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devlink: Use switch-case instead of if-else 

Make core more readable with switch-case for various 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>
This commit is contained in:
Parav Pandit 2019-08-30 05:39:45 -05:00 committed by David S. Miller
parent c7282b501f
commit 58b6be4175
1 changed files with 22 additions and 17 deletions
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39
net/core/devlink.c
View File

@ -510,32 +510,37 @@ 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_PCI_PF) {
switch (devlink_port->attrs.flavour) {
case DEVLINK_PORT_FLAVOUR_PCI_PF:
if (nla_put_u16(msg, DEVLINK_ATTR_PORT_PCI_PF_NUMBER,
attrs->pci_pf.pf))
return -EMSGSIZE;
} else if (devlink_port->attrs.flavour == DEVLINK_PORT_FLAVOUR_PCI_VF) {
break;
case DEVLINK_PORT_FLAVOUR_PCI_VF:
if (nla_put_u16(msg, DEVLINK_ATTR_PORT_PCI_PF_NUMBER,
attrs->pci_vf.pf) ||
nla_put_u16(msg, DEVLINK_ATTR_PORT_PCI_VF_NUMBER,
attrs->pci_vf.vf))
return -EMSGSIZE;
break;
case DEVLINK_PORT_FLAVOUR_PHYSICAL:
case DEVLINK_PORT_FLAVOUR_CPU:
case DEVLINK_PORT_FLAVOUR_DSA:
if (nla_put_u32(msg, DEVLINK_ATTR_PORT_NUMBER,
attrs->phys.port_number))
return -EMSGSIZE;
if (!attrs->split)
return 0;
if (nla_put_u32(msg, DEVLINK_ATTR_PORT_SPLIT_GROUP,
attrs->phys.port_number))
return -EMSGSIZE;
if (nla_put_u32(msg, DEVLINK_ATTR_PORT_SPLIT_SUBPORT_NUMBER,
attrs->phys.split_subport_number))
return -EMSGSIZE;
break;
default:
break;
}
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;
if (!attrs->split)
return 0;
if (nla_put_u32(msg, DEVLINK_ATTR_PORT_SPLIT_GROUP,
attrs->phys.port_number))
return -EMSGSIZE;
if (nla_put_u32(msg, DEVLINK_ATTR_PORT_SPLIT_SUBPORT_NUMBER,
attrs->phys.split_subport_number))
return -EMSGSIZE;
return 0;
}