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Index: net/if_vxlan.c
===================================================================
--- net/if_vxlan.c
+++ net/if_vxlan.c
@@ -930,7 +930,7 @@
}
error = udp_set_kernel_tunneling(vso->vxlso_sock,
- vxlan_rcv_udp_packet, vso);
+ vxlan_rcv_udp_packet, NULL, vso);
if (error) {
if_printf(ifp, "cannot set tunneling function: %d\n", error);
return (error);
Index: netinet/sctputil.c
===================================================================
--- netinet/sctputil.c
+++ netinet/sctputil.c
@@ -7092,7 +7092,7 @@
}
/* Call the special UDP hook. */
if ((ret = udp_set_kernel_tunneling(SCTP_BASE_INFO(udp4_tun_socket),
- sctp_recv_udp_tunneled_packet, NULL))) {
+ sctp_recv_udp_tunneled_packet, NULL, NULL))) {
sctp_over_udp_stop();
return (ret);
}
@@ -7116,7 +7116,7 @@
}
/* Call the special UDP hook. */
if ((ret = udp_set_kernel_tunneling(SCTP_BASE_INFO(udp6_tun_socket),
- sctp_recv_udp_tunneled_packet, NULL))) {
+ sctp_recv_udp_tunneled_packet, NULL, NULL))) {
sctp_over_udp_stop();
return (ret);
}
Index: netinet/udp_usrreq.c
===================================================================
--- netinet/udp_usrreq.c
+++ netinet/udp_usrreq.c
@@ -792,6 +792,21 @@
udp_notify(inp, inetctlerrmap[cmd]);
}
INP_RUNLOCK(inp);
+ } else {
+ inp = in_pcblookup(pcbinfo, faddr, uh->uh_dport,
+ ip->ip_src, uh->uh_sport,
+ INPLOOKUP_WILDCARD | INPLOOKUP_RLOCKPCB, NULL);
+ if (inp != NULL) {
+ struct udpcb *up;
+
+ up = intoudpcb(inp);
+ if (up->u_icmp_func != NULL) {
+ INP_RUNLOCK(inp);
+ (*up->u_icmp_func)(cmd, sa, vip, up->u_tun_ctx);
+ } else {
+ INP_RUNLOCK(inp);
+ }
+ }
}
} else
in_pcbnotifyall(pcbinfo, faddr, inetctlerrmap[cmd],
@@ -1748,7 +1763,7 @@
#endif /* INET */
int
-udp_set_kernel_tunneling(struct socket *so, udp_tun_func_t f, void *ctx)
+udp_set_kernel_tunneling(struct socket *so, udp_tun_func_t f, udp_tun_icmp_t i, void *ctx)
{
struct inpcb *inp;
struct udpcb *up;
@@ -1759,11 +1774,13 @@
KASSERT(inp != NULL, ("udp_set_kernel_tunneling: inp == NULL"));
INP_WLOCK(inp);
up = intoudpcb(inp);
- if (up->u_tun_func != NULL) {
+ if ((up->u_tun_func != NULL) ||
+ (up->u_icmp_func != NULL)) {
INP_WUNLOCK(inp);
return (EBUSY);
}
up->u_tun_func = f;
+ up->u_icmp_func = i;
up->u_tun_ctx = ctx;
INP_WUNLOCK(inp);
return (0);
Index: netinet6/udp6_usrreq.c
===================================================================
--- netinet6/udp6_usrreq.c
+++ netinet6/udp6_usrreq.c
@@ -553,6 +553,29 @@
bzero(&uh, sizeof(uh));
m_copydata(m, off, sizeof(*uhp), (caddr_t)&uh);
+ if (!PRC_IS_REDIRECT(cmd)) {
+ /* Check to see if its tunneled */
+ struct inpcb *inp;
+ inp = in6_pcblookup_mbuf(pcbinfo, &ip6->ip6_src,
+ uh.uh_sport, &ip6->ip6_dst, uh.uh_dport,
+ INPLOOKUP_WILDCARD | INPLOOKUP_RLOCKPCB,
+ m->m_pkthdr.rcvif, m);
+ if (inp != NULL) {
+ struct udpcb *up;
+
+ up = intoudpcb(inp);
+ if (up->u_icmp_func) {
+ /* Yes it is. */
+ INP_RUNLOCK(inp);
+ (*up->u_icmp_func)(cmd, (struct sockaddr *)ip6cp->ip6c_src,
+ d, up->u_tun_ctx);
+ return;
+ } else {
+ /* Can't find it. */
+ INP_RUNLOCK(inp);
+ }
+ }
+ }
(void)in6_pcbnotify(pcbinfo, sa, uh.uh_dport,
(struct sockaddr *)ip6cp->ip6c_src, uh.uh_sport, cmd,
cmdarg, notify);

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