#include <linux/in6.h>
#include <asm/atomic.h>
-struct flowi {
- int oif;
- int iif;
- __u32 mark;
-
- union {
- struct {
- __be32 daddr;
- __be32 saddr;
- __u8 tos;
- __u8 scope;
- } ip4_u;
-
- struct {
- struct in6_addr daddr;
- struct in6_addr saddr;
- __be32 flowlabel;
- } ip6_u;
-
- struct {
- __le16 daddr;
- __le16 saddr;
- __u8 scope;
- } dn_u;
- } nl_u;
-#define fld_dst nl_u.dn_u.daddr
-#define fld_src nl_u.dn_u.saddr
-#define fld_scope nl_u.dn_u.scope
-#define fl6_dst nl_u.ip6_u.daddr
-#define fl6_src nl_u.ip6_u.saddr
-#define fl6_flowlabel nl_u.ip6_u.flowlabel
-#define fl4_dst nl_u.ip4_u.daddr
-#define fl4_src nl_u.ip4_u.saddr
-#define fl4_tos nl_u.ip4_u.tos
-#define fl4_scope nl_u.ip4_u.scope
-
- __u8 proto;
- __u8 flags;
+struct flowi_common {
+ int flowic_oif;
+ int flowic_iif;
+ __u32 flowic_mark;
+ __u8 flowic_tos;
+ __u8 flowic_scope;
+ __u8 flowic_proto;
+ __u8 flowic_flags;
#define FLOWI_FLAG_ANYSRC 0x01
#define FLOWI_FLAG_PRECOW_METRICS 0x02
+#define FLOWI_FLAG_CAN_SLEEP 0x04
+ __u32 flowic_secid;
+};
+
+union flowi_uli {
+ struct {
+ __be16 sport;
+ __be16 dport;
+ } ports;
+
+ struct {
+ __u8 type;
+ __u8 code;
+ } icmpt;
+
+ struct {
+ __le16 sport;
+ __le16 dport;
+ } dnports;
+
+ __be32 spi;
+ __be32 gre_key;
+
+ struct {
+ __u8 type;
+ } mht;
+};
+
+struct flowi4 {
+ struct flowi_common __fl_common;
+#define flowi4_oif __fl_common.flowic_oif
+#define flowi4_iif __fl_common.flowic_iif
+#define flowi4_mark __fl_common.flowic_mark
+#define flowi4_tos __fl_common.flowic_tos
+#define flowi4_scope __fl_common.flowic_scope
+#define flowi4_proto __fl_common.flowic_proto
+#define flowi4_flags __fl_common.flowic_flags
+#define flowi4_secid __fl_common.flowic_secid
+ __be32 daddr;
+ __be32 saddr;
+ union flowi_uli uli;
+#define fl4_sport uli.ports.sport
+#define fl4_dport uli.ports.dport
+#define fl4_icmp_type uli.icmpt.type
+#define fl4_icmp_code uli.icmpt.code
+#define fl4_ipsec_spi uli.spi
+#define fl4_mh_type uli.mht.type
+#define fl4_gre_key uli.gre_key
+};
+
+struct flowi6 {
+ struct flowi_common __fl_common;
+#define flowi6_oif __fl_common.flowic_oif
+#define flowi6_iif __fl_common.flowic_iif
+#define flowi6_mark __fl_common.flowic_mark
+#define flowi6_tos __fl_common.flowic_tos
+#define flowi6_scope __fl_common.flowic_scope
+#define flowi6_proto __fl_common.flowic_proto
+#define flowi6_flags __fl_common.flowic_flags
+#define flowi6_secid __fl_common.flowic_secid
+ struct in6_addr daddr;
+ struct in6_addr saddr;
+ __be32 flowlabel;
+ union flowi_uli uli;
+#define fl6_sport uli.ports.sport
+#define fl6_dport uli.ports.dport
+#define fl6_icmp_type uli.icmpt.type
+#define fl6_icmp_code uli.icmpt.code
+#define fl6_ipsec_spi uli.spi
+#define fl6_mh_type uli.mht.type
+#define fl6_gre_key uli.gre_key
+};
+
+struct flowidn {
+ struct flowi_common __fl_common;
+#define flowidn_oif __fl_common.flowic_oif
+#define flowidn_iif __fl_common.flowic_iif
+#define flowidn_mark __fl_common.flowic_mark
+#define flowidn_scope __fl_common.flowic_scope
+#define flowidn_proto __fl_common.flowic_proto
+#define flowidn_flags __fl_common.flowic_flags
+ __le16 daddr;
+ __le16 saddr;
+ union flowi_uli uli;
+#define fld_sport uli.ports.sport
+#define fld_dport uli.ports.dport
+};
+
+struct flowi {
union {
- struct {
- __be16 sport;
- __be16 dport;
- } ports;
-
- struct {
- __u8 type;
- __u8 code;
- } icmpt;
-
- struct {
- __le16 sport;
- __le16 dport;
- } dnports;
-
- __be32 spi;
- __be32 gre_key;
-
- struct {
- __u8 type;
- } mht;
- } uli_u;
-#define fl_ip_sport uli_u.ports.sport
-#define fl_ip_dport uli_u.ports.dport
-#define fl_icmp_type uli_u.icmpt.type
-#define fl_icmp_code uli_u.icmpt.code
-#define fl_ipsec_spi uli_u.spi
-#define fl_mh_type uli_u.mht.type
-#define fl_gre_key uli_u.gre_key
- __u32 secid; /* used by xfrm; see secid.txt */
+ struct flowi_common __fl_common;
+ struct flowi4 ip4;
+ struct flowi6 ip6;
+ struct flowidn dn;
+ } u;
+#define flowi_oif u.__fl_common.flowic_oif
+#define flowi_iif u.__fl_common.flowic_iif
+#define flowi_mark u.__fl_common.flowic_mark
+#define flowi_tos u.__fl_common.flowic_tos
+#define flowi_scope u.__fl_common.flowic_scope
+#define flowi_proto u.__fl_common.flowic_proto
+#define flowi_flags u.__fl_common.flowic_flags
+#define flowi_secid u.__fl_common.flowic_secid
} __attribute__((__aligned__(BITS_PER_LONG/8)));
+static inline struct flowi *flowi4_to_flowi(struct flowi4 *fl4)
+{
+ return container_of(fl4, struct flowi, u.ip4);
+}
+
+static inline struct flowi *flowi6_to_flowi(struct flowi6 *fl6)
+{
+ return container_of(fl6, struct flowi, u.ip6);
+}
+
+static inline struct flowi *flowidn_to_flowi(struct flowidn *fldn)
+{
+ return container_of(fldn, struct flowi, u.dn);
+}
+
#define FLOW_DIR_IN 0
#define FLOW_DIR_OUT 1
#define FLOW_DIR_FWD 2
};
typedef struct flow_cache_object *(*flow_resolve_t)(
- struct net *net, struct flowi *key, u16 family,
+ struct net *net, const struct flowi *key, u16 family,
u8 dir, struct flow_cache_object *oldobj, void *ctx);
extern struct flow_cache_object *flow_cache_lookup(
- struct net *net, struct flowi *key, u16 family,
+ struct net *net, const struct flowi *key, u16 family,
u8 dir, flow_resolve_t resolver, void *ctx);
extern void flow_cache_flush(void);
extern atomic_t flow_cache_genid;
-static inline int flow_cache_uli_match(struct flowi *fl1, struct flowi *fl2)
-{
- return (fl1->proto == fl2->proto &&
- !memcmp(&fl1->uli_u, &fl2->uli_u, sizeof(fl1->uli_u)));
-}
-
#endif
git.openpandora.org / pandora-kernel.git / blobdiff