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Since 2.6.19, the netlink API defines RTA_TABLE routing attribute to allow 32-bit routing table IDs. Using this attribute to index routing tables at Linux, instead of 8-bit rtm_table field.
102 lines
3.4 KiB
C
102 lines
3.4 KiB
C
/*
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* BIRD -- Linux Kernel Netlink Route Syncer
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*
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* (c) 1998--2000 Martin Mares <mj@ucw.cz>
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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#ifndef _BIRD_KRT_SYS_H_
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#define _BIRD_KRT_SYS_H_
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/* Kernel interfaces */
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struct kif_params {
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};
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struct kif_state {
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};
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static inline void kif_sys_init(struct kif_proto *p UNUSED) { }
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static inline int kif_sys_reconfigure(struct kif_proto *p UNUSED, struct kif_config *n UNUSED, struct kif_config *o UNUSED) { return 1; }
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static inline void kif_sys_preconfig(struct config *c UNUSED) { }
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static inline void kif_sys_postconfig(struct kif_config *c UNUSED) { }
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static inline void kif_sys_init_config(struct kif_config *c UNUSED) { }
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static inline void kif_sys_copy_config(struct kif_config *d UNUSED, struct kif_config *s UNUSED) { }
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static inline struct ifa * kif_get_primary_ip(struct iface *i) { return NULL; }
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/* Kernel routes */
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#define EA_KRT_PREFSRC EA_CODE(EAP_KRT, 0x10)
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#define EA_KRT_REALM EA_CODE(EAP_KRT, 0x11)
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#define KRT_METRICS_MAX 0x10 /* RTAX_QUICKACK+1 */
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#define KRT_METRICS_OFFSET 0x20 /* Offset of EA_KRT_* vs RTAX_* */
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#define KRT_FEATURES_MAX 4
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/*
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* Following attributes are parts of RTA_METRICS kernel route attribute, their
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* ids must be consistent with their RTAX_* constants (+ KRT_METRICS_OFFSET)
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*/
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#define EA_KRT_METRICS EA_CODE(EAP_KRT, 0x20) /* Dummy one */
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#define EA_KRT_LOCK EA_CODE(EAP_KRT, 0x21)
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#define EA_KRT_MTU EA_CODE(EAP_KRT, 0x22)
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#define EA_KRT_WINDOW EA_CODE(EAP_KRT, 0x23)
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#define EA_KRT_RTT EA_CODE(EAP_KRT, 0x24)
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#define EA_KRT_RTTVAR EA_CODE(EAP_KRT, 0x25)
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#define EA_KRT_SSTRESH EA_CODE(EAP_KRT, 0x26)
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#define EA_KRT_CWND EA_CODE(EAP_KRT, 0x27)
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#define EA_KRT_ADVMSS EA_CODE(EAP_KRT, 0x28)
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#define EA_KRT_REORDERING EA_CODE(EAP_KRT, 0x29)
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#define EA_KRT_HOPLIMIT EA_CODE(EAP_KRT, 0x2a)
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#define EA_KRT_INITCWND EA_CODE(EAP_KRT, 0x2b)
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#define EA_KRT_FEATURES EA_CODE(EAP_KRT, 0x2c)
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#define EA_KRT_RTO_MIN EA_CODE(EAP_KRT, 0x2d)
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#define EA_KRT_INITRWND EA_CODE(EAP_KRT, 0x2e)
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#define EA_KRT_QUICKACK EA_CODE(EAP_KRT, 0x2f)
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/* Bits of EA_KRT_LOCK, also based on RTAX_* constants */
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#define EA_KRT_LOCK_MTU EA_KRT_LOCK | EA_BIT(0x2)
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#define EA_KRT_LOCK_WINDOW EA_KRT_LOCK | EA_BIT(0x3)
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#define EA_KRT_LOCK_RTT EA_KRT_LOCK | EA_BIT(0x4)
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#define EA_KRT_LOCK_RTTVAR EA_KRT_LOCK | EA_BIT(0x5)
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#define EA_KRT_LOCK_SSTHRESH EA_KRT_LOCK | EA_BIT(0x6)
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#define EA_KRT_LOCK_CWND EA_KRT_LOCK | EA_BIT(0x7)
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#define EA_KRT_LOCK_ADVMSS EA_KRT_LOCK | EA_BIT(0x8)
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#define EA_KRT_LOCK_REORDERING EA_KRT_LOCK | EA_BIT(0x9)
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#define EA_KRT_LOCK_HOPLIMIT EA_KRT_LOCK | EA_BIT(0xa)
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// define EA_KRT_LOCK_INITCWND EA_KRT_LOCK | EA_BIT(0xb)
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// define EA_KRT_LOCK_FEATURES EA_KRT_LOCK | EA_BIT(0xc)
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#define EA_KRT_LOCK_RTO_MIN EA_KRT_LOCK | EA_BIT(0xd)
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// define EA_KRT_LOCK_INITRWND EA_KRT_LOCK | EA_BIT(0xe)
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/* Bits of EA_KRT_FEATURES, based on RTAX_FEATURE_* constants */
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#define EA_KRT_FEATURE_ECN EA_KRT_FEATURES | EA_BIT(0x0)
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// define EA_KRT_FEATURE_SACK EA_KRT_FEATURES | EA_BIT(0x1)
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// define EA_KRT_FEATURE_TSTAMP EA_KRT_FEATURES | EA_BIT(0x2)
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#define EA_KRT_FEATURE_ALLFRAG EA_KRT_FEATURES | EA_BIT(0x3)
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struct krt_params {
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u32 table_id; /* Kernel table ID we sync with */
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};
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struct krt_state {
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struct krt_proto *hash_next;
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};
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static inline void krt_sys_init(struct krt_proto *p UNUSED) { }
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static inline void krt_sys_preconfig(struct config *c UNUSED) { }
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static inline void krt_sys_postconfig(struct krt_config *x UNUSED) { }
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#endif
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