572 lines
13 KiB
C
572 lines
13 KiB
C
// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
|
|
/* Copyright (C) 2023 Corigine, Inc. */
|
|
|
|
#include <linux/device.h>
|
|
#include <linux/netdevice.h>
|
|
#include <net/dcbnl.h>
|
|
|
|
#include "../nfp_app.h"
|
|
#include "../nfp_net.h"
|
|
#include "../nfp_main.h"
|
|
#include "../nfpcore/nfp_cpp.h"
|
|
#include "../nfpcore/nfp_nffw.h"
|
|
#include "../nfp_net_sriov.h"
|
|
|
|
#include "main.h"
|
|
|
|
#define NFP_DCB_TRUST_PCP 1
|
|
#define NFP_DCB_TRUST_DSCP 2
|
|
#define NFP_DCB_TRUST_INVALID 0xff
|
|
|
|
#define NFP_DCB_TSA_VENDOR 1
|
|
#define NFP_DCB_TSA_STRICT 2
|
|
#define NFP_DCB_TSA_ETS 3
|
|
|
|
#define NFP_DCB_GBL_ENABLE BIT(0)
|
|
#define NFP_DCB_QOS_ENABLE BIT(1)
|
|
#define NFP_DCB_DISABLE 0
|
|
#define NFP_DCB_ALL_QOS_ENABLE (NFP_DCB_GBL_ENABLE | NFP_DCB_QOS_ENABLE)
|
|
|
|
#define NFP_DCB_UPDATE_MSK_SZ 4
|
|
#define NFP_DCB_TC_RATE_MAX 0xffff
|
|
|
|
#define NFP_DCB_DATA_OFF_DSCP2IDX 0
|
|
#define NFP_DCB_DATA_OFF_PCP2IDX 64
|
|
#define NFP_DCB_DATA_OFF_TSA 80
|
|
#define NFP_DCB_DATA_OFF_IDX_BW_PCT 88
|
|
#define NFP_DCB_DATA_OFF_RATE 96
|
|
#define NFP_DCB_DATA_OFF_CAP 112
|
|
#define NFP_DCB_DATA_OFF_ENABLE 116
|
|
#define NFP_DCB_DATA_OFF_TRUST 120
|
|
|
|
#define NFP_DCB_MSG_MSK_ENABLE BIT(31)
|
|
#define NFP_DCB_MSG_MSK_TRUST BIT(30)
|
|
#define NFP_DCB_MSG_MSK_TSA BIT(29)
|
|
#define NFP_DCB_MSG_MSK_DSCP BIT(28)
|
|
#define NFP_DCB_MSG_MSK_PCP BIT(27)
|
|
#define NFP_DCB_MSG_MSK_RATE BIT(26)
|
|
#define NFP_DCB_MSG_MSK_PCT BIT(25)
|
|
|
|
static struct nfp_dcb *get_dcb_priv(struct nfp_net *nn)
|
|
{
|
|
struct nfp_dcb *dcb = &((struct nfp_app_nic_private *)nn->app_priv)->dcb;
|
|
|
|
return dcb;
|
|
}
|
|
|
|
static u8 nfp_tsa_ieee2nfp(u8 tsa)
|
|
{
|
|
switch (tsa) {
|
|
case IEEE_8021QAZ_TSA_STRICT:
|
|
return NFP_DCB_TSA_STRICT;
|
|
case IEEE_8021QAZ_TSA_ETS:
|
|
return NFP_DCB_TSA_ETS;
|
|
default:
|
|
return NFP_DCB_TSA_VENDOR;
|
|
}
|
|
}
|
|
|
|
static int nfp_nic_dcbnl_ieee_getets(struct net_device *dev,
|
|
struct ieee_ets *ets)
|
|
{
|
|
struct nfp_net *nn = netdev_priv(dev);
|
|
struct nfp_dcb *dcb;
|
|
|
|
dcb = get_dcb_priv(nn);
|
|
|
|
for (unsigned int i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
|
|
ets->prio_tc[i] = dcb->prio2tc[i];
|
|
ets->tc_tx_bw[i] = dcb->tc_tx_pct[i];
|
|
ets->tc_tsa[i] = dcb->tc_tsa[i];
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static bool nfp_refresh_tc2idx(struct nfp_net *nn)
|
|
{
|
|
u8 tc2idx[IEEE_8021QAZ_MAX_TCS];
|
|
bool change = false;
|
|
struct nfp_dcb *dcb;
|
|
int maxstrict = 0;
|
|
|
|
dcb = get_dcb_priv(nn);
|
|
|
|
for (unsigned int i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
|
|
tc2idx[i] = i;
|
|
if (dcb->tc_tsa[i] == IEEE_8021QAZ_TSA_STRICT)
|
|
maxstrict = i;
|
|
}
|
|
|
|
if (maxstrict > 0 && dcb->tc_tsa[0] != IEEE_8021QAZ_TSA_STRICT) {
|
|
tc2idx[0] = maxstrict;
|
|
tc2idx[maxstrict] = 0;
|
|
}
|
|
|
|
for (unsigned int j = 0; j < IEEE_8021QAZ_MAX_TCS; j++) {
|
|
if (dcb->tc2idx[j] != tc2idx[j]) {
|
|
change = true;
|
|
dcb->tc2idx[j] = tc2idx[j];
|
|
}
|
|
}
|
|
|
|
return change;
|
|
}
|
|
|
|
static int nfp_fill_maxrate(struct nfp_net *nn, u64 *max_rate_array)
|
|
{
|
|
struct nfp_app *app = nn->app;
|
|
struct nfp_dcb *dcb;
|
|
u32 ratembps;
|
|
|
|
dcb = get_dcb_priv(nn);
|
|
|
|
for (unsigned int i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
|
|
/* Convert bandwidth from kbps to mbps. */
|
|
ratembps = max_rate_array[i] / 1024;
|
|
|
|
/* Reject input values >= NFP_DCB_TC_RATE_MAX */
|
|
if (ratembps >= NFP_DCB_TC_RATE_MAX) {
|
|
nfp_warn(app->cpp, "ratembps(%d) must less than %d.",
|
|
ratembps, NFP_DCB_TC_RATE_MAX);
|
|
return -EINVAL;
|
|
}
|
|
/* Input value 0 mapped to NFP_DCB_TC_RATE_MAX for firmware. */
|
|
if (ratembps == 0)
|
|
ratembps = NFP_DCB_TC_RATE_MAX;
|
|
|
|
writew((u16)ratembps, dcb->dcbcfg_tbl +
|
|
dcb->cfg_offset + NFP_DCB_DATA_OFF_RATE + dcb->tc2idx[i] * 2);
|
|
/* for rate value from user space, need to sync to dcb structure */
|
|
if (dcb->tc_maxrate != max_rate_array)
|
|
dcb->tc_maxrate[i] = max_rate_array[i];
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int update_dscp_maxrate(struct net_device *dev, u32 *update)
|
|
{
|
|
struct nfp_net *nn = netdev_priv(dev);
|
|
struct nfp_dcb *dcb;
|
|
int err;
|
|
|
|
dcb = get_dcb_priv(nn);
|
|
|
|
err = nfp_fill_maxrate(nn, dcb->tc_maxrate);
|
|
if (err)
|
|
return err;
|
|
|
|
*update |= NFP_DCB_MSG_MSK_RATE;
|
|
|
|
/* We only refresh dscp in dscp trust mode. */
|
|
if (dcb->dscp_cnt > 0) {
|
|
for (unsigned int i = 0; i < NFP_NET_MAX_DSCP; i++) {
|
|
writeb(dcb->tc2idx[dcb->prio2tc[dcb->dscp2prio[i]]],
|
|
dcb->dcbcfg_tbl + dcb->cfg_offset +
|
|
NFP_DCB_DATA_OFF_DSCP2IDX + i);
|
|
}
|
|
*update |= NFP_DCB_MSG_MSK_DSCP;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void nfp_nic_set_trust(struct nfp_net *nn, u32 *update)
|
|
{
|
|
struct nfp_dcb *dcb;
|
|
u8 trust;
|
|
|
|
dcb = get_dcb_priv(nn);
|
|
|
|
if (dcb->trust_status != NFP_DCB_TRUST_INVALID)
|
|
return;
|
|
|
|
trust = dcb->dscp_cnt > 0 ? NFP_DCB_TRUST_DSCP : NFP_DCB_TRUST_PCP;
|
|
writeb(trust, dcb->dcbcfg_tbl + dcb->cfg_offset +
|
|
NFP_DCB_DATA_OFF_TRUST);
|
|
|
|
dcb->trust_status = trust;
|
|
*update |= NFP_DCB_MSG_MSK_TRUST;
|
|
}
|
|
|
|
static void nfp_nic_set_enable(struct nfp_net *nn, u32 enable, u32 *update)
|
|
{
|
|
struct nfp_dcb *dcb;
|
|
u32 value = 0;
|
|
|
|
dcb = get_dcb_priv(nn);
|
|
|
|
value = readl(dcb->dcbcfg_tbl + dcb->cfg_offset +
|
|
NFP_DCB_DATA_OFF_ENABLE);
|
|
if (value != enable) {
|
|
writel(enable, dcb->dcbcfg_tbl + dcb->cfg_offset +
|
|
NFP_DCB_DATA_OFF_ENABLE);
|
|
*update |= NFP_DCB_MSG_MSK_ENABLE;
|
|
}
|
|
}
|
|
|
|
static int dcb_ets_check(struct net_device *dev, struct ieee_ets *ets)
|
|
{
|
|
struct nfp_net *nn = netdev_priv(dev);
|
|
struct nfp_app *app = nn->app;
|
|
bool ets_exists = false;
|
|
int sum = 0;
|
|
|
|
for (unsigned int i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
|
|
/* For ets mode, check bw percentage sum. */
|
|
if (ets->tc_tsa[i] == IEEE_8021QAZ_TSA_ETS) {
|
|
ets_exists = true;
|
|
sum += ets->tc_tx_bw[i];
|
|
} else if (ets->tc_tx_bw[i]) {
|
|
nfp_warn(app->cpp, "ETS BW for strict/vendor TC must be 0.");
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
if (ets_exists && sum != 100) {
|
|
nfp_warn(app->cpp, "Failed to validate ETS BW: sum must be 100.");
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void nfp_nic_fill_ets(struct nfp_net *nn)
|
|
{
|
|
struct nfp_dcb *dcb;
|
|
|
|
dcb = get_dcb_priv(nn);
|
|
|
|
for (unsigned int i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
|
|
writeb(dcb->tc2idx[dcb->prio2tc[i]],
|
|
dcb->dcbcfg_tbl + dcb->cfg_offset + NFP_DCB_DATA_OFF_PCP2IDX + i);
|
|
writeb(dcb->tc_tx_pct[i], dcb->dcbcfg_tbl +
|
|
dcb->cfg_offset + NFP_DCB_DATA_OFF_IDX_BW_PCT + dcb->tc2idx[i]);
|
|
writeb(nfp_tsa_ieee2nfp(dcb->tc_tsa[i]), dcb->dcbcfg_tbl +
|
|
dcb->cfg_offset + NFP_DCB_DATA_OFF_TSA + dcb->tc2idx[i]);
|
|
}
|
|
}
|
|
|
|
static void nfp_nic_ets_init(struct nfp_net *nn, u32 *update)
|
|
{
|
|
struct nfp_dcb *dcb = get_dcb_priv(nn);
|
|
|
|
if (dcb->ets_init)
|
|
return;
|
|
|
|
nfp_nic_fill_ets(nn);
|
|
dcb->ets_init = true;
|
|
*update |= NFP_DCB_MSG_MSK_TSA | NFP_DCB_MSG_MSK_PCT | NFP_DCB_MSG_MSK_PCP;
|
|
}
|
|
|
|
static int nfp_nic_dcbnl_ieee_setets(struct net_device *dev,
|
|
struct ieee_ets *ets)
|
|
{
|
|
const u32 cmd = NFP_NET_CFG_MBOX_CMD_DCB_UPDATE;
|
|
struct nfp_net *nn = netdev_priv(dev);
|
|
struct nfp_app *app = nn->app;
|
|
struct nfp_dcb *dcb;
|
|
u32 update = 0;
|
|
bool change;
|
|
int err;
|
|
|
|
err = dcb_ets_check(dev, ets);
|
|
if (err)
|
|
return err;
|
|
|
|
dcb = get_dcb_priv(nn);
|
|
|
|
for (unsigned int i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
|
|
dcb->prio2tc[i] = ets->prio_tc[i];
|
|
dcb->tc_tx_pct[i] = ets->tc_tx_bw[i];
|
|
dcb->tc_tsa[i] = ets->tc_tsa[i];
|
|
}
|
|
|
|
change = nfp_refresh_tc2idx(nn);
|
|
nfp_nic_fill_ets(nn);
|
|
dcb->ets_init = true;
|
|
if (change || !dcb->rate_init) {
|
|
err = update_dscp_maxrate(dev, &update);
|
|
if (err) {
|
|
nfp_warn(app->cpp,
|
|
"nfp dcbnl ieee setets ERROR:%d.",
|
|
err);
|
|
return err;
|
|
}
|
|
|
|
dcb->rate_init = true;
|
|
}
|
|
nfp_nic_set_enable(nn, NFP_DCB_ALL_QOS_ENABLE, &update);
|
|
nfp_nic_set_trust(nn, &update);
|
|
err = nfp_net_mbox_lock(nn, NFP_DCB_UPDATE_MSK_SZ);
|
|
if (err)
|
|
return err;
|
|
|
|
nn_writel(nn, nn->tlv_caps.mbox_off + NFP_NET_CFG_MBOX_SIMPLE_VAL,
|
|
update | NFP_DCB_MSG_MSK_TSA | NFP_DCB_MSG_MSK_PCT |
|
|
NFP_DCB_MSG_MSK_PCP);
|
|
|
|
return nfp_net_mbox_reconfig_and_unlock(nn, cmd);
|
|
}
|
|
|
|
static int nfp_nic_dcbnl_ieee_getmaxrate(struct net_device *dev,
|
|
struct ieee_maxrate *maxrate)
|
|
{
|
|
struct nfp_net *nn = netdev_priv(dev);
|
|
struct nfp_dcb *dcb;
|
|
|
|
dcb = get_dcb_priv(nn);
|
|
|
|
for (unsigned int i = 0; i < IEEE_8021QAZ_MAX_TCS; i++)
|
|
maxrate->tc_maxrate[i] = dcb->tc_maxrate[i];
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int nfp_nic_dcbnl_ieee_setmaxrate(struct net_device *dev,
|
|
struct ieee_maxrate *maxrate)
|
|
{
|
|
const u32 cmd = NFP_NET_CFG_MBOX_CMD_DCB_UPDATE;
|
|
struct nfp_net *nn = netdev_priv(dev);
|
|
struct nfp_app *app = nn->app;
|
|
struct nfp_dcb *dcb;
|
|
u32 update = 0;
|
|
int err;
|
|
|
|
err = nfp_fill_maxrate(nn, maxrate->tc_maxrate);
|
|
if (err) {
|
|
nfp_warn(app->cpp,
|
|
"nfp dcbnl ieee setmaxrate ERROR:%d.",
|
|
err);
|
|
return err;
|
|
}
|
|
|
|
dcb = get_dcb_priv(nn);
|
|
|
|
dcb->rate_init = true;
|
|
nfp_nic_set_enable(nn, NFP_DCB_ALL_QOS_ENABLE, &update);
|
|
nfp_nic_set_trust(nn, &update);
|
|
nfp_nic_ets_init(nn, &update);
|
|
|
|
err = nfp_net_mbox_lock(nn, NFP_DCB_UPDATE_MSK_SZ);
|
|
if (err)
|
|
return err;
|
|
|
|
nn_writel(nn, nn->tlv_caps.mbox_off + NFP_NET_CFG_MBOX_SIMPLE_VAL,
|
|
update | NFP_DCB_MSG_MSK_RATE);
|
|
|
|
return nfp_net_mbox_reconfig_and_unlock(nn, cmd);
|
|
}
|
|
|
|
static int nfp_nic_set_trust_status(struct nfp_net *nn, u8 status)
|
|
{
|
|
const u32 cmd = NFP_NET_CFG_MBOX_CMD_DCB_UPDATE;
|
|
struct nfp_dcb *dcb;
|
|
u32 update = 0;
|
|
int err;
|
|
|
|
dcb = get_dcb_priv(nn);
|
|
if (!dcb->rate_init) {
|
|
err = nfp_fill_maxrate(nn, dcb->tc_maxrate);
|
|
if (err)
|
|
return err;
|
|
|
|
update |= NFP_DCB_MSG_MSK_RATE;
|
|
dcb->rate_init = true;
|
|
}
|
|
|
|
err = nfp_net_mbox_lock(nn, NFP_DCB_UPDATE_MSK_SZ);
|
|
if (err)
|
|
return err;
|
|
|
|
nfp_nic_ets_init(nn, &update);
|
|
writeb(status, dcb->dcbcfg_tbl + dcb->cfg_offset +
|
|
NFP_DCB_DATA_OFF_TRUST);
|
|
nfp_nic_set_enable(nn, NFP_DCB_ALL_QOS_ENABLE, &update);
|
|
nn_writel(nn, nn->tlv_caps.mbox_off + NFP_NET_CFG_MBOX_SIMPLE_VAL,
|
|
update | NFP_DCB_MSG_MSK_TRUST);
|
|
|
|
err = nfp_net_mbox_reconfig_and_unlock(nn, cmd);
|
|
if (err)
|
|
return err;
|
|
|
|
dcb->trust_status = status;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int nfp_nic_set_dscp2prio(struct nfp_net *nn, u8 dscp, u8 prio)
|
|
{
|
|
const u32 cmd = NFP_NET_CFG_MBOX_CMD_DCB_UPDATE;
|
|
struct nfp_dcb *dcb;
|
|
u8 idx, tc;
|
|
int err;
|
|
|
|
err = nfp_net_mbox_lock(nn, NFP_DCB_UPDATE_MSK_SZ);
|
|
if (err)
|
|
return err;
|
|
|
|
dcb = get_dcb_priv(nn);
|
|
|
|
tc = dcb->prio2tc[prio];
|
|
idx = dcb->tc2idx[tc];
|
|
|
|
writeb(idx, dcb->dcbcfg_tbl + dcb->cfg_offset +
|
|
NFP_DCB_DATA_OFF_DSCP2IDX + dscp);
|
|
|
|
nn_writel(nn, nn->tlv_caps.mbox_off +
|
|
NFP_NET_CFG_MBOX_SIMPLE_VAL, NFP_DCB_MSG_MSK_DSCP);
|
|
|
|
err = nfp_net_mbox_reconfig_and_unlock(nn, cmd);
|
|
if (err)
|
|
return err;
|
|
|
|
dcb->dscp2prio[dscp] = prio;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int nfp_nic_dcbnl_ieee_setapp(struct net_device *dev,
|
|
struct dcb_app *app)
|
|
{
|
|
struct nfp_net *nn = netdev_priv(dev);
|
|
struct dcb_app old_app;
|
|
struct nfp_dcb *dcb;
|
|
bool is_new;
|
|
int err;
|
|
|
|
if (app->selector != IEEE_8021QAZ_APP_SEL_DSCP)
|
|
return -EINVAL;
|
|
|
|
dcb = get_dcb_priv(nn);
|
|
|
|
/* Save the old entry info */
|
|
old_app.selector = IEEE_8021QAZ_APP_SEL_DSCP;
|
|
old_app.protocol = app->protocol;
|
|
old_app.priority = dcb->dscp2prio[app->protocol];
|
|
|
|
/* Check trust status */
|
|
if (!dcb->dscp_cnt) {
|
|
err = nfp_nic_set_trust_status(nn, NFP_DCB_TRUST_DSCP);
|
|
if (err)
|
|
return err;
|
|
}
|
|
|
|
/* Check if the new mapping is same as old or in init stage */
|
|
if (app->priority != old_app.priority || app->priority == 0) {
|
|
err = nfp_nic_set_dscp2prio(nn, app->protocol, app->priority);
|
|
if (err)
|
|
return err;
|
|
}
|
|
|
|
/* Delete the old entry if exists */
|
|
is_new = !!dcb_ieee_delapp(dev, &old_app);
|
|
|
|
/* Add new entry and update counter */
|
|
err = dcb_ieee_setapp(dev, app);
|
|
if (err)
|
|
return err;
|
|
|
|
if (is_new)
|
|
dcb->dscp_cnt++;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int nfp_nic_dcbnl_ieee_delapp(struct net_device *dev,
|
|
struct dcb_app *app)
|
|
{
|
|
struct nfp_net *nn = netdev_priv(dev);
|
|
struct nfp_dcb *dcb;
|
|
int err;
|
|
|
|
if (app->selector != IEEE_8021QAZ_APP_SEL_DSCP)
|
|
return -EINVAL;
|
|
|
|
dcb = get_dcb_priv(nn);
|
|
|
|
/* Check if the dcb_app param match fw */
|
|
if (app->priority != dcb->dscp2prio[app->protocol])
|
|
return -ENOENT;
|
|
|
|
/* Set fw dscp mapping to 0 */
|
|
err = nfp_nic_set_dscp2prio(nn, app->protocol, 0);
|
|
if (err)
|
|
return err;
|
|
|
|
/* Delete app from dcb list */
|
|
err = dcb_ieee_delapp(dev, app);
|
|
if (err)
|
|
return err;
|
|
|
|
/* Decrease dscp counter */
|
|
dcb->dscp_cnt--;
|
|
|
|
/* If no dscp mapping is configured, trust pcp */
|
|
if (dcb->dscp_cnt == 0)
|
|
return nfp_nic_set_trust_status(nn, NFP_DCB_TRUST_PCP);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct dcbnl_rtnl_ops nfp_nic_dcbnl_ops = {
|
|
/* ieee 802.1Qaz std */
|
|
.ieee_getets = nfp_nic_dcbnl_ieee_getets,
|
|
.ieee_setets = nfp_nic_dcbnl_ieee_setets,
|
|
.ieee_getmaxrate = nfp_nic_dcbnl_ieee_getmaxrate,
|
|
.ieee_setmaxrate = nfp_nic_dcbnl_ieee_setmaxrate,
|
|
.ieee_setapp = nfp_nic_dcbnl_ieee_setapp,
|
|
.ieee_delapp = nfp_nic_dcbnl_ieee_delapp,
|
|
};
|
|
|
|
int nfp_nic_dcb_init(struct nfp_net *nn)
|
|
{
|
|
struct nfp_app *app = nn->app;
|
|
struct nfp_dcb *dcb;
|
|
int err;
|
|
|
|
dcb = get_dcb_priv(nn);
|
|
dcb->cfg_offset = NFP_DCB_CFG_STRIDE * nn->id;
|
|
dcb->dcbcfg_tbl = nfp_pf_map_rtsym(app->pf, "net.dcbcfg_tbl",
|
|
"_abi_dcb_cfg",
|
|
dcb->cfg_offset, &dcb->dcbcfg_tbl_area);
|
|
if (IS_ERR(dcb->dcbcfg_tbl)) {
|
|
if (PTR_ERR(dcb->dcbcfg_tbl) != -ENOENT) {
|
|
err = PTR_ERR(dcb->dcbcfg_tbl);
|
|
dcb->dcbcfg_tbl = NULL;
|
|
nfp_err(app->cpp,
|
|
"Failed to map dcbcfg_tbl area, min_size %u.\n",
|
|
dcb->cfg_offset);
|
|
return err;
|
|
}
|
|
dcb->dcbcfg_tbl = NULL;
|
|
}
|
|
|
|
if (dcb->dcbcfg_tbl) {
|
|
for (unsigned int i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
|
|
dcb->prio2tc[i] = i;
|
|
dcb->tc2idx[i] = i;
|
|
dcb->tc_tx_pct[i] = 0;
|
|
dcb->tc_maxrate[i] = 0;
|
|
dcb->tc_tsa[i] = IEEE_8021QAZ_TSA_VENDOR;
|
|
}
|
|
dcb->trust_status = NFP_DCB_TRUST_INVALID;
|
|
dcb->rate_init = false;
|
|
dcb->ets_init = false;
|
|
|
|
nn->dp.netdev->dcbnl_ops = &nfp_nic_dcbnl_ops;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void nfp_nic_dcb_clean(struct nfp_net *nn)
|
|
{
|
|
struct nfp_dcb *dcb;
|
|
|
|
dcb = get_dcb_priv(nn);
|
|
if (dcb->dcbcfg_tbl_area)
|
|
nfp_cpp_area_release_free(dcb->dcbcfg_tbl_area);
|
|
}
|