tcp: propagate MPTCP skb extensions on xmit splits

[sfrench/cifs-2.6.git] / net / ipv4 / tcp_output.c

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index bf48cd73e96787a14b6f9af8beddb1067a7cb8dc..9abf5a0358d54869aa91a1e1a3125c1072af7305 100644 (file)
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -1569,6 +1569,7 @@ int tcp_fragment(struct sock *sk, enum tcp_queue tcp_queue,
        if (!buff)
                return -ENOMEM; /* We'll just try again later. */
        skb_copy_decrypted(buff, skb);
+       mptcp_skb_ext_copy(buff, skb);
 
        sk_wmem_queued_add(sk, buff->truesize);
        sk_mem_charge(sk, buff->truesize);
@@ -2123,6 +2124,7 @@ static int tso_fragment(struct sock *sk, struct sk_buff *skb, unsigned int len,
        if (unlikely(!buff))
                return -ENOMEM;
        skb_copy_decrypted(buff, skb);
+       mptcp_skb_ext_copy(buff, skb);
 
        sk_wmem_queued_add(sk, buff->truesize);
        sk_mem_charge(sk, buff->truesize);
@@ -2393,6 +2395,7 @@ static int tcp_mtu_probe(struct sock *sk)
 
        skb = tcp_send_head(sk);
        skb_copy_decrypted(nskb, skb);
+       mptcp_skb_ext_copy(nskb, skb);
 
        TCP_SKB_CB(nskb)->seq = TCP_SKB_CB(skb)->seq;
        TCP_SKB_CB(nskb)->end_seq = TCP_SKB_CB(skb)->seq + probe_size;