Differential D6388 Diff 16941 head/sys/netinet/ip_dummynet.h

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head/sys/netinet/ip_dummynet.h

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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF		* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.		* SUCH DAMAGE.
*		*
* $FreeBSD$		* $FreeBSD$
*/		*/

#ifndef _IP_DUMMYNET_H		#ifndef _IP_DUMMYNET_H
#define _IP_DUMMYNET_H		#define _IP_DUMMYNET_H
		#define NEW_AQM
/*		/*
* Definition of the kernel-userland API for dummynet.		* Definition of the kernel-userland API for dummynet.
*		*
* Setsockopt() and getsockopt() pass a batch of objects, each		* Setsockopt() and getsockopt() pass a batch of objects, each
* of them starting with a "struct dn_id" which should fully identify		* of them starting with a "struct dn_id" which should fully identify
* the object and its relation with others in the sequence.		* the object and its relation with others in the sequence.
* The first object in each request should have		* The first object in each request should have
* type= DN_CMD_*, id = DN_API_VERSION.		* type= DN_CMD_*, id = DN_API_VERSION.
Show All 39 Lines	enum {
/* for compatibility with FreeBSD 7.2/8 */		/* for compatibility with FreeBSD 7.2/8 */
DN_COMPAT_PIPE,		DN_COMPAT_PIPE,
DN_COMPAT_QUEUE,		DN_COMPAT_QUEUE,
DN_GET_COMPAT,		DN_GET_COMPAT,

/* special commands for emulation of sysctl variables */		/* special commands for emulation of sysctl variables */
DN_SYSCTL_GET,		DN_SYSCTL_GET,
DN_SYSCTL_SET,		DN_SYSCTL_SET,
		#ifdef NEW_AQM
		/* subtypes used for setting/getting extra parameters.
		* these subtypes used with IP_DUMMYNET3 command (get)
		* and DN_TEXT (set). */
		DN_AQM_PARAMS, /* AQM extra params */
		DN_SCH_PARAMS, /* scheduler extra params */
		#endif
DN_LAST,		DN_LAST,
};		};

enum { /* subtype for schedulers, flowset and the like */		enum { /* subtype for schedulers, flowset and the like */
DN_SCHED_UNKNOWN = 0,		DN_SCHED_UNKNOWN = 0,
DN_SCHED_FIFO = 1,		DN_SCHED_FIFO = 1,
DN_SCHED_WF2QP = 2,		DN_SCHED_WF2QP = 2,
/* others are in individual modules */		/* others are in individual modules */
};		};

enum { /* user flags */		enum { /* user flags */
DN_HAVE_MASK = 0x0001, /* fs or sched has a mask */		DN_HAVE_MASK = 0x0001, /* fs or sched has a mask */
DN_NOERROR = 0x0002, /* do not report errors */		DN_NOERROR = 0x0002, /* do not report errors */
DN_QHT_HASH = 0x0004, /* qht is a hash table */		DN_QHT_HASH = 0x0004, /* qht is a hash table */
DN_QSIZE_BYTES = 0x0008, /* queue size is in bytes */		DN_QSIZE_BYTES = 0x0008, /* queue size is in bytes */
DN_HAS_PROFILE = 0x0010, /* a link has a profile */		DN_HAS_PROFILE = 0x0010, /* a link has a profile */
DN_IS_RED = 0x0020,		DN_IS_RED = 0x0020,
DN_IS_GENTLE_RED= 0x0040,		DN_IS_GENTLE_RED= 0x0040,
DN_IS_ECN = 0x0080,		DN_IS_ECN = 0x0080,
		#ifdef NEW_AQM
		DN_IS_AQM = 0x0100, /* AQMs: e.g Codel & PIE */
		#endif
DN_PIPE_CMD = 0x1000, /* pipe config... */		DN_PIPE_CMD = 0x1000, /* pipe config... */
};		};

/*		/*
* link template.		* link template.
*/		*/
struct dn_link {		struct dn_link {
struct dn_id oid;		struct dn_id oid;
▲ Show 20 Lines • Show All 89 Lines • ▼ Show 20 Lines	#define ED_MAX_NAME_LEN 32
char name[ED_MAX_NAME_LEN];		char name[ED_MAX_NAME_LEN];
int link_nr;		int link_nr;
int loss_level;		int loss_level;
int bandwidth; // XXX use link bandwidth?		int bandwidth; // XXX use link bandwidth?
int samples_no; /* actual len of samples[] */		int samples_no; /* actual len of samples[] */
int samples[ED_MAX_SAMPLES_NO]; /* may be shorter */		int samples[ED_MAX_SAMPLES_NO]; /* may be shorter */
};		};

		#ifdef NEW_AQM
		/* Extra parameters for AQM and scheduler.
		* This struct is used to pass and retrieve parameters (configurations)
		* to/from AQM and Scheduler.
		*/
		struct dn_extra_parms {
		struct dn_id oid;
		char name[16];
		uint32_t nr;
		#define DN_MAX_EXTRA_PARM 10
		int64_t par[DN_MAX_EXTRA_PARM];
		};
		#endif

/*		/*
* Overall structure of dummynet		* Overall structure of dummynet

In dummynet, packets are selected with the firewall rules, and passed		In dummynet, packets are selected with the firewall rules, and passed
to two different objects: PIPE or QUEUE (bad name).		to two different objects: PIPE or QUEUE (bad name).

A QUEUE defines a classifier, which groups packets into flows		A QUEUE defines a classifier, which groups packets into flows
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