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devlink: Return physical port fields only for applicable port flavours 

Physical port number and split group fields are applicable only to
physical port flavours such as PHYSICAL, CPU and DSA.
Hence limit returning those values in netlink response to such port
flavours.

Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
alistair/sunxi64-5.4-dsi
Parav Pandit 2019-07-08 23:17:36 -05:00 committed by David S. Miller
parent 378ef01b5f
commit a2c6b87dd0
1 changed files with 4 additions and 0 deletions
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4
net/core/devlink.c
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@ -515,6 +515,10 @@ static int devlink_nl_port_attrs_put(struct sk_buff *msg,
return 0;
if (nla_put_u16(msg, DEVLINK_ATTR_PORT_FLAVOUR, attrs->flavour))
return -EMSGSIZE;
if (devlink_port->attrs.flavour != DEVLINK_PORT_FLAVOUR_PHYSICAL &&
devlink_port->attrs.flavour != DEVLINK_PORT_FLAVOUR_CPU &&
devlink_port->attrs.flavour != DEVLINK_PORT_FLAVOUR_DSA)
return 0;
if (nla_put_u32(msg, DEVLINK_ATTR_PORT_NUMBER,
attrs->phys.port_number))
return -EMSGSIZE;