diff options
Diffstat (limited to 'net/mac80211/tx.c')
-rw-r--r-- | net/mac80211/tx.c | 62 |
1 files changed, 43 insertions, 19 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 7a637b80a62e..5950e3abead9 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -539,7 +539,11 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx) ieee80211_is_robust_mgmt_frame(hdr) && (key = rcu_dereference(tx->sdata->default_mgmt_key))) tx->key = key; - else if ((key = rcu_dereference(tx->sdata->default_key))) + else if (is_multicast_ether_addr(hdr->addr1) && + (key = rcu_dereference(tx->sdata->default_multicast_key))) + tx->key = key; + else if (!is_multicast_ether_addr(hdr->addr1) && + (key = rcu_dereference(tx->sdata->default_unicast_key))) tx->key = key; else if (tx->sdata->drop_unencrypted && (tx->skb->protocol != tx->sdata->control_port_protocol) && @@ -622,7 +626,8 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_tx_data *tx) txrc.max_rate_idx = -1; else txrc.max_rate_idx = fls(txrc.rate_idx_mask) - 1; - txrc.ap = tx->sdata->vif.type == NL80211_IFTYPE_AP; + txrc.bss = (tx->sdata->vif.type == NL80211_IFTYPE_AP || + tx->sdata->vif.type == NL80211_IFTYPE_ADHOC); /* set up RTS protection if desired */ if (len > tx->local->hw.wiphy->rts_threshold) { @@ -665,10 +670,11 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_tx_data *tx) if (unlikely(info->control.rates[0].idx < 0)) return TX_DROP; - if (txrc.reported_rate.idx < 0) + if (txrc.reported_rate.idx < 0) { txrc.reported_rate = info->control.rates[0]; - - if (tx->sta) + if (tx->sta && ieee80211_is_data(hdr->frame_control)) + tx->sta->last_tx_rate = txrc.reported_rate; + } else if (tx->sta) tx->sta->last_tx_rate = txrc.reported_rate; if (unlikely(!info->control.rates[0].count)) @@ -1033,6 +1039,7 @@ static bool __ieee80211_parse_tx_radiotap(struct ieee80211_tx_data *tx, struct ieee80211_radiotap_header *rthdr = (struct ieee80211_radiotap_header *) skb->data; struct ieee80211_supported_band *sband; + bool hw_frag; struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); int ret = ieee80211_radiotap_iterator_init(&iterator, rthdr, skb->len, NULL); @@ -1042,6 +1049,9 @@ static bool __ieee80211_parse_tx_radiotap(struct ieee80211_tx_data *tx, info->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT; tx->flags &= ~IEEE80211_TX_FRAGMENTED; + /* packet is fragmented in HW if we have a non-NULL driver callback */ + hw_frag = (tx->local->ops->set_frag_threshold != NULL); + /* * for every radiotap entry that is present * (ieee80211_radiotap_iterator_next returns -ENOENT when no more @@ -1078,7 +1088,8 @@ static bool __ieee80211_parse_tx_radiotap(struct ieee80211_tx_data *tx, } if (*iterator.this_arg & IEEE80211_RADIOTAP_F_WEP) info->flags &= ~IEEE80211_TX_INTFL_DONT_ENCRYPT; - if (*iterator.this_arg & IEEE80211_RADIOTAP_F_FRAG) + if ((*iterator.this_arg & IEEE80211_RADIOTAP_F_FRAG) && + !hw_frag) tx->flags |= IEEE80211_TX_FRAGMENTED; break; @@ -1181,8 +1192,10 @@ ieee80211_tx_prepare(struct ieee80211_sub_if_data *sdata, /* * Set this flag (used below to indicate "automatic fragmentation"), * it will be cleared/left by radiotap as desired. + * Only valid when fragmentation is done by the stack. */ - tx->flags |= IEEE80211_TX_FRAGMENTED; + if (!local->ops->set_frag_threshold) + tx->flags |= IEEE80211_TX_FRAGMENTED; /* process and remove the injection radiotap header */ if (unlikely(info->flags & IEEE80211_TX_INTFL_HAS_RADIOTAP)) { @@ -1284,6 +1297,7 @@ static int __ieee80211_tx(struct ieee80211_local *local, while (skb) { int q = skb_get_queue_mapping(skb); + __le16 fc; spin_lock_irqsave(&local->queue_stop_reason_lock, flags); ret = IEEE80211_TX_OK; @@ -1326,6 +1340,7 @@ static int __ieee80211_tx(struct ieee80211_local *local, else info->control.sta = NULL; + fc = ((struct ieee80211_hdr *)skb->data)->frame_control; ret = drv_tx(local, skb); if (WARN_ON(ret != NETDEV_TX_OK && skb->len != len)) { dev_kfree_skb(skb); @@ -1336,6 +1351,7 @@ static int __ieee80211_tx(struct ieee80211_local *local, return IEEE80211_TX_AGAIN; } + ieee80211_tpt_led_trig_tx(local, fc, len); *skbp = skb = next; ieee80211_led_tx(local, 1); fragm = true; @@ -1533,8 +1549,10 @@ static int ieee80211_skb_resize(struct ieee80211_local *local, if (skb_header_cloned(skb)) I802_DEBUG_INC(local->tx_expand_skb_head_cloned); - else + else if (head_need || tail_need) I802_DEBUG_INC(local->tx_expand_skb_head); + else + return 0; if (pskb_expand_head(skb, head_need, tail_need, GFP_ATOMIC)) { wiphy_debug(local->hw.wiphy, @@ -1726,12 +1744,13 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, { struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); struct ieee80211_local *local = sdata->local; - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct ieee80211_tx_info *info; int ret = NETDEV_TX_BUSY, head_need; u16 ethertype, hdrlen, meshhdrlen = 0; __le16 fc; struct ieee80211_hdr hdr; struct ieee80211s_hdr mesh_hdr __maybe_unused; + struct mesh_path *mppath = NULL; const u8 *encaps_data; int encaps_len, skip_header_bytes; int nh_pos, h_pos; @@ -1792,16 +1811,23 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, ret = NETDEV_TX_OK; goto fail; } + if (!is_multicast_ether_addr(skb->data)) + mppath = mpp_path_lookup(skb->data, sdata); + /* + * Do not use address extension, if it is a packet from + * the same interface and the destination is not being + * proxied by any other mest point. + */ if (compare_ether_addr(sdata->vif.addr, - skb->data + ETH_ALEN) == 0) { + skb->data + ETH_ALEN) == 0 && + (!mppath || !compare_ether_addr(mppath->mpp, skb->data))) { hdrlen = ieee80211_fill_mesh_addresses(&hdr, &fc, skb->data, skb->data + ETH_ALEN); meshhdrlen = ieee80211_new_mesh_header(&mesh_hdr, - sdata, NULL, NULL, NULL); + sdata, NULL, NULL); } else { /* packet from other interface */ - struct mesh_path *mppath; int is_mesh_mcast = 1; const u8 *mesh_da; @@ -1812,8 +1838,6 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, else { static const u8 bcast[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; - - mppath = mpp_path_lookup(skb->data, sdata); if (mppath) { /* RA TA mDA mSA AE:DA SA */ mesh_da = mppath->mpp; @@ -1831,13 +1855,11 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, ieee80211_new_mesh_header(&mesh_hdr, sdata, skb->data + ETH_ALEN, - NULL, NULL); else meshhdrlen = ieee80211_new_mesh_header(&mesh_hdr, sdata, - NULL, skb->data, skb->data + ETH_ALEN); @@ -1921,7 +1943,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, */ if (skb_shared(skb)) { tmp_skb = skb; - skb = skb_copy(skb, GFP_ATOMIC); + skb = skb_clone(skb, GFP_ATOMIC); kfree_skb(tmp_skb); if (!skb) { @@ -2017,6 +2039,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, skb_set_network_header(skb, nh_pos); skb_set_transport_header(skb, h_pos); + info = IEEE80211_SKB_CB(skb); memset(info, 0, sizeof(*info)); dev->trans_start = jiffies; @@ -2277,7 +2300,8 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw, u8 *pos; /* headroom, head length, tail length and maximum TIM length */ - skb = dev_alloc_skb(local->tx_headroom + 400); + skb = dev_alloc_skb(local->tx_headroom + 400 + + sdata->u.mesh.vendor_ie_len); if (!skb) goto out; @@ -2321,7 +2345,7 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw, txrc.max_rate_idx = -1; else txrc.max_rate_idx = fls(txrc.rate_idx_mask) - 1; - txrc.ap = true; + txrc.bss = true; rate_control_get_rate(sdata, NULL, &txrc); info->control.vif = vif; |