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authorPravin B Shelar <pshelar@nicira.com>2013-06-17 17:50:18 -0700
committerDavid S. Miller <davem@davemloft.net>2013-06-19 18:07:41 -0700
commit7d5437c709ded4f152cb8b305d17972d6707f20c (patch)
treed69da5004c4a65a0d4f60f5f8884f2aad120698f /net/openvswitch/flow.h
parent74f84a5726c7d08c27745305e67474b8645c541d (diff)
downloadlinux-7d5437c709ded4f152cb8b305d17972d6707f20c.tar.bz2
openvswitch: Add tunneling interface.
Add ovs tunnel interface for set tunnel action for userspace. 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.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/net/openvswitch/flow.h b/net/openvswitch/flow.h
index e370f6246ee9..aec5e43f690b 100644
--- a/net/openvswitch/flow.h
+++ b/net/openvswitch/flow.h
@@ -40,7 +40,22 @@ struct sw_flow_actions {
struct nlattr actions[];
};
+/* Used to memset ovs_key_ipv4_tunnel padding. */
+#define OVS_TUNNEL_KEY_SIZE \
+ (offsetof(struct ovs_key_ipv4_tunnel, ipv4_ttl) + \
+ FIELD_SIZEOF(struct ovs_key_ipv4_tunnel, ipv4_ttl))
+
+struct ovs_key_ipv4_tunnel {
+ __be64 tun_id;
+ __be32 ipv4_src;
+ __be32 ipv4_dst;
+ u16 tun_flags;
+ u8 ipv4_tos;
+ u8 ipv4_ttl;
+};
+
struct sw_flow_key {
+ struct ovs_key_ipv4_tunnel tun_key; /* Encapsulating tunnel key. */
struct {
u32 priority; /* Packet QoS priority. */
u32 skb_mark; /* SKB mark. */
@@ -179,5 +194,9 @@ u32 ovs_flow_hash(const struct sw_flow_key *key, int key_len);
struct sw_flow *ovs_flow_tbl_next(struct flow_table *table, u32 *bucket, u32 *idx);
extern const int ovs_key_lens[OVS_KEY_ATTR_MAX + 1];
+int ovs_ipv4_tun_from_nlattr(const struct nlattr *attr,
+ struct ovs_key_ipv4_tunnel *tun_key);
+int ovs_ipv4_tun_to_nlattr(struct sk_buff *skb,
+ const struct ovs_key_ipv4_tunnel *tun_key);
#endif /* flow.h */