^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Interface handling
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright 2002-2005, Instant802 Networks, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright 2005-2006, Devicescape Software, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Copyright (c) 2006 Jiri Benc <jbenc@suse.cz>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * Copyright 2013-2014 Intel Mobile Communications GmbH
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * Copyright (c) 2016 Intel Deutschland GmbH
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * Copyright (C) 2018-2021 Intel Corporation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/if_arp.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/netdevice.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/rtnetlink.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <net/mac80211.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <net/ieee80211_radiotap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include "ieee80211_i.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include "sta_info.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include "debugfs_netdev.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include "mesh.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include "led.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include "driver-ops.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include "wme.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #include "rate.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) * DOC: Interface list locking
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) * The interface list in each struct ieee80211_local is protected
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) * three-fold:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) * (1) modifications may only be done under the RTNL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) * (2) modifications and readers are protected against each other by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) * the iflist_mtx.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) * (3) modifications are done in an RCU manner so atomic readers
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) * can traverse the list in RCU-safe blocks.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) * As a consequence, reads (traversals) of the list can be protected
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) * by either the RTNL, the iflist_mtx or RCU.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) static void ieee80211_iface_work(struct work_struct *work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) struct ieee80211_chanctx_conf *chanctx_conf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) int power;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) rcu_read_lock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) if (!chanctx_conf) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) rcu_read_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) power = ieee80211_chandef_max_power(&chanctx_conf->def);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) rcu_read_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) if (sdata->user_power_level != IEEE80211_UNSET_POWER_LEVEL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) power = min(power, sdata->user_power_level);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) if (sdata->ap_power_level != IEEE80211_UNSET_POWER_LEVEL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) power = min(power, sdata->ap_power_level);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) if (power != sdata->vif.bss_conf.txpower) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) sdata->vif.bss_conf.txpower = power;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) ieee80211_hw_config(sdata->local, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) bool update_bss)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) if (__ieee80211_recalc_txpower(sdata) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) (update_bss && ieee80211_sdata_running(sdata)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_TXPOWER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) static u32 __ieee80211_idle_off(struct ieee80211_local *local)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) if (!(local->hw.conf.flags & IEEE80211_CONF_IDLE))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) local->hw.conf.flags &= ~IEEE80211_CONF_IDLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) return IEEE80211_CONF_CHANGE_IDLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) static u32 __ieee80211_idle_on(struct ieee80211_local *local)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) if (local->hw.conf.flags & IEEE80211_CONF_IDLE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) ieee80211_flush_queues(local, NULL, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) local->hw.conf.flags |= IEEE80211_CONF_IDLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) return IEEE80211_CONF_CHANGE_IDLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) static u32 __ieee80211_recalc_idle(struct ieee80211_local *local,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) bool force_active)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) bool working, scanning, active;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) unsigned int led_trig_start = 0, led_trig_stop = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) lockdep_assert_held(&local->mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) active = force_active ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) !list_empty(&local->chanctx_list) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) local->monitors;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) working = !local->ops->remain_on_channel &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) !list_empty(&local->roc_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) scanning = test_bit(SCAN_SW_SCANNING, &local->scanning) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) test_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) if (working || scanning)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) led_trig_start |= IEEE80211_TPT_LEDTRIG_FL_WORK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) led_trig_stop |= IEEE80211_TPT_LEDTRIG_FL_WORK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) if (active)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) led_trig_start |= IEEE80211_TPT_LEDTRIG_FL_CONNECTED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) led_trig_stop |= IEEE80211_TPT_LEDTRIG_FL_CONNECTED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) ieee80211_mod_tpt_led_trig(local, led_trig_start, led_trig_stop);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) if (working || scanning || active)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) return __ieee80211_idle_off(local);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) return __ieee80211_idle_on(local);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) u32 ieee80211_idle_off(struct ieee80211_local *local)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) return __ieee80211_recalc_idle(local, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) void ieee80211_recalc_idle(struct ieee80211_local *local)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) u32 change = __ieee80211_recalc_idle(local, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) if (change)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) ieee80211_hw_config(local, change);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) static int ieee80211_verify_mac(struct ieee80211_sub_if_data *sdata, u8 *addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) bool check_dup)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) struct ieee80211_local *local = sdata->local;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) struct ieee80211_sub_if_data *iter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) u64 new, mask, tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) u8 *m;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) if (is_zero_ether_addr(local->hw.wiphy->addr_mask))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) m = addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) new = ((u64)m[0] << 5*8) | ((u64)m[1] << 4*8) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) ((u64)m[2] << 3*8) | ((u64)m[3] << 2*8) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) ((u64)m[4] << 1*8) | ((u64)m[5] << 0*8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) m = local->hw.wiphy->addr_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) mask = ((u64)m[0] << 5*8) | ((u64)m[1] << 4*8) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) ((u64)m[2] << 3*8) | ((u64)m[3] << 2*8) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) ((u64)m[4] << 1*8) | ((u64)m[5] << 0*8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) if (!check_dup)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) mutex_lock(&local->iflist_mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) list_for_each_entry(iter, &local->interfaces, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) if (iter == sdata)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) if (iter->vif.type == NL80211_IFTYPE_MONITOR &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) !(iter->u.mntr.flags & MONITOR_FLAG_ACTIVE))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) m = iter->vif.addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) tmp = ((u64)m[0] << 5*8) | ((u64)m[1] << 4*8) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) ((u64)m[2] << 3*8) | ((u64)m[3] << 2*8) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) ((u64)m[4] << 1*8) | ((u64)m[5] << 0*8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) if ((new & ~mask) != (tmp & ~mask)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) mutex_unlock(&local->iflist_mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) static int ieee80211_change_mac(struct net_device *dev, void *addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) struct sockaddr *sa = addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) bool check_dup = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) if (ieee80211_sdata_running(sdata))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) if (sdata->vif.type == NL80211_IFTYPE_MONITOR &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) !(sdata->u.mntr.flags & MONITOR_FLAG_ACTIVE))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) check_dup = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) ret = ieee80211_verify_mac(sdata, sa->sa_data, check_dup);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) ret = eth_mac_addr(dev, sa);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) if (ret == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) memcpy(sdata->vif.addr, sa->sa_data, ETH_ALEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) static inline int identical_mac_addr_allowed(int type1, int type2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) return type1 == NL80211_IFTYPE_MONITOR ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) type2 == NL80211_IFTYPE_MONITOR ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) type1 == NL80211_IFTYPE_P2P_DEVICE ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) type2 == NL80211_IFTYPE_P2P_DEVICE ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) (type1 == NL80211_IFTYPE_AP && type2 == NL80211_IFTYPE_WDS) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) (type1 == NL80211_IFTYPE_WDS &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) (type2 == NL80211_IFTYPE_WDS ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) type2 == NL80211_IFTYPE_AP)) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) (type1 == NL80211_IFTYPE_AP && type2 == NL80211_IFTYPE_AP_VLAN) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) (type1 == NL80211_IFTYPE_AP_VLAN &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) (type2 == NL80211_IFTYPE_AP ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) type2 == NL80211_IFTYPE_AP_VLAN));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) static int ieee80211_check_concurrent_iface(struct ieee80211_sub_if_data *sdata,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) enum nl80211_iftype iftype)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) struct ieee80211_local *local = sdata->local;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) struct ieee80211_sub_if_data *nsdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) ASSERT_RTNL();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) /* we hold the RTNL here so can safely walk the list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) list_for_each_entry(nsdata, &local->interfaces, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) if (nsdata != sdata && ieee80211_sdata_running(nsdata)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) * Only OCB and monitor mode may coexist
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) if ((sdata->vif.type == NL80211_IFTYPE_OCB &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) nsdata->vif.type != NL80211_IFTYPE_MONITOR) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) (sdata->vif.type != NL80211_IFTYPE_MONITOR &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) nsdata->vif.type == NL80211_IFTYPE_OCB))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) * Allow only a single IBSS interface to be up at any
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) * time. This is restricted because beacon distribution
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) * cannot work properly if both are in the same IBSS.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) * To remove this restriction we'd have to disallow them
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) * from setting the same SSID on different IBSS interfaces
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) * belonging to the same hardware. Then, however, we're
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) * faced with having to adopt two different TSF timers...
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) if (iftype == NL80211_IFTYPE_ADHOC &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) nsdata->vif.type == NL80211_IFTYPE_ADHOC)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) * will not add another interface while any channel
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) * switch is active.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) if (nsdata->vif.csa_active)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) * The remaining checks are only performed for interfaces
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) * with the same MAC address.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) if (!ether_addr_equal(sdata->vif.addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) nsdata->vif.addr))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) * check whether it may have the same address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) if (!identical_mac_addr_allowed(iftype,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) nsdata->vif.type))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) return -ENOTUNIQ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) * can only add VLANs to enabled APs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) if (iftype == NL80211_IFTYPE_AP_VLAN &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) nsdata->vif.type == NL80211_IFTYPE_AP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) sdata->bss = &nsdata->u.ap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) mutex_lock(&local->chanctx_mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) mutex_unlock(&local->chanctx_mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) static int ieee80211_check_queues(struct ieee80211_sub_if_data *sdata,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) enum nl80211_iftype iftype)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) int n_queues = sdata->local->hw.queues;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) if (iftype == NL80211_IFTYPE_NAN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) if (iftype != NL80211_IFTYPE_P2P_DEVICE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) for (i = 0; i < IEEE80211_NUM_ACS; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) if (WARN_ON_ONCE(sdata->vif.hw_queue[i] ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) IEEE80211_INVAL_HW_QUEUE))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) if (WARN_ON_ONCE(sdata->vif.hw_queue[i] >=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) n_queues))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) if ((iftype != NL80211_IFTYPE_AP &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) iftype != NL80211_IFTYPE_P2P_GO &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) iftype != NL80211_IFTYPE_MESH_POINT) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) !ieee80211_hw_check(&sdata->local->hw, QUEUE_CONTROL)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) sdata->vif.cab_queue = IEEE80211_INVAL_HW_QUEUE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) if (WARN_ON_ONCE(sdata->vif.cab_queue == IEEE80211_INVAL_HW_QUEUE))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) if (WARN_ON_ONCE(sdata->vif.cab_queue >= n_queues))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) static int ieee80211_open(struct net_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) /* fail early if user set an invalid address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) if (!is_valid_ether_addr(dev->dev_addr))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) return -EADDRNOTAVAIL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) err = ieee80211_check_concurrent_iface(sdata, sdata->vif.type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) return ieee80211_do_open(&sdata->wdev, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) bool going_down)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) struct ieee80211_local *local = sdata->local;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) struct sk_buff *skb, *tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) u32 hw_reconf_flags = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) int i, flushed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) struct ps_data *ps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) struct cfg80211_chan_def chandef;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) bool cancel_scan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) struct cfg80211_nan_func *func;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) clear_bit(SDATA_STATE_RUNNING, &sdata->state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) cancel_scan = rcu_access_pointer(local->scan_sdata) == sdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) if (cancel_scan)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) ieee80211_scan_cancel(local);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) * Stop TX on this interface first.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) if (sdata->dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) netif_tx_stop_all_queues(sdata->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) ieee80211_roc_purge(local, sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) switch (sdata->vif.type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) case NL80211_IFTYPE_STATION:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) ieee80211_mgd_stop(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) case NL80211_IFTYPE_ADHOC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) ieee80211_ibss_stop(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) case NL80211_IFTYPE_MONITOR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) if (sdata->u.mntr.flags & MONITOR_FLAG_COOK_FRAMES)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) list_del_rcu(&sdata->u.mntr.list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) * Remove all stations associated with this interface.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) * This must be done before calling ops->remove_interface()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) * because otherwise we can later invoke ops->sta_notify()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) * whenever the STAs are removed, and that invalidates driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) * assumptions about always getting a vif pointer that is valid
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) * (because if we remove a STA after ops->remove_interface()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) * the driver will have removed the vif info already!)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) * In WDS mode a station must exist here and be flushed, for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) * AP_VLANs stations may exist since there's nothing else that
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) * would have removed them, but in other modes there shouldn't
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) * be any stations.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) flushed = sta_info_flush(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) ((sdata->vif.type != NL80211_IFTYPE_WDS && flushed > 0) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) (sdata->vif.type == NL80211_IFTYPE_WDS && flushed != 1)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) /* don't count this interface for allmulti while it is down */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) if (sdata->flags & IEEE80211_SDATA_ALLMULTI)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) atomic_dec(&local->iff_allmultis);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) if (sdata->vif.type == NL80211_IFTYPE_AP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) local->fif_pspoll--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) local->fif_probe_req--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) } else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) local->fif_probe_req--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) if (sdata->dev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) netif_addr_lock_bh(sdata->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) spin_lock_bh(&local->filter_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) __hw_addr_unsync(&local->mc_list, &sdata->dev->mc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) sdata->dev->addr_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) spin_unlock_bh(&local->filter_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) netif_addr_unlock_bh(sdata->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) del_timer_sync(&local->dynamic_ps_timer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) cancel_work_sync(&local->dynamic_ps_enable_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) cancel_work_sync(&sdata->recalc_smps);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) sdata_lock(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) mutex_lock(&local->mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) sdata->vif.csa_active = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) if (sdata->vif.type == NL80211_IFTYPE_STATION)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) sdata->u.mgd.csa_waiting_bcn = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) if (sdata->csa_block_tx) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) ieee80211_wake_vif_queues(local, sdata,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) IEEE80211_QUEUE_STOP_REASON_CSA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) sdata->csa_block_tx = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) mutex_unlock(&local->mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) sdata_unlock(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) cancel_work_sync(&sdata->csa_finalize_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) if (sdata->wdev.cac_started) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) chandef = sdata->vif.bss_conf.chandef;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) WARN_ON(local->suspended);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) mutex_lock(&local->mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) ieee80211_vif_release_channel(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) mutex_unlock(&local->mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) cfg80211_cac_event(sdata->dev, &chandef,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) NL80211_RADAR_CAC_ABORTED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) /* APs need special treatment */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) if (sdata->vif.type == NL80211_IFTYPE_AP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) struct ieee80211_sub_if_data *vlan, *tmpsdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) /* down all dependent devices, that is VLANs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) list_for_each_entry_safe(vlan, tmpsdata, &sdata->u.ap.vlans,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) u.vlan.list)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) dev_close(vlan->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) WARN_ON(!list_empty(&sdata->u.ap.vlans));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) } else if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) /* remove all packets in parent bc_buf pointing to this dev */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) ps = &sdata->bss->ps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) spin_lock_irqsave(&ps->bc_buf.lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) skb_queue_walk_safe(&ps->bc_buf, skb, tmp) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) if (skb->dev == sdata->dev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) __skb_unlink(skb, &ps->bc_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) local->total_ps_buffered--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) ieee80211_free_txskb(&local->hw, skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) spin_unlock_irqrestore(&ps->bc_buf.lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) if (going_down)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) local->open_count--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) switch (sdata->vif.type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) case NL80211_IFTYPE_AP_VLAN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) mutex_lock(&local->mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) list_del(&sdata->u.vlan.list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) mutex_unlock(&local->mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) RCU_INIT_POINTER(sdata->vif.chanctx_conf, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) /* see comment in the default case below */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) ieee80211_free_keys(sdata, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) /* no need to tell driver */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) case NL80211_IFTYPE_MONITOR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) if (sdata->u.mntr.flags & MONITOR_FLAG_COOK_FRAMES) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) local->cooked_mntrs--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) local->monitors--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) if (local->monitors == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) local->hw.conf.flags &= ~IEEE80211_CONF_MONITOR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) hw_reconf_flags |= IEEE80211_CONF_CHANGE_MONITOR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) ieee80211_adjust_monitor_flags(sdata, -1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) case NL80211_IFTYPE_NAN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) /* clean all the functions */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) spin_lock_bh(&sdata->u.nan.func_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) idr_for_each_entry(&sdata->u.nan.function_inst_ids, func, i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) idr_remove(&sdata->u.nan.function_inst_ids, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) cfg80211_free_nan_func(func);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) idr_destroy(&sdata->u.nan.function_inst_ids);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) spin_unlock_bh(&sdata->u.nan.func_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) case NL80211_IFTYPE_P2P_DEVICE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) /* relies on synchronize_rcu() below */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) RCU_INIT_POINTER(local->p2p_sdata, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) cancel_work_sync(&sdata->work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) * When we get here, the interface is marked down.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) * Free the remaining keys, if there are any
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) * (which can happen in AP mode if userspace sets
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) * keys before the interface is operating, and maybe
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) * also in WDS mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) * Force the key freeing to always synchronize_net()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) * to wait for the RX path in case it is using this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) * interface enqueuing frames at this very time on
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) * another CPU.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) ieee80211_free_keys(sdata, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) skb_queue_purge(&sdata->skb_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) for (i = 0; i < IEEE80211_MAX_QUEUES; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) skb_queue_walk_safe(&local->pending[i], skb, tmp) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) if (info->control.vif == &sdata->vif) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) __skb_unlink(skb, &local->pending[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) ieee80211_free_txskb(&local->hw, skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) ieee80211_txq_remove_vlan(local, sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) sdata->bss = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) if (local->open_count == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) ieee80211_clear_tx_pending(local);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) sdata->vif.bss_conf.beacon_int = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) * If the interface goes down while suspended, presumably because
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) * the device was unplugged and that happens before our resume,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) * then the driver is already unconfigured and the remainder of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) * this function isn't needed.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) * XXX: what about WoWLAN? If the device has software state, e.g.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) * memory allocated, it might expect teardown commands from
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) * mac80211 here?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) if (local->suspended) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) WARN_ON(local->wowlan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) WARN_ON(rtnl_dereference(local->monitor_sdata));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) switch (sdata->vif.type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) case NL80211_IFTYPE_AP_VLAN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) case NL80211_IFTYPE_MONITOR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) if (local->monitors == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) ieee80211_del_virtual_monitor(local);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) mutex_lock(&local->mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) ieee80211_recalc_idle(local);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) mutex_unlock(&local->mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) if (!(sdata->u.mntr.flags & MONITOR_FLAG_ACTIVE))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) if (going_down)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) drv_remove_interface(local, sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) ieee80211_recalc_ps(local);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) if (cancel_scan)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) flush_delayed_work(&local->scan_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) if (local->open_count == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) ieee80211_stop_device(local);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) /* no reconfiguring after stop! */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) /* do after stop to avoid reconfiguring when we stop anyway */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) ieee80211_configure_filter(local);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) ieee80211_hw_config(local, hw_reconf_flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) if (local->monitors == local->open_count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) ieee80211_add_virtual_monitor(local);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) static int ieee80211_stop(struct net_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) ieee80211_do_stop(sdata, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) static void ieee80211_set_multicast_list(struct net_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) struct ieee80211_local *local = sdata->local;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) int allmulti, sdata_allmulti;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) allmulti = !!(dev->flags & IFF_ALLMULTI);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) sdata_allmulti = !!(sdata->flags & IEEE80211_SDATA_ALLMULTI);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) if (allmulti != sdata_allmulti) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) if (dev->flags & IFF_ALLMULTI)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) atomic_inc(&local->iff_allmultis);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) atomic_dec(&local->iff_allmultis);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) sdata->flags ^= IEEE80211_SDATA_ALLMULTI;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) spin_lock_bh(&local->filter_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) __hw_addr_sync(&local->mc_list, &dev->mc, dev->addr_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) spin_unlock_bh(&local->filter_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) ieee80211_queue_work(&local->hw, &local->reconfig_filter);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) * Called when the netdev is removed or, by the code below, before
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) * the interface type changes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) static void ieee80211_teardown_sdata(struct ieee80211_sub_if_data *sdata)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) /* free extra data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) ieee80211_free_keys(sdata, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) ieee80211_debugfs_remove_netdev(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) ieee80211_destroy_frag_cache(&sdata->frags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) if (ieee80211_vif_is_mesh(&sdata->vif))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) ieee80211_mesh_teardown_sdata(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) static void ieee80211_uninit(struct net_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) ieee80211_teardown_sdata(IEEE80211_DEV_TO_SUB_IF(dev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) static u16 ieee80211_netdev_select_queue(struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) struct net_device *sb_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) return ieee80211_select_queue(IEEE80211_DEV_TO_SUB_IF(dev), skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) ieee80211_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) dev_fetch_sw_netstats(stats, dev->tstats);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) static const struct net_device_ops ieee80211_dataif_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) .ndo_open = ieee80211_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) .ndo_stop = ieee80211_stop,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) .ndo_uninit = ieee80211_uninit,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) .ndo_start_xmit = ieee80211_subif_start_xmit,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) .ndo_set_rx_mode = ieee80211_set_multicast_list,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) .ndo_set_mac_address = ieee80211_change_mac,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) .ndo_select_queue = ieee80211_netdev_select_queue,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) .ndo_get_stats64 = ieee80211_get_stats64,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) static u16 ieee80211_monitor_select_queue(struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) struct net_device *sb_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) struct ieee80211_local *local = sdata->local;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) struct ieee80211_hdr *hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) int len_rthdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) if (local->hw.queues < IEEE80211_NUM_ACS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) /* reset flags and info before parsing radiotap header */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) memset(info, 0, sizeof(*info));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) if (!ieee80211_parse_tx_radiotap(skb, dev))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) return 0; /* doesn't matter, frame will be dropped */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) len_rthdr = ieee80211_get_radiotap_len(skb->data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) hdr = (struct ieee80211_hdr *)(skb->data + len_rthdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) if (skb->len < len_rthdr + 2 ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) skb->len < len_rthdr + ieee80211_hdrlen(hdr->frame_control))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) return 0; /* doesn't matter, frame will be dropped */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) return ieee80211_select_queue_80211(sdata, skb, hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) static const struct net_device_ops ieee80211_monitorif_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) .ndo_open = ieee80211_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) .ndo_stop = ieee80211_stop,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) .ndo_uninit = ieee80211_uninit,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) .ndo_start_xmit = ieee80211_monitor_start_xmit,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) .ndo_set_rx_mode = ieee80211_set_multicast_list,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) .ndo_set_mac_address = ieee80211_change_mac,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) .ndo_select_queue = ieee80211_monitor_select_queue,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) .ndo_get_stats64 = ieee80211_get_stats64,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) static const struct net_device_ops ieee80211_dataif_8023_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) .ndo_open = ieee80211_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) .ndo_stop = ieee80211_stop,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) .ndo_uninit = ieee80211_uninit,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) .ndo_start_xmit = ieee80211_subif_start_xmit_8023,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) .ndo_set_rx_mode = ieee80211_set_multicast_list,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) .ndo_set_mac_address = ieee80211_change_mac,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) .ndo_select_queue = ieee80211_netdev_select_queue,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) .ndo_get_stats64 = ieee80211_get_stats64,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) static bool ieee80211_iftype_supports_encap_offload(enum nl80211_iftype iftype)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) switch (iftype) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) /* P2P GO and client are mapped to AP/STATION types */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) case NL80211_IFTYPE_AP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) case NL80211_IFTYPE_STATION:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) static bool ieee80211_set_sdata_offload_flags(struct ieee80211_sub_if_data *sdata)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) struct ieee80211_local *local = sdata->local;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) u32 flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) flags = sdata->vif.offload_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) if (ieee80211_hw_check(&local->hw, SUPPORTS_TX_ENCAP_OFFLOAD) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) ieee80211_iftype_supports_encap_offload(sdata->vif.type)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) flags |= IEEE80211_OFFLOAD_ENCAP_ENABLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) if (!ieee80211_hw_check(&local->hw, SUPPORTS_TX_FRAG) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) local->hw.wiphy->frag_threshold != (u32)-1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) flags &= ~IEEE80211_OFFLOAD_ENCAP_ENABLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) if (local->monitors)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) flags &= ~IEEE80211_OFFLOAD_ENCAP_ENABLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) flags &= ~IEEE80211_OFFLOAD_ENCAP_ENABLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) if (sdata->vif.offload_flags == flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) sdata->vif.offload_flags = flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812) static void ieee80211_set_vif_encap_ops(struct ieee80211_sub_if_data *sdata)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) struct ieee80211_local *local = sdata->local;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) struct ieee80211_sub_if_data *bss = sdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816) bool enabled;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819) if (!sdata->bss)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822) bss = container_of(sdata->bss, struct ieee80211_sub_if_data, u.ap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) if (!ieee80211_hw_check(&local->hw, SUPPORTS_TX_ENCAP_OFFLOAD) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826) !ieee80211_iftype_supports_encap_offload(bss->vif.type))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) enabled = bss->vif.offload_flags & IEEE80211_OFFLOAD_ENCAP_ENABLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830) if (sdata->wdev.use_4addr &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) !(bss->vif.offload_flags & IEEE80211_OFFLOAD_ENCAP_4ADDR))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832) enabled = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) sdata->dev->netdev_ops = enabled ? &ieee80211_dataif_8023_ops :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835) &ieee80211_dataif_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838) static void ieee80211_recalc_sdata_offload(struct ieee80211_sub_if_data *sdata)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840) struct ieee80211_local *local = sdata->local;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841) struct ieee80211_sub_if_data *vsdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) if (ieee80211_set_sdata_offload_flags(sdata)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844) drv_update_vif_offload(local, sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845) ieee80211_set_vif_encap_ops(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848) list_for_each_entry(vsdata, &local->interfaces, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849) if (vsdata->vif.type != NL80211_IFTYPE_AP_VLAN ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850) vsdata->bss != &sdata->u.ap)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) ieee80211_set_vif_encap_ops(vsdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857) void ieee80211_recalc_offload(struct ieee80211_local *local)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859) struct ieee80211_sub_if_data *sdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861) if (!ieee80211_hw_check(&local->hw, SUPPORTS_TX_ENCAP_OFFLOAD))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864) mutex_lock(&local->iflist_mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866) list_for_each_entry(sdata, &local->interfaces, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867) if (!ieee80211_sdata_running(sdata))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870) ieee80211_recalc_sdata_offload(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873) mutex_unlock(&local->iflist_mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876) void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877) const int offset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879) struct ieee80211_local *local = sdata->local;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880) u32 flags = sdata->u.mntr.flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882) #define ADJUST(_f, _s) do { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883) if (flags & MONITOR_FLAG_##_f) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884) local->fif_##_s += offset; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885) } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887) ADJUST(FCSFAIL, fcsfail);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888) ADJUST(PLCPFAIL, plcpfail);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889) ADJUST(CONTROL, control);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890) ADJUST(CONTROL, pspoll);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891) ADJUST(OTHER_BSS, other_bss);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 892)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 893) #undef ADJUST
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 894) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 895)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 896) static void ieee80211_set_default_queues(struct ieee80211_sub_if_data *sdata)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 897) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 898) struct ieee80211_local *local = sdata->local;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 899) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 900)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 901) for (i = 0; i < IEEE80211_NUM_ACS; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 902) if (ieee80211_hw_check(&local->hw, QUEUE_CONTROL))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 903) sdata->vif.hw_queue[i] = IEEE80211_INVAL_HW_QUEUE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 904) else if (local->hw.queues >= IEEE80211_NUM_ACS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 905) sdata->vif.hw_queue[i] = i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 906) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 907) sdata->vif.hw_queue[i] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 908) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 909) sdata->vif.cab_queue = IEEE80211_INVAL_HW_QUEUE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 910) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 911)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 912) int ieee80211_add_virtual_monitor(struct ieee80211_local *local)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 913) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 914) struct ieee80211_sub_if_data *sdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 915) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 916)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 917) if (!ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 918) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 919)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 920) ASSERT_RTNL();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 921)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 922) if (local->monitor_sdata)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 923) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 924)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 925) sdata = kzalloc(sizeof(*sdata) + local->hw.vif_data_size, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 926) if (!sdata)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 927) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 928)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 929) /* set up data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 930) sdata->local = local;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 931) sdata->vif.type = NL80211_IFTYPE_MONITOR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 932) snprintf(sdata->name, IFNAMSIZ, "%s-monitor",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 933) wiphy_name(local->hw.wiphy));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 934) sdata->wdev.iftype = NL80211_IFTYPE_MONITOR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 935)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 936) sdata->encrypt_headroom = IEEE80211_ENCRYPT_HEADROOM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 937)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 938) ieee80211_set_default_queues(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 939)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 940) ret = drv_add_interface(local, sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 941) if (WARN_ON(ret)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 942) /* ok .. stupid driver, it asked for this! */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 943) kfree(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 944) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 945) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 946)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 947) set_bit(SDATA_STATE_RUNNING, &sdata->state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 948)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 949) ret = ieee80211_check_queues(sdata, NL80211_IFTYPE_MONITOR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 950) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 951) kfree(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 952) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 953) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 954)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 955) mutex_lock(&local->iflist_mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 956) rcu_assign_pointer(local->monitor_sdata, sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 957) mutex_unlock(&local->iflist_mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 958)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 959) mutex_lock(&local->mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 960) ret = ieee80211_vif_use_channel(sdata, &local->monitor_chandef,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 961) IEEE80211_CHANCTX_EXCLUSIVE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 962) mutex_unlock(&local->mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 963) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 964) mutex_lock(&local->iflist_mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 965) RCU_INIT_POINTER(local->monitor_sdata, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 966) mutex_unlock(&local->iflist_mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 967) synchronize_net();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 968) drv_remove_interface(local, sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 969) kfree(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 970) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 971) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 972)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 973) skb_queue_head_init(&sdata->skb_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 974) INIT_WORK(&sdata->work, ieee80211_iface_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 975)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 976) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 977) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 978)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 979) void ieee80211_del_virtual_monitor(struct ieee80211_local *local)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 980) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 981) struct ieee80211_sub_if_data *sdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 982)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 983) if (!ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 984) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 985)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 986) ASSERT_RTNL();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 987)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 988) mutex_lock(&local->iflist_mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 989)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 990) sdata = rcu_dereference_protected(local->monitor_sdata,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 991) lockdep_is_held(&local->iflist_mtx));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 992) if (!sdata) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 993) mutex_unlock(&local->iflist_mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 994) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 995) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 996)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 997) RCU_INIT_POINTER(local->monitor_sdata, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 998) mutex_unlock(&local->iflist_mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 999)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) synchronize_net();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) mutex_lock(&local->mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003) ieee80211_vif_release_channel(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) mutex_unlock(&local->mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) drv_remove_interface(local, sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008) kfree(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012) * NOTE: Be very careful when changing this function, it must NOT return
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013) * an error on interface type changes that have been pre-checked, so most
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014) * checks should be in ieee80211_check_concurrent_iface.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016) int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018) struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019) struct net_device *dev = wdev->netdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) struct ieee80211_local *local = sdata->local;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021) struct sta_info *sta;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022) u32 changed = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) int res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) u32 hw_reconf_flags = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) switch (sdata->vif.type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) case NL80211_IFTYPE_WDS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028) if (!is_valid_ether_addr(sdata->u.wds.remote_addr))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029) return -ENOLINK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) case NL80211_IFTYPE_AP_VLAN: {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032) struct ieee80211_sub_if_data *master;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) if (!sdata->bss)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035) return -ENOLINK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037) mutex_lock(&local->mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) list_add(&sdata->u.vlan.list, &sdata->bss->vlans);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) mutex_unlock(&local->mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) master = container_of(sdata->bss,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042) struct ieee80211_sub_if_data, u.ap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043) sdata->control_port_protocol =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) master->control_port_protocol;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) sdata->control_port_no_encrypt =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046) master->control_port_no_encrypt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047) sdata->control_port_over_nl80211 =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048) master->control_port_over_nl80211;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049) sdata->control_port_no_preauth =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050) master->control_port_no_preauth;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) sdata->vif.cab_queue = master->vif.cab_queue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052) memcpy(sdata->vif.hw_queue, master->vif.hw_queue,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) sizeof(sdata->vif.hw_queue));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) sdata->vif.bss_conf.chandef = master->vif.bss_conf.chandef;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056) mutex_lock(&local->key_mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) sdata->crypto_tx_tailroom_needed_cnt +=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) master->crypto_tx_tailroom_needed_cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059) mutex_unlock(&local->key_mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063) case NL80211_IFTYPE_AP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064) sdata->bss = &sdata->u.ap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066) case NL80211_IFTYPE_MESH_POINT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067) case NL80211_IFTYPE_STATION:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068) case NL80211_IFTYPE_MONITOR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069) case NL80211_IFTYPE_ADHOC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070) case NL80211_IFTYPE_P2P_DEVICE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071) case NL80211_IFTYPE_OCB:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072) case NL80211_IFTYPE_NAN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073) /* no special treatment */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075) case NL80211_IFTYPE_UNSPECIFIED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076) case NUM_NL80211_IFTYPES:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077) case NL80211_IFTYPE_P2P_CLIENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078) case NL80211_IFTYPE_P2P_GO:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079) /* cannot happen */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080) WARN_ON(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084) if (local->open_count == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085) res = drv_start(local);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086) if (res)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087) goto err_del_bss;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088) /* we're brought up, everything changes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089) hw_reconf_flags = ~0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) ieee80211_led_radio(local, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091) ieee80211_mod_tpt_led_trig(local,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092) IEEE80211_TPT_LEDTRIG_FL_RADIO, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096) * Copy the hopefully now-present MAC address to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097) * this interface, if it has the special null one.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099) if (dev && is_zero_ether_addr(dev->dev_addr)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100) memcpy(dev->dev_addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101) local->hw.wiphy->perm_addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102) ETH_ALEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103) memcpy(dev->perm_addr, dev->dev_addr, ETH_ALEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105) if (!is_valid_ether_addr(dev->dev_addr)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106) res = -EADDRNOTAVAIL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107) goto err_stop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111) switch (sdata->vif.type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112) case NL80211_IFTYPE_AP_VLAN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113) /* no need to tell driver, but set carrier and chanctx */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114) if (rtnl_dereference(sdata->bss->beacon)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115) ieee80211_vif_vlan_copy_chanctx(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116) netif_carrier_on(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117) ieee80211_set_vif_encap_ops(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119) netif_carrier_off(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122) case NL80211_IFTYPE_MONITOR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123) if (sdata->u.mntr.flags & MONITOR_FLAG_COOK_FRAMES) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124) local->cooked_mntrs++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128) if (sdata->u.mntr.flags & MONITOR_FLAG_ACTIVE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129) res = drv_add_interface(local, sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130) if (res)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131) goto err_stop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132) } else if (local->monitors == 0 && local->open_count == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133) res = ieee80211_add_virtual_monitor(local);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134) if (res)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135) goto err_stop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138) /* must be before the call to ieee80211_configure_filter */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) local->monitors++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140) if (local->monitors == 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141) local->hw.conf.flags |= IEEE80211_CONF_MONITOR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142) hw_reconf_flags |= IEEE80211_CONF_CHANGE_MONITOR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1145) ieee80211_adjust_monitor_flags(sdata, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146) ieee80211_configure_filter(local);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147) ieee80211_recalc_offload(local);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148) mutex_lock(&local->mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149) ieee80211_recalc_idle(local);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150) mutex_unlock(&local->mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152) netif_carrier_on(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155) if (coming_up) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156) ieee80211_del_virtual_monitor(local);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) ieee80211_set_sdata_offload_flags(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159) res = drv_add_interface(local, sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160) if (res)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161) goto err_stop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163) ieee80211_set_vif_encap_ops(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164) res = ieee80211_check_queues(sdata,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165) ieee80211_vif_type_p2p(&sdata->vif));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166) if (res)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167) goto err_del_interface;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1170) if (sdata->vif.type == NL80211_IFTYPE_AP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1171) local->fif_pspoll++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1172) local->fif_probe_req++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1173)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1174) ieee80211_configure_filter(local);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1175) } else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1176) local->fif_probe_req++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1177) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1179) if (sdata->vif.probe_req_reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1180) drv_config_iface_filter(local, sdata,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1181) FIF_PROBE_REQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1182) FIF_PROBE_REQ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1183)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1184) if (sdata->vif.type != NL80211_IFTYPE_P2P_DEVICE &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1185) sdata->vif.type != NL80211_IFTYPE_NAN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1186) changed |= ieee80211_reset_erp_info(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1187) ieee80211_bss_info_change_notify(sdata, changed);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1188)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1189) switch (sdata->vif.type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1190) case NL80211_IFTYPE_STATION:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1191) case NL80211_IFTYPE_ADHOC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1192) case NL80211_IFTYPE_AP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1193) case NL80211_IFTYPE_MESH_POINT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1194) case NL80211_IFTYPE_OCB:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1195) netif_carrier_off(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1196) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1197) case NL80211_IFTYPE_WDS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1198) case NL80211_IFTYPE_P2P_DEVICE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1199) case NL80211_IFTYPE_NAN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1200) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1201) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1202) /* not reached */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1203) WARN_ON(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1204) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1206) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1207) * Set default queue parameters so drivers don't
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1208) * need to initialise the hardware if the hardware
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1209) * doesn't start up with sane defaults.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1210) * Enable QoS for anything but station interfaces.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1211) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1212) ieee80211_set_wmm_default(sdata, true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1213) sdata->vif.type != NL80211_IFTYPE_STATION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1214) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1215)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1216) set_bit(SDATA_STATE_RUNNING, &sdata->state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1218) switch (sdata->vif.type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1219) case NL80211_IFTYPE_WDS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1220) /* Create STA entry for the WDS peer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1221) sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1222) GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1223) if (!sta) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1224) res = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1225) goto err_del_interface;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1226) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1227)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1228) sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1229) sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1230) sta_info_pre_move_state(sta, IEEE80211_STA_AUTHORIZED);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1232) res = sta_info_insert(sta);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1233) if (res) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1234) /* STA has been freed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1235) goto err_del_interface;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1236) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1237)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1238) rate_control_rate_init(sta);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1239) netif_carrier_on(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1240) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1241) case NL80211_IFTYPE_P2P_DEVICE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1242) rcu_assign_pointer(local->p2p_sdata, sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1243) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1244) case NL80211_IFTYPE_MONITOR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1245) if (sdata->u.mntr.flags & MONITOR_FLAG_COOK_FRAMES)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1246) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1247) list_add_tail_rcu(&sdata->u.mntr.list, &local->mon_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1248) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1249) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1250) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1251) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1252)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1253) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1254) * set_multicast_list will be invoked by the networking core
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1255) * which will check whether any increments here were done in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1256) * error and sync them down to the hardware as filter flags.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1257) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1258) if (sdata->flags & IEEE80211_SDATA_ALLMULTI)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1259) atomic_inc(&local->iff_allmultis);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1260)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1261) if (coming_up)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1262) local->open_count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1263)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1264) if (hw_reconf_flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1265) ieee80211_hw_config(local, hw_reconf_flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1267) ieee80211_recalc_ps(local);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1268)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1269) if (sdata->vif.type == NL80211_IFTYPE_MONITOR ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1270) sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1271) local->ops->wake_tx_queue) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1272) /* XXX: for AP_VLAN, actually track AP queues */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1273) if (dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1274) netif_tx_start_all_queues(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1275) } else if (dev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1276) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1277) int n_acs = IEEE80211_NUM_ACS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1278) int ac;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1279)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1280) if (local->hw.queues < IEEE80211_NUM_ACS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1281) n_acs = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1282)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1283) spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1284) if (sdata->vif.cab_queue == IEEE80211_INVAL_HW_QUEUE ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1285) (local->queue_stop_reasons[sdata->vif.cab_queue] == 0 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1286) skb_queue_empty(&local->pending[sdata->vif.cab_queue]))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1287) for (ac = 0; ac < n_acs; ac++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1288) int ac_queue = sdata->vif.hw_queue[ac];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1289)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1290) if (local->queue_stop_reasons[ac_queue] == 0 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1291) skb_queue_empty(&local->pending[ac_queue]))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1292) netif_start_subqueue(dev, ac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1293) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1294) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1295) spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1296) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1297)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1298) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1299) err_del_interface:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1300) drv_remove_interface(local, sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1301) err_stop:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1302) if (!local->open_count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1303) drv_stop(local);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1304) err_del_bss:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1305) sdata->bss = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1306) if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1307) mutex_lock(&local->mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1308) list_del(&sdata->u.vlan.list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1309) mutex_unlock(&local->mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1310) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1311) /* might already be clear but that doesn't matter */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1312) clear_bit(SDATA_STATE_RUNNING, &sdata->state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1313) return res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1314) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1315)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1316) static void ieee80211_if_free(struct net_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1317) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1318) free_percpu(dev->tstats);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1319) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1320)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1321) static void ieee80211_if_setup(struct net_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1322) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1323) ether_setup(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1324) dev->priv_flags &= ~IFF_TX_SKB_SHARING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1325) dev->netdev_ops = &ieee80211_dataif_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1326) dev->needs_free_netdev = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1327) dev->priv_destructor = ieee80211_if_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1328) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1329)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1330) static void ieee80211_if_setup_no_queue(struct net_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1331) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1332) ieee80211_if_setup(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1333) dev->priv_flags |= IFF_NO_QUEUE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1334) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1335)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1336) static void ieee80211_iface_work(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1337) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1338) struct ieee80211_sub_if_data *sdata =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1339) container_of(work, struct ieee80211_sub_if_data, work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1340) struct ieee80211_local *local = sdata->local;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1341) struct sk_buff *skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1342) struct sta_info *sta;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1343)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1344) if (!ieee80211_sdata_running(sdata))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1345) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1346)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1347) if (test_bit(SCAN_SW_SCANNING, &local->scanning))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1348) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1349)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1350) if (!ieee80211_can_run_worker(local))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1351) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1352)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1353) /* first process frames */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1354) while ((skb = skb_dequeue(&sdata->skb_queue))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1355) struct ieee80211_mgmt *mgmt = (void *)skb->data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1356)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1357) if (ieee80211_is_action(mgmt->frame_control) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1358) mgmt->u.action.category == WLAN_CATEGORY_BACK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1359) int len = skb->len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1360)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1361) mutex_lock(&local->sta_mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1362) sta = sta_info_get_bss(sdata, mgmt->sa);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1363) if (sta) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1364) switch (mgmt->u.action.u.addba_req.action_code) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1365) case WLAN_ACTION_ADDBA_REQ:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1366) ieee80211_process_addba_request(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1367) local, sta, mgmt, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1368) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1369) case WLAN_ACTION_ADDBA_RESP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1370) ieee80211_process_addba_resp(local, sta,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1371) mgmt, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1372) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1373) case WLAN_ACTION_DELBA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1374) ieee80211_process_delba(sdata, sta,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1375) mgmt, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1376) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1377) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1378) WARN_ON(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1379) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1380) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1381) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1382) mutex_unlock(&local->sta_mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1383) } else if (ieee80211_is_action(mgmt->frame_control) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1384) mgmt->u.action.category == WLAN_CATEGORY_VHT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1385) switch (mgmt->u.action.u.vht_group_notif.action_code) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1386) case WLAN_VHT_ACTION_OPMODE_NOTIF: {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1387) struct ieee80211_rx_status *status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1388) enum nl80211_band band;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1389) u8 opmode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1390)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1391) status = IEEE80211_SKB_RXCB(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1392) band = status->band;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1393) opmode = mgmt->u.action.u.vht_opmode_notif.operating_mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1394)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1395) mutex_lock(&local->sta_mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1396) sta = sta_info_get_bss(sdata, mgmt->sa);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1397)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1398) if (sta)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1399) ieee80211_vht_handle_opmode(sdata, sta,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1400) opmode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1401) band);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1402)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1403) mutex_unlock(&local->sta_mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1404) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1405) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1406) case WLAN_VHT_ACTION_GROUPID_MGMT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1407) ieee80211_process_mu_groups(sdata, mgmt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1408) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1409) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1410) WARN_ON(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1411) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1412) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1413) } else if (ieee80211_is_ext(mgmt->frame_control)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1414) if (sdata->vif.type == NL80211_IFTYPE_STATION)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1415) ieee80211_sta_rx_queued_ext(sdata, skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1416) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1417) WARN_ON(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1418) } else if (ieee80211_is_data_qos(mgmt->frame_control)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1419) struct ieee80211_hdr *hdr = (void *)mgmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1420) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1421) * So the frame isn't mgmt, but frame_control
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1422) * is at the right place anyway, of course, so
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1423) * the if statement is correct.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1424) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1425) * Warn if we have other data frame types here,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1426) * they must not get here.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1427) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1428) WARN_ON(hdr->frame_control &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1429) cpu_to_le16(IEEE80211_STYPE_NULLFUNC));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1430) WARN_ON(!(hdr->seq_ctrl &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1431) cpu_to_le16(IEEE80211_SCTL_FRAG)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1432) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1433) * This was a fragment of a frame, received while
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1434) * a block-ack session was active. That cannot be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1435) * right, so terminate the session.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1436) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1437) mutex_lock(&local->sta_mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1438) sta = sta_info_get_bss(sdata, mgmt->sa);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1439) if (sta) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1440) u16 tid = ieee80211_get_tid(hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1441)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1442) __ieee80211_stop_rx_ba_session(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1443) sta, tid, WLAN_BACK_RECIPIENT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1444) WLAN_REASON_QSTA_REQUIRE_SETUP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1445) true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1446) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1447) mutex_unlock(&local->sta_mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1448) } else switch (sdata->vif.type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1449) case NL80211_IFTYPE_STATION:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1450) ieee80211_sta_rx_queued_mgmt(sdata, skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1451) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1452) case NL80211_IFTYPE_ADHOC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1453) ieee80211_ibss_rx_queued_mgmt(sdata, skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1454) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1455) case NL80211_IFTYPE_MESH_POINT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1456) if (!ieee80211_vif_is_mesh(&sdata->vif))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1457) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1458) ieee80211_mesh_rx_queued_mgmt(sdata, skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1459) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1460) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1461) WARN(1, "frame for unexpected interface type");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1462) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1463) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1464)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1465) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1466) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1467)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1468) /* then other type-dependent work */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1469) switch (sdata->vif.type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1470) case NL80211_IFTYPE_STATION:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1471) ieee80211_sta_work(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1472) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1473) case NL80211_IFTYPE_ADHOC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1474) ieee80211_ibss_work(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1475) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1476) case NL80211_IFTYPE_MESH_POINT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1477) if (!ieee80211_vif_is_mesh(&sdata->vif))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1478) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1479) ieee80211_mesh_work(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1480) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1481) case NL80211_IFTYPE_OCB:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1482) ieee80211_ocb_work(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1483) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1484) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1485) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1486) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1487) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1488)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1489) static void ieee80211_recalc_smps_work(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1490) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1491) struct ieee80211_sub_if_data *sdata =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1492) container_of(work, struct ieee80211_sub_if_data, recalc_smps);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1493)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1494) ieee80211_recalc_smps(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1495) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1496)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1497) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1498) * Helper function to initialise an interface to a specific type.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1499) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1500) static void ieee80211_setup_sdata(struct ieee80211_sub_if_data *sdata,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1501) enum nl80211_iftype type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1502) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1503) static const u8 bssid_wildcard[ETH_ALEN] = {0xff, 0xff, 0xff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1504) 0xff, 0xff, 0xff};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1505)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1506) /* clear type-dependent union */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1507) memset(&sdata->u, 0, sizeof(sdata->u));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1508)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1509) /* and set some type-dependent values */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1510) sdata->vif.type = type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1511) sdata->vif.p2p = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1512) sdata->wdev.iftype = type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1513)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1514) sdata->control_port_protocol = cpu_to_be16(ETH_P_PAE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1515) sdata->control_port_no_encrypt = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1516) sdata->control_port_over_nl80211 = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1517) sdata->control_port_no_preauth = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1518) sdata->encrypt_headroom = IEEE80211_ENCRYPT_HEADROOM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1519) sdata->vif.bss_conf.idle = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1520) sdata->vif.bss_conf.txpower = INT_MIN; /* unset */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1521)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1522) sdata->noack_map = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1523)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1524) /* only monitor/p2p-device differ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1525) if (sdata->dev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1526) sdata->dev->netdev_ops = &ieee80211_dataif_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1527) sdata->dev->type = ARPHRD_ETHER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1528) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1529)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1530) skb_queue_head_init(&sdata->skb_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1531) INIT_WORK(&sdata->work, ieee80211_iface_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1532) INIT_WORK(&sdata->recalc_smps, ieee80211_recalc_smps_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1533) INIT_WORK(&sdata->csa_finalize_work, ieee80211_csa_finalize_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1534) INIT_LIST_HEAD(&sdata->assigned_chanctx_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1535) INIT_LIST_HEAD(&sdata->reserved_chanctx_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1536)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1537) switch (type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1538) case NL80211_IFTYPE_P2P_GO:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1539) type = NL80211_IFTYPE_AP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1540) sdata->vif.type = type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1541) sdata->vif.p2p = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1542) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1543) case NL80211_IFTYPE_AP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1544) skb_queue_head_init(&sdata->u.ap.ps.bc_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1545) INIT_LIST_HEAD(&sdata->u.ap.vlans);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1546) sdata->vif.bss_conf.bssid = sdata->vif.addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1547) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1548) case NL80211_IFTYPE_P2P_CLIENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1549) type = NL80211_IFTYPE_STATION;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1550) sdata->vif.type = type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1551) sdata->vif.p2p = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1552) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1553) case NL80211_IFTYPE_STATION:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1554) sdata->vif.bss_conf.bssid = sdata->u.mgd.bssid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1555) ieee80211_sta_setup_sdata(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1556) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1557) case NL80211_IFTYPE_OCB:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1558) sdata->vif.bss_conf.bssid = bssid_wildcard;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1559) ieee80211_ocb_setup_sdata(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1560) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1561) case NL80211_IFTYPE_ADHOC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1562) sdata->vif.bss_conf.bssid = sdata->u.ibss.bssid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1563) ieee80211_ibss_setup_sdata(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1564) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1565) case NL80211_IFTYPE_MESH_POINT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1566) if (ieee80211_vif_is_mesh(&sdata->vif))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1567) ieee80211_mesh_init_sdata(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1568) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1569) case NL80211_IFTYPE_MONITOR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1570) sdata->dev->type = ARPHRD_IEEE80211_RADIOTAP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1571) sdata->dev->netdev_ops = &ieee80211_monitorif_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1572) sdata->u.mntr.flags = MONITOR_FLAG_CONTROL |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1573) MONITOR_FLAG_OTHER_BSS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1574) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1575) case NL80211_IFTYPE_WDS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1576) sdata->vif.bss_conf.bssid = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1577) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1578) case NL80211_IFTYPE_NAN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1579) idr_init(&sdata->u.nan.function_inst_ids);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1580) spin_lock_init(&sdata->u.nan.func_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1581) sdata->vif.bss_conf.bssid = sdata->vif.addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1582) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1583) case NL80211_IFTYPE_AP_VLAN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1584) case NL80211_IFTYPE_P2P_DEVICE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1585) sdata->vif.bss_conf.bssid = sdata->vif.addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1586) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1587) case NL80211_IFTYPE_UNSPECIFIED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1588) case NUM_NL80211_IFTYPES:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1589) WARN_ON(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1590) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1591) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1592)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1593) ieee80211_debugfs_add_netdev(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1594) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1595)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1596) static int ieee80211_runtime_change_iftype(struct ieee80211_sub_if_data *sdata,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1597) enum nl80211_iftype type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1598) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1599) struct ieee80211_local *local = sdata->local;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1600) int ret, err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1601) enum nl80211_iftype internal_type = type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1602) bool p2p = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1603)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1604) ASSERT_RTNL();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1605)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1606) if (!local->ops->change_interface)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1607) return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1608)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1609) switch (sdata->vif.type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1610) case NL80211_IFTYPE_AP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1611) case NL80211_IFTYPE_STATION:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1612) case NL80211_IFTYPE_ADHOC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1613) case NL80211_IFTYPE_OCB:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1614) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1615) * Could maybe also all others here?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1616) * Just not sure how that interacts
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1617) * with the RX/config path e.g. for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1618) * mesh.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1619) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1620) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1621) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1622) return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1623) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1624)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1625) switch (type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1626) case NL80211_IFTYPE_AP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1627) case NL80211_IFTYPE_STATION:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1628) case NL80211_IFTYPE_ADHOC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1629) case NL80211_IFTYPE_OCB:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1630) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1631) * Could probably support everything
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1632) * but WDS here (WDS do_open can fail
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1633) * under memory pressure, which this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1634) * code isn't prepared to handle).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1635) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1636) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1637) case NL80211_IFTYPE_P2P_CLIENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1638) p2p = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1639) internal_type = NL80211_IFTYPE_STATION;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1640) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1641) case NL80211_IFTYPE_P2P_GO:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1642) p2p = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1643) internal_type = NL80211_IFTYPE_AP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1644) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1645) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1646) return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1647) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1648)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1649) ret = ieee80211_check_concurrent_iface(sdata, internal_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1650) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1651) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1652)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1653) ieee80211_stop_vif_queues(local, sdata,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1654) IEEE80211_QUEUE_STOP_REASON_IFTYPE_CHANGE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1655) synchronize_net();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1656)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1657) ieee80211_do_stop(sdata, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1658)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1659) ieee80211_teardown_sdata(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1660)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1661) ieee80211_set_sdata_offload_flags(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1662) ret = drv_change_interface(local, sdata, internal_type, p2p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1663) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1664) type = ieee80211_vif_type_p2p(&sdata->vif);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1665)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1666) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1667) * Ignore return value here, there's not much we can do since
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1668) * the driver changed the interface type internally already.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1669) * The warnings will hopefully make driver authors fix it :-)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1670) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1671) ieee80211_check_queues(sdata, type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1672)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1673) ieee80211_setup_sdata(sdata, type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1674) ieee80211_set_vif_encap_ops(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1675)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1676) err = ieee80211_do_open(&sdata->wdev, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1677) WARN(err, "type change: do_open returned %d", err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1678)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1679) ieee80211_wake_vif_queues(local, sdata,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1680) IEEE80211_QUEUE_STOP_REASON_IFTYPE_CHANGE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1681) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1682) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1683)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1684) int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1685) enum nl80211_iftype type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1686) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1687) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1688)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1689) ASSERT_RTNL();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1690)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1691) if (type == ieee80211_vif_type_p2p(&sdata->vif))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1692) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1693)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1694) if (ieee80211_sdata_running(sdata)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1695) ret = ieee80211_runtime_change_iftype(sdata, type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1696) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1697) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1698) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1699) /* Purge and reset type-dependent state. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1700) ieee80211_teardown_sdata(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1701) ieee80211_setup_sdata(sdata, type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1702) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1703)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1704) /* reset some values that shouldn't be kept across type changes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1705) if (type == NL80211_IFTYPE_STATION)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1706) sdata->u.mgd.use_4addr = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1707)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1708) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1709) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1710)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1711) static void ieee80211_assign_perm_addr(struct ieee80211_local *local,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1712) u8 *perm_addr, enum nl80211_iftype type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1713) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1714) struct ieee80211_sub_if_data *sdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1715) u64 mask, start, addr, val, inc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1716) u8 *m;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1717) u8 tmp_addr[ETH_ALEN];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1718) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1719)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1720) /* default ... something at least */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1721) memcpy(perm_addr, local->hw.wiphy->perm_addr, ETH_ALEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1722)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1723) if (is_zero_ether_addr(local->hw.wiphy->addr_mask) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1724) local->hw.wiphy->n_addresses <= 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1725) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1726)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1727) mutex_lock(&local->iflist_mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1728)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1729) switch (type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1730) case NL80211_IFTYPE_MONITOR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1731) /* doesn't matter */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1732) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1733) case NL80211_IFTYPE_WDS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1734) case NL80211_IFTYPE_AP_VLAN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1735) /* match up with an AP interface */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1736) list_for_each_entry(sdata, &local->interfaces, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1737) if (sdata->vif.type != NL80211_IFTYPE_AP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1738) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1739) memcpy(perm_addr, sdata->vif.addr, ETH_ALEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1740) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1741) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1742) /* keep default if no AP interface present */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1743) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1744) case NL80211_IFTYPE_P2P_CLIENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1745) case NL80211_IFTYPE_P2P_GO:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1746) if (ieee80211_hw_check(&local->hw, P2P_DEV_ADDR_FOR_INTF)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1747) list_for_each_entry(sdata, &local->interfaces, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1748) if (sdata->vif.type != NL80211_IFTYPE_P2P_DEVICE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1749) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1750) if (!ieee80211_sdata_running(sdata))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1751) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1752) memcpy(perm_addr, sdata->vif.addr, ETH_ALEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1753) goto out_unlock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1754) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1755) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1756) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1757) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1758) /* assign a new address if possible -- try n_addresses first */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1759) for (i = 0; i < local->hw.wiphy->n_addresses; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1760) bool used = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1761)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1762) list_for_each_entry(sdata, &local->interfaces, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1763) if (ether_addr_equal(local->hw.wiphy->addresses[i].addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1764) sdata->vif.addr)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1765) used = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1766) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1767) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1768) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1769)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1770) if (!used) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1771) memcpy(perm_addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1772) local->hw.wiphy->addresses[i].addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1773) ETH_ALEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1774) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1775) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1776) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1777)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1778) /* try mask if available */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1779) if (is_zero_ether_addr(local->hw.wiphy->addr_mask))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1780) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1781)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1782) m = local->hw.wiphy->addr_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1783) mask = ((u64)m[0] << 5*8) | ((u64)m[1] << 4*8) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1784) ((u64)m[2] << 3*8) | ((u64)m[3] << 2*8) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1785) ((u64)m[4] << 1*8) | ((u64)m[5] << 0*8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1786)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1787) if (__ffs64(mask) + hweight64(mask) != fls64(mask)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1788) /* not a contiguous mask ... not handled now! */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1789) pr_info("not contiguous\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1790) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1791) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1792)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1793) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1794) * Pick address of existing interface in case user changed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1795) * MAC address manually, default to perm_addr.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1796) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1797) m = local->hw.wiphy->perm_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1798) list_for_each_entry(sdata, &local->interfaces, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1799) if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1800) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1801) m = sdata->vif.addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1802) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1803) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1804) start = ((u64)m[0] << 5*8) | ((u64)m[1] << 4*8) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1805) ((u64)m[2] << 3*8) | ((u64)m[3] << 2*8) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1806) ((u64)m[4] << 1*8) | ((u64)m[5] << 0*8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1807)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1808) inc = 1ULL<<__ffs64(mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1809) val = (start & mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1810) addr = (start & ~mask) | (val & mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1811) do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1812) bool used = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1813)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1814) tmp_addr[5] = addr >> 0*8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1815) tmp_addr[4] = addr >> 1*8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1816) tmp_addr[3] = addr >> 2*8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1817) tmp_addr[2] = addr >> 3*8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1818) tmp_addr[1] = addr >> 4*8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1819) tmp_addr[0] = addr >> 5*8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1820)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1821) val += inc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1822)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1823) list_for_each_entry(sdata, &local->interfaces, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1824) if (ether_addr_equal(tmp_addr, sdata->vif.addr)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1825) used = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1826) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1827) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1828) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1829)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1830) if (!used) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1831) memcpy(perm_addr, tmp_addr, ETH_ALEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1832) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1833) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1834) addr = (start & ~mask) | (val & mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1835) } while (addr != start);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1836)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1837) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1838) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1839)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1840) out_unlock:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1841) mutex_unlock(&local->iflist_mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1842) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1843)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1844) int ieee80211_if_add(struct ieee80211_local *local, const char *name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1845) unsigned char name_assign_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1846) struct wireless_dev **new_wdev, enum nl80211_iftype type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1847) struct vif_params *params)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1848) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1849) struct net_device *ndev = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1850) struct ieee80211_sub_if_data *sdata = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1851) struct txq_info *txqi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1852) void (*if_setup)(struct net_device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1853) int ret, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1854) int txqs = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1855)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1856) ASSERT_RTNL();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1857)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1858) if (type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1859) struct wireless_dev *wdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1860)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1861) sdata = kzalloc(sizeof(*sdata) + local->hw.vif_data_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1862) GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1863) if (!sdata)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1864) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1865) wdev = &sdata->wdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1866)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1867) sdata->dev = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1868) strlcpy(sdata->name, name, IFNAMSIZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1869) ieee80211_assign_perm_addr(local, wdev->address, type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1870) memcpy(sdata->vif.addr, wdev->address, ETH_ALEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1871) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1872) int size = ALIGN(sizeof(*sdata) + local->hw.vif_data_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1873) sizeof(void *));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1874) int txq_size = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1875)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1876) if (local->ops->wake_tx_queue &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1877) type != NL80211_IFTYPE_AP_VLAN &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1878) (type != NL80211_IFTYPE_MONITOR ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1879) (params->flags & MONITOR_FLAG_ACTIVE)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1880) txq_size += sizeof(struct txq_info) +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1881) local->hw.txq_data_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1882)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1883) if (local->ops->wake_tx_queue) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1884) if_setup = ieee80211_if_setup_no_queue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1885) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1886) if_setup = ieee80211_if_setup;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1887) if (local->hw.queues >= IEEE80211_NUM_ACS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1888) txqs = IEEE80211_NUM_ACS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1889) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1890)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1891) ndev = alloc_netdev_mqs(size + txq_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1892) name, name_assign_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1893) if_setup, txqs, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1894) if (!ndev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1895) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1896)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1897) if (!local->ops->wake_tx_queue && local->hw.wiphy->tx_queue_len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1898) ndev->tx_queue_len = local->hw.wiphy->tx_queue_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1899)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1900) dev_net_set(ndev, wiphy_net(local->hw.wiphy));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1901)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1902) ndev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1903) if (!ndev->tstats) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1904) free_netdev(ndev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1905) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1906) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1907)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1908) ndev->needed_headroom = local->tx_headroom +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1909) 4*6 /* four MAC addresses */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1910) + 2 + 2 + 2 + 2 /* ctl, dur, seq, qos */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1911) + 6 /* mesh */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1912) + 8 /* rfc1042/bridge tunnel */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1913) - ETH_HLEN /* ethernet hard_header_len */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1914) + IEEE80211_ENCRYPT_HEADROOM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1915) ndev->needed_tailroom = IEEE80211_ENCRYPT_TAILROOM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1916)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1917) ret = dev_alloc_name(ndev, ndev->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1918) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1919) ieee80211_if_free(ndev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1920) free_netdev(ndev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1921) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1922) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1923)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1924) ieee80211_assign_perm_addr(local, ndev->perm_addr, type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1925) if (is_valid_ether_addr(params->macaddr))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1926) memcpy(ndev->dev_addr, params->macaddr, ETH_ALEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1927) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1928) memcpy(ndev->dev_addr, ndev->perm_addr, ETH_ALEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1929) SET_NETDEV_DEV(ndev, wiphy_dev(local->hw.wiphy));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1930)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1931) /* don't use IEEE80211_DEV_TO_SUB_IF -- it checks too much */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1932) sdata = netdev_priv(ndev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1933) ndev->ieee80211_ptr = &sdata->wdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1934) memcpy(sdata->vif.addr, ndev->dev_addr, ETH_ALEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1935) memcpy(sdata->name, ndev->name, IFNAMSIZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1936)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1937) if (txq_size) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1938) txqi = netdev_priv(ndev) + size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1939) ieee80211_txq_init(sdata, NULL, txqi, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1940) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1941)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1942) sdata->dev = ndev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1943) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1944)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1945) /* initialise type-independent data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1946) sdata->wdev.wiphy = local->hw.wiphy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1947) sdata->local = local;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1948)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1949) ieee80211_init_frag_cache(&sdata->frags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1950)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1951) INIT_LIST_HEAD(&sdata->key_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1952)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1953) INIT_DELAYED_WORK(&sdata->dfs_cac_timer_work,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1954) ieee80211_dfs_cac_timer_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1955) INIT_DELAYED_WORK(&sdata->dec_tailroom_needed_wk,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1956) ieee80211_delayed_tailroom_dec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1957)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1958) for (i = 0; i < NUM_NL80211_BANDS; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1959) struct ieee80211_supported_band *sband;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1960) sband = local->hw.wiphy->bands[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1961) sdata->rc_rateidx_mask[i] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1962) sband ? (1 << sband->n_bitrates) - 1 : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1963) if (sband) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1964) __le16 cap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1965) u16 *vht_rate_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1966)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1967) memcpy(sdata->rc_rateidx_mcs_mask[i],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1968) sband->ht_cap.mcs.rx_mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1969) sizeof(sdata->rc_rateidx_mcs_mask[i]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1970)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1971) cap = sband->vht_cap.vht_mcs.rx_mcs_map;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1972) vht_rate_mask = sdata->rc_rateidx_vht_mcs_mask[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1973) ieee80211_get_vht_mask_from_cap(cap, vht_rate_mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1974) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1975) memset(sdata->rc_rateidx_mcs_mask[i], 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1976) sizeof(sdata->rc_rateidx_mcs_mask[i]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1977) memset(sdata->rc_rateidx_vht_mcs_mask[i], 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1978) sizeof(sdata->rc_rateidx_vht_mcs_mask[i]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1979) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1980) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1981)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1982) ieee80211_set_default_queues(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1983)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1984) sdata->ap_power_level = IEEE80211_UNSET_POWER_LEVEL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1985) sdata->user_power_level = local->user_power_level;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1986)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1987) sdata->encrypt_headroom = IEEE80211_ENCRYPT_HEADROOM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1988)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1989) /* setup type-dependent data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1990) ieee80211_setup_sdata(sdata, type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1991)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1992) if (ndev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1993) ndev->ieee80211_ptr->use_4addr = params->use_4addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1994) if (type == NL80211_IFTYPE_STATION)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1995) sdata->u.mgd.use_4addr = params->use_4addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1996)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1997) ndev->features |= local->hw.netdev_features;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1998) ndev->hw_features |= ndev->features &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1999) MAC80211_SUPPORTED_FEATURES_TX;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2001) netdev_set_default_ethtool_ops(ndev, &ieee80211_ethtool_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2002)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2003) /* MTU range is normally 256 - 2304, where the upper limit is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2004) * the maximum MSDU size. Monitor interfaces send and receive
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2005) * MPDU and A-MSDU frames which may be much larger so we do
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2006) * not impose an upper limit in that case.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2007) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2008) ndev->min_mtu = 256;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2009) if (type == NL80211_IFTYPE_MONITOR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2010) ndev->max_mtu = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2011) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2012) ndev->max_mtu = local->hw.max_mtu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2013)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2014) ret = register_netdevice(ndev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2015) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2016) free_netdev(ndev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2017) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2018) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2019) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2020)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2021) mutex_lock(&local->iflist_mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2022) list_add_tail_rcu(&sdata->list, &local->interfaces);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2023) mutex_unlock(&local->iflist_mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2024)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2025) if (new_wdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2026) *new_wdev = &sdata->wdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2027)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2028) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2029) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2030)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2031) void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2032) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2033) ASSERT_RTNL();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2034)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2035) mutex_lock(&sdata->local->iflist_mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2036) list_del_rcu(&sdata->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2037) mutex_unlock(&sdata->local->iflist_mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2038)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2039) if (sdata->vif.txq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2040) ieee80211_txq_purge(sdata->local, to_txq_info(sdata->vif.txq));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2041)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2042) synchronize_rcu();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2043)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2044) if (sdata->dev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2045) unregister_netdevice(sdata->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2046) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2047) cfg80211_unregister_wdev(&sdata->wdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2048) ieee80211_teardown_sdata(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2049) kfree(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2050) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2051) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2052)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2053) void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2054) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2055) if (WARN_ON_ONCE(!test_bit(SDATA_STATE_RUNNING, &sdata->state)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2056) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2057) ieee80211_do_stop(sdata, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2058) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2059)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2060) void ieee80211_remove_interfaces(struct ieee80211_local *local)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2061) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2062) struct ieee80211_sub_if_data *sdata, *tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2063) LIST_HEAD(unreg_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2064) LIST_HEAD(wdev_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2065)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2066) ASSERT_RTNL();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2067)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2068) /* Before destroying the interfaces, make sure they're all stopped so
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2069) * that the hardware is stopped. Otherwise, the driver might still be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2070) * iterating the interfaces during the shutdown, e.g. from a worker
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2071) * or from RX processing or similar, and if it does so (using atomic
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2072) * iteration) while we're manipulating the list, the iteration will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2073) * crash.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2074) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2075) * After this, the hardware should be stopped and the driver should
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2076) * have stopped all of its activities, so that we can do RCU-unaware
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2077) * manipulations of the interface list below.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2078) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2079) cfg80211_shutdown_all_interfaces(local->hw.wiphy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2080)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2081) WARN(local->open_count, "%s: open count remains %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2082) wiphy_name(local->hw.wiphy), local->open_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2083)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2084) ieee80211_txq_teardown_flows(local);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2085)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2086) mutex_lock(&local->iflist_mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2087) list_for_each_entry_safe(sdata, tmp, &local->interfaces, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2088) list_del(&sdata->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2089)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2090) if (sdata->dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2091) unregister_netdevice_queue(sdata->dev, &unreg_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2092) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2093) list_add(&sdata->list, &wdev_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2094) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2095) mutex_unlock(&local->iflist_mtx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2096) unregister_netdevice_many(&unreg_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2097)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2098) list_for_each_entry_safe(sdata, tmp, &wdev_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2099) list_del(&sdata->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2100) cfg80211_unregister_wdev(&sdata->wdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2101) kfree(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2102) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2103) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2105) static int netdev_notify(struct notifier_block *nb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2106) unsigned long state, void *ptr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2107) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2108) struct net_device *dev = netdev_notifier_info_to_dev(ptr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2109) struct ieee80211_sub_if_data *sdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2111) if (state != NETDEV_CHANGENAME)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2112) return NOTIFY_DONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2114) if (!dev->ieee80211_ptr || !dev->ieee80211_ptr->wiphy)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2115) return NOTIFY_DONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2117) if (dev->ieee80211_ptr->wiphy->privid != mac80211_wiphy_privid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2118) return NOTIFY_DONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2120) sdata = IEEE80211_DEV_TO_SUB_IF(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2121) memcpy(sdata->name, dev->name, IFNAMSIZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2122) ieee80211_debugfs_rename_netdev(sdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2124) return NOTIFY_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2125) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2126)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2127) static struct notifier_block mac80211_netdev_notifier = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2128) .notifier_call = netdev_notify,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2129) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2131) int ieee80211_iface_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2132) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2133) return register_netdevice_notifier(&mac80211_netdev_notifier);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2134) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2136) void ieee80211_iface_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2137) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2138) unregister_netdevice_notifier(&mac80211_netdev_notifier);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2139) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2141) void ieee80211_vif_inc_num_mcast(struct ieee80211_sub_if_data *sdata)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2142) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2143) if (sdata->vif.type == NL80211_IFTYPE_AP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2144) atomic_inc(&sdata->u.ap.num_mcast_sta);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2145) else if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2146) atomic_inc(&sdata->u.vlan.num_mcast_sta);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2147) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2149) void ieee80211_vif_dec_num_mcast(struct ieee80211_sub_if_data *sdata)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2150) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2151) if (sdata->vif.type == NL80211_IFTYPE_AP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2152) atomic_dec(&sdata->u.ap.num_mcast_sta);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2153) else if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2154) atomic_dec(&sdata->u.vlan.num_mcast_sta);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2155) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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