diff options
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/htc.h | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/htc_drv_beacon.c | 78 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/htc_drv_main.c | 45 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/wmi.c | 4 |
4 files changed, 115 insertions, 15 deletions
diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h index 5b0a21a..e9c51ca 100644 --- a/drivers/net/wireless/ath/ath9k/htc.h +++ b/drivers/net/wireless/ath/ath9k/htc.h @@ -352,10 +352,8 @@ struct ath_led { struct htc_beacon_config { u16 beacon_interval; - u16 listen_interval; u16 dtim_period; u16 bmiss_timeout; - u8 dtim_count; }; struct ath_btcoex { @@ -380,6 +378,7 @@ void ath_htc_cancel_btcoex_work(struct ath9k_htc_priv *priv); #define OP_BT_PRIORITY_DETECTED BIT(6) #define OP_BT_SCAN BIT(7) #define OP_ANI_RUNNING BIT(8) +#define OP_TSF_RESET BIT(9) struct ath9k_htc_priv { struct device *dev; diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c b/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c index bbbdd60..e897a56 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c @@ -138,6 +138,51 @@ static void ath9k_htc_beacon_config_sta(struct ath9k_htc_priv *priv, WMI_CMD_BUF(WMI_ENABLE_INTR_CMDID, &htc_imask); } +static void ath9k_htc_beacon_config_ap(struct ath9k_htc_priv *priv, + struct htc_beacon_config *bss_conf) +{ + struct ath_common *common = ath9k_hw_common(priv->ah); + enum ath9k_int imask = 0; + u32 nexttbtt, intval, tsftu; + __be32 htc_imask = 0; + int ret; + u8 cmd_rsp; + u64 tsf; + + intval = bss_conf->beacon_interval & ATH9K_BEACON_PERIOD; + intval /= ATH9K_HTC_MAX_BCN_VIF; + nexttbtt = intval; + + if (priv->op_flags & OP_TSF_RESET) { + intval |= ATH9K_BEACON_RESET_TSF; + priv->op_flags &= ~OP_TSF_RESET; + } else { + /* + * Pull nexttbtt forward to reflect the current TSF. + */ + tsf = ath9k_hw_gettsf64(priv->ah); + tsftu = TSF_TO_TU(tsf >> 32, tsf) + FUDGE; + do { + nexttbtt += intval; + } while (nexttbtt < tsftu); + } + + intval |= ATH9K_BEACON_ENA; + + if (priv->op_flags & OP_ENABLE_BEACON) + imask |= ATH9K_INT_SWBA; + + ath_dbg(common, ATH_DBG_CONFIG, + "AP Beacon config, intval: %d, nexttbtt: %u imask: 0x%x\n", + bss_conf->beacon_interval, nexttbtt, imask); + + WMI_CMD(WMI_DISABLE_INTR_CMDID); + ath9k_hw_beaconinit(priv->ah, nexttbtt, intval); + priv->bmiss_cnt = 0; + htc_imask = cpu_to_be32(imask); + WMI_CMD_BUF(WMI_ENABLE_INTR_CMDID, &htc_imask); +} + static void ath9k_htc_beacon_config_adhoc(struct ath9k_htc_priv *priv, struct htc_beacon_config *bss_conf) { @@ -260,13 +305,36 @@ void ath9k_htc_beacon_config(struct ath9k_htc_priv *priv, struct htc_beacon_config *cur_conf = &priv->cur_beacon_conf; struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; + /* + * Changing the beacon interval when multiple AP interfaces + * are configured will affect beacon transmission of all + * of them. + */ + if ((priv->ah->opmode == NL80211_IFTYPE_AP) && + (priv->num_ap_vif > 1) && + (vif->type == NL80211_IFTYPE_AP) && + (cur_conf->beacon_interval != bss_conf->beacon_int)) { + ath_dbg(common, ATH_DBG_CONFIG, + "Changing beacon interval of multiple AP interfaces !\n"); + return; + } + + /* + * If the HW is operating in AP mode, any new station interfaces that + * are added cannot change the beacon parameters. + */ + if (priv->num_ap_vif && + (vif->type != NL80211_IFTYPE_AP)) { + ath_dbg(common, ATH_DBG_CONFIG, + "HW in AP mode, cannot set STA beacon parameters\n"); + return; + } + cur_conf->beacon_interval = bss_conf->beacon_int; if (cur_conf->beacon_interval == 0) cur_conf->beacon_interval = 100; cur_conf->dtim_period = bss_conf->dtim_period; - cur_conf->listen_interval = 1; - cur_conf->dtim_count = 1; cur_conf->bmiss_timeout = ATH_DEFAULT_BMISS_LIMIT * cur_conf->beacon_interval; @@ -277,6 +345,9 @@ void ath9k_htc_beacon_config(struct ath9k_htc_priv *priv, case NL80211_IFTYPE_ADHOC: ath9k_htc_beacon_config_adhoc(priv, cur_conf); break; + case NL80211_IFTYPE_AP: + ath9k_htc_beacon_config_ap(priv, cur_conf); + break; default: ath_dbg(common, ATH_DBG_CONFIG, "Unsupported beaconing mode\n"); @@ -296,6 +367,9 @@ void ath9k_htc_beacon_reconfig(struct ath9k_htc_priv *priv) case NL80211_IFTYPE_ADHOC: ath9k_htc_beacon_config_adhoc(priv, cur_conf); break; + case NL80211_IFTYPE_AP: + ath9k_htc_beacon_config_ap(priv, cur_conf); + break; default: ath_dbg(common, ATH_DBG_CONFIG, "Unsupported beaconing mode\n"); diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c index f384b35..7367d6c 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c @@ -110,6 +110,9 @@ static void ath9k_htc_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif) struct ath9k_htc_priv *priv = data; struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; + if ((vif->type == NL80211_IFTYPE_AP) && bss_conf->enable_beacon) + priv->reconfig_beacon = true; + if (bss_conf->assoc) { priv->rearm_ani = true; priv->reconfig_beacon = true; @@ -288,6 +291,11 @@ static int ath9k_htc_set_channel(struct ath9k_htc_priv *priv, goto err; htc_start(priv->htc); + + if (!(priv->op_flags & OP_SCANNING) && + !(hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)) + ath9k_htc_vif_reconfig(priv); + err: ath9k_htc_ps_restore(priv); return ret; @@ -1620,17 +1628,40 @@ static void ath9k_htc_bss_info_changed(struct ieee80211_hw *hw, common->curbssid, common->curaid); } - if ((changed & BSS_CHANGED_BEACON_INT) || - (changed & BSS_CHANGED_BEACON) || - ((changed & BSS_CHANGED_BEACON_ENABLED) && - bss_conf->enable_beacon)) { + if ((changed & BSS_CHANGED_BEACON_ENABLED) && bss_conf->enable_beacon) { + ath_dbg(common, ATH_DBG_CONFIG, + "Beacon enabled for BSS: %pM\n", bss_conf->bssid); priv->op_flags |= OP_ENABLE_BEACON; ath9k_htc_beacon_config(priv, vif); } - if ((changed & BSS_CHANGED_BEACON_ENABLED) && - !bss_conf->enable_beacon) { - priv->op_flags &= ~OP_ENABLE_BEACON; + if ((changed & BSS_CHANGED_BEACON_ENABLED) && !bss_conf->enable_beacon) { + /* + * Disable SWBA interrupt only if there are no + * AP/IBSS interfaces. + */ + if ((priv->num_ap_vif <= 1) || priv->num_ibss_vif) { + ath_dbg(common, ATH_DBG_CONFIG, + "Beacon disabled for BSS: %pM\n", + bss_conf->bssid); + priv->op_flags &= ~OP_ENABLE_BEACON; + ath9k_htc_beacon_config(priv, vif); + } + } + + if (changed & BSS_CHANGED_BEACON_INT) { + /* + * Reset the HW TSF for the first AP interface. + */ + if ((priv->ah->opmode == NL80211_IFTYPE_AP) && + (priv->nvifs == 1) && + (priv->num_ap_vif == 1) && + (vif->type == NL80211_IFTYPE_AP)) { + priv->op_flags |= OP_TSF_RESET; + } + ath_dbg(common, ATH_DBG_CONFIG, + "Beacon interval changed for BSS: %pM\n", + bss_conf->bssid); ath9k_htc_beacon_config(priv, vif); } diff --git a/drivers/net/wireless/ath/ath9k/wmi.c b/drivers/net/wireless/ath/ath9k/wmi.c index dc862f5..d3d2490 100644 --- a/drivers/net/wireless/ath/ath9k/wmi.c +++ b/drivers/net/wireless/ath/ath9k/wmi.c @@ -123,12 +123,8 @@ void ath9k_deinit_wmi(struct ath9k_htc_priv *priv) void ath9k_swba_tasklet(unsigned long data) { struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *)data; - struct ath_common *common = ath9k_hw_common(priv->ah); - - ath_dbg(common, ATH_DBG_WMI, "SWBA Event received\n"); ath9k_htc_swba(priv, priv->wmi->beacon_pending); - } void ath9k_fatal_work(struct work_struct *work) |