From d49cd9a18e400ef253bd3205d02df2c3eb02ef9f Mon Sep 17 00:00:00 2001
From: Kip Macy <kmacy@FreeBSD.org>
Date: Fri, 19 Jun 2009 23:11:20 +0000
Subject: add helper function for flushing software queues

---
 sys/net/if_var.h | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

(limited to 'sys/net/if_var.h')

diff --git a/sys/net/if_var.h b/sys/net/if_var.h
index 8b1a849afdaf..556aace8fae1 100644
--- a/sys/net/if_var.h
+++ b/sys/net/if_var.h
@@ -586,13 +586,27 @@ drbr_enqueue(struct ifnet *ifp, struct buf_ring *br, struct mbuf *m)
 }
 
 static __inline void
-drbr_free(struct buf_ring *br, struct malloc_type *type)
+drbr_flush(struct ifnet *ifp, struct buf_ring *br)
 {
 	struct mbuf *m;
 
+#ifdef ALTQ
+	if (ifp != NULL && ALTQ_IS_ENABLED(&ifp->if_snd)) {
+		while (!IFQ_IS_EMPTY(&ifp->if_snd)) {
+			IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
+			m_freem(m);
+		}
+	}
+#endif	
 	while ((m = buf_ring_dequeue_sc(br)) != NULL)
 		m_freem(m);
+}
+
+static __inline void
+drbr_free(struct buf_ring *br, struct malloc_type *type)
+{
 
+	drbr_flush(NULL, br);
 	buf_ring_free(br, type);
 }
 
-- 
cgit v1.2.3