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-rw-r--r--net/mac80211/aes_ccm.c37
-rw-r--r--net/mac80211/aes_ccm.h2
-rw-r--r--net/mac80211/aes_cmac.c10
-rw-r--r--net/mac80211/aes_cmac.h2
-rw-r--r--net/mac80211/agg-rx.c21
-rw-r--r--net/mac80211/cfg.c62
-rw-r--r--net/mac80211/debugfs_key.c13
-rw-r--r--net/mac80211/driver-ops.h28
-rw-r--r--net/mac80211/driver-trace.h101
-rw-r--r--net/mac80211/ht.c6
-rw-r--r--net/mac80211/ieee80211_i.h36
-rw-r--r--net/mac80211/iface.c7
-rw-r--r--net/mac80211/key.c171
-rw-r--r--net/mac80211/key.h32
-rw-r--r--net/mac80211/mesh_pathtbl.c4
-rw-r--r--net/mac80211/mlme.c111
-rw-r--r--net/mac80211/pm.c51
-rw-r--r--net/mac80211/rc80211_minstrel.c9
-rw-r--r--net/mac80211/rc80211_minstrel.h12
-rw-r--r--net/mac80211/rc80211_minstrel_ht.c7
-rw-r--r--net/mac80211/rx.c38
-rw-r--r--net/mac80211/scan.c45
-rw-r--r--net/mac80211/sta_info.h6
-rw-r--r--net/mac80211/tkip.c108
-rw-r--r--net/mac80211/tkip.h8
-rw-r--r--net/mac80211/tx.c17
-rw-r--r--net/mac80211/util.c90
-rw-r--r--net/mac80211/wme.c3
-rw-r--r--net/mac80211/wme.h5
-rw-r--r--net/mac80211/work.c2
-rw-r--r--net/mac80211/wpa.c94
31 files changed, 869 insertions, 269 deletions
diff --git a/net/mac80211/aes_ccm.c b/net/mac80211/aes_ccm.c
index b9b595c0811..0785e95c992 100644
--- a/net/mac80211/aes_ccm.c
+++ b/net/mac80211/aes_ccm.c
@@ -11,6 +11,7 @@
#include <linux/types.h>
#include <linux/crypto.h>
#include <linux/err.h>
+#include <crypto/aes.h>
#include <net/mac80211.h>
#include "key.h"
@@ -21,21 +22,21 @@ static void aes_ccm_prepare(struct crypto_cipher *tfm, u8 *scratch, u8 *a)
int i;
u8 *b_0, *aad, *b, *s_0;
- b_0 = scratch + 3 * AES_BLOCK_LEN;
- aad = scratch + 4 * AES_BLOCK_LEN;
+ b_0 = scratch + 3 * AES_BLOCK_SIZE;
+ aad = scratch + 4 * AES_BLOCK_SIZE;
b = scratch;
- s_0 = scratch + AES_BLOCK_LEN;
+ s_0 = scratch + AES_BLOCK_SIZE;
crypto_cipher_encrypt_one(tfm, b, b_0);
/* Extra Authenticate-only data (always two AES blocks) */
- for (i = 0; i < AES_BLOCK_LEN; i++)
+ for (i = 0; i < AES_BLOCK_SIZE; i++)
aad[i] ^= b[i];
crypto_cipher_encrypt_one(tfm, b, aad);
- aad += AES_BLOCK_LEN;
+ aad += AES_BLOCK_SIZE;
- for (i = 0; i < AES_BLOCK_LEN; i++)
+ for (i = 0; i < AES_BLOCK_SIZE; i++)
aad[i] ^= b[i];
crypto_cipher_encrypt_one(tfm, a, aad);
@@ -57,12 +58,12 @@ void ieee80211_aes_ccm_encrypt(struct crypto_cipher *tfm, u8 *scratch,
u8 *pos, *cpos, *b, *s_0, *e, *b_0;
b = scratch;
- s_0 = scratch + AES_BLOCK_LEN;
- e = scratch + 2 * AES_BLOCK_LEN;
- b_0 = scratch + 3 * AES_BLOCK_LEN;
+ s_0 = scratch + AES_BLOCK_SIZE;
+ e = scratch + 2 * AES_BLOCK_SIZE;
+ b_0 = scratch + 3 * AES_BLOCK_SIZE;
- num_blocks = DIV_ROUND_UP(data_len, AES_BLOCK_LEN);
- last_len = data_len % AES_BLOCK_LEN;
+ num_blocks = DIV_ROUND_UP(data_len, AES_BLOCK_SIZE);
+ last_len = data_len % AES_BLOCK_SIZE;
aes_ccm_prepare(tfm, scratch, b);
/* Process payload blocks */
@@ -70,7 +71,7 @@ void ieee80211_aes_ccm_encrypt(struct crypto_cipher *tfm, u8 *scratch,
cpos = cdata;
for (j = 1; j <= num_blocks; j++) {
int blen = (j == num_blocks && last_len) ?
- last_len : AES_BLOCK_LEN;
+ last_len : AES_BLOCK_SIZE;
/* Authentication followed by encryption */
for (i = 0; i < blen; i++)
@@ -96,12 +97,12 @@ int ieee80211_aes_ccm_decrypt(struct crypto_cipher *tfm, u8 *scratch,
u8 *pos, *cpos, *b, *s_0, *a, *b_0;
b = scratch;
- s_0 = scratch + AES_BLOCK_LEN;
- a = scratch + 2 * AES_BLOCK_LEN;
- b_0 = scratch + 3 * AES_BLOCK_LEN;
+ s_0 = scratch + AES_BLOCK_SIZE;
+ a = scratch + 2 * AES_BLOCK_SIZE;
+ b_0 = scratch + 3 * AES_BLOCK_SIZE;
- num_blocks = DIV_ROUND_UP(data_len, AES_BLOCK_LEN);
- last_len = data_len % AES_BLOCK_LEN;
+ num_blocks = DIV_ROUND_UP(data_len, AES_BLOCK_SIZE);
+ last_len = data_len % AES_BLOCK_SIZE;
aes_ccm_prepare(tfm, scratch, a);
/* Process payload blocks */
@@ -109,7 +110,7 @@ int ieee80211_aes_ccm_decrypt(struct crypto_cipher *tfm, u8 *scratch,
pos = data;
for (j = 1; j <= num_blocks; j++) {
int blen = (j == num_blocks && last_len) ?
- last_len : AES_BLOCK_LEN;
+ last_len : AES_BLOCK_SIZE;
/* Decryption followed by authentication */
b_0[14] = (j >> 8) & 0xff;
diff --git a/net/mac80211/aes_ccm.h b/net/mac80211/aes_ccm.h
index 6e7820ef344..5b7d744e237 100644
--- a/net/mac80211/aes_ccm.h
+++ b/net/mac80211/aes_ccm.h
@@ -12,8 +12,6 @@
#include <linux/crypto.h>
-#define AES_BLOCK_LEN 16
-
struct crypto_cipher *ieee80211_aes_key_setup_encrypt(const u8 key[]);
void ieee80211_aes_ccm_encrypt(struct crypto_cipher *tfm, u8 *scratch,
u8 *data, size_t data_len,
diff --git a/net/mac80211/aes_cmac.c b/net/mac80211/aes_cmac.c
index d502b2684a6..8dfd70d8fcf 100644
--- a/net/mac80211/aes_cmac.c
+++ b/net/mac80211/aes_cmac.c
@@ -11,12 +11,12 @@
#include <linux/types.h>
#include <linux/crypto.h>
#include <linux/err.h>
+#include <crypto/aes.h>
#include <net/mac80211.h>
#include "key.h"
#include "aes_cmac.h"
-#define AES_BLOCK_SIZE 16
#define AES_CMAC_KEY_LEN 16
#define CMAC_TLEN 8 /* CMAC TLen = 64 bits (8 octets) */
#define AAD_LEN 20
@@ -35,10 +35,10 @@ static void gf_mulx(u8 *pad)
}
-static void aes_128_cmac_vector(struct crypto_cipher *tfm, u8 *scratch,
- size_t num_elem,
+static void aes_128_cmac_vector(struct crypto_cipher *tfm, size_t num_elem,
const u8 *addr[], const size_t *len, u8 *mac)
{
+ u8 scratch[2 * AES_BLOCK_SIZE];
u8 *cbc, *pad;
const u8 *pos, *end;
size_t i, e, left, total_len;
@@ -95,7 +95,7 @@ static void aes_128_cmac_vector(struct crypto_cipher *tfm, u8 *scratch,
}
-void ieee80211_aes_cmac(struct crypto_cipher *tfm, u8 *scratch, const u8 *aad,
+void ieee80211_aes_cmac(struct crypto_cipher *tfm, const u8 *aad,
const u8 *data, size_t data_len, u8 *mic)
{
const u8 *addr[3];
@@ -110,7 +110,7 @@ void ieee80211_aes_cmac(struct crypto_cipher *tfm, u8 *scratch, const u8 *aad,
addr[2] = zero;
len[2] = CMAC_TLEN;
- aes_128_cmac_vector(tfm, scratch, 3, addr, len, mic);
+ aes_128_cmac_vector(tfm, 3, addr, len, mic);
}
diff --git a/net/mac80211/aes_cmac.h b/net/mac80211/aes_cmac.h
index 0eb9a483150..20785a64725 100644
--- a/net/mac80211/aes_cmac.h
+++ b/net/mac80211/aes_cmac.h
@@ -12,7 +12,7 @@
#include <linux/crypto.h>
struct crypto_cipher * ieee80211_aes_cmac_key_setup(const u8 key[]);
-void ieee80211_aes_cmac(struct crypto_cipher *tfm, u8 *scratch, const u8 *aad,
+void ieee80211_aes_cmac(struct crypto_cipher *tfm, const u8 *aad,
const u8 *data, size_t data_len, u8 *mic);
void ieee80211_aes_cmac_key_free(struct crypto_cipher *tfm);
diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index 9c0d76cdca9..ebadb9ac9a7 100644
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -100,6 +100,21 @@ void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
mutex_unlock(&sta->ampdu_mlme.mtx);
}
+void ieee80211_stop_rx_ba_session(struct ieee80211_vif *vif, u16 ba_rx_bitmap,
+ const u8 *addr)
+{
+ struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+ struct sta_info *sta = sta_info_get(sdata, addr);
+ int i;
+
+ for (i = 0; i < STA_TID_NUM; i++)
+ if (ba_rx_bitmap & BIT(i))
+ set_bit(i, sta->ampdu_mlme.tid_rx_stop_requested);
+
+ ieee80211_queue_work(&sta->local->hw, &sta->ampdu_mlme.work);
+}
+EXPORT_SYMBOL(ieee80211_stop_rx_ba_session);
+
/*
* After accepting the AddBA Request we activated a timer,
* resetting it after each frame that arrives from the originator.
@@ -247,7 +262,11 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
"%pM on tid %u\n",
mgmt->sa, tid);
#endif /* CONFIG_MAC80211_HT_DEBUG */
- goto end;
+
+ /* delete existing Rx BA session on the same tid */
+ ___ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_RECIPIENT,
+ WLAN_STATUS_UNSPECIFIED_QOS,
+ false);
}
/* prepare A-MPDU MLME for Rx aggregation */
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index be70c70d3f5..bfc36e90476 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -209,6 +209,7 @@ static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
u8 seq[6] = {0};
struct key_params params;
struct ieee80211_key *key = NULL;
+ u64 pn64;
u32 iv32;
u16 iv16;
int err = -ENOENT;
@@ -256,22 +257,24 @@ static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
params.seq_len = 6;
break;
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];
- seq[3] = key->u.ccmp.tx_pn[2];
- seq[4] = key->u.ccmp.tx_pn[1];
- seq[5] = key->u.ccmp.tx_pn[0];
+ pn64 = atomic64_read(&key->u.ccmp.tx_pn);
+ seq[0] = pn64;
+ seq[1] = pn64 >> 8;
+ seq[2] = pn64 >> 16;
+ seq[3] = pn64 >> 24;
+ seq[4] = pn64 >> 32;
+ seq[5] = pn64 >> 40;
params.seq = seq;
params.seq_len = 6;
break;
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];
- seq[3] = key->u.aes_cmac.tx_pn[2];
- seq[4] = key->u.aes_cmac.tx_pn[1];
- seq[5] = key->u.aes_cmac.tx_pn[0];
+ pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
+ seq[0] = pn64;
+ seq[1] = pn64 >> 8;
+ seq[2] = pn64 >> 16;
+ seq[3] = pn64 >> 24;
+ seq[4] = pn64 >> 32;
+ seq[5] = pn64 >> 40;
params.seq = seq;
params.seq_len = 6;
break;
@@ -674,8 +677,11 @@ static void sta_apply_parameters(struct ieee80211_local *local,
if (mask & BIT(NL80211_STA_FLAG_WME)) {
sta->flags &= ~WLAN_STA_WME;
- if (set & BIT(NL80211_STA_FLAG_WME))
+ sta->sta.wme = false;
+ if (set & BIT(NL80211_STA_FLAG_WME)) {
sta->flags |= WLAN_STA_WME;
+ sta->sta.wme = true;
+ }
}
if (mask & BIT(NL80211_STA_FLAG_MFP)) {
@@ -1554,6 +1560,19 @@ static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
return local->ops->testmode_cmd(&local->hw, data, len);
}
+
+static int ieee80211_testmode_dump(struct wiphy *wiphy,
+ struct sk_buff *skb,
+ struct netlink_callback *cb,
+ void *data, int len)
+{
+ struct ieee80211_local *local = wiphy_priv(wiphy);
+
+ if (!local->ops->testmode_dump)
+ return -EOPNOTSUPP;
+
+ return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
+}
#endif
int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
@@ -2085,6 +2104,21 @@ static void ieee80211_get_ringparam(struct wiphy *wiphy,
drv_get_ringparam(local, tx, tx_max, rx, rx_max);
}
+static int ieee80211_set_rekey_data(struct wiphy *wiphy,
+ struct net_device *dev,
+ struct cfg80211_gtk_rekey_data *data)
+{
+ struct ieee80211_local *local = wiphy_priv(wiphy);
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ if (!local->ops->set_rekey_data)
+ return -EOPNOTSUPP;
+
+ drv_set_rekey_data(local, sdata, data);
+
+ return 0;
+}
+
struct cfg80211_ops mac80211_config_ops = {
.add_virtual_intf = ieee80211_add_iface,
.del_virtual_intf = ieee80211_del_iface,
@@ -2134,6 +2168,7 @@ struct cfg80211_ops mac80211_config_ops = {
.set_wds_peer = ieee80211_set_wds_peer,
.rfkill_poll = ieee80211_rfkill_poll,
CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
+ CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
.set_power_mgmt = ieee80211_set_power_mgmt,
.set_bitrate_mask = ieee80211_set_bitrate_mask,
.remain_on_channel = ieee80211_remain_on_channel,
@@ -2146,4 +2181,5 @@ struct cfg80211_ops mac80211_config_ops = {
.get_antenna = ieee80211_get_antenna,
.set_ringparam = ieee80211_set_ringparam,
.get_ringparam = ieee80211_get_ringparam,
+ .set_rekey_data = ieee80211_set_rekey_data,
};
diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c
index 33c58b85c91..38e6101190d 100644
--- a/net/mac80211/debugfs_key.c
+++ b/net/mac80211/debugfs_key.c
@@ -78,7 +78,7 @@ KEY_OPS(algorithm);
static ssize_t key_tx_spec_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos)
{
- const u8 *tpn;
+ u64 pn;
char buf[20];
int len;
struct ieee80211_key *key = file->private_data;
@@ -94,15 +94,16 @@ static ssize_t key_tx_spec_read(struct file *file, char __user *userbuf,
key->u.tkip.tx.iv16);
break;
case WLAN_CIPHER_SUITE_CCMP:
- tpn = key->u.ccmp.tx_pn;
+ pn = atomic64_read(&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]);
+ (u8)(pn >> 40), (u8)(pn >> 32), (u8)(pn >> 24),
+ (u8)(pn >> 16), (u8)(pn >> 8), (u8)pn);
break;
case WLAN_CIPHER_SUITE_AES_CMAC:
- tpn = key->u.aes_cmac.tx_pn;
+ pn = atomic64_read(&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],
- tpn[5]);
+ (u8)(pn >> 40), (u8)(pn >> 32), (u8)(pn >> 24),
+ (u8)(pn >> 16), (u8)(pn >> 8), (u8)pn);
break;
default:
return 0;
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index eebf7a67daf..b2d6bba4405 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -218,6 +218,16 @@ static inline int drv_hw_scan(struct ieee80211_local *local,
return ret;
}
+static inline void drv_cancel_hw_scan(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata)
+{
+ might_sleep();
+
+ trace_drv_cancel_hw_scan(local, sdata);
+ local->ops->cancel_hw_scan(&local->hw, &sdata->vif);
+ trace_drv_return_void(local);
+}
+
static inline int
drv_sched_scan_start(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
@@ -637,4 +647,22 @@ static inline int drv_set_bitrate_mask(struct ieee80211_local *local,
return ret;
}
+static inline void drv_set_rekey_data(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_gtk_rekey_data *data)
+{
+ trace_drv_set_rekey_data(local, sdata, data);
+ if (local->ops->set_rekey_data)
+ local->ops->set_rekey_data(&local->hw, &sdata->vif, data);
+ trace_drv_return_void(local);
+}
+
+static inline void drv_rssi_callback(struct ieee80211_local *local,
+ const enum ieee80211_rssi_event event)
+{
+ trace_drv_rssi_callback(local, event);
+ if (local->ops->rssi_callback)
+ local->ops->rssi_callback(&local->hw, event);
+ trace_drv_return_void(local);
+}
#endif /* __MAC80211_DRIVER_OPS */
diff --git a/net/mac80211/driver-trace.h b/net/mac80211/driver-trace.h
index ed9edcbd9aa..4470f6e8b84 100644
--- a/net/mac80211/driver-trace.h
+++ b/net/mac80211/driver-trace.h
@@ -460,6 +460,12 @@ DEFINE_EVENT(local_sdata_evt, drv_hw_scan,
TP_ARGS(local, sdata)
);
+DEFINE_EVENT(local_sdata_evt, drv_cancel_hw_scan,
+ TP_PROTO(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata),
+ TP_ARGS(local, sdata)
+);
+
DEFINE_EVENT(local_sdata_evt, drv_sched_scan_start,
TP_PROTO(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata),
@@ -1018,6 +1024,56 @@ TRACE_EVENT(drv_set_bitrate_mask,
)
);
+TRACE_EVENT(drv_set_rekey_data,
+ TP_PROTO(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_gtk_rekey_data *data),
+
+ TP_ARGS(local, sdata, data),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ VIF_ENTRY
+ __array(u8, kek, NL80211_KEK_LEN)
+ __array(u8, kck, NL80211_KCK_LEN)
+ __array(u8, replay_ctr, NL80211_REPLAY_CTR_LEN)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ VIF_ASSIGN;
+ memcpy(__entry->kek, data->kek, NL80211_KEK_LEN);
+ memcpy(__entry->kck, data->kck, NL80211_KCK_LEN);
+ memcpy(__entry->replay_ctr, data->replay_ctr,
+ NL80211_REPLAY_CTR_LEN);
+ ),
+
+ TP_printk(LOCAL_PR_FMT VIF_PR_FMT,
+ LOCAL_PR_ARG, VIF_PR_ARG)
+);
+
+TRACE_EVENT(drv_rssi_callback,
+ TP_PROTO(struct ieee80211_local *local,
+ enum ieee80211_rssi_event rssi_event),
+
+ TP_ARGS(local, rssi_event),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ __field(u32, rssi_event)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ __entry->rssi_event = rssi_event;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT " rssi_event:%d",
+ LOCAL_PR_ARG, __entry->rssi_event
+ )
+);
+
/*
* Tracing for API calls that drivers call.
*/
@@ -1287,6 +1343,51 @@ DEFINE_EVENT(local_only_evt, api_remain_on_channel_expired,
TP_ARGS(local)
);
+TRACE_EVENT(api_gtk_rekey_notify,
+ TP_PROTO(struct ieee80211_sub_if_data *sdata,
+ const u8 *bssid, const u8 *replay_ctr),
+
+ TP_ARGS(sdata, bssid, replay_ctr),
+
+ TP_STRUCT__entry(
+ VIF_ENTRY
+ __array(u8, bssid, ETH_ALEN)
+ __array(u8, replay_ctr, NL80211_REPLAY_CTR_LEN)
+ ),
+
+ TP_fast_assign(
+ VIF_ASSIGN;
+ memcpy(__entry->bssid, bssid, ETH_ALEN);
+ memcpy(__entry->replay_ctr, replay_ctr, NL80211_REPLAY_CTR_LEN);
+ ),
+
+ TP_printk(VIF_PR_FMT, VIF_PR_ARG)
+);
+
+TRACE_EVENT(api_enable_rssi_reports,
+ TP_PROTO(struct ieee80211_sub_if_data *sdata,
+ int rssi_min_thold, int rssi_max_thold),
+
+ TP_ARGS(sdata, rssi_min_thold, rssi_max_thold),
+
+ TP_STRUCT__entry(
+ VIF_ENTRY
+ __field(int, rssi_min_thold)
+ __field(int, rssi_max_thold)
+ ),
+
+ TP_fast_assign(
+ VIF_ASSIGN;
+ __entry->rssi_min_thold = rssi_min_thold;
+ __entry->rssi_max_thold = rssi_max_thold;
+ ),
+
+ TP_printk(
+ VIF_PR_FMT " rssi_min_thold =%d, rssi_max_thold = %d",
+ VIF_PR_ARG, __entry->rssi_min_thold, __entry->rssi_max_thold
+ )
+);
+
/*
* Tracing for internal functions
* (which may also be called in response to driver calls)
diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c
index 591add22bcc..7cfc286946c 100644
--- a/net/mac80211/ht.c
+++ b/net/mac80211/ht.c
@@ -140,6 +140,12 @@ void ieee80211_ba_session_work(struct work_struct *work)
sta, tid, WLAN_BACK_RECIPIENT,
WLAN_REASON_QSTA_TIMEOUT, true);
+ if (test_and_clear_bit(tid,
+ sta->ampdu_mlme.tid_rx_stop_requested))
+ ___ieee80211_stop_rx_ba_session(
+ sta, tid, WLAN_BACK_RECIPIENT,
+ WLAN_REASON_UNSPECIFIED, true);
+
tid_tx = sta->ampdu_mlme.tid_start_tx[tid];
if (tid_tx) {
/*
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 090b0ec1e05..dda0d1ab34f 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -202,7 +202,22 @@ struct ieee80211_rx_data {
struct ieee80211_key *key;
unsigned int flags;
- int queue;
+
+ /*
+ * Index into sequence numbers array, 0..16
+ * since the last (16) is used for non-QoS,
+ * will be 16 on non-QoS frames.
+ */
+ int seqno_idx;
+
+ /*
+ * Index into the security IV/PN arrays, 0..16
+ * since the last (16) is used for CCMP-encrypted
+ * management frames, will be set to 16 on mgmt
+ * frames and 0 on non-QoS frames.
+ */
+ int security_idx;
+
u32 tkip_iv32;
u16 tkip_iv16;
};
@@ -417,6 +432,14 @@ struct ieee80211_if_managed {
* generated for the current association.
*/
int last_cqm_event_signal;
+
+ /*
+ * State variables for keeping track of RSSI of the AP currently
+ * connected to and informing driver when RSSI has gone
+ * below/above a certain threshold.
+ */
+ int rssi_min_thold, rssi_max_thold;
+ int last_ave_beacon_signal;
};
struct ieee80211_if_ibss {
@@ -515,12 +538,14 @@ struct ieee80211_if_mesh {
* @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between
* associated stations and deliver multicast frames both
* back to wireless media and to the local net stack.
+ * @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume.
*/
enum ieee80211_sub_if_data_flags {
IEEE80211_SDATA_ALLMULTI = BIT(0),
IEEE80211_SDATA_PROMISC = BIT(1),
IEEE80211_SDATA_OPERATING_GMODE = BIT(2),
IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3),
+ IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4),
};
/**
@@ -544,6 +569,9 @@ struct ieee80211_sub_if_data {
/* keys */
struct list_head key_list;
+ /* count for keys needing tailroom space allocation */
+ int crypto_tx_tailroom_needed_cnt;
+
struct net_device *dev;
struct ieee80211_local *local;
@@ -1350,10 +1378,12 @@ int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
u8 *dst,
const u8 *ssid, size_t ssid_len,
- const u8 *ie, size_t ie_len);
+ const u8 *ie, size_t ie_len,
+ bool directed);
void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
const u8 *ssid, size_t ssid_len,
- const u8 *ie, size_t ie_len);
+ const u8 *ie, size_t ie_len,
+ bool directed);
void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata,
const size_t supp_rates_len,
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index dee30aea9ab..cd5fb40d3fd 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -363,8 +363,7 @@ static int ieee80211_open(struct net_device *dev)
int err;
/* fail early if user set an invalid address */
- if (!is_zero_ether_addr(dev->dev_addr) &&
- !is_valid_ether_addr(dev->dev_addr))
+ if (!is_valid_ether_addr(dev->dev_addr))
return -EADDRNOTAVAIL;
err = ieee80211_check_concurrent_iface(sdata, sdata->vif.type);
@@ -1130,8 +1129,8 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
ASSERT_RTNL();
- ndev = alloc_netdev_mq(sizeof(*sdata) + local->hw.vif_data_size,
- name, ieee80211_if_setup, local->hw.queues);
+ ndev = alloc_netdev_mqs(sizeof(*sdata) + local->hw.vif_data_size,
+ name, ieee80211_if_setup, local->hw.queues, 1);
if (!ndev)
return -ENOMEM;
dev_net_set(ndev, wiphy_net(local->hw.wiphy));
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index f825e2f0a57..739bee13e81 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -61,6 +61,36 @@ static struct ieee80211_sta *get_sta_for_key(struct ieee80211_key *key)
return NULL;
}
+static void increment_tailroom_need_count(struct ieee80211_sub_if_data *sdata)
+{
+ /*
+ * When this count is zero, SKB resizing for allocating tailroom
+ * for IV or MMIC is skipped. But, this check has created two race
+ * cases in xmit path while transiting from zero count to one:
+ *
+ * 1. SKB resize was skipped because no key was added but just before
+ * the xmit key is added and SW encryption kicks off.
+ *
+ * 2. SKB resize was skipped because all the keys were hw planted but
+ * just before xmit one of the key is deleted and SW encryption kicks
+ * off.
+ *
+ * In both the above case SW encryption will find not enough space for
+ * tailroom and exits with WARN_ON. (See WARN_ONs at wpa.c)
+ *
+ * Solution has been explained at
+ * http://mid.gmane.org/1308590980.4322.19.camel@jlt3.sipsolutions.net
+ */
+
+ if (!sdata->crypto_tx_tailroom_needed_cnt++) {
+ /*
+ * Flush all XMIT packets currently using HW encryption or no
+ * encryption at all if the count transition is from 0 -> 1.
+ */
+ synchronize_net();
+ }
+}
+
static int ieee80211_key_enable_hw_accel(struct ieee80211_key *key)
{
struct ieee80211_sub_if_data *sdata;
@@ -101,6 +131,11 @@ static int ieee80211_key_enable_hw_accel(struct ieee80211_key *key)
if (!ret) {
key->flags |= KEY_FLAG_UPLOADED_TO_HARDWARE;
+
+ if (!((key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_MMIC) ||
+ (key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)))
+ sdata->crypto_tx_tailroom_needed_cnt--;
+
return 0;
}
@@ -142,6 +177,10 @@ static void ieee80211_key_disable_hw_accel(struct ieee80211_key *key)
sta = get_sta_for_key(key);
sdata = key->sdata;
+ if (!((key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_MMIC) ||
+ (key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)))
+ increment_tailroom_need_count(sdata);
+
if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
sdata = container_of(sdata->bss,
struct ieee80211_sub_if_data,
@@ -330,6 +369,7 @@ struct ieee80211_key *ieee80211_key_alloc(u32 cipher, int idx, size_t key_len,
get_unaligned_le16(seq);
}
}
+ spin_lock_init(&key->u.tkip.txlock);
break;
case WLAN_CIPHER_SUITE_CCMP:
key->conf.iv_len = CCMP_HDR_LEN;
@@ -394,8 +434,10 @@ static void __ieee80211_key_destroy(struct ieee80211_key *key)
ieee80211_aes_key_free(key->u.ccmp.tfm);
if (key->conf.cipher == WLAN_CIPHER_SUITE_AES_CMAC)
ieee80211_aes_cmac_key_free(key->u.aes_cmac.tfm);
- if (key->local)
+ if (key->local) {
ieee80211_debugfs_key_remove(key);
+ key->sdata->crypto_tx_tailroom_needed_cnt--;
+ }
kfree(key);
}
@@ -452,6 +494,8 @@ int ieee80211_key_link(struct ieee80211_key *key,
else
old_key = key_mtx_dereference(sdata->local, sdata->keys[idx]);
+ increment_tailroom_need_count(sdata);
+
__ieee80211_key_replace(sdata, sta, pairwise, old_key, key);
__ieee80211_key_destroy(old_key);
@@ -498,12 +542,49 @@ void ieee80211_enable_keys(struct ieee80211_sub_if_data *sdata)
mutex_lock(&sdata->local->key_mtx);
- list_for_each_entry(key, &sdata->key_list, list)
+ sdata->crypto_tx_tailroom_needed_cnt = 0;
+
+ list_for_each_entry(key, &sdata->key_list, list) {
+ increment_tailroom_need_count(sdata);
ieee80211_key_enable_hw_accel(key);
+ }
mutex_unlock(&sdata->local->key_mtx);
}
+void ieee80211_iter_keys(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ void (*iter)(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ struct ieee80211_key_conf *key,
+ void *data),
+ void *iter_data)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+ struct ieee80211_key *key;
+ struct ieee80211_sub_if_data *sdata;
+
+ ASSERT_RTNL();
+
+ mutex_lock(&local->key_mtx);
+ if (vif) {
+ sdata = vif_to_sdata(vif);
+ list_for_each_entry(key, &sdata->key_list, list)
+ iter(hw, &sdata->vif,
+ key->sta ? &key->sta->sta : NULL,
+ &key->conf, iter_data);
+ } else {
+ list_for_each_entry(sdata, &local->interfaces, list)
+ list_for_each_entry(key, &sdata->key_list, list)
+ iter(hw, &sdata->vif,
+ key->sta ? &key->sta->sta : NULL,
+ &key->conf, iter_data);
+ }
+ mutex_unlock(&local->key_mtx);
+}
+EXPORT_SYMBOL(ieee80211_iter_keys);
+
void ieee80211_disable_keys(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_key *key;
@@ -533,3 +614,89 @@ void ieee80211_free_keys(struct ieee80211_sub_if_data *sdata)
mutex_unlock(&sdata->local->key_mtx);
}
+
+
+void ieee80211_gtk_rekey_notify(struct ieee80211_vif *vif, const u8 *bssid,
+ const u8 *replay_ctr, gfp_t gfp)
+{
+ struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+
+ trace_api_gtk_rekey_notify(sdata, bssid, replay_ctr);
+
+ cfg80211_gtk_rekey_notify(sdata->dev, bssid, replay_ctr, gfp);
+}
+EXPORT_SYMBOL_GPL(ieee80211_gtk_rekey_notify);
+
+void ieee80211_get_key_tx_seq(struct ieee80211_key_conf *keyconf,
+ struct ieee80211_key_seq *seq)
+{
+ struct ieee80211_key *key;
+ u64 pn64;
+
+ if (WARN_ON(!(keyconf->flags & IEEE80211_KEY_FLAG_GENERATE_IV)))
+ return;
+
+ key = container_of(keyconf, struct ieee80211_key, conf);
+
+ switch (key->conf.cipher) {
+ case WLAN_CIPHER_SUITE_TKIP:
+ seq->tkip.iv32 = key->u.tkip.tx.iv32;
+ seq->tkip.iv16 = key->u.tkip.tx.iv16;
+ break;
+ case WLAN_CIPHER_SUITE_CCMP:
+ pn64 = atomic64_read(&key->u.ccmp.tx_pn);
+ seq->ccmp.pn[5] = pn64;
+ seq->ccmp.pn[4] = pn64 >> 8;
+ seq->ccmp.pn[3] = pn64 >> 16;
+ seq->ccmp.pn[2] = pn64 >> 24;
+ seq->ccmp.pn[1] = pn64 >> 32;
+ seq->ccmp.pn[0] = pn64 >> 40;
+ break;
+ case WLAN_CIPHER_SUITE_AES_CMAC:
+ pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
+ seq->ccmp.pn[5] = pn64;
+ seq->ccmp.pn[4] = pn64 >> 8;
+ seq->ccmp.pn[3] = pn64 >> 16;
+ seq->ccmp.pn[2] = pn64 >> 24;
+ seq->ccmp.pn[1] = pn64 >> 32;
+ seq->ccmp.pn[0] = pn64 >> 40;
+ break;
+ default:
+ WARN_ON(1);
+ }
+}
+EXPORT_SYMBOL(ieee80211_get_key_tx_seq);
+
+void ieee80211_get_key_rx_seq(struct ieee80211_key_conf *keyconf,
+ int tid, struct ieee80211_key_seq *seq)
+{
+ struct ieee80211_key *key;
+ const u8 *pn;
+
+ key = container_of(keyconf, struct ieee80211_key, conf);
+
+ switch (key->conf.cipher) {
+ case WLAN_CIPHER_SUITE_TKIP:
+ if (WARN_ON(tid < 0 || tid >= NUM_RX_DATA_QUEUES))
+ return;
+ seq->tkip.iv32 = key->u.tkip.rx[tid].iv32;
+ seq->tkip.iv16 = key->u.tkip.rx[tid].iv16;
+ break;
+ case WLAN_CIPHER_SUITE_CCMP:
+ if (WARN_ON(tid < -1 || tid >= NUM_RX_DATA_QUEUES))
+ return;
+ if (tid < 0)
+ pn = key->u.ccmp.rx_pn[NUM_RX_DATA_QUEUES];
+ else
+ pn = key->u.ccmp.rx_pn[tid];
+ memcpy(seq->ccmp.pn, pn, CCMP_PN_LEN);
+ break;
+ case WLAN_CIPHER_SUITE_AES_CMAC:
+ if (WARN_ON(tid != 0))
+ return;
+ pn = key->u.aes_cmac.rx_pn;
+ memcpy(seq->aes_cmac.pn, pn, CMAC_PN_LEN);
+ break;
+ }
+}
+EXPORT_SYMBOL(ieee80211_get_key_rx_seq);
diff --git a/net/mac80211/key.h b/net/mac80211/key.h
index d801d535133..7d4e31f037d 100644
--- a/net/mac80211/key.h
+++ b/net/mac80211/key.h
@@ -28,8 +28,9 @@
#define CCMP_PN_LEN 6
#define TKIP_IV_LEN 8
#define TKIP_ICV_LEN 4
+#define CMAC_PN_LEN 6
-#define NUM_RX_DATA_QUEUES 17
+#define NUM_RX_DATA_QUEUES 16
struct ieee80211_local;
struct ieee80211_sub_if_data;
@@ -40,9 +41,11 @@ struct sta_info;
*
* @KEY_FLAG_UPLOADED_TO_HARDWARE: Indicates that this key is present
* in the hardware for TX crypto hardware acceleration.
+ * @KEY_FLAG_TAINTED: Key is tainted and packets should be dropped.
*/
enum ieee80211_internal_key_flags {
KEY_FLAG_UPLOADED_TO_HARDWARE = BIT(0),
+ KEY_FLAG_TAINTED = BIT(1),
};
enum ieee80211_internal_tkip_state {
@@ -52,9 +55,10 @@ enum ieee80211_internal_tkip_state {
};
struct tkip_ctx {
- u32 iv32;
- u16 iv16;
- u16 p1k[5];
+ u32 iv32; /* current iv32 */
+ u16 iv16; /* current iv16 */
+ u16 p1k[5]; /* p1k cache */
+ u32 p1k_iv32; /* iv32 for which p1k computed */
enum ieee80211_internal_tkip_state state;
};
@@ -71,6 +75,9 @@ struct ieee80211_key {
union {
struct {
+ /* protects tx context */
+ spinlock_t txlock;
+
/* last used TSC */
struct tkip_ctx tx;
@@ -78,32 +85,23 @@ struct ieee80211_key {
struct tkip_ctx rx[NUM_RX_DATA_QUEUES];
} tkip;
struct {
- u8 tx_pn[6];
+ atomic64_t tx_pn;
/*
* Last received packet number. The first
* NUM_RX_DATA_QUEUES counters are used with Data
* frames and the last counter is used with Robust
* Management frames.
*/
- u8 rx_pn[NUM_RX_DATA_QUEUES + 1][6];
+ u8 rx_pn[NUM_RX_DATA_QUEUES + 1][CCMP_PN_LEN];
struct crypto_cipher *tfm;
u32 replays; /* dot11RSNAStatsCCMPReplays */
- /* scratch buffers for virt_to_page() (crypto API) */
-#ifndef AES_BLOCK_LEN
-#define AES_BLOCK_LEN 16
-#endif
- u8 tx_crypto_buf[6 * AES_BLOCK_LEN];
- u8 rx_crypto_buf[6 * AES_BLOCK_LEN];
} ccmp;
struct {
- u8 tx_pn[6];
- u8 rx_pn[6];
+ atomic64_t tx_pn;
+ u8 rx_pn[CMAC_PN_LEN];
struct crypto_cipher *tfm;
u32 replays; /* dot11RSNAStatsCMACReplays */
u32 icverrors; /* dot11RSNAStatsCMACICVErrors */
- /* scratch buffers for virt_to_page() (crypto API) */
- u8 tx_crypto_buf[2 * AES_BLOCK_LEN];
- u8 rx_crypto_buf[2 * AES_BLOCK_LEN];
} aes_cmac;
} u;
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index 0d2faacc3e8..068ee651825 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -647,12 +647,12 @@ int mesh_path_del(u8 *addr, struct ieee80211_sub_if_data *sdata)
mpath = node->mpath;
if (mpath->sdata == sdata &&
memcmp(addr, mpath->dst, ETH_ALEN) == 0) {
- spin_lock_bh(&mpath->state_lock);
+ spin_lock(&mpath->state_lock);
mpath->flags |= MESH_PATH_RESOLVING;
hlist_del_rcu(&node->list);
call_rcu(&node->rcu, mesh_path_node_reclaim);
atomic_dec(&tbl->entries);
- spin_unlock_bh(&mpath->state_lock);
+ spin_unlock(&mpath->state_lock);
goto enddel;
}
}
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index d595265d6c2..c99237cd4b9 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -749,7 +749,7 @@ void ieee80211_dynamic_ps_enable_work(struct work_struct *work)
container_of(work, struct ieee80211_local,
dynamic_ps_enable_work);
struct ieee80211_sub_if_data *sdata = local->ps_sdata;
- struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ struct ieee80211_if_managed *ifmgd;
unsigned long flags;
int q;
@@ -757,26 +757,39 @@ void ieee80211_dynamic_ps_enable_work(struct work_struct *work)
if (!sdata)
return;
+ ifmgd = &sdata->u.mgd;
+
if (local->hw.conf.flags & IEEE80211_CONF_PS)
return;
- /*
- * transmission can be stopped by others which leads to
- * dynamic_ps_timer expiry. Postpond the ps timer if it
- * is not the actual idle state.
- */
- spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
- for (q = 0; q < local->hw.queues; q++) {
- if (local->queue_stop_reasons[q]) {
- spin_unlock_irqrestore(&local->queue_stop_reason_lock,
- flags);
+ if (!local->disable_dynamic_ps &&
+ local->hw.conf.dynamic_ps_timeout > 0) {
+ /* don't enter PS if TX frames are pending */
+ if (drv_tx_frames_pending(local)) {
mod_timer(&local->dynamic_ps_timer, jiffies +
msecs_to_jiffies(
local->hw.conf.dynamic_ps_timeout));
return;
}
+
+ /*
+ * transmission can be stopped by others which leads to
+ * dynamic_ps_timer expiry. Postpone the ps timer if it
+ * is not the actual idle state.
+ */
+ spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
+ for (q = 0; q < local->hw.queues; q++) {
+ if (local->queue_stop_reasons[q]) {
+ spin_unlock_irqrestore(&local->queue_stop_reason_lock,
+ flags);
+ mod_timer(&local->dynamic_ps_timer, jiffies +
+ msecs_to_jiffies(
+ local->hw.conf.dynamic_ps_timeout));
+ return;
+ }
+ }
+ spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
}
- spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
if ((local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) &&
(!(ifmgd->flags & IEEE80211_STA_NULLFUNC_ACKED))) {
@@ -801,7 +814,8 @@ void ieee80211_dynamic_ps_enable_work(struct work_struct *work)
ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
}
- netif_tx_wake_all_queues(sdata->dev);
+ if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK)
+ netif_tx_wake_all_queues(sdata->dev);
}
void ieee80211_dynamic_ps_timer(unsigned long data)
@@ -1204,7 +1218,8 @@ static void ieee80211_mgd_probe_ap_send(struct ieee80211_sub_if_data *sdata)
ieee80211_send_nullfunc(sdata->local, sdata, 0);
} else {
ssid = ieee80211_bss_get_ie(ifmgd->associated, WLAN_EID_SSID);
- ieee80211_send_probe_req(sdata, dst, ssid + 2, ssid[1], NULL, 0);
+ ieee80211_send_probe_req(sdata, dst, ssid + 2, ssid[1], NULL, 0,
+ true);
}
ifmgd->probe_send_count++;
@@ -1289,7 +1304,7 @@ struct sk_buff *ieee80211_ap_probereq_get(struct ieee80211_hw *hw,
ssid = ieee80211_bss_get_ie(ifmgd->associated, WLAN_EID_SSID);
skb = ieee80211_build_probe_req(sdata, ifmgd->associated->bssid,
- ssid + 2, ssid[1], NULL, 0);
+ ssid + 2, ssid[1], NULL, 0, true);
return skb;
}
@@ -1748,6 +1763,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
ifmgd->ave_beacon_signal = rx_status->signal * 16;
ifmgd->last_cqm_event_signal = 0;
ifmgd->count_beacon_signal = 1;
+ ifmgd->last_ave_beacon_signal = 0;
} else {
ifmgd->ave_beacon_signal =
(IEEE80211_SIGNAL_AVE_WEIGHT * rx_status->signal * 16 +
@@ -1755,6 +1771,28 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
ifmgd->ave_beacon_signal) / 16;
ifmgd->count_beacon_signal++;
}
+
+ if (ifmgd->rssi_min_thold != ifmgd->rssi_max_thold &&
+ ifmgd->count_beacon_signal >= IEEE80211_SIGNAL_AVE_MIN_COUNT) {
+ int sig = ifmgd->ave_beacon_signal;
+ int last_sig = ifmgd->last_ave_beacon_signal;
+
+ /*
+ * if signal crosses either of the boundaries, invoke callback
+ * with appropriate parameters
+ */
+ if (sig > ifmgd->rssi_max_thold &&
+ (last_sig <= ifmgd->rssi_min_thold || last_sig == 0)) {
+ ifmgd->last_ave_beacon_signal = sig;
+ drv_rssi_callback(local, RSSI_EVENT_HIGH);
+ } else if (sig < ifmgd->rssi_min_thold &&
+ (last_sig >= ifmgd->rssi_max_thold ||
+ last_sig == 0)) {
+ ifmgd->last_ave_beacon_signal = sig;
+ drv_rssi_callback(local, RSSI_EVENT_LOW);
+ }
+ }
+
if (bss_conf->cqm_rssi_thold &&
ifmgd->count_beacon_signal >= IEEE80211_SIGNAL_AVE_MIN_COUNT &&
!(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)) {
@@ -2014,7 +2052,7 @@ static void ieee80211_sta_timer(unsigned long data)
}
static void ieee80211_sta_connection_lost(struct ieee80211_sub_if_data *sdata,
- u8 *bssid)
+ u8 *bssid, u8 reason)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
@@ -2032,8 +2070,7 @@ static void ieee80211_sta_connection_lost(struct ieee80211_sub_if_data *sdata,
* but that's not a problem.
*/
ieee80211_send_deauth_disassoc(sdata, bssid,
- IEEE80211_STYPE_DEAUTH,
- WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY,
+ IEEE80211_STYPE_DEAUTH, reason,
NULL, true);
mutex_lock(&ifmgd->mtx);
}
@@ -2079,7 +2116,8 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
" AP %pM, disconnecting.\n",
sdata->name, bssid);
#endif
- ieee80211_sta_connection_lost(sdata, bssid);
+ ieee80211_sta_connection_lost(sdata, bssid,
+ WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY);
}
} else if (time_is_after_jiffies(ifmgd->probe_timeout))
run_again(ifmgd, ifmgd->probe_timeout);
@@ -2091,7 +2129,8 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
sdata->name,
bssid, probe_wait_ms);
#endif
- ieee80211_sta_connection_lost(sdata, bssid);
+ ieee80211_sta_connection_lost(sdata, bssid,
+ WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY);
} else if (ifmgd->probe_send_count < max_tries) {
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
wiphy_debug(local->hw.wiphy,
@@ -2113,7 +2152,8 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
sdata->name,
bssid, probe_wait_ms);
- ieee80211_sta_connection_lost(sdata, bssid);
+ ieee80211_sta_connection_lost(sdata, bssid,
+ WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY);
}
}
@@ -2200,12 +2240,34 @@ void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ if (!ifmgd->associated)
+ return;
+
+ if (sdata->flags & IEEE80211_SDATA_DISCONNECT_RESUME) {
+ sdata->flags &= ~IEEE80211_SDATA_DISCONNECT_RESUME;
+ mutex_lock(&ifmgd->mtx);
+ if (ifmgd->associated) {
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+ wiphy_debug(sdata->local->hw.wiphy,
+ "%s: driver requested disconnect after resume.\n",
+ sdata->name);
+#endif
+ ieee80211_sta_connection_lost(sdata,
+ ifmgd->associated->bssid,
+ WLAN_REASON_UNSPECIFIED);
+ mutex_unlock(&ifmgd->mtx);
+ return;
+ }
+ mutex_unlock(&ifmgd->mtx);
+ }
+
if (test_and_clear_bit(TMR_RUNNING_TIMER, &ifmgd->timers_running))
add_timer(&ifmgd->timer);
if (test_and_clear_bit(TMR_RUNNING_CHANSW, &ifmgd->timers_running))
add_timer(&ifmgd->chswitch_timer);
ieee80211_sta_reset_beacon_monitor(sdata);
ieee80211_restart_sta_timer(sdata);
+ ieee80211_queue_work(&sdata->local->hw, &sdata->u.mgd.monitor_work);
}
#endif
@@ -2652,3 +2714,10 @@ void ieee80211_cqm_rssi_notify(struct ieee80211_vif *vif,
cfg80211_cqm_rssi_notify(sdata->dev, rssi_event, gfp);
}
EXPORT_SYMBOL(ieee80211_cqm_rssi_notify);
+
+unsigned char ieee80211_get_operstate(struct ieee80211_vif *vif)
+{
+ struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+ return sdata->dev->operstate;
+}
+EXPORT_SYMBOL(ieee80211_get_operstate);
diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c
index 730778a2c90..f87e993e713 100644
--- a/net/mac80211/pm.c
+++ b/net/mac80211/pm.c
@@ -6,6 +6,28 @@
#include "driver-ops.h"
#include "led.h"
+/* return value indicates whether the driver should be further notified */
+static bool ieee80211_quiesce(struct ieee80211_sub_if_data *sdata)
+{
+ switch (sdata->vif.type) {
+ case NL80211_IFTYPE_STATION:
+ ieee80211_sta_quiesce(sdata);
+ return true;
+ case NL80211_IFTYPE_ADHOC:
+ ieee80211_ibss_quiesce(sdata);
+ return true;
+ case NL80211_IFTYPE_MESH_POINT:
+ ieee80211_mesh_quiesce(sdata);
+ return true;
+ case NL80211_IFTYPE_AP_VLAN:
+ case NL80211_IFTYPE_MONITOR:
+ /* don't tell driver about this */
+ return false;
+ default:
+ return true;
+ }
+}
+
int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
{
struct ieee80211_local *local = hw_to_local(hw);
@@ -50,11 +72,19 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
local->wowlan = wowlan && local->open_count;
if (local->wowlan) {
int err = drv_suspend(local, wowlan);
- if (err) {
+ if (err < 0) {
local->quiescing = false;
return err;
+ } else if (err > 0) {
+ WARN_ON(err != 1);
+ local->wowlan = false;
+ } else {
+ list_for_each_entry(sdata, &local->interfaces, list) {
+ cancel_work_sync(&sdata->work);
+ ieee80211_quiesce(sdata);
+ }
+ goto suspend;
}
- goto suspend;
}
/* disable keys */
@@ -82,23 +112,8 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
list_for_each_entry(sdata, &local->interfaces, list) {
cancel_work_sync(&sdata->work);
- switch(sdata->vif.type) {
- case NL80211_IFTYPE_STATION:
- ieee80211_sta_quiesce(sdata);
- break;
- case NL80211_IFTYPE_ADHOC:
- ieee80211_ibss_quiesce(sdata);
- break;
- case NL80211_IFTYPE_MESH_POINT:
- ieee80211_mesh_quiesce(sdata);
- break;
- case NL80211_IFTYPE_AP_VLAN:
- case NL80211_IFTYPE_MONITOR:
- /* don't tell driver about this */
+ if (!ieee80211_quiesce(sdata))
continue;
- default:
- break;
- }
if (!ieee80211_sdata_running(sdata))
continue;
diff --git a/net/mac80211/rc80211_minstrel.c b/net/mac80211/rc80211_minstrel.c
index 8adac67395f..58a89554b78 100644
--- a/net/mac80211/rc80211_minstrel.c
+++ b/net/mac80211/rc80211_minstrel.c
@@ -532,12 +532,21 @@ minstrel_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
mp->hw = hw;
mp->update_interval = 100;
+#ifdef CONFIG_MAC80211_DEBUGFS
+ mp->fixed_rate_idx = (u32) -1;
+ mp->dbg_fixed_rate = debugfs_create_u32("fixed_rate_idx",
+ S_IRUGO | S_IWUGO, debugfsdir, &mp->fixed_rate_idx);
+#endif
+
return mp;
}
static void
minstrel_free(void *priv)
{
+#ifdef CONFIG_MAC80211_DEBUGFS
+ debugfs_remove(((struct minstrel_priv *)priv)->dbg_fixed_rate);
+#endif
kfree(priv);
}
diff --git a/net/mac80211/rc80211_minstrel.h b/net/mac80211/rc80211_minstrel.h
index 0f5a83370aa..5d278eccaef 100644
--- a/net/mac80211/rc80211_minstrel.h
+++ b/net/mac80211/rc80211_minstrel.h
@@ -78,6 +78,18 @@ struct minstrel_priv {
unsigned int update_interval;
unsigned int lookaround_rate;
unsigned int lookaround_rate_mrr;
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+ /*
+ * enable fixed rate processing per RC
+ * - write static index to debugfs:ieee80211/phyX/rc/fixed_rate_idx
+ * - write -1 to enable RC processing again
+ * - setting will be applied on next update
+ */
+ u32 fixed_rate_idx;
+ struct dentry *dbg_fixed_rate;
+#endif
+
};
struct minstrel_debugfs_info {
diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c
index 333b5118be6..66a1eeb279c 100644
--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -609,6 +609,13 @@ minstrel_ht_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta,
info->flags |= mi->tx_flags;
sample_idx = minstrel_get_sample_rate(mp, mi);
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+ /* use fixed index if set */
+ if (mp->fixed_rate_idx != -1)
+ sample_idx = mp->fixed_rate_idx;
+#endif
+
if (sample_idx >= 0) {
sample = true;
minstrel_ht_set_rate(mp, mi, &ar[0], sample_idx,
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 7fa8c6be7bf..fe2c2a71779 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -331,15 +331,18 @@ static void ieee80211_parse_qos(struct ieee80211_rx_data *rx)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);
- int tid;
+ int tid, seqno_idx, security_idx;
/* does the frame have a qos control field? */
if (ieee80211_is_data_qos(hdr->frame_control)) {
u8 *qc = ieee80211_get_qos_ctl(hdr);
/* frame has qos control */
tid = *qc & IEEE80211_QOS_CTL_TID_MASK;
- if (*qc & IEEE80211_QOS_CONTROL_A_MSDU_PRESENT)
+ if (*qc & IEEE80211_QOS_CTL_A_MSDU_PRESENT)
status->rx_flags |= IEEE80211_RX_AMSDU;
+
+ seqno_idx = tid;
+ security_idx = tid;
} else {
/*
* IEEE 802.11-2007, 7.1.3.4.1 ("Sequence Number field"):
@@ -352,10 +355,15 @@ static void ieee80211_parse_qos(struct ieee80211_rx_data *rx)
*
* We also use that counter for non-QoS STAs.
*/
- tid = NUM_RX_DATA_QUEUES - 1;
+ seqno_idx = NUM_RX_DATA_QUEUES;
+ security_idx = 0;
+ if (ieee80211_is_mgmt(hdr->frame_control))
+ security_idx = NUM_RX_DATA_QUEUES;
+ tid = 0;
}
- rx->queue = tid;
+ rx->seqno_idx = seqno_idx;
+ rx->security_idx = security_idx;
/* Set skb->priority to 1d tag if highest order bit of TID is not set.
* For now, set skb->priority to 0 for other cases. */
rx->skb->priority = (tid > 7) ? 0 : tid;
@@ -810,7 +818,7 @@ ieee80211_rx_h_check(struct ieee80211_rx_data *rx)
/* Drop duplicate 802.11 retransmissions (IEEE 802.11 Chap. 9.2.9) */
if (rx->sta && !is_multicast_ether_addr(hdr->addr1)) {
if (unlikely(ieee80211_has_retry(hdr->frame_control) &&
- rx->sta->last_seq_ctrl[rx->queue] ==
+ rx->sta->last_seq_ctrl[rx->seqno_idx] ==
hdr->seq_ctrl)) {
if (status->rx_flags & IEEE80211_RX_RA_MATCH) {
rx->local->dot11FrameDuplicateCount++;
@@ -818,7 +826,7 @@ ieee80211_rx_h_check(struct ieee80211_rx_data *rx)
}
return RX_DROP_UNUSABLE;
} else
- rx->sta->last_seq_ctrl[rx->queue] = hdr->seq_ctrl;
+ rx->sta->last_seq_ctrl[rx->seqno_idx] = hdr->seq_ctrl;
}
if (unlikely(rx->skb->len < 16)) {
@@ -1011,6 +1019,9 @@ ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx)
}
if (rx->key) {
+ if (unlikely(rx->key->flags & KEY_FLAG_TAINTED))
+ return RX_DROP_MONITOR;
+
rx->key->tx_rx_count++;
/* TODO: add threshold stuff again */
} else {
@@ -1374,11 +1385,10 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
if (frag == 0) {
/* This is the first fragment of a new frame. */
entry = ieee80211_reassemble_add(rx->sdata, frag, seq,
- rx->queue, &(rx->skb));
+ rx->seqno_idx, &(rx->skb));
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;
+ int queue = rx->security_idx;
/* Store CCMP PN so that we can verify that the next
* fragment has a sequential PN value. */
entry->ccmp = 1;
@@ -1392,7 +1402,8 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
/* This is a fragment for a frame that should already be pending in
* fragment cache. Add this fragment to the end of the pending entry.
*/
- entry = ieee80211_reassemble_find(rx->sdata, frag, seq, rx->queue, hdr);
+ entry = ieee80211_reassemble_find(rx->sdata, frag, seq,
+ rx->seqno_idx, hdr);
if (!entry) {
I802_DEBUG_INC(rx->local->rx_handlers_drop_defrag);
return RX_DROP_MONITOR;
@@ -1412,8 +1423,7 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
if (pn[i])
break;
}
- queue = ieee80211_is_mgmt(fc) ?
- NUM_RX_DATA_QUEUES : rx->queue;
+ queue = rx->security_idx;
rpn = rx->key->u.ccmp.rx_pn[queue];
if (memcmp(pn, rpn, CCMP_PN_LEN))
return RX_DROP_UNUSABLE;
@@ -2590,7 +2600,9 @@ void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid)
.sta = sta,
.sdata = sta->sdata,
.local = sta->local,
- .queue = tid,
+ /* This is OK -- must be QoS data frame */
+ .security_idx = tid,
+ .seqno_idx = tid,
.flags = 0,
};
struct tid_ampdu_rx *tid_agg_rx;
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 669d2e32efb..08a45ac3d6f 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -228,6 +228,7 @@ ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb)
static bool ieee80211_prep_hw_scan(struct ieee80211_local *local)
{
struct cfg80211_scan_request *req = local->scan_req;
+ struct ieee80211_sub_if_data *sdata = local->scan_sdata;
enum ieee80211_band band;
int i, ielen, n_chans;
@@ -251,8 +252,8 @@ static bool ieee80211_prep_hw_scan(struct ieee80211_local *local)
local->hw_scan_req->n_channels = n_chans;
ielen = ieee80211_build_preq_ies(local, (u8 *)local->hw_scan_req->ie,
- req->ie, req->ie_len, band, (u32) -1,
- 0);
+ req->ie, req->ie_len, band,
+ sdata->rc_rateidx_mask[band], 0);
local->hw_scan_req->ie_len = ielen;
return true;
@@ -658,7 +659,8 @@ static void ieee80211_scan_state_send_probe(struct ieee80211_local *local,
sdata, NULL,
local->scan_req->ssids[i].ssid,
local->scan_req->ssids[i].ssid_len,
- local->scan_req->ie, local->scan_req->ie_len);
+ local->scan_req->ie, local->scan_req->ie_len,
+ false);
/*
* After sending probe requests, wait for probe responses
@@ -821,10 +823,8 @@ int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata,
*/
void ieee80211_scan_cancel(struct ieee80211_local *local)
{
- bool abortscan;
-
/*
- * We are only canceling software scan, or deferred scan that was not
+ * We are canceling software scan, or deferred scan that was not
* yet really started (see __ieee80211_start_scan ).
*
* Regarding hardware scan:
@@ -836,23 +836,30 @@ void ieee80211_scan_cancel(struct ieee80211_local *local)
* - we can not cancel scan_work since driver can schedule it
* by ieee80211_scan_completed(..., true) to finish scan
*
- * Hence low lever driver is responsible for canceling HW scan.
+ * Hence we only call the cancel_hw_scan() callback, but the low-level
+ * driver is still responsible for calling ieee80211_scan_completed()
+ * after the scan was completed/aborted.
*/
mutex_lock(&local->mtx);
- abortscan = local->scan_req && !test_bit(SCAN_HW_SCANNING, &local->scanning);
- if (abortscan) {
- /*
- * The scan is canceled, but stop work from being pending.
- *
- * If the work is currently running, it must be blocked on
- * the mutex, but we'll set scan_sdata = NULL and it'll
- * simply exit once it acquires the mutex.
- */
- cancel_delayed_work(&local->scan_work);
- /* and clean up */
- __ieee80211_scan_completed(&local->hw, true, false);
+ if (!local->scan_req)
+ goto out;
+
+ if (test_bit(SCAN_HW_SCANNING, &local->scanning)) {
+ if (local->ops->cancel_hw_scan)
+ drv_cancel_hw_scan(local, local->scan_sdata);
+ goto out;
}
+
+ /*
+ * If the work is currently running, it must be blocked on
+ * the mutex, but we'll set scan_sdata = NULL and it'll
+ * simply exit once it acquires the mutex.
+ */
+ cancel_delayed_work(&local->scan_work);
+ /* and clean up */
+ __ieee80211_scan_completed(&local->hw, true, false);
+out:
mutex_unlock(&local->mtx);
}
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index c6ae8718bd5..28beb78e601 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -158,6 +158,8 @@ struct tid_ampdu_rx {
* @work: work struct for starting/stopping aggregation
* @tid_rx_timer_expired: bitmap indicating on which TIDs the
* RX timer expired until the work for it runs
+ * @tid_rx_stop_requested: bitmap indicating which BA sessions per TID the
+ * driver requested to close until the work for it runs
* @mtx: mutex to protect all TX data (except non-NULL assignments
* to tid_tx[idx], which are protected by the sta spinlock)
*/
@@ -166,6 +168,7 @@ struct sta_ampdu_mlme {
/* rx */
struct tid_ampdu_rx __rcu *tid_rx[STA_TID_NUM];
unsigned long tid_rx_timer_expired[BITS_TO_LONGS(STA_TID_NUM)];
+ unsigned long tid_rx_stop_requested[BITS_TO_LONGS(STA_TID_NUM)];
/* tx */
struct work_struct work;
struct tid_ampdu_tx __rcu *tid_tx[STA_TID_NUM];
@@ -284,7 +287,8 @@ struct sta_info {
unsigned long rx_dropped;
int last_signal;
struct ewma avg_signal;
- __le16 last_seq_ctrl[NUM_RX_DATA_QUEUES];
+ /* Plus 1 for non-QoS frames */
+ __le16 last_seq_ctrl[NUM_RX_DATA_QUEUES + 1];
/* Updated from TX status path only, no locking requirements */
unsigned long tx_filtered_count;
diff --git a/net/mac80211/tkip.c b/net/mac80211/tkip.c
index 757e4eb2baf..cc79e697cdb 100644
--- a/net/mac80211/tkip.c
+++ b/net/mac80211/tkip.c
@@ -101,6 +101,7 @@ static void tkip_mixing_phase1(const u8 *tk, struct tkip_ctx *ctx,
p1k[4] += tkipS(p1k[3] ^ get_unaligned_le16(tk + 0 + j)) + i;
}
ctx->state = TKIP_STATE_PHASE1_DONE;
+ ctx->p1k_iv32 = tsc_IV32;
}
static void tkip_mixing_phase2(const u8 *tk, struct tkip_ctx *ctx,
@@ -140,60 +141,69 @@ static void tkip_mixing_phase2(const u8 *tk, struct tkip_ctx *ctx,
/* Add TKIP IV and Ext. IV at @pos. @iv0, @iv1, and @iv2 are the first octets
* of the IV. Returns pointer to the octet following IVs (i.e., beginning of
* the packet payload). */
-u8 *ieee80211_tkip_add_iv(u8 *pos, struct ieee80211_key *key, u16 iv16)
+u8 *ieee80211_tkip_add_iv(u8 *pos, struct ieee80211_key *key)
{
- pos = write_tkip_iv(pos, iv16);
+ lockdep_assert_held(&key->u.tkip.txlock);
+
+ pos = write_tkip_iv(pos, key->u.tkip.tx.iv16);
*pos++ = (key->conf.keyidx << 6) | (1 << 5) /* Ext IV */;
put_unaligned_le32(key->u.tkip.tx.iv32, pos);
return pos + 4;
}
-void ieee80211_get_tkip_key(struct ieee80211_key_conf *keyconf,
- struct sk_buff *skb, enum ieee80211_tkip_key_type type,
- u8 *outkey)
+static void ieee80211_compute_tkip_p1k(struct ieee80211_key *key, u32 iv32)
{
- struct ieee80211_key *key = (struct ieee80211_key *)
- container_of(keyconf, struct ieee80211_key, conf);
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
- u8 *data;
- const u8 *tk;
- struct tkip_ctx *ctx;
- u16 iv16;
- u32 iv32;
-
- data = (u8 *)hdr + ieee80211_hdrlen(hdr->frame_control);
- iv16 = data[2] | (data[0] << 8);
- iv32 = get_unaligned_le32(&data[4]);
-
- tk = &key->conf.key[NL80211_TKIP_DATA_OFFSET_ENCR_KEY];
- ctx = &key->u.tkip.tx;
+ struct ieee80211_sub_if_data *sdata = key->sdata;
+ struct tkip_ctx *ctx = &key->u.tkip.tx;
+ const u8 *tk = &key->conf.key[NL80211_TKIP_DATA_OFFSET_ENCR_KEY];
-#ifdef CONFIG_MAC80211_TKIP_DEBUG
- printk(KERN_DEBUG "TKIP encrypt: iv16 = 0x%04x, iv32 = 0x%08x\n",
- iv16, iv32);
-
- if (iv32 != ctx->iv32) {
- printk(KERN_DEBUG "skb: iv32 = 0x%08x key: iv32 = 0x%08x\n",
- iv32, ctx->iv32);
- printk(KERN_DEBUG "Wrap around of iv16 in the middle of a "
- "fragmented packet\n");
- }
-#endif
+ lockdep_assert_held(&key->u.tkip.txlock);
+
+ /*
+ * Update the P1K when the IV32 is different from the value it
+ * had when we last computed it (or when not initialised yet).
+ * This might flip-flop back and forth if packets are processed
+ * out-of-order due to the different ACs, but then we have to
+ * just compute the P1K more often.
+ */
+ if (ctx->p1k_iv32 != iv32 || ctx->state == TKIP_STATE_NOT_INIT)
+ tkip_mixing_phase1(tk, ctx, sdata->vif.addr, iv32);
+}
- /* Update the p1k only when the iv16 in the packet wraps around, this
- * might occur after the wrap around of iv16 in the key in case of
- * fragmented packets. */
- if (iv16 == 0 || ctx->state == TKIP_STATE_NOT_INIT)
- tkip_mixing_phase1(tk, ctx, hdr->addr2, iv32);
+void ieee80211_get_tkip_p1k_iv(struct ieee80211_key_conf *keyconf,
+ u32 iv32, u16 *p1k)
+{
+ struct ieee80211_key *key = (struct ieee80211_key *)
+ container_of(keyconf, struct ieee80211_key, conf);
+ struct tkip_ctx *ctx = &key->u.tkip.tx;
+ unsigned long flags;
- if (type == IEEE80211_TKIP_P1_KEY) {
- memcpy(outkey, ctx->p1k, sizeof(u16) * 5);
- return;
- }
+ spin_lock_irqsave(&key->u.tkip.txlock, flags);
+ ieee80211_compute_tkip_p1k(key, iv32);
+ memcpy(p1k, ctx->p1k, sizeof(ctx->p1k));
+ spin_unlock_irqrestore(&key->u.tkip.txlock, flags);
+}
+EXPORT_SYMBOL(ieee80211_get_tkip_p1k_iv);
- tkip_mixing_phase2(tk, ctx, iv16, outkey);
+void ieee80211_get_tkip_p2k(struct ieee80211_key_conf *keyconf,
+ struct sk_buff *skb, u8 *p2k)
+{
+ struct ieee80211_key *key = (struct ieee80211_key *)
+ container_of(keyconf, struct ieee80211_key, conf);
+ const u8 *tk = &key->conf.key[NL80211_TKIP_DATA_OFFSET_ENCR_KEY];
+ struct tkip_ctx *ctx = &key->u.tkip.tx;
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+ const u8 *data = (u8 *)hdr + ieee80211_hdrlen(hdr->frame_control);
+ u32 iv32 = get_unaligned_le32(&data[4]);
+ u16 iv16 = data[2] | (data[0] << 8);
+ unsigned long flags;
+
+ spin_lock_irqsave(&key->u.tkip.txlock, flags);
+ ieee80211_compute_tkip_p1k(key, iv32);
+ tkip_mixing_phase2(tk, ctx, iv16, p2k);
+ spin_unlock_irqrestore(&key->u.tkip.txlock, flags);
}
-EXPORT_SYMBOL(ieee80211_get_tkip_key);
+EXPORT_SYMBOL(ieee80211_get_tkip_p2k);
/*
* Encrypt packet payload with TKIP using @key. @pos is a pointer to the
@@ -204,19 +214,15 @@ EXPORT_SYMBOL(ieee80211_get_tkip_key);
*/
int ieee80211_tkip_encrypt_data(struct crypto_cipher *tfm,
struct ieee80211_key *key,
- u8 *pos, size_t payload_len, u8 *ta)
+ struct sk_buff *skb,
+ u8 *payload, size_t payload_len)
{
u8 rc4key[16];
- struct tkip_ctx *ctx = &key->u.tkip.tx;
- const u8 *tk = &key->conf.key[NL80211_TKIP_DATA_OFFSET_ENCR_KEY];
-
- /* Calculate per-packet key */
- if (ctx->iv16 == 0 || ctx->state == TKIP_STATE_NOT_INIT)
- tkip_mixing_phase1(tk, ctx, ta, ctx->iv32);
- tkip_mixing_phase2(tk, ctx, ctx->iv16, rc4key);
+ ieee80211_get_tkip_p2k(&key->conf, skb, rc4key);
- return ieee80211_wep_encrypt_data(tfm, rc4key, 16, pos, payload_len);
+ return ieee80211_wep_encrypt_data(tfm, rc4key, 16,
+ payload, payload_len);
}
/* Decrypt packet payload with TKIP using @key. @pos is a pointer to the
diff --git a/net/mac80211/tkip.h b/net/mac80211/tkip.h
index 1cab9c86978..e3ecb659b90 100644
--- a/net/mac80211/tkip.h
+++ b/net/mac80211/tkip.h
@@ -13,11 +13,13 @@
#include <linux/crypto.h>
#include "key.h"
-u8 *ieee80211_tkip_add_iv(u8 *pos, struct ieee80211_key *key, u16 iv16);
+u8 *ieee80211_tkip_add_iv(u8 *pos, struct ieee80211_key *key);
int ieee80211_tkip_encrypt_data(struct crypto_cipher *tfm,
- struct ieee80211_key *key,
- u8 *pos, size_t payload_len, u8 *ta);
+ struct ieee80211_key *key,
+ struct sk_buff *skb,
+ u8 *payload, size_t payload_len);
+
enum {
TKIP_DECRYPT_OK = 0,
TKIP_DECRYPT_NO_EXT_IV = -1,
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 3104c844b54..8cb0d2d0ac6 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -589,6 +589,9 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx)
break;
}
+ if (unlikely(tx->key && tx->key->flags & KEY_FLAG_TAINTED))
+ return TX_DROP;
+
if (!skip_hw && tx->key &&
tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
info->control.hw_key = &tx->key->conf;
@@ -1474,18 +1477,14 @@ static bool ieee80211_tx(struct ieee80211_sub_if_data *sdata,
/* device xmit handlers */
-static int ieee80211_skb_resize(struct ieee80211_local *local,
+static int ieee80211_skb_resize(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb,
int head_need, bool may_encrypt)
{
+ struct ieee80211_local *local = sdata->local;
int tail_need = 0;
- /*
- * This could be optimised, devices that do full hardware
- * crypto (including TKIP MMIC) need no tailroom... But we
- * have no drivers for such devices currently.
- */
- if (may_encrypt) {
+ if (may_encrypt && sdata->crypto_tx_tailroom_needed_cnt) {
tail_need = IEEE80211_ENCRYPT_TAILROOM;
tail_need -= skb_tailroom(skb);
tail_need = max_t(int, tail_need, 0);
@@ -1578,7 +1577,7 @@ static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
headroom -= skb_headroom(skb);
headroom = max_t(int, 0, headroom);
- if (ieee80211_skb_resize(local, skb, headroom, may_encrypt)) {
+ if (ieee80211_skb_resize(sdata, skb, headroom, may_encrypt)) {
dev_kfree_skb(skb);
rcu_read_unlock();
return;
@@ -1945,7 +1944,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
head_need += IEEE80211_ENCRYPT_HEADROOM;
head_need += local->tx_headroom;
head_need = max_t(int, 0, head_need);
- if (ieee80211_skb_resize(local, skb, head_need, true))
+ if (ieee80211_skb_resize(sdata, skb, head_need, true))
goto fail;
}
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index d3fe2d23748..5bfb80cba63 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1018,7 +1018,8 @@ int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
u8 *dst,
const u8 *ssid, size_t ssid_len,
- const u8 *ie, size_t ie_len)
+ const u8 *ie, size_t ie_len,
+ bool directed)
{
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
@@ -1035,8 +1036,16 @@ struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
return NULL;
}
- chan = ieee80211_frequency_to_channel(
- local->hw.conf.channel->center_freq);
+ /*
+ * Do not send DS Channel parameter for directed probe requests
+ * in order to maximize the chance that we get a response. Some
+ * badly-behaved APs don't respond when this parameter is included.
+ */
+ if (directed)
+ chan = 0;
+ else
+ chan = ieee80211_frequency_to_channel(
+ local->hw.conf.channel->center_freq);
buf_len = ieee80211_build_preq_ies(local, buf, ie, ie_len,
local->hw.conf.channel->band,
@@ -1062,11 +1071,13 @@ struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
const u8 *ssid, size_t ssid_len,
- const u8 *ie, size_t ie_len)
+ const u8 *ie, size_t ie_len,
+ bool directed)
{
struct sk_buff *skb;
- skb = ieee80211_build_probe_req(sdata, dst, ssid, ssid_len, ie, ie_len);
+ skb = ieee80211_build_probe_req(sdata, dst, ssid, ssid_len, ie, ie_len,
+ directed);
if (skb)
ieee80211_tx_skb(sdata, skb);
}
@@ -1276,7 +1287,9 @@ int ieee80211_reconfig(struct ieee80211_local *local)
if (ieee80211_sdata_running(sdata))
ieee80211_enable_keys(sdata);
+#ifdef CONFIG_PM
wake_up:
+#endif
ieee80211_wake_queues_by_reason(hw,
IEEE80211_QUEUE_STOP_REASON_SUSPEND);
@@ -1321,6 +1334,33 @@ int ieee80211_reconfig(struct ieee80211_local *local)
return 0;
}
+void ieee80211_resume_disconnect(struct ieee80211_vif *vif)
+{
+ struct ieee80211_sub_if_data *sdata;
+ struct ieee80211_local *local;
+ struct ieee80211_key *key;
+
+ if (WARN_ON(!vif))
+ return;
+
+ sdata = vif_to_sdata(vif);
+ local = sdata->local;
+
+ if (WARN_ON(!local->resuming))
+ return;
+
+ if (WARN_ON(vif->type != NL80211_IFTYPE_STATION))
+ return;
+
+ sdata->flags |= IEEE80211_SDATA_DISCONNECT_RESUME;
+
+ mutex_lock(&local->key_mtx);
+ list_for_each_entry(key, &sdata->key_list, list)
+ key->flags |= KEY_FLAG_TAINTED;
+ mutex_unlock(&local->key_mtx);
+}
+EXPORT_SYMBOL_GPL(ieee80211_resume_disconnect);
+
static int check_mgd_smps(struct ieee80211_if_managed *ifmgd,
enum ieee80211_smps_mode *smps_mode)
{
@@ -1437,3 +1477,43 @@ size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset)
return pos;
}
+
+static void _ieee80211_enable_rssi_reports(struct ieee80211_sub_if_data *sdata,
+ int rssi_min_thold,
+ int rssi_max_thold)
+{
+ trace_api_enable_rssi_reports(sdata, rssi_min_thold, rssi_max_thold);
+
+ if (WARN_ON(sdata->vif.type != NL80211_IFTYPE_STATION))
+ return;
+
+ /*
+ * Scale up threshold values before storing it, as the RSSI averaging
+ * algorithm uses a scaled up value as well. Change this scaling
+ * factor if the RSSI averaging algorithm changes.
+ */
+ sdata->u.mgd.rssi_min_thold = rssi_min_thold*16;
+ sdata->u.mgd.rssi_max_thold = rssi_max_thold*16;
+}
+
+void ieee80211_enable_rssi_reports(struct ieee80211_vif *vif,
+ int rssi_min_thold,
+ int rssi_max_thold)
+{
+ struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+
+ WARN_ON(rssi_min_thold == rssi_max_thold ||
+ rssi_min_thold > rssi_max_thold);
+
+ _ieee80211_enable_rssi_reports(sdata, rssi_min_thold,
+ rssi_max_thold);
+}
+EXPORT_SYMBOL(ieee80211_enable_rssi_reports);
+
+void ieee80211_disable_rssi_reports(struct ieee80211_vif *vif)
+{
+ struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+
+ _ieee80211_enable_rssi_reports(sdata, 0, 0);
+}
+EXPORT_SYMBOL(ieee80211_disable_rssi_reports);
diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c
index 28bc084dbfb..7a49532f14c 100644
--- a/net/mac80211/wme.c
+++ b/net/mac80211/wme.c
@@ -151,8 +151,7 @@ void ieee80211_set_qos_hdr(struct ieee80211_local *local, struct sk_buff *skb)
tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK;
if (unlikely(local->wifi_wme_noack_test))
- ack_policy |= QOS_CONTROL_ACK_POLICY_NOACK <<
- QOS_CONTROL_ACK_POLICY_SHIFT;
+ ack_policy |= IEEE80211_QOS_CTL_ACK_POLICY_NOACK;
/* qos header is 2 bytes, second reserved */
*p++ = ack_policy | tid;
*p = 0;
diff --git a/net/mac80211/wme.h b/net/mac80211/wme.h
index 6053b1c9fee..faead6d0202 100644
--- a/net/mac80211/wme.h
+++ b/net/mac80211/wme.h
@@ -13,11 +13,6 @@
#include <linux/netdevice.h>
#include "ieee80211_i.h"
-#define QOS_CONTROL_ACK_POLICY_NORMAL 0
-#define QOS_CONTROL_ACK_POLICY_NOACK 1
-
-#define QOS_CONTROL_ACK_POLICY_SHIFT 5
-
extern const int ieee802_1d_to_ac[8];
u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata,
diff --git a/net/mac80211/work.c b/net/mac80211/work.c
index d2e7f0e8667..edf8583280c 100644
--- a/net/mac80211/work.c
+++ b/net/mac80211/work.c
@@ -450,7 +450,7 @@ ieee80211_direct_probe(struct ieee80211_work *wk)
* will not answer to direct packet in unassociated state.
*/
ieee80211_send_probe_req(sdata, NULL, wk->probe_auth.ssid,
- wk->probe_auth.ssid_len, NULL, 0);
+ wk->probe_auth.ssid_len, NULL, 0, true);
wk->timeout = jiffies + IEEE80211_AUTH_TIMEOUT;
run_again(local, wk->timeout);
diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c
index 8f6a302d2ac..7bc8702808f 100644
--- a/net/mac80211/wpa.c
+++ b/net/mac80211/wpa.c
@@ -15,6 +15,7 @@
#include <linux/gfp.h>
#include <asm/unaligned.h>
#include <net/mac80211.h>
+#include <crypto/aes.h>
#include "ieee80211_i.h"
#include "michael.h"
@@ -86,11 +87,6 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_rx_data *rx)
struct sk_buff *skb = rx->skb;
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
- int queue = rx->queue;
-
- /* otherwise, TKIP is vulnerable to TID 0 vs. non-QoS replays */
- if (rx->queue == NUM_RX_DATA_QUEUES - 1)
- queue = 0;
/*
* it makes no sense to check for MIC errors on anything other
@@ -153,8 +149,8 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_rx_data *rx)
update_iv:
/* update IV in key information to be able to detect replays */
- rx->key->u.tkip.rx[queue].iv32 = rx->tkip_iv32;
- rx->key->u.tkip.rx[queue].iv16 = rx->tkip_iv16;
+ rx->key->u.tkip.rx[rx->security_idx].iv32 = rx->tkip_iv32;
+ rx->key->u.tkip.rx[rx->security_idx].iv16 = rx->tkip_iv16;
return RX_CONTINUE;
@@ -176,6 +172,7 @@ static int tkip_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb)
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
struct ieee80211_key *key = tx->key;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ unsigned long flags;
unsigned int hdrlen;
int len, tail;
u8 *pos;
@@ -203,11 +200,12 @@ static int tkip_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb)
pos += hdrlen;
/* Increase IV for the frame */
+ spin_lock_irqsave(&key->u.tkip.txlock, flags);
key->u.tkip.tx.iv16++;
if (key->u.tkip.tx.iv16 == 0)
key->u.tkip.tx.iv32++;
-
- pos = ieee80211_tkip_add_iv(pos, key, key->u.tkip.tx.iv16);
+ pos = ieee80211_tkip_add_iv(pos, key);
+ spin_unlock_irqrestore(&key->u.tkip.txlock, flags);
/* hwaccel - with software IV */
if (info->control.hw_key)
@@ -216,9 +214,8 @@ static int tkip_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb)
/* Add room for ICV */
skb_put(skb, TKIP_ICV_LEN);
- hdr = (struct ieee80211_hdr *) skb->data;
return ieee80211_tkip_encrypt_data(tx->local->wep_tx_tfm,
- key, pos, len, hdr->addr2);
+ key, skb, pos, len);
}
@@ -246,11 +243,6 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_rx_data *rx)
struct ieee80211_key *key = rx->key;
struct sk_buff *skb = rx->skb;
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
- int queue = rx->queue;
-
- /* otherwise, TKIP is vulnerable to TID 0 vs. non-QoS replays */
- if (rx->queue == NUM_RX_DATA_QUEUES - 1)
- queue = 0;
hdrlen = ieee80211_hdrlen(hdr->frame_control);
@@ -271,7 +263,7 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_rx_data *rx)
res = ieee80211_tkip_decrypt_data(rx->local->wep_rx_tfm,
key, skb->data + hdrlen,
skb->len - hdrlen, rx->sta->sta.addr,
- hdr->addr1, hwaccel, queue,
+ hdr->addr1, hwaccel, rx->security_idx,
&rx->tkip_iv32,
&rx->tkip_iv16);
if (res != TKIP_DECRYPT_OK)
@@ -299,8 +291,10 @@ static void ccmp_special_blocks(struct sk_buff *skb, u8 *pn, u8 *scratch,
unsigned int hdrlen;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
- b_0 = scratch + 3 * AES_BLOCK_LEN;
- aad = scratch + 4 * AES_BLOCK_LEN;
+ memset(scratch, 0, 6 * AES_BLOCK_SIZE);
+
+ b_0 = scratch + 3 * AES_BLOCK_SIZE;
+ aad = scratch + 4 * AES_BLOCK_SIZE;
/*
* Mask FC: zero subtype b4 b5 b6 (if not mgmt)
@@ -389,8 +383,10 @@ static int ccmp_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb)
struct ieee80211_key *key = tx->key;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
int hdrlen, len, tail;
- u8 *pos, *pn;
- int i;
+ u8 *pos;
+ u8 pn[6];
+ u64 pn64;
+ u8 scratch[6 * AES_BLOCK_SIZE];
if (info->control.hw_key &&
!(info->control.hw_key->flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
@@ -418,14 +414,14 @@ static int ccmp_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb)
hdr = (struct ieee80211_hdr *) pos;
pos += hdrlen;
- /* PN = PN + 1 */
- pn = key->u.ccmp.tx_pn;
+ pn64 = atomic64_inc_return(&key->u.ccmp.tx_pn);
- for (i = CCMP_PN_LEN - 1; i >= 0; i--) {
- pn[i]++;
- if (pn[i])
- break;
- }
+ pn[5] = pn64;
+ pn[4] = pn64 >> 8;
+ pn[3] = pn64 >> 16;
+ pn[2] = pn64 >> 24;
+ pn[1] = pn64 >> 32;
+ pn[0] = pn64 >> 40;
ccmp_pn2hdr(pos, pn, key->conf.keyidx);
@@ -434,8 +430,8 @@ static int ccmp_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb)
return 0;
pos += CCMP_HDR_LEN;
- ccmp_special_blocks(skb, pn, key->u.ccmp.tx_crypto_buf, 0);
- ieee80211_aes_ccm_encrypt(key->u.ccmp.tfm, key->u.ccmp.tx_crypto_buf, pos, len,
+ ccmp_special_blocks(skb, pn, scratch, 0);
+ ieee80211_aes_ccm_encrypt(key->u.ccmp.tfm, scratch, pos, len,
pos, skb_put(skb, CCMP_MIC_LEN));
return 0;
@@ -482,8 +478,7 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_rx_data *rx)
ccmp_hdr2pn(pn, skb->data + hdrlen);
- queue = ieee80211_is_mgmt(hdr->frame_control) ?
- NUM_RX_DATA_QUEUES : rx->queue;
+ queue = rx->security_idx;
if (memcmp(pn, key->u.ccmp.rx_pn[queue], CCMP_PN_LEN) <= 0) {
key->u.ccmp.replays++;
@@ -491,11 +486,12 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_rx_data *rx)
}
if (!(status->flag & RX_FLAG_DECRYPTED)) {
+ u8 scratch[6 * AES_BLOCK_SIZE];
/* hardware didn't decrypt/verify MIC */
- ccmp_special_blocks(skb, pn, key->u.ccmp.rx_crypto_buf, 1);
+ ccmp_special_blocks(skb, pn, scratch, 1);
if (ieee80211_aes_ccm_decrypt(
- key->u.ccmp.tfm, key->u.ccmp.rx_crypto_buf,
+ key->u.ccmp.tfm, scratch,
skb->data + hdrlen + CCMP_HDR_LEN, data_len,
skb->data + skb->len - CCMP_MIC_LEN,
skb->data + hdrlen + CCMP_HDR_LEN))
@@ -526,6 +522,16 @@ static void bip_aad(struct sk_buff *skb, u8 *aad)
}
+static inline void bip_ipn_set64(u8 *d, u64 pn)
+{
+ *d++ = pn;
+ *d++ = pn >> 8;
+ *d++ = pn >> 16;
+ *d++ = pn >> 24;
+ *d++ = pn >> 32;
+ *d = pn >> 40;
+}
+
static inline void bip_ipn_swap(u8 *d, const u8 *s)
{
*d++ = s[5];
@@ -544,8 +550,8 @@ ieee80211_crypto_aes_cmac_encrypt(struct ieee80211_tx_data *tx)
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_key *key = tx->key;
struct ieee80211_mmie *mmie;
- u8 *pn, aad[20];
- int i;
+ u8 aad[20];
+ u64 pn64;
if (info->control.hw_key)
return 0;
@@ -559,22 +565,17 @@ ieee80211_crypto_aes_cmac_encrypt(struct ieee80211_tx_data *tx)
mmie->key_id = cpu_to_le16(key->conf.keyidx);
/* PN = PN + 1 */
- pn = key->u.aes_cmac.tx_pn;
+ pn64 = atomic64_inc_return(&key->u.aes_cmac.tx_pn);
- for (i = sizeof(key->u.aes_cmac.tx_pn) - 1; i >= 0; i--) {
- pn[i]++;
- if (pn[i])
- break;
- }
- bip_ipn_swap(mmie->sequence_number, pn);
+ bip_ipn_set64(mmie->sequence_number, pn64);
bip_aad(skb, aad);
/*
* MIC = AES-128-CMAC(IGTK, AAD || Management Frame Body || MMIE, 64)
*/
- ieee80211_aes_cmac(key->u.aes_cmac.tfm, key->u.aes_cmac.tx_crypto_buf,
- aad, skb->data + 24, skb->len - 24, mmie->mic);
+ ieee80211_aes_cmac(key->u.aes_cmac.tfm, aad,
+ skb->data + 24, skb->len - 24, mmie->mic);
return TX_CONTINUE;
}
@@ -612,8 +613,7 @@ ieee80211_crypto_aes_cmac_decrypt(struct ieee80211_rx_data *rx)
if (!(status->flag & RX_FLAG_DECRYPTED)) {
/* hardware didn't decrypt/verify MIC */
bip_aad(skb, aad);
- ieee80211_aes_cmac(key->u.aes_cmac.tfm,
- key->u.aes_cmac.rx_crypto_buf, aad,
+ ieee80211_aes_cmac(key->u.aes_cmac.tfm, aad,
skb->data + 24, skb->len - 24, mic);
if (memcmp(mic, mmie->mic, sizeof(mmie->mic)) != 0) {
key->u.aes_cmac.icverrors++;
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-22 08:28:39 +0000