net/sched: act_mpls: Add action to push MPLS LSE before Ethernet header

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Define the MAC_PUSH action which pushes an MPLS LSE before the mac
header (instead of between the mac and the network headers as the
plain PUSH action does).

The only special case is when the skb has an offloaded VLAN. In that
case, it has to be inlined before pushing the MPLS header.

Signed-off-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Guillaume Nault 2020-10-03 00:44:31 +02:00 • committed by David S. Miller

parent 19fbcb36a3

commit a45294af9e

2 changed files with 19 additions and 0 deletions

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include/uapi/linux/tc_act/tc_mpls.h

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