Prepare Open vSwitch 1.1.2 release.

[sliver-openvswitch.git] / lib / netdev-linux.c

diff --git a/lib/netdev-linux.c b/lib/netdev-linux.c
index a27a625..6b0d014 100644 (file)
--- a/lib/netdev-linux.c
+++ b/lib/netdev-linux.c
@@ -64,7 +64,7 @@
 #include "rtnetlink-link.h"
 #include "socket-util.h"
 #include "shash.h"
-#include "svec.h"
+#include "sset.h"
 #include "vlog.h"
 
 VLOG_DEFINE_THIS_MODULE(netdev_linux);
@@ -729,9 +729,9 @@ netdev_linux_close(struct netdev *netdev_)
     free(netdev);
 }
 
-/* Initializes 'svec' with a list of the names of all known network devices. */
+/* Initializes 'sset' with a list of the names of all known network devices. */
 static int
-netdev_linux_enumerate(struct svec *svec)
+netdev_linux_enumerate(struct sset *sset)
 {
     struct if_nameindex *names;
 
@@ -740,7 +740,7 @@ netdev_linux_enumerate(struct svec *svec)
         size_t i;
 
         for (i = 0; names[i].if_name != NULL; i++) {
-            svec_add(svec, names[i].if_name);
+            sset_add(sset, names[i].if_name);
         }
         if_freenameindex(names);
         return 0;
@@ -1510,14 +1510,14 @@ netdev_linux_set_policing(struct netdev *netdev,
 
 static int
 netdev_linux_get_qos_types(const struct netdev *netdev OVS_UNUSED,
-                           struct svec *types)
+                           struct sset *types)
 {
     const struct tc_ops **opsp;
 
     for (opsp = tcs; *opsp != NULL; opsp++) {
         const struct tc_ops *ops = *opsp;
         if (ops->tc_install && ops->ovs_name[0] != '\0') {
-            svec_add(types, ops->ovs_name);
+            sset_add(types, ops->ovs_name);
         }
     }
     return 0;
@@ -2301,7 +2301,7 @@ htb_get__(const struct netdev *netdev)
     return CONTAINER_OF(netdev_dev->tc, struct htb, tc);
 }
 
-static struct htb *
+static void
 htb_install__(struct netdev *netdev, uint64_t max_rate)
 {
     struct netdev_dev_linux *netdev_dev =
@@ -2313,8 +2313,6 @@ htb_install__(struct netdev *netdev, uint64_t max_rate)
     htb->max_rate = max_rate;
 
     netdev_dev->tc = &htb->tc;
-
-    return htb;
 }
 
 /* Create an HTB qdisc.
@@ -2497,13 +2495,10 @@ htb_parse_class_details__(struct netdev *netdev,
         return EINVAL;
     }
 
-    /* min-rate.  Don't allow a min-rate below 1500 bytes/s. */
-    if (!min_rate_s) {
-        /* min-rate is required. */
-        return EINVAL;
-    }
-    hc->min_rate = strtoull(min_rate_s, NULL, 10) / 8;
-    hc->min_rate = MAX(hc->min_rate, 1500);
+    /* 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, mtu);
     hc->min_rate = MIN(hc->min_rate, htb->max_rate);
 
     /* max-rate */
@@ -2603,12 +2598,11 @@ htb_tc_load(struct netdev *netdev, struct ofpbuf *nlmsg OVS_UNUSED)
     struct ofpbuf msg;
     struct nl_dump dump;
     struct htb_class hc;
-    struct htb *htb;
 
     /* Get qdisc options. */
     hc.max_rate = 0;
     htb_query_class__(netdev, tc_make_handle(1, 0xfffe), 0, &hc, NULL);
-    htb = htb_install__(netdev, hc.max_rate);
+    htb_install__(netdev, hc.max_rate);
 
     /* Get queues. */
     if (!start_queue_dump(netdev, &dump)) {
@@ -2792,7 +2786,7 @@ hfsc_class_cast__(const struct tc_queue *queue)
     return CONTAINER_OF(queue, struct hfsc_class, tc_queue);
 }
 
-static struct hfsc *
+static void
 hfsc_install__(struct netdev *netdev, uint32_t max_rate)
 {
     struct netdev_dev_linux * netdev_dev;
@@ -2803,8 +2797,6 @@ hfsc_install__(struct netdev *netdev, uint32_t max_rate)
     tc_init(&hfsc->tc, &tc_ops_hfsc);
     hfsc->max_rate = max_rate;
     netdev_dev->tc = &hfsc->tc;
-
-    return hfsc;
 }
 
 static void
@@ -2977,12 +2969,8 @@ hfsc_parse_class_details__(struct netdev *netdev,
     min_rate_s = shash_find_data(details, "min-rate");
     max_rate_s = shash_find_data(details, "max-rate");
 
-    if (!min_rate_s) {
-        return EINVAL;
-    }
-
-    min_rate = strtoull(min_rate_s, NULL, 10) / 8;
-    min_rate = MAX(min_rate, 1500);
+    min_rate = min_rate_s ? strtoull(min_rate_s, NULL, 10) / 8 : 0;
+    min_rate = MAX(min_rate, 1);
     min_rate = MIN(min_rate, hfsc->max_rate);
 
     max_rate = (max_rate_s
@@ -3107,13 +3095,12 @@ static int
 hfsc_tc_load(struct netdev *netdev, struct ofpbuf *nlmsg OVS_UNUSED)
 {
     struct ofpbuf msg;
-    struct hfsc *hfsc;
     struct nl_dump dump;
     struct hfsc_class hc;
 
     hc.max_rate = 0;
     hfsc_query_class__(netdev, tc_make_handle(1, 0xfffe), 0, &hc, NULL);
-    hfsc = hfsc_install__(netdev, hc.max_rate);
+    hfsc_install__(netdev, hc.max_rate);
 
     if (!start_queue_dump(netdev, &dump)) {
         return ENODEV;