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Diffstat (limited to 'sys/netinet/tcp_subr.c')
-rw-r--r--sys/netinet/tcp_subr.c17
1 files changed, 2 insertions, 15 deletions
diff --git a/sys/netinet/tcp_subr.c b/sys/netinet/tcp_subr.c
index 27cab0e05bb..50f9b7872f0 100644
--- a/sys/netinet/tcp_subr.c
+++ b/sys/netinet/tcp_subr.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: tcp_subr.c,v 1.165 2017/06/26 09:32:32 mpi Exp $ */
+/* $OpenBSD: tcp_subr.c,v 1.166 2017/10/22 14:11:34 mikeb Exp $ */
/* $NetBSD: tcp_subr.c,v 1.22 1996/02/13 23:44:00 christos Exp $ */
/*
@@ -104,9 +104,7 @@ int tcp_rttdflt = TCPTV_SRTTDFLT / PR_SLOWHZ;
/* values controllable via sysctl */
int tcp_do_rfc1323 = 1;
-#ifdef TCP_SACK
int tcp_do_sack = 1; /* RFC 2018 selective ACKs */
-#endif
int tcp_ack_on_push = 0; /* set to enable immediate ACK-on-PUSH */
#ifdef TCP_ECN
int tcp_do_ecn = 0; /* RFC3168 ECN enabled/disabled? */
@@ -120,15 +118,11 @@ u_int32_t tcp_now = 1;
#endif
int tcp_reass_limit = NMBCLUSTERS / 8; /* hardlimit for tcpqe_pool */
-#ifdef TCP_SACK
int tcp_sackhole_limit = 32*1024; /* hardlimit for sackhl_pool */
-#endif
struct pool tcpcb_pool;
struct pool tcpqe_pool;
-#ifdef TCP_SACK
struct pool sackhl_pool;
-#endif
struct cpumem *tcpcounters; /* tcp statistics */
tcp_seq tcp_iss;
@@ -145,11 +139,9 @@ tcp_init(void)
pool_init(&tcpqe_pool, sizeof(struct tcpqent), 0, IPL_SOFTNET, 0,
"tcpqe", NULL);
pool_sethardlimit(&tcpqe_pool, tcp_reass_limit, NULL, 0);
-#ifdef TCP_SACK
pool_init(&sackhl_pool, sizeof(struct sackhole), 0, IPL_SOFTNET, 0,
"sackhl", NULL);
pool_sethardlimit(&sackhl_pool, tcp_sackhole_limit, NULL, 0);
-#endif /* TCP_SACK */
in_pcbinit(&tcbtable, TCB_INITIAL_HASH_SIZE);
tcpcounters = counters_alloc(tcps_ncounters);
@@ -439,9 +431,7 @@ tcp_newtcpcb(struct inpcb *inp)
TCP_TIMER_INIT(tp, i);
timeout_set(&tp->t_reap_to, tcp_reaper, tp);
-#ifdef TCP_SACK
tp->sack_enable = tcp_do_sack;
-#endif
tp->t_flags = tcp_do_rfc1323 ? (TF_REQ_SCALE|TF_REQ_TSTMP) : 0;
tp->t_inpcb = inp;
/*
@@ -515,9 +505,7 @@ tcp_close(struct tcpcb *tp)
{
struct inpcb *inp = tp->t_inpcb;
struct socket *so = inp->inp_socket;
-#ifdef TCP_SACK
struct sackhole *p, *q;
-#endif
/* free the reassembly queue, if any */
tcp_freeq(tp);
@@ -526,7 +514,6 @@ tcp_close(struct tcpcb *tp)
TCP_CLEAR_DELACK(tp);
syn_cache_cleanup(tp);
-#ifdef TCP_SACK
/* Free SACK holes. */
q = p = tp->snd_holes;
while (p != 0) {
@@ -534,7 +521,7 @@ tcp_close(struct tcpcb *tp)
pool_put(&sackhl_pool, p);
p = q;
}
-#endif
+
m_free(tp->t_template);
tp->t_flags |= TF_DEAD;