fib_lookup.h (1701B)
1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef _FIB_LOOKUP_H 3#define _FIB_LOOKUP_H 4 5#include <linux/types.h> 6#include <linux/list.h> 7#include <net/inet_dscp.h> 8#include <net/ip_fib.h> 9#include <net/nexthop.h> 10 11struct fib_alias { 12 struct hlist_node fa_list; 13 struct fib_info *fa_info; 14 dscp_t fa_dscp; 15 u8 fa_type; 16 u8 fa_state; 17 u8 fa_slen; 18 u32 tb_id; 19 s16 fa_default; 20 u8 offload; 21 u8 trap; 22 u8 offload_failed; 23 struct rcu_head rcu; 24}; 25 26#define FA_S_ACCESSED 0x01 27 28/* Don't write on fa_state unless needed, to keep it shared on all cpus */ 29static inline void fib_alias_accessed(struct fib_alias *fa) 30{ 31 if (!(fa->fa_state & FA_S_ACCESSED)) 32 fa->fa_state |= FA_S_ACCESSED; 33} 34 35/* Exported by fib_semantics.c */ 36void fib_release_info(struct fib_info *); 37struct fib_info *fib_create_info(struct fib_config *cfg, 38 struct netlink_ext_ack *extack); 39int fib_nh_match(struct net *net, struct fib_config *cfg, struct fib_info *fi, 40 struct netlink_ext_ack *extack); 41bool fib_metrics_match(struct fib_config *cfg, struct fib_info *fi); 42int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event, 43 const struct fib_rt_info *fri, unsigned int flags); 44void rtmsg_fib(int event, __be32 key, struct fib_alias *fa, int dst_len, 45 u32 tb_id, const struct nl_info *info, unsigned int nlm_flags); 46size_t fib_nlmsg_size(struct fib_info *fi); 47 48static inline void fib_result_assign(struct fib_result *res, 49 struct fib_info *fi) 50{ 51 /* we used to play games with refcounts, but we now use RCU */ 52 res->fi = fi; 53 res->nhc = fib_info_nhc(fi, 0); 54} 55 56struct fib_prop { 57 int error; 58 u8 scope; 59}; 60 61extern const struct fib_prop fib_props[RTN_MAX + 1]; 62 63#endif /* _FIB_LOOKUP_H */