Differential D26449 Diff 77092 sys/net/route.h

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sys/net/route.h

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* by a protocol slowtimo counter.		* by a protocol slowtimo counter.
*/		*/
#define RTM_RTTUNIT 1000000 /* units for rtt, rttvar, as units per sec */		#define RTM_RTTUNIT 1000000 /* units for rtt, rttvar, as units per sec */
#define RTTTOPRHZ(r) ((r) / (RTM_RTTUNIT / PR_SLOWHZ))		#define RTTTOPRHZ(r) ((r) / (RTM_RTTUNIT / PR_SLOWHZ))

/* lle state is exported in rmx_state rt_metrics field */		/* lle state is exported in rmx_state rt_metrics field */
#define rmx_state rmx_weight		#define rmx_state rmx_weight

		/* default route weight */
		#define RT_DEFAULT_WEIGHT 1
		#define RT_MAX_WEIGHT 16777215 /* 3 bytes */

/*		/*
* Keep a generation count of routing table, incremented on route addition,		* Keep a generation count of routing table, incremented on route addition,
* so we can invalidate caches. This is accessed without a lock, as precision		* so we can invalidate caches. This is accessed without a lock, as precision
* is not required.		* is not required.
*/		*/
typedef volatile u_int rt_gen_t; /* tree generation (for adds) */		typedef volatile u_int rt_gen_t; /* tree generation (for adds) */
#define RT_GEN(fibnum, af) rt_tables_get_gen(fibnum, af)		#define RT_GEN(fibnum, af) rt_tables_get_gen(fibnum, af)

#define RT_DEFAULT_FIB 0 /* Explicitly mark fib=0 restricted cases */		#define RT_DEFAULT_FIB 0 /* Explicitly mark fib=0 restricted cases */
#define RT_ALL_FIBS -1 /* Announce event for every fib */		#define RT_ALL_FIBS -1 /* Announce event for every fib */
#ifdef _KERNEL		#ifdef _KERNEL
VNET_DECLARE(uint32_t, _rt_numfibs); /* number of existing route tables */		VNET_DECLARE(uint32_t, _rt_numfibs); /* number of existing route tables */
#define V_rt_numfibs VNET(_rt_numfibs)		#define V_rt_numfibs VNET(_rt_numfibs)
/* temporary compat arg */		/* temporary compat arg */
#define rt_numfibs V_rt_numfibs		#define rt_numfibs V_rt_numfibs
VNET_DECLARE(u_int, rt_add_addr_allfibs); /* Announce interfaces to all fibs */		VNET_DECLARE(u_int, rt_add_addr_allfibs); /* Announce interfaces to all fibs */
#define V_rt_add_addr_allfibs VNET(rt_add_addr_allfibs)		#define V_rt_add_addr_allfibs VNET(rt_add_addr_allfibs)

		/* Calculate flowid for locally-originated packets */
		#define V_fib_hash_outbound VNET(fib_hash_outbound)
		VNET_DECLARE(u_int, fib_hash_outbound);
#endif		#endif

/*		/*
* We distinguish between routes to hosts and routes to networks,		* We distinguish between routes to hosts and routes to networks,
* preferring the former if available. For each route we infer		* preferring the former if available. For each route we infer
* the interface to use from the gateway address supplied when		* the interface to use from the gateway address supplied when
* the route was entered. Routes that forward packets through		* the route was entered. Routes that forward packets through
* gateways are marked so that the output routines know to address the		* gateways are marked so that the output routines know to address the
Show All 37 Lines	#define RTF_FMASK \
(RTF_PROTO1 \| RTF_PROTO2 \| RTF_PROTO3 \| RTF_BLACKHOLE \| \		(RTF_PROTO1 \| RTF_PROTO2 \| RTF_PROTO3 \| RTF_BLACKHOLE \| \
RTF_REJECT \| RTF_STATIC \| RTF_STICKY)		RTF_REJECT \| RTF_STATIC \| RTF_STICKY)

/*		/*
* fib_ nexthop API flags.		* fib_ nexthop API flags.
*/		*/

/* Consumer-visible nexthop info flags */		/* Consumer-visible nexthop info flags */
		#define NHF_MULTIPATH 0x0008 /* Nexhop is a nexthop group */
#define NHF_REJECT 0x0010 /* RTF_REJECT */		#define NHF_REJECT 0x0010 /* RTF_REJECT */
#define NHF_BLACKHOLE 0x0020 /* RTF_BLACKHOLE */		#define NHF_BLACKHOLE 0x0020 /* RTF_BLACKHOLE */
#define NHF_REDIRECT 0x0040 /* RTF_DYNAMIC\|RTF_MODIFIED */		#define NHF_REDIRECT 0x0040 /* RTF_DYNAMIC\|RTF_MODIFIED */
#define NHF_DEFAULT 0x0080 /* Default route */		#define NHF_DEFAULT 0x0080 /* Default route */
#define NHF_BROADCAST 0x0100 /* RTF_BROADCAST */		#define NHF_BROADCAST 0x0100 /* RTF_BROADCAST */
#define NHF_GATEWAY 0x0200 /* RTF_GATEWAY */		#define NHF_GATEWAY 0x0200 /* RTF_GATEWAY */
#define NHF_HOST 0x0400 /* RTF_HOST */		#define NHF_HOST 0x0400 /* RTF_HOST */

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struct rtstat {		struct rtstat {
uint64_t rts_badredirect; /* bogus redirect calls */		uint64_t rts_badredirect; /* bogus redirect calls */
uint64_t rts_dynamic; /* routes created by redirects */		uint64_t rts_dynamic; /* routes created by redirects */
uint64_t rts_newgateway; /* routes modified by redirects */		uint64_t rts_newgateway; /* routes modified by redirects */
uint64_t rts_unreach; /* lookups which failed */		uint64_t rts_unreach; /* lookups which failed */
uint64_t rts_wildcard; /* lookups satisfied by a wildcard */		uint64_t rts_wildcard; /* lookups satisfied by a wildcard */
uint64_t rts_nh_idx_alloc_failure; /* nexthop index alloc failure*/		uint64_t rts_nh_idx_alloc_failure; /* nexthop index alloc failure*/
uint64_t rts_nh_alloc_failure; /* nexthop allocation failure*/		uint64_t rts_nh_alloc_failure; /* nexthop allocation failure*/
		uint64_t rts_add_failure; /* route addition failure */
		uint64_t rts_add_retry; /* route addition failure */
		glebiusUnsubmitted Done Inline Actions Looks like three descriptions in comments need to be fixed. glebius: Looks like three descriptions in comments need to be fixed.
		uint64_t rts_del_failure; /* route addition failure */
		uint64_t rts_del_retry; /* route addition failure */
};		};

/*		/*
* Structures for routing messages.		* Structures for routing messages.
*/		*/
struct rt_msghdr {		struct rt_msghdr {
u_short rtm_msglen; /* to skip over non-understood messages */		u_short rtm_msglen; /* to skip over non-understood messages */
u_char rtm_version; /* future binary compatibility */		u_char rtm_version; /* future binary compatibility */
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