diff options
| author | Garrett Wollman <wollman@FreeBSD.org> | 1999-02-09 16:55:46 +0000 |
|---|---|---|
| committer | Garrett Wollman <wollman@FreeBSD.org> | 1999-02-09 16:55:46 +0000 |
| commit | cc766e041e76d947ffe8c74e03a2f5488abd854f (patch) | |
| tree | 93c08a9d0be811e771a66f45b33b02872494fcb5 /sys/netinet/ip_input.c | |
| parent | 73899d2e4852b106fcd7bcd5181be92cd60bae0b (diff) | |
Notes
Diffstat (limited to 'sys/netinet/ip_input.c')
| -rw-r--r-- | sys/netinet/ip_input.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/sys/netinet/ip_input.c b/sys/netinet/ip_input.c index b75a51cebc4c..c1ee58e03b55 100644 --- a/sys/netinet/ip_input.c +++ b/sys/netinet/ip_input.c @@ -31,8 +31,7 @@ * SUCH DAMAGE. * * @(#)ip_input.c 8.2 (Berkeley) 1/4/94 - * $Id: ip_input.c,v 1.112 1999/01/22 16:50:45 wollman Exp $ - * $ANA: ip_input.c,v 1.5 1996/09/18 14:34:59 wollman Exp $ + * $Id: ip_input.c,v 1.113 1999/01/27 22:42:25 dillon Exp $ */ #define _IP_VHL @@ -290,14 +289,6 @@ ip_input(struct mbuf *m) if (m == NULL || (m->m_flags & M_PKTHDR) == 0) panic("ip_input no HDR"); #endif - /* - * If no IP addresses have been set yet but the interfaces - * are receiving, can't do anything with incoming packets yet. - * XXX This is broken! We should be able to receive broadcasts - * and multicasts even without any local addresses configured. - */ - if (TAILQ_EMPTY(&in_ifaddrhead)) - goto bad; ipstat.ips_total++; if (m->m_pkthdr.len < sizeof(struct ip)) @@ -465,7 +456,14 @@ pass: /* * Check our list of addresses, to see if the packet is for us. + * If we don't have any addresses, assume any unicast packet + * we receive might be for us (and let the upper layers deal + * with it). */ + if (TAILQ_EMPTY(&in_ifaddrhead) && + (m->m_flags & (M_MCAST|M_BCAST)) == 0) + goto ours; + for (ia = TAILQ_FIRST(&in_ifaddrhead); ia; ia = TAILQ_NEXT(ia, ia_link)) { #define satosin(sa) ((struct sockaddr_in *)(sa)) |