[thirdparty/bird.git] / sysdep / linux / krt-sys.h

/*
 *	BIRD -- Linux Kernel Netlink Route Syncer
 *
 *	(c) 1998--2000 Martin Mares <mj@ucw.cz>
 *
 *	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) { 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
Commit	Line	Data
95616c82 OZ	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
c6964c30	18	struct kif_state {
95616c82 OZ	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
e237b28a OZ	30	static inline struct ifa * kif_get_primary_ip(struct iface *i) { return NULL; }
e237b28a OZ	31
95616c82 OZ	32
	33	/* Kernel routes */
	34
f9f2e280 OZ	35	#define KRT_ALLOW_MERGE_PATHS 1
f9f2e280 OZ	36
9fdf9d29 OZ	37	#define EA_KRT_PREFSRC EA_CODE(EAP_KRT, 0x10)
9fdf9d29 OZ	38	#define EA_KRT_REALM EA_CODE(EAP_KRT, 0x11)
6e75d0d2	39	#define EA_KRT_SCOPE EA_CODE(EAP_KRT, 0x12)
9fdf9d29 OZ	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
95616c82	90	struct krt_params {
9ddbfbdd	91	u32 table_id; /* Kernel table ID we sync with */
4adcb9df	92	u32 metric; /* Kernel metric used for all routes */
95616c82 OZ	93	};
95616c82 OZ	94
c6964c30	95	struct krt_state {
9ddbfbdd	96	struct krt_proto *hash_next;
95616c82 OZ	97	};
	98
	99
	100	static inline void krt_sys_init(struct krt_proto *p UNUSED) { }
9ddbfbdd JMM	101	static inline void krt_sys_preconfig(struct config *c UNUSED) { }
9ddbfbdd JMM	102	static inline void krt_sys_postconfig(struct krt_config *x UNUSED) { }
95616c82 OZ	103
	104
	105	#endif