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Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 246 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190530000436.674189849@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
237 lines
5.9 KiB
C
237 lines
5.9 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* This file is part of wl12xx
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*
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* Copyright (C) 2012 Texas Instruments. All rights reserved.
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*/
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#include <net/genetlink.h>
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#include "event.h"
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#include "scan.h"
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#include "conf.h"
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#include "../wlcore/cmd.h"
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#include "../wlcore/debug.h"
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#include "../wlcore/vendor_cmd.h"
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int wl18xx_wait_for_event(struct wl1271 *wl, enum wlcore_wait_event event,
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bool *timeout)
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{
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u32 local_event;
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switch (event) {
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case WLCORE_EVENT_PEER_REMOVE_COMPLETE:
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local_event = PEER_REMOVE_COMPLETE_EVENT_ID;
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break;
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case WLCORE_EVENT_DFS_CONFIG_COMPLETE:
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local_event = DFS_CHANNELS_CONFIG_COMPLETE_EVENT;
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break;
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default:
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/* event not implemented */
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return 0;
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}
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return wlcore_cmd_wait_for_event_or_timeout(wl, local_event, timeout);
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}
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static const char *wl18xx_radar_type_decode(u8 radar_type)
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{
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switch (radar_type) {
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case RADAR_TYPE_REGULAR:
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return "REGULAR";
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case RADAR_TYPE_CHIRP:
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return "CHIRP";
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case RADAR_TYPE_NONE:
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default:
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return "N/A";
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}
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}
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static int wlcore_smart_config_sync_event(struct wl1271 *wl, u8 sync_channel,
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u8 sync_band)
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{
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struct sk_buff *skb;
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enum nl80211_band band;
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int freq;
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if (sync_band == WLCORE_BAND_5GHZ)
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band = NL80211_BAND_5GHZ;
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else
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band = NL80211_BAND_2GHZ;
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freq = ieee80211_channel_to_frequency(sync_channel, band);
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wl1271_debug(DEBUG_EVENT,
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"SMART_CONFIG_SYNC_EVENT_ID, freq: %d (chan: %d band %d)",
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freq, sync_channel, sync_band);
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skb = cfg80211_vendor_event_alloc(wl->hw->wiphy, NULL, 20,
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WLCORE_VENDOR_EVENT_SC_SYNC,
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GFP_KERNEL);
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if (nla_put_u32(skb, WLCORE_VENDOR_ATTR_FREQ, freq)) {
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kfree_skb(skb);
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return -EMSGSIZE;
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}
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cfg80211_vendor_event(skb, GFP_KERNEL);
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return 0;
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}
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static int wlcore_smart_config_decode_event(struct wl1271 *wl,
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u8 ssid_len, u8 *ssid,
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u8 pwd_len, u8 *pwd)
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{
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struct sk_buff *skb;
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wl1271_debug(DEBUG_EVENT, "SMART_CONFIG_DECODE_EVENT_ID");
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wl1271_dump_ascii(DEBUG_EVENT, "SSID:", ssid, ssid_len);
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skb = cfg80211_vendor_event_alloc(wl->hw->wiphy, NULL,
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ssid_len + pwd_len + 20,
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WLCORE_VENDOR_EVENT_SC_DECODE,
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GFP_KERNEL);
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if (nla_put(skb, WLCORE_VENDOR_ATTR_SSID, ssid_len, ssid) ||
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nla_put(skb, WLCORE_VENDOR_ATTR_PSK, pwd_len, pwd)) {
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kfree_skb(skb);
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return -EMSGSIZE;
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}
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cfg80211_vendor_event(skb, GFP_KERNEL);
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return 0;
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}
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static void wlcore_event_time_sync(struct wl1271 *wl,
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u16 tsf_high_msb, u16 tsf_high_lsb,
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u16 tsf_low_msb, u16 tsf_low_lsb)
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{
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u32 clock_low;
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u32 clock_high;
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clock_high = (tsf_high_msb << 16) | tsf_high_lsb;
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clock_low = (tsf_low_msb << 16) | tsf_low_lsb;
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wl1271_info("TIME_SYNC_EVENT_ID: clock_high %u, clock low %u",
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clock_high, clock_low);
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}
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int wl18xx_process_mailbox_events(struct wl1271 *wl)
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{
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struct wl18xx_event_mailbox *mbox = wl->mbox;
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u32 vector;
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vector = le32_to_cpu(mbox->events_vector);
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wl1271_debug(DEBUG_EVENT, "MBOX vector: 0x%x", vector);
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if (vector & SCAN_COMPLETE_EVENT_ID) {
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wl1271_debug(DEBUG_EVENT, "scan results: %d",
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mbox->number_of_scan_results);
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if (wl->scan_wlvif)
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wl18xx_scan_completed(wl, wl->scan_wlvif);
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}
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if (vector & TIME_SYNC_EVENT_ID)
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wlcore_event_time_sync(wl,
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mbox->time_sync_tsf_high_msb,
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mbox->time_sync_tsf_high_lsb,
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mbox->time_sync_tsf_low_msb,
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mbox->time_sync_tsf_low_lsb);
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if (vector & RADAR_DETECTED_EVENT_ID) {
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wl1271_info("radar event: channel %d type %s",
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mbox->radar_channel,
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wl18xx_radar_type_decode(mbox->radar_type));
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if (!wl->radar_debug_mode)
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ieee80211_radar_detected(wl->hw);
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}
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if (vector & PERIODIC_SCAN_REPORT_EVENT_ID) {
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wl1271_debug(DEBUG_EVENT,
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"PERIODIC_SCAN_REPORT_EVENT (results %d)",
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mbox->number_of_sched_scan_results);
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wlcore_scan_sched_scan_results(wl);
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}
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if (vector & PERIODIC_SCAN_COMPLETE_EVENT_ID)
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wlcore_event_sched_scan_completed(wl, 1);
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if (vector & RSSI_SNR_TRIGGER_0_EVENT_ID)
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wlcore_event_rssi_trigger(wl, mbox->rssi_snr_trigger_metric);
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if (vector & BA_SESSION_RX_CONSTRAINT_EVENT_ID)
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wlcore_event_ba_rx_constraint(wl,
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le16_to_cpu(mbox->rx_ba_role_id_bitmap),
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le16_to_cpu(mbox->rx_ba_allowed_bitmap));
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if (vector & BSS_LOSS_EVENT_ID)
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wlcore_event_beacon_loss(wl,
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le16_to_cpu(mbox->bss_loss_bitmap));
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if (vector & CHANNEL_SWITCH_COMPLETE_EVENT_ID)
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wlcore_event_channel_switch(wl,
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le16_to_cpu(mbox->channel_switch_role_id_bitmap),
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true);
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if (vector & DUMMY_PACKET_EVENT_ID)
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wlcore_event_dummy_packet(wl);
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/*
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* "TX retries exceeded" has a different meaning according to mode.
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* In AP mode the offending station is disconnected.
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*/
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if (vector & MAX_TX_FAILURE_EVENT_ID)
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wlcore_event_max_tx_failure(wl,
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le16_to_cpu(mbox->tx_retry_exceeded_bitmap));
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if (vector & INACTIVE_STA_EVENT_ID)
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wlcore_event_inactive_sta(wl,
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le16_to_cpu(mbox->inactive_sta_bitmap));
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if (vector & REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID)
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wlcore_event_roc_complete(wl);
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if (vector & SMART_CONFIG_SYNC_EVENT_ID)
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wlcore_smart_config_sync_event(wl, mbox->sc_sync_channel,
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mbox->sc_sync_band);
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if (vector & SMART_CONFIG_DECODE_EVENT_ID)
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wlcore_smart_config_decode_event(wl,
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mbox->sc_ssid_len,
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mbox->sc_ssid,
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mbox->sc_pwd_len,
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mbox->sc_pwd);
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if (vector & FW_LOGGER_INDICATION)
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wlcore_event_fw_logger(wl);
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if (vector & RX_BA_WIN_SIZE_CHANGE_EVENT_ID) {
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struct wl12xx_vif *wlvif;
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struct ieee80211_vif *vif;
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struct ieee80211_sta *sta;
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u8 link_id = mbox->rx_ba_link_id;
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u8 win_size = mbox->rx_ba_win_size;
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const u8 *addr;
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wlvif = wl->links[link_id].wlvif;
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vif = wl12xx_wlvif_to_vif(wlvif);
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/* Update RX aggregation window size and call
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* MAC routine to stop active RX aggregations for this link
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*/
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if (wlvif->bss_type != BSS_TYPE_AP_BSS)
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addr = vif->bss_conf.bssid;
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else
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addr = wl->links[link_id].addr;
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sta = ieee80211_find_sta(vif, addr);
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if (sta) {
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sta->max_rx_aggregation_subframes = win_size;
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ieee80211_stop_rx_ba_session(vif,
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wl->links[link_id].ba_bitmap,
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addr);
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}
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}
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return 0;
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}
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