diff options
Diffstat (limited to 'net/mac80211/ieee80211_i.h')
| -rw-r--r-- | net/mac80211/ieee80211_i.h | 68 |
1 files changed, 56 insertions, 12 deletions
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index cc6e964d9837..8d53d65bd2ab 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -58,13 +58,24 @@ struct ieee80211_local; #define IEEE80211_UNSET_POWER_LEVEL INT_MIN /* - * Some APs experience problems when working with U-APSD. Decrease the - * probability of that happening by using legacy mode for all ACs but VO. - * The AP that caused us trouble was a Cisco 4410N. It ignores our - * setting, and always treats non-VO ACs as legacy. + * Some APs experience problems when working with U-APSD. Decreasing the + * probability of that happening by using legacy mode for all ACs but VO isn't + * enough. + * + * Cisco 4410N originally forced us to enable VO by default only because it + * treated non-VO ACs as legacy. + * + * However some APs (notably Netgear R7000) silently reclassify packets to + * different ACs. Since u-APSD ACs require trigger frames for frame retrieval + * clients would never see some frames (e.g. ARP responses) or would fetch them + * accidentally after a long time. + * + * It makes little sense to enable u-APSD queues by default because it needs + * userspace applications to be aware of it to actually take advantage of the + * possible additional powersavings. Implicitly depending on driver autotrigger + * frame support doesn't make much sense. */ -#define IEEE80211_DEFAULT_UAPSD_QUEUES \ - IEEE80211_WMM_IE_STA_QOSINFO_AC_VO +#define IEEE80211_DEFAULT_UAPSD_QUEUES 0 #define IEEE80211_DEFAULT_MAX_SP_LEN \ IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL @@ -453,6 +464,7 @@ struct ieee80211_if_managed { unsigned int flags; bool csa_waiting_bcn; + bool csa_ignored_same_chan; bool beacon_crc_valid; u32 beacon_crc; @@ -1168,8 +1180,6 @@ struct ieee80211_local { /* wowlan is enabled -- don't reconfig on resume */ bool wowlan; - /* DFS/radar detection is enabled */ - bool radar_detect_enabled; struct work_struct radar_detected_work; /* number of RX chains the hardware has */ @@ -1623,7 +1633,8 @@ int ieee80211_add_virtual_monitor(struct ieee80211_local *local); void ieee80211_del_virtual_monitor(struct ieee80211_local *local); bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata); -void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata); +void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata, + bool update_bss); static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata) { @@ -1704,6 +1715,7 @@ ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata, struct ieee80211_supported_band *sband, const struct ieee80211_vht_cap *vht_cap_ie, struct sta_info *sta); +enum ieee80211_sta_rx_bandwidth ieee80211_sta_cap_rx_bw(struct sta_info *sta); enum ieee80211_sta_rx_bandwidth ieee80211_sta_cur_vht_bw(struct sta_info *sta); void ieee80211_sta_set_rx_nss(struct sta_info *sta); u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, @@ -1752,7 +1764,8 @@ static inline int __ieee80211_resume(struct ieee80211_hw *hw) { struct ieee80211_local *local = hw_to_local(hw); - WARN(test_bit(SCAN_HW_SCANNING, &local->scanning), + WARN(test_bit(SCAN_HW_SCANNING, &local->scanning) && + !test_bit(SCAN_COMPLETED, &local->scanning), "%s: resume with hardware scan still in progress\n", wiphy_name(hw->wiphy)); @@ -1881,10 +1894,40 @@ void ieee80211_add_pending_skb(struct ieee80211_local *local, void ieee80211_add_pending_skbs(struct ieee80211_local *local, struct sk_buff_head *skbs); void ieee80211_flush_queues(struct ieee80211_local *local, - struct ieee80211_sub_if_data *sdata); + struct ieee80211_sub_if_data *sdata, bool drop); void __ieee80211_flush_queues(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, - unsigned int queues); + unsigned int queues, bool drop); + +static inline bool ieee80211_can_run_worker(struct ieee80211_local *local) +{ + /* + * If quiescing is set, we are racing with __ieee80211_suspend. + * __ieee80211_suspend flushes the workers after setting quiescing, + * and we check quiescing / suspended before enqueing new workers. + * We should abort the worker to avoid the races below. + */ + if (local->quiescing) + return false; + + /* + * We might already be suspended if the following scenario occurs: + * __ieee80211_suspend Control path + * + * if (local->quiescing) + * return; + * local->quiescing = true; + * flush_workqueue(); + * queue_work(...); + * local->suspended = true; + * local->quiescing = false; + * worker starts running... + */ + if (local->suspended) + return false; + + return true; +} void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, u16 transaction, u16 auth_alg, u16 status, @@ -1981,6 +2024,7 @@ void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local, struct ieee80211_chanctx *chanctx); void ieee80211_recalc_chanctx_min_def(struct ieee80211_local *local, struct ieee80211_chanctx *ctx); +bool ieee80211_is_radar_required(struct ieee80211_local *local); void ieee80211_dfs_cac_timer(unsigned long data); void ieee80211_dfs_cac_timer_work(struct work_struct *work); |
