platform: add nm_platform_link_set_name()

We'll need it to rename the new PPP interface to a given name.

3 files changed, 50 insertions, 0 deletions

diff --git a/src/platform/nm-linux-platform.c b/src/platform/nm-linux-platform.c
index 42a77c5066..85d1591f1c 100644
--- a/src/platform/nm-linux-platform.c
+++ b/src/platform/nm-linux-platform.c
@@ -4463,6 +4463,29 @@ nla_put_failure:
 	g_return_val_if_reached (NM_PLATFORM_ERROR_UNSPECIFIED);
 }
 
+static NMPlatformError
+link_set_name (NMPlatform *platform, int ifindex, const char *name)
+{
+	nm_auto_nlmsg struct nl_msg *nlmsg = NULL;
+
+	_LOGD ("link: change %d: name: %s", ifindex, name);
+
+	nlmsg = _nl_msg_new_link (RTM_NEWLINK,
+	                          0,
+	                          ifindex,
+	                          NULL,
+	                          0,
+	                          0);
+	if (!nlmsg)
+		g_return_val_if_reached (NM_PLATFORM_ERROR_UNSPECIFIED);
+
+	NLA_PUT (nlmsg, IFLA_IFNAME, strlen (name) + 1, name);
+
+	return do_change_link (platform, ifindex, nlmsg) == NM_PLATFORM_ERROR_SUCCESS;
+nla_put_failure:
+	g_return_val_if_reached (FALSE);
+}
+
 static gboolean
 link_get_permanent_address (NMPlatform *platform,
                             int ifindex,
@@ -6461,6 +6484,7 @@ nm_linux_platform_class_init (NMLinuxPlatformClass *klass)
 	platform_class->link_set_address = link_set_address;
 	platform_class->link_get_permanent_address = link_get_permanent_address;
 	platform_class->link_set_mtu = link_set_mtu;
+	platform_class->link_set_name = link_set_name;
 	platform_class->link_set_sriov_num_vfs = link_set_sriov_num_vfs;
 
 	platform_class->link_get_physical_port_id = link_get_physical_port_id;
diff --git a/src/platform/nm-platform.c b/src/platform/nm-platform.c
index 03dc6943b6..e7935d49fb 100644
--- a/src/platform/nm-platform.c
+++ b/src/platform/nm-platform.c
@@ -1462,6 +1462,30 @@ nm_platform_link_get_mtu (NMPlatform *self, int ifindex)
 }
 
 /**
+ * nm_platform_link_set_name:
+ * @self: platform instance
+ * @ifindex: Interface index
+ * @name: The new interface name
+ *
+ * Set interface name.
+ */
+gboolean
+nm_platform_link_set_name (NMPlatform *self, int ifindex, const char *name)
+{
+	_CHECK_SELF (self, klass, FALSE);
+
+	g_return_val_if_fail (ifindex >= 0, FALSE);
+	g_return_val_if_fail (name, FALSE);
+
+	_LOGD ("link: setting '%s' (%d) name %s", nm_platform_link_get_name (self, ifindex), ifindex, name);
+
+	if (strlen (name) + 1 > IFNAMSIZ)
+		return FALSE;
+
+	return klass->link_set_name (self, ifindex, name);
+}
+
+/**
  * nm_platform_link_get_physical_port_id:
  * @self: platform instance
  * @ifindex: Interface index
diff --git a/src/platform/nm-platform.h b/src/platform/nm-platform.h
index a40d33f43d..8e922b95e0 100644
--- a/src/platform/nm-platform.h
+++ b/src/platform/nm-platform.h
@@ -682,6 +682,7 @@ typedef struct {
 	                                        size_t *length);
 	NMPlatformError (*link_set_address) (NMPlatform *, int ifindex, gconstpointer address, size_t length);
 	gboolean (*link_set_mtu) (NMPlatform *, int ifindex, guint32 mtu);
+	gboolean (*link_set_name) (NMPlatform *, int ifindex, const char *name);
 	gboolean (*link_set_sriov_num_vfs) (NMPlatform *, int ifindex, guint num_vfs);
 
 	char *   (*link_get_physical_port_id) (NMPlatform *, int ifindex);
@@ -946,6 +947,7 @@ gboolean nm_platform_link_set_ipv6_token (NMPlatform *self, int ifindex, NMUtils
 gboolean nm_platform_link_get_permanent_address (NMPlatform *self, int ifindex, guint8 *buf, size_t *length);
 NMPlatformError nm_platform_link_set_address (NMPlatform *self, int ifindex, const void *address, size_t length);
 gboolean nm_platform_link_set_mtu (NMPlatform *self, int ifindex, guint32 mtu);
+gboolean nm_platform_link_set_name (NMPlatform *self, int ifindex, const char *name);
 gboolean nm_platform_link_set_sriov_num_vfs (NMPlatform *self, int ifindex, guint num_vfs);
 
 char    *nm_platform_link_get_physical_port_id (NMPlatform *self, int ifindex);