diff options
Diffstat (limited to 'net/mac80211/tx.c')
| -rw-r--r-- | net/mac80211/tx.c | 47 |
1 files changed, 38 insertions, 9 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index bfaa43e096d..3ad053f6de1 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1051,7 +1051,10 @@ ieee80211_tx_prepare(struct ieee80211_sub_if_data *sdata, hdr = (struct ieee80211_hdr *) skb->data; - tx->sta = sta_info_get(local, hdr->addr1); + if ((sdata->vif.type == NL80211_IFTYPE_AP_VLAN) && sdata->use_4addr) + tx->sta = rcu_dereference(sdata->u.vlan.sta); + if (!tx->sta) + tx->sta = sta_info_get(local, hdr->addr1); if (tx->sta && ieee80211_is_data_qos(hdr->frame_control) && (local->hw.flags & IEEE80211_HW_AMPDU_AGGREGATION)) { @@ -1613,7 +1616,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, const u8 *encaps_data; int encaps_len, skip_header_bytes; int nh_pos, h_pos; - struct sta_info *sta; + struct sta_info *sta = NULL; u32 sta_flags = 0; if (unlikely(skb->len < ETH_HLEN)) { @@ -1630,8 +1633,25 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA); switch (sdata->vif.type) { - case NL80211_IFTYPE_AP: case NL80211_IFTYPE_AP_VLAN: + rcu_read_lock(); + if (sdata->use_4addr) + sta = rcu_dereference(sdata->u.vlan.sta); + if (sta) { + fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS); + /* RA TA DA SA */ + memcpy(hdr.addr1, sta->sta.addr, ETH_ALEN); + memcpy(hdr.addr2, dev->dev_addr, ETH_ALEN); + memcpy(hdr.addr3, skb->data, ETH_ALEN); + memcpy(hdr.addr4, skb->data + ETH_ALEN, ETH_ALEN); + hdrlen = 30; + sta_flags = get_sta_flags(sta); + } + rcu_read_unlock(); + if (sta) + break; + /* fall through */ + case NL80211_IFTYPE_AP: fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS); /* DA BSSID SA */ memcpy(hdr.addr1, skb->data, ETH_ALEN); @@ -1705,12 +1725,21 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, break; #endif case NL80211_IFTYPE_STATION: - fc |= cpu_to_le16(IEEE80211_FCTL_TODS); - /* BSSID SA DA */ memcpy(hdr.addr1, sdata->u.mgd.bssid, ETH_ALEN); - memcpy(hdr.addr2, skb->data + ETH_ALEN, ETH_ALEN); - memcpy(hdr.addr3, skb->data, ETH_ALEN); - hdrlen = 24; + if (sdata->use_4addr && ethertype != ETH_P_PAE) { + fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS); + /* RA TA DA SA */ + memcpy(hdr.addr2, dev->dev_addr, ETH_ALEN); + memcpy(hdr.addr3, skb->data, ETH_ALEN); + memcpy(hdr.addr4, skb->data + ETH_ALEN, ETH_ALEN); + hdrlen = 30; + } else { + fc |= cpu_to_le16(IEEE80211_FCTL_TODS); + /* BSSID SA DA */ + memcpy(hdr.addr2, skb->data + ETH_ALEN, ETH_ALEN); + memcpy(hdr.addr3, skb->data, ETH_ALEN); + hdrlen = 24; + } break; case NL80211_IFTYPE_ADHOC: /* DA SA BSSID */ @@ -2119,7 +2148,7 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw, cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON); memset(mgmt->da, 0xff, ETH_ALEN); memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN); - /* BSSID is left zeroed, wildcard value */ + memcpy(mgmt->bssid, sdata->dev->dev_addr, ETH_ALEN); mgmt->u.beacon.beacon_int = cpu_to_le16(sdata->vif.bss_conf.beacon_int); mgmt->u.beacon.capab_info = 0x0; /* 0x0 for MPs */ |