Differential D39269 Diff 119516 sys/netlink/netlink_ctl.h

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sys/netlink/netlink_ctl.h

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	#ifndef _NETLINK_NETLINK_CTL_H_			#ifndef _NETLINK_NETLINK_CTL_H_
	#define _NETLINK_NETLINK_CTL_H_			#define _NETLINK_NETLINK_CTL_H_

	#ifdef _KERNEL			#ifdef _KERNEL
	/*			/*
	* This file provides headers for the public KPI of the netlink			* This file provides headers for the public KPI of the netlink
	* subsystem			* subsystem
	*/			*/
				#include <sys/_eventhandler.h>

	MALLOC_DECLARE(M_NETLINK);			MALLOC_DECLARE(M_NETLINK);

	/*			/*
	* Macro for handling attribute TLVs			* Macro for handling attribute TLVs
	*/			*/
	#define _roundup2(x, y) (((x)+((y)-1))&(~((y)-1)))			#define _roundup2(x, y) (((x)+((y)-1))&(~((y)-1)))

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	bool netlink_register_proto(int proto, const char *proto_name, nl_handler_f handler);			bool netlink_register_proto(int proto, const char *proto_name, nl_handler_f handler);
	bool netlink_unregister_proto(int proto);			bool netlink_unregister_proto(int proto);

	/* Common helpers */			/* Common helpers */
	bool nl_has_listeners(int netlink_family, uint32_t groups_mask);			bool nl_has_listeners(int netlink_family, uint32_t groups_mask);
	bool nlp_has_priv(struct nlpcb *nlp, int priv);			bool nlp_has_priv(struct nlpcb *nlp, int priv);
	struct ucred nlp_get_cred(struct nlpcb nlp);			struct ucred nlp_get_cred(struct nlpcb nlp);
				uint32_t nlp_get_pid(const struct nlpcb *nlp);
	bool nlp_unconstrained_vnet(const struct nlpcb *nlp);			bool nlp_unconstrained_vnet(const struct nlpcb *nlp);

	/* netlink_generic.c */			/* netlink_generic.c */
	struct genl_cmd {			struct genl_cmd {
	const char *cmd_name;			const char *cmd_name;
	nl_handler_f cmd_cb;			nl_handler_f cmd_cb;
	uint32_t cmd_flags;			uint32_t cmd_flags;
	uint32_t cmd_priv;			uint32_t cmd_priv;
	uint32_t cmd_num;			uint32_t cmd_num;
	};			};

	uint32_t genl_register_family(const char *family_name, size_t hdrsize,			uint32_t genl_register_family(const char *family_name, size_t hdrsize,
	int family_version, int max_attr_idx);			int family_version, int max_attr_idx);
	bool genl_unregister_family(const char *family_name);			bool genl_unregister_family(const char *family_name);
	bool genl_register_cmds(const char family_name, const struct genl_cmd cmds,			bool genl_register_cmds(const char family_name, const struct genl_cmd cmds,
	int count);			int count);
	uint32_t genl_register_group(const char family_name, const char group_name);			uint32_t genl_register_group(const char family_name, const char group_name);

	/* Debug */			struct genl_family;
	uint32_t nlp_get_pid(const struct nlpcb *nlp);			const char genl_get_family_name(const struct genl_family gf);
				uint32_t genl_get_family_id(const struct genl_family *gf);

				typedef void (genl_family_event_handler_t)(void arg, const struct genl_family *gf, int action);
				EVENTHANDLER_DECLARE(genl_family_event, genl_family_event_handler_t);

	#endif			#endif
	#endif			#endif