1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * This file is part of wl12xx 4 * 5 * Copyright (C) 2012 Texas Instruments. All rights reserved. 6 */ 7 8 #include <net/genetlink.h> 9 #include "event.h" 10 #include "scan.h" 11 #include "conf.h" 12 #include "../wlcore/cmd.h" 13 #include "../wlcore/debug.h" 14 #include "../wlcore/vendor_cmd.h" 15 16 int wl18xx_wait_for_event(struct wl1271 *wl, enum wlcore_wait_event event, 17 bool *timeout) 18 { 19 u32 local_event; 20 21 switch (event) { 22 case WLCORE_EVENT_PEER_REMOVE_COMPLETE: 23 local_event = PEER_REMOVE_COMPLETE_EVENT_ID; 24 break; 25 26 case WLCORE_EVENT_DFS_CONFIG_COMPLETE: 27 local_event = DFS_CHANNELS_CONFIG_COMPLETE_EVENT; 28 break; 29 30 default: 31 /* event not implemented */ 32 return 0; 33 } 34 return wlcore_cmd_wait_for_event_or_timeout(wl, local_event, timeout); 35 } 36 37 static const char *wl18xx_radar_type_decode(u8 radar_type) 38 { 39 switch (radar_type) { 40 case RADAR_TYPE_REGULAR: 41 return "REGULAR"; 42 case RADAR_TYPE_CHIRP: 43 return "CHIRP"; 44 case RADAR_TYPE_NONE: 45 default: 46 return "N/A"; 47 } 48 } 49 50 static int wlcore_smart_config_sync_event(struct wl1271 *wl, u8 sync_channel, 51 u8 sync_band) 52 { 53 struct sk_buff *skb; 54 enum nl80211_band band; 55 int freq; 56 57 if (sync_band == WLCORE_BAND_5GHZ) 58 band = NL80211_BAND_5GHZ; 59 else 60 band = NL80211_BAND_2GHZ; 61 62 freq = ieee80211_channel_to_frequency(sync_channel, band); 63 64 wl1271_debug(DEBUG_EVENT, 65 "SMART_CONFIG_SYNC_EVENT_ID, freq: %d (chan: %d band %d)", 66 freq, sync_channel, sync_band); 67 skb = cfg80211_vendor_event_alloc(wl->hw->wiphy, NULL, 20, 68 WLCORE_VENDOR_EVENT_SC_SYNC, 69 GFP_KERNEL); 70 71 if (nla_put_u32(skb, WLCORE_VENDOR_ATTR_FREQ, freq)) { 72 kfree_skb(skb); 73 return -EMSGSIZE; 74 } 75 cfg80211_vendor_event(skb, GFP_KERNEL); 76 return 0; 77 } 78 79 static int wlcore_smart_config_decode_event(struct wl1271 *wl, 80 u8 ssid_len, u8 *ssid, 81 u8 pwd_len, u8 *pwd) 82 { 83 struct sk_buff *skb; 84 85 wl1271_debug(DEBUG_EVENT, "SMART_CONFIG_DECODE_EVENT_ID"); 86 wl1271_dump_ascii(DEBUG_EVENT, "SSID:", ssid, ssid_len); 87 88 skb = cfg80211_vendor_event_alloc(wl->hw->wiphy, NULL, 89 ssid_len + pwd_len + 20, 90 WLCORE_VENDOR_EVENT_SC_DECODE, 91 GFP_KERNEL); 92 93 if (nla_put(skb, WLCORE_VENDOR_ATTR_SSID, ssid_len, ssid) || 94 nla_put(skb, WLCORE_VENDOR_ATTR_PSK, pwd_len, pwd)) { 95 kfree_skb(skb); 96 return -EMSGSIZE; 97 } 98 cfg80211_vendor_event(skb, GFP_KERNEL); 99 return 0; 100 } 101 102 static void wlcore_event_time_sync(struct wl1271 *wl, 103 u16 tsf_high_msb, u16 tsf_high_lsb, 104 u16 tsf_low_msb, u16 tsf_low_lsb) 105 { 106 u32 clock_low; 107 u32 clock_high; 108 109 clock_high = (tsf_high_msb << 16) | tsf_high_lsb; 110 clock_low = (tsf_low_msb << 16) | tsf_low_lsb; 111 112 wl1271_info("TIME_SYNC_EVENT_ID: clock_high %u, clock low %u", 113 clock_high, clock_low); 114 } 115 116 int wl18xx_process_mailbox_events(struct wl1271 *wl) 117 { 118 struct wl18xx_event_mailbox *mbox = wl->mbox; 119 u32 vector; 120 121 vector = le32_to_cpu(mbox->events_vector); 122 wl1271_debug(DEBUG_EVENT, "MBOX vector: 0x%x", vector); 123 124 if (vector & SCAN_COMPLETE_EVENT_ID) { 125 wl1271_debug(DEBUG_EVENT, "scan results: %d", 126 mbox->number_of_scan_results); 127 128 if (wl->scan_wlvif) 129 wl18xx_scan_completed(wl, wl->scan_wlvif); 130 } 131 132 if (vector & TIME_SYNC_EVENT_ID) 133 wlcore_event_time_sync(wl, 134 le16_to_cpu(mbox->time_sync_tsf_high_msb), 135 le16_to_cpu(mbox->time_sync_tsf_high_lsb), 136 le16_to_cpu(mbox->time_sync_tsf_low_msb), 137 le16_to_cpu(mbox->time_sync_tsf_low_lsb)); 138 139 if (vector & RADAR_DETECTED_EVENT_ID) { 140 wl1271_info("radar event: channel %d type %s", 141 mbox->radar_channel, 142 wl18xx_radar_type_decode(mbox->radar_type)); 143 144 if (!wl->radar_debug_mode) 145 ieee80211_radar_detected(wl->hw); 146 } 147 148 if (vector & PERIODIC_SCAN_REPORT_EVENT_ID) { 149 wl1271_debug(DEBUG_EVENT, 150 "PERIODIC_SCAN_REPORT_EVENT (results %d)", 151 mbox->number_of_sched_scan_results); 152 153 wlcore_scan_sched_scan_results(wl); 154 } 155 156 if (vector & PERIODIC_SCAN_COMPLETE_EVENT_ID) 157 wlcore_event_sched_scan_completed(wl, 1); 158 159 if (vector & RSSI_SNR_TRIGGER_0_EVENT_ID) 160 wlcore_event_rssi_trigger(wl, mbox->rssi_snr_trigger_metric); 161 162 if (vector & BA_SESSION_RX_CONSTRAINT_EVENT_ID) 163 wlcore_event_ba_rx_constraint(wl, 164 le16_to_cpu(mbox->rx_ba_role_id_bitmap), 165 le16_to_cpu(mbox->rx_ba_allowed_bitmap)); 166 167 if (vector & BSS_LOSS_EVENT_ID) 168 wlcore_event_beacon_loss(wl, 169 le16_to_cpu(mbox->bss_loss_bitmap)); 170 171 if (vector & CHANNEL_SWITCH_COMPLETE_EVENT_ID) 172 wlcore_event_channel_switch(wl, 173 le16_to_cpu(mbox->channel_switch_role_id_bitmap), 174 true); 175 176 if (vector & DUMMY_PACKET_EVENT_ID) 177 wlcore_event_dummy_packet(wl); 178 179 /* 180 * "TX retries exceeded" has a different meaning according to mode. 181 * In AP mode the offending station is disconnected. 182 */ 183 if (vector & MAX_TX_FAILURE_EVENT_ID) 184 wlcore_event_max_tx_failure(wl, 185 le16_to_cpu(mbox->tx_retry_exceeded_bitmap)); 186 187 if (vector & INACTIVE_STA_EVENT_ID) 188 wlcore_event_inactive_sta(wl, 189 le16_to_cpu(mbox->inactive_sta_bitmap)); 190 191 if (vector & REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID) 192 wlcore_event_roc_complete(wl); 193 194 if (vector & SMART_CONFIG_SYNC_EVENT_ID) 195 wlcore_smart_config_sync_event(wl, mbox->sc_sync_channel, 196 mbox->sc_sync_band); 197 198 if (vector & SMART_CONFIG_DECODE_EVENT_ID) 199 wlcore_smart_config_decode_event(wl, 200 mbox->sc_ssid_len, 201 mbox->sc_ssid, 202 mbox->sc_pwd_len, 203 mbox->sc_pwd); 204 if (vector & FW_LOGGER_INDICATION) 205 wlcore_event_fw_logger(wl); 206 207 if (vector & RX_BA_WIN_SIZE_CHANGE_EVENT_ID) { 208 struct wl12xx_vif *wlvif; 209 struct ieee80211_vif *vif; 210 struct ieee80211_sta *sta; 211 u8 link_id = mbox->rx_ba_link_id; 212 u8 win_size = mbox->rx_ba_win_size; 213 const u8 *addr; 214 215 wlvif = wl->links[link_id].wlvif; 216 vif = wl12xx_wlvif_to_vif(wlvif); 217 218 /* Update RX aggregation window size and call 219 * MAC routine to stop active RX aggregations for this link 220 */ 221 if (wlvif->bss_type != BSS_TYPE_AP_BSS) 222 addr = vif->bss_conf.bssid; 223 else 224 addr = wl->links[link_id].addr; 225 226 sta = ieee80211_find_sta(vif, addr); 227 if (sta) { 228 sta->max_rx_aggregation_subframes = win_size; 229 ieee80211_stop_rx_ba_session(vif, 230 wl->links[link_id].ba_bitmap, 231 addr); 232 } 233 } 234 235 return 0; 236 } 237