2018-09-20 08:42:55 +08:00
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// SPDX-License-Identifier: GPL-2.0
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/* Copyright (c) 2018, Intel Corporation. */
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#include "ice.h"
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#include "ice_lib.h"
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2019-02-14 02:51:13 +08:00
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/**
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* ice_err_to_virt err - translate errors for VF return code
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* @ice_err: error return code
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*/
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static enum virtchnl_status_code ice_err_to_virt_err(enum ice_status ice_err)
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{
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switch (ice_err) {
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case ICE_SUCCESS:
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return VIRTCHNL_STATUS_SUCCESS;
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case ICE_ERR_BAD_PTR:
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case ICE_ERR_INVAL_SIZE:
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case ICE_ERR_DEVICE_NOT_SUPPORTED:
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case ICE_ERR_PARAM:
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case ICE_ERR_CFG:
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return VIRTCHNL_STATUS_ERR_PARAM;
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case ICE_ERR_NO_MEMORY:
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return VIRTCHNL_STATUS_ERR_NO_MEMORY;
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case ICE_ERR_NOT_READY:
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case ICE_ERR_RESET_FAILED:
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case ICE_ERR_FW_API_VER:
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case ICE_ERR_AQ_ERROR:
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case ICE_ERR_AQ_TIMEOUT:
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case ICE_ERR_AQ_FULL:
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case ICE_ERR_AQ_NO_WORK:
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case ICE_ERR_AQ_EMPTY:
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return VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR;
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default:
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return VIRTCHNL_STATUS_ERR_NOT_SUPPORTED;
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}
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}
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2018-09-20 08:42:57 +08:00
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/**
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* ice_vc_vf_broadcast - Broadcast a message to all VFs on PF
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* @pf: pointer to the PF structure
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* @v_opcode: operation code
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* @v_retval: return value
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* @msg: pointer to the msg buffer
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* @msglen: msg length
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*/
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static void
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ice_vc_vf_broadcast(struct ice_pf *pf, enum virtchnl_ops v_opcode,
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2019-02-14 02:51:13 +08:00
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enum virtchnl_status_code v_retval, u8 *msg, u16 msglen)
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2018-09-20 08:42:57 +08:00
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{
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struct ice_hw *hw = &pf->hw;
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struct ice_vf *vf = pf->vf;
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int i;
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for (i = 0; i < pf->num_alloc_vfs; i++, vf++) {
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/* Not all vfs are enabled so skip the ones that are not */
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if (!test_bit(ICE_VF_STATE_INIT, vf->vf_states) &&
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!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states))
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continue;
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/* Ignore return value on purpose - a given VF may fail, but
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* we need to keep going and send to all of them
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*/
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ice_aq_send_msg_to_vf(hw, vf->vf_id, v_opcode, v_retval, msg,
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msglen, NULL);
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}
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}
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2018-09-20 08:42:58 +08:00
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/**
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* ice_set_pfe_link - Set the link speed/status of the virtchnl_pf_event
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* @vf: pointer to the VF structure
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* @pfe: pointer to the virtchnl_pf_event to set link speed/status for
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* @ice_link_speed: link speed specified by ICE_AQ_LINK_SPEED_*
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* @link_up: whether or not to set the link up/down
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*/
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static void
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ice_set_pfe_link(struct ice_vf *vf, struct virtchnl_pf_event *pfe,
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int ice_link_speed, bool link_up)
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{
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if (vf->driver_caps & VIRTCHNL_VF_CAP_ADV_LINK_SPEED) {
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pfe->event_data.link_event_adv.link_status = link_up;
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/* Speed in Mbps */
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pfe->event_data.link_event_adv.link_speed =
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ice_conv_link_speed_to_virtchnl(true, ice_link_speed);
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} else {
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pfe->event_data.link_event.link_status = link_up;
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/* Legacy method for virtchnl link speeds */
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pfe->event_data.link_event.link_speed =
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(enum virtchnl_link_speed)
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ice_conv_link_speed_to_virtchnl(false, ice_link_speed);
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}
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}
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/**
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* ice_set_pfe_link_forced - Force the virtchnl_pf_event link speed/status
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* @vf: pointer to the VF structure
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* @pfe: pointer to the virtchnl_pf_event to set link speed/status for
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* @link_up: whether or not to set the link up/down
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*/
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static void
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ice_set_pfe_link_forced(struct ice_vf *vf, struct virtchnl_pf_event *pfe,
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bool link_up)
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{
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u16 link_speed;
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if (link_up)
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link_speed = ICE_AQ_LINK_SPEED_40GB;
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else
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link_speed = ICE_AQ_LINK_SPEED_UNKNOWN;
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ice_set_pfe_link(vf, pfe, link_speed, link_up);
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}
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2018-09-20 08:42:59 +08:00
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/**
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* ice_vc_notify_vf_link_state - Inform a VF of link status
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* @vf: pointer to the VF structure
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*
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* send a link status message to a single VF
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*/
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static void ice_vc_notify_vf_link_state(struct ice_vf *vf)
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{
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struct virtchnl_pf_event pfe = { 0 };
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struct ice_link_status *ls;
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struct ice_pf *pf = vf->pf;
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struct ice_hw *hw;
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hw = &pf->hw;
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ls = &hw->port_info->phy.link_info;
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pfe.event = VIRTCHNL_EVENT_LINK_CHANGE;
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pfe.severity = PF_EVENT_SEVERITY_INFO;
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if (vf->link_forced)
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ice_set_pfe_link_forced(vf, &pfe, vf->link_up);
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else
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ice_set_pfe_link(vf, &pfe, ls->link_speed, ls->link_info &
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ICE_AQ_LINK_UP);
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2019-02-14 02:51:13 +08:00
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ice_aq_send_msg_to_vf(hw, vf->vf_id, VIRTCHNL_OP_EVENT,
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VIRTCHNL_STATUS_SUCCESS, (u8 *)&pfe,
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2018-09-20 08:42:59 +08:00
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sizeof(pfe), NULL);
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}
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2018-09-20 08:42:55 +08:00
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/**
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* ice_get_vf_vector - get VF interrupt vector register offset
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* @vf_msix: number of MSIx vector per VF on a PF
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* @vf_id: VF identifier
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* @i: index of MSIx vector
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*/
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static u32 ice_get_vf_vector(int vf_msix, int vf_id, int i)
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{
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return ((i == 0) ? VFINT_DYN_CTLN(vf_id) :
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VFINT_DYN_CTLN(((vf_msix - 1) * (vf_id)) + (i - 1)));
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}
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/**
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* ice_free_vf_res - Free a VF's resources
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* @vf: pointer to the VF info
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*/
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static void ice_free_vf_res(struct ice_vf *vf)
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{
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struct ice_pf *pf = vf->pf;
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int i, pf_vf_msix;
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/* First, disable VF's configuration API to prevent OS from
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* accessing the VF's VSI after it's freed or invalidated.
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*/
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clear_bit(ICE_VF_STATE_INIT, vf->vf_states);
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/* free vsi & disconnect it from the parent uplink */
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if (vf->lan_vsi_idx) {
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ice_vsi_release(pf->vsi[vf->lan_vsi_idx]);
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vf->lan_vsi_idx = 0;
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vf->lan_vsi_num = 0;
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vf->num_mac = 0;
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}
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pf_vf_msix = pf->num_vf_msix;
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/* Disable interrupts so that VF starts in a known state */
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for (i = 0; i < pf_vf_msix; i++) {
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u32 reg_idx;
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reg_idx = ice_get_vf_vector(pf_vf_msix, vf->vf_id, i);
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wr32(&pf->hw, reg_idx, VFINT_DYN_CTLN_CLEARPBA_M);
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ice_flush(&pf->hw);
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}
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/* reset some of the state variables keeping track of the resources */
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clear_bit(ICE_VF_STATE_MC_PROMISC, vf->vf_states);
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clear_bit(ICE_VF_STATE_UC_PROMISC, vf->vf_states);
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}
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/**
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* ice_dis_vf_mappings
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* @vf: pointer to the VF structure
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*/
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static void ice_dis_vf_mappings(struct ice_vf *vf)
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{
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struct ice_pf *pf = vf->pf;
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struct ice_vsi *vsi;
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int first, last, v;
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struct ice_hw *hw;
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hw = &pf->hw;
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vsi = pf->vsi[vf->lan_vsi_idx];
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wr32(hw, VPINT_ALLOC(vf->vf_id), 0);
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2018-10-18 23:37:08 +08:00
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wr32(hw, VPINT_ALLOC_PCI(vf->vf_id), 0);
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2018-09-20 08:42:55 +08:00
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2019-02-09 04:50:41 +08:00
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first = vf->first_vector_idx +
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hw->func_caps.common_cap.msix_vector_first_id;
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2018-09-20 08:42:55 +08:00
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last = first + pf->num_vf_msix - 1;
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for (v = first; v <= last; v++) {
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u32 reg;
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reg = (((1 << GLINT_VECT2FUNC_IS_PF_S) &
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GLINT_VECT2FUNC_IS_PF_M) |
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((hw->pf_id << GLINT_VECT2FUNC_PF_NUM_S) &
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GLINT_VECT2FUNC_PF_NUM_M));
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wr32(hw, GLINT_VECT2FUNC(v), reg);
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}
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if (vsi->tx_mapping_mode == ICE_VSI_MAP_CONTIG)
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wr32(hw, VPLAN_TX_QBASE(vf->vf_id), 0);
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else
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dev_err(&pf->pdev->dev,
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"Scattered mode for VF Tx queues is not yet implemented\n");
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if (vsi->rx_mapping_mode == ICE_VSI_MAP_CONTIG)
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wr32(hw, VPLAN_RX_QBASE(vf->vf_id), 0);
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else
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dev_err(&pf->pdev->dev,
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"Scattered mode for VF Rx queues is not yet implemented\n");
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}
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/**
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* ice_free_vfs - Free all VFs
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* @pf: pointer to the PF structure
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*/
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void ice_free_vfs(struct ice_pf *pf)
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{
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struct ice_hw *hw = &pf->hw;
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int tmp, i;
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if (!pf->vf)
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return;
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while (test_and_set_bit(__ICE_VF_DIS, pf->state))
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usleep_range(1000, 2000);
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2018-10-27 02:44:34 +08:00
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/* Disable IOV before freeing resources. This lets any VF drivers
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* running in the host get themselves cleaned up before we yank
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* the carpet out from underneath their feet.
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*/
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if (!pci_vfs_assigned(pf->pdev))
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pci_disable_sriov(pf->pdev);
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else
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dev_warn(&pf->pdev->dev, "VFs are assigned - not disabling SR-IOV\n");
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2018-09-20 08:42:55 +08:00
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/* Avoid wait time by stopping all VFs at the same time */
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for (i = 0; i < pf->num_alloc_vfs; i++) {
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2018-12-20 02:03:27 +08:00
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struct ice_vsi *vsi;
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2018-09-20 08:42:55 +08:00
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if (!test_bit(ICE_VF_STATE_ENA, pf->vf[i].vf_states))
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continue;
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2018-12-20 02:03:27 +08:00
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vsi = pf->vsi[pf->vf[i].lan_vsi_idx];
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2018-09-20 08:42:55 +08:00
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/* stop rings without wait time */
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2018-12-20 02:03:27 +08:00
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ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, i);
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ice_vsi_stop_rx_rings(vsi);
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2018-09-20 08:42:55 +08:00
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clear_bit(ICE_VF_STATE_ENA, pf->vf[i].vf_states);
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}
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tmp = pf->num_alloc_vfs;
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pf->num_vf_qps = 0;
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pf->num_alloc_vfs = 0;
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for (i = 0; i < tmp; i++) {
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if (test_bit(ICE_VF_STATE_INIT, pf->vf[i].vf_states)) {
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/* disable VF qp mappings */
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ice_dis_vf_mappings(&pf->vf[i]);
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/* Set this state so that assigned VF vectors can be
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* reclaimed by PF for reuse in ice_vsi_release(). No
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* need to clear this bit since pf->vf array is being
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* freed anyways after this for loop
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*/
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set_bit(ICE_VF_STATE_CFG_INTR, pf->vf[i].vf_states);
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ice_free_vf_res(&pf->vf[i]);
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}
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}
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devm_kfree(&pf->pdev->dev, pf->vf);
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pf->vf = NULL;
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/* This check is for when the driver is unloaded while VFs are
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* assigned. Setting the number of VFs to 0 through sysfs is caught
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* before this function ever gets called.
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*/
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if (!pci_vfs_assigned(pf->pdev)) {
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int vf_id;
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/* Acknowledge VFLR for all VFs. Without this, VFs will fail to
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* work correctly when SR-IOV gets re-enabled.
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*/
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for (vf_id = 0; vf_id < tmp; vf_id++) {
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u32 reg_idx, bit_idx;
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reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32;
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bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32;
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wr32(hw, GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx));
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}
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}
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clear_bit(__ICE_VF_DIS, pf->state);
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clear_bit(ICE_FLAG_SRIOV_ENA, pf->flags);
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}
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/**
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* ice_trigger_vf_reset - Reset a VF on HW
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* @vf: pointer to the VF structure
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* @is_vflr: true if VFLR was issued, false if not
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*
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* Trigger hardware to start a reset for a particular VF. Expects the caller
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* to wait the proper amount of time to allow hardware to reset the VF before
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* it cleans up and restores VF functionality.
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*/
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static void ice_trigger_vf_reset(struct ice_vf *vf, bool is_vflr)
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{
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struct ice_pf *pf = vf->pf;
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u32 reg, reg_idx, bit_idx;
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struct ice_hw *hw;
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int vf_abs_id, i;
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|
|
|
hw = &pf->hw;
|
|
|
|
vf_abs_id = vf->vf_id + hw->func_caps.vf_base_id;
|
|
|
|
|
|
|
|
/* Inform VF that it is no longer active, as a warning */
|
|
|
|
clear_bit(ICE_VF_STATE_ACTIVE, vf->vf_states);
|
|
|
|
|
|
|
|
/* Disable VF's configuration API during reset. The flag is re-enabled
|
|
|
|
* in ice_alloc_vf_res(), when it's safe again to access VF's VSI.
|
|
|
|
* It's normally disabled in ice_free_vf_res(), but it's safer
|
|
|
|
* to do it earlier to give some time to finish to any VF config
|
|
|
|
* functions that may still be running at this point.
|
|
|
|
*/
|
|
|
|
clear_bit(ICE_VF_STATE_INIT, vf->vf_states);
|
2019-02-09 04:50:38 +08:00
|
|
|
|
|
|
|
/* Clear the VF's ARQLEN register. This is how the VF detects reset,
|
|
|
|
* since the VFGEN_RSTAT register doesn't stick at 0 after reset.
|
|
|
|
*/
|
|
|
|
wr32(hw, VF_MBX_ARQLEN(vf_abs_id), 0);
|
2018-09-20 08:42:55 +08:00
|
|
|
|
|
|
|
/* In the case of a VFLR, the HW has already reset the VF and we
|
|
|
|
* just need to clean up, so don't hit the VFRTRIG register.
|
|
|
|
*/
|
|
|
|
if (!is_vflr) {
|
|
|
|
/* reset VF using VPGEN_VFRTRIG reg */
|
|
|
|
reg = rd32(hw, VPGEN_VFRTRIG(vf->vf_id));
|
|
|
|
reg |= VPGEN_VFRTRIG_VFSWR_M;
|
|
|
|
wr32(hw, VPGEN_VFRTRIG(vf->vf_id), reg);
|
|
|
|
}
|
|
|
|
/* clear the VFLR bit in GLGEN_VFLRSTAT */
|
|
|
|
reg_idx = (vf_abs_id) / 32;
|
|
|
|
bit_idx = (vf_abs_id) % 32;
|
|
|
|
wr32(hw, GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx));
|
|
|
|
ice_flush(hw);
|
|
|
|
|
|
|
|
wr32(hw, PF_PCI_CIAA,
|
|
|
|
VF_DEVICE_STATUS | (vf_abs_id << PF_PCI_CIAA_VF_NUM_S));
|
|
|
|
for (i = 0; i < 100; i++) {
|
|
|
|
reg = rd32(hw, PF_PCI_CIAD);
|
|
|
|
if ((reg & VF_TRANS_PENDING_M) != 0)
|
|
|
|
dev_err(&pf->pdev->dev,
|
|
|
|
"VF %d PCI transactions stuck\n", vf->vf_id);
|
|
|
|
udelay(1);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
2019-02-20 07:04:13 +08:00
|
|
|
* ice_vsi_set_pvid_fill_ctxt - Set VSI ctxt for add PVID
|
|
|
|
* @ctxt: the VSI ctxt to fill
|
|
|
|
* @vid: the VLAN ID to set as a PVID
|
2018-09-20 08:42:55 +08:00
|
|
|
*/
|
2019-02-09 04:50:48 +08:00
|
|
|
static void ice_vsi_set_pvid_fill_ctxt(struct ice_vsi_ctx *ctxt, u16 vid)
|
|
|
|
{
|
|
|
|
ctxt->info.vlan_flags = (ICE_AQ_VSI_VLAN_MODE_UNTAGGED |
|
|
|
|
ICE_AQ_VSI_PVLAN_INSERT_PVID |
|
|
|
|
ICE_AQ_VSI_VLAN_EMOD_STR);
|
|
|
|
ctxt->info.pvid = cpu_to_le16(vid);
|
|
|
|
ctxt->info.sw_flags2 |= ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA;
|
|
|
|
ctxt->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_VLAN_VALID |
|
|
|
|
ICE_AQ_VSI_PROP_SW_VALID);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
2019-02-20 07:04:13 +08:00
|
|
|
* ice_vsi_kill_pvid_fill_ctxt - Set VSI ctx for remove PVID
|
2019-02-09 04:50:48 +08:00
|
|
|
* @ctxt: the VSI ctxt to fill
|
|
|
|
*/
|
|
|
|
static void ice_vsi_kill_pvid_fill_ctxt(struct ice_vsi_ctx *ctxt)
|
|
|
|
{
|
|
|
|
ctxt->info.vlan_flags = ICE_AQ_VSI_VLAN_EMOD_NOTHING;
|
|
|
|
ctxt->info.vlan_flags |= ICE_AQ_VSI_VLAN_MODE_ALL;
|
|
|
|
ctxt->info.sw_flags2 &= ~ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA;
|
|
|
|
ctxt->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_VLAN_VALID |
|
|
|
|
ICE_AQ_VSI_PROP_SW_VALID);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_vsi_manage_pvid - Enable or disable port VLAN for VSI
|
|
|
|
* @vsi: the VSI to update
|
2019-02-20 07:04:13 +08:00
|
|
|
* @vid: the VLAN ID to set as a PVID
|
|
|
|
* @enable: true for enable PVID false for disable
|
2019-02-09 04:50:48 +08:00
|
|
|
*/
|
|
|
|
static int ice_vsi_manage_pvid(struct ice_vsi *vsi, u16 vid, bool enable)
|
2018-09-20 08:42:55 +08:00
|
|
|
{
|
|
|
|
struct device *dev = &vsi->back->pdev->dev;
|
|
|
|
struct ice_hw *hw = &vsi->back->hw;
|
2019-02-09 04:50:32 +08:00
|
|
|
struct ice_vsi_ctx *ctxt;
|
2018-09-20 08:42:55 +08:00
|
|
|
enum ice_status status;
|
2019-02-09 04:50:32 +08:00
|
|
|
int ret = 0;
|
|
|
|
|
|
|
|
ctxt = devm_kzalloc(dev, sizeof(*ctxt), GFP_KERNEL);
|
|
|
|
if (!ctxt)
|
|
|
|
return -ENOMEM;
|
2018-09-20 08:42:55 +08:00
|
|
|
|
2019-02-09 04:50:48 +08:00
|
|
|
ctxt->info = vsi->info;
|
|
|
|
if (enable)
|
|
|
|
ice_vsi_set_pvid_fill_ctxt(ctxt, vid);
|
|
|
|
else
|
|
|
|
ice_vsi_kill_pvid_fill_ctxt(ctxt);
|
2018-09-20 08:42:55 +08:00
|
|
|
|
2019-02-09 04:50:32 +08:00
|
|
|
status = ice_update_vsi(hw, vsi->idx, ctxt, NULL);
|
2018-09-20 08:42:55 +08:00
|
|
|
if (status) {
|
2019-02-09 04:50:48 +08:00
|
|
|
dev_info(dev, "update VSI for port VLAN failed, err %d aq_err %d\n",
|
2018-09-20 08:42:55 +08:00
|
|
|
status, hw->adminq.sq_last_status);
|
2019-02-09 04:50:32 +08:00
|
|
|
ret = -EIO;
|
|
|
|
goto out;
|
2018-09-20 08:42:55 +08:00
|
|
|
}
|
|
|
|
|
2019-02-09 04:50:48 +08:00
|
|
|
vsi->info = ctxt->info;
|
2019-02-09 04:50:32 +08:00
|
|
|
out:
|
|
|
|
devm_kfree(dev, ctxt);
|
|
|
|
return ret;
|
2018-09-20 08:42:55 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_vf_vsi_setup - Set up a VF VSI
|
|
|
|
* @pf: board private structure
|
|
|
|
* @pi: pointer to the port_info instance
|
2019-02-20 07:04:13 +08:00
|
|
|
* @vf_id: defines VF ID to which this VSI connects.
|
2018-09-20 08:42:55 +08:00
|
|
|
*
|
|
|
|
* Returns pointer to the successfully allocated VSI struct on success,
|
|
|
|
* otherwise returns NULL on failure.
|
|
|
|
*/
|
|
|
|
static struct ice_vsi *
|
|
|
|
ice_vf_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi, u16 vf_id)
|
|
|
|
{
|
|
|
|
return ice_vsi_setup(pf, pi, ICE_VSI_VF, vf_id);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_alloc_vsi_res - Setup VF VSI and its resources
|
|
|
|
* @vf: pointer to the VF structure
|
|
|
|
*
|
|
|
|
* Returns 0 on success, negative value on failure
|
|
|
|
*/
|
|
|
|
static int ice_alloc_vsi_res(struct ice_vf *vf)
|
|
|
|
{
|
|
|
|
struct ice_pf *pf = vf->pf;
|
|
|
|
LIST_HEAD(tmp_add_list);
|
|
|
|
u8 broadcast[ETH_ALEN];
|
|
|
|
struct ice_vsi *vsi;
|
|
|
|
int status = 0;
|
|
|
|
|
|
|
|
vsi = ice_vf_vsi_setup(pf, pf->hw.port_info, vf->vf_id);
|
|
|
|
|
|
|
|
if (!vsi) {
|
|
|
|
dev_err(&pf->pdev->dev, "Failed to create VF VSI\n");
|
|
|
|
return -ENOMEM;
|
|
|
|
}
|
|
|
|
|
|
|
|
vf->lan_vsi_idx = vsi->idx;
|
|
|
|
vf->lan_vsi_num = vsi->vsi_num;
|
|
|
|
|
|
|
|
/* first vector index is the VFs OICR index */
|
|
|
|
vf->first_vector_idx = vsi->hw_base_vector;
|
|
|
|
/* Since hw_base_vector holds the vector where data queue interrupts
|
|
|
|
* starts, increment by 1 since VFs allocated vectors include OICR intr
|
|
|
|
* as well.
|
|
|
|
*/
|
|
|
|
vsi->hw_base_vector += 1;
|
|
|
|
|
|
|
|
/* Check if port VLAN exist before, and restore it accordingly */
|
2019-02-27 08:35:21 +08:00
|
|
|
if (vf->port_vlan_id) {
|
2019-02-09 04:50:48 +08:00
|
|
|
ice_vsi_manage_pvid(vsi, vf->port_vlan_id, true);
|
2019-02-27 08:35:21 +08:00
|
|
|
ice_vsi_add_vlan(vsi, vf->port_vlan_id & ICE_VLAN_M);
|
|
|
|
}
|
2018-09-20 08:42:55 +08:00
|
|
|
|
|
|
|
eth_broadcast_addr(broadcast);
|
|
|
|
|
|
|
|
status = ice_add_mac_to_list(vsi, &tmp_add_list, broadcast);
|
|
|
|
if (status)
|
|
|
|
goto ice_alloc_vsi_res_exit;
|
|
|
|
|
|
|
|
if (is_valid_ether_addr(vf->dflt_lan_addr.addr)) {
|
|
|
|
status = ice_add_mac_to_list(vsi, &tmp_add_list,
|
|
|
|
vf->dflt_lan_addr.addr);
|
|
|
|
if (status)
|
|
|
|
goto ice_alloc_vsi_res_exit;
|
|
|
|
}
|
|
|
|
|
|
|
|
status = ice_add_mac(&pf->hw, &tmp_add_list);
|
|
|
|
if (status)
|
|
|
|
dev_err(&pf->pdev->dev, "could not add mac filters\n");
|
|
|
|
|
|
|
|
/* Clear this bit after VF initialization since we shouldn't reclaim
|
|
|
|
* and reassign interrupts for synchronous or asynchronous VFR events.
|
2019-02-20 07:04:12 +08:00
|
|
|
* We don't want to reconfigure interrupts since AVF driver doesn't
|
2018-09-20 08:42:55 +08:00
|
|
|
* expect vector assignment to be changed unless there is a request for
|
|
|
|
* more vectors.
|
|
|
|
*/
|
|
|
|
clear_bit(ICE_VF_STATE_CFG_INTR, vf->vf_states);
|
|
|
|
ice_alloc_vsi_res_exit:
|
|
|
|
ice_free_fltr_list(&pf->pdev->dev, &tmp_add_list);
|
|
|
|
return status;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_alloc_vf_res - Allocate VF resources
|
|
|
|
* @vf: pointer to the VF structure
|
|
|
|
*/
|
|
|
|
static int ice_alloc_vf_res(struct ice_vf *vf)
|
|
|
|
{
|
2019-02-27 08:35:09 +08:00
|
|
|
struct ice_pf *pf = vf->pf;
|
|
|
|
int tx_rx_queue_left;
|
2018-09-20 08:42:55 +08:00
|
|
|
int status;
|
|
|
|
|
|
|
|
/* setup VF VSI and necessary resources */
|
|
|
|
status = ice_alloc_vsi_res(vf);
|
|
|
|
if (status)
|
|
|
|
goto ice_alloc_vf_res_exit;
|
|
|
|
|
2019-02-27 08:35:09 +08:00
|
|
|
/* Update number of VF queues, in case VF had requested for queue
|
|
|
|
* changes
|
|
|
|
*/
|
|
|
|
tx_rx_queue_left = min_t(int, pf->q_left_tx, pf->q_left_rx);
|
|
|
|
tx_rx_queue_left += ICE_DFLT_QS_PER_VF;
|
|
|
|
if (vf->num_req_qs && vf->num_req_qs <= tx_rx_queue_left &&
|
|
|
|
vf->num_req_qs != vf->num_vf_qs)
|
|
|
|
vf->num_vf_qs = vf->num_req_qs;
|
|
|
|
|
2018-09-20 08:42:55 +08:00
|
|
|
if (vf->trusted)
|
|
|
|
set_bit(ICE_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps);
|
|
|
|
else
|
|
|
|
clear_bit(ICE_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps);
|
|
|
|
|
|
|
|
/* VF is now completely initialized */
|
|
|
|
set_bit(ICE_VF_STATE_INIT, vf->vf_states);
|
|
|
|
|
|
|
|
return status;
|
|
|
|
|
|
|
|
ice_alloc_vf_res_exit:
|
|
|
|
ice_free_vf_res(vf);
|
|
|
|
return status;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_ena_vf_mappings
|
|
|
|
* @vf: pointer to the VF structure
|
|
|
|
*
|
|
|
|
* Enable VF vectors and queues allocation by writing the details into
|
|
|
|
* respective registers.
|
|
|
|
*/
|
|
|
|
static void ice_ena_vf_mappings(struct ice_vf *vf)
|
|
|
|
{
|
|
|
|
struct ice_pf *pf = vf->pf;
|
|
|
|
struct ice_vsi *vsi;
|
|
|
|
int first, last, v;
|
|
|
|
struct ice_hw *hw;
|
|
|
|
int abs_vf_id;
|
|
|
|
u32 reg;
|
|
|
|
|
|
|
|
hw = &pf->hw;
|
|
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
2019-02-09 04:50:41 +08:00
|
|
|
first = vf->first_vector_idx +
|
|
|
|
hw->func_caps.common_cap.msix_vector_first_id;
|
2018-09-20 08:42:55 +08:00
|
|
|
last = (first + pf->num_vf_msix) - 1;
|
|
|
|
abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
|
|
|
|
|
|
|
|
/* VF Vector allocation */
|
|
|
|
reg = (((first << VPINT_ALLOC_FIRST_S) & VPINT_ALLOC_FIRST_M) |
|
|
|
|
((last << VPINT_ALLOC_LAST_S) & VPINT_ALLOC_LAST_M) |
|
|
|
|
VPINT_ALLOC_VALID_M);
|
|
|
|
wr32(hw, VPINT_ALLOC(vf->vf_id), reg);
|
|
|
|
|
2018-10-18 23:37:08 +08:00
|
|
|
reg = (((first << VPINT_ALLOC_PCI_FIRST_S) & VPINT_ALLOC_PCI_FIRST_M) |
|
|
|
|
((last << VPINT_ALLOC_PCI_LAST_S) & VPINT_ALLOC_PCI_LAST_M) |
|
|
|
|
VPINT_ALLOC_PCI_VALID_M);
|
|
|
|
wr32(hw, VPINT_ALLOC_PCI(vf->vf_id), reg);
|
2018-09-20 08:42:55 +08:00
|
|
|
/* map the interrupts to its functions */
|
|
|
|
for (v = first; v <= last; v++) {
|
|
|
|
reg = (((abs_vf_id << GLINT_VECT2FUNC_VF_NUM_S) &
|
|
|
|
GLINT_VECT2FUNC_VF_NUM_M) |
|
|
|
|
((hw->pf_id << GLINT_VECT2FUNC_PF_NUM_S) &
|
|
|
|
GLINT_VECT2FUNC_PF_NUM_M));
|
|
|
|
wr32(hw, GLINT_VECT2FUNC(v), reg);
|
|
|
|
}
|
|
|
|
|
2019-02-20 07:04:02 +08:00
|
|
|
/* Map mailbox interrupt. We put an explicit 0 here to remind us that
|
|
|
|
* VF admin queue interrupts will go to VF MSI-X vector 0.
|
|
|
|
*/
|
|
|
|
wr32(hw, VPINT_MBX_CTL(abs_vf_id), VPINT_MBX_CTL_CAUSE_ENA_M | 0);
|
2018-10-18 23:37:08 +08:00
|
|
|
/* set regardless of mapping mode */
|
|
|
|
wr32(hw, VPLAN_TXQ_MAPENA(vf->vf_id), VPLAN_TXQ_MAPENA_TX_ENA_M);
|
|
|
|
|
2018-09-20 08:42:55 +08:00
|
|
|
/* VF Tx queues allocation */
|
|
|
|
if (vsi->tx_mapping_mode == ICE_VSI_MAP_CONTIG) {
|
|
|
|
/* set the VF PF Tx queue range
|
|
|
|
* VFNUMQ value should be set to (number of queues - 1). A value
|
|
|
|
* of 0 means 1 queue and a value of 255 means 256 queues
|
|
|
|
*/
|
|
|
|
reg = (((vsi->txq_map[0] << VPLAN_TX_QBASE_VFFIRSTQ_S) &
|
|
|
|
VPLAN_TX_QBASE_VFFIRSTQ_M) |
|
|
|
|
(((vsi->alloc_txq - 1) << VPLAN_TX_QBASE_VFNUMQ_S) &
|
|
|
|
VPLAN_TX_QBASE_VFNUMQ_M));
|
|
|
|
wr32(hw, VPLAN_TX_QBASE(vf->vf_id), reg);
|
|
|
|
} else {
|
|
|
|
dev_err(&pf->pdev->dev,
|
|
|
|
"Scattered mode for VF Tx queues is not yet implemented\n");
|
|
|
|
}
|
|
|
|
|
2018-10-18 23:37:08 +08:00
|
|
|
/* set regardless of mapping mode */
|
|
|
|
wr32(hw, VPLAN_RXQ_MAPENA(vf->vf_id), VPLAN_RXQ_MAPENA_RX_ENA_M);
|
|
|
|
|
2018-09-20 08:42:55 +08:00
|
|
|
/* VF Rx queues allocation */
|
|
|
|
if (vsi->rx_mapping_mode == ICE_VSI_MAP_CONTIG) {
|
|
|
|
/* set the VF PF Rx queue range
|
|
|
|
* VFNUMQ value should be set to (number of queues - 1). A value
|
|
|
|
* of 0 means 1 queue and a value of 255 means 256 queues
|
|
|
|
*/
|
|
|
|
reg = (((vsi->rxq_map[0] << VPLAN_RX_QBASE_VFFIRSTQ_S) &
|
|
|
|
VPLAN_RX_QBASE_VFFIRSTQ_M) |
|
|
|
|
(((vsi->alloc_txq - 1) << VPLAN_RX_QBASE_VFNUMQ_S) &
|
|
|
|
VPLAN_RX_QBASE_VFNUMQ_M));
|
|
|
|
wr32(hw, VPLAN_RX_QBASE(vf->vf_id), reg);
|
|
|
|
} else {
|
|
|
|
dev_err(&pf->pdev->dev,
|
|
|
|
"Scattered mode for VF Rx queues is not yet implemented\n");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_determine_res
|
|
|
|
* @pf: pointer to the PF structure
|
|
|
|
* @avail_res: available resources in the PF structure
|
|
|
|
* @max_res: maximum resources that can be given per VF
|
|
|
|
* @min_res: minimum resources that can be given per VF
|
|
|
|
*
|
|
|
|
* Returns non-zero value if resources (queues/vectors) are available or
|
|
|
|
* returns zero if PF cannot accommodate for all num_alloc_vfs.
|
|
|
|
*/
|
|
|
|
static int
|
|
|
|
ice_determine_res(struct ice_pf *pf, u16 avail_res, u16 max_res, u16 min_res)
|
|
|
|
{
|
|
|
|
bool checked_min_res = false;
|
|
|
|
int res;
|
|
|
|
|
|
|
|
/* start by checking if PF can assign max number of resources for
|
|
|
|
* all num_alloc_vfs.
|
|
|
|
* if yes, return number per VF
|
|
|
|
* If no, divide by 2 and roundup, check again
|
|
|
|
* repeat the loop till we reach a point where even minimum resources
|
|
|
|
* are not available, in that case return 0
|
|
|
|
*/
|
|
|
|
res = max_res;
|
|
|
|
while ((res >= min_res) && !checked_min_res) {
|
|
|
|
int num_all_res;
|
|
|
|
|
|
|
|
num_all_res = pf->num_alloc_vfs * res;
|
|
|
|
if (num_all_res <= avail_res)
|
|
|
|
return res;
|
|
|
|
|
|
|
|
if (res == min_res)
|
|
|
|
checked_min_res = true;
|
|
|
|
|
|
|
|
res = DIV_ROUND_UP(res, 2);
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_check_avail_res - check if vectors and queues are available
|
|
|
|
* @pf: pointer to the PF structure
|
|
|
|
*
|
|
|
|
* This function is where we calculate actual number of resources for VF VSIs,
|
|
|
|
* we don't reserve ahead of time during probe. Returns success if vectors and
|
|
|
|
* queues resources are available, otherwise returns error code
|
|
|
|
*/
|
|
|
|
static int ice_check_avail_res(struct ice_pf *pf)
|
|
|
|
{
|
|
|
|
u16 num_msix, num_txq, num_rxq;
|
|
|
|
|
|
|
|
if (!pf->num_alloc_vfs)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
/* Grab from HW interrupts common pool
|
|
|
|
* Note: By the time the user decides it needs more vectors in a VF
|
|
|
|
* its already too late since one must decide this prior to creating the
|
|
|
|
* VF interface. So the best we can do is take a guess as to what the
|
|
|
|
* user might want.
|
|
|
|
*
|
|
|
|
* We have two policies for vector allocation:
|
|
|
|
* 1. if num_alloc_vfs is from 1 to 16, then we consider this as small
|
|
|
|
* number of NFV VFs used for NFV appliances, since this is a special
|
|
|
|
* case, we try to assign maximum vectors per VF (65) as much as
|
|
|
|
* possible, based on determine_resources algorithm.
|
|
|
|
* 2. if num_alloc_vfs is from 17 to 256, then its large number of
|
|
|
|
* regular VFs which are not used for any special purpose. Hence try to
|
|
|
|
* grab default interrupt vectors (5 as supported by AVF driver).
|
|
|
|
*/
|
|
|
|
if (pf->num_alloc_vfs <= 16) {
|
|
|
|
num_msix = ice_determine_res(pf, pf->num_avail_hw_msix,
|
|
|
|
ICE_MAX_INTR_PER_VF,
|
|
|
|
ICE_MIN_INTR_PER_VF);
|
|
|
|
} else if (pf->num_alloc_vfs <= ICE_MAX_VF_COUNT) {
|
|
|
|
num_msix = ice_determine_res(pf, pf->num_avail_hw_msix,
|
|
|
|
ICE_DFLT_INTR_PER_VF,
|
|
|
|
ICE_MIN_INTR_PER_VF);
|
|
|
|
} else {
|
|
|
|
dev_err(&pf->pdev->dev,
|
|
|
|
"Number of VFs %d exceeds max VF count %d\n",
|
|
|
|
pf->num_alloc_vfs, ICE_MAX_VF_COUNT);
|
|
|
|
return -EIO;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!num_msix)
|
|
|
|
return -EIO;
|
|
|
|
|
|
|
|
/* Grab from the common pool
|
|
|
|
* start by requesting Default queues (4 as supported by AVF driver),
|
|
|
|
* Note that, the main difference between queues and vectors is, latter
|
|
|
|
* can only be reserved at init time but queues can be requested by VF
|
|
|
|
* at runtime through Virtchnl, that is the reason we start by reserving
|
|
|
|
* few queues.
|
|
|
|
*/
|
|
|
|
num_txq = ice_determine_res(pf, pf->q_left_tx, ICE_DFLT_QS_PER_VF,
|
|
|
|
ICE_MIN_QS_PER_VF);
|
|
|
|
|
|
|
|
num_rxq = ice_determine_res(pf, pf->q_left_rx, ICE_DFLT_QS_PER_VF,
|
|
|
|
ICE_MIN_QS_PER_VF);
|
|
|
|
|
|
|
|
if (!num_txq || !num_rxq)
|
|
|
|
return -EIO;
|
|
|
|
|
|
|
|
/* since AVF driver works with only queue pairs which means, it expects
|
|
|
|
* to have equal number of Rx and Tx queues, so take the minimum of
|
|
|
|
* available Tx or Rx queues
|
|
|
|
*/
|
|
|
|
pf->num_vf_qps = min_t(int, num_txq, num_rxq);
|
|
|
|
pf->num_vf_msix = num_msix;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_cleanup_and_realloc_vf - Clean up VF and reallocate resources after reset
|
|
|
|
* @vf: pointer to the VF structure
|
|
|
|
*
|
|
|
|
* Cleanup a VF after the hardware reset is finished. Expects the caller to
|
|
|
|
* have verified whether the reset is finished properly, and ensure the
|
|
|
|
* minimum amount of wait time has passed. Reallocate VF resources back to make
|
|
|
|
* VF state active
|
|
|
|
*/
|
|
|
|
static void ice_cleanup_and_realloc_vf(struct ice_vf *vf)
|
|
|
|
{
|
|
|
|
struct ice_pf *pf = vf->pf;
|
|
|
|
struct ice_hw *hw;
|
|
|
|
u32 reg;
|
|
|
|
|
|
|
|
hw = &pf->hw;
|
|
|
|
|
|
|
|
/* PF software completes the flow by notifying VF that reset flow is
|
|
|
|
* completed. This is done by enabling hardware by clearing the reset
|
|
|
|
* bit in the VPGEN_VFRTRIG reg and setting VFR_STATE in the VFGEN_RSTAT
|
|
|
|
* register to VFR completed (done at the end of this function)
|
|
|
|
* By doing this we allow HW to access VF memory at any point. If we
|
|
|
|
* did it any sooner, HW could access memory while it was being freed
|
|
|
|
* in ice_free_vf_res(), causing an IOMMU fault.
|
|
|
|
*
|
|
|
|
* On the other hand, this needs to be done ASAP, because the VF driver
|
|
|
|
* is waiting for this to happen and may report a timeout. It's
|
|
|
|
* harmless, but it gets logged into Guest OS kernel log, so best avoid
|
|
|
|
* it.
|
|
|
|
*/
|
|
|
|
reg = rd32(hw, VPGEN_VFRTRIG(vf->vf_id));
|
|
|
|
reg &= ~VPGEN_VFRTRIG_VFSWR_M;
|
|
|
|
wr32(hw, VPGEN_VFRTRIG(vf->vf_id), reg);
|
|
|
|
|
|
|
|
/* reallocate VF resources to finish resetting the VSI state */
|
|
|
|
if (!ice_alloc_vf_res(vf)) {
|
|
|
|
ice_ena_vf_mappings(vf);
|
|
|
|
set_bit(ICE_VF_STATE_ACTIVE, vf->vf_states);
|
|
|
|
clear_bit(ICE_VF_STATE_DIS, vf->vf_states);
|
|
|
|
vf->num_vlan = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Tell the VF driver the reset is done. This needs to be done only
|
|
|
|
* after VF has been fully initialized, because the VF driver may
|
|
|
|
* request resources immediately after setting this flag.
|
|
|
|
*/
|
|
|
|
wr32(hw, VFGEN_RSTAT(vf->vf_id), VIRTCHNL_VFR_VFACTIVE);
|
|
|
|
}
|
|
|
|
|
2019-02-27 08:35:14 +08:00
|
|
|
/**
|
|
|
|
* ice_vf_set_vsi_promisc - set given VF VSI to given promiscuous mode(s)
|
|
|
|
* @vf: pointer to the VF info
|
|
|
|
* @vsi: the VSI being configured
|
|
|
|
* @promisc_m: mask of promiscuous config bits
|
|
|
|
* @rm_promisc: promisc flag request from the VF to remove or add filter
|
|
|
|
*
|
|
|
|
* This function configures VF VSI promiscuous mode, based on the VF requests,
|
|
|
|
* for Unicast, Multicast and VLAN
|
|
|
|
*/
|
|
|
|
static enum ice_status
|
|
|
|
ice_vf_set_vsi_promisc(struct ice_vf *vf, struct ice_vsi *vsi, u8 promisc_m,
|
|
|
|
bool rm_promisc)
|
|
|
|
{
|
|
|
|
struct ice_pf *pf = vf->pf;
|
|
|
|
enum ice_status status = 0;
|
|
|
|
struct ice_hw *hw;
|
|
|
|
|
|
|
|
hw = &pf->hw;
|
|
|
|
if (vf->num_vlan) {
|
|
|
|
status = ice_set_vlan_vsi_promisc(hw, vsi->idx, promisc_m,
|
|
|
|
rm_promisc);
|
|
|
|
} else if (vf->port_vlan_id) {
|
|
|
|
if (rm_promisc)
|
|
|
|
status = ice_clear_vsi_promisc(hw, vsi->idx, promisc_m,
|
|
|
|
vf->port_vlan_id);
|
|
|
|
else
|
|
|
|
status = ice_set_vsi_promisc(hw, vsi->idx, promisc_m,
|
|
|
|
vf->port_vlan_id);
|
|
|
|
} else {
|
|
|
|
if (rm_promisc)
|
|
|
|
status = ice_clear_vsi_promisc(hw, vsi->idx, promisc_m,
|
|
|
|
0);
|
|
|
|
else
|
|
|
|
status = ice_set_vsi_promisc(hw, vsi->idx, promisc_m,
|
|
|
|
0);
|
|
|
|
}
|
|
|
|
|
|
|
|
return status;
|
|
|
|
}
|
|
|
|
|
2018-09-20 08:42:55 +08:00
|
|
|
/**
|
|
|
|
* ice_reset_all_vfs - reset all allocated VFs in one go
|
|
|
|
* @pf: pointer to the PF structure
|
|
|
|
* @is_vflr: true if VFLR was issued, false if not
|
|
|
|
*
|
|
|
|
* First, tell the hardware to reset each VF, then do all the waiting in one
|
|
|
|
* chunk, and finally finish restoring each VF after the wait. This is useful
|
|
|
|
* during PF routines which need to reset all VFs, as otherwise it must perform
|
|
|
|
* these resets in a serialized fashion.
|
|
|
|
*
|
|
|
|
* Returns true if any VFs were reset, and false otherwise.
|
|
|
|
*/
|
|
|
|
bool ice_reset_all_vfs(struct ice_pf *pf, bool is_vflr)
|
|
|
|
{
|
|
|
|
struct ice_hw *hw = &pf->hw;
|
2019-02-09 04:50:49 +08:00
|
|
|
struct ice_vf *vf;
|
2018-09-20 08:42:55 +08:00
|
|
|
int v, i;
|
|
|
|
|
|
|
|
/* If we don't have any VFs, then there is nothing to reset */
|
|
|
|
if (!pf->num_alloc_vfs)
|
|
|
|
return false;
|
|
|
|
|
|
|
|
/* If VFs have been disabled, there is no need to reset */
|
|
|
|
if (test_and_set_bit(__ICE_VF_DIS, pf->state))
|
|
|
|
return false;
|
|
|
|
|
|
|
|
/* Begin reset on all VFs at once */
|
|
|
|
for (v = 0; v < pf->num_alloc_vfs; v++)
|
|
|
|
ice_trigger_vf_reset(&pf->vf[v], is_vflr);
|
|
|
|
|
2019-02-09 04:50:49 +08:00
|
|
|
for (v = 0; v < pf->num_alloc_vfs; v++) {
|
|
|
|
struct ice_vsi *vsi;
|
|
|
|
|
|
|
|
vf = &pf->vf[v];
|
|
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
|
|
|
if (test_bit(ICE_VF_STATE_ENA, vf->vf_states)) {
|
|
|
|
ice_vsi_stop_lan_tx_rings(vsi, ICE_VF_RESET, vf->vf_id);
|
|
|
|
ice_vsi_stop_rx_rings(vsi);
|
|
|
|
clear_bit(ICE_VF_STATE_ENA, vf->vf_states);
|
|
|
|
}
|
|
|
|
}
|
2018-09-20 08:42:55 +08:00
|
|
|
|
|
|
|
/* HW requires some time to make sure it can flush the FIFO for a VF
|
|
|
|
* when it resets it. Poll the VPGEN_VFRSTAT register for each VF in
|
|
|
|
* sequence to make sure that it has completed. We'll keep track of
|
|
|
|
* the VFs using a simple iterator that increments once that VF has
|
|
|
|
* finished resetting.
|
|
|
|
*/
|
|
|
|
for (i = 0, v = 0; i < 10 && v < pf->num_alloc_vfs; i++) {
|
|
|
|
usleep_range(10000, 20000);
|
|
|
|
|
|
|
|
/* Check each VF in sequence */
|
|
|
|
while (v < pf->num_alloc_vfs) {
|
|
|
|
u32 reg;
|
|
|
|
|
2019-02-09 04:50:49 +08:00
|
|
|
vf = &pf->vf[v];
|
2018-09-20 08:42:55 +08:00
|
|
|
reg = rd32(hw, VPGEN_VFRSTAT(vf->vf_id));
|
|
|
|
if (!(reg & VPGEN_VFRSTAT_VFRD_M))
|
|
|
|
break;
|
|
|
|
|
|
|
|
/* If the current VF has finished resetting, move on
|
|
|
|
* to the next VF in sequence.
|
|
|
|
*/
|
|
|
|
v++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Display a warning if at least one VF didn't manage to reset in
|
|
|
|
* time, but continue on with the operation.
|
|
|
|
*/
|
|
|
|
if (v < pf->num_alloc_vfs)
|
|
|
|
dev_warn(&pf->pdev->dev, "VF reset check timeout\n");
|
|
|
|
usleep_range(10000, 20000);
|
|
|
|
|
|
|
|
/* free VF resources to begin resetting the VSI state */
|
2019-02-27 08:35:09 +08:00
|
|
|
for (v = 0; v < pf->num_alloc_vfs; v++) {
|
|
|
|
vf = &pf->vf[v];
|
|
|
|
|
|
|
|
ice_free_vf_res(vf);
|
|
|
|
|
|
|
|
/* Free VF queues as well, and reallocate later.
|
|
|
|
* If a given VF has different number of queues
|
|
|
|
* configured, the request for update will come
|
|
|
|
* via mailbox communication.
|
|
|
|
*/
|
|
|
|
vf->num_vf_qs = 0;
|
|
|
|
}
|
2018-09-20 08:42:55 +08:00
|
|
|
|
|
|
|
if (ice_check_avail_res(pf)) {
|
|
|
|
dev_err(&pf->pdev->dev,
|
|
|
|
"Cannot allocate VF resources, try with fewer number of VFs\n");
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Finish the reset on each VF */
|
2019-02-27 08:35:09 +08:00
|
|
|
for (v = 0; v < pf->num_alloc_vfs; v++) {
|
|
|
|
vf = &pf->vf[v];
|
|
|
|
|
|
|
|
vf->num_vf_qs = pf->num_vf_qps;
|
|
|
|
dev_dbg(&pf->pdev->dev,
|
|
|
|
"VF-id %d has %d queues configured\n",
|
|
|
|
vf->vf_id, vf->num_vf_qs);
|
|
|
|
ice_cleanup_and_realloc_vf(vf);
|
|
|
|
}
|
2018-09-20 08:42:55 +08:00
|
|
|
|
|
|
|
ice_flush(hw);
|
|
|
|
clear_bit(__ICE_VF_DIS, pf->state);
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
2018-09-20 08:42:57 +08:00
|
|
|
/**
|
|
|
|
* ice_reset_vf - Reset a particular VF
|
|
|
|
* @vf: pointer to the VF structure
|
|
|
|
* @is_vflr: true if VFLR was issued, false if not
|
|
|
|
*
|
|
|
|
* Returns true if the VF is reset, false otherwise.
|
|
|
|
*/
|
|
|
|
static bool ice_reset_vf(struct ice_vf *vf, bool is_vflr)
|
|
|
|
{
|
|
|
|
struct ice_pf *pf = vf->pf;
|
2018-12-20 02:03:27 +08:00
|
|
|
struct ice_vsi *vsi;
|
2019-02-27 08:35:14 +08:00
|
|
|
struct ice_hw *hw;
|
2018-09-20 08:42:57 +08:00
|
|
|
bool rsd = false;
|
2019-02-27 08:35:14 +08:00
|
|
|
u8 promisc_m;
|
2018-09-20 08:42:57 +08:00
|
|
|
u32 reg;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
/* If the VFs have been disabled, this means something else is
|
|
|
|
* resetting the VF, so we shouldn't continue.
|
|
|
|
*/
|
|
|
|
if (test_and_set_bit(__ICE_VF_DIS, pf->state))
|
|
|
|
return false;
|
|
|
|
|
|
|
|
ice_trigger_vf_reset(vf, is_vflr);
|
|
|
|
|
2018-12-20 02:03:27 +08:00
|
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
|
|
|
|
2018-09-20 08:42:57 +08:00
|
|
|
if (test_bit(ICE_VF_STATE_ENA, vf->vf_states)) {
|
2018-12-20 02:03:27 +08:00
|
|
|
ice_vsi_stop_lan_tx_rings(vsi, ICE_VF_RESET, vf->vf_id);
|
|
|
|
ice_vsi_stop_rx_rings(vsi);
|
2018-09-20 08:42:57 +08:00
|
|
|
clear_bit(ICE_VF_STATE_ENA, vf->vf_states);
|
|
|
|
} else {
|
|
|
|
/* Call Disable LAN Tx queue AQ call even when queues are not
|
|
|
|
* enabled. This is needed for successful completiom of VFR
|
|
|
|
*/
|
2019-03-01 07:25:48 +08:00
|
|
|
ice_dis_vsi_txq(vsi->port_info, vsi->idx, 0, 0, NULL, NULL,
|
|
|
|
NULL, ICE_VF_RESET, vf->vf_id, NULL);
|
2018-09-20 08:42:57 +08:00
|
|
|
}
|
|
|
|
|
2019-02-27 08:35:14 +08:00
|
|
|
hw = &pf->hw;
|
2018-09-20 08:42:57 +08:00
|
|
|
/* poll VPGEN_VFRSTAT reg to make sure
|
|
|
|
* that reset is complete
|
|
|
|
*/
|
|
|
|
for (i = 0; i < 10; i++) {
|
|
|
|
/* VF reset requires driver to first reset the VF and then
|
|
|
|
* poll the status register to make sure that the reset
|
|
|
|
* completed successfully.
|
|
|
|
*/
|
|
|
|
usleep_range(10000, 20000);
|
|
|
|
reg = rd32(hw, VPGEN_VFRSTAT(vf->vf_id));
|
|
|
|
if (reg & VPGEN_VFRSTAT_VFRD_M) {
|
|
|
|
rsd = true;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Display a warning if VF didn't manage to reset in time, but need to
|
|
|
|
* continue on with the operation.
|
|
|
|
*/
|
|
|
|
if (!rsd)
|
|
|
|
dev_warn(&pf->pdev->dev, "VF reset check timeout on VF %d\n",
|
|
|
|
vf->vf_id);
|
|
|
|
|
|
|
|
usleep_range(10000, 20000);
|
|
|
|
|
2019-02-27 08:35:14 +08:00
|
|
|
/* disable promiscuous modes in case they were enabled
|
|
|
|
* ignore any error if disabling process failed
|
|
|
|
*/
|
|
|
|
if (test_bit(ICE_VF_STATE_UC_PROMISC, vf->vf_states) ||
|
|
|
|
test_bit(ICE_VF_STATE_MC_PROMISC, vf->vf_states)) {
|
|
|
|
if (vf->port_vlan_id || vf->num_vlan)
|
|
|
|
promisc_m = ICE_UCAST_VLAN_PROMISC_BITS;
|
|
|
|
else
|
|
|
|
promisc_m = ICE_UCAST_PROMISC_BITS;
|
|
|
|
|
|
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
|
|
|
if (ice_vf_set_vsi_promisc(vf, vsi, promisc_m, true))
|
|
|
|
dev_err(&pf->pdev->dev, "disabling promiscuous mode failed\n");
|
|
|
|
}
|
|
|
|
|
2018-09-20 08:42:57 +08:00
|
|
|
/* free VF resources to begin resetting the VSI state */
|
|
|
|
ice_free_vf_res(vf);
|
|
|
|
|
|
|
|
ice_cleanup_and_realloc_vf(vf);
|
|
|
|
|
|
|
|
ice_flush(hw);
|
|
|
|
clear_bit(__ICE_VF_DIS, pf->state);
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
2018-09-20 08:43:00 +08:00
|
|
|
/**
|
|
|
|
* ice_vc_notify_link_state - Inform all VFs on a PF of link status
|
|
|
|
* @pf: pointer to the PF structure
|
|
|
|
*/
|
|
|
|
void ice_vc_notify_link_state(struct ice_pf *pf)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
|
|
|
for (i = 0; i < pf->num_alloc_vfs; i++)
|
|
|
|
ice_vc_notify_vf_link_state(&pf->vf[i]);
|
|
|
|
}
|
|
|
|
|
2018-09-20 08:42:57 +08:00
|
|
|
/**
|
|
|
|
* ice_vc_notify_reset - Send pending reset message to all VFs
|
|
|
|
* @pf: pointer to the PF structure
|
|
|
|
*
|
|
|
|
* indicate a pending reset to all VFs on a given PF
|
|
|
|
*/
|
|
|
|
void ice_vc_notify_reset(struct ice_pf *pf)
|
|
|
|
{
|
|
|
|
struct virtchnl_pf_event pfe;
|
|
|
|
|
|
|
|
if (!pf->num_alloc_vfs)
|
|
|
|
return;
|
|
|
|
|
|
|
|
pfe.event = VIRTCHNL_EVENT_RESET_IMPENDING;
|
|
|
|
pfe.severity = PF_EVENT_SEVERITY_CERTAIN_DOOM;
|
2019-02-14 02:51:13 +08:00
|
|
|
ice_vc_vf_broadcast(pf, VIRTCHNL_OP_EVENT, VIRTCHNL_STATUS_SUCCESS,
|
2018-09-20 08:42:57 +08:00
|
|
|
(u8 *)&pfe, sizeof(struct virtchnl_pf_event));
|
|
|
|
}
|
|
|
|
|
2018-09-20 08:42:58 +08:00
|
|
|
/**
|
|
|
|
* ice_vc_notify_vf_reset - Notify VF of a reset event
|
|
|
|
* @vf: pointer to the VF structure
|
|
|
|
*/
|
|
|
|
static void ice_vc_notify_vf_reset(struct ice_vf *vf)
|
|
|
|
{
|
|
|
|
struct virtchnl_pf_event pfe;
|
|
|
|
|
|
|
|
/* validate the request */
|
|
|
|
if (!vf || vf->vf_id >= vf->pf->num_alloc_vfs)
|
|
|
|
return;
|
|
|
|
|
|
|
|
/* verify if the VF is in either init or active before proceeding */
|
|
|
|
if (!test_bit(ICE_VF_STATE_INIT, vf->vf_states) &&
|
|
|
|
!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states))
|
|
|
|
return;
|
|
|
|
|
|
|
|
pfe.event = VIRTCHNL_EVENT_RESET_IMPENDING;
|
|
|
|
pfe.severity = PF_EVENT_SEVERITY_CERTAIN_DOOM;
|
2019-02-14 02:51:13 +08:00
|
|
|
ice_aq_send_msg_to_vf(&vf->pf->hw, vf->vf_id, VIRTCHNL_OP_EVENT,
|
|
|
|
VIRTCHNL_STATUS_SUCCESS, (u8 *)&pfe, sizeof(pfe),
|
|
|
|
NULL);
|
2018-09-20 08:42:58 +08:00
|
|
|
}
|
|
|
|
|
2018-09-20 08:42:55 +08:00
|
|
|
/**
|
|
|
|
* ice_alloc_vfs - Allocate and set up VFs resources
|
|
|
|
* @pf: pointer to the PF structure
|
|
|
|
* @num_alloc_vfs: number of VFs to allocate
|
|
|
|
*/
|
|
|
|
static int ice_alloc_vfs(struct ice_pf *pf, u16 num_alloc_vfs)
|
|
|
|
{
|
|
|
|
struct ice_hw *hw = &pf->hw;
|
|
|
|
struct ice_vf *vfs;
|
|
|
|
int i, ret;
|
|
|
|
|
|
|
|
/* Disable global interrupt 0 so we don't try to handle the VFLR. */
|
|
|
|
wr32(hw, GLINT_DYN_CTL(pf->hw_oicr_idx),
|
|
|
|
ICE_ITR_NONE << GLINT_DYN_CTL_ITR_INDX_S);
|
|
|
|
|
|
|
|
ice_flush(hw);
|
|
|
|
|
|
|
|
ret = pci_enable_sriov(pf->pdev, num_alloc_vfs);
|
|
|
|
if (ret) {
|
|
|
|
pf->num_alloc_vfs = 0;
|
|
|
|
goto err_unroll_intr;
|
|
|
|
}
|
|
|
|
/* allocate memory */
|
|
|
|
vfs = devm_kcalloc(&pf->pdev->dev, num_alloc_vfs, sizeof(*vfs),
|
|
|
|
GFP_KERNEL);
|
|
|
|
if (!vfs) {
|
|
|
|
ret = -ENOMEM;
|
|
|
|
goto err_unroll_sriov;
|
|
|
|
}
|
|
|
|
pf->vf = vfs;
|
|
|
|
|
|
|
|
/* apply default profile */
|
|
|
|
for (i = 0; i < num_alloc_vfs; i++) {
|
|
|
|
vfs[i].pf = pf;
|
|
|
|
vfs[i].vf_sw_id = pf->first_sw;
|
|
|
|
vfs[i].vf_id = i;
|
|
|
|
|
|
|
|
/* assign default capabilities */
|
|
|
|
set_bit(ICE_VIRTCHNL_VF_CAP_L2, &vfs[i].vf_caps);
|
|
|
|
vfs[i].spoofchk = true;
|
|
|
|
|
|
|
|
/* Set this state so that PF driver does VF vector assignment */
|
|
|
|
set_bit(ICE_VF_STATE_CFG_INTR, vfs[i].vf_states);
|
|
|
|
}
|
|
|
|
pf->num_alloc_vfs = num_alloc_vfs;
|
|
|
|
|
|
|
|
/* VF resources get allocated during reset */
|
2019-02-09 04:50:58 +08:00
|
|
|
if (!ice_reset_all_vfs(pf, true))
|
2018-09-20 08:42:55 +08:00
|
|
|
goto err_unroll_sriov;
|
|
|
|
|
|
|
|
goto err_unroll_intr;
|
|
|
|
|
|
|
|
err_unroll_sriov:
|
|
|
|
pci_disable_sriov(pf->pdev);
|
|
|
|
err_unroll_intr:
|
|
|
|
/* rearm interrupts here */
|
|
|
|
ice_irq_dynamic_ena(hw, NULL, NULL);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_pf_state_is_nominal - checks the pf for nominal state
|
|
|
|
* @pf: pointer to pf to check
|
|
|
|
*
|
|
|
|
* Check the PF's state for a collection of bits that would indicate
|
|
|
|
* the PF is in a state that would inhibit normal operation for
|
|
|
|
* driver functionality.
|
|
|
|
*
|
|
|
|
* Returns true if PF is in a nominal state.
|
|
|
|
* Returns false otherwise
|
|
|
|
*/
|
|
|
|
static bool ice_pf_state_is_nominal(struct ice_pf *pf)
|
|
|
|
{
|
|
|
|
DECLARE_BITMAP(check_bits, __ICE_STATE_NBITS) = { 0 };
|
|
|
|
|
|
|
|
if (!pf)
|
|
|
|
return false;
|
|
|
|
|
|
|
|
bitmap_set(check_bits, 0, __ICE_STATE_NOMINAL_CHECK_BITS);
|
|
|
|
if (bitmap_intersects(pf->state, check_bits, __ICE_STATE_NBITS))
|
|
|
|
return false;
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_pci_sriov_ena - Enable or change number of VFs
|
|
|
|
* @pf: pointer to the PF structure
|
|
|
|
* @num_vfs: number of VFs to allocate
|
|
|
|
*/
|
|
|
|
static int ice_pci_sriov_ena(struct ice_pf *pf, int num_vfs)
|
|
|
|
{
|
|
|
|
int pre_existing_vfs = pci_num_vf(pf->pdev);
|
|
|
|
struct device *dev = &pf->pdev->dev;
|
|
|
|
int err;
|
|
|
|
|
|
|
|
if (!ice_pf_state_is_nominal(pf)) {
|
|
|
|
dev_err(dev, "Cannot enable SR-IOV, device not ready\n");
|
|
|
|
return -EBUSY;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!test_bit(ICE_FLAG_SRIOV_CAPABLE, pf->flags)) {
|
|
|
|
dev_err(dev, "This device is not capable of SR-IOV\n");
|
|
|
|
return -ENODEV;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (pre_existing_vfs && pre_existing_vfs != num_vfs)
|
|
|
|
ice_free_vfs(pf);
|
|
|
|
else if (pre_existing_vfs && pre_existing_vfs == num_vfs)
|
|
|
|
return num_vfs;
|
|
|
|
|
|
|
|
if (num_vfs > pf->num_vfs_supported) {
|
|
|
|
dev_err(dev, "Can't enable %d VFs, max VFs supported is %d\n",
|
|
|
|
num_vfs, pf->num_vfs_supported);
|
|
|
|
return -ENOTSUPP;
|
|
|
|
}
|
|
|
|
|
|
|
|
dev_info(dev, "Allocating %d VFs\n", num_vfs);
|
|
|
|
err = ice_alloc_vfs(pf, num_vfs);
|
|
|
|
if (err) {
|
|
|
|
dev_err(dev, "Failed to enable SR-IOV: %d\n", err);
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
set_bit(ICE_FLAG_SRIOV_ENA, pf->flags);
|
|
|
|
return num_vfs;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_sriov_configure - Enable or change number of VFs via sysfs
|
|
|
|
* @pdev: pointer to a pci_dev structure
|
|
|
|
* @num_vfs: number of VFs to allocate
|
|
|
|
*
|
|
|
|
* This function is called when the user updates the number of VFs in sysfs.
|
|
|
|
*/
|
|
|
|
int ice_sriov_configure(struct pci_dev *pdev, int num_vfs)
|
|
|
|
{
|
|
|
|
struct ice_pf *pf = pci_get_drvdata(pdev);
|
|
|
|
|
|
|
|
if (num_vfs)
|
|
|
|
return ice_pci_sriov_ena(pf, num_vfs);
|
|
|
|
|
|
|
|
if (!pci_vfs_assigned(pdev)) {
|
|
|
|
ice_free_vfs(pf);
|
|
|
|
} else {
|
|
|
|
dev_err(&pf->pdev->dev,
|
|
|
|
"can't free VFs because some are assigned to VMs.\n");
|
|
|
|
return -EBUSY;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
2018-09-20 08:42:57 +08:00
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_process_vflr_event - Free VF resources via IRQ calls
|
|
|
|
* @pf: pointer to the PF structure
|
|
|
|
*
|
2018-10-27 02:44:46 +08:00
|
|
|
* called from the VFLR IRQ handler to
|
2018-09-20 08:42:57 +08:00
|
|
|
* free up VF resources and state variables
|
|
|
|
*/
|
|
|
|
void ice_process_vflr_event(struct ice_pf *pf)
|
|
|
|
{
|
|
|
|
struct ice_hw *hw = &pf->hw;
|
|
|
|
int vf_id;
|
|
|
|
u32 reg;
|
|
|
|
|
2019-03-01 07:25:58 +08:00
|
|
|
if (!test_and_clear_bit(__ICE_VFLR_EVENT_PENDING, pf->state) ||
|
2018-09-20 08:42:57 +08:00
|
|
|
!pf->num_alloc_vfs)
|
|
|
|
return;
|
|
|
|
|
|
|
|
for (vf_id = 0; vf_id < pf->num_alloc_vfs; vf_id++) {
|
|
|
|
struct ice_vf *vf = &pf->vf[vf_id];
|
|
|
|
u32 reg_idx, bit_idx;
|
|
|
|
|
|
|
|
reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32;
|
|
|
|
bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32;
|
|
|
|
/* read GLGEN_VFLRSTAT register to find out the flr VFs */
|
|
|
|
reg = rd32(hw, GLGEN_VFLRSTAT(reg_idx));
|
|
|
|
if (reg & BIT(bit_idx))
|
|
|
|
/* GLGEN_VFLRSTAT bit will be cleared in ice_reset_vf */
|
|
|
|
ice_reset_vf(vf, true);
|
|
|
|
}
|
|
|
|
}
|
2018-09-20 08:42:58 +08:00
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_vc_dis_vf - Disable a given VF via SW reset
|
|
|
|
* @vf: pointer to the VF info
|
|
|
|
*
|
|
|
|
* Disable the VF through a SW reset
|
|
|
|
*/
|
|
|
|
static void ice_vc_dis_vf(struct ice_vf *vf)
|
|
|
|
{
|
|
|
|
ice_vc_notify_vf_reset(vf);
|
|
|
|
ice_reset_vf(vf, false);
|
|
|
|
}
|
|
|
|
|
2018-09-20 08:42:59 +08:00
|
|
|
/**
|
|
|
|
* ice_vc_send_msg_to_vf - Send message to VF
|
|
|
|
* @vf: pointer to the VF info
|
|
|
|
* @v_opcode: virtual channel opcode
|
|
|
|
* @v_retval: virtual channel return value
|
|
|
|
* @msg: pointer to the msg buffer
|
|
|
|
* @msglen: msg length
|
|
|
|
*
|
|
|
|
* send msg to VF
|
|
|
|
*/
|
2019-02-27 08:35:11 +08:00
|
|
|
static int
|
2019-02-14 02:51:13 +08:00
|
|
|
ice_vc_send_msg_to_vf(struct ice_vf *vf, u32 v_opcode,
|
|
|
|
enum virtchnl_status_code v_retval, u8 *msg, u16 msglen)
|
2018-09-20 08:42:59 +08:00
|
|
|
{
|
|
|
|
enum ice_status aq_ret;
|
|
|
|
struct ice_pf *pf;
|
|
|
|
|
|
|
|
/* validate the request */
|
|
|
|
if (!vf || vf->vf_id >= vf->pf->num_alloc_vfs)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
pf = vf->pf;
|
|
|
|
|
|
|
|
/* single place to detect unsuccessful return values */
|
|
|
|
if (v_retval) {
|
|
|
|
vf->num_inval_msgs++;
|
|
|
|
dev_info(&pf->pdev->dev, "VF %d failed opcode %d, retval: %d\n",
|
|
|
|
vf->vf_id, v_opcode, v_retval);
|
|
|
|
if (vf->num_inval_msgs > ICE_DFLT_NUM_INVAL_MSGS_ALLOWED) {
|
|
|
|
dev_err(&pf->pdev->dev,
|
|
|
|
"Number of invalid messages exceeded for VF %d\n",
|
|
|
|
vf->vf_id);
|
|
|
|
dev_err(&pf->pdev->dev, "Use PF Control I/F to enable the VF\n");
|
|
|
|
set_bit(ICE_VF_STATE_DIS, vf->vf_states);
|
|
|
|
return -EIO;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
vf->num_valid_msgs++;
|
|
|
|
/* reset the invalid counter, if a valid message is received. */
|
|
|
|
vf->num_inval_msgs = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
aq_ret = ice_aq_send_msg_to_vf(&pf->hw, vf->vf_id, v_opcode, v_retval,
|
|
|
|
msg, msglen, NULL);
|
|
|
|
if (aq_ret) {
|
|
|
|
dev_info(&pf->pdev->dev,
|
|
|
|
"Unable to send the message to VF %d aq_err %d\n",
|
|
|
|
vf->vf_id, pf->hw.mailboxq.sq_last_status);
|
|
|
|
return -EIO;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_vc_get_ver_msg
|
|
|
|
* @vf: pointer to the VF info
|
|
|
|
* @msg: pointer to the msg buffer
|
|
|
|
*
|
|
|
|
* called from the VF to request the API version used by the PF
|
|
|
|
*/
|
|
|
|
static int ice_vc_get_ver_msg(struct ice_vf *vf, u8 *msg)
|
|
|
|
{
|
|
|
|
struct virtchnl_version_info info = {
|
|
|
|
VIRTCHNL_VERSION_MAJOR, VIRTCHNL_VERSION_MINOR
|
|
|
|
};
|
|
|
|
|
|
|
|
vf->vf_ver = *(struct virtchnl_version_info *)msg;
|
|
|
|
/* VFs running the 1.0 API expect to get 1.0 back or they will cry. */
|
|
|
|
if (VF_IS_V10(&vf->vf_ver))
|
|
|
|
info.minor = VIRTCHNL_VERSION_MINOR_NO_VF_CAPS;
|
|
|
|
|
2019-02-14 02:51:13 +08:00
|
|
|
return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_VERSION,
|
|
|
|
VIRTCHNL_STATUS_SUCCESS, (u8 *)&info,
|
2018-09-20 08:42:59 +08:00
|
|
|
sizeof(struct virtchnl_version_info));
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_vc_get_vf_res_msg
|
|
|
|
* @vf: pointer to the VF info
|
|
|
|
* @msg: pointer to the msg buffer
|
|
|
|
*
|
|
|
|
* called from the VF to request its resources
|
|
|
|
*/
|
|
|
|
static int ice_vc_get_vf_res_msg(struct ice_vf *vf, u8 *msg)
|
|
|
|
{
|
2019-02-14 02:51:13 +08:00
|
|
|
enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
|
2018-09-20 08:42:59 +08:00
|
|
|
struct virtchnl_vf_resource *vfres = NULL;
|
|
|
|
struct ice_pf *pf = vf->pf;
|
|
|
|
struct ice_vsi *vsi;
|
|
|
|
int len = 0;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
if (!test_bit(ICE_VF_STATE_INIT, vf->vf_states)) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto err;
|
|
|
|
}
|
|
|
|
|
|
|
|
len = sizeof(struct virtchnl_vf_resource);
|
|
|
|
|
|
|
|
vfres = devm_kzalloc(&pf->pdev->dev, len, GFP_KERNEL);
|
|
|
|
if (!vfres) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_NO_MEMORY;
|
2018-09-20 08:42:59 +08:00
|
|
|
len = 0;
|
|
|
|
goto err;
|
|
|
|
}
|
|
|
|
if (VF_IS_V11(&vf->vf_ver))
|
|
|
|
vf->driver_caps = *(u32 *)msg;
|
|
|
|
else
|
|
|
|
vf->driver_caps = VIRTCHNL_VF_OFFLOAD_L2 |
|
|
|
|
VIRTCHNL_VF_OFFLOAD_RSS_REG |
|
|
|
|
VIRTCHNL_VF_OFFLOAD_VLAN;
|
|
|
|
|
|
|
|
vfres->vf_cap_flags = VIRTCHNL_VF_OFFLOAD_L2;
|
|
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
2019-02-27 08:35:19 +08:00
|
|
|
if (!vsi) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2019-02-27 08:35:19 +08:00
|
|
|
goto err;
|
|
|
|
}
|
|
|
|
|
2018-09-20 08:42:59 +08:00
|
|
|
if (!vsi->info.pvid)
|
|
|
|
vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_VLAN;
|
|
|
|
|
|
|
|
if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
|
|
|
|
vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RSS_PF;
|
|
|
|
} else {
|
|
|
|
if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RSS_AQ)
|
|
|
|
vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RSS_AQ;
|
|
|
|
else
|
|
|
|
vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RSS_REG;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2)
|
|
|
|
vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2;
|
|
|
|
|
|
|
|
if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_ENCAP)
|
|
|
|
vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_ENCAP;
|
|
|
|
|
|
|
|
if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_ENCAP_CSUM)
|
|
|
|
vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_ENCAP_CSUM;
|
|
|
|
|
|
|
|
if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RX_POLLING)
|
|
|
|
vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RX_POLLING;
|
|
|
|
|
|
|
|
if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_WB_ON_ITR)
|
|
|
|
vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_WB_ON_ITR;
|
|
|
|
|
|
|
|
if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_REQ_QUEUES)
|
|
|
|
vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_REQ_QUEUES;
|
|
|
|
|
|
|
|
if (vf->driver_caps & VIRTCHNL_VF_CAP_ADV_LINK_SPEED)
|
|
|
|
vfres->vf_cap_flags |= VIRTCHNL_VF_CAP_ADV_LINK_SPEED;
|
|
|
|
|
|
|
|
vfres->num_vsis = 1;
|
|
|
|
/* Tx and Rx queue are equal for VF */
|
|
|
|
vfres->num_queue_pairs = vsi->num_txq;
|
|
|
|
vfres->max_vectors = pf->num_vf_msix;
|
|
|
|
vfres->rss_key_size = ICE_VSIQF_HKEY_ARRAY_SIZE;
|
|
|
|
vfres->rss_lut_size = ICE_VSIQF_HLUT_ARRAY_SIZE;
|
|
|
|
|
|
|
|
vfres->vsi_res[0].vsi_id = vf->lan_vsi_num;
|
|
|
|
vfres->vsi_res[0].vsi_type = VIRTCHNL_VSI_SRIOV;
|
|
|
|
vfres->vsi_res[0].num_queue_pairs = vsi->num_txq;
|
|
|
|
ether_addr_copy(vfres->vsi_res[0].default_mac_addr,
|
|
|
|
vf->dflt_lan_addr.addr);
|
|
|
|
|
|
|
|
set_bit(ICE_VF_STATE_ACTIVE, vf->vf_states);
|
|
|
|
|
|
|
|
err:
|
|
|
|
/* send the response back to the VF */
|
2019-02-14 02:51:13 +08:00
|
|
|
ret = ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_GET_VF_RESOURCES, v_ret,
|
2018-09-20 08:42:59 +08:00
|
|
|
(u8 *)vfres, len);
|
|
|
|
|
|
|
|
devm_kfree(&pf->pdev->dev, vfres);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_vc_reset_vf_msg
|
|
|
|
* @vf: pointer to the VF info
|
|
|
|
*
|
|
|
|
* called from the VF to reset itself,
|
|
|
|
* unlike other virtchnl messages, PF driver
|
|
|
|
* doesn't send the response back to the VF
|
|
|
|
*/
|
|
|
|
static void ice_vc_reset_vf_msg(struct ice_vf *vf)
|
|
|
|
{
|
|
|
|
if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states))
|
|
|
|
ice_reset_vf(vf, false);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_find_vsi_from_id
|
|
|
|
* @pf: the pf structure to search for the VSI
|
2019-02-20 07:04:13 +08:00
|
|
|
* @id: ID of the VSI it is searching for
|
2018-09-20 08:42:59 +08:00
|
|
|
*
|
2019-02-20 07:04:13 +08:00
|
|
|
* searches for the VSI with the given ID
|
2018-09-20 08:42:59 +08:00
|
|
|
*/
|
|
|
|
static struct ice_vsi *ice_find_vsi_from_id(struct ice_pf *pf, u16 id)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
2019-02-09 04:50:54 +08:00
|
|
|
ice_for_each_vsi(pf, i)
|
2018-09-20 08:42:59 +08:00
|
|
|
if (pf->vsi[i] && pf->vsi[i]->vsi_num == id)
|
|
|
|
return pf->vsi[i];
|
|
|
|
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_vc_isvalid_vsi_id
|
|
|
|
* @vf: pointer to the VF info
|
2019-02-20 07:04:13 +08:00
|
|
|
* @vsi_id: VF relative VSI ID
|
2018-09-20 08:42:59 +08:00
|
|
|
*
|
2019-02-20 07:04:13 +08:00
|
|
|
* check for the valid VSI ID
|
2018-09-20 08:42:59 +08:00
|
|
|
*/
|
|
|
|
static bool ice_vc_isvalid_vsi_id(struct ice_vf *vf, u16 vsi_id)
|
|
|
|
{
|
|
|
|
struct ice_pf *pf = vf->pf;
|
|
|
|
struct ice_vsi *vsi;
|
|
|
|
|
|
|
|
vsi = ice_find_vsi_from_id(pf, vsi_id);
|
|
|
|
|
|
|
|
return (vsi && (vsi->vf_id == vf->vf_id));
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_vc_isvalid_q_id
|
|
|
|
* @vf: pointer to the VF info
|
2019-02-20 07:04:13 +08:00
|
|
|
* @vsi_id: VSI ID
|
|
|
|
* @qid: VSI relative queue ID
|
2018-09-20 08:42:59 +08:00
|
|
|
*
|
2019-02-20 07:04:13 +08:00
|
|
|
* check for the valid queue ID
|
2018-09-20 08:42:59 +08:00
|
|
|
*/
|
|
|
|
static bool ice_vc_isvalid_q_id(struct ice_vf *vf, u16 vsi_id, u8 qid)
|
|
|
|
{
|
|
|
|
struct ice_vsi *vsi = ice_find_vsi_from_id(vf->pf, vsi_id);
|
|
|
|
/* allocated Tx and Rx queues should be always equal for VF VSI */
|
|
|
|
return (vsi && (qid < vsi->alloc_txq));
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_vc_config_rss_key
|
|
|
|
* @vf: pointer to the VF info
|
|
|
|
* @msg: pointer to the msg buffer
|
|
|
|
*
|
|
|
|
* Configure the VF's RSS key
|
|
|
|
*/
|
|
|
|
static int ice_vc_config_rss_key(struct ice_vf *vf, u8 *msg)
|
|
|
|
{
|
2019-02-14 02:51:13 +08:00
|
|
|
enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
|
2018-09-20 08:42:59 +08:00
|
|
|
struct virtchnl_rss_key *vrk =
|
|
|
|
(struct virtchnl_rss_key *)msg;
|
2019-02-27 08:35:19 +08:00
|
|
|
struct ice_pf *pf = vf->pf;
|
2019-02-14 02:51:13 +08:00
|
|
|
struct ice_vsi *vsi = NULL;
|
2018-09-20 08:42:59 +08:00
|
|
|
|
|
|
|
if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!ice_vc_isvalid_vsi_id(vf, vrk->vsi_id)) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
2019-02-27 08:35:19 +08:00
|
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
2018-09-20 08:42:59 +08:00
|
|
|
if (!vsi) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (vrk->key_len != ICE_VSIQF_HKEY_ARRAY_SIZE) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!test_bit(ICE_FLAG_RSS_ENA, vf->pf->flags)) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
2019-02-14 02:51:13 +08:00
|
|
|
if (ice_set_rss(vsi, vrk->key, NULL, 0))
|
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR;
|
2018-09-20 08:42:59 +08:00
|
|
|
error_param:
|
2019-02-14 02:51:13 +08:00
|
|
|
return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_RSS_KEY, v_ret,
|
2018-09-20 08:42:59 +08:00
|
|
|
NULL, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_vc_config_rss_lut
|
|
|
|
* @vf: pointer to the VF info
|
|
|
|
* @msg: pointer to the msg buffer
|
|
|
|
*
|
|
|
|
* Configure the VF's RSS LUT
|
|
|
|
*/
|
|
|
|
static int ice_vc_config_rss_lut(struct ice_vf *vf, u8 *msg)
|
|
|
|
{
|
|
|
|
struct virtchnl_rss_lut *vrl = (struct virtchnl_rss_lut *)msg;
|
2019-02-14 02:51:13 +08:00
|
|
|
enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
|
2019-02-27 08:35:19 +08:00
|
|
|
struct ice_pf *pf = vf->pf;
|
2019-02-14 02:51:13 +08:00
|
|
|
struct ice_vsi *vsi = NULL;
|
2018-09-20 08:42:59 +08:00
|
|
|
|
|
|
|
if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!ice_vc_isvalid_vsi_id(vf, vrl->vsi_id)) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
2019-02-27 08:35:19 +08:00
|
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
2018-09-20 08:42:59 +08:00
|
|
|
if (!vsi) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (vrl->lut_entries != ICE_VSIQF_HLUT_ARRAY_SIZE) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!test_bit(ICE_FLAG_RSS_ENA, vf->pf->flags)) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
2019-02-14 02:51:13 +08:00
|
|
|
if (ice_set_rss(vsi, NULL, vrl->lut, ICE_VSIQF_HLUT_ARRAY_SIZE))
|
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR;
|
2018-09-20 08:42:59 +08:00
|
|
|
error_param:
|
2019-02-14 02:51:13 +08:00
|
|
|
return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_RSS_LUT, v_ret,
|
2018-09-20 08:42:59 +08:00
|
|
|
NULL, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_vc_get_stats_msg
|
|
|
|
* @vf: pointer to the VF info
|
|
|
|
* @msg: pointer to the msg buffer
|
|
|
|
*
|
|
|
|
* called from the VF to get VSI stats
|
|
|
|
*/
|
|
|
|
static int ice_vc_get_stats_msg(struct ice_vf *vf, u8 *msg)
|
|
|
|
{
|
2019-02-14 02:51:13 +08:00
|
|
|
enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
|
2018-09-20 08:42:59 +08:00
|
|
|
struct virtchnl_queue_select *vqs =
|
|
|
|
(struct virtchnl_queue_select *)msg;
|
2019-02-27 08:35:19 +08:00
|
|
|
struct ice_pf *pf = vf->pf;
|
2018-09-20 08:42:59 +08:00
|
|
|
struct ice_eth_stats stats;
|
|
|
|
struct ice_vsi *vsi;
|
|
|
|
|
|
|
|
if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!ice_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
2019-02-27 08:35:19 +08:00
|
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
2018-09-20 08:42:59 +08:00
|
|
|
if (!vsi) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
|
|
|
memset(&stats, 0, sizeof(struct ice_eth_stats));
|
|
|
|
ice_update_eth_stats(vsi);
|
|
|
|
|
|
|
|
stats = vsi->eth_stats;
|
|
|
|
|
|
|
|
error_param:
|
|
|
|
/* send the response to the VF */
|
2019-02-14 02:51:13 +08:00
|
|
|
return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_GET_STATS, v_ret,
|
2018-09-20 08:42:59 +08:00
|
|
|
(u8 *)&stats, sizeof(stats));
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_vc_ena_qs_msg
|
|
|
|
* @vf: pointer to the VF info
|
|
|
|
* @msg: pointer to the msg buffer
|
|
|
|
*
|
|
|
|
* called from the VF to enable all or specific queue(s)
|
|
|
|
*/
|
|
|
|
static int ice_vc_ena_qs_msg(struct ice_vf *vf, u8 *msg)
|
|
|
|
{
|
2019-02-14 02:51:13 +08:00
|
|
|
enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
|
2018-09-20 08:42:59 +08:00
|
|
|
struct virtchnl_queue_select *vqs =
|
|
|
|
(struct virtchnl_queue_select *)msg;
|
2019-02-27 08:35:19 +08:00
|
|
|
struct ice_pf *pf = vf->pf;
|
2018-09-20 08:42:59 +08:00
|
|
|
struct ice_vsi *vsi;
|
|
|
|
|
|
|
|
if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!ice_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!vqs->rx_queues && !vqs->tx_queues) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
2019-02-27 08:35:19 +08:00
|
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
2018-09-20 08:42:59 +08:00
|
|
|
if (!vsi) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Enable only Rx rings, Tx rings were enabled by the FW when the
|
|
|
|
* Tx queue group list was configured and the context bits were
|
|
|
|
* programmed using ice_vsi_cfg_txqs
|
|
|
|
*/
|
|
|
|
if (ice_vsi_start_rx_rings(vsi))
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
|
|
|
|
/* Set flag to indicate that queues are enabled */
|
2019-02-14 02:51:13 +08:00
|
|
|
if (v_ret == VIRTCHNL_STATUS_SUCCESS)
|
2018-09-20 08:42:59 +08:00
|
|
|
set_bit(ICE_VF_STATE_ENA, vf->vf_states);
|
|
|
|
|
|
|
|
error_param:
|
|
|
|
/* send the response to the VF */
|
2019-02-14 02:51:13 +08:00
|
|
|
return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ENABLE_QUEUES, v_ret,
|
2018-09-20 08:42:59 +08:00
|
|
|
NULL, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_vc_dis_qs_msg
|
|
|
|
* @vf: pointer to the VF info
|
|
|
|
* @msg: pointer to the msg buffer
|
|
|
|
*
|
|
|
|
* called from the VF to disable all or specific
|
|
|
|
* queue(s)
|
|
|
|
*/
|
|
|
|
static int ice_vc_dis_qs_msg(struct ice_vf *vf, u8 *msg)
|
|
|
|
{
|
2019-02-14 02:51:13 +08:00
|
|
|
enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
|
2018-09-20 08:42:59 +08:00
|
|
|
struct virtchnl_queue_select *vqs =
|
|
|
|
(struct virtchnl_queue_select *)msg;
|
2019-02-27 08:35:19 +08:00
|
|
|
struct ice_pf *pf = vf->pf;
|
2018-09-20 08:42:59 +08:00
|
|
|
struct ice_vsi *vsi;
|
|
|
|
|
|
|
|
if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states) &&
|
|
|
|
!test_bit(ICE_VF_STATE_ENA, vf->vf_states)) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!ice_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!vqs->rx_queues && !vqs->tx_queues) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
2019-02-27 08:35:19 +08:00
|
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
2018-09-20 08:42:59 +08:00
|
|
|
if (!vsi) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
2018-12-20 02:03:27 +08:00
|
|
|
if (ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, vf->vf_id)) {
|
2018-09-20 08:42:59 +08:00
|
|
|
dev_err(&vsi->back->pdev->dev,
|
|
|
|
"Failed to stop tx rings on VSI %d\n",
|
|
|
|
vsi->vsi_num);
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
if (ice_vsi_stop_rx_rings(vsi)) {
|
|
|
|
dev_err(&vsi->back->pdev->dev,
|
|
|
|
"Failed to stop rx rings on VSI %d\n",
|
|
|
|
vsi->vsi_num);
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Clear enabled queues flag */
|
2019-02-14 02:51:13 +08:00
|
|
|
if (v_ret == VIRTCHNL_STATUS_SUCCESS)
|
2018-09-20 08:42:59 +08:00
|
|
|
clear_bit(ICE_VF_STATE_ENA, vf->vf_states);
|
|
|
|
|
|
|
|
error_param:
|
|
|
|
/* send the response to the VF */
|
2019-02-14 02:51:13 +08:00
|
|
|
return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_DISABLE_QUEUES, v_ret,
|
2018-09-20 08:42:59 +08:00
|
|
|
NULL, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_vc_cfg_irq_map_msg
|
|
|
|
* @vf: pointer to the VF info
|
|
|
|
* @msg: pointer to the msg buffer
|
|
|
|
*
|
|
|
|
* called from the VF to configure the IRQ to queue map
|
|
|
|
*/
|
|
|
|
static int ice_vc_cfg_irq_map_msg(struct ice_vf *vf, u8 *msg)
|
|
|
|
{
|
2019-02-14 02:51:13 +08:00
|
|
|
enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
|
2018-09-20 08:42:59 +08:00
|
|
|
struct virtchnl_irq_map_info *irqmap_info =
|
|
|
|
(struct virtchnl_irq_map_info *)msg;
|
|
|
|
u16 vsi_id, vsi_q_id, vector_id;
|
|
|
|
struct virtchnl_vector_map *map;
|
|
|
|
struct ice_vsi *vsi = NULL;
|
|
|
|
struct ice_pf *pf = vf->pf;
|
|
|
|
unsigned long qmap;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
|
|
|
for (i = 0; i < irqmap_info->num_vectors; i++) {
|
|
|
|
map = &irqmap_info->vecmap[i];
|
|
|
|
|
|
|
|
vector_id = map->vector_id;
|
|
|
|
vsi_id = map->vsi_id;
|
|
|
|
/* validate msg params */
|
|
|
|
if (!(vector_id < pf->hw.func_caps.common_cap
|
|
|
|
.num_msix_vectors) || !ice_vc_isvalid_vsi_id(vf, vsi_id)) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
2019-02-27 08:35:19 +08:00
|
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
2018-09-20 08:42:59 +08:00
|
|
|
if (!vsi) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* lookout for the invalid queue index */
|
|
|
|
qmap = map->rxq_map;
|
|
|
|
for_each_set_bit(vsi_q_id, &qmap, ICE_MAX_BASE_QS_PER_VF) {
|
2018-09-20 08:43:05 +08:00
|
|
|
struct ice_q_vector *q_vector;
|
|
|
|
|
2018-09-20 08:42:59 +08:00
|
|
|
if (!ice_vc_isvalid_q_id(vf, vsi_id, vsi_q_id)) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
2018-09-20 08:43:05 +08:00
|
|
|
q_vector = vsi->q_vectors[i];
|
|
|
|
q_vector->num_ring_rx++;
|
|
|
|
q_vector->rx.itr_idx = map->rxitr_idx;
|
|
|
|
vsi->rx_rings[vsi_q_id]->q_vector = q_vector;
|
2018-09-20 08:42:59 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
qmap = map->txq_map;
|
|
|
|
for_each_set_bit(vsi_q_id, &qmap, ICE_MAX_BASE_QS_PER_VF) {
|
2018-09-20 08:43:05 +08:00
|
|
|
struct ice_q_vector *q_vector;
|
|
|
|
|
2018-09-20 08:42:59 +08:00
|
|
|
if (!ice_vc_isvalid_q_id(vf, vsi_id, vsi_q_id)) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
2018-09-20 08:43:05 +08:00
|
|
|
q_vector = vsi->q_vectors[i];
|
|
|
|
q_vector->num_ring_tx++;
|
|
|
|
q_vector->tx.itr_idx = map->txitr_idx;
|
|
|
|
vsi->tx_rings[vsi_q_id]->q_vector = q_vector;
|
2018-09-20 08:42:59 +08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (vsi)
|
|
|
|
ice_vsi_cfg_msix(vsi);
|
|
|
|
error_param:
|
|
|
|
/* send the response to the VF */
|
2019-02-14 02:51:13 +08:00
|
|
|
return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_IRQ_MAP, v_ret,
|
2018-09-20 08:42:59 +08:00
|
|
|
NULL, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_vc_cfg_qs_msg
|
|
|
|
* @vf: pointer to the VF info
|
|
|
|
* @msg: pointer to the msg buffer
|
|
|
|
*
|
|
|
|
* called from the VF to configure the Rx/Tx queues
|
|
|
|
*/
|
|
|
|
static int ice_vc_cfg_qs_msg(struct ice_vf *vf, u8 *msg)
|
|
|
|
{
|
2019-02-14 02:51:13 +08:00
|
|
|
enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
|
2018-09-20 08:42:59 +08:00
|
|
|
struct virtchnl_vsi_queue_config_info *qci =
|
|
|
|
(struct virtchnl_vsi_queue_config_info *)msg;
|
|
|
|
struct virtchnl_queue_pair_info *qpi;
|
2019-02-27 08:35:09 +08:00
|
|
|
struct ice_pf *pf = vf->pf;
|
2018-09-20 08:42:59 +08:00
|
|
|
struct ice_vsi *vsi;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!ice_vc_isvalid_vsi_id(vf, qci->vsi_id)) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
2019-02-27 08:35:19 +08:00
|
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
2018-09-20 08:42:59 +08:00
|
|
|
if (!vsi) {
|
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
2019-02-27 08:35:09 +08:00
|
|
|
if (qci->num_queue_pairs > ICE_MAX_BASE_QS_PER_VF) {
|
|
|
|
dev_err(&pf->pdev->dev,
|
|
|
|
"VF-%d requesting more than supported number of queues: %d\n",
|
|
|
|
vf->vf_id, qci->num_queue_pairs);
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2019-02-27 08:35:09 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
2018-09-20 08:42:59 +08:00
|
|
|
for (i = 0; i < qci->num_queue_pairs; i++) {
|
|
|
|
qpi = &qci->qpair[i];
|
|
|
|
if (qpi->txq.vsi_id != qci->vsi_id ||
|
|
|
|
qpi->rxq.vsi_id != qci->vsi_id ||
|
|
|
|
qpi->rxq.queue_id != qpi->txq.queue_id ||
|
|
|
|
!ice_vc_isvalid_q_id(vf, qci->vsi_id, qpi->txq.queue_id)) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
/* copy Tx queue info from VF into VSI */
|
|
|
|
vsi->tx_rings[i]->dma = qpi->txq.dma_ring_addr;
|
|
|
|
vsi->tx_rings[i]->count = qpi->txq.ring_len;
|
2018-10-27 02:44:46 +08:00
|
|
|
/* copy Rx queue info from VF into VSI */
|
2018-09-20 08:42:59 +08:00
|
|
|
vsi->rx_rings[i]->dma = qpi->rxq.dma_ring_addr;
|
|
|
|
vsi->rx_rings[i]->count = qpi->rxq.ring_len;
|
|
|
|
if (qpi->rxq.databuffer_size > ((16 * 1024) - 128)) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
vsi->rx_buf_len = qpi->rxq.databuffer_size;
|
|
|
|
if (qpi->rxq.max_pkt_size >= (16 * 1024) ||
|
|
|
|
qpi->rxq.max_pkt_size < 64) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
vsi->max_frame = qpi->rxq.max_pkt_size;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* VF can request to configure less than allocated queues
|
|
|
|
* or default allocated queues. So update the VSI with new number
|
|
|
|
*/
|
|
|
|
vsi->num_txq = qci->num_queue_pairs;
|
|
|
|
vsi->num_rxq = qci->num_queue_pairs;
|
2019-02-14 02:51:09 +08:00
|
|
|
/* All queues of VF VSI are in TC 0 */
|
|
|
|
vsi->tc_cfg.tc_info[0].qcount_tx = qci->num_queue_pairs;
|
|
|
|
vsi->tc_cfg.tc_info[0].qcount_rx = qci->num_queue_pairs;
|
2018-09-20 08:42:59 +08:00
|
|
|
|
2019-02-14 02:51:13 +08:00
|
|
|
if (ice_vsi_cfg_lan_txqs(vsi) || ice_vsi_cfg_rxqs(vsi))
|
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR;
|
2018-09-20 08:42:59 +08:00
|
|
|
|
|
|
|
error_param:
|
|
|
|
/* send the response to the VF */
|
2019-02-14 02:51:13 +08:00
|
|
|
return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_VSI_QUEUES, v_ret,
|
2018-09-20 08:42:59 +08:00
|
|
|
NULL, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_is_vf_trusted
|
|
|
|
* @vf: pointer to the VF info
|
|
|
|
*/
|
|
|
|
static bool ice_is_vf_trusted(struct ice_vf *vf)
|
|
|
|
{
|
|
|
|
return test_bit(ICE_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_can_vf_change_mac
|
|
|
|
* @vf: pointer to the VF info
|
|
|
|
*
|
|
|
|
* Return true if the VF is allowed to change its MAC filters, false otherwise
|
|
|
|
*/
|
|
|
|
static bool ice_can_vf_change_mac(struct ice_vf *vf)
|
|
|
|
{
|
|
|
|
/* If the VF MAC address has been set administratively (via the
|
|
|
|
* ndo_set_vf_mac command), then deny permission to the VF to
|
|
|
|
* add/delete unicast MAC addresses, unless the VF is trusted
|
|
|
|
*/
|
|
|
|
if (vf->pf_set_mac && !ice_is_vf_trusted(vf))
|
|
|
|
return false;
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_vc_handle_mac_addr_msg
|
|
|
|
* @vf: pointer to the VF info
|
|
|
|
* @msg: pointer to the msg buffer
|
2019-02-20 07:04:13 +08:00
|
|
|
* @set: true if MAC filters are being set, false otherwise
|
2018-09-20 08:42:59 +08:00
|
|
|
*
|
2018-10-27 02:44:46 +08:00
|
|
|
* add guest MAC address filter
|
2018-09-20 08:42:59 +08:00
|
|
|
*/
|
|
|
|
static int
|
|
|
|
ice_vc_handle_mac_addr_msg(struct ice_vf *vf, u8 *msg, bool set)
|
|
|
|
{
|
2019-02-14 02:51:13 +08:00
|
|
|
enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
|
2018-09-20 08:42:59 +08:00
|
|
|
struct virtchnl_ether_addr_list *al =
|
|
|
|
(struct virtchnl_ether_addr_list *)msg;
|
|
|
|
struct ice_pf *pf = vf->pf;
|
|
|
|
enum virtchnl_ops vc_op;
|
|
|
|
LIST_HEAD(mac_list);
|
|
|
|
struct ice_vsi *vsi;
|
|
|
|
int mac_count = 0;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
if (set)
|
|
|
|
vc_op = VIRTCHNL_OP_ADD_ETH_ADDR;
|
|
|
|
else
|
|
|
|
vc_op = VIRTCHNL_OP_DEL_ETH_ADDR;
|
|
|
|
|
|
|
|
if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states) ||
|
|
|
|
!ice_vc_isvalid_vsi_id(vf, al->vsi_id)) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto handle_mac_exit;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (set && !ice_is_vf_trusted(vf) &&
|
|
|
|
(vf->num_mac + al->num_elements) > ICE_MAX_MACADDR_PER_VF) {
|
|
|
|
dev_err(&pf->pdev->dev,
|
2019-02-27 08:35:18 +08:00
|
|
|
"Can't add more MAC addresses, because VF-%d is not trusted, switch the VF to trusted mode in order to add more functionalities\n",
|
|
|
|
vf->vf_id);
|
|
|
|
/* There is no need to let VF know about not being trusted
|
|
|
|
* to add more MAC addr, so we can just return success message.
|
|
|
|
*/
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto handle_mac_exit;
|
|
|
|
}
|
|
|
|
|
|
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
2019-02-27 08:35:19 +08:00
|
|
|
if (!vsi) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2019-02-27 08:35:19 +08:00
|
|
|
goto handle_mac_exit;
|
|
|
|
}
|
2018-09-20 08:42:59 +08:00
|
|
|
|
|
|
|
for (i = 0; i < al->num_elements; i++) {
|
|
|
|
u8 *maddr = al->list[i].addr;
|
|
|
|
|
|
|
|
if (ether_addr_equal(maddr, vf->dflt_lan_addr.addr) ||
|
|
|
|
is_broadcast_ether_addr(maddr)) {
|
|
|
|
if (set) {
|
|
|
|
/* VF is trying to add filters that the PF
|
|
|
|
* already added. Just continue.
|
|
|
|
*/
|
|
|
|
dev_info(&pf->pdev->dev,
|
2019-02-21 01:11:48 +08:00
|
|
|
"MAC %pM already set for VF %d\n",
|
2018-09-20 08:42:59 +08:00
|
|
|
maddr, vf->vf_id);
|
|
|
|
continue;
|
|
|
|
} else {
|
2019-02-20 07:04:13 +08:00
|
|
|
/* VF can't remove dflt_lan_addr/bcast MAC */
|
2018-09-20 08:42:59 +08:00
|
|
|
dev_err(&pf->pdev->dev,
|
2019-02-21 01:11:48 +08:00
|
|
|
"VF can't remove default MAC address or MAC %pM programmed by PF for VF %d\n",
|
2018-09-20 08:42:59 +08:00
|
|
|
maddr, vf->vf_id);
|
2019-02-21 01:11:48 +08:00
|
|
|
continue;
|
2018-09-20 08:42:59 +08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* check for the invalid cases and bail if necessary */
|
|
|
|
if (is_zero_ether_addr(maddr)) {
|
|
|
|
dev_err(&pf->pdev->dev,
|
2019-02-21 01:11:48 +08:00
|
|
|
"invalid MAC %pM provided for VF %d\n",
|
2018-09-20 08:42:59 +08:00
|
|
|
maddr, vf->vf_id);
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto handle_mac_exit;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (is_unicast_ether_addr(maddr) &&
|
|
|
|
!ice_can_vf_change_mac(vf)) {
|
|
|
|
dev_err(&pf->pdev->dev,
|
2019-02-21 01:11:48 +08:00
|
|
|
"can't change unicast MAC for untrusted VF %d\n",
|
2018-09-20 08:42:59 +08:00
|
|
|
vf->vf_id);
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto handle_mac_exit;
|
|
|
|
}
|
|
|
|
|
2019-02-20 07:04:13 +08:00
|
|
|
/* get here if maddr is multicast or if VF can change MAC */
|
2018-09-20 08:42:59 +08:00
|
|
|
if (ice_add_mac_to_list(vsi, &mac_list, al->list[i].addr)) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_NO_MEMORY;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto handle_mac_exit;
|
|
|
|
}
|
|
|
|
mac_count++;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* program the updated filter list */
|
|
|
|
if (set)
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = ice_err_to_virt_err(ice_add_mac(&pf->hw, &mac_list));
|
2018-09-20 08:42:59 +08:00
|
|
|
else
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = ice_err_to_virt_err(ice_remove_mac(&pf->hw, &mac_list));
|
2018-09-20 08:42:59 +08:00
|
|
|
|
2019-02-14 02:51:13 +08:00
|
|
|
if (v_ret) {
|
2018-09-20 08:42:59 +08:00
|
|
|
dev_err(&pf->pdev->dev,
|
2019-02-21 01:11:48 +08:00
|
|
|
"can't update MAC filters for VF %d, error %d\n",
|
2019-02-14 02:51:13 +08:00
|
|
|
vf->vf_id, v_ret);
|
2018-09-20 08:42:59 +08:00
|
|
|
} else {
|
|
|
|
if (set)
|
|
|
|
vf->num_mac += mac_count;
|
|
|
|
else
|
|
|
|
vf->num_mac -= mac_count;
|
|
|
|
}
|
|
|
|
|
|
|
|
handle_mac_exit:
|
|
|
|
ice_free_fltr_list(&pf->pdev->dev, &mac_list);
|
|
|
|
/* send the response to the VF */
|
2019-02-14 02:51:13 +08:00
|
|
|
return ice_vc_send_msg_to_vf(vf, vc_op, v_ret, NULL, 0);
|
2018-09-20 08:42:59 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_vc_add_mac_addr_msg
|
|
|
|
* @vf: pointer to the VF info
|
|
|
|
* @msg: pointer to the msg buffer
|
|
|
|
*
|
|
|
|
* add guest MAC address filter
|
|
|
|
*/
|
|
|
|
static int ice_vc_add_mac_addr_msg(struct ice_vf *vf, u8 *msg)
|
|
|
|
{
|
|
|
|
return ice_vc_handle_mac_addr_msg(vf, msg, true);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_vc_del_mac_addr_msg
|
|
|
|
* @vf: pointer to the VF info
|
|
|
|
* @msg: pointer to the msg buffer
|
|
|
|
*
|
|
|
|
* remove guest MAC address filter
|
|
|
|
*/
|
|
|
|
static int ice_vc_del_mac_addr_msg(struct ice_vf *vf, u8 *msg)
|
|
|
|
{
|
|
|
|
return ice_vc_handle_mac_addr_msg(vf, msg, false);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_vc_request_qs_msg
|
|
|
|
* @vf: pointer to the VF info
|
|
|
|
* @msg: pointer to the msg buffer
|
|
|
|
*
|
|
|
|
* VFs get a default number of queues but can use this message to request a
|
2018-10-27 02:44:46 +08:00
|
|
|
* different number. If the request is successful, PF will reset the VF and
|
2018-09-20 08:42:59 +08:00
|
|
|
* return 0. If unsuccessful, PF will send message informing VF of number of
|
2019-02-20 07:04:13 +08:00
|
|
|
* available queue pairs via virtchnl message response to VF.
|
2018-09-20 08:42:59 +08:00
|
|
|
*/
|
|
|
|
static int ice_vc_request_qs_msg(struct ice_vf *vf, u8 *msg)
|
|
|
|
{
|
2019-02-14 02:51:13 +08:00
|
|
|
enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
|
2018-09-20 08:42:59 +08:00
|
|
|
struct virtchnl_vf_res_request *vfres =
|
|
|
|
(struct virtchnl_vf_res_request *)msg;
|
|
|
|
int req_queues = vfres->num_queue_pairs;
|
|
|
|
struct ice_pf *pf = vf->pf;
|
2019-02-27 08:35:09 +08:00
|
|
|
int max_allowed_vf_queues;
|
2018-09-20 08:42:59 +08:00
|
|
|
int tx_rx_queue_left;
|
|
|
|
int cur_queues;
|
|
|
|
|
|
|
|
if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
2019-02-27 08:35:09 +08:00
|
|
|
cur_queues = vf->num_vf_qs;
|
2018-09-20 08:42:59 +08:00
|
|
|
tx_rx_queue_left = min_t(int, pf->q_left_tx, pf->q_left_rx);
|
2019-02-27 08:35:09 +08:00
|
|
|
max_allowed_vf_queues = tx_rx_queue_left + cur_queues;
|
2018-09-20 08:42:59 +08:00
|
|
|
if (req_queues <= 0) {
|
|
|
|
dev_err(&pf->pdev->dev,
|
2018-10-27 02:44:46 +08:00
|
|
|
"VF %d tried to request %d queues. Ignoring.\n",
|
2018-09-20 08:42:59 +08:00
|
|
|
vf->vf_id, req_queues);
|
2019-02-27 08:35:09 +08:00
|
|
|
} else if (req_queues > ICE_MAX_BASE_QS_PER_VF) {
|
2018-09-20 08:42:59 +08:00
|
|
|
dev_err(&pf->pdev->dev,
|
|
|
|
"VF %d tried to request more than %d queues.\n",
|
2019-02-27 08:35:09 +08:00
|
|
|
vf->vf_id, ICE_MAX_BASE_QS_PER_VF);
|
|
|
|
vfres->num_queue_pairs = ICE_MAX_BASE_QS_PER_VF;
|
2018-09-20 08:42:59 +08:00
|
|
|
} else if (req_queues - cur_queues > tx_rx_queue_left) {
|
|
|
|
dev_warn(&pf->pdev->dev,
|
|
|
|
"VF %d requested %d more queues, but only %d left.\n",
|
|
|
|
vf->vf_id, req_queues - cur_queues, tx_rx_queue_left);
|
2019-02-27 08:35:09 +08:00
|
|
|
vfres->num_queue_pairs = min_t(int, max_allowed_vf_queues,
|
|
|
|
ICE_MAX_BASE_QS_PER_VF);
|
2018-09-20 08:42:59 +08:00
|
|
|
} else {
|
|
|
|
/* request is successful, then reset VF */
|
|
|
|
vf->num_req_qs = req_queues;
|
|
|
|
ice_vc_dis_vf(vf);
|
|
|
|
dev_info(&pf->pdev->dev,
|
|
|
|
"VF %d granted request of %d queues.\n",
|
|
|
|
vf->vf_id, req_queues);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
error_param:
|
|
|
|
/* send the response to the VF */
|
|
|
|
return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_REQUEST_QUEUES,
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret, (u8 *)vfres, sizeof(*vfres));
|
2018-09-20 08:42:59 +08:00
|
|
|
}
|
|
|
|
|
2018-09-20 08:42:58 +08:00
|
|
|
/**
|
|
|
|
* ice_set_vf_port_vlan
|
|
|
|
* @netdev: network interface device structure
|
|
|
|
* @vf_id: VF identifier
|
2019-02-20 07:04:13 +08:00
|
|
|
* @vlan_id: VLAN ID being set
|
2018-09-20 08:42:58 +08:00
|
|
|
* @qos: priority setting
|
|
|
|
* @vlan_proto: VLAN protocol
|
|
|
|
*
|
2019-02-20 07:04:13 +08:00
|
|
|
* program VF Port VLAN ID and/or QoS
|
2018-09-20 08:42:58 +08:00
|
|
|
*/
|
|
|
|
int
|
|
|
|
ice_set_vf_port_vlan(struct net_device *netdev, int vf_id, u16 vlan_id, u8 qos,
|
|
|
|
__be16 vlan_proto)
|
|
|
|
{
|
|
|
|
u16 vlanprio = vlan_id | (qos << ICE_VLAN_PRIORITY_S);
|
|
|
|
struct ice_netdev_priv *np = netdev_priv(netdev);
|
|
|
|
struct ice_pf *pf = np->vsi->back;
|
|
|
|
struct ice_vsi *vsi;
|
|
|
|
struct ice_vf *vf;
|
|
|
|
int ret = 0;
|
|
|
|
|
|
|
|
/* validate the request */
|
|
|
|
if (vf_id >= pf->num_alloc_vfs) {
|
|
|
|
dev_err(&pf->pdev->dev, "invalid VF id: %d\n", vf_id);
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (vlan_id > ICE_MAX_VLANID || qos > 7) {
|
|
|
|
dev_err(&pf->pdev->dev, "Invalid VF Parameters\n");
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (vlan_proto != htons(ETH_P_8021Q)) {
|
|
|
|
dev_err(&pf->pdev->dev, "VF VLAN protocol is not supported\n");
|
|
|
|
return -EPROTONOSUPPORT;
|
|
|
|
}
|
|
|
|
|
|
|
|
vf = &pf->vf[vf_id];
|
|
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
|
|
|
if (!test_bit(ICE_VF_STATE_INIT, vf->vf_states)) {
|
|
|
|
dev_err(&pf->pdev->dev, "VF %d in reset. Try again.\n", vf_id);
|
|
|
|
return -EBUSY;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (le16_to_cpu(vsi->info.pvid) == vlanprio) {
|
|
|
|
/* duplicate request, so just return success */
|
|
|
|
dev_info(&pf->pdev->dev,
|
|
|
|
"Duplicate pvid %d request\n", vlanprio);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2019-02-20 07:04:13 +08:00
|
|
|
/* If PVID, then remove all filters on the old VLAN */
|
2018-09-20 08:42:58 +08:00
|
|
|
if (vsi->info.pvid)
|
|
|
|
ice_vsi_kill_vlan(vsi, (le16_to_cpu(vsi->info.pvid) &
|
|
|
|
VLAN_VID_MASK));
|
|
|
|
|
|
|
|
if (vlan_id || qos) {
|
2019-02-09 04:50:48 +08:00
|
|
|
ret = ice_vsi_manage_pvid(vsi, vlanprio, true);
|
2018-09-20 08:42:58 +08:00
|
|
|
if (ret)
|
|
|
|
goto error_set_pvid;
|
|
|
|
} else {
|
2019-02-09 04:50:48 +08:00
|
|
|
ice_vsi_manage_pvid(vsi, 0, false);
|
|
|
|
vsi->info.pvid = 0;
|
2018-09-20 08:42:58 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
if (vlan_id) {
|
|
|
|
dev_info(&pf->pdev->dev, "Setting VLAN %d, QOS 0x%x on VF %d\n",
|
|
|
|
vlan_id, qos, vf_id);
|
|
|
|
|
|
|
|
/* add new VLAN filter for each MAC */
|
|
|
|
ret = ice_vsi_add_vlan(vsi, vlan_id);
|
|
|
|
if (ret)
|
|
|
|
goto error_set_pvid;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* The Port VLAN needs to be saved across resets the same as the
|
|
|
|
* default LAN MAC address.
|
|
|
|
*/
|
|
|
|
vf->port_vlan_id = le16_to_cpu(vsi->info.pvid);
|
|
|
|
|
|
|
|
error_set_pvid:
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2018-09-20 08:42:59 +08:00
|
|
|
/**
|
|
|
|
* ice_vc_process_vlan_msg
|
|
|
|
* @vf: pointer to the VF info
|
|
|
|
* @msg: pointer to the msg buffer
|
|
|
|
* @add_v: Add VLAN if true, otherwise delete VLAN
|
|
|
|
*
|
2019-02-20 07:04:13 +08:00
|
|
|
* Process virtchnl op to add or remove programmed guest VLAN ID
|
2018-09-20 08:42:59 +08:00
|
|
|
*/
|
|
|
|
static int ice_vc_process_vlan_msg(struct ice_vf *vf, u8 *msg, bool add_v)
|
|
|
|
{
|
2019-02-14 02:51:13 +08:00
|
|
|
enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
|
2018-09-20 08:42:59 +08:00
|
|
|
struct virtchnl_vlan_filter_list *vfl =
|
|
|
|
(struct virtchnl_vlan_filter_list *)msg;
|
|
|
|
struct ice_pf *pf = vf->pf;
|
2019-02-27 08:35:14 +08:00
|
|
|
bool vlan_promisc = false;
|
2018-09-20 08:42:59 +08:00
|
|
|
struct ice_vsi *vsi;
|
2019-02-27 08:35:14 +08:00
|
|
|
struct ice_hw *hw;
|
|
|
|
int status = 0;
|
|
|
|
u8 promisc_m;
|
2018-09-20 08:42:59 +08:00
|
|
|
int i;
|
|
|
|
|
|
|
|
if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!ice_vc_isvalid_vsi_id(vf, vfl->vsi_id)) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (add_v && !ice_is_vf_trusted(vf) &&
|
|
|
|
vf->num_vlan >= ICE_MAX_VLAN_PER_VF) {
|
|
|
|
dev_info(&pf->pdev->dev,
|
2019-02-27 08:35:18 +08:00
|
|
|
"VF-%d is not trusted, switch the VF to trusted mode, in order to add more VLAN addresses\n",
|
|
|
|
vf->vf_id);
|
2019-02-27 08:35:14 +08:00
|
|
|
/* There is no need to let VF know about being not trusted,
|
|
|
|
* so we can just return success message here
|
|
|
|
*/
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
|
|
|
for (i = 0; i < vfl->num_elements; i++) {
|
|
|
|
if (vfl->vlan_id[i] > ICE_MAX_VLANID) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
dev_err(&pf->pdev->dev,
|
|
|
|
"invalid VF VLAN id %d\n", vfl->vlan_id[i]);
|
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2019-02-27 08:35:14 +08:00
|
|
|
hw = &pf->hw;
|
2019-02-27 08:35:19 +08:00
|
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
2018-09-20 08:42:59 +08:00
|
|
|
if (!vsi) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (vsi->info.pvid) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ice_vsi_manage_vlan_stripping(vsi, add_v)) {
|
|
|
|
dev_err(&pf->pdev->dev,
|
|
|
|
"%sable VLAN stripping failed for VSI %i\n",
|
|
|
|
add_v ? "en" : "dis", vsi->vsi_num);
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
2019-02-27 08:35:14 +08:00
|
|
|
if (test_bit(ICE_VF_STATE_UC_PROMISC, vf->vf_states) ||
|
|
|
|
test_bit(ICE_VF_STATE_MC_PROMISC, vf->vf_states))
|
|
|
|
vlan_promisc = true;
|
|
|
|
|
2018-09-20 08:42:59 +08:00
|
|
|
if (add_v) {
|
|
|
|
for (i = 0; i < vfl->num_elements; i++) {
|
|
|
|
u16 vid = vfl->vlan_id[i];
|
|
|
|
|
2019-03-01 07:25:57 +08:00
|
|
|
if (!ice_is_vf_trusted(vf) &&
|
|
|
|
vf->num_vlan >= ICE_MAX_VLAN_PER_VF) {
|
|
|
|
dev_info(&pf->pdev->dev,
|
|
|
|
"VF-%d is not trusted, switch the VF to trusted mode, in order to add more VLAN addresses\n",
|
|
|
|
vf->vf_id);
|
|
|
|
/* There is no need to let VF know about being
|
|
|
|
* not trusted, so we can just return success
|
|
|
|
* message here as well.
|
|
|
|
*/
|
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
2019-02-27 08:35:14 +08:00
|
|
|
if (ice_vsi_add_vlan(vsi, vid)) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2019-02-27 08:35:14 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
2018-09-20 08:42:59 +08:00
|
|
|
|
2019-02-27 08:35:14 +08:00
|
|
|
vf->num_vlan++;
|
|
|
|
/* Enable VLAN pruning when VLAN is added */
|
|
|
|
if (!vlan_promisc) {
|
|
|
|
status = ice_cfg_vlan_pruning(vsi, true, false);
|
|
|
|
if (status) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2019-02-27 08:35:14 +08:00
|
|
|
dev_err(&pf->pdev->dev,
|
|
|
|
"Enable VLAN pruning on VLAN ID: %d failed error-%d\n",
|
|
|
|
vid, status);
|
|
|
|
goto error_param;
|
|
|
|
}
|
2018-09-20 08:42:59 +08:00
|
|
|
} else {
|
2019-02-27 08:35:14 +08:00
|
|
|
/* Enable Ucast/Mcast VLAN promiscuous mode */
|
|
|
|
promisc_m = ICE_PROMISC_VLAN_TX |
|
|
|
|
ICE_PROMISC_VLAN_RX;
|
|
|
|
|
|
|
|
status = ice_set_vsi_promisc(hw, vsi->idx,
|
|
|
|
promisc_m, vid);
|
2019-02-14 02:51:13 +08:00
|
|
|
if (status) {
|
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2019-02-27 08:35:14 +08:00
|
|
|
dev_err(&pf->pdev->dev,
|
|
|
|
"Enable Unicast/multicast promiscuous mode on VLAN ID:%d failed error-%d\n",
|
|
|
|
vid, status);
|
2019-02-14 02:51:13 +08:00
|
|
|
}
|
2018-09-20 08:42:59 +08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
} else {
|
2019-04-17 01:21:16 +08:00
|
|
|
/* In case of non_trusted VF, number of VLAN elements passed
|
|
|
|
* to PF for removal might be greater than number of VLANs
|
|
|
|
* filter programmed for that VF - So, use actual number of
|
|
|
|
* VLANS added earlier with add VLAN opcode. In order to avoid
|
|
|
|
* removing VLAN that doesn't exist, which result to sending
|
|
|
|
* erroneous failed message back to the VF
|
|
|
|
*/
|
|
|
|
int num_vf_vlan;
|
|
|
|
|
|
|
|
num_vf_vlan = vf->num_vlan;
|
|
|
|
for (i = 0; i < vfl->num_elements && i < num_vf_vlan; i++) {
|
2018-09-20 08:42:59 +08:00
|
|
|
u16 vid = vfl->vlan_id[i];
|
|
|
|
|
|
|
|
/* Make sure ice_vsi_kill_vlan is successful before
|
|
|
|
* updating VLAN information
|
|
|
|
*/
|
2019-02-27 08:35:14 +08:00
|
|
|
if (ice_vsi_kill_vlan(vsi, vid)) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2019-02-27 08:35:14 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
|
|
|
vf->num_vlan--;
|
|
|
|
/* Disable VLAN pruning when removing VLAN */
|
|
|
|
ice_cfg_vlan_pruning(vsi, false, false);
|
|
|
|
|
|
|
|
/* Disable Unicast/Multicast VLAN promiscuous mode */
|
|
|
|
if (vlan_promisc) {
|
|
|
|
promisc_m = ICE_PROMISC_VLAN_TX |
|
|
|
|
ICE_PROMISC_VLAN_RX;
|
2018-09-20 08:42:59 +08:00
|
|
|
|
2019-02-27 08:35:14 +08:00
|
|
|
ice_clear_vsi_promisc(hw, vsi->idx,
|
|
|
|
promisc_m, vid);
|
2018-09-20 08:42:59 +08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
error_param:
|
|
|
|
/* send the response to the VF */
|
|
|
|
if (add_v)
|
2019-02-14 02:51:13 +08:00
|
|
|
return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ADD_VLAN, v_ret,
|
2018-09-20 08:42:59 +08:00
|
|
|
NULL, 0);
|
|
|
|
else
|
2019-02-14 02:51:13 +08:00
|
|
|
return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_DEL_VLAN, v_ret,
|
2018-09-20 08:42:59 +08:00
|
|
|
NULL, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_vc_add_vlan_msg
|
|
|
|
* @vf: pointer to the VF info
|
|
|
|
* @msg: pointer to the msg buffer
|
|
|
|
*
|
2019-02-20 07:04:13 +08:00
|
|
|
* Add and program guest VLAN ID
|
2018-09-20 08:42:59 +08:00
|
|
|
*/
|
|
|
|
static int ice_vc_add_vlan_msg(struct ice_vf *vf, u8 *msg)
|
|
|
|
{
|
|
|
|
return ice_vc_process_vlan_msg(vf, msg, true);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_vc_remove_vlan_msg
|
|
|
|
* @vf: pointer to the VF info
|
|
|
|
* @msg: pointer to the msg buffer
|
|
|
|
*
|
2019-02-20 07:04:13 +08:00
|
|
|
* remove programmed guest VLAN ID
|
2018-09-20 08:42:59 +08:00
|
|
|
*/
|
|
|
|
static int ice_vc_remove_vlan_msg(struct ice_vf *vf, u8 *msg)
|
|
|
|
{
|
|
|
|
return ice_vc_process_vlan_msg(vf, msg, false);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_vc_ena_vlan_stripping
|
|
|
|
* @vf: pointer to the VF info
|
|
|
|
*
|
|
|
|
* Enable VLAN header stripping for a given VF
|
|
|
|
*/
|
|
|
|
static int ice_vc_ena_vlan_stripping(struct ice_vf *vf)
|
|
|
|
{
|
2019-02-14 02:51:13 +08:00
|
|
|
enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
|
2018-09-20 08:42:59 +08:00
|
|
|
struct ice_pf *pf = vf->pf;
|
|
|
|
struct ice_vsi *vsi;
|
|
|
|
|
|
|
|
if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
|
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
|
|
|
if (ice_vsi_manage_vlan_stripping(vsi, true))
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
|
|
|
|
error_param:
|
|
|
|
return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ENABLE_VLAN_STRIPPING,
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret, NULL, 0);
|
2018-09-20 08:42:59 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_vc_dis_vlan_stripping
|
|
|
|
* @vf: pointer to the VF info
|
|
|
|
*
|
|
|
|
* Disable VLAN header stripping for a given VF
|
|
|
|
*/
|
|
|
|
static int ice_vc_dis_vlan_stripping(struct ice_vf *vf)
|
|
|
|
{
|
2019-02-14 02:51:13 +08:00
|
|
|
enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
|
2018-09-20 08:42:59 +08:00
|
|
|
struct ice_pf *pf = vf->pf;
|
|
|
|
struct ice_vsi *vsi;
|
|
|
|
|
|
|
|
if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
|
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
2019-02-27 08:35:19 +08:00
|
|
|
if (!vsi) {
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2019-02-27 08:35:19 +08:00
|
|
|
goto error_param;
|
|
|
|
}
|
|
|
|
|
2018-09-20 08:42:59 +08:00
|
|
|
if (ice_vsi_manage_vlan_stripping(vsi, false))
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
|
2018-09-20 08:42:59 +08:00
|
|
|
|
|
|
|
error_param:
|
|
|
|
return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_DISABLE_VLAN_STRIPPING,
|
2019-02-14 02:51:13 +08:00
|
|
|
v_ret, NULL, 0);
|
2018-09-20 08:42:59 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_vc_process_vf_msg - Process request from VF
|
|
|
|
* @pf: pointer to the PF structure
|
|
|
|
* @event: pointer to the AQ event
|
|
|
|
*
|
|
|
|
* called from the common asq/arq handler to
|
|
|
|
* process request from VF
|
|
|
|
*/
|
|
|
|
void ice_vc_process_vf_msg(struct ice_pf *pf, struct ice_rq_event_info *event)
|
|
|
|
{
|
|
|
|
u32 v_opcode = le32_to_cpu(event->desc.cookie_high);
|
|
|
|
s16 vf_id = le16_to_cpu(event->desc.retval);
|
|
|
|
u16 msglen = event->msg_len;
|
|
|
|
u8 *msg = event->msg_buf;
|
|
|
|
struct ice_vf *vf = NULL;
|
|
|
|
int err = 0;
|
|
|
|
|
|
|
|
if (vf_id >= pf->num_alloc_vfs) {
|
|
|
|
err = -EINVAL;
|
|
|
|
goto error_handler;
|
|
|
|
}
|
|
|
|
|
|
|
|
vf = &pf->vf[vf_id];
|
|
|
|
|
|
|
|
/* Check if VF is disabled. */
|
|
|
|
if (test_bit(ICE_VF_STATE_DIS, vf->vf_states)) {
|
|
|
|
err = -EPERM;
|
|
|
|
goto error_handler;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Perform basic checks on the msg */
|
|
|
|
err = virtchnl_vc_validate_vf_msg(&vf->vf_ver, v_opcode, msg, msglen);
|
|
|
|
if (err) {
|
2019-02-14 02:51:13 +08:00
|
|
|
if (err == VIRTCHNL_STATUS_ERR_PARAM)
|
2018-09-20 08:42:59 +08:00
|
|
|
err = -EPERM;
|
|
|
|
else
|
|
|
|
err = -EINVAL;
|
|
|
|
goto error_handler;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Perform additional checks specific to RSS and Virtchnl */
|
|
|
|
if (v_opcode == VIRTCHNL_OP_CONFIG_RSS_KEY) {
|
|
|
|
struct virtchnl_rss_key *vrk = (struct virtchnl_rss_key *)msg;
|
|
|
|
|
|
|
|
if (vrk->key_len != ICE_VSIQF_HKEY_ARRAY_SIZE)
|
|
|
|
err = -EINVAL;
|
|
|
|
} else if (v_opcode == VIRTCHNL_OP_CONFIG_RSS_LUT) {
|
|
|
|
struct virtchnl_rss_lut *vrl = (struct virtchnl_rss_lut *)msg;
|
|
|
|
|
|
|
|
if (vrl->lut_entries != ICE_VSIQF_HLUT_ARRAY_SIZE)
|
|
|
|
err = -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
error_handler:
|
|
|
|
if (err) {
|
2019-02-14 02:51:13 +08:00
|
|
|
ice_vc_send_msg_to_vf(vf, v_opcode, VIRTCHNL_STATUS_ERR_PARAM,
|
|
|
|
NULL, 0);
|
2018-09-20 08:42:59 +08:00
|
|
|
dev_err(&pf->pdev->dev, "Invalid message from VF %d, opcode %d, len %d, error %d\n",
|
|
|
|
vf_id, v_opcode, msglen, err);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
switch (v_opcode) {
|
|
|
|
case VIRTCHNL_OP_VERSION:
|
|
|
|
err = ice_vc_get_ver_msg(vf, msg);
|
|
|
|
break;
|
|
|
|
case VIRTCHNL_OP_GET_VF_RESOURCES:
|
|
|
|
err = ice_vc_get_vf_res_msg(vf, msg);
|
|
|
|
break;
|
|
|
|
case VIRTCHNL_OP_RESET_VF:
|
|
|
|
ice_vc_reset_vf_msg(vf);
|
|
|
|
break;
|
|
|
|
case VIRTCHNL_OP_ADD_ETH_ADDR:
|
|
|
|
err = ice_vc_add_mac_addr_msg(vf, msg);
|
|
|
|
break;
|
|
|
|
case VIRTCHNL_OP_DEL_ETH_ADDR:
|
|
|
|
err = ice_vc_del_mac_addr_msg(vf, msg);
|
|
|
|
break;
|
|
|
|
case VIRTCHNL_OP_CONFIG_VSI_QUEUES:
|
|
|
|
err = ice_vc_cfg_qs_msg(vf, msg);
|
|
|
|
break;
|
|
|
|
case VIRTCHNL_OP_ENABLE_QUEUES:
|
|
|
|
err = ice_vc_ena_qs_msg(vf, msg);
|
|
|
|
ice_vc_notify_vf_link_state(vf);
|
|
|
|
break;
|
|
|
|
case VIRTCHNL_OP_DISABLE_QUEUES:
|
|
|
|
err = ice_vc_dis_qs_msg(vf, msg);
|
|
|
|
break;
|
|
|
|
case VIRTCHNL_OP_REQUEST_QUEUES:
|
|
|
|
err = ice_vc_request_qs_msg(vf, msg);
|
|
|
|
break;
|
|
|
|
case VIRTCHNL_OP_CONFIG_IRQ_MAP:
|
|
|
|
err = ice_vc_cfg_irq_map_msg(vf, msg);
|
|
|
|
break;
|
|
|
|
case VIRTCHNL_OP_CONFIG_RSS_KEY:
|
|
|
|
err = ice_vc_config_rss_key(vf, msg);
|
|
|
|
break;
|
|
|
|
case VIRTCHNL_OP_CONFIG_RSS_LUT:
|
|
|
|
err = ice_vc_config_rss_lut(vf, msg);
|
|
|
|
break;
|
|
|
|
case VIRTCHNL_OP_GET_STATS:
|
|
|
|
err = ice_vc_get_stats_msg(vf, msg);
|
|
|
|
break;
|
|
|
|
case VIRTCHNL_OP_ADD_VLAN:
|
|
|
|
err = ice_vc_add_vlan_msg(vf, msg);
|
|
|
|
break;
|
|
|
|
case VIRTCHNL_OP_DEL_VLAN:
|
|
|
|
err = ice_vc_remove_vlan_msg(vf, msg);
|
|
|
|
break;
|
|
|
|
case VIRTCHNL_OP_ENABLE_VLAN_STRIPPING:
|
|
|
|
err = ice_vc_ena_vlan_stripping(vf);
|
|
|
|
break;
|
|
|
|
case VIRTCHNL_OP_DISABLE_VLAN_STRIPPING:
|
|
|
|
err = ice_vc_dis_vlan_stripping(vf);
|
|
|
|
break;
|
|
|
|
case VIRTCHNL_OP_UNKNOWN:
|
|
|
|
default:
|
|
|
|
dev_err(&pf->pdev->dev, "Unsupported opcode %d from VF %d\n",
|
|
|
|
v_opcode, vf_id);
|
2019-02-14 02:51:13 +08:00
|
|
|
err = ice_vc_send_msg_to_vf(vf, v_opcode,
|
|
|
|
VIRTCHNL_STATUS_ERR_NOT_SUPPORTED,
|
2018-09-20 08:42:59 +08:00
|
|
|
NULL, 0);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if (err) {
|
|
|
|
/* Helper function cares less about error return values here
|
|
|
|
* as it is busy with pending work.
|
|
|
|
*/
|
|
|
|
dev_info(&pf->pdev->dev,
|
2019-02-14 02:51:12 +08:00
|
|
|
"PF failed to honor VF %d, opcode %d, error %d\n",
|
2018-09-20 08:42:59 +08:00
|
|
|
vf_id, v_opcode, err);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2018-09-20 08:42:58 +08:00
|
|
|
/**
|
|
|
|
* ice_get_vf_cfg
|
|
|
|
* @netdev: network interface device structure
|
|
|
|
* @vf_id: VF identifier
|
|
|
|
* @ivi: VF configuration structure
|
|
|
|
*
|
|
|
|
* return VF configuration
|
|
|
|
*/
|
2019-02-27 08:35:11 +08:00
|
|
|
int
|
|
|
|
ice_get_vf_cfg(struct net_device *netdev, int vf_id, struct ifla_vf_info *ivi)
|
2018-09-20 08:42:58 +08:00
|
|
|
{
|
|
|
|
struct ice_netdev_priv *np = netdev_priv(netdev);
|
|
|
|
struct ice_vsi *vsi = np->vsi;
|
|
|
|
struct ice_pf *pf = vsi->back;
|
|
|
|
struct ice_vf *vf;
|
|
|
|
|
|
|
|
/* validate the request */
|
|
|
|
if (vf_id >= pf->num_alloc_vfs) {
|
|
|
|
netdev_err(netdev, "invalid VF id: %d\n", vf_id);
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
vf = &pf->vf[vf_id];
|
|
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
|
|
|
|
|
|
|
if (!test_bit(ICE_VF_STATE_INIT, vf->vf_states)) {
|
|
|
|
netdev_err(netdev, "VF %d in reset. Try again.\n", vf_id);
|
|
|
|
return -EBUSY;
|
|
|
|
}
|
|
|
|
|
|
|
|
ivi->vf = vf_id;
|
|
|
|
ether_addr_copy(ivi->mac, vf->dflt_lan_addr.addr);
|
|
|
|
|
|
|
|
/* VF configuration for VLAN and applicable QoS */
|
|
|
|
ivi->vlan = le16_to_cpu(vsi->info.pvid) & ICE_VLAN_M;
|
|
|
|
ivi->qos = (le16_to_cpu(vsi->info.pvid) & ICE_PRIORITY_M) >>
|
|
|
|
ICE_VLAN_PRIORITY_S;
|
|
|
|
|
|
|
|
ivi->trusted = vf->trusted;
|
|
|
|
ivi->spoofchk = vf->spoofchk;
|
|
|
|
if (!vf->link_forced)
|
|
|
|
ivi->linkstate = IFLA_VF_LINK_STATE_AUTO;
|
|
|
|
else if (vf->link_up)
|
|
|
|
ivi->linkstate = IFLA_VF_LINK_STATE_ENABLE;
|
|
|
|
else
|
|
|
|
ivi->linkstate = IFLA_VF_LINK_STATE_DISABLE;
|
|
|
|
ivi->max_tx_rate = vf->tx_rate;
|
|
|
|
ivi->min_tx_rate = 0;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_set_vf_spoofchk
|
|
|
|
* @netdev: network interface device structure
|
|
|
|
* @vf_id: VF identifier
|
|
|
|
* @ena: flag to enable or disable feature
|
|
|
|
*
|
|
|
|
* Enable or disable VF spoof checking
|
|
|
|
*/
|
|
|
|
int ice_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool ena)
|
|
|
|
{
|
|
|
|
struct ice_netdev_priv *np = netdev_priv(netdev);
|
|
|
|
struct ice_vsi *vsi = np->vsi;
|
|
|
|
struct ice_pf *pf = vsi->back;
|
2019-02-09 04:50:32 +08:00
|
|
|
struct ice_vsi_ctx *ctx;
|
|
|
|
enum ice_status status;
|
2018-09-20 08:42:58 +08:00
|
|
|
struct ice_vf *vf;
|
2019-02-09 04:50:32 +08:00
|
|
|
int ret = 0;
|
2018-09-20 08:42:58 +08:00
|
|
|
|
|
|
|
/* validate the request */
|
|
|
|
if (vf_id >= pf->num_alloc_vfs) {
|
|
|
|
netdev_err(netdev, "invalid VF id: %d\n", vf_id);
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
vf = &pf->vf[vf_id];
|
|
|
|
if (!test_bit(ICE_VF_STATE_INIT, vf->vf_states)) {
|
|
|
|
netdev_err(netdev, "VF %d in reset. Try again.\n", vf_id);
|
|
|
|
return -EBUSY;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ena == vf->spoofchk) {
|
|
|
|
dev_dbg(&pf->pdev->dev, "VF spoofchk already %s\n",
|
|
|
|
ena ? "ON" : "OFF");
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2019-02-09 04:50:32 +08:00
|
|
|
ctx = devm_kzalloc(&pf->pdev->dev, sizeof(*ctx), GFP_KERNEL);
|
|
|
|
if (!ctx)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
ctx->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_SECURITY_VALID);
|
2018-09-20 08:42:58 +08:00
|
|
|
|
|
|
|
if (ena) {
|
2019-02-09 04:50:32 +08:00
|
|
|
ctx->info.sec_flags |= ICE_AQ_VSI_SEC_FLAG_ENA_MAC_ANTI_SPOOF;
|
|
|
|
ctx->info.sw_flags2 |= ICE_AQ_VSI_SW_FLAG_RX_PRUNE_EN_M;
|
2018-09-20 08:42:58 +08:00
|
|
|
}
|
|
|
|
|
2019-02-09 04:50:32 +08:00
|
|
|
status = ice_update_vsi(&pf->hw, vsi->idx, ctx, NULL);
|
2018-09-20 08:42:58 +08:00
|
|
|
if (status) {
|
|
|
|
dev_dbg(&pf->pdev->dev,
|
|
|
|
"Error %d, failed to update VSI* parameters\n", status);
|
2019-02-09 04:50:32 +08:00
|
|
|
ret = -EIO;
|
|
|
|
goto out;
|
2018-09-20 08:42:58 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
vf->spoofchk = ena;
|
2019-02-09 04:50:32 +08:00
|
|
|
vsi->info.sec_flags = ctx->info.sec_flags;
|
|
|
|
vsi->info.sw_flags2 = ctx->info.sw_flags2;
|
|
|
|
out:
|
|
|
|
devm_kfree(&pf->pdev->dev, ctx);
|
|
|
|
return ret;
|
2018-09-20 08:42:58 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_set_vf_mac
|
|
|
|
* @netdev: network interface device structure
|
|
|
|
* @vf_id: VF identifier
|
2019-02-20 07:04:13 +08:00
|
|
|
* @mac: MAC address
|
2018-09-20 08:42:58 +08:00
|
|
|
*
|
2019-02-20 07:04:13 +08:00
|
|
|
* program VF MAC address
|
2018-09-20 08:42:58 +08:00
|
|
|
*/
|
|
|
|
int ice_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac)
|
|
|
|
{
|
|
|
|
struct ice_netdev_priv *np = netdev_priv(netdev);
|
|
|
|
struct ice_vsi *vsi = np->vsi;
|
|
|
|
struct ice_pf *pf = vsi->back;
|
|
|
|
struct ice_vf *vf;
|
|
|
|
int ret = 0;
|
|
|
|
|
|
|
|
/* validate the request */
|
|
|
|
if (vf_id >= pf->num_alloc_vfs) {
|
|
|
|
netdev_err(netdev, "invalid VF id: %d\n", vf_id);
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
vf = &pf->vf[vf_id];
|
|
|
|
if (!test_bit(ICE_VF_STATE_INIT, vf->vf_states)) {
|
|
|
|
netdev_err(netdev, "VF %d in reset. Try again.\n", vf_id);
|
|
|
|
return -EBUSY;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (is_zero_ether_addr(mac) || is_multicast_ether_addr(mac)) {
|
|
|
|
netdev_err(netdev, "%pM not a valid unicast address\n", mac);
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
2019-02-20 07:04:13 +08:00
|
|
|
/* copy MAC into dflt_lan_addr and trigger a VF reset. The reset
|
2018-09-20 08:42:58 +08:00
|
|
|
* flow will use the updated dflt_lan_addr and add a MAC filter
|
|
|
|
* using ice_add_mac. Also set pf_set_mac to indicate that the PF has
|
|
|
|
* set the MAC address for this VF.
|
|
|
|
*/
|
|
|
|
ether_addr_copy(vf->dflt_lan_addr.addr, mac);
|
|
|
|
vf->pf_set_mac = true;
|
|
|
|
netdev_info(netdev,
|
2019-02-21 01:11:48 +08:00
|
|
|
"MAC on VF %d set to %pM. VF driver will be reinitialized\n",
|
2018-09-20 08:42:58 +08:00
|
|
|
vf_id, mac);
|
|
|
|
|
|
|
|
ice_vc_dis_vf(vf);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_set_vf_trust
|
|
|
|
* @netdev: network interface device structure
|
|
|
|
* @vf_id: VF identifier
|
|
|
|
* @trusted: Boolean value to enable/disable trusted VF
|
|
|
|
*
|
|
|
|
* Enable or disable a given VF as trusted
|
|
|
|
*/
|
|
|
|
int ice_set_vf_trust(struct net_device *netdev, int vf_id, bool trusted)
|
|
|
|
{
|
|
|
|
struct ice_netdev_priv *np = netdev_priv(netdev);
|
|
|
|
struct ice_vsi *vsi = np->vsi;
|
|
|
|
struct ice_pf *pf = vsi->back;
|
|
|
|
struct ice_vf *vf;
|
|
|
|
|
|
|
|
/* validate the request */
|
|
|
|
if (vf_id >= pf->num_alloc_vfs) {
|
|
|
|
dev_err(&pf->pdev->dev, "invalid VF id: %d\n", vf_id);
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
vf = &pf->vf[vf_id];
|
|
|
|
if (!test_bit(ICE_VF_STATE_INIT, vf->vf_states)) {
|
|
|
|
dev_err(&pf->pdev->dev, "VF %d in reset. Try again.\n", vf_id);
|
|
|
|
return -EBUSY;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Check if already trusted */
|
|
|
|
if (trusted == vf->trusted)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
vf->trusted = trusted;
|
|
|
|
ice_vc_dis_vf(vf);
|
|
|
|
dev_info(&pf->pdev->dev, "VF %u is now %strusted\n",
|
|
|
|
vf_id, trusted ? "" : "un");
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ice_set_vf_link_state
|
|
|
|
* @netdev: network interface device structure
|
|
|
|
* @vf_id: VF identifier
|
|
|
|
* @link_state: required link state
|
|
|
|
*
|
|
|
|
* Set VF's link state, irrespective of physical link state status
|
|
|
|
*/
|
|
|
|
int ice_set_vf_link_state(struct net_device *netdev, int vf_id, int link_state)
|
|
|
|
{
|
|
|
|
struct ice_netdev_priv *np = netdev_priv(netdev);
|
|
|
|
struct ice_pf *pf = np->vsi->back;
|
|
|
|
struct virtchnl_pf_event pfe = { 0 };
|
|
|
|
struct ice_link_status *ls;
|
|
|
|
struct ice_vf *vf;
|
|
|
|
struct ice_hw *hw;
|
|
|
|
|
|
|
|
if (vf_id >= pf->num_alloc_vfs) {
|
|
|
|
dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
vf = &pf->vf[vf_id];
|
|
|
|
hw = &pf->hw;
|
|
|
|
ls = &pf->hw.port_info->phy.link_info;
|
|
|
|
|
|
|
|
if (!test_bit(ICE_VF_STATE_INIT, vf->vf_states)) {
|
|
|
|
dev_err(&pf->pdev->dev, "vf %d in reset. Try again.\n", vf_id);
|
|
|
|
return -EBUSY;
|
|
|
|
}
|
|
|
|
|
|
|
|
pfe.event = VIRTCHNL_EVENT_LINK_CHANGE;
|
|
|
|
pfe.severity = PF_EVENT_SEVERITY_INFO;
|
|
|
|
|
|
|
|
switch (link_state) {
|
|
|
|
case IFLA_VF_LINK_STATE_AUTO:
|
|
|
|
vf->link_forced = false;
|
|
|
|
vf->link_up = ls->link_info & ICE_AQ_LINK_UP;
|
|
|
|
break;
|
|
|
|
case IFLA_VF_LINK_STATE_ENABLE:
|
|
|
|
vf->link_forced = true;
|
|
|
|
vf->link_up = true;
|
|
|
|
break;
|
|
|
|
case IFLA_VF_LINK_STATE_DISABLE:
|
|
|
|
vf->link_forced = true;
|
|
|
|
vf->link_up = false;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (vf->link_forced)
|
|
|
|
ice_set_pfe_link_forced(vf, &pfe, vf->link_up);
|
|
|
|
else
|
|
|
|
ice_set_pfe_link(vf, &pfe, ls->link_speed, vf->link_up);
|
|
|
|
|
|
|
|
/* Notify the VF of its new link state */
|
2019-02-14 02:51:13 +08:00
|
|
|
ice_aq_send_msg_to_vf(hw, vf->vf_id, VIRTCHNL_OP_EVENT,
|
|
|
|
VIRTCHNL_STATUS_SUCCESS, (u8 *)&pfe,
|
2018-09-20 08:42:58 +08:00
|
|
|
sizeof(pfe), NULL);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|