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Revert "pimd: Prevent igmp packet loopback."

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This reverts commit 5bbcd1f0fd.

This commit badly breaks local 'ip igmp join XXX YYY' commands.

Revert this and fix the issue a slightly different way

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
This commit is contained in:
Donald Sharp 2016-07-11 12:28:36 -04:00
parent cdb805bc9e
commit e20883e6bf
1 changed files with 0 additions and 13 deletions
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13
pimd/pim_igmp.c
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@ -717,19 +717,6 @@ int pim_igmp_packet(struct igmp_sock *igmp, char *buf, size_t len)
from_str, to_str, igmp->interface->name, len, ip_hlen, ip_hdr->ip_p); from_str, to_str, igmp->interface->name, len, ip_hlen, ip_hdr->ip_p);
} }
/*
* When pim starts up we are joining the 224.0.0.13 and 224.0.0.22 multicast
* groups. This is causing the kernel to create a igmp packet that pim
* turns around and receives. Therefor if we are the originator
* of the igmp packet then we can probably just ignore it.
*/
if (ip_hdr->ip_src.s_addr == igmp->ifaddr.s_addr)
{
if (PIM_DEBUG_IGMP_PACKETS)
zlog_debug ("Received IGMP packet from myself, ignoring");
return -1;
}
if (ip_hdr->ip_p != PIM_IP_PROTO_IGMP) { if (ip_hdr->ip_p != PIM_IP_PROTO_IGMP) {
zlog_warn("IP packet protocol=%d is not IGMP=%d", zlog_warn("IP packet protocol=%d is not IGMP=%d",
ip_hdr->ip_p, PIM_IP_PROTO_IGMP); ip_hdr->ip_p, PIM_IP_PROTO_IGMP);