platform: use driver name to detect IBM z-System CTC devices (rh #1212118)

https://bugzilla.redhat.com/show_bug.cgi?id=1212118

NetworkManager.spec

@@ -10,7 +10,7 @@
 %define snapshot %{nil}
 %define git_sha %{nil}
 %define realversion 1.0.0
-%define release_version 8
+%define release_version 9
 %define epoch_version 1
 
 %define obsoletes_nmver 1:0.9.9.95-1
@@ -86,6 +86,7 @@ Patch2: NetworkManager-1.0.0-bridge_resume.patch
 Patch3: 0001-ip6-config-remove-the-link-local-address-on-address-.patch
 Patch4: bgo742823-connectivity-no-dns.patch
 Patch5: 0001-connectivity-disable-HTTP-keepalive-for-connectivity.patch
+Patch6: rh1212118-detect-CTC-devices.patch
 
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
@@ -373,6 +374,7 @@ by nm-connection-editor and nm-applet in a non-graphical environment.
 %patch3 -p1 -b .v6ll-flush
 %patch4 -p1 -b .bgo742823-connectivity-no-dns.orig
 %patch5 -p1 -b .0001-connectivity-disable-HTTP-keepalive-for-connectivity.orig
+%patch6 -p1 -b .rh1212118-detect-CTC-devices.orig
 
 %build
 
@@ -665,6 +667,9 @@ fi
 %endif
 
 %changelog
+* Wed Apr 29 2015 Jiří Klimeš <jklimes@redhat.com> - 1:1.0.0-9
+- platform: use driver name to detect IBM z-System CTC devices (rh #1212118)
+
 * Mon Mar 16 2015 Dan Williams <dcbw@redhat.com> - 1:1.0.0-8
 - Turn off keepalive for connectivity checking
 

rh1212118-detect-CTC-devices.patch

@@ -0,0 +1,48 @@
+From 02c6a9334335d3ef32c6cc8fafc6cea235c80ffc Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Ji=C5=99=C3=AD=20Klime=C5=A1?= <jklimes@redhat.com>
+Date: Mon, 20 Apr 2015 14:14:36 +0200
+Subject: [PATCH] platform: use driver name to detect IBM z-System CTC devices
+ (rh #1212118)
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+We used to detect CTC devices according to the interface name. But that does
+not work anymore due to systemd renaming the devices.
+Let's use driver name for the detection instead. The driver is called 'ctcm'.
+
+http://www-01.ibm.com/support/knowledgecenter/linuxonibm/com.ibm.linux.z.lgdd/lgdd_r_mpc_setup.html
+
+https://bugzilla.redhat.com/show_bug.cgi?id=1212118
+Signed-off-by: Jiří Klimeš <jklimes@redhat.com>
+---
+ src/platform/nm-linux-platform.c | 7 +++----
+ 1 file changed, 3 insertions(+), 4 deletions(-)
+
+diff --git a/src/platform/nm-linux-platform.c b/src/platform/nm-linux-platform.c
+index d831bd3..ed22fe2 100644
+--- a/src/platform/nm-linux-platform.c
++++ b/src/platform/nm-linux-platform.c
+@@ -954,16 +954,15 @@ link_extract_type (NMPlatform *platform, struct rtnl_link *rtnllink, const char
+ 		if (!ifname)
+ 			return_type (NM_LINK_TYPE_UNKNOWN, type);
+ 
++		driver = ethtool_get_driver (ifname);
+ 		if (arptype == 256) {
+ 			/* Some s390 CTC-type devices report 256 for the encapsulation type
+-			 * for some reason, but we need to call them Ethernet. FIXME: use
+-			 * something other than interface name to detect CTC here.
++			 * for some reason, but we need to call them Ethernet.
+ 			 */
+-			if (g_str_has_prefix (ifname, "ctc"))
++			if (!g_strcmp0 (driver, "ctcm"))
+ 				return_type (NM_LINK_TYPE_ETHERNET, "ethernet");
+ 		}
+ 
+-		driver = ethtool_get_driver (ifname);
+ 		if (!g_strcmp0 (driver, "openvswitch"))
+ 			return_type (NM_LINK_TYPE_OPENVSWITCH, "openvswitch");
+ 
+-- 
+2.1.0
+