diff options
| author | Pravin B Shelar <pshelar@nicira.com> | 2013-06-17 17:50:33 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-06-19 18:07:42 -0700 |
| commit | aa310701e787087dbfbccf1409982a96e16c57a6 (patch) | |
| tree | f426945de6694203f2c34218b4e4b06913b8f58c /net/openvswitch/flow.h | |
| parent | a3e82996a8874c4cfe8c7f1be4d552018d8cba7e (diff) | |
openvswitch: Add gre tunnel support.
Add gre vport implementation. Most of gre protocol processing
is pushed to gre module. It make use of gre demultiplexer
therefore it can co-exist with linux device based gre tunnels.
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Acked-by: Jesse Gross <jesse@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/openvswitch/flow.h')
| -rw-r--r-- | net/openvswitch/flow.h | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/net/openvswitch/flow.h b/net/openvswitch/flow.h index 999842f247a0..66ef7220293e 100644 --- a/net/openvswitch/flow.h +++ b/net/openvswitch/flow.h @@ -49,11 +49,27 @@ struct ovs_key_ipv4_tunnel { __be64 tun_id; __be32 ipv4_src; __be32 ipv4_dst; - u16 tun_flags; + __be16 tun_flags; u8 ipv4_tos; u8 ipv4_ttl; }; +static inline void ovs_flow_tun_key_init(struct ovs_key_ipv4_tunnel *tun_key, + const struct iphdr *iph, __be64 tun_id, + __be16 tun_flags) +{ + tun_key->tun_id = tun_id; + tun_key->ipv4_src = iph->saddr; + tun_key->ipv4_dst = iph->daddr; + tun_key->ipv4_tos = iph->tos; + tun_key->ipv4_ttl = iph->ttl; + tun_key->tun_flags = tun_flags; + + /* clear struct padding. */ + memset((unsigned char *) tun_key + OVS_TUNNEL_KEY_SIZE, 0, + sizeof(*tun_key) - OVS_TUNNEL_KEY_SIZE); +} + struct sw_flow_key { struct ovs_key_ipv4_tunnel tun_key; /* Encapsulating tunnel key. */ struct { |