- }
-
---- a/drivers/net/wireless/ath/ath9k/main.c
-+++ b/drivers/net/wireless/ath/ath9k/main.c
-@@ -617,8 +617,11 @@ void ath_hw_check(struct work_struct *wo
- ath_dbg(common, ATH_DBG_RESET, "Possible baseband hang, "
- "busy=%d (try %d)\n", busy, sc->hw_busy_count + 1);
- if (busy >= 99) {
-- if (++sc->hw_busy_count >= 3)
-+ if (++sc->hw_busy_count >= 3) {
-+ spin_lock_bh(&sc->sc_pcu_lock);
- ath_reset(sc, true);
-+ spin_unlock_bh(&sc->sc_pcu_lock);
-+ }
- } else if (busy >= 0)
- sc->hw_busy_count = 0;
-
-@@ -637,7 +640,9 @@ static void ath_hw_pll_rx_hang_check(str
- /* Rx is hung for more than 500ms. Reset it */
- ath_dbg(common, ATH_DBG_RESET,
- "Possible RX hang, resetting");
-+ spin_lock_bh(&sc->sc_pcu_lock);
- ath_reset(sc, true);
-+ spin_unlock_bh(&sc->sc_pcu_lock);
- count = 0;
- }
- } else
-@@ -674,7 +679,9 @@ void ath9k_tasklet(unsigned long data)
-
- if ((status & ATH9K_INT_FATAL) ||
- (status & ATH9K_INT_BB_WATCHDOG)) {
-+ spin_lock(&sc->sc_pcu_lock);
- ath_reset(sc, true);
-+ spin_unlock(&sc->sc_pcu_lock);
- return;
- }
-
-@@ -980,7 +987,6 @@ int ath_reset(struct ath_softc *sc, bool
- del_timer_sync(&common->ani.timer);
-
- ath9k_ps_wakeup(sc);
-- spin_lock_bh(&sc->sc_pcu_lock);
-
- ieee80211_stop_queues(hw);
-
-@@ -1023,7 +1029,6 @@ int ath_reset(struct ath_softc *sc, bool
- }
-
- ieee80211_wake_queues(hw);
-- spin_unlock_bh(&sc->sc_pcu_lock);
-
- /* Start ANI */
- if (!common->disable_ani)
-@@ -2326,9 +2331,9 @@ static void ath9k_flush(struct ieee80211
- ath9k_ps_wakeup(sc);
- spin_lock_bh(&sc->sc_pcu_lock);
- drain_txq = ath_drain_all_txq(sc, false);
-- spin_unlock_bh(&sc->sc_pcu_lock);
- if (!drain_txq)
- ath_reset(sc, false);
-+ spin_unlock_bh(&sc->sc_pcu_lock);
- ath9k_ps_restore(sc);
- ieee80211_wake_queues(hw);
-
---- a/drivers/net/wireless/ath/ath9k/xmit.c
-+++ b/drivers/net/wireless/ath/ath9k/xmit.c
-@@ -565,11 +565,8 @@ static void ath_tx_complete_aggr(struct
-
- rcu_read_unlock();
-
-- if (needreset) {
-- spin_unlock_bh(&sc->sc_pcu_lock);
-+ if (needreset)
- ath_reset(sc, false);
-- spin_lock_bh(&sc->sc_pcu_lock);
-- }
- }
-
- static u32 ath_lookup_rate(struct ath_softc *sc, struct ath_buf *bf,
-@@ -664,7 +661,8 @@ static int ath_compute_num_delims(struct
- * TODO - this could be improved to be dependent on the rate.
- * The hardware can keep up at lower rates, but not higher rates
- */
-- if (fi->keyix != ATH9K_TXKEYIX_INVALID)
-+ if ((fi->keyix != ATH9K_TXKEYIX_INVALID) &&
-+ !(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA))
- ndelim += ATH_AGGR_ENCRYPTDELIM;
-
- /*
-@@ -2169,7 +2167,9 @@ static void ath_tx_complete_poll_work(st
- if (needreset) {
- ath_dbg(ath9k_hw_common(sc->sc_ah), ATH_DBG_RESET,
- "tx hung, resetting the chip\n");
-+ spin_lock_bh(&sc->sc_pcu_lock);
- ath_reset(sc, true);
-+ spin_unlock_bh(&sc->sc_pcu_lock);
- }
-
- ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work,
---- a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c
-+++ b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c
-@@ -236,7 +236,7 @@ static void ar9003_paprd_get_gain_table(
- memset(entry, 0, sizeof(ah->paprd_gain_table_entries));
- memset(index, 0, sizeof(ah->paprd_gain_table_index));
-
-- for (i = 0; i < 32; i++) {
-+ for (i = 0; i < PAPRD_GAIN_TABLE_ENTRIES; i++) {
- entry[i] = REG_READ(ah, reg);
- index[i] = (entry[i] >> 24) & 0xff;
- reg += 4;
-@@ -246,13 +246,13 @@ static void ar9003_paprd_get_gain_table(
- static unsigned int ar9003_get_desired_gain(struct ath_hw *ah, int chain,
- int target_power)
- {
-- int olpc_gain_delta = 0;
-+ int olpc_gain_delta = 0, cl_gain_mod;
- int alpha_therm, alpha_volt;
- int therm_cal_value, volt_cal_value;
- int therm_value, volt_value;
- int thermal_gain_corr, voltage_gain_corr;
- int desired_scale, desired_gain = 0;
-- u32 reg;
-+ u32 reg_olpc = 0, reg_cl_gain = 0;
-
- REG_CLR_BIT(ah, AR_PHY_PAPRD_TRAINER_STAT1,
- AR_PHY_PAPRD_TRAINER_STAT1_PAPRD_TRAIN_DONE);
-@@ -271,15 +271,29 @@ static unsigned int ar9003_get_desired_g
- volt_value = REG_READ_FIELD(ah, AR_PHY_BB_THERM_ADC_4,
- AR_PHY_BB_THERM_ADC_4_LATEST_VOLT_VALUE);
-
-- if (chain == 0)
-- reg = AR_PHY_TPC_11_B0;
-- else if (chain == 1)
-- reg = AR_PHY_TPC_11_B1;
-- else
-- reg = AR_PHY_TPC_11_B2;
-+ switch (chain) {
-+ case 0:
-+ reg_olpc = AR_PHY_TPC_11_B0;
-+ reg_cl_gain = AR_PHY_CL_TAB_0;
-+ break;
-+ case 1:
-+ reg_olpc = AR_PHY_TPC_11_B1;
-+ reg_cl_gain = AR_PHY_CL_TAB_1;
-+ break;
-+ case 2:
-+ reg_olpc = AR_PHY_TPC_11_B2;
-+ reg_cl_gain = AR_PHY_CL_TAB_2;
-+ break;
-+ default:
-+ ath_dbg(ath9k_hw_common(ah), ATH_DBG_CALIBRATE,
-+ "Invalid chainmask: %d\n", chain);
-+ break;
-+ }
-
-- olpc_gain_delta = REG_READ_FIELD(ah, reg,
-+ olpc_gain_delta = REG_READ_FIELD(ah, reg_olpc,
- AR_PHY_TPC_11_OLPC_GAIN_DELTA);
-+ cl_gain_mod = REG_READ_FIELD(ah, reg_cl_gain,
-+ AR_PHY_CL_TAB_CL_GAIN_MOD);
-
- if (olpc_gain_delta >= 128)
- olpc_gain_delta = olpc_gain_delta - 256;
-@@ -289,7 +303,7 @@ static unsigned int ar9003_get_desired_g
- voltage_gain_corr = (alpha_volt * (volt_value - volt_cal_value) +
- (128 / 2)) / 128;
- desired_gain = target_power - olpc_gain_delta - thermal_gain_corr -
-- voltage_gain_corr + desired_scale;
-+ voltage_gain_corr + desired_scale + cl_gain_mod;
-
- return desired_gain;
- }
-@@ -727,7 +741,7 @@ int ar9003_paprd_setup_gain_table(struct
- desired_gain = ar9003_get_desired_gain(ah, chain, train_power);
-
- gain_index = 0;
-- for (i = 0; i < 32; i++) {
-+ for (i = 0; i < PAPRD_GAIN_TABLE_ENTRIES; i++) {
- if (ah->paprd_gain_table_index[i] >= desired_gain)
- break;
- gain_index++;
---- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h
-+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h
-@@ -1121,6 +1121,9 @@
- #define AR_PHY_POWERTX_RATE8_POWERTXHT40_5 0x3F00
- #define AR_PHY_POWERTX_RATE8_POWERTXHT40_5_S 8
-
-+#define AR_PHY_CL_TAB_CL_GAIN_MOD 0x1f
-+#define AR_PHY_CL_TAB_CL_GAIN_MOD_S 0
-+
- void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx);
-
- #endif /* AR9003_PHY_H */
---- a/drivers/net/wireless/ath/ath5k/eeprom.c
-+++ b/drivers/net/wireless/ath/ath5k/eeprom.c
-@@ -691,14 +691,12 @@ ath5k_eeprom_free_pcal_info(struct ath5k
- if (!chinfo[pier].pd_curves)
- continue;
-
-- for (pdg = 0; pdg < ee->ee_pd_gains[mode]; pdg++) {
-+ for (pdg = 0; pdg < AR5K_EEPROM_N_PD_CURVES; pdg++) {
- struct ath5k_pdgain_info *pd =
- &chinfo[pier].pd_curves[pdg];
-
-- if (pd != NULL) {
-- kfree(pd->pd_step);
-- kfree(pd->pd_pwr);
-- }
-+ kfree(pd->pd_step);
-+ kfree(pd->pd_pwr);
- }
-
- kfree(chinfo[pier].pd_curves);
---- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
-+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
-@@ -229,6 +229,7 @@ static void ar9003_hw_fill_txdesc(struct
- static int ar9003_hw_proc_txdesc(struct ath_hw *ah, void *ds,
- struct ath_tx_status *ts)
- {
-+ struct ar9003_txc *txc = (struct ar9003_txc *) ds;
- struct ar9003_txs *ads;
- u32 status;
-
-@@ -238,7 +239,11 @@ static int ar9003_hw_proc_txdesc(struct
- if ((status & AR_TxDone) == 0)
- return -EINPROGRESS;
-
-- ah->ts_tail = (ah->ts_tail + 1) % ah->ts_size;
-+ ts->qid = MS(ads->ds_info, AR_TxQcuNum);
-+ if (!txc || (MS(txc->info, AR_TxQcuNum) == ts->qid))
-+ ah->ts_tail = (ah->ts_tail + 1) % ah->ts_size;
-+ else
-+ return -ENOENT;
-
- if ((MS(ads->ds_info, AR_DescId) != ATHEROS_VENDOR_ID) ||
- (MS(ads->ds_info, AR_TxRxDesc) != 1)) {
-@@ -254,7 +259,6 @@ static int ar9003_hw_proc_txdesc(struct
- ts->ts_seqnum = MS(status, AR_SeqNum);
- ts->tid = MS(status, AR_TxTid);
-
-- ts->qid = MS(ads->ds_info, AR_TxQcuNum);
- ts->desc_id = MS(ads->status1, AR_TxDescId);
- ts->ts_tstamp = ads->status4;
- ts->ts_status = 0;
---- 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"
-@@ -86,6 +87,11 @@ ieee80211_rx_h_michael_mic_verify(struct
- 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
-@@ -148,8 +154,8 @@ ieee80211_rx_h_michael_mic_verify(struct
-
- update_iv:
- /* update IV in key information to be able to detect replays */
-- rx->key->u.tkip.rx[rx->queue].iv32 = rx->tkip_iv32;
-- rx->key->u.tkip.rx[rx->queue].iv16 = rx->tkip_iv16;
-+ rx->key->u.tkip.rx[queue].iv32 = rx->tkip_iv32;
-+ rx->key->u.tkip.rx[queue].iv16 = rx->tkip_iv16;
-
- return RX_CONTINUE;
-
-@@ -165,6 +171,7 @@ static int tkip_encrypt_skb(struct ieee8
- 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;
-@@ -192,11 +199,12 @@ static int tkip_encrypt_skb(struct ieee8
- 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)
-@@ -205,9 +213,8 @@ static int tkip_encrypt_skb(struct ieee8
- /* 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);
- }
-
-
-@@ -235,6 +242,11 @@ ieee80211_crypto_tkip_decrypt(struct iee
- 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);
-
-@@ -255,7 +267,7 @@ ieee80211_crypto_tkip_decrypt(struct iee
- res = ieee80211_tkip_decrypt_data(rx->local->wep_rx_tfm,
- key, skb->data + hdrlen,
- skb->len - hdrlen, rx->sta->sta.addr,
-- hdr->addr1, hwaccel, rx->queue,
-+ hdr->addr1, hwaccel, queue,
- &rx->tkip_iv32,
- &rx->tkip_iv16);
- if (res != TKIP_DECRYPT_OK)
-@@ -283,6 +295,8 @@ static void ccmp_special_blocks(struct s
- unsigned int hdrlen;
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
-
-+ memset(scratch, 0, 6 * AES_BLOCK_LEN);
-+
- b_0 = scratch + 3 * AES_BLOCK_LEN;
- aad = scratch + 4 * AES_BLOCK_LEN;
-
-@@ -373,8 +387,10 @@ static int ccmp_encrypt_skb(struct ieee8
- 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_LEN];
-
- if (info->control.hw_key &&
- !(info->control.hw_key->flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
-@@ -402,14 +418,14 @@ static int ccmp_encrypt_skb(struct ieee8
- 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);
-
-@@ -418,8 +434,8 @@ static int ccmp_encrypt_skb(struct ieee8
- 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;
-@@ -475,11 +491,12 @@ ieee80211_crypto_ccmp_decrypt(struct iee
- }
-
- if (!(status->flag & RX_FLAG_DECRYPTED)) {
-+ u8 scratch[6 * AES_BLOCK_LEN];
- /* 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))
---- a/drivers/net/wireless/b43/xmit.c
-+++ b/drivers/net/wireless/b43/xmit.c
-@@ -323,8 +323,7 @@ int b43_generate_txhdr(struct b43_wldev
- /* we give the phase1key and iv16 here, the key is stored in
- * shm. With that the hardware can do phase 2 and encryption.
- */
-- ieee80211_get_tkip_key(info->control.hw_key, skb_frag,
-- IEEE80211_TKIP_P1_KEY, (u8*)phase1key);
-+ ieee80211_get_tkip_p1k(info->control.hw_key, skb_frag, phase1key);
- /* phase1key is in host endian. Copy to little-endian txhdr->iv. */
- for (i = 0; i < 5; i++) {
- txhdr->iv[i * 2 + 0] = phase1key[i];
---- a/drivers/net/wireless/iwlegacy/iwl-4965-tx.c
-+++ b/drivers/net/wireless/iwlegacy/iwl-4965-tx.c
-@@ -240,8 +240,7 @@ static void iwl4965_tx_cmd_build_hwcrypt
-
- case WLAN_CIPHER_SUITE_TKIP:
- tx_cmd->sec_ctl = TX_CMD_SEC_TKIP;
-- ieee80211_get_tkip_key(keyconf, skb_frag,
-- IEEE80211_TKIP_P2_KEY, tx_cmd->key);
-+ ieee80211_get_tkip_p2k(keyconf, skb_frag, tx_cmd->key);
- IWL_DEBUG_TX(priv, "tx_cmd with tkip hwcrypto\n");
- break;
-
---- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
-+++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
-@@ -497,8 +497,7 @@ static void iwlagn_tx_cmd_build_hwcrypto
-
- case WLAN_CIPHER_SUITE_TKIP:
- tx_cmd->sec_ctl = TX_CMD_SEC_TKIP;
-- ieee80211_get_tkip_key(keyconf, skb_frag,
-- IEEE80211_TKIP_P2_KEY, tx_cmd->key);
-+ ieee80211_get_tkip_p2k(keyconf, skb_frag, tx_cmd->key);
- IWL_DEBUG_TX(priv, "tx_cmd with tkip hwcrypto\n");
- break;
-
---- a/include/net/mac80211.h
-+++ b/include/net/mac80211.h
-@@ -960,21 +960,6 @@ enum sta_notify_cmd {
- };
-
- /**
-- * enum ieee80211_tkip_key_type - get tkip key
-- *
-- * Used by drivers which need to get a tkip key for skb. Some drivers need a
-- * phase 1 key, others need a phase 2 key. A single function allows the driver
-- * to get the key, this enum indicates what type of key is required.
-- *
-- * @IEEE80211_TKIP_P1_KEY: the driver needs a phase 1 key
-- * @IEEE80211_TKIP_P2_KEY: the driver needs a phase 2 key
-- */
--enum ieee80211_tkip_key_type {
-- IEEE80211_TKIP_P1_KEY,
-- IEEE80211_TKIP_P2_KEY,
--};
--
--/**
- * enum ieee80211_hw_flags - hardware flags
- *
- * These flags are used to indicate hardware capabilities to
-@@ -2568,21 +2553,33 @@ struct sk_buff *
- ieee80211_get_buffered_bc(struct ieee80211_hw *hw, struct ieee80211_vif *vif);
-
- /**
-- * ieee80211_get_tkip_key - get a TKIP rc4 for skb
-+ * ieee80211_get_tkip_p1k - get a TKIP phase 1 key
-+ *
-+ * This function returns the TKIP phase 1 key for the IV32 taken
-+ * from the given packet.
-+ *
-+ * @keyconf: the parameter passed with the set key
-+ * @skb: the packet to take the IV32 value from that will be encrypted
-+ * with this P1K
-+ * @p1k: a buffer to which the key will be written, as 5 u16 values
-+ */
-+void ieee80211_get_tkip_p1k(struct ieee80211_key_conf *keyconf,
-+ struct sk_buff *skb, u16 *p1k);
-+
-+/**
-+ * ieee80211_get_tkip_p2k - get a TKIP phase 2 key
- *
-- * This function computes a TKIP rc4 key for an skb. It computes
-- * a phase 1 key if needed (iv16 wraps around). This function is to
-- * be used by drivers which can do HW encryption but need to compute
-- * to phase 1/2 key in SW.
-+ * This function computes the TKIP RC4 key for the IV values
-+ * in the packet.
- *
- * @keyconf: the parameter passed with the set key
-- * @skb: the skb for which the key is needed
-- * @type: TBD
-- * @key: a buffer to which the key will be written
-- */
--void ieee80211_get_tkip_key(struct ieee80211_key_conf *keyconf,
-- struct sk_buff *skb,
-- enum ieee80211_tkip_key_type type, u8 *key);
-+ * @skb: the packet to take the IV32/IV16 values from that will be
-+ * encrypted with this key
-+ * @p2k: a buffer to which the key will be written, 16 bytes
-+ */
-+void ieee80211_get_tkip_p2k(struct ieee80211_key_conf *keyconf,
-+ struct sk_buff *skb, u8 *p2k);
-+
- /**
- * ieee80211_wake_queue - wake specific queue
- * @hw: pointer as obtained from ieee80211_alloc_hw().
---- a/net/mac80211/key.c
-+++ b/net/mac80211/key.c
-@@ -333,6 +333,7 @@ struct ieee80211_key *ieee80211_key_allo
- get_unaligned_le16(seq);
- }
- }
-+ spin_lock_init(&key->u.tkip.txlock);
- break;
- case WLAN_CIPHER_SUITE_CCMP:
- key->conf.iv_len = CCMP_HDR_LEN;
---- a/net/mac80211/key.h
-+++ b/net/mac80211/key.h
-@@ -52,9 +52,10 @@ 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 +72,9 @@ struct ieee80211_key {
-
- union {
- struct {
-+ /* protects tx context */
-+ spinlock_t txlock;
-+
- /* last used TSC */
- struct tkip_ctx tx;
-
-@@ -78,7 +82,7 @@ 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
-@@ -88,12 +92,9 @@ struct ieee80211_key {
- u8 rx_pn[NUM_RX_DATA_QUEUES + 1][6];
- 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];
---- a/net/mac80211/tkip.c
-+++ b/net/mac80211/tkip.c
-@@ -101,6 +101,7 @@ static void tkip_mixing_phase1(const u8
- 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 +141,72 @@ static void tkip_mixing_phase2(const u8
- /* 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);
projects / openwrt.git / blobdiff