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tcp: factorize sk_txhash init

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Neal suggested to move sk_txhash init into tcp_create_openreq_child(),
called both from IPv4 and IPv6.

This opportunity was missed in commit 58d607d3e5 ("tcp: provide
skb->hash to synack packets")

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2015-09-22 20:44:17 -07:00 committed by David S. Miller
parent 729bf329c7
commit d8ed625044
3 changed files with 1 additions and 3 deletions
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1
net/ipv4/tcp_ipv4.c
View File

@ -1276,7 +1276,6 @@ struct sock *tcp_v4_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
newinet->mc_index = inet_iif(skb);
newinet->mc_ttl = ip_hdr(skb)->ttl;
newinet->rcv_tos = ip_hdr(skb)->tos;
newsk->sk_txhash = tcp_rsk(req)->txhash;
inet_csk(newsk)->icsk_ext_hdr_len = 0;
if (inet_opt)
inet_csk(newsk)->icsk_ext_hdr_len = inet_opt->opt.optlen;

1
net/ipv4/tcp_minisocks.c
View File

@ -471,6 +471,7 @@ struct sock *tcp_create_openreq_child(struct sock *sk, struct request_sock *req,
tcp_enable_early_retrans(newtp);
newtp->tlp_high_seq = 0;
newtp->lsndtime = treq->snt_synack.stamp_jiffies;
newsk->sk_txhash = treq->txhash;
newtp->last_oow_ack_time = 0;
newtp->total_retrans = req->num_retrans;

2
net/ipv6/tcp_ipv6.c
View File

@ -1090,8 +1090,6 @@ static struct sock *tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
newsk->sk_v6_rcv_saddr = ireq->ir_v6_loc_addr;
newsk->sk_bound_dev_if = ireq->ir_iif;
newsk->sk_txhash = tcp_rsk(req)->txhash;
/* Now IPv6 options...
First: no IPv4 options.