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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c')
-rw-r--r-- | drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c | 1505 |
1 files changed, 1505 insertions, 0 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c new file mode 100644 index 000000000..8c5c5562c --- /dev/null +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c @@ -0,0 +1,1505 @@ +// 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 DIVISOR_CLK (1000 * 8) +#define DIVISOR_IR_B_126 (126 * 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 = (DIVISOR_IR_B_126 + (tick >> 1) - 1) / tick; + + if (ir_calc == ir) { + ir_para->ir_b = 126; + 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 = DIVISOR_IR_B_126 / (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 = DIVISOR_IR_B_126 * (1 << ir_u_calc); + ir_calc = (numerator + (tick >> 1)) / tick; + } + + if (ir_calc == ir) { + ir_para->ir_b = 126; + } 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 int hclge_pfc_stats_get(struct hclge_dev *hdev, + enum hclge_opcode_type opcode, u64 *stats) +{ + struct hclge_desc desc[HCLGE_TM_PFC_PKT_GET_CMD_NUM]; + int ret, i, j; + + if (!(opcode == HCLGE_OPC_QUERY_PFC_RX_PKT_CNT || + opcode == HCLGE_OPC_QUERY_PFC_TX_PKT_CNT)) + return -EINVAL; + + for (i = 0; i < HCLGE_TM_PFC_PKT_GET_CMD_NUM - 1; i++) { + hclge_cmd_setup_basic_desc(&desc[i], opcode, true); + desc[i].flag |= cpu_to_le16(HCLGE_CMD_FLAG_NEXT); + } + + hclge_cmd_setup_basic_desc(&desc[i], opcode, true); + + ret = hclge_cmd_send(&hdev->hw, desc, HCLGE_TM_PFC_PKT_GET_CMD_NUM); + if (ret) + return ret; + + for (i = 0; i < HCLGE_TM_PFC_PKT_GET_CMD_NUM; i++) { + struct hclge_pfc_stats_cmd *pfc_stats = + (struct hclge_pfc_stats_cmd *)desc[i].data; + + for (j = 0; j < HCLGE_TM_PFC_NUM_GET_PER_CMD; j++) { + u32 index = i * HCLGE_TM_PFC_PKT_GET_CMD_NUM + j; + + if (index < HCLGE_MAX_TC_NUM) + stats[index] = + le64_to_cpu(pfc_stats->pkt_num[j]); + } + } + return 0; +} + +int hclge_pfc_rx_stats_get(struct hclge_dev *hdev, u64 *stats) +{ + return hclge_pfc_stats_get(hdev, HCLGE_OPC_QUERY_PFC_RX_PKT_CNT, stats); +} + +int hclge_pfc_tx_stats_get(struct hclge_dev *hdev, u64 *stats) +{ + return hclge_pfc_stats_get(hdev, HCLGE_OPC_QUERY_PFC_TX_PKT_CNT, 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; +} + +static 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 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) +{ + 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 = HCLGE_TM_QS_PRI_LINK_VLD_MSK; + + 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; + + 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); + 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) +{ + 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); + + return hclge_cmd_send(&hdev->hw, &desc, 1); +} + +static 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); + + 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) +{ + 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); + + 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->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); + + ret = hclge_cmd_send(&hdev->hw, &desc, 1); + if (ret) { + dev_err(&hdev->pdev->dev, + "vf%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 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; + u16 max_rss_size; + u8 i; + + /* 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. + */ + kinfo->num_tc = vport->vport_id ? 1 : + min_t(u16, vport->alloc_tqps, hdev->tm_info.num_tc); + vport->qs_offset = (vport->vport_id ? HNAE3_MAX_TC : 0) + + (vport->vport_id ? (vport->vport_id - 1) : 0); + + max_rss_size = min_t(u16, hdev->rss_size_max, + vport->alloc_tqps / kinfo->num_tc); + + /* 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)) { + /* if user not set rss, the rss_size should compare with the + * valid msi numbers to ensure one to one map between tqp and + * irq as default. + */ + if (!kinfo->req_rss_size) + max_rss_size = min_t(u16, max_rss_size, + (hdev->num_nic_msi - 1) / + kinfo->num_tc); + + /* Set to the maximum specification value (max_rss_size). */ + kinfo->rss_size = max_rss_size; + } + + kinfo->num_tqps = kinfo->num_tc * kinfo->rss_size; + vport->dwrr = 100; /* 100 percent as init */ + vport->alloc_rss_size = kinfo->rss_size; + vport->bw_limit = hdev->tm_info.pg_info[0].bw_limit; + + for (i = 0; i < HNAE3_MAX_TC; i++) { + if (hdev->hw_tc_map & BIT(i) && i < kinfo->num_tc) { + kinfo->tc_info[i].enable = true; + kinfo->tc_info[i].tqp_offset = i * kinfo->rss_size; + kinfo->tc_info[i].tqp_count = kinfo->rss_size; + kinfo->tc_info[i].tc = i; + } else { + /* Set to default queue if TC is disable */ + kinfo->tc_info[i].enable = false; + kinfo->tc_info[i].tqp_offset = 0; + kinfo->tc_info[i].tqp_count = 1; + kinfo->tc_info[i].tc = 0; + } + } + + memcpy(kinfo->prio_tc, hdev->tm_info.prio_tc, + sizeof_field(struct hnae3_knic_private_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; + + for (i = 0; i < hdev->tm_info.num_tc; i++) { + hdev->tm_info.tc_info[i].tc_id = i; + hdev->tm_info.tc_info[i].tc_sch_mode = HCLGE_SCH_MODE_DWRR; + hdev->tm_info.tc_info[i].pgid = 0; + hdev->tm_info.tc_info[i].bw_limit = + hdev->tm_info.pg_info[0].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++) { + /* Calc shaper para */ + ret = hclge_shaper_para_calc(hdev->tm_info.pg_info[i].bw_limit, + 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); + 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); + 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_queue **tqp = kinfo->tqp; + struct hnae3_tc_info *v_tc_info; + u32 i, j; + int ret; + + for (i = 0; i < kinfo->num_tc; i++) { + v_tc_info = &kinfo->tc_info[i]; + for (j = 0; j < v_tc_info->tqp_count; j++) { + struct hnae3_queue *q = tqp[v_tc_info->tqp_offset + 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(struct hclge_dev *hdev) +{ + struct hclge_vport *vport = hdev->vport; + int ret; + u32 i, k; + + if (hdev->tx_sch_mode == HCLGE_FLAG_TC_BASE_SCH_MODE) { + /* 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->num_tc; i++) { + ret = hclge_tm_qs_to_pri_map_cfg( + hdev, vport[k].qs_offset + i, i); + if (ret) + return ret; + } + } + } else if (hdev->tx_sch_mode == HCLGE_FLAG_VNET_BASE_SCH_MODE) { + /* 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); + if (ret) + return ret; + } + } else { + return -EINVAL; + } + + /* 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; + int ret; + u32 i; + + for (i = 0; i < hdev->tm_info.num_tc; i++) { + ret = hclge_shaper_para_calc(hdev->tm_info.tc_info[i].bw_limit, + HCLGE_SHAPER_LVL_PRI, + &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_pri_shapping_cfg(hdev, HCLGE_TM_SHAP_C_BUCKET, i, + shaper_para); + 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, i, + shaper_para); + 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); + 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); + 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->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->tm_info.num_tc; 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++) { + ret = hclge_tm_qs_weight_cfg( + hdev, vport[k].qs_offset + i, + vport[k].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->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 does'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; + + 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_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->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, k; + + if (hdev->tx_sch_mode == HCLGE_FLAG_TC_BASE_SCH_MODE) { + for (i = 0; i < hdev->tm_info.num_tc; i++) { + ret = hclge_tm_pri_schd_mode_cfg(hdev, i); + if (ret) + return ret; + + for (k = 0; k < hdev->num_alloc_vport; k++) { + ret = hclge_tm_qs_schd_mode_cfg( + hdev, vport[k].qs_offset + i, + HCLGE_SCH_MODE_DWRR); + 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); +} + +/* Each Tc has a 1024 queue sets to backpress, it divides to + * 32 group, 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) +{ + int i; + + for (i = 0; i < HCLGE_BP_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, HCLGE_BP_GRP_ID_M, + HCLGE_BP_GRP_ID_S); + 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; +} + +static 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->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); + + 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); +} |