From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- net/ipv4/fib_lookup.h | 52 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 net/ipv4/fib_lookup.h (limited to 'net/ipv4/fib_lookup.h') diff --git a/net/ipv4/fib_lookup.h b/net/ipv4/fib_lookup.h new file mode 100644 index 000000000..c6211ed60 --- /dev/null +++ b/net/ipv4/fib_lookup.h @@ -0,0 +1,52 @@ +#ifndef _FIB_LOOKUP_H +#define _FIB_LOOKUP_H + +#include +#include +#include + +struct fib_alias { + struct hlist_node fa_list; + struct fib_info *fa_info; + u8 fa_tos; + u8 fa_type; + u8 fa_state; + u8 fa_slen; + u32 tb_id; + struct rcu_head rcu; +}; + +#define FA_S_ACCESSED 0x01 + +/* Dont write on fa_state unless needed, to keep it shared on all cpus */ +static inline void fib_alias_accessed(struct fib_alias *fa) +{ + if (!(fa->fa_state & FA_S_ACCESSED)) + fa->fa_state |= FA_S_ACCESSED; +} + +/* Exported by fib_semantics.c */ +void fib_release_info(struct fib_info *); +struct fib_info *fib_create_info(struct fib_config *cfg); +int fib_nh_match(struct fib_config *cfg, struct fib_info *fi); +int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event, u32 tb_id, + u8 type, __be32 dst, int dst_len, u8 tos, struct fib_info *fi, + unsigned int); +void rtmsg_fib(int event, __be32 key, struct fib_alias *fa, int dst_len, + u32 tb_id, const struct nl_info *info, unsigned int nlm_flags); + +static inline void fib_result_assign(struct fib_result *res, + struct fib_info *fi) +{ + /* we used to play games with refcounts, but we now use RCU */ + res->fi = fi; +} + +struct fib_prop { + int error; + u8 scope; +}; + +extern const struct fib_prop fib_props[RTN_MAX + 1]; + +#endif /* _FIB_LOOKUP_H */ -- cgit v1.2.3-54-g00ecf