mirror of https://gitee.com/openkylin/linux.git
4381 lines
114 KiB
C
4381 lines
114 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/* Copyright(c) 2013 - 2018 Intel Corporation. */
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#include "i40e.h"
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/*********************notification routines***********************/
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/**
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* i40e_vc_vf_broadcast
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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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* send a message to all VFs on a given PF
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**/
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static void i40e_vc_vf_broadcast(struct i40e_pf *pf,
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enum virtchnl_ops v_opcode,
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i40e_status v_retval, u8 *msg,
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u16 msglen)
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{
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struct i40e_hw *hw = &pf->hw;
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struct i40e_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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int abs_vf_id = vf->vf_id + (int)hw->func_caps.vf_base_id;
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/* Not all vfs are enabled so skip the ones that are not */
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if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states) &&
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!test_bit(I40E_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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i40e_aq_send_msg_to_vf(hw, abs_vf_id, v_opcode, v_retval,
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msg, msglen, NULL);
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}
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}
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/**
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* i40e_vc_notify_vf_link_state
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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 i40e_vc_notify_vf_link_state(struct i40e_vf *vf)
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{
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struct virtchnl_pf_event pfe;
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struct i40e_pf *pf = vf->pf;
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struct i40e_hw *hw = &pf->hw;
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struct i40e_link_status *ls = &pf->hw.phy.link_info;
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int abs_vf_id = vf->vf_id + (int)hw->func_caps.vf_base_id;
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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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pfe.event_data.link_event.link_status = vf->link_up;
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pfe.event_data.link_event.link_speed =
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(vf->link_up ? VIRTCHNL_LINK_SPEED_40GB : 0);
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} else {
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pfe.event_data.link_event.link_status =
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ls->link_info & I40E_AQ_LINK_UP;
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pfe.event_data.link_event.link_speed =
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i40e_virtchnl_link_speed(ls->link_speed);
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}
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i40e_aq_send_msg_to_vf(hw, abs_vf_id, VIRTCHNL_OP_EVENT,
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0, (u8 *)&pfe, sizeof(pfe), NULL);
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}
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/**
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* i40e_vc_notify_link_state
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* @pf: pointer to the PF structure
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*
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* send a link status message to all VFs on a given PF
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**/
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void i40e_vc_notify_link_state(struct i40e_pf *pf)
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{
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int i;
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for (i = 0; i < pf->num_alloc_vfs; i++)
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i40e_vc_notify_vf_link_state(&pf->vf[i]);
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}
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/**
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* i40e_vc_notify_reset
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* @pf: pointer to the PF structure
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*
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* indicate a pending reset to all VFs on a given PF
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**/
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void i40e_vc_notify_reset(struct i40e_pf *pf)
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{
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struct virtchnl_pf_event pfe;
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pfe.event = VIRTCHNL_EVENT_RESET_IMPENDING;
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pfe.severity = PF_EVENT_SEVERITY_CERTAIN_DOOM;
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i40e_vc_vf_broadcast(pf, VIRTCHNL_OP_EVENT, 0,
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(u8 *)&pfe, sizeof(struct virtchnl_pf_event));
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}
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/**
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* i40e_vc_notify_vf_reset
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* @vf: pointer to the VF structure
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*
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* indicate a pending reset to the given VF
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**/
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void i40e_vc_notify_vf_reset(struct i40e_vf *vf)
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{
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struct virtchnl_pf_event pfe;
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int abs_vf_id;
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/* validate the request */
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if (!vf || vf->vf_id >= vf->pf->num_alloc_vfs)
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return;
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/* verify if the VF is in either init or active before proceeding */
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if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states) &&
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!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states))
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return;
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abs_vf_id = vf->vf_id + (int)vf->pf->hw.func_caps.vf_base_id;
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pfe.event = VIRTCHNL_EVENT_RESET_IMPENDING;
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pfe.severity = PF_EVENT_SEVERITY_CERTAIN_DOOM;
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i40e_aq_send_msg_to_vf(&vf->pf->hw, abs_vf_id, VIRTCHNL_OP_EVENT,
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0, (u8 *)&pfe,
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sizeof(struct virtchnl_pf_event), NULL);
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}
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/***********************misc routines*****************************/
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/**
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* i40e_vc_disable_vf
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* @vf: pointer to the VF info
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*
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* Disable the VF through a SW reset.
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**/
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static inline void i40e_vc_disable_vf(struct i40e_vf *vf)
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{
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int i;
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i40e_vc_notify_vf_reset(vf);
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/* We want to ensure that an actual reset occurs initiated after this
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* function was called. However, we do not want to wait forever, so
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* we'll give a reasonable time and print a message if we failed to
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* ensure a reset.
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*/
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for (i = 0; i < 20; i++) {
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if (i40e_reset_vf(vf, false))
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return;
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usleep_range(10000, 20000);
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}
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dev_warn(&vf->pf->pdev->dev,
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"Failed to initiate reset for VF %d after 200 milliseconds\n",
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vf->vf_id);
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}
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/**
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* i40e_vc_isvalid_vsi_id
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* @vf: pointer to the VF info
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* @vsi_id: VF relative VSI id
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*
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* check for the valid VSI id
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**/
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static inline bool i40e_vc_isvalid_vsi_id(struct i40e_vf *vf, u16 vsi_id)
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{
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struct i40e_pf *pf = vf->pf;
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struct i40e_vsi *vsi = i40e_find_vsi_from_id(pf, vsi_id);
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return (vsi && (vsi->vf_id == vf->vf_id));
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}
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/**
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* i40e_vc_isvalid_queue_id
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* @vf: pointer to the VF info
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* @vsi_id: vsi id
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* @qid: vsi relative queue id
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*
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* check for the valid queue id
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**/
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static inline bool i40e_vc_isvalid_queue_id(struct i40e_vf *vf, u16 vsi_id,
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u8 qid)
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{
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struct i40e_pf *pf = vf->pf;
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struct i40e_vsi *vsi = i40e_find_vsi_from_id(pf, vsi_id);
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return (vsi && (qid < vsi->alloc_queue_pairs));
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}
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/**
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* i40e_vc_isvalid_vector_id
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* @vf: pointer to the VF info
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* @vector_id: VF relative vector id
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*
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* check for the valid vector id
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**/
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static inline bool i40e_vc_isvalid_vector_id(struct i40e_vf *vf, u8 vector_id)
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{
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struct i40e_pf *pf = vf->pf;
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return vector_id < pf->hw.func_caps.num_msix_vectors_vf;
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}
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/***********************vf resource mgmt routines*****************/
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/**
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* i40e_vc_get_pf_queue_id
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* @vf: pointer to the VF info
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* @vsi_id: id of VSI as provided by the FW
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* @vsi_queue_id: vsi relative queue id
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*
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* return PF relative queue id
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**/
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static u16 i40e_vc_get_pf_queue_id(struct i40e_vf *vf, u16 vsi_id,
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u8 vsi_queue_id)
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{
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struct i40e_pf *pf = vf->pf;
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struct i40e_vsi *vsi = i40e_find_vsi_from_id(pf, vsi_id);
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u16 pf_queue_id = I40E_QUEUE_END_OF_LIST;
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if (!vsi)
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return pf_queue_id;
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if (le16_to_cpu(vsi->info.mapping_flags) &
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I40E_AQ_VSI_QUE_MAP_NONCONTIG)
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pf_queue_id =
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le16_to_cpu(vsi->info.queue_mapping[vsi_queue_id]);
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else
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pf_queue_id = le16_to_cpu(vsi->info.queue_mapping[0]) +
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vsi_queue_id;
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return pf_queue_id;
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}
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/**
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* i40e_get_real_pf_qid
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* @vf: pointer to the VF info
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* @vsi_id: vsi id
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* @queue_id: queue number
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*
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* wrapper function to get pf_queue_id handling ADq code as well
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**/
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static u16 i40e_get_real_pf_qid(struct i40e_vf *vf, u16 vsi_id, u16 queue_id)
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{
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int i;
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if (vf->adq_enabled) {
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/* Although VF considers all the queues(can be 1 to 16) as its
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* own but they may actually belong to different VSIs(up to 4).
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* We need to find which queues belongs to which VSI.
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*/
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for (i = 0; i < vf->num_tc; i++) {
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if (queue_id < vf->ch[i].num_qps) {
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vsi_id = vf->ch[i].vsi_id;
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break;
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}
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/* find right queue id which is relative to a
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* given VSI.
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*/
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queue_id -= vf->ch[i].num_qps;
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}
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}
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return i40e_vc_get_pf_queue_id(vf, vsi_id, queue_id);
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}
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/**
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* i40e_config_irq_link_list
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* @vf: pointer to the VF info
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* @vsi_id: id of VSI as given by the FW
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* @vecmap: irq map info
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*
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* configure irq link list from the map
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**/
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static void i40e_config_irq_link_list(struct i40e_vf *vf, u16 vsi_id,
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struct virtchnl_vector_map *vecmap)
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{
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unsigned long linklistmap = 0, tempmap;
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struct i40e_pf *pf = vf->pf;
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struct i40e_hw *hw = &pf->hw;
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u16 vsi_queue_id, pf_queue_id;
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enum i40e_queue_type qtype;
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u16 next_q, vector_id, size;
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u32 reg, reg_idx;
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u16 itr_idx = 0;
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vector_id = vecmap->vector_id;
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/* setup the head */
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if (0 == vector_id)
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reg_idx = I40E_VPINT_LNKLST0(vf->vf_id);
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else
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reg_idx = I40E_VPINT_LNKLSTN(
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((pf->hw.func_caps.num_msix_vectors_vf - 1) * vf->vf_id) +
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(vector_id - 1));
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if (vecmap->rxq_map == 0 && vecmap->txq_map == 0) {
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/* Special case - No queues mapped on this vector */
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wr32(hw, reg_idx, I40E_VPINT_LNKLST0_FIRSTQ_INDX_MASK);
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goto irq_list_done;
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}
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tempmap = vecmap->rxq_map;
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for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
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linklistmap |= (BIT(I40E_VIRTCHNL_SUPPORTED_QTYPES *
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vsi_queue_id));
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}
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tempmap = vecmap->txq_map;
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for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
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linklistmap |= (BIT(I40E_VIRTCHNL_SUPPORTED_QTYPES *
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vsi_queue_id + 1));
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}
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size = I40E_MAX_VSI_QP * I40E_VIRTCHNL_SUPPORTED_QTYPES;
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next_q = find_first_bit(&linklistmap, size);
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if (unlikely(next_q == size))
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goto irq_list_done;
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vsi_queue_id = next_q / I40E_VIRTCHNL_SUPPORTED_QTYPES;
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qtype = next_q % I40E_VIRTCHNL_SUPPORTED_QTYPES;
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pf_queue_id = i40e_get_real_pf_qid(vf, vsi_id, vsi_queue_id);
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reg = ((qtype << I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT) | pf_queue_id);
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wr32(hw, reg_idx, reg);
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while (next_q < size) {
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switch (qtype) {
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case I40E_QUEUE_TYPE_RX:
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reg_idx = I40E_QINT_RQCTL(pf_queue_id);
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itr_idx = vecmap->rxitr_idx;
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break;
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case I40E_QUEUE_TYPE_TX:
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reg_idx = I40E_QINT_TQCTL(pf_queue_id);
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itr_idx = vecmap->txitr_idx;
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break;
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default:
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break;
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}
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next_q = find_next_bit(&linklistmap, size, next_q + 1);
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if (next_q < size) {
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vsi_queue_id = next_q / I40E_VIRTCHNL_SUPPORTED_QTYPES;
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qtype = next_q % I40E_VIRTCHNL_SUPPORTED_QTYPES;
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pf_queue_id = i40e_get_real_pf_qid(vf,
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vsi_id,
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vsi_queue_id);
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} else {
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pf_queue_id = I40E_QUEUE_END_OF_LIST;
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qtype = 0;
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}
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/* format for the RQCTL & TQCTL regs is same */
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reg = (vector_id) |
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(qtype << I40E_QINT_RQCTL_NEXTQ_TYPE_SHIFT) |
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(pf_queue_id << I40E_QINT_RQCTL_NEXTQ_INDX_SHIFT) |
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BIT(I40E_QINT_RQCTL_CAUSE_ENA_SHIFT) |
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(itr_idx << I40E_QINT_RQCTL_ITR_INDX_SHIFT);
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wr32(hw, reg_idx, reg);
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}
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/* if the vf is running in polling mode and using interrupt zero,
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* need to disable auto-mask on enabling zero interrupt for VFs.
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*/
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if ((vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RX_POLLING) &&
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(vector_id == 0)) {
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reg = rd32(hw, I40E_GLINT_CTL);
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if (!(reg & I40E_GLINT_CTL_DIS_AUTOMASK_VF0_MASK)) {
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reg |= I40E_GLINT_CTL_DIS_AUTOMASK_VF0_MASK;
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wr32(hw, I40E_GLINT_CTL, reg);
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}
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}
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irq_list_done:
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i40e_flush(hw);
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}
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/**
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* i40e_release_iwarp_qvlist
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* @vf: pointer to the VF.
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*
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**/
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static void i40e_release_iwarp_qvlist(struct i40e_vf *vf)
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{
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struct i40e_pf *pf = vf->pf;
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struct virtchnl_iwarp_qvlist_info *qvlist_info = vf->qvlist_info;
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u32 msix_vf;
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u32 i;
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if (!vf->qvlist_info)
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return;
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msix_vf = pf->hw.func_caps.num_msix_vectors_vf;
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for (i = 0; i < qvlist_info->num_vectors; i++) {
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struct virtchnl_iwarp_qv_info *qv_info;
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u32 next_q_index, next_q_type;
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struct i40e_hw *hw = &pf->hw;
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u32 v_idx, reg_idx, reg;
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qv_info = &qvlist_info->qv_info[i];
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if (!qv_info)
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continue;
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v_idx = qv_info->v_idx;
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if (qv_info->ceq_idx != I40E_QUEUE_INVALID_IDX) {
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/* Figure out the queue after CEQ and make that the
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* first queue.
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*/
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reg_idx = (msix_vf - 1) * vf->vf_id + qv_info->ceq_idx;
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reg = rd32(hw, I40E_VPINT_CEQCTL(reg_idx));
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next_q_index = (reg & I40E_VPINT_CEQCTL_NEXTQ_INDX_MASK)
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>> I40E_VPINT_CEQCTL_NEXTQ_INDX_SHIFT;
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next_q_type = (reg & I40E_VPINT_CEQCTL_NEXTQ_TYPE_MASK)
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>> I40E_VPINT_CEQCTL_NEXTQ_TYPE_SHIFT;
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reg_idx = ((msix_vf - 1) * vf->vf_id) + (v_idx - 1);
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reg = (next_q_index &
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I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK) |
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(next_q_type <<
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I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT);
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wr32(hw, I40E_VPINT_LNKLSTN(reg_idx), reg);
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}
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}
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kfree(vf->qvlist_info);
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vf->qvlist_info = NULL;
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}
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/**
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* i40e_config_iwarp_qvlist
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* @vf: pointer to the VF info
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* @qvlist_info: queue and vector list
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*
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* Return 0 on success or < 0 on error
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**/
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static int i40e_config_iwarp_qvlist(struct i40e_vf *vf,
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struct virtchnl_iwarp_qvlist_info *qvlist_info)
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{
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struct i40e_pf *pf = vf->pf;
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struct i40e_hw *hw = &pf->hw;
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struct virtchnl_iwarp_qv_info *qv_info;
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u32 v_idx, i, reg_idx, reg;
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u32 next_q_idx, next_q_type;
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u32 msix_vf, size;
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size = sizeof(struct virtchnl_iwarp_qvlist_info) +
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(sizeof(struct virtchnl_iwarp_qv_info) *
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(qvlist_info->num_vectors - 1));
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vf->qvlist_info = kzalloc(size, GFP_KERNEL);
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if (!vf->qvlist_info)
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return -ENOMEM;
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|
|
vf->qvlist_info->num_vectors = qvlist_info->num_vectors;
|
|
|
|
msix_vf = pf->hw.func_caps.num_msix_vectors_vf;
|
|
for (i = 0; i < qvlist_info->num_vectors; i++) {
|
|
qv_info = &qvlist_info->qv_info[i];
|
|
if (!qv_info)
|
|
continue;
|
|
v_idx = qv_info->v_idx;
|
|
|
|
/* Validate vector id belongs to this vf */
|
|
if (!i40e_vc_isvalid_vector_id(vf, v_idx))
|
|
goto err;
|
|
|
|
vf->qvlist_info->qv_info[i] = *qv_info;
|
|
|
|
reg_idx = ((msix_vf - 1) * vf->vf_id) + (v_idx - 1);
|
|
/* We might be sharing the interrupt, so get the first queue
|
|
* index and type, push it down the list by adding the new
|
|
* queue on top. Also link it with the new queue in CEQCTL.
|
|
*/
|
|
reg = rd32(hw, I40E_VPINT_LNKLSTN(reg_idx));
|
|
next_q_idx = ((reg & I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK) >>
|
|
I40E_VPINT_LNKLSTN_FIRSTQ_INDX_SHIFT);
|
|
next_q_type = ((reg & I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_MASK) >>
|
|
I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT);
|
|
|
|
if (qv_info->ceq_idx != I40E_QUEUE_INVALID_IDX) {
|
|
reg_idx = (msix_vf - 1) * vf->vf_id + qv_info->ceq_idx;
|
|
reg = (I40E_VPINT_CEQCTL_CAUSE_ENA_MASK |
|
|
(v_idx << I40E_VPINT_CEQCTL_MSIX_INDX_SHIFT) |
|
|
(qv_info->itr_idx << I40E_VPINT_CEQCTL_ITR_INDX_SHIFT) |
|
|
(next_q_type << I40E_VPINT_CEQCTL_NEXTQ_TYPE_SHIFT) |
|
|
(next_q_idx << I40E_VPINT_CEQCTL_NEXTQ_INDX_SHIFT));
|
|
wr32(hw, I40E_VPINT_CEQCTL(reg_idx), reg);
|
|
|
|
reg_idx = ((msix_vf - 1) * vf->vf_id) + (v_idx - 1);
|
|
reg = (qv_info->ceq_idx &
|
|
I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK) |
|
|
(I40E_QUEUE_TYPE_PE_CEQ <<
|
|
I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT);
|
|
wr32(hw, I40E_VPINT_LNKLSTN(reg_idx), reg);
|
|
}
|
|
|
|
if (qv_info->aeq_idx != I40E_QUEUE_INVALID_IDX) {
|
|
reg = (I40E_VPINT_AEQCTL_CAUSE_ENA_MASK |
|
|
(v_idx << I40E_VPINT_AEQCTL_MSIX_INDX_SHIFT) |
|
|
(qv_info->itr_idx << I40E_VPINT_AEQCTL_ITR_INDX_SHIFT));
|
|
|
|
wr32(hw, I40E_VPINT_AEQCTL(vf->vf_id), reg);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
err:
|
|
kfree(vf->qvlist_info);
|
|
vf->qvlist_info = NULL;
|
|
return -EINVAL;
|
|
}
|
|
|
|
/**
|
|
* i40e_config_vsi_tx_queue
|
|
* @vf: pointer to the VF info
|
|
* @vsi_id: id of VSI as provided by the FW
|
|
* @vsi_queue_id: vsi relative queue index
|
|
* @info: config. info
|
|
*
|
|
* configure tx queue
|
|
**/
|
|
static int i40e_config_vsi_tx_queue(struct i40e_vf *vf, u16 vsi_id,
|
|
u16 vsi_queue_id,
|
|
struct virtchnl_txq_info *info)
|
|
{
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
struct i40e_hmc_obj_txq tx_ctx;
|
|
struct i40e_vsi *vsi;
|
|
u16 pf_queue_id;
|
|
u32 qtx_ctl;
|
|
int ret = 0;
|
|
|
|
if (!i40e_vc_isvalid_vsi_id(vf, info->vsi_id)) {
|
|
ret = -ENOENT;
|
|
goto error_context;
|
|
}
|
|
pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id, vsi_queue_id);
|
|
vsi = i40e_find_vsi_from_id(pf, vsi_id);
|
|
if (!vsi) {
|
|
ret = -ENOENT;
|
|
goto error_context;
|
|
}
|
|
|
|
/* clear the context structure first */
|
|
memset(&tx_ctx, 0, sizeof(struct i40e_hmc_obj_txq));
|
|
|
|
/* only set the required fields */
|
|
tx_ctx.base = info->dma_ring_addr / 128;
|
|
tx_ctx.qlen = info->ring_len;
|
|
tx_ctx.rdylist = le16_to_cpu(vsi->info.qs_handle[0]);
|
|
tx_ctx.rdylist_act = 0;
|
|
tx_ctx.head_wb_ena = info->headwb_enabled;
|
|
tx_ctx.head_wb_addr = info->dma_headwb_addr;
|
|
|
|
/* clear the context in the HMC */
|
|
ret = i40e_clear_lan_tx_queue_context(hw, pf_queue_id);
|
|
if (ret) {
|
|
dev_err(&pf->pdev->dev,
|
|
"Failed to clear VF LAN Tx queue context %d, error: %d\n",
|
|
pf_queue_id, ret);
|
|
ret = -ENOENT;
|
|
goto error_context;
|
|
}
|
|
|
|
/* set the context in the HMC */
|
|
ret = i40e_set_lan_tx_queue_context(hw, pf_queue_id, &tx_ctx);
|
|
if (ret) {
|
|
dev_err(&pf->pdev->dev,
|
|
"Failed to set VF LAN Tx queue context %d error: %d\n",
|
|
pf_queue_id, ret);
|
|
ret = -ENOENT;
|
|
goto error_context;
|
|
}
|
|
|
|
/* associate this queue with the PCI VF function */
|
|
qtx_ctl = I40E_QTX_CTL_VF_QUEUE;
|
|
qtx_ctl |= ((hw->pf_id << I40E_QTX_CTL_PF_INDX_SHIFT)
|
|
& I40E_QTX_CTL_PF_INDX_MASK);
|
|
qtx_ctl |= (((vf->vf_id + hw->func_caps.vf_base_id)
|
|
<< I40E_QTX_CTL_VFVM_INDX_SHIFT)
|
|
& I40E_QTX_CTL_VFVM_INDX_MASK);
|
|
wr32(hw, I40E_QTX_CTL(pf_queue_id), qtx_ctl);
|
|
i40e_flush(hw);
|
|
|
|
error_context:
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* i40e_config_vsi_rx_queue
|
|
* @vf: pointer to the VF info
|
|
* @vsi_id: id of VSI as provided by the FW
|
|
* @vsi_queue_id: vsi relative queue index
|
|
* @info: config. info
|
|
*
|
|
* configure rx queue
|
|
**/
|
|
static int i40e_config_vsi_rx_queue(struct i40e_vf *vf, u16 vsi_id,
|
|
u16 vsi_queue_id,
|
|
struct virtchnl_rxq_info *info)
|
|
{
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
struct i40e_hmc_obj_rxq rx_ctx;
|
|
u16 pf_queue_id;
|
|
int ret = 0;
|
|
|
|
pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id, vsi_queue_id);
|
|
|
|
/* clear the context structure first */
|
|
memset(&rx_ctx, 0, sizeof(struct i40e_hmc_obj_rxq));
|
|
|
|
/* only set the required fields */
|
|
rx_ctx.base = info->dma_ring_addr / 128;
|
|
rx_ctx.qlen = info->ring_len;
|
|
|
|
if (info->splithdr_enabled) {
|
|
rx_ctx.hsplit_0 = I40E_RX_SPLIT_L2 |
|
|
I40E_RX_SPLIT_IP |
|
|
I40E_RX_SPLIT_TCP_UDP |
|
|
I40E_RX_SPLIT_SCTP;
|
|
/* header length validation */
|
|
if (info->hdr_size > ((2 * 1024) - 64)) {
|
|
ret = -EINVAL;
|
|
goto error_param;
|
|
}
|
|
rx_ctx.hbuff = info->hdr_size >> I40E_RXQ_CTX_HBUFF_SHIFT;
|
|
|
|
/* set split mode 10b */
|
|
rx_ctx.dtype = I40E_RX_DTYPE_HEADER_SPLIT;
|
|
}
|
|
|
|
/* databuffer length validation */
|
|
if (info->databuffer_size > ((16 * 1024) - 128)) {
|
|
ret = -EINVAL;
|
|
goto error_param;
|
|
}
|
|
rx_ctx.dbuff = info->databuffer_size >> I40E_RXQ_CTX_DBUFF_SHIFT;
|
|
|
|
/* max pkt. length validation */
|
|
if (info->max_pkt_size >= (16 * 1024) || info->max_pkt_size < 64) {
|
|
ret = -EINVAL;
|
|
goto error_param;
|
|
}
|
|
rx_ctx.rxmax = info->max_pkt_size;
|
|
|
|
/* enable 32bytes desc always */
|
|
rx_ctx.dsize = 1;
|
|
|
|
/* default values */
|
|
rx_ctx.lrxqthresh = 1;
|
|
rx_ctx.crcstrip = 1;
|
|
rx_ctx.prefena = 1;
|
|
rx_ctx.l2tsel = 1;
|
|
|
|
/* clear the context in the HMC */
|
|
ret = i40e_clear_lan_rx_queue_context(hw, pf_queue_id);
|
|
if (ret) {
|
|
dev_err(&pf->pdev->dev,
|
|
"Failed to clear VF LAN Rx queue context %d, error: %d\n",
|
|
pf_queue_id, ret);
|
|
ret = -ENOENT;
|
|
goto error_param;
|
|
}
|
|
|
|
/* set the context in the HMC */
|
|
ret = i40e_set_lan_rx_queue_context(hw, pf_queue_id, &rx_ctx);
|
|
if (ret) {
|
|
dev_err(&pf->pdev->dev,
|
|
"Failed to set VF LAN Rx queue context %d error: %d\n",
|
|
pf_queue_id, ret);
|
|
ret = -ENOENT;
|
|
goto error_param;
|
|
}
|
|
|
|
error_param:
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* i40e_alloc_vsi_res
|
|
* @vf: pointer to the VF info
|
|
* @idx: VSI index, applies only for ADq mode, zero otherwise
|
|
*
|
|
* alloc VF vsi context & resources
|
|
**/
|
|
static int i40e_alloc_vsi_res(struct i40e_vf *vf, u8 idx)
|
|
{
|
|
struct i40e_mac_filter *f = NULL;
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_vsi *vsi;
|
|
u64 max_tx_rate = 0;
|
|
int ret = 0;
|
|
|
|
vsi = i40e_vsi_setup(pf, I40E_VSI_SRIOV, pf->vsi[pf->lan_vsi]->seid,
|
|
vf->vf_id);
|
|
|
|
if (!vsi) {
|
|
dev_err(&pf->pdev->dev,
|
|
"add vsi failed for VF %d, aq_err %d\n",
|
|
vf->vf_id, pf->hw.aq.asq_last_status);
|
|
ret = -ENOENT;
|
|
goto error_alloc_vsi_res;
|
|
}
|
|
|
|
if (!idx) {
|
|
u64 hena = i40e_pf_get_default_rss_hena(pf);
|
|
u8 broadcast[ETH_ALEN];
|
|
|
|
vf->lan_vsi_idx = vsi->idx;
|
|
vf->lan_vsi_id = vsi->id;
|
|
/* If the port VLAN has been configured and then the
|
|
* VF driver was removed then the VSI port VLAN
|
|
* configuration was destroyed. Check if there is
|
|
* a port VLAN and restore the VSI configuration if
|
|
* needed.
|
|
*/
|
|
if (vf->port_vlan_id)
|
|
i40e_vsi_add_pvid(vsi, vf->port_vlan_id);
|
|
|
|
spin_lock_bh(&vsi->mac_filter_hash_lock);
|
|
if (is_valid_ether_addr(vf->default_lan_addr.addr)) {
|
|
f = i40e_add_mac_filter(vsi,
|
|
vf->default_lan_addr.addr);
|
|
if (!f)
|
|
dev_info(&pf->pdev->dev,
|
|
"Could not add MAC filter %pM for VF %d\n",
|
|
vf->default_lan_addr.addr, vf->vf_id);
|
|
}
|
|
eth_broadcast_addr(broadcast);
|
|
f = i40e_add_mac_filter(vsi, broadcast);
|
|
if (!f)
|
|
dev_info(&pf->pdev->dev,
|
|
"Could not allocate VF broadcast filter\n");
|
|
spin_unlock_bh(&vsi->mac_filter_hash_lock);
|
|
wr32(&pf->hw, I40E_VFQF_HENA1(0, vf->vf_id), (u32)hena);
|
|
wr32(&pf->hw, I40E_VFQF_HENA1(1, vf->vf_id), (u32)(hena >> 32));
|
|
/* program mac filter only for VF VSI */
|
|
ret = i40e_sync_vsi_filters(vsi);
|
|
if (ret)
|
|
dev_err(&pf->pdev->dev, "Unable to program ucast filters\n");
|
|
}
|
|
|
|
/* storing VSI index and id for ADq and don't apply the mac filter */
|
|
if (vf->adq_enabled) {
|
|
vf->ch[idx].vsi_idx = vsi->idx;
|
|
vf->ch[idx].vsi_id = vsi->id;
|
|
}
|
|
|
|
/* Set VF bandwidth if specified */
|
|
if (vf->tx_rate) {
|
|
max_tx_rate = vf->tx_rate;
|
|
} else if (vf->ch[idx].max_tx_rate) {
|
|
max_tx_rate = vf->ch[idx].max_tx_rate;
|
|
}
|
|
|
|
if (max_tx_rate) {
|
|
max_tx_rate = div_u64(max_tx_rate, I40E_BW_CREDIT_DIVISOR);
|
|
ret = i40e_aq_config_vsi_bw_limit(&pf->hw, vsi->seid,
|
|
max_tx_rate, 0, NULL);
|
|
if (ret)
|
|
dev_err(&pf->pdev->dev, "Unable to set tx rate, VF %d, error code %d.\n",
|
|
vf->vf_id, ret);
|
|
}
|
|
|
|
error_alloc_vsi_res:
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* i40e_map_pf_queues_to_vsi
|
|
* @vf: pointer to the VF info
|
|
*
|
|
* PF maps LQPs to a VF by programming VSILAN_QTABLE & VPLAN_QTABLE. This
|
|
* function takes care of first part VSILAN_QTABLE, mapping pf queues to VSI.
|
|
**/
|
|
static void i40e_map_pf_queues_to_vsi(struct i40e_vf *vf)
|
|
{
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
u32 reg, num_tc = 1; /* VF has at least one traffic class */
|
|
u16 vsi_id, qps;
|
|
int i, j;
|
|
|
|
if (vf->adq_enabled)
|
|
num_tc = vf->num_tc;
|
|
|
|
for (i = 0; i < num_tc; i++) {
|
|
if (vf->adq_enabled) {
|
|
qps = vf->ch[i].num_qps;
|
|
vsi_id = vf->ch[i].vsi_id;
|
|
} else {
|
|
qps = pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs;
|
|
vsi_id = vf->lan_vsi_id;
|
|
}
|
|
|
|
for (j = 0; j < 7; j++) {
|
|
if (j * 2 >= qps) {
|
|
/* end of list */
|
|
reg = 0x07FF07FF;
|
|
} else {
|
|
u16 qid = i40e_vc_get_pf_queue_id(vf,
|
|
vsi_id,
|
|
j * 2);
|
|
reg = qid;
|
|
qid = i40e_vc_get_pf_queue_id(vf, vsi_id,
|
|
(j * 2) + 1);
|
|
reg |= qid << 16;
|
|
}
|
|
i40e_write_rx_ctl(hw,
|
|
I40E_VSILAN_QTABLE(j, vsi_id),
|
|
reg);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* i40e_map_pf_to_vf_queues
|
|
* @vf: pointer to the VF info
|
|
*
|
|
* PF maps LQPs to a VF by programming VSILAN_QTABLE & VPLAN_QTABLE. This
|
|
* function takes care of the second part VPLAN_QTABLE & completes VF mappings.
|
|
**/
|
|
static void i40e_map_pf_to_vf_queues(struct i40e_vf *vf)
|
|
{
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
u32 reg, total_qps = 0;
|
|
u32 qps, num_tc = 1; /* VF has at least one traffic class */
|
|
u16 vsi_id, qid;
|
|
int i, j;
|
|
|
|
if (vf->adq_enabled)
|
|
num_tc = vf->num_tc;
|
|
|
|
for (i = 0; i < num_tc; i++) {
|
|
if (vf->adq_enabled) {
|
|
qps = vf->ch[i].num_qps;
|
|
vsi_id = vf->ch[i].vsi_id;
|
|
} else {
|
|
qps = pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs;
|
|
vsi_id = vf->lan_vsi_id;
|
|
}
|
|
|
|
for (j = 0; j < qps; j++) {
|
|
qid = i40e_vc_get_pf_queue_id(vf, vsi_id, j);
|
|
|
|
reg = (qid & I40E_VPLAN_QTABLE_QINDEX_MASK);
|
|
wr32(hw, I40E_VPLAN_QTABLE(total_qps, vf->vf_id),
|
|
reg);
|
|
total_qps++;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* i40e_enable_vf_mappings
|
|
* @vf: pointer to the VF info
|
|
*
|
|
* enable VF mappings
|
|
**/
|
|
static void i40e_enable_vf_mappings(struct i40e_vf *vf)
|
|
{
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
u32 reg;
|
|
|
|
/* Tell the hardware we're using noncontiguous mapping. HW requires
|
|
* that VF queues be mapped using this method, even when they are
|
|
* contiguous in real life
|
|
*/
|
|
i40e_write_rx_ctl(hw, I40E_VSILAN_QBASE(vf->lan_vsi_id),
|
|
I40E_VSILAN_QBASE_VSIQTABLE_ENA_MASK);
|
|
|
|
/* enable VF vplan_qtable mappings */
|
|
reg = I40E_VPLAN_MAPENA_TXRX_ENA_MASK;
|
|
wr32(hw, I40E_VPLAN_MAPENA(vf->vf_id), reg);
|
|
|
|
i40e_map_pf_to_vf_queues(vf);
|
|
i40e_map_pf_queues_to_vsi(vf);
|
|
|
|
i40e_flush(hw);
|
|
}
|
|
|
|
/**
|
|
* i40e_disable_vf_mappings
|
|
* @vf: pointer to the VF info
|
|
*
|
|
* disable VF mappings
|
|
**/
|
|
static void i40e_disable_vf_mappings(struct i40e_vf *vf)
|
|
{
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
int i;
|
|
|
|
/* disable qp mappings */
|
|
wr32(hw, I40E_VPLAN_MAPENA(vf->vf_id), 0);
|
|
for (i = 0; i < I40E_MAX_VSI_QP; i++)
|
|
wr32(hw, I40E_VPLAN_QTABLE(i, vf->vf_id),
|
|
I40E_QUEUE_END_OF_LIST);
|
|
i40e_flush(hw);
|
|
}
|
|
|
|
/**
|
|
* i40e_free_vf_res
|
|
* @vf: pointer to the VF info
|
|
*
|
|
* free VF resources
|
|
**/
|
|
static void i40e_free_vf_res(struct i40e_vf *vf)
|
|
{
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
u32 reg_idx, reg;
|
|
int i, j, msix_vf;
|
|
|
|
/* Start by disabling VF's configuration API to prevent the OS from
|
|
* accessing the VF's VSI after it's freed / invalidated.
|
|
*/
|
|
clear_bit(I40E_VF_STATE_INIT, &vf->vf_states);
|
|
|
|
/* It's possible the VF had requeuested more queues than the default so
|
|
* do the accounting here when we're about to free them.
|
|
*/
|
|
if (vf->num_queue_pairs > I40E_DEFAULT_QUEUES_PER_VF) {
|
|
pf->queues_left += vf->num_queue_pairs -
|
|
I40E_DEFAULT_QUEUES_PER_VF;
|
|
}
|
|
|
|
/* free vsi & disconnect it from the parent uplink */
|
|
if (vf->lan_vsi_idx) {
|
|
i40e_vsi_release(pf->vsi[vf->lan_vsi_idx]);
|
|
vf->lan_vsi_idx = 0;
|
|
vf->lan_vsi_id = 0;
|
|
vf->num_mac = 0;
|
|
}
|
|
|
|
/* do the accounting and remove additional ADq VSI's */
|
|
if (vf->adq_enabled && vf->ch[0].vsi_idx) {
|
|
for (j = 0; j < vf->num_tc; j++) {
|
|
/* At this point VSI0 is already released so don't
|
|
* release it again and only clear their values in
|
|
* structure variables
|
|
*/
|
|
if (j)
|
|
i40e_vsi_release(pf->vsi[vf->ch[j].vsi_idx]);
|
|
vf->ch[j].vsi_idx = 0;
|
|
vf->ch[j].vsi_id = 0;
|
|
}
|
|
}
|
|
msix_vf = pf->hw.func_caps.num_msix_vectors_vf;
|
|
|
|
/* disable interrupts so the VF starts in a known state */
|
|
for (i = 0; i < msix_vf; i++) {
|
|
/* format is same for both registers */
|
|
if (0 == i)
|
|
reg_idx = I40E_VFINT_DYN_CTL0(vf->vf_id);
|
|
else
|
|
reg_idx = I40E_VFINT_DYN_CTLN(((msix_vf - 1) *
|
|
(vf->vf_id))
|
|
+ (i - 1));
|
|
wr32(hw, reg_idx, I40E_VFINT_DYN_CTLN_CLEARPBA_MASK);
|
|
i40e_flush(hw);
|
|
}
|
|
|
|
/* clear the irq settings */
|
|
for (i = 0; i < msix_vf; i++) {
|
|
/* format is same for both registers */
|
|
if (0 == i)
|
|
reg_idx = I40E_VPINT_LNKLST0(vf->vf_id);
|
|
else
|
|
reg_idx = I40E_VPINT_LNKLSTN(((msix_vf - 1) *
|
|
(vf->vf_id))
|
|
+ (i - 1));
|
|
reg = (I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_MASK |
|
|
I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK);
|
|
wr32(hw, reg_idx, reg);
|
|
i40e_flush(hw);
|
|
}
|
|
/* reset some of the state variables keeping track of the resources */
|
|
vf->num_queue_pairs = 0;
|
|
clear_bit(I40E_VF_STATE_MC_PROMISC, &vf->vf_states);
|
|
clear_bit(I40E_VF_STATE_UC_PROMISC, &vf->vf_states);
|
|
}
|
|
|
|
/**
|
|
* i40e_alloc_vf_res
|
|
* @vf: pointer to the VF info
|
|
*
|
|
* allocate VF resources
|
|
**/
|
|
static int i40e_alloc_vf_res(struct i40e_vf *vf)
|
|
{
|
|
struct i40e_pf *pf = vf->pf;
|
|
int total_queue_pairs = 0;
|
|
int ret, idx;
|
|
|
|
if (vf->num_req_queues &&
|
|
vf->num_req_queues <= pf->queues_left + I40E_DEFAULT_QUEUES_PER_VF)
|
|
pf->num_vf_qps = vf->num_req_queues;
|
|
else
|
|
pf->num_vf_qps = I40E_DEFAULT_QUEUES_PER_VF;
|
|
|
|
/* allocate hw vsi context & associated resources */
|
|
ret = i40e_alloc_vsi_res(vf, 0);
|
|
if (ret)
|
|
goto error_alloc;
|
|
total_queue_pairs += pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs;
|
|
|
|
/* allocate additional VSIs based on tc information for ADq */
|
|
if (vf->adq_enabled) {
|
|
if (pf->queues_left >=
|
|
(I40E_MAX_VF_QUEUES - I40E_DEFAULT_QUEUES_PER_VF)) {
|
|
/* TC 0 always belongs to VF VSI */
|
|
for (idx = 1; idx < vf->num_tc; idx++) {
|
|
ret = i40e_alloc_vsi_res(vf, idx);
|
|
if (ret)
|
|
goto error_alloc;
|
|
}
|
|
/* send correct number of queues */
|
|
total_queue_pairs = I40E_MAX_VF_QUEUES;
|
|
} else {
|
|
dev_info(&pf->pdev->dev, "VF %d: Not enough queues to allocate, disabling ADq\n",
|
|
vf->vf_id);
|
|
vf->adq_enabled = false;
|
|
}
|
|
}
|
|
|
|
/* We account for each VF to get a default number of queue pairs. If
|
|
* the VF has now requested more, we need to account for that to make
|
|
* certain we never request more queues than we actually have left in
|
|
* HW.
|
|
*/
|
|
if (total_queue_pairs > I40E_DEFAULT_QUEUES_PER_VF)
|
|
pf->queues_left -=
|
|
total_queue_pairs - I40E_DEFAULT_QUEUES_PER_VF;
|
|
|
|
if (vf->trusted)
|
|
set_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps);
|
|
else
|
|
clear_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps);
|
|
|
|
/* store the total qps number for the runtime
|
|
* VF req validation
|
|
*/
|
|
vf->num_queue_pairs = total_queue_pairs;
|
|
|
|
/* VF is now completely initialized */
|
|
set_bit(I40E_VF_STATE_INIT, &vf->vf_states);
|
|
|
|
error_alloc:
|
|
if (ret)
|
|
i40e_free_vf_res(vf);
|
|
|
|
return ret;
|
|
}
|
|
|
|
#define VF_DEVICE_STATUS 0xAA
|
|
#define VF_TRANS_PENDING_MASK 0x20
|
|
/**
|
|
* i40e_quiesce_vf_pci
|
|
* @vf: pointer to the VF structure
|
|
*
|
|
* Wait for VF PCI transactions to be cleared after reset. Returns -EIO
|
|
* if the transactions never clear.
|
|
**/
|
|
static int i40e_quiesce_vf_pci(struct i40e_vf *vf)
|
|
{
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
int vf_abs_id, i;
|
|
u32 reg;
|
|
|
|
vf_abs_id = vf->vf_id + hw->func_caps.vf_base_id;
|
|
|
|
wr32(hw, I40E_PF_PCI_CIAA,
|
|
VF_DEVICE_STATUS | (vf_abs_id << I40E_PF_PCI_CIAA_VF_NUM_SHIFT));
|
|
for (i = 0; i < 100; i++) {
|
|
reg = rd32(hw, I40E_PF_PCI_CIAD);
|
|
if ((reg & VF_TRANS_PENDING_MASK) == 0)
|
|
return 0;
|
|
udelay(1);
|
|
}
|
|
return -EIO;
|
|
}
|
|
|
|
static inline int i40e_getnum_vf_vsi_vlan_filters(struct i40e_vsi *vsi);
|
|
|
|
/**
|
|
* i40e_config_vf_promiscuous_mode
|
|
* @vf: pointer to the VF info
|
|
* @vsi_id: VSI id
|
|
* @allmulti: set MAC L2 layer multicast promiscuous enable/disable
|
|
* @alluni: set MAC L2 layer unicast promiscuous enable/disable
|
|
*
|
|
* Called from the VF to configure the promiscuous mode of
|
|
* VF vsis and from the VF reset path to reset promiscuous mode.
|
|
**/
|
|
static i40e_status i40e_config_vf_promiscuous_mode(struct i40e_vf *vf,
|
|
u16 vsi_id,
|
|
bool allmulti,
|
|
bool alluni)
|
|
{
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
struct i40e_mac_filter *f;
|
|
i40e_status aq_ret = 0;
|
|
struct i40e_vsi *vsi;
|
|
int bkt;
|
|
|
|
vsi = i40e_find_vsi_from_id(pf, vsi_id);
|
|
if (!i40e_vc_isvalid_vsi_id(vf, vsi_id) || !vsi)
|
|
return I40E_ERR_PARAM;
|
|
|
|
if (!test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) {
|
|
dev_err(&pf->pdev->dev,
|
|
"Unprivileged VF %d is attempting to configure promiscuous mode\n",
|
|
vf->vf_id);
|
|
/* Lie to the VF on purpose. */
|
|
return 0;
|
|
}
|
|
|
|
if (vf->port_vlan_id) {
|
|
aq_ret = i40e_aq_set_vsi_mc_promisc_on_vlan(hw, vsi->seid,
|
|
allmulti,
|
|
vf->port_vlan_id,
|
|
NULL);
|
|
if (aq_ret) {
|
|
int aq_err = pf->hw.aq.asq_last_status;
|
|
|
|
dev_err(&pf->pdev->dev,
|
|
"VF %d failed to set multicast promiscuous mode err %s aq_err %s\n",
|
|
vf->vf_id,
|
|
i40e_stat_str(&pf->hw, aq_ret),
|
|
i40e_aq_str(&pf->hw, aq_err));
|
|
return aq_ret;
|
|
}
|
|
|
|
aq_ret = i40e_aq_set_vsi_uc_promisc_on_vlan(hw, vsi->seid,
|
|
alluni,
|
|
vf->port_vlan_id,
|
|
NULL);
|
|
if (aq_ret) {
|
|
int aq_err = pf->hw.aq.asq_last_status;
|
|
|
|
dev_err(&pf->pdev->dev,
|
|
"VF %d failed to set unicast promiscuous mode err %s aq_err %s\n",
|
|
vf->vf_id,
|
|
i40e_stat_str(&pf->hw, aq_ret),
|
|
i40e_aq_str(&pf->hw, aq_err));
|
|
}
|
|
return aq_ret;
|
|
} else if (i40e_getnum_vf_vsi_vlan_filters(vsi)) {
|
|
hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) {
|
|
if (f->vlan < 0 || f->vlan > I40E_MAX_VLANID)
|
|
continue;
|
|
aq_ret = i40e_aq_set_vsi_mc_promisc_on_vlan(hw,
|
|
vsi->seid,
|
|
allmulti,
|
|
f->vlan,
|
|
NULL);
|
|
if (aq_ret) {
|
|
int aq_err = pf->hw.aq.asq_last_status;
|
|
|
|
dev_err(&pf->pdev->dev,
|
|
"Could not add VLAN %d to multicast promiscuous domain err %s aq_err %s\n",
|
|
f->vlan,
|
|
i40e_stat_str(&pf->hw, aq_ret),
|
|
i40e_aq_str(&pf->hw, aq_err));
|
|
}
|
|
|
|
aq_ret = i40e_aq_set_vsi_uc_promisc_on_vlan(hw,
|
|
vsi->seid,
|
|
alluni,
|
|
f->vlan,
|
|
NULL);
|
|
if (aq_ret) {
|
|
int aq_err = pf->hw.aq.asq_last_status;
|
|
|
|
dev_err(&pf->pdev->dev,
|
|
"Could not add VLAN %d to Unicast promiscuous domain err %s aq_err %s\n",
|
|
f->vlan,
|
|
i40e_stat_str(&pf->hw, aq_ret),
|
|
i40e_aq_str(&pf->hw, aq_err));
|
|
}
|
|
}
|
|
return aq_ret;
|
|
}
|
|
aq_ret = i40e_aq_set_vsi_multicast_promiscuous(hw, vsi->seid, allmulti,
|
|
NULL);
|
|
if (aq_ret) {
|
|
int aq_err = pf->hw.aq.asq_last_status;
|
|
|
|
dev_err(&pf->pdev->dev,
|
|
"VF %d failed to set multicast promiscuous mode err %s aq_err %s\n",
|
|
vf->vf_id,
|
|
i40e_stat_str(&pf->hw, aq_ret),
|
|
i40e_aq_str(&pf->hw, aq_err));
|
|
return aq_ret;
|
|
}
|
|
|
|
aq_ret = i40e_aq_set_vsi_unicast_promiscuous(hw, vsi->seid, alluni,
|
|
NULL, true);
|
|
if (aq_ret) {
|
|
int aq_err = pf->hw.aq.asq_last_status;
|
|
|
|
dev_err(&pf->pdev->dev,
|
|
"VF %d failed to set unicast promiscuous mode err %s aq_err %s\n",
|
|
vf->vf_id,
|
|
i40e_stat_str(&pf->hw, aq_ret),
|
|
i40e_aq_str(&pf->hw, aq_err));
|
|
}
|
|
|
|
return aq_ret;
|
|
}
|
|
|
|
/**
|
|
* i40e_trigger_vf_reset
|
|
* @vf: pointer to the VF structure
|
|
* @flr: VFLR was issued or not
|
|
*
|
|
* Trigger hardware to start a reset for a particular VF. Expects the caller
|
|
* to wait the proper amount of time to allow hardware to reset the VF before
|
|
* it cleans up and restores VF functionality.
|
|
**/
|
|
static void i40e_trigger_vf_reset(struct i40e_vf *vf, bool flr)
|
|
{
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
u32 reg, reg_idx, bit_idx;
|
|
|
|
/* warn the VF */
|
|
clear_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states);
|
|
|
|
/* Disable VF's configuration API during reset. The flag is re-enabled
|
|
* in i40e_alloc_vf_res(), when it's safe again to access VF's VSI.
|
|
* It's normally disabled in i40e_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(I40E_VF_STATE_INIT, &vf->vf_states);
|
|
|
|
/* 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 (!flr) {
|
|
/* reset VF using VPGEN_VFRTRIG reg */
|
|
reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id));
|
|
reg |= I40E_VPGEN_VFRTRIG_VFSWR_MASK;
|
|
wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg);
|
|
i40e_flush(hw);
|
|
}
|
|
/* clear the VFLR bit in GLGEN_VFLRSTAT */
|
|
reg_idx = (hw->func_caps.vf_base_id + vf->vf_id) / 32;
|
|
bit_idx = (hw->func_caps.vf_base_id + vf->vf_id) % 32;
|
|
wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx));
|
|
i40e_flush(hw);
|
|
|
|
if (i40e_quiesce_vf_pci(vf))
|
|
dev_err(&pf->pdev->dev, "VF %d PCI transactions stuck\n",
|
|
vf->vf_id);
|
|
}
|
|
|
|
/**
|
|
* i40e_cleanup_reset_vf
|
|
* @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.
|
|
**/
|
|
static void i40e_cleanup_reset_vf(struct i40e_vf *vf)
|
|
{
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
u32 reg;
|
|
|
|
/* disable promisc modes in case they were enabled */
|
|
i40e_config_vf_promiscuous_mode(vf, vf->lan_vsi_id, false, false);
|
|
|
|
/* free VF resources to begin resetting the VSI state */
|
|
i40e_free_vf_res(vf);
|
|
|
|
/* Enable hardware by clearing the reset bit in the VPGEN_VFRTRIG reg.
|
|
* 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 i40e_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, I40E_VPGEN_VFRTRIG(vf->vf_id));
|
|
reg &= ~I40E_VPGEN_VFRTRIG_VFSWR_MASK;
|
|
wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg);
|
|
|
|
/* reallocate VF resources to finish resetting the VSI state */
|
|
if (!i40e_alloc_vf_res(vf)) {
|
|
int abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
|
|
i40e_enable_vf_mappings(vf);
|
|
set_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states);
|
|
clear_bit(I40E_VF_STATE_DISABLED, &vf->vf_states);
|
|
/* Do not notify the client during VF init */
|
|
if (!test_and_clear_bit(I40E_VF_STATE_PRE_ENABLE,
|
|
&vf->vf_states))
|
|
i40e_notify_client_of_vf_reset(pf, abs_vf_id);
|
|
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, I40E_VFGEN_RSTAT1(vf->vf_id), VIRTCHNL_VFR_VFACTIVE);
|
|
}
|
|
|
|
/**
|
|
* i40e_reset_vf
|
|
* @vf: pointer to the VF structure
|
|
* @flr: VFLR was issued or not
|
|
*
|
|
* Returns true if the VF is reset, false otherwise.
|
|
**/
|
|
bool i40e_reset_vf(struct i40e_vf *vf, bool flr)
|
|
{
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
bool rsd = false;
|
|
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(__I40E_VF_DISABLE, pf->state))
|
|
return false;
|
|
|
|
i40e_trigger_vf_reset(vf, flr);
|
|
|
|
/* 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. Due to internal HW FIFO flushes,
|
|
* we must wait 10ms before the register will be valid.
|
|
*/
|
|
usleep_range(10000, 20000);
|
|
reg = rd32(hw, I40E_VPGEN_VFRSTAT(vf->vf_id));
|
|
if (reg & I40E_VPGEN_VFRSTAT_VFRD_MASK) {
|
|
rsd = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (flr)
|
|
usleep_range(10000, 20000);
|
|
|
|
if (!rsd)
|
|
dev_err(&pf->pdev->dev, "VF reset check timeout on VF %d\n",
|
|
vf->vf_id);
|
|
usleep_range(10000, 20000);
|
|
|
|
/* On initial reset, we don't have any queues to disable */
|
|
if (vf->lan_vsi_idx != 0)
|
|
i40e_vsi_stop_rings(pf->vsi[vf->lan_vsi_idx]);
|
|
|
|
i40e_cleanup_reset_vf(vf);
|
|
|
|
i40e_flush(hw);
|
|
clear_bit(__I40E_VF_DISABLE, pf->state);
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* i40e_reset_all_vfs
|
|
* @pf: pointer to the PF structure
|
|
* @flr: VFLR was issued or not
|
|
*
|
|
* Reset all allocated VFs in one go. 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 i40e_reset_all_vfs(struct i40e_pf *pf, bool flr)
|
|
{
|
|
struct i40e_hw *hw = &pf->hw;
|
|
struct i40e_vf *vf;
|
|
int i, v;
|
|
u32 reg;
|
|
|
|
/* 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(__I40E_VF_DISABLE, pf->state))
|
|
return false;
|
|
|
|
/* Begin reset on all VFs at once */
|
|
for (v = 0; v < pf->num_alloc_vfs; v++)
|
|
i40e_trigger_vf_reset(&pf->vf[v], flr);
|
|
|
|
/* 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, beginning with the VF to fail
|
|
* the previous check.
|
|
*/
|
|
while (v < pf->num_alloc_vfs) {
|
|
vf = &pf->vf[v];
|
|
reg = rd32(hw, I40E_VPGEN_VFRSTAT(vf->vf_id));
|
|
if (!(reg & I40E_VPGEN_VFRSTAT_VFRD_MASK))
|
|
break;
|
|
|
|
/* If the current VF has finished resetting, move on
|
|
* to the next VF in sequence.
|
|
*/
|
|
v++;
|
|
}
|
|
}
|
|
|
|
if (flr)
|
|
usleep_range(10000, 20000);
|
|
|
|
/* 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_err(&pf->pdev->dev, "VF reset check timeout on VF %d\n",
|
|
pf->vf[v].vf_id);
|
|
usleep_range(10000, 20000);
|
|
|
|
/* Begin disabling all the rings associated with VFs, but do not wait
|
|
* between each VF.
|
|
*/
|
|
for (v = 0; v < pf->num_alloc_vfs; v++) {
|
|
/* On initial reset, we don't have any queues to disable */
|
|
if (pf->vf[v].lan_vsi_idx == 0)
|
|
continue;
|
|
|
|
i40e_vsi_stop_rings_no_wait(pf->vsi[pf->vf[v].lan_vsi_idx]);
|
|
}
|
|
|
|
/* Now that we've notified HW to disable all of the VF rings, wait
|
|
* until they finish.
|
|
*/
|
|
for (v = 0; v < pf->num_alloc_vfs; v++) {
|
|
/* On initial reset, we don't have any queues to disable */
|
|
if (pf->vf[v].lan_vsi_idx == 0)
|
|
continue;
|
|
|
|
i40e_vsi_wait_queues_disabled(pf->vsi[pf->vf[v].lan_vsi_idx]);
|
|
}
|
|
|
|
/* Hw may need up to 50ms to finish disabling the RX queues. We
|
|
* minimize the wait by delaying only once for all VFs.
|
|
*/
|
|
mdelay(50);
|
|
|
|
/* Finish the reset on each VF */
|
|
for (v = 0; v < pf->num_alloc_vfs; v++)
|
|
i40e_cleanup_reset_vf(&pf->vf[v]);
|
|
|
|
i40e_flush(hw);
|
|
clear_bit(__I40E_VF_DISABLE, pf->state);
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* i40e_free_vfs
|
|
* @pf: pointer to the PF structure
|
|
*
|
|
* free VF resources
|
|
**/
|
|
void i40e_free_vfs(struct i40e_pf *pf)
|
|
{
|
|
struct i40e_hw *hw = &pf->hw;
|
|
u32 reg_idx, bit_idx;
|
|
int i, tmp, vf_id;
|
|
|
|
if (!pf->vf)
|
|
return;
|
|
while (test_and_set_bit(__I40E_VF_DISABLE, pf->state))
|
|
usleep_range(1000, 2000);
|
|
|
|
i40e_notify_client_of_vf_enable(pf, 0);
|
|
|
|
/* Amortize wait time by stopping all VFs at the same time */
|
|
for (i = 0; i < pf->num_alloc_vfs; i++) {
|
|
if (test_bit(I40E_VF_STATE_INIT, &pf->vf[i].vf_states))
|
|
continue;
|
|
|
|
i40e_vsi_stop_rings_no_wait(pf->vsi[pf->vf[i].lan_vsi_idx]);
|
|
}
|
|
|
|
for (i = 0; i < pf->num_alloc_vfs; i++) {
|
|
if (test_bit(I40E_VF_STATE_INIT, &pf->vf[i].vf_states))
|
|
continue;
|
|
|
|
i40e_vsi_wait_queues_disabled(pf->vsi[pf->vf[i].lan_vsi_idx]);
|
|
}
|
|
|
|
/* Disable IOV before freeing resources. This lets any VF drivers
|
|
* running in the host get themselves cleaned up before we yank
|
|
* the carpet out from underneath their feet.
|
|
*/
|
|
if (!pci_vfs_assigned(pf->pdev))
|
|
pci_disable_sriov(pf->pdev);
|
|
else
|
|
dev_warn(&pf->pdev->dev, "VFs are assigned - not disabling SR-IOV\n");
|
|
|
|
/* free up VF resources */
|
|
tmp = pf->num_alloc_vfs;
|
|
pf->num_alloc_vfs = 0;
|
|
for (i = 0; i < tmp; i++) {
|
|
if (test_bit(I40E_VF_STATE_INIT, &pf->vf[i].vf_states))
|
|
i40e_free_vf_res(&pf->vf[i]);
|
|
/* disable qp mappings */
|
|
i40e_disable_vf_mappings(&pf->vf[i]);
|
|
}
|
|
|
|
kfree(pf->vf);
|
|
pf->vf = NULL;
|
|
|
|
/* This check is for when the driver is unloaded while VFs are
|
|
* assigned. Setting the number of VFs to 0 through sysfs is caught
|
|
* before this function ever gets called.
|
|
*/
|
|
if (!pci_vfs_assigned(pf->pdev)) {
|
|
/* Acknowledge VFLR for all VFS. Without this, VFs will fail to
|
|
* work correctly when SR-IOV gets re-enabled.
|
|
*/
|
|
for (vf_id = 0; vf_id < tmp; vf_id++) {
|
|
reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32;
|
|
bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32;
|
|
wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx));
|
|
}
|
|
}
|
|
clear_bit(__I40E_VF_DISABLE, pf->state);
|
|
}
|
|
|
|
#ifdef CONFIG_PCI_IOV
|
|
/**
|
|
* i40e_alloc_vfs
|
|
* @pf: pointer to the PF structure
|
|
* @num_alloc_vfs: number of VFs to allocate
|
|
*
|
|
* allocate VF resources
|
|
**/
|
|
int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs)
|
|
{
|
|
struct i40e_vf *vfs;
|
|
int i, ret = 0;
|
|
|
|
/* Disable interrupt 0 so we don't try to handle the VFLR. */
|
|
i40e_irq_dynamic_disable_icr0(pf);
|
|
|
|
/* Check to see if we're just allocating resources for extant VFs */
|
|
if (pci_num_vf(pf->pdev) != num_alloc_vfs) {
|
|
ret = pci_enable_sriov(pf->pdev, num_alloc_vfs);
|
|
if (ret) {
|
|
pf->flags &= ~I40E_FLAG_VEB_MODE_ENABLED;
|
|
pf->num_alloc_vfs = 0;
|
|
goto err_iov;
|
|
}
|
|
}
|
|
/* allocate memory */
|
|
vfs = kcalloc(num_alloc_vfs, sizeof(struct i40e_vf), GFP_KERNEL);
|
|
if (!vfs) {
|
|
ret = -ENOMEM;
|
|
goto err_alloc;
|
|
}
|
|
pf->vf = vfs;
|
|
|
|
/* apply default profile */
|
|
for (i = 0; i < num_alloc_vfs; i++) {
|
|
vfs[i].pf = pf;
|
|
vfs[i].parent_type = I40E_SWITCH_ELEMENT_TYPE_VEB;
|
|
vfs[i].vf_id = i;
|
|
|
|
/* assign default capabilities */
|
|
set_bit(I40E_VIRTCHNL_VF_CAP_L2, &vfs[i].vf_caps);
|
|
vfs[i].spoofchk = true;
|
|
|
|
set_bit(I40E_VF_STATE_PRE_ENABLE, &vfs[i].vf_states);
|
|
|
|
}
|
|
pf->num_alloc_vfs = num_alloc_vfs;
|
|
|
|
/* VF resources get allocated during reset */
|
|
i40e_reset_all_vfs(pf, false);
|
|
|
|
i40e_notify_client_of_vf_enable(pf, num_alloc_vfs);
|
|
|
|
err_alloc:
|
|
if (ret)
|
|
i40e_free_vfs(pf);
|
|
err_iov:
|
|
/* Re-enable interrupt 0. */
|
|
i40e_irq_dynamic_enable_icr0(pf);
|
|
return ret;
|
|
}
|
|
|
|
#endif
|
|
/**
|
|
* i40e_pci_sriov_enable
|
|
* @pdev: pointer to a pci_dev structure
|
|
* @num_vfs: number of VFs to allocate
|
|
*
|
|
* Enable or change the number of VFs
|
|
**/
|
|
static int i40e_pci_sriov_enable(struct pci_dev *pdev, int num_vfs)
|
|
{
|
|
#ifdef CONFIG_PCI_IOV
|
|
struct i40e_pf *pf = pci_get_drvdata(pdev);
|
|
int pre_existing_vfs = pci_num_vf(pdev);
|
|
int err = 0;
|
|
|
|
if (test_bit(__I40E_TESTING, pf->state)) {
|
|
dev_warn(&pdev->dev,
|
|
"Cannot enable SR-IOV virtual functions while the device is undergoing diagnostic testing\n");
|
|
err = -EPERM;
|
|
goto err_out;
|
|
}
|
|
|
|
if (pre_existing_vfs && pre_existing_vfs != num_vfs)
|
|
i40e_free_vfs(pf);
|
|
else if (pre_existing_vfs && pre_existing_vfs == num_vfs)
|
|
goto out;
|
|
|
|
if (num_vfs > pf->num_req_vfs) {
|
|
dev_warn(&pdev->dev, "Unable to enable %d VFs. Limited to %d VFs due to device resource constraints.\n",
|
|
num_vfs, pf->num_req_vfs);
|
|
err = -EPERM;
|
|
goto err_out;
|
|
}
|
|
|
|
dev_info(&pdev->dev, "Allocating %d VFs.\n", num_vfs);
|
|
err = i40e_alloc_vfs(pf, num_vfs);
|
|
if (err) {
|
|
dev_warn(&pdev->dev, "Failed to enable SR-IOV: %d\n", err);
|
|
goto err_out;
|
|
}
|
|
|
|
out:
|
|
return num_vfs;
|
|
|
|
err_out:
|
|
return err;
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* i40e_pci_sriov_configure
|
|
* @pdev: pointer to a pci_dev structure
|
|
* @num_vfs: number of VFs to allocate
|
|
*
|
|
* Enable or change the number of VFs. Called when the user updates the number
|
|
* of VFs in sysfs.
|
|
**/
|
|
int i40e_pci_sriov_configure(struct pci_dev *pdev, int num_vfs)
|
|
{
|
|
struct i40e_pf *pf = pci_get_drvdata(pdev);
|
|
|
|
if (num_vfs) {
|
|
if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) {
|
|
pf->flags |= I40E_FLAG_VEB_MODE_ENABLED;
|
|
i40e_do_reset_safe(pf, I40E_PF_RESET_FLAG);
|
|
}
|
|
return i40e_pci_sriov_enable(pdev, num_vfs);
|
|
}
|
|
|
|
if (!pci_vfs_assigned(pf->pdev)) {
|
|
i40e_free_vfs(pf);
|
|
pf->flags &= ~I40E_FLAG_VEB_MODE_ENABLED;
|
|
i40e_do_reset_safe(pf, I40E_PF_RESET_FLAG);
|
|
} else {
|
|
dev_warn(&pdev->dev, "Unable to free VFs because some are assigned to VMs.\n");
|
|
return -EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/***********************virtual channel routines******************/
|
|
|
|
/**
|
|
* i40e_vc_send_msg_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
|
|
**/
|
|
static int i40e_vc_send_msg_to_vf(struct i40e_vf *vf, u32 v_opcode,
|
|
u32 v_retval, u8 *msg, u16 msglen)
|
|
{
|
|
struct i40e_pf *pf;
|
|
struct i40e_hw *hw;
|
|
int abs_vf_id;
|
|
i40e_status aq_ret;
|
|
|
|
/* validate the request */
|
|
if (!vf || vf->vf_id >= vf->pf->num_alloc_vfs)
|
|
return -EINVAL;
|
|
|
|
pf = vf->pf;
|
|
hw = &pf->hw;
|
|
abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
|
|
|
|
/* single place to detect unsuccessful return values */
|
|
if (v_retval) {
|
|
vf->num_invalid_msgs++;
|
|
dev_info(&pf->pdev->dev, "VF %d failed opcode %d, retval: %d\n",
|
|
vf->vf_id, v_opcode, v_retval);
|
|
if (vf->num_invalid_msgs >
|
|
I40E_DEFAULT_NUM_INVALID_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(I40E_VF_STATE_DISABLED, &vf->vf_states);
|
|
}
|
|
} else {
|
|
vf->num_valid_msgs++;
|
|
/* reset the invalid counter, if a valid message is received. */
|
|
vf->num_invalid_msgs = 0;
|
|
}
|
|
|
|
aq_ret = i40e_aq_send_msg_to_vf(hw, abs_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.aq.asq_last_status);
|
|
return -EIO;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_send_resp_to_vf
|
|
* @vf: pointer to the VF info
|
|
* @opcode: operation code
|
|
* @retval: return value
|
|
*
|
|
* send resp msg to VF
|
|
**/
|
|
static int i40e_vc_send_resp_to_vf(struct i40e_vf *vf,
|
|
enum virtchnl_ops opcode,
|
|
i40e_status retval)
|
|
{
|
|
return i40e_vc_send_msg_to_vf(vf, opcode, retval, NULL, 0);
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_get_version_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 i40e_vc_get_version_msg(struct i40e_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;
|
|
return i40e_vc_send_msg_to_vf(vf, VIRTCHNL_OP_VERSION,
|
|
I40E_SUCCESS, (u8 *)&info,
|
|
sizeof(struct virtchnl_version_info));
|
|
}
|
|
|
|
/**
|
|
* i40e_del_qch - delete all the additional VSIs created as a part of ADq
|
|
* @vf: pointer to VF structure
|
|
**/
|
|
static void i40e_del_qch(struct i40e_vf *vf)
|
|
{
|
|
struct i40e_pf *pf = vf->pf;
|
|
int i;
|
|
|
|
/* first element in the array belongs to primary VF VSI and we shouldn't
|
|
* delete it. We should however delete the rest of the VSIs created
|
|
*/
|
|
for (i = 1; i < vf->num_tc; i++) {
|
|
if (vf->ch[i].vsi_idx) {
|
|
i40e_vsi_release(pf->vsi[vf->ch[i].vsi_idx]);
|
|
vf->ch[i].vsi_idx = 0;
|
|
vf->ch[i].vsi_id = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_get_vf_resources_msg
|
|
* @vf: pointer to the VF info
|
|
* @msg: pointer to the msg buffer
|
|
*
|
|
* called from the VF to request its resources
|
|
**/
|
|
static int i40e_vc_get_vf_resources_msg(struct i40e_vf *vf, u8 *msg)
|
|
{
|
|
struct virtchnl_vf_resource *vfres = NULL;
|
|
struct i40e_pf *pf = vf->pf;
|
|
i40e_status aq_ret = 0;
|
|
struct i40e_vsi *vsi;
|
|
int num_vsis = 1;
|
|
int len = 0;
|
|
int ret;
|
|
|
|
if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto err;
|
|
}
|
|
|
|
len = (sizeof(struct virtchnl_vf_resource) +
|
|
sizeof(struct virtchnl_vsi_resource) * num_vsis);
|
|
|
|
vfres = kzalloc(len, GFP_KERNEL);
|
|
if (!vfres) {
|
|
aq_ret = I40E_ERR_NO_MEMORY;
|
|
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];
|
|
if (!vsi->info.pvid)
|
|
vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_VLAN;
|
|
|
|
if (i40e_vf_client_capable(pf, vf->vf_id) &&
|
|
(vf->driver_caps & VIRTCHNL_VF_OFFLOAD_IWARP)) {
|
|
vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_IWARP;
|
|
set_bit(I40E_VF_STATE_IWARPENA, &vf->vf_states);
|
|
} else {
|
|
clear_bit(I40E_VF_STATE_IWARPENA, &vf->vf_states);
|
|
}
|
|
|
|
if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
|
|
vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RSS_PF;
|
|
} else {
|
|
if ((pf->hw_features & I40E_HW_RSS_AQ_CAPABLE) &&
|
|
(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 (pf->hw_features & I40E_HW_MULTIPLE_TCP_UDP_RSS_PCTYPE) {
|
|
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 ((pf->hw_features & I40E_HW_OUTER_UDP_CSUM_CAPABLE) &&
|
|
(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) {
|
|
if (pf->flags & I40E_FLAG_MFP_ENABLED) {
|
|
dev_err(&pf->pdev->dev,
|
|
"VF %d requested polling mode: this feature is supported only when the device is running in single function per port (SFP) mode\n",
|
|
vf->vf_id);
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto err;
|
|
}
|
|
vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RX_POLLING;
|
|
}
|
|
|
|
if (pf->hw_features & I40E_HW_WB_ON_ITR_CAPABLE) {
|
|
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_OFFLOAD_ADQ)
|
|
vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_ADQ;
|
|
|
|
vfres->num_vsis = num_vsis;
|
|
vfres->num_queue_pairs = vf->num_queue_pairs;
|
|
vfres->max_vectors = pf->hw.func_caps.num_msix_vectors_vf;
|
|
vfres->rss_key_size = I40E_HKEY_ARRAY_SIZE;
|
|
vfres->rss_lut_size = I40E_VF_HLUT_ARRAY_SIZE;
|
|
|
|
if (vf->lan_vsi_idx) {
|
|
vfres->vsi_res[0].vsi_id = vf->lan_vsi_id;
|
|
vfres->vsi_res[0].vsi_type = VIRTCHNL_VSI_SRIOV;
|
|
vfres->vsi_res[0].num_queue_pairs = vsi->alloc_queue_pairs;
|
|
/* VFs only use TC 0 */
|
|
vfres->vsi_res[0].qset_handle
|
|
= le16_to_cpu(vsi->info.qs_handle[0]);
|
|
ether_addr_copy(vfres->vsi_res[0].default_mac_addr,
|
|
vf->default_lan_addr.addr);
|
|
}
|
|
set_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states);
|
|
|
|
err:
|
|
/* send the response back to the VF */
|
|
ret = i40e_vc_send_msg_to_vf(vf, VIRTCHNL_OP_GET_VF_RESOURCES,
|
|
aq_ret, (u8 *)vfres, len);
|
|
|
|
kfree(vfres);
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* i40e_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 i40e_vc_reset_vf_msg(struct i40e_vf *vf)
|
|
{
|
|
if (test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states))
|
|
i40e_reset_vf(vf, false);
|
|
}
|
|
|
|
/**
|
|
* i40e_getnum_vf_vsi_vlan_filters
|
|
* @vsi: pointer to the vsi
|
|
*
|
|
* called to get the number of VLANs offloaded on this VF
|
|
**/
|
|
static inline int i40e_getnum_vf_vsi_vlan_filters(struct i40e_vsi *vsi)
|
|
{
|
|
struct i40e_mac_filter *f;
|
|
int num_vlans = 0, bkt;
|
|
|
|
hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) {
|
|
if (f->vlan >= 0 && f->vlan <= I40E_MAX_VLANID)
|
|
num_vlans++;
|
|
}
|
|
|
|
return num_vlans;
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_config_promiscuous_mode_msg
|
|
* @vf: pointer to the VF info
|
|
* @msg: pointer to the msg buffer
|
|
*
|
|
* called from the VF to configure the promiscuous mode of
|
|
* VF vsis
|
|
**/
|
|
static int i40e_vc_config_promiscuous_mode_msg(struct i40e_vf *vf, u8 *msg)
|
|
{
|
|
struct virtchnl_promisc_info *info =
|
|
(struct virtchnl_promisc_info *)msg;
|
|
struct i40e_pf *pf = vf->pf;
|
|
i40e_status aq_ret = 0;
|
|
bool allmulti = false;
|
|
bool alluni = false;
|
|
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states))
|
|
return I40E_ERR_PARAM;
|
|
|
|
/* Multicast promiscuous handling*/
|
|
if (info->flags & FLAG_VF_MULTICAST_PROMISC)
|
|
allmulti = true;
|
|
|
|
if (info->flags & FLAG_VF_UNICAST_PROMISC)
|
|
alluni = true;
|
|
aq_ret = i40e_config_vf_promiscuous_mode(vf, info->vsi_id, allmulti,
|
|
alluni);
|
|
if (!aq_ret) {
|
|
if (allmulti) {
|
|
dev_info(&pf->pdev->dev,
|
|
"VF %d successfully set multicast promiscuous mode\n",
|
|
vf->vf_id);
|
|
set_bit(I40E_VF_STATE_MC_PROMISC, &vf->vf_states);
|
|
} else {
|
|
dev_info(&pf->pdev->dev,
|
|
"VF %d successfully unset multicast promiscuous mode\n",
|
|
vf->vf_id);
|
|
clear_bit(I40E_VF_STATE_MC_PROMISC, &vf->vf_states);
|
|
}
|
|
if (alluni) {
|
|
dev_info(&pf->pdev->dev,
|
|
"VF %d successfully set unicast promiscuous mode\n",
|
|
vf->vf_id);
|
|
set_bit(I40E_VF_STATE_UC_PROMISC, &vf->vf_states);
|
|
} else {
|
|
dev_info(&pf->pdev->dev,
|
|
"VF %d successfully unset unicast promiscuous mode\n",
|
|
vf->vf_id);
|
|
clear_bit(I40E_VF_STATE_UC_PROMISC, &vf->vf_states);
|
|
}
|
|
}
|
|
|
|
/* send the response to the VF */
|
|
return i40e_vc_send_resp_to_vf(vf,
|
|
VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE,
|
|
aq_ret);
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_config_queues_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 i40e_vc_config_queues_msg(struct i40e_vf *vf, u8 *msg)
|
|
{
|
|
struct virtchnl_vsi_queue_config_info *qci =
|
|
(struct virtchnl_vsi_queue_config_info *)msg;
|
|
struct virtchnl_queue_pair_info *qpi;
|
|
struct i40e_pf *pf = vf->pf;
|
|
u16 vsi_id, vsi_queue_id = 0;
|
|
i40e_status aq_ret = 0;
|
|
int i, j = 0, idx = 0;
|
|
|
|
vsi_id = qci->vsi_id;
|
|
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
for (i = 0; i < qci->num_queue_pairs; i++) {
|
|
qpi = &qci->qpair[i];
|
|
|
|
if (!vf->adq_enabled) {
|
|
vsi_queue_id = qpi->txq.queue_id;
|
|
|
|
if (qpi->txq.vsi_id != qci->vsi_id ||
|
|
qpi->rxq.vsi_id != qci->vsi_id ||
|
|
qpi->rxq.queue_id != vsi_queue_id) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
}
|
|
|
|
if (!i40e_vc_isvalid_queue_id(vf, vsi_id, vsi_queue_id)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
if (i40e_config_vsi_rx_queue(vf, vsi_id, vsi_queue_id,
|
|
&qpi->rxq) ||
|
|
i40e_config_vsi_tx_queue(vf, vsi_id, vsi_queue_id,
|
|
&qpi->txq)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
/* For ADq there can be up to 4 VSIs with max 4 queues each.
|
|
* VF does not know about these additional VSIs and all
|
|
* it cares is about its own queues. PF configures these queues
|
|
* to its appropriate VSIs based on TC mapping
|
|
**/
|
|
if (vf->adq_enabled) {
|
|
if (j == (vf->ch[idx].num_qps - 1)) {
|
|
idx++;
|
|
j = 0; /* resetting the queue count */
|
|
vsi_queue_id = 0;
|
|
} else {
|
|
j++;
|
|
vsi_queue_id++;
|
|
}
|
|
vsi_id = vf->ch[idx].vsi_id;
|
|
}
|
|
}
|
|
/* set vsi num_queue_pairs in use to num configured by VF */
|
|
if (!vf->adq_enabled) {
|
|
pf->vsi[vf->lan_vsi_idx]->num_queue_pairs =
|
|
qci->num_queue_pairs;
|
|
} else {
|
|
for (i = 0; i < vf->num_tc; i++)
|
|
pf->vsi[vf->ch[i].vsi_idx]->num_queue_pairs =
|
|
vf->ch[i].num_qps;
|
|
}
|
|
|
|
error_param:
|
|
/* send the response to the VF */
|
|
return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_CONFIG_VSI_QUEUES,
|
|
aq_ret);
|
|
}
|
|
|
|
/**
|
|
* i40e_validate_queue_map
|
|
* @vsi_id: vsi id
|
|
* @queuemap: Tx or Rx queue map
|
|
*
|
|
* check if Tx or Rx queue map is valid
|
|
**/
|
|
static int i40e_validate_queue_map(struct i40e_vf *vf, u16 vsi_id,
|
|
unsigned long queuemap)
|
|
{
|
|
u16 vsi_queue_id, queue_id;
|
|
|
|
for_each_set_bit(vsi_queue_id, &queuemap, I40E_MAX_VSI_QP) {
|
|
if (vf->adq_enabled) {
|
|
vsi_id = vf->ch[vsi_queue_id / I40E_MAX_VF_VSI].vsi_id;
|
|
queue_id = (vsi_queue_id % I40E_DEFAULT_QUEUES_PER_VF);
|
|
} else {
|
|
queue_id = vsi_queue_id;
|
|
}
|
|
|
|
if (!i40e_vc_isvalid_queue_id(vf, vsi_id, queue_id))
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_config_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 i40e_vc_config_irq_map_msg(struct i40e_vf *vf, u8 *msg)
|
|
{
|
|
struct virtchnl_irq_map_info *irqmap_info =
|
|
(struct virtchnl_irq_map_info *)msg;
|
|
struct virtchnl_vector_map *map;
|
|
u16 vsi_id, vector_id;
|
|
i40e_status aq_ret = 0;
|
|
int i;
|
|
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
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 (!i40e_vc_isvalid_vector_id(vf, vector_id) ||
|
|
!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
if (i40e_validate_queue_map(vf, vsi_id, map->rxq_map)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
if (i40e_validate_queue_map(vf, vsi_id, map->txq_map)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
i40e_config_irq_link_list(vf, vsi_id, map);
|
|
}
|
|
error_param:
|
|
/* send the response to the VF */
|
|
return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_CONFIG_IRQ_MAP,
|
|
aq_ret);
|
|
}
|
|
|
|
/**
|
|
* i40e_ctrl_vf_tx_rings
|
|
* @vsi: the SRIOV VSI being configured
|
|
* @q_map: bit map of the queues to be enabled
|
|
* @enable: start or stop the queue
|
|
**/
|
|
static int i40e_ctrl_vf_tx_rings(struct i40e_vsi *vsi, unsigned long q_map,
|
|
bool enable)
|
|
{
|
|
struct i40e_pf *pf = vsi->back;
|
|
int ret = 0;
|
|
u16 q_id;
|
|
|
|
for_each_set_bit(q_id, &q_map, I40E_MAX_VF_QUEUES) {
|
|
ret = i40e_control_wait_tx_q(vsi->seid, pf,
|
|
vsi->base_queue + q_id,
|
|
false /*is xdp*/, enable);
|
|
if (ret)
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* i40e_ctrl_vf_rx_rings
|
|
* @vsi: the SRIOV VSI being configured
|
|
* @q_map: bit map of the queues to be enabled
|
|
* @enable: start or stop the queue
|
|
**/
|
|
static int i40e_ctrl_vf_rx_rings(struct i40e_vsi *vsi, unsigned long q_map,
|
|
bool enable)
|
|
{
|
|
struct i40e_pf *pf = vsi->back;
|
|
int ret = 0;
|
|
u16 q_id;
|
|
|
|
for_each_set_bit(q_id, &q_map, I40E_MAX_VF_QUEUES) {
|
|
ret = i40e_control_wait_rx_q(pf, vsi->base_queue + q_id,
|
|
enable);
|
|
if (ret)
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_enable_queues_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 i40e_vc_enable_queues_msg(struct i40e_vf *vf, u8 *msg)
|
|
{
|
|
struct virtchnl_queue_select *vqs =
|
|
(struct virtchnl_queue_select *)msg;
|
|
struct i40e_pf *pf = vf->pf;
|
|
u16 vsi_id = vqs->vsi_id;
|
|
i40e_status aq_ret = 0;
|
|
int i;
|
|
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
/* Use the queue bit map sent by the VF */
|
|
if (i40e_ctrl_vf_rx_rings(pf->vsi[vf->lan_vsi_idx], vqs->rx_queues,
|
|
true)) {
|
|
aq_ret = I40E_ERR_TIMEOUT;
|
|
goto error_param;
|
|
}
|
|
if (i40e_ctrl_vf_tx_rings(pf->vsi[vf->lan_vsi_idx], vqs->tx_queues,
|
|
true)) {
|
|
aq_ret = I40E_ERR_TIMEOUT;
|
|
goto error_param;
|
|
}
|
|
|
|
/* need to start the rings for additional ADq VSI's as well */
|
|
if (vf->adq_enabled) {
|
|
/* zero belongs to LAN VSI */
|
|
for (i = 1; i < vf->num_tc; i++) {
|
|
if (i40e_vsi_start_rings(pf->vsi[vf->ch[i].vsi_idx]))
|
|
aq_ret = I40E_ERR_TIMEOUT;
|
|
}
|
|
}
|
|
|
|
error_param:
|
|
/* send the response to the VF */
|
|
return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_ENABLE_QUEUES,
|
|
aq_ret);
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_disable_queues_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 i40e_vc_disable_queues_msg(struct i40e_vf *vf, u8 *msg)
|
|
{
|
|
struct virtchnl_queue_select *vqs =
|
|
(struct virtchnl_queue_select *)msg;
|
|
struct i40e_pf *pf = vf->pf;
|
|
i40e_status aq_ret = 0;
|
|
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
/* Use the queue bit map sent by the VF */
|
|
if (i40e_ctrl_vf_tx_rings(pf->vsi[vf->lan_vsi_idx], vqs->tx_queues,
|
|
false)) {
|
|
aq_ret = I40E_ERR_TIMEOUT;
|
|
goto error_param;
|
|
}
|
|
if (i40e_ctrl_vf_rx_rings(pf->vsi[vf->lan_vsi_idx], vqs->rx_queues,
|
|
false)) {
|
|
aq_ret = I40E_ERR_TIMEOUT;
|
|
goto error_param;
|
|
}
|
|
error_param:
|
|
/* send the response to the VF */
|
|
return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_DISABLE_QUEUES,
|
|
aq_ret);
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_request_queues_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
|
|
* different number. If the request is successful, PF will reset the VF and
|
|
* return 0. If unsuccessful, PF will send message informing VF of number of
|
|
* available queues and return result of sending VF a message.
|
|
**/
|
|
static int i40e_vc_request_queues_msg(struct i40e_vf *vf, u8 *msg)
|
|
{
|
|
struct virtchnl_vf_res_request *vfres =
|
|
(struct virtchnl_vf_res_request *)msg;
|
|
int req_pairs = vfres->num_queue_pairs;
|
|
int cur_pairs = vf->num_queue_pairs;
|
|
struct i40e_pf *pf = vf->pf;
|
|
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states))
|
|
return -EINVAL;
|
|
|
|
if (req_pairs <= 0) {
|
|
dev_err(&pf->pdev->dev,
|
|
"VF %d tried to request %d queues. Ignoring.\n",
|
|
vf->vf_id, req_pairs);
|
|
} else if (req_pairs > I40E_MAX_VF_QUEUES) {
|
|
dev_err(&pf->pdev->dev,
|
|
"VF %d tried to request more than %d queues.\n",
|
|
vf->vf_id,
|
|
I40E_MAX_VF_QUEUES);
|
|
vfres->num_queue_pairs = I40E_MAX_VF_QUEUES;
|
|
} else if (req_pairs - cur_pairs > pf->queues_left) {
|
|
dev_warn(&pf->pdev->dev,
|
|
"VF %d requested %d more queues, but only %d left.\n",
|
|
vf->vf_id,
|
|
req_pairs - cur_pairs,
|
|
pf->queues_left);
|
|
vfres->num_queue_pairs = pf->queues_left + cur_pairs;
|
|
} else {
|
|
/* successful request */
|
|
vf->num_req_queues = req_pairs;
|
|
i40e_vc_notify_vf_reset(vf);
|
|
i40e_reset_vf(vf, false);
|
|
return 0;
|
|
}
|
|
|
|
return i40e_vc_send_msg_to_vf(vf, VIRTCHNL_OP_REQUEST_QUEUES, 0,
|
|
(u8 *)vfres, sizeof(*vfres));
|
|
}
|
|
|
|
/**
|
|
* i40e_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 i40e_vc_get_stats_msg(struct i40e_vf *vf, u8 *msg)
|
|
{
|
|
struct virtchnl_queue_select *vqs =
|
|
(struct virtchnl_queue_select *)msg;
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_eth_stats stats;
|
|
i40e_status aq_ret = 0;
|
|
struct i40e_vsi *vsi;
|
|
|
|
memset(&stats, 0, sizeof(struct i40e_eth_stats));
|
|
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
|
if (!vsi) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
i40e_update_eth_stats(vsi);
|
|
stats = vsi->eth_stats;
|
|
|
|
error_param:
|
|
/* send the response back to the VF */
|
|
return i40e_vc_send_msg_to_vf(vf, VIRTCHNL_OP_GET_STATS, aq_ret,
|
|
(u8 *)&stats, sizeof(stats));
|
|
}
|
|
|
|
/* If the VF is not trusted restrict the number of MAC/VLAN it can program */
|
|
#define I40E_VC_MAX_MAC_ADDR_PER_VF 12
|
|
#define I40E_VC_MAX_VLAN_PER_VF 8
|
|
|
|
/**
|
|
* i40e_check_vf_permission
|
|
* @vf: pointer to the VF info
|
|
* @al: MAC address list from virtchnl
|
|
*
|
|
* Check that the given list of MAC addresses is allowed. Will return -EPERM
|
|
* if any address in the list is not valid. Checks the following conditions:
|
|
*
|
|
* 1) broadcast and zero addresses are never valid
|
|
* 2) unicast addresses are not allowed if the VMM has administratively set
|
|
* the VF MAC address, unless the VF is marked as privileged.
|
|
* 3) There is enough space to add all the addresses.
|
|
*
|
|
* Note that to guarantee consistency, it is expected this function be called
|
|
* while holding the mac_filter_hash_lock, as otherwise the current number of
|
|
* addresses might not be accurate.
|
|
**/
|
|
static inline int i40e_check_vf_permission(struct i40e_vf *vf,
|
|
struct virtchnl_ether_addr_list *al)
|
|
{
|
|
struct i40e_pf *pf = vf->pf;
|
|
int i;
|
|
|
|
/* If this VF is not privileged, then we can't add more than a limited
|
|
* number of addresses. Check to make sure that the additions do not
|
|
* push us over the limit.
|
|
*/
|
|
if (!test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) &&
|
|
(vf->num_mac + al->num_elements) > I40E_VC_MAX_MAC_ADDR_PER_VF) {
|
|
dev_err(&pf->pdev->dev,
|
|
"Cannot add more MAC addresses, VF is not trusted, switch the VF to trusted to add more functionality\n");
|
|
return -EPERM;
|
|
}
|
|
|
|
for (i = 0; i < al->num_elements; i++) {
|
|
u8 *addr = al->list[i].addr;
|
|
|
|
if (is_broadcast_ether_addr(addr) ||
|
|
is_zero_ether_addr(addr)) {
|
|
dev_err(&pf->pdev->dev, "invalid VF MAC addr %pM\n",
|
|
addr);
|
|
return I40E_ERR_INVALID_MAC_ADDR;
|
|
}
|
|
|
|
/* If the host VMM administrator has set the VF MAC address
|
|
* administratively via the ndo_set_vf_mac command then deny
|
|
* permission to the VF to add or delete unicast MAC addresses.
|
|
* Unless the VF is privileged and then it can do whatever.
|
|
* The VF may request to set the MAC address filter already
|
|
* assigned to it so do not return an error in that case.
|
|
*/
|
|
if (!test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) &&
|
|
!is_multicast_ether_addr(addr) && vf->pf_set_mac &&
|
|
!ether_addr_equal(addr, vf->default_lan_addr.addr)) {
|
|
dev_err(&pf->pdev->dev,
|
|
"VF attempting to override administratively set MAC address, bring down and up the VF interface to resume normal operation\n");
|
|
return -EPERM;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_add_mac_addr_msg
|
|
* @vf: pointer to the VF info
|
|
* @msg: pointer to the msg buffer
|
|
*
|
|
* add guest mac address filter
|
|
**/
|
|
static int i40e_vc_add_mac_addr_msg(struct i40e_vf *vf, u8 *msg)
|
|
{
|
|
struct virtchnl_ether_addr_list *al =
|
|
(struct virtchnl_ether_addr_list *)msg;
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_vsi *vsi = NULL;
|
|
u16 vsi_id = al->vsi_id;
|
|
i40e_status ret = 0;
|
|
int i;
|
|
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
|
|
!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
|
|
ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
|
|
|
/* Lock once, because all function inside for loop accesses VSI's
|
|
* MAC filter list which needs to be protected using same lock.
|
|
*/
|
|
spin_lock_bh(&vsi->mac_filter_hash_lock);
|
|
|
|
ret = i40e_check_vf_permission(vf, al);
|
|
if (ret) {
|
|
spin_unlock_bh(&vsi->mac_filter_hash_lock);
|
|
goto error_param;
|
|
}
|
|
|
|
/* add new addresses to the list */
|
|
for (i = 0; i < al->num_elements; i++) {
|
|
struct i40e_mac_filter *f;
|
|
|
|
f = i40e_find_mac(vsi, al->list[i].addr);
|
|
if (!f) {
|
|
f = i40e_add_mac_filter(vsi, al->list[i].addr);
|
|
|
|
if (!f) {
|
|
dev_err(&pf->pdev->dev,
|
|
"Unable to add MAC filter %pM for VF %d\n",
|
|
al->list[i].addr, vf->vf_id);
|
|
ret = I40E_ERR_PARAM;
|
|
spin_unlock_bh(&vsi->mac_filter_hash_lock);
|
|
goto error_param;
|
|
} else {
|
|
vf->num_mac++;
|
|
}
|
|
}
|
|
}
|
|
spin_unlock_bh(&vsi->mac_filter_hash_lock);
|
|
|
|
/* program the updated filter list */
|
|
ret = i40e_sync_vsi_filters(vsi);
|
|
if (ret)
|
|
dev_err(&pf->pdev->dev, "Unable to program VF %d MAC filters, error %d\n",
|
|
vf->vf_id, ret);
|
|
|
|
error_param:
|
|
/* send the response to the VF */
|
|
return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_ADD_ETH_ADDR,
|
|
ret);
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_del_mac_addr_msg
|
|
* @vf: pointer to the VF info
|
|
* @msg: pointer to the msg buffer
|
|
*
|
|
* remove guest mac address filter
|
|
**/
|
|
static int i40e_vc_del_mac_addr_msg(struct i40e_vf *vf, u8 *msg)
|
|
{
|
|
struct virtchnl_ether_addr_list *al =
|
|
(struct virtchnl_ether_addr_list *)msg;
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_vsi *vsi = NULL;
|
|
u16 vsi_id = al->vsi_id;
|
|
i40e_status ret = 0;
|
|
int i;
|
|
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
|
|
!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
|
|
ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
for (i = 0; i < al->num_elements; i++) {
|
|
if (is_broadcast_ether_addr(al->list[i].addr) ||
|
|
is_zero_ether_addr(al->list[i].addr)) {
|
|
dev_err(&pf->pdev->dev, "Invalid MAC addr %pM for VF %d\n",
|
|
al->list[i].addr, vf->vf_id);
|
|
ret = I40E_ERR_INVALID_MAC_ADDR;
|
|
goto error_param;
|
|
}
|
|
|
|
if (vf->pf_set_mac &&
|
|
ether_addr_equal(al->list[i].addr,
|
|
vf->default_lan_addr.addr)) {
|
|
dev_err(&pf->pdev->dev,
|
|
"MAC addr %pM has been set by PF, cannot delete it for VF %d, reset VF to change MAC addr\n",
|
|
vf->default_lan_addr.addr, vf->vf_id);
|
|
ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
}
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
|
|
|
spin_lock_bh(&vsi->mac_filter_hash_lock);
|
|
/* delete addresses from the list */
|
|
for (i = 0; i < al->num_elements; i++)
|
|
if (i40e_del_mac_filter(vsi, al->list[i].addr)) {
|
|
ret = I40E_ERR_INVALID_MAC_ADDR;
|
|
spin_unlock_bh(&vsi->mac_filter_hash_lock);
|
|
goto error_param;
|
|
} else {
|
|
vf->num_mac--;
|
|
}
|
|
|
|
spin_unlock_bh(&vsi->mac_filter_hash_lock);
|
|
|
|
/* program the updated filter list */
|
|
ret = i40e_sync_vsi_filters(vsi);
|
|
if (ret)
|
|
dev_err(&pf->pdev->dev, "Unable to program VF %d MAC filters, error %d\n",
|
|
vf->vf_id, ret);
|
|
|
|
error_param:
|
|
/* send the response to the VF */
|
|
return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_DEL_ETH_ADDR,
|
|
ret);
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_add_vlan_msg
|
|
* @vf: pointer to the VF info
|
|
* @msg: pointer to the msg buffer
|
|
*
|
|
* program guest vlan id
|
|
**/
|
|
static int i40e_vc_add_vlan_msg(struct i40e_vf *vf, u8 *msg)
|
|
{
|
|
struct virtchnl_vlan_filter_list *vfl =
|
|
(struct virtchnl_vlan_filter_list *)msg;
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_vsi *vsi = NULL;
|
|
u16 vsi_id = vfl->vsi_id;
|
|
i40e_status aq_ret = 0;
|
|
int i;
|
|
|
|
if ((vf->num_vlan >= I40E_VC_MAX_VLAN_PER_VF) &&
|
|
!test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) {
|
|
dev_err(&pf->pdev->dev,
|
|
"VF is not trusted, switch the VF to trusted to add more VLAN addresses\n");
|
|
goto error_param;
|
|
}
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
|
|
!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
for (i = 0; i < vfl->num_elements; i++) {
|
|
if (vfl->vlan_id[i] > I40E_MAX_VLANID) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
dev_err(&pf->pdev->dev,
|
|
"invalid VF VLAN id %d\n", vfl->vlan_id[i]);
|
|
goto error_param;
|
|
}
|
|
}
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
|
if (vsi->info.pvid) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
i40e_vlan_stripping_enable(vsi);
|
|
for (i = 0; i < vfl->num_elements; i++) {
|
|
/* add new VLAN filter */
|
|
int ret = i40e_vsi_add_vlan(vsi, vfl->vlan_id[i]);
|
|
if (!ret)
|
|
vf->num_vlan++;
|
|
|
|
if (test_bit(I40E_VF_STATE_UC_PROMISC, &vf->vf_states))
|
|
i40e_aq_set_vsi_uc_promisc_on_vlan(&pf->hw, vsi->seid,
|
|
true,
|
|
vfl->vlan_id[i],
|
|
NULL);
|
|
if (test_bit(I40E_VF_STATE_MC_PROMISC, &vf->vf_states))
|
|
i40e_aq_set_vsi_mc_promisc_on_vlan(&pf->hw, vsi->seid,
|
|
true,
|
|
vfl->vlan_id[i],
|
|
NULL);
|
|
|
|
if (ret)
|
|
dev_err(&pf->pdev->dev,
|
|
"Unable to add VLAN filter %d for VF %d, error %d\n",
|
|
vfl->vlan_id[i], vf->vf_id, ret);
|
|
}
|
|
|
|
error_param:
|
|
/* send the response to the VF */
|
|
return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_ADD_VLAN, aq_ret);
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_remove_vlan_msg
|
|
* @vf: pointer to the VF info
|
|
* @msg: pointer to the msg buffer
|
|
*
|
|
* remove programmed guest vlan id
|
|
**/
|
|
static int i40e_vc_remove_vlan_msg(struct i40e_vf *vf, u8 *msg)
|
|
{
|
|
struct virtchnl_vlan_filter_list *vfl =
|
|
(struct virtchnl_vlan_filter_list *)msg;
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_vsi *vsi = NULL;
|
|
u16 vsi_id = vfl->vsi_id;
|
|
i40e_status aq_ret = 0;
|
|
int i;
|
|
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
|
|
!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
for (i = 0; i < vfl->num_elements; i++) {
|
|
if (vfl->vlan_id[i] > I40E_MAX_VLANID) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
}
|
|
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
|
if (vsi->info.pvid) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
for (i = 0; i < vfl->num_elements; i++) {
|
|
i40e_vsi_kill_vlan(vsi, vfl->vlan_id[i]);
|
|
vf->num_vlan--;
|
|
|
|
if (test_bit(I40E_VF_STATE_UC_PROMISC, &vf->vf_states))
|
|
i40e_aq_set_vsi_uc_promisc_on_vlan(&pf->hw, vsi->seid,
|
|
false,
|
|
vfl->vlan_id[i],
|
|
NULL);
|
|
if (test_bit(I40E_VF_STATE_MC_PROMISC, &vf->vf_states))
|
|
i40e_aq_set_vsi_mc_promisc_on_vlan(&pf->hw, vsi->seid,
|
|
false,
|
|
vfl->vlan_id[i],
|
|
NULL);
|
|
}
|
|
|
|
error_param:
|
|
/* send the response to the VF */
|
|
return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_DEL_VLAN, aq_ret);
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_iwarp_msg
|
|
* @vf: pointer to the VF info
|
|
* @msg: pointer to the msg buffer
|
|
* @msglen: msg length
|
|
*
|
|
* called from the VF for the iwarp msgs
|
|
**/
|
|
static int i40e_vc_iwarp_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
|
|
{
|
|
struct i40e_pf *pf = vf->pf;
|
|
int abs_vf_id = vf->vf_id + pf->hw.func_caps.vf_base_id;
|
|
i40e_status aq_ret = 0;
|
|
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
|
|
!test_bit(I40E_VF_STATE_IWARPENA, &vf->vf_states)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
i40e_notify_client_of_vf_msg(pf->vsi[pf->lan_vsi], abs_vf_id,
|
|
msg, msglen);
|
|
|
|
error_param:
|
|
/* send the response to the VF */
|
|
return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_IWARP,
|
|
aq_ret);
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_iwarp_qvmap_msg
|
|
* @vf: pointer to the VF info
|
|
* @msg: pointer to the msg buffer
|
|
* @config: config qvmap or release it
|
|
*
|
|
* called from the VF for the iwarp msgs
|
|
**/
|
|
static int i40e_vc_iwarp_qvmap_msg(struct i40e_vf *vf, u8 *msg, bool config)
|
|
{
|
|
struct virtchnl_iwarp_qvlist_info *qvlist_info =
|
|
(struct virtchnl_iwarp_qvlist_info *)msg;
|
|
i40e_status aq_ret = 0;
|
|
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
|
|
!test_bit(I40E_VF_STATE_IWARPENA, &vf->vf_states)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto error_param;
|
|
}
|
|
|
|
if (config) {
|
|
if (i40e_config_iwarp_qvlist(vf, qvlist_info))
|
|
aq_ret = I40E_ERR_PARAM;
|
|
} else {
|
|
i40e_release_iwarp_qvlist(vf);
|
|
}
|
|
|
|
error_param:
|
|
/* send the response to the VF */
|
|
return i40e_vc_send_resp_to_vf(vf,
|
|
config ? VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP :
|
|
VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP,
|
|
aq_ret);
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_config_rss_key
|
|
* @vf: pointer to the VF info
|
|
* @msg: pointer to the msg buffer
|
|
*
|
|
* Configure the VF's RSS key
|
|
**/
|
|
static int i40e_vc_config_rss_key(struct i40e_vf *vf, u8 *msg)
|
|
{
|
|
struct virtchnl_rss_key *vrk =
|
|
(struct virtchnl_rss_key *)msg;
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_vsi *vsi = NULL;
|
|
u16 vsi_id = vrk->vsi_id;
|
|
i40e_status aq_ret = 0;
|
|
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
|
|
!i40e_vc_isvalid_vsi_id(vf, vsi_id) ||
|
|
(vrk->key_len != I40E_HKEY_ARRAY_SIZE)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto err;
|
|
}
|
|
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
|
aq_ret = i40e_config_rss(vsi, vrk->key, NULL, 0);
|
|
err:
|
|
/* send the response to the VF */
|
|
return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_CONFIG_RSS_KEY,
|
|
aq_ret);
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_config_rss_lut
|
|
* @vf: pointer to the VF info
|
|
* @msg: pointer to the msg buffer
|
|
*
|
|
* Configure the VF's RSS LUT
|
|
**/
|
|
static int i40e_vc_config_rss_lut(struct i40e_vf *vf, u8 *msg)
|
|
{
|
|
struct virtchnl_rss_lut *vrl =
|
|
(struct virtchnl_rss_lut *)msg;
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_vsi *vsi = NULL;
|
|
u16 vsi_id = vrl->vsi_id;
|
|
i40e_status aq_ret = 0;
|
|
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
|
|
!i40e_vc_isvalid_vsi_id(vf, vsi_id) ||
|
|
(vrl->lut_entries != I40E_VF_HLUT_ARRAY_SIZE)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto err;
|
|
}
|
|
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
|
aq_ret = i40e_config_rss(vsi, NULL, vrl->lut, I40E_VF_HLUT_ARRAY_SIZE);
|
|
/* send the response to the VF */
|
|
err:
|
|
return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_CONFIG_RSS_LUT,
|
|
aq_ret);
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_get_rss_hena
|
|
* @vf: pointer to the VF info
|
|
* @msg: pointer to the msg buffer
|
|
*
|
|
* Return the RSS HENA bits allowed by the hardware
|
|
**/
|
|
static int i40e_vc_get_rss_hena(struct i40e_vf *vf, u8 *msg)
|
|
{
|
|
struct virtchnl_rss_hena *vrh = NULL;
|
|
struct i40e_pf *pf = vf->pf;
|
|
i40e_status aq_ret = 0;
|
|
int len = 0;
|
|
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto err;
|
|
}
|
|
len = sizeof(struct virtchnl_rss_hena);
|
|
|
|
vrh = kzalloc(len, GFP_KERNEL);
|
|
if (!vrh) {
|
|
aq_ret = I40E_ERR_NO_MEMORY;
|
|
len = 0;
|
|
goto err;
|
|
}
|
|
vrh->hena = i40e_pf_get_default_rss_hena(pf);
|
|
err:
|
|
/* send the response back to the VF */
|
|
aq_ret = i40e_vc_send_msg_to_vf(vf, VIRTCHNL_OP_GET_RSS_HENA_CAPS,
|
|
aq_ret, (u8 *)vrh, len);
|
|
kfree(vrh);
|
|
return aq_ret;
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_set_rss_hena
|
|
* @vf: pointer to the VF info
|
|
* @msg: pointer to the msg buffer
|
|
*
|
|
* Set the RSS HENA bits for the VF
|
|
**/
|
|
static int i40e_vc_set_rss_hena(struct i40e_vf *vf, u8 *msg)
|
|
{
|
|
struct virtchnl_rss_hena *vrh =
|
|
(struct virtchnl_rss_hena *)msg;
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
i40e_status aq_ret = 0;
|
|
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto err;
|
|
}
|
|
i40e_write_rx_ctl(hw, I40E_VFQF_HENA1(0, vf->vf_id), (u32)vrh->hena);
|
|
i40e_write_rx_ctl(hw, I40E_VFQF_HENA1(1, vf->vf_id),
|
|
(u32)(vrh->hena >> 32));
|
|
|
|
/* send the response to the VF */
|
|
err:
|
|
return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_SET_RSS_HENA, aq_ret);
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_enable_vlan_stripping
|
|
* @vf: pointer to the VF info
|
|
* @msg: pointer to the msg buffer
|
|
*
|
|
* Enable vlan header stripping for the VF
|
|
**/
|
|
static int i40e_vc_enable_vlan_stripping(struct i40e_vf *vf, u8 *msg)
|
|
{
|
|
struct i40e_vsi *vsi = vf->pf->vsi[vf->lan_vsi_idx];
|
|
i40e_status aq_ret = 0;
|
|
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto err;
|
|
}
|
|
|
|
i40e_vlan_stripping_enable(vsi);
|
|
|
|
/* send the response to the VF */
|
|
err:
|
|
return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_ENABLE_VLAN_STRIPPING,
|
|
aq_ret);
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_disable_vlan_stripping
|
|
* @vf: pointer to the VF info
|
|
* @msg: pointer to the msg buffer
|
|
*
|
|
* Disable vlan header stripping for the VF
|
|
**/
|
|
static int i40e_vc_disable_vlan_stripping(struct i40e_vf *vf, u8 *msg)
|
|
{
|
|
struct i40e_vsi *vsi = vf->pf->vsi[vf->lan_vsi_idx];
|
|
i40e_status aq_ret = 0;
|
|
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto err;
|
|
}
|
|
|
|
i40e_vlan_stripping_disable(vsi);
|
|
|
|
/* send the response to the VF */
|
|
err:
|
|
return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_DISABLE_VLAN_STRIPPING,
|
|
aq_ret);
|
|
}
|
|
|
|
/**
|
|
* i40e_validate_cloud_filter
|
|
* @mask: mask for TC filter
|
|
* @data: data for TC filter
|
|
*
|
|
* This function validates cloud filter programmed as TC filter for ADq
|
|
**/
|
|
static int i40e_validate_cloud_filter(struct i40e_vf *vf,
|
|
struct virtchnl_filter *tc_filter)
|
|
{
|
|
struct virtchnl_l4_spec mask = tc_filter->mask.tcp_spec;
|
|
struct virtchnl_l4_spec data = tc_filter->data.tcp_spec;
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_vsi *vsi = NULL;
|
|
struct i40e_mac_filter *f;
|
|
struct hlist_node *h;
|
|
bool found = false;
|
|
int bkt;
|
|
|
|
if (!tc_filter->action) {
|
|
dev_info(&pf->pdev->dev,
|
|
"VF %d: Currently ADq doesn't support Drop Action\n",
|
|
vf->vf_id);
|
|
goto err;
|
|
}
|
|
|
|
/* action_meta is TC number here to which the filter is applied */
|
|
if (!tc_filter->action_meta ||
|
|
tc_filter->action_meta > I40E_MAX_VF_VSI) {
|
|
dev_info(&pf->pdev->dev, "VF %d: Invalid TC number %u\n",
|
|
vf->vf_id, tc_filter->action_meta);
|
|
goto err;
|
|
}
|
|
|
|
/* Check filter if it's programmed for advanced mode or basic mode.
|
|
* There are two ADq modes (for VF only),
|
|
* 1. Basic mode: intended to allow as many filter options as possible
|
|
* to be added to a VF in Non-trusted mode. Main goal is
|
|
* to add filters to its own MAC and VLAN id.
|
|
* 2. Advanced mode: is for allowing filters to be applied other than
|
|
* its own MAC or VLAN. This mode requires the VF to be
|
|
* Trusted.
|
|
*/
|
|
if (mask.dst_mac[0] && !mask.dst_ip[0]) {
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
|
f = i40e_find_mac(vsi, data.dst_mac);
|
|
|
|
if (!f) {
|
|
dev_info(&pf->pdev->dev,
|
|
"Destination MAC %pM doesn't belong to VF %d\n",
|
|
data.dst_mac, vf->vf_id);
|
|
goto err;
|
|
}
|
|
|
|
if (mask.vlan_id) {
|
|
hash_for_each_safe(vsi->mac_filter_hash, bkt, h, f,
|
|
hlist) {
|
|
if (f->vlan == ntohs(data.vlan_id)) {
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
if (!found) {
|
|
dev_info(&pf->pdev->dev,
|
|
"VF %d doesn't have any VLAN id %u\n",
|
|
vf->vf_id, ntohs(data.vlan_id));
|
|
goto err;
|
|
}
|
|
}
|
|
} else {
|
|
/* Check if VF is trusted */
|
|
if (!test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) {
|
|
dev_err(&pf->pdev->dev,
|
|
"VF %d not trusted, make VF trusted to add advanced mode ADq cloud filters\n",
|
|
vf->vf_id);
|
|
return I40E_ERR_CONFIG;
|
|
}
|
|
}
|
|
|
|
if (mask.dst_mac[0] & data.dst_mac[0]) {
|
|
if (is_broadcast_ether_addr(data.dst_mac) ||
|
|
is_zero_ether_addr(data.dst_mac)) {
|
|
dev_info(&pf->pdev->dev, "VF %d: Invalid Dest MAC addr %pM\n",
|
|
vf->vf_id, data.dst_mac);
|
|
goto err;
|
|
}
|
|
}
|
|
|
|
if (mask.src_mac[0] & data.src_mac[0]) {
|
|
if (is_broadcast_ether_addr(data.src_mac) ||
|
|
is_zero_ether_addr(data.src_mac)) {
|
|
dev_info(&pf->pdev->dev, "VF %d: Invalid Source MAC addr %pM\n",
|
|
vf->vf_id, data.src_mac);
|
|
goto err;
|
|
}
|
|
}
|
|
|
|
if (mask.dst_port & data.dst_port) {
|
|
if (!data.dst_port || be16_to_cpu(data.dst_port) > 0xFFFF) {
|
|
dev_info(&pf->pdev->dev, "VF %d: Invalid Dest port\n",
|
|
vf->vf_id);
|
|
goto err;
|
|
}
|
|
}
|
|
|
|
if (mask.src_port & data.src_port) {
|
|
if (!data.src_port || be16_to_cpu(data.src_port) > 0xFFFF) {
|
|
dev_info(&pf->pdev->dev, "VF %d: Invalid Source port\n",
|
|
vf->vf_id);
|
|
goto err;
|
|
}
|
|
}
|
|
|
|
if (tc_filter->flow_type != VIRTCHNL_TCP_V6_FLOW &&
|
|
tc_filter->flow_type != VIRTCHNL_TCP_V4_FLOW) {
|
|
dev_info(&pf->pdev->dev, "VF %d: Invalid Flow type\n",
|
|
vf->vf_id);
|
|
goto err;
|
|
}
|
|
|
|
if (mask.vlan_id & data.vlan_id) {
|
|
if (ntohs(data.vlan_id) > I40E_MAX_VLANID) {
|
|
dev_info(&pf->pdev->dev, "VF %d: invalid VLAN ID\n",
|
|
vf->vf_id);
|
|
goto err;
|
|
}
|
|
}
|
|
|
|
return I40E_SUCCESS;
|
|
err:
|
|
return I40E_ERR_CONFIG;
|
|
}
|
|
|
|
/**
|
|
* i40e_find_vsi_from_seid - searches for the vsi with the given seid
|
|
* @vf: pointer to the VF info
|
|
* @seid - seid of the vsi it is searching for
|
|
**/
|
|
static struct i40e_vsi *i40e_find_vsi_from_seid(struct i40e_vf *vf, u16 seid)
|
|
{
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_vsi *vsi = NULL;
|
|
int i;
|
|
|
|
for (i = 0; i < vf->num_tc ; i++) {
|
|
vsi = i40e_find_vsi_from_id(pf, vf->ch[i].vsi_id);
|
|
if (vsi && vsi->seid == seid)
|
|
return vsi;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* i40e_del_all_cloud_filters
|
|
* @vf: pointer to the VF info
|
|
*
|
|
* This function deletes all cloud filters
|
|
**/
|
|
static void i40e_del_all_cloud_filters(struct i40e_vf *vf)
|
|
{
|
|
struct i40e_cloud_filter *cfilter = NULL;
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_vsi *vsi = NULL;
|
|
struct hlist_node *node;
|
|
int ret;
|
|
|
|
hlist_for_each_entry_safe(cfilter, node,
|
|
&vf->cloud_filter_list, cloud_node) {
|
|
vsi = i40e_find_vsi_from_seid(vf, cfilter->seid);
|
|
|
|
if (!vsi) {
|
|
dev_err(&pf->pdev->dev, "VF %d: no VSI found for matching %u seid, can't delete cloud filter\n",
|
|
vf->vf_id, cfilter->seid);
|
|
continue;
|
|
}
|
|
|
|
if (cfilter->dst_port)
|
|
ret = i40e_add_del_cloud_filter_big_buf(vsi, cfilter,
|
|
false);
|
|
else
|
|
ret = i40e_add_del_cloud_filter(vsi, cfilter, false);
|
|
if (ret)
|
|
dev_err(&pf->pdev->dev,
|
|
"VF %d: Failed to delete cloud filter, err %s aq_err %s\n",
|
|
vf->vf_id, i40e_stat_str(&pf->hw, ret),
|
|
i40e_aq_str(&pf->hw,
|
|
pf->hw.aq.asq_last_status));
|
|
|
|
hlist_del(&cfilter->cloud_node);
|
|
kfree(cfilter);
|
|
vf->num_cloud_filters--;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_del_cloud_filter
|
|
* @vf: pointer to the VF info
|
|
* @msg: pointer to the msg buffer
|
|
*
|
|
* This function deletes a cloud filter programmed as TC filter for ADq
|
|
**/
|
|
static int i40e_vc_del_cloud_filter(struct i40e_vf *vf, u8 *msg)
|
|
{
|
|
struct virtchnl_filter *vcf = (struct virtchnl_filter *)msg;
|
|
struct virtchnl_l4_spec mask = vcf->mask.tcp_spec;
|
|
struct virtchnl_l4_spec tcf = vcf->data.tcp_spec;
|
|
struct i40e_cloud_filter cfilter, *cf = NULL;
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_vsi *vsi = NULL;
|
|
struct hlist_node *node;
|
|
i40e_status aq_ret = 0;
|
|
int i, ret;
|
|
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto err;
|
|
}
|
|
|
|
if (!vf->adq_enabled) {
|
|
dev_info(&pf->pdev->dev,
|
|
"VF %d: ADq not enabled, can't apply cloud filter\n",
|
|
vf->vf_id);
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto err;
|
|
}
|
|
|
|
if (i40e_validate_cloud_filter(vf, vcf)) {
|
|
dev_info(&pf->pdev->dev,
|
|
"VF %d: Invalid input, can't apply cloud filter\n",
|
|
vf->vf_id);
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto err;
|
|
}
|
|
|
|
memset(&cfilter, 0, sizeof(cfilter));
|
|
/* parse destination mac address */
|
|
for (i = 0; i < ETH_ALEN; i++)
|
|
cfilter.dst_mac[i] = mask.dst_mac[i] & tcf.dst_mac[i];
|
|
|
|
/* parse source mac address */
|
|
for (i = 0; i < ETH_ALEN; i++)
|
|
cfilter.src_mac[i] = mask.src_mac[i] & tcf.src_mac[i];
|
|
|
|
cfilter.vlan_id = mask.vlan_id & tcf.vlan_id;
|
|
cfilter.dst_port = mask.dst_port & tcf.dst_port;
|
|
cfilter.src_port = mask.src_port & tcf.src_port;
|
|
|
|
switch (vcf->flow_type) {
|
|
case VIRTCHNL_TCP_V4_FLOW:
|
|
cfilter.n_proto = ETH_P_IP;
|
|
if (mask.dst_ip[0] & tcf.dst_ip[0])
|
|
memcpy(&cfilter.ip.v4.dst_ip, tcf.dst_ip,
|
|
ARRAY_SIZE(tcf.dst_ip));
|
|
else if (mask.src_ip[0] & tcf.dst_ip[0])
|
|
memcpy(&cfilter.ip.v4.src_ip, tcf.src_ip,
|
|
ARRAY_SIZE(tcf.dst_ip));
|
|
break;
|
|
case VIRTCHNL_TCP_V6_FLOW:
|
|
cfilter.n_proto = ETH_P_IPV6;
|
|
if (mask.dst_ip[3] & tcf.dst_ip[3])
|
|
memcpy(&cfilter.ip.v6.dst_ip6, tcf.dst_ip,
|
|
sizeof(cfilter.ip.v6.dst_ip6));
|
|
if (mask.src_ip[3] & tcf.src_ip[3])
|
|
memcpy(&cfilter.ip.v6.src_ip6, tcf.src_ip,
|
|
sizeof(cfilter.ip.v6.src_ip6));
|
|
break;
|
|
default:
|
|
/* TC filter can be configured based on different combinations
|
|
* and in this case IP is not a part of filter config
|
|
*/
|
|
dev_info(&pf->pdev->dev, "VF %d: Flow type not configured\n",
|
|
vf->vf_id);
|
|
}
|
|
|
|
/* get the vsi to which the tc belongs to */
|
|
vsi = pf->vsi[vf->ch[vcf->action_meta].vsi_idx];
|
|
cfilter.seid = vsi->seid;
|
|
cfilter.flags = vcf->field_flags;
|
|
|
|
/* Deleting TC filter */
|
|
if (tcf.dst_port)
|
|
ret = i40e_add_del_cloud_filter_big_buf(vsi, &cfilter, false);
|
|
else
|
|
ret = i40e_add_del_cloud_filter(vsi, &cfilter, false);
|
|
if (ret) {
|
|
dev_err(&pf->pdev->dev,
|
|
"VF %d: Failed to delete cloud filter, err %s aq_err %s\n",
|
|
vf->vf_id, i40e_stat_str(&pf->hw, ret),
|
|
i40e_aq_str(&pf->hw, pf->hw.aq.asq_last_status));
|
|
goto err;
|
|
}
|
|
|
|
hlist_for_each_entry_safe(cf, node,
|
|
&vf->cloud_filter_list, cloud_node) {
|
|
if (cf->seid != cfilter.seid)
|
|
continue;
|
|
if (mask.dst_port)
|
|
if (cfilter.dst_port != cf->dst_port)
|
|
continue;
|
|
if (mask.dst_mac[0])
|
|
if (!ether_addr_equal(cf->src_mac, cfilter.src_mac))
|
|
continue;
|
|
/* for ipv4 data to be valid, only first byte of mask is set */
|
|
if (cfilter.n_proto == ETH_P_IP && mask.dst_ip[0])
|
|
if (memcmp(&cfilter.ip.v4.dst_ip, &cf->ip.v4.dst_ip,
|
|
ARRAY_SIZE(tcf.dst_ip)))
|
|
continue;
|
|
/* for ipv6, mask is set for all sixteen bytes (4 words) */
|
|
if (cfilter.n_proto == ETH_P_IPV6 && mask.dst_ip[3])
|
|
if (memcmp(&cfilter.ip.v6.dst_ip6, &cf->ip.v6.dst_ip6,
|
|
sizeof(cfilter.ip.v6.src_ip6)))
|
|
continue;
|
|
if (mask.vlan_id)
|
|
if (cfilter.vlan_id != cf->vlan_id)
|
|
continue;
|
|
|
|
hlist_del(&cf->cloud_node);
|
|
kfree(cf);
|
|
vf->num_cloud_filters--;
|
|
}
|
|
|
|
err:
|
|
return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_DEL_CLOUD_FILTER,
|
|
aq_ret);
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_add_cloud_filter
|
|
* @vf: pointer to the VF info
|
|
* @msg: pointer to the msg buffer
|
|
*
|
|
* This function adds a cloud filter programmed as TC filter for ADq
|
|
**/
|
|
static int i40e_vc_add_cloud_filter(struct i40e_vf *vf, u8 *msg)
|
|
{
|
|
struct virtchnl_filter *vcf = (struct virtchnl_filter *)msg;
|
|
struct virtchnl_l4_spec mask = vcf->mask.tcp_spec;
|
|
struct virtchnl_l4_spec tcf = vcf->data.tcp_spec;
|
|
struct i40e_cloud_filter *cfilter = NULL;
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_vsi *vsi = NULL;
|
|
i40e_status aq_ret = 0;
|
|
int i, ret;
|
|
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto err;
|
|
}
|
|
|
|
if (!vf->adq_enabled) {
|
|
dev_info(&pf->pdev->dev,
|
|
"VF %d: ADq is not enabled, can't apply cloud filter\n",
|
|
vf->vf_id);
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto err;
|
|
}
|
|
|
|
if (i40e_validate_cloud_filter(vf, vcf)) {
|
|
dev_info(&pf->pdev->dev,
|
|
"VF %d: Invalid input/s, can't apply cloud filter\n",
|
|
vf->vf_id);
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto err;
|
|
}
|
|
|
|
cfilter = kzalloc(sizeof(*cfilter), GFP_KERNEL);
|
|
if (!cfilter)
|
|
return -ENOMEM;
|
|
|
|
/* parse destination mac address */
|
|
for (i = 0; i < ETH_ALEN; i++)
|
|
cfilter->dst_mac[i] = mask.dst_mac[i] & tcf.dst_mac[i];
|
|
|
|
/* parse source mac address */
|
|
for (i = 0; i < ETH_ALEN; i++)
|
|
cfilter->src_mac[i] = mask.src_mac[i] & tcf.src_mac[i];
|
|
|
|
cfilter->vlan_id = mask.vlan_id & tcf.vlan_id;
|
|
cfilter->dst_port = mask.dst_port & tcf.dst_port;
|
|
cfilter->src_port = mask.src_port & tcf.src_port;
|
|
|
|
switch (vcf->flow_type) {
|
|
case VIRTCHNL_TCP_V4_FLOW:
|
|
cfilter->n_proto = ETH_P_IP;
|
|
if (mask.dst_ip[0] & tcf.dst_ip[0])
|
|
memcpy(&cfilter->ip.v4.dst_ip, tcf.dst_ip,
|
|
ARRAY_SIZE(tcf.dst_ip));
|
|
else if (mask.src_ip[0] & tcf.dst_ip[0])
|
|
memcpy(&cfilter->ip.v4.src_ip, tcf.src_ip,
|
|
ARRAY_SIZE(tcf.dst_ip));
|
|
break;
|
|
case VIRTCHNL_TCP_V6_FLOW:
|
|
cfilter->n_proto = ETH_P_IPV6;
|
|
if (mask.dst_ip[3] & tcf.dst_ip[3])
|
|
memcpy(&cfilter->ip.v6.dst_ip6, tcf.dst_ip,
|
|
sizeof(cfilter->ip.v6.dst_ip6));
|
|
if (mask.src_ip[3] & tcf.src_ip[3])
|
|
memcpy(&cfilter->ip.v6.src_ip6, tcf.src_ip,
|
|
sizeof(cfilter->ip.v6.src_ip6));
|
|
break;
|
|
default:
|
|
/* TC filter can be configured based on different combinations
|
|
* and in this case IP is not a part of filter config
|
|
*/
|
|
dev_info(&pf->pdev->dev, "VF %d: Flow type not configured\n",
|
|
vf->vf_id);
|
|
}
|
|
|
|
/* get the VSI to which the TC belongs to */
|
|
vsi = pf->vsi[vf->ch[vcf->action_meta].vsi_idx];
|
|
cfilter->seid = vsi->seid;
|
|
cfilter->flags = vcf->field_flags;
|
|
|
|
/* Adding cloud filter programmed as TC filter */
|
|
if (tcf.dst_port)
|
|
ret = i40e_add_del_cloud_filter_big_buf(vsi, cfilter, true);
|
|
else
|
|
ret = i40e_add_del_cloud_filter(vsi, cfilter, true);
|
|
if (ret) {
|
|
dev_err(&pf->pdev->dev,
|
|
"VF %d: Failed to add cloud filter, err %s aq_err %s\n",
|
|
vf->vf_id, i40e_stat_str(&pf->hw, ret),
|
|
i40e_aq_str(&pf->hw, pf->hw.aq.asq_last_status));
|
|
goto err;
|
|
}
|
|
|
|
INIT_HLIST_NODE(&cfilter->cloud_node);
|
|
hlist_add_head(&cfilter->cloud_node, &vf->cloud_filter_list);
|
|
vf->num_cloud_filters++;
|
|
err:
|
|
return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_ADD_CLOUD_FILTER,
|
|
aq_ret);
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_add_qch_msg: Add queue channel and enable ADq
|
|
* @vf: pointer to the VF info
|
|
* @msg: pointer to the msg buffer
|
|
**/
|
|
static int i40e_vc_add_qch_msg(struct i40e_vf *vf, u8 *msg)
|
|
{
|
|
struct virtchnl_tc_info *tci =
|
|
(struct virtchnl_tc_info *)msg;
|
|
struct i40e_pf *pf = vf->pf;
|
|
struct i40e_link_status *ls = &pf->hw.phy.link_info;
|
|
int i, adq_request_qps = 0, speed = 0;
|
|
i40e_status aq_ret = 0;
|
|
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto err;
|
|
}
|
|
|
|
/* ADq cannot be applied if spoof check is ON */
|
|
if (vf->spoofchk) {
|
|
dev_err(&pf->pdev->dev,
|
|
"Spoof check is ON, turn it OFF to enable ADq\n");
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto err;
|
|
}
|
|
|
|
if (!(vf->driver_caps & VIRTCHNL_VF_OFFLOAD_ADQ)) {
|
|
dev_err(&pf->pdev->dev,
|
|
"VF %d attempting to enable ADq, but hasn't properly negotiated that capability\n",
|
|
vf->vf_id);
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto err;
|
|
}
|
|
|
|
/* max number of traffic classes for VF currently capped at 4 */
|
|
if (!tci->num_tc || tci->num_tc > I40E_MAX_VF_VSI) {
|
|
dev_err(&pf->pdev->dev,
|
|
"VF %d trying to set %u TCs, valid range 1-4 TCs per VF\n",
|
|
vf->vf_id, tci->num_tc);
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto err;
|
|
}
|
|
|
|
/* validate queues for each TC */
|
|
for (i = 0; i < tci->num_tc; i++)
|
|
if (!tci->list[i].count ||
|
|
tci->list[i].count > I40E_DEFAULT_QUEUES_PER_VF) {
|
|
dev_err(&pf->pdev->dev,
|
|
"VF %d: TC %d trying to set %u queues, valid range 1-4 queues per TC\n",
|
|
vf->vf_id, i, tci->list[i].count);
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto err;
|
|
}
|
|
|
|
/* need Max VF queues but already have default number of queues */
|
|
adq_request_qps = I40E_MAX_VF_QUEUES - I40E_DEFAULT_QUEUES_PER_VF;
|
|
|
|
if (pf->queues_left < adq_request_qps) {
|
|
dev_err(&pf->pdev->dev,
|
|
"No queues left to allocate to VF %d\n",
|
|
vf->vf_id);
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto err;
|
|
} else {
|
|
/* we need to allocate max VF queues to enable ADq so as to
|
|
* make sure ADq enabled VF always gets back queues when it
|
|
* goes through a reset.
|
|
*/
|
|
vf->num_queue_pairs = I40E_MAX_VF_QUEUES;
|
|
}
|
|
|
|
/* get link speed in MB to validate rate limit */
|
|
switch (ls->link_speed) {
|
|
case VIRTCHNL_LINK_SPEED_100MB:
|
|
speed = SPEED_100;
|
|
break;
|
|
case VIRTCHNL_LINK_SPEED_1GB:
|
|
speed = SPEED_1000;
|
|
break;
|
|
case VIRTCHNL_LINK_SPEED_10GB:
|
|
speed = SPEED_10000;
|
|
break;
|
|
case VIRTCHNL_LINK_SPEED_20GB:
|
|
speed = SPEED_20000;
|
|
break;
|
|
case VIRTCHNL_LINK_SPEED_25GB:
|
|
speed = SPEED_25000;
|
|
break;
|
|
case VIRTCHNL_LINK_SPEED_40GB:
|
|
speed = SPEED_40000;
|
|
break;
|
|
default:
|
|
dev_err(&pf->pdev->dev,
|
|
"Cannot detect link speed\n");
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto err;
|
|
}
|
|
|
|
/* parse data from the queue channel info */
|
|
vf->num_tc = tci->num_tc;
|
|
for (i = 0; i < vf->num_tc; i++) {
|
|
if (tci->list[i].max_tx_rate) {
|
|
if (tci->list[i].max_tx_rate > speed) {
|
|
dev_err(&pf->pdev->dev,
|
|
"Invalid max tx rate %llu specified for VF %d.",
|
|
tci->list[i].max_tx_rate,
|
|
vf->vf_id);
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto err;
|
|
} else {
|
|
vf->ch[i].max_tx_rate =
|
|
tci->list[i].max_tx_rate;
|
|
}
|
|
}
|
|
vf->ch[i].num_qps = tci->list[i].count;
|
|
}
|
|
|
|
/* set this flag only after making sure all inputs are sane */
|
|
vf->adq_enabled = true;
|
|
/* num_req_queues is set when user changes number of queues via ethtool
|
|
* and this causes issue for default VSI(which depends on this variable)
|
|
* when ADq is enabled, hence reset it.
|
|
*/
|
|
vf->num_req_queues = 0;
|
|
|
|
/* reset the VF in order to allocate resources */
|
|
i40e_vc_notify_vf_reset(vf);
|
|
i40e_reset_vf(vf, false);
|
|
|
|
return I40E_SUCCESS;
|
|
|
|
/* send the response to the VF */
|
|
err:
|
|
return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_ENABLE_CHANNELS,
|
|
aq_ret);
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_del_qch_msg
|
|
* @vf: pointer to the VF info
|
|
* @msg: pointer to the msg buffer
|
|
**/
|
|
static int i40e_vc_del_qch_msg(struct i40e_vf *vf, u8 *msg)
|
|
{
|
|
struct i40e_pf *pf = vf->pf;
|
|
i40e_status aq_ret = 0;
|
|
|
|
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
|
|
aq_ret = I40E_ERR_PARAM;
|
|
goto err;
|
|
}
|
|
|
|
if (vf->adq_enabled) {
|
|
i40e_del_all_cloud_filters(vf);
|
|
i40e_del_qch(vf);
|
|
vf->adq_enabled = false;
|
|
vf->num_tc = 0;
|
|
dev_info(&pf->pdev->dev,
|
|
"Deleting Queue Channels and cloud filters for ADq on VF %d\n",
|
|
vf->vf_id);
|
|
} else {
|
|
dev_info(&pf->pdev->dev, "VF %d trying to delete queue channels but ADq isn't enabled\n",
|
|
vf->vf_id);
|
|
aq_ret = I40E_ERR_PARAM;
|
|
}
|
|
|
|
/* reset the VF in order to allocate resources */
|
|
i40e_vc_notify_vf_reset(vf);
|
|
i40e_reset_vf(vf, false);
|
|
|
|
return I40E_SUCCESS;
|
|
|
|
err:
|
|
return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_DISABLE_CHANNELS,
|
|
aq_ret);
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_process_vf_msg
|
|
* @pf: pointer to the PF structure
|
|
* @vf_id: source VF id
|
|
* @v_opcode: operation code
|
|
* @v_retval: unused return value code
|
|
* @msg: pointer to the msg buffer
|
|
* @msglen: msg length
|
|
*
|
|
* called from the common aeq/arq handler to
|
|
* process request from VF
|
|
**/
|
|
int i40e_vc_process_vf_msg(struct i40e_pf *pf, s16 vf_id, u32 v_opcode,
|
|
u32 __always_unused v_retval, u8 *msg, u16 msglen)
|
|
{
|
|
struct i40e_hw *hw = &pf->hw;
|
|
int local_vf_id = vf_id - (s16)hw->func_caps.vf_base_id;
|
|
struct i40e_vf *vf;
|
|
int ret;
|
|
|
|
pf->vf_aq_requests++;
|
|
if (local_vf_id >= pf->num_alloc_vfs)
|
|
return -EINVAL;
|
|
vf = &(pf->vf[local_vf_id]);
|
|
|
|
/* Check if VF is disabled. */
|
|
if (test_bit(I40E_VF_STATE_DISABLED, &vf->vf_states))
|
|
return I40E_ERR_PARAM;
|
|
|
|
/* perform basic checks on the msg */
|
|
ret = virtchnl_vc_validate_vf_msg(&vf->vf_ver, v_opcode, msg, msglen);
|
|
|
|
/* perform additional checks specific to this driver */
|
|
if (v_opcode == VIRTCHNL_OP_CONFIG_RSS_KEY) {
|
|
struct virtchnl_rss_key *vrk = (struct virtchnl_rss_key *)msg;
|
|
|
|
if (vrk->key_len != I40E_HKEY_ARRAY_SIZE)
|
|
ret = -EINVAL;
|
|
} else if (v_opcode == VIRTCHNL_OP_CONFIG_RSS_LUT) {
|
|
struct virtchnl_rss_lut *vrl = (struct virtchnl_rss_lut *)msg;
|
|
|
|
if (vrl->lut_entries != I40E_VF_HLUT_ARRAY_SIZE)
|
|
ret = -EINVAL;
|
|
}
|
|
|
|
if (ret) {
|
|
i40e_vc_send_resp_to_vf(vf, v_opcode, I40E_ERR_PARAM);
|
|
dev_err(&pf->pdev->dev, "Invalid message from VF %d, opcode %d, len %d\n",
|
|
local_vf_id, v_opcode, msglen);
|
|
switch (ret) {
|
|
case VIRTCHNL_ERR_PARAM:
|
|
return -EPERM;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
switch (v_opcode) {
|
|
case VIRTCHNL_OP_VERSION:
|
|
ret = i40e_vc_get_version_msg(vf, msg);
|
|
break;
|
|
case VIRTCHNL_OP_GET_VF_RESOURCES:
|
|
ret = i40e_vc_get_vf_resources_msg(vf, msg);
|
|
i40e_vc_notify_vf_link_state(vf);
|
|
break;
|
|
case VIRTCHNL_OP_RESET_VF:
|
|
i40e_vc_reset_vf_msg(vf);
|
|
ret = 0;
|
|
break;
|
|
case VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
|
|
ret = i40e_vc_config_promiscuous_mode_msg(vf, msg);
|
|
break;
|
|
case VIRTCHNL_OP_CONFIG_VSI_QUEUES:
|
|
ret = i40e_vc_config_queues_msg(vf, msg);
|
|
break;
|
|
case VIRTCHNL_OP_CONFIG_IRQ_MAP:
|
|
ret = i40e_vc_config_irq_map_msg(vf, msg);
|
|
break;
|
|
case VIRTCHNL_OP_ENABLE_QUEUES:
|
|
ret = i40e_vc_enable_queues_msg(vf, msg);
|
|
i40e_vc_notify_vf_link_state(vf);
|
|
break;
|
|
case VIRTCHNL_OP_DISABLE_QUEUES:
|
|
ret = i40e_vc_disable_queues_msg(vf, msg);
|
|
break;
|
|
case VIRTCHNL_OP_ADD_ETH_ADDR:
|
|
ret = i40e_vc_add_mac_addr_msg(vf, msg);
|
|
break;
|
|
case VIRTCHNL_OP_DEL_ETH_ADDR:
|
|
ret = i40e_vc_del_mac_addr_msg(vf, msg);
|
|
break;
|
|
case VIRTCHNL_OP_ADD_VLAN:
|
|
ret = i40e_vc_add_vlan_msg(vf, msg);
|
|
break;
|
|
case VIRTCHNL_OP_DEL_VLAN:
|
|
ret = i40e_vc_remove_vlan_msg(vf, msg);
|
|
break;
|
|
case VIRTCHNL_OP_GET_STATS:
|
|
ret = i40e_vc_get_stats_msg(vf, msg);
|
|
break;
|
|
case VIRTCHNL_OP_IWARP:
|
|
ret = i40e_vc_iwarp_msg(vf, msg, msglen);
|
|
break;
|
|
case VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP:
|
|
ret = i40e_vc_iwarp_qvmap_msg(vf, msg, true);
|
|
break;
|
|
case VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP:
|
|
ret = i40e_vc_iwarp_qvmap_msg(vf, msg, false);
|
|
break;
|
|
case VIRTCHNL_OP_CONFIG_RSS_KEY:
|
|
ret = i40e_vc_config_rss_key(vf, msg);
|
|
break;
|
|
case VIRTCHNL_OP_CONFIG_RSS_LUT:
|
|
ret = i40e_vc_config_rss_lut(vf, msg);
|
|
break;
|
|
case VIRTCHNL_OP_GET_RSS_HENA_CAPS:
|
|
ret = i40e_vc_get_rss_hena(vf, msg);
|
|
break;
|
|
case VIRTCHNL_OP_SET_RSS_HENA:
|
|
ret = i40e_vc_set_rss_hena(vf, msg);
|
|
break;
|
|
case VIRTCHNL_OP_ENABLE_VLAN_STRIPPING:
|
|
ret = i40e_vc_enable_vlan_stripping(vf, msg);
|
|
break;
|
|
case VIRTCHNL_OP_DISABLE_VLAN_STRIPPING:
|
|
ret = i40e_vc_disable_vlan_stripping(vf, msg);
|
|
break;
|
|
case VIRTCHNL_OP_REQUEST_QUEUES:
|
|
ret = i40e_vc_request_queues_msg(vf, msg);
|
|
break;
|
|
case VIRTCHNL_OP_ENABLE_CHANNELS:
|
|
ret = i40e_vc_add_qch_msg(vf, msg);
|
|
break;
|
|
case VIRTCHNL_OP_DISABLE_CHANNELS:
|
|
ret = i40e_vc_del_qch_msg(vf, msg);
|
|
break;
|
|
case VIRTCHNL_OP_ADD_CLOUD_FILTER:
|
|
ret = i40e_vc_add_cloud_filter(vf, msg);
|
|
break;
|
|
case VIRTCHNL_OP_DEL_CLOUD_FILTER:
|
|
ret = i40e_vc_del_cloud_filter(vf, msg);
|
|
break;
|
|
case VIRTCHNL_OP_UNKNOWN:
|
|
default:
|
|
dev_err(&pf->pdev->dev, "Unsupported opcode %d from VF %d\n",
|
|
v_opcode, local_vf_id);
|
|
ret = i40e_vc_send_resp_to_vf(vf, v_opcode,
|
|
I40E_ERR_NOT_IMPLEMENTED);
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* i40e_vc_process_vflr_event
|
|
* @pf: pointer to the PF structure
|
|
*
|
|
* called from the vlfr irq handler to
|
|
* free up VF resources and state variables
|
|
**/
|
|
int i40e_vc_process_vflr_event(struct i40e_pf *pf)
|
|
{
|
|
struct i40e_hw *hw = &pf->hw;
|
|
u32 reg, reg_idx, bit_idx;
|
|
struct i40e_vf *vf;
|
|
int vf_id;
|
|
|
|
if (!test_bit(__I40E_VFLR_EVENT_PENDING, pf->state))
|
|
return 0;
|
|
|
|
/* Re-enable the VFLR interrupt cause here, before looking for which
|
|
* VF got reset. Otherwise, if another VF gets a reset while the
|
|
* first one is being processed, that interrupt will be lost, and
|
|
* that VF will be stuck in reset forever.
|
|
*/
|
|
reg = rd32(hw, I40E_PFINT_ICR0_ENA);
|
|
reg |= I40E_PFINT_ICR0_ENA_VFLR_MASK;
|
|
wr32(hw, I40E_PFINT_ICR0_ENA, reg);
|
|
i40e_flush(hw);
|
|
|
|
clear_bit(__I40E_VFLR_EVENT_PENDING, pf->state);
|
|
for (vf_id = 0; vf_id < pf->num_alloc_vfs; vf_id++) {
|
|
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 */
|
|
vf = &pf->vf[vf_id];
|
|
reg = rd32(hw, I40E_GLGEN_VFLRSTAT(reg_idx));
|
|
if (reg & BIT(bit_idx))
|
|
/* i40e_reset_vf will clear the bit in GLGEN_VFLRSTAT */
|
|
i40e_reset_vf(vf, true);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* i40e_validate_vf
|
|
* @pf: the physical function
|
|
* @vf_id: VF identifier
|
|
*
|
|
* Check that the VF is enabled and the VSI exists.
|
|
*
|
|
* Returns 0 on success, negative on failure
|
|
**/
|
|
static int i40e_validate_vf(struct i40e_pf *pf, int vf_id)
|
|
{
|
|
struct i40e_vsi *vsi;
|
|
struct i40e_vf *vf;
|
|
int ret = 0;
|
|
|
|
if (vf_id >= pf->num_alloc_vfs) {
|
|
dev_err(&pf->pdev->dev,
|
|
"Invalid VF Identifier %d\n", vf_id);
|
|
ret = -EINVAL;
|
|
goto err_out;
|
|
}
|
|
vf = &pf->vf[vf_id];
|
|
vsi = i40e_find_vsi_from_id(pf, vf->lan_vsi_id);
|
|
if (!vsi)
|
|
ret = -EINVAL;
|
|
err_out:
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* i40e_ndo_set_vf_mac
|
|
* @netdev: network interface device structure
|
|
* @vf_id: VF identifier
|
|
* @mac: mac address
|
|
*
|
|
* program VF mac address
|
|
**/
|
|
int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_vsi *vsi = np->vsi;
|
|
struct i40e_pf *pf = vsi->back;
|
|
struct i40e_mac_filter *f;
|
|
struct i40e_vf *vf;
|
|
int ret = 0;
|
|
struct hlist_node *h;
|
|
int bkt;
|
|
u8 i;
|
|
|
|
/* validate the request */
|
|
ret = i40e_validate_vf(pf, vf_id);
|
|
if (ret)
|
|
goto error_param;
|
|
|
|
vf = &pf->vf[vf_id];
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
|
|
|
/* When the VF is resetting wait until it is done.
|
|
* It can take up to 200 milliseconds,
|
|
* but wait for up to 300 milliseconds to be safe.
|
|
*/
|
|
for (i = 0; i < 15; i++) {
|
|
if (test_bit(I40E_VF_STATE_INIT, &vf->vf_states))
|
|
break;
|
|
msleep(20);
|
|
}
|
|
if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states)) {
|
|
dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
|
|
vf_id);
|
|
ret = -EAGAIN;
|
|
goto error_param;
|
|
}
|
|
|
|
if (is_multicast_ether_addr(mac)) {
|
|
dev_err(&pf->pdev->dev,
|
|
"Invalid Ethernet address %pM for VF %d\n", mac, vf_id);
|
|
ret = -EINVAL;
|
|
goto error_param;
|
|
}
|
|
|
|
/* Lock once because below invoked function add/del_filter requires
|
|
* mac_filter_hash_lock to be held
|
|
*/
|
|
spin_lock_bh(&vsi->mac_filter_hash_lock);
|
|
|
|
/* delete the temporary mac address */
|
|
if (!is_zero_ether_addr(vf->default_lan_addr.addr))
|
|
i40e_del_mac_filter(vsi, vf->default_lan_addr.addr);
|
|
|
|
/* Delete all the filters for this VSI - we're going to kill it
|
|
* anyway.
|
|
*/
|
|
hash_for_each_safe(vsi->mac_filter_hash, bkt, h, f, hlist)
|
|
__i40e_del_filter(vsi, f);
|
|
|
|
spin_unlock_bh(&vsi->mac_filter_hash_lock);
|
|
|
|
/* program mac filter */
|
|
if (i40e_sync_vsi_filters(vsi)) {
|
|
dev_err(&pf->pdev->dev, "Unable to program ucast filters\n");
|
|
ret = -EIO;
|
|
goto error_param;
|
|
}
|
|
ether_addr_copy(vf->default_lan_addr.addr, mac);
|
|
|
|
if (is_zero_ether_addr(mac)) {
|
|
vf->pf_set_mac = false;
|
|
dev_info(&pf->pdev->dev, "Removing MAC on VF %d\n", vf_id);
|
|
} else {
|
|
vf->pf_set_mac = true;
|
|
dev_info(&pf->pdev->dev, "Setting MAC %pM on VF %d\n",
|
|
mac, vf_id);
|
|
}
|
|
|
|
/* Force the VF interface down so it has to bring up with new MAC
|
|
* address
|
|
*/
|
|
i40e_vc_disable_vf(vf);
|
|
dev_info(&pf->pdev->dev, "Bring down and up the VF interface to make this change effective.\n");
|
|
|
|
error_param:
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* i40e_vsi_has_vlans - True if VSI has configured VLANs
|
|
* @vsi: pointer to the vsi
|
|
*
|
|
* Check if a VSI has configured any VLANs. False if we have a port VLAN or if
|
|
* we have no configured VLANs. Do not call while holding the
|
|
* mac_filter_hash_lock.
|
|
*/
|
|
static bool i40e_vsi_has_vlans(struct i40e_vsi *vsi)
|
|
{
|
|
bool have_vlans;
|
|
|
|
/* If we have a port VLAN, then the VSI cannot have any VLANs
|
|
* configured, as all MAC/VLAN filters will be assigned to the PVID.
|
|
*/
|
|
if (vsi->info.pvid)
|
|
return false;
|
|
|
|
/* Since we don't have a PVID, we know that if the device is in VLAN
|
|
* mode it must be because of a VLAN filter configured on this VSI.
|
|
*/
|
|
spin_lock_bh(&vsi->mac_filter_hash_lock);
|
|
have_vlans = i40e_is_vsi_in_vlan(vsi);
|
|
spin_unlock_bh(&vsi->mac_filter_hash_lock);
|
|
|
|
return have_vlans;
|
|
}
|
|
|
|
/**
|
|
* i40e_ndo_set_vf_port_vlan
|
|
* @netdev: network interface device structure
|
|
* @vf_id: VF identifier
|
|
* @vlan_id: mac address
|
|
* @qos: priority setting
|
|
* @vlan_proto: vlan protocol
|
|
*
|
|
* program VF vlan id and/or qos
|
|
**/
|
|
int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, int vf_id,
|
|
u16 vlan_id, u8 qos, __be16 vlan_proto)
|
|
{
|
|
u16 vlanprio = vlan_id | (qos << I40E_VLAN_PRIORITY_SHIFT);
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_pf *pf = np->vsi->back;
|
|
struct i40e_vsi *vsi;
|
|
struct i40e_vf *vf;
|
|
int ret = 0;
|
|
|
|
/* validate the request */
|
|
ret = i40e_validate_vf(pf, vf_id);
|
|
if (ret)
|
|
goto error_pvid;
|
|
|
|
if ((vlan_id > I40E_MAX_VLANID) || (qos > 7)) {
|
|
dev_err(&pf->pdev->dev, "Invalid VF Parameters\n");
|
|
ret = -EINVAL;
|
|
goto error_pvid;
|
|
}
|
|
|
|
if (vlan_proto != htons(ETH_P_8021Q)) {
|
|
dev_err(&pf->pdev->dev, "VF VLAN protocol is not supported\n");
|
|
ret = -EPROTONOSUPPORT;
|
|
goto error_pvid;
|
|
}
|
|
|
|
vf = &pf->vf[vf_id];
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
|
if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states)) {
|
|
dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
|
|
vf_id);
|
|
ret = -EAGAIN;
|
|
goto error_pvid;
|
|
}
|
|
|
|
if (le16_to_cpu(vsi->info.pvid) == vlanprio)
|
|
/* duplicate request, so just return success */
|
|
goto error_pvid;
|
|
|
|
if (i40e_vsi_has_vlans(vsi)) {
|
|
dev_err(&pf->pdev->dev,
|
|
"VF %d has already configured VLAN filters and the administrator is requesting a port VLAN override.\nPlease unload and reload the VF driver for this change to take effect.\n",
|
|
vf_id);
|
|
/* Administrator Error - knock the VF offline until he does
|
|
* the right thing by reconfiguring his network correctly
|
|
* and then reloading the VF driver.
|
|
*/
|
|
i40e_vc_disable_vf(vf);
|
|
/* During reset the VF got a new VSI, so refresh the pointer. */
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
|
}
|
|
|
|
/* Locked once because multiple functions below iterate list */
|
|
spin_lock_bh(&vsi->mac_filter_hash_lock);
|
|
|
|
/* Check for condition where there was already a port VLAN ID
|
|
* filter set and now it is being deleted by setting it to zero.
|
|
* Additionally check for the condition where there was a port
|
|
* VLAN but now there is a new and different port VLAN being set.
|
|
* Before deleting all the old VLAN filters we must add new ones
|
|
* with -1 (I40E_VLAN_ANY) or otherwise we're left with all our
|
|
* MAC addresses deleted.
|
|
*/
|
|
if ((!(vlan_id || qos) ||
|
|
vlanprio != le16_to_cpu(vsi->info.pvid)) &&
|
|
vsi->info.pvid) {
|
|
ret = i40e_add_vlan_all_mac(vsi, I40E_VLAN_ANY);
|
|
if (ret) {
|
|
dev_info(&vsi->back->pdev->dev,
|
|
"add VF VLAN failed, ret=%d aq_err=%d\n", ret,
|
|
vsi->back->hw.aq.asq_last_status);
|
|
spin_unlock_bh(&vsi->mac_filter_hash_lock);
|
|
goto error_pvid;
|
|
}
|
|
}
|
|
|
|
if (vsi->info.pvid) {
|
|
/* remove all filters on the old VLAN */
|
|
i40e_rm_vlan_all_mac(vsi, (le16_to_cpu(vsi->info.pvid) &
|
|
VLAN_VID_MASK));
|
|
}
|
|
|
|
spin_unlock_bh(&vsi->mac_filter_hash_lock);
|
|
if (vlan_id || qos)
|
|
ret = i40e_vsi_add_pvid(vsi, vlanprio);
|
|
else
|
|
i40e_vsi_remove_pvid(vsi);
|
|
spin_lock_bh(&vsi->mac_filter_hash_lock);
|
|
|
|
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 = i40e_add_vlan_all_mac(vsi, vlan_id);
|
|
if (ret) {
|
|
dev_info(&vsi->back->pdev->dev,
|
|
"add VF VLAN failed, ret=%d aq_err=%d\n", ret,
|
|
vsi->back->hw.aq.asq_last_status);
|
|
spin_unlock_bh(&vsi->mac_filter_hash_lock);
|
|
goto error_pvid;
|
|
}
|
|
|
|
/* remove the previously added non-VLAN MAC filters */
|
|
i40e_rm_vlan_all_mac(vsi, I40E_VLAN_ANY);
|
|
}
|
|
|
|
spin_unlock_bh(&vsi->mac_filter_hash_lock);
|
|
|
|
/* Schedule the worker thread to take care of applying changes */
|
|
i40e_service_event_schedule(vsi->back);
|
|
|
|
if (ret) {
|
|
dev_err(&pf->pdev->dev, "Unable to update VF vsi context\n");
|
|
goto error_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);
|
|
ret = 0;
|
|
|
|
error_pvid:
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* i40e_ndo_set_vf_bw
|
|
* @netdev: network interface device structure
|
|
* @vf_id: VF identifier
|
|
* @min_tx_rate: Minimum Tx rate
|
|
* @max_tx_rate: Maximum Tx rate
|
|
*
|
|
* configure VF Tx rate
|
|
**/
|
|
int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate,
|
|
int max_tx_rate)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_pf *pf = np->vsi->back;
|
|
struct i40e_vsi *vsi;
|
|
struct i40e_vf *vf;
|
|
int ret = 0;
|
|
|
|
/* validate the request */
|
|
ret = i40e_validate_vf(pf, vf_id);
|
|
if (ret)
|
|
goto error;
|
|
|
|
if (min_tx_rate) {
|
|
dev_err(&pf->pdev->dev, "Invalid min tx rate (%d) (greater than 0) specified for VF %d.\n",
|
|
min_tx_rate, vf_id);
|
|
return -EINVAL;
|
|
}
|
|
|
|
vf = &pf->vf[vf_id];
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
|
if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states)) {
|
|
dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
|
|
vf_id);
|
|
ret = -EAGAIN;
|
|
goto error;
|
|
}
|
|
|
|
ret = i40e_set_bw_limit(vsi, vsi->seid, max_tx_rate);
|
|
if (ret)
|
|
goto error;
|
|
|
|
vf->tx_rate = max_tx_rate;
|
|
error:
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* i40e_ndo_get_vf_config
|
|
* @netdev: network interface device structure
|
|
* @vf_id: VF identifier
|
|
* @ivi: VF configuration structure
|
|
*
|
|
* return VF configuration
|
|
**/
|
|
int i40e_ndo_get_vf_config(struct net_device *netdev,
|
|
int vf_id, struct ifla_vf_info *ivi)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_vsi *vsi = np->vsi;
|
|
struct i40e_pf *pf = vsi->back;
|
|
struct i40e_vf *vf;
|
|
int ret = 0;
|
|
|
|
/* validate the request */
|
|
ret = i40e_validate_vf(pf, vf_id);
|
|
if (ret)
|
|
goto error_param;
|
|
|
|
vf = &pf->vf[vf_id];
|
|
/* first vsi is always the LAN vsi */
|
|
vsi = pf->vsi[vf->lan_vsi_idx];
|
|
if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states)) {
|
|
dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
|
|
vf_id);
|
|
ret = -EAGAIN;
|
|
goto error_param;
|
|
}
|
|
|
|
ivi->vf = vf_id;
|
|
|
|
ether_addr_copy(ivi->mac, vf->default_lan_addr.addr);
|
|
|
|
ivi->max_tx_rate = vf->tx_rate;
|
|
ivi->min_tx_rate = 0;
|
|
ivi->vlan = le16_to_cpu(vsi->info.pvid) & I40E_VLAN_MASK;
|
|
ivi->qos = (le16_to_cpu(vsi->info.pvid) & I40E_PRIORITY_MASK) >>
|
|
I40E_VLAN_PRIORITY_SHIFT;
|
|
if (vf->link_forced == false)
|
|
ivi->linkstate = IFLA_VF_LINK_STATE_AUTO;
|
|
else if (vf->link_up == true)
|
|
ivi->linkstate = IFLA_VF_LINK_STATE_ENABLE;
|
|
else
|
|
ivi->linkstate = IFLA_VF_LINK_STATE_DISABLE;
|
|
ivi->spoofchk = vf->spoofchk;
|
|
ivi->trusted = vf->trusted;
|
|
ret = 0;
|
|
|
|
error_param:
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* i40e_ndo_set_vf_link_state
|
|
* @netdev: network interface device structure
|
|
* @vf_id: VF identifier
|
|
* @link: required link state
|
|
*
|
|
* Set the link state of a specified VF, regardless of physical link state
|
|
**/
|
|
int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_pf *pf = np->vsi->back;
|
|
struct virtchnl_pf_event pfe;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
struct i40e_vf *vf;
|
|
int abs_vf_id;
|
|
int ret = 0;
|
|
|
|
/* validate the request */
|
|
if (vf_id >= pf->num_alloc_vfs) {
|
|
dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
|
|
ret = -EINVAL;
|
|
goto error_out;
|
|
}
|
|
|
|
vf = &pf->vf[vf_id];
|
|
abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
|
|
|
|
pfe.event = VIRTCHNL_EVENT_LINK_CHANGE;
|
|
pfe.severity = PF_EVENT_SEVERITY_INFO;
|
|
|
|
switch (link) {
|
|
case IFLA_VF_LINK_STATE_AUTO:
|
|
vf->link_forced = false;
|
|
pfe.event_data.link_event.link_status =
|
|
pf->hw.phy.link_info.link_info & I40E_AQ_LINK_UP;
|
|
pfe.event_data.link_event.link_speed =
|
|
(enum virtchnl_link_speed)
|
|
pf->hw.phy.link_info.link_speed;
|
|
break;
|
|
case IFLA_VF_LINK_STATE_ENABLE:
|
|
vf->link_forced = true;
|
|
vf->link_up = true;
|
|
pfe.event_data.link_event.link_status = true;
|
|
pfe.event_data.link_event.link_speed = I40E_LINK_SPEED_40GB;
|
|
break;
|
|
case IFLA_VF_LINK_STATE_DISABLE:
|
|
vf->link_forced = true;
|
|
vf->link_up = false;
|
|
pfe.event_data.link_event.link_status = false;
|
|
pfe.event_data.link_event.link_speed = 0;
|
|
break;
|
|
default:
|
|
ret = -EINVAL;
|
|
goto error_out;
|
|
}
|
|
/* Notify the VF of its new link state */
|
|
i40e_aq_send_msg_to_vf(hw, abs_vf_id, VIRTCHNL_OP_EVENT,
|
|
0, (u8 *)&pfe, sizeof(pfe), NULL);
|
|
|
|
error_out:
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* i40e_ndo_set_vf_spoofchk
|
|
* @netdev: network interface device structure
|
|
* @vf_id: VF identifier
|
|
* @enable: flag to enable or disable feature
|
|
*
|
|
* Enable or disable VF spoof checking
|
|
**/
|
|
int i40e_ndo_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool enable)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_vsi *vsi = np->vsi;
|
|
struct i40e_pf *pf = vsi->back;
|
|
struct i40e_vsi_context ctxt;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
struct i40e_vf *vf;
|
|
int ret = 0;
|
|
|
|
/* validate the request */
|
|
if (vf_id >= pf->num_alloc_vfs) {
|
|
dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
|
|
ret = -EINVAL;
|
|
goto out;
|
|
}
|
|
|
|
vf = &(pf->vf[vf_id]);
|
|
if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states)) {
|
|
dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
|
|
vf_id);
|
|
ret = -EAGAIN;
|
|
goto out;
|
|
}
|
|
|
|
if (enable == vf->spoofchk)
|
|
goto out;
|
|
|
|
vf->spoofchk = enable;
|
|
memset(&ctxt, 0, sizeof(ctxt));
|
|
ctxt.seid = pf->vsi[vf->lan_vsi_idx]->seid;
|
|
ctxt.pf_num = pf->hw.pf_id;
|
|
ctxt.info.valid_sections = cpu_to_le16(I40E_AQ_VSI_PROP_SECURITY_VALID);
|
|
if (enable)
|
|
ctxt.info.sec_flags |= (I40E_AQ_VSI_SEC_FLAG_ENABLE_VLAN_CHK |
|
|
I40E_AQ_VSI_SEC_FLAG_ENABLE_MAC_CHK);
|
|
ret = i40e_aq_update_vsi_params(hw, &ctxt, NULL);
|
|
if (ret) {
|
|
dev_err(&pf->pdev->dev, "Error %d updating VSI parameters\n",
|
|
ret);
|
|
ret = -EIO;
|
|
}
|
|
out:
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* i40e_ndo_set_vf_trust
|
|
* @netdev: network interface device structure of the pf
|
|
* @vf_id: VF identifier
|
|
* @setting: trust setting
|
|
*
|
|
* Enable or disable VF trust setting
|
|
**/
|
|
int i40e_ndo_set_vf_trust(struct net_device *netdev, int vf_id, bool setting)
|
|
{
|
|
struct i40e_netdev_priv *np = netdev_priv(netdev);
|
|
struct i40e_pf *pf = np->vsi->back;
|
|
struct i40e_vf *vf;
|
|
int ret = 0;
|
|
|
|
/* validate the request */
|
|
if (vf_id >= pf->num_alloc_vfs) {
|
|
dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (pf->flags & I40E_FLAG_MFP_ENABLED) {
|
|
dev_err(&pf->pdev->dev, "Trusted VF not supported in MFP mode.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
vf = &pf->vf[vf_id];
|
|
|
|
if (setting == vf->trusted)
|
|
goto out;
|
|
|
|
vf->trusted = setting;
|
|
i40e_vc_disable_vf(vf);
|
|
dev_info(&pf->pdev->dev, "VF %u is now %strusted\n",
|
|
vf_id, setting ? "" : "un");
|
|
|
|
if (vf->adq_enabled) {
|
|
if (!vf->trusted) {
|
|
dev_info(&pf->pdev->dev,
|
|
"VF %u no longer Trusted, deleting all cloud filters\n",
|
|
vf_id);
|
|
i40e_del_all_cloud_filters(vf);
|
|
}
|
|
}
|
|
|
|
out:
|
|
return ret;
|
|
}
|