diff options
Diffstat (limited to 'net/mac80211')
-rw-r--r-- | net/mac80211/cfg.c | 42 | ||||
-rw-r--r-- | net/mac80211/chan.c | 11 | ||||
-rw-r--r-- | net/mac80211/debugfs_netdev.c | 11 | ||||
-rw-r--r-- | net/mac80211/debugfs_sta.c | 2 | ||||
-rw-r--r-- | net/mac80211/ibss.c | 140 | ||||
-rw-r--r-- | net/mac80211/ieee80211_i.h | 35 | ||||
-rw-r--r-- | net/mac80211/iface.c | 116 | ||||
-rw-r--r-- | net/mac80211/main.c | 75 | ||||
-rw-r--r-- | net/mac80211/mesh.c | 2 | ||||
-rw-r--r-- | net/mac80211/mesh.h | 3 | ||||
-rw-r--r-- | net/mac80211/mesh_hwmp.c | 26 | ||||
-rw-r--r-- | net/mac80211/mesh_pathtbl.c | 56 | ||||
-rw-r--r-- | net/mac80211/mlme.c | 128 | ||||
-rw-r--r-- | net/mac80211/offchannel.c | 6 | ||||
-rw-r--r-- | net/mac80211/pm.c | 8 | ||||
-rw-r--r-- | net/mac80211/scan.c | 11 | ||||
-rw-r--r-- | net/mac80211/trace.h | 43 | ||||
-rw-r--r-- | net/mac80211/tx.c | 11 | ||||
-rw-r--r-- | net/mac80211/util.c | 53 |
19 files changed, 406 insertions, 373 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index c50c1940258..764dd9a6a07 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -805,8 +805,7 @@ static int ieee80211_set_monitor_channel(struct wiphy *wiphy, IEEE80211_CHANCTX_EXCLUSIVE); } } else if (local->open_count == local->monitors) { - local->_oper_channel = chandef->chan; - local->_oper_channel_type = cfg80211_get_chandef_type(chandef); + local->_oper_chandef = *chandef; ieee80211_hw_config(local, 0); } @@ -965,8 +964,13 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, sdata->vif.bss_conf.hidden_ssid = (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE); - sdata->vif.bss_conf.p2p_ctwindow = params->p2p_ctwindow; - sdata->vif.bss_conf.p2p_oppps = params->p2p_opp_ps; + memset(&sdata->vif.bss_conf.p2p_noa_attr, 0, + sizeof(sdata->vif.bss_conf.p2p_noa_attr)); + sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow = + params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; + if (params->p2p_opp_ps) + sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= + IEEE80211_P2P_OPPPS_ENABLE_BIT; err = ieee80211_assign_beacon(sdata, ¶ms->beacon); if (err < 0) @@ -1536,7 +1540,6 @@ static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, struct ieee80211_sub_if_data *sdata; struct mesh_path *mpath; struct sta_info *sta; - int err; sdata = IEEE80211_DEV_TO_SUB_IF(dev); @@ -1547,17 +1550,12 @@ static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, return -ENOENT; } - err = mesh_path_add(sdata, dst); - if (err) { + mpath = mesh_path_add(sdata, dst); + if (IS_ERR(mpath)) { rcu_read_unlock(); - return err; + return PTR_ERR(mpath); } - mpath = mesh_path_lookup(sdata, dst); - if (!mpath) { - rcu_read_unlock(); - return -ENXIO; - } mesh_path_fix_nexthop(mpath, sta); rcu_read_unlock(); @@ -1961,12 +1959,20 @@ static int ieee80211_change_bss(struct wiphy *wiphy, } if (params->p2p_ctwindow >= 0) { - sdata->vif.bss_conf.p2p_ctwindow = params->p2p_ctwindow; + sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= + ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK; + sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= + params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; changed |= BSS_CHANGED_P2P_PS; } - if (params->p2p_opp_ps >= 0) { - sdata->vif.bss_conf.p2p_oppps = params->p2p_opp_ps; + if (params->p2p_opp_ps > 0) { + sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= + IEEE80211_P2P_OPPPS_ENABLE_BIT; + changed |= BSS_CHANGED_P2P_PS; + } else if (params->p2p_opp_ps == 0) { + sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= + ~IEEE80211_P2P_OPPPS_ENABLE_BIT; changed |= BSS_CHANGED_P2P_PS; } @@ -3362,9 +3368,7 @@ static int ieee80211_cfg_get_channel(struct wiphy *wiphy, if (local->use_chanctx) *chandef = local->monitor_chandef; else - cfg80211_chandef_create(chandef, - local->_oper_channel, - local->_oper_channel_type); + *chandef = local->_oper_chandef; ret = 0; } rcu_read_unlock(); diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c index 931be419ab5..7d0baa89c78 100644 --- a/net/mac80211/chan.c +++ b/net/mac80211/chan.c @@ -22,7 +22,7 @@ static void ieee80211_change_chanctx(struct ieee80211_local *local, drv_change_chanctx(local, ctx, IEEE80211_CHANCTX_CHANGE_WIDTH); if (!local->use_chanctx) { - local->_oper_channel_type = cfg80211_get_chandef_type(chandef); + local->_oper_chandef = *chandef; ieee80211_hw_config(local, 0); } } @@ -85,9 +85,7 @@ ieee80211_new_chanctx(struct ieee80211_local *local, ieee80211_hw_config(local, changed); if (!local->use_chanctx) { - local->_oper_channel_type = - cfg80211_get_chandef_type(chandef); - local->_oper_channel = chandef->chan; + local->_oper_chandef = *chandef; ieee80211_hw_config(local, 0); } else { err = drv_add_chanctx(local, ctx); @@ -117,7 +115,10 @@ static void ieee80211_free_chanctx(struct ieee80211_local *local, WARN_ON_ONCE(ctx->refcount != 0); if (!local->use_chanctx) { - local->_oper_channel_type = NL80211_CHAN_NO_HT; + struct cfg80211_chan_def *chandef = &local->_oper_chandef; + chandef->width = NL80211_CHAN_WIDTH_20_NOHT; + chandef->center_freq1 = chandef->chan->center_freq; + chandef->center_freq2 = 0; ieee80211_hw_config(local, 0); } else { drv_remove_chanctx(local, ctx); diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c index ddb42686790..14abcf44f97 100644 --- a/net/mac80211/debugfs_netdev.c +++ b/net/mac80211/debugfs_netdev.c @@ -124,6 +124,15 @@ static ssize_t ieee80211_if_fmt_##name( \ return scnprintf(buf, buflen, "%d\n", sdata->field / 16); \ } +#define IEEE80211_IF_FMT_JIFFIES_TO_MS(name, field) \ +static ssize_t ieee80211_if_fmt_##name( \ + const struct ieee80211_sub_if_data *sdata, \ + char *buf, int buflen) \ +{ \ + return scnprintf(buf, buflen, "%d\n", \ + jiffies_to_msecs(sdata->field)); \ +} + #define __IEEE80211_IF_FILE(name, _write) \ static ssize_t ieee80211_if_read_##name(struct file *file, \ char __user *userbuf, \ @@ -197,6 +206,7 @@ IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC); IEEE80211_IF_FILE(aid, u.mgd.aid, DEC); IEEE80211_IF_FILE(last_beacon, u.mgd.last_beacon_signal, DEC); IEEE80211_IF_FILE(ave_beacon, u.mgd.ave_beacon_signal, DEC_DIV_16); +IEEE80211_IF_FILE(beacon_timeout, u.mgd.beacon_timeout, JIFFIES_TO_MS); static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata, enum ieee80211_smps_mode smps_mode) @@ -542,6 +552,7 @@ static void add_sta_files(struct ieee80211_sub_if_data *sdata) DEBUGFS_ADD(aid); DEBUGFS_ADD(last_beacon); DEBUGFS_ADD(ave_beacon); + DEBUGFS_ADD(beacon_timeout); DEBUGFS_ADD_MODE(smps, 0600); DEBUGFS_ADD_MODE(tkip_mic_test, 0200); DEBUGFS_ADD_MODE(uapsd_queues, 0600); diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c index 4f841fe559d..44e201d60a1 100644 --- a/net/mac80211/debugfs_sta.c +++ b/net/mac80211/debugfs_sta.c @@ -54,6 +54,7 @@ STA_FILE(aid, sta.aid, D); STA_FILE(dev, sdata->name, S); STA_FILE(last_signal, last_signal, D); STA_FILE(last_ack_signal, last_ack_signal, D); +STA_FILE(beacon_loss_count, beacon_loss_count, D); static ssize_t sta_flags_read(struct file *file, char __user *userbuf, size_t count, loff_t *ppos) @@ -434,6 +435,7 @@ void ieee80211_sta_debugfs_add(struct sta_info *sta) DEBUGFS_ADD(agg_status); DEBUGFS_ADD(dev); DEBUGFS_ADD(last_signal); + DEBUGFS_ADD(beacon_loss_count); DEBUGFS_ADD(ht_capa); DEBUGFS_ADD(vht_capa); DEBUGFS_ADD(last_ack_signal); diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c index 539d4a11b47..2a0b2186d98 100644 --- a/net/mac80211/ibss.c +++ b/net/mac80211/ibss.c @@ -44,7 +44,6 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata, struct ieee80211_if_ibss *ifibss = &sdata->u.ibss; struct ieee80211_local *local = sdata->local; int rates, i; - struct sk_buff *skb; struct ieee80211_mgmt *mgmt; u8 *pos; struct ieee80211_supported_band *sband; @@ -52,20 +51,14 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata, u32 bss_change; u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; struct cfg80211_chan_def chandef; + struct beacon_data *presp; + int frame_len; lockdep_assert_held(&ifibss->mtx); /* Reset own TSF to allow time synchronization work. */ drv_reset_tsf(local, sdata); - skb = ifibss->skb; - RCU_INIT_POINTER(ifibss->presp, NULL); - synchronize_rcu(); - skb->data = skb->head; - skb->len = 0; - skb_reset_tail_pointer(skb); - skb_reserve(skb, sdata->local->hw.extra_tx_headroom); - if (!ether_addr_equal(ifibss->bssid, bssid)) sta_info_flush(sdata); @@ -73,10 +66,19 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata, if (sdata->vif.bss_conf.ibss_joined) { sdata->vif.bss_conf.ibss_joined = false; sdata->vif.bss_conf.ibss_creator = false; + sdata->vif.bss_conf.enable_beacon = false; netif_carrier_off(sdata->dev); - ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_IBSS); + ieee80211_bss_info_change_notify(sdata, + BSS_CHANGED_IBSS | + BSS_CHANGED_BEACON_ENABLED); } + presp = rcu_dereference_protected(ifibss->presp, + lockdep_is_held(&ifibss->mtx)); + rcu_assign_pointer(ifibss->presp, NULL); + if (presp) + kfree_rcu(presp, rcu_head); + sdata->drop_unencrypted = capability & WLAN_CAPABILITY_PRIVACY ? 1 : 0; cfg80211_chandef_create(&chandef, chan, ifibss->channel_type); @@ -98,19 +100,24 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata, sband = local->hw.wiphy->bands[chan->band]; - /* build supported rates array */ - pos = supp_rates; - for (i = 0; i < sband->n_bitrates; i++) { - int rate = sband->bitrates[i].bitrate; - u8 basic = 0; - if (basic_rates & BIT(i)) - basic = 0x80; - *pos++ = basic | (u8) (rate / 5); - } - /* Build IBSS probe response */ - mgmt = (void *) skb_put(skb, 24 + sizeof(mgmt->u.beacon)); - memset(mgmt, 0, 24 + sizeof(mgmt->u.beacon)); + frame_len = sizeof(struct ieee80211_hdr_3addr) + + 12 /* struct ieee80211_mgmt.u.beacon */ + + 2 + IEEE80211_MAX_SSID_LEN /* max SSID */ + + 2 + 8 /* max Supported Rates */ + + 3 /* max DS params */ + + 4 /* IBSS params */ + + 2 + (IEEE80211_MAX_SUPP_RATES - 8) + + 2 + sizeof(struct ieee80211_ht_cap) + + 2 + sizeof(struct ieee80211_ht_operation) + + ifibss->ie_len; + presp = kzalloc(sizeof(*presp) + frame_len, GFP_KERNEL); + if (!presp) + return; + + presp->head = (void *)(presp + 1); + + mgmt = (void *) presp->head; mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP); eth_broadcast_addr(mgmt->da); @@ -120,27 +127,30 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata, mgmt->u.beacon.timestamp = cpu_to_le64(tsf); mgmt->u.beacon.capab_info = cpu_to_le16(capability); - pos = skb_put(skb, 2 + ifibss->ssid_len); + pos = (u8 *)mgmt + offsetof(struct ieee80211_mgmt, u.beacon.variable); + *pos++ = WLAN_EID_SSID; *pos++ = ifibss->ssid_len; memcpy(pos, ifibss->ssid, ifibss->ssid_len); + pos += ifibss->ssid_len; - rates = sband->n_bitrates; - if (rates > 8) - rates = 8; - pos = skb_put(skb, 2 + rates); + rates = min_t(int, 8, sband->n_bitrates); *pos++ = WLAN_EID_SUPP_RATES; *pos++ = rates; - memcpy(pos, supp_rates, rates); + for (i = 0; i < rates; i++) { + int rate = sband->bitrates[i].bitrate; + u8 basic = 0; + if (basic_rates & BIT(i)) + basic = 0x80; + *pos++ = basic | (u8) (rate / 5); + } if (sband->band == IEEE80211_BAND_2GHZ) { - pos = skb_put(skb, 2 + 1); *pos++ = WLAN_EID_DS_PARAMS; *pos++ = 1; *pos++ = ieee80211_frequency_to_channel(chan->center_freq); } - pos = skb_put(skb, 2 + 2); *pos++ = WLAN_EID_IBSS_PARAMS; *pos++ = 2; /* FIX: set ATIM window based on scan results */ @@ -148,23 +158,25 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata, *pos++ = 0; if (sband->n_bitrates > 8) { - rates = sband->n_bitrates - 8; - pos = skb_put(skb, 2 + rates); *pos++ = WLAN_EID_EXT_SUPP_RATES; - *pos++ = rates; - memcpy(pos, &supp_rates[8], rates); + *pos++ = sband->n_bitrates - 8; + for (i = 8; i < sband->n_bitrates; i++) { + int rate = sband->bitrates[i].bitrate; + u8 basic = 0; + if (basic_rates & BIT(i)) + basic = 0x80; + *pos++ = basic | (u8) (rate / 5); + } } - if (ifibss->ie_len) - memcpy(skb_put(skb, ifibss->ie_len), - ifibss->ie, ifibss->ie_len); + if (ifibss->ie_len) { + memcpy(pos, ifibss->ie, ifibss->ie_len); + pos += ifibss->ie_len; + } /* add HT capability and information IEs */ if (chandef.width != NL80211_CHAN_WIDTH_20_NOHT && sband->ht_cap.ht_supported) { - pos = skb_put(skb, 4 + - sizeof(struct ieee80211_ht_cap) + - sizeof(struct ieee80211_ht_operation)); pos = ieee80211_ie_build_ht_cap(pos, &sband->ht_cap, sband->ht_cap.cap); /* @@ -177,7 +189,6 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata, } if (local->hw.queues >= IEEE80211_NUM_ACS) { - pos = skb_put(skb, 9); *pos++ = WLAN_EID_VENDOR_SPECIFIC; *pos++ = 7; /* len */ *pos++ = 0x00; /* Microsoft OUI 00:50:F2 */ @@ -189,7 +200,11 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata, *pos++ = 0; /* U-APSD no in use */ } - rcu_assign_pointer(ifibss->presp, skb); + presp->head_len = pos - presp->head; + if (WARN_ON(presp->head_len > frame_len)) + return; + + rcu_assign_pointer(ifibss->presp, presp); sdata->vif.bss_conf.enable_beacon = true; sdata->vif.bss_conf.beacon_int = beacon_int; @@ -227,7 +242,7 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata, round_jiffies(jiffies + IEEE80211_IBSS_MERGE_INTERVAL)); bss = cfg80211_inform_bss_frame(local->hw.wiphy, chan, - mgmt, skb->len, 0, GFP_KERNEL); + mgmt, presp->head_len, 0, GFP_KERNEL); cfg80211_put_bss(local->hw.wiphy, bss); netif_carrier_on(sdata->dev); cfg80211_ibss_joined(sdata->dev, ifibss->bssid, GFP_KERNEL); @@ -448,7 +463,7 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata, struct ieee80211_supported_band *sband = local->hw.wiphy->bands[band]; bool rates_updated = false; - if (elems->ds_params && elems->ds_params_len == 1) + if (elems->ds_params) freq = ieee80211_channel_to_frequency(elems->ds_params[0], band); else @@ -822,8 +837,7 @@ static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata, struct ieee80211_local *local = sdata->local; int tx_last_beacon, len = req->len; struct sk_buff *skb; - struct ieee80211_mgmt *resp; - struct sk_buff *presp; + struct beacon_data *presp; u8 *pos, *end; lockdep_assert_held(&ifibss->mtx); @@ -864,13 +878,15 @@ static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata, } /* Reply with ProbeResp */ - skb = skb_copy(presp, GFP_KERNEL); + skb = dev_alloc_skb(local->tx_headroom + presp->head_len); if (!skb) return; - resp = (struct ieee80211_mgmt *) skb->data; - memcpy(resp->da, mgmt->sa, ETH_ALEN); - ibss_dbg(sdata, "Sending ProbeResp to %pM\n", resp->da); + skb_reserve(skb, local->tx_headroom); + memcpy(skb_put(skb, presp->head_len), presp->head, presp->head_len); + + memcpy(((struct ieee80211_mgmt *) skb->data)->da, mgmt->sa, ETH_ALEN); + ibss_dbg(sdata, "Sending ProbeResp to %pM\n", mgmt->sa); IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT; ieee80211_tx_skb(sdata, skb); } @@ -1020,23 +1036,8 @@ void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local) int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, struct cfg80211_ibss_params *params) { - struct sk_buff *skb; u32 changed = 0; - skb = dev_alloc_skb(sdata->local->hw.extra_tx_headroom + - sizeof(struct ieee80211_hdr_3addr) + - 12 /* struct ieee80211_mgmt.u.beacon */ + - 2 + IEEE80211_MAX_SSID_LEN /* max SSID */ + - 2 + 8 /* max Supported Rates */ + - 3 /* max DS params */ + - 4 /* IBSS params */ + - 2 + (IEEE80211_MAX_SUPP_RATES - 8) + - 2 + sizeof(struct ieee80211_ht_cap) + - 2 + sizeof(struct ieee80211_ht_operation) + - params->ie_len); - if (!skb) - return -ENOMEM; - mutex_lock(&sdata->u.ibss.mtx); if (params->bssid) { @@ -1065,7 +1066,6 @@ int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, sdata->u.ibss.ie_len = params->ie_len; } - sdata->u.ibss.skb = skb; sdata->u.ibss.state = IEEE80211_IBSS_MLME_SEARCH; sdata->u.ibss.ibss_join_req = jiffies; @@ -1101,13 +1101,13 @@ int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata) { - struct sk_buff *skb; struct ieee80211_if_ibss *ifibss = &sdata->u.ibss; struct ieee80211_local *local = sdata->local; struct cfg80211_bss *cbss; u16 capability; int active_ibss; struct sta_info *sta; + struct beacon_data *presp; mutex_lock(&sdata->u.ibss.mtx); @@ -1153,8 +1153,8 @@ int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata) /* remove beacon */ kfree(sdata->u.ibss.ie); - skb = rcu_dereference_protected(sdata->u.ibss.presp, - lockdep_is_held(&sdata->u.ibss.mtx)); + presp = rcu_dereference_protected(ifibss->presp, + lockdep_is_held(&sdata->u.ibss.mtx)); RCU_INIT_POINTER(sdata->u.ibss.presp, NULL); sdata->vif.bss_conf.ibss_joined = false; sdata->vif.bss_conf.ibss_creator = false; @@ -1163,7 +1163,7 @@ int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata) ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED | BSS_CHANGED_IBSS); synchronize_rcu(); - kfree_skb(skb); + kfree(presp); skb_queue_purge(&sdata->skb_queue); diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 0b09716d22a..135ab463cfd 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -443,7 +443,7 @@ struct ieee80211_if_managed { u8 use_4addr; - u8 p2p_noa_index; + s16 p2p_noa_index; /* Signal strength from the last Beacon frame in the current BSS. */ int last_beacon_signal; @@ -509,8 +509,7 @@ struct ieee80211_if_ibss { unsigned long ibss_join_req; /* probe response/beacon for IBSS */ - struct sk_buff __rcu *presp; - struct sk_buff *skb; + struct beacon_data __rcu *presp; spinlock_t incomplete_lock; struct list_head incomplete_stations; @@ -1023,8 +1022,7 @@ struct ieee80211_local { struct ieee80211_sub_if_data __rcu *scan_sdata; struct ieee80211_channel *csa_channel; /* For backward compatibility only -- do not use */ - struct ieee80211_channel *_oper_channel; - enum nl80211_channel_type _oper_channel_type; + struct cfg80211_chan_def _oper_chandef; /* Temporary remain-on-channel for off-channel operations */ struct ieee80211_channel *tmp_channel; @@ -1160,11 +1158,8 @@ struct ieee802_11_elems { /* pointers to IEs */ const u8 *ssid; const u8 *supp_rates; - const u8 *fh_params; const u8 *ds_params; - const u8 *cf_params; const struct ieee80211_tim_ie *tim; - const u8 *ibss_params; const u8 *challenge; const u8 *rsn; const u8 *erp_info; @@ -1186,21 +1181,15 @@ struct ieee802_11_elems { const struct ieee80211_channel_sw_ie *ch_switch_ie; const u8 *country_elem; const u8 *pwr_constr_elem; - const u8 *quiet_elem; /* first quite element */ - const u8 *timeout_int; + const struct ieee80211_timeout_interval_ie *timeout_int; const u8 *opmode_notif; /* length of them, respectively */ u8 ssid_len; u8 supp_rates_len; - u8 fh_params_len; - u8 ds_params_len; - u8 cf_params_len; u8 tim_len; - u8 ibss_params_len; u8 challenge_len; u8 rsn_len; - u8 erp_info_len; u8 ext_supp_rates_len; u8 wmm_info_len; u8 wmm_param_len; @@ -1210,9 +1199,6 @@ struct ieee802_11_elems { u8 prep_len; u8 perr_len; u8 country_elem_len; - u8 quiet_elem_len; - u8 num_of_quiet_elem; /* can be more the one */ - u8 timeout_int_len; /* whether a parse error occurred while retrieving these elements */ bool parse_error; @@ -1330,7 +1316,8 @@ void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local); void ieee80211_offchannel_return(struct ieee80211_local *local); void ieee80211_roc_setup(struct ieee80211_local *local); void ieee80211_start_next_roc(struct ieee80211_local *local); -void ieee80211_roc_purge(struct ieee80211_sub_if_data *sdata); +void ieee80211_roc_purge(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata); void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc, bool free); void ieee80211_sw_roc_work(struct work_struct *work); void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc); @@ -1351,6 +1338,8 @@ void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata, const int offset); int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up); void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata); +int ieee80211_add_virtual_monitor(struct ieee80211_local *local); +void ieee80211_del_virtual_monitor(struct ieee80211_local *local); bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata); void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata); @@ -1505,11 +1494,15 @@ static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, ieee80211_tx_skb_tid(sdata, skb, 7); } -void ieee802_11_parse_elems(u8 *start, size_t len, - struct ieee802_11_elems *elems); u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, struct ieee802_11_elems *elems, u64 filter, u32 crc); +static inline void ieee802_11_parse_elems(u8 *start, size_t len, + struct ieee802_11_elems *elems) +{ + ieee802_11_parse_elems_crc(start, len, elems, 0, 0); +} + u32 ieee80211_mandatory_rates(struct ieee80211_local *local, enum ieee80211_band band); diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index 69aaba79a9f..146b1320af4 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -1,5 +1,5 @@ /* - * Interface handling (except master interface) + * Interface handling * * Copyright 2002-2005, Instant802 Networks, Inc. * Copyright 2005-2006, Devicescape Software, Inc. @@ -346,7 +346,7 @@ static void ieee80211_set_default_queues(struct ieee80211_sub_if_data *sdata) sdata->vif.cab_queue = IEEE80211_INVAL_HW_QUEUE; } -static int ieee80211_add_virtual_monitor(struct ieee80211_local *local) +int ieee80211_add_virtual_monitor(struct ieee80211_local *local) { struct ieee80211_sub_if_data *sdata; int ret; @@ -399,7 +399,7 @@ static int ieee80211_add_virtual_monitor(struct ieee80211_local *local) return 0; } -static void ieee80211_del_virtual_monitor(struct ieee80211_local *local) +void ieee80211_del_virtual_monitor(struct ieee80211_local *local) { struct ieee80211_sub_if_data *sdata; @@ -584,7 +584,8 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up) case NL80211_IFTYPE_P2P_DEVICE: break; default: - netif_carrier_on(dev); + /* not reached */ + WARN_ON(1); } /* @@ -641,8 +642,28 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up) ieee80211_recalc_ps(local, -1); - if (dev) - netif_tx_start_all_queues(dev); + if (dev) { + unsigned long flags; + int n_acs = IEEE80211_NUM_ACS; + int ac; + + if (local->hw.queues < IEEE80211_NUM_ACS) + n_acs = 1; + + spin_lock_irqsave(&local->queue_stop_reason_lock, flags); + if (sdata->vif.cab_queue == IEEE80211_INVAL_HW_QUEUE || + (local->queue_stop_reasons[sdata->vif.cab_queue] == 0 && + skb_queue_empty(&local->pending[sdata->vif.cab_queue]))) { + for (ac = 0; ac < n_acs; ac++) { + int ac_queue = sdata->vif.hw_queue[ac]; + + if (local->queue_stop_reasons[ac_queue] == 0 && + skb_queue_empty(&local->pending[ac_queue])) + netif_start_subqueue(dev, ac); + } + } + spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); + } return 0; err_del_interface: @@ -696,7 +717,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, if (sdata->dev) netif_tx_stop_all_queues(sdata->dev); - ieee80211_roc_purge(sdata); + ieee80211_roc_purge(local, sdata); if (sdata->vif.type == NL80211_IFTYPE_STATION) ieee80211_mgd_stop(sdata); @@ -721,12 +742,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, WARN_ON_ONCE((sdata->vif.type != NL80211_IFTYPE_WDS && flushed > 0) || (sdata->vif.type == NL80211_IFTYPE_WDS && flushed != 1)); - /* - * Don't count this interface for promisc/allmulti while it - * is down. dev_mc_unsync() will invoke set_multicast_list - * on the master interface which will sync these down to the - * hardware as filter flags. - */ + /* don't count this interface for promisc/allmulti while it is down */ if (sdata->flags & IEEE80211_SDATA_ALLMULTI) atomic_dec(&local->iff_allmultis); @@ -747,8 +763,6 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, sdata->dev->addr_len); spin_unlock_bh(&local->filter_lock); netif_addr_unlock_bh(sdata->dev); - - ieee80211_configure_filter(local); } del_timer_sync(&local->dynamic_ps_timer); @@ -759,6 +773,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, cancel_delayed_work_sync(&sdata->dfs_cac_timer_work); if (sdata->wdev.cac_started) { + WARN_ON(local->suspended); mutex_lock(&local->iflist_mtx); ieee80211_vif_release_channel(sdata); mutex_unlock(&local->iflist_mtx); @@ -809,14 +824,9 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, if (local->monitors == 0) { local->hw.conf.flags &= ~IEEE80211_CONF_MONITOR; hw_reconf_flags |= IEEE80211_CONF_CHANGE_MONITOR; - ieee80211_del_virtual_monitor(local); } ieee80211_adjust_monitor_flags(sdata, -1); - ieee80211_configure_filter(local); - mutex_lock(&local->mtx); - ieee80211_recalc_idle(local); - mutex_unlock(&local->mtx); break; case NL80211_IFTYPE_P2P_DEVICE: /* relies on synchronize_rcu() below */ @@ -846,27 +856,10 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, /* fall through */ case NL80211_IFTYPE_AP: skb_queue_purge(&sdata->skb_queue); - - if (going_down) - drv_remove_interface(local, sdata); } sdata->bss = NULL; - ieee80211_recalc_ps(local, -1); - - if (local->open_count == 0) { - ieee80211_clear_tx_pending(local); - ieee80211_stop_device(local); - - /* no reconfiguring after stop! */ - hw_reconf_flags = 0; - } - - /* do after stop to avoid reconfiguring when we stop anyway */ - if (hw_reconf_flags) - ieee80211_hw_config(local, hw_reconf_flags); - spin_lock_irqsave(&local->queue_stop_reason_lock, flags); for (i = 0; i < IEEE80211_MAX_QUEUES; i++) { skb_queue_walk_safe(&local->pending[i], skb, tmp) { @@ -879,7 +872,54 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, } spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); - if (local->monitors == local->open_count && local->monitors > 0) + if (local->open_count == 0) + ieee80211_clear_tx_pending(local); + + /* + * If the interface goes down while suspended, presumably because + * the device was unplugged and that happens before our resume, + * then the driver is already unconfigured and the remainder of + * this function isn't needed. + * XXX: what about WoWLAN? If the device has software state, e.g. + * memory allocated, it might expect teardown commands from + * mac80211 here? + */ + if (local->suspended) { + WARN_ON(local->wowlan); + WARN_ON(rtnl_dereference(local->monitor_sdata)); + return; + } + + switch (sdata->vif.type) { + case NL80211_IFTYPE_AP_VLAN: + break; + case NL80211_IFTYPE_MONITOR: + if (local->monitors == 0) + ieee80211_del_virtual_monitor(local); + + mutex_lock(&local->mtx); + ieee80211_recalc_idle(local); + mutex_unlock(&local->mtx); + break; + default: + if (going_down) + drv_remove_interface(local, sdata); + } + + ieee80211_recalc_ps(local, -1); + + if (local->open_count == 0) { + ieee80211_stop_device(local); + + /* no reconfiguring after stop! */ + return; + } + + /* do after stop to avoid reconfiguring when we stop anyway */ + ieee80211_configure_filter(local); + ieee80211_hw_config(local, hw_reconf_flags); + + if (local->monitors == local->open_count) ieee80211_add_virtual_monitor(local); } diff --git a/net/mac80211/main.c b/net/mac80211/main.c index c6f81ecc36a..52136fd5ba9 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -95,42 +95,47 @@ static void ieee80211_reconfig_filter(struct work_struct *work) static u32 ieee80211_hw_conf_chan(struct ieee80211_local *local) { struct ieee80211_sub_if_data *sdata; - struct ieee80211_channel *chan; + struct cfg80211_chan_def chandef = {}; u32 changed = 0; int power; - enum nl80211_channel_type channel_type; u32 offchannel_flag; offchannel_flag = local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL; + if (local->scan_channel) { - chan = local->scan_channel; + chandef.chan = local->scan_channel; /* If scanning on oper channel, use whatever channel-type * is currently in use. */ - if (chan == local->_oper_channel) - channel_type = local->_oper_channel_type; - else - channel_type = NL80211_CHAN_NO_HT; + if (chandef.chan == local->_oper_chandef.chan) { + chandef = local->_oper_chandef; + } else { + chandef.width = NL80211_CHAN_WIDTH_20_NOHT; + chandef.center_freq1 = chandef.chan->center_freq; + } } else if (local->tmp_channel) { - chan = local->tmp_channel; - channel_type = NL80211_CHAN_NO_HT; - } else { - chan = local->_oper_channel; - channel_type = local->_oper_channel_type; - } - - if (chan != local->_oper_channel || - channel_type != local->_oper_channel_type) + chandef.chan = local->tmp_channel; + chandef.width = NL80211_CHAN_WIDTH_20_NOHT; + chandef.center_freq1 = chandef.chan->center_freq; + } else + chandef = local->_oper_chandef; + + WARN(!cfg80211_chandef_valid(&chandef), + "control:%d MHz width:%d center: %d/%d MHz", + chandef.chan->center_freq, chandef.width, + chandef.center_freq1, chandef.center_freq2); + + if (!cfg80211_chandef_identical(&chandef, &local->_oper_chandef)) local->hw.conf.flags |= IEEE80211_CONF_OFFCHANNEL; else local->hw.conf.flags &= ~IEEE80211_CONF_OFFCHANNEL; offchannel_flag ^= local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL; - if (offchannel_flag || chan != local->hw.conf.channel || - channel_type != local->hw.conf.channel_type) { - local->hw.conf.channel = chan; - local->hw.conf.channel_type = channel_type; + if (offchannel_flag || + !cfg80211_chandef_identical(&local->hw.conf.chandef, + &local->_oper_chandef)) { + local->hw.conf.chandef = chandef; changed |= IEEE80211_CONF_CHANGE_CHANNEL; } @@ -146,7 +151,7 @@ static u32 ieee80211_hw_conf_chan(struct ieee80211_local *local) changed |= IEEE80211_CONF_CHANGE_SMPS; } - power = chan->max_power; + power = chandef.chan->max_power; rcu_read_lock(); list_for_each_entry_rcu(sdata, &local->interfaces, list) { @@ -587,6 +592,8 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, IEEE80211_RADIOTAP_MCS_HAVE_BW; local->hw.radiotap_vht_details = IEEE80211_RADIOTAP_VHT_KNOWN_GI | IEEE80211_RADIOTAP_VHT_KNOWN_BANDWIDTH; + local->hw.uapsd_queues = IEEE80211_DEFAULT_UAPSD_QUEUES; + local->hw.uapsd_max_sp_len = IEEE80211_DEFAULT_MAX_SP_LEN; local->user_power_level = IEEE80211_UNSET_POWER_LEVEL; wiphy->ht_capa_mod_mask = &mac80211_ht_capa_mod_mask; wiphy->vht_capa_mod_mask = &mac80211_vht_capa_mod_mask; @@ -738,11 +745,15 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) sband = local->hw.wiphy->bands[band]; if (!sband) continue; - if (!local->use_chanctx && !local->_oper_channel) { + if (!local->use_chanctx && !local->_oper_chandef.chan) { /* init channel we're on */ - local->hw.conf.channel = - local->_oper_channel = &sband->channels[0]; - local->hw.conf.channel_type = NL80211_CHAN_NO_HT; + struct cfg80211_chan_def chandef = { + .chan = &sband->channels[0], + .width = NL80211_CHAN_NO_HT, + .center_freq1 = sband->channels[0].center_freq, + .center_freq2 = 0 + }; + local->hw.conf.chandef = local->_oper_chandef = chandef; } cfg80211_chandef_create(&local->monitor_chandef, &sband->channels[0], @@ -829,22 +840,10 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) if (supp_ht) local->scan_ies_len += 2 + sizeof(struct ieee80211_ht_cap); - if (supp_vht) { + if (supp_vht) local->scan_ies_len += 2 + sizeof(struct ieee80211_vht_cap); - /* - * (for now at least), drivers wanting to use VHT must - * support channel contexts, as they contain all the - * necessary VHT information and the global hw config - * doesn't (yet) - */ - if (WARN_ON(!local->use_chanctx)) { - result = -EINVAL; - goto fail_wiphy_register; - } - } - if (!local->ops->hw_scan) { /* For hw_scan, driver needs to set these up. */ local->hw.wiphy->max_scan_ssids = 4; diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c index 123a300cef5..fd1024ef393 100644 --- a/net/mac80211/mesh.c +++ b/net/mac80211/mesh.c @@ -907,7 +907,7 @@ static void ieee80211_mesh_rx_bcn_presp(struct ieee80211_sub_if_data *sdata, (!elems.rsn && sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)) return; - if (elems.ds_params && elems.ds_params_len == 1) + if (elems.ds_params) freq = ieee80211_channel_to_frequency(elems.ds_params[0], band); else freq = rx_status->freq; diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h index 6ffabbe99c4..da158774eeb 100644 --- a/net/mac80211/mesh.h +++ b/net/mac80211/mesh.h @@ -275,7 +275,8 @@ void mesh_path_fix_nexthop(struct mesh_path *mpath, struct sta_info *next_hop); void mesh_path_expire(struct ieee80211_sub_if_data *sdata); void mesh_rx_path_sel_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_mgmt *mgmt, size_t len); -int mesh_path_add(struct ieee80211_sub_if_data *sdata, const u8 *dst); +struct mesh_path * +mesh_path_add(struct ieee80211_sub_if_data *sdata, const u8 *dst); int mesh_path_add_gate(struct mesh_path *mpath); int mesh_path_send_to_gates(struct mesh_path *mpath); diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c index bdb8d3b1458..c82d5e6a24c 100644 --- a/net/mac80211/mesh_hwmp.c +++ b/net/mac80211/mesh_hwmp.c @@ -144,7 +144,7 @@ static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags, *pos++ = WLAN_EID_PREQ; break; case MPATH_PREP: - mhwmp_dbg(sdata, "sending PREP to %pM\n", target); + mhwmp_dbg(sdata, "sending PREP to %pM\n", orig_addr); ie_len = 31; pos = skb_put(skb, 2 + ie_len); *pos++ = WLAN_EID_PREP; @@ -445,9 +445,8 @@ static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata, } } } else { - mesh_path_add(sdata, orig_addr); - mpath = mesh_path_lookup(sdata, orig_addr); - if (!mpath) { + mpath = mesh_path_add(sdata, orig_addr); + if (IS_ERR(mpath)) { rcu_read_unlock(); return 0; } @@ -486,9 +485,8 @@ static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata, (last_hop_metric > mpath->metric))) fresh_info = false; } else { - mesh_path_add(sdata, ta); - mpath = mesh_path_lookup(sdata, ta); - if (!mpath) { + mpath = mesh_path_add(sdata, ta); + if (IS_ERR(mpath)) { rcu_read_unlock(); return 0; } @@ -661,7 +659,7 @@ static void hwmp_prep_frame_process(struct ieee80211_sub_if_data *sdata, u32 target_sn, orig_sn, lifetime; mhwmp_dbg(sdata, "received PREP from %pM\n", - PREP_IE_ORIG_ADDR(prep_elem)); + PREP_IE_TARGET_ADDR(prep_elem)); orig_addr = PREP_IE_ORIG_ADDR(prep_elem); if (ether_addr_equal(orig_addr, sdata->vif.addr)) @@ -804,9 +802,8 @@ static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata, mpath = mesh_path_lookup(sdata, orig_addr); if (!mpath) { - mesh_path_add(sdata, orig_addr); - mpath = mesh_path_lookup(sdata, orig_addr); - if (!mpath) { + mpath = mesh_path_add(sdata, orig_addr); + if (IS_ERR(mpath)) { rcu_read_unlock(); sdata->u.mesh.mshstats.dropped_frames_no_route++; return; @@ -1098,11 +1095,10 @@ int mesh_nexthop_resolve(struct ieee80211_sub_if_data *sdata, /* no nexthop found, start resolving */ mpath = mesh_path_lookup(sdata, target_addr); if (!mpath) { - mesh_path_add(sdata, target_addr); - mpath = mesh_path_lookup(sdata, target_addr); - if (!mpath) { + mpath = mesh_path_add(sdata, target_addr); + if (IS_ERR(mpath)) { mesh_path_discard_frame(sdata, skb); - err = -ENOSPC; + err = PTR_ERR(mpath); goto endlookup; } } diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c index dc7c8df40c2..89aacfd2756 100644 --- a/net/mac80211/mesh_pathtbl.c +++ b/net/mac80211/mesh_pathtbl.c @@ -493,7 +493,8 @@ int mesh_gate_num(struct ieee80211_sub_if_data *sdata) * * State: the initial state of the new path is set to 0 */ -int mesh_path_add(struct ieee80211_sub_if_data *sdata, const u8 *dst) +struct mesh_path *mesh_path_add(struct ieee80211_sub_if_data *sdata, + const u8 *dst) { struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; struct ieee80211_local *local = sdata->local; @@ -502,18 +503,33 @@ int mesh_path_add(struct ieee80211_sub_if_data *sdata, const u8 *dst) struct mpath_node *node, *new_node; struct hlist_head *bucket; int grow = 0; - int err = 0; + int err; u32 hash_idx; if (ether_addr_equal(dst, sdata->vif.addr)) /* never add ourselves as neighbours */ - return -ENOTSUPP; + return ERR_PTR(-ENOTSUPP); if (is_multicast_ether_addr(dst)) - return -ENOTSUPP; + return ERR_PTR(-ENOTSUPP); if (atomic_add_unless(&sdata->u.mesh.mpaths, 1, MESH_MAX_MPATHS) == 0) - return -ENOSPC; + return ERR_PTR(-ENOSPC); + + read_lock_bh(&pathtbl_resize_lock); + tbl = resize_dereference_mesh_paths(); + + hash_idx = mesh_table_hash(dst, sdata, tbl); + bucket = &tbl->hash_buckets[hash_idx]; + + spin_lock(&tbl->hashwlock[hash_idx]); + + hlist_for_each_entry(node, bucket, list) { + mpath = node->mpath; + if (mpath->sdata == sdata && + ether_addr_equal(dst, mpath->dst)) + goto found; + } err = -ENOMEM; new_mpath = kzalloc(sizeof(struct mesh_path), GFP_ATOMIC); @@ -524,7 +540,6 @@ int mesh_path_add(struct ieee80211_sub_if_data *sdata, const u8 *dst) if (!new_node) goto err_node_alloc; - read_lock_bh(&pathtbl_resize_lock); memcpy(new_mpath->dst, dst, ETH_ALEN); eth_broadcast_addr(new_mpath->rann_snd_addr); new_mpath->is_root = false; @@ -538,21 +553,6 @@ int mesh_path_add(struct ieee80211_sub_if_data *sdata, const u8 *dst) spin_lock_init(&new_mpath->state_lock); init_timer(&new_mpath->timer); - tbl = resize_dereference_mesh_paths(); - - hash_idx = mesh_table_hash(dst, sdata, tbl); - bucket = &tbl->hash_buckets[hash_idx]; - - spin_lock(&tbl->hashwlock[hash_idx]); - - err = -EEXIST; - hlist_for_each_entry(node, bucket, list) { - mpath = node->mpath; - if (mpath->sdata == sdata && - ether_addr_equal(dst, mpath->dst)) - goto err_exists; - } - hlist_add_head_rcu(&new_node->list, bucket); if (atomic_inc_return(&tbl->entries) >= tbl->mean_chain_len * (tbl->hash_mask + 1)) @@ -560,23 +560,23 @@ int mesh_path_add(struct ieee80211_sub_if_data *sdata, const u8 *dst) mesh_paths_generation++; - spin_unlock(&tbl->hashwlock[hash_idx]); - read_unlock_bh(&pathtbl_resize_lock); if (grow) { set_bit(MESH_WORK_GROW_MPATH_TABLE, &ifmsh->wrkq_flags); ieee80211_queue_work(&local->hw, &sdata->work); } - return 0; - -err_exists: + mpath = new_mpath; +found: spin_unlock(&tbl->hashwlock[hash_idx]); read_unlock_bh(&pathtbl_resize_lock); - kfree(new_node); + return mpath; + err_node_alloc: kfree(new_mpath); err_path_alloc: atomic_dec(&sdata->u.mesh.mpaths); - return err; + spin_unlock(&tbl->hashwlock[hash_idx]); + read_unlock_bh(&pathtbl_resize_lock); + return ERR_PTR(err); } static void mesh_table_free_rcu(struct rcu_head *rcu) diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index e06dbbf8cb4..9c496893847 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -56,7 +56,10 @@ MODULE_PARM_DESC(max_probe_tries, * probe on beacon miss before declaring the connection lost * default to what we want. */ -#define IEEE80211_BEACON_LOSS_COUNT 7 +static int beacon_loss_count = 7; +module_param(beacon_loss_count, int, 0644); +MODULE_PARM_DESC(beacon_loss_count, + "Number of beacon intervals before we decide beacon was lost."); /* * Time the connection can be idle before we probe @@ -985,6 +988,7 @@ static void ieee80211_chswitch_work(struct work_struct *work) { struct ieee80211_sub_if_data *sdata = container_of(work, struct ieee80211_sub_if_data, u.mgd.chswitch_work); + struct ieee80211_local *local = sdata->local; struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; if (!ieee80211_sdata_running(sdata)) @@ -994,21 +998,30 @@ static void ieee80211_chswitch_work(struct work_struct *work) if (!ifmgd->associated) goto out; - sdata->local->_oper_channel = sdata->local->csa_channel; - if (!sdata->local->ops->channel_switch) { + /* + * FIXME: Here we are downgrading to NL80211_CHAN_WIDTH_20_NOHT + * and don't adjust our ht/vht settings + * This is wrong - we should behave according to the CSA params + */ + local->_oper_chandef.chan = local->csa_channel; + local->_oper_chandef.width = NL80211_CHAN_WIDTH_20_NOHT; + local->_oper_chandef.center_freq1 = + local->_oper_chandef.chan->center_freq; + local->_oper_chandef.center_freq2 = 0; + + if (!local->ops->channel_switch) { /* call "hw_config" only if doing sw channel switch */ - ieee80211_hw_config(sdata->local, - IEEE80211_CONF_CHANGE_CHANNEL); + ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); } else { /* update the device channel directly */ - sdata->local->hw.conf.channel = sdata->local->_oper_channel; + local->hw.conf.chandef = local->_oper_chandef; } /* XXX: shouldn't really modify cfg80211-owned data! */ - ifmgd->associated->channel = sdata->local->_oper_channel; + ifmgd->associated->channel = local->_oper_chandef.chan; /* XXX: wait for a beacon first? */ - ieee80211_wake_queues_by_reason(&sdata->local->hw, + ieee80211_wake_queues_by_reason(&local->hw, IEEE80211_MAX_QUEUE_MAP, IEEE80211_QUEUE_STOP_REASON_CSA); out: @@ -1430,13 +1443,11 @@ void ieee80211_dynamic_ps_enable_work(struct work_struct *work) if ((local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) && !(ifmgd->flags & IEEE80211_STA_NULLFUNC_ACKED)) { - netif_tx_stop_all_queues(sdata->dev); - - if (drv_tx_frames_pending(local)) + if (drv_tx_frames_pending(local)) { mod_timer(&local->dynamic_ps_timer, jiffies + msecs_to_jiffies( local->hw.conf.dynamic_ps_timeout)); - else { + } else { ieee80211_send_nullfunc(local, sdata, 1); /* Flush to get the tx status of nullfunc frame */ ieee80211_flush_queues(local, sdata); @@ -1450,9 +1461,6 @@ void ieee80211_dynamic_ps_enable_work(struct work_struct *work) local->hw.conf.flags |= IEEE80211_CONF_PS; ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); } - - if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) - netif_tx_wake_all_queues(sdata->dev); } void ieee80211_dynamic_ps_timer(unsigned long data) @@ -1645,7 +1653,7 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata, bss_conf->assoc_capability, bss->has_erp_value, bss->erp_value); sdata->u.mgd.beacon_timeout = usecs_to_jiffies(ieee80211_tu_to_usec( - IEEE80211_BEACON_LOSS_COUNT * bss_conf->beacon_int)); + beacon_loss_count * bss_conf->beacon_int)); sdata->u.mgd.associated = cbss; memcpy(sdata->u.mgd.bssid, cbss->bssid, ETH_ALEN); @@ -1658,18 +1666,17 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata, rcu_read_lock(); ies = rcu_dereference(cbss->ies); if (ies) { - u8 noa[2]; int ret; ret = cfg80211_get_p2p_attr( ies->data, ies->len, IEEE80211_P2P_ATTR_ABSENCE_NOTICE, - noa, sizeof(noa)); + (u8 *) &bss_conf->p2p_noa_attr, + sizeof(bss_conf->p2p_noa_attr)); if (ret >= 2) { - bss_conf->p2p_oppps = noa[1] & 0x80; - bss_conf->p2p_ctwindow = noa[1] & 0x7f; + sdata->u.mgd.p2p_noa_index = + bss_conf->p2p_noa_attr.index; bss_info_changed |= BSS_CHANGED_P2P_PS; - sdata->u.mgd.p2p_noa_index = noa[0]; } } rcu_read_unlock(); @@ -1713,7 +1720,6 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata, ieee80211_recalc_smps(sdata); ieee80211_recalc_ps_vif(sdata); - netif_tx_start_all_queues(sdata->dev); netif_carrier_on(sdata->dev); } @@ -1736,22 +1742,6 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata, ieee80211_stop_poll(sdata); ifmgd->associated = NULL; - - /* - * we need to commit the associated = NULL change because the - * scan code uses that to determine whether this iface should - * go to/wake up from powersave or not -- and could otherwise - * wake the queues erroneously. - */ - smp_mb(); - - /* - * Thus, we can only afterwards stop the queues -- to account - * for the case where another CPU is finishing a scan at this - * time -- we don't want the scan code to enable queues. - */ - - netif_tx_stop_all_queues(sdata->dev); netif_carrier_off(sdata->dev); /* @@ -1794,8 +1784,9 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata, changed |= BSS_CHANGED_ASSOC; sdata->vif.bss_conf.assoc = false; - sdata->vif.bss_conf.p2p_ctwindow = 0; - sdata->vif.bss_conf.p2p_oppps = false; + ifmgd->p2p_noa_index = -1; + memset(&sdata->vif.bss_conf.p2p_noa_attr, 0, + sizeof(sdata->vif.bss_conf.p2p_noa_attr)); /* on the next assoc, re-program HT/VHT parameters */ memset(&ifmgd->ht_capa, 0, sizeof(ifmgd->ht_capa)); @@ -1975,12 +1966,15 @@ static void ieee80211_mgd_probe_ap(struct ieee80211_sub_if_data *sdata, goto out; } - if (beacon) + if (beacon) { mlme_dbg_ratelimited(sdata, - "detected beacon loss from AP - probing\n"); + "detected beacon loss from AP (missed %d beacons) - probing\n", + beacon_loss_count); - ieee80211_cqm_rssi_notify(&sdata->vif, - NL80211_CQM_RSSI_BEACON_LOSS_EVENT, GFP_KERNEL); + ieee80211_cqm_rssi_notify(&sdata->vif, + NL80211_CQM_RSSI_BEACON_LOSS_EVENT, + GFP_KERNEL); + } /* * The driver/our work has already reported this event or the @@ -2613,10 +2607,10 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata, ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems); if (status_code == WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY && - elems.timeout_int && elems.timeout_int_len == 5 && - elems.timeout_int[0] == WLAN_TIMEOUT_ASSOC_COMEBACK) { + elems.timeout_int && + elems.timeout_int->type == WLAN_TIMEOUT_ASSOC_COMEBACK) { u32 tu, ms; - tu = get_unaligned_le32(elems.timeout_int + 1); + tu = le32_to_cpu(elems.timeout_int->value); ms = tu * 1024 / 1000; sdata_info(sdata, "%pM rejected association temporarily; comeback duration %u TU (%u ms)\n", @@ -2679,7 +2673,7 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata, } } - if (elems->ds_params && elems->ds_params_len == 1) + if (elems->ds_params) freq = ieee80211_channel_to_frequency(elems->ds_params[0], rx_status->band); else @@ -2957,22 +2951,30 @@ ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, } if (sdata->vif.p2p) { - u8 noa[2]; + struct ieee80211_p2p_noa_attr noa = {}; int ret; ret = cfg80211_get_p2p_attr(mgmt->u.beacon.variable, len - baselen, IEEE80211_P2P_ATTR_ABSENCE_NOTICE, - noa, sizeof(noa)); - if (ret >= 2 && sdata->u.mgd.p2p_noa_index != noa[0]) { - bss_conf->p2p_oppps = noa[1] & 0x80; - bss_conf->p2p_ctwindow = noa[1] & 0x7f; + (u8 *) &noa, sizeof(noa)); + if (ret >= 2) { + if (sdata->u.mgd.p2p_noa_index != noa.index) { + /* valid noa_attr and index changed */ + sdata->u.mgd.p2p_noa_index = noa.index; + memcpy(&bss_conf->p2p_noa_attr, &noa, sizeof(noa)); + changed |= BSS_CHANGED_P2P_PS; + /* + * make sure we update all information, the CRC + * mechanism doesn't look at P2P attributes. + */ + ifmgd->beacon_crc_valid = false; + } + } else if (sdata->u.mgd.p2p_noa_index != -1) { + /* noa_attr not found and we had valid noa_attr before */ + sdata->u.mgd.p2p_noa_index = -1; + memset(&bss_conf->p2p_noa_attr, 0, sizeof(bss_conf->p2p_noa_attr)); changed |= BSS_CHANGED_P2P_PS; - sdata->u.mgd.p2p_noa_index = noa[0]; - /* - * make sure we update all information, the CRC - * mechanism doesn't look at P2P attributes. - */ ifmgd->beacon_crc_valid = false; } } @@ -3014,7 +3016,7 @@ ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, changed |= BSS_CHANGED_DTIM_PERIOD; } - if (elems.erp_info && elems.erp_info_len >= 1) { + if (elems.erp_info) { erp_valid = true; erp_value = elems.erp_info[0]; } else { @@ -3513,8 +3515,9 @@ void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata) ifmgd->flags = 0; ifmgd->powersave = sdata->wdev.ps; - ifmgd->uapsd_queues = IEEE80211_DEFAULT_UAPSD_QUEUES; - ifmgd->uapsd_max_sp_len = IEEE80211_DEFAULT_MAX_SP_LEN; + ifmgd->uapsd_queues = sdata->local->hw.uapsd_queues; + ifmgd->uapsd_max_sp_len = sdata->local->hw.uapsd_max_sp_len; + ifmgd->p2p_noa_index = -1; mutex_init(&ifmgd->mtx); @@ -4063,7 +4066,8 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, rcu_read_unlock(); if (bss->wmm_used && bss->uapsd_supported && - (sdata->local->hw.flags & IEEE80211_HW_SUPPORTS_UAPSD)) { + (sdata->local->hw.flags & IEEE80211_HW_SUPPORTS_UAPSD) && + sdata->wmm_acm != 0xff) { assoc_data->uapsd = true; ifmgd->flags |= IEEE80211_STA_UAPSD_ENABLED; } else { diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c index cce795871ab..acd1f71adc0 100644 --- a/net/mac80211/offchannel.c +++ b/net/mac80211/offchannel.c @@ -445,15 +445,15 @@ void ieee80211_roc_setup(struct ieee80211_local *local) INIT_LIST_HEAD(&local->roc_list); } -void ieee80211_roc_purge(struct ieee80211_sub_if_data *sdata) +void ieee80211_roc_purge(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata) { - struct ieee80211_local *local = sdata->local; struct ieee80211_roc_work *roc, *tmp; LIST_HEAD(tmp_list); mutex_lock(&local->mtx); list_for_each_entry_safe(roc, tmp, &local->roc_list, list) { - if (roc->sdata != sdata) + if (sdata && roc->sdata != sdata) continue; if (roc->started && local->ops->remain_on_channel) { diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c index 3d16f4e6174..d1c021b62fe 100644 --- a/net/mac80211/pm.c +++ b/net/mac80211/pm.c @@ -19,6 +19,10 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) ieee80211_dfs_cac_cancel(local); + ieee80211_roc_purge(local, NULL); + + ieee80211_del_virtual_monitor(local); + if (hw->flags & IEEE80211_HW_AMPDU_AGGREGATION) { mutex_lock(&local->sta_mtx); list_for_each_entry(sta, &local->sta_list, list) { @@ -101,10 +105,6 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) drv_remove_interface(local, sdata); } - sdata = rtnl_dereference(local->monitor_sdata); - if (sdata) - drv_remove_interface(local, sdata); - /* * We disconnected on all interfaces before suspend, all channel * contexts should be released. diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c index cb34cbbaa20..33fbf104569 100644 --- a/net/mac80211/scan.c +++ b/net/mac80211/scan.c @@ -98,9 +98,8 @@ ieee80211_bss_info_update(struct ieee80211_local *local, } /* save the ERP value so that it is available at association time */ - if (elems->erp_info && elems->erp_info_len >= 1 && - (!elems->parse_error || - !(bss->valid_data & IEEE80211_BSS_VALID_ERP))) { + if (elems->erp_info && (!elems->parse_error || + !(bss->valid_data & IEEE80211_BSS_VALID_ERP))) { bss->erp_value = elems->erp_info[0]; bss->has_erp_value = true; if (!elems->parse_error) @@ -384,7 +383,7 @@ static void ieee80211_scan_state_send_probe(struct ieee80211_local *local, { int i; struct ieee80211_sub_if_data *sdata; - enum ieee80211_band band = local->hw.conf.channel->band; + enum ieee80211_band band = local->hw.conf.chandef.chan->band; u32 tx_flags; tx_flags = IEEE80211_TX_INTFL_OFFCHAN_TX_OK; @@ -401,7 +400,7 @@ static void ieee80211_scan_state_send_probe(struct ieee80211_local *local, local->scan_req->ssids[i].ssid_len, local->scan_req->ie, local->scan_req->ie_len, local->scan_req->rates[band], false, - tx_flags, local->hw.conf.channel, true); + tx_flags, local->hw.conf.chandef.chan, true); /* * After sending probe requests, wait for probe responses @@ -467,7 +466,7 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata, if (local->ops->hw_scan) { __set_bit(SCAN_HW_SCANNING, &local->scanning); } else if ((req->n_channels == 1) && - (req->channels[0] == local->_oper_channel)) { + (req->channels[0] == local->_oper_chandef.chan)) { /* * If we are scanning only on the operating channel * then we do not need to stop normal activities diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h index c5899797a8d..8286dcef228 100644 --- a/net/mac80211/trace.h +++ b/net/mac80211/trace.h @@ -28,27 +28,27 @@ #define VIF_PR_FMT " vif:%s(%d%s)" #define VIF_PR_ARG __get_str(vif_name), __entry->vif_type, __entry->p2p ? "/p2p" : "" -#define CHANDEF_ENTRY __field(u32, control_freq) \ - __field(u32, chan_width) \ - __field(u32, center_freq1) \ +#define CHANDEF_ENTRY __field(u32, control_freq) \ + __field(u32, chan_width) \ + __field(u32, center_freq1) \ __field(u32, center_freq2) -#define CHANDEF_ASSIGN(c) \ - __entry->control_freq = (c)->chan->center_freq; \ - __entry->chan_width = (c)->width; \ - __entry->center_freq1 = (c)->center_freq1; \ +#define CHANDEF_ASSIGN(c) \ + __entry->control_freq = (c)->chan ? (c)->chan->center_freq : 0; \ + __entry->chan_width = (c)->width; \ + __entry->center_freq1 = (c)->center_freq1; \ __entry->center_freq2 = (c)->center_freq2; #define CHANDEF_PR_FMT " control:%d MHz width:%d center: %d/%d MHz" -#define CHANDEF_PR_ARG __entry->control_freq, __entry->chan_width, \ +#define CHANDEF_PR_ARG __entry->control_freq, __entry->chan_width, \ __entry->center_freq1, __entry->center_freq2 -#define CHANCTX_ENTRY CHANDEF_ENTRY \ - __field(u8, rx_chains_static) \ +#define CHANCTX_ENTRY CHANDEF_ENTRY \ + __field(u8, rx_chains_static) \ __field(u8, rx_chains_dynamic) -#define CHANCTX_ASSIGN CHANDEF_ASSIGN(&ctx->conf.def) \ - __entry->rx_chains_static = ctx->conf.rx_chains_static; \ +#define CHANCTX_ASSIGN CHANDEF_ASSIGN(&ctx->conf.def) \ + __entry->rx_chains_static = ctx->conf.rx_chains_static; \ __entry->rx_chains_dynamic = ctx->conf.rx_chains_dynamic #define CHANCTX_PR_FMT CHANDEF_PR_FMT " chains:%d/%d" -#define CHANCTX_PR_ARG CHANDEF_PR_ARG, \ +#define CHANCTX_PR_ARG CHANDEF_PR_ARG, \ __entry->rx_chains_static, __entry->rx_chains_dynamic @@ -286,8 +286,7 @@ TRACE_EVENT(drv_config, __field(u16, listen_interval) __field(u8, long_frame_max_tx_count) __field(u8, short_frame_max_tx_count) - __field(int, center_freq) - __field(int, channel_type) + CHANDEF_ENTRY __field(int, smps) ), @@ -303,15 +302,13 @@ TRACE_EVENT(drv_config, local->hw.conf.long_frame_max_tx_count; __entry->short_frame_max_tx_count = local->hw.conf.short_frame_max_tx_count; - __entry->center_freq = local->hw.conf.channel ? - local->hw.conf.channel->center_freq : 0; - __entry->channel_type = local->hw.conf.channel_type; + CHANDEF_ASSIGN(&local->hw.conf.chandef) __entry->smps = local->hw.conf.smps_mode; ), TP_printk( - LOCAL_PR_FMT " ch:%#x freq:%d", - LOCAL_PR_ARG, __entry->changed, __entry->center_freq + LOCAL_PR_FMT " ch:%#x" CHANDEF_PR_FMT, + LOCAL_PR_ARG, __entry->changed, CHANDEF_PR_ARG ) ); @@ -359,8 +356,7 @@ TRACE_EVENT(drv_bss_info_changed, __dynamic_array(u8, ssid, info->ssid_len); __field(bool, hidden_ssid); __field(int, txpower) - __field(u8, p2p_ctwindow) - __field(bool, p2p_oppps) + __field(u8, p2p_oppps_ctwindow) ), TP_fast_assign( @@ -400,8 +396,7 @@ TRACE_EVENT(drv_bss_info_changed, memcpy(__get_dynamic_array(ssid), info->ssid, info->ssid_len); __entry->hidden_ssid = info->hidden_ssid; __entry->txpower = info->txpower; - __entry->p2p_ctwindow = info->p2p_ctwindow; - __entry->p2p_oppps = info->p2p_oppps; + __entry->p2p_oppps_ctwindow = info->p2p_noa_attr.oppps_ctwindow; ), TP_printk( diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 2a6ae8030bd..aad0bf5d881 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1709,7 +1709,7 @@ netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, if (chanctx_conf) chan = chanctx_conf->def.chan; else if (!local->use_chanctx) - chan = local->_oper_channel; + chan = local->_oper_chandef.chan; else goto fail_rcu; @@ -1843,7 +1843,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, * This is the exception! WDS style interfaces are prohibited * when channel contexts are in used so this must be valid */ - band = local->hw.conf.channel->band; + band = local->hw.conf.chandef.chan->band; break; #ifdef CONFIG_MAC80211_MESH case NL80211_IFTYPE_MESH_POINT: @@ -2442,14 +2442,17 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw, } else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) { struct ieee80211_if_ibss *ifibss = &sdata->u.ibss; struct ieee80211_hdr *hdr; - struct sk_buff *presp = rcu_dereference(ifibss->presp); + struct beacon_data *presp = rcu_dereference(ifibss->presp); if (!presp) goto out; - skb = skb_copy(presp, GFP_ATOMIC); + skb = dev_alloc_skb(local->tx_headroom + presp->head_len); if (!skb) goto out; + skb_reserve(skb, local->tx_headroom); + memcpy(skb_put(skb, presp->head_len), presp->head, + presp->head_len); hdr = (struct ieee80211_hdr *) skb->data; hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | diff --git a/net/mac80211/util.c b/net/mac80211/util.c index a7368870c8e..447e6651e7f 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -738,17 +738,11 @@ u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, elems->supp_rates = pos; elems->supp_rates_len = elen; break; - case WLAN_EID_FH_PARAMS: - elems->fh_params = pos; - elems->fh_params_len = elen; - break; case WLAN_EID_DS_PARAMS: - elems->ds_params = pos; - elems->ds_params_len = elen; - break; - case WLAN_EID_CF_PARAMS: - elems->cf_params = pos; - elems->cf_params_len = elen; + if (elen >= 1) + elems->ds_params = pos; + else + elem_parse_failed = true; break; case WLAN_EID_TIM: if (elen >= sizeof(struct ieee80211_tim_ie)) { @@ -757,10 +751,6 @@ u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, } else elem_parse_failed = true; break; - case WLAN_EID_IBSS_PARAMS: - elems->ibss_params = pos; - elems->ibss_params_len = elen; - break; case WLAN_EID_CHALLENGE: elems->challenge = pos; elems->challenge_len = elen; @@ -790,8 +780,10 @@ u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, elems->rsn_len = elen; break; case WLAN_EID_ERP_INFO: - elems->erp_info = pos; - elems->erp_info_len = elen; + if (elen >= 1) + elems->erp_info = pos; + else + elem_parse_failed = true; break; case WLAN_EID_EXT_SUPP_RATES: elems->ext_supp_rates = pos; @@ -870,13 +862,6 @@ u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, } elems->ch_switch_ie = (void *)pos; break; - case WLAN_EID_QUIET: - if (!elems->quiet_elem) { - elems->quiet_elem = pos; - elems->quiet_elem_len = elen; - } - elems->num_of_quiet_elem++; - break; case WLAN_EID_COUNTRY: elems->country_elem = pos; elems->country_elem_len = elen; @@ -889,8 +874,10 @@ u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, elems->pwr_constr_elem = pos; break; case WLAN_EID_TIMEOUT_INTERVAL: - elems->timeout_int = pos; - elems->timeout_int_len = elen; + if (elen >= sizeof(struct ieee80211_timeout_interval_ie)) + elems->timeout_int = (void *)pos; + else + elem_parse_failed = true; break; default: break; @@ -911,12 +898,6 @@ u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, return crc; } -void ieee802_11_parse_elems(u8 *start, size_t len, - struct ieee802_11_elems *elems) -{ - ieee802_11_parse_elems_crc(start, len, elems, 0, 0); -} - void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata, bool bss_notify) { @@ -1474,6 +1455,8 @@ int ieee80211_reconfig(struct ieee80211_local *local) /* add interfaces */ sdata = rtnl_dereference(local->monitor_sdata); if (sdata) { + /* in HW restart it exists already */ + WARN_ON(local->resuming); res = drv_add_interface(local, sdata); if (WARN_ON(res)) { rcu_assign_pointer(local->monitor_sdata, NULL); @@ -1663,6 +1646,9 @@ int ieee80211_reconfig(struct ieee80211_local *local) local->in_reconfig = false; barrier(); + if (local->monitors == local->open_count && local->monitors > 0) + ieee80211_add_virtual_monitor(local); + /* * Clear the WLAN_STA_BLOCK_BA flag so new aggregation * sessions can be established after a resume. @@ -2056,7 +2042,7 @@ int ieee80211_ave_rssi(struct ieee80211_vif *vif) /* non-managed type inferfaces */ return 0; } - return ifmgd->ave_beacon_signal; + return ifmgd->ave_beacon_signal / 16; } EXPORT_SYMBOL_GPL(ieee80211_ave_rssi); @@ -2171,8 +2157,7 @@ void ieee80211_dfs_radar_detected_work(struct work_struct *work) /* currently not handled */ WARN_ON(1); else { - cfg80211_chandef_create(&chandef, local->hw.conf.channel, - local->hw.conf.channel_type); + chandef = local->hw.conf.chandef; cfg80211_radar_event(local->hw.wiphy, &chandef, GFP_KERNEL); } } |