/* * BIRD -- Linux Kernel Netlink Route Syncer * * (c) 1998--2000 Martin Mares * * Can be freely distributed and used under the terms of the GNU GPL. */ #ifndef _BIRD_KRT_SYS_H_ #define _BIRD_KRT_SYS_H_ /* Kernel interfaces */ struct kif_params { }; struct kif_state { }; static inline void kif_sys_init(struct kif_proto *p UNUSED) { } static inline int kif_sys_reconfigure(struct kif_proto *p UNUSED, struct kif_config *n UNUSED, struct kif_config *o UNUSED) { return 1; } static inline void kif_sys_preconfig(struct config *c UNUSED) { } static inline void kif_sys_postconfig(struct kif_config *c UNUSED) { } static inline void kif_sys_init_config(struct kif_config *c UNUSED) { } static inline void kif_sys_copy_config(struct kif_config *d UNUSED, struct kif_config *s UNUSED) { } static inline struct ifa * kif_get_primary_ip(struct iface *i UNUSED) { return NULL; } /* Kernel routes */ #define KRT_ALLOW_MERGE_PATHS 1 #define EA_KRT_PREFSRC EA_CODE(EAP_KRT, 0x10) #define EA_KRT_REALM EA_CODE(EAP_KRT, 0x11) #define EA_KRT_SCOPE EA_CODE(EAP_KRT, 0x12) #define KRT_METRICS_MAX 0x10 /* RTAX_QUICKACK+1 */ #define KRT_METRICS_OFFSET 0x20 /* Offset of EA_KRT_* vs RTAX_* */ #define KRT_FEATURES_MAX 4 /* * Following attributes are parts of RTA_METRICS kernel route attribute, their * ids must be consistent with their RTAX_* constants (+ KRT_METRICS_OFFSET) */ #define EA_KRT_METRICS EA_CODE(EAP_KRT, 0x20) /* Dummy one */ #define EA_KRT_LOCK EA_CODE(EAP_KRT, 0x21) #define EA_KRT_MTU EA_CODE(EAP_KRT, 0x22) #define EA_KRT_WINDOW EA_CODE(EAP_KRT, 0x23) #define EA_KRT_RTT EA_CODE(EAP_KRT, 0x24) #define EA_KRT_RTTVAR EA_CODE(EAP_KRT, 0x25) #define EA_KRT_SSTRESH EA_CODE(EAP_KRT, 0x26) #define EA_KRT_CWND EA_CODE(EAP_KRT, 0x27) #define EA_KRT_ADVMSS EA_CODE(EAP_KRT, 0x28) #define EA_KRT_REORDERING EA_CODE(EAP_KRT, 0x29) #define EA_KRT_HOPLIMIT EA_CODE(EAP_KRT, 0x2a) #define EA_KRT_INITCWND EA_CODE(EAP_KRT, 0x2b) #define EA_KRT_FEATURES EA_CODE(EAP_KRT, 0x2c) #define EA_KRT_RTO_MIN EA_CODE(EAP_KRT, 0x2d) #define EA_KRT_INITRWND EA_CODE(EAP_KRT, 0x2e) #define EA_KRT_QUICKACK EA_CODE(EAP_KRT, 0x2f) /* Bits of EA_KRT_LOCK, also based on RTAX_* constants */ #define EA_KRT_LOCK_MTU EA_KRT_LOCK | EA_BIT(0x2) #define EA_KRT_LOCK_WINDOW EA_KRT_LOCK | EA_BIT(0x3) #define EA_KRT_LOCK_RTT EA_KRT_LOCK | EA_BIT(0x4) #define EA_KRT_LOCK_RTTVAR EA_KRT_LOCK | EA_BIT(0x5) #define EA_KRT_LOCK_SSTHRESH EA_KRT_LOCK | EA_BIT(0x6) #define EA_KRT_LOCK_CWND EA_KRT_LOCK | EA_BIT(0x7) #define EA_KRT_LOCK_ADVMSS EA_KRT_LOCK | EA_BIT(0x8) #define EA_KRT_LOCK_REORDERING EA_KRT_LOCK | EA_BIT(0x9) #define EA_KRT_LOCK_HOPLIMIT EA_KRT_LOCK | EA_BIT(0xa) // define EA_KRT_LOCK_INITCWND EA_KRT_LOCK | EA_BIT(0xb) // define EA_KRT_LOCK_FEATURES EA_KRT_LOCK | EA_BIT(0xc) #define EA_KRT_LOCK_RTO_MIN EA_KRT_LOCK | EA_BIT(0xd) // define EA_KRT_LOCK_INITRWND EA_KRT_LOCK | EA_BIT(0xe) /* Bits of EA_KRT_FEATURES, based on RTAX_FEATURE_* constants */ #define EA_KRT_FEATURE_ECN EA_KRT_FEATURES | EA_BIT(0x0) // define EA_KRT_FEATURE_SACK EA_KRT_FEATURES | EA_BIT(0x1) // define EA_KRT_FEATURE_TSTAMP EA_KRT_FEATURES | EA_BIT(0x2) #define EA_KRT_FEATURE_ALLFRAG EA_KRT_FEATURES | EA_BIT(0x3) struct krt_params { u32 table_id; /* Kernel table ID we sync with */ u32 metric; /* Kernel metric used for all routes */ }; struct krt_state { struct krt_proto *hash_next; }; static inline void krt_sys_init(struct krt_proto *p UNUSED) { } static inline void krt_sys_preconfig(struct config *c UNUSED) { } static inline void krt_sys_postconfig(struct krt_config *x UNUSED) { } #endif