sysdep/linux/krt-sys.h

   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) { 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
  40
  41 #define KRT_METRICS_MAX         0x10    /* RTAX_QUICKACK+1 */
  42 #define KRT_METRICS_OFFSET      0x20    /* Offset of EA_KRT_* vs RTAX_* */
  43
  44 #define KRT_FEATURES_MAX        4
  45
  46 /*
  47  * Following attributes are parts of RTA_METRICS kernel route attribute, their
  48  * ids must be consistent with their RTAX_* constants (+ KRT_METRICS_OFFSET)
  49  */
  50 #define EA_KRT_METRICS          EA_CODE(EAP_KRT, 0x20)  /* Dummy one */
  51 #define EA_KRT_LOCK             EA_CODE(EAP_KRT, 0x21)
  52 #define EA_KRT_MTU              EA_CODE(EAP_KRT, 0x22)
  53 #define EA_KRT_WINDOW           EA_CODE(EAP_KRT, 0x23)
  54 #define EA_KRT_RTT              EA_CODE(EAP_KRT, 0x24)
  55 #define EA_KRT_RTTVAR           EA_CODE(EAP_KRT, 0x25)
  56 #define EA_KRT_SSTRESH          EA_CODE(EAP_KRT, 0x26)
  57 #define EA_KRT_CWND             EA_CODE(EAP_KRT, 0x27)
  58 #define EA_KRT_ADVMSS           EA_CODE(EAP_KRT, 0x28)
  59 #define EA_KRT_REORDERING       EA_CODE(EAP_KRT, 0x29)
  60 #define EA_KRT_HOPLIMIT         EA_CODE(EAP_KRT, 0x2a)
  61 #define EA_KRT_INITCWND         EA_CODE(EAP_KRT, 0x2b)
  62 #define EA_KRT_FEATURES         EA_CODE(EAP_KRT, 0x2c)
  63 #define EA_KRT_RTO_MIN          EA_CODE(EAP_KRT, 0x2d)
  64 #define EA_KRT_INITRWND         EA_CODE(EAP_KRT, 0x2e)
  65 #define EA_KRT_QUICKACK         EA_CODE(EAP_KRT, 0x2f)
  66
  67 /* Bits of EA_KRT_LOCK, also based on RTAX_* constants */
  68 #define EA_KRT_LOCK_MTU         EA_KRT_LOCK | EA_BIT(0x2)
  69 #define EA_KRT_LOCK_WINDOW      EA_KRT_LOCK | EA_BIT(0x3)
  70 #define EA_KRT_LOCK_RTT         EA_KRT_LOCK | EA_BIT(0x4)
  71 #define EA_KRT_LOCK_RTTVAR      EA_KRT_LOCK | EA_BIT(0x5)
  72 #define EA_KRT_LOCK_SSTHRESH    EA_KRT_LOCK | EA_BIT(0x6)
  73 #define EA_KRT_LOCK_CWND        EA_KRT_LOCK | EA_BIT(0x7)
  74 #define EA_KRT_LOCK_ADVMSS      EA_KRT_LOCK | EA_BIT(0x8)
  75 #define EA_KRT_LOCK_REORDERING  EA_KRT_LOCK | EA_BIT(0x9)
  76 #define EA_KRT_LOCK_HOPLIMIT    EA_KRT_LOCK | EA_BIT(0xa)
  77 // define EA_KRT_LOCK_INITCWND  EA_KRT_LOCK | EA_BIT(0xb)
  78 // define EA_KRT_LOCK_FEATURES  EA_KRT_LOCK | EA_BIT(0xc)
  79 #define EA_KRT_LOCK_RTO_MIN     EA_KRT_LOCK | EA_BIT(0xd)
  80 // define EA_KRT_LOCK_INITRWND  EA_KRT_LOCK | EA_BIT(0xe)
  81
  82 /* Bits of EA_KRT_FEATURES, based on RTAX_FEATURE_* constants */
  83 #define EA_KRT_FEATURE_ECN      EA_KRT_FEATURES | EA_BIT(0x0)
  84 // define EA_KRT_FEATURE_SACK   EA_KRT_FEATURES | EA_BIT(0x1)
  85 // define EA_KRT_FEATURE_TSTAMP EA_KRT_FEATURES | EA_BIT(0x2)
  86 #define EA_KRT_FEATURE_ALLFRAG  EA_KRT_FEATURES | EA_BIT(0x3)
  87
  88
  89 struct krt_params {
  90   u32 table_id;                         /* Kernel table ID we sync with */
  91 };
  92
  93 struct krt_state {
  94   struct krt_proto *hash_next;
  95 };
  96
  97
  98 static inline void krt_sys_init(struct krt_proto *p UNUSED) { }
  99 static inline void krt_sys_preconfig(struct config *c UNUSED) { }
 100 static inline void krt_sys_postconfig(struct krt_config *x UNUSED) { }
 101
 102
 103 #endif