Differential D3272 Diff 7738 sys/net/altq/altq_fairq.h

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sys/net/altq/altq_fairq.h

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	* $FreeBSD$			* $FreeBSD$
	*/			*/

	#ifndef _ALTQ_ALTQ_FAIRQ_H_			#ifndef _ALTQ_ALTQ_FAIRQ_H_
	#define _ALTQ_ALTQ_FAIRQ_H_			#define _ALTQ_ALTQ_FAIRQ_H_

	#include <net/altq/altq.h>			#include <net/altq/altq.h>
	#include <net/altq/altq_classq.h>			#include <net/altq/altq_classq.h>
				#include <net/altq/altq_codel.h>
	#include <net/altq/altq_red.h>			#include <net/altq/altq_red.h>
	#include <net/altq/altq_rio.h>			#include <net/altq/altq_rio.h>
	#include <net/altq/altq_rmclass.h>			#include <net/altq/altq_rmclass.h>

	#define FAIRQ_MAX_BUCKETS 2048 /* maximum number of sorting buckets */			#define FAIRQ_MAX_BUCKETS 2048 /* maximum number of sorting buckets */
	#define FAIRQ_MAXPRI RM_MAXPRIO			#define FAIRQ_MAXPRI RM_MAXPRIO
	#define FAIRQ_BITMAP_WIDTH (sizeof(fairq_bitmap_t)*8)			#define FAIRQ_BITMAP_WIDTH (sizeof(fairq_bitmap_t)*8)
	#define FAIRQ_BITMAP_MASK (FAIRQ_BITMAP_WIDTH - 1)			#define FAIRQ_BITMAP_MASK (FAIRQ_BITMAP_WIDTH - 1)

	/* fairq class flags */			/* fairq class flags */
	#define FARF_RED 0x0001 /* use RED */			#define FARF_RED 0x0001 /* use RED */
	#define FARF_ECN 0x0002 /* use RED/ECN */			#define FARF_ECN 0x0002 /* use RED/ECN */
	#define FARF_RIO 0x0004 /* use RIO */			#define FARF_RIO 0x0004 /* use RIO */
				#define FARF_CODEL 0x0008 /* use CoDel */
	#define FARF_CLEARDSCP 0x0010 /* clear diffserv codepoint */			#define FARF_CLEARDSCP 0x0010 /* clear diffserv codepoint */
	#define FARF_DEFAULTCLASS 0x1000 /* default class */			#define FARF_DEFAULTCLASS 0x1000 /* default class */

	#define FARF_HAS_PACKETS 0x2000 /* might have queued packets */			#define FARF_HAS_PACKETS 0x2000 /* might have queued packets */

	#define FARF_USERFLAGS (FARF_RED\|FARF_ECN\|FARF_RIO\|FARF_CLEARDSCP\| \			#define FARF_USERFLAGS (FARF_RED\|FARF_ECN\|FARF_RIO\|FARF_CLEARDSCP\| \
	FARF_DEFAULTCLASS)			FARF_DEFAULTCLASS)

	/* special class handles */			/* special class handles */
	#define FAIRQ_NULLCLASS_HANDLE 0			#define FAIRQ_NULLCLASS_HANDLE 0

	typedef u_int fairq_bitmap_t;			typedef u_int fairq_bitmap_t;

	struct fairq_classstats {			struct fairq_classstats {
	uint32_t class_handle;			uint32_t class_handle;

	u_int qlength;			u_int qlength;
	u_int qlimit;			u_int qlimit;
	struct pktcntr xmit_cnt; /* transmitted packet counter */			struct pktcntr xmit_cnt; /* transmitted packet counter */
	struct pktcntr drop_cnt; /* dropped packet counter */			struct pktcntr drop_cnt; /* dropped packet counter */

	/* red and rio related info */			/* codel, red and rio related info */
	int qtype;			int qtype;
	struct redstats red[3]; /* rio has 3 red stats */			struct redstats red[3]; /* rio has 3 red stats */
				struct codel_stats codel;
	};			};

	#ifdef _KERNEL			#ifdef _KERNEL

	typedef struct fairq_bucket {			typedef struct fairq_bucket {
	struct fairq_bucket next; / circular list */			struct fairq_bucket next; / circular list */
	struct fairq_bucket prev; / circular list */			struct fairq_bucket prev; / circular list */
	class_queue_t queue; /* the actual queue */			class_queue_t queue; /* the actual queue */
	uint64_t bw_bytes; /* statistics used to calculate bw */			uint64_t bw_bytes; /* statistics used to calculate bw */
	uint64_t bw_delta; /* statistics used to calculate bw */			uint64_t bw_delta; /* statistics used to calculate bw */
	uint64_t last_time;			uint64_t last_time;
	int in_use;			int in_use;
	} fairq_bucket_t;			} fairq_bucket_t;

	struct fairq_class {			struct fairq_class {
	uint32_t cl_handle; /* class handle */			uint32_t cl_handle; /* class handle */
	u_int cl_nbuckets; /* (power of 2) */			u_int cl_nbuckets; /* (power of 2) */
	u_int cl_nbucket_mask; /* bucket mask */			u_int cl_nbucket_mask; /* bucket mask */
	fairq_bucket_t *cl_buckets;			fairq_bucket_t *cl_buckets;
	fairq_bucket_t cl_head; / head of circular bucket list */			fairq_bucket_t cl_head; / head of circular bucket list */
	fairq_bucket_t *cl_polled;			fairq_bucket_t *cl_polled;
				union {
	struct red cl_red; / RED state */			struct red cl_red; / RED state */
				struct codel cl_codel; / CoDel state */
				} cl_aqm;
				#define cl_red cl_aqm.cl_red
				#define cl_codel cl_aqm.cl_codel
	u_int cl_hogs_m1;			u_int cl_hogs_m1;
	u_int cl_lssc_m1;			u_int cl_lssc_m1;
	u_int cl_bandwidth;			u_int cl_bandwidth;
	uint64_t cl_bw_bytes;			uint64_t cl_bw_bytes;
	uint64_t cl_bw_delta;			uint64_t cl_bw_delta;
	uint64_t cl_last_time;			uint64_t cl_last_time;
	int cl_qtype; /* rollup */			int cl_qtype; /* rollup */
	int cl_qlimit;			int cl_qlimit;
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