network: Rename primary to master

The previous change made things confusing by impliying there may be a
secondary when VLAN/IPVLAN/bridge members can only have a single parent
device.

Signed-off-by: Stéphane Graber <stgraber@ubuntu.com>

src/lxc/macro.h

@@ -389,7 +389,7 @@ extern int __build_bug_on_failed;
 #endif
 
 #ifndef BRIDGE_FLAGS_MASTER
-#define BRIDGE_FLAGS_MASTER 1 /* Bridge command to/from primary */
+#define BRIDGE_FLAGS_MASTER 1 /* Bridge command to/from parent */
 #endif
 
 #ifndef BRIDGE_VLAN_INFO_PVID

src/lxc/network.c

@@ -847,7 +847,7 @@ static int instantiate_macvlan(struct lxc_handler *handler, struct lxc_netdev *n
 	return -1;
 }
 
-static int lxc_ipvlan_create(const char *primary, const char *name, int mode, int isolation)
+static int lxc_ipvlan_create(const char *parent, const char *name, int mode, int isolation)
 {
 	call_cleaner(nlmsg_free) struct nlmsg *answer = NULL, *nlmsg = NULL;
 	struct nl_handler nlh;
@@ -856,15 +856,15 @@ static int lxc_ipvlan_create(const char *primary, const char *name, int mode, in
 	struct ifinfomsg *ifi;
 	struct rtattr *nest, *nest2;
 
-	len = strlen(primary);
+	len = strlen(parent);
 	if (len == 1 || len >= IFNAMSIZ)
 		return ret_errno(EINVAL);
 
 	len = strlen(name);
 	if (len == 1 || len >= IFNAMSIZ)
 		return ret_errno(EINVAL);
 
-	index = if_nametoindex(primary);
+	index = if_nametoindex(parent);
 	if (!index)
 		return ret_errno(EINVAL);
 
@@ -2052,7 +2052,7 @@ int lxc_veth_create(const char *name1, const char *name2, pid_t pid, unsigned in
 }
 
 /* TODO: merge with lxc_macvlan_create */
-int lxc_vlan_create(const char *primary, const char *name, unsigned short vlanid)
+int lxc_vlan_create(const char *parent, const char *name, unsigned short vlanid)
 {
 	call_cleaner(nlmsg_free) struct nlmsg *answer = NULL, *nlmsg = NULL;
 	struct nl_handler nlh;
@@ -2065,7 +2065,7 @@ int lxc_vlan_create(const char *primary, const char *name, unsigned short vlanid
 	if (err)
 		return err;
 
-	len = strlen(primary);
+	len = strlen(parent);
 	if (len == 1 || len >= IFNAMSIZ)
 		return ret_errno(EINVAL);
 
@@ -2081,7 +2081,7 @@ int lxc_vlan_create(const char *primary, const char *name, unsigned short vlanid
 	if (!answer)
 		return ret_errno(ENOMEM);
 
-	lindex = if_nametoindex(primary);
+	lindex = if_nametoindex(parent);
 	if (!lindex)
 		return ret_errno(EINVAL);
 
@@ -2120,7 +2120,7 @@ int lxc_vlan_create(const char *primary, const char *name, unsigned short vlanid
 	return netlink_transaction(nlh_ptr, nlmsg, answer);
 }
 
-int lxc_macvlan_create(const char *primary, const char *name, int mode)
+int lxc_macvlan_create(const char *parent, const char *name, int mode)
 {
 	call_cleaner(nlmsg_free) struct nlmsg *answer = NULL, *nlmsg = NULL;
 	struct nl_handler nlh;
@@ -2133,7 +2133,7 @@ int lxc_macvlan_create(const char *primary, const char *name, int mode)
 	if (err)
 		return err;
 
-	len = strlen(primary);
+	len = strlen(parent);
 	if (len == 1 || len >= IFNAMSIZ)
 		return ret_errno(EINVAL);
 
@@ -2149,7 +2149,7 @@ int lxc_macvlan_create(const char *primary, const char *name, int mode)
 	if (!answer)
 		return ret_errno(ENOMEM);
 
-	index = if_nametoindex(primary);
+	index = if_nametoindex(parent);
 	if (!index)
 		return ret_errno(EINVAL);
 

src/lxc/network.h

@@ -208,8 +208,8 @@ extern int lxc_netdev_set_mtu(const char *name, int mtu);
 /* Create a virtual network devices. */
 extern int lxc_veth_create(const char *name1, const char *name2, pid_t pid,
 			   unsigned int mtu);
-extern int lxc_macvlan_create(const char *primary, const char *name, int mode);
-extern int lxc_vlan_create(const char *primary, const char *name,
+extern int lxc_macvlan_create(const char *parent, const char *name, int mode);
+extern int lxc_vlan_create(const char *parent, const char *name,
 			   unsigned short vid);
 
 /* Set ip address. */