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authorArnaldo Carvalho de Melo <acme@mandriva.com>2005-12-13 23:25:19 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2006-01-03 13:10:54 -0800
commit6d6ee43e0b8b8d4847627fd43739b98ec2b9404f (patch)
treea2a66381d2351610c81362bf218e743f6ccf56ef /net/ipv6
parentfc44b9805324c0ad2733ea2feea9935cc056709d (diff)
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[TWSK]: Introduce struct timewait_sock_ops
So that we can share several timewait sockets related functions and make the timewait mini sockets infrastructure closer to the request mini sockets one. Next changesets will take advantage of this, moving more code out of TCP and DCCP v4 and v6 to common infrastructure. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/tcp_ipv6.c25
1 files changed, 9 insertions, 16 deletions
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index e5c8a66..514b57b 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -60,6 +60,7 @@
#include <net/addrconf.h>
#include <net/snmp.h>
#include <net/dsfield.h>
+#include <net/timewait_sock.h>
#include <asm/uaccess.h>
@@ -147,22 +148,9 @@ static int __tcp_v6_check_established(struct sock *sk, const __u16 lport,
ipv6_addr_equal(&tw6->tw_v6_daddr, saddr) &&
ipv6_addr_equal(&tw6->tw_v6_rcv_saddr, daddr) &&
sk2->sk_bound_dev_if == sk->sk_bound_dev_if) {
- const struct tcp_timewait_sock *tcptw = tcp_twsk(sk2);
- struct tcp_sock *tp = tcp_sk(sk);
-
- if (tcptw->tw_ts_recent_stamp &&
- (!twp ||
- (sysctl_tcp_tw_reuse &&
- xtime.tv_sec - tcptw->tw_ts_recent_stamp > 1))) {
- /* See comment in tcp_ipv4.c */
- tp->write_seq = tcptw->tw_snd_nxt + 65535 + 2;
- if (!tp->write_seq)
- tp->write_seq = 1;
- tp->rx_opt.ts_recent = tcptw->tw_ts_recent;
- tp->rx_opt.ts_recent_stamp = tcptw->tw_ts_recent_stamp;
- sock_hold(sk2);
+ if (twsk_unique(sk, sk2, twp))
goto unique;
- } else
+ else
goto not_unique;
}
}
@@ -711,6 +699,11 @@ static struct request_sock_ops tcp6_request_sock_ops = {
.send_reset = tcp_v6_send_reset
};
+static struct timewait_sock_ops tcp6_timewait_sock_ops = {
+ .twsk_obj_size = sizeof(struct tcp6_timewait_sock),
+ .twsk_unique = tcp_twsk_unique,
+};
+
static void tcp_v6_send_check(struct sock *sk, int len, struct sk_buff *skb)
{
struct ipv6_pinfo *np = inet6_sk(sk);
@@ -1752,7 +1745,7 @@ struct proto tcpv6_prot = {
.sysctl_rmem = sysctl_tcp_rmem,
.max_header = MAX_TCP_HEADER,
.obj_size = sizeof(struct tcp6_sock),
- .twsk_obj_size = sizeof(struct tcp6_timewait_sock),
+ .twsk_prot = &tcp6_timewait_sock_ops,
.rsk_prot = &tcp6_request_sock_ops,
};