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2011-07-14 Gene Smith <gene.smith@siemens.com>

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PR 1381/networking
	* libnetworking/netinet/ip_output.c: If a null or unreachable gateway
	is specified either statically in networkconfig.h or from dhcp/bootp,
	sendto() fails on multicast send with errno 118 Host
This commit is contained in:
Joel Sherrill
2011-07-14 19:16:30 +00:00
parent c756999a47
commit e3b513de4e
2 changed files with 16 additions and 0 deletions
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7
cpukit/ChangeLog
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@@ -1,3 +1,10 @@
2011-07-14 Gene Smith <gene.smith@siemens.com>
PR 1381/networking
* libnetworking/netinet/ip_output.c: If a null or unreachable gateway
is specified either statically in networkconfig.h or from dhcp/bootp,
sendto() fails on multicast send with errno 118 Host
2011-06-10 Joel Sherrill <joel.sherrilL@OARcorp.com>
PR 1812/filesystem

9
cpukit/libnetworking/netinet/ip_output.c
View File

@@ -163,6 +163,15 @@ ip_output(struct mbuf *m0, struct mbuf *opt, struct route *ro, int flags,
ifp = ia->ia_ifp;
ip->ip_ttl = 1;
isbroadcast = in_broadcast(dst->sin_addr, ifp);
} else if (IN_MULTICAST(ntohl(ip->ip_dst.s_addr)) &&
imo != NULL && imo->imo_multicast_ifp != NULL) {
/*
* Bypass the normal routing lookup for multicast
* packets if the interface is specified.
*/
ifp = imo->imo_multicast_ifp;
IFP_TO_IA(ifp, ia);
isbroadcast = 0; /* fool gcc */
} else {
/*
* If this is the case, we probably don't want to allocate