diff options
Diffstat (limited to 'net/mac80211/rx.c')
| -rw-r--r-- | net/mac80211/rx.c | 51 |
1 files changed, 41 insertions, 10 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 6175db385ba7..a47bbc973f2d 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -2298,6 +2298,8 @@ ieee80211_rx_h_amsdu(struct ieee80211_rx_data *rx) __le16 fc = hdr->frame_control; struct sk_buff_head frame_list; struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb); + struct ethhdr ethhdr; + const u8 *check_da = ethhdr.h_dest, *check_sa = ethhdr.h_source; if (unlikely(!ieee80211_is_data(fc))) return RX_CONTINUE; @@ -2308,24 +2310,53 @@ ieee80211_rx_h_amsdu(struct ieee80211_rx_data *rx) if (!(status->rx_flags & IEEE80211_RX_AMSDU)) return RX_CONTINUE; - if (ieee80211_has_a4(hdr->frame_control) && - rx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && - !rx->sdata->u.vlan.sta) - return RX_DROP_UNUSABLE; + if (unlikely(ieee80211_has_a4(hdr->frame_control))) { + switch (rx->sdata->vif.type) { + case NL80211_IFTYPE_AP_VLAN: + if (!rx->sdata->u.vlan.sta) + return RX_DROP_UNUSABLE; + break; + case NL80211_IFTYPE_STATION: + if (!rx->sdata->u.mgd.use_4addr) + return RX_DROP_UNUSABLE; + break; + default: + return RX_DROP_UNUSABLE; + } + check_da = NULL; + check_sa = NULL; + } else switch (rx->sdata->vif.type) { + case NL80211_IFTYPE_AP: + case NL80211_IFTYPE_AP_VLAN: + check_da = NULL; + break; + case NL80211_IFTYPE_STATION: + if (!rx->sta || + !test_sta_flag(rx->sta, WLAN_STA_TDLS_PEER)) + check_sa = NULL; + break; + case NL80211_IFTYPE_MESH_POINT: + check_sa = NULL; + break; + default: + break; + } - if (is_multicast_ether_addr(hdr->addr1) && - ((rx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && - rx->sdata->u.vlan.sta) || - (rx->sdata->vif.type == NL80211_IFTYPE_STATION && - rx->sdata->u.mgd.use_4addr))) + if (is_multicast_ether_addr(hdr->addr1)) return RX_DROP_UNUSABLE; skb->dev = dev; __skb_queue_head_init(&frame_list); + if (ieee80211_data_to_8023_exthdr(skb, ðhdr, + rx->sdata->vif.addr, + rx->sdata->vif.type)) + return RX_DROP_UNUSABLE; + ieee80211_amsdu_to_8023s(skb, &frame_list, dev->dev_addr, rx->sdata->vif.type, - rx->local->hw.extra_tx_headroom, true); + rx->local->hw.extra_tx_headroom, + check_da, check_sa); while (!skb_queue_empty(&frame_list)) { rx->skb = __skb_dequeue(&frame_list); |