Commit 2b916477 authored by Andrey Vagin's avatar Andrey Vagin Committed by David S. Miller
Browse files

ipv6: adapt connect for repair move 



This is work the same as for ipv4.

All other hacks about tcp repair are in common code for ipv4 and ipv6,
so this patch is enough for repairing ipv6 connections.

Cc: "David S. Miller" <davem@davemloft.net>
Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Cc: James Morris <jmorris@namei.org>
Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Cc: Patrick McHardy <kaber@trash.net>
Cc: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: default avatarAndrey Vagin <avagin@openvz.org>
Acked-by: default avatarPavel Emelyanov <xemul@parallels.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 242a18d1

net/ipv4/tcp_ipv4.c

+1 −12
Original line number Diff line number Diff line
@@ -138,14 +138,6 @@ int tcp_twsk_unique(struct sock *sk, struct sock *sktw, void *twp) 
}

EXPORT_SYMBOL_GPL(tcp_twsk_unique);



static int tcp_repair_connect(struct sock *sk)

{

	tcp_connect_init(sk);

	tcp_finish_connect(sk, NULL);



	return 0;

}



/* This will initiate an outgoing connection. */

int tcp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)

{
@@ -250,10 +242,7 @@ int tcp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) 


	inet->inet_id = tp->write_seq ^ jiffies;



	if (likely(!tp->repair))

	err = tcp_connect(sk);

	else

		err = tcp_repair_connect(sk);



	rt = NULL;

	if (err)

net/ipv4/tcp_output.c

+5 −0
Original line number Diff line number Diff line
@@ -2987,6 +2987,11 @@ int tcp_connect(struct sock *sk) 


	tcp_connect_init(sk);



	if (unlikely(tp->repair)) {

		tcp_finish_connect(sk, NULL);

		return 0;

	}



	buff = alloc_skb_fclone(MAX_TCP_HEADER + 15, sk->sk_allocation);

	if (unlikely(buff == NULL))

		return -ENOBUFS;

net/ipv6/tcp_ipv6.c

+1 −1
Original line number Diff line number Diff line
@@ -295,7 +295,7 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr, 
	if (err)

		goto late_failure;



	if (!tp->write_seq)

	if (!tp->write_seq && likely(!tp->repair))

		tp->write_seq = secure_tcpv6_sequence_number(np->saddr.s6_addr32,

							     np->daddr.s6_addr32,

							     inet->inet_sport,

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