diff options
Diffstat (limited to 'net/mac80211/tx.c')
-rw-r--r-- | net/mac80211/tx.c | 34 |
1 files changed, 20 insertions, 14 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 65dfc24916e8..1e829597f32c 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -4190,11 +4190,10 @@ static bool ieee80211_tx_8023(struct ieee80211_sub_if_data *sdata, static void ieee80211_8023_xmit(struct ieee80211_sub_if_data *sdata, struct net_device *dev, struct sta_info *sta, - struct sk_buff *skb) + struct ieee80211_key *key, struct sk_buff *skb) { struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); struct ieee80211_local *local = sdata->local; - struct ieee80211_key *key; struct tid_ampdu_tx *tid_tx; u8 tid; @@ -4243,7 +4242,6 @@ static void ieee80211_8023_xmit(struct ieee80211_sub_if_data *sdata, info->control.flags |= IEEE80211_TX_CTRL_HW_80211_ENCAP; info->control.vif = &sdata->vif; - key = rcu_dereference(sta->ptk[sta->ptk_idx]); if (key) info->control.hw_key = &key->conf; @@ -4260,12 +4258,9 @@ netdev_tx_t ieee80211_subif_start_xmit_8023(struct sk_buff *skb, { struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); struct ethhdr *ehdr = (struct ethhdr *)skb->data; + struct ieee80211_key *key; struct sta_info *sta; - - if (WARN_ON(!sdata->hw_80211_encap)) { - kfree_skb(skb); - return NETDEV_TX_OK; - } + bool offload = true; if (unlikely(skb->len < ETH_HLEN)) { kfree_skb(skb); @@ -4274,15 +4269,26 @@ netdev_tx_t ieee80211_subif_start_xmit_8023(struct sk_buff *skb, rcu_read_lock(); - if (ieee80211_lookup_ra_sta(sdata, skb, &sta)) + if (ieee80211_lookup_ra_sta(sdata, skb, &sta)) { kfree_skb(skb); - else if (unlikely(IS_ERR_OR_NULL(sta) || !sta->uploaded || - !test_sta_flag(sta, WLAN_STA_AUTHORIZED) || - sdata->control_port_protocol == ehdr->h_proto)) - ieee80211_subif_start_xmit(skb, dev); + goto out; + } + + if (unlikely(IS_ERR_OR_NULL(sta) || !sta->uploaded || + !test_sta_flag(sta, WLAN_STA_AUTHORIZED) || + sdata->control_port_protocol == ehdr->h_proto)) + offload = false; + else if ((key = rcu_dereference(sta->ptk[sta->ptk_idx])) && + (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) || + key->conf.cipher == WLAN_CIPHER_SUITE_TKIP)) + offload = false; + + if (offload) + ieee80211_8023_xmit(sdata, dev, sta, key, skb); else - ieee80211_8023_xmit(sdata, dev, sta, skb); + ieee80211_subif_start_xmit(skb, dev); +out: rcu_read_unlock(); return NETDEV_TX_OK; |