Differential D21961 Diff 66308 sys/netgraph/ng_bridge.h

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sys/netgraph/ng_bridge.h

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	* Author: Archie Cobbs <archie@freebsd.org>			* Author: Archie Cobbs <archie@freebsd.org>
	*			*
	* $FreeBSD$			* $FreeBSD$
	*/			*/

	#ifndef _NETGRAPH_NG_BRIDGE_H_			#ifndef _NETGRAPH_NG_BRIDGE_H_
	#define _NETGRAPH_NG_BRIDGE_H_			#define _NETGRAPH_NG_BRIDGE_H_

				/*
				* Support the older ABI based on fixed size tables
				* ABI is deprecated, to be removed in releases > 12
				* Please note: There is no API support!
				* You can't create new messages using the old API
				* But messages conforming the old ABI are understood
				*/
				#define NGM_BRIDGE_TABLE_ABI

	/* Node type name and magic cookie */			/* Node type name and magic cookie */
	#define NG_BRIDGE_NODE_TYPE "bridge"			#define NG_BRIDGE_NODE_TYPE "bridge"
	#define NGM_BRIDGE_COOKIE 1569321993			#define NGM_BRIDGE_COOKIE 1569321993

				#ifdef NGM_BRIDGE_TABLE_ABI
				#define NGM_BRIDGE_COOKIE_TBL 967239368
				#define NG_BRIDGE_MAX_LINKS 32
				#endif /* NGM_BRIDGE_TABLE_ABI */

	/* Hook names */			/* Hook names */
	#define NG_BRIDGE_HOOK_LINK_PREFIX "link" /* append decimal integer */			#define NG_BRIDGE_HOOK_LINK_PREFIX "link" /* append decimal integer */
	#define NG_BRIDGE_HOOK_LINK_FMT "link%d" /* for use with printf(3) */			#define NG_BRIDGE_HOOK_LINK_FMT "link%d" /* for use with printf(3) */

	/* Node configuration structure */			/* Node configuration structure */
	struct ng_bridge_config {			struct ng_bridge_config {
	u_char debugLevel; /* debug level */			u_char debugLevel; /* debug level */
	u_int32_t loopTimeout; /* link loopback mute time */			u_int32_t loopTimeout; /* link loopback mute time */
	u_int32_t maxStaleness; /* max host age before nuking */			u_int32_t maxStaleness; /* max host age before nuking */
	u_int32_t minStableAge; /* min time for a stable host */			u_int32_t minStableAge; /* min time for a stable host */
	};			};

				#ifdef NGM_BRIDGE_TABLE_ABI
				struct ng_bridge_config_tbl {
				u_char ipfw[NG_BRIDGE_MAX_LINKS];
				struct ng_bridge_config cfg;
				};
				#endif /* NGM_BRIDGE_TABLE_ABI */

	/* Keep this in sync with the above structure definition */			/* Keep this in sync with the above structure definition */
	#define NG_BRIDGE_CONFIG_TYPE_INFO { \			#define NG_BRIDGE_CONFIG_TYPE_INFO { \
	{ "debugLevel", &ng_parse_uint8_type }, \			{ "debugLevel", &ng_parse_uint8_type }, \
	{ "loopTimeout", &ng_parse_uint32_type }, \			{ "loopTimeout", &ng_parse_uint32_type }, \
	{ "maxStaleness", &ng_parse_uint32_type }, \			{ "maxStaleness", &ng_parse_uint32_type }, \
	{ "minStableAge", &ng_parse_uint32_type }, \			{ "minStableAge", &ng_parse_uint32_type }, \
	{ NULL } \			{ NULL } \
	}			}
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	/* Structure describing a single host */			/* Structure describing a single host */
	struct ng_bridge_host {			struct ng_bridge_host {
	u_char addr[6]; /* ethernet address */			u_char addr[6]; /* ethernet address */
	link_p link; /* link where addr can be found */			link_p link; /* link where addr can be found */
	u_int16_t age; /* seconds ago entry was created */			u_int16_t age; /* seconds ago entry was created */
	u_int16_t staleness; /* seconds ago host last heard from */			u_int16_t staleness; /* seconds ago host last heard from */
	};			};

				#ifdef NGM_BRIDGE_TABLE_ABI
				struct ng_bridge_host_tbl {
				u_char addr[6]; /* ethernet address */
				u_int16_t linkNum; /* link where addr can be found */
				u_int16_t age; /* seconds ago entry was created */
				u_int16_t staleness; /* seconds ago host last heard from */
				};
				#endif /* NGM_BRIDGE_TABLE_ABI */

	/* external representation of the host */			/* external representation of the host */
	struct ng_bridge_hostent {			struct ng_bridge_hostent {
	u_char addr[6]; /* ethernet address */			u_char addr[6]; /* ethernet address */
	char hook[NG_HOOKSIZ]; /* link where addr can be found */			char hook[NG_HOOKSIZ]; /* link where addr can be found */
	u_int16_t age; /* seconds ago entry was created */			u_int16_t age; /* seconds ago entry was created */
	u_int16_t staleness; /* seconds ago host last heard from */			u_int16_t staleness; /* seconds ago host last heard from */
	};			};

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	};			};

	/* Keep this in sync with the above structure definition */			/* Keep this in sync with the above structure definition */
	#define NG_BRIDGE_HOST_ARY_TYPE_INFO(harytype) { \			#define NG_BRIDGE_HOST_ARY_TYPE_INFO(harytype) { \
	{ "numHosts", &ng_parse_uint32_type }, \			{ "numHosts", &ng_parse_uint32_type }, \
	{ "hosts", (harytype) }, \			{ "hosts", (harytype) }, \
	{ NULL } \			{ NULL } \
	}			}

				#ifdef NGM_BRIDGE_TABLE_ABI
				struct ng_bridge_hostent_tbl {
				u_char addr[6]; /* ethernet address */
				u_int16_t linkNum; /* link where addr can be found */
				u_int16_t age; /* seconds ago entry was created */
				u_int16_t staleness; /* seconds ago host last heard from */
				};
				struct ng_bridge_host_tbl_ary {
				u_int32_t numHosts;
				struct ng_bridge_hostent_tbl hosts[];
				};
				#endif /* NGM_BRIDGE_TABLE_ABI */

	/* Netgraph control messages */			/* Netgraph control messages */
	enum {			enum {
	NGM_BRIDGE_SET_CONFIG = 1, /* set node configuration */			NGM_BRIDGE_SET_CONFIG = 1, /* set node configuration */
	NGM_BRIDGE_GET_CONFIG, /* get node configuration */			NGM_BRIDGE_GET_CONFIG, /* get node configuration */
	NGM_BRIDGE_RESET, /* reset (forget) all information */			NGM_BRIDGE_RESET, /* reset (forget) all information */
	NGM_BRIDGE_GET_STATS, /* get link stats */			NGM_BRIDGE_GET_STATS, /* get link stats */
	NGM_BRIDGE_CLR_STATS, /* clear link stats */			NGM_BRIDGE_CLR_STATS, /* clear link stats */
	NGM_BRIDGE_GETCLR_STATS, /* atomically get & clear link stats */			NGM_BRIDGE_GETCLR_STATS, /* atomically get & clear link stats */
	NGM_BRIDGE_GET_TABLE, /* get link table */			NGM_BRIDGE_GET_TABLE, /* get link table */
	NGM_BRIDGE_SET_PERSISTENT, /* set persistent mode */			NGM_BRIDGE_SET_PERSISTENT, /* set persistent mode */
	};			};

	#endif /* _NETGRAPH_NG_BRIDGE_H_ */			#endif /* _NETGRAPH_NG_BRIDGE_H_ */