diff options
Diffstat (limited to 'datapath/flow.h')
| -rw-r--r-- | datapath/flow.h | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/datapath/flow.h b/datapath/flow.h index 0ecf78bd4..941486932 100644 --- a/datapath/flow.h +++ b/datapath/flow.h @@ -53,11 +53,24 @@ struct ovs_key_ipv4_tunnel { struct ovs_tunnel_info { struct ovs_key_ipv4_tunnel tunnel; + struct geneve_opt *options; + u8 options_len; }; +/* Store options at the end of the array if they are less than the + * maximum size. This allows us to get the benefits of variable length + * matching for small options. + */ +#define GENEVE_OPTS(flow_key, opt_len) (struct geneve_opt *) \ + ((flow_key)->tun_opts + \ + FIELD_SIZEOF(struct sw_flow_key, tun_opts) - \ + opt_len) + static inline void ovs_flow_tun_info_init(struct ovs_tunnel_info *tun_info, const struct iphdr *iph, __be64 tun_id, - __be16 tun_flags) + __be16 tun_flags, + struct geneve_opt *opts, + u8 opts_len) { tun_info->tunnel.tun_id = tun_id; tun_info->tunnel.ipv4_src = iph->saddr; @@ -69,9 +82,14 @@ static inline void ovs_flow_tun_info_init(struct ovs_tunnel_info *tun_info, /* clear struct padding. */ memset((unsigned char *) &tun_info->tunnel + OVS_TUNNEL_KEY_SIZE, 0, sizeof(tun_info->tunnel) - OVS_TUNNEL_KEY_SIZE); + + tun_info->options = opts; + tun_info->options_len = opts_len; } struct sw_flow_key { + u8 tun_opts[255]; + u8 tun_opts_len; struct ovs_key_ipv4_tunnel tun_key; /* Encapsulating tunnel key. */ struct { u32 priority; /* Packet QoS priority. */ |