static void
udp6_bind(netmsg_t msg)
{
struct socket *so =msg->bind.base.nm_so;
struct sockaddr *nam = msg->bind.nm_nam;
struct thread *td = msg->bind.nm_td;
struct sockaddr_in6 *sin6_p = (struct sockaddr_in6 *)nam;
struct inpcb *inp;
int error;
inp = so->so_pcb;
if (inp == NULL) {
error = EINVAL;
goto out;
}
error = in6_pcbbind(inp, nam, td);
if (error == 0) {
if (IN6_IS_ADDR_UNSPECIFIED(&sin6_p->sin6_addr))
inp->inp_flags |= INP_WASBOUND_NOTANY;
in_pcbinswildcardhash(inp);
}
out:
lwkt_replymsg(&msg->bind.base.lmsg, error);
}
static void
tcp6_usr_listen(netmsg_t msg)
{
struct socket *so = msg->listen.base.nm_so;
struct thread *td = msg->listen.nm_td;
int error = 0;
struct inpcb *inp;
struct tcpcb *tp;
#ifdef SMP
struct netmsg_inswildcard nm;
#endif
COMMON_START(so, inp, 0);
if (tp->t_flags & TF_LISTEN)
goto out;
if (inp->inp_lport == 0) {
if (!(inp->inp_flags & IN6P_IPV6_V6ONLY))
inp->inp_vflag |= INP_IPV4;
else
inp->inp_vflag &= ~INP_IPV4;
error = in6_pcbbind(inp, NULL, td);
if (error)
goto out;
}
tp->t_state = TCPS_LISTEN;
tp->t_flags |= TF_LISTEN;
tp->tt_msg = NULL; /* Catch any invalid timer usage */
#ifdef SMP
if (ncpus > 1) {
/*
* We have to set the flag because we can't have other cpus
* messing with our inp's flags.
*/
KASSERT(!(inp->inp_flags & INP_CONNECTED),
("already on connhash\n"));
KASSERT(!(inp->inp_flags & INP_WILDCARD),
("already on wildcardhash\n"));
KASSERT(!(inp->inp_flags & INP_WILDCARD_MP),
("already on MP wildcardhash\n"));
inp->inp_flags |= INP_WILDCARD_MP;
KKASSERT(so->so_port == cpu_portfn(0));
KKASSERT(&curthread->td_msgport == cpu_portfn(0));
KKASSERT(inp->inp_pcbinfo == &tcbinfo[0]);
netmsg_init(&nm.base, NULL, &curthread->td_msgport,
MSGF_PRIORITY, in_pcbinswildcardhash_handler);
nm.nm_inp = inp;
lwkt_domsg(cpu_portfn(1), &nm.base.lmsg, 0);
}
#endif
in_pcbinswildcardhash(inp);
COMMON_END(PRU_LISTEN);
}
static void
udp6_connect(netmsg_t msg)
{
struct socket *so = msg->connect.base.nm_so;
struct sockaddr *nam = msg->connect.nm_nam;
struct thread *td = msg->connect.nm_td;
struct sockaddr_in6 *sin6_p;
struct inpcb *inp;
int error;
inp = so->so_pcb;
if (inp == NULL) {
error = EINVAL;
goto out;
}
sin6_p = (struct sockaddr_in6 *)nam;
if (IN6_IS_ADDR_V4MAPPED(&sin6_p->sin6_addr)) {
error = EADDRNOTAVAIL;
goto out;
}
if (!IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_faddr)) {
error = EISCONN;
goto out;
}
if (inp->inp_flags & INP_WILDCARD)
in_pcbremwildcardhash(inp);
if (!prison_remote_ip(td, nam)) {
error = EAFNOSUPPORT; /* IPv4 only jail */
goto out;
}
error = in6_pcbconnect(inp, nam, td);
if (error == 0) {
soisconnected(so);
} else if (error == EAFNOSUPPORT) { /* connection dissolved */
/*
* Follow traditional BSD behavior and retain
* the local port binding. But, fix the old misbehavior
* of overwriting any previously bound local address.
*/
if (!(inp->inp_flags & INP_WASBOUND_NOTANY))
inp->in6p_laddr = kin6addr_any;
in_pcbinswildcardhash(inp);
}
out:
lwkt_replymsg(&msg->connect.base.lmsg, error);
}
static void
tcp6_usr_listen(netmsg_t msg)
{
struct socket *so = msg->listen.base.nm_so;
struct thread *td = msg->listen.nm_td;
int error = 0;
struct inpcb *inp;
struct tcpcb *tp;
struct netmsg_inswildcard nm;
COMMON_START(so, inp, 0);
if (tp->t_flags & TF_LISTEN)
goto out;
if (inp->inp_lport == 0) {
error = in6_pcbbind(inp, NULL, td);
if (error)
goto out;
}
tp->t_state = TCPS_LISTEN;
tp->t_flags |= TF_LISTEN;
tp->tt_msg = NULL; /* Catch any invalid timer usage */
if (ncpus2 > 1) {
/*
* Put this inpcb into wildcard hash on other cpus.
*/
KKASSERT(so->so_port == netisr_cpuport(0));
ASSERT_IN_NETISR(0);
KKASSERT(inp->inp_pcbinfo == &tcbinfo[0]);
ASSERT_INP_NOTINHASH(inp);
netmsg_init(&nm.base, NULL, &curthread->td_msgport,
MSGF_PRIORITY, in_pcbinswildcardhash_handler);
nm.nm_inp = inp;
lwkt_domsg(netisr_cpuport(1), &nm.base.lmsg, 0);
}
in_pcbinswildcardhash(inp);
COMMON_END(PRU_LISTEN);
}
/*
* Prepare to accept connections.
*/
static void
tcp_usr_listen(netmsg_t msg)
{
struct socket *so = msg->listen.base.nm_so;
struct thread *td = msg->listen.nm_td;
int error = 0;
struct inpcb *inp;
struct tcpcb *tp;
struct netmsg_inswildcard nm;
lwkt_port_t port0 = netisr_cpuport(0);
COMMON_START(so, inp, 0);
if (&curthread->td_msgport != port0) {
lwkt_msg_t lmsg = &msg->listen.base.lmsg;
KASSERT((msg->listen.nm_flags & PRUL_RELINK) == 0,
("already asked to relink"));
in_pcbunlink(so->so_pcb, &tcbinfo[mycpuid]);
msg->listen.nm_flags |= PRUL_RELINK;
/* See the related comment in tcp_connect() */
lwkt_setmsg_receipt(lmsg, tcp_sosetport);
lwkt_forwardmsg(port0, lmsg);
/* msg invalid now */
return;
}
KASSERT(so->so_port == port0, ("so_port is not netisr0"));
if (msg->listen.nm_flags & PRUL_RELINK) {
msg->listen.nm_flags &= ~PRUL_RELINK;
in_pcblink(so->so_pcb, &tcbinfo[mycpuid]);
}
KASSERT(inp->inp_pcbinfo == &tcbinfo[0], ("pcbinfo is not tcbinfo0"));
if (tp->t_flags & TF_LISTEN)
goto out;
if (inp->inp_lport == 0) {
error = in_pcbbind(inp, NULL, td);
if (error)
goto out;
}
tp->t_state = TCPS_LISTEN;
tp->t_flags |= TF_LISTEN;
tp->tt_msg = NULL; /* Catch any invalid timer usage */
if (ncpus2 > 1) {
/*
* Put this inpcb into wildcard hash on other cpus.
*/
ASSERT_INP_NOTINHASH(inp);
netmsg_init(&nm.base, NULL, &curthread->td_msgport,
MSGF_PRIORITY, in_pcbinswildcardhash_handler);
nm.nm_inp = inp;
lwkt_domsg(netisr_cpuport(1), &nm.base.lmsg, 0);
}
in_pcbinswildcardhash(inp);
COMMON_END(PRU_LISTEN);
}
