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cxgb4 : Add DCBx support codebase and dcbnl_ops
Signed-off-by: Anish Bhatt <anish@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Anish Bhatt
David S. Miller
parent
989594e2f2
commit
76bcb31efc
980
drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c
Normal file
980
drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c
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@ -0,0 +1,980 @@
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/*
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* Copyright (C) 2013-2014 Chelsio Communications. All rights reserved.
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*
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* Written by Anish Bhatt (anish@chelsio.com)
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* Casey Leedom (leedom@chelsio.com)
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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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* 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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*/
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#include "cxgb4.h"
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/* Initialize a port's Data Center Bridging state. Typically used after a
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* Link Down event.
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*/
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void cxgb4_dcb_state_init(struct net_device *dev)
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{
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struct port_info *pi = netdev2pinfo(dev);
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struct port_dcb_info *dcb = &pi->dcb;
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memset(dcb, 0, sizeof(struct port_dcb_info));
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dcb->state = CXGB4_DCB_STATE_START;
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}
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/* Finite State machine for Data Center Bridging.
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*/
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void cxgb4_dcb_state_fsm(struct net_device *dev,
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enum cxgb4_dcb_state_input input)
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{
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struct port_info *pi = netdev2pinfo(dev);
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struct port_dcb_info *dcb = &pi->dcb;
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struct adapter *adap = pi->adapter;
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switch (input) {
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case CXGB4_DCB_INPUT_FW_DISABLED: {
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/* Firmware tells us it's not doing DCB */
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switch (dcb->state) {
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case CXGB4_DCB_STATE_START: {
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/* we're going to use Host DCB */
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dcb->state = CXGB4_DCB_STATE_HOST;
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dcb->supported = CXGB4_DCBX_HOST_SUPPORT;
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dcb->enabled = 1;
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break;
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}
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case CXGB4_DCB_STATE_HOST: {
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/* we're alreaady in Host DCB mode */
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break;
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}
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default:
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goto bad_state_transition;
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}
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break;
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}
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case CXGB4_DCB_INPUT_FW_ENABLED: {
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/* Firmware tells us that it is doing DCB */
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switch (dcb->state) {
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case CXGB4_DCB_STATE_START: {
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/* we're going to use Firmware DCB */
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dcb->state = CXGB4_DCB_STATE_FW_INCOMPLETE;
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dcb->supported = CXGB4_DCBX_FW_SUPPORT;
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break;
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}
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case CXGB4_DCB_STATE_FW_INCOMPLETE:
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case CXGB4_DCB_STATE_FW_ALLSYNCED: {
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/* we're alreaady in firmware DCB mode */
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break;
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}
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default:
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goto bad_state_transition;
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}
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break;
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}
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case CXGB4_DCB_INPUT_FW_INCOMPLETE: {
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/* Firmware tells us that its DCB state is incomplete */
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switch (dcb->state) {
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case CXGB4_DCB_STATE_FW_INCOMPLETE: {
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/* we're already incomplete */
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break;
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}
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case CXGB4_DCB_STATE_FW_ALLSYNCED: {
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/* We were successfully running with firmware DCB but
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* now it's telling us that it's in an "incomplete
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* state. We need to reset back to a ground state
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* of incomplete.
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*/
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cxgb4_dcb_state_init(dev);
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dcb->state = CXGB4_DCB_STATE_FW_INCOMPLETE;
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dcb->supported = CXGB4_DCBX_FW_SUPPORT;
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linkwatch_fire_event(dev);
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break;
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}
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default:
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goto bad_state_transition;
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}
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break;
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}
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case CXGB4_DCB_INPUT_FW_ALLSYNCED: {
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/* Firmware tells us that its DCB state is complete */
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switch (dcb->state) {
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case CXGB4_DCB_STATE_FW_INCOMPLETE: {
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dcb->state = CXGB4_DCB_STATE_FW_ALLSYNCED;
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dcb->enabled = 1;
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linkwatch_fire_event(dev);
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break;
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}
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case CXGB4_DCB_STATE_FW_ALLSYNCED: {
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/* we're already all sync'ed */
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break;
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}
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default:
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goto bad_state_transition;
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}
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break;
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}
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default:
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goto bad_state_input;
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}
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return;
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bad_state_input:
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dev_err(adap->pdev_dev, "cxgb4_dcb_state_fsm: illegal input symbol %d\n",
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input);
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return;
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bad_state_transition:
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dev_err(adap->pdev_dev, "cxgb4_dcb_state_fsm: bad state transition, state = %d, input = %d\n",
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dcb->state, input);
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}
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/* Handle a DCB/DCBX update message from the firmware.
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*/
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void cxgb4_dcb_handle_fw_update(struct adapter *adap,
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const struct fw_port_cmd *pcmd)
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{
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const union fw_port_dcb *fwdcb = &pcmd->u.dcb;
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int port = FW_PORT_CMD_PORTID_GET(be32_to_cpu(pcmd->op_to_portid));
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struct net_device *dev = adap->port[port];
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struct port_info *pi = netdev_priv(dev);
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struct port_dcb_info *dcb = &pi->dcb;
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int dcb_type = pcmd->u.dcb.pgid.type;
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/* Handle Firmware DCB Control messages separately since they drive
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* our state machine.
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*/
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if (dcb_type == FW_PORT_DCB_TYPE_CONTROL) {
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enum cxgb4_dcb_state_input input =
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((pcmd->u.dcb.control.all_syncd_pkd &
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FW_PORT_CMD_ALL_SYNCD)
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? CXGB4_DCB_STATE_FW_ALLSYNCED
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: CXGB4_DCB_STATE_FW_INCOMPLETE);
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cxgb4_dcb_state_fsm(dev, input);
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return;
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}
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/* It's weird, and almost certainly an error, to get Firmware DCB
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* messages when we either haven't been told whether we're going to be
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* doing Host or Firmware DCB; and even worse when we've been told
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* that we're doing Host DCB!
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*/
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if (dcb->state == CXGB4_DCB_STATE_START ||
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dcb->state == CXGB4_DCB_STATE_HOST) {
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dev_err(adap->pdev_dev, "Receiving Firmware DCB messages in State %d\n",
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dcb->state);
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return;
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}
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/* Now handle the general Firmware DCB update messages ...
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*/
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switch (dcb_type) {
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case FW_PORT_DCB_TYPE_PGID:
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dcb->pgid = be32_to_cpu(fwdcb->pgid.pgid);
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dcb->msgs |= CXGB4_DCB_FW_PGID;
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break;
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case FW_PORT_DCB_TYPE_PGRATE:
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dcb->pg_num_tcs_supported = fwdcb->pgrate.num_tcs_supported;
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memcpy(dcb->pgrate, &fwdcb->pgrate.pgrate,
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sizeof(dcb->pgrate));
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dcb->msgs |= CXGB4_DCB_FW_PGRATE;
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break;
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case FW_PORT_DCB_TYPE_PRIORATE:
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memcpy(dcb->priorate, &fwdcb->priorate.strict_priorate,
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sizeof(dcb->priorate));
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dcb->msgs |= CXGB4_DCB_FW_PRIORATE;
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break;
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case FW_PORT_DCB_TYPE_PFC:
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dcb->pfcen = fwdcb->pfc.pfcen;
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dcb->pfc_num_tcs_supported = fwdcb->pfc.max_pfc_tcs;
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dcb->msgs |= CXGB4_DCB_FW_PFC;
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break;
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case FW_PORT_DCB_TYPE_APP_ID: {
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const struct fw_port_app_priority *fwap = &fwdcb->app_priority;
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int idx = fwap->idx;
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struct app_priority *ap = &dcb->app_priority[idx];
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struct dcb_app app = {
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.selector = fwap->sel_field,
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.protocol = be16_to_cpu(fwap->protocolid),
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.priority = fwap->user_prio_map,
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};
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int err;
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err = dcb_setapp(dev, &app);
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if (err)
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dev_err(adap->pdev_dev,
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"Failed DCB Set Application Priority: sel=%d, prot=%d, prio=%d, err=%d\n",
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app.selector, app.protocol, app.priority, -err);
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ap->user_prio_map = fwap->user_prio_map;
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ap->sel_field = fwap->sel_field;
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ap->protocolid = be16_to_cpu(fwap->protocolid);
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dcb->msgs |= CXGB4_DCB_FW_APP_ID;
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break;
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}
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default:
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dev_err(adap->pdev_dev, "Unknown DCB update type received %x\n",
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dcb_type);
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break;
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}
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}
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/* Data Center Bridging netlink operations.
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*/
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/* Get current DCB enabled/disabled state.
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*/
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static u8 cxgb4_getstate(struct net_device *dev)
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{
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struct port_info *pi = netdev2pinfo(dev);
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return pi->dcb.enabled;
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}
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/* Set DCB enabled/disabled.
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*/
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static u8 cxgb4_setstate(struct net_device *dev, u8 enabled)
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{
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struct port_info *pi = netdev2pinfo(dev);
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/* Firmware doesn't provide any mechanism to control the DCB state.
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*/
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if (enabled != (pi->dcb.state == CXGB4_DCB_STATE_FW_ALLSYNCED))
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return 1;
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return 0;
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}
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static void cxgb4_getpgtccfg(struct net_device *dev, int tc,
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u8 *prio_type, u8 *pgid, u8 *bw_per,
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u8 *up_tc_map, int local)
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{
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struct fw_port_cmd pcmd;
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struct port_info *pi = netdev2pinfo(dev);
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struct adapter *adap = pi->adapter;
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int err;
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*prio_type = *pgid = *bw_per = *up_tc_map = 0;
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if (local)
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INIT_PORT_DCB_READ_LOCAL_CMD(pcmd, pi->port_id);
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else
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INIT_PORT_DCB_READ_PEER_CMD(pcmd, pi->port_id);
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pcmd.u.dcb.pgid.type = FW_PORT_DCB_TYPE_PGID;
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err = t4_wr_mbox(adap, adap->mbox, &pcmd, sizeof(pcmd), &pcmd);
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if (err != FW_PORT_DCB_CFG_SUCCESS) {
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dev_err(adap->pdev_dev, "DCB read PGID failed with %d\n", -err);
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return;
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}
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*pgid = (be32_to_cpu(pcmd.u.dcb.pgid.pgid) >> (tc * 4)) & 0xf;
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INIT_PORT_DCB_READ_PEER_CMD(pcmd, pi->port_id);
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pcmd.u.dcb.pgrate.type = FW_PORT_DCB_TYPE_PGRATE;
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err = t4_wr_mbox(adap, adap->mbox, &pcmd, sizeof(pcmd), &pcmd);
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if (err != FW_PORT_DCB_CFG_SUCCESS) {
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dev_err(adap->pdev_dev, "DCB read PGRATE failed with %d\n",
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-err);
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return;
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}
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*bw_per = pcmd.u.dcb.pgrate.pgrate[*pgid];
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*up_tc_map = (1 << tc);
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/* prio_type is link strict */
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*prio_type = 0x2;
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}
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static void cxgb4_getpgtccfg_tx(struct net_device *dev, int tc,
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u8 *prio_type, u8 *pgid, u8 *bw_per,
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u8 *up_tc_map)
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{
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return cxgb4_getpgtccfg(dev, tc, prio_type, pgid, bw_per, up_tc_map, 1);
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}
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static void cxgb4_getpgtccfg_rx(struct net_device *dev, int tc,
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u8 *prio_type, u8 *pgid, u8 *bw_per,
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u8 *up_tc_map)
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{
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return cxgb4_getpgtccfg(dev, tc, prio_type, pgid, bw_per, up_tc_map, 0);
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}
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static void cxgb4_setpgtccfg_tx(struct net_device *dev, int tc,
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u8 prio_type, u8 pgid, u8 bw_per,
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u8 up_tc_map)
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{
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struct fw_port_cmd pcmd;
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struct port_info *pi = netdev2pinfo(dev);
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struct adapter *adap = pi->adapter;
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u32 _pgid;
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int err;
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if (pgid == DCB_ATTR_VALUE_UNDEFINED)
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return;
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if (bw_per == DCB_ATTR_VALUE_UNDEFINED)
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return;
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INIT_PORT_DCB_READ_LOCAL_CMD(pcmd, pi->port_id);
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pcmd.u.dcb.pgid.type = FW_PORT_DCB_TYPE_PGID;
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err = t4_wr_mbox(adap, adap->mbox, &pcmd, sizeof(pcmd), &pcmd);
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if (err != FW_PORT_DCB_CFG_SUCCESS) {
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dev_err(adap->pdev_dev, "DCB read PGID failed with %d\n", -err);
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return;
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}
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_pgid = be32_to_cpu(pcmd.u.dcb.pgid.pgid);
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_pgid &= ~(0xF << (tc * 4));
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_pgid |= pgid << (tc * 4);
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pcmd.u.dcb.pgid.pgid = cpu_to_be32(_pgid);
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INIT_PORT_DCB_WRITE_CMD(pcmd, pi->port_id);
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err = t4_wr_mbox(adap, adap->mbox, &pcmd, sizeof(pcmd), &pcmd);
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if (err != FW_PORT_DCB_CFG_SUCCESS) {
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dev_err(adap->pdev_dev, "DCB write PGID failed with %d\n",
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-err);
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return;
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}
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memset(&pcmd, 0, sizeof(struct fw_port_cmd));
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INIT_PORT_DCB_READ_LOCAL_CMD(pcmd, pi->port_id);
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pcmd.u.dcb.pgrate.type = FW_PORT_DCB_TYPE_PGRATE;
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err = t4_wr_mbox(adap, adap->mbox, &pcmd, sizeof(pcmd), &pcmd);
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if (err != FW_PORT_DCB_CFG_SUCCESS) {
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dev_err(adap->pdev_dev, "DCB read PGRATE failed with %d\n",
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-err);
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return;
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}
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pcmd.u.dcb.pgrate.pgrate[pgid] = bw_per;
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INIT_PORT_DCB_WRITE_CMD(pcmd, pi->port_id);
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if (pi->dcb.state == CXGB4_DCB_STATE_HOST)
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pcmd.op_to_portid |= cpu_to_be32(FW_PORT_CMD_APPLY);
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err = t4_wr_mbox(adap, adap->mbox, &pcmd, sizeof(pcmd), &pcmd);
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if (err != FW_PORT_DCB_CFG_SUCCESS)
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dev_err(adap->pdev_dev, "DCB write PGRATE failed with %d\n",
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-err);
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}
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static void cxgb4_getpgbwgcfg(struct net_device *dev, int pgid, u8 *bw_per,
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int local)
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{
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struct fw_port_cmd pcmd;
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struct port_info *pi = netdev2pinfo(dev);
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struct adapter *adap = pi->adapter;
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int err;
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if (local)
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INIT_PORT_DCB_READ_LOCAL_CMD(pcmd, pi->port_id);
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else
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INIT_PORT_DCB_READ_PEER_CMD(pcmd, pi->port_id);
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pcmd.u.dcb.pgrate.type = FW_PORT_DCB_TYPE_PGRATE;
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err = t4_wr_mbox(adap, adap->mbox, &pcmd, sizeof(pcmd), &pcmd);
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if (err != FW_PORT_DCB_CFG_SUCCESS) {
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dev_err(adap->pdev_dev, "DCB read PGRATE failed with %d\n",
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-err);
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} else {
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*bw_per = pcmd.u.dcb.pgrate.pgrate[pgid];
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}
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}
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static void cxgb4_getpgbwgcfg_tx(struct net_device *dev, int pgid, u8 *bw_per)
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{
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return cxgb4_getpgbwgcfg(dev, pgid, bw_per, 1);
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}
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static void cxgb4_getpgbwgcfg_rx(struct net_device *dev, int pgid, u8 *bw_per)
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{
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return cxgb4_getpgbwgcfg(dev, pgid, bw_per, 0);
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}
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static void cxgb4_setpgbwgcfg_tx(struct net_device *dev, int pgid,
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u8 bw_per)
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{
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struct fw_port_cmd pcmd;
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struct port_info *pi = netdev2pinfo(dev);
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struct adapter *adap = pi->adapter;
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int err;
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|
||||
INIT_PORT_DCB_READ_LOCAL_CMD(pcmd, pi->port_id);
|
||||
pcmd.u.dcb.pgrate.type = FW_PORT_DCB_TYPE_PGRATE;
|
||||
|
||||
err = t4_wr_mbox(adap, adap->mbox, &pcmd, sizeof(pcmd), &pcmd);
|
||||
if (err != FW_PORT_DCB_CFG_SUCCESS) {
|
||||
dev_err(adap->pdev_dev, "DCB read PGRATE failed with %d\n",
|
||||
-err);
|
||||
return;
|
||||
}
|
||||
|
||||
pcmd.u.dcb.pgrate.pgrate[pgid] = bw_per;
|
||||
|
||||
INIT_PORT_DCB_WRITE_CMD(pcmd, pi->port_id);
|
||||
if (pi->dcb.state == CXGB4_DCB_STATE_HOST)
|
||||
pcmd.op_to_portid |= cpu_to_be32(FW_PORT_CMD_APPLY);
|
||||
|
||||
err = t4_wr_mbox(adap, adap->mbox, &pcmd, sizeof(pcmd), &pcmd);
|
||||
|
||||
if (err != FW_PORT_DCB_CFG_SUCCESS)
|
||||
dev_err(adap->pdev_dev, "DCB write PGRATE failed with %d\n",
|
||||
-err);
|
||||
}
|
||||
|
||||
/* Return whether the specified Traffic Class Priority has Priority Pause
|
||||
* Frames enabled.
|
||||
*/
|
||||
static void cxgb4_getpfccfg(struct net_device *dev, int priority, u8 *pfccfg)
|
||||
{
|
||||
struct port_info *pi = netdev2pinfo(dev);
|
||||
struct port_dcb_info *dcb = &pi->dcb;
|
||||
|
||||
if (dcb->state != CXGB4_DCB_STATE_FW_ALLSYNCED ||
|
||||
priority >= CXGB4_MAX_PRIORITY)
|
||||
*pfccfg = 0;
|
||||
else
|
||||
*pfccfg = (pi->dcb.pfcen >> priority) & 1;
|
||||
}
|
||||
|
||||
/* Enable/disable Priority Pause Frames for the specified Traffic Class
|
||||
* Priority.
|
||||
*/
|
||||
static void cxgb4_setpfccfg(struct net_device *dev, int priority, u8 pfccfg)
|
||||
{
|
||||
struct fw_port_cmd pcmd;
|
||||
struct port_info *pi = netdev2pinfo(dev);
|
||||
struct adapter *adap = pi->adapter;
|
||||
int err;
|
||||
|
||||
if (pi->dcb.state != CXGB4_DCB_STATE_FW_ALLSYNCED ||
|
||||
priority >= CXGB4_MAX_PRIORITY)
|
||||
return;
|
||||
|
||||
INIT_PORT_DCB_WRITE_CMD(pcmd, pi->port_id);
|
||||
if (pi->dcb.state == CXGB4_DCB_STATE_HOST)
|
||||
pcmd.op_to_portid |= cpu_to_be32(FW_PORT_CMD_APPLY);
|
||||
|
||||
pcmd.u.dcb.pfc.type = FW_PORT_DCB_TYPE_PFC;
|
||||
pcmd.u.dcb.pfc.pfcen = cpu_to_be16(pi->dcb.pfcen);
|
||||
|
||||
if (pfccfg)
|
||||
pcmd.u.dcb.pfc.pfcen |= cpu_to_be16(1 << priority);
|
||||
else
|
||||
pcmd.u.dcb.pfc.pfcen &= cpu_to_be16(~(1 << priority));
|
||||
|
||||
err = t4_wr_mbox(adap, adap->mbox, &pcmd, sizeof(pcmd), &pcmd);
|
||||
if (err != FW_PORT_DCB_CFG_SUCCESS) {
|
||||
dev_err(adap->pdev_dev, "DCB PFC write failed with %d\n", -err);
|
||||
return;
|
||||
}
|
||||
|
||||
pi->dcb.pfcen = be16_to_cpu(pcmd.u.dcb.pfc.pfcen);
|
||||
}
|
||||
|
||||
static u8 cxgb4_setall(struct net_device *dev)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Return DCB capabilities.
|
||||
*/
|
||||
static u8 cxgb4_getcap(struct net_device *dev, int cap_id, u8 *caps)
|
||||
{
|
||||
struct port_info *pi = netdev2pinfo(dev);
|
||||
|
||||
switch (cap_id) {
|
||||
case DCB_CAP_ATTR_PG:
|
||||
case DCB_CAP_ATTR_PFC:
|
||||
*caps = true;
|
||||
break;
|
||||
|
||||
case DCB_CAP_ATTR_PG_TCS:
|
||||
/* 8 priorities for PG represented by bitmap */
|
||||
*caps = 0x80;
|
||||
break;
|
||||
|
||||
case DCB_CAP_ATTR_PFC_TCS:
|
||||
/* 8 priorities for PFC represented by bitmap */
|
||||
*caps = 0x80;
|
||||
break;
|
||||
|
||||
case DCB_CAP_ATTR_GSP:
|
||||
*caps = true;
|
||||
break;
|
||||
|
||||
case DCB_CAP_ATTR_UP2TC:
|
||||
case DCB_CAP_ATTR_BCN:
|
||||
*caps = false;
|
||||
break;
|
||||
|
||||
case DCB_CAP_ATTR_DCBX:
|
||||
*caps = pi->dcb.supported;
|
||||
break;
|
||||
|
||||
default:
|
||||
*caps = false;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Return the number of Traffic Classes for the indicated Traffic Class ID.
|
||||
*/
|
||||
static int cxgb4_getnumtcs(struct net_device *dev, int tcs_id, u8 *num)
|
||||
{
|
||||
struct port_info *pi = netdev2pinfo(dev);
|
||||
|
||||
switch (tcs_id) {
|
||||
case DCB_NUMTCS_ATTR_PG:
|
||||
if (pi->dcb.msgs & CXGB4_DCB_FW_PGRATE)
|
||||
*num = pi->dcb.pg_num_tcs_supported;
|
||||
else
|
||||
*num = 0x8;
|
||||
break;
|
||||
|
||||
case DCB_NUMTCS_ATTR_PFC:
|
||||
*num = 0x8;
|
||||
break;
|
||||
|
||||
default:
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Set the number of Traffic Classes supported for the indicated Traffic Class
|
||||
* ID.
|
||||
*/
|
||||
static int cxgb4_setnumtcs(struct net_device *dev, int tcs_id, u8 num)
|
||||
{
|
||||
/* Setting the number of Traffic Classes isn't supported.
|
||||
*/
|
||||
return -ENOSYS;
|
||||
}
|
||||
|
||||
/* Return whether Priority Flow Control is enabled. */
|
||||
static u8 cxgb4_getpfcstate(struct net_device *dev)
|
||||
{
|
||||
struct port_info *pi = netdev2pinfo(dev);
|
||||
|
||||
if (pi->dcb.state != CXGB4_DCB_STATE_FW_ALLSYNCED)
|
||||
return false;
|
||||
|
||||
return pi->dcb.pfcen != 0;
|
||||
}
|
||||
|
||||
/* Enable/disable Priority Flow Control. */
|
||||
static void cxgb4_setpfcstate(struct net_device *dev, u8 state)
|
||||
{
|
||||
/* We can't enable/disable Priority Flow Control but we also can't
|
||||
* return an error ...
|
||||
*/
|
||||
}
|
||||
|
||||
/* Return the Application User Priority Map associated with the specified
|
||||
* Application ID.
|
||||
*/
|
||||
static int __cxgb4_getapp(struct net_device *dev, u8 app_idtype, u16 app_id,
|
||||
int peer)
|
||||
{
|
||||
struct port_info *pi = netdev2pinfo(dev);
|
||||
struct adapter *adap = pi->adapter;
|
||||
int i;
|
||||
|
||||
if (pi->dcb.state != CXGB4_DCB_STATE_FW_ALLSYNCED)
|
||||
return 0;
|
||||
|
||||
for (i = 0; i < CXGB4_MAX_DCBX_APP_SUPPORTED; i++) {
|
||||
struct fw_port_cmd pcmd;
|
||||
int err;
|
||||
|
||||
if (peer)
|
||||
INIT_PORT_DCB_READ_PEER_CMD(pcmd, pi->port_id);
|
||||
else
|
||||
INIT_PORT_DCB_READ_LOCAL_CMD(pcmd, pi->port_id);
|
||||
|
||||
pcmd.u.dcb.app_priority.type = FW_PORT_DCB_TYPE_APP_ID;
|
||||
pcmd.u.dcb.app_priority.idx = i;
|
||||
|
||||
err = t4_wr_mbox(adap, adap->mbox, &pcmd, sizeof(pcmd), &pcmd);
|
||||
if (err != FW_PORT_DCB_CFG_SUCCESS) {
|
||||
dev_err(adap->pdev_dev, "DCB APP read failed with %d\n",
|
||||
-err);
|
||||
return err;
|
||||
}
|
||||
if (be16_to_cpu(pcmd.u.dcb.app_priority.protocolid) == app_id)
|
||||
return pcmd.u.dcb.app_priority.user_prio_map;
|
||||
|
||||
/* exhausted app list */
|
||||
if (!pcmd.u.dcb.app_priority.protocolid)
|
||||
break;
|
||||
}
|
||||
|
||||
return -EEXIST;
|
||||
}
|
||||
|
||||
/* Return the Application User Priority Map associated with the specified
|
||||
* Application ID. Since this routine is prototyped to return "u8" we can't
|
||||
* return errors ...
|
||||
*/
|
||||
static u8 cxgb4_getapp(struct net_device *dev, u8 app_idtype, u16 app_id)
|
||||
{
|
||||
int result = __cxgb4_getapp(dev, app_idtype, app_id, 0);
|
||||
|
||||
if (result < 0)
|
||||
result = 0;
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
/* Write a new Application User Priority Map for the specified Application ID.
|
||||
* This routine is prototyped to return "u8" but other instantiations of the
|
||||
* DCB NetLink Operations "setapp" routines return negative errnos for errors.
|
||||
* We follow their lead.
|
||||
*/
|
||||
static u8 cxgb4_setapp(struct net_device *dev, u8 app_idtype, u16 app_id,
|
||||
u8 app_prio)
|
||||
{
|
||||
struct fw_port_cmd pcmd;
|
||||
struct port_info *pi = netdev2pinfo(dev);
|
||||
struct adapter *adap = pi->adapter;
|
||||
int i, err;
|
||||
|
||||
|
||||
if (pi->dcb.state != CXGB4_DCB_STATE_FW_ALLSYNCED)
|
||||
return -EINVAL;
|
||||
|
||||
/* DCB info gets thrown away on link up */
|
||||
if (!netif_carrier_ok(dev))
|
||||
return -ENOLINK;
|
||||
|
||||
if (app_idtype != DCB_APP_IDTYPE_ETHTYPE &&
|
||||
app_idtype != DCB_APP_IDTYPE_PORTNUM)
|
||||
return -EINVAL;
|
||||
|
||||
for (i = 0; i < CXGB4_MAX_DCBX_APP_SUPPORTED; i++) {
|
||||
INIT_PORT_DCB_READ_LOCAL_CMD(pcmd, pi->port_id);
|
||||
pcmd.u.dcb.app_priority.type = FW_PORT_DCB_TYPE_APP_ID;
|
||||
pcmd.u.dcb.app_priority.idx = i;
|
||||
err = t4_wr_mbox(adap, adap->mbox, &pcmd, sizeof(pcmd), &pcmd);
|
||||
|
||||
if (err != FW_PORT_DCB_CFG_SUCCESS) {
|
||||
dev_err(adap->pdev_dev, "DCB app table read failed with %d\n",
|
||||
-err);
|
||||
return err;
|
||||
}
|
||||
if (be16_to_cpu(pcmd.u.dcb.app_priority.protocolid) == app_id) {
|
||||
/* overwrite existing app table */
|
||||
pcmd.u.dcb.app_priority.protocolid = 0;
|
||||
break;
|
||||
}
|
||||
/* find first empty slot */
|
||||
if (!pcmd.u.dcb.app_priority.protocolid)
|
||||
break;
|
||||
}
|
||||
|
||||
if (i == CXGB4_MAX_DCBX_APP_SUPPORTED) {
|
||||
/* no empty slots available */
|
||||
dev_err(adap->pdev_dev, "DCB app table full\n");
|
||||
return -EBUSY;
|
||||
}
|
||||
|
||||
/* write out new app table entry */
|
||||
INIT_PORT_DCB_WRITE_CMD(pcmd, pi->port_id);
|
||||
if (pi->dcb.state == CXGB4_DCB_STATE_HOST)
|
||||
pcmd.op_to_portid |= cpu_to_be32(FW_PORT_CMD_APPLY);
|
||||
|
||||
pcmd.u.dcb.app_priority.type = FW_PORT_DCB_TYPE_APP_ID;
|
||||
pcmd.u.dcb.app_priority.protocolid = cpu_to_be16(app_id);
|
||||
pcmd.u.dcb.app_priority.sel_field = app_idtype;
|
||||
pcmd.u.dcb.app_priority.user_prio_map = app_prio;
|
||||
pcmd.u.dcb.app_priority.idx = i;
|
||||
|
||||
err = t4_wr_mbox(adap, adap->mbox, &pcmd, sizeof(pcmd), &pcmd);
|
||||
if (err != FW_PORT_DCB_CFG_SUCCESS) {
|
||||
dev_err(adap->pdev_dev, "DCB app table write failed with %d\n",
|
||||
-err);
|
||||
return err;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Return whether IEEE Data Center Bridging has been negotiated.
|
||||
*/
|
||||
static inline int cxgb4_ieee_negotiation_complete(struct net_device *dev)
|
||||
{
|
||||
struct port_info *pi = netdev2pinfo(dev);
|
||||
struct port_dcb_info *dcb = &pi->dcb;
|
||||
|
||||
return (dcb->state == CXGB4_DCB_STATE_FW_ALLSYNCED &&
|
||||
(dcb->supported & DCB_CAP_DCBX_VER_IEEE));
|
||||
}
|
||||
|
||||
/* Fill in the Application User Priority Map associated with the
|
||||
* specified Application.
|
||||
*/
|
||||
static int cxgb4_ieee_getapp(struct net_device *dev, struct dcb_app *app)
|
||||
{
|
||||
int prio;
|
||||
|
||||
if (!cxgb4_ieee_negotiation_complete(dev))
|
||||
return -EINVAL;
|
||||
if (!(app->selector && app->protocol))
|
||||
return -EINVAL;
|
||||
|
||||
prio = dcb_getapp(dev, app);
|
||||
if (prio == 0) {
|
||||
/* If app doesn't exist in dcb_app table, try firmware
|
||||
* directly.
|
||||
*/
|
||||
prio = __cxgb4_getapp(dev, app->selector, app->protocol, 0);
|
||||
}
|
||||
|
||||
app->priority = prio;
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Write a new Application User Priority Map for the specified App id. */
|
||||
static int cxgb4_ieee_setapp(struct net_device *dev, struct dcb_app *app)
|
||||
{
|
||||
if (!cxgb4_ieee_negotiation_complete(dev))
|
||||
return -EINVAL;
|
||||
if (!(app->selector && app->protocol && app->priority))
|
||||
return -EINVAL;
|
||||
|
||||
cxgb4_setapp(dev, app->selector, app->protocol, app->priority);
|
||||
return dcb_setapp(dev, app);
|
||||
}
|
||||
|
||||
/* Return our DCBX parameters.
|
||||
*/
|
||||
static u8 cxgb4_getdcbx(struct net_device *dev)
|
||||
{
|
||||
struct port_info *pi = netdev2pinfo(dev);
|
||||
|
||||
/* This is already set by cxgb4_set_dcb_caps, so just return it */
|
||||
return pi->dcb.supported;
|
||||
}
|
||||
|
||||
/* Set our DCBX parameters.
|
||||
*/
|
||||
static u8 cxgb4_setdcbx(struct net_device *dev, u8 dcb_request)
|
||||
{
|
||||
struct port_info *pi = netdev2pinfo(dev);
|
||||
|
||||
/* Filter out requests which exceed our capabilities.
|
||||
*/
|
||||
if ((dcb_request & (CXGB4_DCBX_FW_SUPPORT | CXGB4_DCBX_HOST_SUPPORT))
|
||||
!= dcb_request)
|
||||
return 1;
|
||||
|
||||
/* Can't set DCBX capabilities if DCBX isn't enabled. */
|
||||
if (!pi->dcb.state)
|
||||
return 1;
|
||||
|
||||
/* There's currently no mechanism to allow for the firmware DCBX
|
||||
* negotiation to be changed from the Host Driver. If the caller
|
||||
* requests exactly the same parameters that we already have then
|
||||
* we'll allow them to be successfully "set" ...
|
||||
*/
|
||||
if (dcb_request != pi->dcb.supported)
|
||||
return 1;
|
||||
|
||||
pi->dcb.supported = dcb_request;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int cxgb4_getpeer_app(struct net_device *dev,
|
||||
struct dcb_peer_app_info *info, u16 *app_count)
|
||||
{
|
||||
struct fw_port_cmd pcmd;
|
||||
struct port_info *pi = netdev2pinfo(dev);
|
||||
struct adapter *adap = pi->adapter;
|
||||
int i, err = 0;
|
||||
|
||||
if (pi->dcb.state != CXGB4_DCB_STATE_FW_ALLSYNCED)
|
||||
return 1;
|
||||
|
||||
info->willing = 0;
|
||||
info->error = 0;
|
||||
|
||||
*app_count = 0;
|
||||
for (i = 0; i < CXGB4_MAX_DCBX_APP_SUPPORTED; i++) {
|
||||
INIT_PORT_DCB_READ_PEER_CMD(pcmd, pi->port_id);
|
||||
pcmd.u.dcb.app_priority.type = FW_PORT_DCB_TYPE_APP_ID;
|
||||
pcmd.u.dcb.app_priority.idx = *app_count;
|
||||
err = t4_wr_mbox(adap, adap->mbox, &pcmd, sizeof(pcmd), &pcmd);
|
||||
|
||||
if (err != FW_PORT_DCB_CFG_SUCCESS) {
|
||||
dev_err(adap->pdev_dev, "DCB app table read failed with %d\n",
|
||||
-err);
|
||||
return err;
|
||||
}
|
||||
|
||||
/* find first empty slot */
|
||||
if (!pcmd.u.dcb.app_priority.protocolid)
|
||||
break;
|
||||
}
|
||||
*app_count = i;
|
||||
return err;
|
||||
}
|
||||
|
||||
static int cxgb4_getpeerapp_tbl(struct net_device *dev, struct dcb_app *table)
|
||||
{
|
||||
struct fw_port_cmd pcmd;
|
||||
struct port_info *pi = netdev2pinfo(dev);
|
||||
struct adapter *adap = pi->adapter;
|
||||
int i, err = 0;
|
||||
|
||||
if (pi->dcb.state != CXGB4_DCB_STATE_FW_ALLSYNCED)
|
||||
return 1;
|
||||
|
||||
for (i = 0; i < CXGB4_MAX_DCBX_APP_SUPPORTED; i++) {
|
||||
INIT_PORT_DCB_READ_PEER_CMD(pcmd, pi->port_id);
|
||||
pcmd.u.dcb.app_priority.type = FW_PORT_DCB_TYPE_APP_ID;
|
||||
pcmd.u.dcb.app_priority.idx = i;
|
||||
err = t4_wr_mbox(adap, adap->mbox, &pcmd, sizeof(pcmd), &pcmd);
|
||||
|
||||
if (err != FW_PORT_DCB_CFG_SUCCESS) {
|
||||
dev_err(adap->pdev_dev, "DCB app table read failed with %d\n",
|
||||
-err);
|
||||
return err;
|
||||
}
|
||||
|
||||
/* find first empty slot */
|
||||
if (!pcmd.u.dcb.app_priority.protocolid)
|
||||
break;
|
||||
|
||||
table[i].selector = pcmd.u.dcb.app_priority.sel_field;
|
||||
table[i].protocol =
|
||||
be16_to_cpu(pcmd.u.dcb.app_priority.protocolid);
|
||||
table[i].priority = pcmd.u.dcb.app_priority.user_prio_map;
|
||||
}
|
||||
return err;
|
||||
}
|
||||
|
||||
/* Return Priority Group information.
|
||||
*/
|
||||
static int cxgb4_cee_peer_getpg(struct net_device *dev, struct cee_pg *pg)
|
||||
{
|
||||
struct fw_port_cmd pcmd;
|
||||
struct port_info *pi = netdev2pinfo(dev);
|
||||
struct adapter *adap = pi->adapter;
|
||||
u32 pgid;
|
||||
int i, err;
|
||||
|
||||
/* We're always "willing" -- the Switch Fabric always dictates the
|
||||
* DCBX parameters to us.
|
||||
*/
|
||||
pg->willing = true;
|
||||
|
||||
INIT_PORT_DCB_READ_PEER_CMD(pcmd, pi->port_id);
|
||||
pcmd.u.dcb.pgid.type = FW_PORT_DCB_TYPE_PGID;
|
||||
err = t4_wr_mbox(adap, adap->mbox, &pcmd, sizeof(pcmd), &pcmd);
|
||||
if (err != FW_PORT_DCB_CFG_SUCCESS) {
|
||||
dev_err(adap->pdev_dev, "DCB read PGID failed with %d\n", -err);
|
||||
return err;
|
||||
}
|
||||
pgid = be32_to_cpu(pcmd.u.dcb.pgid.pgid);
|
||||
|
||||
for (i = 0; i < CXGB4_MAX_PRIORITY; i++)
|
||||
pg->prio_pg[i] = (pgid >> (i * 4)) & 0xF;
|
||||
|
||||
INIT_PORT_DCB_READ_PEER_CMD(pcmd, pi->port_id);
|
||||
pcmd.u.dcb.pgrate.type = FW_PORT_DCB_TYPE_PGRATE;
|
||||
err = t4_wr_mbox(adap, adap->mbox, &pcmd, sizeof(pcmd), &pcmd);
|
||||
if (err != FW_PORT_DCB_CFG_SUCCESS) {
|
||||
dev_err(adap->pdev_dev, "DCB read PGRATE failed with %d\n",
|
||||
-err);
|
||||
return err;
|
||||
}
|
||||
|
||||
for (i = 0; i < CXGB4_MAX_PRIORITY; i++)
|
||||
pg->pg_bw[i] = pcmd.u.dcb.pgrate.pgrate[i];
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Return Priority Flow Control information.
|
||||
*/
|
||||
static int cxgb4_cee_peer_getpfc(struct net_device *dev, struct cee_pfc *pfc)
|
||||
{
|
||||
struct port_info *pi = netdev2pinfo(dev);
|
||||
|
||||
cxgb4_getnumtcs(dev, DCB_NUMTCS_ATTR_PFC, &(pfc->tcs_supported));
|
||||
pfc->pfc_en = pi->dcb.pfcen;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
const struct dcbnl_rtnl_ops cxgb4_dcb_ops = {
|
||||
.ieee_getapp = cxgb4_ieee_getapp,
|
||||
.ieee_setapp = cxgb4_ieee_setapp,
|
||||
|
||||
/* CEE std */
|
||||
.getstate = cxgb4_getstate,
|
||||
.setstate = cxgb4_setstate,
|
||||
.getpgtccfgtx = cxgb4_getpgtccfg_tx,
|
||||
.getpgbwgcfgtx = cxgb4_getpgbwgcfg_tx,
|
||||
.getpgtccfgrx = cxgb4_getpgtccfg_rx,
|
||||
.getpgbwgcfgrx = cxgb4_getpgbwgcfg_rx,
|
||||
.setpgtccfgtx = cxgb4_setpgtccfg_tx,
|
||||
.setpgbwgcfgtx = cxgb4_setpgbwgcfg_tx,
|
||||
.setpfccfg = cxgb4_setpfccfg,
|
||||
.getpfccfg = cxgb4_getpfccfg,
|
||||
.setall = cxgb4_setall,
|
||||
.getcap = cxgb4_getcap,
|
||||
.getnumtcs = cxgb4_getnumtcs,
|
||||
.setnumtcs = cxgb4_setnumtcs,
|
||||
.getpfcstate = cxgb4_getpfcstate,
|
||||
.setpfcstate = cxgb4_setpfcstate,
|
||||
.getapp = cxgb4_getapp,
|
||||
.setapp = cxgb4_setapp,
|
||||
|
||||
/* DCBX configuration */
|
||||
.getdcbx = cxgb4_getdcbx,
|
||||
.setdcbx = cxgb4_setdcbx,
|
||||
|
||||
/* peer apps */
|
||||
.peer_getappinfo = cxgb4_getpeer_app,
|
||||
.peer_getapptable = cxgb4_getpeerapp_tbl,
|
||||
|
||||
/* CEE peer */
|
||||
.cee_peer_getpg = cxgb4_cee_peer_getpg,
|
||||
.cee_peer_getpfc = cxgb4_cee_peer_getpfc,
|
||||
};
|
||||
141
drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.h
Normal file
141
drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.h
Normal file
@ -0,0 +1,141 @@
|
||||
/*
|
||||
* Copyright (C) 2013-2014 Chelsio Communications. All rights reserved.
|
||||
*
|
||||
* Written by Anish Bhatt (anish@chelsio.com)
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||||
* more details.
|
||||
*
|
||||
* The full GNU General Public License is included in this distribution in
|
||||
* the file called "COPYING".
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef __CXGB4_DCB_H
|
||||
#define __CXGB4_DCB_H
|
||||
|
||||
#include <linux/netdevice.h>
|
||||
#include <linux/dcbnl.h>
|
||||
#include <net/dcbnl.h>
|
||||
|
||||
#ifdef CONFIG_CHELSIO_T4_DCB
|
||||
|
||||
#define CXGB4_DCBX_FW_SUPPORT \
|
||||
(DCB_CAP_DCBX_VER_CEE | \
|
||||
DCB_CAP_DCBX_VER_IEEE | \
|
||||
DCB_CAP_DCBX_LLD_MANAGED)
|
||||
#define CXGB4_DCBX_HOST_SUPPORT \
|
||||
(DCB_CAP_DCBX_VER_CEE | \
|
||||
DCB_CAP_DCBX_VER_IEEE | \
|
||||
DCB_CAP_DCBX_HOST)
|
||||
|
||||
#define CXGB4_MAX_PRIORITY CXGB4_MAX_DCBX_APP_SUPPORTED
|
||||
#define CXGB4_MAX_TCS CXGB4_MAX_DCBX_APP_SUPPORTED
|
||||
|
||||
#define INIT_PORT_DCB_CMD(__pcmd, __port, __op, __action) \
|
||||
do { \
|
||||
memset(&(__pcmd), 0, sizeof(__pcmd)); \
|
||||
(__pcmd).op_to_portid = \
|
||||
cpu_to_be32(FW_CMD_OP(FW_PORT_CMD) | \
|
||||
FW_CMD_REQUEST | \
|
||||
FW_CMD_##__op | \
|
||||
FW_PORT_CMD_PORTID(__port)); \
|
||||
(__pcmd).action_to_len16 = \
|
||||
cpu_to_be32(FW_PORT_CMD_ACTION(__action) | \
|
||||
FW_LEN16(pcmd)); \
|
||||
} while (0)
|
||||
|
||||
#define INIT_PORT_DCB_READ_PEER_CMD(__pcmd, __port) \
|
||||
INIT_PORT_DCB_CMD(__pcmd, __port, READ, FW_PORT_ACTION_DCB_READ_RECV)
|
||||
|
||||
#define INIT_PORT_DCB_READ_LOCAL_CMD(__pcmd, __port) \
|
||||
INIT_PORT_DCB_CMD(__pcmd, __port, READ, FW_PORT_ACTION_DCB_READ_TRANS)
|
||||
|
||||
#define INIT_PORT_DCB_READ_SYNC_CMD(__pcmd, __port) \
|
||||
INIT_PORT_DCB_CMD(__pcmd, __port, READ, FW_PORT_ACTION_DCB_READ_DET)
|
||||
|
||||
#define INIT_PORT_DCB_WRITE_CMD(__pcmd, __port) \
|
||||
INIT_PORT_DCB_CMD(__pcmd, __port, EXEC, FW_PORT_ACTION_L2_DCB_CFG)
|
||||
|
||||
/* States we can be in for a port's Data Center Bridging.
|
||||
*/
|
||||
enum cxgb4_dcb_state {
|
||||
CXGB4_DCB_STATE_START, /* initial unknown state */
|
||||
CXGB4_DCB_STATE_HOST, /* we're using Host DCB (if at all) */
|
||||
CXGB4_DCB_STATE_FW_INCOMPLETE, /* using firmware DCB, incomplete */
|
||||
CXGB4_DCB_STATE_FW_ALLSYNCED, /* using firmware DCB, all sync'ed */
|
||||
};
|
||||
|
||||
/* Data Center Bridging state input for the Finite State Machine.
|
||||
*/
|
||||
enum cxgb4_dcb_state_input {
|
||||
/* Input from the firmware.
|
||||
*/
|
||||
CXGB4_DCB_INPUT_FW_DISABLED, /* firmware DCB disabled */
|
||||
CXGB4_DCB_INPUT_FW_ENABLED, /* firmware DCB enabled */
|
||||
CXGB4_DCB_INPUT_FW_INCOMPLETE, /* firmware reports incomplete DCB */
|
||||
CXGB4_DCB_INPUT_FW_ALLSYNCED, /* firmware reports all sync'ed */
|
||||
|
||||
};
|
||||
|
||||
/* Firmware DCB messages that we've received so far ...
|
||||
*/
|
||||
enum cxgb4_dcb_fw_msgs {
|
||||
CXGB4_DCB_FW_PGID = 0x01,
|
||||
CXGB4_DCB_FW_PGRATE = 0x02,
|
||||
CXGB4_DCB_FW_PRIORATE = 0x04,
|
||||
CXGB4_DCB_FW_PFC = 0x08,
|
||||
CXGB4_DCB_FW_APP_ID = 0x10,
|
||||
};
|
||||
|
||||
#define CXGB4_MAX_DCBX_APP_SUPPORTED 8
|
||||
|
||||
/* Data Center Bridging support;
|
||||
*/
|
||||
struct port_dcb_info {
|
||||
enum cxgb4_dcb_state state; /* DCB State Machine */
|
||||
enum cxgb4_dcb_fw_msgs msgs; /* DCB Firmware messages received */
|
||||
unsigned int supported; /* OS DCB capabilities supported */
|
||||
bool enabled; /* OS Enabled state */
|
||||
|
||||
/* Cached copies of DCB information sent by the firmware (in Host
|
||||
* Native Endian format).
|
||||
*/
|
||||
u32 pgid; /* Priority Group[0..7] */
|
||||
u8 pfcen; /* Priority Flow Control[0..7] */
|
||||
u8 pg_num_tcs_supported; /* max PG Traffic Classes */
|
||||
u8 pfc_num_tcs_supported; /* max PFC Traffic Classes */
|
||||
u8 pgrate[8]; /* Priority Group Rate[0..7] */
|
||||
u8 priorate[8]; /* Priority Rate[0..7] */
|
||||
struct app_priority { /* Application Information */
|
||||
u8 user_prio_map; /* Priority Map bitfield */
|
||||
u8 sel_field; /* Protocol ID interpretation */
|
||||
u16 protocolid; /* Protocol ID */
|
||||
} app_priority[CXGB4_MAX_DCBX_APP_SUPPORTED];
|
||||
};
|
||||
|
||||
void cxgb4_dcb_state_init(struct net_device *);
|
||||
void cxgb4_dcb_state_fsm(struct net_device *, enum cxgb4_dcb_state_input);
|
||||
void cxgb4_dcb_handle_fw_update(struct adapter *, const struct fw_port_cmd *);
|
||||
void cxgb4_dcb_set_caps(struct adapter *, const struct fw_port_cmd *);
|
||||
extern const struct dcbnl_rtnl_ops cxgb4_dcb_ops;
|
||||
|
||||
#define CXGB4_DCB_ENABLED true
|
||||
|
||||
#else /* !CONFIG_CHELSIO_T4_DCB */
|
||||
|
||||
static inline void cxgb4_dcb_state_init(struct net_device *dev)
|
||||
{
|
||||
}
|
||||
|
||||
#define CXGB4_DCB_ENABLED false
|
||||
|
||||
#endif /* !CONFIG_CHELSIO_T4_DCB */
|
||||
|
||||
#endif /* __CXGB4_DCB_H */
|
||||
Loading…
Reference in New Issue
Block a user