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-rw-r--r--net/mac80211/aes_ccm.c6
-rw-r--r--net/mac80211/aes_cmac.c6
-rw-r--r--net/mac80211/agg-rx.c22
-rw-r--r--net/mac80211/cfg.c62
-rw-r--r--net/mac80211/debugfs_key.c55
-rw-r--r--net/mac80211/driver-trace.h4
-rw-r--r--net/mac80211/ht.c28
-rw-r--r--net/mac80211/ibss.c8
-rw-r--r--net/mac80211/ieee80211_i.h20
-rw-r--r--net/mac80211/iface.c63
-rw-r--r--net/mac80211/key.c59
-rw-r--r--net/mac80211/key.h4
-rw-r--r--net/mac80211/main.c81
-rw-r--r--net/mac80211/mlme.c28
-rw-r--r--net/mac80211/rc80211_pid_debugfs.c2
-rw-r--r--net/mac80211/rx.c503
-rw-r--r--net/mac80211/scan.c32
-rw-r--r--net/mac80211/sta_info.h16
-rw-r--r--net/mac80211/status.c2
-rw-r--r--net/mac80211/tx.c22
-rw-r--r--net/mac80211/util.c6
-rw-r--r--net/mac80211/wep.c2
-rw-r--r--net/mac80211/work.c39
-rw-r--r--net/mac80211/wpa.c32
24 files changed, 703 insertions, 399 deletions
diff --git a/net/mac80211/aes_ccm.c b/net/mac80211/aes_ccm.c
index a87cb3ba2df6..d2b03e0851ef 100644
--- a/net/mac80211/aes_ccm.c
+++ b/net/mac80211/aes_ccm.c
@@ -138,10 +138,8 @@ struct crypto_cipher *ieee80211_aes_key_setup_encrypt(const u8 key[])
struct crypto_cipher *tfm;
tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
- if (IS_ERR(tfm))
- return NULL;
-
- crypto_cipher_setkey(tfm, key, ALG_CCMP_KEY_LEN);
+ if (!IS_ERR(tfm))
+ crypto_cipher_setkey(tfm, key, ALG_CCMP_KEY_LEN);
return tfm;
}
diff --git a/net/mac80211/aes_cmac.c b/net/mac80211/aes_cmac.c
index 3d097b3d7b62..b4d66cca76d6 100644
--- a/net/mac80211/aes_cmac.c
+++ b/net/mac80211/aes_cmac.c
@@ -119,10 +119,8 @@ struct crypto_cipher * ieee80211_aes_cmac_key_setup(const u8 key[])
struct crypto_cipher *tfm;
tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
- if (IS_ERR(tfm))
- return NULL;
-
- crypto_cipher_setkey(tfm, key, AES_CMAC_KEY_LEN);
+ if (!IS_ERR(tfm))
+ crypto_cipher_setkey(tfm, key, AES_CMAC_KEY_LEN);
return tfm;
}
diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index 965b272499fd..58eab9e8e4ee 100644
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -86,6 +86,7 @@ void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
tid, 0, reason);
del_timer_sync(&tid_rx->session_timer);
+ del_timer_sync(&tid_rx->reorder_timer);
call_rcu(&tid_rx->rcu_head, ieee80211_free_tid_rx);
}
@@ -120,6 +121,20 @@ static void sta_rx_agg_session_timer_expired(unsigned long data)
ieee80211_queue_work(&sta->local->hw, &sta->ampdu_mlme.work);
}
+static void sta_rx_agg_reorder_timer_expired(unsigned long data)
+{
+ u8 *ptid = (u8 *)data;
+ u8 *timer_to_id = ptid - *ptid;
+ struct sta_info *sta = container_of(timer_to_id, struct sta_info,
+ timer_to_tid[0]);
+
+ rcu_read_lock();
+ spin_lock(&sta->lock);
+ ieee80211_release_reorder_timeout(sta, *ptid);
+ spin_unlock(&sta->lock);
+ rcu_read_unlock();
+}
+
static void ieee80211_send_addba_resp(struct ieee80211_sub_if_data *sdata, u8 *da, u16 tid,
u8 dialog_token, u16 status, u16 policy,
u16 buf_size, u16 timeout)
@@ -251,11 +266,18 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
goto end;
}
+ spin_lock_init(&tid_agg_rx->reorder_lock);
+
/* rx timer */
tid_agg_rx->session_timer.function = sta_rx_agg_session_timer_expired;
tid_agg_rx->session_timer.data = (unsigned long)&sta->timer_to_tid[tid];
init_timer(&tid_agg_rx->session_timer);
+ /* rx reorder timer */
+ tid_agg_rx->reorder_timer.function = sta_rx_agg_reorder_timer_expired;
+ tid_agg_rx->reorder_timer.data = (unsigned long)&sta->timer_to_tid[tid];
+ init_timer(&tid_agg_rx->reorder_timer);
+
/* prepare reordering buffer */
tid_agg_rx->reorder_buf =
kcalloc(buf_size, sizeof(struct sk_buff *), GFP_ATOMIC);
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 29ac8e1a509e..94787d21282c 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -116,7 +116,6 @@ static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
{
struct ieee80211_sub_if_data *sdata;
struct sta_info *sta = NULL;
- enum ieee80211_key_alg alg;
struct ieee80211_key *key;
int err;
@@ -125,33 +124,22 @@ static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ /* reject WEP and TKIP keys if WEP failed to initialize */
switch (params->cipher) {
case WLAN_CIPHER_SUITE_WEP40:
- case WLAN_CIPHER_SUITE_WEP104:
- alg = ALG_WEP;
- break;
case WLAN_CIPHER_SUITE_TKIP:
- alg = ALG_TKIP;
- break;
- case WLAN_CIPHER_SUITE_CCMP:
- alg = ALG_CCMP;
- break;
- case WLAN_CIPHER_SUITE_AES_CMAC:
- alg = ALG_AES_CMAC;
+ case WLAN_CIPHER_SUITE_WEP104:
+ if (IS_ERR(sdata->local->wep_tx_tfm))
+ return -EINVAL;
break;
default:
- return -EINVAL;
+ break;
}
- /* reject WEP and TKIP keys if WEP failed to initialize */
- if ((alg == ALG_WEP || alg == ALG_TKIP) &&
- IS_ERR(sdata->local->wep_tx_tfm))
- return -EINVAL;
-
- key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key,
- params->seq_len, params->seq);
- if (!key)
- return -ENOMEM;
+ key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
+ params->key, params->seq_len, params->seq);
+ if (IS_ERR(key))
+ return PTR_ERR(key);
mutex_lock(&sdata->local->sta_mtx);
@@ -247,10 +235,10 @@ static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
memset(&params, 0, sizeof(params));
- switch (key->conf.alg) {
- case ALG_TKIP:
- params.cipher = WLAN_CIPHER_SUITE_TKIP;
+ params.cipher = key->conf.cipher;
+ switch (key->conf.cipher) {
+ case WLAN_CIPHER_SUITE_TKIP:
iv32 = key->u.tkip.tx.iv32;
iv16 = key->u.tkip.tx.iv16;
@@ -268,8 +256,7 @@ static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
params.seq = seq;
params.seq_len = 6;
break;
- case ALG_CCMP:
- params.cipher = WLAN_CIPHER_SUITE_CCMP;
+ case WLAN_CIPHER_SUITE_CCMP:
seq[0] = key->u.ccmp.tx_pn[5];
seq[1] = key->u.ccmp.tx_pn[4];
seq[2] = key->u.ccmp.tx_pn[3];
@@ -279,14 +266,7 @@ static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
params.seq = seq;
params.seq_len = 6;
break;
- case ALG_WEP:
- if (key->conf.keylen == 5)
- params.cipher = WLAN_CIPHER_SUITE_WEP40;
- else
- params.cipher = WLAN_CIPHER_SUITE_WEP104;
- break;
- case ALG_AES_CMAC:
- params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
+ case WLAN_CIPHER_SUITE_AES_CMAC:
seq[0] = key->u.aes_cmac.tx_pn[5];
seq[1] = key->u.aes_cmac.tx_pn[4];
seq[2] = key->u.aes_cmac.tx_pn[3];
@@ -1541,11 +1521,11 @@ static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
return ieee80211_wk_cancel_remain_on_channel(sdata, cookie);
}
-static int ieee80211_action(struct wiphy *wiphy, struct net_device *dev,
- struct ieee80211_channel *chan,
- enum nl80211_channel_type channel_type,
- bool channel_type_valid,
- const u8 *buf, size_t len, u64 *cookie)
+static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
+ struct ieee80211_channel *chan,
+ enum nl80211_channel_type channel_type,
+ bool channel_type_valid,
+ const u8 *buf, size_t len, u64 *cookie)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = sdata->local;
@@ -1575,8 +1555,6 @@ static int ieee80211_action(struct wiphy *wiphy, struct net_device *dev,
return -ENOLINK;
break;
case NL80211_IFTYPE_STATION:
- if (!(sdata->u.mgd.flags & IEEE80211_STA_MFP_ENABLED))
- flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
break;
default:
return -EOPNOTSUPP;
@@ -1647,6 +1625,6 @@ struct cfg80211_ops mac80211_config_ops = {
.set_bitrate_mask = ieee80211_set_bitrate_mask,
.remain_on_channel = ieee80211_remain_on_channel,
.cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
- .action = ieee80211_action,
+ .mgmt_tx = ieee80211_mgmt_tx,
.set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
};
diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c
index fa5e76e658ef..1647f8dc5cda 100644
--- a/net/mac80211/debugfs_key.c
+++ b/net/mac80211/debugfs_key.c
@@ -64,26 +64,13 @@ static ssize_t key_algorithm_read(struct file *file,
char __user *userbuf,
size_t count, loff_t *ppos)
{
- char *alg;
+ char buf[15];
struct ieee80211_key *key = file->private_data;
+ u32 c = key->conf.cipher;
- switch (key->conf.alg) {
- case ALG_WEP:
- alg = "WEP\n";
- break;
- case ALG_TKIP:
- alg = "TKIP\n";
- break;
- case ALG_CCMP:
- alg = "CCMP\n";
- break;
- case ALG_AES_CMAC:
- alg = "AES-128-CMAC\n";
- break;
- default:
- return 0;
- }
- return simple_read_from_buffer(userbuf, count, ppos, alg, strlen(alg));
+ sprintf(buf, "%.2x-%.2x-%.2x:%d\n",
+ c >> 24, (c >> 16) & 0xff, (c >> 8) & 0xff, c & 0xff);
+ return simple_read_from_buffer(userbuf, count, ppos, buf, strlen(buf));
}
KEY_OPS(algorithm);
@@ -95,21 +82,22 @@ static ssize_t key_tx_spec_read(struct file *file, char __user *userbuf,
int len;
struct ieee80211_key *key = file->private_data;
- switch (key->conf.alg) {
- case ALG_WEP:
+ switch (key->conf.cipher) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ case WLAN_CIPHER_SUITE_WEP104:
len = scnprintf(buf, sizeof(buf), "\n");
break;
- case ALG_TKIP:
+ case WLAN_CIPHER_SUITE_TKIP:
len = scnprintf(buf, sizeof(buf), "%08x %04x\n",
key->u.tkip.tx.iv32,
key->u.tkip.tx.iv16);
break;
- case ALG_CCMP:
+ case WLAN_CIPHER_SUITE_CCMP:
tpn = key->u.ccmp.tx_pn;
len = scnprintf(buf, sizeof(buf), "%02x%02x%02x%02x%02x%02x\n",
tpn[0], tpn[1], tpn[2], tpn[3], tpn[4], tpn[5]);
break;
- case ALG_AES_CMAC:
+ case WLAN_CIPHER_SUITE_AES_CMAC:
tpn = key->u.aes_cmac.tx_pn;
len = scnprintf(buf, sizeof(buf), "%02x%02x%02x%02x%02x%02x\n",
tpn[0], tpn[1], tpn[2], tpn[3], tpn[4],
@@ -130,11 +118,12 @@ static ssize_t key_rx_spec_read(struct file *file, char __user *userbuf,
int i, len;
const u8 *rpn;
- switch (key->conf.alg) {
- case ALG_WEP:
+ switch (key->conf.cipher) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ case WLAN_CIPHER_SUITE_WEP104:
len = scnprintf(buf, sizeof(buf), "\n");
break;
- case ALG_TKIP:
+ case WLAN_CIPHER_SUITE_TKIP:
for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
p += scnprintf(p, sizeof(buf)+buf-p,
"%08x %04x\n",
@@ -142,7 +131,7 @@ static ssize_t key_rx_spec_read(struct file *file, char __user *userbuf,
key->u.tkip.rx[i].iv16);
len = p - buf;
break;
- case ALG_CCMP:
+ case WLAN_CIPHER_SUITE_CCMP:
for (i = 0; i < NUM_RX_DATA_QUEUES + 1; i++) {
rpn = key->u.ccmp.rx_pn[i];
p += scnprintf(p, sizeof(buf)+buf-p,
@@ -152,7 +141,7 @@ static ssize_t key_rx_spec_read(struct file *file, char __user *userbuf,
}
len = p - buf;
break;
- case ALG_AES_CMAC:
+ case WLAN_CIPHER_SUITE_AES_CMAC:
rpn = key->u.aes_cmac.rx_pn;
p += scnprintf(p, sizeof(buf)+buf-p,
"%02x%02x%02x%02x%02x%02x\n",
@@ -174,11 +163,11 @@ static ssize_t key_replays_read(struct file *file, char __user *userbuf,
char buf[20];
int len;
- switch (key->conf.alg) {
- case ALG_CCMP:
+ switch (key->conf.cipher) {
+ case WLAN_CIPHER_SUITE_CCMP:
len = scnprintf(buf, sizeof(buf), "%u\n", key->u.ccmp.replays);
break;
- case ALG_AES_CMAC:
+ case WLAN_CIPHER_SUITE_AES_CMAC:
len = scnprintf(buf, sizeof(buf), "%u\n",
key->u.aes_cmac.replays);
break;
@@ -196,8 +185,8 @@ static ssize_t key_icverrors_read(struct file *file, char __user *userbuf,
char buf[20];
int len;
- switch (key->conf.alg) {
- case ALG_AES_CMAC:
+ switch (key->conf.cipher) {
+ case WLAN_CIPHER_SUITE_AES_CMAC:
len = scnprintf(buf, sizeof(buf), "%u\n",
key->u.aes_cmac.icverrors);
break;
diff --git a/net/mac80211/driver-trace.h b/net/mac80211/driver-trace.h
index 5d5d2a974668..b5a95582d816 100644
--- a/net/mac80211/driver-trace.h
+++ b/net/mac80211/driver-trace.h
@@ -336,7 +336,7 @@ TRACE_EVENT(drv_set_key,
LOCAL_ENTRY
VIF_ENTRY
STA_ENTRY
- __field(enum ieee80211_key_alg, alg)
+ __field(u32, cipher)
__field(u8, hw_key_idx)
__field(u8, flags)
__field(s8, keyidx)
@@ -346,7 +346,7 @@ TRACE_EVENT(drv_set_key,
LOCAL_ASSIGN;
VIF_ASSIGN;
STA_ASSIGN;
- __entry->alg = key->alg;
+ __entry->cipher = key->cipher;
__entry->flags = key->flags;
__entry->keyidx = key->keyidx;
__entry->hw_key_idx = key->hw_key_idx;
diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c
index 9d101fb33861..11f74f5f7b2f 100644
--- a/net/mac80211/ht.c
+++ b/net/mac80211/ht.c
@@ -265,3 +265,31 @@ int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata,
return 0;
}
+
+void ieee80211_request_smps_work(struct work_struct *work)
+{
+ struct ieee80211_sub_if_data *sdata =
+ container_of(work, struct ieee80211_sub_if_data,
+ u.mgd.request_smps_work);
+
+ mutex_lock(&sdata->u.mgd.mtx);
+ __ieee80211_request_smps(sdata, sdata->u.mgd.driver_smps_mode);
+ mutex_unlock(&sdata->u.mgd.mtx);
+}
+
+void ieee80211_request_smps(struct ieee80211_vif *vif,
+ enum ieee80211_smps_mode smps_mode)
+{
+ struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+
+ if (WARN_ON(vif->type != NL80211_IFTYPE_STATION))
+ return;
+
+ if (WARN_ON(smps_mode == IEEE80211_SMPS_OFF))
+ smps_mode = IEEE80211_SMPS_AUTOMATIC;
+
+ ieee80211_queue_work(&sdata->local->hw,
+ &sdata->u.mgd.request_smps_work);
+}
+/* this might change ... don't want non-open drivers using it */
+EXPORT_SYMBOL_GPL(ieee80211_request_smps);
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index c691780725a7..32af97108425 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -920,12 +920,14 @@ int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
memcpy(sdata->u.ibss.ssid, params->ssid, IEEE80211_MAX_SSID_LEN);
sdata->u.ibss.ssid_len = params->ssid_len;
+ mutex_unlock(&sdata->u.ibss.mtx);
+
+ mutex_lock(&sdata->local->mtx);
ieee80211_recalc_idle(sdata->local);
+ mutex_unlock(&sdata->local->mtx);
ieee80211_queue_work(&sdata->local->hw, &sdata->work);
- mutex_unlock(&sdata->u.ibss.mtx);
-
return 0;
}
@@ -980,7 +982,9 @@ int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata)
mutex_unlock(&sdata->u.ibss.mtx);
+ mutex_lock(&local->mtx);
ieee80211_recalc_idle(sdata->local);
+ mutex_unlock(&local->mtx);
return 0;
}
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 65e0ed6c2975..e73ae51dc036 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -170,6 +170,7 @@ typedef unsigned __bitwise__ ieee80211_rx_result;
#define IEEE80211_RX_RA_MATCH BIT(1)
#define IEEE80211_RX_AMSDU BIT(2)
#define IEEE80211_RX_FRAGMENTED BIT(3)
+#define IEEE80211_MALFORMED_ACTION_FRM BIT(4)
/* only add flags here that do not change with subframes of an aMPDU */
struct ieee80211_rx_data {
@@ -343,7 +344,10 @@ struct ieee80211_if_managed {
unsigned long timers_running; /* used for quiesce/restart */
bool powersave; /* powersave requested for this iface */
enum ieee80211_smps_mode req_smps, /* requested smps mode */
- ap_smps; /* smps mode AP thinks we're in */
+ ap_smps, /* smps mode AP thinks we're in */
+ driver_smps_mode; /* smps mode request */
+
+ struct work_struct request_smps_work;
unsigned int flags;
@@ -497,6 +501,9 @@ struct ieee80211_sub_if_data {
*/
bool ht_opmode_valid;
+ /* to detect idle changes */
+ bool old_idle;
+
/* Fragment table for host-based reassembly */
struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX];
unsigned int fragment_next;
@@ -634,7 +641,6 @@ struct ieee80211_local {
/*
* work stuff, potentially off-channel (in the future)
*/
- struct mutex work_mtx;
struct list_head work_list;
struct timer_list work_timer;
struct work_struct work_work;
@@ -746,9 +752,10 @@ struct ieee80211_local {
*/
struct mutex key_mtx;
+ /* mutex for scan and work locking */
+ struct mutex mtx;
/* Scanning and BSS list */
- struct mutex scan_mtx;
unsigned long scanning;
struct cfg80211_ssid scan_ssid;
struct cfg80211_scan_request *int_scan_req;
@@ -870,6 +877,11 @@ struct ieee80211_local {
struct dentry *keys;
} debugfs;
#endif
+
+ /* dummy netdev for use w/ NAPI */
+ struct net_device napi_dev;
+
+ struct napi_struct napi;
};
static inline struct ieee80211_sub_if_data *
@@ -1105,6 +1117,7 @@ void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata,
int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata,
enum ieee80211_smps_mode smps, const u8 *da,
const u8 *bssid);
+void ieee80211_request_smps_work(struct work_struct *work);
void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
u16 initiator, u16 reason);
@@ -1131,6 +1144,7 @@ void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid);
void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid);
void ieee80211_ba_session_work(struct work_struct *work);
void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid);
+void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid);
/* Spectrum management */
void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata,
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index ebbe264e2b0b..86f434f234ae 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -177,7 +177,7 @@ static int ieee80211_open(struct net_device *dev)
/* no special treatment */
break;
case NL80211_IFTYPE_UNSPECIFIED:
- case __NL80211_IFTYPE_AFTER_LAST:
+ case NUM_NL80211_IFTYPES:
/* cannot happen */
WARN_ON(1);
break;
@@ -187,6 +187,8 @@ static int ieee80211_open(struct net_device *dev)
res = drv_start(local);
if (res)
goto err_del_bss;
+ if (local->ops->napi_poll)
+ napi_enable(&local->napi);
/* we're brought up, everything changes */
hw_reconf_flags = ~0;
ieee80211_led_radio(local, true);
@@ -307,7 +309,9 @@ static int ieee80211_open(struct net_device *dev)
if (sdata->flags & IEEE80211_SDATA_PROMISC)
atomic_inc(&local->iff_promiscs);
+ mutex_lock(&local->mtx);
hw_reconf_flags |= __ieee80211_recalc_idle(local);
+ mutex_unlock(&local->mtx);
local->open_count++;
if (hw_reconf_flags) {
@@ -514,11 +518,15 @@ static int ieee80211_stop(struct net_device *dev)
sdata->bss = NULL;
+ mutex_lock(&local->mtx);
hw_reconf_flags |= __ieee80211_recalc_idle(local);
+ mutex_unlock(&local->mtx);
ieee80211_recalc_ps(local, -1);
if (local->open_count == 0) {
+ if (local->ops->napi_poll)
+ napi_disable(&local->napi);
ieee80211_clear_tx_pending(local);
ieee80211_stop_device(local);
@@ -626,7 +634,7 @@ static void ieee80211_teardown_sdata(struct net_device *dev)
case NL80211_IFTYPE_MONITOR:
break;
case NL80211_IFTYPE_UNSPECIFIED:
- case __NL80211_IFTYPE_AFTER_LAST:
+ case NUM_NL80211_IFTYPES:
BUG();
break;
}
@@ -878,7 +886,7 @@ static void ieee80211_setup_sdata(struct ieee80211_sub_if_data *sdata,
case NL80211_IFTYPE_AP_VLAN:
break;
case NL80211_IFTYPE_UNSPECIFIED:
- case __NL80211_IFTYPE_AFTER_LAST:
+ case NUM_NL80211_IFTYPES:
BUG();
break;
}
@@ -1195,28 +1203,61 @@ u32 __ieee80211_recalc_idle(struct ieee80211_local *local)
{
struct ieee80211_sub_if_data *sdata;
int count = 0;
+ bool working = false, scanning = false;
+ struct ieee80211_work *wk;
- if (!list_empty(&local->work_list))
- return ieee80211_idle_off(local, "working");
-
- if (local->scanning)
- return ieee80211_idle_off(local, "scanning");
+#ifdef CONFIG_PROVE_LOCKING
+ WARN_ON(debug_locks && !lockdep_rtnl_is_held() &&
+ !lockdep_is_held(&local->iflist_mtx));
+#endif
+ lockdep_assert_held(&local->mtx);
list_for_each_entry(sdata, &local->interfaces, list) {
- if (!ieee80211_sdata_running(sdata))
+ if (!ieee80211_sdata_running(sdata)) {
+ sdata->vif.bss_conf.idle = true;
continue;
+ }
+
+ sdata->old_idle = sdata->vif.bss_conf.idle;
+
/* do not count disabled managed interfaces */
if (sdata->vif.type == NL80211_IFTYPE_STATION &&
- !sdata->u.mgd.associated)
+ !sdata->u.mgd.associated) {
+ sdata->vif.bss_conf.idle = true;
continue;
+ }
/* do not count unused IBSS interfaces */
if (sdata->vif.type == NL80211_IFTYPE_ADHOC &&
- !sdata->u.ibss.ssid_len)
+ !sdata->u.ibss.ssid_len) {
+ sdata->vif.bss_conf.idle = true;
continue;
+ }
/* count everything else */
count++;
}
+ list_for_each_entry(wk, &local->work_list, list) {
+ working = true;
+ wk->sdata->vif.bss_conf.idle = false;
+ }
+
+ if (local->scan_sdata) {
+ scanning = true;
+ local->scan_sdata->vif.bss_conf.idle = false;
+ }
+
+ list_for_each_entry(sdata, &local->interfaces, list) {
+ if (sdata->old_idle == sdata->vif.bss_conf.idle)
+ continue;
+ if (!ieee80211_sdata_running(sdata))
+ continue;
+ ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_IDLE);
+ }
+
+ if (working)
+ return ieee80211_idle_off(local, "working");
+ if (scanning)
+ return ieee80211_idle_off(local, "scanning");
if (!count)
return ieee80211_idle_on(local);
else
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index 1b9d87ed143a..9c27c53cfae5 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -227,20 +227,18 @@ static void __ieee80211_key_replace(struct ieee80211_sub_if_data *sdata,
}
}
-struct ieee80211_key *ieee80211_key_alloc(enum ieee80211_key_alg alg,
- int idx,
- size_t key_len,
+struct ieee80211_key *ieee80211_key_alloc(u32 cipher, int idx, size_t key_len,
const u8 *key_data,
size_t seq_len, const u8 *seq)
{
struct ieee80211_key *key;
- int i, j;
+ int i, j, err;
BUG_ON(idx < 0 || idx >= NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS);
key = kzalloc(sizeof(struct ieee80211_key) + key_len, GFP_KERNEL);
if (!key)
- return NULL;
+ return ERR_PTR(-ENOMEM);
/*
* Default to software encryption; we'll later upload the
@@ -249,15 +247,16 @@ struct ieee80211_key *ieee80211_key_alloc(enum ieee80211_key_alg alg,
key->conf.flags = 0;
key->flags = 0;
- key->conf.alg = alg;
+ key->conf.cipher = cipher;
key->conf.keyidx = idx;
key->conf.keylen = key_len;
- switch (alg) {
- case ALG_WEP:
+ switch (cipher) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ case WLAN_CIPHER_SUITE_WEP104:
key->conf.iv_len = WEP_IV_LEN;
key->conf.icv_len = WEP_ICV_LEN;
break;
- case ALG_TKIP:
+ case WLAN_CIPHER_SUITE_TKIP:
key->conf.iv_len = TKIP_IV_LEN;
key->conf.icv_len = TKIP_ICV_LEN;
if (seq) {
@@ -269,7 +268,7 @@ struct ieee80211_key *ieee80211_key_alloc(enum ieee80211_key_alg alg,
}
}
break;
- case ALG_CCMP:
+ case WLAN_CIPHER_SUITE_CCMP:
key->conf.iv_len = CCMP_HDR_LEN;
key->conf.icv_len = CCMP_MIC_LEN;
if (seq) {
@@ -278,42 +277,38 @@ struct ieee80211_key *ieee80211_key_alloc(enum ieee80211_key_alg alg,
key->u.ccmp.rx_pn[i][j] =
seq[CCMP_PN_LEN - j - 1];
}
- break;
- case ALG_AES_CMAC:
- key->conf.iv_len = 0;
- key->conf.icv_len = sizeof(struct ieee80211_mmie);
- if (seq)
- for (j = 0; j < 6; j++)
- key->u.aes_cmac.rx_pn[j] = seq[6 - j - 1];
- break;
- }
- memcpy(key->conf.key, key_data, key_len);
- INIT_LIST_HEAD(&key->list);
-
- if (alg == ALG_CCMP) {
/*
* Initialize AES key state here as an optimization so that
* it does not need to be initialized for every packet.
*/
key->u.ccmp.tfm = ieee80211_aes_key_setup_encrypt(key_data);
- if (!key->u.ccmp.tfm) {
+ if (IS_ERR(key->u.ccmp.tfm)) {
+ err = PTR_ERR(key->u.ccmp.tfm);
kfree(key);
- return NULL;
+ key = ERR_PTR(err);
}
- }
-
- if (alg == ALG_AES_CMAC) {
+ break;
+ case WLAN_CIPHER_SUITE_AES_CMAC:
+ key->conf.iv_len = 0;
+ key->conf.icv_len = sizeof(struct ieee80211_mmie);
+ if (seq)
+ for (j = 0; j < 6; j++)
+ key->u.aes_cmac.rx_pn[j] = seq[6 - j - 1];
/*
* Initialize AES key state here as an optimization so that
* it does not need to be initialized for every packet.
*/
key->u.aes_cmac.tfm =
ieee80211_aes_cmac_key_setup(key_data);
- if (!key->u.aes_cmac.tfm) {
+ if (IS_ERR(key->u.aes_cmac.tfm)) {
+ err = PTR_ERR(key->u.aes_cmac.tfm);
kfree(key);
- return NULL;
+ key = ERR_PTR(err);
}
+ break;
}
+ memcpy(key->conf.key, key_data, key_len);
+ INIT_LIST_HEAD(&key->list);
return key;
}
@@ -326,9 +321,9 @@ static void __ieee80211_key_destroy(struct ieee80211_key *key)
if (key->local)
ieee80211_key_disable_hw_accel(key);
- if (key->conf.alg == ALG_CCMP)
+ if (key->conf.cipher == WLAN_CIPHER_SUITE_CCMP)
ieee80211_aes_key_free(key->u.ccmp.tfm);
- if (key->conf.alg == ALG_AES_CMAC)
+ if (key->conf.cipher == WLAN_CIPHER_SUITE_AES_CMAC)
ieee80211_aes_cmac_key_free(key->u.aes_cmac.tfm);
if (key->local)
ieee80211_debugfs_key_remove(key);
diff --git a/net/mac80211/key.h b/net/mac80211/key.h
index b665bbb7a471..53b5ce12536f 100644
--- a/net/mac80211/key.h
+++ b/net/mac80211/key.h
@@ -123,9 +123,7 @@ struct ieee80211_key {
struct ieee80211_key_conf conf;
};
-struct ieee80211_key *ieee80211_key_alloc(enum ieee80211_key_alg alg,
- int idx,
- size_t key_len,
+struct ieee80211_key *ieee80211_key_alloc(u32 cipher, int idx, size_t key_len,
const u8 *key_data,
size_t seq_len, const u8 *seq);
/*
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 798a91b100cc..a53feac4618c 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -99,11 +99,13 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed)
int ret = 0;
int power;
enum nl80211_channel_type channel_type;
+ u32 offchannel_flag;
might_sleep();
scan_chan = local->scan_channel;
+ offchannel_flag = local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL;
if (scan_chan) {
chan = scan_chan;
channel_type = NL80211_CHAN_NO_HT;
@@ -117,8 +119,9 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed)
channel_type = local->_oper_channel_type;
local->hw.conf.flags &= ~IEEE80211_CONF_OFFCHANNEL;
}
+ offchannel_flag ^= local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL;
- if (chan != local->hw.conf.channel ||
+ 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;
@@ -390,6 +393,65 @@ static int ieee80211_ifa_changed(struct notifier_block *nb,
}
#endif
+static int ieee80211_napi_poll(struct napi_struct *napi, int budget)
+{
+ struct ieee80211_local *local =
+ container_of(napi, struct ieee80211_local, napi);
+
+ return local->ops->napi_poll(&local->hw, budget);
+}
+
+void ieee80211_napi_schedule(struct ieee80211_hw *hw)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+
+ napi_schedule(&local->napi);
+}
+EXPORT_SYMBOL(ieee80211_napi_schedule);
+
+void ieee80211_napi_complete(struct ieee80211_hw *hw)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+
+ napi_complete(&local->napi);
+}
+EXPORT_SYMBOL(ieee80211_napi_complete);
+
+/* There isn't a lot of sense in it, but you can transmit anything you like */
+static const struct ieee80211_txrx_stypes
+ieee80211_default_mgmt_stypes[NUM_NL80211_IFTYPES] = {
+ [NL80211_IFTYPE_ADHOC] = {
+ .tx = 0xffff,
+ .rx = BIT(IEEE80211_STYPE_ACTION >> 4),
+ },
+ [NL80211_IFTYPE_STATION] = {
+ .tx = 0xffff,
+ .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
+ BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
+ },
+ [NL80211_IFTYPE_AP] = {
+ .tx = 0xffff,
+ .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
+ BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
+ BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
+ BIT(IEEE80211_STYPE_DISASSOC >> 4) |
+ BIT(IEEE80211_STYPE_AUTH >> 4) |
+ BIT(IEEE80211_STYPE_DEAUTH >> 4) |
+ BIT(IEEE80211_STYPE_ACTION >> 4),
+ },
+ [NL80211_IFTYPE_AP_VLAN] = {
+ /* copy AP */
+ .tx = 0xffff,
+ .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
+ BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
+ BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
+ BIT(IEEE80211_STYPE_DISASSOC >> 4) |
+ BIT(IEEE80211_STYPE_AUTH >> 4) |
+ BIT(IEEE80211_STYPE_DEAUTH >> 4) |
+ BIT(IEEE80211_STYPE_ACTION >> 4),
+ },
+};
+
struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
const struct ieee80211_ops *ops)
{
@@ -419,6 +481,8 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
if (!wiphy)
return NULL;
+ wiphy->mgmt_stypes = ieee80211_default_mgmt_stypes;
+
wiphy->flags |= WIPHY_FLAG_NETNS_OK |
WIPHY_FLAG_4ADDR_AP |
WIPHY_FLAG_4ADDR_STATION;
@@ -455,7 +519,7 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
__hw_addr_init(&local->mc_list);
mutex_init(&local->iflist_mtx);
- mutex_init(&local->scan_mtx);
+ mutex_init(&local->mtx);
mutex_init(&local->key_mtx);
spin_lock_init(&local->filter_lock);
@@ -494,6 +558,9 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
skb_queue_head_init(&local->skb_queue);
skb_queue_head_init(&local->skb_queue_unreliable);
+ /* init dummy netdev for use w/ NAPI */
+ init_dummy_netdev(&local->napi_dev);
+
return local_to_hw(local);
}
EXPORT_SYMBOL(ieee80211_alloc_hw);
@@ -506,6 +573,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
int channels, max_bitrates;
bool supp_ht;
static const u32 cipher_suites[] = {
+ /* keep WEP first, it may be removed below */
WLAN_CIPHER_SUITE_WEP40,
WLAN_CIPHER_SUITE_WEP104,
WLAN_CIPHER_SUITE_TKIP,
@@ -593,6 +661,10 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
local->hw.wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
if (!(local->hw.flags & IEEE80211_HW_MFP_CAPABLE))
local->hw.wiphy->n_cipher_suites--;
+ if (IS_ERR(local->wep_tx_tfm) || IS_ERR(local->wep_rx_tfm)) {
+ local->hw.wiphy->cipher_suites += 2;
+ local->hw.wiphy->n_cipher_suites -= 2;
+ }
result = wiphy_register(local->hw.wiphy);
if (result < 0)
@@ -683,6 +755,9 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
goto fail_ifa;
#endif
+ netif_napi_add(&local->napi_dev, &local->napi, ieee80211_napi_poll,
+ local->hw.napi_weight);
+
return 0;
#ifdef CONFIG_INET
@@ -758,7 +833,7 @@ void ieee80211_free_hw(struct ieee80211_hw *hw)
struct ieee80211_local *local = hw_to_local(hw);
mutex_destroy(&local->iflist_mtx);
- mutex_destroy(&local->scan_mtx);
+ mutex_destroy(&local->mtx);
wiphy_free(local->hw.wiphy);
}
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index b6c163ac22da..38996a44aa8e 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1103,8 +1103,11 @@ static void __ieee80211_connection_loss(struct ieee80211_sub_if_data *sdata)
printk(KERN_DEBUG "Connection to AP %pM lost.\n", bssid);
ieee80211_set_disassoc(sdata, true);
- ieee80211_recalc_idle(local);
mutex_unlock(&ifmgd->mtx);
+
+ mutex_lock(&local->mtx);
+ ieee80211_recalc_idle(local);
+ mutex_unlock(&local->mtx);
/*
* must be outside lock due to cfg80211,
* but that's not a problem.
@@ -1173,7 +1176,9 @@ ieee80211_rx_mgmt_deauth(struct ieee80211_sub_if_data *sdata,
sdata->name, bssid, reason_code);
ieee80211_set_disassoc(sdata, true);
+ mutex_lock(&sdata->local->mtx);
ieee80211_recalc_idle(sdata->local);
+ mutex_unlock(&sdata->local->mtx);
return RX_MGMT_CFG80211_DEAUTH;
}
@@ -1203,7 +1208,9 @@ ieee80211_rx_mgmt_disassoc(struct ieee80211_sub_if_data *sdata,
sdata->name, mgmt->sa, reason_code);
ieee80211_set_disassoc(sdata, true);
+ mutex_lock(&sdata->local->mtx);
ieee80211_recalc_idle(sdata->local);
+ mutex_unlock(&sdata->local->mtx);
return RX_MGMT_CFG80211_DISASSOC;
}
@@ -1751,7 +1758,7 @@ void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
struct ieee80211_local *local = sdata->local;
struct ieee80211_work *wk;
- mutex_lock(&local->work_mtx);
+ mutex_lock(&local->mtx);
list_for_each_entry(wk, &local->work_list, list) {
if (wk->sdata != sdata)
continue;
@@ -1783,7 +1790,7 @@ void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
free_work(wk);
break;
}
- mutex_unlock(&local->work_mtx);
+ mutex_unlock(&local->mtx);
cfg80211_send_deauth(sdata->dev, (u8 *)mgmt, skb->len);
}
@@ -1840,8 +1847,10 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
" after %dms, disconnecting.\n",
bssid, (1000 * IEEE80211_PROBE_WAIT)/HZ);
ieee80211_set_disassoc(sdata, true);
- ieee80211_recalc_idle(local);
mutex_unlock(&ifmgd->mtx);
+ mutex_lock(&local->mtx);
+ ieee80211_recalc_idle(local);
+ mutex_unlock(&local->mtx);
/*
* must be outside lock due to cfg80211,
* but that's not a problem.
@@ -1917,6 +1926,8 @@ void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata)
* time -- the code here is properly synchronised.
*/
+ cancel_work_sync(&ifmgd->request_smps_work);
+
cancel_work_sync(&ifmgd->beacon_connection_loss_work);
if (del_timer_sync(&ifmgd->timer))
set_bit(TMR_RUNNING_TIMER, &ifmgd->timers_running);
@@ -1952,6 +1963,7 @@ void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata)
INIT_WORK(&ifmgd->chswitch_work, ieee80211_chswitch_work);
INIT_WORK(&ifmgd->beacon_connection_loss_work,
ieee80211_beacon_connection_loss_work);
+ INIT_WORK(&ifmgd->request_smps_work, ieee80211_request_smps_work);
setup_timer(&ifmgd->timer, ieee80211_sta_timer,
(unsigned long) sdata);
setup_timer(&ifmgd->bcn_mon_timer, ieee80211_sta_bcn_mon_timer,
@@ -2275,7 +2287,7 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
mutex_unlock(&ifmgd->mtx);
- mutex_lock(&local->work_mtx);
+ mutex_lock(&local->mtx);
list_for_each_entry(wk, &local->work_list, list) {
if (wk->sdata != sdata)
continue;
@@ -2294,7 +2306,7 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
free_work(wk);
break;
}
- mutex_unlock(&local->work_mtx);
+ mutex_unlock(&local->mtx);
/*
* If somebody requests authentication and we haven't
@@ -2319,7 +2331,9 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
if (assoc_bss)
sta_info_destroy_addr(sdata, bssid);
+ mutex_lock(&sdata->local->mtx);
ieee80211_recalc_idle(sdata->local);
+ mutex_unlock(&sdata->local->mtx);
return 0;
}
@@ -2357,7 +2371,9 @@ int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata,
cookie, !req->local_state_change);
sta_info_destroy_addr(sdata, bssid);
+ mutex_lock(&sdata->local->mtx);
ieee80211_recalc_idle(sdata->local);
+ mutex_unlock(&sdata->local->mtx);
return 0;
}
diff --git a/net/mac80211/rc80211_pid_debugfs.c b/net/mac80211/rc80211_pid_debugfs.c
index 47438b4a9af5..135f36fd4d5d 100644
--- a/net/mac80211/rc80211_pid_debugfs.c
+++ b/net/mac80211/rc80211_pid_debugfs.c
@@ -162,7 +162,7 @@ static ssize_t rate_control_pid_events_read(struct file *file, char __user *buf,
file_info->next_entry = (file_info->next_entry + 1) %
RC_PID_EVENT_RING_SIZE;
- /* Print information about the event. Note that userpace needs to
+ /* Print information about the event. Note that userspace needs to
* provide large enough buffers. */
length = length < RC_PID_PRINT_BUF_SIZE ?
length : RC_PID_PRINT_BUF_SIZE;
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index fa0f37e4afe4..aa41e382bbb3 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -538,20 +538,12 @@ static void ieee80211_release_reorder_frame(struct ieee80211_hw *hw,
int index,
struct sk_buff_head *frames)
{
- struct ieee80211_supported_band *sband;
- struct ieee80211_rate *rate = NULL;
struct sk_buff *skb = tid_agg_rx->reorder_buf[index];
- struct ieee80211_rx_status *status;
if (!skb)
goto no_frame;
- status = IEEE80211_SKB_RXCB(skb);
-
- /* release the reordered frames to stack */
- sband = hw->wiphy->bands[status->band];
- if (!(status->flag & RX_FLAG_HT))
- rate = &sband->bitrates[status->rate_idx];
+ /* release the frame from the reorder ring buffer */
tid_agg_rx->stored_mpdu_num--;
tid_agg_rx->reorder_buf[index] = NULL;
__skb_queue_tail(frames, skb);
@@ -580,9 +572,80 @@ static void ieee80211_release_reorder_frames(struct ieee80211_hw *hw,
* frames that have not yet been received are assumed to be lost and the skb
* can be released for processing. This may also release other skb's from the
* reorder buffer if there are no additional gaps between the frames.
+ *
+ * Callers must hold tid_agg_rx->reorder_lock.
*/
#define HT_RX_REORDER_BUF_TIMEOUT (HZ / 10)
+static void ieee80211_sta_reorder_release(struct ieee80211_hw *hw,
+ struct tid_ampdu_rx *tid_agg_rx,
+ struct sk_buff_head *frames)
+{
+ int index, j;
+
+ /* release the buffer until next missing frame */
+ index = seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn) %
+ tid_agg_rx->buf_size;
+ if (!tid_agg_rx->reorder_buf[index] &&
+ tid_agg_rx->stored_mpdu_num > 1) {
+ /*
+ * No buffers ready to be released, but check whether any
+ * frames in the reorder buffer have timed out.
+ */
+ int skipped = 1;
+ for (j = (index + 1) % tid_agg_rx->buf_size; j != index;
+ j = (j + 1) % tid_agg_rx->buf_size) {
+ if (!tid_agg_rx->reorder_buf[j]) {
+ skipped++;
+ continue;
+ }
+ if (!time_after(jiffies, tid_agg_rx->reorder_time[j] +
+ HT_RX_REORDER_BUF_TIMEOUT))
+ goto set_release_timer;
+
+#ifdef CONFIG_MAC80211_HT_DEBUG
+ if (net_ratelimit())
+ printk(KERN_DEBUG "%s: release an RX reorder "
+ "frame due to timeout on earlier "
+ "frames\n",
+ wiphy_name(hw->wiphy));
+#endif
+ ieee80211_release_reorder_frame(hw, tid_agg_rx,
+ j, frames);
+
+ /*
+ * Increment the head seq# also for the skipped slots.
+ */
+ tid_agg_rx->head_seq_num =
+ (tid_agg_rx->head_seq_num + skipped) & SEQ_MASK;
+ skipped = 0;
+ }
+ } else while (tid_agg_rx->reorder_buf[index]) {
+ ieee80211_release_reorder_frame(hw, tid_agg_rx, index, frames);
+ index = seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn) %
+ tid_agg_rx->buf_size;
+ }
+
+ if (tid_agg_rx->stored_mpdu_num) {
+ j = index = seq_sub(tid_agg_rx->head_seq_num,
+ tid_agg_rx->ssn) % tid_agg_rx->buf_size;
+
+ for (; j != (index - 1) % tid_agg_rx->buf_size;
+ j = (j + 1) % tid_agg_rx->buf_size) {
+ if (tid_agg_rx->reorder_buf[j])
+ break;
+ }
+
+ set_release_timer:
+
+ mod_timer(&tid_agg_rx->reorder_timer,
+ tid_agg_rx->reorder_time[j] +
+ HT_RX_REORDER_BUF_TIMEOUT);
+ } else {
+ del_timer(&tid_agg_rx->reorder_timer);
+ }
+}
+
/*
* As this function belongs to the RX path it must be under
* rcu_read_lock protection. It returns false if the frame
@@ -598,14 +661,16 @@ static bool ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
u16 mpdu_seq_num = (sc & IEEE80211_SCTL_SEQ) >> 4;
u16 head_seq_num, buf_size;
int index;
+ bool ret = true;
buf_size = tid_agg_rx->buf_size;
head_seq_num = tid_agg_rx->head_seq_num;
+ spin_lock(&tid_agg_rx->reorder_lock);
/* frame with out of date sequence number */
if (seq_less(mpdu_seq_num, head_seq_num)) {
dev_kfree_skb(skb);
- return true;
+ goto out;
}
/*
@@ -626,7 +691,7 @@ static bool ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
/* check if we already stored this frame */
if (tid_agg_rx->reorder_buf[index]) {
dev_kfree_skb(skb);
- return true;
+ goto out;
}
/*
@@ -636,58 +701,19 @@ static bool ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
if (mpdu_seq_num == tid_agg_rx->head_seq_num &&
tid_agg_rx->stored_mpdu_num == 0) {
tid_agg_rx->head_seq_num = seq_inc(tid_agg_rx->head_seq_num);
- return false;
+ ret = false;
+ goto out;
}
/* put the frame in the reordering buffer */
tid_agg_rx->reorder_buf[index] = skb;
tid_agg_rx->reorder_time[index] = jiffies;
tid_agg_rx->stored_mpdu_num++;
- /* release the buffer until next missing frame */
- index = seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn) %
- tid_agg_rx->buf_size;
- if (!tid_agg_rx->reorder_buf[index] &&
- tid_agg_rx->stored_mpdu_num > 1) {
- /*
- * No buffers ready to be released, but check whether any
- * frames in the reorder buffer have timed out.
- */
- int j;
- int skipped = 1;
- for (j = (index + 1) % tid_agg_rx->buf_size; j != index;
- j = (j + 1) % tid_agg_rx->buf_size) {
- if (!tid_agg_rx->reorder_buf[j]) {
- skipped++;
- continue;
- }
- if (!time_after(jiffies, tid_agg_rx->reorder_time[j] +
- HT_RX_REORDER_BUF_TIMEOUT))
- break;
-
-#ifdef CONFIG_MAC80211_HT_DEBUG
- if (net_ratelimit())
- printk(KERN_DEBUG "%s: release an RX reorder "
- "frame due to timeout on earlier "
- "frames\n",
- wiphy_name(hw->wiphy));
-#endif
- ieee80211_release_reorder_frame(hw, tid_agg_rx,
- j, frames);
+ ieee80211_sta_reorder_release(hw, tid_agg_rx, frames);
- /*
- * Increment the head seq# also for the skipped slots.
- */
- tid_agg_rx->head_seq_num =
- (tid_agg_rx->head_seq_num + skipped) & SEQ_MASK;
- skipped = 0;
- }
- } else while (tid_agg_rx->reorder_buf[index]) {
- ieee80211_release_reorder_frame(hw, tid_agg_rx, index, frames);
- index = seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn) %
- tid_agg_rx->buf_size;
- }
-
- return true;
+ out:
+ spin_unlock(&tid_agg_rx->reorder_lock);
+ return ret;
}
/*
@@ -873,6 +899,9 @@ ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx)
if (!is_multicast_ether_addr(hdr->addr1) && stakey) {
rx->key = stakey;
+ if ((status->flag & RX_FLAG_DECRYPTED) &&
+ (status->flag & RX_FLAG_IV_STRIPPED))
+ return RX_CONTINUE;
/* Skip decryption if the frame is not protected. */
if (!ieee80211_has_protected(fc))
return RX_CONTINUE;
@@ -935,7 +964,8 @@ ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx)
* pairwise or station-to-station keys, but for WEP we allow
* using a key index as well.
*/
- if (rx->key && rx->key->conf.alg != ALG_WEP &&
+ if (rx->key && rx->key->conf.cipher != WLAN_CIPHER_SUITE_WEP40 &&
+ rx->key->conf.cipher != WLAN_CIPHER_SUITE_WEP104 &&
!is_multicast_ether_addr(hdr->addr1))
rx->key = NULL;
}
@@ -951,8 +981,9 @@ ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx)
return RX_DROP_UNUSABLE;
/* the hdr variable is invalid now! */
- switch (rx->key->conf.alg) {
- case ALG_WEP:
+ switch (rx->key->conf.cipher) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ case WLAN_CIPHER_SUITE_WEP104:
/* Check for weak IVs if possible */
if (rx->sta && ieee80211_is_data(fc) &&
(!(status->flag & RX_FLAG_IV_STRIPPED) ||
@@ -962,13 +993,13 @@ ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx)
result = ieee80211_crypto_wep_decrypt(rx);
break;
- case ALG_TKIP:
+ case WLAN_CIPHER_SUITE_TKIP:
result = ieee80211_crypto_tkip_decrypt(rx);
break;
- case ALG_CCMP:
+ case WLAN_CIPHER_SUITE_CCMP:
result = ieee80211_crypto_ccmp_decrypt(rx);
break;
- case ALG_AES_CMAC:
+ case WLAN_CIPHER_SUITE_AES_CMAC:
result = ieee80211_crypto_aes_cmac_decrypt(rx);
break;
}
@@ -1265,7 +1296,7 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
/* This is the first fragment of a new frame. */
entry = ieee80211_reassemble_add(rx->sdata, frag, seq,
rx->queue, &(rx->skb));
- if (rx->key && rx->key->conf.alg == ALG_CCMP &&
+ if (rx->key && rx->key->conf.cipher == WLAN_CIPHER_SUITE_CCMP &&
ieee80211_has_protected(fc)) {
int queue = ieee80211_is_mgmt(fc) ?
NUM_RX_DATA_QUEUES : rx->queue;
@@ -1294,7 +1325,7 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
int i;
u8 pn[CCMP_PN_LEN], *rpn;
int queue;
- if (!rx->key || rx->key->conf.alg != ALG_CCMP)
+ if (!rx->key || rx->key->conf.cipher != WLAN_CIPHER_SUITE_CCMP)
return RX_DROP_UNUSABLE;
memcpy(pn, entry->last_pn, CCMP_PN_LEN);
for (i = CCMP_PN_LEN - 1; i >= 0; i--) {
@@ -1909,13 +1940,36 @@ static void ieee80211_process_sa_query_req(struct ieee80211_sub_if_data *sdata,
}
static ieee80211_rx_result debug_noinline
+ieee80211_rx_h_mgmt_check(struct ieee80211_rx_data *rx)
+{
+ struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) rx->skb->data;
+
+ /*
+ * From here on, look only at management frames.
+ * Data and control frames are already handled,
+ * and unknown (reserved) frames are useless.
+ */
+ if (rx->skb->len < 24)
+ return RX_DROP_MONITOR;
+
+ if (!ieee80211_is_mgmt(mgmt->frame_control))
+ return RX_DROP_MONITOR;
+
+ if (!(rx->flags & IEEE80211_RX_RA_MATCH))
+ return RX_DROP_MONITOR;
+
+ if (ieee80211_drop_unencrypted_mgmt(rx))
+ return RX_DROP_UNUSABLE;
+
+ return RX_CONTINUE;
+}
+
+static ieee80211_rx_result debug_noinline
ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
{
struct ieee80211_local *local = rx->local;
struct ieee80211_sub_if_data *sdata = rx->sdata;
struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) rx->skb->data;
- struct sk_buff *nskb;
- struct ieee80211_rx_status *status;
int len = rx->skb->len;
if (!ieee80211_is_action(mgmt->frame_control))
@@ -1931,9 +1985,6 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
if (!(rx->flags & IEEE80211_RX_RA_MATCH))
return RX_DROP_UNUSABLE;
- if (ieee80211_drop_unencrypted_mgmt(rx))
- return RX_DROP_UNUSABLE;
-
switch (mgmt->u.action.category) {
case WLAN_CATEGORY_BACK:
/*
@@ -2024,17 +2075,36 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
goto queue;
}
+ return RX_CONTINUE;
+
invalid:
- /*
- * For AP mode, hostapd is responsible for handling any action
- * frames that we didn't handle, including returning unknown
- * ones. For all other modes we will return them to the sender,
- * setting the 0x80 bit in the action category, as required by
- * 802.11-2007 7.3.1.11.
- */
- if (sdata->vif.type == NL80211_IFTYPE_AP ||
- sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
- return RX_DROP_MONITOR;
+ rx->flags |= IEEE80211_MALFORMED_ACTION_FRM;
+ /* will return in the next handlers */
+ return RX_CONTINUE;
+
+ handled:
+ if (rx->sta)
+ rx->sta->rx_packets++;
+ dev_kfree_skb(rx->skb);
+ return RX_QUEUED;
+
+ queue:
+ rx->skb->pkt_type = IEEE80211_SDATA_QUEUE_TYPE_FRAME;
+ skb_queue_tail(&sdata->skb_queue, rx->skb);
+ ieee80211_queue_work(&local->hw, &sdata->work);
+ if (rx->sta)
+ rx->sta->rx_packets++;
+ return RX_QUEUED;
+}
+
+static ieee80211_rx_result debug_noinline
+ieee80211_rx_h_userspace_mgmt(struct ieee80211_rx_data *rx)
+{
+ struct ieee80211_rx_status *status;
+
+ /* skip known-bad action frames and return them in the next handler */
+ if (rx->flags & IEEE80211_MALFORMED_ACTION_FRM)
+ return RX_CONTINUE;
/*
* Getting here means the kernel doesn't know how to handle
@@ -2044,10 +2114,44 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
*/
status = IEEE80211_SKB_RXCB(rx->skb);
- if (cfg80211_rx_action(rx->sdata->dev, status->freq,
- rx->skb->data, rx->skb->len,
- GFP_ATOMIC))
- goto handled;
+ if (cfg80211_rx_mgmt(rx->sdata->dev, status->freq,
+ rx->skb->data, rx->skb->len,
+ GFP_ATOMIC)) {
+ if (rx->sta)
+ rx->sta->rx_packets++;
+ dev_kfree_skb(rx->skb);
+ return RX_QUEUED;
+ }
+
+
+ return RX_CONTINUE;
+}
+
+static ieee80211_rx_result debug_noinline
+ieee80211_rx_h_action_return(struct ieee80211_rx_data *rx)
+{
+ struct ieee80211_local *local = rx->local;
+ struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) rx->skb->data;
+ struct sk_buff *nskb;
+ struct ieee80211_sub_if_data *sdata = rx->sdata;
+
+ if (!ieee80211_is_action(mgmt->frame_control))
+ return RX_CONTINUE;
+
+ /*
+ * For AP mode, hostapd is responsible for handling any action
+ * frames that we didn't handle, including returning unknown
+ * ones. For all other modes we will return them to the sender,
+ * setting the 0x80 bit in the action category, as required by
+ * 802.11-2007 7.3.1.11.
+ * Newer versions of hostapd shall also use the management frame
+ * registration mechanisms, but older ones still use cooked
+ * monitor interfaces so push all frames there.
+ */
+ if (!(rx->flags & IEEE80211_MALFORMED_ACTION_FRM) &&
+ (sdata->vif.type == NL80211_IFTYPE_AP ||
+ sdata->vif.type == NL80211_IFTYPE_AP_VLAN))
+ return RX_DROP_MONITOR;
/* do not return rejected action frames */
if (mgmt->u.action.category & 0x80)
@@ -2066,20 +2170,8 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
ieee80211_tx_skb(rx->sdata, nskb);
}
-
- handled:
- if (rx->sta)
- rx->sta->rx_packets++;
dev_kfree_skb(rx->skb);
return RX_QUEUED;
-
- queue:
- rx->skb->pkt_type = IEEE80211_SDATA_QUEUE_TYPE_FRAME;
- skb_queue_tail(&sdata->skb_queue, rx->skb);
- ieee80211_queue_work(&local->hw, &sdata->work);
- if (rx->sta)
- rx->sta->rx_packets++;
- return RX_QUEUED;
}
static ieee80211_rx_result debug_noinline
@@ -2090,15 +2182,6 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_data *rx)
struct ieee80211_mgmt *mgmt = (void *)rx->skb->data;
__le16 stype;
- if (!(rx->flags & IEEE80211_RX_RA_MATCH))
- return RX_DROP_MONITOR;
-
- if (rx->skb->len < 24)
- return RX_DROP_MONITOR;
-
- if (ieee80211_drop_unencrypted_mgmt(rx))
- return RX_DROP_UNUSABLE;
-
rxs = ieee80211_work_rx_mgmt(rx->sdata, rx->skb);
if (rxs != RX_CONTINUE)
return rxs;
@@ -2267,19 +2350,46 @@ static void ieee80211_rx_cooked_monitor(struct ieee80211_rx_data *rx,
dev_kfree_skb(skb);
}
+static void ieee80211_rx_handlers_result(struct ieee80211_rx_data *rx,
+ ieee80211_rx_result res)
+{
+ switch (res) {
+ case RX_DROP_MONITOR:
+ I802_DEBUG_INC(rx->sdata->local->rx_handlers_drop);
+ if (rx->sta)
+ rx->sta->rx_dropped++;
+ /* fall through */
+ case RX_CONTINUE: {
+ struct ieee80211_rate *rate = NULL;
+ struct ieee80211_supported_band *sband;
+ struct ieee80211_rx_status *status;
+
+ status = IEEE80211_SKB_RXCB((rx->skb));
+
+ sband = rx->local->hw.wiphy->bands[status->band];
+ if (!(status->flag & RX_FLAG_HT))
+ rate = &sband->bitrates[status->rate_idx];
+
+ ieee80211_rx_cooked_monitor(rx, rate);
+ break;
+ }
+ case RX_DROP_UNUSABLE:
+ I802_DEBUG_INC(rx->sdata->local->rx_handlers_drop);
+ if (rx->sta)
+ rx->sta->rx_dropped++;
+ dev_kfree_skb(rx->skb);
+ break;
+ case RX_QUEUED:
+ I802_DEBUG_INC(rx->sdata->local->rx_handlers_queued);
+ break;
+ }
+}
-static void ieee80211_invoke_rx_handlers(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_rx_data *rx,
- struct sk_buff *skb,
- struct ieee80211_rate *rate)
+static void ieee80211_rx_handlers(struct ieee80211_rx_data *rx,
+ struct sk_buff_head *frames)
{
- struct sk_buff_head reorder_release;
ieee80211_rx_result res = RX_DROP_MONITOR;
-
- __skb_queue_head_init(&reorder_release);
-
- rx->skb = skb;
- rx->sdata = sdata;
+ struct sk_buff *skb;
#define CALL_RXH(rxh) \
do { \
@@ -2288,17 +2398,7 @@ static void ieee80211_invoke_rx_handlers(struct ieee80211_sub_if_data *sdata,
goto rxh_next; \
} while (0);
- /*
- * NB: the rxh_next label works even if we jump
- * to it from here because then the list will
- * be empty, which is a trivial check
- */
- CALL_RXH(ieee80211_rx_h_passive_scan)
- CALL_RXH(ieee80211_rx_h_check)
-
- ieee80211_rx_reorder_ampdu(rx, &reorder_release);
-
- while ((skb = __skb_dequeue(&reorder_release))) {
+ while ((skb = __skb_dequeue(frames))) {
/*
* all the other fields are valid across frames
* that belong to an aMPDU since they are on the
@@ -2316,42 +2416,91 @@ static void ieee80211_invoke_rx_handlers(struct ieee80211_sub_if_data *sdata,
CALL_RXH(ieee80211_rx_h_remove_qos_control)
CALL_RXH(ieee80211_rx_h_amsdu)
#ifdef CONFIG_MAC80211_MESH
- if (ieee80211_vif_is_mesh(&sdata->vif))
+ if (ieee80211_vif_is_mesh(&rx->sdata->vif))
CALL_RXH(ieee80211_rx_h_mesh_fwding);
#endif
CALL_RXH(ieee80211_rx_h_data)
/* special treatment -- needs the queue */
- res = ieee80211_rx_h_ctrl(rx, &reorder_release);
+ res = ieee80211_rx_h_ctrl(rx, frames);
if (res != RX_CONTINUE)
goto rxh_next;
+ CALL_RXH(ieee80211_rx_h_mgmt_check)
CALL_RXH(ieee80211_rx_h_action)
+ CALL_RXH(ieee80211_rx_h_userspace_mgmt)
+ CALL_RXH(ieee80211_rx_h_action_return)
CALL_RXH(ieee80211_rx_h_mgmt)
+ rxh_next:
+ ieee80211_rx_handlers_result(rx, res);
+
#undef CALL_RXH
+ }
+}
+
+static void ieee80211_invoke_rx_handlers(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_rx_data *rx,
+ struct sk_buff *skb)
+{
+ struct sk_buff_head reorder_release;
+ ieee80211_rx_result res = RX_DROP_MONITOR;
+
+ __skb_queue_head_init(&reorder_release);
+
+ rx->skb = skb;
+ rx->sdata = sdata;
+
+#define CALL_RXH(rxh) \
+ do { \
+ res = rxh(rx); \
+ if (res != RX_CONTINUE) \
+ goto rxh_next; \
+ } while (0);
+
+ CALL_RXH(ieee80211_rx_h_passive_scan)
+ CALL_RXH(ieee80211_rx_h_check)
+
+ ieee80211_rx_reorder_ampdu(rx, &reorder_release);
+
+ ieee80211_rx_handlers(rx, &reorder_release);
+ return;
rxh_next:
- switch (res) {
- case RX_DROP_MONITOR:
- I802_DEBUG_INC(sdata->local->rx_handlers_drop);
- if (rx->sta)
- rx->sta->rx_dropped++;
- /* fall through */
- case RX_CONTINUE:
- ieee80211_rx_cooked_monitor(rx, rate);
- break;
- case RX_DROP_UNUSABLE:
- I802_DEBUG_INC(sdata->local->rx_handlers_drop);
- if (rx->sta)
- rx->sta->rx_dropped++;
- dev_kfree_skb(rx->skb);
- break;
- case RX_QUEUED:
- I802_DEBUG_INC(sdata->local->rx_handlers_queued);
- break;
- }
- }
+ ieee80211_rx_handlers_result(rx, res);
+
+#undef CALL_RXH
+}
+
+/*
+ * This function makes calls into the RX path. Therefore the
+ * caller must hold the sta_info->lock and everything has to
+ * be under rcu_read_lock protection as well.
+ */
+void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid)
+{
+ struct sk_buff_head frames;
+ struct ieee80211_rx_data rx = { };
+
+ __skb_queue_head_init(&frames);
+
+ /* construct rx struct */
+ rx.sta = sta;
+ rx.sdata = sta->sdata;
+ rx.local = sta->local;
+ rx.queue = tid;
+ rx.flags |= IEEE80211_RX_RA_MATCH;
+
+ if (unlikely(test_bit(SCAN_HW_SCANNING, &sta->local->scanning) ||
+ test_bit(SCAN_OFF_CHANNEL, &sta->local->scanning)))
+ rx.flags |= IEEE80211_RX_IN_SCAN;
+
+ spin_lock(&sta->ampdu_mlme.tid_rx[tid]->reorder_lock);
+ ieee80211_sta_reorder_release(&sta->local->hw,
+ sta->ampdu_mlme.tid_rx[tid], &frames);
+ spin_unlock(&sta->ampdu_mlme.tid_rx[tid]->reorder_lock);
+
+ ieee80211_rx_handlers(&rx, &frames);
}
/* main receive path */
@@ -2433,7 +2582,7 @@ static int prepare_for_handlers(struct ieee80211_sub_if_data *sdata,
break;
case NL80211_IFTYPE_MONITOR:
case NL80211_IFTYPE_UNSPECIFIED:
- case __NL80211_IFTYPE_AFTER_LAST:
+ case NUM_NL80211_IFTYPES:
/* should never get here */
WARN_ON(1);
break;
@@ -2447,8 +2596,7 @@ static int prepare_for_handlers(struct ieee80211_sub_if_data *sdata,
* be called with rcu_read_lock protection.
*/
static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
- struct sk_buff *skb,
- struct ieee80211_rate *rate)
+ struct sk_buff *skb)
{
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
struct ieee80211_local *local = hw_to_local(hw);
@@ -2556,7 +2704,7 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
prev->name);
goto next;
}
- ieee80211_invoke_rx_handlers(prev, &rx, skb_new, rate);
+ ieee80211_invoke_rx_handlers(prev, &rx, skb_new);
next:
prev = sdata;
}
@@ -2572,7 +2720,7 @@ next:
}
}
if (prev)
- ieee80211_invoke_rx_handlers(prev, &rx, skb, rate);
+ ieee80211_invoke_rx_handlers(prev, &rx, skb);
else
dev_kfree_skb(skb);
}
@@ -2615,28 +2763,37 @@ void ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb)
if (WARN_ON(!local->started))
goto drop;
- if (status->flag & RX_FLAG_HT) {
+ if (likely(!(status->flag & RX_FLAG_FAILED_PLCP_CRC))) {
/*
- * rate_idx is MCS index, which can be [0-76] as documented on:
- *
- * http://wireless.kernel.org/en/developers/Documentation/ieee80211/802.11n
- *
- * Anything else would be some sort of driver or hardware error.
- * The driver should catch hardware errors.
+ * Validate the rate, unless a PLCP error means that
+ * we probably can't have a valid rate here anyway.
*/
- if (WARN((status->rate_idx < 0 ||
- status->rate_idx > 76),
- "Rate marked as an HT rate but passed "
- "status->rate_idx is not "
- "an MCS index [0-76]: %d (0x%02x)\n",
- status->rate_idx,
- status->rate_idx))
- goto drop;
- } else {
- if (WARN_ON(status->rate_idx < 0 ||
- status->rate_idx >= sband->n_bitrates))
- goto drop;
- rate = &sband->bitrates[status->rate_idx];
+
+ if (status->flag & RX_FLAG_HT) {
+ /*
+ * rate_idx is MCS index, which can be [0-76]
+ * as documented on:
+ *
+ * http://wireless.kernel.org/en/developers/Documentation/ieee80211/802.11n
+ *
+ * Anything else would be some sort of driver or
+ * hardware error. The driver should catch hardware
+ * errors.
+ */
+ if (WARN((status->rate_idx < 0 ||
+ status->rate_idx > 76),
+ "Rate marked as an HT rate but passed "
+ "status->rate_idx is not "
+ "an MCS index [0-76]: %d (0x%02x)\n",
+ status->rate_idx,
+ status->rate_idx))
+ goto drop;
+ } else {
+ if (WARN_ON(status->rate_idx < 0 ||
+ status->rate_idx >= sband->n_bitrates))
+ goto drop;
+ rate = &sband->bitrates[status->rate_idx];
+ }
}
/*
@@ -2658,7 +2815,7 @@ void ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb)
return;
}
- __ieee80211_rx_handle_packet(hw, skb, rate);
+ __ieee80211_rx_handle_packet(hw, skb);
rcu_read_unlock();
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 872d7b6ef6b3..31f233f7f51a 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -255,7 +255,7 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
trace_api_scan_completed(local, aborted);
- mutex_lock(&local->scan_mtx);
+ mutex_lock(&local->mtx);
/*
* It's ok to abort a not-yet-running scan (that
@@ -267,7 +267,7 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
aborted = true;
if (WARN_ON(!local->scan_req)) {
- mutex_unlock(&local->scan_mtx);
+ mutex_unlock(&local->mtx);
return;
}
@@ -275,7 +275,7 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
if (was_hw_scan && !aborted && ieee80211_prep_hw_scan(local)) {
ieee80211_queue_delayed_work(&local->hw,
&local->scan_work, 0);
- mutex_unlock(&local->scan_mtx);
+ mutex_unlock(&local->mtx);
return;
}
@@ -291,7 +291,7 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
local->scan_channel = NULL;
/* we only have to protect scan_req and hw/sw scan */
- mutex_unlock(&local->scan_mtx);
+ mutex_unlock(&local->mtx);
ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
if (was_hw_scan)
@@ -304,7 +304,9 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
ieee80211_offchannel_return(local, true);
done:
+ mutex_lock(&local->mtx);
ieee80211_recalc_idle(local);
+ mutex_unlock(&local->mtx);
ieee80211_mlme_notify_scan_completed(local);
ieee80211_ibss_notify_scan_completed(local);
ieee80211_mesh_notify_scan_completed(local);
@@ -639,15 +641,15 @@ void ieee80211_scan_work(struct work_struct *work)
struct ieee80211_sub_if_data *sdata = local->scan_sdata;
unsigned long next_delay = 0;
- mutex_lock(&local->scan_mtx);
+ mutex_lock(&local->mtx);
if (!sdata || !local->scan_req) {
- mutex_unlock(&local->scan_mtx);
+ mutex_unlock(&local->mtx);
return;
}
if (local->hw_scan_req) {
int rc = drv_hw_scan(local, sdata, local->hw_scan_req);
- mutex_unlock(&local->scan_mtx);
+ mutex_unlock(&local->mtx);
if (rc)
ieee80211_scan_completed(&local->hw, true);
return;
@@ -661,14 +663,14 @@ void ieee80211_scan_work(struct work_struct *work)
local->scan_sdata = NULL;
rc = __ieee80211_start_scan(sdata, req);
- mutex_unlock(&local->scan_mtx);
+ mutex_unlock(&local->mtx);
if (rc)
ieee80211_scan_completed(&local->hw, true);
return;
}
- mutex_unlock(&local->scan_mtx);
+ mutex_unlock(&local->mtx);
/*
* Avoid re-scheduling when the sdata is going away.
@@ -711,9 +713,9 @@ int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata,
{
int res;
- mutex_lock(&sdata->local->scan_mtx);
+ mutex_lock(&sdata->local->mtx);
res = __ieee80211_start_scan(sdata, req);
- mutex_unlock(&sdata->local->scan_mtx);
+ mutex_unlock(&sdata->local->mtx);
return res;
}
@@ -726,7 +728,7 @@ int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata,
int ret = -EBUSY;
enum ieee80211_band band;
- mutex_lock(&local->scan_mtx);
+ mutex_lock(&local->mtx);
/* busy scanning */
if (local->scan_req)
@@ -761,7 +763,7 @@ int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata,
ret = __ieee80211_start_scan(sdata, sdata->local->int_scan_req);
unlock:
- mutex_unlock(&local->scan_mtx);
+ mutex_unlock(&local->mtx);
return ret;
}
@@ -775,10 +777,10 @@ void ieee80211_scan_cancel(struct ieee80211_local *local)
* Only call this function when a scan can't be
* queued -- mostly at suspend under RTNL.
*/
- mutex_lock(&local->scan_mtx);
+ mutex_lock(&local->mtx);
abortscan = test_bit(SCAN_SW_SCANNING, &local->scanning) ||
(!local->scanning && local->scan_req);
- mutex_unlock(&local->scan_mtx);
+ mutex_unlock(&local->mtx);
if (abortscan)
ieee80211_scan_completed(&local->hw, true);
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index 54262e72376d..810c5ce98316 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -103,6 +103,7 @@ struct tid_ampdu_tx {
* @reorder_buf: buffer to reorder incoming aggregated MPDUs
* @reorder_time: jiffies when skb was added
* @session_timer: check if peer keeps Tx-ing on the TID (by timeout value)
+ * @reorder_timer: releases expired frames from the reorder buffer.
* @head_seq_num: head sequence number in reordering buffer.
* @stored_mpdu_num: number of MPDUs in reordering buffer
* @ssn: Starting Sequence Number expected to be aggregated.
@@ -110,20 +111,25 @@ struct tid_ampdu_tx {
* @timeout: reset timer value (in TUs).
* @dialog_token: dialog token for aggregation session
* @rcu_head: RCU head used for freeing this struct
+ * @reorder_lock: serializes access to reorder buffer, see below.
*
* This structure is protected by RCU and the per-station
* spinlock. Assignments to the array holding it must hold
- * the spinlock, only the RX path can access it under RCU
- * lock-free. The RX path, since it is single-threaded,
- * can even modify the structure without locking since the
- * only other modifications to it are done when the struct
- * can not yet or no longer be found by the RX path.
+ * the spinlock.
+ *
+ * The @reorder_lock is used to protect the variables and
+ * arrays such as @reorder_buf, @reorder_time, @head_seq_num,
+ * @stored_mpdu_num and @reorder_time from being corrupted by
+ * concurrent access of the RX path and the expired frame
+ * release timer.
*/
struct tid_ampdu_rx {
struct rcu_head rcu_head;
+ spinlock_t reorder_lock;
struct sk_buff **reorder_buf;
unsigned long *reorder_time;
struct timer_list session_timer;
+ struct timer_list reorder_timer;
u16 head_seq_num;
u16 stored_mpdu_num;
u16 ssn;
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index 10caec5ea8fa..67a35841bef0 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -296,7 +296,7 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
}
if (info->flags & IEEE80211_TX_INTFL_NL80211_FRAME_TX)
- cfg80211_action_tx_status(
+ cfg80211_mgmt_tx_status(
skb->dev, (unsigned long) skb, skb->data, skb->len,
!!(info->flags & IEEE80211_TX_STAT_ACK), GFP_ATOMIC);
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index c54db966926b..bc4fefc91663 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -543,15 +543,16 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx)
tx->key->tx_rx_count++;
/* TODO: add threshold stuff again */
- switch (tx->key->conf.alg) {
- case ALG_WEP:
+ switch (tx->key->conf.cipher) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ case WLAN_CIPHER_SUITE_WEP104:
if (ieee80211_is_auth(hdr->frame_control))
break;
- case ALG_TKIP:
+ case WLAN_CIPHER_SUITE_TKIP:
if (!ieee80211_is_data_present(hdr->frame_control))
tx->key = NULL;
break;
- case ALG_CCMP:
+ case WLAN_CIPHER_SUITE_CCMP:
if (!ieee80211_is_data_present(hdr->frame_control) &&
!ieee80211_use_mfp(hdr->frame_control, tx->sta,
tx->skb))
@@ -561,7 +562,7 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx)
IEEE80211_KEY_FLAG_SW_MGMT) &&
ieee80211_is_mgmt(hdr->frame_control);
break;
- case ALG_AES_CMAC:
+ case WLAN_CIPHER_SUITE_AES_CMAC:
if (!ieee80211_is_mgmt(hdr->frame_control))
tx->key = NULL;
break;
@@ -949,14 +950,15 @@ ieee80211_tx_h_encrypt(struct ieee80211_tx_data *tx)
if (!tx->key)
return TX_CONTINUE;
- switch (tx->key->conf.alg) {
- case ALG_WEP:
+ switch (tx->key->conf.cipher) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ case WLAN_CIPHER_SUITE_WEP104:
return ieee80211_crypto_wep_encrypt(tx);
- case ALG_TKIP:
+ case WLAN_CIPHER_SUITE_TKIP:
return ieee80211_crypto_tkip_encrypt(tx);
- case ALG_CCMP:
+ case WLAN_CIPHER_SUITE_CCMP:
return ieee80211_crypto_ccmp_encrypt(tx);
- case ALG_AES_CMAC:
+ case WLAN_CIPHER_SUITE_AES_CMAC:
return ieee80211_crypto_aes_cmac_encrypt(tx);
}
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 748387d45bc0..cd2b485fed4f 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -471,7 +471,7 @@ void ieee80211_iterate_active_interfaces(
list_for_each_entry(sdata, &local->interfaces, list) {
switch (sdata->vif.type) {
- case __NL80211_IFTYPE_AFTER_LAST:
+ case NUM_NL80211_IFTYPES:
case NL80211_IFTYPE_UNSPECIFIED:
case NL80211_IFTYPE_MONITOR:
case NL80211_IFTYPE_AP_VLAN:
@@ -505,7 +505,7 @@ void ieee80211_iterate_active_interfaces_atomic(
list_for_each_entry_rcu(sdata, &local->interfaces, list) {
switch (sdata->vif.type) {
- case __NL80211_IFTYPE_AFTER_LAST:
+ case NUM_NL80211_IFTYPES:
case NL80211_IFTYPE_UNSPECIFIED:
case NL80211_IFTYPE_MONITOR:
case NL80211_IFTYPE_AP_VLAN:
@@ -1189,7 +1189,7 @@ int ieee80211_reconfig(struct ieee80211_local *local)
/* ignore virtual */
break;
case NL80211_IFTYPE_UNSPECIFIED:
- case __NL80211_IFTYPE_AFTER_LAST:
+ case NUM_NL80211_IFTYPES:
WARN_ON(1);
break;
}
diff --git a/net/mac80211/wep.c b/net/mac80211/wep.c
index 9ebc8d8a1f5b..f27484c22b9f 100644
--- a/net/mac80211/wep.c
+++ b/net/mac80211/wep.c
@@ -240,7 +240,7 @@ static int ieee80211_wep_decrypt(struct ieee80211_local *local,
keyidx = skb->data[hdrlen + 3] >> 6;
- if (!key || keyidx != key->conf.keyidx || key->conf.alg != ALG_WEP)
+ if (!key || keyidx != key->conf.keyidx)
return -1;
klen = 3 + key->conf.keylen;
diff --git a/net/mac80211/work.c b/net/mac80211/work.c
index 81d4ad64184a..ae344d1ba056 100644
--- a/net/mac80211/work.c
+++ b/net/mac80211/work.c
@@ -43,7 +43,7 @@ enum work_action {
/* utils */
static inline void ASSERT_WORK_MTX(struct ieee80211_local *local)
{
- WARN_ON(!mutex_is_locked(&local->work_mtx));
+ lockdep_assert_held(&local->mtx);
}
/*
@@ -757,7 +757,7 @@ static void ieee80211_work_rx_queued_mgmt(struct ieee80211_local *local,
mgmt = (struct ieee80211_mgmt *) skb->data;
fc = le16_to_cpu(mgmt->frame_control);
- mutex_lock(&local->work_mtx);
+ mutex_lock(&local->mtx);
list_for_each_entry(wk, &local->work_list, list) {
const u8 *bssid = NULL;
@@ -833,7 +833,7 @@ static void ieee80211_work_rx_queued_mgmt(struct ieee80211_local *local,
WARN(1, "unexpected: %d", rma);
}
- mutex_unlock(&local->work_mtx);
+ mutex_unlock(&local->mtx);
if (rma != WORK_ACT_DONE)
goto out;
@@ -845,9 +845,9 @@ static void ieee80211_work_rx_queued_mgmt(struct ieee80211_local *local,
case WORK_DONE_REQUEUE:
synchronize_rcu();
wk->started = false; /* restart */
- mutex_lock(&local->work_mtx);
+ mutex_lock(&local->mtx);
list_add_tail(&wk->list, &local->work_list);
- mutex_unlock(&local->work_mtx);
+ mutex_unlock(&local->mtx);
}
out:
@@ -888,9 +888,9 @@ static void ieee80211_work_work(struct work_struct *work)
while ((skb = skb_dequeue(&local->work_skb_queue)))
ieee80211_work_rx_queued_mgmt(local, skb);
- ieee80211_recalc_idle(local);
+ mutex_lock(&local->mtx);
- mutex_lock(&local->work_mtx);
+ ieee80211_recalc_idle(local);
list_for_each_entry_safe(wk, tmp, &local->work_list, list) {
bool started = wk->started;
@@ -995,20 +995,16 @@ static void ieee80211_work_work(struct work_struct *work)
run_again(local, jiffies + HZ/2);
}
- mutex_lock(&local->scan_mtx);
-
if (list_empty(&local->work_list) && local->scan_req &&
!local->scanning)
ieee80211_queue_delayed_work(&local->hw,
&local->scan_work,
round_jiffies_relative(0));
- mutex_unlock(&local->scan_mtx);
-
- mutex_unlock(&local->work_mtx);
-
ieee80211_recalc_idle(local);
+ mutex_unlock(&local->mtx);
+
list_for_each_entry_safe(wk, tmp, &free_work, list) {
wk->done(wk, NULL);
list_del(&wk->list);
@@ -1035,16 +1031,15 @@ void ieee80211_add_work(struct ieee80211_work *wk)
wk->started = false;
local = wk->sdata->local;
- mutex_lock(&local->work_mtx);
+ mutex_lock(&local->mtx);
list_add_tail(&wk->list, &local->work_list);
- mutex_unlock(&local->work_mtx);
+ mutex_unlock(&local->mtx);
ieee80211_queue_work(&local->hw, &local->work_work);
}
void ieee80211_work_init(struct ieee80211_local *local)
{
- mutex_init(&local->work_mtx);
INIT_LIST_HEAD(&local->work_list);
setup_timer(&local->work_timer, ieee80211_work_timer,
(unsigned long)local);
@@ -1057,7 +1052,7 @@ void ieee80211_work_purge(struct ieee80211_sub_if_data *sdata)
struct ieee80211_local *local = sdata->local;
struct ieee80211_work *wk;
- mutex_lock(&local->work_mtx);
+ mutex_lock(&local->mtx);
list_for_each_entry(wk, &local->work_list, list) {
if (wk->sdata != sdata)
continue;
@@ -1065,19 +1060,19 @@ void ieee80211_work_purge(struct ieee80211_sub_if_data *sdata)
wk->started = true;
wk->timeout = jiffies;
}
- mutex_unlock(&local->work_mtx);
+ mutex_unlock(&local->mtx);
/* run cleanups etc. */
ieee80211_work_work(&local->work_work);
- mutex_lock(&local->work_mtx);
+ mutex_lock(&local->mtx);
list_for_each_entry(wk, &local->work_list, list) {
if (wk->sdata != sdata)
continue;
WARN_ON(1);
break;
}
- mutex_unlock(&local->work_mtx);
+ mutex_unlock(&local->mtx);
}
ieee80211_rx_result ieee80211_work_rx_mgmt(struct ieee80211_sub_if_data *sdata,
@@ -1163,7 +1158,7 @@ int ieee80211_wk_cancel_remain_on_channel(struct ieee80211_sub_if_data *sdata,
struct ieee80211_work *wk, *tmp;
bool found = false;
- mutex_lock(&local->work_mtx);
+ mutex_lock(&local->mtx);
list_for_each_entry_safe(wk, tmp, &local->work_list, list) {
if ((unsigned long) wk == cookie) {
wk->timeout = jiffies;
@@ -1171,7 +1166,7 @@ int ieee80211_wk_cancel_remain_on_channel(struct ieee80211_sub_if_data *sdata,
break;
}
}
- mutex_unlock(&local->work_mtx);
+ mutex_unlock(&local->mtx);
if (!found)
return -ENOENT;
diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c
index 8d59d27d887e..43882b36da55 100644
--- a/net/mac80211/wpa.c
+++ b/net/mac80211/wpa.c
@@ -36,8 +36,8 @@ ieee80211_tx_h_michael_mic_add(struct ieee80211_tx_data *tx)
int tail;
hdr = (struct ieee80211_hdr *)skb->data;
- if (!tx->key || tx->key->conf.alg != ALG_TKIP || skb->len < 24 ||
- !ieee80211_is_data_present(hdr->frame_control))
+ if (!tx->key || tx->key->conf.cipher != WLAN_CIPHER_SUITE_TKIP ||
+ skb->len < 24 || !ieee80211_is_data_present(hdr->frame_control))
return TX_CONTINUE;
hdrlen = ieee80211_hdrlen(hdr->frame_control);
@@ -94,7 +94,7 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_rx_data *rx)
if (status->flag & RX_FLAG_MMIC_STRIPPED)
return RX_CONTINUE;
- if (!rx->key || rx->key->conf.alg != ALG_TKIP ||
+ if (!rx->key || rx->key->conf.cipher != WLAN_CIPHER_SUITE_TKIP ||
!ieee80211_has_protected(hdr->frame_control) ||
!ieee80211_is_data_present(hdr->frame_control))
return RX_CONTINUE;
@@ -221,19 +221,13 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_rx_data *rx)
if (!rx->sta || skb->len - hdrlen < 12)
return RX_DROP_UNUSABLE;
- if (status->flag & RX_FLAG_DECRYPTED) {
- if (status->flag & RX_FLAG_IV_STRIPPED) {
- /*
- * Hardware took care of all processing, including
- * replay protection, and stripped the ICV/IV so
- * we cannot do any checks here.
- */
- return RX_CONTINUE;
- }
-
- /* let TKIP code verify IV, but skip decryption */
+ /*
+ * Let TKIP code verify IV, but skip decryption.
+ * In the case where hardware checks the IV as well,
+ * we don't even get here, see ieee80211_rx_h_decrypt()
+ */
+ if (status->flag & RX_FLAG_DECRYPTED)
hwaccel = 1;
- }
res = ieee80211_tkip_decrypt_data(rx->local->wep_rx_tfm,
key, skb->data + hdrlen,
@@ -447,10 +441,6 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_rx_data *rx)
if (!rx->sta || data_len < 0)
return RX_DROP_UNUSABLE;
- if ((status->flag & RX_FLAG_DECRYPTED) &&
- (status->flag & RX_FLAG_IV_STRIPPED))
- return RX_CONTINUE;
-
ccmp_hdr2pn(pn, skb->data + hdrlen);
queue = ieee80211_is_mgmt(hdr->frame_control) ?
@@ -564,10 +554,6 @@ ieee80211_crypto_aes_cmac_decrypt(struct ieee80211_rx_data *rx)
if (!ieee80211_is_mgmt(hdr->frame_control))
return RX_CONTINUE;
- if ((status->flag & RX_FLAG_DECRYPTED) &&
- (status->flag & RX_FLAG_IV_STRIPPED))
- return RX_CONTINUE;
-
if (skb->len < 24 + sizeof(*mmie))
return RX_DROP_UNUSABLE;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-30 00:14:38 +0000