diff options
Diffstat (limited to 'ANDROID_3.4.5/include/net/flow.h')
-rw-r--r-- | ANDROID_3.4.5/include/net/flow.h | 226 |
1 files changed, 0 insertions, 226 deletions
diff --git a/ANDROID_3.4.5/include/net/flow.h b/ANDROID_3.4.5/include/net/flow.h deleted file mode 100644 index 6c469dbd..00000000 --- a/ANDROID_3.4.5/include/net/flow.h +++ /dev/null @@ -1,226 +0,0 @@ -/* - * - * Generic internet FLOW. - * - */ - -#ifndef _NET_FLOW_H -#define _NET_FLOW_H - -#include <linux/socket.h> -#include <linux/in6.h> -#include <linux/atomic.h> - -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 dport; - __be16 sport; - } ports; - - struct { - __u8 type; - __u8 code; - } icmpt; - - struct { - __le16 dport; - __le16 sport; - } 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 - - /* (saddr,daddr) must be grouped, same order as in IP header */ - __be32 saddr; - __be32 daddr; - - 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 -} __attribute__((__aligned__(BITS_PER_LONG/8))); - -static inline void flowi4_init_output(struct flowi4 *fl4, int oif, - __u32 mark, __u8 tos, __u8 scope, - __u8 proto, __u8 flags, - __be32 daddr, __be32 saddr, - __be16 dport, __be16 sport) -{ - fl4->flowi4_oif = oif; - fl4->flowi4_iif = 0; - fl4->flowi4_mark = mark; - fl4->flowi4_tos = tos; - fl4->flowi4_scope = scope; - fl4->flowi4_proto = proto; - fl4->flowi4_flags = flags; - fl4->flowi4_secid = 0; - fl4->daddr = daddr; - fl4->saddr = saddr; - fl4->fl4_dport = dport; - fl4->fl4_sport = sport; -} - -/* Reset some input parameters after previous lookup */ -static inline void flowi4_update_output(struct flowi4 *fl4, int oif, __u8 tos, - __be32 daddr, __be32 saddr) -{ - fl4->flowi4_oif = oif; - fl4->flowi4_tos = tos; - fl4->daddr = daddr; - fl4->saddr = saddr; -} - - -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 -} __attribute__((__aligned__(BITS_PER_LONG/8))); - -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 -} __attribute__((__aligned__(BITS_PER_LONG/8))); - -struct flowi { - union { - 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); -} - -typedef unsigned long flow_compare_t; - -static inline size_t flow_key_size(u16 family) -{ - switch (family) { - case AF_INET: - BUILD_BUG_ON(sizeof(struct flowi4) % sizeof(flow_compare_t)); - return sizeof(struct flowi4) / sizeof(flow_compare_t); - case AF_INET6: - BUILD_BUG_ON(sizeof(struct flowi6) % sizeof(flow_compare_t)); - return sizeof(struct flowi6) / sizeof(flow_compare_t); - case AF_DECnet: - BUILD_BUG_ON(sizeof(struct flowidn) % sizeof(flow_compare_t)); - return sizeof(struct flowidn) / sizeof(flow_compare_t); - } - return 0; -} - -#define FLOW_DIR_IN 0 -#define FLOW_DIR_OUT 1 -#define FLOW_DIR_FWD 2 - -struct net; -struct sock; -struct flow_cache_ops; - -struct flow_cache_object { - const struct flow_cache_ops *ops; -}; - -struct flow_cache_ops { - struct flow_cache_object *(*get)(struct flow_cache_object *); - int (*check)(struct flow_cache_object *); - void (*delete)(struct flow_cache_object *); -}; - -typedef struct flow_cache_object *(*flow_resolve_t)( - 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, const struct flowi *key, u16 family, - u8 dir, flow_resolve_t resolver, void *ctx); - -extern void flow_cache_flush(void); -extern void flow_cache_flush_deferred(void); -extern atomic_t flow_cache_genid; - -#endif |