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mpls: fix forwarding using v4/v6 explicit null

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Fill in the via address length for the predefined IPv4 and IPv6
explicit-null label routes.

Fixes: f8efb73c97e2 ("mpls: multipath route support")
Signed-off-by: Robert Shearman <rshearma@brocade.com>
Acked-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Robert Shearman 2015-10-27 00:37:35 +00:00 committed by David S. Miller
parent c0f9c7e45d
commit b4e04fc735
1 changed files with 2 additions and 0 deletions
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2
net/mpls/af_mpls.c
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@ -1345,6 +1345,7 @@ static int resize_platform_label_table(struct net *net, size_t limit)
rt0->rt_protocol = RTPROT_KERNEL;
rt0->rt_payload_type = MPT_IPV4;
rt0->rt_nh->nh_via_table = NEIGH_LINK_TABLE;
rt0->rt_nh->nh_via_alen = lo->addr_len;
memcpy(rt0->rt_nh->nh_via, lo->dev_addr, lo->addr_len);
}
if (limit > MPLS_LABEL_IPV6NULL) {
@ -1356,6 +1357,7 @@ static int resize_platform_label_table(struct net *net, size_t limit)
rt2->rt_protocol = RTPROT_KERNEL;
rt2->rt_payload_type = MPT_IPV6;
rt2->rt_nh->nh_via_table = NEIGH_LINK_TABLE;
rt2->rt_nh->nh_via_alen = lo->addr_len;
memcpy(rt2->rt_nh->nh_via, lo->dev_addr, lo->addr_len);
}