struct sw_flow_key {
__be64 tun_id; /* Encapsulating tunnel ID. */
- __be32 nw_src; /* IP source address. */
- __be32 nw_dst; /* IP destination address. */
+ union {
+ struct {
+ __be32 ipv4_src; /* IPv4 source address. */
+ __be32 ipv4_dst; /* IPv4 destination address. */
+ };
+ struct {
+ __be32 ipv6_src[4]; /* IPv6 source address. */
+ __be32 ipv6_dst[4]; /* IPv6 source address. */
+ };
+ };
+ __be32 nd_target[4]; /* IPv6 ND target address. */
u16 in_port; /* Input switch port. */
__be16 dl_tci; /* 0 if no VLAN, VLAN_TAG_PRESENT set otherwise. */
__be16 dl_type; /* Ethernet frame type. */
u8 dl_dst[ETH_ALEN]; /* Ethernet destination address. */
u8 nw_proto; /* IP protocol or lower 8 bits of ARP opcode. */
u8 nw_tos; /* IP ToS (DSCP field, 6 bits). */
+ u8 arp_sha[ETH_ALEN]; /* ARP/ND source hardware address. */
+ u8 arp_tha[ETH_ALEN]; /* ARP/ND target hardware address. */
};
struct sw_flow {
int flow_extract(struct sk_buff *, u16 in_port, struct sw_flow_key *, bool *is_frag);
void flow_used(struct sw_flow *, struct sk_buff *);
+u64 flow_used_time(unsigned long flow_jiffies);
u32 flow_hash(const struct sw_flow_key *);
int flow_cmp(const struct tbl_node *, void *target);