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Merge branch 'for-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless

Browse source 
John Linville says:
====================
Amitkumar Karwar gives us a cfg80211 fix that changes some state
tracking in order to avoid a WARNING.

Arik Nemtsov provide a mac80211 fix for an RCU-related race.

Avinash Patil shares a pair of mwifiex fixes, one which invalidates
some stale configuration data before a channel change and another to
restrict hidden SSID support to zero-length SSIDs only.

Chun-Yeow Yeoh brings a mac80211 fix for a mesh problem triggered
when combining multiple mesh networks into one.

Felix Fietkau provides a mac80211 lockdep fix.

Joe Perches fixes a couple of thinkos related to bitwise operations.

Johannes Berg comes through with a flurry of fixes.  The iwlwifi ones
address a problem Linus recently reported, and some of the fallout
discovered while fixing it.  The mac80211 fix properly cleans-up
remain-on-channel work on an interface that is stopped.  The others
are clean-ups for regressions caused by stricter checking of possible
virtual interfaces supported by wireless drivers.

Meenakshi Venkataraman provides a mac80211 fix for an off-by-one error.

Seth Forshee provides a fix to make the wireless adapters used in
some Mac boxes work after being in S3 power saving state.

Stanislaw Gruszka offers a copule of fixes, a fix for a mac80211
scanning regression and an rt2x00 fix to avoid some lockdep spew.

Last but not least, Vinicius Costa Gomes provides a bluetooth fix
for a typo that "was preventing important features of Bluetooth
from working".
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2012-06-06 13:18:40 -07:00
commit da2e852612
24 changed files with 180 additions and 48 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
drivers/bcma/driver_chipcommon_pmu.c
View file

@ -139,7 +139,9 @@ void bcma_pmu_workarounds(struct bcma_drv_cc *cc)
bcma_chipco_chipctl_maskset(cc, 0, ~0, 0x7);
break;
case 0x4331:
/* BCM4331 workaround is SPROM-related, we put it in sprom.c */
case 43431:
/* Ext PA lines must be enabled for tx on BCM4331 */
bcma_chipco_bcm4331_ext_pa_lines_ctl(cc, true);
break;
case 43224:
if (bus->chipinfo.rev == 0) {

4
drivers/bcma/sprom.c
View file

@ -579,13 +579,13 @@ int bcma_sprom_get(struct bcma_bus *bus)
if (!sprom)
return -ENOMEM;
if (bus->chipinfo.id == 0x4331)
if (bus->chipinfo.id == 0x4331 || bus->chipinfo.id == 43431)
bcma_chipco_bcm4331_ext_pa_lines_ctl(&bus->drv_cc, false);
pr_debug("SPROM offset 0x%x\n", offset);
bcma_sprom_read(bus, offset, sprom);
if (bus->chipinfo.id == 0x4331)
if (bus->chipinfo.id == 0x4331 || bus->chipinfo.id == 43431)
bcma_chipco_bcm4331_ext_pa_lines_ctl(&bus->drv_cc, true);
err = bcma_sprom_valid(sprom);

4
drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
View file

@ -89,9 +89,9 @@ int brcmf_sdio_intr_register(struct brcmf_sdio_dev *sdiodev)
data |= 1 << SDIO_FUNC_1 | 1 << SDIO_FUNC_2 | 1;
brcmf_sdio_regwb(sdiodev, SDIO_CCCR_IENx, data, &ret);
/* redirect, configure ane enable io for interrupt signal */
/* redirect, configure and enable io for interrupt signal */
data = SDIO_SEPINT_MASK | SDIO_SEPINT_OE;
if (sdiodev->irq_flags | IRQF_TRIGGER_HIGH)
if (sdiodev->irq_flags & IRQF_TRIGGER_HIGH)
data |= SDIO_SEPINT_ACT_HI;
brcmf_sdio_regwb(sdiodev, SDIO_CCCR_BRCM_SEPINT, data, &ret);

9
drivers/net/wireless/iwlwifi/iwl-drv.c
View file

@ -861,13 +861,18 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
/* We have our copies now, allow OS release its copies */
release_firmware(ucode_raw);
complete(&drv->request_firmware_complete);
drv->op_mode = iwl_dvm_ops.start(drv->trans, drv->cfg, &drv->fw);
if (!drv->op_mode)
goto out_free_fw;
goto out_unbind;
/*
* Complete the firmware request last so that
* a driver unbind (stop) doesn't run while we
* are doing the start() above.
*/
complete(&drv->request_firmware_complete);
return;
try_again:

18
drivers/net/wireless/iwlwifi/iwl-eeprom.c
View file

@ -568,28 +568,28 @@ static int iwl_find_otp_image(struct iwl_trans *trans,
* iwl_get_max_txpower_avg - get the highest tx power from all chains.
* find the highest tx power from all chains for the channel
*/
static s8 iwl_get_max_txpower_avg(const struct iwl_cfg *cfg,
static s8 iwl_get_max_txpower_avg(struct iwl_priv *priv,
struct iwl_eeprom_enhanced_txpwr *enhanced_txpower,
int element, s8 *max_txpower_in_half_dbm)
{
s8 max_txpower_avg = 0; /* (dBm) */
/* Take the highest tx power from any valid chains */
if ((cfg->valid_tx_ant & ANT_A) &&
if ((priv->hw_params.valid_tx_ant & ANT_A) &&
(enhanced_txpower[element].chain_a_max > max_txpower_avg))
max_txpower_avg = enhanced_txpower[element].chain_a_max;
if ((cfg->valid_tx_ant & ANT_B) &&
if ((priv->hw_params.valid_tx_ant & ANT_B) &&
(enhanced_txpower[element].chain_b_max > max_txpower_avg))
max_txpower_avg = enhanced_txpower[element].chain_b_max;
if ((cfg->valid_tx_ant & ANT_C) &&
if ((priv->hw_params.valid_tx_ant & ANT_C) &&
(enhanced_txpower[element].chain_c_max > max_txpower_avg))
max_txpower_avg = enhanced_txpower[element].chain_c_max;
if (((cfg->valid_tx_ant == ANT_AB) |
(cfg->valid_tx_ant == ANT_BC) |
(cfg->valid_tx_ant == ANT_AC)) &&
if (((priv->hw_params.valid_tx_ant == ANT_AB) |
(priv->hw_params.valid_tx_ant == ANT_BC) |
(priv->hw_params.valid_tx_ant == ANT_AC)) &&
(enhanced_txpower[element].mimo2_max > max_txpower_avg))
max_txpower_avg = enhanced_txpower[element].mimo2_max;
if ((cfg->valid_tx_ant == ANT_ABC) &&
if ((priv->hw_params.valid_tx_ant == ANT_ABC) &&
(enhanced_txpower[element].mimo3_max > max_txpower_avg))
max_txpower_avg = enhanced_txpower[element].mimo3_max;
@ -691,7 +691,7 @@ static void iwl_eeprom_enhanced_txpower(struct iwl_priv *priv)
((txp->delta_20_in_40 & 0xf0) >> 4),
(txp->delta_20_in_40 & 0x0f));
max_txp_avg = iwl_get_max_txpower_avg(priv->cfg, txp_array, idx,
max_txp_avg = iwl_get_max_txpower_avg(priv, txp_array, idx,
&max_txp_avg_halfdbm);
/*

3
drivers/net/wireless/iwlwifi/iwl-mac80211.c
View file

@ -199,6 +199,7 @@ int iwlagn_mac_setup_register(struct iwl_priv *priv,
WIPHY_FLAG_DISABLE_BEACON_HINTS |
WIPHY_FLAG_IBSS_RSN;
#ifdef CONFIG_PM_SLEEP
if (priv->fw->img[IWL_UCODE_WOWLAN].sec[0].len &&
priv->trans->ops->wowlan_suspend &&
device_can_wakeup(priv->trans->dev)) {
@ -217,6 +218,7 @@ int iwlagn_mac_setup_register(struct iwl_priv *priv,
hw->wiphy->wowlan.pattern_max_len =
IWLAGN_WOWLAN_MAX_PATTERN_LEN;
}
#endif
if (iwlwifi_mod_params.power_save)
hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
@ -249,6 +251,7 @@ int iwlagn_mac_setup_register(struct iwl_priv *priv,
ret = ieee80211_register_hw(priv->hw);
if (ret) {
IWL_ERR(priv, "Failed to register hw (error %d)\n", ret);
iwl_leds_exit(priv);
return ret;
}
priv->mac80211_registered = 1;

21
drivers/net/wireless/mac80211_hwsim.c
View file

@ -1721,6 +1721,24 @@ static void hwsim_exit_netlink(void)
"unregister family %i\n", ret);
}
static const struct ieee80211_iface_limit hwsim_if_limits[] = {
{ .max = 1, .types = BIT(NL80211_IFTYPE_ADHOC) },
{ .max = 2048, .types = BIT(NL80211_IFTYPE_STATION) |
BIT(NL80211_IFTYPE_P2P_CLIENT) |
#ifdef CONFIG_MAC80211_MESH
BIT(NL80211_IFTYPE_MESH_POINT) |
#endif
BIT(NL80211_IFTYPE_AP) |
BIT(NL80211_IFTYPE_P2P_GO) },
};
static const struct ieee80211_iface_combination hwsim_if_comb = {
.limits = hwsim_if_limits,
.n_limits = ARRAY_SIZE(hwsim_if_limits),
.max_interfaces = 2048,
.num_different_channels = 1,
};
static int __init init_mac80211_hwsim(void)
{
int i, err = 0;
@ -1782,6 +1800,9 @@ static int __init init_mac80211_hwsim(void)
hw->wiphy->n_addresses = 2;
hw->wiphy->addresses = data->addresses;
hw->wiphy->iface_combinations = &hwsim_if_comb;
hw->wiphy->n_iface_combinations = 1;
if (fake_hw_scan) {
hw->wiphy->max_scan_ssids = 255;
hw->wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN;

13
drivers/net/wireless/mwifiex/cfg80211.c
View file

@ -948,6 +948,19 @@ static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,
bss_cfg->ssid.ssid_len = params->ssid_len;
}
switch (params->hidden_ssid) {
case NL80211_HIDDEN_SSID_NOT_IN_USE:
bss_cfg->bcast_ssid_ctl = 1;
break;
case NL80211_HIDDEN_SSID_ZERO_LEN:
bss_cfg->bcast_ssid_ctl = 0;
break;
case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
/* firmware doesn't support this type of hidden SSID */
default:
return -EINVAL;
}
if (mwifiex_set_secure_params(priv, bss_cfg, params)) {
kfree(bss_cfg);
wiphy_err(wiphy, "Failed to parse secuirty parameters!\n");

6
drivers/net/wireless/mwifiex/fw.h
View file

@ -122,6 +122,7 @@ enum MWIFIEX_802_11_PRIVACY_FILTER {
#define TLV_TYPE_CHANNELBANDLIST (PROPRIETARY_TLV_BASE_ID + 42)
#define TLV_TYPE_UAP_BEACON_PERIOD (PROPRIETARY_TLV_BASE_ID + 44)
#define TLV_TYPE_UAP_DTIM_PERIOD (PROPRIETARY_TLV_BASE_ID + 45)
#define TLV_TYPE_UAP_BCAST_SSID (PROPRIETARY_TLV_BASE_ID + 48)
#define TLV_TYPE_UAP_RTS_THRESHOLD (PROPRIETARY_TLV_BASE_ID + 51)
#define TLV_TYPE_UAP_WPA_PASSPHRASE (PROPRIETARY_TLV_BASE_ID + 60)
#define TLV_TYPE_UAP_ENCRY_PROTOCOL (PROPRIETARY_TLV_BASE_ID + 64)
@ -1209,6 +1210,11 @@ struct host_cmd_tlv_ssid {
u8 ssid[0];
} __packed;
struct host_cmd_tlv_bcast_ssid {
struct host_cmd_tlv tlv;
u8 bcast_ctl;
} __packed;
struct host_cmd_tlv_beacon_period {
struct host_cmd_tlv tlv;
__le16 period;

10
drivers/net/wireless/mwifiex/uap_cmd.c
View file

@ -132,6 +132,7 @@ mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size)
struct host_cmd_tlv_dtim_period *dtim_period;
struct host_cmd_tlv_beacon_period *beacon_period;
struct host_cmd_tlv_ssid *ssid;
struct host_cmd_tlv_bcast_ssid *bcast_ssid;
struct host_cmd_tlv_channel_band *chan_band;
struct host_cmd_tlv_frag_threshold *frag_threshold;
struct host_cmd_tlv_rts_threshold *rts_threshold;
@ -153,6 +154,14 @@ mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size)
cmd_size += sizeof(struct host_cmd_tlv) +
bss_cfg->ssid.ssid_len;
tlv += sizeof(struct host_cmd_tlv) + bss_cfg->ssid.ssid_len;
bcast_ssid = (struct host_cmd_tlv_bcast_ssid *)tlv;
bcast_ssid->tlv.type = cpu_to_le16(TLV_TYPE_UAP_BCAST_SSID);
bcast_ssid->tlv.len =
cpu_to_le16(sizeof(bcast_ssid->bcast_ctl));
bcast_ssid->bcast_ctl = bss_cfg->bcast_ssid_ctl;
cmd_size += sizeof(struct host_cmd_tlv_bcast_ssid);
tlv += sizeof(struct host_cmd_tlv_bcast_ssid);
}
if (bss_cfg->channel && bss_cfg->channel <= MAX_CHANNEL_BAND_BG) {
chan_band = (struct host_cmd_tlv_channel_band *)tlv;
@ -416,6 +425,7 @@ int mwifiex_uap_set_channel(struct mwifiex_private *priv, int channel)
if (!bss_cfg)
return -ENOMEM;
mwifiex_set_sys_config_invalid_data(bss_cfg);
bss_cfg->band_cfg = BAND_CONFIG_MANUAL;
bss_cfg->channel = channel;

3
drivers/net/wireless/rt2x00/rt2x00.h
View file

@ -396,8 +396,7 @@ struct rt2x00_intf {
* for hardware which doesn't support hardware
* sequence counting.
*/
spinlock_t seqlock;
u16 seqno;
atomic_t seqno;
};
static inline struct rt2x00_intf* vif_to_intf(struct ieee80211_vif *vif)

1
drivers/net/wireless/rt2x00/rt2x00mac.c
View file

@ -277,7 +277,6 @@ int rt2x00mac_add_interface(struct ieee80211_hw *hw,
else
rt2x00dev->intf_sta_count++;
spin_lock_init(&intf->seqlock);
mutex_init(&intf->beacon_skb_mutex);
intf->beacon = entry;

13
drivers/net/wireless/rt2x00/rt2x00queue.c
View file

@ -207,6 +207,7 @@ static void rt2x00queue_create_tx_descriptor_seq(struct rt2x00_dev *rt2x00dev,
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct rt2x00_intf *intf = vif_to_intf(tx_info->control.vif);
u16 seqno;
if (!(tx_info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ))
return;
@ -238,15 +239,13 @@ static void rt2x00queue_create_tx_descriptor_seq(struct rt2x00_dev *rt2x00dev,
* sequence counting per-frame, since those will override the
* sequence counter given by mac80211.
*/
spin_lock(&intf->seqlock);
if (test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags))
intf->seqno += 0x10;
seqno = atomic_add_return(0x10, &intf->seqno);
else
seqno = atomic_read(&intf->seqno);
hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG);
hdr->seq_ctrl |= cpu_to_le16(intf->seqno);
spin_unlock(&intf->seqlock);
hdr->seq_ctrl |= cpu_to_le16(seqno);
}
static void rt2x00queue_create_tx_descriptor_plcp(struct rt2x00_dev *rt2x00dev,

2
net/bluetooth/af_bluetooth.c
View file

@ -210,7 +210,7 @@ struct sock *bt_accept_dequeue(struct sock *parent, struct socket *newsock)
}
if (sk->sk_state == BT_CONNECTED || !newsock ||
test_bit(BT_DEFER_SETUP, &bt_sk(parent)->flags)) {
test_bit(BT_SK_DEFER_SETUP, &bt_sk(parent)->flags)) {
bt_accept_unlink(sk);
if (newsock)
sock_graft(sk, newsock);

7
net/mac80211/agg-rx.c
View file

@ -145,15 +145,20 @@ static void sta_rx_agg_session_timer_expired(unsigned long data)
struct tid_ampdu_rx *tid_rx;
unsigned long timeout;
rcu_read_lock();
tid_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[*ptid]);
if (!tid_rx)
if (!tid_rx) {
rcu_read_unlock();
return;
}
timeout = tid_rx->last_rx + TU_TO_JIFFIES(tid_rx->timeout);
if (time_is_after_jiffies(timeout)) {
mod_timer(&tid_rx->session_timer, timeout);
rcu_read_unlock();
return;
}
rcu_read_unlock();
#ifdef CONFIG_MAC80211_HT_DEBUG
printk(KERN_DEBUG "rx session timer expired on tid %d\n", (u16)*ptid);

6
net/mac80211/cfg.c
View file

@ -533,16 +533,16 @@ static void ieee80211_get_et_stats(struct wiphy *wiphy,
sinfo.filled = 0;
sta_set_sinfo(sta, &sinfo);
if (sinfo.filled | STATION_INFO_TX_BITRATE)
if (sinfo.filled & STATION_INFO_TX_BITRATE)
data[i] = 100000 *
cfg80211_calculate_bitrate(&sinfo.txrate);
i++;
if (sinfo.filled | STATION_INFO_RX_BITRATE)
if (sinfo.filled & STATION_INFO_RX_BITRATE)
data[i] = 100000 *
cfg80211_calculate_bitrate(&sinfo.rxrate);
i++;
if (sinfo.filled | STATION_INFO_SIGNAL_AVG)
if (sinfo.filled & STATION_INFO_SIGNAL_AVG)
data[i] = (u8)sinfo.signal_avg;
i++;
} else {

12
net/mac80211/iface.c
View file

@ -637,6 +637,18 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
ieee80211_configure_filter(local);
break;
default:
mutex_lock(&local->mtx);
if (local->hw_roc_dev == sdata->dev &&
local->hw_roc_channel) {
/* ignore return value since this is racy */
drv_cancel_remain_on_channel(local);
ieee80211_queue_work(&local->hw, &local->hw_roc_done);
}
mutex_unlock(&local->mtx);
flush_work(&local->hw_roc_start);
flush_work(&local->hw_roc_done);
flush_work(&sdata->work);
/*
* When we get here, the interface is marked down.

36
net/mac80211/mlme.c
View file

@ -1220,6 +1220,22 @@ static void ieee80211_sta_wmm_params(struct ieee80211_local *local,
sdata->vif.bss_conf.qos = true;
}
static void __ieee80211_stop_poll(struct ieee80211_sub_if_data *sdata)
{
lockdep_assert_held(&sdata->local->mtx);
sdata->u.mgd.flags &= ~(IEEE80211_STA_CONNECTION_POLL |
IEEE80211_STA_BEACON_POLL);
ieee80211_run_deferred_scan(sdata->local);
}
static void ieee80211_stop_poll(struct ieee80211_sub_if_data *sdata)
{
mutex_lock(&sdata->local->mtx);
__ieee80211_stop_poll(sdata);
mutex_unlock(&sdata->local->mtx);
}
static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata,
u16 capab, bool erp_valid, u8 erp)
{
@ -1285,8 +1301,7 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
sdata->u.mgd.flags |= IEEE80211_STA_RESET_SIGNAL_AVE;
/* just to be sure */
sdata->u.mgd.flags &= ~(IEEE80211_STA_CONNECTION_POLL |
IEEE80211_STA_BEACON_POLL);
ieee80211_stop_poll(sdata);
ieee80211_led_assoc(local, 1);
@ -1456,8 +1471,7 @@ static void ieee80211_reset_ap_probe(struct ieee80211_sub_if_data *sdata)
return;
}
ifmgd->flags &= ~(IEEE80211_STA_CONNECTION_POLL |
IEEE80211_STA_BEACON_POLL);
__ieee80211_stop_poll(sdata);
mutex_lock(&local->iflist_mtx);
ieee80211_recalc_ps(local, -1);
@ -1477,7 +1491,6 @@ static void ieee80211_reset_ap_probe(struct ieee80211_sub_if_data *sdata)
round_jiffies_up(jiffies +
IEEE80211_CONNECTION_IDLE_TIME));
out:
ieee80211_run_deferred_scan(local);
mutex_unlock(&local->mtx);
}
@ -2408,7 +2421,11 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
net_dbg_ratelimited("%s: cancelling probereq poll due to a received beacon\n",
sdata->name);
#endif
mutex_lock(&local->mtx);
ifmgd->flags &= ~IEEE80211_STA_BEACON_POLL;
ieee80211_run_deferred_scan(local);
mutex_unlock(&local->mtx);
mutex_lock(&local->iflist_mtx);
ieee80211_recalc_ps(local, -1);
mutex_unlock(&local->iflist_mtx);
@ -2595,8 +2612,7 @@ static void ieee80211_sta_connection_lost(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
u8 frame_buf[DEAUTH_DISASSOC_LEN];
ifmgd->flags &= ~(IEEE80211_STA_CONNECTION_POLL |
IEEE80211_STA_BEACON_POLL);
ieee80211_stop_poll(sdata);
ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH, reason,
false, frame_buf);
@ -2874,8 +2890,7 @@ static void ieee80211_restart_sta_timer(struct ieee80211_sub_if_data *sdata)
u32 flags;
if (sdata->vif.type == NL80211_IFTYPE_STATION) {
sdata->u.mgd.flags &= ~(IEEE80211_STA_BEACON_POLL |
IEEE80211_STA_CONNECTION_POLL);
__ieee80211_stop_poll(sdata);
/* let's probe the connection once */
flags = sdata->local->hw.flags;
@ -2944,7 +2959,10 @@ void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata)
if (test_and_clear_bit(TMR_RUNNING_CHANSW, &ifmgd->timers_running))
add_timer(&ifmgd->chswitch_timer);
ieee80211_sta_reset_beacon_monitor(sdata);
mutex_lock(&sdata->local->mtx);
ieee80211_restart_sta_timer(sdata);
mutex_unlock(&sdata->local->mtx);
}
#endif

16
net/mac80211/offchannel.c
View file

@ -234,6 +234,22 @@ static void ieee80211_hw_roc_done(struct work_struct *work)
return;
}
/* was never transmitted */
if (local->hw_roc_skb) {
u64 cookie;
cookie = local->hw_roc_cookie ^ 2;
cfg80211_mgmt_tx_status(local->hw_roc_dev, cookie,
local->hw_roc_skb->data,
local->hw_roc_skb->len, false,
GFP_KERNEL);
kfree_skb(local->hw_roc_skb);
local->hw_roc_skb = NULL;
local->hw_roc_skb_for_status = NULL;
}
if (!local->hw_roc_for_tx)
cfg80211_remain_on_channel_expired(local->hw_roc_dev,
local->hw_roc_cookie,

4
net/mac80211/sta_info.c
View file

@ -378,7 +378,7 @@ static int sta_info_insert_finish(struct sta_info *sta) __acquires(RCU)
/* make the station visible */
sta_info_hash_add(local, sta);
list_add(&sta->list, &local->sta_list);
list_add_rcu(&sta->list, &local->sta_list);
set_sta_flag(sta, WLAN_STA_INSERTED);
@ -688,7 +688,7 @@ int __must_check __sta_info_destroy(struct sta_info *sta)
if (ret)
return ret;
list_del(&sta->list);
list_del_rcu(&sta->list);
mutex_lock(&local->key_mtx);
for (i = 0; i < NUM_DEFAULT_KEYS; i++)

7
net/mac80211/tx.c
View file

@ -1737,7 +1737,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
__le16 fc;
struct ieee80211_hdr hdr;
struct ieee80211s_hdr mesh_hdr __maybe_unused;
struct mesh_path __maybe_unused *mppath = NULL;
struct mesh_path __maybe_unused *mppath = NULL, *mpath = NULL;
const u8 *encaps_data;
int encaps_len, skip_header_bytes;
int nh_pos, h_pos;
@ -1803,8 +1803,11 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
goto fail;
}
rcu_read_lock();
if (!is_multicast_ether_addr(skb->data))
if (!is_multicast_ether_addr(skb->data)) {
mpath = mesh_path_lookup(skb->data, sdata);
if (!mpath)
mppath = mpp_path_lookup(skb->data, sdata);
}
/*
* Use address extension if it is a packet from

2
net/mac80211/util.c
View file

@ -1271,7 +1271,7 @@ int ieee80211_reconfig(struct ieee80211_local *local)
enum ieee80211_sta_state state;
for (state = IEEE80211_STA_NOTEXIST;
state < sta->sta_state - 1; state++)
state < sta->sta_state; state++)
WARN_ON(drv_sta_state(local, sta->sdata, sta,
state, state + 1));
}

6
net/wireless/ibss.c
View file

@ -42,6 +42,7 @@ void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid)
cfg80211_hold_bss(bss_from_pub(bss));
wdev->current_bss = bss_from_pub(bss);
wdev->sme_state = CFG80211_SME_CONNECTED;
cfg80211_upload_connect_keys(wdev);
nl80211_send_ibss_bssid(wiphy_to_dev(wdev->wiphy), dev, bssid,
@ -60,7 +61,7 @@ void cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, gfp_t gfp)
struct cfg80211_event *ev;
unsigned long flags;
CFG80211_DEV_WARN_ON(!wdev->ssid_len);
CFG80211_DEV_WARN_ON(wdev->sme_state != CFG80211_SME_CONNECTING);
ev = kzalloc(sizeof(*ev), gfp);
if (!ev)
@ -115,9 +116,11 @@ int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
#ifdef CONFIG_CFG80211_WEXT
wdev->wext.ibss.channel = params->channel;
#endif
wdev->sme_state = CFG80211_SME_CONNECTING;
err = rdev->ops->join_ibss(&rdev->wiphy, dev, params);
if (err) {
wdev->connect_keys = NULL;
wdev->sme_state = CFG80211_SME_IDLE;
return err;
}
@ -169,6 +172,7 @@ static void __cfg80211_clear_ibss(struct net_device *dev, bool nowext)
}
wdev->current_bss = NULL;
wdev->sme_state = CFG80211_SME_IDLE;
wdev->ssid_len = 0;
#ifdef CONFIG_CFG80211_WEXT
if (!nowext)

19
net/wireless/util.c
View file

@ -935,6 +935,7 @@ int cfg80211_can_change_interface(struct cfg80211_registered_device *rdev,
enum nl80211_iftype iftype)
{
struct wireless_dev *wdev_iter;
u32 used_iftypes = BIT(iftype);
int num[NUM_NL80211_IFTYPES];
int total = 1;
int i, j;
@ -961,6 +962,7 @@ int cfg80211_can_change_interface(struct cfg80211_registered_device *rdev,
num[wdev_iter->iftype]++;
total++;
used_iftypes |= BIT(wdev_iter->iftype);
}
mutex_unlock(&rdev->devlist_mtx);
@ -970,6 +972,7 @@ int cfg80211_can_change_interface(struct cfg80211_registered_device *rdev,
for (i = 0; i < rdev->wiphy.n_iface_combinations; i++) {
const struct ieee80211_iface_combination *c;
struct ieee80211_iface_limit *limits;
u32 all_iftypes = 0;
c = &rdev->wiphy.iface_combinations[i];
@ -984,6 +987,7 @@ int cfg80211_can_change_interface(struct cfg80211_registered_device *rdev,
if (rdev->wiphy.software_iftypes & BIT(iftype))
continue;
for (j = 0; j < c->n_limits; j++) {
all_iftypes |= limits[j].types;
if (!(limits[j].types & BIT(iftype)))
continue;
if (limits[j].max < num[iftype])
@ -991,7 +995,20 @@ int cfg80211_can_change_interface(struct cfg80211_registered_device *rdev,
limits[j].max -= num[iftype];
}
}
/* yay, it fits */
/*
* Finally check that all iftypes that we're currently
* using are actually part of this combination. If they
* aren't then we can't use this combination and have
* to continue to the next.
*/
if ((all_iftypes & used_iftypes) != used_iftypes)
goto cont;
/*
* This combination covered all interface types and
* supported the requested numbers, so we're good.
*/
kfree(limits);
return 0;
cont: