3 files changed, 13 insertions, 6 deletions

diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
index e4147ec1665a..be2f8da0ae8e 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net/ipv4/ip_tunnel.c
@@ -503,6 +503,7 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev,
 
         inner_iph = (const struct iphdr *)skb_inner_network_header(skb);
 
+        memset(IPCB(skb), 0, sizeof(*IPCB(skb)));
         dst = tnl_params->daddr;
         if (dst == 0) {
                 /* NBMA tunnel */
@@ -658,7 +659,6 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev,
 
         skb_dst_drop(skb);
         skb_dst_set(skb, &rt->dst);
-        memset(IPCB(skb), 0, sizeof(*IPCB(skb)));
 
         /* Push down and install the IP header. */
         skb_push(skb, sizeof(struct iphdr));
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 550781a17b34..d35bbf0cf404 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -737,10 +737,15 @@ static void ip_do_redirect(struct dst_entry *dst, struct sock *sk, struct sk_buf
 {
         struct rtable *rt;
         struct flowi4 fl4;
+        const struct iphdr *iph = (const struct iphdr *) skb->data;
+        int oif = skb->dev->ifindex;
+        u8 tos = RT_TOS(iph->tos);
+        u8 prot = iph->protocol;
+        u32 mark = skb->mark;
 
         rt = (struct rtable *) dst;
 
-        ip_rt_build_flow_key(&fl4, sk, skb);
+        __build_flow_key(&fl4, sk, iph, oif, tos, prot, mark, 0);
         __ip_do_redirect(rt, skb, &fl4, true);
 }
 
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 536d40929ba6..ec335fabd5cc 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -874,11 +874,13 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it,
                                                            &md5);
         tcp_header_size = tcp_options_size + sizeof(struct tcphdr);
 
-        if (tcp_packets_in_flight(tp) == 0) {
+        if (tcp_packets_in_flight(tp) == 0)
                 tcp_ca_event(sk, CA_EVENT_TX_START);
-                skb->ooo_okay = 1;
-        } else
-                skb->ooo_okay = 0;
+
+        /* if no packet is in qdisc/device queue, then allow XPS to select
+         * another queue.
+         */
+        skb->ooo_okay = sk_wmem_alloc_get(sk) == 0;
 
         skb_push(skb, tcp_header_size);
         skb_reset_transport_header(skb);