[libvirt] [PATCH 07/12] interface_backend_udev: Implement link speed & state

[Michal Privoznik]

In previous commit the interface XML is prepared for exporting
information on NIC link speed and state. This commit implement
actual logic for getting such info and writing it into XML.

Signed-off-by: Michal Privoznik <mprivozn at redhat.com>
---
 src/interface/interface_backend_udev.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/src/interface/interface_backend_udev.c b/src/interface/interface_backend_udev.c
index c5353ea..c8940ce 100644
--- a/src/interface/interface_backend_udev.c
+++ b/src/interface/interface_backend_udev.c
@@ -1036,6 +1036,8 @@ udevGetIfaceDef(struct udev *udev, const char *name)
     const char *mtu_str;
     char *vlan_parent_dev = NULL;
     const char *devtype;
+    const char *operstate;
+    const char *link_speed;
 
     /* Allocate our interface definition structure */
     if (VIR_ALLOC(ifacedef) < 0)
@@ -1059,6 +1061,23 @@ udevGetIfaceDef(struct udev *udev, const char *name)
                    udev_device_get_sysattr_value(dev, "address")) < 0)
         goto error;
 
+    operstate = udev_device_get_sysattr_value(dev, "operstate");
+    if ((ifacedef->state = virInterfaceStateTypeFromString(operstate)) <= 0) {
+        virReportError(VIR_ERR_INTERNAL_ERROR,
+                       _("Unable to parse operstate: %s"),
+                       operstate);
+        goto error;
+    }
+
+    link_speed = udev_device_get_sysattr_value(dev, "speed");
+    if (link_speed &&
+        virStrToLong_ul(link_speed, NULL, 10, &ifacedef->speed) < 0) {
+        virReportError(VIR_ERR_INTERNAL_ERROR,
+                       _("Unable to parse speed: %s"),
+                       link_speed);
+        goto error;
+    }
+
     /* MTU */
     mtu_str = udev_device_get_sysattr_value(dev, "mtu");
     if (virStrToLong_ui(mtu_str, NULL, 10, &mtu) < 0) {
-- 
1.9.3