1 /* 2 * This file is part of wl12xx 3 * 4 * Copyright (C) 2012 Texas Instruments. All rights reserved. 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License 8 * version 2 as published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope that it will be useful, but 11 * WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 18 * 02110-1301 USA 19 * 20 */ 21 22 #include <net/genetlink.h> 23 #include "event.h" 24 #include "scan.h" 25 #include "../wlcore/cmd.h" 26 #include "../wlcore/debug.h" 27 #include "../wlcore/vendor_cmd.h" 28 29 int wl18xx_wait_for_event(struct wl1271 *wl, enum wlcore_wait_event event, 30 bool *timeout) 31 { 32 u32 local_event; 33 34 switch (event) { 35 case WLCORE_EVENT_PEER_REMOVE_COMPLETE: 36 local_event = PEER_REMOVE_COMPLETE_EVENT_ID; 37 break; 38 39 case WLCORE_EVENT_DFS_CONFIG_COMPLETE: 40 local_event = DFS_CHANNELS_CONFIG_COMPLETE_EVENT; 41 break; 42 43 default: 44 /* event not implemented */ 45 return 0; 46 } 47 return wlcore_cmd_wait_for_event_or_timeout(wl, local_event, timeout); 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 ieee80211_band band; 55 int freq; 56 57 if (sync_band == WLCORE_BAND_5GHZ) 58 band = IEEE80211_BAND_5GHZ; 59 else 60 band = IEEE80211_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, 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, 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 int wl18xx_process_mailbox_events(struct wl1271 *wl) 103 { 104 struct wl18xx_event_mailbox *mbox = wl->mbox; 105 u32 vector; 106 107 vector = le32_to_cpu(mbox->events_vector); 108 wl1271_debug(DEBUG_EVENT, "MBOX vector: 0x%x", vector); 109 110 if (vector & SCAN_COMPLETE_EVENT_ID) { 111 wl1271_debug(DEBUG_EVENT, "scan results: %d", 112 mbox->number_of_scan_results); 113 114 if (wl->scan_wlvif) 115 wl18xx_scan_completed(wl, wl->scan_wlvif); 116 } 117 118 if (vector & PERIODIC_SCAN_REPORT_EVENT_ID) { 119 wl1271_debug(DEBUG_EVENT, 120 "PERIODIC_SCAN_REPORT_EVENT (results %d)", 121 mbox->number_of_sched_scan_results); 122 123 wlcore_scan_sched_scan_results(wl); 124 } 125 126 if (vector & PERIODIC_SCAN_COMPLETE_EVENT_ID) 127 wlcore_event_sched_scan_completed(wl, 1); 128 129 if (vector & RSSI_SNR_TRIGGER_0_EVENT_ID) 130 wlcore_event_rssi_trigger(wl, mbox->rssi_snr_trigger_metric); 131 132 if (vector & BA_SESSION_RX_CONSTRAINT_EVENT_ID) 133 wlcore_event_ba_rx_constraint(wl, 134 le16_to_cpu(mbox->rx_ba_role_id_bitmap), 135 le16_to_cpu(mbox->rx_ba_allowed_bitmap)); 136 137 if (vector & BSS_LOSS_EVENT_ID) 138 wlcore_event_beacon_loss(wl, 139 le16_to_cpu(mbox->bss_loss_bitmap)); 140 141 if (vector & CHANNEL_SWITCH_COMPLETE_EVENT_ID) 142 wlcore_event_channel_switch(wl, 143 le16_to_cpu(mbox->channel_switch_role_id_bitmap), 144 true); 145 146 if (vector & DUMMY_PACKET_EVENT_ID) 147 wlcore_event_dummy_packet(wl); 148 149 /* 150 * "TX retries exceeded" has a different meaning according to mode. 151 * In AP mode the offending station is disconnected. 152 */ 153 if (vector & MAX_TX_FAILURE_EVENT_ID) 154 wlcore_event_max_tx_failure(wl, 155 le32_to_cpu(mbox->tx_retry_exceeded_bitmap)); 156 157 if (vector & INACTIVE_STA_EVENT_ID) 158 wlcore_event_inactive_sta(wl, 159 le32_to_cpu(mbox->inactive_sta_bitmap)); 160 161 if (vector & REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID) 162 wlcore_event_roc_complete(wl); 163 164 if (vector & SMART_CONFIG_SYNC_EVENT_ID) 165 wlcore_smart_config_sync_event(wl, mbox->sc_sync_channel, 166 mbox->sc_sync_band); 167 168 if (vector & SMART_CONFIG_DECODE_EVENT_ID) 169 wlcore_smart_config_decode_event(wl, 170 mbox->sc_ssid_len, 171 mbox->sc_ssid, 172 mbox->sc_pwd_len, 173 mbox->sc_pwd); 174 175 return 0; 176 } 177