diff options
63 files changed, 1363 insertions, 1506 deletions
diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig index 2fbe9b45..174e344 100644 --- a/drivers/net/wireless/Kconfig +++ b/drivers/net/wireless/Kconfig @@ -5,6 +5,7 @@ menuconfig WLAN bool "Wireless LAN" depends on !S390 + depends on NET select WIRELESS default y ---help--- diff --git a/drivers/net/wireless/ath/ar9170/ar9170.h b/drivers/net/wireless/ath/ar9170/ar9170.h index dc662b7..4f845f8 100644 --- a/drivers/net/wireless/ath/ar9170/ar9170.h +++ b/drivers/net/wireless/ath/ar9170/ar9170.h @@ -109,41 +109,6 @@ struct ar9170_rxstream_mpdu_merge { bool has_plcp; }; -#define AR9170_NUM_TID 16 -#define WME_BA_BMP_SIZE 64 -#define AR9170_NUM_MAX_AGG_LEN (2 * WME_BA_BMP_SIZE) - -#define WME_AC_BE 2 -#define WME_AC_BK 3 -#define WME_AC_VI 1 -#define WME_AC_VO 0 - -#define TID_TO_WME_AC(_tid) \ - ((((_tid) == 0) || ((_tid) == 3)) ? WME_AC_BE : \ - (((_tid) == 1) || ((_tid) == 2)) ? WME_AC_BK : \ - (((_tid) == 4) || ((_tid) == 5)) ? WME_AC_VI : \ - WME_AC_VO) - -#define BAW_WITHIN(_start, _bawsz, _seqno) \ - ((((_seqno) - (_start)) & 0xfff) < (_bawsz)) - -enum ar9170_tid_state { - AR9170_TID_STATE_INVALID, - AR9170_TID_STATE_SHUTDOWN, - AR9170_TID_STATE_PROGRESS, - AR9170_TID_STATE_COMPLETE, -}; - -struct ar9170_sta_tid { - struct list_head list; - struct sk_buff_head queue; - u8 addr[ETH_ALEN]; - u16 ssn; - u16 tid; - enum ar9170_tid_state state; - bool active; -}; - struct ar9170_tx_queue_stats { unsigned int len; unsigned int limit; @@ -152,14 +117,11 @@ struct ar9170_tx_queue_stats { #define AR9170_QUEUE_TIMEOUT 64 #define AR9170_TX_TIMEOUT 8 -#define AR9170_BA_TIMEOUT 4 #define AR9170_JANITOR_DELAY 128 #define AR9170_TX_INVALID_RATE 0xffffffff -#define AR9170_NUM_TX_STATUS 128 -#define AR9170_NUM_TX_AGG_MAX 30 -#define AR9170_NUM_TX_LIMIT_HARD AR9170_TXQ_DEPTH -#define AR9170_NUM_TX_LIMIT_SOFT (AR9170_TXQ_DEPTH - 10) +#define AR9170_NUM_TX_LIMIT_HARD AR9170_TXQ_DEPTH +#define AR9170_NUM_TX_LIMIT_SOFT (AR9170_TXQ_DEPTH - 10) struct ar9170 { struct ieee80211_hw *hw; @@ -234,11 +196,6 @@ struct ar9170 { struct sk_buff_head tx_pending[__AR9170_NUM_TXQ]; struct sk_buff_head tx_status[__AR9170_NUM_TXQ]; struct delayed_work tx_janitor; - /* tx ampdu */ - struct sk_buff_head tx_status_ampdu; - spinlock_t tx_ampdu_list_lock; - struct list_head tx_ampdu_list; - atomic_t tx_ampdu_pending; /* rxstream mpdu merge */ struct ar9170_rxstream_mpdu_merge rx_mpdu; @@ -250,11 +207,6 @@ struct ar9170 { u8 global_ampdu_factor; }; -struct ar9170_sta_info { - struct ar9170_sta_tid agg[AR9170_NUM_TID]; - unsigned int ampdu_max_len; -}; - struct ar9170_tx_info { unsigned long timeout; }; diff --git a/drivers/net/wireless/ath/ar9170/main.c b/drivers/net/wireless/ath/ar9170/main.c index 2e9b330..2abc875 100644 --- a/drivers/net/wireless/ath/ar9170/main.c +++ b/drivers/net/wireless/ath/ar9170/main.c @@ -50,10 +50,6 @@ static int modparam_nohwcrypt; module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO); MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption."); -static int modparam_ht; -module_param_named(ht, modparam_ht, bool, S_IRUGO); -MODULE_PARM_DESC(ht, "enable MPDU aggregation."); - #define RATE(_bitrate, _hw_rate, _txpidx, _flags) { \ .bitrate = (_bitrate), \ .flags = (_flags), \ @@ -182,7 +178,6 @@ static struct ieee80211_supported_band ar9170_band_5GHz = { }; static void ar9170_tx(struct ar9170 *ar); -static bool ar9170_tx_ampdu(struct ar9170 *ar); static inline u16 ar9170_get_seq_h(struct ieee80211_hdr *hdr) { @@ -195,21 +190,7 @@ static inline u16 ar9170_get_seq(struct sk_buff *skb) return ar9170_get_seq_h((void *) txc->frame_data); } -static inline u16 ar9170_get_tid_h(struct ieee80211_hdr *hdr) -{ - return (ieee80211_get_qos_ctl(hdr))[0] & IEEE80211_QOS_CTL_TID_MASK; -} - -static inline u16 ar9170_get_tid(struct sk_buff *skb) -{ - struct ar9170_tx_control *txc = (void *) skb->data; - return ar9170_get_tid_h((struct ieee80211_hdr *) txc->frame_data); -} - -#define GET_NEXT_SEQ(seq) ((seq + 1) & 0x0fff) -#define GET_NEXT_SEQ_FROM_SKB(skb) (GET_NEXT_SEQ(ar9170_get_seq(skb))) - -#if (defined AR9170_QUEUE_DEBUG) || (defined AR9170_TXAGG_DEBUG) +#ifdef AR9170_QUEUE_DEBUG static void ar9170_print_txheader(struct ar9170 *ar, struct sk_buff *skb) { struct ar9170_tx_control *txc = (void *) skb->data; @@ -244,7 +225,7 @@ static void __ar9170_dump_txqueue(struct ar9170 *ar, "mismatch %d != %d\n", skb_queue_len(queue), i); printk(KERN_DEBUG "---[ end ]---\n"); } -#endif /* AR9170_QUEUE_DEBUG || AR9170_TXAGG_DEBUG */ +#endif /* AR9170_QUEUE_DEBUG */ #ifdef AR9170_QUEUE_DEBUG static void ar9170_dump_txqueue(struct ar9170 *ar, @@ -275,20 +256,6 @@ static void __ar9170_dump_txstats(struct ar9170 *ar) } #endif /* AR9170_QUEUE_STOP_DEBUG */ -#ifdef AR9170_TXAGG_DEBUG -static void ar9170_dump_tx_status_ampdu(struct ar9170 *ar) -{ - unsigned long flags; - - spin_lock_irqsave(&ar->tx_status_ampdu.lock, flags); - printk(KERN_DEBUG "%s: A-MPDU tx_status queue =>\n", - wiphy_name(ar->hw->wiphy)); - __ar9170_dump_txqueue(ar, &ar->tx_status_ampdu); - spin_unlock_irqrestore(&ar->tx_status_ampdu.lock, flags); -} - -#endif /* AR9170_TXAGG_DEBUG */ - /* caller must guarantee exclusive access for _bin_ queue. */ static void ar9170_recycle_expired(struct ar9170 *ar, struct sk_buff_head *queue, @@ -360,70 +327,6 @@ static void ar9170_tx_status(struct ar9170 *ar, struct sk_buff *skb, ieee80211_tx_status_irqsafe(ar->hw, skb); } -static void ar9170_tx_fake_ampdu_status(struct ar9170 *ar) -{ - struct sk_buff_head success; - struct sk_buff *skb; - unsigned int i; - unsigned long queue_bitmap = 0; - - skb_queue_head_init(&success); - - while (skb_queue_len(&ar->tx_status_ampdu) > AR9170_NUM_TX_STATUS) - __skb_queue_tail(&success, skb_dequeue(&ar->tx_status_ampdu)); - - ar9170_recycle_expired(ar, &ar->tx_status_ampdu, &success); - -#ifdef AR9170_TXAGG_DEBUG - printk(KERN_DEBUG "%s: collected %d A-MPDU frames.\n", - wiphy_name(ar->hw->wiphy), skb_queue_len(&success)); - __ar9170_dump_txqueue(ar, &success); -#endif /* AR9170_TXAGG_DEBUG */ - - while ((skb = __skb_dequeue(&success))) { - struct ieee80211_tx_info *txinfo; - - queue_bitmap |= BIT(skb_get_queue_mapping(skb)); - - txinfo = IEEE80211_SKB_CB(skb); - ieee80211_tx_info_clear_status(txinfo); - - txinfo->flags |= IEEE80211_TX_STAT_ACK; - txinfo->status.rates[0].count = 1; - - skb_pull(skb, sizeof(struct ar9170_tx_control)); - ieee80211_tx_status_irqsafe(ar->hw, skb); - } - - for_each_set_bit(i, &queue_bitmap, BITS_PER_BYTE) { -#ifdef AR9170_QUEUE_STOP_DEBUG - printk(KERN_DEBUG "%s: wake queue %d\n", - wiphy_name(ar->hw->wiphy), i); - __ar9170_dump_txstats(ar); -#endif /* AR9170_QUEUE_STOP_DEBUG */ - ieee80211_wake_queue(ar->hw, i); - } - - if (queue_bitmap) - ar9170_tx(ar); -} - -static void ar9170_tx_ampdu_callback(struct ar9170 *ar, struct sk_buff *skb) -{ - struct ieee80211_tx_info *txinfo = IEEE80211_SKB_CB(skb); - struct ar9170_tx_info *arinfo = (void *) txinfo->rate_driver_data; - - arinfo->timeout = jiffies + - msecs_to_jiffies(AR9170_BA_TIMEOUT); - - skb_queue_tail(&ar->tx_status_ampdu, skb); - ar9170_tx_fake_ampdu_status(ar); - - if (atomic_dec_and_test(&ar->tx_ampdu_pending) && - !list_empty(&ar->tx_ampdu_list)) - ar9170_tx_ampdu(ar); -} - void ar9170_tx_callback(struct ar9170 *ar, struct sk_buff *skb) { struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); @@ -447,14 +350,10 @@ void ar9170_tx_callback(struct ar9170 *ar, struct sk_buff *skb) if (info->flags & IEEE80211_TX_CTL_NO_ACK) { ar9170_tx_status(ar, skb, AR9170_TX_STATUS_FAILED); } else { - if (info->flags & IEEE80211_TX_CTL_AMPDU) { - ar9170_tx_ampdu_callback(ar, skb); - } else { - arinfo->timeout = jiffies + - msecs_to_jiffies(AR9170_TX_TIMEOUT); + arinfo->timeout = jiffies + + msecs_to_jiffies(AR9170_TX_TIMEOUT); - skb_queue_tail(&ar->tx_status[queue], skb); - } + skb_queue_tail(&ar->tx_status[queue], skb); } if (!ar->tx_stats[queue].len && @@ -524,38 +423,6 @@ static struct sk_buff *ar9170_get_queued_skb(struct ar9170 *ar, return NULL; } -static void ar9170_handle_block_ack(struct ar9170 *ar, u16 count, u16 r) -{ - struct sk_buff *skb; - struct ieee80211_tx_info *txinfo; - - while (count) { - skb = ar9170_get_queued_skb(ar, NULL, &ar->tx_status_ampdu, r); - if (!skb) - break; - - txinfo = IEEE80211_SKB_CB(skb); - ieee80211_tx_info_clear_status(txinfo); - - /* FIXME: maybe more ? */ - txinfo->status.rates[0].count = 1; - - skb_pull(skb, sizeof(struct ar9170_tx_control)); - ieee80211_tx_status_irqsafe(ar->hw, skb); - count--; - } - -#ifdef AR9170_TXAGG_DEBUG - if (count) { - printk(KERN_DEBUG "%s: got %d more failed mpdus, but no more " - "suitable frames left in tx_status queue.\n", - wiphy_name(ar->hw->wiphy), count); - - ar9170_dump_tx_status_ampdu(ar); - } -#endif /* AR9170_TXAGG_DEBUG */ -} - /* * This worker tries to keeps an maintain tx_status queues. * So we can guarantee that incoming tx_status reports are @@ -592,8 +459,6 @@ static void ar9170_tx_janitor(struct work_struct *work) resched = true; } - ar9170_tx_fake_ampdu_status(ar); - if (!resched) return; @@ -673,10 +538,6 @@ void ar9170_handle_command_response(struct ar9170 *ar, void *buf, u32 len) case 0xc5: /* BlockACK events */ - ar9170_handle_block_ack(ar, - le16_to_cpu(cmd->ba_fail_cnt.failed), - le16_to_cpu(cmd->ba_fail_cnt.rate)); - ar9170_tx_fake_ampdu_status(ar); break; case 0xc6: @@ -1247,7 +1108,6 @@ static int ar9170_op_start(struct ieee80211_hw *hw) ar->global_ampdu_density = 6; ar->global_ampdu_factor = 3; - atomic_set(&ar->tx_ampdu_pending, 0); ar->bad_hw_nagger = jiffies; err = ar->open(ar); @@ -1310,40 +1170,10 @@ static void ar9170_op_stop(struct ieee80211_hw *hw) skb_queue_purge(&ar->tx_pending[i]); skb_queue_purge(&ar->tx_status[i]); } - skb_queue_purge(&ar->tx_status_ampdu); mutex_unlock(&ar->mutex); } -static void ar9170_tx_indicate_immba(struct ar9170 *ar, struct sk_buff *skb) -{ - struct ar9170_tx_control *txc = (void *) skb->data; - - txc->mac_control |= cpu_to_le16(AR9170_TX_MAC_IMM_AMPDU); -} - -static void ar9170_tx_copy_phy(struct ar9170 *ar, struct sk_buff *dst, - struct sk_buff *src) -{ - struct ar9170_tx_control *dst_txc, *src_txc; - struct ieee80211_tx_info *dst_info, *src_info; - struct ar9170_tx_info *dst_arinfo, *src_arinfo; - - src_txc = (void *) src->data; - src_info = IEEE80211_SKB_CB(src); - src_arinfo = (void *) src_info->rate_driver_data; - - dst_txc = (void *) dst->data; - dst_info = IEEE80211_SKB_CB(dst); - dst_arinfo = (void *) dst_info->rate_driver_data; - - dst_txc->phy_control = src_txc->phy_control; - - /* same MCS for the whole aggregate */ - memcpy(dst_info->driver_rates, src_info->driver_rates, - sizeof(dst_info->driver_rates)); -} - static int ar9170_tx_prepare(struct ar9170 *ar, struct sk_buff *skb) { struct ieee80211_hdr *hdr; @@ -1420,14 +1250,7 @@ static int ar9170_tx_prepare(struct ar9170 *ar, struct sk_buff *skb) txc->phy_control |= cpu_to_le32(queue << AR9170_TX_PHY_QOS_SHIFT); - if (info->flags & IEEE80211_TX_CTL_AMPDU) { - if (unlikely(!info->control.sta)) - goto err_out; - - txc->mac_control |= cpu_to_le16(AR9170_TX_MAC_AGGR); - } else { - txc->mac_control |= cpu_to_le16(AR9170_TX_MAC_RATE_PROBE); - } + txc->mac_control |= cpu_to_le16(AR9170_TX_MAC_RATE_PROBE); } return 0; @@ -1537,158 +1360,6 @@ static void ar9170_tx_prepare_phy(struct ar9170 *ar, struct sk_buff *skb) txc->phy_control |= cpu_to_le32(chains << AR9170_TX_PHY_TXCHAIN_SHIFT); } -static bool ar9170_tx_ampdu(struct ar9170 *ar) -{ - struct sk_buff_head agg; - struct ar9170_sta_tid *tid_info = NULL, *tmp; - struct sk_buff *skb, *first = NULL; - unsigned long flags, f2; - unsigned int i = 0; - u16 seq, queue, tmpssn; - bool run = false; - - skb_queue_head_init(&agg); - - spin_lock_irqsave(&ar->tx_ampdu_list_lock, flags); - if (list_empty(&ar->tx_ampdu_list)) { -#ifdef AR9170_TXAGG_DEBUG - printk(KERN_DEBUG "%s: aggregation list is empty.\n", - wiphy_name(ar->hw->wiphy)); -#endif /* AR9170_TXAGG_DEBUG */ - goto out_unlock; - } - - list_for_each_entry_safe(tid_info, tmp, &ar->tx_ampdu_list, list) { - if (tid_info->state != AR9170_TID_STATE_COMPLETE) { -#ifdef AR9170_TXAGG_DEBUG - printk(KERN_DEBUG "%s: dangling aggregation entry!\n", - wiphy_name(ar->hw->wiphy)); -#endif /* AR9170_TXAGG_DEBUG */ - continue; - } - - if (++i > 64) { -#ifdef AR9170_TXAGG_DEBUG - printk(KERN_DEBUG "%s: enough frames aggregated.\n", - wiphy_name(ar->hw->wiphy)); -#endif /* AR9170_TXAGG_DEBUG */ - break; - } - - queue = TID_TO_WME_AC(tid_info->tid); - - if (skb_queue_len(&ar->tx_pending[queue]) >= - AR9170_NUM_TX_AGG_MAX) { -#ifdef AR9170_TXAGG_DEBUG - printk(KERN_DEBUG "%s: queue %d full.\n", - wiphy_name(ar->hw->wiphy), queue); -#endif /* AR9170_TXAGG_DEBUG */ - continue; - } - - list_del_init(&tid_info->list); - - spin_lock_irqsave(&tid_info->queue.lock, f2); - tmpssn = seq = tid_info->ssn; - first = skb_peek(&tid_info->queue); - - if (likely(first)) - tmpssn = ar9170_get_seq(first); - - if (unlikely(tmpssn != seq)) { -#ifdef AR9170_TXAGG_DEBUG - printk(KERN_DEBUG "%s: ssn mismatch [%d != %d]\n.", - wiphy_name(ar->hw->wiphy), seq, tmpssn); -#endif /* AR9170_TXAGG_DEBUG */ - tid_info->ssn = tmpssn; - } - -#ifdef AR9170_TXAGG_DEBUG - printk(KERN_DEBUG "%s: generate A-MPDU for tid:%d ssn:%d with " - "%d queued frames.\n", wiphy_name(ar->hw->wiphy), - tid_info->tid, tid_info->ssn, - skb_queue_len(&tid_info->queue)); - __ar9170_dump_txqueue(ar, &tid_info->queue); -#endif /* AR9170_TXAGG_DEBUG */ - - while ((skb = skb_peek(&tid_info->queue))) { - if (unlikely(ar9170_get_seq(skb) != seq)) - break; - - __skb_unlink(skb, &tid_info->queue); - tid_info->ssn = seq = GET_NEXT_SEQ(seq); - - if (unlikely(skb_get_queue_mapping(skb) != queue)) { -#ifdef AR9170_TXAGG_DEBUG - printk(KERN_DEBUG "%s: tid:%d(q:%d) queue:%d " - "!match.\n", wiphy_name(ar->hw->wiphy), - tid_info->tid, - TID_TO_WME_AC(tid_info->tid), - skb_get_queue_mapping(skb)); -#endif /* AR9170_TXAGG_DEBUG */ - dev_kfree_skb_any(skb); - continue; - } - - if (unlikely(first == skb)) { - ar9170_tx_prepare_phy(ar, skb); - __skb_queue_tail(&agg, skb); - first = skb; - } else { - ar9170_tx_copy_phy(ar, skb, first); - __skb_queue_tail(&agg, skb); - } - - if (unlikely(skb_queue_len(&agg) == - AR9170_NUM_TX_AGG_MAX)) - break; - } - - if (skb_queue_empty(&tid_info->queue)) - tid_info->active = false; - else - list_add_tail(&tid_info->list, - &ar->tx_ampdu_list); - - spin_unlock_irqrestore(&tid_info->queue.lock, f2); - - if (unlikely(skb_queue_empty(&agg))) { -#ifdef AR9170_TXAGG_DEBUG - printk(KERN_DEBUG "%s: queued empty list!\n", - wiphy_name(ar->hw->wiphy)); -#endif /* AR9170_TXAGG_DEBUG */ - continue; - } - - /* - * tell the FW/HW that this is the last frame, - * that way it will wait for the immediate block ack. - */ - ar9170_tx_indicate_immba(ar, skb_peek_tail(&agg)); - -#ifdef AR9170_TXAGG_DEBUG - printk(KERN_DEBUG "%s: generated A-MPDU looks like this:\n", - wiphy_name(ar->hw->wiphy)); - __ar9170_dump_txqueue(ar, &agg); -#endif /* AR9170_TXAGG_DEBUG */ - - spin_unlock_irqrestore(&ar->tx_ampdu_list_lock, flags); - - spin_lock_irqsave(&ar->tx_pending[queue].lock, flags); - skb_queue_splice_tail_init(&agg, &ar->tx_pending[queue]); - spin_unlock_irqrestore(&ar->tx_pending[queue].lock, flags); - run = true; - - spin_lock_irqsave(&ar->tx_ampdu_list_lock, flags); - } - -out_unlock: - spin_unlock_irqrestore(&ar->tx_ampdu_list_lock, flags); - __skb_queue_purge(&agg); - - return run; -} - static void ar9170_tx(struct ar9170 *ar) { struct sk_buff *skb; @@ -1763,9 +1434,6 @@ static void ar9170_tx(struct ar9170 *ar) arinfo->timeout = jiffies + msecs_to_jiffies(AR9170_TX_TIMEOUT); - if (info->flags & IEEE80211_TX_CTL_AMPDU) - atomic_inc(&ar->tx_ampdu_pending); - #ifdef AR9170_QUEUE_DEBUG printk(KERN_DEBUG "%s: send frame q:%d =>\n", wiphy_name(ar->hw->wiphy), i); @@ -1774,9 +1442,6 @@ static void ar9170_tx(struct ar9170 *ar) err = ar->tx(ar, skb); if (unlikely(err)) { - if (info->flags & IEEE80211_TX_CTL_AMPDU) - atomic_dec(&ar->tx_ampdu_pending); - frames_failed++; dev_kfree_skb_any(skb); } else { @@ -1823,94 +1488,11 @@ static void ar9170_tx(struct ar9170 *ar) msecs_to_jiffies(AR9170_JANITOR_DELAY)); } -static bool ar9170_tx_ampdu_queue(struct ar9170 *ar, struct sk_buff *skb) -{ - struct ieee80211_tx_info *txinfo; - struct ar9170_sta_info *sta_info; - struct ar9170_sta_tid *agg; - struct sk_buff *iter; - unsigned long flags, f2; - unsigned int max; - u16 tid, seq, qseq; - bool run = false, queue = false; - - tid = ar9170_get_tid(skb); - seq = ar9170_get_seq(skb); - txinfo = IEEE80211_SKB_CB(skb); - sta_info = (void *) txinfo->control.sta->drv_priv; - agg = &sta_info->agg[tid]; - max = sta_info->ampdu_max_len; - - spin_lock_irqsave(&ar->tx_ampdu_list_lock, flags); - - if (unlikely(agg->state != AR9170_TID_STATE_COMPLETE)) { -#ifdef AR9170_TXAGG_DEBUG - printk(KERN_DEBUG "%s: BlockACK session not fully initialized " - "for ESS:%pM tid:%d state:%d.\n", - wiphy_name(ar->hw->wiphy), agg->addr, agg->tid, - agg->state); -#endif /* AR9170_TXAGG_DEBUG */ - goto err_unlock; - } - - if (!agg->active) { - agg->active = true; - agg->ssn = seq; - queue = true; - } - - /* check if seq is within the BA window */ - if (unlikely(!BAW_WITHIN(agg->ssn, max, seq))) { -#ifdef AR9170_TXAGG_DEBUG - printk(KERN_DEBUG "%s: frame with tid:%d seq:%d does not " - "fit into BA window (%d - %d)\n", - wiphy_name(ar->hw->wiphy), tid, seq, agg->ssn, - (agg->ssn + max) & 0xfff); -#endif /* AR9170_TXAGG_DEBUG */ - goto err_unlock; - } - - spin_lock_irqsave(&agg->queue.lock, f2); - - skb_queue_reverse_walk(&agg->queue, iter) { - qseq = ar9170_get_seq(iter); - - if (GET_NEXT_SEQ(qseq) == seq) { - __skb_queue_after(&agg->queue, iter, skb); - goto queued; - } - } - - __skb_queue_head(&agg->queue, skb); - -queued: - spin_unlock_irqrestore(&agg->queue.lock, f2); - -#ifdef AR9170_TXAGG_DEBUG - printk(KERN_DEBUG "%s: new aggregate %p queued.\n", - wiphy_name(ar->hw->wiphy), skb); - __ar9170_dump_txqueue(ar, &agg->queue); -#endif /* AR9170_TXAGG_DEBUG */ - - if (skb_queue_len(&agg->queue) >= AR9170_NUM_TX_AGG_MAX) - run = true; - - if (queue) - list_add_tail(&agg->list, &ar->tx_ampdu_list); - - spin_unlock_irqrestore(&ar->tx_ampdu_list_lock, flags); - return run; - -err_unlock: - spin_unlock_irqrestore(&ar->tx_ampdu_list_lock, flags); - dev_kfree_skb_irq(skb); - return false; -} - int ar9170_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) { struct ar9170 *ar = hw->priv; struct ieee80211_tx_info *info; + unsigned int queue; if (unlikely(!IS_STARTED(ar))) goto err_free; @@ -1918,18 +1500,10 @@ int ar9170_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) if (unlikely(ar9170_tx_prepare(ar, skb))) goto err_free; + queue = skb_get_queue_mapping(skb); info = IEEE80211_SKB_CB(skb); - if (info->flags & IEEE80211_TX_CTL_AMPDU) { - bool run = ar9170_tx_ampdu_queue(ar, skb); - - if (run || !atomic_read(&ar->tx_ampdu_pending)) - ar9170_tx_ampdu(ar); - } else { - unsigned int queue = skb_get_queue_mapping(skb); - - ar9170_tx_prepare_phy(ar, skb); - skb_queue_tail(&ar->tx_pending[queue], skb); - } + ar9170_tx_prepare_phy(ar, skb); + skb_queue_tail(&ar->tx_pending[queue], skb); ar9170_tx(ar); return NETDEV_TX_OK; @@ -2326,57 +1900,6 @@ out: return err; } -static int ar9170_sta_add(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - struct ieee80211_sta *sta) -{ - struct ar9170 *ar = hw->priv; - struct ar9170_sta_info *sta_info = (void *) sta->drv_priv; - unsigned int i; - - memset(sta_info, 0, sizeof(*sta_info)); - - if (!sta->ht_cap.ht_supported) - return 0; - - if (sta->ht_cap.ampdu_density > ar->global_ampdu_density) - ar->global_ampdu_density = sta->ht_cap.ampdu_density; - - if (sta->ht_cap.ampdu_factor < ar->global_ampdu_factor) - ar->global_ampdu_factor = sta->ht_cap.ampdu_factor; - - for (i = 0; i < AR9170_NUM_TID; i++) { - sta_info->agg[i].state = AR9170_TID_STATE_SHUTDOWN; - sta_info->agg[i].active = false; - sta_info->agg[i].ssn = 0; - sta_info->agg[i].tid = i; - INIT_LIST_HEAD(&sta_info->agg[i].list); - skb_queue_head_init(&sta_info->agg[i].queue); - } - - sta_info->ampdu_max_len = 1 << (3 + sta->ht_cap.ampdu_factor); - - return 0; -} - -static int ar9170_sta_remove(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - struct ieee80211_sta *sta) -{ - struct ar9170_sta_info *sta_info = (void *) sta->drv_priv; - unsigned int i; - - if (!sta->ht_cap.ht_supported) - return 0; - - for (i = 0; i < AR9170_NUM_TID; i++) { - sta_info->agg[i].state = AR9170_TID_STATE_INVALID; - skb_queue_purge(&sta_info->agg[i].queue); - } - - return 0; -} - static int ar9170_get_stats(struct ieee80211_hw *hw, struct ieee80211_low_level_stats *stats) { @@ -2419,55 +1942,7 @@ static int ar9170_ampdu_action(struct ieee80211_hw *hw, enum ieee80211_ampdu_mlme_action action, struct ieee80211_sta *sta, u16 tid, u16 *ssn) { - struct ar9170 *ar = hw->priv; - struct ar9170_sta_info *sta_info = (void *) sta->drv_priv; - struct ar9170_sta_tid *tid_info = &sta_info->agg[tid]; - unsigned long flags; - - if (!modparam_ht) - return -EOPNOTSUPP; - switch (action) { - case IEEE80211_AMPDU_TX_START: - spin_lock_irqsave(&ar->tx_ampdu_list_lock, flags); - if (tid_info->state != AR9170_TID_STATE_SHUTDOWN || - !list_empty(&tid_info->list)) { - spin_unlock_irqrestore(&ar->tx_ampdu_list_lock, flags); -#ifdef AR9170_TXAGG_DEBUG - printk(KERN_INFO "%s: A-MPDU [ESS:[%pM] tid:[%d]] " - "is in a very bad state!\n", - wiphy_name(hw->wiphy), sta->addr, tid); -#endif /* AR9170_TXAGG_DEBUG */ - return -EBUSY; - } - - *ssn = tid_info->ssn; - tid_info->state = AR9170_TID_STATE_PROGRESS; - tid_info->active = false; - spin_unlock_irqrestore(&ar->tx_ampdu_list_lock, flags); - ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid); - break; - - case IEEE80211_AMPDU_TX_STOP: - spin_lock_irqsave(&ar->tx_ampdu_list_lock, flags); - tid_info->state = AR9170_TID_STATE_SHUTDOWN; - list_del_init(&tid_info->list); - tid_info->active = false; - skb_queue_purge(&tid_info->queue); - spin_unlock_irqrestore(&ar->tx_ampdu_list_lock, flags); - ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); - break; - - case IEEE80211_AMPDU_TX_OPERATIONAL: -#ifdef AR9170_TXAGG_DEBUG - printk(KERN_INFO "%s: A-MPDU for %pM [tid:%d] Operational.\n", - wiphy_name(hw->wiphy), sta->addr, tid); -#endif /* AR9170_TXAGG_DEBUG */ - spin_lock_irqsave(&ar->tx_ampdu_list_lock, flags); - sta_info->agg[tid].state = AR9170_TID_STATE_COMPLETE; - spin_unlock_irqrestore(&ar->tx_ampdu_list_lock, flags); - break; - case IEEE80211_AMPDU_RX_START: case IEEE80211_AMPDU_RX_STOP: /* Handled by firmware */ @@ -2493,8 +1968,6 @@ static const struct ieee80211_ops ar9170_ops = { .bss_info_changed = ar9170_op_bss_info_changed, .get_tsf = ar9170_op_get_tsf, .set_key = ar9170_set_key, - .sta_add = ar9170_sta_add, - .sta_remove = ar9170_sta_remove, .get_stats = ar9170_get_stats, .ampdu_action = ar9170_ampdu_action, }; @@ -2527,8 +2000,6 @@ void *ar9170_alloc(size_t priv_size) mutex_init(&ar->mutex); spin_lock_init(&ar->cmdlock); spin_lock_init(&ar->tx_stats_lock); - spin_lock_init(&ar->tx_ampdu_list_lock); - skb_queue_head_init(&ar->tx_status_ampdu); for (i = 0; i < __AR9170_NUM_TXQ; i++) { skb_queue_head_init(&ar->tx_status[i]); skb_queue_head_init(&ar->tx_pending[i]); @@ -2536,7 +2007,6 @@ void *ar9170_alloc(size_t priv_size) ar9170_rx_reset_rx_mpdu(ar); INIT_WORK(&ar->beacon_work, ar9170_new_beacon); INIT_DELAYED_WORK(&ar->tx_janitor, ar9170_tx_janitor); - INIT_LIST_HEAD(&ar->tx_ampdu_list); /* all hw supports 2.4 GHz, so set channel to 1 by default */ ar->channel = &ar9170_2ghz_chantable[0]; @@ -2549,16 +2019,8 @@ void *ar9170_alloc(size_t priv_size) IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING | IEEE80211_HW_SIGNAL_DBM; - if (modparam_ht) { - ar->hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION; - } else { - ar9170_band_2GHz.ht_cap.ht_supported = false; - ar9170_band_5GHz.ht_cap.ht_supported = false; - } - ar->hw->queues = __AR9170_NUM_TXQ; ar->hw->extra_tx_headroom = 8; - ar->hw->sta_data_size = sizeof(struct ar9170_sta_info); ar->hw->max_rates = 1; ar->hw->max_rate_tries = 3; diff --git a/drivers/net/wireless/ath/ath5k/ani.c b/drivers/net/wireless/ath/ath5k/ani.c index 584a328..f2311ab 100644 --- a/drivers/net/wireless/ath/ath5k/ani.c +++ b/drivers/net/wireless/ath/ath5k/ani.c @@ -73,7 +73,7 @@ ath5k_ani_set_noise_immunity_level(struct ath5k_hw *ah, int level) const s8 hi[] = { -14, -12 }; const s8 fr[] = { -78, -80 }; #endif - if (level < 0 || level > ARRAY_SIZE(sz)) { + if (level < 0 || level >= ARRAY_SIZE(sz)) { ATH5K_DBG_UNLIMIT(ah->ah_sc, ATH5K_DEBUG_ANI, "level out of range %d", level); return; @@ -104,7 +104,7 @@ ath5k_ani_set_spur_immunity_level(struct ath5k_hw *ah, int level) { const int val[] = { 2, 4, 6, 8, 10, 12, 14, 16 }; - if (level < 0 || level > ARRAY_SIZE(val) || + if (level < 0 || level >= ARRAY_SIZE(val) || level > ah->ah_sc->ani_state.max_spur_level) { ATH5K_DBG_UNLIMIT(ah->ah_sc, ATH5K_DEBUG_ANI, "level out of range %d", level); @@ -129,7 +129,7 @@ ath5k_ani_set_firstep_level(struct ath5k_hw *ah, int level) { const int val[] = { 0, 4, 8 }; - if (level < 0 || level > ARRAY_SIZE(val)) { + if (level < 0 || level >= ARRAY_SIZE(val)) { ATH5K_DBG_UNLIMIT(ah->ah_sc, ATH5K_DEBUG_ANI, "level out of range %d", level); return; diff --git a/drivers/net/wireless/ath/ath9k/ar9003_initvals.h b/drivers/net/wireless/ath/ath9k/ar9003_initvals.h index a131cd1..ef6116e 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_initvals.h +++ b/drivers/net/wireless/ath/ath9k/ar9003_initvals.h @@ -541,7 +541,7 @@ static const u32 ar9300_2p0_mac_postamble[][5] = { static const u32 ar9300_2p0_soc_postamble[][5] = { /* Addr 5G_HT20 5G_HT40 2G_HT40 2G_HT20 */ - {0x00007010, 0x00000023, 0x00000023, 0x00000022, 0x00000022}, + {0x00007010, 0x00000023, 0x00000023, 0x00000023, 0x00000023}, }; static const u32 ar9200_merlin_2p0_radio_core[][2] = { @@ -588,12 +588,12 @@ static const u32 ar9200_merlin_2p0_radio_core[][2] = { static const u32 ar9300_2p0_baseband_postamble[][5] = { /* Addr 5G_HT20 5G_HT40 2G_HT40 2G_HT20 */ - {0x00009810, 0xd00a8005, 0xd00a8005, 0xd00a8005, 0xd00a8005}, + {0x00009810, 0xd00a8005, 0xd00a8005, 0xd00a8005, 0xd00a800b}, {0x00009820, 0x206a022e, 0x206a022e, 0x206a012e, 0x206a012e}, {0x00009824, 0x5ac640d0, 0x5ac640d0, 0x5ac640d0, 0x5ac640d0}, {0x00009828, 0x06903081, 0x06903081, 0x06903881, 0x06903881}, {0x0000982c, 0x05eea6d4, 0x05eea6d4, 0x05eea6d4, 0x05eea6d4}, - {0x00009830, 0x0000059c, 0x0000059c, 0x0000059c, 0x0000059c}, + {0x00009830, 0x0000059c, 0x0000059c, 0x0000059c, 0x00000b9c}, {0x00009c00, 0x00000044, 0x000000c4, 0x000000c4, 0x00000044}, {0x00009e00, 0x0372161e, 0x0372161e, 0x037216a0, 0x037216a0}, {0x00009e04, 0x00802020, 0x00802020, 0x00802020, 0x00802020}, @@ -744,7 +744,7 @@ static const u32 ar9300_2p0_baseband_core[][2] = { {0x0000a408, 0x0e79e5c6}, {0x0000a40c, 0x00820820}, {0x0000a414, 0x1ce739ce}, - {0x0000a418, 0x7d001dce}, + {0x0000a418, 0x2d001dce}, {0x0000a41c, 0x1ce739ce}, {0x0000a420, 0x000001ce}, {0x0000a424, 0x1ce739ce}, @@ -756,7 +756,7 @@ static const u32 ar9300_2p0_baseband_core[][2] = { {0x0000a43c, 0x00000000}, {0x0000a440, 0x00000000}, {0x0000a444, 0x00000000}, - {0x0000a448, 0x07000080}, + {0x0000a448, 0x04000080}, {0x0000a44c, 0x00000001}, {0x0000a450, 0x00010000}, {0x0000a458, 0x00000000}, @@ -777,7 +777,7 @@ static const u32 ar9300_2p0_baseband_core[][2] = { {0x0000a638, 0x00000000}, {0x0000a63c, 0x00000000}, {0x0000a640, 0x00000000}, - {0x0000a644, 0x3ffd9d74}, + {0x0000a644, 0x3fad9d74}, {0x0000a648, 0x0048060a}, {0x0000a64c, 0x00000637}, {0x0000a670, 0x03020100}, @@ -835,9 +835,9 @@ static const u32 ar9300_2p0_baseband_core[][2] = { static const u32 ar9300Modes_high_power_tx_gain_table_2p0[][5] = { /* Addr 5G_HT20 5G_HT40 2G_HT40 2G_HT20 */ - {0x0000a410, 0x000050db, 0x000050db, 0x000050d9, 0x000050d9}, - {0x0000a500, 0x00020220, 0x00020220, 0x00000000, 0x00000000}, - {0x0000a504, 0x06020223, 0x06020223, 0x04000002, 0x04000002}, + {0x0000a410, 0x000050d9, 0x000050d9, 0x000050d9, 0x000050d9}, + {0x0000a500, 0x00002220, 0x00002220, 0x00000000, 0x00000000}, + {0x0000a504, 0x06002223, 0x06002223, 0x04000002, 0x04000002}, {0x0000a508, 0x0a022220, 0x0a022220, 0x08000004, 0x08000004}, {0x0000a50c, 0x0f022223, 0x0f022223, 0x0b000200, 0x0b000200}, {0x0000a510, 0x14022620, 0x14022620, 0x0f000202, 0x0f000202}, @@ -848,28 +848,28 @@ static const u32 ar9300Modes_high_power_tx_gain_table_2p0[][5] = { {0x0000a524, 0x28023042, 0x28023042, 0x1f000a02, 0x1f000a02}, {0x0000a528, 0x2c023044, 0x2c023044, 0x23000a04, 0x23000a04}, {0x0000a52c, 0x2f023644, 0x2f023644, 0x26000a20, 0x26000a20}, - {0x0000a530, 0x34043643, 0x34043643, 0x2a000e20, 0x2a000e20}, - {0x0000a534, 0x38043a44, 0x38043a44, 0x2e000e22, 0x2e000e22}, - {0x0000a538, 0x3b043e45, 0x3b043e45, 0x31000e24, 0x31000e24}, - {0x0000a53c, 0x40063e46, 0x40063e46, 0x34001640, 0x34001640}, - {0x0000a540, 0x44083e46, 0x44083e46, 0x38001660, 0x38001660}, - {0x0000a544, 0x46083e66, 0x46083e66, 0x3b001861, 0x3b001861}, - {0x0000a548, 0x4b0a3e69, 0x4b0a3e69, 0x3e001a81, 0x3e001a81}, - {0x0000a54c, 0x4f0a5e66, 0x4f0a5e66, 0x42001a83, 0x42001a83}, - {0x0000a550, 0x540a7e66, 0x540a7e66, 0x44001c84, 0x44001c84}, - {0x0000a554, 0x570a7e89, 0x570a7e89, 0x48001ce3, 0x48001ce3}, - {0x0000a558, 0x5c0e7e8a, 0x5c0e7e8a, 0x4c001ce5, 0x4c001ce5}, - {0x0000a55c, 0x60127e8b, 0x60127e8b, 0x50001ce9, 0x50001ce9}, - {0x0000a560, 0x65127ecc, 0x65127ecc, 0x54001ceb, 0x54001ceb}, - {0x0000a564, 0x6b169ecd, 0x6b169ecd, 0x56001eec, 0x56001eec}, - {0x0000a568, 0x70169f0e, 0x70169f0e, 0x56001eec, 0x56001eec}, - {0x0000a56c, 0x75169f4f, 0x75169f4f, 0x56001eec, 0x56001eec}, - {0x0000a570, 0x75169f4f, 0x75169f4f, 0x56001eec, 0x56001eec}, - {0x0000a574, 0x75169f4f, 0x75169f4f, 0x56001eec, 0x56001eec}, - {0x0000a578, 0x75169f4f, 0x75169f4f, 0x56001eec, 0x56001eec}, - {0x0000a57c, 0x75169f4f, 0x75169f4f, 0x56001eec, 0x56001eec}, - {0x0000a580, 0x00820220, 0x00820220, 0x00800000, 0x00800000}, - {0x0000a584, 0x06820223, 0x06820223, 0x04800002, 0x04800002}, + {0x0000a530, 0x34025643, 0x34025643, 0x2a000e20, 0x2a000e20}, + {0x0000a534, 0x38025a44, 0x38025a44, 0x2e000e22, 0x2e000e22}, + {0x0000a538, 0x3b025e45, 0x3b025e45, 0x31000e24, 0x31000e24}, + {0x0000a53c, 0x41025e4a, 0x41025e4a, 0x34001640, 0x34001640}, + {0x0000a540, 0x48025e6c, 0x48025e6c, 0x38001660, 0x38001660}, + {0x0000a544, 0x4e025e8e, 0x4e025e8e, 0x3b001861, 0x3b001861}, + {0x0000a548, 0x53025eb2, 0x53025eb2, 0x3e001a81, 0x3e001a81}, + {0x0000a54c, 0x59025eb5, 0x59025eb5, 0x42001a83, 0x42001a83}, + {0x0000a550, 0x5f025ef6, 0x5f025ef6, 0x44001c84, 0x44001c84}, + {0x0000a554, 0x62025f56, 0x62025f56, 0x48001ce3, 0x48001ce3}, + {0x0000a558, 0x66027f56, 0x66027f56, 0x4c001ce5, 0x4c001ce5}, + {0x0000a55c, 0x6a029f56, 0x6a029f56, 0x50001ce9, 0x50001ce9}, + {0x0000a560, 0x70049f56, 0x70049f56, 0x54001ceb, 0x54001ceb}, + {0x0000a564, 0x7504ff56, 0x7504ff56, 0x56001eec, 0x56001eec}, + {0x0000a568, 0x7504ff56, 0x7504ff56, 0x56001eec, 0x56001eec}, + {0x0000a56c, 0x7504ff56, 0x7504ff56, 0x56001eec, 0x56001eec}, + {0x0000a570, 0x7504ff56, 0x7504ff56, 0x56001eec, 0x56001eec}, + {0x0000a574, 0x7504ff56, 0x7504ff56, 0x56001eec, 0x56001eec}, + {0x0000a578, 0x7504ff56, 0x7504ff56, 0x56001eec, 0x56001eec}, + {0x0000a57c, 0x7504ff56, 0x7504ff56, 0x56001eec, 0x56001eec}, + {0x0000a580, 0x00802220, 0x00802220, 0x00800000, 0x00800000}, + {0x0000a584, 0x06802223, 0x06802223, 0x04800002, 0x04800002}, {0x0000a588, 0x0a822220, 0x0a822220, 0x08800004, 0x08800004}, {0x0000a58c, 0x0f822223, 0x0f822223, 0x0b800200, 0x0b800200}, {0x0000a590, 0x14822620, 0x14822620, 0x0f800202, 0x0f800202}, @@ -880,42 +880,42 @@ static const u32 ar9300Modes_high_power_tx_gain_table_2p0[][5] = { {0x0000a5a4, 0x28823042, 0x28823042, 0x1f800a02, 0x1f800a02}, {0x0000a5a8, 0x2c823044, 0x2c823044, 0x23800a04, 0x23800a04}, {0x0000a5ac, 0x2f823644, 0x2f823644, 0x26800a20, 0x26800a20}, - {0x0000a5b0, 0x34843643, 0x34843643, 0x2a800e20, 0x2a800e20}, - {0x0000a5b4, 0x38843a44, 0x38843a44, 0x2e800e22, 0x2e800e22}, - {0x0000a5b8, 0x3b843e45, 0x3b843e45, 0x31800e24, 0x31800e24}, - {0x0000a5bc, 0x40863e46, 0x40863e46, 0x34801640, 0x34801640}, - {0x0000a5c0, 0x4c8a3065, 0x44883e46, 0x44883e46, 0x38801660}, - {0x0000a5c4, 0x46883e66, 0x46883e66, 0x3b801861, 0x3b801861}, - {0x0000a5c8, 0x4b8a3e69, 0x4b8a3e69, 0x3e801a81, 0x3e801a81}, - {0x0000a5cc, 0x4f8a5e66, 0x4f8a5e66, 0x42801a83, 0x42801a83}, - {0x0000a5d0, 0x548a7e66, 0x548a7e66, 0x44801c84, 0x44801c84}, - {0x0000a5d4, 0x578a7e89, 0x578a7e89, 0x48801ce3, 0x48801ce3}, - {0x0000a5d8, 0x5c8e7e8a, 0x5c8e7e8a, 0x4c801ce5, 0x4c801ce5}, - {0x0000a5dc, 0x60927e8b, 0x60927e8b, 0x50801ce9, 0x50801ce9}, - {0x0000a5e0, 0x65927ecc, 0x65927ecc, 0x54801ceb, 0x54801ceb}, - {0x0000a5e4, 0x6b969ecd, 0x6b969ecd, 0x56801eec, 0x56801eec}, - {0x0000a5e8, 0x70969f0e, 0x70969f0e, 0x56801eec, 0x56801eec}, - {0x0000a5ec, 0x75969f4f, 0x75969f4f, 0x56801eec, 0x56801eec}, - {0x0000a5f0, 0x75969f4f, 0x75969f4f, 0x56801eec, 0x56801eec}, - {0x0000a5f4, 0x75969f4f, 0x75969f4f, 0x56801eec, 0x56801eec}, - {0x0000a5f8, 0x75969f4f, 0x75969f4f, 0x56801eec, 0x56801eec}, - {0x0000a5fc, 0x75969f4f, 0x75969f4f, 0x56801eec, 0x56801eec}, + {0x0000a5b0, 0x34825643, 0x34825643, 0x2a800e20, 0x2a800e20}, + {0x0000a5b4, 0x38825a44, 0x38825a44, 0x2e800e22, 0x2e800e22}, + {0x0000a5b8, 0x3b825e45, 0x3b825e45, 0x31800e24, 0x31800e24}, + {0x0000a5bc, 0x41825e4a, 0x41825e4a, 0x34801640, 0x34801640}, + {0x0000a5c0, 0x48825e6c, 0x48825e6c, 0x38801660, 0x38801660}, + {0x0000a5c4, 0x4e825e8e, 0x4e825e8e, 0x3b801861, 0x3b801861}, + {0x0000a5c8, 0x53825eb2, 0x53825eb2, 0x3e801a81, 0x3e801a81}, + {0x0000a5cc, 0x59825eb5, 0x59825eb5, 0x42801a83, 0x42801a83}, + {0x0000a5d0, 0x5f825ef6, 0x5f825ef6, 0x44801c84, 0x44801c84}, + {0x0000a5d4, 0x62825f56, 0x62825f56, 0x48801ce3, 0x48801ce3}, + {0x0000a5d8, 0x66827f56, 0x66827f56, 0x4c801ce5, 0x4c801ce5}, + {0x0000a5dc, 0x6a829f56, 0x6a829f56, 0x50801ce9, 0x50801ce9}, + {0x0000a5e0, 0x70849f56, 0x70849f56, 0x54801ceb, 0x54801ceb}, + {0x0000a5e4, 0x7584ff56, 0x7584ff56, 0x56801eec, 0x56801eec}, + {0x0000a5e8, 0x7584ff56, 0x7584ff56, 0x56801eec, 0x56801eec}, + {0x0000a5ec, 0x7584ff56, 0x7584ff56, 0x56801eec, 0x56801eec}, + {0x0000a5f0, 0x7584ff56, 0x7584ff56, 0x56801eec, 0x56801eec}, + {0x0000a5f4, 0x7584ff56, 0x7584ff56, 0x56801eec, 0x56801eec}, + {0x0000a5f8, 0x7584ff56, 0x7584ff56, 0x56801eec, 0x56801eec}, + {0x0000a5fc, 0x7584ff56, 0x7584ff56, 0x56801eec, 0x56801eec}, {0x00016044, 0x056db2e6, 0x056db2e6, 0x056db2e6, 0x056db2e6}, - {0x00016048, 0xad241a61, 0xad241a61, 0xad241a61, 0xad241a61}, + {0x00016048, 0xae481a61, 0xae481a61, 0xae481a61, 0xae481a61}, {0x00016068, 0x6eb6db6c, 0x6eb6db6c, 0x6eb6db6c, 0x6eb6db6c}, {0x00016444, 0x056db2e6, 0x056db2e6, 0x056db2e6, 0x056db2e6}, - {0x00016448, 0xad241a61, 0xad241a61, 0xad241a61, 0xad241a61}, + {0x00016448, 0xae481a61, 0xae481a61, 0xae481a61, 0xae481a61}, {0x00016468, 0x6eb6db6c, 0x6eb6db6c, 0x6eb6db6c, 0x6eb6db6c}, {0x00016844, 0x056db2e6, 0x056db2e6, 0x056db2e6, 0x056db2e6}, - {0x00016848, 0xad241a61, 0xad241a61, 0xad241a61, 0xad241a61}, + {0x00016848, 0xae481a61, 0xae481a61, 0xae481a61, 0xae481a61}, {0x00016868, 0x6eb6db6c, 0x6eb6db6c, 0x6eb6db6c, 0x6eb6db6c}, }; static const u32 ar9300Modes_high_ob_db_tx_gain_table_2p0[][5] = { /* Addr 5G_HT20 5G_HT40 2G_HT40 2G_HT20 */ - {0x0000a410, 0x000050db, 0x000050db, 0x000050d9, 0x000050d9}, - {0x0000a500, 0x00020220, 0x00020220, 0x00000000, 0x00000000}, - {0x0000a504, 0x06020223, 0x06020223, 0x04000002, 0x04000002}, + {0x0000a410, 0x000050d9, 0x000050d9, 0x000050d9, 0x000050d9}, + {0x0000a500, 0x00002220, 0x00002220, 0x00000000, 0x00000000}, + {0x0000a504, 0x06002223, 0x06002223, 0x04000002, 0x04000002}, {0x0000a508, 0x0a022220, 0x0a022220, 0x08000004, 0x08000004}, {0x0000a50c, 0x0f022223, 0x0f022223, 0x0b000200, 0x0b000200}, {0x0000a510, 0x14022620, 0x14022620, 0x0f000202, 0x0f000202}, @@ -926,28 +926,28 @@ static const u32 ar9300Modes_high_ob_db_tx_gain_table_2p0[][5] = { {0x0000a524, 0x28023042, 0x28023042, 0x1f000a02, 0x1f000a02}, {0x0000a528, 0x2c023044, 0x2c023044, 0x23000a04, 0x23000a04}, {0x0000a52c, 0x2f023644, 0x2f023644, 0x26000a20, 0x26000a20}, - {0x0000a530, 0x34043643, 0x34043643, 0x2a000e20, 0x2a000e20}, - {0x0000a534, 0x38043a44, 0x38043a44, 0x2e000e22, 0x2e000e22}, - {0x0000a538, 0x3b043e45, 0x3b043e45, 0x31000e24, 0x31000e24}, - {0x0000a53c, 0x40063e46, 0x40063e46, 0x34001640, 0x34001640}, - {0x0000a540, 0x44083e46, 0x44083e46, 0x38001660, 0x38001660}, - {0x0000a544, 0x46083e66, 0x46083e66, 0x3b001861, 0x3b001861}, - {0x0000a548, 0x4b0a3e69, 0x4b0a3e69, 0x3e001a81, 0x3e001a81}, - {0x0000a54c, 0x4f0a5e66, 0x4f0a5e66, 0x42001a83, 0x42001a83}, - {0x0000a550, 0x540a7e66, 0x540a7e66, 0x44001c84, 0x44001c84}, - {0x0000a554, 0x570a7e89, 0x570a7e89, 0x48001ce3, 0x48001ce3}, - {0x0000a558, 0x5c0e7e8a, 0x5c0e7e8a, 0x4c001ce5, 0x4c001ce5}, - {0x0000a55c, 0x60127e8b, 0x60127e8b, 0x50001ce9, 0x50001ce9}, - {0x0000a560, 0x65127ecc, 0x65127ecc, 0x54001ceb, 0x54001ceb}, - {0x0000a564, 0x6b169ecd, 0x6b169ecd, 0x56001eec, 0x56001eec}, - {0x0000a568, 0x70169f0e, 0x70169f0e, 0x56001eec, 0x56001eec}, - {0x0000a56c, 0x75169f4f, 0x75169f4f, 0x56001eec, 0x56001eec}, - {0x0000a570, 0x75169f4f, 0x75169f4f, 0x56001eec, 0x56001eec}, - {0x0000a574, 0x75169f4f, 0x75169f4f, 0x56001eec, 0x56001eec}, - {0x0000a578, 0x75169f4f, 0x75169f4f, 0x56001eec, 0x56001eec}, - {0x0000a57c, 0x75169f4f, 0x75169f4f, 0x56001eec, 0x56001eec}, - {0x0000a580, 0x00820220, 0x00820220, 0x00800000, 0x00800000}, - {0x0000a584, 0x06820223, 0x06820223, 0x04800002, 0x04800002}, + {0x0000a530, 0x34025643, 0x34025643, 0x2a000e20, 0x2a000e20}, + {0x0000a534, 0x38025a44, 0x38025a44, 0x2e000e22, 0x2e000e22}, + {0x0000a538, 0x3b025e45, 0x3b025e45, 0x31000e24, 0x31000e24}, + {0x0000a53c, 0x41025e4a, 0x41025e4a, 0x34001640, 0x34001640}, + {0x0000a540, 0x48025e6c, 0x48025e6c, 0x38001660, 0x38001660}, + {0x0000a544, 0x4e025e8e, 0x4e025e8e, 0x3b001861, 0x3b001861}, + {0x0000a548, 0x53025eb2, 0x53025eb2, 0x3e001a81, 0x3e001a81}, + {0x0000a54c, 0x59025eb5, 0x59025eb5, 0x42001a83, 0x42001a83}, + {0x0000a550, 0x5f025ef6, 0x5f025ef6, 0x44001c84, 0x44001c84}, + {0x0000a554, 0x62025f56, 0x62025f56, 0x48001ce3, 0x48001ce3}, + {0x0000a558, 0x66027f56, 0x66027f56, 0x4c001ce5, 0x4c001ce5}, + {0x0000a55c, 0x6a029f56, 0x6a029f56, 0x50001ce9, 0x50001ce9}, + {0x0000a560, 0x70049f56, 0x70049f56, 0x54001ceb, 0x54001ceb}, + {0x0000a564, 0x7504ff56, 0x7504ff56, 0x56001eec, 0x56001eec}, + {0x0000a568, 0x7504ff56, 0x7504ff56, 0x56001eec, 0x56001eec}, + {0x0000a56c, 0x7504ff56, 0x7504ff56, 0x56001eec, 0x56001eec}, + {0x0000a570, 0x7504ff56, 0x7504ff56, 0x56001eec, 0x56001eec}, + {0x0000a574, 0x7504ff56, 0x7504ff56, 0x56001eec, 0x56001eec}, + {0x0000a578, 0x7504ff56, 0x7504ff56, 0x56001eec, 0x56001eec}, + {0x0000a57c, 0x7504ff56, 0x7504ff56, 0x56001eec, 0x56001eec}, + {0x0000a580, 0x00802220, 0x00802220, 0x00800000, 0x00800000}, + {0x0000a584, 0x06802223, 0x06802223, 0x04800002, 0x04800002}, {0x0000a588, 0x0a822220, 0x0a822220, 0x08800004, 0x08800004}, {0x0000a58c, 0x0f822223, 0x0f822223, 0x0b800200, 0x0b800200}, {0x0000a590, 0x14822620, 0x14822620, 0x0f800202, 0x0f800202}, @@ -958,34 +958,34 @@ static const u32 ar9300Modes_high_ob_db_tx_gain_table_2p0[][5] = { {0x0000a5a4, 0x28823042, 0x28823042, 0x1f800a02, 0x1f800a02}, {0x0000a5a8, 0x2c823044, 0x2c823044, 0x23800a04, 0x23800a04}, {0x0000a5ac, 0x2f823644, 0x2f823644, 0x26800a20, 0x26800a20}, - {0x0000a5b0, 0x34843643, 0x34843643, 0x2a800e20, 0x2a800e20}, - {0x0000a5b4, 0x38843a44, 0x38843a44, 0x2e800e22, 0x2e800e22}, - {0x0000a5b8, 0x3b843e45, 0x3b843e45, 0x31800e24, 0x31800e24}, - {0x0000a5bc, 0x40863e46, 0x40863e46, 0x34801640, 0x34801640}, - {0x0000a5c0, 0x44883e46, 0x44883e46, 0x38801660, 0x38801660}, - {0x0000a5c4, 0x46883e66, 0x46883e66, 0x3b801861, 0x3b801861}, - {0x0000a5c8, 0x4b8a3e69, 0x4b8a3e69, 0x3e801a81, 0x3e801a81}, - {0x0000a5cc, 0x4f8a5e66, 0x4f8a5e66, 0x42801a83, 0x42801a83}, - {0x0000a5d0, 0x548a7e66, 0x548a7e66, 0x44801c84, 0x44801c84}, - {0x0000a5d4, 0x578a7e89, 0x578a7e89, 0x48801ce3, 0x48801ce3}, - {0x0000a5d8, 0x5c8e7e8a, 0x5c8e7e8a, 0x4c801ce5, 0x4c801ce5}, - {0x0000a5dc, 0x60927e8b, 0x60927e8b, 0x50801ce9, 0x50801ce9}, - {0x0000a5e0, 0x65927ecc, 0x65927ecc, 0x54801ceb, 0x54801ceb}, - {0x0000a5e4, 0x6b969ecd, 0x6b969ecd, 0x56801eec, 0x56801eec}, - {0x0000a5e8, 0x70969f0e, 0x70969f0e, 0x56801eec, 0x56801eec}, - {0x0000a5ec, 0x75969f4f, 0x75969f4f, 0x56801eec, 0x56801eec}, - {0x0000a5f0, 0x75969f4f, 0x75969f4f, 0x56801eec, 0x56801eec}, - {0x0000a5f4, 0x75969f4f, 0x75969f4f, 0x56801eec, 0x56801eec}, - {0x0000a5f8, 0x75969f4f, 0x75969f4f, 0x56801eec, 0x56801eec}, - {0x0000a5fc, 0x75969f4f, 0x75969f4f, 0x56801eec, 0x56801eec}, + {0x0000a5b0, 0x34825643, 0x34825643, 0x2a800e20, 0x2a800e20}, + {0x0000a5b4, 0x38825a44, 0x38825a44, 0x2e800e22, 0x2e800e22}, + {0x0000a5b8, 0x3b825e45, 0x3b825e45, 0x31800e24, 0x31800e24}, + {0x0000a5bc, 0x41825e4a, 0x41825e4a, 0x34801640, 0x34801640}, + {0x0000a5c0, 0x48825e6c, 0x48825e6c, 0x38801660, 0x38801660}, + {0x0000a5c4, 0x4e825e8e, 0x4e825e8e, 0x3b801861, 0x3b801861}, + {0x0000a5c8, 0x53825eb2, 0x53825eb2, 0x3e801a81, 0x3e801a81}, + {0x0000a5cc, 0x59825eb5, 0x59825eb5, 0x42801a83, 0x42801a83}, + {0x0000a5d0, 0x5f825ef6, 0x5f825ef6, 0x44801c84, 0x44801c84}, + {0x0000a5d4, 0x62825f56, 0x62825f56, 0x48801ce3, 0x48801ce3}, + {0x0000a5d8, 0x66827f56, 0x66827f56, 0x4c801ce5, 0x4c801ce5}, + {0x0000a5dc, 0x6a829f56, 0x6a829f56, 0x50801ce9, 0x50801ce9}, + {0x0000a5e0, 0x70849f56, 0x70849f56, 0x54801ceb, 0x54801ceb}, + {0x0000a5e4, 0x7584ff56, 0x7584ff56, 0x56801eec, 0x56801eec}, + {0x0000a5e8, 0x7584ff56, 0x7584ff56, 0x56801eec, 0x56801eec}, + {0x0000a5ec, 0x7584ff56, 0x7584ff56, 0x56801eec, 0x56801eec}, + {0x0000a5f0, 0x7584ff56, 0x7584ff56, 0x56801eec, 0x56801eec}, + {0x0000a5f4, 0x7584ff56, 0x7584ff56, 0x56801eec, 0x56801eec}, + {0x0000a5f8, 0x7584ff56, 0x7584ff56, 0x56801eec, 0x56801eec}, + {0x0000a5fc, 0x7584ff56, 0x7584ff56, 0x56801eec, 0x56801eec}, {0x00016044, 0x056db2e4, 0x056db2e4, 0x056db2e4, 0x056db2e4}, - {0x00016048, 0x8c001a61, 0x8c001a61, 0x8c001a61, 0x8c001a61}, + {0x00016048, 0x8e481a61, 0x8e481a61, 0x8e481a61, 0x8e481a61}, {0x00016068, 0x6db6db6c, 0x6db6db6c, 0x6db6db6c, 0x6db6db6c}, {0x00016444, 0x056db2e4, 0x056db2e4, 0x056db2e4, 0x056db2e4}, - {0x00016448, 0x8c001a61, 0x8c001a61, 0x8c001a61, 0x8c001a61}, + {0x00016448, 0x8e481a61, 0x8e481a61, 0x8e481a61, 0x8e481a61}, {0x00016468, 0x6db6db6c, 0x6db6db6c, 0x6db6db6c, 0x6db6db6c}, {0x00016844, 0x056db2e4, 0x056db2e4, 0x056db2e4, 0x056db2e4}, - {0x00016848, 0x8c001a61, 0x8c001a61, 0x8c001a61, 0x8c001a61}, + {0x00016848, 0x8e481a61, 0x8e481a61, 0x8e481a61, 0x8e481a61}, {0x00016868, 0x6db6db6c, 0x6db6db6c, 0x6db6db6c, 0x6db6db6c}, }; diff --git a/drivers/net/wireless/ath/ath9k/common.c b/drivers/net/wireless/ath/ath9k/common.c index b4424a6..7707341 100644 --- a/drivers/net/wireless/ath/ath9k/common.c +++ b/drivers/net/wireless/ath/ath9k/common.c @@ -57,13 +57,19 @@ static bool ath9k_rx_accept(struct ath_common *common, * rs_more indicates chained descriptors which can be used * to link buffers together for a sort of scatter-gather * operation. - * + * reject the frame, we don't support scatter-gather yet and + * the frame is probably corrupt anyway + */ + if (rx_stats->rs_more) + return false; + + /* * The rx_stats->rs_status will not be set until the end of the * chained descriptors so it can be ignored if rs_more is set. The * rs_more will be false at the last element of the chained * descriptors. */ - if (!rx_stats->rs_more && rx_stats->rs_status != 0) { + if (rx_stats->rs_status != 0) { if (rx_stats->rs_status & ATH9K_RXERR_CRC) rxs->flag |= RX_FLAG_FAILED_FCS_CRC; if (rx_stats->rs_status & ATH9K_RXERR_PHY) @@ -102,11 +108,11 @@ static bool ath9k_rx_accept(struct ath_common *common, return true; } -static u8 ath9k_process_rate(struct ath_common *common, - struct ieee80211_hw *hw, - struct ath_rx_status *rx_stats, - struct ieee80211_rx_status *rxs, - struct sk_buff *skb) +static int ath9k_process_rate(struct ath_common *common, + struct ieee80211_hw *hw, + struct ath_rx_status *rx_stats, + struct ieee80211_rx_status *rxs, + struct sk_buff *skb) { struct ieee80211_supported_band *sband; enum ieee80211_band band; @@ -122,25 +128,32 @@ static u8 ath9k_process_rate(struct ath_common *common, rxs->flag |= RX_FLAG_40MHZ; if (rx_stats->rs_flags & ATH9K_RX_GI) rxs->flag |= RX_FLAG_SHORT_GI; - return rx_stats->rs_rate & 0x7f; + rxs->rate_idx = rx_stats->rs_rate & 0x7f; + return 0; } for (i = 0; i < sband->n_bitrates; i++) { - if (sband->bitrates[i].hw_value == rx_stats->rs_rate) - return i; + if (sband->bitrates[i].hw_value == rx_stats->rs_rate) { + rxs->rate_idx = i; + return 0; + } if (sband->bitrates[i].hw_value_short == rx_stats->rs_rate) { rxs->flag |= RX_FLAG_SHORTPRE; - return i; + rxs->rate_idx = i; + return 0; } } - /* No valid hardware bitrate found -- we should not get here */ + /* + * No valid hardware bitrate found -- we should not get here + * because hardware has already validated this frame as OK. + */ ath_print(common, ATH_DBG_XMIT, "unsupported hw bitrate detected " "0x%02x using 1 Mbit\n", rx_stats->rs_rate); if ((common->debug_mask & ATH_DBG_XMIT)) print_hex_dump_bytes("", DUMP_PREFIX_NONE, skb->data, skb->len); - return 0; + return -EINVAL; } static void ath9k_process_rssi(struct ath_common *common, @@ -202,13 +215,19 @@ int ath9k_cmn_rx_skb_preprocess(struct ath_common *common, struct ath_hw *ah = common->ah; memset(rx_status, 0, sizeof(struct ieee80211_rx_status)); + + /* + * everything but the rate is checked here, the rate check is done + * separately to avoid doing two lookups for a rate for each frame. + */ if (!ath9k_rx_accept(common, skb, rx_status, rx_stats, decrypt_error)) return -EINVAL; ath9k_process_rssi(common, hw, skb, rx_stats); - rx_status->rate_idx = ath9k_process_rate(common, hw, - rx_stats, rx_status, skb); + if (ath9k_process_rate(common, hw, rx_stats, rx_status, skb)) + return -EINVAL; + rx_status->mactime = ath9k_hw_extend_tsf(ah, rx_stats->rs_tstamp); rx_status->band = hw->conf.channel->band; rx_status->freq = hw->conf.channel->center_freq; diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h index 1ae18bb..ad556aa 100644 --- a/drivers/net/wireless/ath/ath9k/htc.h +++ b/drivers/net/wireless/ath/ath9k/htc.h @@ -356,7 +356,6 @@ struct ath9k_htc_priv { u16 seq_no; u32 bmiss_cnt; - struct sk_buff *beacon; spinlock_t beacon_lock; bool tx_queues_stop; @@ -408,13 +407,13 @@ static inline void ath_read_cachesize(struct ath_common *common, int *csz) void ath9k_htc_beacon_config(struct ath9k_htc_priv *priv, struct ieee80211_vif *vif); void ath9k_htc_swba(struct ath9k_htc_priv *priv, u8 beacon_pending); -void ath9k_htc_beacon_update(struct ath9k_htc_priv *priv, - struct ieee80211_vif *vif); void ath9k_htc_rxep(void *priv, struct sk_buff *skb, enum htc_endpoint_id ep_id); void ath9k_htc_txep(void *priv, struct sk_buff *skb, enum htc_endpoint_id ep_id, bool txok); +void ath9k_htc_beaconep(void *drv_priv, struct sk_buff *skb, + enum htc_endpoint_id ep_id, bool txok); void ath9k_htc_station_work(struct work_struct *work); void ath9k_htc_aggr_work(struct work_struct *work); diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c b/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c index 7cb55f5..c10c7d0 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c @@ -165,22 +165,10 @@ static void ath9k_htc_beacon_config_adhoc(struct ath9k_htc_priv *priv, WMI_CMD_BUF(WMI_ENABLE_INTR_CMDID, &htc_imask); } -void ath9k_htc_beacon_update(struct ath9k_htc_priv *priv, - struct ieee80211_vif *vif) +void ath9k_htc_beaconep(void *drv_priv, struct sk_buff *skb, + enum htc_endpoint_id ep_id, bool txok) { - struct ath_common *common = ath9k_hw_common(priv->ah); - - spin_lock_bh(&priv->beacon_lock); - - if (priv->beacon) - dev_kfree_skb_any(priv->beacon); - - priv->beacon = ieee80211_beacon_get(priv->hw, vif); - if (!priv->beacon) - ath_print(common, ATH_DBG_BEACON, - "Unable to allocate beacon\n"); - - spin_unlock_bh(&priv->beacon_lock); + dev_kfree_skb_any(skb); } void ath9k_htc_swba(struct ath9k_htc_priv *priv, u8 beacon_pending) @@ -189,6 +177,7 @@ void ath9k_htc_swba(struct ath9k_htc_priv *priv, u8 beacon_pending) struct tx_beacon_header beacon_hdr; struct ath9k_htc_tx_ctl tx_ctl; struct ieee80211_tx_info *info; + struct sk_buff *beacon; u8 *tx_fhdr; memset(&beacon_hdr, 0, sizeof(struct tx_beacon_header)); @@ -207,25 +196,17 @@ void ath9k_htc_swba(struct ath9k_htc_priv *priv, u8 beacon_pending) return; } - if (unlikely(priv->beacon == NULL)) { - spin_unlock_bh(&priv->beacon_lock); - return; - } - - /* Free the old SKB first */ - dev_kfree_skb_any(priv->beacon); - /* Get a new beacon */ - priv->beacon = ieee80211_beacon_get(priv->hw, priv->vif); - if (!priv->beacon) { + beacon = ieee80211_beacon_get(priv->hw, priv->vif); + if (!beacon) { spin_unlock_bh(&priv->beacon_lock); return; } - info = IEEE80211_SKB_CB(priv->beacon); + info = IEEE80211_SKB_CB(beacon); if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) { struct ieee80211_hdr *hdr = - (struct ieee80211_hdr *) priv->beacon->data; + (struct ieee80211_hdr *) beacon->data; priv->seq_no += 0x10; hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG); hdr->seq_ctrl |= cpu_to_le16(priv->seq_no); @@ -233,10 +214,10 @@ void ath9k_htc_swba(struct ath9k_htc_priv *priv, u8 beacon_pending) tx_ctl.type = ATH9K_HTC_NORMAL; beacon_hdr.vif_index = avp->index; - tx_fhdr = skb_push(priv->beacon, sizeof(beacon_hdr)); + tx_fhdr = skb_push(beacon, sizeof(beacon_hdr)); memcpy(tx_fhdr, (u8 *) &beacon_hdr, sizeof(beacon_hdr)); - htc_send(priv->htc, priv->beacon, priv->beacon_ep, &tx_ctl); + htc_send(priv->htc, beacon, priv->beacon_ep, &tx_ctl); spin_unlock_bh(&priv->beacon_lock); } diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c index 701f2ef..17111fc 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c @@ -144,7 +144,7 @@ static int ath9k_init_htc_services(struct ath9k_htc_priv *priv) goto err; /* Beacon */ - ret = ath9k_htc_connect_svc(priv, WMI_BEACON_SVC, NULL, + ret = ath9k_htc_connect_svc(priv, WMI_BEACON_SVC, ath9k_htc_beaconep, &priv->beacon_ep); if (ret) goto err; diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c index ca7f3a7..6c386da 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c @@ -461,11 +461,11 @@ static int ath9k_htc_aggr_oper(struct ath9k_htc_priv *priv, struct ath_common *common = ath9k_hw_common(priv->ah); struct ath9k_htc_target_aggr aggr; struct ieee80211_sta *sta = NULL; - struct ath9k_htc_sta *ista = (struct ath9k_htc_sta *) sta->drv_priv; + struct ath9k_htc_sta *ista; int ret = 0; u8 cmd_rsp; - if (tid > ATH9K_HTC_MAX_TID) + if (tid >= ATH9K_HTC_MAX_TID) return -EINVAL; memset(&aggr, 0, sizeof(struct ath9k_htc_target_aggr)); @@ -1099,7 +1099,7 @@ fail_tx: return 0; } -static int ath9k_htc_radio_enable(struct ieee80211_hw *hw) +static int ath9k_htc_radio_enable(struct ieee80211_hw *hw, bool led) { struct ath9k_htc_priv *priv = hw->priv; struct ath_hw *ah = priv->ah; @@ -1147,6 +1147,13 @@ static int ath9k_htc_radio_enable(struct ieee80211_hw *hw) priv->tx_queues_stop = false; spin_unlock_bh(&priv->tx_lock); + if (led) { + /* Enable LED */ + ath9k_hw_cfg_output(ah, ah->led_pin, + AR_GPIO_OUTPUT_MUX_AS_OUTPUT); + ath9k_hw_set_gpio(ah, ah->led_pin, 0); + } + ieee80211_wake_queues(hw); return ret; @@ -1158,13 +1165,13 @@ static int ath9k_htc_start(struct ieee80211_hw *hw) int ret = 0; mutex_lock(&priv->mutex); - ret = ath9k_htc_radio_enable(hw); + ret = ath9k_htc_radio_enable(hw, false); mutex_unlock(&priv->mutex); return ret; } -static void ath9k_htc_radio_disable(struct ieee80211_hw *hw) +static void ath9k_htc_radio_disable(struct ieee80211_hw *hw, bool led) { struct ath9k_htc_priv *priv = hw->priv; struct ath_hw *ah = priv->ah; @@ -1177,6 +1184,12 @@ static void ath9k_htc_radio_disable(struct ieee80211_hw *hw) return; } + if (led) { + /* Disable LED */ + ath9k_hw_set_gpio(ah, ah->led_pin, 1); + ath9k_hw_cfg_gpio_input(ah, ah->led_pin); + } + /* Cancel all the running timers/work .. */ cancel_work_sync(&priv->ps_work); cancel_delayed_work_sync(&priv->ath9k_ani_work); @@ -1217,7 +1230,7 @@ static void ath9k_htc_stop(struct ieee80211_hw *hw) struct ath9k_htc_priv *priv = hw->priv; mutex_lock(&priv->mutex); - ath9k_htc_radio_disable(hw); + ath9k_htc_radio_disable(hw, false); mutex_unlock(&priv->mutex); } @@ -1313,15 +1326,6 @@ static void ath9k_htc_remove_interface(struct ieee80211_hw *hw, priv->nvifs--; ath9k_htc_remove_station(priv, vif, NULL); - - if (vif->type == NL80211_IFTYPE_ADHOC) { - spin_lock_bh(&priv->beacon_lock); - if (priv->beacon) - dev_kfree_skb_any(priv->beacon); - priv->beacon = NULL; - spin_unlock_bh(&priv->beacon_lock); - } - priv->vif = NULL; mutex_unlock(&priv->mutex); @@ -1346,7 +1350,7 @@ static int ath9k_htc_config(struct ieee80211_hw *hw, u32 changed) if (enable_radio) { ath9k_htc_setpower(priv, ATH9K_PM_AWAKE); - ath9k_htc_radio_enable(hw); + ath9k_htc_radio_enable(hw, true); ath_print(common, ATH_DBG_CONFIG, "not-idle: enabling radio\n"); } @@ -1398,10 +1402,9 @@ static int ath9k_htc_config(struct ieee80211_hw *hw, u32 changed) if (priv->ps_idle) { ath_print(common, ATH_DBG_CONFIG, "idle: disabling radio\n"); - ath9k_htc_radio_disable(hw); + ath9k_htc_radio_disable(hw, true); } - mutex_unlock(&priv->mutex); return 0; @@ -1590,9 +1593,6 @@ static void ath9k_htc_bss_info_changed(struct ieee80211_hw *hw, ath9k_htc_beacon_config(priv, vif); } - if (changed & BSS_CHANGED_BEACON) - ath9k_htc_beacon_update(priv, vif); - if ((changed & BSS_CHANGED_BEACON_ENABLED) && !bss_conf->enable_beacon) { priv->op_flags &= ~OP_ENABLE_BEACON; diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 5590192..c33f17d 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -574,6 +574,26 @@ static int __ath9k_hw_init(struct ath_hw *ah) ath9k_hw_init_mode_regs(ah); + /* + * Configire PCIE after Ini init. SERDES values now come from ini file + * This enables PCIe low power mode. + */ + if (AR_SREV_9300_20_OR_LATER(ah)) { + u32 regval; + unsigned int i; + + /* Set Bits 16 and 17 in the AR_WA register. */ + regval = REG_READ(ah, AR_WA); + regval |= 0x00030000; + REG_WRITE(ah, AR_WA, regval); + + for (i = 0; i < ah->iniPcieSerdesLowPower.ia_rows; i++) { + REG_WRITE(ah, + INI_RA(&ah->iniPcieSerdesLowPower, i, 0), + INI_RA(&ah->iniPcieSerdesLowPower, i, 1)); + } + } + if (ah->is_pciexpress) ath9k_hw_configpcipowersave(ah, 0, 0); else diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c index 17197a7..99b876a 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945.c +++ b/drivers/net/wireless/iwlwifi/iwl-3945.c @@ -2483,7 +2483,6 @@ int iwl3945_hw_set_hw_params(struct iwl_priv *priv) &priv->_3945.shared_phys, GFP_KERNEL); if (!priv->_3945.shared_virt) { IWL_ERR(priv, "failed to allocate pci memory\n"); - mutex_unlock(&priv->mutex); return -ENOMEM; } diff --git a/drivers/net/wireless/libertas/cfg.c b/drivers/net/wireless/libertas/cfg.c index ce7bec4..9d5d3cc 100644 --- a/drivers/net/wireless/libertas/cfg.c +++ b/drivers/net/wireless/libertas/cfg.c @@ -79,6 +79,7 @@ static const u32 cipher_suites[] = { static int lbs_cfg_set_channel(struct wiphy *wiphy, + struct net_device *netdev, struct ieee80211_channel *chan, enum nl80211_channel_type channel_type) { diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index 9fd2bea..6f8cb3e 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -652,17 +652,17 @@ static void mac80211_hwsim_beacon(unsigned long arg) add_timer(&data->beacon_timer); } +static const char *hwsim_chantypes[] = { + [NL80211_CHAN_NO_HT] = "noht", + [NL80211_CHAN_HT20] = "ht20", + [NL80211_CHAN_HT40MINUS] = "ht40-", + [NL80211_CHAN_HT40PLUS] = "ht40+", +}; static int mac80211_hwsim_config(struct ieee80211_hw *hw, u32 changed) { struct mac80211_hwsim_data *data = hw->priv; struct ieee80211_conf *conf = &hw->conf; - static const char *chantypes[4] = { - [NL80211_CHAN_NO_HT] = "noht", - [NL80211_CHAN_HT20] = "ht20", - [NL80211_CHAN_HT40MINUS] = "ht40-", - [NL80211_CHAN_HT40PLUS] = "ht40+", - }; static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = { [IEEE80211_SMPS_AUTOMATIC] = "auto", [IEEE80211_SMPS_OFF] = "off", @@ -673,7 +673,7 @@ static int mac80211_hwsim_config(struct ieee80211_hw *hw, u32 changed) printk(KERN_DEBUG "%s:%s (freq=%d/%s idle=%d ps=%d smps=%s)\n", wiphy_name(hw->wiphy), __func__, conf->channel->center_freq, - chantypes[conf->channel_type], + hwsim_chantypes[conf->channel_type], !!(conf->flags & IEEE80211_CONF_IDLE), !!(conf->flags & IEEE80211_CONF_PS), smps_modes[conf->smps_mode]); @@ -761,9 +761,10 @@ static void mac80211_hwsim_bss_info_changed(struct ieee80211_hw *hw, } if (changed & BSS_CHANGED_HT) { - printk(KERN_DEBUG " %s: HT: op_mode=0x%x\n", + printk(KERN_DEBUG " %s: HT: op_mode=0x%x, chantype=%s\n", wiphy_name(hw->wiphy), - info->ht_operation_mode); + info->ht_operation_mode, + hwsim_chantypes[info->channel_type]); } if (changed & BSS_CHANGED_BASIC_RATES) { diff --git a/drivers/net/wireless/orinoco/cfg.c b/drivers/net/wireless/orinoco/cfg.c index 81d228d..8c4169c 100644 --- a/drivers/net/wireless/orinoco/cfg.c +++ b/drivers/net/wireless/orinoco/cfg.c @@ -159,6 +159,7 @@ static int orinoco_scan(struct wiphy *wiphy, struct net_device *dev, } static int orinoco_set_channel(struct wiphy *wiphy, + struct net_device *netdev, struct ieee80211_channel *chan, enum nl80211_channel_type channel_type) { diff --git a/drivers/net/wireless/orinoco/main.c b/drivers/net/wireless/orinoco/main.c index 884a777..97e954e 100644 --- a/drivers/net/wireless/orinoco/main.c +++ b/drivers/net/wireless/orinoco/main.c @@ -340,18 +340,109 @@ EXPORT_SYMBOL(orinoco_change_mtu); /* Tx path */ /********************************************************************/ +/* Add encapsulation and MIC to the existing SKB. + * The main xmit routine will then send the whole lot to the card. + * Need 8 bytes headroom + * Need 8 bytes tailroom + * + * With encapsulated ethernet II frame + * -------- + * 803.3 header (14 bytes) + * dst[6] + * -------- src[6] + * 803.3 header (14 bytes) len[2] + * dst[6] 803.2 header (8 bytes) + * src[6] encaps[6] + * len[2] <- leave alone -> len[2] + * -------- -------- <-- 0 + * Payload Payload + * ... ... + * + * -------- -------- + * MIC (8 bytes) + * -------- + * + * returns 0 on success, -ENOMEM on error. + */ +int orinoco_process_xmit_skb(struct sk_buff *skb, + struct net_device *dev, + struct orinoco_private *priv, + int *tx_control, + u8 *mic_buf) +{ + struct orinoco_tkip_key *key; + struct ethhdr *eh; + int do_mic; + + key = (struct orinoco_tkip_key *) priv->keys[priv->tx_key].key; + + do_mic = ((priv->encode_alg == ORINOCO_ALG_TKIP) && + (key != NULL)); + + if (do_mic) + *tx_control |= (priv->tx_key << HERMES_MIC_KEY_ID_SHIFT) | + HERMES_TXCTRL_MIC; + + eh = (struct ethhdr *)skb->data; + + /* Encapsulate Ethernet-II frames */ + if (ntohs(eh->h_proto) > ETH_DATA_LEN) { /* Ethernet-II frame */ + struct header_struct { + struct ethhdr eth; /* 802.3 header */ + u8 encap[6]; /* 802.2 header */ + } __attribute__ ((packed)) hdr; + int len = skb->len + sizeof(encaps_hdr) - (2 * ETH_ALEN); + + if (skb_headroom(skb) < ENCAPS_OVERHEAD) { + if (net_ratelimit()) + printk(KERN_ERR + "%s: Not enough headroom for 802.2 headers %d\n", + dev->name, skb_headroom(skb)); + return -ENOMEM; + } + + /* Fill in new header */ + memcpy(&hdr.eth, eh, 2 * ETH_ALEN); + hdr.eth.h_proto = htons(len); + memcpy(hdr.encap, encaps_hdr, sizeof(encaps_hdr)); + + /* Make room for the new header, and copy it in */ + eh = (struct ethhdr *) skb_push(skb, ENCAPS_OVERHEAD); + memcpy(eh, &hdr, sizeof(hdr)); + } + + /* Calculate Michael MIC */ + if (do_mic) { + size_t len = skb->len - ETH_HLEN; + u8 *mic = &mic_buf[0]; + + /* Have to write to an even address, so copy the spare + * byte across */ + if (skb->len % 2) { + *mic = skb->data[skb->len - 1]; + mic++; + } + + orinoco_mic(priv->tx_tfm_mic, key->tx_mic, + eh->h_dest, eh->h_source, 0 /* priority */, + skb->data + ETH_HLEN, + len, mic); + } + + return 0; +} +EXPORT_SYMBOL(orinoco_process_xmit_skb); + static netdev_tx_t orinoco_xmit(struct sk_buff *skb, struct net_device *dev) { struct orinoco_private *priv = ndev_priv(dev); struct net_device_stats *stats = &priv->stats; - struct orinoco_tkip_key *key; hermes_t *hw = &priv->hw; int err = 0; u16 txfid = priv->txfid; - struct ethhdr *eh; int tx_control; unsigned long flags; - int do_mic; + u8 mic_buf[MICHAEL_MIC_LEN+1]; if (!netif_running(dev)) { printk(KERN_ERR "%s: Tx on stopped device!\n", @@ -383,16 +474,12 @@ static netdev_tx_t orinoco_xmit(struct sk_buff *skb, struct net_device *dev) if (skb->len < ETH_HLEN) goto drop; - key = (struct orinoco_tkip_key *) priv->keys[priv->tx_key].key; - - do_mic = ((priv->encode_alg == ORINOCO_ALG_TKIP) && - (key != NULL)); - tx_control = HERMES_TXCTRL_TX_OK | HERMES_TXCTRL_TX_EX; - if (do_mic) - tx_control |= (priv->tx_key << HERMES_MIC_KEY_ID_SHIFT) | - HERMES_TXCTRL_MIC; + err = orinoco_process_xmit_skb(skb, dev, priv, &tx_control, + &mic_buf[0]); + if (err) + goto drop; if (priv->has_alt_txcntl) { /* WPA enabled firmwares have tx_cntl at the end of @@ -435,34 +522,6 @@ static netdev_tx_t orinoco_xmit(struct sk_buff *skb, struct net_device *dev) HERMES_802_3_OFFSET - HERMES_802_11_OFFSET); } - eh = (struct ethhdr *)skb->data; - - /* Encapsulate Ethernet-II frames */ - if (ntohs(eh->h_proto) > ETH_DATA_LEN) { /* Ethernet-II frame */ - struct header_struct { - struct ethhdr eth; /* 802.3 header */ - u8 encap[6]; /* 802.2 header */ - } __attribute__ ((packed)) hdr; - - /* Strip destination and source from the data */ - skb_pull(skb, 2 * ETH_ALEN); - - /* And move them to a separate header */ - memcpy(&hdr.eth, eh, 2 * ETH_ALEN); - hdr.eth.h_proto = htons(sizeof(encaps_hdr) + skb->len); - memcpy(hdr.encap, encaps_hdr, sizeof(encaps_hdr)); - - /* Insert the SNAP header */ - if (skb_headroom(skb) < sizeof(hdr)) { - printk(KERN_ERR - "%s: Not enough headroom for 802.2 headers %d\n", - dev->name, skb_headroom(skb)); - goto drop; - } - eh = (struct ethhdr *) skb_push(skb, sizeof(hdr)); - memcpy(eh, &hdr, sizeof(hdr)); - } - err = hw->ops->bap_pwrite(hw, USER_BAP, skb->data, skb->len, txfid, HERMES_802_3_OFFSET); if (err) { @@ -471,32 +530,16 @@ static netdev_tx_t orinoco_xmit(struct sk_buff *skb, struct net_device *dev) goto busy; } - /* Calculate Michael MIC */ - if (do_mic) { - u8 mic_buf[MICHAEL_MIC_LEN + 1]; - u8 *mic; - size_t offset; - size_t len; + if (tx_control & HERMES_TXCTRL_MIC) { + size_t offset = HERMES_802_3_OFFSET + skb->len; + size_t len = MICHAEL_MIC_LEN; - if (skb->len % 2) { - /* MIC start is on an odd boundary */ - mic_buf[0] = skb->data[skb->len - 1]; - mic = &mic_buf[1]; - offset = skb->len - 1; - len = MICHAEL_MIC_LEN + 1; - } else { - mic = &mic_buf[0]; - offset = skb->len; - len = MICHAEL_MIC_LEN; + if (offset % 2) { + offset--; + len++; } - - orinoco_mic(priv->tx_tfm_mic, key->tx_mic, - eh->h_dest, eh->h_source, 0 /* priority */, - skb->data + ETH_HLEN, skb->len - ETH_HLEN, mic); - - /* Write the MIC */ err = hw->ops->bap_pwrite(hw, USER_BAP, &mic_buf[0], len, - txfid, HERMES_802_3_OFFSET + offset); + txfid, offset); if (err) { printk(KERN_ERR "%s: Error %d writing MIC to BAP\n", dev->name, err); @@ -2234,7 +2277,7 @@ int orinoco_if_add(struct orinoco_private *priv, /* we use the default eth_mac_addr for setting the MAC addr */ /* Reserve space in skb for the SNAP header */ - dev->hard_header_len += ENCAPS_OVERHEAD; + dev->needed_headroom = ENCAPS_OVERHEAD; netif_carrier_off(dev); diff --git a/drivers/net/wireless/orinoco/orinoco.h b/drivers/net/wireless/orinoco/orinoco.h index e9f415a..a6da86e 100644 --- a/drivers/net/wireless/orinoco/orinoco.h +++ b/drivers/net/wireless/orinoco/orinoco.h @@ -200,6 +200,12 @@ extern irqreturn_t orinoco_interrupt(int irq, void *dev_id); extern void __orinoco_ev_info(struct net_device *dev, hermes_t *hw); extern void __orinoco_ev_rx(struct net_device *dev, hermes_t *hw); +int orinoco_process_xmit_skb(struct sk_buff *skb, + struct net_device *dev, + struct orinoco_private *priv, + int *tx_control, + u8 *mic); + /* Common ndo functions exported for reuse by orinoco_usb */ int orinoco_open(struct net_device *dev); int orinoco_stop(struct net_device *dev); diff --git a/drivers/net/wireless/orinoco/orinoco_usb.c b/drivers/net/wireless/orinoco/orinoco_usb.c index e220933..78f089b 100644 --- a/drivers/net/wireless/orinoco/orinoco_usb.c +++ b/drivers/net/wireless/orinoco/orinoco_usb.c @@ -67,6 +67,7 @@ #include <linux/wireless.h> #include <linux/firmware.h> +#include "mic.h" #include "orinoco.h" #ifndef URB_ASYNC_UNLINK @@ -1198,11 +1199,9 @@ static netdev_tx_t ezusb_xmit(struct sk_buff *skb, struct net_device *dev) struct orinoco_private *priv = ndev_priv(dev); struct net_device_stats *stats = &priv->stats; struct ezusb_priv *upriv = priv->card; + u8 mic[MICHAEL_MIC_LEN+1]; int err = 0; - char *p; - struct ethhdr *eh; - int len, data_len, data_off; - __le16 tx_control; + int tx_control; unsigned long flags; struct request_context *ctx; u8 *buf; @@ -1222,7 +1221,7 @@ static netdev_tx_t ezusb_xmit(struct sk_buff *skb, struct net_device *dev) if (orinoco_lock(priv, &flags) != 0) { printk(KERN_ERR - "%s: orinoco_xmit() called while hw_unavailable\n", + "%s: ezusb_xmit() called while hw_unavailable\n", dev->name); return NETDEV_TX_BUSY; } @@ -1232,53 +1231,46 @@ static netdev_tx_t ezusb_xmit(struct sk_buff *skb, struct net_device *dev) /* Oops, the firmware hasn't established a connection, silently drop the packet (this seems to be the safest approach). */ - stats->tx_errors++; - orinoco_unlock(priv, &flags); - dev_kfree_skb(skb); - return NETDEV_TX_OK; + goto drop; } + /* Check packet length */ + if (skb->len < ETH_HLEN) + goto drop; + ctx = ezusb_alloc_ctx(upriv, EZUSB_RID_TX, 0); if (!ctx) - goto fail; + goto busy; memset(ctx->buf, 0, BULK_BUF_SIZE); buf = ctx->buf->data; - /* Length of the packet body */ - /* FIXME: what if the skb is smaller than this? */ - len = max_t(int, skb->len - ETH_HLEN, ETH_ZLEN - ETH_HLEN); - - eh = (struct ethhdr *) skb->data; - - tx_control = cpu_to_le16(0); - memcpy(buf, &tx_control, sizeof(tx_control)); - buf += sizeof(tx_control); - /* Encapsulate Ethernet-II frames */ - if (ntohs(eh->h_proto) > ETH_DATA_LEN) { /* Ethernet-II frame */ - struct header_struct *hdr = (void *) buf; - buf += sizeof(*hdr); - data_len = len; - data_off = sizeof(tx_control) + sizeof(*hdr); - p = skb->data + ETH_HLEN; - - /* 802.3 header */ - memcpy(hdr->dest, eh->h_dest, ETH_ALEN); - memcpy(hdr->src, eh->h_source, ETH_ALEN); - hdr->len = htons(data_len + ENCAPS_OVERHEAD); - - /* 802.2 header */ - memcpy(&hdr->dsap, &encaps_hdr, sizeof(encaps_hdr)); - - hdr->ethertype = eh->h_proto; - } else { /* IEEE 802.3 frame */ - data_len = len + ETH_HLEN; - data_off = sizeof(tx_control); - p = skb->data; + tx_control = 0; + + err = orinoco_process_xmit_skb(skb, dev, priv, &tx_control, + &mic[0]); + if (err) + goto drop; + + { + __le16 *tx_cntl = (__le16 *)buf; + *tx_cntl = cpu_to_le16(tx_control); + buf += sizeof(*tx_cntl); } - memcpy(buf, p, data_len); - buf += data_len; + memcpy(buf, skb->data, skb->len); + buf += skb->len; + + if (tx_control & HERMES_TXCTRL_MIC) { + u8 *m = mic; + /* Mic has been offset so it can be copied to an even + * address. We're copying eveything anyway, so we + * don't need to copy that first byte. */ + if (skb->len % 2) + m++; + memcpy(buf, m, MICHAEL_MIC_LEN); + buf += MICHAEL_MIC_LEN; + } /* Finally, we actually initiate the send */ netif_stop_queue(dev); @@ -1294,20 +1286,23 @@ static netdev_tx_t ezusb_xmit(struct sk_buff *skb, struct net_device *dev) if (net_ratelimit()) printk(KERN_ERR "%s: Error %d transmitting packet\n", dev->name, err); - stats->tx_errors++; - goto fail; + goto busy; } dev->trans_start = jiffies; - stats->tx_bytes += data_off + data_len; + stats->tx_bytes += skb->len; + goto ok; - orinoco_unlock(priv, &flags); + drop: + stats->tx_errors++; + stats->tx_dropped++; + ok: + orinoco_unlock(priv, &flags); dev_kfree_skb(skb); - return NETDEV_TX_OK; - fail: + busy: orinoco_unlock(priv, &flags); return NETDEV_TX_BUSY; } diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c index babdcdf..2d28908 100644 --- a/drivers/net/wireless/rndis_wlan.c +++ b/drivers/net/wireless/rndis_wlan.c @@ -535,7 +535,7 @@ static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev, static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev); -static int rndis_set_channel(struct wiphy *wiphy, +static int rndis_set_channel(struct wiphy *wiphy, struct net_device *dev, struct ieee80211_channel *chan, enum nl80211_channel_type channel_type); static int rndis_add_key(struct wiphy *wiphy, struct net_device *netdev, @@ -2291,7 +2291,7 @@ static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev) return deauthenticate(usbdev); } -static int rndis_set_channel(struct wiphy *wiphy, +static int rndis_set_channel(struct wiphy *wiphy, struct net_device *netdev, struct ieee80211_channel *chan, enum nl80211_channel_type channel_type) { struct rndis_wlan_private *priv = wiphy_priv(wiphy); diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c index 06b92f8..6126c0a 100644 --- a/drivers/net/wireless/rt2x00/rt2400pci.c +++ b/drivers/net/wireless/rt2x00/rt2400pci.c @@ -1060,7 +1060,8 @@ static void rt2400pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, /* * TX data initialization */ -static void rt2400pci_write_beacon(struct queue_entry *entry) +static void rt2400pci_write_beacon(struct queue_entry *entry, + struct txentry_desc *txdesc) { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct queue_entry_priv_pci *entry_priv = entry->priv_data; @@ -1090,6 +1091,14 @@ static void rt2400pci_write_beacon(struct queue_entry *entry) rt2x00_desc_read(entry_priv->desc, 1, &word); rt2x00_set_field32(&word, TXD_W1_BUFFER_ADDRESS, skbdesc->skb_dma); rt2x00_desc_write(entry_priv->desc, 1, word); + + /* + * Enable beaconing again. + */ + rt2x00_set_field32(®, CSR14_TSF_COUNT, 1); + rt2x00_set_field32(®, CSR14_TBCN, 1); + rt2x00_set_field32(®, CSR14_BEACON_GEN, 1); + rt2x00pci_register_write(rt2x00dev, CSR14, reg); } static void rt2400pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev, @@ -1097,17 +1106,6 @@ static void rt2400pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev, { u32 reg; - if (queue == QID_BEACON) { - rt2x00pci_register_read(rt2x00dev, CSR14, ®); - if (!rt2x00_get_field32(reg, CSR14_BEACON_GEN)) { - rt2x00_set_field32(®, CSR14_TSF_COUNT, 1); - rt2x00_set_field32(®, CSR14_TBCN, 1); - rt2x00_set_field32(®, CSR14_BEACON_GEN, 1); - rt2x00pci_register_write(rt2x00dev, CSR14, reg); - } - return; - } - rt2x00pci_register_read(rt2x00dev, TXCSR0, ®); rt2x00_set_field32(®, TXCSR0_KICK_PRIO, (queue == QID_AC_BE)); rt2x00_set_field32(®, TXCSR0_KICK_TX, (queue == QID_AC_BK)); diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c index ae8e205..2e4f461 100644 --- a/drivers/net/wireless/rt2x00/rt2500pci.c +++ b/drivers/net/wireless/rt2x00/rt2500pci.c @@ -1217,7 +1217,8 @@ static void rt2500pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, /* * TX data initialization */ -static void rt2500pci_write_beacon(struct queue_entry *entry) +static void rt2500pci_write_beacon(struct queue_entry *entry, + struct txentry_desc *txdesc) { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct queue_entry_priv_pci *entry_priv = entry->priv_data; @@ -1247,6 +1248,14 @@ static void rt2500pci_write_beacon(struct queue_entry *entry) rt2x00_desc_read(entry_priv->desc, 1, &word); rt2x00_set_field32(&word, TXD_W1_BUFFER_ADDRESS, skbdesc->skb_dma); rt2x00_desc_write(entry_priv->desc, 1, word); + + /* + * Enable beaconing again. + */ + rt2x00_set_field32(®, CSR14_TSF_COUNT, 1); + rt2x00_set_field32(®, CSR14_TBCN, 1); + rt2x00_set_field32(®, CSR14_BEACON_GEN, 1); + rt2x00pci_register_write(rt2x00dev, CSR14, reg); } static void rt2500pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev, @@ -1254,17 +1263,6 @@ static void rt2500pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev, { u32 reg; - if (queue == QID_BEACON) { - rt2x00pci_register_read(rt2x00dev, CSR14, ®); - if (!rt2x00_get_field32(reg, CSR14_BEACON_GEN)) { - rt2x00_set_field32(®, CSR14_TSF_COUNT, 1); - rt2x00_set_field32(®, CSR14_TBCN, 1); - rt2x00_set_field32(®, CSR14_BEACON_GEN, 1); - rt2x00pci_register_write(rt2x00dev, CSR14, reg); - } - return; - } - rt2x00pci_register_read(rt2x00dev, TXCSR0, ®); rt2x00_set_field32(®, TXCSR0_KICK_PRIO, (queue == QID_AC_BE)); rt2x00_set_field32(®, TXCSR0_KICK_TX, (queue == QID_AC_BK)); diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c index 41d9996..e88d703 100644 --- a/drivers/net/wireless/rt2x00/rt2500usb.c +++ b/drivers/net/wireless/rt2x00/rt2500usb.c @@ -1083,7 +1083,8 @@ static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, */ static void rt2500usb_beacondone(struct urb *urb); -static void rt2500usb_write_beacon(struct queue_entry *entry) +static void rt2500usb_write_beacon(struct queue_entry *entry, + struct txentry_desc *txdesc) { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct usb_device *usb_dev = to_usb_device_intf(rt2x00dev->dev); @@ -1091,7 +1092,7 @@ static void rt2500usb_write_beacon(struct queue_entry *entry) struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); int pipe = usb_sndbulkpipe(usb_dev, entry->queue->usb_endpoint); int length; - u16 reg; + u16 reg, reg0; /* * Add the descriptor in front of the skb. @@ -1133,6 +1134,26 @@ static void rt2500usb_write_beacon(struct queue_entry *entry) * Send out the guardian byte. */ usb_submit_urb(bcn_priv->guardian_urb, GFP_ATOMIC); + + /* + * Enable beaconing again. + */ + rt2x00_set_field16(®, TXRX_CSR19_TSF_COUNT, 1); + rt2x00_set_field16(®, TXRX_CSR19_TBCN, 1); + reg0 = reg; + rt2x00_set_field16(®, TXRX_CSR19_BEACON_GEN, 1); + /* + * Beacon generation will fail initially. + * To prevent this we need to change the TXRX_CSR19 + * register several times (reg0 is the same as reg + * except for TXRX_CSR19_BEACON_GEN, which is 0 in reg0 + * and 1 in reg). + */ + rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); + rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg0); + rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); + rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg0); + rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); } static int rt2500usb_get_tx_data_len(struct queue_entry *entry) @@ -1149,37 +1170,6 @@ static int rt2500usb_get_tx_data_len(struct queue_entry *entry) return length; } -static void rt2500usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev, - const enum data_queue_qid queue) -{ - u16 reg, reg0; - - if (queue != QID_BEACON) { - rt2x00usb_kick_tx_queue(rt2x00dev, queue); - return; - } - - rt2500usb_register_read(rt2x00dev, TXRX_CSR19, ®); - if (!rt2x00_get_field16(reg, TXRX_CSR19_BEACON_GEN)) { - rt2x00_set_field16(®, TXRX_CSR19_TSF_COUNT, 1); - rt2x00_set_field16(®, TXRX_CSR19_TBCN, 1); - reg0 = reg; - rt2x00_set_field16(®, TXRX_CSR19_BEACON_GEN, 1); - /* - * Beacon generation will fail initially. - * To prevent this we need to change the TXRX_CSR19 - * register several times (reg0 is the same as reg - * except for TXRX_CSR19_BEACON_GEN, which is 0 in reg0 - * and 1 in reg). - */ - rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); - rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg0); - rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); - rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg0); - rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); - } -} - /* * RX control handlers */ @@ -1214,11 +1204,9 @@ static void rt2500usb_fill_rxdone(struct queue_entry *entry, if (rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR)) rxdesc->flags |= RX_FLAG_FAILED_PLCP_CRC; - if (test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags)) { - rxdesc->cipher = rt2x00_get_field32(word0, RXD_W0_CIPHER); - if (rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR)) - rxdesc->cipher_status = RX_CRYPTO_FAIL_KEY; - } + rxdesc->cipher = rt2x00_get_field32(word0, RXD_W0_CIPHER); + if (rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR)) + rxdesc->cipher_status = RX_CRYPTO_FAIL_KEY; if (rxdesc->cipher != CIPHER_NONE) { _rt2x00_desc_read(rxd, 2, &rxdesc->iv[0]); @@ -1780,7 +1768,7 @@ static const struct rt2x00lib_ops rt2500usb_rt2x00_ops = { .write_tx_data = rt2x00usb_write_tx_data, .write_beacon = rt2500usb_write_beacon, .get_tx_data_len = rt2500usb_get_tx_data_len, - .kick_tx_queue = rt2500usb_kick_tx_queue, + .kick_tx_queue = rt2x00usb_kick_tx_queue, .kill_tx_queue = rt2x00usb_kill_tx_queue, .fill_rxdone = rt2500usb_fill_rxdone, .config_shared_key = rt2500usb_config_key, diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c index e37bbea..db4250d 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c @@ -282,6 +282,104 @@ int rt2800_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev) } EXPORT_SYMBOL_GPL(rt2800_wait_wpdma_ready); +void rt2800_write_txwi(struct sk_buff *skb, struct txentry_desc *txdesc) +{ + __le32 *txwi = (__le32 *)(skb->data - TXWI_DESC_SIZE); + u32 word; + + /* + * Initialize TX Info descriptor + */ + rt2x00_desc_read(txwi, 0, &word); + rt2x00_set_field32(&word, TXWI_W0_FRAG, + test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags)); + rt2x00_set_field32(&word, TXWI_W0_MIMO_PS, 0); + rt2x00_set_field32(&word, TXWI_W0_CF_ACK, 0); + rt2x00_set_field32(&word, TXWI_W0_TS, + test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags)); + rt2x00_set_field32(&word, TXWI_W0_AMPDU, + test_bit(ENTRY_TXD_HT_AMPDU, &txdesc->flags)); + rt2x00_set_field32(&word, TXWI_W0_MPDU_DENSITY, txdesc->mpdu_density); + rt2x00_set_field32(&word, TXWI_W0_TX_OP, txdesc->txop); + rt2x00_set_field32(&word, TXWI_W0_MCS, txdesc->mcs); + rt2x00_set_field32(&word, TXWI_W0_BW, + test_bit(ENTRY_TXD_HT_BW_40, &txdesc->flags)); + rt2x00_set_field32(&word, TXWI_W0_SHORT_GI, + test_bit(ENTRY_TXD_HT_SHORT_GI, &txdesc->flags)); + rt2x00_set_field32(&word, TXWI_W0_STBC, txdesc->stbc); + rt2x00_set_field32(&word, TXWI_W0_PHYMODE, txdesc->rate_mode); + rt2x00_desc_write(txwi, 0, word); + + rt2x00_desc_read(txwi, 1, &word); + rt2x00_set_field32(&word, TXWI_W1_ACK, + test_bit(ENTRY_TXD_ACK, &txdesc->flags)); + rt2x00_set_field32(&word, TXWI_W1_NSEQ, + test_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags)); + rt2x00_set_field32(&word, TXWI_W1_BW_WIN_SIZE, txdesc->ba_size); + rt2x00_set_field32(&word, TXWI_W1_WIRELESS_CLI_ID, + test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags) ? + txdesc->key_idx : 0xff); + rt2x00_set_field32(&word, TXWI_W1_MPDU_TOTAL_BYTE_COUNT, + txdesc->length); + rt2x00_set_field32(&word, TXWI_W1_PACKETID, txdesc->queue + 1); + rt2x00_desc_write(txwi, 1, word); + + /* + * Always write 0 to IV/EIV fields, hardware will insert the IV + * from the IVEIV register when TXD_W3_WIV is set to 0. + * When TXD_W3_WIV is set to 1 it will use the IV data + * from the descriptor. The TXWI_W1_WIRELESS_CLI_ID indicates which + * crypto entry in the registers should be used to encrypt the frame. + */ + _rt2x00_desc_write(txwi, 2, 0 /* skbdesc->iv[0] */); + _rt2x00_desc_write(txwi, 3, 0 /* skbdesc->iv[1] */); +} +EXPORT_SYMBOL_GPL(rt2800_write_txwi); + +void rt2800_process_rxwi(struct sk_buff *skb, struct rxdone_entry_desc *rxdesc) +{ + __le32 *rxwi = (__le32 *) skb->data; + u32 word; + + rt2x00_desc_read(rxwi, 0, &word); + + rxdesc->cipher = rt2x00_get_field32(word, RXWI_W0_UDF); + rxdesc->size = rt2x00_get_field32(word, RXWI_W0_MPDU_TOTAL_BYTE_COUNT); + + rt2x00_desc_read(rxwi, 1, &word); + + if (rt2x00_get_field32(word, RXWI_W1_SHORT_GI)) + rxdesc->flags |= RX_FLAG_SHORT_GI; + + if (rt2x00_get_field32(word, RXWI_W1_BW)) + rxdesc->flags |= RX_FLAG_40MHZ; + + /* + * Detect RX rate, always use MCS as signal type. + */ + rxdesc->dev_flags |= RXDONE_SIGNAL_MCS; + rxdesc->signal = rt2x00_get_field32(word, RXWI_W1_MCS); + rxdesc->rate_mode = rt2x00_get_field32(word, RXWI_W1_PHYMODE); + + /* + * Mask of 0x8 bit to remove the short preamble flag. + */ + if (rxdesc->rate_mode == RATE_MODE_CCK) + rxdesc->signal &= ~0x8; + + rt2x00_desc_read(rxwi, 2, &word); + + rxdesc->rssi = + (rt2x00_get_field32(word, RXWI_W2_RSSI0) + + rt2x00_get_field32(word, RXWI_W2_RSSI1)) / 2; + + /* + * Remove RXWI descriptor from start of buffer. + */ + skb_pull(skb, RXWI_DESC_SIZE); +} +EXPORT_SYMBOL_GPL(rt2800_process_rxwi); + #ifdef CONFIG_RT2X00_LIB_DEBUGFS const struct rt2x00debug rt2800_rt2x00debug = { .owner = THIS_MODULE, @@ -640,8 +738,6 @@ void rt2800_config_erp(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_erp *erp) rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg); rt2800_register_read(rt2x00dev, XIFS_TIME_CFG, ®); - rt2x00_set_field32(®, XIFS_TIME_CFG_CCKM_SIFS_TIME, erp->sifs); - rt2x00_set_field32(®, XIFS_TIME_CFG_OFDM_SIFS_TIME, erp->sifs); rt2x00_set_field32(®, XIFS_TIME_CFG_EIFS, erp->eifs); rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg); @@ -1415,9 +1511,16 @@ int rt2800_init_registers(struct rt2x00_dev *rt2x00dev) rt2800_register_write(rt2x00dev, EXP_ACK_TIME, 0x002400ca); + /* + * Usually the CCK SIFS time should be set to 10 and the OFDM SIFS + * time should be set to 16. However, the original Ralink driver uses + * 16 for both and indeed using a value of 10 for CCK SIFS results in + * connection problems with 11g + CTS protection. Hence, use the same + * defaults as the Ralink driver: 16 for both, CCK and OFDM SIFS. + */ rt2800_register_read(rt2x00dev, XIFS_TIME_CFG, ®); - rt2x00_set_field32(®, XIFS_TIME_CFG_CCKM_SIFS_TIME, 32); - rt2x00_set_field32(®, XIFS_TIME_CFG_OFDM_SIFS_TIME, 32); + rt2x00_set_field32(®, XIFS_TIME_CFG_CCKM_SIFS_TIME, 16); + rt2x00_set_field32(®, XIFS_TIME_CFG_OFDM_SIFS_TIME, 16); rt2x00_set_field32(®, XIFS_TIME_CFG_OFDM_XIFS_TIME, 4); rt2x00_set_field32(®, XIFS_TIME_CFG_EIFS, 314); rt2x00_set_field32(®, XIFS_TIME_CFG_BB_RXEND_ENABLE, 1); @@ -2219,7 +2322,7 @@ int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev) EXPORT_SYMBOL_GPL(rt2800_init_eeprom); /* - * RF value list for rt28x0 + * RF value list for rt28xx * Supports: 2.4 GHz (all) & 5.2 GHz (RF2850 & RF2750) */ static const struct rf_channel rf_vals[] = { @@ -2294,10 +2397,10 @@ static const struct rf_channel rf_vals[] = { }; /* - * RF value list for rt3070 - * Supports: 2.4 GHz + * RF value list for rt3xxx + * Supports: 2.4 GHz (all) & 5.2 GHz (RF3052) */ -static const struct rf_channel rf_vals_302x[] = { +static const struct rf_channel rf_vals_3x[] = { {1, 241, 2, 2 }, {2, 241, 2, 7 }, {3, 242, 2, 2 }, @@ -2312,6 +2415,51 @@ static const struct rf_channel rf_vals_302x[] = { {12, 246, 2, 7 }, {13, 247, 2, 2 }, {14, 248, 2, 4 }, + + /* 802.11 UNI / HyperLan 2 */ + {36, 0x56, 0, 4}, + {38, 0x56, 0, 6}, + {40, 0x56, 0, 8}, + {44, 0x57, 0, 0}, + {46, 0x57, 0, 2}, + {48, 0x57, 0, 4}, + {52, 0x57, 0, 8}, + {54, 0x57, 0, 10}, + {56, 0x58, 0, 0}, + {60, 0x58, 0, 4}, + {62, 0x58, 0, 6}, + {64, 0x58, 0, 8}, + + /* 802.11 HyperLan 2 */ + {100, 0x5b, 0, 8}, + {102, 0x5b, 0, 10}, + {104, 0x5c, 0, 0}, + {108, 0x5c, 0, 4}, + {110, 0x5c, 0, 6}, + {112, 0x5c, 0, 8}, + {116, 0x5d, 0, 0}, + {118, 0x5d, 0, 2}, + {120, 0x5d, 0, 4}, + {124, 0x5d, 0, 8}, + {126, 0x5d, 0, 10}, + {128, 0x5e, 0, 0}, + {132, 0x5e, 0, 4}, + {134, 0x5e, 0, 6}, + {136, 0x5e, 0, 8}, + {140, 0x5f, 0, 0}, + + /* 802.11 UNII */ + {149, 0x5f, 0, 9}, + {151, 0x5f, 0, 11}, + {153, 0x60, 0, 1}, + {157, 0x60, 0, 5}, + {159, 0x60, 0, 7}, + {161, 0x60, 0, 9}, + {165, 0x61, 0, 1}, + {167, 0x61, 0, 3}, + {169, 0x61, 0, 5}, + {171, 0x61, 0, 7}, + {173, 0x61, 0, 9}, }; int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev) @@ -2352,11 +2500,11 @@ int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev) spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM; if (rt2x00_rf(rt2x00dev, RF2820) || - rt2x00_rf(rt2x00dev, RF2720) || - rt2x00_rf(rt2x00dev, RF3052)) { + rt2x00_rf(rt2x00dev, RF2720)) { spec->num_channels = 14; spec->channels = rf_vals; - } else if (rt2x00_rf(rt2x00dev, RF2850) || rt2x00_rf(rt2x00dev, RF2750)) { + } else if (rt2x00_rf(rt2x00dev, RF2850) || + rt2x00_rf(rt2x00dev, RF2750)) { spec->supported_bands |= SUPPORT_BAND_5GHZ; spec->num_channels = ARRAY_SIZE(rf_vals); spec->channels = rf_vals; @@ -2364,8 +2512,12 @@ int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev) rt2x00_rf(rt2x00dev, RF2020) || rt2x00_rf(rt2x00dev, RF3021) || rt2x00_rf(rt2x00dev, RF3022)) { - spec->num_channels = ARRAY_SIZE(rf_vals_302x); - spec->channels = rf_vals_302x; + spec->num_channels = 14; + spec->channels = rf_vals_3x; + } else if (rt2x00_rf(rt2x00dev, RF3052)) { + spec->supported_bands |= SUPPORT_BAND_5GHZ; + spec->num_channels = ARRAY_SIZE(rf_vals_3x); + spec->channels = rf_vals_3x; } /* diff --git a/drivers/net/wireless/rt2x00/rt2800lib.h b/drivers/net/wireless/rt2x00/rt2800lib.h index ebabeae..94de999 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.h +++ b/drivers/net/wireless/rt2x00/rt2800lib.h @@ -111,6 +111,9 @@ void rt2800_mcu_request(struct rt2x00_dev *rt2x00dev, const u8 command, const u8 token, const u8 arg0, const u8 arg1); +void rt2800_write_txwi(struct sk_buff *skb, struct txentry_desc *txdesc); +void rt2800_process_rxwi(struct sk_buff *skb, struct rxdone_entry_desc *txdesc); + extern const struct rt2x00debug rt2800_rt2x00debug; int rt2800_rfkill_poll(struct rt2x00_dev *rt2x00dev); diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c index f08b6a3..7d4778d 100644 --- a/drivers/net/wireless/rt2x00/rt2800pci.c +++ b/drivers/net/wireless/rt2x00/rt2800pci.c @@ -616,67 +616,13 @@ static int rt2800pci_set_device_state(struct rt2x00_dev *rt2x00dev, static int rt2800pci_write_tx_data(struct queue_entry* entry, struct txentry_desc *txdesc) { - struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; - struct sk_buff *skb = entry->skb; - struct skb_frame_desc *skbdesc; int ret; - __le32 *txwi; - u32 word; ret = rt2x00pci_write_tx_data(entry, txdesc); if (ret) return ret; - skbdesc = get_skb_frame_desc(skb); - txwi = (__le32 *)(skb->data - rt2x00dev->ops->extra_tx_headroom); - - /* - * Initialize TX Info descriptor - */ - rt2x00_desc_read(txwi, 0, &word); - rt2x00_set_field32(&word, TXWI_W0_FRAG, - test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags)); - rt2x00_set_field32(&word, TXWI_W0_MIMO_PS, 0); - rt2x00_set_field32(&word, TXWI_W0_CF_ACK, 0); - rt2x00_set_field32(&word, TXWI_W0_TS, - test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags)); - rt2x00_set_field32(&word, TXWI_W0_AMPDU, - test_bit(ENTRY_TXD_HT_AMPDU, &txdesc->flags)); - rt2x00_set_field32(&word, TXWI_W0_MPDU_DENSITY, txdesc->mpdu_density); - rt2x00_set_field32(&word, TXWI_W0_TX_OP, txdesc->ifs); - rt2x00_set_field32(&word, TXWI_W0_MCS, txdesc->mcs); - rt2x00_set_field32(&word, TXWI_W0_BW, - test_bit(ENTRY_TXD_HT_BW_40, &txdesc->flags)); - rt2x00_set_field32(&word, TXWI_W0_SHORT_GI, - test_bit(ENTRY_TXD_HT_SHORT_GI, &txdesc->flags)); - rt2x00_set_field32(&word, TXWI_W0_STBC, txdesc->stbc); - rt2x00_set_field32(&word, TXWI_W0_PHYMODE, txdesc->rate_mode); - rt2x00_desc_write(txwi, 0, word); - - rt2x00_desc_read(txwi, 1, &word); - rt2x00_set_field32(&word, TXWI_W1_ACK, - test_bit(ENTRY_TXD_ACK, &txdesc->flags)); - rt2x00_set_field32(&word, TXWI_W1_NSEQ, - test_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags)); - rt2x00_set_field32(&word, TXWI_W1_BW_WIN_SIZE, txdesc->ba_size); - rt2x00_set_field32(&word, TXWI_W1_WIRELESS_CLI_ID, - test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags) ? - txdesc->key_idx : 0xff); - rt2x00_set_field32(&word, TXWI_W1_MPDU_TOTAL_BYTE_COUNT, - txdesc->length); - rt2x00_set_field32(&word, TXWI_W1_PACKETID, - skbdesc->entry->queue->qid + 1); - rt2x00_desc_write(txwi, 1, word); - - /* - * Always write 0 to IV/EIV fields, hardware will insert the IV - * from the IVEIV register when TXD_W3_WIV is set to 0. - * When TXD_W3_WIV is set to 1 it will use the IV data - * from the descriptor. The TXWI_W1_WIRELESS_CLI_ID indicates which - * crypto entry in the registers should be used to encrypt the frame. - */ - _rt2x00_desc_write(txwi, 2, 0 /* skbdesc->iv[0] */); - _rt2x00_desc_write(txwi, 3, 0 /* skbdesc->iv[1] */); + rt2800_write_txwi(entry->skb, txdesc); return 0; } @@ -732,10 +678,10 @@ static void rt2800pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, /* * TX data initialization */ -static void rt2800pci_write_beacon(struct queue_entry *entry) +static void rt2800pci_write_beacon(struct queue_entry *entry, + struct txentry_desc *txdesc) { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; - struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); unsigned int beacon_base; u32 reg; @@ -748,15 +694,25 @@ static void rt2800pci_write_beacon(struct queue_entry *entry) rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg); /* - * Write entire beacon with descriptor to register. + * Add the TXWI for the beacon to the skb. + */ + rt2800_write_txwi(entry->skb, txdesc); + skb_push(entry->skb, TXWI_DESC_SIZE); + + /* + * Write entire beacon with TXWI to register. */ beacon_base = HW_BEACON_OFFSET(entry->entry_idx); - rt2800_register_multiwrite(rt2x00dev, - beacon_base, - skbdesc->desc, skbdesc->desc_len); - rt2800_register_multiwrite(rt2x00dev, - beacon_base + skbdesc->desc_len, - entry->skb->data, entry->skb->len); + rt2800_register_multiwrite(rt2x00dev, beacon_base, + entry->skb->data, entry->skb->len); + + /* + * Enable beaconing again. + */ + rt2x00_set_field32(®, BCN_TIME_CFG_TSF_TICKING, 1); + rt2x00_set_field32(®, BCN_TIME_CFG_TBTT_ENABLE, 1); + rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 1); + rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg); /* * Clean up beacon skb. @@ -770,18 +726,6 @@ static void rt2800pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev, { struct data_queue *queue; unsigned int idx, qidx = 0; - u32 reg; - - if (queue_idx == QID_BEACON) { - rt2800_register_read(rt2x00dev, BCN_TIME_CFG, ®); - if (!rt2x00_get_field32(reg, BCN_TIME_CFG_BEACON_GEN)) { - rt2x00_set_field32(®, BCN_TIME_CFG_TSF_TICKING, 1); - rt2x00_set_field32(®, BCN_TIME_CFG_TBTT_ENABLE, 1); - rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 1); - rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg); - } - return; - } if (queue_idx > QID_HCCA && queue_idx != QID_MGMT) return; @@ -824,34 +768,21 @@ static void rt2800pci_fill_rxdone(struct queue_entry *entry, struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct queue_entry_priv_pci *entry_priv = entry->priv_data; __le32 *rxd = entry_priv->desc; - __le32 *rxwi = (__le32 *)entry->skb->data; - u32 rxd3; - u32 rxwi0; - u32 rxwi1; - u32 rxwi2; - u32 rxwi3; - - rt2x00_desc_read(rxd, 3, &rxd3); - rt2x00_desc_read(rxwi, 0, &rxwi0); - rt2x00_desc_read(rxwi, 1, &rxwi1); - rt2x00_desc_read(rxwi, 2, &rxwi2); - rt2x00_desc_read(rxwi, 3, &rxwi3); - - if (rt2x00_get_field32(rxd3, RXD_W3_CRC_ERROR)) + u32 word; + + rt2x00_desc_read(rxd, 3, &word); + + if (rt2x00_get_field32(word, RXD_W3_CRC_ERROR)) rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC; - if (test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags)) { - /* - * Unfortunately we don't know the cipher type used during - * decryption. This prevents us from correct providing - * correct statistics through debugfs. - */ - rxdesc->cipher = rt2x00_get_field32(rxwi0, RXWI_W0_UDF); - rxdesc->cipher_status = - rt2x00_get_field32(rxd3, RXD_W3_CIPHER_ERROR); - } + /* + * Unfortunately we don't know the cipher type used during + * decryption. This prevents us from correct providing + * correct statistics through debugfs. + */ + rxdesc->cipher_status = rt2x00_get_field32(word, RXD_W3_CIPHER_ERROR); - if (rt2x00_get_field32(rxd3, RXD_W3_DECRYPTED)) { + if (rt2x00_get_field32(word, RXD_W3_DECRYPTED)) { /* * Hardware has stripped IV/EIV data from 802.11 frame during * decryption. Unfortunately the descriptor doesn't contain @@ -866,47 +797,22 @@ static void rt2800pci_fill_rxdone(struct queue_entry *entry, rxdesc->flags |= RX_FLAG_MMIC_ERROR; } - if (rt2x00_get_field32(rxd3, RXD_W3_MY_BSS)) + if (rt2x00_get_field32(word, RXD_W3_MY_BSS)) rxdesc->dev_flags |= RXDONE_MY_BSS; - if (rt2x00_get_field32(rxd3, RXD_W3_L2PAD)) + if (rt2x00_get_field32(word, RXD_W3_L2PAD)) rxdesc->dev_flags |= RXDONE_L2PAD; - if (rt2x00_get_field32(rxwi1, RXWI_W1_SHORT_GI)) - rxdesc->flags |= RX_FLAG_SHORT_GI; - - if (rt2x00_get_field32(rxwi1, RXWI_W1_BW)) - rxdesc->flags |= RX_FLAG_40MHZ; - - /* - * Detect RX rate, always use MCS as signal type. - */ - rxdesc->dev_flags |= RXDONE_SIGNAL_MCS; - rxdesc->rate_mode = rt2x00_get_field32(rxwi1, RXWI_W1_PHYMODE); - rxdesc->signal = rt2x00_get_field32(rxwi1, RXWI_W1_MCS); - /* - * Mask of 0x8 bit to remove the short preamble flag. + * Process the RXWI structure that is at the start of the buffer. */ - if (rxdesc->rate_mode == RATE_MODE_CCK) - rxdesc->signal &= ~0x8; - - rxdesc->rssi = - (rt2x00_get_field32(rxwi2, RXWI_W2_RSSI0) + - rt2x00_get_field32(rxwi2, RXWI_W2_RSSI1)) / 2; - - rxdesc->size = rt2x00_get_field32(rxwi0, RXWI_W0_MPDU_TOTAL_BYTE_COUNT); + rt2800_process_rxwi(entry->skb, rxdesc); /* * Set RX IDX in register to inform hardware that we have handled * this entry and it is available for reuse again. */ rt2800_register_write(rt2x00dev, RX_CRX_IDX, entry->entry_idx); - - /* - * Remove TXWI descriptor from start of buffer. - */ - skb_pull(entry->skb, RXWI_DESC_SIZE); } /* diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c index e3f3a97..8ad0669 100644 --- a/drivers/net/wireless/rt2x00/rt2800usb.c +++ b/drivers/net/wireless/rt2x00/rt2800usb.c @@ -401,59 +401,15 @@ static void rt2800usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, { struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb); __le32 *txi = skbdesc->desc; - __le32 *txwi = &txi[TXINFO_DESC_SIZE / sizeof(__le32)]; u32 word; /* - * Initialize TX Info descriptor + * Initialize TXWI descriptor */ - rt2x00_desc_read(txwi, 0, &word); - rt2x00_set_field32(&word, TXWI_W0_FRAG, - test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags)); - rt2x00_set_field32(&word, TXWI_W0_MIMO_PS, 0); - rt2x00_set_field32(&word, TXWI_W0_CF_ACK, 0); - rt2x00_set_field32(&word, TXWI_W0_TS, - test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags)); - rt2x00_set_field32(&word, TXWI_W0_AMPDU, - test_bit(ENTRY_TXD_HT_AMPDU, &txdesc->flags)); - rt2x00_set_field32(&word, TXWI_W0_MPDU_DENSITY, txdesc->mpdu_density); - rt2x00_set_field32(&word, TXWI_W0_TX_OP, txdesc->ifs); - rt2x00_set_field32(&word, TXWI_W0_MCS, txdesc->mcs); - rt2x00_set_field32(&word, TXWI_W0_BW, - test_bit(ENTRY_TXD_HT_BW_40, &txdesc->flags)); - rt2x00_set_field32(&word, TXWI_W0_SHORT_GI, - test_bit(ENTRY_TXD_HT_SHORT_GI, &txdesc->flags)); - rt2x00_set_field32(&word, TXWI_W0_STBC, txdesc->stbc); - rt2x00_set_field32(&word, TXWI_W0_PHYMODE, txdesc->rate_mode); - rt2x00_desc_write(txwi, 0, word); - - rt2x00_desc_read(txwi, 1, &word); - rt2x00_set_field32(&word, TXWI_W1_ACK, - test_bit(ENTRY_TXD_ACK, &txdesc->flags)); - rt2x00_set_field32(&word, TXWI_W1_NSEQ, - test_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags)); - rt2x00_set_field32(&word, TXWI_W1_BW_WIN_SIZE, txdesc->ba_size); - rt2x00_set_field32(&word, TXWI_W1_WIRELESS_CLI_ID, - test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags) ? - txdesc->key_idx : 0xff); - rt2x00_set_field32(&word, TXWI_W1_MPDU_TOTAL_BYTE_COUNT, - txdesc->length); - rt2x00_set_field32(&word, TXWI_W1_PACKETID, - skbdesc->entry->queue->qid + 1); - rt2x00_desc_write(txwi, 1, word); + rt2800_write_txwi(skb, txdesc); /* - * Always write 0 to IV/EIV fields, hardware will insert the IV - * from the IVEIV register when TXINFO_W0_WIV is set to 0. - * When TXINFO_W0_WIV is set to 1 it will use the IV data - * from the descriptor. The TXWI_W1_WIRELESS_CLI_ID indicates which - * crypto entry in the registers should be used to encrypt the frame. - */ - _rt2x00_desc_write(txwi, 2, 0 /* skbdesc->iv[0] */); - _rt2x00_desc_write(txwi, 3, 0 /* skbdesc->iv[1] */); - - /* - * Initialize TX descriptor + * Initialize TXINFO descriptor */ rt2x00_desc_read(txi, 0, &word); rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_PKT_LEN, @@ -471,21 +427,14 @@ static void rt2800usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, /* * TX data initialization */ -static void rt2800usb_write_beacon(struct queue_entry *entry) +static void rt2800usb_write_beacon(struct queue_entry *entry, + struct txentry_desc *txdesc) { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; - struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); unsigned int beacon_base; u32 reg; /* - * Add the descriptor in front of the skb. - */ - skb_push(entry->skb, entry->queue->desc_size); - memcpy(entry->skb->data, skbdesc->desc, skbdesc->desc_len); - skbdesc->desc = entry->skb->data; - - /* * Disable beaconing while we are reloading the beacon data, * otherwise we might be sending out invalid data. */ @@ -494,6 +443,12 @@ static void rt2800usb_write_beacon(struct queue_entry *entry) rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg); /* + * Add the TXWI for the beacon to the skb. + */ + rt2800_write_txwi(entry->skb, txdesc); + skb_push(entry->skb, TXWI_DESC_SIZE); + + /* * Write entire beacon with descriptor to register. */ beacon_base = HW_BEACON_OFFSET(entry->entry_idx); @@ -503,6 +458,14 @@ static void rt2800usb_write_beacon(struct queue_entry *entry) REGISTER_TIMEOUT32(entry->skb->len)); /* + * Enable beaconing again. + */ + rt2x00_set_field32(®, BCN_TIME_CFG_TSF_TICKING, 1); + rt2x00_set_field32(®, BCN_TIME_CFG_TBTT_ENABLE, 1); + rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 1); + rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg); + + /* * Clean up the beacon skb. */ dev_kfree_skb(entry->skb); @@ -524,84 +487,53 @@ static int rt2800usb_get_tx_data_len(struct queue_entry *entry) return length; } -static void rt2800usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev, - const enum data_queue_qid queue) -{ - u32 reg; - - if (queue != QID_BEACON) { - rt2x00usb_kick_tx_queue(rt2x00dev, queue); - return; - } - - rt2800_register_read(rt2x00dev, BCN_TIME_CFG, ®); - if (!rt2x00_get_field32(reg, BCN_TIME_CFG_BEACON_GEN)) { - rt2x00_set_field32(®, BCN_TIME_CFG_TSF_TICKING, 1); - rt2x00_set_field32(®, BCN_TIME_CFG_TBTT_ENABLE, 1); - rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 1); - rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg); - } -} - /* * RX control handlers */ static void rt2800usb_fill_rxdone(struct queue_entry *entry, struct rxdone_entry_desc *rxdesc) { - struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); __le32 *rxi = (__le32 *)entry->skb->data; - __le32 *rxwi; __le32 *rxd; - u32 rxi0; - u32 rxwi0; - u32 rxwi1; - u32 rxwi2; - u32 rxwi3; - u32 rxd0; + u32 word; int rx_pkt_len; /* + * Copy descriptor to the skbdesc->desc buffer, making it safe from + * moving of frame data in rt2x00usb. + */ + memcpy(skbdesc->desc, rxi, skbdesc->desc_len); + + /* * RX frame format is : * | RXINFO | RXWI | header | L2 pad | payload | pad | RXD | USB pad | * |<------------ rx_pkt_len -------------->| */ - rt2x00_desc_read(rxi, 0, &rxi0); - rx_pkt_len = rt2x00_get_field32(rxi0, RXINFO_W0_USB_DMA_RX_PKT_LEN); - - rxwi = (__le32 *)(entry->skb->data + RXINFO_DESC_SIZE); + rt2x00_desc_read(rxi, 0, &word); + rx_pkt_len = rt2x00_get_field32(word, RXINFO_W0_USB_DMA_RX_PKT_LEN); /* - * FIXME : we need to check for rx_pkt_len validity + * Remove the RXINFO structure from the sbk. */ - rxd = (__le32 *)(entry->skb->data + RXINFO_DESC_SIZE + rx_pkt_len); + skb_pull(entry->skb, RXINFO_DESC_SIZE); /* - * Copy descriptor to the skbdesc->desc buffer, making it safe from - * moving of frame data in rt2x00usb. + * FIXME: we need to check for rx_pkt_len validity */ - memcpy(skbdesc->desc, rxi, skbdesc->desc_len); + rxd = (__le32 *)(entry->skb->data + rx_pkt_len); /* * It is now safe to read the descriptor on all architectures. */ - rt2x00_desc_read(rxwi, 0, &rxwi0); - rt2x00_desc_read(rxwi, 1, &rxwi1); - rt2x00_desc_read(rxwi, 2, &rxwi2); - rt2x00_desc_read(rxwi, 3, &rxwi3); - rt2x00_desc_read(rxd, 0, &rxd0); + rt2x00_desc_read(rxd, 0, &word); - if (rt2x00_get_field32(rxd0, RXD_W0_CRC_ERROR)) + if (rt2x00_get_field32(word, RXD_W0_CRC_ERROR)) rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC; - if (test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags)) { - rxdesc->cipher = rt2x00_get_field32(rxwi0, RXWI_W0_UDF); - rxdesc->cipher_status = - rt2x00_get_field32(rxd0, RXD_W0_CIPHER_ERROR); - } + rxdesc->cipher_status = rt2x00_get_field32(word, RXD_W0_CIPHER_ERROR); - if (rt2x00_get_field32(rxd0, RXD_W0_DECRYPTED)) { + if (rt2x00_get_field32(word, RXD_W0_DECRYPTED)) { /* * Hardware has stripped IV/EIV data from 802.11 frame during * decryption. Unfortunately the descriptor doesn't contain @@ -616,41 +548,21 @@ static void rt2800usb_fill_rxdone(struct queue_entry *entry, rxdesc->flags |= RX_FLAG_MMIC_ERROR; } - if (rt2x00_get_field32(rxd0, RXD_W0_MY_BSS)) + if (rt2x00_get_field32(word, RXD_W0_MY_BSS)) rxdesc->dev_flags |= RXDONE_MY_BSS; - if (rt2x00_get_field32(rxd0, RXD_W0_L2PAD)) + if (rt2x00_get_field32(word, RXD_W0_L2PAD)) rxdesc->dev_flags |= RXDONE_L2PAD; - if (rt2x00_get_field32(rxwi1, RXWI_W1_SHORT_GI)) - rxdesc->flags |= RX_FLAG_SHORT_GI; - - if (rt2x00_get_field32(rxwi1, RXWI_W1_BW)) - rxdesc->flags |= RX_FLAG_40MHZ; - /* - * Detect RX rate, always use MCS as signal type. + * Remove RXD descriptor from end of buffer. */ - rxdesc->dev_flags |= RXDONE_SIGNAL_MCS; - rxdesc->rate_mode = rt2x00_get_field32(rxwi1, RXWI_W1_PHYMODE); - rxdesc->signal = rt2x00_get_field32(rxwi1, RXWI_W1_MCS); - - /* - * Mask of 0x8 bit to remove the short preamble flag. - */ - if (rxdesc->rate_mode == RATE_MODE_CCK) - rxdesc->signal &= ~0x8; - - rxdesc->rssi = - (rt2x00_get_field32(rxwi2, RXWI_W2_RSSI0) + - rt2x00_get_field32(rxwi2, RXWI_W2_RSSI1)) / 2; - - rxdesc->size = rt2x00_get_field32(rxwi0, RXWI_W0_MPDU_TOTAL_BYTE_COUNT); + skb_trim(entry->skb, rx_pkt_len); /* - * Remove RXWI descriptor from start of buffer. + * Process the RXWI structure. */ - skb_pull(entry->skb, skbdesc->desc_len); + rt2800_process_rxwi(entry->skb, rxdesc); } /* @@ -743,7 +655,7 @@ static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = { .write_tx_data = rt2x00usb_write_tx_data, .write_beacon = rt2800usb_write_beacon, .get_tx_data_len = rt2800usb_get_tx_data_len, - .kick_tx_queue = rt2800usb_kick_tx_queue, + .kick_tx_queue = rt2x00usb_kick_tx_queue, .kill_tx_queue = rt2x00usb_kill_tx_queue, .fill_rxdone = rt2800usb_fill_rxdone, .config_shared_key = rt2800_config_shared_key, @@ -841,7 +753,7 @@ static struct usb_device_id rt2800usb_device_table[] = { { USB_DEVICE(0x7392, 0x7717), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x7392, 0x7718), USB_DEVICE_DATA(&rt2800usb_ops) }, /* EnGenius */ - { USB_DEVICE(0X1740, 0x9701), USB_DEVICE_DATA(&rt2800usb_ops) }, + { USB_DEVICE(0x1740, 0x9701), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x1740, 0x9702), USB_DEVICE_DATA(&rt2800usb_ops) }, /* Gigabyte */ { USB_DEVICE(0x1044, 0x800b), USB_DEVICE_DATA(&rt2800usb_ops) }, diff --git a/drivers/net/wireless/rt2x00/rt2800usb.h b/drivers/net/wireless/rt2x00/rt2800usb.h index d1d8ae9..2bca6a7 100644 --- a/drivers/net/wireless/rt2x00/rt2800usb.h +++ b/drivers/net/wireless/rt2x00/rt2800usb.h @@ -79,8 +79,6 @@ */ #define TXINFO_DESC_SIZE ( 1 * sizeof(__le32) ) #define RXINFO_DESC_SIZE ( 1 * sizeof(__le32) ) -#define RXWI_DESC_SIZE ( 4 * sizeof(__le32) ) -#define RXD_DESC_SIZE ( 1 * sizeof(__le32) ) /* * TX Info structure @@ -113,44 +111,6 @@ #define RXINFO_W0_USB_DMA_RX_PKT_LEN FIELD32(0x0000ffff) /* - * RX WI structure - */ - -/* - * Word0 - */ -#define RXWI_W0_WIRELESS_CLI_ID FIELD32(0x000000ff) -#define RXWI_W0_KEY_INDEX FIELD32(0x00000300) -#define RXWI_W0_BSSID FIELD32(0x00001c00) -#define RXWI_W0_UDF FIELD32(0x0000e000) -#define RXWI_W0_MPDU_TOTAL_BYTE_COUNT FIELD32(0x0fff0000) -#define RXWI_W0_TID FIELD32(0xf0000000) - -/* - * Word1 - */ -#define RXWI_W1_FRAG FIELD32(0x0000000f) -#define RXWI_W1_SEQUENCE FIELD32(0x0000fff0) -#define RXWI_W1_MCS FIELD32(0x007f0000) -#define RXWI_W1_BW FIELD32(0x00800000) -#define RXWI_W1_SHORT_GI FIELD32(0x01000000) -#define RXWI_W1_STBC FIELD32(0x06000000) -#define RXWI_W1_PHYMODE FIELD32(0xc0000000) - -/* - * Word2 - */ -#define RXWI_W2_RSSI0 FIELD32(0x000000ff) -#define RXWI_W2_RSSI1 FIELD32(0x0000ff00) -#define RXWI_W2_RSSI2 FIELD32(0x00ff0000) - -/* - * Word3 - */ -#define RXWI_W3_SNR0 FIELD32(0x000000ff) -#define RXWI_W3_SNR1 FIELD32(0x0000ff00) - -/* * RX descriptor format for RX Ring. */ diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h index 4f9b666..6c1ff4c 100644 --- a/drivers/net/wireless/rt2x00/rt2x00.h +++ b/drivers/net/wireless/rt2x00/rt2x00.h @@ -551,7 +551,8 @@ struct rt2x00lib_ops { struct txentry_desc *txdesc); int (*write_tx_data) (struct queue_entry *entry, struct txentry_desc *txdesc); - void (*write_beacon) (struct queue_entry *entry); + void (*write_beacon) (struct queue_entry *entry, + struct txentry_desc *txdesc); int (*get_tx_data_len) (struct queue_entry *entry); void (*kick_tx_queue) (struct rt2x00_dev *rt2x00dev, const enum data_queue_qid queue); diff --git a/drivers/net/wireless/rt2x00/rt2x00crypto.c b/drivers/net/wireless/rt2x00/rt2x00crypto.c index d291c78..583dacd 100644 --- a/drivers/net/wireless/rt2x00/rt2x00crypto.c +++ b/drivers/net/wireless/rt2x00/rt2x00crypto.c @@ -128,6 +128,7 @@ void rt2x00crypto_tx_remove_iv(struct sk_buff *skb, struct txentry_desc *txdesc) /* Pull buffer to correct size */ skb_pull(skb, txdesc->iv_len); + txdesc->length -= txdesc->iv_len; /* IV/EIV data has officially been stripped */ skbdesc->flags |= SKBDESC_IV_STRIPPED; diff --git a/drivers/net/wireless/rt2x00/rt2x00ht.c b/drivers/net/wireless/rt2x00/rt2x00ht.c index 1056c92..5a40760 100644 --- a/drivers/net/wireless/rt2x00/rt2x00ht.c +++ b/drivers/net/wireless/rt2x00/rt2x00ht.c @@ -35,6 +35,7 @@ void rt2x00ht_create_tx_descriptor(struct queue_entry *entry, { struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(entry->skb); struct ieee80211_tx_rate *txrate = &tx_info->control.rates[0]; + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)entry->skb->data; if (tx_info->control.sta) txdesc->mpdu_density = @@ -66,4 +67,20 @@ void rt2x00ht_create_tx_descriptor(struct queue_entry *entry, __set_bit(ENTRY_TXD_HT_BW_40, &txdesc->flags); if (txrate->flags & IEEE80211_TX_RC_SHORT_GI) __set_bit(ENTRY_TXD_HT_SHORT_GI, &txdesc->flags); + + /* + * Determine IFS values + * - Use TXOP_BACKOFF for management frames + * - Use TXOP_SIFS for fragment bursts + * - Use TXOP_HTTXOP for everything else + * + * Note: rt2800 devices won't use CTS protection (if used) + * for frames not transmitted with TXOP_HTTXOP + */ + if (ieee80211_is_mgmt(hdr->frame_control)) + txdesc->txop = TXOP_BACKOFF; + else if (!(tx_info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT)) + txdesc->txop = TXOP_SIFS; + else + txdesc->txop = TXOP_HTTXOP; } diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c index e22029f..089a12c 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.c +++ b/drivers/net/wireless/rt2x00/rt2x00queue.c @@ -429,20 +429,23 @@ static void rt2x00queue_write_tx_descriptor(struct queue_entry *entry, * it is now ready to be dumped to userspace through debugfs. */ rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_TX, entry->skb); +} + +static void rt2x00queue_kick_tx_queue(struct queue_entry *entry, + struct txentry_desc *txdesc) +{ + struct data_queue *queue = entry->queue; + struct rt2x00_dev *rt2x00dev = queue->rt2x00dev; /* * Check if we need to kick the queue, there are however a few rules - * 1) Don't kick beacon queue - * 2) Don't kick unless this is the last in frame in a burst. + * 1) Don't kick unless this is the last in frame in a burst. * When the burst flag is set, this frame is always followed * by another frame which in some way are related to eachother. * This is true for fragments, RTS or CTS-to-self frames. - * 3) Rule 2 can be broken when the available entries + * 2) Rule 1 can be broken when the available entries * in the queue are less then a certain threshold. */ - if (entry->queue->qid == QID_BEACON) - return; - if (rt2x00queue_threshold(queue) || !test_bit(ENTRY_TXD_BURST, &txdesc->flags)) rt2x00dev->ops->lib->kick_tx_queue(rt2x00dev, queue->qid); @@ -538,6 +541,7 @@ int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb, rt2x00queue_index_inc(queue, Q_INDEX); rt2x00queue_write_tx_descriptor(entry, &txdesc); + rt2x00queue_kick_tx_queue(entry, &txdesc); return 0; } @@ -603,12 +607,9 @@ int rt2x00queue_update_beacon(struct rt2x00_dev *rt2x00dev, rt2x00queue_write_tx_descriptor(intf->beacon, &txdesc); /* - * Send beacon to hardware. - * Also enable beacon generation, which might have been disabled - * by the driver during the config_beacon() callback function. + * Send beacon to hardware and enable beacon genaration.. */ - rt2x00dev->ops->lib->write_beacon(intf->beacon); - rt2x00dev->ops->lib->kick_tx_queue(rt2x00dev, QID_BEACON); + rt2x00dev->ops->lib->write_beacon(intf->beacon, &txdesc); mutex_unlock(&intf->beacon_skb_mutex); diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.h b/drivers/net/wireless/rt2x00/rt2x00queue.h index 94a48c1..36a957a 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.h +++ b/drivers/net/wireless/rt2x00/rt2x00queue.h @@ -299,6 +299,7 @@ enum txentry_desc_flags { * @retry_limit: Max number of retries. * @aifs: AIFS value. * @ifs: IFS value. + * @txop: IFS value for 11n capable chips. * @cw_min: cwmin value. * @cw_max: cwmax value. * @cipher: Cipher type used for encryption. @@ -328,6 +329,7 @@ struct txentry_desc { short retry_limit; short aifs; short ifs; + short txop; short cw_min; short cw_max; diff --git a/drivers/net/wireless/rt2x00/rt2x00reg.h b/drivers/net/wireless/rt2x00/rt2x00reg.h index 603bfc0..b9fe948 100644 --- a/drivers/net/wireless/rt2x00/rt2x00reg.h +++ b/drivers/net/wireless/rt2x00/rt2x00reg.h @@ -101,6 +101,16 @@ enum ifs { }; /* + * IFS backoff values for HT devices + */ +enum txop { + TXOP_HTTXOP = 0, + TXOP_PIFS = 1, + TXOP_SIFS = 2, + TXOP_BACKOFF = 3, +}; + +/* * Cipher types for hardware encryption */ enum cipher { diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c index 26ee791..86c75b9 100644 --- a/drivers/net/wireless/rt2x00/rt61pci.c +++ b/drivers/net/wireless/rt2x00/rt61pci.c @@ -1843,7 +1843,8 @@ static void rt61pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, /* * TX data initialization */ -static void rt61pci_write_beacon(struct queue_entry *entry) +static void rt61pci_write_beacon(struct queue_entry *entry, + struct txentry_desc *txdesc) { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); @@ -1870,6 +1871,19 @@ static void rt61pci_write_beacon(struct queue_entry *entry) entry->skb->data, entry->skb->len); /* + * Enable beaconing again. + * + * For Wi-Fi faily generated beacons between participating + * stations. Set TBTT phase adaptive adjustment step to 8us. + */ + rt2x00pci_register_write(rt2x00dev, TXRX_CSR10, 0x00001008); + + rt2x00_set_field32(®, TXRX_CSR9_TSF_TICKING, 1); + rt2x00_set_field32(®, TXRX_CSR9_TBTT_ENABLE, 1); + rt2x00_set_field32(®, TXRX_CSR9_BEACON_GEN, 1); + rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, reg); + + /* * Clean up beacon skb. */ dev_kfree_skb_any(entry->skb); @@ -1881,23 +1895,6 @@ static void rt61pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev, { u32 reg; - if (queue == QID_BEACON) { - /* - * For Wi-Fi faily generated beacons between participating - * stations. Set TBTT phase adaptive adjustment step to 8us. - */ - rt2x00pci_register_write(rt2x00dev, TXRX_CSR10, 0x00001008); - - rt2x00pci_register_read(rt2x00dev, TXRX_CSR9, ®); - if (!rt2x00_get_field32(reg, TXRX_CSR9_BEACON_GEN)) { - rt2x00_set_field32(®, TXRX_CSR9_TSF_TICKING, 1); - rt2x00_set_field32(®, TXRX_CSR9_TBTT_ENABLE, 1); - rt2x00_set_field32(®, TXRX_CSR9_BEACON_GEN, 1); - rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, reg); - } - return; - } - rt2x00pci_register_read(rt2x00dev, TX_CNTL_CSR, ®); rt2x00_set_field32(®, TX_CNTL_CSR_KICK_TX_AC0, (queue == QID_AC_BE)); rt2x00_set_field32(®, TX_CNTL_CSR_KICK_TX_AC1, (queue == QID_AC_BK)); @@ -1969,12 +1966,8 @@ static void rt61pci_fill_rxdone(struct queue_entry *entry, if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR)) rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC; - if (test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags)) { - rxdesc->cipher = - rt2x00_get_field32(word0, RXD_W0_CIPHER_ALG); - rxdesc->cipher_status = - rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR); - } + rxdesc->cipher = rt2x00_get_field32(word0, RXD_W0_CIPHER_ALG); + rxdesc->cipher_status = rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR); if (rxdesc->cipher != CIPHER_NONE) { _rt2x00_desc_read(entry_priv->desc, 2, &rxdesc->iv[0]); diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index 39b3c6d..11c1307 100644 --- a/drivers/net/wireless/rt2x00/rt73usb.c +++ b/drivers/net/wireless/rt2x00/rt73usb.c @@ -1505,7 +1505,8 @@ static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, /* * TX data initialization */ -static void rt73usb_write_beacon(struct queue_entry *entry) +static void rt73usb_write_beacon(struct queue_entry *entry, + struct txentry_desc *txdesc) { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); @@ -1537,6 +1538,19 @@ static void rt73usb_write_beacon(struct queue_entry *entry) REGISTER_TIMEOUT32(entry->skb->len)); /* + * Enable beaconing again. + * + * For Wi-Fi faily generated beacons between participating stations. + * Set TBTT phase adaptive adjustment step to 8us (default 16us) + */ + rt2x00usb_register_write(rt2x00dev, TXRX_CSR10, 0x00001008); + + rt2x00_set_field32(®, TXRX_CSR9_TSF_TICKING, 1); + rt2x00_set_field32(®, TXRX_CSR9_TBTT_ENABLE, 1); + rt2x00_set_field32(®, TXRX_CSR9_BEACON_GEN, 1); + rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg); + + /* * Clean up the beacon skb. */ dev_kfree_skb(entry->skb); @@ -1557,31 +1571,6 @@ static int rt73usb_get_tx_data_len(struct queue_entry *entry) return length; } -static void rt73usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev, - const enum data_queue_qid queue) -{ - u32 reg; - - if (queue != QID_BEACON) { - rt2x00usb_kick_tx_queue(rt2x00dev, queue); - return; - } - - /* - * For Wi-Fi faily generated beacons between participating stations. - * Set TBTT phase adaptive adjustment step to 8us (default 16us) - */ - rt2x00usb_register_write(rt2x00dev, TXRX_CSR10, 0x00001008); - - rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, ®); - if (!rt2x00_get_field32(reg, TXRX_CSR9_BEACON_GEN)) { - rt2x00_set_field32(®, TXRX_CSR9_TSF_TICKING, 1); - rt2x00_set_field32(®, TXRX_CSR9_TBTT_ENABLE, 1); - rt2x00_set_field32(®, TXRX_CSR9_BEACON_GEN, 1); - rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg); - } -} - /* * RX control handlers */ @@ -1645,12 +1634,8 @@ static void rt73usb_fill_rxdone(struct queue_entry *entry, if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR)) rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC; - if (test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags)) { - rxdesc->cipher = - rt2x00_get_field32(word0, RXD_W0_CIPHER_ALG); - rxdesc->cipher_status = - rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR); - } + rxdesc->cipher = rt2x00_get_field32(word0, RXD_W0_CIPHER_ALG); + rxdesc->cipher_status = rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR); if (rxdesc->cipher != CIPHER_NONE) { _rt2x00_desc_read(rxd, 2, &rxdesc->iv[0]); @@ -2266,7 +2251,7 @@ static const struct rt2x00lib_ops rt73usb_rt2x00_ops = { .write_tx_data = rt2x00usb_write_tx_data, .write_beacon = rt73usb_write_beacon, .get_tx_data_len = rt73usb_get_tx_data_len, - .kick_tx_queue = rt73usb_kick_tx_queue, + .kick_tx_queue = rt2x00usb_kick_tx_queue, .kill_tx_queue = rt2x00usb_kill_tx_queue, .fill_rxdone = rt73usb_fill_rxdone, .config_shared_key = rt73usb_config_shared_key, diff --git a/drivers/net/wireless/rtl818x/rtl8180.h b/drivers/net/wireless/rtl818x/rtl8180.h index de3844f..4baf0cf 100644 --- a/drivers/net/wireless/rtl818x/rtl8180.h +++ b/drivers/net/wireless/rtl818x/rtl8180.h @@ -55,6 +55,14 @@ struct rtl8180_tx_ring { struct sk_buff_head queue; }; +struct rtl8180_vif { + struct ieee80211_hw *dev; + + /* beaconing */ + struct delayed_work beacon_work; + bool enable_beacon; +}; + struct rtl8180_priv { /* common between rtl818x drivers */ struct rtl818x_csr __iomem *map; @@ -78,6 +86,9 @@ struct rtl8180_priv { u32 anaparam; u16 rfparam; u8 csthreshold; + + /* sequence # */ + u16 seqno; }; void rtl8180_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data); diff --git a/drivers/net/wireless/rtl818x/rtl8180_dev.c b/drivers/net/wireless/rtl818x/rtl8180_dev.c index 21307f2..515817d 100644 --- a/drivers/net/wireless/rtl818x/rtl8180_dev.c +++ b/drivers/net/wireless/rtl818x/rtl8180_dev.c @@ -234,6 +234,7 @@ static irqreturn_t rtl8180_interrupt(int irq, void *dev_id) static int rtl8180_tx(struct ieee80211_hw *dev, struct sk_buff *skb) { struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; struct rtl8180_priv *priv = dev->priv; struct rtl8180_tx_ring *ring; struct rtl8180_tx_desc *entry; @@ -285,6 +286,14 @@ static int rtl8180_tx(struct ieee80211_hw *dev, struct sk_buff *skb) } spin_lock_irqsave(&priv->lock, flags); + + if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) { + if (info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT) + priv->seqno += 0x10; + hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG); + hdr->seq_ctrl |= cpu_to_le16(priv->seqno); + } + idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries; entry = &ring->desc[idx]; @@ -299,6 +308,7 @@ static int rtl8180_tx(struct ieee80211_hw *dev, struct sk_buff *skb) __skb_queue_tail(&ring->queue, skb); if (ring->entries - skb_queue_len(&ring->queue) < 2) ieee80211_stop_queue(dev, prio); + spin_unlock_irqrestore(&priv->lock, flags); rtl818x_iowrite8(priv, &priv->map->TX_DMA_POLLING, (1 << (prio + 4))); @@ -653,10 +663,59 @@ static void rtl8180_stop(struct ieee80211_hw *dev) rtl8180_free_tx_ring(dev, i); } +static u64 rtl8180_get_tsf(struct ieee80211_hw *dev) +{ + struct rtl8180_priv *priv = dev->priv; + + return rtl818x_ioread32(priv, &priv->map->TSFT[0]) | + (u64)(rtl818x_ioread32(priv, &priv->map->TSFT[1])) << 32; +} + +void rtl8180_beacon_work(struct work_struct *work) +{ + struct rtl8180_vif *vif_priv = + container_of(work, struct rtl8180_vif, beacon_work.work); + struct ieee80211_vif *vif = + container_of((void *)vif_priv, struct ieee80211_vif, drv_priv); + struct ieee80211_hw *dev = vif_priv->dev; + struct ieee80211_mgmt *mgmt; + struct sk_buff *skb; + int err = 0; + + /* don't overflow the tx ring */ + if (ieee80211_queue_stopped(dev, 0)) + goto resched; + + /* grab a fresh beacon */ + skb = ieee80211_beacon_get(dev, vif); + + /* + * update beacon timestamp w/ TSF value + * TODO: make hardware update beacon timestamp + */ + mgmt = (struct ieee80211_mgmt *)skb->data; + mgmt->u.beacon.timestamp = cpu_to_le64(rtl8180_get_tsf(dev)); + + /* TODO: use actual beacon queue */ + skb_set_queue_mapping(skb, 0); + + err = rtl8180_tx(dev, skb); + WARN_ON(err); + +resched: + /* + * schedule next beacon + * TODO: use hardware support for beacon timing + */ + schedule_delayed_work(&vif_priv->beacon_work, + usecs_to_jiffies(1024 * vif->bss_conf.beacon_int)); +} + static int rtl8180_add_interface(struct ieee80211_hw *dev, struct ieee80211_vif *vif) { struct rtl8180_priv *priv = dev->priv; + struct rtl8180_vif *vif_priv; /* * We only support one active interface at a time. @@ -666,6 +725,7 @@ static int rtl8180_add_interface(struct ieee80211_hw *dev, switch (vif->type) { case NL80211_IFTYPE_STATION: + case NL80211_IFTYPE_ADHOC: break; default: return -EOPNOTSUPP; @@ -673,6 +733,12 @@ static int rtl8180_add_interface(struct ieee80211_hw *dev, priv->vif = vif; + /* Initialize driver private area */ + vif_priv = (struct rtl8180_vif *)&vif->drv_priv; + vif_priv->dev = dev; + INIT_DELAYED_WORK(&vif_priv->beacon_work, rtl8180_beacon_work); + vif_priv->enable_beacon = false; + rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG); rtl818x_iowrite32(priv, (__le32 __iomem *)&priv->map->MAC[0], le32_to_cpu(*(__le32 *)vif->addr)); @@ -706,8 +772,11 @@ static void rtl8180_bss_info_changed(struct ieee80211_hw *dev, u32 changed) { struct rtl8180_priv *priv = dev->priv; + struct rtl8180_vif *vif_priv; int i; + vif_priv = (struct rtl8180_vif *)&vif->drv_priv; + if (changed & BSS_CHANGED_BSSID) { for (i = 0; i < ETH_ALEN; i++) rtl818x_iowrite8(priv, &priv->map->BSSID[i], @@ -722,7 +791,16 @@ static void rtl8180_bss_info_changed(struct ieee80211_hw *dev, } if (changed & BSS_CHANGED_ERP_SLOT && priv->rf->conf_erp) - priv->rf->conf_erp(dev, info); + priv->rf->conf_erp(dev, info); + + if (changed & BSS_CHANGED_BEACON_ENABLED) + vif_priv->enable_beacon = info->enable_beacon; + + if (changed & (BSS_CHANGED_BEACON_ENABLED | BSS_CHANGED_BEACON)) { + cancel_delayed_work_sync(&vif_priv->beacon_work); + if (vif_priv->enable_beacon) + schedule_work(&vif_priv->beacon_work.work); + } } static u64 rtl8180_prepare_multicast(struct ieee80211_hw *dev, @@ -763,14 +841,6 @@ static void rtl8180_configure_filter(struct ieee80211_hw *dev, rtl818x_iowrite32(priv, &priv->map->RX_CONF, priv->rx_conf); } -static u64 rtl8180_get_tsf(struct ieee80211_hw *dev) -{ - struct rtl8180_priv *priv = dev->priv; - - return rtl818x_ioread32(priv, &priv->map->TSFT[0]) | - (u64)(rtl818x_ioread32(priv, &priv->map->TSFT[1])) << 32; -} - static const struct ieee80211_ops rtl8180_ops = { .tx = rtl8180_tx, .start = rtl8180_start, @@ -857,8 +927,8 @@ static int __devinit rtl8180_probe(struct pci_dev *pdev, goto err_free_reg; } - if ((err = pci_set_dma_mask(pdev, 0xFFFFFF00ULL)) || - (err = pci_set_consistent_dma_mask(pdev, 0xFFFFFF00ULL))) { + if ((err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) || + (err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))) { printk(KERN_ERR "%s (rtl8180): No suitable DMA available\n", pci_name(pdev)); goto err_free_reg; @@ -907,7 +977,9 @@ static int __devinit rtl8180_probe(struct pci_dev *pdev, dev->flags = IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING | IEEE80211_HW_RX_INCLUDES_FCS | IEEE80211_HW_SIGNAL_UNSPEC; - dev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); + dev->vif_data_size = sizeof(struct rtl8180_vif); + dev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | + BIT(NL80211_IFTYPE_ADHOC); dev->queues = 1; dev->max_signal = 65; diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl1271.h index 75887e7..6f1b6b5 100644 --- a/drivers/net/wireless/wl12xx/wl1271.h +++ b/drivers/net/wireless/wl12xx/wl1271.h @@ -388,6 +388,8 @@ struct wl1271 { size_t fw_len; struct wl1271_nvs_file *nvs; + s8 hw_pg_ver; + u8 bssid[ETH_ALEN]; u8 mac_addr[ETH_ALEN]; u8 bss_type; @@ -479,7 +481,7 @@ struct wl1271 { struct wl1271_stats stats; struct wl1271_debugfs debugfs; - u32 buffer_32; + __le32 buffer_32; u32 buffer_cmd; u32 buffer_busyword[WL1271_BUSY_WORD_CNT]; diff --git a/drivers/net/wireless/wl12xx/wl1271_boot.c b/drivers/net/wireless/wl12xx/wl1271_boot.c index acb1d9e..1a36d8a 100644 --- a/drivers/net/wireless/wl12xx/wl1271_boot.c +++ b/drivers/net/wireless/wl12xx/wl1271_boot.c @@ -441,11 +441,23 @@ static int wl1271_boot_write_irq_polarity(struct wl1271 *wl) return 0; } +static void wl1271_boot_hw_version(struct wl1271 *wl) +{ + u32 fuse; + + fuse = wl1271_top_reg_read(wl, REG_FUSE_DATA_2_1); + fuse = (fuse & PG_VER_MASK) >> PG_VER_OFFSET; + + wl->hw_pg_ver = (s8)fuse; +} + int wl1271_boot(struct wl1271 *wl) { int ret = 0; u32 tmp, clk, pause; + wl1271_boot_hw_version(wl); + if (REF_CLOCK == 0 || REF_CLOCK == 2 || REF_CLOCK == 4) /* ref clk: 19.2/38.4/38.4-XTAL */ clk = 0x3; diff --git a/drivers/net/wireless/wl12xx/wl1271_boot.h b/drivers/net/wireless/wl12xx/wl1271_boot.h index 95ecc52..f829699 100644 --- a/drivers/net/wireless/wl12xx/wl1271_boot.h +++ b/drivers/net/wireless/wl12xx/wl1271_boot.h @@ -55,6 +55,9 @@ struct wl1271_static_data { #define OCP_REG_CLK_POLARITY 0x0cb2 #define OCP_REG_CLK_PULL 0x0cb4 +#define REG_FUSE_DATA_2_1 0x050a +#define PG_VER_MASK 0x3c +#define PG_VER_OFFSET 2 #define CMD_MBOX_ADDRESS 0x407B4 diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.c b/drivers/net/wireless/wl12xx/wl1271_cmd.c index 62c11af..19393e2 100644 --- a/drivers/net/wireless/wl12xx/wl1271_cmd.c +++ b/drivers/net/wireless/wl12xx/wl1271_cmd.c @@ -516,7 +516,7 @@ int wl1271_cmd_ps_mode(struct wl1271 *wl, u8 ps_mode, bool send) ps_params->ps_mode = ps_mode; ps_params->send_null_data = send; ps_params->retries = 5; - ps_params->hang_over_period = 128; + ps_params->hang_over_period = 1; ps_params->null_data_rate = cpu_to_le32(1); /* 1 Mbps */ ret = wl1271_cmd_send(wl, CMD_SET_PS_MODE, ps_params, diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.h b/drivers/net/wireless/wl12xx/wl1271_cmd.h index 00f78b7..f2820b4 100644 --- a/drivers/net/wireless/wl12xx/wl1271_cmd.h +++ b/drivers/net/wireless/wl12xx/wl1271_cmd.h @@ -129,7 +129,7 @@ enum cmd_templ { /* unit ms */ #define WL1271_COMMAND_TIMEOUT 2000 #define WL1271_CMD_TEMPL_MAX_SIZE 252 -#define WL1271_EVENT_TIMEOUT 100 +#define WL1271_EVENT_TIMEOUT 750 struct wl1271_cmd_header { __le16 id; diff --git a/drivers/net/wireless/wl12xx/wl1271_io.h b/drivers/net/wireless/wl12xx/wl1271_io.h index d8837ef..bc806c7 100644 --- a/drivers/net/wireless/wl12xx/wl1271_io.h +++ b/drivers/net/wireless/wl12xx/wl1271_io.h @@ -74,12 +74,12 @@ static inline u32 wl1271_raw_read32(struct wl1271 *wl, int addr) wl1271_raw_read(wl, addr, &wl->buffer_32, sizeof(wl->buffer_32), false); - return wl->buffer_32; + return le32_to_cpu(wl->buffer_32); } static inline void wl1271_raw_write32(struct wl1271 *wl, int addr, u32 val) { - wl->buffer_32 = val; + wl->buffer_32 = cpu_to_le32(val); wl1271_raw_write(wl, addr, &wl->buffer_32, sizeof(wl->buffer_32), false); } diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c index 62e5440..5bb9e3f 100644 --- a/drivers/net/wireless/wl12xx/wl1271_main.c +++ b/drivers/net/wireless/wl12xx/wl1271_main.c @@ -1140,10 +1140,25 @@ out: return ret; } -static int wl1271_join(struct wl1271 *wl) +static int wl1271_join(struct wl1271 *wl, bool set_assoc) { int ret; + /* + * One of the side effects of the JOIN command is that is clears + * WPA/WPA2 keys from the chipset. Performing a JOIN while associated + * to a WPA/WPA2 access point will therefore kill the data-path. + * Currently there is no supported scenario for JOIN during + * association - if it becomes a supported scenario, the WPA/WPA2 keys + * must be handled somehow. + * + */ + if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) + wl1271_info("JOIN while associated."); + + if (set_assoc) + set_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags); + ret = wl1271_cmd_join(wl, wl->set_bss_type); if (ret < 0) goto out; @@ -1190,7 +1205,6 @@ static int wl1271_unjoin(struct wl1271 *wl) goto out; clear_bit(WL1271_FLAG_JOINED, &wl->flags); - wl->channel = 0; memset(wl->bssid, 0, ETH_ALEN); /* stop filterting packets based on bssid */ @@ -1250,7 +1264,9 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) goto out; /* if the channel changes while joined, join again */ - if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { + if (changed & IEEE80211_CONF_CHANGE_CHANNEL && + ((wl->band != conf->channel->band) || + (wl->channel != channel))) { wl->band = conf->channel->band; wl->channel = channel; @@ -1270,7 +1286,7 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) "failed %d", ret); if (test_bit(WL1271_FLAG_JOINED, &wl->flags)) { - ret = wl1271_join(wl); + ret = wl1271_join(wl, false); if (ret < 0) wl1271_warning("cmd join to update channel " "failed %d", ret); @@ -1647,6 +1663,7 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, enum wl1271_cmd_ps_mode mode; struct wl1271 *wl = hw->priv; bool do_join = false; + bool set_assoc = false; int ret; wl1271_debug(DEBUG_MAC80211, "mac80211 bss info changed"); @@ -1756,7 +1773,7 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, if (bss_conf->assoc) { u32 rates; wl->aid = bss_conf->aid; - set_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags); + set_assoc = true; /* * use basic rates from AP, and determine lowest rate @@ -1856,7 +1873,7 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, } if (do_join) { - ret = wl1271_join(wl); + ret = wl1271_join(wl, set_assoc); if (ret < 0) { wl1271_warning("cmd join failed %d", ret); goto out_sleep; @@ -2228,6 +2245,29 @@ static DEVICE_ATTR(bt_coex_state, S_IRUGO | S_IWUSR, wl1271_sysfs_show_bt_coex_state, wl1271_sysfs_store_bt_coex_state); +static ssize_t wl1271_sysfs_show_hw_pg_ver(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct wl1271 *wl = dev_get_drvdata(dev); + ssize_t len; + + /* FIXME: what's the maximum length of buf? page size?*/ + len = 500; + + mutex_lock(&wl->mutex); + if (wl->hw_pg_ver >= 0) + len = snprintf(buf, len, "%d\n", wl->hw_pg_ver); + else + len = snprintf(buf, len, "n/a\n"); + mutex_unlock(&wl->mutex); + + return len; +} + +static DEVICE_ATTR(hw_pg_ver, S_IRUGO | S_IWUSR, + wl1271_sysfs_show_hw_pg_ver, NULL); + int wl1271_register_hw(struct wl1271 *wl) { int ret; @@ -2347,6 +2387,7 @@ struct ieee80211_hw *wl1271_alloc_hw(void) wl->vif = NULL; wl->flags = 0; wl->sg_enabled = true; + wl->hw_pg_ver = -1; for (i = 0; i < ACX_TX_DESCRIPTORS; i++) wl->tx_frames[i] = NULL; @@ -2376,8 +2417,18 @@ struct ieee80211_hw *wl1271_alloc_hw(void) goto err_platform; } + /* Create sysfs file to get HW PG version */ + ret = device_create_file(&wl->plat_dev->dev, &dev_attr_hw_pg_ver); + if (ret < 0) { + wl1271_error("failed to create sysfs file hw_pg_ver"); + goto err_bt_coex_state; + } + return hw; +err_bt_coex_state: + device_remove_file(&wl->plat_dev->dev, &dev_attr_bt_coex_state); + err_platform: platform_device_unregister(wl->plat_dev); diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h index f8750f9..b7c77f9 100644 --- a/include/linux/nl80211.h +++ b/include/linux/nl80211.h @@ -52,6 +52,8 @@ * %NL80211_ATTR_WIPHY_CHANNEL_TYPE, %NL80211_ATTR_WIPHY_RETRY_SHORT, * %NL80211_ATTR_WIPHY_RETRY_LONG, %NL80211_ATTR_WIPHY_FRAG_THRESHOLD, * and/or %NL80211_ATTR_WIPHY_RTS_THRESHOLD. + * However, for setting the channel, see %NL80211_CMD_SET_CHANNEL + * instead, the support here is for backward compatibility only. * @NL80211_CMD_NEW_WIPHY: Newly created wiphy, response to get request * or rename notification. Has attributes %NL80211_ATTR_WIPHY and * %NL80211_ATTR_WIPHY_NAME. @@ -329,6 +331,15 @@ * @NL80211_CMD_NOTIFY_CQM: Connection quality monitor notification. This * command is used as an event to indicate the that a trigger level was * reached. + * @NL80211_CMD_SET_CHANNEL: Set the channel (using %NL80211_ATTR_WIPHY_FREQ + * and %NL80211_ATTR_WIPHY_CHANNEL_TYPE) the given interface (identifed + * by %NL80211_ATTR_IFINDEX) shall operate on. + * In case multiple channels are supported by the device, the mechanism + * with which it switches channels is implementation-defined. + * When a monitor interface is given, it can only switch channel while + * no other interfaces are operating to avoid disturbing the operation + * of any other interfaces, and other interfaces will again take + * precedence when they are used. * * @NL80211_CMD_MAX: highest used command number * @__NL80211_CMD_AFTER_LAST: internal use @@ -428,6 +439,8 @@ enum nl80211_commands { NL80211_CMD_SET_CQM, NL80211_CMD_NOTIFY_CQM, + NL80211_CMD_SET_CHANNEL, + /* add new commands above here */ /* used to define NL80211_CMD_MAX below */ diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 7d10c01..b44a2e5 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -966,7 +966,11 @@ struct cfg80211_pmksa { * * @set_txq_params: Set TX queue parameters * - * @set_channel: Set channel + * @set_channel: Set channel for a given wireless interface. Some devices + * may support multi-channel operation (by channel hopping) so cfg80211 + * doesn't verify much. Note, however, that the passed netdev may be + * %NULL as well if the user requested changing the channel for the + * device itself, or for a monitor interface. * * @scan: Request to do a scan. If returning zero, the scan request is given * the driver, and will be valid until passed to cfg80211_scan_done(). @@ -1095,7 +1099,7 @@ struct cfg80211_ops { int (*set_txq_params)(struct wiphy *wiphy, struct ieee80211_txq_params *params); - int (*set_channel)(struct wiphy *wiphy, + int (*set_channel)(struct wiphy *wiphy, struct net_device *dev, struct ieee80211_channel *chan, enum nl80211_channel_type channel_type); @@ -1461,6 +1465,8 @@ struct cfg80211_cached_keys; * @list: (private) Used to collect the interfaces * @netdev: (private) Used to reference back to the netdev * @current_bss: (private) Used by the internal configuration code + * @channel: (private) Used by the internal configuration code to track + * user-set AP, monitor and WDS channels for wireless extensions * @bssid: (private) Used by the internal configuration code * @ssid: (private) Used by the internal configuration code * @ssid_len: (private) Used by the internal configuration code @@ -1507,6 +1513,7 @@ struct wireless_dev { struct cfg80211_internal_bss *authtry_bsses[MAX_AUTH_BSSES]; struct cfg80211_internal_bss *auth_bsses[MAX_AUTH_BSSES]; struct cfg80211_internal_bss *current_bss; /* associated / joined */ + struct ieee80211_channel *channel; bool ps; int ps_timeout; diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 54aa16b..ac45c5b 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -160,6 +160,8 @@ enum ieee80211_bss_change { BSS_CHANGED_BEACON_ENABLED = 1<<9, BSS_CHANGED_CQM = 1<<10, BSS_CHANGED_IBSS = 1<<11, + + /* when adding here, make sure to change ieee80211_reconfig */ }; /** @@ -189,6 +191,9 @@ enum ieee80211_bss_change { * the current band. * @bssid: The BSSID for this BSS * @enable_beacon: whether beaconing should be enabled or not + * @channel_type: Channel type for this BSS -- the hardware might be + * configured for HT40+ while this BSS only uses no-HT, for + * example. * @ht_operation_mode: HT operation mode (like in &struct ieee80211_ht_info). * This field is only valid when the channel type is one of the HT types. * @cqm_rssi_thold: Connection quality monitor RSSI threshold, a zero value @@ -213,6 +218,7 @@ struct ieee80211_bss_conf { u16 ht_operation_mode; s32 cqm_rssi_thold; u32 cqm_rssi_hyst; + enum nl80211_channel_type channel_type; }; /** diff --git a/net/mac80211/Makefile b/net/mac80211/Makefile index 0442029..84b48ba 100644 --- a/net/mac80211/Makefile +++ b/net/mac80211/Makefile @@ -23,7 +23,8 @@ mac80211-y := \ key.o \ util.o \ wme.o \ - event.o + event.o \ + chan.o mac80211-$(CONFIG_MAC80211_LEDS) += led.o mac80211-$(CONFIG_MAC80211_DEBUGFS) += \ diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index ae37270..c7000a6 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -1162,15 +1162,39 @@ static int ieee80211_set_txq_params(struct wiphy *wiphy, } static int ieee80211_set_channel(struct wiphy *wiphy, + struct net_device *netdev, struct ieee80211_channel *chan, enum nl80211_channel_type channel_type) { struct ieee80211_local *local = wiphy_priv(wiphy); + struct ieee80211_sub_if_data *sdata = NULL; + + if (netdev) + sdata = IEEE80211_DEV_TO_SUB_IF(netdev); + + switch (ieee80211_get_channel_mode(local, NULL)) { + case CHAN_MODE_HOPPING: + return -EBUSY; + case CHAN_MODE_FIXED: + if (local->oper_channel != chan) + return -EBUSY; + if (!sdata && local->_oper_channel_type == channel_type) + return 0; + break; + case CHAN_MODE_UNDEFINED: + break; + } local->oper_channel = chan; - local->oper_channel_type = channel_type; - return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); + if (!ieee80211_set_channel_type(local, sdata, channel_type)) + return -EBUSY; + + ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); + if (sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR) + ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); + + return 0; } #ifdef CONFIG_PM @@ -1214,6 +1238,20 @@ static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_assoc_request *req) { + struct ieee80211_local *local = wiphy_priv(wiphy); + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + + switch (ieee80211_get_channel_mode(local, sdata)) { + case CHAN_MODE_HOPPING: + return -EBUSY; + case CHAN_MODE_FIXED: + if (local->oper_channel == req->bss->channel) + break; + return -EBUSY; + case CHAN_MODE_UNDEFINED: + break; + } + return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); } @@ -1236,8 +1274,22 @@ static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_ibss_params *params) { + struct ieee80211_local *local = wiphy_priv(wiphy); struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + switch (ieee80211_get_channel_mode(local, sdata)) { + case CHAN_MODE_HOPPING: + return -EBUSY; + case CHAN_MODE_FIXED: + if (!params->channel_fixed) + return -EBUSY; + if (local->oper_channel == params->channel) + break; + return -EBUSY; + case CHAN_MODE_UNDEFINED: + break; + } + return ieee80211_ibss_join(sdata, params); } @@ -1366,7 +1418,7 @@ int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, * association, there's no need to send an action frame. */ if (!sdata->u.mgd.associated || - sdata->local->oper_channel_type == NL80211_CHAN_NO_HT) { + sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) { mutex_lock(&sdata->local->iflist_mtx); ieee80211_recalc_smps(sdata->local, sdata); mutex_unlock(&sdata->local->iflist_mtx); diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c new file mode 100644 index 0000000..5d218c5 --- /dev/null +++ b/net/mac80211/chan.c @@ -0,0 +1,127 @@ +/* + * mac80211 - channel management + */ + +#include <linux/nl80211.h> +#include "ieee80211_i.h" + +enum ieee80211_chan_mode +__ieee80211_get_channel_mode(struct ieee80211_local *local, + struct ieee80211_sub_if_data *ignore) +{ + struct ieee80211_sub_if_data *sdata; + + WARN_ON(!mutex_is_locked(&local->iflist_mtx)); + + list_for_each_entry(sdata, &local->interfaces, list) { + if (sdata == ignore) + continue; + + if (!ieee80211_sdata_running(sdata)) + continue; + + if (sdata->vif.type == NL80211_IFTYPE_MONITOR) + continue; + + if (sdata->vif.type == NL80211_IFTYPE_STATION && + !sdata->u.mgd.associated) + continue; + + if (sdata->vif.type == NL80211_IFTYPE_ADHOC) { + if (!sdata->u.ibss.ssid_len) + continue; + if (!sdata->u.ibss.fixed_channel) + return CHAN_MODE_HOPPING; + } + + if (sdata->vif.type == NL80211_IFTYPE_AP && + !sdata->u.ap.beacon) + continue; + + return CHAN_MODE_FIXED; + } + + return CHAN_MODE_UNDEFINED; +} + +enum ieee80211_chan_mode +ieee80211_get_channel_mode(struct ieee80211_local *local, + struct ieee80211_sub_if_data *ignore) +{ + enum ieee80211_chan_mode mode; + + mutex_lock(&local->iflist_mtx); + mode = __ieee80211_get_channel_mode(local, ignore); + mutex_unlock(&local->iflist_mtx); + + return mode; +} + +bool ieee80211_set_channel_type(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + enum nl80211_channel_type chantype) +{ + struct ieee80211_sub_if_data *tmp; + enum nl80211_channel_type superchan = NL80211_CHAN_NO_HT; + bool result; + + mutex_lock(&local->iflist_mtx); + + list_for_each_entry(tmp, &local->interfaces, list) { + if (tmp == sdata) + continue; + + if (!ieee80211_sdata_running(tmp)) + continue; + + switch (tmp->vif.bss_conf.channel_type) { + case NL80211_CHAN_NO_HT: + case NL80211_CHAN_HT20: + superchan = tmp->vif.bss_conf.channel_type; + break; + case NL80211_CHAN_HT40PLUS: + WARN_ON(superchan == NL80211_CHAN_HT40MINUS); + superchan = NL80211_CHAN_HT40PLUS; + break; + case NL80211_CHAN_HT40MINUS: + WARN_ON(superchan == NL80211_CHAN_HT40PLUS); + superchan = NL80211_CHAN_HT40MINUS; + break; + } + } + + switch (superchan) { + case NL80211_CHAN_NO_HT: + case NL80211_CHAN_HT20: + /* + * allow any change that doesn't go to no-HT + * (if it already is no-HT no change is needed) + */ + if (chantype == NL80211_CHAN_NO_HT) + break; + superchan = chantype; + break; + case NL80211_CHAN_HT40PLUS: + case NL80211_CHAN_HT40MINUS: + /* allow smaller bandwidth and same */ + if (chantype == NL80211_CHAN_NO_HT) + break; + if (chantype == NL80211_CHAN_HT20) + break; + if (superchan == chantype) + break; + result = false; + goto out; + } + + local->_oper_channel_type = superchan; + + if (sdata) + sdata->vif.bss_conf.channel_type = chantype; + + result = true; + out: + mutex_unlock(&local->iflist_mtx); + + return result; +} diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c index b72ee64..b2cc1fd 100644 --- a/net/mac80211/ibss.c +++ b/net/mac80211/ibss.c @@ -103,7 +103,7 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata, sdata->drop_unencrypted = capability & WLAN_CAPABILITY_PRIVACY ? 1 : 0; local->oper_channel = chan; - local->oper_channel_type = NL80211_CHAN_NO_HT; + WARN_ON(!ieee80211_set_channel_type(local, sdata, NL80211_CHAN_NO_HT)); ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); sband = local->hw.wiphy->bands[chan->band]; @@ -911,7 +911,8 @@ int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, /* fix ourselves to that channel now already */ if (params->channel_fixed) { sdata->local->oper_channel = params->channel; - sdata->local->oper_channel_type = NL80211_CHAN_NO_HT; + WARN_ON(!ieee80211_set_channel_type(sdata->local, sdata, + NL80211_CHAN_NO_HT)); } if (params->ie) { diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index cbaf498..7ef7798 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -767,7 +767,7 @@ struct ieee80211_local { enum mac80211_scan_state next_scan_state; struct delayed_work scan_work; struct ieee80211_sub_if_data *scan_sdata; - enum nl80211_channel_type oper_channel_type; + enum nl80211_channel_type _oper_channel_type; struct ieee80211_channel *oper_channel, *csa_channel; /* Temporary remain-on-channel for off-channel operations */ @@ -1228,6 +1228,20 @@ int ieee80211_wk_remain_on_channel(struct ieee80211_sub_if_data *sdata, int ieee80211_wk_cancel_remain_on_channel( struct ieee80211_sub_if_data *sdata, u64 cookie); +/* channel management */ +enum ieee80211_chan_mode { + CHAN_MODE_UNDEFINED, + CHAN_MODE_HOPPING, + CHAN_MODE_FIXED, +}; + +enum ieee80211_chan_mode +ieee80211_get_channel_mode(struct ieee80211_local *local, + struct ieee80211_sub_if_data *ignore); +bool ieee80211_set_channel_type(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + enum nl80211_channel_type chantype); + #ifdef CONFIG_MAC80211_NOINLINE #define debug_noinline noinline #else diff --git a/net/mac80211/main.c b/net/mac80211/main.c index bd632e1..22a384d 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -111,7 +111,7 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed) channel_type = local->tmp_channel_type; } else { chan = local->oper_channel; - channel_type = local->oper_channel_type; + channel_type = local->_oper_channel_type; } if (chan != local->hw.conf.channel || diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 358226f..1178319 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -137,11 +137,14 @@ static u32 ieee80211_enable_ht(struct ieee80211_sub_if_data *sdata, struct sta_info *sta; u32 changed = 0; u16 ht_opmode; - bool enable_ht = true, ht_changed; + bool enable_ht = true; + enum nl80211_channel_type prev_chantype; enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT; sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; + prev_chantype = sdata->vif.bss_conf.channel_type; + /* HT is not supported */ if (!sband->ht_cap.ht_supported) enable_ht = false; @@ -172,38 +175,37 @@ static u32 ieee80211_enable_ht(struct ieee80211_sub_if_data *sdata, } } - ht_changed = conf_is_ht(&local->hw.conf) != enable_ht || - channel_type != local->hw.conf.channel_type; - if (local->tmp_channel) local->tmp_channel_type = channel_type; - local->oper_channel_type = channel_type; - if (ht_changed) { - /* channel_type change automatically detected */ - ieee80211_hw_config(local, 0); + if (!ieee80211_set_channel_type(local, sdata, channel_type)) { + /* can only fail due to HT40+/- mismatch */ + channel_type = NL80211_CHAN_HT20; + WARN_ON(!ieee80211_set_channel_type(local, sdata, channel_type)); + } + /* channel_type change automatically detected */ + ieee80211_hw_config(local, 0); + + if (prev_chantype != channel_type) { rcu_read_lock(); sta = sta_info_get(sdata, bssid); if (sta) rate_control_rate_update(local, sband, sta, IEEE80211_RC_HT_CHANGED, - local->oper_channel_type); + channel_type); rcu_read_unlock(); - } - - /* disable HT */ - if (!enable_ht) - return 0; + } ht_opmode = le16_to_cpu(hti->operation_mode); /* if bss configuration changed store the new one */ - if (!sdata->ht_opmode_valid || - sdata->vif.bss_conf.ht_operation_mode != ht_opmode) { + if (sdata->ht_opmode_valid != enable_ht || + sdata->vif.bss_conf.ht_operation_mode != ht_opmode || + prev_chantype != channel_type) { changed |= BSS_CHANGED_HT; sdata->vif.bss_conf.ht_operation_mode = ht_opmode; - sdata->ht_opmode_valid = true; + sdata->ht_opmode_valid = enable_ht; } return changed; @@ -866,7 +868,7 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata, ieee80211_set_wmm_default(sdata); /* channel(_type) changes are handled by ieee80211_hw_config */ - local->oper_channel_type = NL80211_CHAN_NO_HT; + WARN_ON(!ieee80211_set_channel_type(local, sdata, NL80211_CHAN_NO_HT)); /* on the next assoc, re-program HT parameters */ sdata->ht_opmode_valid = false; @@ -883,8 +885,8 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata, ieee80211_hw_config(local, config_changed); - /* And the BSSID changed -- not very interesting here */ - changed |= BSS_CHANGED_BSSID; + /* The BSSID (not really interesting) and HT changed */ + changed |= BSS_CHANGED_BSSID | BSS_CHANGED_HT; ieee80211_bss_info_change_notify(sdata, changed); if (remove_sta) @@ -2266,7 +2268,7 @@ int ieee80211_mgd_action(struct ieee80211_sub_if_data *sdata, if ((chan != local->tmp_channel || channel_type != local->tmp_channel_type) && (chan != local->oper_channel || - channel_type != local->oper_channel_type)) + channel_type != local->_oper_channel_type)) return -EBUSY; skb = dev_alloc_skb(local->hw.extra_tx_headroom + len); diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index f3841f4..680bcb7 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -2251,8 +2251,9 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw, info->control.vif = vif; - info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT; - info->flags |= IEEE80211_TX_CTL_ASSIGN_SEQ; + info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT | + IEEE80211_TX_CTL_ASSIGN_SEQ | + IEEE80211_TX_CTL_FIRST_FRAGMENT; out: rcu_read_unlock(); return skb; diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 2b75b4f..5b79d55 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -1160,18 +1160,33 @@ int ieee80211_reconfig(struct ieee80211_local *local) /* Finally also reconfigure all the BSS information */ list_for_each_entry(sdata, &local->interfaces, list) { - u32 changed = ~0; + u32 changed; + if (!ieee80211_sdata_running(sdata)) continue; + + /* common change flags for all interface types */ + changed = BSS_CHANGED_ERP_CTS_PROT | + BSS_CHANGED_ERP_PREAMBLE | + BSS_CHANGED_ERP_SLOT | + BSS_CHANGED_HT | + BSS_CHANGED_BASIC_RATES | + BSS_CHANGED_BEACON_INT | + BSS_CHANGED_BSSID | + BSS_CHANGED_CQM; + switch (sdata->vif.type) { case NL80211_IFTYPE_STATION: - /* disable beacon change bits */ - changed &= ~(BSS_CHANGED_BEACON | - BSS_CHANGED_BEACON_ENABLED); - /* fall through */ + changed |= BSS_CHANGED_ASSOC; + ieee80211_bss_info_change_notify(sdata, changed); + break; case NL80211_IFTYPE_ADHOC: + changed |= BSS_CHANGED_IBSS; + /* fall through */ case NL80211_IFTYPE_AP: case NL80211_IFTYPE_MESH_POINT: + changed |= BSS_CHANGED_BEACON | + BSS_CHANGED_BEACON_ENABLED; ieee80211_bss_info_change_notify(sdata, changed); break; case NL80211_IFTYPE_WDS: diff --git a/net/wireless/chan.c b/net/wireless/chan.c index bf1737f..d92d088 100644 --- a/net/wireless/chan.c +++ b/net/wireless/chan.c @@ -10,38 +10,6 @@ #include "core.h" struct ieee80211_channel * -rdev_fixed_channel(struct cfg80211_registered_device *rdev, - struct wireless_dev *for_wdev) -{ - struct wireless_dev *wdev; - struct ieee80211_channel *result = NULL; - - WARN_ON(!mutex_is_locked(&rdev->devlist_mtx)); - - list_for_each_entry(wdev, &rdev->netdev_list, list) { - if (wdev == for_wdev) - continue; - - /* - * Lock manually to tell lockdep about allowed - * nesting here if for_wdev->mtx is held already. - * This is ok as it's all under the rdev devlist - * mutex and as such can only be done once at any - * given time. - */ - mutex_lock_nested(&wdev->mtx, SINGLE_DEPTH_NESTING); - if (wdev->current_bss) - result = wdev->current_bss->pub.channel; - wdev_unlock(wdev); - - if (result) - break; - } - - return result; -} - -struct ieee80211_channel * rdev_freq_to_chan(struct cfg80211_registered_device *rdev, int freq, enum nl80211_channel_type channel_type) { @@ -75,15 +43,22 @@ rdev_freq_to_chan(struct cfg80211_registered_device *rdev, return chan; } -int rdev_set_freq(struct cfg80211_registered_device *rdev, - struct wireless_dev *for_wdev, - int freq, enum nl80211_channel_type channel_type) +int cfg80211_set_freq(struct cfg80211_registered_device *rdev, + struct wireless_dev *wdev, int freq, + enum nl80211_channel_type channel_type) { struct ieee80211_channel *chan; int result; - if (rdev_fixed_channel(rdev, for_wdev)) - return -EBUSY; + if (wdev->iftype == NL80211_IFTYPE_MONITOR) + wdev = NULL; + + if (wdev) { + ASSERT_WDEV_LOCK(wdev); + + if (!netif_running(wdev->netdev)) + return -ENETDOWN; + } if (!rdev->ops->set_channel) return -EOPNOTSUPP; @@ -92,11 +67,14 @@ int rdev_set_freq(struct cfg80211_registered_device *rdev, if (!chan) return -EINVAL; - result = rdev->ops->set_channel(&rdev->wiphy, chan, channel_type); + result = rdev->ops->set_channel(&rdev->wiphy, + wdev ? wdev->netdev : NULL, + chan, channel_type); if (result) return result; - rdev->channel = chan; + if (wdev) + wdev->channel = chan; return 0; } diff --git a/net/wireless/core.h b/net/wireless/core.h index b2234b4..ae930ac 100644 --- a/net/wireless/core.h +++ b/net/wireless/core.h @@ -70,9 +70,6 @@ struct cfg80211_registered_device { struct work_struct conn_work; struct work_struct event_work; - /* current channel */ - struct ieee80211_channel *channel; - /* must be last because of the way we do wiphy_priv(), * and it should at least be aligned to NETDEV_ALIGN */ struct wiphy wiphy __attribute__((__aligned__(NETDEV_ALIGN))); @@ -388,14 +385,11 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev, void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev); struct ieee80211_channel * -rdev_fixed_channel(struct cfg80211_registered_device *rdev, - struct wireless_dev *for_wdev); -struct ieee80211_channel * rdev_freq_to_chan(struct cfg80211_registered_device *rdev, int freq, enum nl80211_channel_type channel_type); -int rdev_set_freq(struct cfg80211_registered_device *rdev, - struct wireless_dev *for_wdev, - int freq, enum nl80211_channel_type channel_type); +int cfg80211_set_freq(struct cfg80211_registered_device *rdev, + struct wireless_dev *wdev, int freq, + enum nl80211_channel_type channel_type); u16 cfg80211_calculate_bitrate(struct rate_info *rate); diff --git a/net/wireless/ibss.c b/net/wireless/ibss.c index 6a5acf7..adcabba 100644 --- a/net/wireless/ibss.c +++ b/net/wireless/ibss.c @@ -81,15 +81,10 @@ int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev, struct cfg80211_cached_keys *connkeys) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct ieee80211_channel *chan; int err; ASSERT_WDEV_LOCK(wdev); - chan = rdev_fixed_channel(rdev, wdev); - if (chan && chan != params->channel) - return -EBUSY; - if (wdev->ssid_len) return -EALREADY; diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 01da83dd..aaa1aad 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -589,6 +589,7 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, i++; NLA_PUT_U32(msg, i, NL80211_CMD_SET_WIPHY_NETNS); } + CMD(set_channel, SET_CHANNEL); #undef CMD @@ -689,10 +690,90 @@ static int parse_txq_params(struct nlattr *tb[], return 0; } +static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev) +{ + /* + * You can only set the channel explicitly for AP, mesh + * and WDS type interfaces; all others have their channel + * managed via their respective "establish a connection" + * command (connect, join, ...) + * + * Monitors are special as they are normally slaved to + * whatever else is going on, so they behave as though + * you tried setting the wiphy channel itself. + */ + return !wdev || + wdev->iftype == NL80211_IFTYPE_AP || + wdev->iftype == NL80211_IFTYPE_WDS || + wdev->iftype == NL80211_IFTYPE_MESH_POINT || + wdev->iftype == NL80211_IFTYPE_MONITOR; +} + +static int __nl80211_set_channel(struct cfg80211_registered_device *rdev, + struct wireless_dev *wdev, + struct genl_info *info) +{ + enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT; + u32 freq; + int result; + + if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) + return -EINVAL; + + if (!nl80211_can_set_dev_channel(wdev)) + return -EOPNOTSUPP; + + if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { + channel_type = nla_get_u32(info->attrs[ + NL80211_ATTR_WIPHY_CHANNEL_TYPE]); + if (channel_type != NL80211_CHAN_NO_HT && + channel_type != NL80211_CHAN_HT20 && + channel_type != NL80211_CHAN_HT40PLUS && + channel_type != NL80211_CHAN_HT40MINUS) + return -EINVAL; + } + + freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); + + mutex_lock(&rdev->devlist_mtx); + if (wdev) { + wdev_lock(wdev); + result = cfg80211_set_freq(rdev, wdev, freq, channel_type); + wdev_unlock(wdev); + } else { + result = cfg80211_set_freq(rdev, NULL, freq, channel_type); + } + mutex_unlock(&rdev->devlist_mtx); + + return result; +} + +static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg80211_registered_device *rdev; + struct net_device *netdev; + int result; + + rtnl_lock(); + + result = get_rdev_dev_by_info_ifindex(info, &rdev, &netdev); + if (result) + goto unlock; + + result = __nl80211_set_channel(rdev, netdev->ieee80211_ptr, info); + + unlock: + rtnl_unlock(); + + return result; +} + static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) { struct cfg80211_registered_device *rdev; - int result = 0, rem_txq_params = 0; + struct net_device *netdev = NULL; + struct wireless_dev *wdev; + int result, rem_txq_params = 0; struct nlattr *nl_txq_params; u32 changed; u8 retry_short = 0, retry_long = 0; @@ -701,16 +782,50 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) rtnl_lock(); + /* + * Try to find the wiphy and netdev. Normally this + * function shouldn't need the netdev, but this is + * done for backward compatibility -- previously + * setting the channel was done per wiphy, but now + * it is per netdev. Previous userland like hostapd + * also passed a netdev to set_wiphy, so that it is + * possible to let that go to the right netdev! + */ mutex_lock(&cfg80211_mutex); - rdev = __cfg80211_rdev_from_info(info); - if (IS_ERR(rdev)) { - mutex_unlock(&cfg80211_mutex); - result = PTR_ERR(rdev); - goto unlock; + if (info->attrs[NL80211_ATTR_IFINDEX]) { + int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]); + + netdev = dev_get_by_index(genl_info_net(info), ifindex); + if (netdev && netdev->ieee80211_ptr) { + rdev = wiphy_to_dev(netdev->ieee80211_ptr->wiphy); + mutex_lock(&rdev->mtx); + } else + netdev = NULL; } - mutex_lock(&rdev->mtx); + if (!netdev) { + rdev = __cfg80211_rdev_from_info(info); + if (IS_ERR(rdev)) { + mutex_unlock(&cfg80211_mutex); + result = PTR_ERR(rdev); + goto unlock; + } + wdev = NULL; + netdev = NULL; + result = 0; + + mutex_lock(&rdev->mtx); + } else if (netif_running(netdev) && + nl80211_can_set_dev_channel(netdev->ieee80211_ptr)) + wdev = netdev->ieee80211_ptr; + else + wdev = NULL; + + /* + * end workaround code, by now the rdev is available + * and locked, and wdev may or may not be NULL. + */ if (info->attrs[NL80211_ATTR_WIPHY_NAME]) result = cfg80211_dev_rename( @@ -749,26 +864,7 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) } if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { - enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT; - u32 freq; - - result = -EINVAL; - - if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { - channel_type = nla_get_u32(info->attrs[ - NL80211_ATTR_WIPHY_CHANNEL_TYPE]); - if (channel_type != NL80211_CHAN_NO_HT && - channel_type != NL80211_CHAN_HT20 && - channel_type != NL80211_CHAN_HT40PLUS && - channel_type != NL80211_CHAN_HT40MINUS) - goto bad_res; - } - - freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); - - mutex_lock(&rdev->devlist_mtx); - result = rdev_set_freq(rdev, NULL, freq, channel_type); - mutex_unlock(&rdev->devlist_mtx); + result = __nl80211_set_channel(rdev, wdev, info); if (result) goto bad_res; } @@ -865,6 +961,8 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) bad_res: mutex_unlock(&rdev->mtx); + if (netdev) + dev_put(netdev); unlock: rtnl_unlock(); return result; @@ -3562,9 +3660,8 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) { struct cfg80211_registered_device *rdev; struct net_device *dev; - struct wireless_dev *wdev; struct cfg80211_crypto_settings crypto; - struct ieee80211_channel *chan, *fixedchan; + struct ieee80211_channel *chan; const u8 *bssid, *ssid, *ie = NULL, *prev_bssid = NULL; int err, ssid_len, ie_len = 0; bool use_mfp = false; @@ -3607,16 +3704,6 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) goto out; } - mutex_lock(&rdev->devlist_mtx); - wdev = dev->ieee80211_ptr; - fixedchan = rdev_fixed_channel(rdev, wdev); - if (fixedchan && chan != fixedchan) { - err = -EBUSY; - mutex_unlock(&rdev->devlist_mtx); - goto out; - } - mutex_unlock(&rdev->devlist_mtx); - ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); @@ -5186,6 +5273,12 @@ static struct genl_ops nl80211_ops[] = { .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, }, + { + .cmd = NL80211_CMD_SET_CHANNEL, + .doit = nl80211_set_channel, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + }, }; static struct genl_multicast_group nl80211_mlme_mcgrp = { diff --git a/net/wireless/sme.c b/net/wireless/sme.c index 8ddf5ae..72222f0 100644 --- a/net/wireless/sme.c +++ b/net/wireless/sme.c @@ -741,7 +741,6 @@ int __cfg80211_connect(struct cfg80211_registered_device *rdev, const u8 *prev_bssid) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct ieee80211_channel *chan; struct cfg80211_bss *bss = NULL; int err; @@ -750,10 +749,6 @@ int __cfg80211_connect(struct cfg80211_registered_device *rdev, if (wdev->sme_state != CFG80211_SME_IDLE) return -EALREADY; - chan = rdev_fixed_channel(rdev, wdev); - if (chan && chan != connect->channel) - return -EBUSY; - if (WARN_ON(wdev->connect_keys)) { kfree(wdev->connect_keys); wdev->connect_keys = NULL; diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c index a60a277..9634299 100644 --- a/net/wireless/wext-compat.c +++ b/net/wireless/wext-compat.c @@ -782,16 +782,22 @@ int cfg80211_wext_siwfreq(struct net_device *dev, return cfg80211_mgd_wext_siwfreq(dev, info, wextfreq, extra); case NL80211_IFTYPE_ADHOC: return cfg80211_ibss_wext_siwfreq(dev, info, wextfreq, extra); - default: + case NL80211_IFTYPE_MONITOR: + case NL80211_IFTYPE_WDS: + case NL80211_IFTYPE_MESH_POINT: freq = cfg80211_wext_freq(wdev->wiphy, wextfreq); if (freq < 0) return freq; if (freq == 0) return -EINVAL; + wdev_lock(wdev); mutex_lock(&rdev->devlist_mtx); - err = rdev_set_freq(rdev, NULL, freq, NL80211_CHAN_NO_HT); + err = cfg80211_set_freq(rdev, wdev, freq, NL80211_CHAN_NO_HT); mutex_unlock(&rdev->devlist_mtx); + wdev_unlock(wdev); return err; + default: + return -EOPNOTSUPP; } } EXPORT_SYMBOL_GPL(cfg80211_wext_siwfreq); @@ -801,7 +807,6 @@ int cfg80211_wext_giwfreq(struct net_device *dev, struct iw_freq *freq, char *extra) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); switch (wdev->iftype) { case NL80211_IFTYPE_STATION: @@ -809,9 +814,9 @@ int cfg80211_wext_giwfreq(struct net_device *dev, case NL80211_IFTYPE_ADHOC: return cfg80211_ibss_wext_giwfreq(dev, info, freq, extra); default: - if (!rdev->channel) + if (!wdev->channel) return -EINVAL; - freq->m = rdev->channel->center_freq; + freq->m = wdev->channel->center_freq; freq->e = 6; return 0; } diff --git a/net/wireless/wext-sme.c b/net/wireless/wext-sme.c index d5c6140..9818198 100644 --- a/net/wireless/wext-sme.c +++ b/net/wireless/wext-sme.c @@ -108,7 +108,7 @@ int cfg80211_mgd_wext_siwfreq(struct net_device *dev, /* SSID is not set, we just want to switch channel */ if (chan && !wdev->wext.connect.ssid_len) { - err = rdev_set_freq(rdev, wdev, freq, NL80211_CHAN_NO_HT); + err = cfg80211_set_freq(rdev, wdev, freq, NL80211_CHAN_NO_HT); goto out; } |