From: Ethan Jackson <ethan@nicira.com>
Date: Tue, 15 Mar 2011 21:57:12 +0000 (-0700)
Subject: htb: Set required min-rate to mtu not 1500.
X-Git-Tag: v1.1.0~135
X-Git-Url: http://git.onelab.eu/?a=commitdiff_plain;h=4f1046117c54e60b8ef6b7b21c23d3a4bf2e61fb;p=sliver-openvswitch.git

htb: Set required min-rate to mtu not 1500.
---

diff --git a/lib/netdev-linux.c b/lib/netdev-linux.c
index dce7592b9..02d8a4d9a 100644
--- a/lib/netdev-linux.c
+++ b/lib/netdev-linux.c
@@ -2497,8 +2497,10 @@ htb_parse_class_details__(struct netdev *netdev,
         return EINVAL;
     }
 
+    /* HTB requires at least an mtu sized min-rate to send any traffic even
+     * on uncongested links. */
     hc->min_rate = min_rate_s ? strtoull(min_rate_s, NULL, 10) / 8 : 0;
-    hc->min_rate = MAX(hc->min_rate, 1500);
+    hc->min_rate = MAX(hc->min_rate, mtu);
     hc->min_rate = MIN(hc->min_rate, htb->max_rate);
 
     /* max-rate */