X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/316670eb35587141e969394ae8537d66b9211e80..ecc0ceb4089d506a0b8d16686a95817b331af9cb:/bsd/net/classq/classq_subr.c

diff --git a/bsd/net/classq/classq_subr.c b/bsd/net/classq/classq_subr.c
index 738c86e23..98c007bd9 100644
--- a/bsd/net/classq/classq_subr.c
+++ b/bsd/net/classq/classq_subr.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011 Apple Inc. All rights reserved.
+ * Copyright (c) 2011-2015 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  *
@@ -95,6 +95,7 @@ ifclassq_setup(struct ifnet *ifp, u_int32_t sflags, boolean_t reuse)
 	VERIFY(IFCQ_IS_EMPTY(ifq));
 	ifq->ifcq_ifp = ifp;
 	IFCQ_LEN(ifq) = 0;
+	IFCQ_BYTES(ifq) = 0;
 	bzero(&ifq->ifcq_xmitcnt, sizeof (ifq->ifcq_xmitcnt));
 	bzero(&ifq->ifcq_dropcnt, sizeof (ifq->ifcq_dropcnt));
 
@@ -115,6 +116,14 @@ ifclassq_setup(struct ifnet *ifp, u_int32_t sflags, boolean_t reuse)
 			maxlen = if_sndq_maxlen;
 		IFCQ_SET_MAXLEN(ifq, maxlen);
 
+		if (IFCQ_MAXLEN(ifq) != if_sndq_maxlen &&
+		    IFCQ_TARGET_QDELAY(ifq) == 0) {
+			/*
+			 * Choose static queues because the interface has
+			 * maximum queue size set
+			 */
+			sflags &= ~PKTSCHEDF_QALG_DELAYBASED;
+		}
 		ifq->ifcq_sflags = sflags;
 		err = ifclassq_pktsched_setup(ifq);
 		if (err == 0)
@@ -189,6 +198,7 @@ ifclassq_teardown(struct ifnet *ifp)
 	VERIFY(ifq->ifcq_dequeue_sc == NULL);
 	VERIFY(ifq->ifcq_request == NULL);
 	IFCQ_LEN(ifq) = 0;
+	IFCQ_BYTES(ifq) = 0;
 	IFCQ_MAXLEN(ifq) = 0;
 	bzero(&ifq->ifcq_xmitcnt, sizeof (ifq->ifcq_xmitcnt));
 	bzero(&ifq->ifcq_dropcnt, sizeof (ifq->ifcq_dropcnt));
@@ -238,10 +248,24 @@ ifclassq_get_maxlen(struct ifclassq *ifq)
 	return (IFCQ_MAXLEN(ifq));
 }
 
-u_int32_t
-ifclassq_get_len(struct ifclassq *ifq)
+int
+ifclassq_get_len(struct ifclassq *ifq, mbuf_svc_class_t sc, u_int32_t *packets,
+    u_int32_t *bytes)
 {
-	return (IFCQ_LEN(ifq));
+	int err = 0;
+
+	IFCQ_LOCK(ifq);
+	if (sc == MBUF_SC_UNSPEC) {
+		VERIFY(packets != NULL);
+		*packets = IFCQ_LEN(ifq);
+	} else {
+		VERIFY(MBUF_VALID_SC(sc));
+		VERIFY(packets != NULL && bytes != NULL);
+		IFCQ_LEN_SC(ifq, sc, packets, bytes, err);
+	}
+	IFCQ_UNLOCK(ifq);
+
+	return (err);
 }
 
 errno_t
@@ -309,7 +333,6 @@ ifclassq_dequeue_common(struct ifclassq *ifq, mbuf_svc_class_t sc,
 	IFCQ_LOCK_SPIN(ifq);
 
 	while (i < limit) {
-		u_int64_t pktlen;
 #if PF_ALTQ
 		u_int32_t qlen;
 
@@ -361,11 +384,17 @@ ifclassq_dequeue_common(struct ifclassq *ifq, mbuf_svc_class_t sc,
 		last = *head;
 
 		l += (*head)->m_pkthdr.len;
-		pktlen = (*head)->m_pkthdr.len;
-
-		(*head)->m_pkthdr.pf_mtag.pftag_pktseq =
-		    atomic_add_64_ov(&(ifp->if_bw.cur_seq), pktlen);
 
+#if MEASURE_BW
+		(*head)->m_pkthdr.pkt_bwseq =
+		    atomic_add_64_ov(&(ifp->if_bw.cur_seq), m_pktlen(*head));
+#endif /* MEASURE_BW */
+		if (IFNET_IS_CELLULAR(ifp)) {
+			(*head)->m_pkthdr.pkt_flags |= PKTF_VALID_UNSENT_DATA;
+			(*head)->m_pkthdr.pkt_unsent_databytes =
+			    (total_snd_byte_count << MSIZESHIFT) +
+			    ifq->ifcq_bytes;
+		}
 		head = &(*head)->m_nextpkt;
 		i++;
 	}
@@ -539,8 +568,12 @@ ifclassq_ev2str(cqev_t ev)
 	const char *c;
 
 	switch (ev) {
-	case CLASSQ_EV_LINK_SPEED:
-		c = "LINK_SPEED";
+	case CLASSQ_EV_LINK_BANDWIDTH:
+		c = "LINK_BANDWIDTH";
+		break;
+
+	case CLASSQ_EV_LINK_LATENCY:
+		c = "LINK_LATENCY";
 		break;
 
 	case CLASSQ_EV_LINK_MTU:
@@ -704,7 +737,7 @@ ifclassq_tbr_set(struct ifclassq *ifq, struct tb_profile *profile,
 		bzero(tbr, sizeof (*tbr));
 		ifnet_set_start_cycle(ifp, NULL);
 		if (update)
-			ifclassq_update(ifq, CLASSQ_EV_LINK_SPEED);
+			ifclassq_update(ifq, CLASSQ_EV_LINK_BANDWIDTH);
 		return (0);
 	}
 
@@ -788,7 +821,7 @@ ifclassq_tbr_set(struct ifclassq *ifq, struct tb_profile *profile,
 		ifnet_set_start_cycle(ifp, NULL);
 	}
 	if (update && tbr->tbr_rate_raw != old_rate)
-		ifclassq_update(ifq, CLASSQ_EV_LINK_SPEED);
+		ifclassq_update(ifq, CLASSQ_EV_LINK_BANDWIDTH);
 
 	return (0);
 }