sfc: Implement ndo_gets_phys_port_id() for EF10 VFs

Signed-off-by: Shradha Shah <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

drivers/net/ethernet/sfc/ef10.c

···
 
 	efx_ptp_probe(efx, NULL);
 
+#ifdef CONFIG_SFC_SRIOV
+	if ((efx->pci_dev->physfn) && (!efx->pci_dev->is_physfn)) {
+		struct pci_dev *pci_dev_pf = efx->pci_dev->physfn;
+		struct efx_nic *efx_pf = pci_get_drvdata(pci_dev_pf);
+
+		efx_pf->type->get_mac_address(efx_pf, nic_data->port_id);
+	} else
+#endif
+		ether_addr_copy(nic_data->port_id, efx->net_dev->perm_addr);
+
 	return 0;
 
 fail5:
···
 	.vswitching_probe = efx_ef10_vswitching_probe_vf,
 	.vswitching_restore = efx_ef10_vswitching_restore_vf,
 	.vswitching_remove = efx_ef10_vswitching_remove_vf,
+	.sriov_get_phys_port_id = efx_ef10_sriov_get_phys_port_id,
 #endif
 	.get_mac_address = efx_ef10_get_mac_address_vf,
 	.set_mac_address = efx_ef10_set_mac_address,

drivers/net/ethernet/sfc/ef10_sriov.c

···
 
 	return 0;
 }
+
+int efx_ef10_sriov_get_phys_port_id(struct efx_nic *efx,
+				    struct netdev_phys_item_id *ppid)
+{
+	struct efx_ef10_nic_data *nic_data = efx->nic_data;
+
+	if (!is_valid_ether_addr(nic_data->port_id))
+		return -EOPNOTSUPP;
+
+	ppid->id_len = ETH_ALEN;
+	memcpy(ppid->id, nic_data->port_id, ppid->id_len);
+
+	return 0;
+}

drivers/net/ethernet/sfc/ef10_sriov.h

···
 int efx_ef10_sriov_set_vf_link_state(struct efx_nic *efx, int vf_i,
 				     int link_state);
 
+int efx_ef10_sriov_get_phys_port_id(struct efx_nic *efx,
+				    struct netdev_phys_item_id *ppid);
+
 int efx_ef10_vswitching_probe_pf(struct efx_nic *efx);
 int efx_ef10_vswitching_probe_vf(struct efx_nic *efx);
 int efx_ef10_vswitching_restore_pf(struct efx_nic *efx);

drivers/net/ethernet/sfc/efx.c

···
 	.ndo_set_vf_spoofchk	= efx_sriov_set_vf_spoofchk,
 	.ndo_get_vf_config	= efx_sriov_get_vf_config,
 	.ndo_set_vf_link_state  = efx_sriov_set_vf_link_state,
+	.ndo_get_phys_port_id   = efx_sriov_get_phys_port_id,
 #endif
 #ifdef CONFIG_NET_POLL_CONTROLLER
 	.ndo_poll_controller = efx_netpoll,

drivers/net/ethernet/sfc/net_driver.h

···
 				   struct ifla_vf_info *ivi);
 	int (*sriov_set_vf_link_state)(struct efx_nic *efx, int vf_i,
 				       int link_state);
+	int (*sriov_get_phys_port_id)(struct efx_nic *efx,
+				      struct netdev_phys_item_id *ppid);
 	int (*vswitching_probe)(struct efx_nic *efx);
 	int (*vswitching_restore)(struct efx_nic *efx);
 	void (*vswitching_remove)(struct efx_nic *efx);

drivers/net/ethernet/sfc/nic.h

···
 	unsigned int vport_id;
 	bool must_probe_vswitching;
 	unsigned int pf_index;
+	u8 port_id[ETH_ALEN];
 #ifdef CONFIG_SFC_SRIOV
 	unsigned int vf_index;
 	struct ef10_vf *vf;

drivers/net/ethernet/sfc/sriov.c

···
 	else
 		return -EOPNOTSUPP;
 }
+
+int efx_sriov_get_phys_port_id(struct net_device *net_dev,
+			       struct netdev_phys_item_id *ppid)
+{
+	struct efx_nic *efx = netdev_priv(net_dev);
+
+	if (efx->type->sriov_get_phys_port_id)
+		return efx->type->sriov_get_phys_port_id(efx, ppid);
+	else
+		return -EOPNOTSUPP;
+}

drivers/net/ethernet/sfc/sriov.h

···
 			    struct ifla_vf_info *ivi);
 int efx_sriov_set_vf_link_state(struct net_device *net_dev, int vf_i,
 				int link_state);
+int efx_sriov_get_phys_port_id(struct net_device *net_dev,
+			       struct netdev_phys_item_id *ppid);
 
 #endif /* CONFIG_SFC_SRIOV */