mac80211: allow using AP_LINK_PS with mac80211-generated TIM IE

[cascardo/linux.git] / net / ipv4 / ip_output.c

diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 6556927..05d1058 100644 (file)
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -99,6 +99,14 @@ int __ip_local_out(struct net *net, struct sock *sk, struct sk_buff *skb)
 
        iph->tot_len = htons(skb->len);
        ip_send_check(iph);
+
+       /* if egress device is enslaved to an L3 master device pass the
+        * skb to its handler for processing
+        */
+       skb = l3mdev_ip_out(sk, skb);
+       if (unlikely(!skb))
+               return 0;
+
        return nf_hook(NFPROTO_IPV4, NF_INET_LOCAL_OUT,
                       net, sk, skb, NULL, skb_dst(skb)->dev,
                       dst_output);
@@ -490,7 +498,7 @@ static void ip_copy_metadata(struct sk_buff *to, struct sk_buff *from)
        to->tc_index = from->tc_index;
 #endif
        nf_copy(to, from);
-#if defined(CONFIG_IP_VS) || defined(CONFIG_IP_VS_MODULE)
+#if IS_ENABLED(CONFIG_IP_VS)
        to->ipvs_property = from->ipvs_property;
 #endif
        skb_copy_secmark(to, from);
@@ -1574,8 +1582,7 @@ void ip_send_unicast_reply(struct sock *sk, struct sk_buff *skb,
        }
 
        oif = arg->bound_dev_if;
-       if (!oif && netif_index_is_l3_master(net, skb->skb_iif))
-               oif = skb->skb_iif;
+       oif = oif ? : skb->skb_iif;
 
        flowi4_init_output(&fl4, oif,
                           IP4_REPLY_MARK(net, skb->mark),