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| author | William Tu <u9012063@gmail.com> | 2017-08-25 09:21:28 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-08-28 15:04:52 -0700 |
| commit | 1a66a836da630cd70f3639208da549b549ce576b (patch) | |
| tree | 8281c49c316b8dc061c40fca636f73960cb7c0eb /include/net/ip_tunnels.h | |
| parent | 862a03c35ed76c50a562f7406ad23315f7862642 (diff) | |
| download | lwn-1a66a836da630cd70f3639208da549b549ce576b.tar.gz lwn-1a66a836da630cd70f3639208da549b549ce576b.zip | |
gre: add collect_md mode to ERSPAN tunnel
Similar to gre, vxlan, geneve, ipip tunnels, allow ERSPAN tunnels to
operate in 'collect metadata' mode. bpf_skb_[gs]et_tunnel_key() helpers
can make use of it right away. OVS can use it as well in the future.
Signed-off-by: William Tu <u9012063@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/ip_tunnels.h')
| -rw-r--r-- | include/net/ip_tunnels.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h index 625c29329372..992652856fe8 100644 --- a/include/net/ip_tunnels.h +++ b/include/net/ip_tunnels.h @@ -154,8 +154,10 @@ struct ip_tunnel { #define TUNNEL_GENEVE_OPT __cpu_to_be16(0x0800) #define TUNNEL_VXLAN_OPT __cpu_to_be16(0x1000) #define TUNNEL_NOCACHE __cpu_to_be16(0x2000) +#define TUNNEL_ERSPAN_OPT __cpu_to_be16(0x4000) -#define TUNNEL_OPTIONS_PRESENT (TUNNEL_GENEVE_OPT | TUNNEL_VXLAN_OPT) +#define TUNNEL_OPTIONS_PRESENT \ + (TUNNEL_GENEVE_OPT | TUNNEL_VXLAN_OPT | TUNNEL_ERSPAN_OPT) struct tnl_ptk_info { __be16 flags; |