diff options
| -rw-r--r-- | include/net/mac80211.h | 6 | ||||
| -rw-r--r-- | net/mac80211/cfg.c | 7 | ||||
| -rw-r--r-- | net/mac80211/driver-ops.h | 16 | ||||
| -rw-r--r-- | net/mac80211/mlme.c | 9 | ||||
| -rw-r--r-- | net/mac80211/trace.h | 6 |
5 files changed, 43 insertions, 1 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 19e4159ce3a3..7861ed875c4d 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -2836,6 +2836,9 @@ enum ieee80211_roc_type { * before a channel switch procedure is started (ie. when a STA * gets a CSA or an userspace initiated channel-switch), allowing * the driver to prepare for the channel switch. + * @post_channel_switch: This is an optional callback that is called + * after a channel switch procedure is completed, allowing the + * driver to go back to a normal configuration. * * @join_ibss: Join an IBSS (on an IBSS interface); this is called after all * information in bss_conf is set up and the beacon can be retrieved. A @@ -3046,6 +3049,9 @@ struct ieee80211_ops { struct ieee80211_vif *vif, struct ieee80211_channel_switch *ch_switch); + int (*post_channel_switch)(struct ieee80211_hw *hw, + struct ieee80211_vif *vif); + int (*join_ibss)(struct ieee80211_hw *hw, struct ieee80211_vif *vif); void (*leave_ibss)(struct ieee80211_hw *hw, struct ieee80211_vif *vif); u32 (*get_expected_throughput)(struct ieee80211_sta *sta); diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 647a2f6eb7dc..9d58b30b096a 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -2919,7 +2919,6 @@ static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) return err; ieee80211_bss_info_change_notify(sdata, changed); - cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef); if (sdata->csa_block_tx) { ieee80211_wake_vif_queues(local, sdata, @@ -2927,6 +2926,12 @@ static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) sdata->csa_block_tx = false; } + err = drv_post_channel_switch(sdata); + if (err) + return err; + + cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef); + return 0; } diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h index 5522672129ce..0a6090644769 100644 --- a/net/mac80211/driver-ops.h +++ b/net/mac80211/driver-ops.h @@ -1214,6 +1214,22 @@ drv_pre_channel_switch(struct ieee80211_sub_if_data *sdata, return ret; } +static inline int +drv_post_channel_switch(struct ieee80211_sub_if_data *sdata) +{ + struct ieee80211_local *local = sdata->local; + int ret = 0; + + if (!check_sdata_in_driver(sdata)) + return -EIO; + + trace_drv_post_channel_switch(local, sdata); + if (local->ops->post_channel_switch) + ret = local->ops->post_channel_switch(&local->hw, &sdata->vif); + trace_drv_return_int(local, ret); + return ret; +} + static inline int drv_join_ibss(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata) { diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index d23d6d97e453..cb1a8c3bc73f 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -1010,6 +1010,15 @@ static void ieee80211_chswitch_work(struct work_struct *work) sdata->csa_block_tx = false; } + ret = drv_post_channel_switch(sdata); + if (ret) { + sdata_info(sdata, + "driver post channel switch failed, disconnecting\n"); + ieee80211_queue_work(&local->hw, + &ifmgd->csa_connection_drop_work); + goto out; + } + ieee80211_sta_reset_beacon_monitor(sdata); ieee80211_sta_reset_conn_monitor(sdata); diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h index 30476d2c7302..ca0e12dd23c0 100644 --- a/net/mac80211/trace.h +++ b/net/mac80211/trace.h @@ -2141,6 +2141,12 @@ TRACE_EVENT(drv_pre_channel_switch, ) ); +DEFINE_EVENT(local_sdata_evt, drv_post_channel_switch, + TP_PROTO(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata), + TP_ARGS(local, sdata) +); + #ifdef CONFIG_MAC80211_MESSAGE_TRACING #undef TRACE_SYSTEM |