| // SPDX-License-Identifier: GPL-2.0-only |
| /* |
| * This file is part of wl12xx |
| * |
| * Copyright (C) 2012 Texas Instruments. All rights reserved. |
| */ |
| |
| #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, |
| le16_to_cpu(mbox->time_sync_tsf_high_msb), |
| le16_to_cpu(mbox->time_sync_tsf_high_lsb), |
| le16_to_cpu(mbox->time_sync_tsf_low_msb), |
| le16_to_cpu(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; |
| } |
