diff options
| author | Ido Schimmel <idosch@mellanox.com> | 2018-02-27 17:38:08 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-02-28 11:01:30 -0500 |
| commit | 44d15d930bb8463d10b05bbed45e881e5055495a (patch) | |
| tree | c084589f3bc34566e98711b66b8dbe168ee2fe19 /drivers/net/team | |
| parent | fb66cb0775609852b812c9bc2bd1589374317410 (diff) | |
| download | linux-44d15d930bb8463d10b05bbed45e881e5055495a.tar.gz | |
team: Use extack to report enslavement failures
Use extack inside team's enslavement function and also propagate it to
the netdevice notifier to allow enslaved ports to report the failure
reason. Example:
$ teamd -t team0 -d -c '{"runner": {"name": "lacp"}}'
$ ip link set dev lo master team0
Error: Loopback device can't be added as a team port.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/team')
| -rw-r--r-- | drivers/net/team/team.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index a468439969df..5dd781e65958 100644 --- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -1105,14 +1105,15 @@ static void team_port_disable_netpoll(struct team_port *port) } #endif -static int team_upper_dev_link(struct team *team, struct team_port *port) +static int team_upper_dev_link(struct team *team, struct team_port *port, + struct netlink_ext_ack *extack) { struct netdev_lag_upper_info lag_upper_info; int err; lag_upper_info.tx_type = team->mode->lag_tx_type; err = netdev_master_upper_dev_link(port->dev, team->dev, NULL, - &lag_upper_info, NULL); + &lag_upper_info, extack); if (err) return err; port->dev->priv_flags |= IFF_TEAM_PORT; @@ -1129,7 +1130,8 @@ static void __team_port_change_port_added(struct team_port *port, bool linkup); static int team_dev_type_check_change(struct net_device *dev, struct net_device *port_dev); -static int team_port_add(struct team *team, struct net_device *port_dev) +static int team_port_add(struct team *team, struct net_device *port_dev, + struct netlink_ext_ack *extack) { struct net_device *dev = team->dev; struct team_port *port; @@ -1137,12 +1139,14 @@ static int team_port_add(struct team *team, struct net_device *port_dev) int err; if (port_dev->flags & IFF_LOOPBACK) { + NL_SET_ERR_MSG(extack, "Loopback device can't be added as a team port"); netdev_err(dev, "Device %s is loopback device. Loopback devices can't be added as a team port\n", portname); return -EINVAL; } if (team_port_exists(port_dev)) { + NL_SET_ERR_MSG(extack, "Device is already a port of a team device"); netdev_err(dev, "Device %s is already a port " "of a team device\n", portname); return -EBUSY; @@ -1150,6 +1154,7 @@ static int team_port_add(struct team *team, struct net_device *port_dev) if (port_dev->features & NETIF_F_VLAN_CHALLENGED && vlan_uses_dev(dev)) { + NL_SET_ERR_MSG(extack, "Device is VLAN challenged and team device has VLAN set up"); netdev_err(dev, "Device %s is VLAN challenged and team device has VLAN set up\n", portname); return -EPERM; @@ -1160,6 +1165,7 @@ static int team_port_add(struct team *team, struct net_device *port_dev) return err; if (port_dev->flags & IFF_UP) { + NL_SET_ERR_MSG(extack, "Device is up. Set it down before adding it as a team port"); netdev_err(dev, "Device %s is up. Set it down before adding it as a team port\n", portname); return -EBUSY; @@ -1227,7 +1233,7 @@ static int team_port_add(struct team *team, struct net_device *port_dev) goto err_handler_register; } - err = team_upper_dev_link(team, port); + err = team_upper_dev_link(team, port, extack); if (err) { netdev_err(dev, "Device %s failed to set upper link\n", portname); @@ -1921,7 +1927,7 @@ static int team_add_slave(struct net_device *dev, struct net_device *port_dev, int err; mutex_lock(&team->lock); - err = team_port_add(team, port_dev); + err = team_port_add(team, port_dev, extack); mutex_unlock(&team->lock); if (!err) |