1 files changed, 10 insertions, 0 deletions

diff --git a/include/net/sock.h b/include/net/sock.h
index f91ee82522ff..69d869e41c35 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1025,6 +1025,16 @@ sk_dst_check(struct sock *sk, u32 cookie)
         return dst;
 }
 
+static inline void sk_setup_caps(struct sock *sk, struct dst_entry *dst)
+{
+        __sk_dst_set(sk, dst);
+        sk->sk_route_caps = dst->dev->features;
+        if (sk->sk_route_caps & NETIF_F_TSO) {
+                if (sock_flag(sk, SOCK_NO_LARGESEND) || dst->header_len)
+                        sk->sk_route_caps &= ~NETIF_F_TSO;
+        }
+}
+
 static inline void sk_charge_skb(struct sock *sk, struct sk_buff *skb)
 {
         sk->sk_wmem_queued   += skb->truesize;