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authorFelix Fietkau <nbd@openwrt.org>2011-04-07 18:42:22 +0000
committerFelix Fietkau <nbd@openwrt.org>2011-04-07 18:42:22 +0000
commit34643f24ed079cffcef7305718987f6ecdcbf833 (patch)
treeb2d693a9f1b147699e11605619398cb95179fde5 /package/mac80211/patches/300-pending_work.patch
parentabf0b4b9a223a1ccde60cbaa3eb455b3a3a4d01a (diff)
downloadmtk-20170518-34643f24ed079cffcef7305718987f6ecdcbf833.zip
mtk-20170518-34643f24ed079cffcef7305718987f6ecdcbf833.tar.gz
mtk-20170518-34643f24ed079cffcef7305718987f6ecdcbf833.tar.bz2
mac80211: update to wireless-testing 2011-04-06
adds some more pending patches which (among other things) fix the 'failed to stop RX DMA' messages SVN-Revision: 26506
Diffstat (limited to 'package/mac80211/patches/300-pending_work.patch')
-rw-r--r--package/mac80211/patches/300-pending_work.patch534
1 files changed, 321 insertions, 213 deletions
diff --git a/package/mac80211/patches/300-pending_work.patch b/package/mac80211/patches/300-pending_work.patch
index 4cd18b4..cc2b1c2 100644
--- a/package/mac80211/patches/300-pending_work.patch
+++ b/package/mac80211/patches/300-pending_work.patch
@@ -1,244 +1,352 @@
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
-@@ -1048,6 +1048,8 @@ static int ath9k_start(struct ieee80211_
- "Starting driver with initial channel: %d MHz\n",
- curchan->center_freq);
+@@ -324,7 +324,6 @@ static void ath_paprd_activate(struct at
+ if (!caldata || !caldata->paprd_done)
+ return;
+
+- ath9k_ps_wakeup(sc);
+ ar9003_paprd_enable(ah, false);
+ for (chain = 0; chain < AR9300_MAX_CHAINS; chain++) {
+ if (!(common->tx_chainmask & BIT(chain)))
+@@ -334,7 +333,6 @@ static void ath_paprd_activate(struct at
+ }
+
+ ar9003_paprd_enable(ah, true);
+- ath9k_ps_restore(sc);
+ }
+
+ static bool ath_paprd_send_frame(struct ath_softc *sc, struct sk_buff *skb, int chain)
+@@ -554,8 +552,11 @@ set_timer:
+ if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_PAPRD) && ah->caldata) {
+ if (!ah->caldata->paprd_done)
+ ieee80211_queue_work(sc->hw, &sc->paprd_work);
+- else if (!ah->paprd_table_write_done)
++ else if (!ah->paprd_table_write_done) {
++ ath9k_ps_wakeup(sc);
+ ath_paprd_activate(sc);
++ ath9k_ps_restore(sc);
++ }
+ }
+ }
+
+@@ -1376,7 +1377,6 @@ static void ath9k_calculate_summary_stat
+
+ ath9k_calculate_iter_data(hw, vif, &iter_data);
+
+- ath9k_ps_wakeup(sc);
+ /* Set BSSID mask. */
+ memcpy(common->bssidmask, iter_data.mask, ETH_ALEN);
+ ath_hw_setbssidmask(common);
+@@ -1411,7 +1411,6 @@ static void ath9k_calculate_summary_stat
+ }
+
+ ath9k_hw_set_interrupts(ah, ah->imask);
+- ath9k_ps_restore(sc);
+
+ /* Set up ANI */
+ if ((iter_data.naps + iter_data.nadhocs) > 0) {
+@@ -1457,6 +1456,7 @@ static int ath9k_add_interface(struct ie
+ struct ath_vif *avp = (void *)vif->drv_priv;
+ int ret = 0;
+ ath9k_ps_wakeup(sc);
-+
mutex_lock(&sc->mutex);
- /* setup initial channel */
-@@ -1143,6 +1145,8 @@ static int ath9k_start(struct ieee80211_
- mutex_unlock:
+ switch (vif->type) {
+@@ -1503,6 +1503,7 @@ static int ath9k_add_interface(struct ie
+ ath9k_do_vif_add_setup(hw, vif);
+ out:
mutex_unlock(&sc->mutex);
++ ath9k_ps_restore(sc);
+ return ret;
+ }
+
+@@ -1517,6 +1518,7 @@ static int ath9k_change_interface(struct
+ ath_dbg(common, ATH_DBG_CONFIG, "Change Interface\n");
+ mutex_lock(&sc->mutex);
++ ath9k_ps_wakeup(sc);
+
+ /* See if new interface type is valid. */
+ if ((new_type == NL80211_IFTYPE_ADHOC) &&
+@@ -1546,6 +1548,7 @@ static int ath9k_change_interface(struct
+
+ ath9k_do_vif_add_setup(hw, vif);
+ out:
+ ath9k_ps_restore(sc);
-+
- return r;
+ mutex_unlock(&sc->mutex);
+ return ret;
}
+@@ -1558,6 +1561,7 @@ static void ath9k_remove_interface(struc
---- a/net/mac80211/ibss.c
-+++ b/net/mac80211/ibss.c
-@@ -661,7 +661,6 @@ static void ieee80211_sta_find_ibss(stru
- static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata,
- struct sk_buff *req)
- {
-- struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(req);
- struct ieee80211_mgmt *mgmt = (void *)req->data;
- struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
- struct ieee80211_local *local = sdata->local;
-@@ -685,7 +684,7 @@ static void ieee80211_rx_mgmt_probe_req(
- mgmt->bssid, tx_last_beacon);
- #endif /* CONFIG_MAC80211_IBSS_DEBUG */
-
-- if (!tx_last_beacon && !(rx_status->rx_flags & IEEE80211_RX_RA_MATCH))
-+ if (!tx_last_beacon && is_multicast_ether_addr(mgmt->da))
- return;
+ ath_dbg(common, ATH_DBG_CONFIG, "Detach Interface\n");
- if (memcmp(mgmt->bssid, ifibss->bssid, ETH_ALEN) != 0 &&
---- a/net/mac80211/rc80211_minstrel_ht.c
-+++ b/net/mac80211/rc80211_minstrel_ht.c
-@@ -659,18 +659,14 @@ minstrel_ht_update_caps(void *priv, stru
- struct ieee80211_mcs_info *mcs = &sta->ht_cap.mcs;
- struct ieee80211_local *local = hw_to_local(mp->hw);
- u16 sta_cap = sta->ht_cap.cap;
-+ int n_supported = 0;
- int ack_dur;
- int stbc;
- int i;
++ ath9k_ps_wakeup(sc);
+ mutex_lock(&sc->mutex);
- /* fall back to the old minstrel for legacy stations */
-- if (!sta->ht_cap.ht_supported) {
-- msp->is_ht = false;
-- memset(&msp->legacy, 0, sizeof(msp->legacy));
-- msp->legacy.r = msp->ratelist;
-- msp->legacy.sample_table = msp->sample_table;
-- return mac80211_minstrel.rate_init(priv, sband, sta, &msp->legacy);
-- }
-+ if (!sta->ht_cap.ht_supported)
-+ goto use_legacy;
-
- BUILD_BUG_ON(ARRAY_SIZE(minstrel_mcs_groups) !=
- MINSTREL_MAX_STREAMS * MINSTREL_STREAM_GROUPS);
-@@ -725,7 +721,22 @@ minstrel_ht_update_caps(void *priv, stru
-
- mi->groups[i].supported =
- mcs->rx_mask[minstrel_mcs_groups[i].streams - 1];
-+
-+ if (mi->groups[i].supported)
-+ n_supported++;
+ sc->nvifs--;
+@@ -1569,6 +1573,7 @@ static void ath9k_remove_interface(struc
+ ath9k_calculate_summary_state(hw, NULL);
+
+ mutex_unlock(&sc->mutex);
++ ath9k_ps_restore(sc);
+ }
+
+ static void ath9k_enable_ps(struct ath_softc *sc)
+@@ -1809,6 +1814,7 @@ static int ath9k_conf_tx(struct ieee8021
+
+ txq = sc->tx.txq_map[queue];
+
++ ath9k_ps_wakeup(sc);
+ mutex_lock(&sc->mutex);
+
+ memset(&qi, 0, sizeof(struct ath9k_tx_queue_info));
+@@ -1832,6 +1838,7 @@ static int ath9k_conf_tx(struct ieee8021
+ ath_beaconq_config(sc);
+
+ mutex_unlock(&sc->mutex);
++ ath9k_ps_restore(sc);
+
+ return ret;
+ }
+@@ -1908,6 +1915,7 @@ static void ath9k_bss_info_changed(struc
+ int slottime;
+ int error;
+
++ ath9k_ps_wakeup(sc);
+ mutex_lock(&sc->mutex);
+
+ if (changed & BSS_CHANGED_BSSID) {
+@@ -2008,6 +2016,7 @@ static void ath9k_bss_info_changed(struc
}
+
+ mutex_unlock(&sc->mutex);
++ ath9k_ps_restore(sc);
+ }
+
+ static u64 ath9k_get_tsf(struct ieee80211_hw *hw)
+--- a/drivers/net/wireless/ath/ath9k/beacon.c
++++ b/drivers/net/wireless/ath/ath9k/beacon.c
+@@ -392,14 +392,6 @@ void ath_beacon_tasklet(unsigned long da
+ tsf += TU_TO_USEC(ah->config.sw_beacon_response_time);
+ tsftu = TSF_TO_TU((tsf * ATH_BCBUF) >>32, tsf * ATH_BCBUF);
+ slot = (tsftu % (intval * ATH_BCBUF)) / intval;
+- /*
+- * Reverse the slot order to get slot 0 on the TBTT offset that does
+- * not require TSF adjustment and other slots adding
+- * slot/ATH_BCBUF * beacon_int to timestamp. For example, with
+- * ATH_BCBUF = 4, we process beacon slots as follows: 3 2 1 0 3 2 1 ..
+- * and slot 0 is at correct offset to TBTT.
+- */
+- slot = ATH_BCBUF - slot - 1;
+ vif = sc->beacon.bslot[slot];
+
+ ath_dbg(common, ATH_DBG_BEACON,
+@@ -708,7 +700,7 @@ void ath_beacon_config(struct ath_softc
+ if (cur_conf->dtim_period == 0)
+ cur_conf->dtim_period = 1;
+
+- switch (iftype) {
++ switch (sc->sc_ah->opmode) {
+ case NL80211_IFTYPE_AP:
+ ath_beacon_config_ap(sc, cur_conf);
+ break;
+--- a/net/mac80211/rx.c
++++ b/net/mac80211/rx.c
+@@ -1585,7 +1585,7 @@ ieee80211_drop_unencrypted_mgmt(struct i
+ }
+
+ static int
+-__ieee80211_data_to_8023(struct ieee80211_rx_data *rx)
++__ieee80211_data_to_8023(struct ieee80211_rx_data *rx, bool *port_control)
+ {
+ struct ieee80211_sub_if_data *sdata = rx->sdata;
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
+@@ -1593,6 +1593,7 @@ __ieee80211_data_to_8023(struct ieee8021
+ struct ethhdr *ehdr;
+ int ret;
+
++ *port_control = false;
+ if (ieee80211_has_a4(hdr->frame_control) &&
+ sdata->vif.type == NL80211_IFTYPE_AP_VLAN && !sdata->u.vlan.sta)
+ return -1;
+@@ -1611,12 +1612,16 @@ __ieee80211_data_to_8023(struct ieee8021
+ return -1;
+
+ ret = ieee80211_data_to_8023(rx->skb, sdata->vif.addr, sdata->vif.type);
+- if (ret < 0 || !check_port_control)
++ if (ret < 0)
+ return ret;
+
+ ehdr = (struct ethhdr *) rx->skb->data;
+- if (ehdr->h_proto != rx->sdata->control_port_protocol)
+- return -1;
++ if (ehdr->h_proto == rx->sdata->control_port_protocol) {
++ *port_control = true;
+
-+ if (!n_supported)
-+ goto use_legacy;
-+
-+ return;
++ if (check_port_control)
++ return -1;
++ }
+
+ return 0;
+ }
+@@ -1916,6 +1921,7 @@ ieee80211_rx_h_data(struct ieee80211_rx_
+ struct net_device *dev = sdata->dev;
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
+ __le16 fc = hdr->frame_control;
++ bool port_control;
+ int err;
+
+ if (unlikely(!ieee80211_is_data(hdr->frame_control)))
+@@ -1932,13 +1938,21 @@ ieee80211_rx_h_data(struct ieee80211_rx_
+ sdata->vif.type == NL80211_IFTYPE_AP)
+ return RX_DROP_MONITOR;
+
+- err = __ieee80211_data_to_8023(rx);
++ err = __ieee80211_data_to_8023(rx, &port_control);
+ if (unlikely(err))
+ return RX_DROP_UNUSABLE;
+
+ if (!ieee80211_frame_allowed(rx, fc))
+ return RX_DROP_MONITOR;
+
++ if (rx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
++ unlikely(port_control) && sdata->bss) {
++ sdata = container_of(sdata->bss, struct ieee80211_sub_if_data,
++ u.ap);
++ dev = sdata->dev;
++ rx->sdata = sdata;
++ }
+
-+use_legacy:
-+ msp->is_ht = false;
-+ memset(&msp->legacy, 0, sizeof(msp->legacy));
-+ msp->legacy.r = msp->ratelist;
-+ msp->legacy.sample_table = msp->sample_table;
-+ return mac80211_minstrel.rate_init(priv, sband, sta, &msp->legacy);
+ rx->skb->dev = dev;
+
+ dev->stats.rx_packets++;
+--- a/drivers/net/wireless/ath/ath9k/recv.c
++++ b/drivers/net/wireless/ath/ath9k/recv.c
+@@ -75,7 +75,6 @@ static void ath_rx_buf_link(struct ath_s
+ *sc->rx.rxlink = bf->bf_daddr;
+
+ sc->rx.rxlink = &ds->ds_link;
+- ath9k_hw_rxena(ah);
}
- static void
---- a/net/mac80211/ieee80211_i.h
-+++ b/net/mac80211/ieee80211_i.h
-@@ -814,8 +814,8 @@ struct ieee80211_local {
-
- struct rate_control_ref *rate_ctrl;
-
-- struct crypto_blkcipher *wep_tx_tfm;
-- struct crypto_blkcipher *wep_rx_tfm;
-+ struct crypto_cipher *wep_tx_tfm;
-+ struct crypto_cipher *wep_rx_tfm;
- u32 wep_iv;
-
- /* see iface.c */
---- a/net/mac80211/tkip.c
-+++ b/net/mac80211/tkip.c
-@@ -202,7 +202,7 @@ EXPORT_SYMBOL(ieee80211_get_tkip_key);
- * @payload_len is the length of payload (_not_ including IV/ICV length).
- * @ta is the transmitter addresses.
- */
--int ieee80211_tkip_encrypt_data(struct crypto_blkcipher *tfm,
-+int ieee80211_tkip_encrypt_data(struct crypto_cipher *tfm,
- struct ieee80211_key *key,
- u8 *pos, size_t payload_len, u8 *ta)
+ static void ath_setdefantenna(struct ath_softc *sc, u32 antenna)
+@@ -426,9 +425,7 @@ u32 ath_calcrxfilter(struct ath_softc *s
+ else
+ rfilt |= ATH9K_RX_FILTER_BEACON;
+
+- if ((AR_SREV_9280_20_OR_LATER(sc->sc_ah) ||
+- AR_SREV_9285_12_OR_LATER(sc->sc_ah)) &&
+- (sc->sc_ah->opmode == NL80211_IFTYPE_AP) &&
++ if ((sc->sc_ah->opmode == NL80211_IFTYPE_AP) ||
+ (sc->rx.rxfilter & FIF_PSPOLL))
+ rfilt |= ATH9K_RX_FILTER_PSPOLL;
+
+@@ -486,12 +483,12 @@ start_recv:
+ bool ath_stoprecv(struct ath_softc *sc)
{
-@@ -223,7 +223,7 @@ int ieee80211_tkip_encrypt_data(struct c
- * beginning of the buffer containing IEEE 802.11 header payload, i.e.,
- * including IV, Ext. IV, real data, Michael MIC, ICV. @payload_len is the
- * length of payload, including IV, Ext. IV, MIC, ICV. */
--int ieee80211_tkip_decrypt_data(struct crypto_blkcipher *tfm,
-+int ieee80211_tkip_decrypt_data(struct crypto_cipher *tfm,
- struct ieee80211_key *key,
- u8 *payload, size_t payload_len, u8 *ta,
- u8 *ra, int only_iv, int queue,
---- a/net/mac80211/tkip.h
-+++ b/net/mac80211/tkip.h
-@@ -15,7 +15,7 @@
-
- u8 *ieee80211_tkip_add_iv(u8 *pos, struct ieee80211_key *key, u16 iv16);
-
--int ieee80211_tkip_encrypt_data(struct crypto_blkcipher *tfm,
-+int ieee80211_tkip_encrypt_data(struct crypto_cipher *tfm,
- struct ieee80211_key *key,
- u8 *pos, size_t payload_len, u8 *ta);
- enum {
-@@ -24,7 +24,7 @@ enum {
- TKIP_DECRYPT_INVALID_KEYIDX = -2,
- TKIP_DECRYPT_REPLAY = -3,
- };
--int ieee80211_tkip_decrypt_data(struct crypto_blkcipher *tfm,
-+int ieee80211_tkip_decrypt_data(struct crypto_cipher *tfm,
- struct ieee80211_key *key,
- u8 *payload, size_t payload_len, u8 *ta,
- u8 *ra, int only_iv, int queue,
---- a/net/mac80211/wep.c
-+++ b/net/mac80211/wep.c
-@@ -30,17 +30,15 @@ int ieee80211_wep_init(struct ieee80211_
- /* start WEP IV from a random value */
- get_random_bytes(&local->wep_iv, WEP_IV_LEN);
-
-- local->wep_tx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0,
-- CRYPTO_ALG_ASYNC);
-+ local->wep_tx_tfm = crypto_alloc_cipher("arc4", 0, CRYPTO_ALG_ASYNC);
- if (IS_ERR(local->wep_tx_tfm)) {
- local->wep_rx_tfm = ERR_PTR(-EINVAL);
- return PTR_ERR(local->wep_tx_tfm);
- }
+ struct ath_hw *ah = sc->sc_ah;
+- bool stopped;
++ bool stopped, reset = false;
+
+ spin_lock_bh(&sc->rx.rxbuflock);
+ ath9k_hw_abortpcurecv(ah);
+ ath9k_hw_setrxfilter(ah, 0);
+- stopped = ath9k_hw_stopdmarecv(ah);
++ stopped = ath9k_hw_stopdmarecv(ah, &reset);
-- local->wep_rx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0,
-- CRYPTO_ALG_ASYNC);
-+ local->wep_rx_tfm = crypto_alloc_cipher("arc4", 0, CRYPTO_ALG_ASYNC);
- if (IS_ERR(local->wep_rx_tfm)) {
-- crypto_free_blkcipher(local->wep_tx_tfm);
-+ crypto_free_cipher(local->wep_tx_tfm);
- local->wep_tx_tfm = ERR_PTR(-EINVAL);
- return PTR_ERR(local->wep_rx_tfm);
+ if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
+ ath_edma_stop_recv(sc);
+@@ -506,7 +503,7 @@ bool ath_stoprecv(struct ath_softc *sc)
+ "confusing the DMA engine when we start RX up\n");
+ ATH_DBG_WARN_ON_ONCE(!stopped);
}
-@@ -51,9 +49,9 @@ int ieee80211_wep_init(struct ieee80211_
- void ieee80211_wep_free(struct ieee80211_local *local)
- {
- if (!IS_ERR(local->wep_tx_tfm))
-- crypto_free_blkcipher(local->wep_tx_tfm);
-+ crypto_free_cipher(local->wep_tx_tfm);
- if (!IS_ERR(local->wep_rx_tfm))
-- crypto_free_blkcipher(local->wep_rx_tfm);
-+ crypto_free_cipher(local->wep_rx_tfm);
+- return stopped;
++ return stopped || reset;
}
- static inline bool ieee80211_wep_weak_iv(u32 iv, int keylen)
-@@ -127,12 +125,11 @@ static void ieee80211_wep_remove_iv(stru
- /* Perform WEP encryption using given key. data buffer must have tailroom
- * for 4-byte ICV. data_len must not include this ICV. Note: this function
- * does _not_ add IV. data = RC4(data | CRC32(data)) */
--int ieee80211_wep_encrypt_data(struct crypto_blkcipher *tfm, u8 *rc4key,
-+int ieee80211_wep_encrypt_data(struct crypto_cipher *tfm, u8 *rc4key,
- size_t klen, u8 *data, size_t data_len)
- {
-- struct blkcipher_desc desc = { .tfm = tfm };
-- struct scatterlist sg;
- __le32 icv;
-+ int i;
+ void ath_flushrecv(struct ath_softc *sc)
+@@ -1767,6 +1764,7 @@ requeue:
+ } else {
+ list_move_tail(&bf->list, &sc->rx.rxbuf);
+ ath_rx_buf_link(sc, bf);
++ ath9k_hw_rxena(ah);
+ }
+ } while (1);
- if (IS_ERR(tfm))
- return -1;
-@@ -140,9 +137,9 @@ int ieee80211_wep_encrypt_data(struct cr
- icv = cpu_to_le32(~crc32_le(~0, data, data_len));
- put_unaligned(icv, (__le32 *)(data + data_len));
+--- a/drivers/net/wireless/ath/ath9k/hw.c
++++ b/drivers/net/wireless/ath/ath9k/hw.c
+@@ -1244,6 +1244,7 @@ int ath9k_hw_reset(struct ath_hw *ah, st
+ u32 saveDefAntenna;
+ u32 macStaId1;
+ u64 tsf = 0;
++ bool reset = false;
+ int i, r;
-- crypto_blkcipher_setkey(tfm, rc4key, klen);
-- sg_init_one(&sg, data, data_len + WEP_ICV_LEN);
-- crypto_blkcipher_encrypt(&desc, &sg, &sg, sg.length);
-+ crypto_cipher_setkey(tfm, rc4key, klen);
-+ for (i = 0; i < data_len + WEP_ICV_LEN; i++)
-+ crypto_cipher_encrypt_one(tfm, data + i, data + i);
+ ah->txchainmask = common->tx_chainmask;
+@@ -1251,11 +1252,13 @@ int ath9k_hw_reset(struct ath_hw *ah, st
- return 0;
+ if ((common->bus_ops->ath_bus_type != ATH_USB) && !ah->chip_fullsleep) {
+ ath9k_hw_abortpcurecv(ah);
+- if (!ath9k_hw_stopdmarecv(ah)) {
++ if (!ath9k_hw_stopdmarecv(ah, &reset)) {
+ ath_dbg(common, ATH_DBG_XMIT,
+ "Failed to stop receive dma\n");
+ bChannelChange = false;
+ }
++ if (reset)
++ bChannelChange = false;
+ }
+
+ if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
+--- a/drivers/net/wireless/ath/ath9k/mac.c
++++ b/drivers/net/wireless/ath/ath9k/mac.c
+@@ -710,18 +710,36 @@ void ath9k_hw_abortpcurecv(struct ath_hw
}
-@@ -186,19 +183,18 @@ int ieee80211_wep_encrypt(struct ieee802
- /* Perform WEP decryption using given key. data buffer includes encrypted
- * payload, including 4-byte ICV, but _not_ IV. data_len must not include ICV.
- * Return 0 on success and -1 on ICV mismatch. */
--int ieee80211_wep_decrypt_data(struct crypto_blkcipher *tfm, u8 *rc4key,
-+int ieee80211_wep_decrypt_data(struct crypto_cipher *tfm, u8 *rc4key,
- size_t klen, u8 *data, size_t data_len)
+ EXPORT_SYMBOL(ath9k_hw_abortpcurecv);
+
+-bool ath9k_hw_stopdmarecv(struct ath_hw *ah)
++bool ath9k_hw_stopdmarecv(struct ath_hw *ah, bool *reset)
{
-- struct blkcipher_desc desc = { .tfm = tfm };
-- struct scatterlist sg;
- __le32 crc;
-+ int i;
+ #define AH_RX_STOP_DMA_TIMEOUT 10000 /* usec */
+ struct ath_common *common = ath9k_hw_common(ah);
++ u32 mac_status, last_mac_status = 0;
+ int i;
- if (IS_ERR(tfm))
- return -1;
++ /* Enable access to the DMA observation bus */
++ REG_WRITE(ah, AR_MACMISC,
++ ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
++ (AR_MACMISC_MISC_OBS_BUS_1 <<
++ AR_MACMISC_MISC_OBS_BUS_MSB_S)));
++
+ REG_WRITE(ah, AR_CR, AR_CR_RXD);
+
+ /* Wait for rx enable bit to go low */
+ for (i = AH_RX_STOP_DMA_TIMEOUT / AH_TIME_QUANTUM; i != 0; i--) {
+ if ((REG_READ(ah, AR_CR) & AR_CR_RXE) == 0)
+ break;
++
++ if (!AR_SREV_9300_20_OR_LATER(ah)) {
++ mac_status = REG_READ(ah, AR_DMADBG_7) & 0x7f0;
++ if (mac_status == 0x1c0 && mac_status == last_mac_status) {
++ *reset = true;
++ break;
++ }
++
++ last_mac_status = mac_status;
++ }
++
+ udelay(AH_TIME_QUANTUM);
+ }
-- crypto_blkcipher_setkey(tfm, rc4key, klen);
-- sg_init_one(&sg, data, data_len + WEP_ICV_LEN);
-- crypto_blkcipher_decrypt(&desc, &sg, &sg, sg.length);
-+ crypto_cipher_setkey(tfm, rc4key, klen);
-+ for (i = 0; i < data_len + WEP_ICV_LEN; i++)
-+ crypto_cipher_decrypt_one(tfm, data + i, data + i);
-
- crc = cpu_to_le32(~crc32_le(~0, data, data_len));
- if (memcmp(&crc, data + data_len, WEP_ICV_LEN) != 0)
---- a/net/mac80211/wep.h
-+++ b/net/mac80211/wep.h
-@@ -18,12 +18,12 @@
-
- int ieee80211_wep_init(struct ieee80211_local *local);
- void ieee80211_wep_free(struct ieee80211_local *local);
--int ieee80211_wep_encrypt_data(struct crypto_blkcipher *tfm, u8 *rc4key,
-+int ieee80211_wep_encrypt_data(struct crypto_cipher *tfm, u8 *rc4key,
- size_t klen, u8 *data, size_t data_len);
- int ieee80211_wep_encrypt(struct ieee80211_local *local,
- struct sk_buff *skb,
- const u8 *key, int keylen, int keyidx);
--int ieee80211_wep_decrypt_data(struct crypto_blkcipher *tfm, u8 *rc4key,
-+int ieee80211_wep_decrypt_data(struct crypto_cipher *tfm, u8 *rc4key,
- size_t klen, u8 *data, size_t data_len);
- bool ieee80211_wep_is_weak_iv(struct sk_buff *skb, struct ieee80211_key *key);
+--- a/drivers/net/wireless/ath/ath9k/mac.h
++++ b/drivers/net/wireless/ath/ath9k/mac.h
+@@ -695,7 +695,7 @@ bool ath9k_hw_setrxabort(struct ath_hw *
+ void ath9k_hw_putrxbuf(struct ath_hw *ah, u32 rxdp);
+ void ath9k_hw_startpcureceive(struct ath_hw *ah, bool is_scanning);
+ void ath9k_hw_abortpcurecv(struct ath_hw *ah);
+-bool ath9k_hw_stopdmarecv(struct ath_hw *ah);
++bool ath9k_hw_stopdmarecv(struct ath_hw *ah, bool *reset);
+ int ath9k_hw_beaconq_setup(struct ath_hw *ah);
+ /* Interrupt Handling */