diff options
Diffstat (limited to 'sys/netinet/udp_usrreq.c')
| -rw-r--r-- | sys/netinet/udp_usrreq.c | 29 |
1 files changed, 16 insertions, 13 deletions
diff --git a/sys/netinet/udp_usrreq.c b/sys/netinet/udp_usrreq.c index 2e7fe8958857..1dd3eee9f216 100644 --- a/sys/netinet/udp_usrreq.c +++ b/sys/netinet/udp_usrreq.c @@ -504,31 +504,34 @@ udp_ctlinput(cmd, sa, vip) struct sockaddr *sa; void *vip; { - register struct ip *ip = vip; - register struct udphdr *uh; + struct ip *ip = vip; + struct udphdr *uh; void (*notify) __P((struct inpcb *, int)) = udp_notify; + struct in_addr faddr; + struct inpcb *inp; + int s; + + faddr = ((struct sockaddr_in *)sa)->sin_addr; + if (sa->sa_family != AF_INET || faddr.s_addr == INADDR_ANY) + return; if (PRC_IS_REDIRECT(cmd)) { - /* - * Redirects go to all references to the destination, - * and use in_rtchange to invalidate the route cache. - */ ip = 0; notify = in_rtchange; } else if (cmd == PRC_HOSTDEAD) - /* - * Dead host indications: notify all references to the - * destination. - */ ip = 0; else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) return; if (ip) { + s = splnet(); uh = (struct udphdr *)((caddr_t)ip + (ip->ip_hl << 2)); - in_pcbnotify(&udb, sa, uh->uh_dport, ip->ip_src, uh->uh_sport, - cmd, notify, 0, 0); + inp = in_pcblookup_hash(&udbinfo, faddr, uh->uh_dport, + ip->ip_src, uh->uh_sport, 0, NULL); + if (inp != NULL && inp->inp_socket != NULL) + (*notify)(inp, inetctlerrmap[cmd]); + splx(s); } else - in_pcbnotifyall(&udb, sa, cmd, notify); + in_pcbnotifyall(&udb, faddr, inetctlerrmap[cmd], notify); } static int |