summaryrefslogtreecommitdiffstats
path: root/net/ipv4/fib_lookup.h
diff options
context:
space:
mode:
Diffstat (limited to 'net/ipv4/fib_lookup.h')
-rw-r--r--net/ipv4/fib_lookup.h63
1 files changed, 63 insertions, 0 deletions
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 <linux/types.h>
+#include <linux/list.h>
+#include <net/inet_dscp.h>
+#include <net/ip_fib.h>
+#include <net/nexthop.h>
+
+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 */