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Let IN_FASTREOCOVERY macro decide if we are in recovery mode.

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Nuke sackhole_limit for now. We need to add it back to limit the total
number of sack blocks in the system.
This commit is contained in:
jayanth 2004-07-19 22:37:33 +00:00
parent 48943ed977
commit 3781ade946
3 changed files with 1 additions and 9 deletions
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2
sys/netinet/tcp_output.c
View File

@ -200,7 +200,7 @@ tcp_output(struct tcpcb *tp)
sack_rxmit = 0;
len = 0;
p = NULL;
if (tp->sack_enable && SEQ_LT(tp->snd_una,tp->snd_recover) &&
if (tp->sack_enable && IN_FASTRECOVERY(tp) &&
(p = tcp_sack_output(tp))) {
KASSERT(tp->snd_cwnd >= 0,
("%s: CWIN is negative : %ld", __func__, tp->snd_cwnd));

4
sys/netinet/tcp_subr.c
View File

@ -207,10 +207,6 @@ int tcp_do_sack = 1;
SYSCTL_INT(_net_inet_tcp_sack, OID_AUTO, enable, CTLFLAG_RW,
&tcp_do_sack, 0, "Enable/Disable TCP SACK support");
int tcp_sackhole_limit = 10 * 1024; /* Arbitrarily set */
SYSCTL_INT(_net_inet_tcp_sack, OID_AUTO, sackhole_limit, CTLFLAG_RW,
&tcp_sackhole_limit, 0, "Limit on the total SACK scoreboard elements");
uma_zone_t sack_hole_zone;
static struct inpcb *tcp_notify(struct inpcb *, int);

4
sys/netinet/tcp_timewait.c
View File

@ -207,10 +207,6 @@ int tcp_do_sack = 1;
SYSCTL_INT(_net_inet_tcp_sack, OID_AUTO, enable, CTLFLAG_RW,
&tcp_do_sack, 0, "Enable/Disable TCP SACK support");
int tcp_sackhole_limit = 10 * 1024; /* Arbitrarily set */
SYSCTL_INT(_net_inet_tcp_sack, OID_AUTO, sackhole_limit, CTLFLAG_RW,
&tcp_sackhole_limit, 0, "Limit on the total SACK scoreboard elements");
uma_zone_t sack_hole_zone;
static struct inpcb *tcp_notify(struct inpcb *, int);