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gre: receive also TEB packets for lwtunnels

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For ipgre interfaces in collect metadata mode, receive also traffic with
encapsulated Ethernet headers. The lwtunnel users are supposed to sort this
out correctly. This allows to have mixed Ethernet + L3-only traffic on the
same lwtunnel interface. This is the same way as VXLAN-GPE behaves.

To keep backwards compatibility and prevent any surprises, gretap interfaces
have priority in receiving packets with Ethernet headers.

Signed-off-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Benc
2016-05-03 17:10:08 +02:00
committed by David S. Miller
parent 244a797bdc
commit 125372faa4
2 changed files with 29 additions and 11 deletions
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1
include/net/ip_tunnels.h
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@@ -160,6 +160,7 @@ struct tnl_ptk_info {
#define PACKET_RCVD 0
#define PACKET_REJECT 1
#define PACKET_NEXT 2
#define IP_TNL_HASH_BITS 7
#define IP_TNL_HASH_SIZE (1 << IP_TNL_HASH_BITS)