diff options
| author | Tom Gundersen <teg@jklm.no> | 2014-07-14 16:37:25 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-07-15 16:13:07 -0700 |
| commit | 5517750f058edd111bcabe5e116056cc63b1f39c (patch) | |
| tree | 200173a4d60aa65dc22ece6efa83b8e0f5dd2a29 | |
| parent | c835a677331495cf137a7f8a023463afd9f032f8 (diff) | |
net: rtnetlink - make create_link take name_assign_type
This passes down NET_NAME_USER (or NET_NAME_ENUM) to alloc_netdev(),
for any device created over rtnetlink.
v9: restore reverse-christmas-tree order of local variables
Signed-off-by: Tom Gundersen <teg@jklm.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/veth.c | 11 | ||||
| -rw-r--r-- | include/net/rtnetlink.h | 1 | ||||
| -rw-r--r-- | net/core/rtnetlink.c | 12 |
3 files changed, 17 insertions, 7 deletions
diff --git a/drivers/net/veth.c b/drivers/net/veth.c index 9b945e60530e..8ad596573d17 100644 --- a/drivers/net/veth.c +++ b/drivers/net/veth.c @@ -335,6 +335,7 @@ static int veth_newlink(struct net *src_net, struct net_device *dev, struct veth_priv *priv; char ifname[IFNAMSIZ]; struct nlattr *peer_tb[IFLA_MAX + 1], **tbp; + unsigned char name_assign_type; struct ifinfomsg *ifmp; struct net *net; @@ -362,16 +363,20 @@ static int veth_newlink(struct net *src_net, struct net_device *dev, tbp = tb; } - if (tbp[IFLA_IFNAME]) + if (tbp[IFLA_IFNAME]) { nla_strlcpy(ifname, tbp[IFLA_IFNAME], IFNAMSIZ); - else + name_assign_type = NET_NAME_USER; + } else { snprintf(ifname, IFNAMSIZ, DRV_NAME "%%d"); + name_assign_type = NET_NAME_ENUM; + } net = rtnl_link_get_net(src_net, tbp); if (IS_ERR(net)) return PTR_ERR(net); - peer = rtnl_create_link(net, ifname, &veth_link_ops, tbp); + peer = rtnl_create_link(net, ifname, name_assign_type, + &veth_link_ops, tbp); if (IS_ERR(peer)) { put_net(net); return PTR_ERR(peer); diff --git a/include/net/rtnetlink.h b/include/net/rtnetlink.h index 72240e5ac2c4..e21b9f9653c0 100644 --- a/include/net/rtnetlink.h +++ b/include/net/rtnetlink.h @@ -136,6 +136,7 @@ void rtnl_af_unregister(struct rtnl_af_ops *ops); struct net *rtnl_link_get_net(struct net *src_net, struct nlattr *tb[]); struct net_device *rtnl_create_link(struct net *net, char *ifname, + unsigned char name_assign_type, const struct rtnl_link_ops *ops, struct nlattr *tb[]); int rtnl_configure_link(struct net_device *dev, const struct ifinfomsg *ifm); diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 599864322de8..e9918020dbc9 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -1810,7 +1810,8 @@ int rtnl_configure_link(struct net_device *dev, const struct ifinfomsg *ifm) EXPORT_SYMBOL(rtnl_configure_link); struct net_device *rtnl_create_link(struct net *net, - char *ifname, const struct rtnl_link_ops *ops, struct nlattr *tb[]) + char *ifname, unsigned char name_assign_type, + const struct rtnl_link_ops *ops, struct nlattr *tb[]) { int err; struct net_device *dev; @@ -1828,7 +1829,7 @@ struct net_device *rtnl_create_link(struct net *net, num_rx_queues = ops->get_num_rx_queues(); err = -ENOMEM; - dev = alloc_netdev_mqs(ops->priv_size, ifname, NET_NAME_UNKNOWN, + dev = alloc_netdev_mqs(ops->priv_size, ifname, name_assign_type, ops->setup, num_tx_queues, num_rx_queues); if (!dev) goto err; @@ -1894,6 +1895,7 @@ static int rtnl_newlink(struct sk_buff *skb, struct nlmsghdr *nlh) char ifname[IFNAMSIZ]; struct nlattr *tb[IFLA_MAX+1]; struct nlattr *linkinfo[IFLA_INFO_MAX+1]; + unsigned char name_assign_type = NET_NAME_USER; int err; #ifdef CONFIG_MODULES @@ -2046,14 +2048,16 @@ replay: if (!ops->setup) return -EOPNOTSUPP; - if (!ifname[0]) + if (!ifname[0]) { snprintf(ifname, IFNAMSIZ, "%s%%d", ops->kind); + name_assign_type = NET_NAME_ENUM; + } dest_net = rtnl_link_get_net(net, tb); if (IS_ERR(dest_net)) return PTR_ERR(dest_net); - dev = rtnl_create_link(dest_net, ifname, ops, tb); + dev = rtnl_create_link(dest_net, ifname, name_assign_type, ops, tb); if (IS_ERR(dev)) { err = PTR_ERR(dev); goto out; |