Merge branch 'Minor-cleanup-in-devlink'

Parav Pandit says:

====================
Minor cleanup in devlink

Two minor cleanup in devlink.

Patch-1 Explicitly defines devlink port index as unsigned int
Patch-2 Uses switch-case to handle different port flavours attributes
====================
Acked-by: NJakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

include/net/devlink.h

@@ -75,7 +75,7 @@ struct devlink_port {
 	struct list_head list;
 	struct list_head param_list;
 	struct devlink *devlink;
-	unsigned index;
+	unsigned int index;
 	bool registered;
 	spinlock_t type_lock; /* Protects type and type_dev
 			       * pointer consistency.

net/core/devlink.c

@@ -136,7 +136,7 @@ static struct devlink *devlink_get_from_info(struct genl_info *info)
 }
 
 static struct devlink_port *devlink_port_get_by_index(struct devlink *devlink,
-						      int port_index)
+						      unsigned int port_index)
 {
 	struct devlink_port *devlink_port;
 
@@ -147,7 +147,8 @@ static struct devlink_port *devlink_port_get_by_index(struct devlink *devlink,
 	return NULL;
 }
 
-static bool devlink_port_index_exists(struct devlink *devlink, int port_index)
+static bool devlink_port_index_exists(struct devlink *devlink,
+				      unsigned int port_index)
 {
 	return devlink_port_get_by_index(devlink, port_index);
 }
@@ -509,32 +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;
 }