diff options
| -rw-r--r-- | include/net/mac80211.h | 6 | ||||
| -rw-r--r-- | net/mac80211/driver-ops.c | 11 | ||||
| -rw-r--r-- | net/mac80211/driver-ops.h | 23 |
3 files changed, 37 insertions, 3 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 72375eceb786..a9b73e357462 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -3869,6 +3869,10 @@ struct ieee80211_prep_tx_info { * the station. See @sta_pre_rcu_remove if needed. * This callback can sleep. * + * @vif_add_debugfs: Drivers can use this callback to add a debugfs vif + * directory with its files. This callback should be within a + * CONFIG_MAC80211_DEBUGFS conditional. This callback can sleep. + * * @link_add_debugfs: Drivers can use this callback to add debugfs files * when a link is added to a mac80211 vif. This callback should be within * a CONFIG_MAC80211_DEBUGFS conditional. This callback can sleep. @@ -4368,6 +4372,8 @@ struct ieee80211_ops { int (*sta_remove)(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta); #ifdef CONFIG_MAC80211_DEBUGFS + void (*vif_add_debugfs)(struct ieee80211_hw *hw, + struct ieee80211_vif *vif); void (*link_add_debugfs)(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_bss_conf *link_conf, diff --git a/net/mac80211/driver-ops.c b/net/mac80211/driver-ops.c index 9112715a749a..08861ec61be9 100644 --- a/net/mac80211/driver-ops.c +++ b/net/mac80211/driver-ops.c @@ -72,10 +72,15 @@ int drv_add_interface(struct ieee80211_local *local, ret = local->ops->add_interface(&local->hw, &sdata->vif); trace_drv_return_int(local, ret); - if (ret == 0) - sdata->flags |= IEEE80211_SDATA_IN_DRIVER; + if (ret) + return ret; - return ret; + sdata->flags |= IEEE80211_SDATA_IN_DRIVER; + + if (!local->in_reconfig) + drv_vif_add_debugfs(local, sdata); + + return 0; } int drv_change_interface(struct ieee80211_local *local, diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h index 77048b9065e6..e07e65da15ee 100644 --- a/net/mac80211/driver-ops.h +++ b/net/mac80211/driver-ops.h @@ -489,6 +489,23 @@ static inline void drv_sta_remove(struct ieee80211_local *local, } #ifdef CONFIG_MAC80211_DEBUGFS +static inline void drv_vif_add_debugfs(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata) +{ + might_sleep(); + + if (sdata->vif.type == NL80211_IFTYPE_MONITOR || + WARN_ON(!sdata->vif.debugfs_dir)) + return; + + sdata = get_bss_sdata(sdata); + if (!check_sdata_in_driver(sdata)) + return; + + if (local->ops->vif_add_debugfs) + local->ops->vif_add_debugfs(&local->hw, &sdata->vif); +} + static inline void drv_link_add_debugfs(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct ieee80211_bss_conf *link_conf, @@ -539,6 +556,12 @@ static inline void drv_link_sta_add_debugfs(struct ieee80211_local *local, local->ops->link_sta_add_debugfs(&local->hw, &sdata->vif, link_sta, dir); } +#else +static inline void drv_vif_add_debugfs(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata) +{ + might_sleep(); +} #endif static inline void drv_sta_pre_rcu_remove(struct ieee80211_local *local, |