diff options
Diffstat (limited to 'drivers/net/wireless/ath/wcn36xx/main.c')
| -rw-r--r-- | drivers/net/wireless/ath/wcn36xx/main.c | 74 |
1 files changed, 62 insertions, 12 deletions
diff --git a/drivers/net/wireless/ath/wcn36xx/main.c b/drivers/net/wireless/ath/wcn36xx/main.c index b04533bbc3a4..9575d7373bf2 100644 --- a/drivers/net/wireless/ath/wcn36xx/main.c +++ b/drivers/net/wireless/ath/wcn36xx/main.c @@ -402,6 +402,7 @@ static void wcn36xx_change_opchannel(struct wcn36xx *wcn, int ch) static int wcn36xx_config(struct ieee80211_hw *hw, u32 changed) { struct wcn36xx *wcn = hw->priv; + int ret; wcn36xx_dbg(WCN36XX_DBG_MAC, "mac config changed 0x%08x\n", changed); @@ -417,17 +418,31 @@ static int wcn36xx_config(struct ieee80211_hw *hw, u32 changed) * want to receive/transmit regular data packets, then * simply stop the scan session and exit PS mode. */ - wcn36xx_smd_finish_scan(wcn, HAL_SYS_MODE_SCAN, - wcn->sw_scan_vif); - wcn->sw_scan_channel = 0; + if (wcn->sw_scan_channel) + wcn36xx_smd_end_scan(wcn, wcn->sw_scan_channel); + if (wcn->sw_scan_init) { + wcn36xx_smd_finish_scan(wcn, HAL_SYS_MODE_SCAN, + wcn->sw_scan_vif); + } } else if (wcn->sw_scan) { /* A scan is ongoing, do not change the operating * channel, but start a scan session on the channel. */ - wcn36xx_smd_init_scan(wcn, HAL_SYS_MODE_SCAN, - wcn->sw_scan_vif); + if (wcn->sw_scan_channel) + wcn36xx_smd_end_scan(wcn, wcn->sw_scan_channel); + if (!wcn->sw_scan_init) { + /* This can fail if we are unable to notify the + * operating channel. + */ + ret = wcn36xx_smd_init_scan(wcn, + HAL_SYS_MODE_SCAN, + wcn->sw_scan_vif); + if (ret) { + mutex_unlock(&wcn->conf_mutex); + return -EIO; + } + } wcn36xx_smd_start_scan(wcn, ch); - wcn->sw_scan_channel = ch; } else { wcn36xx_change_opchannel(wcn, ch); } @@ -707,6 +722,8 @@ static void wcn36xx_sw_scan_start(struct ieee80211_hw *hw, struct wcn36xx *wcn = hw->priv; struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); + wcn36xx_dbg(WCN36XX_DBG_MAC, "sw_scan_start"); + wcn->sw_scan = true; wcn->sw_scan_vif = vif; wcn->sw_scan_channel = 0; @@ -721,8 +738,15 @@ static void wcn36xx_sw_scan_complete(struct ieee80211_hw *hw, { struct wcn36xx *wcn = hw->priv; + wcn36xx_dbg(WCN36XX_DBG_MAC, "sw_scan_complete"); + /* ensure that any scan session is finished */ - wcn36xx_smd_finish_scan(wcn, HAL_SYS_MODE_SCAN, wcn->sw_scan_vif); + if (wcn->sw_scan_channel) + wcn36xx_smd_end_scan(wcn, wcn->sw_scan_channel); + if (wcn->sw_scan_init) { + wcn36xx_smd_finish_scan(wcn, HAL_SYS_MODE_SCAN, + wcn->sw_scan_vif); + } wcn->sw_scan = false; wcn->sw_scan_opchannel = 0; } @@ -910,6 +934,8 @@ static void wcn36xx_bss_info_changed(struct ieee80211_hw *hw, * place where AID is available. */ wcn36xx_smd_config_sta(wcn, vif, sta); + if (vif->type == NL80211_IFTYPE_STATION) + wcn36xx_smd_add_beacon_filter(wcn, vif); wcn36xx_enable_keep_alive_null_packet(wcn, vif); } else { wcn36xx_dbg(WCN36XX_DBG_MAC, @@ -1196,7 +1222,7 @@ static int wcn36xx_ampdu_action(struct ieee80211_hw *hw, u16 tid = params->tid; u16 *ssn = ¶ms->ssn; int ret = 0; - u8 session; + int session; wcn36xx_dbg(WCN36XX_DBG_MAC, "mac ampdu action action %d tid %d\n", action, tid); @@ -1208,9 +1234,11 @@ static int wcn36xx_ampdu_action(struct ieee80211_hw *hw, sta_priv->tid = tid; session = wcn36xx_smd_add_ba_session(wcn, sta, tid, ssn, 0, get_sta_index(vif, sta_priv)); + if (session < 0) { + ret = session; + goto out; + } wcn36xx_smd_add_ba(wcn, session); - wcn36xx_smd_trigger_ba(wcn, get_sta_index(vif, sta_priv), tid, - session); break; case IEEE80211_AMPDU_RX_STOP: wcn36xx_smd_del_ba(wcn, tid, 0, get_sta_index(vif, sta_priv)); @@ -1220,6 +1248,18 @@ static int wcn36xx_ampdu_action(struct ieee80211_hw *hw, sta_priv->ampdu_state[tid] = WCN36XX_AMPDU_START; spin_unlock_bh(&sta_priv->ampdu_lock); + /* Replace the mac80211 ssn with the firmware one */ + wcn36xx_dbg(WCN36XX_DBG_MAC, "mac ampdu ssn = %u\n", *ssn); + wcn36xx_smd_trigger_ba(wcn, get_sta_index(vif, sta_priv), tid, ssn); + wcn36xx_dbg(WCN36XX_DBG_MAC, "mac ampdu fw-ssn = %u\n", *ssn); + + /* Start BA session */ + session = wcn36xx_smd_add_ba_session(wcn, sta, tid, ssn, 1, + get_sta_index(vif, sta_priv)); + if (session < 0) { + ret = session; + goto out; + } ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; break; case IEEE80211_AMPDU_TX_OPERATIONAL: @@ -1227,8 +1267,6 @@ static int wcn36xx_ampdu_action(struct ieee80211_hw *hw, sta_priv->ampdu_state[tid] = WCN36XX_AMPDU_OPERATIONAL; spin_unlock_bh(&sta_priv->ampdu_lock); - wcn36xx_smd_add_ba_session(wcn, sta, tid, ssn, 1, - get_sta_index(vif, sta_priv)); break; case IEEE80211_AMPDU_TX_STOP_FLUSH: case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: @@ -1244,6 +1282,7 @@ static int wcn36xx_ampdu_action(struct ieee80211_hw *hw, wcn36xx_err("Unknown AMPDU action\n"); } +out: mutex_unlock(&wcn->conf_mutex); return ret; @@ -1277,6 +1316,16 @@ static void wcn36xx_ipv6_addr_change(struct ieee80211_hw *hw, } #endif +static void wcn36xx_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + u32 queues, bool drop) +{ + struct wcn36xx *wcn = hw->priv; + + if (wcn36xx_dxe_tx_flush(wcn)) { + wcn36xx_err("Failed to flush hardware tx queues\n"); + } +} + static const struct ieee80211_ops wcn36xx_ops = { .start = wcn36xx_start, .stop = wcn36xx_stop, @@ -1304,6 +1353,7 @@ static const struct ieee80211_ops wcn36xx_ops = { #if IS_ENABLED(CONFIG_IPV6) .ipv6_addr_change = wcn36xx_ipv6_addr_change, #endif + .flush = wcn36xx_flush, CFG80211_TESTMODE_CMD(wcn36xx_tm_cmd) }; 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