diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00mac.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00mac.c | 76 |
1 files changed, 44 insertions, 32 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c index 767e0ffce04..c05e05b5888 100644 --- a/drivers/net/wireless/rt2x00/rt2x00mac.c +++ b/drivers/net/wireless/rt2x00/rt2x00mac.c @@ -31,14 +31,15 @@ static int rt2x00mac_tx_rts_cts(struct rt2x00_dev *rt2x00dev, struct data_queue *queue, - struct sk_buff *frag_skb, - struct ieee80211_tx_control *control) + struct sk_buff *frag_skb) { + struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(frag_skb); struct skb_frame_desc *skbdesc; + struct ieee80211_tx_info *rts_info; struct sk_buff *skb; int size; - if (control->flags & IEEE80211_TXCTL_USE_CTS_PROTECT) + if (tx_info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT) size = sizeof(struct ieee80211_cts); else size = sizeof(struct ieee80211_rts); @@ -52,13 +53,33 @@ static int rt2x00mac_tx_rts_cts(struct rt2x00_dev *rt2x00dev, skb_reserve(skb, rt2x00dev->hw->extra_tx_headroom); skb_put(skb, size); - if (control->flags & IEEE80211_TXCTL_USE_CTS_PROTECT) - ieee80211_ctstoself_get(rt2x00dev->hw, control->vif, - frag_skb->data, frag_skb->len, control, + /* + * Copy TX information over from original frame to + * RTS/CTS frame. Note that we set the no encryption flag + * since we don't want this frame to be encrypted. + * RTS frames should be acked, while CTS-to-self frames + * should not. The ready for TX flag is cleared to prevent + * it being automatically send when the descriptor is + * written to the hardware. + */ + memcpy(skb->cb, frag_skb->cb, sizeof(skb->cb)); + rts_info = IEEE80211_SKB_CB(skb); + rts_info->flags |= IEEE80211_TX_CTL_DO_NOT_ENCRYPT; + rts_info->flags &= ~IEEE80211_TX_CTL_USE_CTS_PROTECT; + rts_info->flags &= ~IEEE80211_TX_CTL_REQ_TX_STATUS; + + if (tx_info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT) + rts_info->flags |= IEEE80211_TX_CTL_NO_ACK; + else + rts_info->flags &= ~IEEE80211_TX_CTL_NO_ACK; + + if (tx_info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT) + ieee80211_ctstoself_get(rt2x00dev->hw, tx_info->control.vif, + frag_skb->data, size, tx_info, (struct ieee80211_cts *)(skb->data)); else - ieee80211_rts_get(rt2x00dev->hw, control->vif, - frag_skb->data, frag_skb->len, control, + ieee80211_rts_get(rt2x00dev->hw, tx_info->control.vif, + frag_skb->data, size, tx_info, (struct ieee80211_rts *)(skb->data)); /* @@ -68,7 +89,7 @@ static int rt2x00mac_tx_rts_cts(struct rt2x00_dev *rt2x00dev, memset(skbdesc, 0, sizeof(*skbdesc)); skbdesc->flags |= FRAME_DESC_DRIVER_GENERATED; - if (rt2x00dev->ops->lib->write_tx_data(rt2x00dev, queue, skb, control)) { + if (rt2x00dev->ops->lib->write_tx_data(rt2x00dev, queue, skb)) { WARNING(rt2x00dev, "Failed to send RTS/CTS frame.\n"); return NETDEV_TX_BUSY; } @@ -76,14 +97,13 @@ static int rt2x00mac_tx_rts_cts(struct rt2x00_dev *rt2x00dev, return NETDEV_TX_OK; } -int rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb, - struct ieee80211_tx_control *control) +int rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb) { struct rt2x00_dev *rt2x00dev = hw->priv; + struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); struct ieee80211_hdr *ieee80211hdr = (struct ieee80211_hdr *)skb->data; - enum data_queue_qid qid = mac80211_queue_to_qid(control->queue); + enum data_queue_qid qid = skb_get_queue_mapping(skb); struct data_queue *queue; - struct skb_frame_desc *skbdesc; u16 frame_control; /* @@ -100,7 +120,7 @@ int rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb, /* * Determine which queue to put packet on. */ - if (control->flags & IEEE80211_TXCTL_SEND_AFTER_DTIM && + if (tx_info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM && test_bit(DRIVER_REQUIRE_ATIM_QUEUE, &rt2x00dev->flags)) queue = rt2x00queue_get_queue(rt2x00dev, QID_ATIM); else @@ -125,33 +145,27 @@ int rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb, */ frame_control = le16_to_cpu(ieee80211hdr->frame_control); if (!is_rts_frame(frame_control) && !is_cts_frame(frame_control) && - (control->flags & (IEEE80211_TXCTL_USE_RTS_CTS | - IEEE80211_TXCTL_USE_CTS_PROTECT)) && + (tx_info->flags & (IEEE80211_TX_CTL_USE_RTS_CTS | + IEEE80211_TX_CTL_USE_CTS_PROTECT)) && !rt2x00dev->ops->hw->set_rts_threshold) { if (rt2x00queue_available(queue) <= 1) { - ieee80211_stop_queue(rt2x00dev->hw, control->queue); + ieee80211_stop_queue(rt2x00dev->hw, qid); return NETDEV_TX_BUSY; } - if (rt2x00mac_tx_rts_cts(rt2x00dev, queue, skb, control)) { - ieee80211_stop_queue(rt2x00dev->hw, control->queue); + if (rt2x00mac_tx_rts_cts(rt2x00dev, queue, skb)) { + ieee80211_stop_queue(rt2x00dev->hw, qid); return NETDEV_TX_BUSY; } } - /* - * Initialize skb descriptor - */ - skbdesc = get_skb_frame_desc(skb); - memset(skbdesc, 0, sizeof(*skbdesc)); - - if (rt2x00dev->ops->lib->write_tx_data(rt2x00dev, queue, skb, control)) { - ieee80211_stop_queue(rt2x00dev->hw, control->queue); + if (rt2x00dev->ops->lib->write_tx_data(rt2x00dev, queue, skb)) { + ieee80211_stop_queue(rt2x00dev->hw, qid); return NETDEV_TX_BUSY; } if (rt2x00queue_full(queue)) - ieee80211_stop_queue(rt2x00dev->hw, control->queue); + ieee80211_stop_queue(rt2x00dev->hw, qid); if (rt2x00dev->ops->lib->kick_tx_queue) rt2x00dev->ops->lib->kick_tx_queue(rt2x00dev, qid); @@ -380,9 +394,7 @@ int rt2x00mac_config_interface(struct ieee80211_hw *hw, if (conf->type != IEEE80211_IF_TYPE_AP || !conf->beacon) return 0; - status = rt2x00dev->ops->hw->beacon_update(rt2x00dev->hw, - conf->beacon, - conf->beacon_control); + status = rt2x00dev->ops->hw->beacon_update(rt2x00dev->hw, conf->beacon); if (status) dev_kfree_skb(conf->beacon); @@ -456,7 +468,7 @@ int rt2x00mac_get_tx_stats(struct ieee80211_hw *hw, struct rt2x00_dev *rt2x00dev = hw->priv; unsigned int i; - for (i = 0; i < hw->queues; i++) { + for (i = 0; i < rt2x00dev->ops->tx_queues; i++) { stats[i].len = rt2x00dev->tx[i].length; stats[i].limit = rt2x00dev->tx[i].limit; stats[i].count = rt2x00dev->tx[i].count; |