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[TIMEWAIT]: Introduce inet_timewait_death_row

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That groups all of the tables and variables associated to the TCP timewait
schedulling/recycling/killing code, that now can be isolated from the TCP
specific code and used by other transport protocols, such as DCCP.

Next changeset will move this code to net/ipv4/inet_timewait_sock.c

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arnaldo Carvalho de Melo 2005-08-09 20:44:40 -07:00 • committed by David S. Miller
parent 0b4e03bf0b
commit 295ff7edb8
8 changed files with 206 additions and 171 deletions
Download patch file Download diff file Expand all files Collapse all files

11
net/ipv4/tcp_ipv4.c
View file

@ -199,7 +199,7 @@ unique:
NET_INC_STATS_BH(LINUX_MIB_TIMEWAITRECYCLED);
} else if (tw) {
/* Silly. Should hash-dance instead... */
tcp_tw_deschedule(tw);
inet_twsk_deschedule(tw, &tcp_death_row);
NET_INC_STATS_BH(LINUX_MIB_TIMEWAITRECYCLED);
inet_twsk_put(tw);
@ -291,7 +291,7 @@ ok:
spin_unlock(&head->lock);
if (tw) {
tcp_tw_deschedule(tw);
inet_twsk_deschedule(tw, &tcp_death_row);;
inet_twsk_put(tw);
}
@ -366,7 +366,7 @@ int tcp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
tp->write_seq = 0;
}
if (sysctl_tcp_tw_recycle &&
if (tcp_death_row.sysctl_tw_recycle &&
!tp->rx_opt.ts_recent_stamp && rt->rt_dst == daddr) {
struct inet_peer *peer = rt_get_peer(rt);
@ -965,7 +965,7 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
* are made in the function processing timewait state.
*/
if (tmp_opt.saw_tstamp &&
sysctl_tcp_tw_recycle &&
tcp_death_row.sysctl_tw_recycle &&
(dst = inet_csk_route_req(sk, req)) != NULL &&
(peer = rt_get_peer((struct rtable *)dst)) != NULL &&
peer->v4daddr == saddr) {
@ -1305,7 +1305,8 @@ do_time_wait:
ntohs(th->dest),
inet_iif(skb));
if (sk2) {
tcp_tw_deschedule((struct inet_timewait_sock *)sk);
inet_twsk_deschedule((struct inet_timewait_sock *)sk,
&tcp_death_row);
inet_twsk_put((struct inet_timewait_sock *)sk);
sk = sk2;
goto process;