diff options
Diffstat (limited to 'drivers/net/wireless/rsi/rsi_91x_mac80211.c')
| -rw-r--r-- | drivers/net/wireless/rsi/rsi_91x_mac80211.c | 106 |
1 files changed, 94 insertions, 12 deletions
diff --git a/drivers/net/wireless/rsi/rsi_91x_mac80211.c b/drivers/net/wireless/rsi/rsi_91x_mac80211.c index e56fc83faf0e..831046e760f8 100644 --- a/drivers/net/wireless/rsi/rsi_91x_mac80211.c +++ b/drivers/net/wireless/rsi/rsi_91x_mac80211.c @@ -229,6 +229,69 @@ static void rsi_register_rates_channels(struct rsi_hw *adapter, int band) /* sbands->ht_cap.mcs.rx_highest = 0x82; */ } +static int rsi_mac80211_hw_scan_start(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_scan_request *hw_req) +{ + struct cfg80211_scan_request *scan_req = &hw_req->req; + struct rsi_hw *adapter = hw->priv; + struct rsi_common *common = adapter->priv; + struct ieee80211_bss_conf *bss = &vif->bss_conf; + + rsi_dbg(INFO_ZONE, "***** Hardware scan start *****\n"); + common->mac_ops_resumed = false; + + if (common->fsm_state != FSM_MAC_INIT_DONE) + return -ENODEV; + + if ((common->wow_flags & RSI_WOW_ENABLED) || + scan_req->n_channels == 0) + return -EINVAL; + + /* Scan already in progress. So return */ + if (common->bgscan_en) + return -EBUSY; + + /* If STA is not connected, return with special value 1, in order + * to start sw_scan in mac80211 + */ + if (!bss->assoc) + return 1; + + mutex_lock(&common->mutex); + common->hwscan = scan_req; + if (!rsi_send_bgscan_params(common, RSI_START_BGSCAN)) { + if (!rsi_send_bgscan_probe_req(common, vif)) { + rsi_dbg(INFO_ZONE, "Background scan started...\n"); + common->bgscan_en = true; + } + } + mutex_unlock(&common->mutex); + + return 0; +} + +static void rsi_mac80211_cancel_hw_scan(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + struct rsi_hw *adapter = hw->priv; + struct rsi_common *common = adapter->priv; + struct cfg80211_scan_info info; + + rsi_dbg(INFO_ZONE, "***** Hardware scan stop *****\n"); + mutex_lock(&common->mutex); + + if (common->bgscan_en) { + if (!rsi_send_bgscan_params(common, RSI_STOP_BGSCAN)) + common->bgscan_en = false; + info.aborted = false; + ieee80211_scan_completed(adapter->hw, &info); + rsi_dbg(INFO_ZONE, "Back ground scan cancelled\n"); + } + common->hwscan = NULL; + mutex_unlock(&common->mutex); +} + /** * rsi_mac80211_detach() - This function is used to de-initialize the * Mac80211 stack. @@ -308,6 +371,10 @@ static void rsi_mac80211_tx(struct ieee80211_hw *hw, { struct rsi_hw *adapter = hw->priv; struct rsi_common *common = adapter->priv; + struct ieee80211_hdr *wlh = (struct ieee80211_hdr *)skb->data; + + if (ieee80211_is_auth(wlh->frame_control)) + common->mac_ops_resumed = false; rsi_core_xmit(common, skb); } @@ -615,7 +682,8 @@ static int rsi_mac80211_config(struct ieee80211_hw *hw, } /* Power save parameters */ - if (changed & IEEE80211_CONF_CHANGE_PS) { + if ((changed & IEEE80211_CONF_CHANGE_PS) && + !common->mac_ops_resumed) { struct ieee80211_vif *vif, *sta_vif = NULL; unsigned long flags; int i, set_ps = 1; @@ -748,15 +816,15 @@ static void rsi_mac80211_bss_info_changed(struct ieee80211_hw *hw, adapter->ps_info.dtim_interval_duration = bss->dtim_period; adapter->ps_info.listen_interval = conf->listen_interval; - /* If U-APSD is updated, send ps parameters to firmware */ - if (bss->assoc) { - if (common->uapsd_bitmap) { - rsi_dbg(INFO_ZONE, "Configuring UAPSD\n"); - rsi_conf_uapsd(adapter, vif); + /* If U-APSD is updated, send ps parameters to firmware */ + if (bss->assoc) { + if (common->uapsd_bitmap) { + rsi_dbg(INFO_ZONE, "Configuring UAPSD\n"); + rsi_conf_uapsd(adapter, vif); + } + } else { + common->uapsd_bitmap = 0; } - } else { - common->uapsd_bitmap = 0; - } } if (changed & BSS_CHANGED_CQM) { @@ -1270,7 +1338,7 @@ static void rsi_fill_rx_status(struct ieee80211_hw *hw, } /** - * rsi_indicate_pkt_to_os() - This function sends recieved packet to mac80211. + * rsi_indicate_pkt_to_os() - This function sends received packet to mac80211. * @common: Pointer to the driver private structure. * @skb: Pointer to the socket buffer structure. * @@ -1833,6 +1901,10 @@ int rsi_config_wowlan(struct rsi_hw *adapter, struct cfg80211_wowlan *wowlan) return 0; } rsi_dbg(INFO_ZONE, "TRIGGERS %x\n", triggers); + + if (common->coex_mode > 1) + rsi_disable_ps(adapter, adapter->vifs[0]); + rsi_send_wowlan_request(common, triggers, 1); /** @@ -1876,8 +1948,13 @@ static int rsi_mac80211_resume(struct ieee80211_hw *hw) rsi_dbg(INFO_ZONE, "%s: mac80211 resume\n", __func__); - if (common->hibernate_resume) - return 0; + if (common->hibernate_resume) { + common->mac_ops_resumed = true; + /* Device need a complete restart of all MAC operations. + * returning 1 will serve this purpose. + */ + return 1; + } mutex_lock(&common->mutex); rsi_send_wowlan_request(common, 0, 0); @@ -1917,6 +1994,8 @@ static const struct ieee80211_ops mac80211_ops = { .suspend = rsi_mac80211_suspend, .resume = rsi_mac80211_resume, #endif + .hw_scan = rsi_mac80211_hw_scan_start, + .cancel_hw_scan = rsi_mac80211_cancel_hw_scan, }; /** @@ -1999,6 +2078,9 @@ int rsi_mac80211_attach(struct rsi_common *common) common->max_stations = wiphy->max_ap_assoc_sta; rsi_dbg(ERR_ZONE, "Max Stations Allowed = %d\n", common->max_stations); hw->sta_data_size = sizeof(struct rsi_sta); + + wiphy->max_scan_ssids = RSI_MAX_SCAN_SSIDS; + wiphy->max_scan_ie_len = RSI_MAX_SCAN_IE_LEN; wiphy->flags = WIPHY_FLAG_REPORTS_OBSS; wiphy->flags |= WIPHY_FLAG_AP_UAPSD; wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER; |