Page MenuHomeFreeBSD
Differential D10385 Diff 38027 head/sys/netinet6/raw_ip6.c

Changeset View

Standalone View

View Options

head/sys/netinet6/raw_ip6.c

Show First 20 Lines • Show All 333 Lines • ▼ Show 20 Lines if (last != NULL) {
IP6STAT_DEC(ip6s_delivered); IP6STAT_DEC(ip6s_delivered);
} }
return (IPPROTO_DONE); return (IPPROTO_DONE);
} }
void void
rip6_ctlinput(int cmd, struct sockaddr *sa, void *d) rip6_ctlinput(int cmd, struct sockaddr *sa, void *d)
{ {
struct ip6_hdr *ip6;
struct mbuf *m;
int off = 0;
struct ip6ctlparam *ip6cp = NULL; struct ip6ctlparam *ip6cp = NULL;
const struct sockaddr_in6 *sa6_src = NULL; const struct sockaddr_in6 *sa6_src = NULL;
void *cmdarg; void *cmdarg;
struct inpcb *(*notify)(struct inpcb *, int) = in6_rtchange; struct inpcb *(*notify)(struct inpcb *, int) = in6_rtchange;
if (sa->sa_family != AF_INET6 || if (sa->sa_family != AF_INET6 ||
sa->sa_len != sizeof(struct sockaddr_in6)) sa->sa_len != sizeof(struct sockaddr_in6))
return; return;
if ((unsigned)cmd >= PRC_NCMDS) if ((unsigned)cmd >= PRC_NCMDS)
return; return;
if (PRC_IS_REDIRECT(cmd)) if (PRC_IS_REDIRECT(cmd))
notify = in6_rtchange, d = NULL; notify = in6_rtchange, d = NULL;
else if (cmd == PRC_HOSTDEAD) else if (cmd == PRC_HOSTDEAD)
d = NULL; d = NULL;
else if (inet6ctlerrmap[cmd] == 0) else if (inet6ctlerrmap[cmd] == 0)
return; return;
/* /*
* If the parameter is from icmp6, decode it. * If the parameter is from icmp6, decode it.
*/ */
if (d != NULL) { if (d != NULL) {
ip6cp = (struct ip6ctlparam *)d; ip6cp = (struct ip6ctlparam *)d;
m = ip6cp->ip6c_m;
ip6 = ip6cp->ip6c_ip6;
off = ip6cp->ip6c_off;
cmdarg = ip6cp->ip6c_cmdarg; cmdarg = ip6cp->ip6c_cmdarg;
sa6_src = ip6cp->ip6c_src; sa6_src = ip6cp->ip6c_src;
} else { } else {
m = NULL;
ip6 = NULL;
cmdarg = NULL; cmdarg = NULL;
sa6_src = &sa6_any; sa6_src = &sa6_any;
} }
(void) in6_pcbnotify(&V_ripcbinfo, sa, 0, (void) in6_pcbnotify(&V_ripcbinfo, sa, 0,
(const struct sockaddr *)sa6_src, 0, cmd, cmdarg, notify); (const struct sockaddr *)sa6_src, 0, cmd, cmdarg, notify);
} }
/* /*
* Generate IPv6 header and pass packet to ip6_output. Tack on options user * Generate IPv6 header and pass packet to ip6_output. Tack on options user
* may have setup with control call. * may have setup with control call.
*/ */
int int
rip6_output(struct mbuf *m, struct socket *so, ...) rip6_output(struct mbuf *m, struct socket *so, ...)
{ {
struct mbuf *control; struct mbuf *control;
struct m_tag *mtag; struct m_tag *mtag;
struct sockaddr_in6 *dstsock; struct sockaddr_in6 *dstsock;
struct in6_addr *dst;
struct ip6_hdr *ip6; struct ip6_hdr *ip6;
struct inpcb *in6p; struct inpcb *in6p;
u_int plen = m->m_pkthdr.len; u_int plen = m->m_pkthdr.len;
int error = 0; int error = 0;
struct ip6_pktopts opt, *optp; struct ip6_pktopts opt, *optp;
struct ifnet *oifp = NULL; struct ifnet *oifp = NULL;
int type = 0, code = 0; /* for ICMPv6 output statistics only */ int type = 0, code = 0; /* for ICMPv6 output statistics only */
int scope_ambiguous = 0; int scope_ambiguous = 0;
int use_defzone = 0; int use_defzone = 0;
int hlim = 0; int hlim = 0;
struct in6_addr in6a; struct in6_addr in6a;
va_list ap; va_list ap;
va_start(ap, so); va_start(ap, so);
dstsock = va_arg(ap, struct sockaddr_in6 *); dstsock = va_arg(ap, struct sockaddr_in6 *);
control = va_arg(ap, struct mbuf *); control = va_arg(ap, struct mbuf *);
va_end(ap); va_end(ap);
in6p = sotoinpcb(so); in6p = sotoinpcb(so);
INP_WLOCK(in6p); INP_WLOCK(in6p);
dst = &dstsock->sin6_addr;
if (control != NULL) { if (control != NULL) {
if ((error = ip6_setpktopts(control, &opt, if ((error = ip6_setpktopts(control, &opt,
in6p->in6p_outputopts, so->so_cred, in6p->in6p_outputopts, so->so_cred,
so->so_proto->pr_protocol)) != 0) { so->so_proto->pr_protocol)) != 0) {
goto bad; goto bad;
} }
optp = &opt; optp = &opt;
} else } else
▲ Show 20 Lines • Show All 485 Lines • Show Last 20 Lines