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1.1 ! misho 1: /* ! 2: * BIRD -- Linux Kernel Netlink Route Syncer ! 3: * ! 4: * (c) 1998--2000 Martin Mares <mj@ucw.cz> ! 5: * ! 6: * Can be freely distributed and used under the terms of the GNU GPL. ! 7: */ ! 8: ! 9: #ifndef _BIRD_KRT_SYS_H_ ! 10: #define _BIRD_KRT_SYS_H_ ! 11: ! 12: ! 13: /* Kernel interfaces */ ! 14: ! 15: struct kif_params { ! 16: }; ! 17: ! 18: struct kif_state { ! 19: }; ! 20: ! 21: ! 22: static inline void kif_sys_init(struct kif_proto *p UNUSED) { } ! 23: static inline int kif_sys_reconfigure(struct kif_proto *p UNUSED, struct kif_config *n UNUSED, struct kif_config *o UNUSED) { return 1; } ! 24: ! 25: static inline void kif_sys_preconfig(struct config *c UNUSED) { } ! 26: static inline void kif_sys_postconfig(struct kif_config *c UNUSED) { } ! 27: static inline void kif_sys_init_config(struct kif_config *c UNUSED) { } ! 28: static inline void kif_sys_copy_config(struct kif_config *d UNUSED, struct kif_config *s UNUSED) { } ! 29: ! 30: static inline struct ifa * kif_get_primary_ip(struct iface *i UNUSED) { return NULL; } ! 31: ! 32: ! 33: /* Kernel routes */ ! 34: ! 35: #define KRT_ALLOW_MERGE_PATHS 1 ! 36: ! 37: #define EA_KRT_PREFSRC EA_CODE(EAP_KRT, 0x10) ! 38: #define EA_KRT_REALM EA_CODE(EAP_KRT, 0x11) ! 39: #define EA_KRT_SCOPE EA_CODE(EAP_KRT, 0x12) ! 40: ! 41: ! 42: #define KRT_METRICS_MAX 0x10 /* RTAX_QUICKACK+1 */ ! 43: #define KRT_METRICS_OFFSET 0x20 /* Offset of EA_KRT_* vs RTAX_* */ ! 44: ! 45: #define KRT_FEATURES_MAX 4 ! 46: ! 47: /* ! 48: * Following attributes are parts of RTA_METRICS kernel route attribute, their ! 49: * ids must be consistent with their RTAX_* constants (+ KRT_METRICS_OFFSET) ! 50: */ ! 51: #define EA_KRT_METRICS EA_CODE(EAP_KRT, 0x20) /* Dummy one */ ! 52: #define EA_KRT_LOCK EA_CODE(EAP_KRT, 0x21) ! 53: #define EA_KRT_MTU EA_CODE(EAP_KRT, 0x22) ! 54: #define EA_KRT_WINDOW EA_CODE(EAP_KRT, 0x23) ! 55: #define EA_KRT_RTT EA_CODE(EAP_KRT, 0x24) ! 56: #define EA_KRT_RTTVAR EA_CODE(EAP_KRT, 0x25) ! 57: #define EA_KRT_SSTRESH EA_CODE(EAP_KRT, 0x26) ! 58: #define EA_KRT_CWND EA_CODE(EAP_KRT, 0x27) ! 59: #define EA_KRT_ADVMSS EA_CODE(EAP_KRT, 0x28) ! 60: #define EA_KRT_REORDERING EA_CODE(EAP_KRT, 0x29) ! 61: #define EA_KRT_HOPLIMIT EA_CODE(EAP_KRT, 0x2a) ! 62: #define EA_KRT_INITCWND EA_CODE(EAP_KRT, 0x2b) ! 63: #define EA_KRT_FEATURES EA_CODE(EAP_KRT, 0x2c) ! 64: #define EA_KRT_RTO_MIN EA_CODE(EAP_KRT, 0x2d) ! 65: #define EA_KRT_INITRWND EA_CODE(EAP_KRT, 0x2e) ! 66: #define EA_KRT_QUICKACK EA_CODE(EAP_KRT, 0x2f) ! 67: ! 68: /* Bits of EA_KRT_LOCK, also based on RTAX_* constants */ ! 69: #define EA_KRT_LOCK_MTU EA_KRT_LOCK | EA_BIT(0x2) ! 70: #define EA_KRT_LOCK_WINDOW EA_KRT_LOCK | EA_BIT(0x3) ! 71: #define EA_KRT_LOCK_RTT EA_KRT_LOCK | EA_BIT(0x4) ! 72: #define EA_KRT_LOCK_RTTVAR EA_KRT_LOCK | EA_BIT(0x5) ! 73: #define EA_KRT_LOCK_SSTHRESH EA_KRT_LOCK | EA_BIT(0x6) ! 74: #define EA_KRT_LOCK_CWND EA_KRT_LOCK | EA_BIT(0x7) ! 75: #define EA_KRT_LOCK_ADVMSS EA_KRT_LOCK | EA_BIT(0x8) ! 76: #define EA_KRT_LOCK_REORDERING EA_KRT_LOCK | EA_BIT(0x9) ! 77: #define EA_KRT_LOCK_HOPLIMIT EA_KRT_LOCK | EA_BIT(0xa) ! 78: // define EA_KRT_LOCK_INITCWND EA_KRT_LOCK | EA_BIT(0xb) ! 79: // define EA_KRT_LOCK_FEATURES EA_KRT_LOCK | EA_BIT(0xc) ! 80: #define EA_KRT_LOCK_RTO_MIN EA_KRT_LOCK | EA_BIT(0xd) ! 81: // define EA_KRT_LOCK_INITRWND EA_KRT_LOCK | EA_BIT(0xe) ! 82: ! 83: /* Bits of EA_KRT_FEATURES, based on RTAX_FEATURE_* constants */ ! 84: #define EA_KRT_FEATURE_ECN EA_KRT_FEATURES | EA_BIT(0x0) ! 85: // define EA_KRT_FEATURE_SACK EA_KRT_FEATURES | EA_BIT(0x1) ! 86: // define EA_KRT_FEATURE_TSTAMP EA_KRT_FEATURES | EA_BIT(0x2) ! 87: #define EA_KRT_FEATURE_ALLFRAG EA_KRT_FEATURES | EA_BIT(0x3) ! 88: ! 89: ! 90: struct krt_params { ! 91: u32 table_id; /* Kernel table ID we sync with */ ! 92: u32 metric; /* Kernel metric used for all routes */ ! 93: }; ! 94: ! 95: struct krt_state { ! 96: struct krt_proto *hash_next; ! 97: }; ! 98: ! 99: ! 100: static inline void krt_sys_init(struct krt_proto *p UNUSED) { } ! 101: static inline void krt_sys_preconfig(struct config *c UNUSED) { } ! 102: static inline void krt_sys_postconfig(struct krt_config *x UNUSED) { } ! 103: ! 104: ! 105: #endif