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authorRobert Shearman <rshearma@brocade.com>2015-08-06 11:04:56 +0100
committerDavid S. Miller <davem@davemloft.net>2015-08-09 22:51:42 -0700
commit118d5234636ca3718f47ca2c8a3b117c19dfdffd (patch)
tree165c54e4e2079c7dab2446535f1e1510df0de783 /net/ceph
parentd74a790d5237e7f56677030d932bc4f37ec36c92 (diff)
mpls: Enforce payload type of traffic sent using explicit NULL
RFC 4182 s2 states that if an IPv4 Explicit NULL label is the only label on the stack, then after popping the resulting packet must be treated as a IPv4 packet and forwarded based on the IPv4 header. The same is true for IPv6 Explicit NULL with an IPv6 packet following. Therefore, when installing the IPv4/IPv6 Explicit NULL label routes, add an attribute that specifies the expected payload type for use at forwarding time for determining the type of the encapsulated packet instead of inspecting the first nibble of the packet. Signed-off-by: Robert Shearman <rshearma@brocade.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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