From: Johannes Berg Date: Thu, 19 Jan 2012 08:29:58 +0000 (+0100) Subject: mac80211: make CQM RSSI support per virtual interface X-Git-Tag: v3.4-rc1~177^2~112^2~391 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ea086359a63bd0dd85c1d784d0425340649613fa;p=platform%2Fkernel%2Flinux-exynos.git mac80211: make CQM RSSI support per virtual interface Similar to the previous beacon filtering patch, make CQM RSSI support depend on the flags that the driver set for virtual interfaces. Signed-off-by: Johannes Berg Acked-by: Luciano Coelho Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/wl1251/main.c b/drivers/net/wireless/wl1251/main.c index 86540db..41302c7 100644 --- a/drivers/net/wireless/wl1251/main.c +++ b/drivers/net/wireless/wl1251/main.c @@ -514,7 +514,8 @@ static int wl1251_op_add_interface(struct ieee80211_hw *hw, struct wl1251 *wl = hw->priv; int ret = 0; - vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; + vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | + IEEE80211_VIF_SUPPORTS_CQM_RSSI; wl1251_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM", vif->type, vif->addr); @@ -1340,8 +1341,7 @@ int wl1251_init_ieee80211(struct wl1251 *wl) wl->hw->flags = IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_SUPPORTS_PS | - IEEE80211_HW_SUPPORTS_UAPSD | - IEEE80211_HW_SUPPORTS_CQM_RSSI; + IEEE80211_HW_SUPPORTS_UAPSD; wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC); diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c index afc5381..f8748ce 100644 --- a/drivers/net/wireless/wl12xx/main.c +++ b/drivers/net/wireless/wl12xx/main.c @@ -2060,7 +2060,8 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw, u8 role_type; bool booted = false; - vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; + vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | + IEEE80211_VIF_SUPPORTS_CQM_RSSI; wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM", ieee80211_vif_type_p2p(vif), vif->addr); @@ -4904,7 +4905,6 @@ static int wl1271_init_ieee80211(struct wl1271 *wl) IEEE80211_HW_SUPPORTS_UAPSD | IEEE80211_HW_HAS_RATE_CONTROL | IEEE80211_HW_CONNECTION_MONITOR | - IEEE80211_HW_SUPPORTS_CQM_RSSI | IEEE80211_HW_REPORTS_TX_ACK_STATUS | IEEE80211_HW_SPECTRUM_MGMT | IEEE80211_HW_AP_LINK_PS | diff --git a/include/net/mac80211.h b/include/net/mac80211.h index ae8db24..6501858 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -856,9 +856,14 @@ struct ieee80211_channel_switch { * * @IEEE80211_VIF_BEACON_FILTER: the device performs beacon filtering * on this virtual interface to avoid unnecessary CPU wakeups + * @IEEE80211_VIF_SUPPORTS_CQM_RSSI: the device can do connection quality + * monitoring on this virtual interface -- i.e. it can monitor + * connection quality related parameters, such as the RSSI level and + * provide notifications if configured trigger levels are reached. */ enum ieee80211_vif_flags { IEEE80211_VIF_BEACON_FILTER = BIT(0), + IEEE80211_VIF_SUPPORTS_CQM_RSSI = BIT(1), }; /** @@ -1119,11 +1124,6 @@ enum sta_notify_cmd { * When this flag is set, signaling beacon-loss will cause an immediate * change to disassociated state. * - * @IEEE80211_HW_SUPPORTS_CQM_RSSI: - * Hardware can do connection quality monitoring - i.e. it can monitor - * connection quality related parameters, such as the RSSI level and - * provide notifications if configured trigger levels are reached. - * * @IEEE80211_HW_NEED_DTIM_PERIOD: * This device needs to know the DTIM period for the BSS before * associating. @@ -1167,7 +1167,7 @@ enum ieee80211_hw_flags { IEEE80211_HW_SUPPORTS_UAPSD = 1<<17, IEEE80211_HW_REPORTS_TX_ACK_STATUS = 1<<18, IEEE80211_HW_CONNECTION_MONITOR = 1<<19, - IEEE80211_HW_SUPPORTS_CQM_RSSI = 1<<20, + /* reuse bit 20 */ IEEE80211_HW_SUPPORTS_PER_STA_GTK = 1<<21, IEEE80211_HW_AP_LINK_PS = 1<<22, IEEE80211_HW_TX_AMPDU_SETUP_IN_HW = 1<<23, @@ -3408,7 +3408,7 @@ void ieee80211_enable_dyn_ps(struct ieee80211_vif *vif); * @rssi_event: the RSSI trigger event type * @gfp: context flags * - * When the %IEEE80211_HW_SUPPORTS_CQM_RSSI is set, and a connection quality + * When the %IEEE80211_VIF_SUPPORTS_CQM_RSSI is set, and a connection quality * monitoring is configured with an rssi threshold, the driver will inform * whenever the rssi level reaches the threshold. */ diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index d86730f..74c9301 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -1873,7 +1873,6 @@ static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, s32 rssi_thold, u32 rssi_hyst) { struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); - struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); struct ieee80211_vif *vif = &sdata->vif; struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; @@ -1884,14 +1883,9 @@ static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, bss_conf->cqm_rssi_thold = rssi_thold; bss_conf->cqm_rssi_hyst = rssi_hyst; - if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)) { - if (sdata->vif.type != NL80211_IFTYPE_STATION) - return -EOPNOTSUPP; - return 0; - } - /* tell the driver upon association, unless already associated */ - if (sdata->u.mgd.associated) + if (sdata->u.mgd.associated && + sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI) ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); return 0; diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c index e8868da..affe64b 100644 --- a/net/mac80211/debugfs.c +++ b/net/mac80211/debugfs.c @@ -257,8 +257,6 @@ static ssize_t hwflags_read(struct file *file, char __user *user_buf, sf += snprintf(buf + sf, mxln - sf, "REPORTS_TX_ACK_STATUS\n"); if (local->hw.flags & IEEE80211_HW_CONNECTION_MONITOR) sf += snprintf(buf + sf, mxln - sf, "CONNECTION_MONITOR\n"); - if (local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI) - sf += snprintf(buf + sf, mxln - sf, "SUPPORTS_CQM_RSSI\n"); if (local->hw.flags & IEEE80211_HW_SUPPORTS_PER_STA_GTK) sf += snprintf(buf + sf, mxln - sf, "SUPPORTS_PER_STA_GTK\n"); if (local->hw.flags & IEEE80211_HW_AP_LINK_PS) diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index b51eb49..de3268c 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -1043,7 +1043,7 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata, bss_info_changed |= BSS_CHANGED_BSSID; /* Tell the driver to monitor connection quality (if supported) */ - if ((local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI) && + if (sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI && bss_conf->cqm_rssi_thold) bss_info_changed |= BSS_CHANGED_CQM; @@ -1882,7 +1882,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, if (bss_conf->cqm_rssi_thold && ifmgd->count_beacon_signal >= IEEE80211_SIGNAL_AVE_MIN_COUNT && - !(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)) { + !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)) { int sig = ifmgd->ave_beacon_signal / 16; int last_event = ifmgd->last_cqm_event_signal; int thold = bss_conf->cqm_rssi_thold;