xnu-3789.1.32.tar.gz

[apple/xnu.git] / bsd / net / classq / if_classq.h

diff --git a/bsd/net/classq/if_classq.h b/bsd/net/classq/if_classq.h
index bc8f4191e3f39de0d808764d2e05c6e053255cea..de8ddc60cf306dc5a32fcdade7cc1e843961ba72 100644 (file)
--- a/bsd/net/classq/if_classq.h
+++ b/bsd/net/classq/if_classq.h
@@ -111,6 +111,9 @@ typedef int (*ifclassq_enq_func)(struct ifclassq *, struct mbuf *);
 typedef struct mbuf *(*ifclassq_deq_func)(struct ifclassq *, enum cqdq_op);
 typedef struct mbuf *(*ifclassq_deq_sc_func)(struct ifclassq *,
     mbuf_svc_class_t, enum cqdq_op);
+typedef int (*ifclassq_deq_multi_func)(struct ifclassq *, enum cqdq_op,
+    u_int32_t, u_int32_t, struct mbuf **, struct mbuf **, u_int32_t *,
+    u_int32_t *);
 typedef int (*ifclassq_req_func)(struct ifclassq *, enum cqrq, void *);
 
 /*
@@ -158,6 +161,7 @@ struct ifclassq {
        ifclassq_enq_func       ifcq_enqueue;
        ifclassq_deq_func       ifcq_dequeue;
        ifclassq_deq_sc_func    ifcq_dequeue_sc;
+       ifclassq_deq_multi_func ifcq_dequeue_multi;
        ifclassq_req_func       ifcq_request;
 
        /* token bucket regulator */
@@ -184,11 +188,11 @@ struct ifclassq {
 #define        IFCQ_TBR_IS_ENABLED(_ifcq)      ((_ifcq)->ifcq_flags & IFCQF_TBR)
 
 /* classq enqueue return value */
-#define CLASSQEQ_DROPPED       (-1)    /* packet dropped (freed)  */
-#define CLASSQEQ_SUCCESS       0       /* success, packet enqueued */
-#define CLASSQEQ_SUCCESS_FC    1       /* packet enqueued; */
+#define        CLASSQEQ_DROPPED        (-1)    /* packet dropped (freed)  */
+#define        CLASSQEQ_SUCCESS        0       /* success, packet enqueued */
+#define        CLASSQEQ_SUCCESS_FC     1       /* packet enqueued; */
                                        /*   give flow control feedback */
-#define CLASSQEQ_DROPPED_FC    2       /* packet dropped; */
+#define        CLASSQEQ_DROPPED_FC     2       /* packet dropped; */
                                        /*  give flow control feedback */
 #define        CLASSQEQ_DROPPED_SP     3       /* packet dropped due to suspension; */
                                        /*  give flow control feedback */
@@ -209,11 +213,11 @@ typedef enum cqev {
 #include <net/pktsched/pktsched_cbq.h>
 #include <net/pktsched/pktsched_hfsc.h>
 #include <net/pktsched/pktsched_qfq.h>
+#include <net/pktsched/pktsched_fq_codel.h>
 
 #ifdef __cplusplus
 extern "C" {
 #endif
-
 struct if_ifclassq_stats {
        u_int32_t       ifqs_len;
        u_int32_t       ifqs_maxlen;
@@ -227,6 +231,7 @@ struct if_ifclassq_stats {
                struct cbq_classstats   ifqs_cbq_stats;
                struct hfsc_classstats  ifqs_hfsc_stats;
                struct qfq_classstats   ifqs_qfq_stats;
+               struct fq_codel_classstats      ifqs_fq_codel_stats;
        };
 } __attribute__((aligned(8)));
 
@@ -342,10 +347,12 @@ struct if_ifclassq_stats {
 #define        IFCQ_DEC_LEN(_ifcq)     (IFCQ_LEN(_ifcq)--)
 #define        IFCQ_MAXLEN(_ifcq)      ((_ifcq)->ifcq_maxlen)
 #define        IFCQ_SET_MAXLEN(_ifcq, _len) ((_ifcq)->ifcq_maxlen = (_len))
-#define IFCQ_TARGET_QDELAY(_ifcq)      ((_ifcq)->ifcq_target_qdelay)
+#define        IFCQ_TARGET_QDELAY(_ifcq)       ((_ifcq)->ifcq_target_qdelay)
 #define        IFCQ_BYTES(_ifcq)       ((_ifcq)->ifcq_bytes)
-#define        IFCQ_INC_BYTES(_ifcq, _len) (IFCQ_BYTES(_ifcq) + _len)
-#define        IFCQ_DEC_BYTES(_ifcq, _len) (IFCQ_BYTES(_ifcq) - _len)
+#define        IFCQ_INC_BYTES(_ifcq, _len) \
+    ((_ifcq)->ifcq_bytes = (_ifcq)->ifcq_bytes + (_len))
+#define        IFCQ_DEC_BYTES(_ifcq, _len) \
+    ((_ifcq)->ifcq_bytes = (_ifcq)->ifcq_bytes - (_len))
 
 #define        IFCQ_XMIT_ADD(_ifcq, _pkt, _len) do {                           \
        PKTCNTR_ADD(&(_ifcq)->ifcq_xmitcnt, _pkt, _len);                \
@@ -363,8 +370,8 @@ extern u_int32_t ifclassq_get_maxlen(struct ifclassq *);
 extern int ifclassq_get_len(struct ifclassq *, mbuf_svc_class_t,
     u_int32_t *, u_int32_t *);
 extern errno_t ifclassq_enqueue(struct ifclassq *, struct mbuf *);
-extern errno_t ifclassq_dequeue(struct ifclassq *, u_int32_t, struct mbuf **,
-    struct mbuf **, u_int32_t *, u_int32_t *);
+extern errno_t ifclassq_dequeue(struct ifclassq *, u_int32_t, u_int32_t,
+    struct mbuf **, struct mbuf **, u_int32_t *, u_int32_t *);
 extern errno_t ifclassq_dequeue_sc(struct ifclassq *, mbuf_svc_class_t,
     u_int32_t, struct mbuf **, struct mbuf **, u_int32_t *, u_int32_t *);
 extern struct mbuf *ifclassq_poll(struct ifclassq *);
@@ -372,7 +379,7 @@ extern struct mbuf *ifclassq_poll_sc(struct ifclassq *, mbuf_svc_class_t);
 extern void ifclassq_update(struct ifclassq *, cqev_t);
 extern int ifclassq_attach(struct ifclassq *, u_int32_t, void *,
     ifclassq_enq_func, ifclassq_deq_func, ifclassq_deq_sc_func,
-    ifclassq_req_func);
+    ifclassq_deq_multi_func, ifclassq_req_func);
 extern int ifclassq_detach(struct ifclassq *);
 extern int ifclassq_getqstats(struct ifclassq *, u_int32_t,
     void *, u_int32_t *);
@@ -381,6 +388,10 @@ extern int ifclassq_tbr_set(struct ifclassq *, struct tb_profile *, boolean_t);
 extern struct mbuf *ifclassq_tbr_dequeue(struct ifclassq *, int);
 extern struct mbuf *ifclassq_tbr_dequeue_sc(struct ifclassq *, int,
     mbuf_svc_class_t);
+extern void ifclassq_calc_target_qdelay(struct ifnet *ifp,
+    u_int64_t *if_target_qdelay);
+extern void ifclassq_calc_update_interval(u_int64_t *update_interval);
+
 #endif /* BSD_KERNEL_PRIVATE */
 #endif /* PRIVATE */
 #endif /* _NET_CLASSQ_IF_CLASSQ_H_ */