From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- net/ipv4/fib_lookup.h | 63 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 63 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..f9b9e26c3 --- /dev/null +++ b/net/ipv4/fib_lookup.h @@ -0,0 +1,63 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _FIB_LOOKUP_H +#define _FIB_LOOKUP_H + +#include +#include +#include +#include +#include + +struct fib_alias { + struct hlist_node fa_list; + struct fib_info *fa_info; + dscp_t fa_dscp; + u8 fa_type; + u8 fa_state; + u8 fa_slen; + u32 tb_id; + s16 fa_default; + u8 offload; + u8 trap; + u8 offload_failed; + struct rcu_head rcu; +}; + +#define FA_S_ACCESSED 0x01 + +/* Don't 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, + struct netlink_ext_ack *extack); +int fib_nh_match(struct net *net, struct fib_config *cfg, struct fib_info *fi, + struct netlink_ext_ack *extack); +bool fib_metrics_match(struct fib_config *cfg, struct fib_info *fi); +int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event, + const struct fib_rt_info *fri, unsigned int flags); +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); +size_t fib_nlmsg_size(struct fib_info *fi); + +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; + res->nhc = fib_info_nhc(fi, 0); +} + +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