_elem,
&sta->sta.ht_cap);

240
net/mac80211/mlme.c
View File

@ -146,6 +146,9 @@ void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata)
if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)
return;
if (sdata->local->hw.flags & IEEE80211_HW_CONNECTION_MONITOR)
return;
mod_timer(&sdata->u.mgd.bcn_mon_timer,
round_jiffies_up(jiffies + sdata->u.mgd.beacon_timeout));
}
@ -182,15 +185,15 @@ static u32 ieee80211_config_ht_tx(struct ieee80211_sub_if_data *sdata,
u16 ht_opmode;
bool disable_40 = false;
sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
sband = local->hw.wiphy->bands[local->oper_channel->band];
switch (sdata->vif.bss_conf.channel_type) {
case NL80211_CHAN_HT40PLUS:
if (local->hw.conf.channel->flags & IEEE80211_CHAN_NO_HT40PLUS)
if (local->oper_channel->flags & IEEE80211_CHAN_NO_HT40PLUS)
disable_40 = true;
break;
case NL80211_CHAN_HT40MINUS:
if (local->hw.conf.channel->flags & IEEE80211_CHAN_NO_HT40MINUS)
if (local->oper_channel->flags & IEEE80211_CHAN_NO_HT40MINUS)
disable_40 = true;
break;
default:
@ -326,6 +329,26 @@ static void ieee80211_add_ht_ie(struct ieee80211_sub_if_data *sdata,
ieee80211_ie_build_ht_cap(pos, &ht_cap, cap);
}
static void ieee80211_add_vht_ie(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb,
struct ieee80211_supported_band *sband)
{
u8 *pos;
u32 cap;
struct ieee80211_sta_vht_cap vht_cap;
BUILD_BUG_ON(sizeof(vht_cap) != sizeof(sband->vht_cap));
memcpy(&vht_cap, &sband->vht_cap, sizeof(vht_cap));
/* determine capability flags */
cap = vht_cap.cap;
/* reserve and fill IE */
pos = skb_put(skb, sizeof(struct ieee80211_vht_capabilities) + 2);
ieee80211_ie_build_vht_cap(pos, &vht_cap, cap);
}
static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_local *local = sdata->local;
@ -371,6 +394,7 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
4 + /* power capability */
2 + 2 * sband->n_channels + /* supported channels */
2 + sizeof(struct ieee80211_ht_cap) + /* HT */
2 + sizeof(struct ieee80211_vht_capabilities) + /* VHT */
assoc_data->ie_len + /* extra IEs */
9, /* WMM */
GFP_KERNEL);
@ -503,6 +527,9 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
ieee80211_add_ht_ie(sdata, skb, assoc_data->ap_ht_param,
sband, local->oper_channel, ifmgd->ap_smps);
if (!(ifmgd->flags & IEEE80211_STA_DISABLE_VHT))
ieee80211_add_vht_ie(sdata, skb, sband);
/* if present, add any custom non-vendor IEs that go after HT */
if (assoc_data->ie_len && assoc_data->ie) {
noffset = ieee80211_ie_split_vendor(assoc_data->ie,
@ -583,8 +610,6 @@ static void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,
IEEE80211_SKB_CB(skb)->flags |=
IEEE80211_TX_INTFL_DONT_ENCRYPT;
drv_mgd_prepare_tx(local, sdata);
ieee80211_tx_skb(sdata, skb);
}
}
@ -687,6 +712,7 @@ static void ieee80211_chswitch_work(struct work_struct *work)
/* XXX: shouldn't really modify cfg80211-owned data! */
ifmgd->associated->channel = sdata->local->oper_channel;
/* XXX: wait for a beacon first? */
ieee80211_wake_queues_by_reason(&sdata->local->hw,
IEEE80211_QUEUE_STOP_REASON_CSA);
out:
@ -763,36 +789,32 @@ void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
sdata->local->csa_channel = new_ch;
ifmgd->flags |= IEEE80211_STA_CSA_RECEIVED;
if (sw_elem->mode)
ieee80211_stop_queues_by_reason(&sdata->local->hw,
IEEE80211_QUEUE_STOP_REASON_CSA);
if (sdata->local->ops->channel_switch) {
/* use driver's channel switch callback */
struct ieee80211_channel_switch ch_switch;
memset(&ch_switch, 0, sizeof(ch_switch));
ch_switch.timestamp = timestamp;
if (sw_elem->mode) {
ch_switch.block_tx = true;
ieee80211_stop_queues_by_reason(&sdata->local->hw,
IEEE80211_QUEUE_STOP_REASON_CSA);
}
ch_switch.channel = new_ch;
ch_switch.count = sw_elem->count;
ifmgd->flags |= IEEE80211_STA_CSA_RECEIVED;
struct ieee80211_channel_switch ch_switch = {
.timestamp = timestamp,
.block_tx = sw_elem->mode,
.channel = new_ch,
.count = sw_elem->count,
};
drv_channel_switch(sdata->local, &ch_switch);
return;
}
/* channel switch handled in software */
if (sw_elem->count <= 1) {
if (sw_elem->count <= 1)
ieee80211_queue_work(&sdata->local->hw, &ifmgd->chswitch_work);
} else {
if (sw_elem->mode)
ieee80211_stop_queues_by_reason(&sdata->local->hw,
IEEE80211_QUEUE_STOP_REASON_CSA);
ifmgd->flags |= IEEE80211_STA_CSA_RECEIVED;
else
mod_timer(&ifmgd->chswitch_timer,
jiffies +
msecs_to_jiffies(sw_elem->count *
cbss->beacon_interval));
}
TU_TO_EXP_TIME(sw_elem->count *
cbss->beacon_interval));
}
static void ieee80211_handle_pwr_constr(struct ieee80211_sub_if_data *sdata,
@ -1007,6 +1029,16 @@ void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency)
ieee80211_change_ps(local);
}
void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data *sdata)
{
bool ps_allowed = ieee80211_powersave_allowed(sdata);
if (sdata->vif.bss_conf.ps != ps_allowed) {
sdata->vif.bss_conf.ps = ps_allowed;
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_PS);
}
}
void ieee80211_dynamic_ps_disable_work(struct work_struct *work)
{
struct ieee80211_local *local =
@ -1239,7 +1271,7 @@ static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata,
}
use_short_slot = !!(capab & WLAN_CAPABILITY_SHORT_SLOT_TIME);
if (sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ)
if (sdata->local->oper_channel->band == IEEE80211_BAND_5GHZ)
use_short_slot = true;
if (use_protection != bss_conf->use_cts_prot) {
@ -1310,6 +1342,8 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
ieee80211_recalc_smps(local);
mutex_unlock(&local->iflist_mtx);
ieee80211_recalc_ps_vif(sdata);
netif_tx_start_all_queues(sdata->dev);
netif_carrier_on(sdata->dev);
}
@ -1371,6 +1405,9 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
}
local->ps_sdata = NULL;
/* disable per-vif ps */
ieee80211_recalc_ps_vif(sdata);
/* flush out any pending frame (e.g. DELBA) before deauth/disassoc */
if (tx)
drv_flush(local, false);
@ -1540,7 +1577,8 @@ static void ieee80211_mgd_probe_ap_send(struct ieee80211_sub_if_data *sdata)
ssid_len = ssid[1];
ieee80211_send_probe_req(sdata, dst, ssid + 2, ssid_len, NULL,
0, (u32) -1, true, false);
0, (u32) -1, true, false,
ifmgd->associated->channel);
}
ifmgd->probe_timeout = jiffies + msecs_to_jiffies(probe_wait_ms);
@ -1643,7 +1681,9 @@ struct sk_buff *ieee80211_ap_probereq_get(struct ieee80211_hw *hw,
ssid_len = ssid[1];
skb = ieee80211_build_probe_req(sdata, cbss->bssid,
(u32) -1, ssid + 2, ssid_len,
(u32) -1,
sdata->local->oper_channel,
ssid + 2, ssid_len,
NULL, 0, true);
return skb;
@ -1654,7 +1694,6 @@ static void __ieee80211_connection_loss(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_local *local = sdata->local;
u8 bssid[ETH_ALEN];
u8 frame_buf[DEAUTH_DISASSOC_LEN];
mutex_lock(&ifmgd->mtx);
@ -1663,9 +1702,8 @@ static void __ieee80211_connection_loss(struct ieee80211_sub_if_data *sdata)
return;
}
memcpy(bssid, ifmgd->associated->bssid, ETH_ALEN);
sdata_info(sdata, "Connection to AP %pM lost\n", bssid);
sdata_info(sdata, "Connection to AP %pM lost\n",
ifmgd->associated->bssid);
ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH,
WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY,
@ -1683,7 +1721,7 @@ static void __ieee80211_connection_loss(struct ieee80211_sub_if_data *sdata)
mutex_unlock(&local->mtx);
}
void ieee80211_beacon_connection_loss_work(struct work_struct *work)
static void ieee80211_beacon_connection_loss_work(struct work_struct *work)
{
struct ieee80211_sub_if_data *sdata =
container_of(work, struct ieee80211_sub_if_data,
@ -2230,14 +2268,10 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
mutex_unlock(&local->iflist_mtx);
}
if (elems->ch_switch_elem && (elems->ch_switch_elem_len == 3) &&
(memcmp(mgmt->bssid, sdata->u.mgd.associated->bssid,
ETH_ALEN) == 0)) {
struct ieee80211_channel_sw_ie *sw_elem =
(struct ieee80211_channel_sw_ie *)elems->ch_switch_elem;
ieee80211_sta_process_chanswitch(sdata, sw_elem,
if (elems->ch_switch_ie &&
memcmp(mgmt->bssid, sdata->u.mgd.associated->bssid, ETH_ALEN) == 0)
ieee80211_sta_process_chanswitch(sdata, elems->ch_switch_ie,
bss, rx_status->mactime);
}
}
@ -2324,7 +2358,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
if (baselen > len)
return;
if (rx_status->freq != local->hw.conf.channel->center_freq)
if (rx_status->freq != local->oper_channel->center_freq)
return;
if (ifmgd->assoc_data && !ifmgd->assoc_data->have_beacon &&
@ -2488,7 +2522,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
!(ifmgd->flags & IEEE80211_STA_DISABLE_11N)) {
struct ieee80211_supported_band *sband;
sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
sband = local->hw.wiphy->bands[local->oper_channel->band];
changed |= ieee80211_config_ht_tx(sdata, elems.ht_operation,
bssid, true);
@ -2671,7 +2705,8 @@ static int ieee80211_probe_auth(struct ieee80211_sub_if_data *sdata)
* will not answer to direct packet in unassociated state.
*/
ieee80211_send_probe_req(sdata, NULL, ssidie + 2, ssidie[1],
NULL, 0, (u32) -1, true, false);
NULL, 0, (u32) -1, true, false,
auth_data->bss->channel);
}
auth_data->timeout = jiffies + IEEE80211_AUTH_TIMEOUT;
@ -2998,41 +3033,17 @@ int ieee80211_max_network_latency(struct notifier_block *nb,
return 0;
}
static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
struct cfg80211_bss *cbss, bool assoc)
static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata,
struct cfg80211_bss *cbss)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_bss *bss = (void *)cbss->priv;
struct sta_info *sta = NULL;
bool have_sta = false;
int err;
int ht_cfreq;
enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
const u8 *ht_oper_ie;
const struct ieee80211_ht_operation *ht_oper = NULL;
struct ieee80211_supported_band *sband;
if (WARN_ON(!ifmgd->auth_data && !ifmgd->assoc_data))
return -EINVAL;
if (assoc) {
rcu_read_lock();
have_sta = sta_info_get(sdata, cbss->bssid);
rcu_read_unlock();
}
if (!have_sta) {
sta = sta_info_alloc(sdata, cbss->bssid, GFP_KERNEL);
if (!sta)
return -ENOMEM;
}
mutex_lock(&local->mtx);
ieee80211_recalc_idle(sdata->local);
mutex_unlock(&local->mtx);
/* switch to the right channel */
sband = local->hw.wiphy->bands[cbss->channel->band];
ifmgd->flags &= ~IEEE80211_STA_DISABLE_40MHZ;
@ -3095,10 +3106,51 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
local->oper_channel = cbss->channel;
ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
if (sta) {
return 0;
}
static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
struct cfg80211_bss *cbss, bool assoc)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_bss *bss = (void *)cbss->priv;
struct sta_info *new_sta = NULL;
bool have_sta = false;
int err;
if (WARN_ON(!ifmgd->auth_data && !ifmgd->assoc_data))
return -EINVAL;
if (assoc) {
rcu_read_lock();
have_sta = sta_info_get(sdata, cbss->bssid);
rcu_read_unlock();
}
if (!have_sta) {
new_sta = sta_info_alloc(sdata, cbss->bssid, GFP_KERNEL);
if (!new_sta)
return -ENOMEM;
}
mutex_lock(&local->mtx);
ieee80211_recalc_idle(sdata->local);
mutex_unlock(&local->mtx);
if (new_sta) {
u32 rates = 0, basic_rates = 0;
bool have_higher_than_11mbit;
int min_rate = INT_MAX, min_rate_index = -1;
struct ieee80211_supported_band *sband;
sband = local->hw.wiphy->bands[cbss->channel->band];
err = ieee80211_prep_channel(sdata, cbss);
if (err) {
sta_info_free(local, new_sta);
return err;
}
ieee80211_get_rates(sband, bss->supp_rates,
bss->supp_rates_len,
@ -3120,7 +3172,7 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
basic_rates = BIT(min_rate_index);
}
sta->sta.supp_rates[cbss->channel->band] = rates;
new_sta->sta.supp_rates[cbss->channel->band] = rates;
sdata->vif.bss_conf.basic_rates = basic_rates;
/* cf. IEEE 802.11 9.2.12 */
@ -3143,10 +3195,10 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
BSS_CHANGED_BEACON_INT);
if (assoc)
sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
sta_info_pre_move_state(new_sta, IEEE80211_STA_AUTH);
err = sta_info_insert(sta);
sta = NULL;
err = sta_info_insert(new_sta);
new_sta = NULL;
if (err) {
sdata_info(sdata,
"failed to insert STA entry for the AP (error %d)\n",
@ -3298,9 +3350,13 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
}
/* prepare assoc data */
ifmgd->flags &= ~IEEE80211_STA_DISABLE_11N;
ifmgd->flags &= ~IEEE80211_STA_NULLFUNC_ACKED;
/*
* keep only the 40 MHz disable bit set as it might have
* been set during authentication already, all other bits
* should be reset for a new connection
*/
ifmgd->flags &= IEEE80211_STA_DISABLE_40MHZ;
ifmgd->beacon_crc_valid = false;
@ -3316,21 +3372,34 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_TKIP ||
req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_WEP104) {
ifmgd->flags |= IEEE80211_STA_DISABLE_11N;
ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
netdev_info(sdata->dev,
"disabling HT due to WEP/TKIP use\n");
"disabling HT/VHT due to WEP/TKIP use\n");
}
}
if (req->flags & ASSOC_REQ_DISABLE_HT)
if (req->flags & ASSOC_REQ_DISABLE_HT) {
ifmgd->flags |= IEEE80211_STA_DISABLE_11N;
ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
}
/* Also disable HT if we don't support it or the AP doesn't use WMM */
sband = local->hw.wiphy->bands[req->bss->channel->band];
if (!sband->ht_cap.ht_supported ||
local->hw.queues < IEEE80211_NUM_ACS || !bss->wmm_used) {
ifmgd->flags |= IEEE80211_STA_DISABLE_11N;
netdev_info(sdata->dev,
"disabling HT as WMM/QoS is not supported\n");
if (!bss->wmm_used)
netdev_info(sdata->dev,
"disabling HT as WMM/QoS is not supported by the AP\n");
}
/* disable VHT if we don't support it or the AP doesn't use WMM */
if (!sband->vht_cap.vht_supported ||
local->hw.queues < IEEE80211_NUM_ACS || !bss->wmm_used) {
ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
if (!bss->wmm_used)
netdev_info(sdata->dev,
"disabling VHT as WMM/QoS is not supported by the AP\n");
}
memcpy(&ifmgd->ht_capa, &req->ht_capa, sizeof(ifmgd->ht_capa));
@ -3465,14 +3534,17 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
req->bssid, req->reason_code);
if (ifmgd->associated &&
ether_addr_equal(ifmgd->associated->bssid, req->bssid))
ether_addr_equal(ifmgd->associated->bssid, req->bssid)) {
ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH,
req->reason_code, true, frame_buf);
else
} else {
drv_mgd_prepare_tx(sdata->local, sdata);
ieee80211_send_deauth_disassoc(sdata, req->bssid,
IEEE80211_STYPE_DEAUTH,
req->reason_code, true,
frame_buf);
}
mutex_unlock(&ifmgd->mtx);
__cfg80211_send_deauth(sdata->dev, frame_buf, DEAUTH_DISASSOC_LEN);

6
net/mac80211/offchannel.c
View File

@ -116,6 +116,9 @@ void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local,
if (!ieee80211_sdata_running(sdata))
continue;
if (sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE)
continue;
if (sdata->vif.type != NL80211_IFTYPE_MONITOR)
set_bit(SDATA_STATE_OFFCHANNEL, &sdata->state);
@ -144,6 +147,9 @@ void ieee80211_offchannel_return(struct ieee80211_local *local,
mutex_lock(&local->iflist_mtx);
list_for_each_entry(sdata, &local->interfaces, list) {
if (sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE)
continue;
if (sdata->vif.type != NL80211_IFTYPE_MONITOR)
clear_bit(SDATA_STATE_OFFCHANNEL, &sdata->state);

2
net/mac80211/rate.h
View File

@ -56,7 +56,7 @@ static inline void rate_control_rate_init(struct sta_info *sta)
if (!ref)
return;
sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
sband = local->hw.wiphy->bands[local->oper_channel->band];
ref->ops->rate_init(ref->priv, sband, ista, priv_sta);
set_sta_flag(sta, WLAN_STA_RATE_CONTROL);

58
net/mac80211/rx.c
View File

@ -60,7 +60,9 @@ static inline int should_drop_frame(struct sk_buff *skb,
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
if (status->flag & (RX_FLAG_FAILED_FCS_CRC | RX_FLAG_FAILED_PLCP_CRC))
if (status->flag & (RX_FLAG_FAILED_FCS_CRC |
RX_FLAG_FAILED_PLCP_CRC |
RX_FLAG_AMPDU_IS_ZEROLEN))
return 1;
if (unlikely(skb->len < 16 + present_fcs_len))
return 1;
@ -91,6 +93,13 @@ ieee80211_rx_radiotap_len(struct ieee80211_local *local,
if (status->flag & RX_FLAG_HT) /* HT info */
len += 3;
if (status->flag & RX_FLAG_AMPDU_DETAILS) {
/* padding */
while (len & 3)
len++;
len += 8;
}
return len;
}
@ -215,6 +224,37 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
pos++;
*pos++ = status->rate_idx;
}
if (status->flag & RX_FLAG_AMPDU_DETAILS) {
u16 flags = 0;
/* ensure 4 byte alignment */
while ((pos - (u8 *)rthdr) & 3)
pos++;
rthdr->it_present |=
cpu_to_le32(1 << IEEE80211_RADIOTAP_AMPDU_STATUS);
put_unaligned_le32(status->ampdu_reference, pos);
pos += 4;
if (status->flag & RX_FLAG_AMPDU_REPORT_ZEROLEN)
flags |= IEEE80211_RADIOTAP_AMPDU_REPORT_ZEROLEN;
if (status->flag & RX_FLAG_AMPDU_IS_ZEROLEN)
flags |= IEEE80211_RADIOTAP_AMPDU_IS_ZEROLEN;
if (status->flag & RX_FLAG_AMPDU_LAST_KNOWN)
flags |= IEEE80211_RADIOTAP_AMPDU_LAST_KNOWN;
if (status->flag & RX_FLAG_AMPDU_IS_LAST)
flags |= IEEE80211_RADIOTAP_AMPDU_IS_LAST;
if (status->flag & RX_FLAG_AMPDU_DELIM_CRC_ERROR)
flags |= IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_ERR;
if (status->flag & RX_FLAG_AMPDU_DELIM_CRC_KNOWN)
flags |= IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_KNOWN;
put_unaligned_le16(flags, pos);
pos += 2;
if (status->flag & RX_FLAG_AMPDU_DELIM_CRC_KNOWN)
*pos++ = status->ampdu_delimiter_crc;
else
*pos++ = 0;
*pos++ = 0;
}
}
/*
@ -2268,7 +2308,7 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
goto queue;
case WLAN_CATEGORY_SPECTRUM_MGMT:
if (local->hw.conf.channel->band != IEEE80211_BAND_5GHZ)
if (status->band != IEEE80211_BAND_5GHZ)
break;
if (sdata->vif.type != NL80211_IFTYPE_STATION)
@ -2772,8 +2812,7 @@ static int prepare_for_handlers(struct ieee80211_rx_data *rx,
if (!bssid) {
if (!ether_addr_equal(sdata->vif.addr, hdr->addr1))
return 0;
} else if (!ieee80211_bssid_match(bssid,
sdata->vif.addr)) {
} else if (!ieee80211_bssid_match(bssid, sdata->vif.addr)) {
/*
* Accept public action frames even when the
* BSSID doesn't match, this is used for P2P
@ -2793,9 +2832,18 @@ static int prepare_for_handlers(struct ieee80211_rx_data *rx,
if (!ether_addr_equal(sdata->u.wds.remote_addr, hdr->addr2))
return 0;
break;
case NL80211_IFTYPE_P2P_DEVICE:
if (!ieee80211_is_public_action(hdr, skb->len) &&
!ieee80211_is_probe_req(hdr->frame_control) &&
!ieee80211_is_probe_resp(hdr->frame_control) &&
!ieee80211_is_beacon(hdr->frame_control))
return 0;
if (!ether_addr_equal(sdata->vif.addr, hdr->addr1))
status->rx_flags &= ~IEEE80211_RX_RA_MATCH;
break;
default:
/* should never get here */
WARN_ON(1);
WARN_ON_ONCE(1);
break;
}

12
net/mac80211/scan.c
View File

@ -416,7 +416,8 @@ static void ieee80211_scan_state_send_probe(struct ieee80211_local *local,
local->scan_req->ssids[i].ssid_len,
local->scan_req->ie, local->scan_req->ie_len,
local->scan_req->rates[band], false,
local->scan_req->no_cck);
local->scan_req->no_cck,
local->hw.conf.channel);
/*
* After sending probe requests, wait for probe responses
@ -479,11 +480,10 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
if (local->ops->hw_scan) {
__set_bit(SCAN_HW_SCANNING, &local->scanning);
} else if ((req->n_channels == 1) &&
(req->channels[0]->center_freq ==
local->hw.conf.channel->center_freq)) {
/* If we are scanning only on the current channel, then
* we do not need to stop normal activities
(req->channels[0] == local->oper_channel)) {
/*
* If we are scanning only on the operating channel
* then we do not need to stop normal activities
*/
unsigned long next_delay;

22
net/mac80211/status.c
View File

@ -519,19 +519,27 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
u64 cookie = (unsigned long)skb;
acked = info->flags & IEEE80211_TX_STAT_ACK;
/*
* TODO: When we have non-netdev frame TX,
* we cannot use skb->dev->ieee80211_ptr
*/
if (ieee80211_is_nullfunc(hdr->frame_control) ||
ieee80211_is_qos_nullfunc(hdr->frame_control))
ieee80211_is_qos_nullfunc(hdr->frame_control)) {
cfg80211_probe_status(skb->dev, hdr->addr1,
cookie, acked, GFP_ATOMIC);
else
} else if (skb->dev) {
cfg80211_mgmt_tx_status(
skb->dev->ieee80211_ptr, cookie, skb->data,
skb->len, acked, GFP_ATOMIC);
} else {
struct ieee80211_sub_if_data *p2p_sdata;
rcu_read_lock();
p2p_sdata = rcu_dereference(local->p2p_sdata);
if (p2p_sdata) {
cfg80211_mgmt_tx_status(
&p2p_sdata->wdev, cookie, skb->data,
skb->len, acked, GFP_ATOMIC);
}
rcu_read_unlock();
}
}
if (unlikely(info->ack_frame_id)) {

11
net/mac80211/trace.h
View File

@ -24,7 +24,7 @@
__string(vif_name, sdata->dev ? sdata->dev->name : "<nodev>")
#define VIF_ASSIGN __entry->vif_type = sdata->vif.type; __entry->sdata = sdata; \
__entry->p2p = sdata->vif.p2p; \
__assign_str(vif_name, sdata->dev ? sdata->dev->name : "<nodev>")
__assign_str(vif_name, sdata->dev ? sdata->dev->name : sdata->name)
#define VIF_PR_FMT " vif:%s(%d%s)"
#define VIF_PR_ARG __get_str(vif_name), __entry->vif_type, __entry->p2p ? "/p2p" : ""
@ -274,9 +274,12 @@ TRACE_EVENT(drv_config,
__entry->dynamic_ps_timeout = local->hw.conf.dynamic_ps_timeout;
__entry->max_sleep_period = local->hw.conf.max_sleep_period;
__entry->listen_interval = local->hw.conf.listen_interval;
__entry->long_frame_max_tx_count = local->hw.conf.long_frame_max_tx_count;
__entry->short_frame_max_tx_count = local->hw.conf.short_frame_max_tx_count;
__entry->center_freq = local->hw.conf.channel->center_freq;
__entry->long_frame_max_tx_count =
local->hw.conf.long_frame_max_tx_count;
__entry->short_frame_max_tx_count =
local->hw.conf.short_frame_max_tx_count;
__entry->center_freq = local->hw.conf.channel ?
local->hw.conf.channel->center_freq : 0;
__entry->channel_type = local->hw.conf.channel_type;
__entry->smps = local->hw.conf.smps_mode;
),

71
net/mac80211/tx.c
View File

@ -55,7 +55,7 @@ static __le16 ieee80211_duration(struct ieee80211_tx_data *tx,
if (WARN_ON_ONCE(info->control.rates[0].idx < 0))
return 0;
sband = local->hw.wiphy->bands[tx->channel->band];
sband = local->hw.wiphy->bands[info->band];
txrate = &sband->bitrates[info->control.rates[0].idx];
erp = txrate->flags & IEEE80211_RATE_ERP_G;
@ -615,7 +615,7 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_tx_data *tx)
memset(&txrc, 0, sizeof(txrc));
sband = tx->local->hw.wiphy->bands[tx->channel->band];
sband = tx->local->hw.wiphy->bands[info->band];
len = min_t(u32, tx->skb->len + FCS_LEN,
tx->local->hw.wiphy->frag_threshold);
@ -626,13 +626,13 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_tx_data *tx)
txrc.bss_conf = &tx->sdata->vif.bss_conf;
txrc.skb = tx->skb;
txrc.reported_rate.idx = -1;
txrc.rate_idx_mask = tx->sdata->rc_rateidx_mask[tx->channel->band];
txrc.rate_idx_mask = tx->sdata->rc_rateidx_mask[info->band];
if (txrc.rate_idx_mask == (1 << sband->n_bitrates) - 1)
txrc.max_rate_idx = -1;
else
txrc.max_rate_idx = fls(txrc.rate_idx_mask) - 1;
memcpy(txrc.rate_idx_mcs_mask,
tx->sdata->rc_rateidx_mcs_mask[tx->channel->band],
tx->sdata->rc_rateidx_mcs_mask[info->band],
sizeof(txrc.rate_idx_mcs_mask));
txrc.bss = (tx->sdata->vif.type == NL80211_IFTYPE_AP ||
tx->sdata->vif.type == NL80211_IFTYPE_MESH_POINT ||
@ -667,7 +667,7 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_tx_data *tx)
"scanning and associated. Target station: "
"%pM on %d GHz band\n",
tx->sdata->name, hdr->addr1,
tx->channel->band ? 5 : 2))
info->band ? 5 : 2))
return TX_DROP;
/*
@ -1131,7 +1131,6 @@ ieee80211_tx_prepare(struct ieee80211_sub_if_data *sdata,
tx->skb = skb;
tx->local = local;
tx->sdata = sdata;
tx->channel = local->hw.conf.channel;
__skb_queue_head_init(&tx->skbs);
/*
@ -1204,6 +1203,7 @@ static bool ieee80211_tx_frags(struct ieee80211_local *local,
struct sk_buff_head *skbs,
bool txpending)
{
struct ieee80211_tx_control control;
struct sk_buff *skb, *tmp;
unsigned long flags;
@ -1240,10 +1240,10 @@ static bool ieee80211_tx_frags(struct ieee80211_local *local,
spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
info->control.vif = vif;
info->control.sta = sta;
control.sta = sta;
__skb_unlink(skb, skbs);
drv_tx(local, skb);
drv_tx(local, &control, skb);
}
return true;
@ -1399,8 +1399,7 @@ static bool ieee80211_tx(struct ieee80211_sub_if_data *sdata,
goto out;
}
tx.channel = local->hw.conf.channel;
info->band = tx.channel->band;
info->band = local->hw.conf.channel->band;
/* set up hw_queue value early */
if (!(info->flags & IEEE80211_TX_CTL_TX_OFFCHAN) ||
@ -1720,7 +1719,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = sdata->local;
struct ieee80211_tx_info *info;
int ret = NETDEV_TX_BUSY, head_need;
int head_need;
u16 ethertype, hdrlen, meshhdrlen = 0;
__le16 fc;
struct ieee80211_hdr hdr;
@ -1736,10 +1735,8 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
u32 info_flags = 0;
u16 info_id = 0;
if (unlikely(skb->len < ETH_HLEN)) {
ret = NETDEV_TX_OK;
if (unlikely(skb->len < ETH_HLEN))
goto fail;
}
/* convert Ethernet header to proper 802.11 header (based on
* operation mode) */
@ -1787,7 +1784,6 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
if (!sdata->u.mesh.mshcfg.dot11MeshTTL) {
/* Do not send frames with mesh_ttl == 0 */
sdata->u.mesh.mshstats.dropped_frames_ttl++;
ret = NETDEV_TX_OK;
goto fail;
}
rcu_read_lock();
@ -1880,10 +1876,8 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
if (tdls_direct) {
/* link during setup - throw out frames to peer */
if (!tdls_auth) {
ret = NETDEV_TX_OK;
if (!tdls_auth)
goto fail;
}
/* DA SA BSSID */
memcpy(hdr.addr1, skb->data, ETH_ALEN);
@ -1917,7 +1911,6 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
hdrlen = 24;
break;
default:
ret = NETDEV_TX_OK;
goto fail;
}
@ -1962,7 +1955,6 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
I802_DEBUG_INC(local->tx_handlers_drop_unauth_port);
ret = NETDEV_TX_OK;
goto fail;
}
@ -2017,10 +2009,8 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
skb = skb_clone(skb, GFP_ATOMIC);
kfree_skb(tmp_skb);
if (!skb) {
ret = NETDEV_TX_OK;
if (!skb)
goto fail;
}
}
hdr.frame_control = fc;
@ -2123,10 +2113,8 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
return NETDEV_TX_OK;
fail:
if (ret == NETDEV_TX_OK)
dev_kfree_skb(skb);
return ret;
dev_kfree_skb(skb);
return NETDEV_TX_OK;
}
@ -2301,12 +2289,9 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw,
struct ieee80211_sub_if_data *sdata = NULL;
struct ieee80211_if_ap *ap = NULL;
struct beacon_data *beacon;
struct ieee80211_supported_band *sband;
enum ieee80211_band band = local->hw.conf.channel->band;
enum ieee80211_band band = local->oper_channel->band;
struct ieee80211_tx_rate_control txrc;
sband = local->hw.wiphy->bands[band];
rcu_read_lock();
sdata = vif_to_sdata(vif);
@ -2416,7 +2401,7 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw,
memset(mgmt, 0, hdr_len);
mgmt->frame_control =
cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
memset(mgmt->da, 0xff, ETH_ALEN);
eth_broadcast_addr(mgmt->da);
memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);
mgmt->u.beacon.beacon_int =
@ -2428,9 +2413,9 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw,
*pos++ = WLAN_EID_SSID;
*pos++ = 0x0;
if (ieee80211_add_srates_ie(sdata, skb, true) ||
if (ieee80211_add_srates_ie(sdata, skb, true, band) ||
mesh_add_ds_params_ie(skb, sdata) ||
ieee80211_add_ext_srates_ie(sdata, skb, true) ||
ieee80211_add_ext_srates_ie(sdata, skb, true, band) ||
mesh_add_rsn_ie(skb, sdata) ||
mesh_add_ht_cap_ie(skb, sdata) ||
mesh_add_ht_oper_ie(skb, sdata) ||
@ -2453,12 +2438,12 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw,
memset(&txrc, 0, sizeof(txrc));
txrc.hw = hw;
txrc.sband = sband;
txrc.sband = local->hw.wiphy->bands[band];
txrc.bss_conf = &sdata->vif.bss_conf;
txrc.skb = skb;
txrc.reported_rate.idx = -1;
txrc.rate_idx_mask = sdata->rc_rateidx_mask[band];
if (txrc.rate_idx_mask == (1 << sband->n_bitrates) - 1)
if (txrc.rate_idx_mask == (1 << txrc.sband->n_bitrates) - 1)
txrc.max_rate_idx = -1;
else
txrc.max_rate_idx = fls(txrc.rate_idx_mask) - 1;
@ -2482,7 +2467,8 @@ struct sk_buff *ieee80211_proberesp_get(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct ieee80211_if_ap *ap = NULL;
struct sk_buff *presp = NULL, *skb = NULL;
struct sk_buff *skb = NULL;
struct probe_resp *presp = NULL;
struct ieee80211_hdr *hdr;
struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
@ -2496,10 +2482,12 @@ struct sk_buff *ieee80211_proberesp_get(struct ieee80211_hw *hw,
if (!presp)
goto out;
skb = skb_copy(presp, GFP_ATOMIC);
skb = dev_alloc_skb(presp->len);
if (!skb)
goto out;
memcpy(skb_put(skb, presp->len), presp->data, presp->len);
hdr = (struct ieee80211_hdr *) skb->data;
memset(hdr->addr1, 0, sizeof(hdr->addr1));
@ -2610,9 +2598,9 @@ struct sk_buff *ieee80211_probereq_get(struct ieee80211_hw *hw,
memset(hdr, 0, sizeof(*hdr));
hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
IEEE80211_STYPE_PROBE_REQ);
memset(hdr->addr1, 0xff, ETH_ALEN);
eth_broadcast_addr(hdr->addr1);
memcpy(hdr->addr2, vif->addr, ETH_ALEN);
memset(hdr->addr3, 0xff, ETH_ALEN);
eth_broadcast_addr(hdr->addr3);
pos = skb_put(skb, ie_ssid_len);
*pos++ = WLAN_EID_SSID;
@ -2709,8 +2697,7 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw,
info = IEEE80211_SKB_CB(skb);
tx.flags |= IEEE80211_TX_PS_BUFFERED;
tx.channel = local->hw.conf.channel;
info->band = tx.channel->band;
info->band = local->oper_channel->band;
if (invoke_tx_handlers(&tx))
skb = NULL;

57
net/mac80211/util.c
View File

@ -276,6 +276,9 @@ void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue)
list_for_each_entry_rcu(sdata, &local->interfaces, list) {
int ac;
if (!sdata->dev)
continue;
if (test_bit(SDATA_STATE_OFFCHANNEL, &sdata->state))
continue;
@ -364,6 +367,9 @@ static void __ieee80211_stop_queue(struct ieee80211_hw *hw, int queue,
list_for_each_entry_rcu(sdata, &local->interfaces, list) {
int ac;
if (!sdata->dev)
continue;
for (ac = 0; ac < n_acs; ac++) {
if (sdata->vif.hw_queue[ac] == queue ||
sdata->vif.cab_queue == queue)
@ -768,8 +774,11 @@ u32 ieee802_11_parse_elems_crc(u8 *start, size_t len,
elem_parse_failed = true;
break;
case WLAN_EID_CHANNEL_SWITCH:
elems->ch_switch_elem = pos;
elems->ch_switch_elem_len = elen;
if (elen != sizeof(struct ieee80211_channel_sw_ie)) {
elem_parse_failed = true;
break;
}
elems->ch_switch_ie = (void *)pos;
break;
case WLAN_EID_QUIET:
if (!elems->quiet_elem) {
@ -832,7 +841,7 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata,
memset(&qparam, 0, sizeof(qparam));
use_11b = (local->hw.conf.channel->band == IEEE80211_BAND_2GHZ) &&
use_11b = (local->oper_channel->band == IEEE80211_BAND_2GHZ) &&
!(sdata->flags & IEEE80211_SDATA_OPERATING_GMODE);
/*
@ -899,7 +908,8 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata,
drv_conf_tx(local, sdata, ac, &qparam);
}
if (sdata->vif.type != NL80211_IFTYPE_MONITOR) {
if (sdata->vif.type != NL80211_IFTYPE_MONITOR &&
sdata->vif.type != NL80211_IFTYPE_P2P_DEVICE) {
sdata->vif.bss_conf.qos = enable_qos;
if (bss_notify)
ieee80211_bss_info_change_notify(sdata,
@ -919,7 +929,7 @@ void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata,
if ((supp_rates[i] & 0x7f) * 5 > 110)
have_higher_than_11mbit = 1;
if (local->hw.conf.channel->band == IEEE80211_BAND_2GHZ &&
if (local->oper_channel->band == IEEE80211_BAND_2GHZ &&
have_higher_than_11mbit)
sdata->flags |= IEEE80211_SDATA_OPERATING_GMODE;
else
@ -1100,6 +1110,7 @@ int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
u8 *dst, u32 ratemask,
struct ieee80211_channel *chan,
const u8 *ssid, size_t ssid_len,
const u8 *ie, size_t ie_len,
bool directed)
@ -1109,7 +1120,7 @@ struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
struct ieee80211_mgmt *mgmt;
size_t buf_len;
u8 *buf;
u8 chan;
u8 chan_no;
/* FIXME: come up with a proper value */
buf = kmalloc(200 + ie_len, GFP_KERNEL);
@ -1122,14 +1133,12 @@ struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
* badly-behaved APs don't respond when this parameter is included.
*/
if (directed)
chan = 0;
chan_no = 0;
else
chan = ieee80211_frequency_to_channel(
local->hw.conf.channel->center_freq);
chan_no = ieee80211_frequency_to_channel(chan->center_freq);
buf_len = ieee80211_build_preq_ies(local, buf, ie, ie_len,
local->hw.conf.channel->band,
ratemask, chan);
buf_len = ieee80211_build_preq_ies(local, buf, ie, ie_len, chan->band,
ratemask, chan_no);
skb = ieee80211_probereq_get(&local->hw, &sdata->vif,
ssid, ssid_len,
@ -1154,11 +1163,13 @@ struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
const u8 *ssid, size_t ssid_len,
const u8 *ie, size_t ie_len,
u32 ratemask, bool directed, bool no_cck)
u32 ratemask, bool directed, bool no_cck,
struct ieee80211_channel *channel)
{
struct sk_buff *skb;
skb = ieee80211_build_probe_req(sdata, dst, ratemask, ssid, ssid_len,
skb = ieee80211_build_probe_req(sdata, dst, ratemask, channel,
ssid, ssid_len,
ie, ie_len, directed);
if (skb) {
if (no_cck)
@ -1359,7 +1370,8 @@ int ieee80211_reconfig(struct ieee80211_local *local)
switch (sdata->vif.type) {
case NL80211_IFTYPE_STATION:
changed |= BSS_CHANGED_ASSOC |
BSS_CHANGED_ARP_FILTER;
BSS_CHANGED_ARP_FILTER |
BSS_CHANGED_PS;
mutex_lock(&sdata->u.mgd.mtx);
ieee80211_bss_info_change_notify(sdata, changed);
mutex_unlock(&sdata->u.mgd.mtx);
@ -1385,6 +1397,9 @@ int ieee80211_reconfig(struct ieee80211_local *local)
case NL80211_IFTYPE_MONITOR:
/* ignore virtual */
break;
case NL80211_IFTYPE_P2P_DEVICE:
changed = BSS_CHANGED_IDLE;
break;
case NL80211_IFTYPE_UNSPECIFIED:
case NUM_NL80211_IFTYPES:
case NL80211_IFTYPE_P2P_CLIENT:
@ -1571,6 +1586,8 @@ void ieee80211_recalc_smps(struct ieee80211_local *local)
list_for_each_entry(sdata, &local->interfaces, list) {
if (!ieee80211_sdata_running(sdata))
continue;
if (sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE)
continue;
if (sdata->vif.type != NL80211_IFTYPE_STATION)
goto set;
@ -1809,7 +1826,8 @@ ieee80211_ht_oper_to_channel_type(struct ieee80211_ht_operation *ht_oper)
}
int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb, bool need_basic)
struct sk_buff *skb, bool need_basic,
enum ieee80211_band band)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_supported_band *sband;
@ -1817,7 +1835,7 @@ int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata,
u8 i, rates, *pos;
u32 basic_rates = sdata->vif.bss_conf.basic_rates;
sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
sband = local->hw.wiphy->bands[band];
rates = sband->n_bitrates;
if (rates > 8)
rates = 8;
@ -1840,7 +1858,8 @@ int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata,
}
int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb, bool need_basic)
struct sk_buff *skb, bool need_basic,
enum ieee80211_band band)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_supported_band *sband;
@ -1848,7 +1867,7 @@ int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata,
u8 i, exrates, *pos;
u32 basic_rates = sdata->vif.bss_conf.basic_rates;
sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
sband = local->hw.wiphy->bands[band];
exrates = sband->n_bitrates;
if (exrates > 8)
exrates -= 8;

7
net/wireless/chan.c
View File

@ -105,7 +105,7 @@ cfg80211_get_chan_state(struct wireless_dev *wdev,
ASSERT_WDEV_LOCK(wdev);
if (!netif_running(wdev->netdev))
if (wdev->netdev && !netif_running(wdev->netdev))
return;
switch (wdev->iftype) {
@ -143,6 +143,11 @@ cfg80211_get_chan_state(struct wireless_dev *wdev,
case NL80211_IFTYPE_WDS:
/* these interface types don't really have a channel */
return;
case NL80211_IFTYPE_P2P_DEVICE:
if (wdev->wiphy->features &
NL80211_FEATURE_P2P_DEVICE_NEEDS_CHANNEL)
*chanmode = CHAN_MODE_EXCLUSIVE;
return;
case NL80211_IFTYPE_UNSPECIFIED:
case NUM_NL80211_IFTYPES:
WARN_ON(1);

53
net/wireless/core.c
View File

@ -230,9 +230,24 @@ static int cfg80211_rfkill_set_block(void *data, bool blocked)
rtnl_lock();
mutex_lock(&rdev->devlist_mtx);
list_for_each_entry(wdev, &rdev->wdev_list, list)
if (wdev->netdev)
list_for_each_entry(wdev, &rdev->wdev_list, list) {
if (wdev->netdev) {
dev_close(wdev->netdev);
continue;
}
/* otherwise, check iftype */
switch (wdev->iftype) {
case NL80211_IFTYPE_P2P_DEVICE:
if (!wdev->p2p_started)
break;
rdev->ops->stop_p2p_device(&rdev->wiphy, wdev);
wdev->p2p_started = false;
rdev->opencount--;
break;
default:
break;
}
}
mutex_unlock(&rdev->devlist_mtx);
rtnl_unlock();
@ -407,6 +422,11 @@ static int wiphy_verify_combinations(struct wiphy *wiphy)
if (WARN_ON(wiphy->software_iftypes & types))
return -EINVAL;
/* Only a single P2P_DEVICE can be allowed */
if (WARN_ON(types & BIT(NL80211_IFTYPE_P2P_DEVICE) &&
c->limits[j].max > 1))
return -EINVAL;
cnt += c->limits[j].max;
/*
* Don't advertise an unsupported type
@ -734,6 +754,35 @@ static void wdev_cleanup_work(struct work_struct *work)
dev_put(wdev->netdev);
}
void cfg80211_unregister_wdev(struct wireless_dev *wdev)
{
struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
ASSERT_RTNL();
if (WARN_ON(wdev->netdev))
return;
mutex_lock(&rdev->devlist_mtx);
list_del_rcu(&wdev->list);
rdev->devlist_generation++;
switch (wdev->iftype) {
case NL80211_IFTYPE_P2P_DEVICE:
if (!wdev->p2p_started)
break;
rdev->ops->stop_p2p_device(&rdev->wiphy, wdev);
wdev->p2p_started = false;
rdev->opencount--;
break;
default:
WARN_ON_ONCE(1);
break;
}
mutex_unlock(&rdev->devlist_mtx);
}
EXPORT_SYMBOL(cfg80211_unregister_wdev);
static struct device_type wiphy_type = {
.name = "wlan",
};

10
net/wireless/mlme.c
View File

@ -736,7 +736,6 @@ int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
const u8 *buf, size_t len, bool no_cck,
bool dont_wait_for_ack, u64 *cookie)
{
struct net_device *dev = wdev->netdev;
const struct ieee80211_mgmt *mgmt;
u16 stype;
@ -796,7 +795,7 @@ int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_P2P_GO:
case NL80211_IFTYPE_AP_VLAN:
if (!ether_addr_equal(mgmt->bssid, dev->dev_addr))
if (!ether_addr_equal(mgmt->bssid, wdev_address(wdev)))
err = -EINVAL;
break;
case NL80211_IFTYPE_MESH_POINT:
@ -809,6 +808,11 @@ int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
* cfg80211 doesn't track the stations
*/
break;
case NL80211_IFTYPE_P2P_DEVICE:
/*
* fall through, P2P device only supports
* public action frames
*/
default:
err = -EOPNOTSUPP;
break;
@ -819,7 +823,7 @@ int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
return err;
}
if (!ether_addr_equal(mgmt->sa, dev->dev_addr))
if (!ether_addr_equal(mgmt->sa, wdev_address(wdev)))
return -EINVAL;
/* Transmit the Action frame as requested by user space */

122
net/wireless/nl80211.c
View File

@ -1100,6 +1100,7 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS))
goto nla_put_failure;
}
CMD(start_p2p_device, START_P2P_DEVICE);
#ifdef CONFIG_NL80211_TESTMODE
CMD(testmode_cmd, TESTMODE);
@ -1748,13 +1749,13 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags,
if (dev &&
(nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name) ||
nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dev->dev_addr)))
nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name)))
goto nla_put_failure;
if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) ||
nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) ||
nla_put_u32(msg, NL80211_ATTR_GENERATION,
rdev->devlist_generation ^
(cfg80211_rdev_list_generation << 2)))
@ -2021,8 +2022,10 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
return PTR_ERR(wdev);
}
if (type == NL80211_IFTYPE_MESH_POINT &&
info->attrs[NL80211_ATTR_MESH_ID]) {
switch (type) {
case NL80211_IFTYPE_MESH_POINT:
if (!info->attrs[NL80211_ATTR_MESH_ID])
break;
wdev_lock(wdev);
BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
IEEE80211_MAX_MESH_ID_LEN);
@ -2031,6 +2034,26 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
wdev->mesh_id_up_len);
wdev_unlock(wdev);
break;
case NL80211_IFTYPE_P2P_DEVICE:
/*
* P2P Device doesn't have a netdev, so doesn't go
* through the netdev notifier and must be added here
*/
mutex_init(&wdev->mtx);
INIT_LIST_HEAD(&wdev->event_list);
spin_lock_init(&wdev->event_lock);
INIT_LIST_HEAD(&wdev->mgmt_registrations);
spin_lock_init(&wdev->mgmt_registrations_lock);
mutex_lock(&rdev->devlist_mtx);
wdev->identifier = ++rdev->wdev_id;
list_add_rcu(&wdev->list, &rdev->wdev_list);
rdev->devlist_generation++;
mutex_unlock(&rdev->devlist_mtx);
break;
default:
break;
}
if (nl80211_send_iface(msg, info->snd_pid, info->snd_seq, 0,
@ -6053,6 +6076,7 @@ static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_MESH_POINT:
case NL80211_IFTYPE_P2P_GO:
case NL80211_IFTYPE_P2P_DEVICE:
break;
default:
return -EOPNOTSUPP;
@ -6099,6 +6123,7 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_MESH_POINT:
case NL80211_IFTYPE_P2P_GO:
case NL80211_IFTYPE_P2P_DEVICE:
break;
default:
return -EOPNOTSUPP;
@ -6195,6 +6220,7 @@ static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *in
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_P2P_GO:
case NL80211_IFTYPE_P2P_DEVICE:
break;
default:
return -EOPNOTSUPP;
@ -6810,6 +6836,68 @@ static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
return 0;
}
static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct wireless_dev *wdev = info->user_ptr[1];
int err;
if (!rdev->ops->start_p2p_device)
return -EOPNOTSUPP;
if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
return -EOPNOTSUPP;
if (wdev->p2p_started)
return 0;
mutex_lock(&rdev->devlist_mtx);
err = cfg80211_can_add_interface(rdev, wdev->iftype);
mutex_unlock(&rdev->devlist_mtx);
if (err)
return err;
err = rdev->ops->start_p2p_device(&rdev->wiphy, wdev);
if (err)
return err;
wdev->p2p_started = true;
mutex_lock(&rdev->devlist_mtx);
rdev->opencount++;
mutex_unlock(&rdev->devlist_mtx);
return 0;
}
static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct wireless_dev *wdev = info->user_ptr[1];
if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
return -EOPNOTSUPP;
if (!rdev->ops->stop_p2p_device)
return -EOPNOTSUPP;
if (!wdev->p2p_started)
return 0;
rdev->ops->stop_p2p_device(&rdev->wiphy, wdev);
wdev->p2p_started = false;
mutex_lock(&rdev->devlist_mtx);
rdev->opencount--;
mutex_unlock(&rdev->devlist_mtx);
if (WARN_ON(rdev->scan_req && rdev->scan_req->wdev == wdev)) {
rdev->scan_req->aborted = true;
___cfg80211_scan_done(rdev, true);
}
return 0;
}
#define NL80211_FLAG_NEED_WIPHY 0x01
#define NL80211_FLAG_NEED_NETDEV 0x02
#define NL80211_FLAG_NEED_RTNL 0x04
@ -6817,7 +6905,7 @@ static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
#define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
NL80211_FLAG_CHECK_NETDEV_UP)
#define NL80211_FLAG_NEED_WDEV 0x10
/* If a netdev is associated, it must be UP */
/* If a netdev is associated, it must be UP, P2P must be started */
#define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
NL80211_FLAG_CHECK_NETDEV_UP)
@ -6878,6 +6966,13 @@ static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
}
dev_hold(dev);
} else if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP) {
if (!wdev->p2p_started) {
mutex_unlock(&cfg80211_mutex);
if (rtnl)
rtnl_unlock();
return -ENETDOWN;
}
}
cfg80211_lock_rdev(rdev);
@ -7439,7 +7534,22 @@ static struct genl_ops nl80211_ops[] = {
.internal_flags = NL80211_FLAG_NEED_NETDEV |
NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_START_P2P_DEVICE,
.doit = nl80211_start_p2p_device,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
.internal_flags = NL80211_FLAG_NEED_WDEV |
NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_STOP_P2P_DEVICE,
.doit = nl80211_stop_p2p_device,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
.internal_flags = NL80211_FLAG_NEED_WDEV_UP |
NL80211_FLAG_NEED_RTNL,
},
};
static struct genl_multicast_group nl80211_mlme_mcgrp = {

2
net/wireless/radiotap.c
View File

@ -41,6 +41,8 @@ static const struct radiotap_align_size rtap_namespace_sizes[] = {
[IEEE80211_RADIOTAP_TX_FLAGS] = { .align = 2, .size = 2, },
[IEEE80211_RADIOTAP_RTS_RETRIES] = { .align = 1, .size = 1, },
[IEEE80211_RADIOTAP_DATA_RETRIES] = { .align = 1, .size = 1, },
[IEEE80211_RADIOTAP_MCS] = { .align = 1, .size = 3, },
[IEEE80211_RADIOTAP_AMPDU_STATUS] = { .align = 4, .size = 8, },
/*
* add more here as they are defined in radiotap.h
*/

36
net/wireless/util.c
View File

@ -684,22 +684,10 @@ EXPORT_SYMBOL(cfg80211_classify8021d);
const u8 *ieee80211_bss_get_ie(struct cfg80211_bss *bss, u8 ie)
{
u8 *end, *pos;
pos = bss->information_elements;
if (pos == NULL)
if (bss->information_elements == NULL)
return NULL;
end = pos + bss->len_information_elements;
while (pos + 1 < end) {
if (pos + 2 + pos[1] > end)
break;
if (pos[0] == ie)
return pos;
pos += 2 + pos[1];
}
return NULL;
return cfg80211_find_ie(ie, bss->information_elements,
bss->len_information_elements);
}
EXPORT_SYMBOL(ieee80211_bss_get_ie);
@ -812,6 +800,10 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
if (otype == NL80211_IFTYPE_AP_VLAN)
return -EOPNOTSUPP;
/* cannot change into P2P device type */
if (ntype == NL80211_IFTYPE_P2P_DEVICE)
return -EOPNOTSUPP;
if (!rdev->ops->change_virtual_intf ||
!(rdev->wiphy.interface_modes & (1 << ntype)))
return -EOPNOTSUPP;
@ -889,6 +881,9 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
case NUM_NL80211_IFTYPES:
/* not happening */
break;
case NL80211_IFTYPE_P2P_DEVICE:
WARN_ON(1);
break;
}
}
@ -1053,8 +1048,15 @@ int cfg80211_can_use_iftype_chan(struct cfg80211_registered_device *rdev,
list_for_each_entry(wdev_iter, &rdev->wdev_list, list) {
if (wdev_iter == wdev)
continue;
if (!netif_running(wdev_iter->netdev))
continue;
if (wdev_iter->netdev) {
if (!netif_running(wdev_iter->netdev))
continue;
} else if (wdev_iter->iftype == NL80211_IFTYPE_P2P_DEVICE) {
if (!wdev_iter->p2p_started)
continue;
} else {
WARN_ON(1);
}
if (rdev->wiphy.software_iftypes & BIT(wdev_iter->iftype))
continue;