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26 * $KAME: altq_priq.h,v 1.7 2003/10/03 05:05:15 kjc Exp $
30 #ifndef _ALTQ_ALTQ_PRIQ_H_
31 #define _ALTQ_ALTQ_PRIQ_H_
33 #include <net/altq/altq.h>
34 #include <net/altq/altq_classq.h>
35 #include <net/altq/altq_codel.h>
36 #include <net/altq/altq_red.h>
37 #include <net/altq/altq_rio.h>
43 #define PRIQ_MAXPRI 16 /* upper limit of the number of priorities */
46 struct priq_interface {
47 char ifname[IFNAMSIZ]; /* interface name (e.g., fxp0) */
48 u_long arg; /* request-specific argument */
51 struct priq_add_class {
52 struct priq_interface iface;
53 int pri; /* priority (0 is the lowest) */
54 int qlimit; /* queue size limit */
55 int flags; /* misc flags (see below) */
57 u_int32_t class_handle; /* return value */
59 #endif /* ALTQ3_COMPAT */
61 /* priq class flags */
62 #define PRCF_RED 0x0001 /* use RED */
63 #define PRCF_ECN 0x0002 /* use RED/ECN */
64 #define PRCF_RIO 0x0004 /* use RIO */
65 #define PRCF_CODEL 0x0008 /* use CoDel */
66 #define PRCF_CLEARDSCP 0x0010 /* clear diffserv codepoint */
67 #define PRCF_DEFAULTCLASS 0x1000 /* default class */
69 /* special class handles */
70 #define PRIQ_NULLCLASS_HANDLE 0
73 struct priq_delete_class {
74 struct priq_interface iface;
75 u_int32_t class_handle;
78 struct priq_modify_class {
79 struct priq_interface iface;
80 u_int32_t class_handle;
86 struct priq_add_filter {
87 struct priq_interface iface;
88 u_int32_t class_handle;
89 struct flow_filter filter;
91 u_long filter_handle; /* return value */
94 struct priq_delete_filter {
95 struct priq_interface iface;
98 #endif /* ALTQ3_COMPAT */
100 struct priq_classstats {
101 u_int32_t class_handle;
106 struct pktcntr xmitcnt; /* transmitted packet counter */
107 struct pktcntr dropcnt; /* dropped packet counter */
109 /* codel, red and rio related info */
111 struct redstats red[3]; /* rio has 3 red stats */
112 struct codel_stats codel;
116 * PRIQ_STATS_VERSION is defined in altq.h to work around issues stemming
117 * from mixing of public-API and internal bits in each scheduler-specific
122 struct priq_class_stats {
123 struct priq_interface iface;
124 int maxpri; /* in/out */
126 struct priq_classstats *stats; /* pointer to stats array */
129 #define PRIQ_IF_ATTACH _IOW('Q', 1, struct priq_interface)
130 #define PRIQ_IF_DETACH _IOW('Q', 2, struct priq_interface)
131 #define PRIQ_ENABLE _IOW('Q', 3, struct priq_interface)
132 #define PRIQ_DISABLE _IOW('Q', 4, struct priq_interface)
133 #define PRIQ_CLEAR _IOW('Q', 5, struct priq_interface)
134 #define PRIQ_ADD_CLASS _IOWR('Q', 7, struct priq_add_class)
135 #define PRIQ_DEL_CLASS _IOW('Q', 8, struct priq_delete_class)
136 #define PRIQ_MOD_CLASS _IOW('Q', 9, struct priq_modify_class)
137 #define PRIQ_ADD_FILTER _IOWR('Q', 10, struct priq_add_filter)
138 #define PRIQ_DEL_FILTER _IOW('Q', 11, struct priq_delete_filter)
139 #define PRIQ_GETSTATS _IOWR('Q', 12, struct priq_class_stats)
141 #endif /* ALTQ3_COMPAT */
146 u_int32_t cl_handle; /* class handle */
147 class_queue_t *cl_q; /* class queue structure */
149 struct red *cl_red; /* RED state */
150 struct codel *cl_codel; /* CoDel state */
152 #define cl_red cl_aqm.cl_red
153 #define cl_codel cl_aqm.cl_codel
154 int cl_pri; /* priority */
155 int cl_flags; /* class flags */
156 struct priq_if *cl_pif; /* back pointer to pif */
157 struct altq_pktattr *cl_pktattr; /* saved header used by ECN */
160 u_int cl_period; /* backlog period */
161 struct pktcntr cl_xmitcnt; /* transmitted packet counter */
162 struct pktcntr cl_dropcnt; /* dropped packet counter */
166 * priq interface state
169 struct priq_if *pif_next; /* interface state list */
170 struct ifaltq *pif_ifq; /* backpointer to ifaltq */
171 u_int pif_bandwidth; /* link bandwidth in bps */
172 int pif_maxpri; /* max priority in use */
173 struct priq_class *pif_default; /* default class */
174 struct priq_class *pif_classes[PRIQ_MAXPRI]; /* classes */
175 #ifdef ALTQ3_CLFIER_COMPAT
176 struct acc_classifier pif_classifier; /* classifier */
186 #endif /* _ALTQ_ALTQ_PRIQ_H_ */