linuxdebug/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c

2117 lines
51 KiB
C

// SPDX-License-Identifier: GPL-2.0+
// Copyright (c) 2016-2017 Hisilicon Limited.
#include <linux/etherdevice.h>
#include "hclge_cmd.h"
#include "hclge_main.h"
#include "hclge_tm.h"
enum hclge_shaper_level {
HCLGE_SHAPER_LVL_PRI = 0,
HCLGE_SHAPER_LVL_PG = 1,
HCLGE_SHAPER_LVL_PORT = 2,
HCLGE_SHAPER_LVL_QSET = 3,
HCLGE_SHAPER_LVL_CNT = 4,
HCLGE_SHAPER_LVL_VF = 0,
HCLGE_SHAPER_LVL_PF = 1,
};
#define HCLGE_TM_PFC_PKT_GET_CMD_NUM 3
#define HCLGE_TM_PFC_NUM_GET_PER_CMD 3
#define HCLGE_SHAPER_BS_U_DEF 5
#define HCLGE_SHAPER_BS_S_DEF 20
/* hclge_shaper_para_calc: calculate ir parameter for the shaper
* @ir: Rate to be config, its unit is Mbps
* @shaper_level: the shaper level. eg: port, pg, priority, queueset
* @ir_para: parameters of IR shaper
* @max_tm_rate: max tm rate is available to config
*
* the formula:
*
* IR_b * (2 ^ IR_u) * 8
* IR(Mbps) = ------------------------- * CLOCK(1000Mbps)
* Tick * (2 ^ IR_s)
*
* @return: 0: calculate sucessful, negative: fail
*/
static int hclge_shaper_para_calc(u32 ir, u8 shaper_level,
struct hclge_shaper_ir_para *ir_para,
u32 max_tm_rate)
{
#define DEFAULT_SHAPER_IR_B 126
#define DIVISOR_CLK (1000 * 8)
#define DEFAULT_DIVISOR_IR_B (DEFAULT_SHAPER_IR_B * DIVISOR_CLK)
static const u16 tick_array[HCLGE_SHAPER_LVL_CNT] = {
6 * 256, /* Prioriy level */
6 * 32, /* Prioriy group level */
6 * 8, /* Port level */
6 * 256 /* Qset level */
};
u8 ir_u_calc = 0;
u8 ir_s_calc = 0;
u32 ir_calc;
u32 tick;
/* Calc tick */
if (shaper_level >= HCLGE_SHAPER_LVL_CNT ||
ir > max_tm_rate)
return -EINVAL;
tick = tick_array[shaper_level];
/**
* Calc the speed if ir_b = 126, ir_u = 0 and ir_s = 0
* the formula is changed to:
* 126 * 1 * 8
* ir_calc = ---------------- * 1000
* tick * 1
*/
ir_calc = (DEFAULT_DIVISOR_IR_B + (tick >> 1) - 1) / tick;
if (ir_calc == ir) {
ir_para->ir_b = DEFAULT_SHAPER_IR_B;
ir_para->ir_u = 0;
ir_para->ir_s = 0;
return 0;
} else if (ir_calc > ir) {
/* Increasing the denominator to select ir_s value */
while (ir_calc >= ir && ir) {
ir_s_calc++;
ir_calc = DEFAULT_DIVISOR_IR_B /
(tick * (1 << ir_s_calc));
}
ir_para->ir_b = (ir * tick * (1 << ir_s_calc) +
(DIVISOR_CLK >> 1)) / DIVISOR_CLK;
} else {
/* Increasing the numerator to select ir_u value */
u32 numerator;
while (ir_calc < ir) {
ir_u_calc++;
numerator = DEFAULT_DIVISOR_IR_B * (1 << ir_u_calc);
ir_calc = (numerator + (tick >> 1)) / tick;
}
if (ir_calc == ir) {
ir_para->ir_b = DEFAULT_SHAPER_IR_B;
} else {
u32 denominator = DIVISOR_CLK * (1 << --ir_u_calc);
ir_para->ir_b = (ir * tick + (denominator >> 1)) /
denominator;
}
}
ir_para->ir_u = ir_u_calc;
ir_para->ir_s = ir_s_calc;
return 0;
}
static const u16 hclge_pfc_tx_stats_offset[] = {
HCLGE_MAC_STATS_FIELD_OFF(mac_tx_pfc_pri0_pkt_num),
HCLGE_MAC_STATS_FIELD_OFF(mac_tx_pfc_pri1_pkt_num),
HCLGE_MAC_STATS_FIELD_OFF(mac_tx_pfc_pri2_pkt_num),
HCLGE_MAC_STATS_FIELD_OFF(mac_tx_pfc_pri3_pkt_num),
HCLGE_MAC_STATS_FIELD_OFF(mac_tx_pfc_pri4_pkt_num),
HCLGE_MAC_STATS_FIELD_OFF(mac_tx_pfc_pri5_pkt_num),
HCLGE_MAC_STATS_FIELD_OFF(mac_tx_pfc_pri6_pkt_num),
HCLGE_MAC_STATS_FIELD_OFF(mac_tx_pfc_pri7_pkt_num)
};
static const u16 hclge_pfc_rx_stats_offset[] = {
HCLGE_MAC_STATS_FIELD_OFF(mac_rx_pfc_pri0_pkt_num),
HCLGE_MAC_STATS_FIELD_OFF(mac_rx_pfc_pri1_pkt_num),
HCLGE_MAC_STATS_FIELD_OFF(mac_rx_pfc_pri2_pkt_num),
HCLGE_MAC_STATS_FIELD_OFF(mac_rx_pfc_pri3_pkt_num),
HCLGE_MAC_STATS_FIELD_OFF(mac_rx_pfc_pri4_pkt_num),
HCLGE_MAC_STATS_FIELD_OFF(mac_rx_pfc_pri5_pkt_num),
HCLGE_MAC_STATS_FIELD_OFF(mac_rx_pfc_pri6_pkt_num),
HCLGE_MAC_STATS_FIELD_OFF(mac_rx_pfc_pri7_pkt_num)
};
static void hclge_pfc_stats_get(struct hclge_dev *hdev, bool tx, u64 *stats)
{
const u16 *offset;
int i;
if (tx)
offset = hclge_pfc_tx_stats_offset;
else
offset = hclge_pfc_rx_stats_offset;
for (i = 0; i < HCLGE_MAX_TC_NUM; i++)
stats[i] = HCLGE_STATS_READ(&hdev->mac_stats, offset[i]);
}
void hclge_pfc_rx_stats_get(struct hclge_dev *hdev, u64 *stats)
{
hclge_pfc_stats_get(hdev, false, stats);
}
void hclge_pfc_tx_stats_get(struct hclge_dev *hdev, u64 *stats)
{
hclge_pfc_stats_get(hdev, true, stats);
}
int hclge_mac_pause_en_cfg(struct hclge_dev *hdev, bool tx, bool rx)
{
struct hclge_desc desc;
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CFG_MAC_PAUSE_EN, false);
desc.data[0] = cpu_to_le32((tx ? HCLGE_TX_MAC_PAUSE_EN_MSK : 0) |
(rx ? HCLGE_RX_MAC_PAUSE_EN_MSK : 0));
return hclge_cmd_send(&hdev->hw, &desc, 1);
}
int hclge_pfc_pause_en_cfg(struct hclge_dev *hdev, u8 tx_rx_bitmap,
u8 pfc_bitmap)
{
struct hclge_desc desc;
struct hclge_pfc_en_cmd *pfc = (struct hclge_pfc_en_cmd *)desc.data;
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CFG_PFC_PAUSE_EN, false);
pfc->tx_rx_en_bitmap = tx_rx_bitmap;
pfc->pri_en_bitmap = pfc_bitmap;
return hclge_cmd_send(&hdev->hw, &desc, 1);
}
static int hclge_pause_param_cfg(struct hclge_dev *hdev, const u8 *addr,
u8 pause_trans_gap, u16 pause_trans_time)
{
struct hclge_cfg_pause_param_cmd *pause_param;
struct hclge_desc desc;
pause_param = (struct hclge_cfg_pause_param_cmd *)desc.data;
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CFG_MAC_PARA, false);
ether_addr_copy(pause_param->mac_addr, addr);
ether_addr_copy(pause_param->mac_addr_extra, addr);
pause_param->pause_trans_gap = pause_trans_gap;
pause_param->pause_trans_time = cpu_to_le16(pause_trans_time);
return hclge_cmd_send(&hdev->hw, &desc, 1);
}
int hclge_pause_addr_cfg(struct hclge_dev *hdev, const u8 *mac_addr)
{
struct hclge_cfg_pause_param_cmd *pause_param;
struct hclge_desc desc;
u16 trans_time;
u8 trans_gap;
int ret;
pause_param = (struct hclge_cfg_pause_param_cmd *)desc.data;
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CFG_MAC_PARA, true);
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret)
return ret;
trans_gap = pause_param->pause_trans_gap;
trans_time = le16_to_cpu(pause_param->pause_trans_time);
return hclge_pause_param_cfg(hdev, mac_addr, trans_gap, trans_time);
}
static int hclge_fill_pri_array(struct hclge_dev *hdev, u8 *pri, u8 pri_id)
{
u8 tc;
tc = hdev->tm_info.prio_tc[pri_id];
if (tc >= hdev->tm_info.num_tc)
return -EINVAL;
/**
* the register for priority has four bytes, the first bytes includes
* priority0 and priority1, the higher 4bit stands for priority1
* while the lower 4bit stands for priority0, as below:
* first byte: | pri_1 | pri_0 |
* second byte: | pri_3 | pri_2 |
* third byte: | pri_5 | pri_4 |
* fourth byte: | pri_7 | pri_6 |
*/
pri[pri_id >> 1] |= tc << ((pri_id & 1) * 4);
return 0;
}
int hclge_up_to_tc_map(struct hclge_dev *hdev)
{
struct hclge_desc desc;
u8 *pri = (u8 *)desc.data;
u8 pri_id;
int ret;
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_PRI_TO_TC_MAPPING, false);
for (pri_id = 0; pri_id < HNAE3_MAX_USER_PRIO; pri_id++) {
ret = hclge_fill_pri_array(hdev, pri, pri_id);
if (ret)
return ret;
}
return hclge_cmd_send(&hdev->hw, &desc, 1);
}
static void hclge_dscp_to_prio_map_init(struct hclge_dev *hdev)
{
u8 i;
hdev->vport[0].nic.kinfo.tc_map_mode = HNAE3_TC_MAP_MODE_PRIO;
hdev->vport[0].nic.kinfo.dscp_app_cnt = 0;
for (i = 0; i < HNAE3_MAX_DSCP; i++)
hdev->vport[0].nic.kinfo.dscp_prio[i] = HNAE3_PRIO_ID_INVALID;
}
int hclge_dscp_to_tc_map(struct hclge_dev *hdev)
{
struct hclge_desc desc[HCLGE_DSCP_MAP_TC_BD_NUM];
u8 *req0 = (u8 *)desc[0].data;
u8 *req1 = (u8 *)desc[1].data;
u8 pri_id, tc_id, i, j;
hclge_cmd_setup_basic_desc(&desc[0], HCLGE_OPC_QOS_MAP, false);
desc[0].flag |= cpu_to_le16(HCLGE_COMM_CMD_FLAG_NEXT);
hclge_cmd_setup_basic_desc(&desc[1], HCLGE_OPC_QOS_MAP, false);
/* The low 32 dscp setting use bd0, high 32 dscp setting use bd1 */
for (i = 0; i < HNAE3_MAX_DSCP / HCLGE_DSCP_MAP_TC_BD_NUM; i++) {
pri_id = hdev->vport[0].nic.kinfo.dscp_prio[i];
pri_id = pri_id == HNAE3_PRIO_ID_INVALID ? 0 : pri_id;
tc_id = hdev->tm_info.prio_tc[pri_id];
/* Each dscp setting has 4 bits, so each byte saves two dscp
* setting
*/
req0[i >> 1] |= tc_id << HCLGE_DSCP_TC_SHIFT(i);
j = i + HNAE3_MAX_DSCP / HCLGE_DSCP_MAP_TC_BD_NUM;
pri_id = hdev->vport[0].nic.kinfo.dscp_prio[j];
pri_id = pri_id == HNAE3_PRIO_ID_INVALID ? 0 : pri_id;
tc_id = hdev->tm_info.prio_tc[pri_id];
req1[i >> 1] |= tc_id << HCLGE_DSCP_TC_SHIFT(i);
}
return hclge_cmd_send(&hdev->hw, desc, HCLGE_DSCP_MAP_TC_BD_NUM);
}
static int hclge_tm_pg_to_pri_map_cfg(struct hclge_dev *hdev,
u8 pg_id, u8 pri_bit_map)
{
struct hclge_pg_to_pri_link_cmd *map;
struct hclge_desc desc;
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_PG_TO_PRI_LINK, false);
map = (struct hclge_pg_to_pri_link_cmd *)desc.data;
map->pg_id = pg_id;
map->pri_bit_map = pri_bit_map;
return hclge_cmd_send(&hdev->hw, &desc, 1);
}
static int hclge_tm_qs_to_pri_map_cfg(struct hclge_dev *hdev, u16 qs_id, u8 pri,
bool link_vld)
{
struct hclge_qs_to_pri_link_cmd *map;
struct hclge_desc desc;
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_QS_TO_PRI_LINK, false);
map = (struct hclge_qs_to_pri_link_cmd *)desc.data;
map->qs_id = cpu_to_le16(qs_id);
map->priority = pri;
map->link_vld = link_vld ? HCLGE_TM_QS_PRI_LINK_VLD_MSK : 0;
return hclge_cmd_send(&hdev->hw, &desc, 1);
}
static int hclge_tm_q_to_qs_map_cfg(struct hclge_dev *hdev,
u16 q_id, u16 qs_id)
{
struct hclge_nq_to_qs_link_cmd *map;
struct hclge_desc desc;
u16 qs_id_l;
u16 qs_id_h;
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_NQ_TO_QS_LINK, false);
map = (struct hclge_nq_to_qs_link_cmd *)desc.data;
map->nq_id = cpu_to_le16(q_id);
/* convert qs_id to the following format to support qset_id >= 1024
* qs_id: | 15 | 14 ~ 10 | 9 ~ 0 |
* / / \ \
* / / \ \
* qset_id: | 15 ~ 11 | 10 | 9 ~ 0 |
* | qs_id_h | vld | qs_id_l |
*/
qs_id_l = hnae3_get_field(qs_id, HCLGE_TM_QS_ID_L_MSK,
HCLGE_TM_QS_ID_L_S);
qs_id_h = hnae3_get_field(qs_id, HCLGE_TM_QS_ID_H_MSK,
HCLGE_TM_QS_ID_H_S);
hnae3_set_field(qs_id, HCLGE_TM_QS_ID_L_MSK, HCLGE_TM_QS_ID_L_S,
qs_id_l);
hnae3_set_field(qs_id, HCLGE_TM_QS_ID_H_EXT_MSK, HCLGE_TM_QS_ID_H_EXT_S,
qs_id_h);
map->qset_id = cpu_to_le16(qs_id | HCLGE_TM_Q_QS_LINK_VLD_MSK);
return hclge_cmd_send(&hdev->hw, &desc, 1);
}
static int hclge_tm_pg_weight_cfg(struct hclge_dev *hdev, u8 pg_id,
u8 dwrr)
{
struct hclge_pg_weight_cmd *weight;
struct hclge_desc desc;
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_PG_WEIGHT, false);
weight = (struct hclge_pg_weight_cmd *)desc.data;
weight->pg_id = pg_id;
weight->dwrr = dwrr;
return hclge_cmd_send(&hdev->hw, &desc, 1);
}
static int hclge_tm_pri_weight_cfg(struct hclge_dev *hdev, u8 pri_id,
u8 dwrr)
{
struct hclge_priority_weight_cmd *weight;
struct hclge_desc desc;
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_PRI_WEIGHT, false);
weight = (struct hclge_priority_weight_cmd *)desc.data;
weight->pri_id = pri_id;
weight->dwrr = dwrr;
return hclge_cmd_send(&hdev->hw, &desc, 1);
}
static int hclge_tm_qs_weight_cfg(struct hclge_dev *hdev, u16 qs_id,
u8 dwrr)
{
struct hclge_qs_weight_cmd *weight;
struct hclge_desc desc;
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_QS_WEIGHT, false);
weight = (struct hclge_qs_weight_cmd *)desc.data;
weight->qs_id = cpu_to_le16(qs_id);
weight->dwrr = dwrr;
return hclge_cmd_send(&hdev->hw, &desc, 1);
}
static u32 hclge_tm_get_shapping_para(u8 ir_b, u8 ir_u, u8 ir_s,
u8 bs_b, u8 bs_s)
{
u32 shapping_para = 0;
hclge_tm_set_field(shapping_para, IR_B, ir_b);
hclge_tm_set_field(shapping_para, IR_U, ir_u);
hclge_tm_set_field(shapping_para, IR_S, ir_s);
hclge_tm_set_field(shapping_para, BS_B, bs_b);
hclge_tm_set_field(shapping_para, BS_S, bs_s);
return shapping_para;
}
static int hclge_tm_pg_shapping_cfg(struct hclge_dev *hdev,
enum hclge_shap_bucket bucket, u8 pg_id,
u32 shapping_para, u32 rate)
{
struct hclge_pg_shapping_cmd *shap_cfg_cmd;
enum hclge_opcode_type opcode;
struct hclge_desc desc;
opcode = bucket ? HCLGE_OPC_TM_PG_P_SHAPPING :
HCLGE_OPC_TM_PG_C_SHAPPING;
hclge_cmd_setup_basic_desc(&desc, opcode, false);
shap_cfg_cmd = (struct hclge_pg_shapping_cmd *)desc.data;
shap_cfg_cmd->pg_id = pg_id;
shap_cfg_cmd->pg_shapping_para = cpu_to_le32(shapping_para);
hnae3_set_bit(shap_cfg_cmd->flag, HCLGE_TM_RATE_VLD, 1);
shap_cfg_cmd->pg_rate = cpu_to_le32(rate);
return hclge_cmd_send(&hdev->hw, &desc, 1);
}
int hclge_tm_port_shaper_cfg(struct hclge_dev *hdev)
{
struct hclge_port_shapping_cmd *shap_cfg_cmd;
struct hclge_shaper_ir_para ir_para;
struct hclge_desc desc;
u32 shapping_para;
int ret;
ret = hclge_shaper_para_calc(hdev->hw.mac.speed, HCLGE_SHAPER_LVL_PORT,
&ir_para,
hdev->ae_dev->dev_specs.max_tm_rate);
if (ret)
return ret;
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_PORT_SHAPPING, false);
shap_cfg_cmd = (struct hclge_port_shapping_cmd *)desc.data;
shapping_para = hclge_tm_get_shapping_para(ir_para.ir_b, ir_para.ir_u,
ir_para.ir_s,
HCLGE_SHAPER_BS_U_DEF,
HCLGE_SHAPER_BS_S_DEF);
shap_cfg_cmd->port_shapping_para = cpu_to_le32(shapping_para);
hnae3_set_bit(shap_cfg_cmd->flag, HCLGE_TM_RATE_VLD, 1);
shap_cfg_cmd->port_rate = cpu_to_le32(hdev->hw.mac.speed);
return hclge_cmd_send(&hdev->hw, &desc, 1);
}
static int hclge_tm_pri_shapping_cfg(struct hclge_dev *hdev,
enum hclge_shap_bucket bucket, u8 pri_id,
u32 shapping_para, u32 rate)
{
struct hclge_pri_shapping_cmd *shap_cfg_cmd;
enum hclge_opcode_type opcode;
struct hclge_desc desc;
opcode = bucket ? HCLGE_OPC_TM_PRI_P_SHAPPING :
HCLGE_OPC_TM_PRI_C_SHAPPING;
hclge_cmd_setup_basic_desc(&desc, opcode, false);
shap_cfg_cmd = (struct hclge_pri_shapping_cmd *)desc.data;
shap_cfg_cmd->pri_id = pri_id;
shap_cfg_cmd->pri_shapping_para = cpu_to_le32(shapping_para);
hnae3_set_bit(shap_cfg_cmd->flag, HCLGE_TM_RATE_VLD, 1);
shap_cfg_cmd->pri_rate = cpu_to_le32(rate);
return hclge_cmd_send(&hdev->hw, &desc, 1);
}
static int hclge_tm_pg_schd_mode_cfg(struct hclge_dev *hdev, u8 pg_id)
{
struct hclge_desc desc;
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_PG_SCH_MODE_CFG, false);
if (hdev->tm_info.pg_info[pg_id].pg_sch_mode == HCLGE_SCH_MODE_DWRR)
desc.data[1] = cpu_to_le32(HCLGE_TM_TX_SCHD_DWRR_MSK);
else
desc.data[1] = 0;
desc.data[0] = cpu_to_le32(pg_id);
return hclge_cmd_send(&hdev->hw, &desc, 1);
}
static int hclge_tm_pri_schd_mode_cfg(struct hclge_dev *hdev, u8 pri_id)
{
struct hclge_desc desc;
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_PRI_SCH_MODE_CFG, false);
if (hdev->tm_info.tc_info[pri_id].tc_sch_mode == HCLGE_SCH_MODE_DWRR)
desc.data[1] = cpu_to_le32(HCLGE_TM_TX_SCHD_DWRR_MSK);
else
desc.data[1] = 0;
desc.data[0] = cpu_to_le32(pri_id);
return hclge_cmd_send(&hdev->hw, &desc, 1);
}
static int hclge_tm_qs_schd_mode_cfg(struct hclge_dev *hdev, u16 qs_id, u8 mode)
{
struct hclge_desc desc;
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_QS_SCH_MODE_CFG, false);
if (mode == HCLGE_SCH_MODE_DWRR)
desc.data[1] = cpu_to_le32(HCLGE_TM_TX_SCHD_DWRR_MSK);
else
desc.data[1] = 0;
desc.data[0] = cpu_to_le32(qs_id);
return hclge_cmd_send(&hdev->hw, &desc, 1);
}
static int hclge_tm_qs_bp_cfg(struct hclge_dev *hdev, u8 tc, u8 grp_id,
u32 bit_map)
{
struct hclge_bp_to_qs_map_cmd *bp_to_qs_map_cmd;
struct hclge_desc desc;
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_BP_TO_QSET_MAPPING,
false);
bp_to_qs_map_cmd = (struct hclge_bp_to_qs_map_cmd *)desc.data;
bp_to_qs_map_cmd->tc_id = tc;
bp_to_qs_map_cmd->qs_group_id = grp_id;
bp_to_qs_map_cmd->qs_bit_map = cpu_to_le32(bit_map);
return hclge_cmd_send(&hdev->hw, &desc, 1);
}
int hclge_tm_qs_shaper_cfg(struct hclge_vport *vport, int max_tx_rate)
{
struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
struct hclge_qs_shapping_cmd *shap_cfg_cmd;
struct hclge_shaper_ir_para ir_para;
struct hclge_dev *hdev = vport->back;
struct hclge_desc desc;
u32 shaper_para;
int ret, i;
if (!max_tx_rate)
max_tx_rate = hdev->ae_dev->dev_specs.max_tm_rate;
ret = hclge_shaper_para_calc(max_tx_rate, HCLGE_SHAPER_LVL_QSET,
&ir_para,
hdev->ae_dev->dev_specs.max_tm_rate);
if (ret)
return ret;
shaper_para = hclge_tm_get_shapping_para(ir_para.ir_b, ir_para.ir_u,
ir_para.ir_s,
HCLGE_SHAPER_BS_U_DEF,
HCLGE_SHAPER_BS_S_DEF);
for (i = 0; i < kinfo->tc_info.num_tc; i++) {
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_QCN_SHAPPING_CFG,
false);
shap_cfg_cmd = (struct hclge_qs_shapping_cmd *)desc.data;
shap_cfg_cmd->qs_id = cpu_to_le16(vport->qs_offset + i);
shap_cfg_cmd->qs_shapping_para = cpu_to_le32(shaper_para);
hnae3_set_bit(shap_cfg_cmd->flag, HCLGE_TM_RATE_VLD, 1);
shap_cfg_cmd->qs_rate = cpu_to_le32(max_tx_rate);
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret) {
dev_err(&hdev->pdev->dev,
"vport%u, qs%u failed to set tx_rate:%d, ret=%d\n",
vport->vport_id, shap_cfg_cmd->qs_id,
max_tx_rate, ret);
return ret;
}
}
return 0;
}
static u16 hclge_vport_get_max_rss_size(struct hclge_vport *vport)
{
struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
struct hnae3_tc_info *tc_info = &kinfo->tc_info;
struct hclge_dev *hdev = vport->back;
u16 max_rss_size = 0;
int i;
if (!tc_info->mqprio_active)
return vport->alloc_tqps / tc_info->num_tc;
for (i = 0; i < HNAE3_MAX_TC; i++) {
if (!(hdev->hw_tc_map & BIT(i)) || i >= tc_info->num_tc)
continue;
if (max_rss_size < tc_info->tqp_count[i])
max_rss_size = tc_info->tqp_count[i];
}
return max_rss_size;
}
static u16 hclge_vport_get_tqp_num(struct hclge_vport *vport)
{
struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
struct hnae3_tc_info *tc_info = &kinfo->tc_info;
struct hclge_dev *hdev = vport->back;
int sum = 0;
int i;
if (!tc_info->mqprio_active)
return kinfo->rss_size * tc_info->num_tc;
for (i = 0; i < HNAE3_MAX_TC; i++) {
if (hdev->hw_tc_map & BIT(i) && i < tc_info->num_tc)
sum += tc_info->tqp_count[i];
}
return sum;
}
static void hclge_tm_update_kinfo_rss_size(struct hclge_vport *vport)
{
struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
struct hclge_dev *hdev = vport->back;
u16 vport_max_rss_size;
u16 max_rss_size;
/* TC configuration is shared by PF/VF in one port, only allow
* one tc for VF for simplicity. VF's vport_id is non zero.
*/
if (vport->vport_id) {
kinfo->tc_info.max_tc = 1;
kinfo->tc_info.num_tc = 1;
vport->qs_offset = HNAE3_MAX_TC +
vport->vport_id - HCLGE_VF_VPORT_START_NUM;
vport_max_rss_size = hdev->vf_rss_size_max;
} else {
kinfo->tc_info.max_tc = hdev->tc_max;
kinfo->tc_info.num_tc =
min_t(u16, vport->alloc_tqps, hdev->tm_info.num_tc);
vport->qs_offset = 0;
vport_max_rss_size = hdev->pf_rss_size_max;
}
max_rss_size = min_t(u16, vport_max_rss_size,
hclge_vport_get_max_rss_size(vport));
/* Set to user value, no larger than max_rss_size. */
if (kinfo->req_rss_size != kinfo->rss_size && kinfo->req_rss_size &&
kinfo->req_rss_size <= max_rss_size) {
dev_info(&hdev->pdev->dev, "rss changes from %u to %u\n",
kinfo->rss_size, kinfo->req_rss_size);
kinfo->rss_size = kinfo->req_rss_size;
} else if (kinfo->rss_size > max_rss_size ||
(!kinfo->req_rss_size && kinfo->rss_size < max_rss_size)) {
/* Set to the maximum specification value (max_rss_size). */
kinfo->rss_size = max_rss_size;
}
}
static void hclge_tm_vport_tc_info_update(struct hclge_vport *vport)
{
struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
struct hclge_dev *hdev = vport->back;
u8 i;
hclge_tm_update_kinfo_rss_size(vport);
kinfo->num_tqps = hclge_vport_get_tqp_num(vport);
vport->dwrr = 100; /* 100 percent as init */
vport->bw_limit = hdev->tm_info.pg_info[0].bw_limit;
if (vport->vport_id == PF_VPORT_ID)
hdev->rss_cfg.rss_size = kinfo->rss_size;
/* when enable mqprio, the tc_info has been updated. */
if (kinfo->tc_info.mqprio_active)
return;
for (i = 0; i < HNAE3_MAX_TC; i++) {
if (hdev->hw_tc_map & BIT(i) && i < kinfo->tc_info.num_tc) {
kinfo->tc_info.tqp_offset[i] = i * kinfo->rss_size;
kinfo->tc_info.tqp_count[i] = kinfo->rss_size;
} else {
/* Set to default queue if TC is disable */
kinfo->tc_info.tqp_offset[i] = 0;
kinfo->tc_info.tqp_count[i] = 1;
}
}
memcpy(kinfo->tc_info.prio_tc, hdev->tm_info.prio_tc,
sizeof_field(struct hnae3_tc_info, prio_tc));
}
static void hclge_tm_vport_info_update(struct hclge_dev *hdev)
{
struct hclge_vport *vport = hdev->vport;
u32 i;
for (i = 0; i < hdev->num_alloc_vport; i++) {
hclge_tm_vport_tc_info_update(vport);
vport++;
}
}
static void hclge_tm_tc_info_init(struct hclge_dev *hdev)
{
u8 i, tc_sch_mode;
u32 bw_limit;
for (i = 0; i < hdev->tc_max; i++) {
if (i < hdev->tm_info.num_tc) {
tc_sch_mode = HCLGE_SCH_MODE_DWRR;
bw_limit = hdev->tm_info.pg_info[0].bw_limit;
} else {
tc_sch_mode = HCLGE_SCH_MODE_SP;
bw_limit = 0;
}
hdev->tm_info.tc_info[i].tc_id = i;
hdev->tm_info.tc_info[i].tc_sch_mode = tc_sch_mode;
hdev->tm_info.tc_info[i].pgid = 0;
hdev->tm_info.tc_info[i].bw_limit = bw_limit;
}
for (i = 0; i < HNAE3_MAX_USER_PRIO; i++)
hdev->tm_info.prio_tc[i] =
(i >= hdev->tm_info.num_tc) ? 0 : i;
}
static void hclge_tm_pg_info_init(struct hclge_dev *hdev)
{
#define BW_PERCENT 100
#define DEFAULT_BW_WEIGHT 1
u8 i;
for (i = 0; i < hdev->tm_info.num_pg; i++) {
int k;
hdev->tm_info.pg_dwrr[i] = i ? 0 : BW_PERCENT;
hdev->tm_info.pg_info[i].pg_id = i;
hdev->tm_info.pg_info[i].pg_sch_mode = HCLGE_SCH_MODE_DWRR;
hdev->tm_info.pg_info[i].bw_limit =
hdev->ae_dev->dev_specs.max_tm_rate;
if (i != 0)
continue;
hdev->tm_info.pg_info[i].tc_bit_map = hdev->hw_tc_map;
for (k = 0; k < hdev->tm_info.num_tc; k++)
hdev->tm_info.pg_info[i].tc_dwrr[k] = BW_PERCENT;
for (; k < HNAE3_MAX_TC; k++)
hdev->tm_info.pg_info[i].tc_dwrr[k] = DEFAULT_BW_WEIGHT;
}
}
static void hclge_update_fc_mode_by_dcb_flag(struct hclge_dev *hdev)
{
if (hdev->tm_info.num_tc == 1 && !hdev->tm_info.pfc_en) {
if (hdev->fc_mode_last_time == HCLGE_FC_PFC)
dev_warn(&hdev->pdev->dev,
"Only 1 tc used, but last mode is FC_PFC\n");
hdev->tm_info.fc_mode = hdev->fc_mode_last_time;
} else if (hdev->tm_info.fc_mode != HCLGE_FC_PFC) {
/* fc_mode_last_time record the last fc_mode when
* DCB is enabled, so that fc_mode can be set to
* the correct value when DCB is disabled.
*/
hdev->fc_mode_last_time = hdev->tm_info.fc_mode;
hdev->tm_info.fc_mode = HCLGE_FC_PFC;
}
}
static void hclge_update_fc_mode(struct hclge_dev *hdev)
{
if (!hdev->tm_info.pfc_en) {
hdev->tm_info.fc_mode = hdev->fc_mode_last_time;
return;
}
if (hdev->tm_info.fc_mode != HCLGE_FC_PFC) {
hdev->fc_mode_last_time = hdev->tm_info.fc_mode;
hdev->tm_info.fc_mode = HCLGE_FC_PFC;
}
}
void hclge_tm_pfc_info_update(struct hclge_dev *hdev)
{
if (hdev->ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V3)
hclge_update_fc_mode(hdev);
else
hclge_update_fc_mode_by_dcb_flag(hdev);
}
static void hclge_tm_schd_info_init(struct hclge_dev *hdev)
{
hclge_tm_pg_info_init(hdev);
hclge_tm_tc_info_init(hdev);
hclge_tm_vport_info_update(hdev);
hclge_tm_pfc_info_update(hdev);
}
static int hclge_tm_pg_to_pri_map(struct hclge_dev *hdev)
{
int ret;
u32 i;
if (hdev->tx_sch_mode != HCLGE_FLAG_TC_BASE_SCH_MODE)
return 0;
for (i = 0; i < hdev->tm_info.num_pg; i++) {
/* Cfg mapping */
ret = hclge_tm_pg_to_pri_map_cfg(
hdev, i, hdev->tm_info.pg_info[i].tc_bit_map);
if (ret)
return ret;
}
return 0;
}
static int hclge_tm_pg_shaper_cfg(struct hclge_dev *hdev)
{
u32 max_tm_rate = hdev->ae_dev->dev_specs.max_tm_rate;
struct hclge_shaper_ir_para ir_para;
u32 shaper_para;
int ret;
u32 i;
/* Cfg pg schd */
if (hdev->tx_sch_mode != HCLGE_FLAG_TC_BASE_SCH_MODE)
return 0;
/* Pg to pri */
for (i = 0; i < hdev->tm_info.num_pg; i++) {
u32 rate = hdev->tm_info.pg_info[i].bw_limit;
/* Calc shaper para */
ret = hclge_shaper_para_calc(rate, HCLGE_SHAPER_LVL_PG,
&ir_para, max_tm_rate);
if (ret)
return ret;
shaper_para = hclge_tm_get_shapping_para(0, 0, 0,
HCLGE_SHAPER_BS_U_DEF,
HCLGE_SHAPER_BS_S_DEF);
ret = hclge_tm_pg_shapping_cfg(hdev,
HCLGE_TM_SHAP_C_BUCKET, i,
shaper_para, rate);
if (ret)
return ret;
shaper_para = hclge_tm_get_shapping_para(ir_para.ir_b,
ir_para.ir_u,
ir_para.ir_s,
HCLGE_SHAPER_BS_U_DEF,
HCLGE_SHAPER_BS_S_DEF);
ret = hclge_tm_pg_shapping_cfg(hdev,
HCLGE_TM_SHAP_P_BUCKET, i,
shaper_para, rate);
if (ret)
return ret;
}
return 0;
}
static int hclge_tm_pg_dwrr_cfg(struct hclge_dev *hdev)
{
int ret;
u32 i;
/* cfg pg schd */
if (hdev->tx_sch_mode != HCLGE_FLAG_TC_BASE_SCH_MODE)
return 0;
/* pg to prio */
for (i = 0; i < hdev->tm_info.num_pg; i++) {
/* Cfg dwrr */
ret = hclge_tm_pg_weight_cfg(hdev, i, hdev->tm_info.pg_dwrr[i]);
if (ret)
return ret;
}
return 0;
}
static int hclge_vport_q_to_qs_map(struct hclge_dev *hdev,
struct hclge_vport *vport)
{
struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
struct hnae3_tc_info *tc_info = &kinfo->tc_info;
struct hnae3_queue **tqp = kinfo->tqp;
u32 i, j;
int ret;
for (i = 0; i < tc_info->num_tc; i++) {
for (j = 0; j < tc_info->tqp_count[i]; j++) {
struct hnae3_queue *q = tqp[tc_info->tqp_offset[i] + j];
ret = hclge_tm_q_to_qs_map_cfg(hdev,
hclge_get_queue_id(q),
vport->qs_offset + i);
if (ret)
return ret;
}
}
return 0;
}
static int hclge_tm_pri_q_qs_cfg_tc_base(struct hclge_dev *hdev)
{
struct hclge_vport *vport = hdev->vport;
u16 i, k;
int ret;
/* Cfg qs -> pri mapping, one by one mapping */
for (k = 0; k < hdev->num_alloc_vport; k++) {
struct hnae3_knic_private_info *kinfo = &vport[k].nic.kinfo;
for (i = 0; i < kinfo->tc_info.max_tc; i++) {
u8 pri = i < kinfo->tc_info.num_tc ? i : 0;
bool link_vld = i < kinfo->tc_info.num_tc;
ret = hclge_tm_qs_to_pri_map_cfg(hdev,
vport[k].qs_offset + i,
pri, link_vld);
if (ret)
return ret;
}
}
return 0;
}
static int hclge_tm_pri_q_qs_cfg_vnet_base(struct hclge_dev *hdev)
{
struct hclge_vport *vport = hdev->vport;
u16 i, k;
int ret;
/* Cfg qs -> pri mapping, qs = tc, pri = vf, 8 qs -> 1 pri */
for (k = 0; k < hdev->num_alloc_vport; k++)
for (i = 0; i < HNAE3_MAX_TC; i++) {
ret = hclge_tm_qs_to_pri_map_cfg(hdev,
vport[k].qs_offset + i,
k, true);
if (ret)
return ret;
}
return 0;
}
static int hclge_tm_pri_q_qs_cfg(struct hclge_dev *hdev)
{
struct hclge_vport *vport = hdev->vport;
int ret;
u32 i;
if (hdev->tx_sch_mode == HCLGE_FLAG_TC_BASE_SCH_MODE)
ret = hclge_tm_pri_q_qs_cfg_tc_base(hdev);
else if (hdev->tx_sch_mode == HCLGE_FLAG_VNET_BASE_SCH_MODE)
ret = hclge_tm_pri_q_qs_cfg_vnet_base(hdev);
else
return -EINVAL;
if (ret)
return ret;
/* Cfg q -> qs mapping */
for (i = 0; i < hdev->num_alloc_vport; i++) {
ret = hclge_vport_q_to_qs_map(hdev, vport);
if (ret)
return ret;
vport++;
}
return 0;
}
static int hclge_tm_pri_tc_base_shaper_cfg(struct hclge_dev *hdev)
{
u32 max_tm_rate = hdev->ae_dev->dev_specs.max_tm_rate;
struct hclge_shaper_ir_para ir_para;
u32 shaper_para_c, shaper_para_p;
int ret;
u32 i;
for (i = 0; i < hdev->tc_max; i++) {
u32 rate = hdev->tm_info.tc_info[i].bw_limit;
if (rate) {
ret = hclge_shaper_para_calc(rate, HCLGE_SHAPER_LVL_PRI,
&ir_para, max_tm_rate);
if (ret)
return ret;
shaper_para_c = hclge_tm_get_shapping_para(0, 0, 0,
HCLGE_SHAPER_BS_U_DEF,
HCLGE_SHAPER_BS_S_DEF);
shaper_para_p = hclge_tm_get_shapping_para(ir_para.ir_b,
ir_para.ir_u,
ir_para.ir_s,
HCLGE_SHAPER_BS_U_DEF,
HCLGE_SHAPER_BS_S_DEF);
} else {
shaper_para_c = 0;
shaper_para_p = 0;
}
ret = hclge_tm_pri_shapping_cfg(hdev, HCLGE_TM_SHAP_C_BUCKET, i,
shaper_para_c, rate);
if (ret)
return ret;
ret = hclge_tm_pri_shapping_cfg(hdev, HCLGE_TM_SHAP_P_BUCKET, i,
shaper_para_p, rate);
if (ret)
return ret;
}
return 0;
}
static int hclge_tm_pri_vnet_base_shaper_pri_cfg(struct hclge_vport *vport)
{
struct hclge_dev *hdev = vport->back;
struct hclge_shaper_ir_para ir_para;
u32 shaper_para;
int ret;
ret = hclge_shaper_para_calc(vport->bw_limit, HCLGE_SHAPER_LVL_VF,
&ir_para,
hdev->ae_dev->dev_specs.max_tm_rate);
if (ret)
return ret;
shaper_para = hclge_tm_get_shapping_para(0, 0, 0,
HCLGE_SHAPER_BS_U_DEF,
HCLGE_SHAPER_BS_S_DEF);
ret = hclge_tm_pri_shapping_cfg(hdev, HCLGE_TM_SHAP_C_BUCKET,
vport->vport_id, shaper_para,
vport->bw_limit);
if (ret)
return ret;
shaper_para = hclge_tm_get_shapping_para(ir_para.ir_b, ir_para.ir_u,
ir_para.ir_s,
HCLGE_SHAPER_BS_U_DEF,
HCLGE_SHAPER_BS_S_DEF);
ret = hclge_tm_pri_shapping_cfg(hdev, HCLGE_TM_SHAP_P_BUCKET,
vport->vport_id, shaper_para,
vport->bw_limit);
if (ret)
return ret;
return 0;
}
static int hclge_tm_pri_vnet_base_shaper_qs_cfg(struct hclge_vport *vport)
{
struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
struct hclge_dev *hdev = vport->back;
u32 max_tm_rate = hdev->ae_dev->dev_specs.max_tm_rate;
struct hclge_shaper_ir_para ir_para;
u32 i;
int ret;
for (i = 0; i < kinfo->tc_info.num_tc; i++) {
ret = hclge_shaper_para_calc(hdev->tm_info.tc_info[i].bw_limit,
HCLGE_SHAPER_LVL_QSET,
&ir_para, max_tm_rate);
if (ret)
return ret;
}
return 0;
}
static int hclge_tm_pri_vnet_base_shaper_cfg(struct hclge_dev *hdev)
{
struct hclge_vport *vport = hdev->vport;
int ret;
u32 i;
/* Need config vport shaper */
for (i = 0; i < hdev->num_alloc_vport; i++) {
ret = hclge_tm_pri_vnet_base_shaper_pri_cfg(vport);
if (ret)
return ret;
ret = hclge_tm_pri_vnet_base_shaper_qs_cfg(vport);
if (ret)
return ret;
vport++;
}
return 0;
}
static int hclge_tm_pri_shaper_cfg(struct hclge_dev *hdev)
{
int ret;
if (hdev->tx_sch_mode == HCLGE_FLAG_TC_BASE_SCH_MODE) {
ret = hclge_tm_pri_tc_base_shaper_cfg(hdev);
if (ret)
return ret;
} else {
ret = hclge_tm_pri_vnet_base_shaper_cfg(hdev);
if (ret)
return ret;
}
return 0;
}
static int hclge_tm_pri_tc_base_dwrr_cfg(struct hclge_dev *hdev)
{
struct hclge_vport *vport = hdev->vport;
struct hclge_pg_info *pg_info;
u8 dwrr;
int ret;
u32 i, k;
for (i = 0; i < hdev->tc_max; i++) {
pg_info =
&hdev->tm_info.pg_info[hdev->tm_info.tc_info[i].pgid];
dwrr = pg_info->tc_dwrr[i];
ret = hclge_tm_pri_weight_cfg(hdev, i, dwrr);
if (ret)
return ret;
for (k = 0; k < hdev->num_alloc_vport; k++) {
struct hnae3_knic_private_info *kinfo = &vport[k].nic.kinfo;
if (i >= kinfo->tc_info.max_tc)
continue;
dwrr = i < kinfo->tc_info.num_tc ? vport[k].dwrr : 0;
ret = hclge_tm_qs_weight_cfg(
hdev, vport[k].qs_offset + i,
dwrr);
if (ret)
return ret;
}
}
return 0;
}
static int hclge_tm_ets_tc_dwrr_cfg(struct hclge_dev *hdev)
{
#define DEFAULT_TC_OFFSET 14
struct hclge_ets_tc_weight_cmd *ets_weight;
struct hclge_desc desc;
unsigned int i;
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_ETS_TC_WEIGHT, false);
ets_weight = (struct hclge_ets_tc_weight_cmd *)desc.data;
for (i = 0; i < HNAE3_MAX_TC; i++) {
struct hclge_pg_info *pg_info;
pg_info = &hdev->tm_info.pg_info[hdev->tm_info.tc_info[i].pgid];
ets_weight->tc_weight[i] = pg_info->tc_dwrr[i];
}
ets_weight->weight_offset = DEFAULT_TC_OFFSET;
return hclge_cmd_send(&hdev->hw, &desc, 1);
}
static int hclge_tm_pri_vnet_base_dwrr_pri_cfg(struct hclge_vport *vport)
{
struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
struct hclge_dev *hdev = vport->back;
int ret;
u8 i;
/* Vf dwrr */
ret = hclge_tm_pri_weight_cfg(hdev, vport->vport_id, vport->dwrr);
if (ret)
return ret;
/* Qset dwrr */
for (i = 0; i < kinfo->tc_info.num_tc; i++) {
ret = hclge_tm_qs_weight_cfg(
hdev, vport->qs_offset + i,
hdev->tm_info.pg_info[0].tc_dwrr[i]);
if (ret)
return ret;
}
return 0;
}
static int hclge_tm_pri_vnet_base_dwrr_cfg(struct hclge_dev *hdev)
{
struct hclge_vport *vport = hdev->vport;
int ret;
u32 i;
for (i = 0; i < hdev->num_alloc_vport; i++) {
ret = hclge_tm_pri_vnet_base_dwrr_pri_cfg(vport);
if (ret)
return ret;
vport++;
}
return 0;
}
static int hclge_tm_pri_dwrr_cfg(struct hclge_dev *hdev)
{
int ret;
if (hdev->tx_sch_mode == HCLGE_FLAG_TC_BASE_SCH_MODE) {
ret = hclge_tm_pri_tc_base_dwrr_cfg(hdev);
if (ret)
return ret;
if (!hnae3_dev_dcb_supported(hdev))
return 0;
ret = hclge_tm_ets_tc_dwrr_cfg(hdev);
if (ret == -EOPNOTSUPP) {
dev_warn(&hdev->pdev->dev,
"fw %08x doesn't support ets tc weight cmd\n",
hdev->fw_version);
ret = 0;
}
return ret;
} else {
ret = hclge_tm_pri_vnet_base_dwrr_cfg(hdev);
if (ret)
return ret;
}
return 0;
}
static int hclge_tm_map_cfg(struct hclge_dev *hdev)
{
int ret;
ret = hclge_up_to_tc_map(hdev);
if (ret)
return ret;
if (hdev->vport[0].nic.kinfo.tc_map_mode == HNAE3_TC_MAP_MODE_DSCP) {
ret = hclge_dscp_to_tc_map(hdev);
if (ret)
return ret;
}
ret = hclge_tm_pg_to_pri_map(hdev);
if (ret)
return ret;
return hclge_tm_pri_q_qs_cfg(hdev);
}
static int hclge_tm_shaper_cfg(struct hclge_dev *hdev)
{
int ret;
ret = hclge_tm_port_shaper_cfg(hdev);
if (ret)
return ret;
ret = hclge_tm_pg_shaper_cfg(hdev);
if (ret)
return ret;
return hclge_tm_pri_shaper_cfg(hdev);
}
int hclge_tm_dwrr_cfg(struct hclge_dev *hdev)
{
int ret;
ret = hclge_tm_pg_dwrr_cfg(hdev);
if (ret)
return ret;
return hclge_tm_pri_dwrr_cfg(hdev);
}
static int hclge_tm_lvl2_schd_mode_cfg(struct hclge_dev *hdev)
{
int ret;
u8 i;
/* Only being config on TC-Based scheduler mode */
if (hdev->tx_sch_mode == HCLGE_FLAG_VNET_BASE_SCH_MODE)
return 0;
for (i = 0; i < hdev->tm_info.num_pg; i++) {
ret = hclge_tm_pg_schd_mode_cfg(hdev, i);
if (ret)
return ret;
}
return 0;
}
static int hclge_tm_schd_mode_tc_base_cfg(struct hclge_dev *hdev, u8 pri_id)
{
struct hclge_vport *vport = hdev->vport;
int ret;
u8 mode;
u16 i;
ret = hclge_tm_pri_schd_mode_cfg(hdev, pri_id);
if (ret)
return ret;
for (i = 0; i < hdev->num_alloc_vport; i++) {
struct hnae3_knic_private_info *kinfo = &vport[i].nic.kinfo;
if (pri_id >= kinfo->tc_info.max_tc)
continue;
mode = pri_id < kinfo->tc_info.num_tc ? HCLGE_SCH_MODE_DWRR :
HCLGE_SCH_MODE_SP;
ret = hclge_tm_qs_schd_mode_cfg(hdev,
vport[i].qs_offset + pri_id,
mode);
if (ret)
return ret;
}
return 0;
}
static int hclge_tm_schd_mode_vnet_base_cfg(struct hclge_vport *vport)
{
struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
struct hclge_dev *hdev = vport->back;
int ret;
u8 i;
if (vport->vport_id >= HNAE3_MAX_TC)
return -EINVAL;
ret = hclge_tm_pri_schd_mode_cfg(hdev, vport->vport_id);
if (ret)
return ret;
for (i = 0; i < kinfo->tc_info.num_tc; i++) {
u8 sch_mode = hdev->tm_info.tc_info[i].tc_sch_mode;
ret = hclge_tm_qs_schd_mode_cfg(hdev, vport->qs_offset + i,
sch_mode);
if (ret)
return ret;
}
return 0;
}
static int hclge_tm_lvl34_schd_mode_cfg(struct hclge_dev *hdev)
{
struct hclge_vport *vport = hdev->vport;
int ret;
u8 i;
if (hdev->tx_sch_mode == HCLGE_FLAG_TC_BASE_SCH_MODE) {
for (i = 0; i < hdev->tc_max; i++) {
ret = hclge_tm_schd_mode_tc_base_cfg(hdev, i);
if (ret)
return ret;
}
} else {
for (i = 0; i < hdev->num_alloc_vport; i++) {
ret = hclge_tm_schd_mode_vnet_base_cfg(vport);
if (ret)
return ret;
vport++;
}
}
return 0;
}
static int hclge_tm_schd_mode_hw(struct hclge_dev *hdev)
{
int ret;
ret = hclge_tm_lvl2_schd_mode_cfg(hdev);
if (ret)
return ret;
return hclge_tm_lvl34_schd_mode_cfg(hdev);
}
int hclge_tm_schd_setup_hw(struct hclge_dev *hdev)
{
int ret;
/* Cfg tm mapping */
ret = hclge_tm_map_cfg(hdev);
if (ret)
return ret;
/* Cfg tm shaper */
ret = hclge_tm_shaper_cfg(hdev);
if (ret)
return ret;
/* Cfg dwrr */
ret = hclge_tm_dwrr_cfg(hdev);
if (ret)
return ret;
/* Cfg schd mode for each level schd */
return hclge_tm_schd_mode_hw(hdev);
}
static int hclge_pause_param_setup_hw(struct hclge_dev *hdev)
{
struct hclge_mac *mac = &hdev->hw.mac;
return hclge_pause_param_cfg(hdev, mac->mac_addr,
HCLGE_DEFAULT_PAUSE_TRANS_GAP,
HCLGE_DEFAULT_PAUSE_TRANS_TIME);
}
static int hclge_pfc_setup_hw(struct hclge_dev *hdev)
{
u8 enable_bitmap = 0;
if (hdev->tm_info.fc_mode == HCLGE_FC_PFC)
enable_bitmap = HCLGE_TX_MAC_PAUSE_EN_MSK |
HCLGE_RX_MAC_PAUSE_EN_MSK;
return hclge_pfc_pause_en_cfg(hdev, enable_bitmap,
hdev->tm_info.pfc_en);
}
/* for the queues that use for backpress, divides to several groups,
* each group contains 32 queue sets, which can be represented by u32 bitmap.
*/
static int hclge_bp_setup_hw(struct hclge_dev *hdev, u8 tc)
{
u16 grp_id_shift = HCLGE_BP_GRP_ID_S;
u16 grp_id_mask = HCLGE_BP_GRP_ID_M;
u8 grp_num = HCLGE_BP_GRP_NUM;
int i;
if (hdev->num_tqps > HCLGE_TQP_MAX_SIZE_DEV_V2) {
grp_num = HCLGE_BP_EXT_GRP_NUM;
grp_id_mask = HCLGE_BP_EXT_GRP_ID_M;
grp_id_shift = HCLGE_BP_EXT_GRP_ID_S;
}
for (i = 0; i < grp_num; i++) {
u32 qs_bitmap = 0;
int k, ret;
for (k = 0; k < hdev->num_alloc_vport; k++) {
struct hclge_vport *vport = &hdev->vport[k];
u16 qs_id = vport->qs_offset + tc;
u8 grp, sub_grp;
grp = hnae3_get_field(qs_id, grp_id_mask, grp_id_shift);
sub_grp = hnae3_get_field(qs_id, HCLGE_BP_SUB_GRP_ID_M,
HCLGE_BP_SUB_GRP_ID_S);
if (i == grp)
qs_bitmap |= (1 << sub_grp);
}
ret = hclge_tm_qs_bp_cfg(hdev, tc, i, qs_bitmap);
if (ret)
return ret;
}
return 0;
}
int hclge_mac_pause_setup_hw(struct hclge_dev *hdev)
{
bool tx_en, rx_en;
switch (hdev->tm_info.fc_mode) {
case HCLGE_FC_NONE:
tx_en = false;
rx_en = false;
break;
case HCLGE_FC_RX_PAUSE:
tx_en = false;
rx_en = true;
break;
case HCLGE_FC_TX_PAUSE:
tx_en = true;
rx_en = false;
break;
case HCLGE_FC_FULL:
tx_en = true;
rx_en = true;
break;
case HCLGE_FC_PFC:
tx_en = false;
rx_en = false;
break;
default:
tx_en = true;
rx_en = true;
}
return hclge_mac_pause_en_cfg(hdev, tx_en, rx_en);
}
static int hclge_tm_bp_setup(struct hclge_dev *hdev)
{
int ret;
int i;
for (i = 0; i < hdev->tm_info.num_tc; i++) {
ret = hclge_bp_setup_hw(hdev, i);
if (ret)
return ret;
}
return 0;
}
int hclge_pause_setup_hw(struct hclge_dev *hdev, bool init)
{
int ret;
ret = hclge_pause_param_setup_hw(hdev);
if (ret)
return ret;
ret = hclge_mac_pause_setup_hw(hdev);
if (ret)
return ret;
/* Only DCB-supported dev supports qset back pressure and pfc cmd */
if (!hnae3_dev_dcb_supported(hdev))
return 0;
/* GE MAC does not support PFC, when driver is initializing and MAC
* is in GE Mode, ignore the error here, otherwise initialization
* will fail.
*/
ret = hclge_pfc_setup_hw(hdev);
if (init && ret == -EOPNOTSUPP)
dev_warn(&hdev->pdev->dev, "GE MAC does not support pfc\n");
else if (ret) {
dev_err(&hdev->pdev->dev, "config pfc failed! ret = %d\n",
ret);
return ret;
}
return hclge_tm_bp_setup(hdev);
}
void hclge_tm_prio_tc_info_update(struct hclge_dev *hdev, u8 *prio_tc)
{
struct hclge_vport *vport = hdev->vport;
struct hnae3_knic_private_info *kinfo;
u32 i, k;
for (i = 0; i < HNAE3_MAX_USER_PRIO; i++) {
hdev->tm_info.prio_tc[i] = prio_tc[i];
for (k = 0; k < hdev->num_alloc_vport; k++) {
kinfo = &vport[k].nic.kinfo;
kinfo->tc_info.prio_tc[i] = prio_tc[i];
}
}
}
void hclge_tm_schd_info_update(struct hclge_dev *hdev, u8 num_tc)
{
u8 bit_map = 0;
u8 i;
hdev->tm_info.num_tc = num_tc;
for (i = 0; i < hdev->tm_info.num_tc; i++)
bit_map |= BIT(i);
if (!bit_map) {
bit_map = 1;
hdev->tm_info.num_tc = 1;
}
hdev->hw_tc_map = bit_map;
hclge_tm_schd_info_init(hdev);
}
int hclge_tm_init_hw(struct hclge_dev *hdev, bool init)
{
int ret;
if ((hdev->tx_sch_mode != HCLGE_FLAG_TC_BASE_SCH_MODE) &&
(hdev->tx_sch_mode != HCLGE_FLAG_VNET_BASE_SCH_MODE))
return -ENOTSUPP;
ret = hclge_tm_schd_setup_hw(hdev);
if (ret)
return ret;
ret = hclge_pause_setup_hw(hdev, init);
if (ret)
return ret;
return 0;
}
int hclge_tm_schd_init(struct hclge_dev *hdev)
{
/* fc_mode is HCLGE_FC_FULL on reset */
hdev->tm_info.fc_mode = HCLGE_FC_FULL;
hdev->fc_mode_last_time = hdev->tm_info.fc_mode;
if (hdev->tx_sch_mode != HCLGE_FLAG_TC_BASE_SCH_MODE &&
hdev->tm_info.num_pg != 1)
return -EINVAL;
hclge_tm_schd_info_init(hdev);
hclge_dscp_to_prio_map_init(hdev);
return hclge_tm_init_hw(hdev, true);
}
int hclge_tm_vport_map_update(struct hclge_dev *hdev)
{
struct hclge_vport *vport = hdev->vport;
int ret;
hclge_tm_vport_tc_info_update(vport);
ret = hclge_vport_q_to_qs_map(hdev, vport);
if (ret)
return ret;
if (hdev->tm_info.num_tc == 1 && !hdev->tm_info.pfc_en)
return 0;
return hclge_tm_bp_setup(hdev);
}
int hclge_tm_get_qset_num(struct hclge_dev *hdev, u16 *qset_num)
{
struct hclge_tm_nodes_cmd *nodes;
struct hclge_desc desc;
int ret;
if (hdev->ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2) {
/* Each PF has 8 qsets and each VF has 1 qset */
*qset_num = HCLGE_TM_PF_MAX_QSET_NUM + pci_num_vf(hdev->pdev);
return 0;
}
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_NODES, true);
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret) {
dev_err(&hdev->pdev->dev,
"failed to get qset num, ret = %d\n", ret);
return ret;
}
nodes = (struct hclge_tm_nodes_cmd *)desc.data;
*qset_num = le16_to_cpu(nodes->qset_num);
return 0;
}
int hclge_tm_get_pri_num(struct hclge_dev *hdev, u8 *pri_num)
{
struct hclge_tm_nodes_cmd *nodes;
struct hclge_desc desc;
int ret;
if (hdev->ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2) {
*pri_num = HCLGE_TM_PF_MAX_PRI_NUM;
return 0;
}
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_NODES, true);
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret) {
dev_err(&hdev->pdev->dev,
"failed to get pri num, ret = %d\n", ret);
return ret;
}
nodes = (struct hclge_tm_nodes_cmd *)desc.data;
*pri_num = nodes->pri_num;
return 0;
}
int hclge_tm_get_qset_map_pri(struct hclge_dev *hdev, u16 qset_id, u8 *priority,
u8 *link_vld)
{
struct hclge_qs_to_pri_link_cmd *map;
struct hclge_desc desc;
int ret;
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_QS_TO_PRI_LINK, true);
map = (struct hclge_qs_to_pri_link_cmd *)desc.data;
map->qs_id = cpu_to_le16(qset_id);
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret) {
dev_err(&hdev->pdev->dev,
"failed to get qset map priority, ret = %d\n", ret);
return ret;
}
*priority = map->priority;
*link_vld = map->link_vld;
return 0;
}
int hclge_tm_get_qset_sch_mode(struct hclge_dev *hdev, u16 qset_id, u8 *mode)
{
struct hclge_qs_sch_mode_cfg_cmd *qs_sch_mode;
struct hclge_desc desc;
int ret;
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_QS_SCH_MODE_CFG, true);
qs_sch_mode = (struct hclge_qs_sch_mode_cfg_cmd *)desc.data;
qs_sch_mode->qs_id = cpu_to_le16(qset_id);
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret) {
dev_err(&hdev->pdev->dev,
"failed to get qset sch mode, ret = %d\n", ret);
return ret;
}
*mode = qs_sch_mode->sch_mode;
return 0;
}
int hclge_tm_get_qset_weight(struct hclge_dev *hdev, u16 qset_id, u8 *weight)
{
struct hclge_qs_weight_cmd *qs_weight;
struct hclge_desc desc;
int ret;
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_QS_WEIGHT, true);
qs_weight = (struct hclge_qs_weight_cmd *)desc.data;
qs_weight->qs_id = cpu_to_le16(qset_id);
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret) {
dev_err(&hdev->pdev->dev,
"failed to get qset weight, ret = %d\n", ret);
return ret;
}
*weight = qs_weight->dwrr;
return 0;
}
int hclge_tm_get_qset_shaper(struct hclge_dev *hdev, u16 qset_id,
struct hclge_tm_shaper_para *para)
{
struct hclge_qs_shapping_cmd *shap_cfg_cmd;
struct hclge_desc desc;
u32 shapping_para;
int ret;
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_QCN_SHAPPING_CFG, true);
shap_cfg_cmd = (struct hclge_qs_shapping_cmd *)desc.data;
shap_cfg_cmd->qs_id = cpu_to_le16(qset_id);
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret) {
dev_err(&hdev->pdev->dev,
"failed to get qset %u shaper, ret = %d\n", qset_id,
ret);
return ret;
}
shapping_para = le32_to_cpu(shap_cfg_cmd->qs_shapping_para);
para->ir_b = hclge_tm_get_field(shapping_para, IR_B);
para->ir_u = hclge_tm_get_field(shapping_para, IR_U);
para->ir_s = hclge_tm_get_field(shapping_para, IR_S);
para->bs_b = hclge_tm_get_field(shapping_para, BS_B);
para->bs_s = hclge_tm_get_field(shapping_para, BS_S);
para->flag = shap_cfg_cmd->flag;
para->rate = le32_to_cpu(shap_cfg_cmd->qs_rate);
return 0;
}
int hclge_tm_get_pri_sch_mode(struct hclge_dev *hdev, u8 pri_id, u8 *mode)
{
struct hclge_pri_sch_mode_cfg_cmd *pri_sch_mode;
struct hclge_desc desc;
int ret;
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_PRI_SCH_MODE_CFG, true);
pri_sch_mode = (struct hclge_pri_sch_mode_cfg_cmd *)desc.data;
pri_sch_mode->pri_id = pri_id;
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret) {
dev_err(&hdev->pdev->dev,
"failed to get priority sch mode, ret = %d\n", ret);
return ret;
}
*mode = pri_sch_mode->sch_mode;
return 0;
}
int hclge_tm_get_pri_weight(struct hclge_dev *hdev, u8 pri_id, u8 *weight)
{
struct hclge_priority_weight_cmd *priority_weight;
struct hclge_desc desc;
int ret;
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_PRI_WEIGHT, true);
priority_weight = (struct hclge_priority_weight_cmd *)desc.data;
priority_weight->pri_id = pri_id;
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret) {
dev_err(&hdev->pdev->dev,
"failed to get priority weight, ret = %d\n", ret);
return ret;
}
*weight = priority_weight->dwrr;
return 0;
}
int hclge_tm_get_pri_shaper(struct hclge_dev *hdev, u8 pri_id,
enum hclge_opcode_type cmd,
struct hclge_tm_shaper_para *para)
{
struct hclge_pri_shapping_cmd *shap_cfg_cmd;
struct hclge_desc desc;
u32 shapping_para;
int ret;
if (cmd != HCLGE_OPC_TM_PRI_C_SHAPPING &&
cmd != HCLGE_OPC_TM_PRI_P_SHAPPING)
return -EINVAL;
hclge_cmd_setup_basic_desc(&desc, cmd, true);
shap_cfg_cmd = (struct hclge_pri_shapping_cmd *)desc.data;
shap_cfg_cmd->pri_id = pri_id;
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret) {
dev_err(&hdev->pdev->dev,
"failed to get priority shaper(%#x), ret = %d\n",
cmd, ret);
return ret;
}
shapping_para = le32_to_cpu(shap_cfg_cmd->pri_shapping_para);
para->ir_b = hclge_tm_get_field(shapping_para, IR_B);
para->ir_u = hclge_tm_get_field(shapping_para, IR_U);
para->ir_s = hclge_tm_get_field(shapping_para, IR_S);
para->bs_b = hclge_tm_get_field(shapping_para, BS_B);
para->bs_s = hclge_tm_get_field(shapping_para, BS_S);
para->flag = shap_cfg_cmd->flag;
para->rate = le32_to_cpu(shap_cfg_cmd->pri_rate);
return 0;
}
int hclge_tm_get_q_to_qs_map(struct hclge_dev *hdev, u16 q_id, u16 *qset_id)
{
struct hclge_nq_to_qs_link_cmd *map;
struct hclge_desc desc;
u16 qs_id_l;
u16 qs_id_h;
int ret;
map = (struct hclge_nq_to_qs_link_cmd *)desc.data;
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_NQ_TO_QS_LINK, true);
map->nq_id = cpu_to_le16(q_id);
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret) {
dev_err(&hdev->pdev->dev,
"failed to get queue to qset map, ret = %d\n", ret);
return ret;
}
*qset_id = le16_to_cpu(map->qset_id);
/* convert qset_id to the following format, drop the vld bit
* | qs_id_h | vld | qs_id_l |
* qset_id: | 15 ~ 11 | 10 | 9 ~ 0 |
* \ \ / /
* \ \ / /
* qset_id: | 15 | 14 ~ 10 | 9 ~ 0 |
*/
qs_id_l = hnae3_get_field(*qset_id, HCLGE_TM_QS_ID_L_MSK,
HCLGE_TM_QS_ID_L_S);
qs_id_h = hnae3_get_field(*qset_id, HCLGE_TM_QS_ID_H_EXT_MSK,
HCLGE_TM_QS_ID_H_EXT_S);
*qset_id = 0;
hnae3_set_field(*qset_id, HCLGE_TM_QS_ID_L_MSK, HCLGE_TM_QS_ID_L_S,
qs_id_l);
hnae3_set_field(*qset_id, HCLGE_TM_QS_ID_H_MSK, HCLGE_TM_QS_ID_H_S,
qs_id_h);
return 0;
}
int hclge_tm_get_q_to_tc(struct hclge_dev *hdev, u16 q_id, u8 *tc_id)
{
#define HCLGE_TM_TC_MASK 0x7
struct hclge_tqp_tx_queue_tc_cmd *tc;
struct hclge_desc desc;
int ret;
tc = (struct hclge_tqp_tx_queue_tc_cmd *)desc.data;
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TQP_TX_QUEUE_TC, true);
tc->queue_id = cpu_to_le16(q_id);
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret) {
dev_err(&hdev->pdev->dev,
"failed to get queue to tc map, ret = %d\n", ret);
return ret;
}
*tc_id = tc->tc_id & HCLGE_TM_TC_MASK;
return 0;
}
int hclge_tm_get_pg_to_pri_map(struct hclge_dev *hdev, u8 pg_id,
u8 *pri_bit_map)
{
struct hclge_pg_to_pri_link_cmd *map;
struct hclge_desc desc;
int ret;
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_PG_TO_PRI_LINK, true);
map = (struct hclge_pg_to_pri_link_cmd *)desc.data;
map->pg_id = pg_id;
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret) {
dev_err(&hdev->pdev->dev,
"failed to get pg to pri map, ret = %d\n", ret);
return ret;
}
*pri_bit_map = map->pri_bit_map;
return 0;
}
int hclge_tm_get_pg_weight(struct hclge_dev *hdev, u8 pg_id, u8 *weight)
{
struct hclge_pg_weight_cmd *pg_weight_cmd;
struct hclge_desc desc;
int ret;
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_PG_WEIGHT, true);
pg_weight_cmd = (struct hclge_pg_weight_cmd *)desc.data;
pg_weight_cmd->pg_id = pg_id;
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret) {
dev_err(&hdev->pdev->dev,
"failed to get pg weight, ret = %d\n", ret);
return ret;
}
*weight = pg_weight_cmd->dwrr;
return 0;
}
int hclge_tm_get_pg_sch_mode(struct hclge_dev *hdev, u8 pg_id, u8 *mode)
{
struct hclge_desc desc;
int ret;
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_PG_SCH_MODE_CFG, true);
desc.data[0] = cpu_to_le32(pg_id);
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret) {
dev_err(&hdev->pdev->dev,
"failed to get pg sch mode, ret = %d\n", ret);
return ret;
}
*mode = (u8)le32_to_cpu(desc.data[1]);
return 0;
}
int hclge_tm_get_pg_shaper(struct hclge_dev *hdev, u8 pg_id,
enum hclge_opcode_type cmd,
struct hclge_tm_shaper_para *para)
{
struct hclge_pg_shapping_cmd *shap_cfg_cmd;
struct hclge_desc desc;
u32 shapping_para;
int ret;
if (cmd != HCLGE_OPC_TM_PG_C_SHAPPING &&
cmd != HCLGE_OPC_TM_PG_P_SHAPPING)
return -EINVAL;
hclge_cmd_setup_basic_desc(&desc, cmd, true);
shap_cfg_cmd = (struct hclge_pg_shapping_cmd *)desc.data;
shap_cfg_cmd->pg_id = pg_id;
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret) {
dev_err(&hdev->pdev->dev,
"failed to get pg shaper(%#x), ret = %d\n",
cmd, ret);
return ret;
}
shapping_para = le32_to_cpu(shap_cfg_cmd->pg_shapping_para);
para->ir_b = hclge_tm_get_field(shapping_para, IR_B);
para->ir_u = hclge_tm_get_field(shapping_para, IR_U);
para->ir_s = hclge_tm_get_field(shapping_para, IR_S);
para->bs_b = hclge_tm_get_field(shapping_para, BS_B);
para->bs_s = hclge_tm_get_field(shapping_para, BS_S);
para->flag = shap_cfg_cmd->flag;
para->rate = le32_to_cpu(shap_cfg_cmd->pg_rate);
return 0;
}
int hclge_tm_get_port_shaper(struct hclge_dev *hdev,
struct hclge_tm_shaper_para *para)
{
struct hclge_port_shapping_cmd *port_shap_cfg_cmd;
struct hclge_desc desc;
u32 shapping_para;
int ret;
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_PORT_SHAPPING, true);
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret) {
dev_err(&hdev->pdev->dev,
"failed to get port shaper, ret = %d\n", ret);
return ret;
}
port_shap_cfg_cmd = (struct hclge_port_shapping_cmd *)desc.data;
shapping_para = le32_to_cpu(port_shap_cfg_cmd->port_shapping_para);
para->ir_b = hclge_tm_get_field(shapping_para, IR_B);
para->ir_u = hclge_tm_get_field(shapping_para, IR_U);
para->ir_s = hclge_tm_get_field(shapping_para, IR_S);
para->bs_b = hclge_tm_get_field(shapping_para, BS_B);
para->bs_s = hclge_tm_get_field(shapping_para, BS_S);
para->flag = port_shap_cfg_cmd->flag;
para->rate = le32_to_cpu(port_shap_cfg_cmd->port_rate);
return 0;
}