3 * Generic internet FLOW.
10 #include <linux/in6.h>
11 #include <asm/atomic.h>
27 struct in6_addr daddr;
28 struct in6_addr saddr;
39 #define fld_dst nl_u.dn_u.daddr
40 #define fld_src nl_u.dn_u.saddr
41 #define fld_fwmark nl_u.dn_u.fwmark
42 #define fld_scope nl_u.dn_u.scope
43 #define fl6_dst nl_u.ip6_u.daddr
44 #define fl6_src nl_u.ip6_u.saddr
45 #define fl6_flowlabel nl_u.ip6_u.flowlabel
46 #define fl4_dst nl_u.ip4_u.daddr
47 #define fl4_src nl_u.ip4_u.saddr
48 #define fl4_fwmark nl_u.ip4_u.fwmark
49 #define fl4_tos nl_u.ip4_u.tos
50 #define fl4_scope nl_u.ip4_u.scope
54 #define FLOWI_FLAG_MULTIPATHOLDROUTE 0x01
70 __u8 objnamel; /* Not 16 bits since max val is 16 */
71 __u8 objname[16]; /* Not zero terminated */
76 #ifdef CONFIG_IPV6_MIP6
82 #define fl_ip_sport uli_u.ports.sport
83 #define fl_ip_dport uli_u.ports.dport
84 #define fl_icmp_type uli_u.icmpt.type
85 #define fl_icmp_code uli_u.icmpt.code
86 #define fl_ipsec_spi uli_u.spi
87 #ifdef CONFIG_IPV6_MIP6
88 #define fl_mh_type uli_u.mht.type
90 __u32 secid; /* used by xfrm; see secid.txt */
91 } __attribute__((__aligned__(BITS_PER_LONG/8)));
94 #define FLOW_DIR_OUT 1
95 #define FLOW_DIR_FWD 2
98 typedef void (*flow_resolve_t)(struct flowi *key, u16 family, u8 dir,
99 void **objp, atomic_t **obj_refp);
101 extern void *flow_cache_lookup(struct flowi *key, u16 family, u8 dir,
102 flow_resolve_t resolver);
103 extern void flow_cache_flush(void);
104 extern atomic_t flow_cache_genid;