diff options
author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-09-11 14:46:53 +0200 |
---|---|---|
committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-09-11 14:46:53 +0200 |
commit | 336879b1da97fffc097f77c6d6f818660f2826f0 (patch) | |
tree | 4ddb4d1c5d2b67fb096c72e41d2a03b01a605041 /drivers/net/veth.c | |
parent | 3d3cbd84300e7be1e53083cac0f6f9c12978ecb4 (diff) | |
parent | fdcaa1dbb7c6ed419b10fb8cdb5001ab0a00538f (diff) |
Merge remote-tracking branch 'airlied/drm-next' into topic/vblank-rework
Dave asked me to do the backmerge before sending him the revised pull
request, so here we go. Nothing fancy in the conflicts, just a few
things changed right next to each another.
Conflicts:
drivers/gpu/drm/drm_irq.c
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'drivers/net/veth.c')
-rw-r--r-- | drivers/net/veth.c | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/drivers/net/veth.c b/drivers/net/veth.c index b4a10bcb66a..8ad596573d1 100644 --- a/drivers/net/veth.c +++ b/drivers/net/veth.c @@ -248,6 +248,21 @@ static void veth_dev_free(struct net_device *dev) free_netdev(dev); } +#ifdef CONFIG_NET_POLL_CONTROLLER +static void veth_poll_controller(struct net_device *dev) +{ + /* veth only receives frames when its peer sends one + * Since it's a synchronous operation, we are guaranteed + * never to have pending data when we poll for it so + * there is nothing to do here. + * + * We need this though so netpoll recognizes us as an interface that + * supports polling, which enables bridge devices in virt setups to + * still use netconsole + */ +} +#endif /* CONFIG_NET_POLL_CONTROLLER */ + static const struct net_device_ops veth_netdev_ops = { .ndo_init = veth_dev_init, .ndo_open = veth_open, @@ -257,6 +272,9 @@ static const struct net_device_ops veth_netdev_ops = { .ndo_get_stats64 = veth_get_stats64, .ndo_set_rx_mode = veth_set_multicast_list, .ndo_set_mac_address = eth_mac_addr, +#ifdef CONFIG_NET_POLL_CONTROLLER + .ndo_poll_controller = veth_poll_controller, +#endif }; #define VETH_FEATURES (NETIF_F_SG | NETIF_F_FRAGLIST | NETIF_F_ALL_TSO | \ @@ -317,6 +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; @@ -344,16 +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); |