forked from Minki/linux
2336 lines
59 KiB
C
2336 lines
59 KiB
C
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/*******************************************************************************
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*
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* Intel Ethernet Controller XL710 Family Linux Driver
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* Copyright(c) 2013 Intel Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* The full GNU General Public License is included in this distribution in
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* the file called "COPYING".
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*
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* Contact Information:
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* e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*
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******************************************************************************/
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#include "i40e.h"
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/***********************misc routines*****************************/
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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, u8 vsi_id)
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{
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struct i40e_pf *pf = vf->pf;
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return pf->vsi[vsi_id]->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, u8 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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return qid < pf->vsi[vsi_id]->num_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_idx: index of VSI in PF struct
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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, u8 vsi_idx,
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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 = pf->vsi[vsi_idx];
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u16 pf_queue_id = I40E_QUEUE_END_OF_LIST;
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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_ctrl_vsi_tx_queue
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* @vf: pointer to the vf info
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* @vsi_idx: index of VSI in PF struct
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* @vsi_queue_id: vsi relative queue index
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* @ctrl: control flags
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*
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* enable/disable/enable check/disable check
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**/
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static int i40e_ctrl_vsi_tx_queue(struct i40e_vf *vf, u16 vsi_idx,
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u16 vsi_queue_id,
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enum i40e_queue_ctrl ctrl)
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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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bool writeback = false;
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u16 pf_queue_id;
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int ret = 0;
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u32 reg;
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pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_idx, vsi_queue_id);
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reg = rd32(hw, I40E_QTX_ENA(pf_queue_id));
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switch (ctrl) {
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case I40E_QUEUE_CTRL_ENABLE:
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reg |= I40E_QTX_ENA_QENA_REQ_MASK;
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writeback = true;
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break;
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case I40E_QUEUE_CTRL_ENABLECHECK:
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ret = (reg & I40E_QTX_ENA_QENA_STAT_MASK) ? 0 : -EPERM;
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break;
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case I40E_QUEUE_CTRL_DISABLE:
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reg &= ~I40E_QTX_ENA_QENA_REQ_MASK;
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writeback = true;
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break;
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case I40E_QUEUE_CTRL_DISABLECHECK:
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ret = (reg & I40E_QTX_ENA_QENA_STAT_MASK) ? -EPERM : 0;
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break;
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case I40E_QUEUE_CTRL_FASTDISABLE:
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reg |= I40E_QTX_ENA_FAST_QDIS_MASK;
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writeback = true;
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break;
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case I40E_QUEUE_CTRL_FASTDISABLECHECK:
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ret = (reg & I40E_QTX_ENA_QENA_STAT_MASK) ? -EPERM : 0;
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if (!ret) {
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reg &= ~I40E_QTX_ENA_FAST_QDIS_MASK;
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writeback = true;
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}
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break;
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default:
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ret = -EINVAL;
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break;
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}
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if (writeback) {
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wr32(hw, I40E_QTX_ENA(pf_queue_id), reg);
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i40e_flush(hw);
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}
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return ret;
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}
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/**
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* i40e_ctrl_vsi_rx_queue
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* @vf: pointer to the vf info
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* @vsi_idx: index of VSI in PF struct
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* @vsi_queue_id: vsi relative queue index
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* @ctrl: control flags
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*
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* enable/disable/enable check/disable check
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**/
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static int i40e_ctrl_vsi_rx_queue(struct i40e_vf *vf, u16 vsi_idx,
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u16 vsi_queue_id,
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enum i40e_queue_ctrl ctrl)
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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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bool writeback = false;
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u16 pf_queue_id;
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int ret = 0;
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u32 reg;
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pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_idx, vsi_queue_id);
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reg = rd32(hw, I40E_QRX_ENA(pf_queue_id));
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switch (ctrl) {
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case I40E_QUEUE_CTRL_ENABLE:
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reg |= I40E_QRX_ENA_QENA_REQ_MASK;
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writeback = true;
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break;
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case I40E_QUEUE_CTRL_ENABLECHECK:
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ret = (reg & I40E_QRX_ENA_QENA_STAT_MASK) ? 0 : -EPERM;
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break;
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case I40E_QUEUE_CTRL_DISABLE:
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reg &= ~I40E_QRX_ENA_QENA_REQ_MASK;
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writeback = true;
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break;
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case I40E_QUEUE_CTRL_DISABLECHECK:
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ret = (reg & I40E_QRX_ENA_QENA_STAT_MASK) ? -EPERM : 0;
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break;
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case I40E_QUEUE_CTRL_FASTDISABLE:
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reg |= I40E_QRX_ENA_FAST_QDIS_MASK;
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writeback = true;
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break;
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case I40E_QUEUE_CTRL_FASTDISABLECHECK:
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ret = (reg & I40E_QRX_ENA_QENA_STAT_MASK) ? -EPERM : 0;
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if (!ret) {
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reg &= ~I40E_QRX_ENA_FAST_QDIS_MASK;
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writeback = true;
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}
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break;
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default:
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ret = -EINVAL;
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break;
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}
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if (writeback) {
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wr32(hw, I40E_QRX_ENA(pf_queue_id), reg);
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i40e_flush(hw);
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}
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return ret;
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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_idx: index of VSI in PF struct
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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_idx,
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struct i40e_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;
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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)
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* vf->vf_id) + (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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vsi_queue_id = find_first_bit(&tempmap, I40E_MAX_VSI_QP);
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while (vsi_queue_id < I40E_MAX_VSI_QP) {
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linklistmap |= (1 <<
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(I40E_VIRTCHNL_SUPPORTED_QTYPES *
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vsi_queue_id));
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vsi_queue_id =
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find_next_bit(&tempmap, I40E_MAX_VSI_QP, vsi_queue_id + 1);
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}
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tempmap = vecmap->txq_map;
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vsi_queue_id = find_first_bit(&tempmap, I40E_MAX_VSI_QP);
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while (vsi_queue_id < I40E_MAX_VSI_QP) {
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linklistmap |= (1 <<
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(I40E_VIRTCHNL_SUPPORTED_QTYPES * vsi_queue_id
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+ 1));
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vsi_queue_id = find_next_bit(&tempmap, I40E_MAX_VSI_QP,
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vsi_queue_id + 1);
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}
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next_q = find_first_bit(&linklistmap,
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(I40E_MAX_VSI_QP *
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I40E_VIRTCHNL_SUPPORTED_QTYPES));
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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_vc_get_pf_queue_id(vf, vsi_idx, 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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|
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while (next_q < (I40E_MAX_VSI_QP * I40E_VIRTCHNL_SUPPORTED_QTYPES)) {
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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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|
|
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next_q = find_next_bit(&linklistmap,
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(I40E_MAX_VSI_QP *
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I40E_VIRTCHNL_SUPPORTED_QTYPES),
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next_q + 1);
|
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|
if (next_q < (I40E_MAX_VSI_QP * I40E_VIRTCHNL_SUPPORTED_QTYPES)) {
|
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|
vsi_queue_id = next_q / I40E_VIRTCHNL_SUPPORTED_QTYPES;
|
||
|
qtype = next_q % I40E_VIRTCHNL_SUPPORTED_QTYPES;
|
||
|
pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_idx,
|
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|
vsi_queue_id);
|
||
|
} else {
|
||
|
pf_queue_id = I40E_QUEUE_END_OF_LIST;
|
||
|
qtype = 0;
|
||
|
}
|
||
|
|
||
|
/* format for the RQCTL & TQCTL regs is same */
|
||
|
reg = (vector_id) |
|
||
|
(qtype << I40E_QINT_RQCTL_NEXTQ_TYPE_SHIFT) |
|
||
|
(pf_queue_id << I40E_QINT_RQCTL_NEXTQ_INDX_SHIFT) |
|
||
|
(1 << I40E_QINT_RQCTL_CAUSE_ENA_SHIFT) |
|
||
|
(itr_idx << I40E_QINT_RQCTL_ITR_INDX_SHIFT);
|
||
|
wr32(hw, reg_idx, reg);
|
||
|
}
|
||
|
|
||
|
irq_list_done:
|
||
|
i40e_flush(hw);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* i40e_config_vsi_tx_queue
|
||
|
* @vf: pointer to the vf info
|
||
|
* @vsi_idx: index of VSI in PF struct
|
||
|
* @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_idx,
|
||
|
u16 vsi_queue_id,
|
||
|
struct i40e_virtchnl_txq_info *info)
|
||
|
{
|
||
|
struct i40e_pf *pf = vf->pf;
|
||
|
struct i40e_hw *hw = &pf->hw;
|
||
|
struct i40e_hmc_obj_txq tx_ctx;
|
||
|
u16 pf_queue_id;
|
||
|
u32 qtx_ctl;
|
||
|
int ret = 0;
|
||
|
|
||
|
pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_idx, vsi_queue_id);
|
||
|
|
||
|
/* 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(pf->vsi[vsi_idx]->info.qs_handle[0]);
|
||
|
tx_ctx.rdylist_act = 0;
|
||
|
|
||
|
/* 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->hmc.hmc_fn_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_idx: index of VSI in PF struct
|
||
|
* @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_idx,
|
||
|
u16 vsi_queue_id,
|
||
|
struct i40e_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_idx, 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 splitalways mode 10b */
|
||
|
rx_ctx.dtype = 0x2;
|
||
|
}
|
||
|
|
||
|
/* 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.tphrdesc_ena = 1;
|
||
|
rx_ctx.tphwdesc_ena = 1;
|
||
|
rx_ctx.tphdata_ena = 1;
|
||
|
rx_ctx.tphhead_ena = 1;
|
||
|
rx_ctx.lrxqthresh = 2;
|
||
|
rx_ctx.crcstrip = 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
|
||
|
* @type: type of VSI to allocate
|
||
|
*
|
||
|
* alloc vf vsi context & resources
|
||
|
**/
|
||
|
static int i40e_alloc_vsi_res(struct i40e_vf *vf, enum i40e_vsi_type type)
|
||
|
{
|
||
|
struct i40e_mac_filter *f = NULL;
|
||
|
struct i40e_pf *pf = vf->pf;
|
||
|
struct i40e_hw *hw = &pf->hw;
|
||
|
struct i40e_vsi *vsi;
|
||
|
int ret = 0;
|
||
|
|
||
|
vsi = i40e_vsi_setup(pf, type, 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 (type == I40E_VSI_SRIOV) {
|
||
|
vf->lan_vsi_index = vsi->idx;
|
||
|
vf->lan_vsi_id = vsi->id;
|
||
|
dev_info(&pf->pdev->dev,
|
||
|
"LAN VSI index %d, VSI id %d\n",
|
||
|
vsi->idx, vsi->id);
|
||
|
f = i40e_add_filter(vsi, vf->default_lan_addr.addr,
|
||
|
0, true, false);
|
||
|
}
|
||
|
if (!f) {
|
||
|
dev_err(&pf->pdev->dev, "Unable to add ucast filter\n");
|
||
|
ret = -ENOMEM;
|
||
|
goto error_alloc_vsi_res;
|
||
|
}
|
||
|
|
||
|
/* program mac filter */
|
||
|
ret = i40e_sync_vsi_filters(vsi);
|
||
|
if (ret) {
|
||
|
dev_err(&pf->pdev->dev, "Unable to program ucast filters\n");
|
||
|
goto error_alloc_vsi_res;
|
||
|
}
|
||
|
|
||
|
/* accept bcast pkts. by default */
|
||
|
ret = i40e_aq_set_vsi_broadcast(hw, vsi->seid, true, NULL);
|
||
|
if (ret) {
|
||
|
dev_err(&pf->pdev->dev,
|
||
|
"set vsi bcast failed for vf %d, vsi %d, aq_err %d\n",
|
||
|
vf->vf_id, vsi->idx, pf->hw.aq.asq_last_status);
|
||
|
ret = -EINVAL;
|
||
|
}
|
||
|
|
||
|
error_alloc_vsi_res:
|
||
|
return ret;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* i40e_reset_vf
|
||
|
* @vf: pointer to the vf structure
|
||
|
* @flr: VFLR was issued or not
|
||
|
*
|
||
|
* reset the vf
|
||
|
**/
|
||
|
int i40e_reset_vf(struct i40e_vf *vf, bool flr)
|
||
|
{
|
||
|
int ret = -ENOENT;
|
||
|
struct i40e_pf *pf = vf->pf;
|
||
|
struct i40e_hw *hw = &pf->hw;
|
||
|
u32 reg, reg_idx, msix_vf;
|
||
|
bool rsd = false;
|
||
|
u16 pf_queue_id;
|
||
|
int i, j;
|
||
|
|
||
|
/* warn the VF */
|
||
|
wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), I40E_VFR_INPROGRESS);
|
||
|
|
||
|
clear_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states);
|
||
|
|
||
|
/* PF triggers VFR only when VF requests, in case of
|
||
|
* VFLR, HW triggers VFR
|
||
|
*/
|
||
|
if (!flr) {
|
||
|
/* reset vf using VPGEN_VFRTRIG reg */
|
||
|
reg = I40E_VPGEN_VFRTRIG_VFSWR_MASK;
|
||
|
wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg);
|
||
|
i40e_flush(hw);
|
||
|
}
|
||
|
|
||
|
/* poll VPGEN_VFRSTAT reg to make sure
|
||
|
* that reset is complete
|
||
|
*/
|
||
|
for (i = 0; i < 4; i++) {
|
||
|
/* vf reset requires driver to first reset the
|
||
|
* vf & than poll the status register to make sure
|
||
|
* that the requested op was completed
|
||
|
* successfully
|
||
|
*/
|
||
|
udelay(10);
|
||
|
reg = rd32(hw, I40E_VPGEN_VFRSTAT(vf->vf_id));
|
||
|
if (reg & I40E_VPGEN_VFRSTAT_VFRD_MASK) {
|
||
|
rsd = true;
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (!rsd)
|
||
|
dev_err(&pf->pdev->dev, "VF reset check timeout %d\n",
|
||
|
vf->vf_id);
|
||
|
|
||
|
/* fast disable qps */
|
||
|
for (j = 0; j < pf->vsi[vf->lan_vsi_index]->num_queue_pairs; j++) {
|
||
|
ret = i40e_ctrl_vsi_tx_queue(vf, vf->lan_vsi_index, j,
|
||
|
I40E_QUEUE_CTRL_FASTDISABLE);
|
||
|
ret = i40e_ctrl_vsi_rx_queue(vf, vf->lan_vsi_index, j,
|
||
|
I40E_QUEUE_CTRL_FASTDISABLE);
|
||
|
}
|
||
|
|
||
|
/* Queue enable/disable requires driver to
|
||
|
* first reset the vf & than poll the status register
|
||
|
* to make sure that the requested op was completed
|
||
|
* successfully
|
||
|
*/
|
||
|
udelay(10);
|
||
|
for (j = 0; j < pf->vsi[vf->lan_vsi_index]->num_queue_pairs; j++) {
|
||
|
ret = i40e_ctrl_vsi_tx_queue(vf, vf->lan_vsi_index, j,
|
||
|
I40E_QUEUE_CTRL_FASTDISABLECHECK);
|
||
|
if (ret)
|
||
|
dev_info(&pf->pdev->dev,
|
||
|
"Queue control check failed on Tx queue %d of VSI %d VF %d\n",
|
||
|
vf->lan_vsi_index, j, vf->vf_id);
|
||
|
ret = i40e_ctrl_vsi_rx_queue(vf, vf->lan_vsi_index, j,
|
||
|
I40E_QUEUE_CTRL_FASTDISABLECHECK);
|
||
|
if (ret)
|
||
|
dev_info(&pf->pdev->dev,
|
||
|
"Queue control check failed on Rx queue %d of VSI %d VF %d\n",
|
||
|
vf->lan_vsi_index, j, vf->vf_id);
|
||
|
}
|
||
|
|
||
|
/* clear the irq settings */
|
||
|
msix_vf = pf->hw.func_caps.num_msix_vectors_vf;
|
||
|
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);
|
||
|
}
|
||
|
/* 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);
|
||
|
}
|
||
|
|
||
|
/* set the defaults for the rqctl & tqctl registers */
|
||
|
reg = (I40E_QINT_RQCTL_NEXTQ_INDX_MASK | I40E_QINT_RQCTL_ITR_INDX_MASK |
|
||
|
I40E_QINT_RQCTL_NEXTQ_TYPE_MASK);
|
||
|
for (j = 0; j < pf->vsi[vf->lan_vsi_index]->num_queue_pairs; j++) {
|
||
|
pf_queue_id = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_index, j);
|
||
|
wr32(hw, I40E_QINT_RQCTL(pf_queue_id), reg);
|
||
|
wr32(hw, I40E_QINT_TQCTL(pf_queue_id), reg);
|
||
|
}
|
||
|
|
||
|
/* clear the reset bit in the 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);
|
||
|
/* tell the VF the reset is done */
|
||
|
wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), I40E_VFR_COMPLETED);
|
||
|
i40e_flush(hw);
|
||
|
|
||
|
return ret;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* 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, total_queue_pairs = 0;
|
||
|
int j;
|
||
|
|
||
|
/* 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
|
||
|
*/
|
||
|
wr32(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);
|
||
|
|
||
|
/* map PF queues to VF queues */
|
||
|
for (j = 0; j < pf->vsi[vf->lan_vsi_index]->num_queue_pairs; j++) {
|
||
|
u16 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_index, j);
|
||
|
reg = (qid & I40E_VPLAN_QTABLE_QINDEX_MASK);
|
||
|
wr32(hw, I40E_VPLAN_QTABLE(total_queue_pairs, vf->vf_id), reg);
|
||
|
total_queue_pairs++;
|
||
|
}
|
||
|
|
||
|
/* map PF queues to VSI */
|
||
|
for (j = 0; j < 7; j++) {
|
||
|
if (j * 2 >= pf->vsi[vf->lan_vsi_index]->num_queue_pairs) {
|
||
|
reg = 0x07FF07FF; /* unused */
|
||
|
} else {
|
||
|
u16 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_index,
|
||
|
j * 2);
|
||
|
reg = qid;
|
||
|
qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_index,
|
||
|
(j * 2) + 1);
|
||
|
reg |= qid << 16;
|
||
|
}
|
||
|
wr32(hw, I40E_VSILAN_QTABLE(j, vf->lan_vsi_id), reg);
|
||
|
}
|
||
|
|
||
|
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;
|
||
|
|
||
|
/* free vsi & disconnect it from the parent uplink */
|
||
|
if (vf->lan_vsi_index) {
|
||
|
i40e_vsi_release(pf->vsi[vf->lan_vsi_index]);
|
||
|
vf->lan_vsi_index = 0;
|
||
|
vf->lan_vsi_id = 0;
|
||
|
}
|
||
|
/* reset some of the state varibles keeping
|
||
|
* track of the resources
|
||
|
*/
|
||
|
vf->num_queue_pairs = 0;
|
||
|
vf->vf_states = 0;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* 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;
|
||
|
|
||
|
/* allocate hw vsi context & associated resources */
|
||
|
ret = i40e_alloc_vsi_res(vf, I40E_VSI_SRIOV);
|
||
|
if (ret)
|
||
|
goto error_alloc;
|
||
|
total_queue_pairs += pf->vsi[vf->lan_vsi_index]->num_queue_pairs;
|
||
|
set_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_STAT_INIT, &vf->vf_states);
|
||
|
|
||
|
error_alloc:
|
||
|
if (ret)
|
||
|
i40e_free_vf_res(vf);
|
||
|
|
||
|
return ret;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* i40e_vfs_are_assigned
|
||
|
* @pf: pointer to the pf structure
|
||
|
*
|
||
|
* Determine if any VFs are assigned to VMs
|
||
|
**/
|
||
|
static bool i40e_vfs_are_assigned(struct i40e_pf *pf)
|
||
|
{
|
||
|
struct pci_dev *pdev = pf->pdev;
|
||
|
struct pci_dev *vfdev;
|
||
|
|
||
|
/* loop through all the VFs to see if we own any that are assigned */
|
||
|
vfdev = pci_get_device(PCI_VENDOR_ID_INTEL, I40E_VF_DEVICE_ID , NULL);
|
||
|
while (vfdev) {
|
||
|
/* if we don't own it we don't care */
|
||
|
if (vfdev->is_virtfn && pci_physfn(vfdev) == pdev) {
|
||
|
/* if it is assigned we cannot release it */
|
||
|
if (vfdev->dev_flags & PCI_DEV_FLAGS_ASSIGNED)
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
vfdev = pci_get_device(PCI_VENDOR_ID_INTEL,
|
||
|
I40E_VF_DEVICE_ID,
|
||
|
vfdev);
|
||
|
}
|
||
|
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* 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;
|
||
|
int i;
|
||
|
|
||
|
if (!pf->vf)
|
||
|
return;
|
||
|
|
||
|
/* Disable interrupt 0 so we don't try to handle the VFLR. */
|
||
|
wr32(hw, I40E_PFINT_DYN_CTL0, 0);
|
||
|
i40e_flush(hw);
|
||
|
|
||
|
/* free up vf resources */
|
||
|
for (i = 0; i < pf->num_alloc_vfs; i++) {
|
||
|
if (test_bit(I40E_VF_STAT_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;
|
||
|
pf->num_alloc_vfs = 0;
|
||
|
|
||
|
if (!i40e_vfs_are_assigned(pf))
|
||
|
pci_disable_sriov(pf->pdev);
|
||
|
else
|
||
|
dev_warn(&pf->pdev->dev,
|
||
|
"unable to disable SR-IOV because VFs are assigned.\n");
|
||
|
|
||
|
/* Re-enable interrupt 0. */
|
||
|
wr32(hw, I40E_PFINT_DYN_CTL0,
|
||
|
I40E_PFINT_DYN_CTL0_INTENA_MASK |
|
||
|
I40E_PFINT_DYN_CTL0_CLEARPBA_MASK |
|
||
|
(I40E_ITR_NONE << I40E_PFINT_DYN_CTL0_ITR_INDX_SHIFT));
|
||
|
i40e_flush(hw);
|
||
|
}
|
||
|
|
||
|
#ifdef CONFIG_PCI_IOV
|
||
|
/**
|
||
|
* i40e_alloc_vfs
|
||
|
* @pf: pointer to the pf structure
|
||
|
* @num_alloc_vfs: number of vfs to allocate
|
||
|
*
|
||
|
* allocate vf resources
|
||
|
**/
|
||
|
static int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs)
|
||
|
{
|
||
|
struct i40e_vf *vfs;
|
||
|
int i, ret = 0;
|
||
|
|
||
|
ret = pci_enable_sriov(pf->pdev, num_alloc_vfs);
|
||
|
if (ret) {
|
||
|
dev_err(&pf->pdev->dev,
|
||
|
"pci_enable_sriov failed with error %d!\n", ret);
|
||
|
pf->num_alloc_vfs = 0;
|
||
|
goto err_iov;
|
||
|
}
|
||
|
|
||
|
/* allocate memory */
|
||
|
vfs = kzalloc(num_alloc_vfs * sizeof(struct i40e_vf), GFP_KERNEL);
|
||
|
if (!vfs) {
|
||
|
ret = -ENOMEM;
|
||
|
goto err_alloc;
|
||
|
}
|
||
|
|
||
|
/* 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);
|
||
|
|
||
|
ret = i40e_alloc_vf_res(&vfs[i]);
|
||
|
i40e_reset_vf(&vfs[i], true);
|
||
|
if (ret)
|
||
|
break;
|
||
|
|
||
|
/* enable vf vplan_qtable mappings */
|
||
|
i40e_enable_vf_mappings(&vfs[i]);
|
||
|
}
|
||
|
pf->vf = vfs;
|
||
|
pf->num_alloc_vfs = num_alloc_vfs;
|
||
|
|
||
|
err_alloc:
|
||
|
if (ret)
|
||
|
i40e_free_vfs(pf);
|
||
|
err_iov:
|
||
|
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;
|
||
|
|
||
|
dev_info(&pdev->dev, "Allocating %d VFs.\n", num_vfs);
|
||
|
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) {
|
||
|
err = -EPERM;
|
||
|
goto err_out;
|
||
|
}
|
||
|
|
||
|
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)
|
||
|
return i40e_pci_sriov_enable(pdev, num_vfs);
|
||
|
|
||
|
i40e_free_vfs(pf);
|
||
|
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 = vf->pf;
|
||
|
struct i40e_hw *hw = &pf->hw;
|
||
|
i40e_status aq_ret;
|
||
|
|
||
|
/* single place to detect unsuccessful return values */
|
||
|
if (v_retval) {
|
||
|
vf->num_invalid_msgs++;
|
||
|
dev_err(&pf->pdev->dev, "Failed opcode %d Error: %d\n",
|
||
|
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_STAT_DISABLED, &vf->vf_states);
|
||
|
}
|
||
|
} else {
|
||
|
vf->num_valid_msgs++;
|
||
|
}
|
||
|
|
||
|
aq_ret = i40e_aq_send_msg_to_vf(hw, vf->vf_id, v_opcode, v_retval,
|
||
|
msg, msglen, NULL);
|
||
|
if (aq_ret) {
|
||
|
dev_err(&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 i40e_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
|
||
|
*
|
||
|
* called from the vf to request the API version used by the PF
|
||
|
**/
|
||
|
static int i40e_vc_get_version_msg(struct i40e_vf *vf)
|
||
|
{
|
||
|
struct i40e_virtchnl_version_info info = {
|
||
|
I40E_VIRTCHNL_VERSION_MAJOR, I40E_VIRTCHNL_VERSION_MINOR
|
||
|
};
|
||
|
|
||
|
return i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_VERSION,
|
||
|
I40E_SUCCESS, (u8 *)&info,
|
||
|
sizeof(struct
|
||
|
i40e_virtchnl_version_info));
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* i40e_vc_get_vf_resources_msg
|
||
|
* @vf: pointer to the vf info
|
||
|
* @msg: pointer to the msg buffer
|
||
|
* @msglen: msg length
|
||
|
*
|
||
|
* called from the vf to request its resources
|
||
|
**/
|
||
|
static int i40e_vc_get_vf_resources_msg(struct i40e_vf *vf)
|
||
|
{
|
||
|
struct i40e_virtchnl_vf_resource *vfres = NULL;
|
||
|
struct i40e_pf *pf = vf->pf;
|
||
|
i40e_status aq_ret = 0;
|
||
|
struct i40e_vsi *vsi;
|
||
|
int i = 0, len = 0;
|
||
|
int num_vsis = 1;
|
||
|
int ret;
|
||
|
|
||
|
if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
|
||
|
aq_ret = I40E_ERR_PARAM;
|
||
|
goto err;
|
||
|
}
|
||
|
|
||
|
len = (sizeof(struct i40e_virtchnl_vf_resource) +
|
||
|
sizeof(struct i40e_virtchnl_vsi_resource) * num_vsis);
|
||
|
|
||
|
vfres = kzalloc(len, GFP_KERNEL);
|
||
|
if (!vfres) {
|
||
|
aq_ret = I40E_ERR_NO_MEMORY;
|
||
|
len = 0;
|
||
|
goto err;
|
||
|
}
|
||
|
|
||
|
vfres->vf_offload_flags = I40E_VIRTCHNL_VF_OFFLOAD_L2;
|
||
|
vsi = pf->vsi[vf->lan_vsi_index];
|
||
|
if (!vsi->info.pvid)
|
||
|
vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_VLAN;
|
||
|
|
||
|
vfres->num_vsis = num_vsis;
|
||
|
vfres->num_queue_pairs = vf->num_queue_pairs;
|
||
|
vfres->max_vectors = pf->hw.func_caps.num_msix_vectors_vf;
|
||
|
if (vf->lan_vsi_index) {
|
||
|
vfres->vsi_res[i].vsi_id = vf->lan_vsi_index;
|
||
|
vfres->vsi_res[i].vsi_type = I40E_VSI_SRIOV;
|
||
|
vfres->vsi_res[i].num_queue_pairs =
|
||
|
pf->vsi[vf->lan_vsi_index]->num_queue_pairs;
|
||
|
memcpy(vfres->vsi_res[i].default_mac_addr,
|
||
|
vf->default_lan_addr.addr, ETH_ALEN);
|
||
|
i++;
|
||
|
}
|
||
|
set_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states);
|
||
|
|
||
|
err:
|
||
|
/* send the response back to the vf */
|
||
|
ret = i40e_vc_send_msg_to_vf(vf, I40E_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
|
||
|
* @msg: pointer to the msg buffer
|
||
|
* @msglen: msg length
|
||
|
*
|
||
|
* called from the vf to reset itself,
|
||
|
* unlike other virtchnl messages, pf driver
|
||
|
* doesn't send the response back to the vf
|
||
|
**/
|
||
|
static int i40e_vc_reset_vf_msg(struct i40e_vf *vf)
|
||
|
{
|
||
|
if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states))
|
||
|
return -ENOENT;
|
||
|
|
||
|
return i40e_reset_vf(vf, false);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* i40e_vc_config_promiscuous_mode_msg
|
||
|
* @vf: pointer to the vf info
|
||
|
* @msg: pointer to the msg buffer
|
||
|
* @msglen: msg length
|
||
|
*
|
||
|
* 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, u16 msglen)
|
||
|
{
|
||
|
struct i40e_virtchnl_promisc_info *info =
|
||
|
(struct i40e_virtchnl_promisc_info *)msg;
|
||
|
struct i40e_pf *pf = vf->pf;
|
||
|
struct i40e_hw *hw = &pf->hw;
|
||
|
bool allmulti = false;
|
||
|
bool promisc = false;
|
||
|
i40e_status aq_ret;
|
||
|
|
||
|
if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
|
||
|
!test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) ||
|
||
|
!i40e_vc_isvalid_vsi_id(vf, info->vsi_id) ||
|
||
|
(pf->vsi[info->vsi_id]->type != I40E_VSI_FCOE)) {
|
||
|
aq_ret = I40E_ERR_PARAM;
|
||
|
goto error_param;
|
||
|
}
|
||
|
|
||
|
if (info->flags & I40E_FLAG_VF_UNICAST_PROMISC)
|
||
|
promisc = true;
|
||
|
aq_ret = i40e_aq_set_vsi_unicast_promiscuous(hw, info->vsi_id,
|
||
|
promisc, NULL);
|
||
|
if (aq_ret)
|
||
|
goto error_param;
|
||
|
|
||
|
if (info->flags & I40E_FLAG_VF_MULTICAST_PROMISC)
|
||
|
allmulti = true;
|
||
|
aq_ret = i40e_aq_set_vsi_multicast_promiscuous(hw, info->vsi_id,
|
||
|
allmulti, NULL);
|
||
|
|
||
|
error_param:
|
||
|
/* send the response to the vf */
|
||
|
return i40e_vc_send_resp_to_vf(vf,
|
||
|
I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE,
|
||
|
aq_ret);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* i40e_vc_config_queues_msg
|
||
|
* @vf: pointer to the vf info
|
||
|
* @msg: pointer to the msg buffer
|
||
|
* @msglen: msg length
|
||
|
*
|
||
|
* called from the vf to configure the rx/tx
|
||
|
* queues
|
||
|
**/
|
||
|
static int i40e_vc_config_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
|
||
|
{
|
||
|
struct i40e_virtchnl_vsi_queue_config_info *qci =
|
||
|
(struct i40e_virtchnl_vsi_queue_config_info *)msg;
|
||
|
struct i40e_virtchnl_queue_pair_info *qpi;
|
||
|
u16 vsi_id, vsi_queue_id;
|
||
|
i40e_status aq_ret = 0;
|
||
|
int i;
|
||
|
|
||
|
if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
|
||
|
aq_ret = I40E_ERR_PARAM;
|
||
|
goto error_param;
|
||
|
}
|
||
|
|
||
|
vsi_id = qci->vsi_id;
|
||
|
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];
|
||
|
vsi_queue_id = qpi->txq.queue_id;
|
||
|
if ((qpi->txq.vsi_id != vsi_id) ||
|
||
|
(qpi->rxq.vsi_id != vsi_id) ||
|
||
|
(qpi->rxq.queue_id != vsi_queue_id) ||
|
||
|
!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;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
error_param:
|
||
|
/* send the response to the vf */
|
||
|
return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES,
|
||
|
aq_ret);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* i40e_vc_config_irq_map_msg
|
||
|
* @vf: pointer to the vf info
|
||
|
* @msg: pointer to the msg buffer
|
||
|
* @msglen: msg length
|
||
|
*
|
||
|
* 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, u16 msglen)
|
||
|
{
|
||
|
struct i40e_virtchnl_irq_map_info *irqmap_info =
|
||
|
(struct i40e_virtchnl_irq_map_info *)msg;
|
||
|
struct i40e_virtchnl_vector_map *map;
|
||
|
u16 vsi_id, vsi_queue_id, vector_id;
|
||
|
i40e_status aq_ret = 0;
|
||
|
unsigned long tempmap;
|
||
|
int i;
|
||
|
|
||
|
if (!test_bit(I40E_VF_STAT_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;
|
||
|
}
|
||
|
|
||
|
/* lookout for the invalid queue index */
|
||
|
tempmap = map->rxq_map;
|
||
|
vsi_queue_id = find_first_bit(&tempmap, I40E_MAX_VSI_QP);
|
||
|
while (vsi_queue_id < I40E_MAX_VSI_QP) {
|
||
|
if (!i40e_vc_isvalid_queue_id(vf, vsi_id,
|
||
|
vsi_queue_id)) {
|
||
|
aq_ret = I40E_ERR_PARAM;
|
||
|
goto error_param;
|
||
|
}
|
||
|
vsi_queue_id = find_next_bit(&tempmap, I40E_MAX_VSI_QP,
|
||
|
vsi_queue_id + 1);
|
||
|
}
|
||
|
|
||
|
tempmap = map->txq_map;
|
||
|
vsi_queue_id = find_first_bit(&tempmap, I40E_MAX_VSI_QP);
|
||
|
while (vsi_queue_id < I40E_MAX_VSI_QP) {
|
||
|
if (!i40e_vc_isvalid_queue_id(vf, vsi_id,
|
||
|
vsi_queue_id)) {
|
||
|
aq_ret = I40E_ERR_PARAM;
|
||
|
goto error_param;
|
||
|
}
|
||
|
vsi_queue_id = find_next_bit(&tempmap, I40E_MAX_VSI_QP,
|
||
|
vsi_queue_id + 1);
|
||
|
}
|
||
|
|
||
|
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, I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP,
|
||
|
aq_ret);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* i40e_vc_enable_queues_msg
|
||
|
* @vf: pointer to the vf info
|
||
|
* @msg: pointer to the msg buffer
|
||
|
* @msglen: msg length
|
||
|
*
|
||
|
* called from the vf to enable all or specific queue(s)
|
||
|
**/
|
||
|
static int i40e_vc_enable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
|
||
|
{
|
||
|
struct i40e_virtchnl_queue_select *vqs =
|
||
|
(struct i40e_virtchnl_queue_select *)msg;
|
||
|
struct i40e_pf *pf = vf->pf;
|
||
|
u16 vsi_id = vqs->vsi_id;
|
||
|
i40e_status aq_ret = 0;
|
||
|
unsigned long tempmap;
|
||
|
u16 queue_id;
|
||
|
|
||
|
if (!test_bit(I40E_VF_STAT_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;
|
||
|
}
|
||
|
|
||
|
tempmap = vqs->rx_queues;
|
||
|
queue_id = find_first_bit(&tempmap, I40E_MAX_VSI_QP);
|
||
|
while (queue_id < I40E_MAX_VSI_QP) {
|
||
|
if (!i40e_vc_isvalid_queue_id(vf, vsi_id, queue_id)) {
|
||
|
aq_ret = I40E_ERR_PARAM;
|
||
|
goto error_param;
|
||
|
}
|
||
|
i40e_ctrl_vsi_rx_queue(vf, vsi_id, queue_id,
|
||
|
I40E_QUEUE_CTRL_ENABLE);
|
||
|
|
||
|
queue_id = find_next_bit(&tempmap, I40E_MAX_VSI_QP,
|
||
|
queue_id + 1);
|
||
|
}
|
||
|
|
||
|
tempmap = vqs->tx_queues;
|
||
|
queue_id = find_first_bit(&tempmap, I40E_MAX_VSI_QP);
|
||
|
while (queue_id < I40E_MAX_VSI_QP) {
|
||
|
if (!i40e_vc_isvalid_queue_id(vf, vsi_id, queue_id)) {
|
||
|
aq_ret = I40E_ERR_PARAM;
|
||
|
goto error_param;
|
||
|
}
|
||
|
i40e_ctrl_vsi_tx_queue(vf, vsi_id, queue_id,
|
||
|
I40E_QUEUE_CTRL_ENABLE);
|
||
|
|
||
|
queue_id = find_next_bit(&tempmap, I40E_MAX_VSI_QP,
|
||
|
queue_id + 1);
|
||
|
}
|
||
|
|
||
|
/* Poll the status register to make sure that the
|
||
|
* requested op was completed successfully
|
||
|
*/
|
||
|
udelay(10);
|
||
|
|
||
|
tempmap = vqs->rx_queues;
|
||
|
queue_id = find_first_bit(&tempmap, I40E_MAX_VSI_QP);
|
||
|
while (queue_id < I40E_MAX_VSI_QP) {
|
||
|
if (i40e_ctrl_vsi_rx_queue(vf, vsi_id, queue_id,
|
||
|
I40E_QUEUE_CTRL_ENABLECHECK)) {
|
||
|
dev_err(&pf->pdev->dev,
|
||
|
"Queue control check failed on RX queue %d of VSI %d VF %d\n",
|
||
|
queue_id, vsi_id, vf->vf_id);
|
||
|
}
|
||
|
queue_id = find_next_bit(&tempmap, I40E_MAX_VSI_QP,
|
||
|
queue_id + 1);
|
||
|
}
|
||
|
|
||
|
tempmap = vqs->tx_queues;
|
||
|
queue_id = find_first_bit(&tempmap, I40E_MAX_VSI_QP);
|
||
|
while (queue_id < I40E_MAX_VSI_QP) {
|
||
|
if (i40e_ctrl_vsi_tx_queue(vf, vsi_id, queue_id,
|
||
|
I40E_QUEUE_CTRL_ENABLECHECK)) {
|
||
|
dev_err(&pf->pdev->dev,
|
||
|
"Queue control check failed on TX queue %d of VSI %d VF %d\n",
|
||
|
queue_id, vsi_id, vf->vf_id);
|
||
|
}
|
||
|
queue_id = find_next_bit(&tempmap, I40E_MAX_VSI_QP,
|
||
|
queue_id + 1);
|
||
|
}
|
||
|
|
||
|
error_param:
|
||
|
/* send the response to the vf */
|
||
|
return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ENABLE_QUEUES,
|
||
|
aq_ret);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* i40e_vc_disable_queues_msg
|
||
|
* @vf: pointer to the vf info
|
||
|
* @msg: pointer to the msg buffer
|
||
|
* @msglen: msg length
|
||
|
*
|
||
|
* called from the vf to disable all or specific
|
||
|
* queue(s)
|
||
|
**/
|
||
|
static int i40e_vc_disable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
|
||
|
{
|
||
|
struct i40e_virtchnl_queue_select *vqs =
|
||
|
(struct i40e_virtchnl_queue_select *)msg;
|
||
|
struct i40e_pf *pf = vf->pf;
|
||
|
u16 vsi_id = vqs->vsi_id;
|
||
|
i40e_status aq_ret = 0;
|
||
|
unsigned long tempmap;
|
||
|
u16 queue_id;
|
||
|
|
||
|
if (!test_bit(I40E_VF_STAT_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;
|
||
|
}
|
||
|
|
||
|
tempmap = vqs->rx_queues;
|
||
|
queue_id = find_first_bit(&tempmap, I40E_MAX_VSI_QP);
|
||
|
while (queue_id < I40E_MAX_VSI_QP) {
|
||
|
if (!i40e_vc_isvalid_queue_id(vf, vsi_id, queue_id)) {
|
||
|
aq_ret = I40E_ERR_PARAM;
|
||
|
goto error_param;
|
||
|
}
|
||
|
i40e_ctrl_vsi_rx_queue(vf, vsi_id, queue_id,
|
||
|
I40E_QUEUE_CTRL_DISABLE);
|
||
|
|
||
|
queue_id = find_next_bit(&tempmap, I40E_MAX_VSI_QP,
|
||
|
queue_id + 1);
|
||
|
}
|
||
|
|
||
|
tempmap = vqs->tx_queues;
|
||
|
queue_id = find_first_bit(&tempmap, I40E_MAX_VSI_QP);
|
||
|
while (queue_id < I40E_MAX_VSI_QP) {
|
||
|
if (!i40e_vc_isvalid_queue_id(vf, vsi_id, queue_id)) {
|
||
|
aq_ret = I40E_ERR_PARAM;
|
||
|
goto error_param;
|
||
|
}
|
||
|
i40e_ctrl_vsi_tx_queue(vf, vsi_id, queue_id,
|
||
|
I40E_QUEUE_CTRL_DISABLE);
|
||
|
|
||
|
queue_id = find_next_bit(&tempmap, I40E_MAX_VSI_QP,
|
||
|
queue_id + 1);
|
||
|
}
|
||
|
|
||
|
/* Poll the status register to make sure that the
|
||
|
* requested op was completed successfully
|
||
|
*/
|
||
|
udelay(10);
|
||
|
|
||
|
tempmap = vqs->rx_queues;
|
||
|
queue_id = find_first_bit(&tempmap, I40E_MAX_VSI_QP);
|
||
|
while (queue_id < I40E_MAX_VSI_QP) {
|
||
|
if (i40e_ctrl_vsi_rx_queue(vf, vsi_id, queue_id,
|
||
|
I40E_QUEUE_CTRL_DISABLECHECK)) {
|
||
|
dev_err(&pf->pdev->dev,
|
||
|
"Queue control check failed on RX queue %d of VSI %d VF %d\n",
|
||
|
queue_id, vsi_id, vf->vf_id);
|
||
|
}
|
||
|
queue_id = find_next_bit(&tempmap, I40E_MAX_VSI_QP,
|
||
|
queue_id + 1);
|
||
|
}
|
||
|
|
||
|
tempmap = vqs->tx_queues;
|
||
|
queue_id = find_first_bit(&tempmap, I40E_MAX_VSI_QP);
|
||
|
while (queue_id < I40E_MAX_VSI_QP) {
|
||
|
if (i40e_ctrl_vsi_tx_queue(vf, vsi_id, queue_id,
|
||
|
I40E_QUEUE_CTRL_DISABLECHECK)) {
|
||
|
dev_err(&pf->pdev->dev,
|
||
|
"Queue control check failed on TX queue %d of VSI %d VF %d\n",
|
||
|
queue_id, vsi_id, vf->vf_id);
|
||
|
}
|
||
|
queue_id = find_next_bit(&tempmap, I40E_MAX_VSI_QP,
|
||
|
queue_id + 1);
|
||
|
}
|
||
|
|
||
|
error_param:
|
||
|
/* send the response to the vf */
|
||
|
return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DISABLE_QUEUES,
|
||
|
aq_ret);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* i40e_vc_get_stats_msg
|
||
|
* @vf: pointer to the vf info
|
||
|
* @msg: pointer to the msg buffer
|
||
|
* @msglen: msg length
|
||
|
*
|
||
|
* called from the vf to get vsi stats
|
||
|
**/
|
||
|
static int i40e_vc_get_stats_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
|
||
|
{
|
||
|
struct i40e_virtchnl_queue_select *vqs =
|
||
|
(struct i40e_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_STAT_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[vqs->vsi_id];
|
||
|
if (!vsi) {
|
||
|
aq_ret = I40E_ERR_PARAM;
|
||
|
goto error_param;
|
||
|
}
|
||
|
i40e_update_eth_stats(vsi);
|
||
|
memcpy(&stats, &vsi->eth_stats, sizeof(struct i40e_eth_stats));
|
||
|
|
||
|
error_param:
|
||
|
/* send the response back to the vf */
|
||
|
return i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_STATS, aq_ret,
|
||
|
(u8 *)&stats, sizeof(stats));
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* i40e_vc_add_mac_addr_msg
|
||
|
* @vf: pointer to the vf info
|
||
|
* @msg: pointer to the msg buffer
|
||
|
* @msglen: msg length
|
||
|
*
|
||
|
* add guest mac address filter
|
||
|
**/
|
||
|
static int i40e_vc_add_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
|
||
|
{
|
||
|
struct i40e_virtchnl_ether_addr_list *al =
|
||
|
(struct i40e_virtchnl_ether_addr_list *)msg;
|
||
|
struct i40e_pf *pf = vf->pf;
|
||
|
struct i40e_vsi *vsi = NULL;
|
||
|
u16 vsi_id = al->vsi_id;
|
||
|
i40e_status aq_ret = 0;
|
||
|
int i;
|
||
|
|
||
|
if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
|
||
|
!test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) ||
|
||
|
!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
|
||
|
aq_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 VF MAC addr %pMAC\n",
|
||
|
al->list[i].addr);
|
||
|
aq_ret = I40E_ERR_PARAM;
|
||
|
goto error_param;
|
||
|
}
|
||
|
}
|
||
|
vsi = pf->vsi[vsi_id];
|
||
|
|
||
|
/* 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, true, false);
|
||
|
if (f) {
|
||
|
if (i40e_is_vsi_in_vlan(vsi))
|
||
|
f = i40e_put_mac_in_vlan(vsi, al->list[i].addr,
|
||
|
true, false);
|
||
|
else
|
||
|
f = i40e_add_filter(vsi, al->list[i].addr, -1,
|
||
|
true, false);
|
||
|
}
|
||
|
|
||
|
if (!f) {
|
||
|
dev_err(&pf->pdev->dev,
|
||
|
"Unable to add VF MAC filter\n");
|
||
|
aq_ret = I40E_ERR_PARAM;
|
||
|
goto error_param;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/* program the updated filter list */
|
||
|
if (i40e_sync_vsi_filters(vsi))
|
||
|
dev_err(&pf->pdev->dev, "Unable to program VF MAC filters\n");
|
||
|
|
||
|
error_param:
|
||
|
/* send the response to the vf */
|
||
|
return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS,
|
||
|
aq_ret);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* i40e_vc_del_mac_addr_msg
|
||
|
* @vf: pointer to the vf info
|
||
|
* @msg: pointer to the msg buffer
|
||
|
* @msglen: msg length
|
||
|
*
|
||
|
* remove guest mac address filter
|
||
|
**/
|
||
|
static int i40e_vc_del_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
|
||
|
{
|
||
|
struct i40e_virtchnl_ether_addr_list *al =
|
||
|
(struct i40e_virtchnl_ether_addr_list *)msg;
|
||
|
struct i40e_pf *pf = vf->pf;
|
||
|
struct i40e_vsi *vsi = NULL;
|
||
|
u16 vsi_id = al->vsi_id;
|
||
|
i40e_status aq_ret = 0;
|
||
|
int i;
|
||
|
|
||
|
if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
|
||
|
!test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) ||
|
||
|
!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
|
||
|
aq_ret = I40E_ERR_PARAM;
|
||
|
goto error_param;
|
||
|
}
|
||
|
vsi = pf->vsi[vsi_id];
|
||
|
|
||
|
/* delete addresses from the list */
|
||
|
for (i = 0; i < al->num_elements; i++)
|
||
|
i40e_del_filter(vsi, al->list[i].addr,
|
||
|
I40E_VLAN_ANY, true, false);
|
||
|
|
||
|
/* program the updated filter list */
|
||
|
if (i40e_sync_vsi_filters(vsi))
|
||
|
dev_err(&pf->pdev->dev, "Unable to program VF MAC filters\n");
|
||
|
|
||
|
error_param:
|
||
|
/* send the response to the vf */
|
||
|
return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS,
|
||
|
aq_ret);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* i40e_vc_add_vlan_msg
|
||
|
* @vf: pointer to the vf info
|
||
|
* @msg: pointer to the msg buffer
|
||
|
* @msglen: msg length
|
||
|
*
|
||
|
* program guest vlan id
|
||
|
**/
|
||
|
static int i40e_vc_add_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
|
||
|
{
|
||
|
struct i40e_virtchnl_vlan_filter_list *vfl =
|
||
|
(struct i40e_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_STAT_ACTIVE, &vf->vf_states) ||
|
||
|
!test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) ||
|
||
|
!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[vsi_id];
|
||
|
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)
|
||
|
dev_err(&pf->pdev->dev,
|
||
|
"Unable to add VF vlan filter %d, error %d\n",
|
||
|
vfl->vlan_id[i], ret);
|
||
|
}
|
||
|
|
||
|
error_param:
|
||
|
/* send the response to the vf */
|
||
|
return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_VLAN, aq_ret);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* i40e_vc_remove_vlan_msg
|
||
|
* @vf: pointer to the vf info
|
||
|
* @msg: pointer to the msg buffer
|
||
|
* @msglen: msg length
|
||
|
*
|
||
|
* remove programmed guest vlan id
|
||
|
**/
|
||
|
static int i40e_vc_remove_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
|
||
|
{
|
||
|
struct i40e_virtchnl_vlan_filter_list *vfl =
|
||
|
(struct i40e_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_STAT_ACTIVE, &vf->vf_states) ||
|
||
|
!test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) ||
|
||
|
!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[vsi_id];
|
||
|
if (vsi->info.pvid) {
|
||
|
aq_ret = I40E_ERR_PARAM;
|
||
|
goto error_param;
|
||
|
}
|
||
|
|
||
|
for (i = 0; i < vfl->num_elements; i++) {
|
||
|
int ret = i40e_vsi_kill_vlan(vsi, vfl->vlan_id[i]);
|
||
|
if (ret)
|
||
|
dev_err(&pf->pdev->dev,
|
||
|
"Unable to delete VF vlan filter %d, error %d\n",
|
||
|
vfl->vlan_id[i], ret);
|
||
|
}
|
||
|
|
||
|
error_param:
|
||
|
/* send the response to the vf */
|
||
|
return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_VLAN, aq_ret);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* i40e_vc_fcoe_msg
|
||
|
* @vf: pointer to the vf info
|
||
|
* @msg: pointer to the msg buffer
|
||
|
* @msglen: msg length
|
||
|
*
|
||
|
* called from the vf for the fcoe msgs
|
||
|
**/
|
||
|
static int i40e_vc_fcoe_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
|
||
|
{
|
||
|
i40e_status aq_ret = 0;
|
||
|
|
||
|
if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
|
||
|
!test_bit(I40E_VF_STAT_FCOEENA, &vf->vf_states)) {
|
||
|
aq_ret = I40E_ERR_PARAM;
|
||
|
goto error_param;
|
||
|
}
|
||
|
aq_ret = I40E_ERR_NOT_IMPLEMENTED;
|
||
|
|
||
|
error_param:
|
||
|
/* send the response to the vf */
|
||
|
return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_FCOE, aq_ret);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* i40e_vc_validate_vf_msg
|
||
|
* @vf: pointer to the vf info
|
||
|
* @msg: pointer to the msg buffer
|
||
|
* @msglen: msg length
|
||
|
* @msghndl: msg handle
|
||
|
*
|
||
|
* validate msg
|
||
|
**/
|
||
|
static int i40e_vc_validate_vf_msg(struct i40e_vf *vf, u32 v_opcode,
|
||
|
u32 v_retval, u8 *msg, u16 msglen)
|
||
|
{
|
||
|
bool err_msg_format = false;
|
||
|
int valid_len;
|
||
|
|
||
|
/* Check if VF is disabled. */
|
||
|
if (test_bit(I40E_VF_STAT_DISABLED, &vf->vf_states))
|
||
|
return I40E_ERR_PARAM;
|
||
|
|
||
|
/* Validate message length. */
|
||
|
switch (v_opcode) {
|
||
|
case I40E_VIRTCHNL_OP_VERSION:
|
||
|
valid_len = sizeof(struct i40e_virtchnl_version_info);
|
||
|
break;
|
||
|
case I40E_VIRTCHNL_OP_RESET_VF:
|
||
|
case I40E_VIRTCHNL_OP_GET_VF_RESOURCES:
|
||
|
valid_len = 0;
|
||
|
break;
|
||
|
case I40E_VIRTCHNL_OP_CONFIG_TX_QUEUE:
|
||
|
valid_len = sizeof(struct i40e_virtchnl_txq_info);
|
||
|
break;
|
||
|
case I40E_VIRTCHNL_OP_CONFIG_RX_QUEUE:
|
||
|
valid_len = sizeof(struct i40e_virtchnl_rxq_info);
|
||
|
break;
|
||
|
case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES:
|
||
|
valid_len = sizeof(struct i40e_virtchnl_vsi_queue_config_info);
|
||
|
if (msglen >= valid_len) {
|
||
|
struct i40e_virtchnl_vsi_queue_config_info *vqc =
|
||
|
(struct i40e_virtchnl_vsi_queue_config_info *)msg;
|
||
|
valid_len += (vqc->num_queue_pairs *
|
||
|
sizeof(struct
|
||
|
i40e_virtchnl_queue_pair_info));
|
||
|
if (vqc->num_queue_pairs == 0)
|
||
|
err_msg_format = true;
|
||
|
}
|
||
|
break;
|
||
|
case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP:
|
||
|
valid_len = sizeof(struct i40e_virtchnl_irq_map_info);
|
||
|
if (msglen >= valid_len) {
|
||
|
struct i40e_virtchnl_irq_map_info *vimi =
|
||
|
(struct i40e_virtchnl_irq_map_info *)msg;
|
||
|
valid_len += (vimi->num_vectors *
|
||
|
sizeof(struct i40e_virtchnl_vector_map));
|
||
|
if (vimi->num_vectors == 0)
|
||
|
err_msg_format = true;
|
||
|
}
|
||
|
break;
|
||
|
case I40E_VIRTCHNL_OP_ENABLE_QUEUES:
|
||
|
case I40E_VIRTCHNL_OP_DISABLE_QUEUES:
|
||
|
valid_len = sizeof(struct i40e_virtchnl_queue_select);
|
||
|
break;
|
||
|
case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS:
|
||
|
case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS:
|
||
|
valid_len = sizeof(struct i40e_virtchnl_ether_addr_list);
|
||
|
if (msglen >= valid_len) {
|
||
|
struct i40e_virtchnl_ether_addr_list *veal =
|
||
|
(struct i40e_virtchnl_ether_addr_list *)msg;
|
||
|
valid_len += veal->num_elements *
|
||
|
sizeof(struct i40e_virtchnl_ether_addr);
|
||
|
if (veal->num_elements == 0)
|
||
|
err_msg_format = true;
|
||
|
}
|
||
|
break;
|
||
|
case I40E_VIRTCHNL_OP_ADD_VLAN:
|
||
|
case I40E_VIRTCHNL_OP_DEL_VLAN:
|
||
|
valid_len = sizeof(struct i40e_virtchnl_vlan_filter_list);
|
||
|
if (msglen >= valid_len) {
|
||
|
struct i40e_virtchnl_vlan_filter_list *vfl =
|
||
|
(struct i40e_virtchnl_vlan_filter_list *)msg;
|
||
|
valid_len += vfl->num_elements * sizeof(u16);
|
||
|
if (vfl->num_elements == 0)
|
||
|
err_msg_format = true;
|
||
|
}
|
||
|
break;
|
||
|
case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
|
||
|
valid_len = sizeof(struct i40e_virtchnl_promisc_info);
|
||
|
break;
|
||
|
case I40E_VIRTCHNL_OP_GET_STATS:
|
||
|
valid_len = sizeof(struct i40e_virtchnl_queue_select);
|
||
|
break;
|
||
|
/* These are always errors coming from the VF. */
|
||
|
case I40E_VIRTCHNL_OP_EVENT:
|
||
|
case I40E_VIRTCHNL_OP_UNKNOWN:
|
||
|
default:
|
||
|
return -EPERM;
|
||
|
break;
|
||
|
}
|
||
|
/* few more checks */
|
||
|
if ((valid_len != msglen) || (err_msg_format)) {
|
||
|
i40e_vc_send_resp_to_vf(vf, v_opcode, I40E_ERR_PARAM);
|
||
|
return -EINVAL;
|
||
|
} else {
|
||
|
return 0;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* i40e_vc_process_vf_msg
|
||
|
* @pf: pointer to the pf structure
|
||
|
* @vf_id: source vf id
|
||
|
* @msg: pointer to the msg buffer
|
||
|
* @msglen: msg length
|
||
|
* @msghndl: msg handle
|
||
|
*
|
||
|
* called from the common aeq/arq handler to
|
||
|
* process request from vf
|
||
|
**/
|
||
|
int i40e_vc_process_vf_msg(struct i40e_pf *pf, u16 vf_id, u32 v_opcode,
|
||
|
u32 v_retval, u8 *msg, u16 msglen)
|
||
|
{
|
||
|
struct i40e_vf *vf = &(pf->vf[vf_id]);
|
||
|
struct i40e_hw *hw = &pf->hw;
|
||
|
int ret;
|
||
|
|
||
|
pf->vf_aq_requests++;
|
||
|
/* perform basic checks on the msg */
|
||
|
ret = i40e_vc_validate_vf_msg(vf, v_opcode, v_retval, msg, msglen);
|
||
|
|
||
|
if (ret) {
|
||
|
dev_err(&pf->pdev->dev, "invalid message from vf %d\n", vf_id);
|
||
|
return ret;
|
||
|
}
|
||
|
wr32(hw, I40E_VFGEN_RSTAT1(vf_id), I40E_VFR_VFACTIVE);
|
||
|
switch (v_opcode) {
|
||
|
case I40E_VIRTCHNL_OP_VERSION:
|
||
|
ret = i40e_vc_get_version_msg(vf);
|
||
|
break;
|
||
|
case I40E_VIRTCHNL_OP_GET_VF_RESOURCES:
|
||
|
ret = i40e_vc_get_vf_resources_msg(vf);
|
||
|
break;
|
||
|
case I40E_VIRTCHNL_OP_RESET_VF:
|
||
|
ret = i40e_vc_reset_vf_msg(vf);
|
||
|
break;
|
||
|
case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
|
||
|
ret = i40e_vc_config_promiscuous_mode_msg(vf, msg, msglen);
|
||
|
break;
|
||
|
case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES:
|
||
|
ret = i40e_vc_config_queues_msg(vf, msg, msglen);
|
||
|
break;
|
||
|
case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP:
|
||
|
ret = i40e_vc_config_irq_map_msg(vf, msg, msglen);
|
||
|
break;
|
||
|
case I40E_VIRTCHNL_OP_ENABLE_QUEUES:
|
||
|
ret = i40e_vc_enable_queues_msg(vf, msg, msglen);
|
||
|
break;
|
||
|
case I40E_VIRTCHNL_OP_DISABLE_QUEUES:
|
||
|
ret = i40e_vc_disable_queues_msg(vf, msg, msglen);
|
||
|
break;
|
||
|
case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS:
|
||
|
ret = i40e_vc_add_mac_addr_msg(vf, msg, msglen);
|
||
|
break;
|
||
|
case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS:
|
||
|
ret = i40e_vc_del_mac_addr_msg(vf, msg, msglen);
|
||
|
break;
|
||
|
case I40E_VIRTCHNL_OP_ADD_VLAN:
|
||
|
ret = i40e_vc_add_vlan_msg(vf, msg, msglen);
|
||
|
break;
|
||
|
case I40E_VIRTCHNL_OP_DEL_VLAN:
|
||
|
ret = i40e_vc_remove_vlan_msg(vf, msg, msglen);
|
||
|
break;
|
||
|
case I40E_VIRTCHNL_OP_GET_STATS:
|
||
|
ret = i40e_vc_get_stats_msg(vf, msg, msglen);
|
||
|
break;
|
||
|
case I40E_VIRTCHNL_OP_FCOE:
|
||
|
ret = i40e_vc_fcoe_msg(vf, msg, msglen);
|
||
|
break;
|
||
|
case I40E_VIRTCHNL_OP_UNKNOWN:
|
||
|
default:
|
||
|
dev_err(&pf->pdev->dev,
|
||
|
"Unsupported opcode %d from vf %d\n", v_opcode, 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)
|
||
|
{
|
||
|
u32 reg, reg_idx, bit_idx, vf_id;
|
||
|
struct i40e_hw *hw = &pf->hw;
|
||
|
struct i40e_vf *vf;
|
||
|
|
||
|
if (!test_bit(__I40E_VFLR_EVENT_PENDING, &pf->state))
|
||
|
return 0;
|
||
|
|
||
|
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 & (1 << bit_idx)) {
|
||
|
/* clear the bit in GLGEN_VFLRSTAT */
|
||
|
wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), (1 << bit_idx));
|
||
|
|
||
|
if (i40e_reset_vf(vf, true))
|
||
|
dev_err(&pf->pdev->dev,
|
||
|
"Unable to reset the VF %d\n", vf_id);
|
||
|
/* free up vf resources to destroy vsi state */
|
||
|
i40e_free_vf_res(vf);
|
||
|
|
||
|
/* allocate new vf resources with the default state */
|
||
|
if (i40e_alloc_vf_res(vf))
|
||
|
dev_err(&pf->pdev->dev,
|
||
|
"Unable to allocate VF resources %d\n",
|
||
|
vf_id);
|
||
|
|
||
|
i40e_enable_vf_mappings(vf);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/* re-enable vflr interrupt cause */
|
||
|
reg = rd32(hw, I40E_PFINT_ICR0_ENA);
|
||
|
reg |= I40E_PFINT_ICR0_ENA_VFLR_MASK;
|
||
|
wr32(hw, I40E_PFINT_ICR0_ENA, reg);
|
||
|
i40e_flush(hw);
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* i40e_vc_vf_broadcast
|
||
|
* @pf: pointer to the pf structure
|
||
|
* @opcode: operation code
|
||
|
* @retval: return value
|
||
|
* @msg: pointer to the msg buffer
|
||
|
* @msglen: msg length
|
||
|
*
|
||
|
* send a message to all VFs on a given PF
|
||
|
**/
|
||
|
static void i40e_vc_vf_broadcast(struct i40e_pf *pf,
|
||
|
enum i40e_virtchnl_ops v_opcode,
|
||
|
i40e_status v_retval, u8 *msg,
|
||
|
u16 msglen)
|
||
|
{
|
||
|
struct i40e_hw *hw = &pf->hw;
|
||
|
struct i40e_vf *vf = pf->vf;
|
||
|
int i;
|
||
|
|
||
|
for (i = 0; i < pf->num_alloc_vfs; i++) {
|
||
|
/* Ignore return value on purpose - a given VF may fail, but
|
||
|
* we need to keep going and send to all of them
|
||
|
*/
|
||
|
i40e_aq_send_msg_to_vf(hw, vf->vf_id, v_opcode, v_retval,
|
||
|
msg, msglen, NULL);
|
||
|
vf++;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* i40e_vc_notify_link_state
|
||
|
* @pf: pointer to the pf structure
|
||
|
*
|
||
|
* send a link status message to all VFs on a given PF
|
||
|
**/
|
||
|
void i40e_vc_notify_link_state(struct i40e_pf *pf)
|
||
|
{
|
||
|
struct i40e_virtchnl_pf_event pfe;
|
||
|
|
||
|
pfe.event = I40E_VIRTCHNL_EVENT_LINK_CHANGE;
|
||
|
pfe.severity = I40E_PF_EVENT_SEVERITY_INFO;
|
||
|
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 = pf->hw.phy.link_info.link_speed;
|
||
|
|
||
|
i40e_vc_vf_broadcast(pf, I40E_VIRTCHNL_OP_EVENT, I40E_SUCCESS,
|
||
|
(u8 *)&pfe, sizeof(struct i40e_virtchnl_pf_event));
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* i40e_vc_notify_reset
|
||
|
* @pf: pointer to the pf structure
|
||
|
*
|
||
|
* indicate a pending reset to all VFs on a given PF
|
||
|
**/
|
||
|
void i40e_vc_notify_reset(struct i40e_pf *pf)
|
||
|
{
|
||
|
struct i40e_virtchnl_pf_event pfe;
|
||
|
|
||
|
pfe.event = I40E_VIRTCHNL_EVENT_RESET_IMPENDING;
|
||
|
pfe.severity = I40E_PF_EVENT_SEVERITY_CERTAIN_DOOM;
|
||
|
i40e_vc_vf_broadcast(pf, I40E_VIRTCHNL_OP_EVENT, I40E_SUCCESS,
|
||
|
(u8 *)&pfe, sizeof(struct i40e_virtchnl_pf_event));
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* i40e_vc_notify_vf_reset
|
||
|
* @vf: pointer to the vf structure
|
||
|
*
|
||
|
* indicate a pending reset to the given VF
|
||
|
**/
|
||
|
void i40e_vc_notify_vf_reset(struct i40e_vf *vf)
|
||
|
{
|
||
|
struct i40e_virtchnl_pf_event pfe;
|
||
|
|
||
|
pfe.event = I40E_VIRTCHNL_EVENT_RESET_IMPENDING;
|
||
|
pfe.severity = I40E_PF_EVENT_SEVERITY_CERTAIN_DOOM;
|
||
|
i40e_aq_send_msg_to_vf(&vf->pf->hw, vf->vf_id, I40E_VIRTCHNL_OP_EVENT,
|
||
|
I40E_SUCCESS, (u8 *)&pfe,
|
||
|
sizeof(struct i40e_virtchnl_pf_event), NULL);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* 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;
|
||
|
|
||
|
/* 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_param;
|
||
|
}
|
||
|
|
||
|
vf = &(pf->vf[vf_id]);
|
||
|
vsi = pf->vsi[vf->lan_vsi_index];
|
||
|
if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
|
||
|
dev_err(&pf->pdev->dev,
|
||
|
"Uninitialized VF %d\n", vf_id);
|
||
|
ret = -EINVAL;
|
||
|
goto error_param;
|
||
|
}
|
||
|
|
||
|
if (!is_valid_ether_addr(mac)) {
|
||
|
dev_err(&pf->pdev->dev,
|
||
|
"Invalid VF ethernet address\n");
|
||
|
ret = -EINVAL;
|
||
|
goto error_param;
|
||
|
}
|
||
|
|
||
|
/* delete the temporary mac address */
|
||
|
i40e_del_filter(vsi, vf->default_lan_addr.addr, 0, true, false);
|
||
|
|
||
|
/* add the new mac address */
|
||
|
f = i40e_add_filter(vsi, mac, 0, true, false);
|
||
|
if (!f) {
|
||
|
dev_err(&pf->pdev->dev,
|
||
|
"Unable to add VF ucast filter\n");
|
||
|
ret = -ENOMEM;
|
||
|
goto error_param;
|
||
|
}
|
||
|
|
||
|
dev_info(&pf->pdev->dev, "Setting MAC %pM on VF %d\n", mac, vf_id);
|
||
|
/* 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;
|
||
|
}
|
||
|
memcpy(vf->default_lan_addr.addr, mac, ETH_ALEN);
|
||
|
dev_info(&pf->pdev->dev, "Reload the VF driver to make this change effective.\n");
|
||
|
ret = 0;
|
||
|
|
||
|
error_param:
|
||
|
return ret;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* i40e_ndo_set_vf_port_vlan
|
||
|
* @netdev: network interface device structure
|
||
|
* @vf_id: vf identifier
|
||
|
* @vlan_id: mac address
|
||
|
* @qos: priority setting
|
||
|
*
|
||
|
* 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)
|
||
|
{
|
||
|
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 */
|
||
|
if (vf_id >= pf->num_alloc_vfs) {
|
||
|
dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
|
||
|
ret = -EINVAL;
|
||
|
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;
|
||
|
}
|
||
|
|
||
|
vf = &(pf->vf[vf_id]);
|
||
|
vsi = pf->vsi[vf->lan_vsi_index];
|
||
|
if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
|
||
|
dev_err(&pf->pdev->dev, "Uninitialized VF %d\n", vf_id);
|
||
|
ret = -EINVAL;
|
||
|
goto error_pvid;
|
||
|
}
|
||
|
|
||
|
if (vsi->info.pvid) {
|
||
|
/* kill old VLAN */
|
||
|
ret = i40e_vsi_kill_vlan(vsi, (le16_to_cpu(vsi->info.pvid) &
|
||
|
VLAN_VID_MASK));
|
||
|
if (ret) {
|
||
|
dev_info(&vsi->back->pdev->dev,
|
||
|
"remove VLAN failed, ret=%d, aq_err=%d\n",
|
||
|
ret, pf->hw.aq.asq_last_status);
|
||
|
}
|
||
|
}
|
||
|
if (vlan_id || qos)
|
||
|
ret = i40e_vsi_add_pvid(vsi,
|
||
|
vlan_id | (qos << I40E_VLAN_PRIORITY_SHIFT));
|
||
|
else
|
||
|
i40e_vlan_stripping_disable(vsi);
|
||
|
|
||
|
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 */
|
||
|
ret = i40e_vsi_add_vlan(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);
|
||
|
goto error_pvid;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (ret) {
|
||
|
dev_err(&pf->pdev->dev, "Unable to update VF vsi context\n");
|
||
|
goto error_pvid;
|
||
|
}
|
||
|
ret = 0;
|
||
|
|
||
|
error_pvid:
|
||
|
return ret;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* i40e_ndo_set_vf_bw
|
||
|
* @netdev: network interface device structure
|
||
|
* @vf_id: vf identifier
|
||
|
* @tx_rate: tx rate
|
||
|
*
|
||
|
* configure vf tx rate
|
||
|
**/
|
||
|
int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int tx_rate)
|
||
|
{
|
||
|
return -EOPNOTSUPP;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* 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_mac_filter *f, *ftmp;
|
||
|
struct i40e_vsi *vsi = np->vsi;
|
||
|
struct i40e_pf *pf = 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);
|
||
|
ret = -EINVAL;
|
||
|
goto error_param;
|
||
|
}
|
||
|
|
||
|
vf = &(pf->vf[vf_id]);
|
||
|
/* first vsi is always the LAN vsi */
|
||
|
vsi = pf->vsi[vf->lan_vsi_index];
|
||
|
if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
|
||
|
dev_err(&pf->pdev->dev, "Uninitialized VF %d\n", vf_id);
|
||
|
ret = -EINVAL;
|
||
|
goto error_param;
|
||
|
}
|
||
|
|
||
|
ivi->vf = vf_id;
|
||
|
|
||
|
/* first entry of the list is the default ethernet address */
|
||
|
list_for_each_entry_safe(f, ftmp, &vsi->mac_filter_list, list) {
|
||
|
memcpy(&ivi->mac, f->macaddr, I40E_ETH_LENGTH_OF_ADDRESS);
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
ivi->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;
|
||
|
ret = 0;
|
||
|
|
||
|
error_param:
|
||
|
return ret;
|
||
|
}
|