diff options
Diffstat (limited to 'net/mac80211/tx.c')
| -rw-r--r-- | net/mac80211/tx.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 9661f5441686..772e36909fa3 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -3064,6 +3064,7 @@ static bool ieee80211_amsdu_prepare_head(struct ieee80211_sub_if_data *sdata, int subframe_len = skb->len - hdr_len; void *data; u8 *qc, *h_80211_src, *h_80211_dst; + const u8 *bssid; if (info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE) return false; @@ -3087,6 +3088,28 @@ static bool ieee80211_amsdu_prepare_head(struct ieee80211_sub_if_data *sdata, ether_addr_copy(amsdu_hdr->h_source, h_80211_src); ether_addr_copy(amsdu_hdr->h_dest, h_80211_dst); + /* according to IEEE 802.11-2012 8.3.2 table 8-19, the outer SA/DA + * fields needs to be changed to BSSID for A-MSDU frames depending + * on FromDS/ToDS values. + */ + switch (sdata->vif.type) { + case NL80211_IFTYPE_STATION: + bssid = sdata->u.mgd.bssid; + break; + case NL80211_IFTYPE_AP: + case NL80211_IFTYPE_AP_VLAN: + bssid = sdata->vif.addr; + break; + default: + bssid = NULL; + } + + if (bssid && ieee80211_has_fromds(hdr->frame_control)) + ether_addr_copy(h_80211_src, bssid); + + if (bssid && ieee80211_has_tods(hdr->frame_control)) + ether_addr_copy(h_80211_dst, bssid); + qc = ieee80211_get_qos_ctl(hdr); *qc |= IEEE80211_QOS_CTL_A_MSDU_PRESENT; |