RDMA/irdma: Cleanup and rename irdma_netdev_vlan_ipv6()

The return value from irdma_netdev_vlan_ipv6() is not used. Rename
the functions and change to a void return.

Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Link: https://lore.kernel.org/r/20230725155505.1069-5-shiraz.saleem@intel.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>

Author: mustafakismail

drivers/infiniband/hw/irdma/cm.c

@@ -1591,21 +1591,20 @@ static u8 irdma_iw_get_vlan_prio(u32 *loc_addr, u8 prio, bool ipv4)
 }
 
 /**
- * irdma_netdev_vlan_ipv6 - Gets the netdev and mac
+ * irdma_get_vlan_mac_ipv6 - Gets the vlan and mac
  * @addr: local IPv6 address
  * @vlan_id: vlan id for the given IPv6 address
  * @mac: mac address for the given IPv6 address
  *
- * Returns the net_device of the IPv6 address and also sets the
- * vlan id and mac for that address.
+ * Returns the vlan id and mac for an IPv6 address.
  */
-struct net_device *irdma_netdev_vlan_ipv6(u32 *addr, u16 *vlan_id, u8 *mac)
+void irdma_get_vlan_mac_ipv6(u32 *addr, u16 *vlan_id, u8 *mac)
 {
 	struct net_device *ip_dev = NULL;
 	struct in6_addr laddr6;
 
 	if (!IS_ENABLED(CONFIG_IPV6))
-		return NULL;
+		return;
 
 	irdma_copy_ip_htonl(laddr6.in6_u.u6_addr32, addr);
 	if (vlan_id)
@@ -1624,8 +1623,6 @@ struct net_device *irdma_netdev_vlan_ipv6(u32 *addr, u16 *vlan_id, u8 *mac)
 		}
 	}
 	rcu_read_unlock();
-
-	return ip_dev;
 }
 
 /**
@@ -3666,8 +3663,8 @@ int irdma_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
 		cm_node->vlan_id = irdma_get_vlan_ipv4(cm_node->loc_addr);
 	} else {
 		cm_node->ipv4 = false;
-		irdma_netdev_vlan_ipv6(cm_node->loc_addr, &cm_node->vlan_id,
-				       NULL);
+		irdma_get_vlan_mac_ipv6(cm_node->loc_addr, &cm_node->vlan_id,
+					NULL);
 	}
 	ibdev_dbg(&iwdev->ibdev, "CM: Accept vlan_id=%d\n",
 		  cm_node->vlan_id);
@@ -3875,8 +3872,8 @@ int irdma_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
 				    raddr6->sin6_addr.in6_u.u6_addr32);
 		cm_info.loc_port = ntohs(laddr6->sin6_port);
 		cm_info.rem_port = ntohs(raddr6->sin6_port);
-		irdma_netdev_vlan_ipv6(cm_info.loc_addr, &cm_info.vlan_id,
-				       NULL);
+		irdma_get_vlan_mac_ipv6(cm_info.loc_addr, &cm_info.vlan_id,
+					NULL);
 	}
 	cm_info.cm_id = cm_id;
 	cm_info.qh_qpid = iwdev->vsi.ilq->qp_id;
@@ -4005,8 +4002,8 @@ int irdma_create_listen(struct iw_cm_id *cm_id, int backlog)
 				    laddr6->sin6_addr.in6_u.u6_addr32);
 		cm_info.loc_port = ntohs(laddr6->sin6_port);
 		if (ipv6_addr_type(&laddr6->sin6_addr) != IPV6_ADDR_ANY) {
-			irdma_netdev_vlan_ipv6(cm_info.loc_addr,
-					       &cm_info.vlan_id, NULL);
+			irdma_get_vlan_mac_ipv6(cm_info.loc_addr,
+						&cm_info.vlan_id, NULL);
 		} else {
 			cm_info.vlan_id = 0xFFFF;
 			wildcard = true;

drivers/infiniband/hw/irdma/main.h

@@ -533,7 +533,7 @@ void irdma_gen_ae(struct irdma_pci_f *rf, struct irdma_sc_qp *qp,
 void irdma_copy_ip_ntohl(u32 *dst, __be32 *src);
 void irdma_copy_ip_htonl(__be32 *dst, u32 *src);
 u16 irdma_get_vlan_ipv4(u32 *addr);
-struct net_device *irdma_netdev_vlan_ipv6(u32 *addr, u16 *vlan_id, u8 *mac);
+void irdma_get_vlan_mac_ipv6(u32 *addr, u16 *vlan_id, u8 *mac);
 struct ib_mr *irdma_reg_phys_mr(struct ib_pd *ib_pd, u64 addr, u64 size,
 				int acc, u64 *iova_start);
 int irdma_upload_qp_context(struct irdma_qp *iwqp, bool freeze, bool raw);

drivers/infiniband/hw/irdma/verbs.c

@@ -3994,7 +3994,7 @@ static int irdma_attach_mcast(struct ib_qp *ibqp, union ib_gid *ibgid, u16 lid)
 	if (!ipv6_addr_v4mapped((struct in6_addr *)ibgid)) {
 		irdma_copy_ip_ntohl(ip_addr,
 				    sgid_addr.saddr_in6.sin6_addr.in6_u.u6_addr32);
-		irdma_netdev_vlan_ipv6(ip_addr, &vlan_id, NULL);
+		irdma_get_vlan_mac_ipv6(ip_addr, &vlan_id, NULL);
 		ipv4 = false;
 		ibdev_dbg(&iwdev->ibdev,
 			  "VERBS: qp_id=%d, IP6address=%pI6\n", ibqp->qp_num,