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authorEric Dumazet <edumazet@google.com>2014-09-05 15:33:32 -0700
committerDavid S. Miller <davem@davemloft.net>2014-09-05 17:49:33 -0700
commit04317dafd11dd7b0ec19b85f098414abae6ed5f7 (patch)
tree3e9a5c6b3aea2e8b1f519d031fb0fcfa4af970fb /net/ipv6/tcp_ipv6.c
parent2ba38943ba190eb6a494262003e23187d1b40fb4 (diff)
tcp: introduce TCP_SKB_CB(skb)->tcp_tw_isn
TCP_SKB_CB(skb)->when has different meaning in output and input paths. In output path, it contains a timestamp. In input path, it contains an ISN, chosen by tcp_timewait_state_process() Lets add a different name to ease code comprehension. Note that 'when' field will disappear in following patch, as skb_mstamp already contains timestamp, the anonymous union will promptly disappear as well. Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/tcp_ipv6.c')
-rw-r--r--net/ipv6/tcp_ipv6.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 29964c3d363c..5b3c70ff7a72 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -738,7 +738,7 @@ static void tcp_v6_init_req(struct request_sock *req, struct sock *sk,
ipv6_addr_type(&ireq->ir_v6_rmt_addr) & IPV6_ADDR_LINKLOCAL)
ireq->ir_iif = inet6_iif(skb);
- if (!TCP_SKB_CB(skb)->when &&
+ if (!TCP_SKB_CB(skb)->tcp_tw_isn &&
(ipv6_opt_accepted(sk, skb) || np->rxopt.bits.rxinfo ||
np->rxopt.bits.rxoinfo || np->rxopt.bits.rxhlim ||
np->rxopt.bits.rxohlim || np->repflow)) {
@@ -1412,7 +1412,7 @@ static int tcp_v6_rcv(struct sk_buff *skb)
TCP_SKB_CB(skb)->end_seq = (TCP_SKB_CB(skb)->seq + th->syn + th->fin +
skb->len - th->doff*4);
TCP_SKB_CB(skb)->ack_seq = ntohl(th->ack_seq);
- TCP_SKB_CB(skb)->when = 0;
+ TCP_SKB_CB(skb)->tcp_tw_isn = 0;
TCP_SKB_CB(skb)->ip_dsfield = ipv6_get_dsfield(hdr);
TCP_SKB_CB(skb)->sacked = 0;

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