diff options
Diffstat (limited to 'drivers/net/wireless/iwlegacy/4965-mac.c')
| -rw-r--r-- | drivers/net/wireless/iwlegacy/4965-mac.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/drivers/net/wireless/iwlegacy/4965-mac.c b/drivers/net/wireless/iwlegacy/4965-mac.c index 9a95045c97b..b9b2bb51e60 100644 --- a/drivers/net/wireless/iwlegacy/4965-mac.c +++ b/drivers/net/wireless/iwlegacy/4965-mac.c @@ -588,6 +588,11 @@ il4965_pass_packet_to_mac80211(struct il_priv *il, struct ieee80211_hdr *hdr, return; } + if (unlikely(test_bit(IL_STOP_REASON_PASSIVE, &il->stop_reason))) { + il_wake_queues_by_reason(il, IL_STOP_REASON_PASSIVE); + D_INFO("Woke queues - frame received on passive channel\n"); + } + /* In case of HW accelerated crypto and bad decryption, drop */ if (!il->cfg->mod_params->sw_crypto && il_set_decrypted_flag(il, hdr, ampdu_status, stats)) @@ -2806,6 +2811,19 @@ il4965_hdl_tx(struct il_priv *il, struct il_rx_buf *rxb) return; } + /* + * Firmware will not transmit frame on passive channel, if it not yet + * received some valid frame on that channel. When this error happen + * we have to wait until firmware will unblock itself i.e. when we + * note received beacon or other frame. We unblock queues in + * il4965_pass_packet_to_mac80211 or in il_mac_bss_info_changed. + */ + if (unlikely((status & TX_STATUS_MSK) == TX_STATUS_FAIL_PASSIVE_NO_RX) && + il->iw_mode == NL80211_IFTYPE_STATION) { + il_stop_queues_by_reason(il, IL_STOP_REASON_PASSIVE); + D_INFO("Stopped queues - RX waiting on passive channel\n"); + } + spin_lock_irqsave(&il->sta_lock, flags); if (txq->sched_retry) { const u32 scd_ssn = il4965_get_scd_ssn(tx_resp); @@ -4567,7 +4585,7 @@ il4965_store_debug_level(struct device *d, struct device_attribute *attr, unsigned long val; int ret; - ret = strict_strtoul(buf, 0, &val); + ret = kstrtoul(buf, 0, &val); if (ret) IL_ERR("%s is not in hex or decimal form.\n", buf); else @@ -4614,7 +4632,7 @@ il4965_store_tx_power(struct device *d, struct device_attribute *attr, unsigned long val; int ret; - ret = strict_strtoul(buf, 10, &val); + ret = kstrtoul(buf, 10, &val); if (ret) IL_INFO("%s is not in decimal form.\n", buf); else { @@ -5741,7 +5759,8 @@ il4965_mac_setup_register(struct il_priv *il, u32 max_probe_length) hw->flags = IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_AMPDU_AGGREGATION | IEEE80211_HW_NEED_DTIM_BEFORE_ASSOC | IEEE80211_HW_SPECTRUM_MGMT | - IEEE80211_HW_SUPPORTS_PS | IEEE80211_HW_SUPPORTS_DYNAMIC_PS; + IEEE80211_HW_REPORTS_TX_ACK_STATUS | IEEE80211_HW_SUPPORTS_PS | + IEEE80211_HW_SUPPORTS_DYNAMIC_PS; if (il->cfg->sku & IL_SKU_N) hw->flags |= IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS | |