X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=include%2Fnet%2Fip_fib.h;h=f580542f08ed29a9912dec81d72bbbe3da0359f2;hb=7f9b80529b8a;hp=69252cbe05b0392fe392b4ca708784330ba73f29;hpb=aba297927d1d558c7a94548135133bdf9172708a;p=karo-tx-linux.git diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h index 69252cbe05b0..f580542f08ed 100644 --- a/include/net/ip_fib.h +++ b/include/net/ip_fib.h @@ -39,7 +39,6 @@ struct fib_config { int fc_mx_len; int fc_mp_len; u32 fc_flow; - u32 fc_mp_alg; u32 fc_nlflags; struct nl_info fc_nlinfo; }; @@ -85,9 +84,6 @@ struct fib_info { int fib_nhs; #ifdef CONFIG_IP_ROUTE_MULTIPATH int fib_power; -#endif -#ifdef CONFIG_IP_ROUTE_MULTIPATH_CACHED - u32 fib_mp_alg; #endif struct fib_nh fib_nh[0]; #define fib_dev fib_nh[0].nh_dev @@ -103,10 +99,6 @@ struct fib_result { unsigned char nh_sel; unsigned char type; unsigned char scope; -#ifdef CONFIG_IP_ROUTE_MULTIPATH_CACHED - __be32 network; - __be32 netmask; -#endif struct fib_info *fi; #ifdef CONFIG_IP_MULTIPLE_TABLES struct fib_rule *r; @@ -133,11 +125,15 @@ struct fib_result_nl { #define FIB_RES_NH(res) ((res).fi->fib_nh[(res).nh_sel]) #define FIB_RES_RESET(res) ((res).nh_sel = 0) +#define FIB_TABLE_HASHSZ 2 + #else /* CONFIG_IP_ROUTE_MULTIPATH */ #define FIB_RES_NH(res) ((res).fi->fib_nh[0]) #define FIB_RES_RESET(res) +#define FIB_TABLE_HASHSZ 256 + #endif /* CONFIG_IP_ROUTE_MULTIPATH */ #define FIB_RES_PREFSRC(res) ((res).fi->fib_prefsrc ? : __fib_res_prefsrc(&res)) @@ -145,18 +141,11 @@ struct fib_result_nl { #define FIB_RES_DEV(res) (FIB_RES_NH(res).nh_dev) #define FIB_RES_OIF(res) (FIB_RES_NH(res).nh_oif) -#ifdef CONFIG_IP_ROUTE_MULTIPATH_CACHED -#define FIB_RES_NETWORK(res) ((res).network) -#define FIB_RES_NETMASK(res) ((res).netmask) -#else /* CONFIG_IP_ROUTE_MULTIPATH_CACHED */ -#define FIB_RES_NETWORK(res) (0) -#define FIB_RES_NETMASK(res) (0) -#endif /* CONFIG_IP_ROUTE_MULTIPATH_WRANDOM */ - struct fib_table { struct hlist_node tb_hlist; u32 tb_id; unsigned tb_stamp; + int tb_default; int (*tb_lookup)(struct fib_table *tb, const struct flowi *flp, struct fib_result *res); int (*tb_insert)(struct fib_table *, struct fib_config *); int (*tb_delete)(struct fib_table *, struct fib_config *); @@ -171,43 +160,58 @@ struct fib_table { #ifndef CONFIG_IP_MULTIPLE_TABLES -extern struct fib_table *ip_fib_local_table; -extern struct fib_table *ip_fib_main_table; +#define TABLE_LOCAL_INDEX 0 +#define TABLE_MAIN_INDEX 1 -static inline struct fib_table *fib_get_table(u32 id) +static inline struct fib_table *fib_get_table(struct net *net, u32 id) { - if (id != RT_TABLE_LOCAL) - return ip_fib_main_table; - return ip_fib_local_table; + struct hlist_head *ptr; + + ptr = id == RT_TABLE_LOCAL ? + &net->ipv4.fib_table_hash[TABLE_LOCAL_INDEX] : + &net->ipv4.fib_table_hash[TABLE_MAIN_INDEX]; + return hlist_entry(ptr->first, struct fib_table, tb_hlist); } -static inline struct fib_table *fib_new_table(u32 id) +static inline struct fib_table *fib_new_table(struct net *net, u32 id) { - return fib_get_table(id); + return fib_get_table(net, id); } static inline int fib_lookup(const struct flowi *flp, struct fib_result *res) { - if (ip_fib_local_table->tb_lookup(ip_fib_local_table, flp, res) && - ip_fib_main_table->tb_lookup(ip_fib_main_table, flp, res)) - return -ENETUNREACH; - return 0; + struct fib_table *table; + + table = fib_get_table(&init_net, RT_TABLE_LOCAL); + if (!table->tb_lookup(table, flp, res)) + return 0; + + table = fib_get_table(&init_net, RT_TABLE_MAIN); + if (!table->tb_lookup(table, flp, res)) + return 0; + return -ENETUNREACH; } -static inline void fib_select_default(const struct flowi *flp, struct fib_result *res) +static inline void fib_select_default(const struct flowi *flp, + struct fib_result *res) { + struct fib_table *table = fib_get_table(&init_net, RT_TABLE_MAIN); if (FIB_RES_GW(*res) && FIB_RES_NH(*res).nh_scope == RT_SCOPE_LINK) - ip_fib_main_table->tb_select_default(ip_fib_main_table, flp, res); + table->tb_select_default(table, flp, res); } #else /* CONFIG_IP_MULTIPLE_TABLES */ -#define ip_fib_local_table fib_get_table(RT_TABLE_LOCAL) -#define ip_fib_main_table fib_get_table(RT_TABLE_MAIN) +extern int __net_init fib4_rules_init(struct net *net); +extern void __net_exit fib4_rules_exit(struct net *net); + +#ifdef CONFIG_NET_CLS_ROUTE +extern u32 fib_rules_tclass(struct fib_result *res); +#endif extern int fib_lookup(struct flowi *flp, struct fib_result *res); -extern struct fib_table *fib_new_table(u32 id); -extern struct fib_table *fib_get_table(u32 id); +extern struct fib_table *fib_new_table(struct net *net, u32 id); +extern struct fib_table *fib_get_table(struct net *net, u32 id); extern void fib_select_default(const struct flowi *flp, struct fib_result *res); #endif /* CONFIG_IP_MULTIPLE_TABLES */ @@ -227,17 +231,9 @@ extern int fib_sync_down(__be32 local, struct net_device *dev, int force); extern int fib_sync_up(struct net_device *dev); extern __be32 __fib_res_prefsrc(struct fib_result *res); -/* Exported by fib_hash.c */ -extern struct fib_table *fib_hash_init(u32 id); - -#ifdef CONFIG_IP_MULTIPLE_TABLES -extern void __init fib4_rules_init(void); - -#ifdef CONFIG_NET_CLS_ROUTE -extern u32 fib_rules_tclass(struct fib_result *res); -#endif - -#endif +/* Exported by fib_{hash|trie}.c */ +extern void fib_hash_init(void); +extern struct fib_table *fib_hash_table(u32 id); static inline void fib_combine_itag(u32 *itag, struct fib_result *res) { @@ -274,8 +270,8 @@ static inline void fib_res_put(struct fib_result *res) } #ifdef CONFIG_PROC_FS -extern int fib_proc_init(void); -extern void fib_proc_exit(void); +extern int __net_init fib_proc_init(struct net *net); +extern void __net_exit fib_proc_exit(struct net *net); #endif #endif /* _NET_FIB_H */