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Diffstat (limited to 'net/ipv4/tcp_output.c')
-rw-r--r--net/ipv4/tcp_output.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 0bc05d68cd74..85ff417bda7f 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -1066,6 +1066,10 @@ static void tcp_update_skb_after_send(struct sock *sk, struct sk_buff *skb,
list_move_tail(&skb->tcp_tsorted_anchor, &tp->tsorted_sent_queue);
}
+INDIRECT_CALLABLE_DECLARE(int ip_queue_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl));
+INDIRECT_CALLABLE_DECLARE(int inet6_csk_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl));
+INDIRECT_CALLABLE_DECLARE(void tcp_v4_send_check(struct sock *sk, struct sk_buff *skb));
+
/* This routine actually transmits TCP packets queued in by
* tcp_do_sendmsg(). This is used by both the initial
* transmission and possible later retransmissions.
@@ -1209,7 +1213,9 @@ static int __tcp_transmit_skb(struct sock *sk, struct sk_buff *skb,
}
#endif
- icsk->icsk_af_ops->send_check(sk, skb);
+ INDIRECT_CALL_INET(icsk->icsk_af_ops->send_check,
+ tcp_v6_send_check, tcp_v4_send_check,
+ sk, skb);
if (likely(tcb->tcp_flags & TCPHDR_ACK))
tcp_event_ack_sent(sk, tcp_skb_pcount(skb), rcv_nxt);
@@ -1237,7 +1243,9 @@ static int __tcp_transmit_skb(struct sock *sk, struct sk_buff *skb,
tcp_add_tx_delay(skb, tp);
- err = icsk->icsk_af_ops->queue_xmit(sk, skb, &inet->cork.fl);
+ err = INDIRECT_CALL_INET(icsk->icsk_af_ops->queue_xmit,
+ inet6_csk_xmit, ip_queue_xmit,
+ sk, skb, &inet->cork.fl);
if (unlikely(err > 0)) {
tcp_enter_cwr(sk);
@@ -3332,6 +3340,8 @@ int tcp_send_synack(struct sock *sk)
* sk: listener socket
* dst: dst entry attached to the SYNACK
* req: request_sock pointer
+ * foc: cookie for tcp fast open
+ * synack_type: Type of synback to prepare
*
* Allocate one skb and build a SYNACK packet.
* @dst is consumed : Caller should not use it again.
@@ -3383,7 +3393,7 @@ struct sk_buff *tcp_make_synack(const struct sock *sk, struct dst_entry *dst,
memset(&opts, 0, sizeof(opts));
now = tcp_clock_ns();
#ifdef CONFIG_SYN_COOKIES
- if (unlikely(req->cookie_ts))
+ if (unlikely(synack_type == TCP_SYNACK_COOKIE && ireq->tstamp_ok))
skb->skb_mstamp_ns = cookie_init_timestamp(req, now);
else
#endif