1 // SPDX-License-Identifier: GPL-2.0-only
2 /****************************************************************************
3 * Driver for Solarflare network controllers and boards
4 * Copyright 2015 Solarflare Communications Inc.
6 #include <linux/etherdevice.h>
8 #include <linux/module.h>
9 #include "net_driver.h"
10 #include "ef10_sriov.h"
13 #include "mcdi_pcol.h"
15 static int efx_ef10_evb_port_assign(struct efx_nic *efx, unsigned int port_id,
18 MCDI_DECLARE_BUF(inbuf, MC_CMD_EVB_PORT_ASSIGN_IN_LEN);
19 struct efx_ef10_nic_data *nic_data = efx->nic_data;
21 MCDI_SET_DWORD(inbuf, EVB_PORT_ASSIGN_IN_PORT_ID, port_id);
22 MCDI_POPULATE_DWORD_2(inbuf, EVB_PORT_ASSIGN_IN_FUNCTION,
23 EVB_PORT_ASSIGN_IN_PF, nic_data->pf_index,
24 EVB_PORT_ASSIGN_IN_VF, vf_fn);
26 return efx_mcdi_rpc(efx, MC_CMD_EVB_PORT_ASSIGN, inbuf, sizeof(inbuf),
30 static int efx_ef10_vswitch_alloc(struct efx_nic *efx, unsigned int port_id,
31 unsigned int vswitch_type)
33 MCDI_DECLARE_BUF(inbuf, MC_CMD_VSWITCH_ALLOC_IN_LEN);
36 MCDI_SET_DWORD(inbuf, VSWITCH_ALLOC_IN_UPSTREAM_PORT_ID, port_id);
37 MCDI_SET_DWORD(inbuf, VSWITCH_ALLOC_IN_TYPE, vswitch_type);
38 MCDI_SET_DWORD(inbuf, VSWITCH_ALLOC_IN_NUM_VLAN_TAGS, 2);
39 MCDI_POPULATE_DWORD_1(inbuf, VSWITCH_ALLOC_IN_FLAGS,
40 VSWITCH_ALLOC_IN_FLAG_AUTO_PORT, 0);
42 /* Quietly try to allocate 2 VLAN tags */
43 rc = efx_mcdi_rpc_quiet(efx, MC_CMD_VSWITCH_ALLOC, inbuf, sizeof(inbuf),
46 /* If 2 VLAN tags is too many, revert to trying with 1 VLAN tags */
48 MCDI_SET_DWORD(inbuf, VSWITCH_ALLOC_IN_NUM_VLAN_TAGS, 1);
49 rc = efx_mcdi_rpc(efx, MC_CMD_VSWITCH_ALLOC, inbuf,
50 sizeof(inbuf), NULL, 0, NULL);
52 efx_mcdi_display_error(efx, MC_CMD_VSWITCH_ALLOC,
53 MC_CMD_VSWITCH_ALLOC_IN_LEN,
59 static int efx_ef10_vswitch_free(struct efx_nic *efx, unsigned int port_id)
61 MCDI_DECLARE_BUF(inbuf, MC_CMD_VSWITCH_FREE_IN_LEN);
63 MCDI_SET_DWORD(inbuf, VSWITCH_FREE_IN_UPSTREAM_PORT_ID, port_id);
65 return efx_mcdi_rpc(efx, MC_CMD_VSWITCH_FREE, inbuf, sizeof(inbuf),
69 static int efx_ef10_vport_alloc(struct efx_nic *efx,
70 unsigned int port_id_in,
71 unsigned int vport_type,
73 unsigned int *port_id_out)
75 MCDI_DECLARE_BUF(inbuf, MC_CMD_VPORT_ALLOC_IN_LEN);
76 MCDI_DECLARE_BUF(outbuf, MC_CMD_VPORT_ALLOC_OUT_LEN);
80 EFX_WARN_ON_PARANOID(!port_id_out);
82 MCDI_SET_DWORD(inbuf, VPORT_ALLOC_IN_UPSTREAM_PORT_ID, port_id_in);
83 MCDI_SET_DWORD(inbuf, VPORT_ALLOC_IN_TYPE, vport_type);
84 MCDI_SET_DWORD(inbuf, VPORT_ALLOC_IN_NUM_VLAN_TAGS,
85 (vlan != EFX_EF10_NO_VLAN));
86 MCDI_POPULATE_DWORD_1(inbuf, VPORT_ALLOC_IN_FLAGS,
87 VPORT_ALLOC_IN_FLAG_AUTO_PORT, 0);
88 if (vlan != EFX_EF10_NO_VLAN)
89 MCDI_POPULATE_DWORD_1(inbuf, VPORT_ALLOC_IN_VLAN_TAGS,
90 VPORT_ALLOC_IN_VLAN_TAG_0, vlan);
92 rc = efx_mcdi_rpc(efx, MC_CMD_VPORT_ALLOC, inbuf, sizeof(inbuf),
93 outbuf, sizeof(outbuf), &outlen);
96 if (outlen < MC_CMD_VPORT_ALLOC_OUT_LEN)
99 *port_id_out = MCDI_DWORD(outbuf, VPORT_ALLOC_OUT_VPORT_ID);
103 static int efx_ef10_vport_free(struct efx_nic *efx, unsigned int port_id)
105 MCDI_DECLARE_BUF(inbuf, MC_CMD_VPORT_FREE_IN_LEN);
107 MCDI_SET_DWORD(inbuf, VPORT_FREE_IN_VPORT_ID, port_id);
109 return efx_mcdi_rpc(efx, MC_CMD_VPORT_FREE, inbuf, sizeof(inbuf),
113 static void efx_ef10_sriov_free_vf_vports(struct efx_nic *efx)
115 struct efx_ef10_nic_data *nic_data = efx->nic_data;
121 for (i = 0; i < efx->vf_count; i++) {
122 struct ef10_vf *vf = nic_data->vf + i;
124 /* If VF is assigned, do not free the vport */
125 if (vf->pci_dev && pci_is_dev_assigned(vf->pci_dev))
128 if (vf->vport_assigned) {
129 efx_ef10_evb_port_assign(efx, EVB_PORT_ID_NULL, i);
130 vf->vport_assigned = 0;
133 if (!is_zero_ether_addr(vf->mac)) {
134 efx_ef10_vport_del_mac(efx, vf->vport_id, vf->mac);
135 eth_zero_addr(vf->mac);
139 efx_ef10_vport_free(efx, vf->vport_id);
147 static void efx_ef10_sriov_free_vf_vswitching(struct efx_nic *efx)
149 struct efx_ef10_nic_data *nic_data = efx->nic_data;
151 efx_ef10_sriov_free_vf_vports(efx);
156 static int efx_ef10_sriov_assign_vf_vport(struct efx_nic *efx,
159 struct efx_ef10_nic_data *nic_data = efx->nic_data;
160 struct ef10_vf *vf = nic_data->vf + vf_i;
163 if (WARN_ON_ONCE(!nic_data->vf))
166 rc = efx_ef10_vport_alloc(efx, EVB_PORT_ID_ASSIGNED,
167 MC_CMD_VPORT_ALLOC_IN_VPORT_TYPE_NORMAL,
168 vf->vlan, &vf->vport_id);
172 rc = efx_ef10_vport_add_mac(efx, vf->vport_id, vf->mac);
174 eth_zero_addr(vf->mac);
178 rc = efx_ef10_evb_port_assign(efx, vf->vport_id, vf_i);
182 vf->vport_assigned = 1;
186 static int efx_ef10_sriov_alloc_vf_vswitching(struct efx_nic *efx)
188 struct efx_ef10_nic_data *nic_data = efx->nic_data;
192 nic_data->vf = kcalloc(efx->vf_count, sizeof(struct ef10_vf),
197 for (i = 0; i < efx->vf_count; i++) {
198 eth_random_addr(nic_data->vf[i].mac);
199 nic_data->vf[i].efx = NULL;
200 nic_data->vf[i].vlan = EFX_EF10_NO_VLAN;
202 rc = efx_ef10_sriov_assign_vf_vport(efx, i);
209 efx_ef10_sriov_free_vf_vswitching(efx);
213 static int efx_ef10_sriov_restore_vf_vswitching(struct efx_nic *efx)
218 for (i = 0; i < efx->vf_count; i++) {
219 rc = efx_ef10_sriov_assign_vf_vport(efx, i);
226 efx_ef10_sriov_free_vf_vswitching(efx);
230 static int efx_ef10_vadaptor_alloc_set_features(struct efx_nic *efx)
235 rc = efx_ef10_vadaptor_alloc(efx, efx->vport_id);
237 goto fail_vadaptor_alloc;
239 rc = efx_ef10_vadaptor_query(efx, efx->vport_id,
240 &port_flags, NULL, NULL);
242 goto fail_vadaptor_query;
245 (1 << MC_CMD_VPORT_ALLOC_IN_FLAG_VLAN_RESTRICT_LBN))
246 efx->fixed_features |= NETIF_F_HW_VLAN_CTAG_FILTER;
248 efx->fixed_features &= ~NETIF_F_HW_VLAN_CTAG_FILTER;
253 efx_ef10_vadaptor_free(efx, EVB_PORT_ID_ASSIGNED);
258 /* On top of the default firmware vswitch setup, create a VEB vswitch and
259 * expansion vport for use by this function.
261 int efx_ef10_vswitching_probe_pf(struct efx_nic *efx)
263 struct efx_ef10_nic_data *nic_data = efx->nic_data;
264 struct net_device *net_dev = efx->net_dev;
267 if (pci_sriov_get_totalvfs(efx->pci_dev) <= 0) {
268 /* vswitch not needed as we have no VFs */
269 efx_ef10_vadaptor_alloc_set_features(efx);
273 rc = efx_ef10_vswitch_alloc(efx, EVB_PORT_ID_ASSIGNED,
274 MC_CMD_VSWITCH_ALLOC_IN_VSWITCH_TYPE_VEB);
278 rc = efx_ef10_vport_alloc(efx, EVB_PORT_ID_ASSIGNED,
279 MC_CMD_VPORT_ALLOC_IN_VPORT_TYPE_NORMAL,
280 EFX_EF10_NO_VLAN, &efx->vport_id);
284 rc = efx_ef10_vport_add_mac(efx, efx->vport_id, net_dev->dev_addr);
287 ether_addr_copy(nic_data->vport_mac, net_dev->dev_addr);
289 rc = efx_ef10_vadaptor_alloc_set_features(efx);
295 efx_ef10_vport_del_mac(efx, efx->vport_id, nic_data->vport_mac);
296 eth_zero_addr(nic_data->vport_mac);
298 efx_ef10_vport_free(efx, efx->vport_id);
299 efx->vport_id = EVB_PORT_ID_ASSIGNED;
301 efx_ef10_vswitch_free(efx, EVB_PORT_ID_ASSIGNED);
306 int efx_ef10_vswitching_probe_vf(struct efx_nic *efx)
308 return efx_ef10_vadaptor_alloc_set_features(efx);
311 int efx_ef10_vswitching_restore_pf(struct efx_nic *efx)
313 struct efx_ef10_nic_data *nic_data = efx->nic_data;
316 if (!nic_data->must_probe_vswitching)
319 rc = efx_ef10_vswitching_probe_pf(efx);
323 rc = efx_ef10_sriov_restore_vf_vswitching(efx);
327 nic_data->must_probe_vswitching = false;
332 int efx_ef10_vswitching_restore_vf(struct efx_nic *efx)
334 struct efx_ef10_nic_data *nic_data = efx->nic_data;
337 if (!nic_data->must_probe_vswitching)
340 rc = efx_ef10_vadaptor_free(efx, EVB_PORT_ID_ASSIGNED);
344 nic_data->must_probe_vswitching = false;
348 void efx_ef10_vswitching_remove_pf(struct efx_nic *efx)
350 struct efx_ef10_nic_data *nic_data = efx->nic_data;
352 efx_ef10_sriov_free_vf_vswitching(efx);
354 efx_ef10_vadaptor_free(efx, efx->vport_id);
356 if (efx->vport_id == EVB_PORT_ID_ASSIGNED)
357 return; /* No vswitch was ever created */
359 if (!is_zero_ether_addr(nic_data->vport_mac)) {
360 efx_ef10_vport_del_mac(efx, efx->vport_id,
361 efx->net_dev->dev_addr);
362 eth_zero_addr(nic_data->vport_mac);
364 efx_ef10_vport_free(efx, efx->vport_id);
365 efx->vport_id = EVB_PORT_ID_ASSIGNED;
367 /* Only free the vswitch if no VFs are assigned */
368 if (!pci_vfs_assigned(efx->pci_dev))
369 efx_ef10_vswitch_free(efx, efx->vport_id);
372 void efx_ef10_vswitching_remove_vf(struct efx_nic *efx)
374 efx_ef10_vadaptor_free(efx, EVB_PORT_ID_ASSIGNED);
377 static int efx_ef10_pci_sriov_enable(struct efx_nic *efx, int num_vfs)
380 struct pci_dev *dev = efx->pci_dev;
382 efx->vf_count = num_vfs;
384 rc = efx_ef10_sriov_alloc_vf_vswitching(efx);
388 rc = pci_enable_sriov(dev, num_vfs);
394 efx_ef10_sriov_free_vf_vswitching(efx);
397 netif_err(efx, probe, efx->net_dev,
398 "Failed to enable SRIOV VFs\n");
402 /* Disable SRIOV and remove VFs
403 * If some VFs are attached to a guest (using Xen, only) nothing is
404 * done if force=false, and vports are freed if force=true (for the non
405 * attachedc ones, only) but SRIOV is not disabled and VFs are not
406 * removed in either case.
408 static int efx_ef10_pci_sriov_disable(struct efx_nic *efx, bool force)
410 struct pci_dev *dev = efx->pci_dev;
411 struct efx_ef10_nic_data *nic_data = efx->nic_data;
412 unsigned int vfs_assigned = pci_vfs_assigned(dev);
415 if (vfs_assigned && !force) {
416 netif_info(efx, drv, efx->net_dev, "VFs are assigned to guests; "
417 "please detach them before disabling SR-IOV\n");
422 for (i = 0; i < efx->vf_count; i++)
423 nic_data->vf[i].pci_dev = NULL;
424 pci_disable_sriov(dev);
429 efx_ef10_sriov_free_vf_vswitching(efx);
434 int efx_ef10_sriov_configure(struct efx_nic *efx, int num_vfs)
437 return efx_ef10_pci_sriov_disable(efx, false);
439 return efx_ef10_pci_sriov_enable(efx, num_vfs);
442 int efx_ef10_sriov_init(struct efx_nic *efx)
447 void efx_ef10_sriov_fini(struct efx_nic *efx)
449 struct efx_ef10_nic_data *nic_data = efx->nic_data;
453 /* Remove any un-assigned orphaned VFs. This can happen if the PF driver
454 * was unloaded while any VF was assigned to a guest (using Xen, only).
456 if (pci_num_vf(efx->pci_dev) && !pci_vfs_assigned(efx->pci_dev))
457 pci_disable_sriov(efx->pci_dev);
461 /* Disable SRIOV and remove any VFs in the host */
462 rc = efx_ef10_pci_sriov_disable(efx, true);
464 netif_dbg(efx, drv, efx->net_dev,
465 "Disabling SRIOV was not successful rc=%d\n", rc);
467 netif_dbg(efx, drv, efx->net_dev, "SRIOV disabled\n");
470 static int efx_ef10_vport_del_vf_mac(struct efx_nic *efx, unsigned int port_id,
473 MCDI_DECLARE_BUF(inbuf, MC_CMD_VPORT_DEL_MAC_ADDRESS_IN_LEN);
474 MCDI_DECLARE_BUF_ERR(outbuf);
478 MCDI_SET_DWORD(inbuf, VPORT_DEL_MAC_ADDRESS_IN_VPORT_ID, port_id);
479 ether_addr_copy(MCDI_PTR(inbuf, VPORT_DEL_MAC_ADDRESS_IN_MACADDR), mac);
481 rc = efx_mcdi_rpc(efx, MC_CMD_VPORT_DEL_MAC_ADDRESS, inbuf,
482 sizeof(inbuf), outbuf, sizeof(outbuf), &outlen);
487 int efx_ef10_sriov_set_vf_mac(struct efx_nic *efx, int vf_i, const u8 *mac)
489 struct efx_ef10_nic_data *nic_data = efx->nic_data;
496 if (vf_i >= efx->vf_count)
498 vf = nic_data->vf + vf_i;
501 efx_device_detach_sync(vf->efx);
502 efx_net_stop(vf->efx->net_dev);
504 down_write(&vf->efx->filter_sem);
505 vf->efx->type->filter_table_remove(vf->efx);
507 rc = efx_ef10_vadaptor_free(vf->efx, EVB_PORT_ID_ASSIGNED);
509 up_write(&vf->efx->filter_sem);
514 rc = efx_ef10_evb_port_assign(efx, EVB_PORT_ID_NULL, vf_i);
518 if (!is_zero_ether_addr(vf->mac)) {
519 rc = efx_ef10_vport_del_vf_mac(efx, vf->vport_id, vf->mac);
524 if (!is_zero_ether_addr(mac)) {
525 rc = efx_ef10_vport_add_mac(efx, vf->vport_id, mac);
530 eth_hw_addr_set(vf->efx->net_dev, mac);
533 ether_addr_copy(vf->mac, mac);
535 rc = efx_ef10_evb_port_assign(efx, vf->vport_id, vf_i);
540 /* VF cannot use the vport_id that the PF created */
541 rc = efx_ef10_vadaptor_alloc(vf->efx, EVB_PORT_ID_ASSIGNED);
543 up_write(&vf->efx->filter_sem);
546 vf->efx->type->filter_table_probe(vf->efx);
547 up_write(&vf->efx->filter_sem);
548 efx_net_open(vf->efx->net_dev);
549 efx_device_attach_if_not_resetting(vf->efx);
555 eth_zero_addr(vf->mac);
559 int efx_ef10_sriov_set_vf_vlan(struct efx_nic *efx, int vf_i, u16 vlan,
562 struct efx_ef10_nic_data *nic_data = efx->nic_data;
567 if (vf_i >= efx->vf_count)
572 vf = nic_data->vf + vf_i;
574 new_vlan = (vlan == 0) ? EFX_EF10_NO_VLAN : vlan;
575 if (new_vlan == vf->vlan)
579 efx_device_detach_sync(vf->efx);
580 efx_net_stop(vf->efx->net_dev);
582 mutex_lock(&vf->efx->mac_lock);
583 down_write(&vf->efx->filter_sem);
584 vf->efx->type->filter_table_remove(vf->efx);
586 rc = efx_ef10_vadaptor_free(vf->efx, EVB_PORT_ID_ASSIGNED);
588 goto restore_filters;
591 if (vf->vport_assigned) {
592 rc = efx_ef10_evb_port_assign(efx, EVB_PORT_ID_NULL, vf_i);
594 netif_warn(efx, drv, efx->net_dev,
595 "Failed to change vlan on VF %d.\n", vf_i);
596 netif_warn(efx, drv, efx->net_dev,
597 "This is likely because the VF is bound to a driver in a VM.\n");
598 netif_warn(efx, drv, efx->net_dev,
599 "Please unload the driver in the VM.\n");
600 goto restore_vadaptor;
602 vf->vport_assigned = 0;
605 if (!is_zero_ether_addr(vf->mac)) {
606 rc = efx_ef10_vport_del_mac(efx, vf->vport_id, vf->mac);
608 goto restore_evb_port;
612 rc = efx_ef10_vport_free(efx, vf->vport_id);
618 /* Do the actual vlan change */
621 /* Restore everything in reverse order */
622 rc = efx_ef10_vport_alloc(efx, EVB_PORT_ID_ASSIGNED,
623 MC_CMD_VPORT_ALLOC_IN_VPORT_TYPE_NORMAL,
624 vf->vlan, &vf->vport_id);
626 goto reset_nic_up_write;
629 if (!is_zero_ether_addr(vf->mac)) {
630 rc2 = efx_ef10_vport_add_mac(efx, vf->vport_id, vf->mac);
632 eth_zero_addr(vf->mac);
633 goto reset_nic_up_write;
638 rc2 = efx_ef10_evb_port_assign(efx, vf->vport_id, vf_i);
640 goto reset_nic_up_write;
642 vf->vport_assigned = 1;
646 rc2 = efx_ef10_vadaptor_alloc(vf->efx, EVB_PORT_ID_ASSIGNED);
648 goto reset_nic_up_write;
653 rc2 = vf->efx->type->filter_table_probe(vf->efx);
655 goto reset_nic_up_write;
657 up_write(&vf->efx->filter_sem);
658 mutex_unlock(&vf->efx->mac_lock);
660 rc2 = efx_net_open(vf->efx->net_dev);
664 efx_device_attach_if_not_resetting(vf->efx);
670 up_write(&vf->efx->filter_sem);
671 mutex_unlock(&vf->efx->mac_lock);
675 netif_err(efx, drv, efx->net_dev,
676 "Failed to restore VF - scheduling reset.\n");
677 efx_schedule_reset(vf->efx, RESET_TYPE_DATAPATH);
679 netif_err(efx, drv, efx->net_dev,
680 "Failed to restore the VF and cannot reset the VF "
681 "- VF is not functional.\n");
682 netif_err(efx, drv, efx->net_dev,
683 "Please reload the driver attached to the VF.\n");
686 return rc ? rc : rc2;
689 static int efx_ef10_sriov_set_privilege_mask(struct efx_nic *efx, int vf_i,
692 MCDI_DECLARE_BUF(pm_outbuf, MC_CMD_PRIVILEGE_MASK_OUT_LEN);
693 MCDI_DECLARE_BUF(pm_inbuf, MC_CMD_PRIVILEGE_MASK_IN_LEN);
694 struct efx_ef10_nic_data *nic_data = efx->nic_data;
695 u32 old_mask, new_mask;
699 EFX_WARN_ON_PARANOID((value & ~mask) != 0);
701 /* Get privilege mask */
702 MCDI_POPULATE_DWORD_2(pm_inbuf, PRIVILEGE_MASK_IN_FUNCTION,
703 PRIVILEGE_MASK_IN_FUNCTION_PF, nic_data->pf_index,
704 PRIVILEGE_MASK_IN_FUNCTION_VF, vf_i);
706 rc = efx_mcdi_rpc(efx, MC_CMD_PRIVILEGE_MASK,
707 pm_inbuf, sizeof(pm_inbuf),
708 pm_outbuf, sizeof(pm_outbuf), &outlen);
712 if (outlen != MC_CMD_PRIVILEGE_MASK_OUT_LEN)
715 old_mask = MCDI_DWORD(pm_outbuf, PRIVILEGE_MASK_OUT_OLD_MASK);
717 new_mask = old_mask & ~mask;
720 if (new_mask == old_mask)
723 new_mask |= MC_CMD_PRIVILEGE_MASK_IN_DO_CHANGE;
725 /* Set privilege mask */
726 MCDI_SET_DWORD(pm_inbuf, PRIVILEGE_MASK_IN_NEW_MASK, new_mask);
728 rc = efx_mcdi_rpc(efx, MC_CMD_PRIVILEGE_MASK,
729 pm_inbuf, sizeof(pm_inbuf),
730 pm_outbuf, sizeof(pm_outbuf), &outlen);
734 if (outlen != MC_CMD_PRIVILEGE_MASK_OUT_LEN)
740 int efx_ef10_sriov_set_vf_spoofchk(struct efx_nic *efx, int vf_i, bool spoofchk)
742 struct efx_ef10_nic_data *nic_data = efx->nic_data;
744 /* Can't enable spoofchk if firmware doesn't support it. */
745 if (!(nic_data->datapath_caps &
746 BIT(MC_CMD_GET_CAPABILITIES_OUT_TX_MAC_SECURITY_FILTERING_LBN)) &&
750 return efx_ef10_sriov_set_privilege_mask(efx, vf_i,
751 MC_CMD_PRIVILEGE_MASK_IN_GRP_MAC_SPOOFING_TX,
752 spoofchk ? 0 : MC_CMD_PRIVILEGE_MASK_IN_GRP_MAC_SPOOFING_TX);
755 int efx_ef10_sriov_set_vf_link_state(struct efx_nic *efx, int vf_i,
758 MCDI_DECLARE_BUF(inbuf, MC_CMD_LINK_STATE_MODE_IN_LEN);
759 struct efx_ef10_nic_data *nic_data = efx->nic_data;
761 BUILD_BUG_ON(IFLA_VF_LINK_STATE_AUTO !=
762 MC_CMD_LINK_STATE_MODE_IN_LINK_STATE_AUTO);
763 BUILD_BUG_ON(IFLA_VF_LINK_STATE_ENABLE !=
764 MC_CMD_LINK_STATE_MODE_IN_LINK_STATE_UP);
765 BUILD_BUG_ON(IFLA_VF_LINK_STATE_DISABLE !=
766 MC_CMD_LINK_STATE_MODE_IN_LINK_STATE_DOWN);
767 MCDI_POPULATE_DWORD_2(inbuf, LINK_STATE_MODE_IN_FUNCTION,
768 LINK_STATE_MODE_IN_FUNCTION_PF,
770 LINK_STATE_MODE_IN_FUNCTION_VF, vf_i);
771 MCDI_SET_DWORD(inbuf, LINK_STATE_MODE_IN_NEW_MODE, link_state);
772 return efx_mcdi_rpc(efx, MC_CMD_LINK_STATE_MODE, inbuf, sizeof(inbuf),
773 NULL, 0, NULL); /* don't care what old mode was */
776 int efx_ef10_sriov_get_vf_config(struct efx_nic *efx, int vf_i,
777 struct ifla_vf_info *ivf)
779 MCDI_DECLARE_BUF(inbuf, MC_CMD_LINK_STATE_MODE_IN_LEN);
780 MCDI_DECLARE_BUF(outbuf, MC_CMD_LINK_STATE_MODE_OUT_LEN);
782 struct efx_ef10_nic_data *nic_data = efx->nic_data;
787 if (vf_i >= efx->vf_count)
793 vf = nic_data->vf + vf_i;
796 ivf->min_tx_rate = 0;
797 ivf->max_tx_rate = 0;
798 ether_addr_copy(ivf->mac, vf->mac);
799 ivf->vlan = (vf->vlan == EFX_EF10_NO_VLAN) ? 0 : vf->vlan;
802 MCDI_POPULATE_DWORD_2(inbuf, LINK_STATE_MODE_IN_FUNCTION,
803 LINK_STATE_MODE_IN_FUNCTION_PF,
805 LINK_STATE_MODE_IN_FUNCTION_VF, vf_i);
806 MCDI_SET_DWORD(inbuf, LINK_STATE_MODE_IN_NEW_MODE,
807 MC_CMD_LINK_STATE_MODE_IN_DO_NOT_CHANGE);
808 rc = efx_mcdi_rpc(efx, MC_CMD_LINK_STATE_MODE, inbuf, sizeof(inbuf),
809 outbuf, sizeof(outbuf), &outlen);
812 if (outlen < MC_CMD_LINK_STATE_MODE_OUT_LEN)
814 ivf->linkstate = MCDI_DWORD(outbuf, LINK_STATE_MODE_OUT_OLD_MODE);