* SUCH DAMAGE.
*
* From: @(#)tcp_usrreq.c 8.2 (Berkeley) 1/3/94
+ * $FreeBSD: src/sys/netinet/tcp_usrreq.c,v 1.51.2.9 2001/08/22 00:59:12 silby Exp $
*/
-#if ISFB31
-#include "opt_tcpdebug.h"
-#endif
#include <sys/param.h>
#include <sys/systm.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
-#include <netinet/ip.h>
+#if INET6
+#include <netinet/ip6.h>
+#endif
#include <netinet/in_pcb.h>
+#if INET6
+#include <netinet6/in6_pcb.h>
+#endif
#include <netinet/in_var.h>
#include <netinet/ip_var.h>
#if INET6
-#include <netinet/ip6.h>
-#include <netinet6/ip6_var.h>
-#include <netinet6/in6_pcb.h>
#include <netinet6/ip6_var.h>
#endif
#include <netinet/tcp.h>
*/
extern char *tcpstates[]; /* XXX ??? */
-static int tcp_attach __P((struct socket *, struct proc *));
-static int tcp_connect __P((struct tcpcb *, struct sockaddr *,
- struct proc *));
+static int tcp_attach(struct socket *, struct proc *);
+static int tcp_connect(struct tcpcb *, struct sockaddr *, struct proc *);
#if INET6
-static int tcp6_connect __P((struct tcpcb *, struct sockaddr *,
- struct proc *));
+static int tcp6_connect(struct tcpcb *, struct sockaddr *, struct proc *);
#endif /* INET6 */
-static struct tcpcb * tcp_disconnect __P((struct tcpcb *));
static struct tcpcb *
- tcp_usrclosed __P((struct tcpcb *));
+ tcp_disconnect(struct tcpcb *);
+static struct tcpcb *
+ tcp_usrclosed(struct tcpcb *);
#if TCPDEBUG
-#define TCPDEBUG0 int ostate
+#define TCPDEBUG0 int ostate = 0
#define TCPDEBUG1() ostate = tp ? tp->t_state : 0
#define TCPDEBUG2(req) if (tp && (so->so_options & SO_DEBUG)) \
- tcp_trace(TA_USER, ostate, tp, 0, req)
+ tcp_trace(TA_USER, ostate, tp, 0, 0, req)
#else
#define TCPDEBUG0
#define TCPDEBUG1()
static int
tcp_usr_attach(struct socket *so, int proto, struct proc *p)
{
- int s = splnet();
int error;
struct inpcb *inp = sotoinpcb(so);
struct tcpcb *tp = 0;
tp = sototcpcb(so);
out:
TCPDEBUG2(PRU_ATTACH);
- splx(s);
return error;
}
static int
tcp_usr_detach(struct socket *so)
{
- int s = splnet();
int error = 0;
struct inpcb *inp = sotoinpcb(so);
struct tcpcb *tp;
TCPDEBUG0;
- if (inp == 0) {
- splx(s);
+ if (inp == 0 || (inp->inp_state == INPCB_STATE_DEAD)) {
return EINVAL; /* XXX */
}
+#if 1
+ lck_mtx_assert(((struct inpcb *)so->so_pcb)->inpcb_mtx, LCK_MTX_ASSERT_OWNED);
+#endif
tp = intotcpcb(inp);
/* In case we got disconnected from the peer */
if (tp == 0)
tp = tcp_disconnect(tp);
out:
TCPDEBUG2(PRU_DETACH);
- splx(s);
return error;
}
#define COMMON_START() TCPDEBUG0; \
do { \
- if (inp == 0) { \
- splx(s); \
+ if (inp == 0 || (inp->inp_state == INPCB_STATE_DEAD)) { \
return EINVAL; \
} \
tp = intotcpcb(inp); \
TCPDEBUG1(); \
} while(0)
-#define COMMON_END(req) out: TCPDEBUG2(req); splx(s); return error; goto out
+#define COMMON_END(req) out: TCPDEBUG2(req); return error; goto out
/*
static int
tcp_usr_bind(struct socket *so, struct sockaddr *nam, struct proc *p)
{
- int s = splnet();
int error = 0;
struct inpcb *inp = sotoinpcb(so);
struct tcpcb *tp;
static int
tcp6_usr_bind(struct socket *so, struct sockaddr *nam, struct proc *p)
{
- int s = splnet();
int error = 0;
struct inpcb *inp = sotoinpcb(so);
struct tcpcb *tp;
}
inp->inp_vflag &= ~INP_IPV4;
inp->inp_vflag |= INP_IPV6;
- if (ip6_mapped_addr_on && (inp->inp_flags & IN6P_BINDV6ONLY) == NULL) {
-
+ if ((inp->inp_flags & IN6P_IPV6_V6ONLY) == 0) {
if (IN6_IS_ADDR_UNSPECIFIED(&sin6p->sin6_addr))
inp->inp_vflag |= INP_IPV4;
else if (IN6_IS_ADDR_V4MAPPED(&sin6p->sin6_addr)) {
}
}
error = in6_pcbbind(inp, nam, p);
+ if (error)
+ goto out;
COMMON_END(PRU_BIND);
}
#endif /* INET6 */
static int
tcp_usr_listen(struct socket *so, struct proc *p)
{
- int s = splnet();
int error = 0;
struct inpcb *inp = sotoinpcb(so);
struct tcpcb *tp;
static int
tcp6_usr_listen(struct socket *so, struct proc *p)
{
- int s = splnet();
int error = 0;
struct inpcb *inp = sotoinpcb(so);
struct tcpcb *tp;
COMMON_START();
if (inp->inp_lport == 0) {
inp->inp_vflag &= ~INP_IPV4;
- if (ip6_mapped_addr_on &&
- (inp->inp_flags & IN6P_BINDV6ONLY) == NULL)
+ if ((inp->inp_flags & IN6P_IPV6_V6ONLY) == 0)
inp->inp_vflag |= INP_IPV4;
error = in6_pcbbind(inp, (struct sockaddr *)0, p);
}
static int
tcp_usr_connect(struct socket *so, struct sockaddr *nam, struct proc *p)
{
- int s = splnet();
int error = 0;
struct inpcb *inp = sotoinpcb(so);
struct tcpcb *tp;
goto out;
}
+#ifndef __APPLE__
+ prison_remote_ip(p, 0, &sinp->sin_addr.s_addr);
+#endif
+
if ((error = tcp_connect(tp, nam, p)) != 0)
goto out;
error = tcp_output(tp);
static int
tcp6_usr_connect(struct socket *so, struct sockaddr *nam, struct proc *p)
{
- int s = splnet();
int error = 0;
struct inpcb *inp = sotoinpcb(so);
struct tcpcb *tp;
error = EAFNOSUPPORT;
goto out;
}
- inp->inp_vflag &= ~INP_IPV4;
- inp->inp_vflag |= INP_IPV6;
- if (ip6_mapped_addr_on &&
- IN6_IS_ADDR_V4MAPPED(&sin6p->sin6_addr)) {
+
+ if (IN6_IS_ADDR_V4MAPPED(&sin6p->sin6_addr)) {
struct sockaddr_in sin;
+ if ((inp->inp_flags & IN6P_IPV6_V6ONLY) != 0)
+ return (EINVAL);
+
in6_sin6_2_sin(&sin, sin6p);
inp->inp_vflag |= INP_IPV4;
inp->inp_vflag &= ~INP_IPV6;
error = tcp_output(tp);
goto out;
}
+ inp->inp_vflag &= ~INP_IPV4;
+ inp->inp_vflag |= INP_IPV6;
if ((error = tcp6_connect(tp, nam, p)) != 0)
goto out;
error = tcp_output(tp);
if (error)
goto out;
- if (ip6_mapped_addr_on)
- inp->inp_vflag |= INP_IPV6;
COMMON_END(PRU_CONNECT);
}
#endif /* INET6 */
static int
tcp_usr_disconnect(struct socket *so)
{
- int s = splnet();
int error = 0;
struct inpcb *inp = sotoinpcb(so);
struct tcpcb *tp;
-
+
+#if 1
+ lck_mtx_assert(((struct inpcb *)so->so_pcb)->inpcb_mtx, LCK_MTX_ASSERT_OWNED);
+#endif
COMMON_START();
/* In case we got disconnected from the peer */
if (tp == 0)
static int
tcp_usr_accept(struct socket *so, struct sockaddr **nam)
{
- int s = splnet();
int error = 0;
struct inpcb *inp = sotoinpcb(so);
- struct tcpcb *tp;
+ struct tcpcb *tp = NULL;
+ TCPDEBUG0;
- COMMON_START();
+ if (so->so_state & SS_ISDISCONNECTED) {
+ error = ECONNABORTED;
+ goto out;
+ }
+ if (inp == 0 || (inp->inp_state == INPCB_STATE_DEAD)) {
+ return (EINVAL);
+ }
+ tp = intotcpcb(inp);
+ TCPDEBUG1();
in_setpeeraddr(so, nam);
COMMON_END(PRU_ACCEPT);
}
static int
tcp6_usr_accept(struct socket *so, struct sockaddr **nam)
{
- int s = splnet();
int error = 0;
struct inpcb *inp = sotoinpcb(so);
- struct tcpcb *tp;
+ struct tcpcb *tp = NULL;
+ TCPDEBUG0;
- COMMON_START();
+ if (so->so_state & SS_ISDISCONNECTED) {
+ error = ECONNABORTED;
+ goto out;
+ }
+ if (inp == 0 || (inp->inp_state == INPCB_STATE_DEAD)) {
+ return (EINVAL);
+ }
+ tp = intotcpcb(inp);
+ TCPDEBUG1();
in6_mapped_peeraddr(so, nam);
COMMON_END(PRU_ACCEPT);
}
#endif /* INET6 */
-
/*
* Mark the connection as being incapable of further output.
*/
static int
tcp_usr_shutdown(struct socket *so)
{
- int s = splnet();
int error = 0;
struct inpcb *inp = sotoinpcb(so);
struct tcpcb *tp;
static int
tcp_usr_rcvd(struct socket *so, int flags)
{
- int s = splnet();
int error = 0;
struct inpcb *inp = sotoinpcb(so);
struct tcpcb *tp;
/*
* Do a send by putting data in output queue and updating urgent
- * marker if URG set. Possibly send more data.
+ * marker if URG set. Possibly send more data. Unlike the other
+ * pru_*() routines, the mbuf chains are our responsibility. We
+ * must either enqueue them or free them. The other pru_* routines
+ * generally are caller-frees.
*/
static int
-tcp_usr_send(struct socket *so, int flags, struct mbuf *m,
+tcp_usr_send(struct socket *so, int flags, struct mbuf *m,
struct sockaddr *nam, struct mbuf *control, struct proc *p)
{
- int s = splnet();
int error = 0;
struct inpcb *inp = sotoinpcb(so);
struct tcpcb *tp;
#if INET6
int isipv6;
-#endif /* INET6 */
+#endif
+ TCPDEBUG0;
- COMMON_START();
- if (control && control->m_len) {
- m_freem(control); /* XXX shouldn't caller do this??? */
+ if (inp == NULL || inp->inp_state == INPCB_STATE_DEAD) {
+ /*
+ * OOPS! we lost a race, the TCP session got reset after
+ * we checked SS_CANTSENDMORE, eg: while doing uiomove or a
+ * network interrupt in the non-splnet() section of sosend().
+ */
if (m)
m_freem(m);
- error = EINVAL;
+ if (control)
+ m_freem(control);
+ error = ECONNRESET; /* XXX EPIPE? */
+ tp = NULL;
+ TCPDEBUG1();
goto out;
}
-
#if INET6
isipv6 = nam && nam->sa_family == AF_INET6;
#endif /* INET6 */
-
+ tp = intotcpcb(inp);
+ TCPDEBUG1();
+ if (control) {
+ /* TCP doesn't do control messages (rights, creds, etc) */
+ if (control->m_len) {
+ m_freem(control);
+ if (m)
+ m_freem(m);
+ error = EINVAL;
+ goto out;
+ }
+ m_freem(control); /* empty control, just free it */
+ }
if(!(flags & PRUS_OOB)) {
sbappend(&so->so_snd, m);
if (nam && tp->t_state < TCPS_SYN_SENT) {
if (error)
goto out;
tp->snd_wnd = TTCP_CLIENT_SND_WND;
- tcp_mss(tp, -1, isipv6);
+ tcp_mss(tp, -1);
}
if (flags & PRUS_EOF) {
if (error)
goto out;
tp->snd_wnd = TTCP_CLIENT_SND_WND;
- tcp_mss(tp, -1, isipv6);
+ tcp_mss(tp, -1);
}
tp->snd_up = tp->snd_una + so->so_snd.sb_cc;
tp->t_force = 1;
static int
tcp_usr_abort(struct socket *so)
{
- int s = splnet();
int error = 0;
struct inpcb *inp = sotoinpcb(so);
struct tcpcb *tp;
if (tp == 0)
goto out;
tp = tcp_drop(tp, ECONNABORTED);
+ so->so_usecount--;
COMMON_END(PRU_ABORT);
}
static int
tcp_usr_rcvoob(struct socket *so, struct mbuf *m, int flags)
{
- int s = splnet();
int error = 0;
struct inpcb *inp = sotoinpcb(so);
struct tcpcb *tp;
tcp_usr_connect, pru_connect2_notsupp, in_control, tcp_usr_detach,
tcp_usr_disconnect, tcp_usr_listen, in_setpeeraddr, tcp_usr_rcvd,
tcp_usr_rcvoob, tcp_usr_send, pru_sense_null, tcp_usr_shutdown,
- in_setsockaddr, sosend, soreceive, sopoll
+ in_setsockaddr, sosend, soreceive, pru_sopoll_notsupp
};
#if INET6
tcp6_usr_connect, pru_connect2_notsupp, in6_control, tcp_usr_detach,
tcp_usr_disconnect, tcp6_usr_listen, in6_mapped_peeraddr, tcp_usr_rcvd,
tcp_usr_rcvoob, tcp_usr_send, pru_sense_null, tcp_usr_shutdown,
- in6_mapped_sockaddr, sosend, soreceive, sopoll
+ in6_mapped_sockaddr, sosend, soreceive, pru_sopoll_notsupp
};
#endif /* INET6 */
error = in_pcbladdr(inp, nam, &ifaddr);
if (error)
return error;
+
+ tcp_unlock(inp->inp_socket, 0, 0);
oinp = in_pcblookup_hash(inp->inp_pcbinfo,
sin->sin_addr, sin->sin_port,
inp->inp_laddr.s_addr != INADDR_ANY ? inp->inp_laddr
: ifaddr->sin_addr,
inp->inp_lport, 0, NULL);
+
+ tcp_lock(inp->inp_socket, 0, 0);
if (oinp) {
+ if (oinp != inp) /* 4143933: avoid deadlock if inp == oinp */
+ tcp_lock(oinp->inp_socket, 1, 0);
+ if (in_pcb_checkstate(oinp, WNT_RELEASE, 1) == WNT_STOPUSING) {
+ if (oinp != inp)
+ tcp_unlock(oinp->inp_socket, 1, 0);
+ goto skip_oinp;
+ }
+
if (oinp != inp && (otp = intotcpcb(oinp)) != NULL &&
otp->t_state == TCPS_TIME_WAIT &&
- otp->t_duration < TCPTV_MSL &&
+ otp->t_starttime < tcp_msl &&
(otp->t_flags & TF_RCVD_CC))
otp = tcp_close(otp);
- else
+ else {
+ printf("tcp_connect: inp=%x err=EADDRINUSE\n", inp);
+ if (oinp != inp)
+ tcp_unlock(oinp->inp_socket, 1, 0);
return EADDRINUSE;
+ }
+ if (oinp != inp)
+ tcp_unlock(oinp->inp_socket, 1, 0);
+ }
+skip_oinp:
+ if ((inp->inp_laddr.s_addr == INADDR_ANY ? ifaddr->sin_addr.s_addr :
+ inp->inp_laddr.s_addr) == sin->sin_addr.s_addr &&
+ inp->inp_lport == sin->sin_port)
+ return EINVAL;
+ if (!lck_rw_try_lock_exclusive(inp->inp_pcbinfo->mtx)) {
+ /*lock inversion issue, mostly with udp multicast packets */
+ socket_unlock(inp->inp_socket, 0);
+ lck_rw_lock_exclusive(inp->inp_pcbinfo->mtx);
+ socket_lock(inp->inp_socket, 0);
}
if (inp->inp_laddr.s_addr == INADDR_ANY)
inp->inp_laddr = ifaddr->sin_addr;
inp->inp_faddr = sin->sin_addr;
inp->inp_fport = sin->sin_port;
in_pcbrehash(inp);
-
- tp->t_template = tcp_template(tp);
- if (tp->t_template == 0) {
- in_pcbdisconnect(inp);
- return ENOBUFS;
- }
+ lck_rw_done(inp->inp_pcbinfo->mtx);
/* Compute window scaling to request. */
while (tp->request_r_scale < TCP_MAX_WINSHIFT &&
tcpstat.tcps_connattempt++;
tp->t_state = TCPS_SYN_SENT;
tp->t_timer[TCPT_KEEP] = tcp_keepinit;
- tp->iss = tcp_iss; tcp_iss += TCP_ISSINCR/2;
+ tp->iss = tcp_new_isn(tp);
tcp_sendseqinit(tp);
/*
struct socket *so = inp->inp_socket;
struct tcpcb *otp;
struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)nam;
- struct in6_addr *addr6;
+ struct in6_addr addr6;
struct rmxp_tao *taop;
struct rmxp_tao tao_noncached;
int error;
error = in6_pcbladdr(inp, nam, &addr6);
if (error)
return error;
+ tcp_unlock(inp->inp_socket, 0, 0);
oinp = in6_pcblookup_hash(inp->inp_pcbinfo,
&sin6->sin6_addr, sin6->sin6_port,
IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr)
- ? addr6
+ ? &addr6
: &inp->in6p_laddr,
inp->inp_lport, 0, NULL);
+ tcp_lock(inp->inp_socket, 0, 0);
if (oinp) {
if (oinp != inp && (otp = intotcpcb(oinp)) != NULL &&
otp->t_state == TCPS_TIME_WAIT &&
- otp->t_duration < TCPTV_MSL &&
+ otp->t_starttime < tcp_msl &&
(otp->t_flags & TF_RCVD_CC))
otp = tcp_close(otp);
else
return EADDRINUSE;
}
+ if (!lck_rw_try_lock_exclusive(inp->inp_pcbinfo->mtx)) {
+ /*lock inversion issue, mostly with udp multicast packets */
+ socket_unlock(inp->inp_socket, 0);
+ lck_rw_lock_exclusive(inp->inp_pcbinfo->mtx);
+ socket_lock(inp->inp_socket, 0);
+ }
if (IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr))
- inp->in6p_laddr = *addr6;
+ inp->in6p_laddr = addr6;
inp->in6p_faddr = sin6->sin6_addr;
inp->inp_fport = sin6->sin6_port;
- /*
- * xxx kazu flowlabel is necessary for connect?
- * but if this line is missing, the garbage value remains.
- */
- inp->in6p_flowinfo = sin6->sin6_flowinfo;
-
+ if ((sin6->sin6_flowinfo & IPV6_FLOWINFO_MASK) != NULL)
+ inp->in6p_flowinfo = sin6->sin6_flowinfo;
in_pcbrehash(inp);
-
- tp->t_template = tcp_template(tp);
- if (tp->t_template == 0) {
- in6_pcbdisconnect(inp);
- return ENOBUFS;
- }
+ lck_rw_done(inp->inp_pcbinfo->mtx);
/* Compute window scaling to request. */
while (tp->request_r_scale < TCP_MAX_WINSHIFT &&
tcpstat.tcps_connattempt++;
tp->t_state = TCPS_SYN_SENT;
tp->t_timer[TCPT_KEEP] = tcp_keepinit;
- tp->iss = tcp_iss; tcp_iss += TCP_ISSINCR/2;
+ tp->iss = tcp_new_isn(tp);
tcp_sendseqinit(tp);
/*
struct socket *so;
struct sockopt *sopt;
{
- int error, opt, optval, s;
+ int error, opt, optval;
struct inpcb *inp;
struct tcpcb *tp;
error = 0;
- s = splnet(); /* XXX */
inp = sotoinpcb(so);
if (inp == NULL) {
- splx(s);
return (ECONNRESET);
}
if (sopt->sopt_level != IPPROTO_TCP) {
else
#endif /* INET6 */
error = ip_ctloutput(so, sopt);
- splx(s);
return (error);
}
tp = intotcpcb(inp);
if (tp == NULL) {
- splx(s);
return (ECONNRESET);
}
if (error)
break;
- if (optval > 0 && optval <= tp->t_maxseg)
+ if (optval > 0 && optval <= tp->t_maxseg &&
+ optval + 40 >= tcp_minmss)
tp->t_maxseg = optval;
else
error = EINVAL;
break;
+ case TCP_KEEPALIVE:
+ error = sooptcopyin(sopt, &optval, sizeof optval,
+ sizeof optval);
+ if (error)
+ break;
+ if (optval < 0)
+ error = EINVAL;
+ else
+ tp->t_keepidle = optval * PR_SLOWHZ;
+ break;
+
default:
error = ENOPROTOOPT;
break;
case TCP_MAXSEG:
optval = tp->t_maxseg;
break;
+ case TCP_KEEPALIVE:
+ optval = tp->t_keepidle / PR_SLOWHZ;
+ break;
case TCP_NOOPT:
optval = tp->t_flags & TF_NOOPT;
break;
error = sooptcopyout(sopt, &optval, sizeof optval);
break;
}
- splx(s);
return (error);
}
* be set by the route).
*/
u_long tcp_sendspace = 1024*16;
-SYSCTL_INT(_net_inet_tcp, TCPCTL_SENDSPACE, sendspace,
- CTLFLAG_RW, &tcp_sendspace , 0, "");
+SYSCTL_INT(_net_inet_tcp, TCPCTL_SENDSPACE, sendspace, CTLFLAG_RW,
+ &tcp_sendspace , 0, "Maximum outgoing TCP datagram size");
u_long tcp_recvspace = 1024*16;
-SYSCTL_INT(_net_inet_tcp, TCPCTL_RECVSPACE, recvspace,
- CTLFLAG_RW, &tcp_recvspace , 0, "");
+SYSCTL_INT(_net_inet_tcp, TCPCTL_RECVSPACE, recvspace, CTLFLAG_RW,
+ &tcp_recvspace , 0, "Maximum incoming TCP datagram size");
+
+__private_extern__ int tcp_sockthreshold = 256;
+SYSCTL_INT(_net_inet_tcp, OID_AUTO, sockthreshold, CTLFLAG_RW,
+ &tcp_sockthreshold , 0, "TCP Socket size increased if less than threshold");
+#define TCP_INCREASED_SPACE 65535 /* Automatically increase tcp send/rcv space to this value */
/*
* Attach TCP protocol to socket, allocating
* internet protocol control block, tcp control block,
struct inpcb *inp;
int error;
#if INET6
- int isipv6 = INP_CHECK_SOCKAF(so, AF_INET) == NULL;
-#endif /* INET6 */
+ int isipv6 = INP_CHECK_SOCKAF(so, AF_INET6) != NULL;
+#endif
- if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) {
- error = soreserve(so, tcp_sendspace, tcp_recvspace);
- if (error)
- return (error);
- }
error = in_pcballoc(so, &tcbinfo, p);
if (error)
return (error);
+
inp = sotoinpcb(so);
-#if IPSEC
- error = ipsec_init_policy(so, &inp->inp_sp);
- if (error) {
-#if INET6
- if (isipv6)
- in6_pcbdetach(inp);
- else
-#endif /* INET6 */
- in_pcbdetach(inp);
- return (error);
+
+ if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) {
+ /*
+ * The goal is to let clients have large send/rcv default windows (TCP_INCREASED_SPACE)
+ * while not hogging mbuf space for servers. This is done by watching a threshold
+ * of tcpcbs in use and bumping the default send and rcvspace only if under that threshold.
+ * The theory being that busy servers have a lot more active tcpcbs and don't want the potential
+ * memory penalty of having much larger sockbuffs. The sysctl allows to fine tune that threshold value. */
+
+ if (inp->inp_pcbinfo->ipi_count < tcp_sockthreshold)
+ error = soreserve(so, MAX(TCP_INCREASED_SPACE, tcp_sendspace), MAX(TCP_INCREASED_SPACE,tcp_recvspace));
+ else
+ error = soreserve(so, tcp_sendspace, tcp_recvspace);
+ if (error)
+ return (error);
}
-#endif /*IPSEC*/
+
#if INET6
if (isipv6) {
inp->inp_vflag |= INP_IPV6;
projects / apple / xnu.git / blobdiff