diff options
Diffstat (limited to 'drivers/net/wireless/ti/wl18xx/event.c')
| -rw-r--r-- | drivers/net/wireless/ti/wl18xx/event.c | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/drivers/net/wireless/ti/wl18xx/event.c b/drivers/net/wireless/ti/wl18xx/event.c new file mode 100644 index 0000000..86fa0fc --- /dev/null +++ b/drivers/net/wireless/ti/wl18xx/event.c @@ -0,0 +1,250 @@ +/* + * This file is part of wl12xx + * + * Copyright (C) 2012 Texas Instruments. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include <net/genetlink.h> +#include "event.h" +#include "scan.h" +#include "conf.h" +#include "../wlcore/cmd.h" +#include "../wlcore/debug.h" +#include "../wlcore/vendor_cmd.h" + +int wl18xx_wait_for_event(struct wl1271 *wl, enum wlcore_wait_event event, + bool *timeout) +{ + u32 local_event; + + switch (event) { + case WLCORE_EVENT_PEER_REMOVE_COMPLETE: + local_event = PEER_REMOVE_COMPLETE_EVENT_ID; + break; + + case WLCORE_EVENT_DFS_CONFIG_COMPLETE: + local_event = DFS_CHANNELS_CONFIG_COMPLETE_EVENT; + break; + + default: + /* event not implemented */ + return 0; + } + return wlcore_cmd_wait_for_event_or_timeout(wl, local_event, timeout); +} + +static const char *wl18xx_radar_type_decode(u8 radar_type) +{ + switch (radar_type) { + case RADAR_TYPE_REGULAR: + return "REGULAR"; + case RADAR_TYPE_CHIRP: + return "CHIRP"; + case RADAR_TYPE_NONE: + default: + return "N/A"; + } +} + +static int wlcore_smart_config_sync_event(struct wl1271 *wl, u8 sync_channel, + u8 sync_band) +{ + struct sk_buff *skb; + enum nl80211_band band; + int freq; + + if (sync_band == WLCORE_BAND_5GHZ) + band = NL80211_BAND_5GHZ; + else + band = NL80211_BAND_2GHZ; + + freq = ieee80211_channel_to_frequency(sync_channel, band); + + wl1271_debug(DEBUG_EVENT, + "SMART_CONFIG_SYNC_EVENT_ID, freq: %d (chan: %d band %d)", + freq, sync_channel, sync_band); + skb = cfg80211_vendor_event_alloc(wl->hw->wiphy, NULL, 20, + WLCORE_VENDOR_EVENT_SC_SYNC, + GFP_KERNEL); + + if (nla_put_u32(skb, WLCORE_VENDOR_ATTR_FREQ, freq)) { + kfree_skb(skb); + return -EMSGSIZE; + } + cfg80211_vendor_event(skb, GFP_KERNEL); + return 0; +} + +static int wlcore_smart_config_decode_event(struct wl1271 *wl, + u8 ssid_len, u8 *ssid, + u8 pwd_len, u8 *pwd) +{ + struct sk_buff *skb; + + wl1271_debug(DEBUG_EVENT, "SMART_CONFIG_DECODE_EVENT_ID"); + wl1271_dump_ascii(DEBUG_EVENT, "SSID:", ssid, ssid_len); + + skb = cfg80211_vendor_event_alloc(wl->hw->wiphy, NULL, + ssid_len + pwd_len + 20, + WLCORE_VENDOR_EVENT_SC_DECODE, + GFP_KERNEL); + + if (nla_put(skb, WLCORE_VENDOR_ATTR_SSID, ssid_len, ssid) || + nla_put(skb, WLCORE_VENDOR_ATTR_PSK, pwd_len, pwd)) { + kfree_skb(skb); + return -EMSGSIZE; + } + cfg80211_vendor_event(skb, GFP_KERNEL); + return 0; +} + +static void wlcore_event_time_sync(struct wl1271 *wl, + u16 tsf_high_msb, u16 tsf_high_lsb, + u16 tsf_low_msb, u16 tsf_low_lsb) +{ + u32 clock_low; + u32 clock_high; + + clock_high = (tsf_high_msb << 16) | tsf_high_lsb; + clock_low = (tsf_low_msb << 16) | tsf_low_lsb; + + wl1271_info("TIME_SYNC_EVENT_ID: clock_high %u, clock low %u", + clock_high, clock_low); +} + +int wl18xx_process_mailbox_events(struct wl1271 *wl) +{ + struct wl18xx_event_mailbox *mbox = wl->mbox; + u32 vector; + + vector = le32_to_cpu(mbox->events_vector); + wl1271_debug(DEBUG_EVENT, "MBOX vector: 0x%x", vector); + + if (vector & SCAN_COMPLETE_EVENT_ID) { + wl1271_debug(DEBUG_EVENT, "scan results: %d", + mbox->number_of_scan_results); + + if (wl->scan_wlvif) + wl18xx_scan_completed(wl, wl->scan_wlvif); + } + + if (vector & TIME_SYNC_EVENT_ID) + wlcore_event_time_sync(wl, + mbox->time_sync_tsf_high_msb, + mbox->time_sync_tsf_high_lsb, + mbox->time_sync_tsf_low_msb, + mbox->time_sync_tsf_low_lsb); + + if (vector & RADAR_DETECTED_EVENT_ID) { + wl1271_info("radar event: channel %d type %s", + mbox->radar_channel, + wl18xx_radar_type_decode(mbox->radar_type)); + + if (!wl->radar_debug_mode) + ieee80211_radar_detected(wl->hw); + } + + if (vector & PERIODIC_SCAN_REPORT_EVENT_ID) { + wl1271_debug(DEBUG_EVENT, + "PERIODIC_SCAN_REPORT_EVENT (results %d)", + mbox->number_of_sched_scan_results); + + wlcore_scan_sched_scan_results(wl); + } + + if (vector & PERIODIC_SCAN_COMPLETE_EVENT_ID) + wlcore_event_sched_scan_completed(wl, 1); + + if (vector & RSSI_SNR_TRIGGER_0_EVENT_ID) + wlcore_event_rssi_trigger(wl, mbox->rssi_snr_trigger_metric); + + if (vector & BA_SESSION_RX_CONSTRAINT_EVENT_ID) + wlcore_event_ba_rx_constraint(wl, + le16_to_cpu(mbox->rx_ba_role_id_bitmap), + le16_to_cpu(mbox->rx_ba_allowed_bitmap)); + + if (vector & BSS_LOSS_EVENT_ID) + wlcore_event_beacon_loss(wl, + le16_to_cpu(mbox->bss_loss_bitmap)); + + if (vector & CHANNEL_SWITCH_COMPLETE_EVENT_ID) + wlcore_event_channel_switch(wl, + le16_to_cpu(mbox->channel_switch_role_id_bitmap), + true); + + if (vector & DUMMY_PACKET_EVENT_ID) + wlcore_event_dummy_packet(wl); + + /* + * "TX retries exceeded" has a different meaning according to mode. + * In AP mode the offending station is disconnected. + */ + if (vector & MAX_TX_FAILURE_EVENT_ID) + wlcore_event_max_tx_failure(wl, + le16_to_cpu(mbox->tx_retry_exceeded_bitmap)); + + if (vector & INACTIVE_STA_EVENT_ID) + wlcore_event_inactive_sta(wl, + le16_to_cpu(mbox->inactive_sta_bitmap)); + + if (vector & REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID) + wlcore_event_roc_complete(wl); + + if (vector & SMART_CONFIG_SYNC_EVENT_ID) + wlcore_smart_config_sync_event(wl, mbox->sc_sync_channel, + mbox->sc_sync_band); + + if (vector & SMART_CONFIG_DECODE_EVENT_ID) + wlcore_smart_config_decode_event(wl, + mbox->sc_ssid_len, + mbox->sc_ssid, + mbox->sc_pwd_len, + mbox->sc_pwd); + if (vector & FW_LOGGER_INDICATION) + wlcore_event_fw_logger(wl); + + if (vector & RX_BA_WIN_SIZE_CHANGE_EVENT_ID) { + struct wl12xx_vif *wlvif; + struct ieee80211_vif *vif; + struct ieee80211_sta *sta; + u8 link_id = mbox->rx_ba_link_id; + u8 win_size = mbox->rx_ba_win_size; + const u8 *addr; + + wlvif = wl->links[link_id].wlvif; + vif = wl12xx_wlvif_to_vif(wlvif); + + /* Update RX aggregation window size and call + * MAC routine to stop active RX aggregations for this link + */ + if (wlvif->bss_type != BSS_TYPE_AP_BSS) + addr = vif->bss_conf.bssid; + else + addr = wl->links[link_id].addr; + + sta = ieee80211_find_sta(vif, addr); + if (sta) { + sta->max_rx_aggregation_subframes = win_size; + ieee80211_stop_rx_ba_session(vif, + wl->links[link_id].ba_bitmap, + addr); + } + } + + return 0; +} |