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-rw-r--r--net/openvswitch/flow.h54
1 files changed, 42 insertions, 12 deletions
diff --git a/net/openvswitch/flow.h b/net/openvswitch/flow.h
index 5e5aaed3a85b..71813318c8c7 100644
--- a/net/openvswitch/flow.h
+++ b/net/openvswitch/flow.h
@@ -49,29 +49,53 @@ struct ovs_key_ipv4_tunnel {
49 u8 ipv4_ttl; 49 u8 ipv4_ttl;
50} __packed __aligned(4); /* Minimize padding. */ 50} __packed __aligned(4); /* Minimize padding. */
51 51
52static inline void ovs_flow_tun_key_init(struct ovs_key_ipv4_tunnel *tun_key, 52struct ovs_tunnel_info {
53 const struct iphdr *iph, __be64 tun_id, 53 struct ovs_key_ipv4_tunnel tunnel;
54 __be16 tun_flags) 54 struct geneve_opt *options;
55 u8 options_len;
56};
57
58/* Store options at the end of the array if they are less than the
59 * maximum size. This allows us to get the benefits of variable length
60 * matching for small options.
61 */
62#define GENEVE_OPTS(flow_key, opt_len) \
63 ((struct geneve_opt *)((flow_key)->tun_opts + \
64 FIELD_SIZEOF(struct sw_flow_key, tun_opts) - \
65 opt_len))
66
67static inline void ovs_flow_tun_info_init(struct ovs_tunnel_info *tun_info,
68 const struct iphdr *iph,
69 __be64 tun_id, __be16 tun_flags,
70 struct geneve_opt *opts,
71 u8 opts_len)
55{ 72{
56 tun_key->tun_id = tun_id; 73 tun_info->tunnel.tun_id = tun_id;
57 tun_key->ipv4_src = iph->saddr; 74 tun_info->tunnel.ipv4_src = iph->saddr;
58 tun_key->ipv4_dst = iph->daddr; 75 tun_info->tunnel.ipv4_dst = iph->daddr;
59 tun_key->ipv4_tos = iph->tos; 76 tun_info->tunnel.ipv4_tos = iph->tos;
60 tun_key->ipv4_ttl = iph->ttl; 77 tun_info->tunnel.ipv4_ttl = iph->ttl;
61 tun_key->tun_flags = tun_flags; 78 tun_info->tunnel.tun_flags = tun_flags;
62 79
63 /* clear struct padding. */ 80 /* clear struct padding. */
64 memset((unsigned char *) tun_key + OVS_TUNNEL_KEY_SIZE, 0, 81 memset((unsigned char *)&tun_info->tunnel + OVS_TUNNEL_KEY_SIZE, 0,
65 sizeof(*tun_key) - OVS_TUNNEL_KEY_SIZE); 82 sizeof(tun_info->tunnel) - OVS_TUNNEL_KEY_SIZE);
83
84 tun_info->options = opts;
85 tun_info->options_len = opts_len;
66} 86}
67 87
68struct sw_flow_key { 88struct sw_flow_key {
89 u8 tun_opts[255];
90 u8 tun_opts_len;
69 struct ovs_key_ipv4_tunnel tun_key; /* Encapsulating tunnel key. */ 91 struct ovs_key_ipv4_tunnel tun_key; /* Encapsulating tunnel key. */
70 struct { 92 struct {
71 u32 priority; /* Packet QoS priority. */ 93 u32 priority; /* Packet QoS priority. */
72 u32 skb_mark; /* SKB mark. */ 94 u32 skb_mark; /* SKB mark. */
73 u16 in_port; /* Input switch port (or DP_MAX_PORTS). */ 95 u16 in_port; /* Input switch port (or DP_MAX_PORTS). */
74 } __packed phy; /* Safe when right after 'tun_key'. */ 96 } __packed phy; /* Safe when right after 'tun_key'. */
97 u32 ovs_flow_hash; /* Datapath computed hash value. */
98 u32 recirc_id; /* Recirculation ID. */
75 struct { 99 struct {
76 u8 src[ETH_ALEN]; /* Ethernet source address. */ 100 u8 src[ETH_ALEN]; /* Ethernet source address. */
77 u8 dst[ETH_ALEN]; /* Ethernet destination address. */ 101 u8 dst[ETH_ALEN]; /* Ethernet destination address. */
@@ -187,6 +211,12 @@ void ovs_flow_stats_get(const struct sw_flow *, struct ovs_flow_stats *,
187void ovs_flow_stats_clear(struct sw_flow *); 211void ovs_flow_stats_clear(struct sw_flow *);
188u64 ovs_flow_used_time(unsigned long flow_jiffies); 212u64 ovs_flow_used_time(unsigned long flow_jiffies);
189 213
190int ovs_flow_extract(struct sk_buff *, u16 in_port, struct sw_flow_key *); 214int ovs_flow_key_update(struct sk_buff *skb, struct sw_flow_key *key);
215int ovs_flow_key_extract(struct ovs_tunnel_info *tun_info, struct sk_buff *skb,
216 struct sw_flow_key *key);
217/* Extract key from packet coming from userspace. */
218int ovs_flow_key_extract_userspace(const struct nlattr *attr,
219 struct sk_buff *skb,
220 struct sw_flow_key *key);
191 221
192#endif /* flow.h */ 222#endif /* flow.h */