#include "hns3_logs.h"
#include "hns3_regs.h"
+#define HNS3_DEFAULT_PORT_CONF_BURST_SIZE 32
+#define HNS3_DEFAULT_PORT_CONF_QUEUES_NUM 1
+
int hns3_logtype_init;
int hns3_logtype_driver;
+static int
+hns3_config_tso(struct hns3_hw *hw, unsigned int tso_mss_min,
+ unsigned int tso_mss_max)
+{
+ struct hns3_cfg_tso_status_cmd *req;
+ struct hns3_cmd_desc desc;
+ uint16_t tso_mss;
+
+ hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_TSO_GENERIC_CONFIG, false);
+
+ req = (struct hns3_cfg_tso_status_cmd *)desc.data;
+
+ tso_mss = 0;
+ hns3_set_field(tso_mss, HNS3_TSO_MSS_MIN_M, HNS3_TSO_MSS_MIN_S,
+ tso_mss_min);
+ req->tso_mss_min = rte_cpu_to_le_16(tso_mss);
+
+ tso_mss = 0;
+ hns3_set_field(tso_mss, HNS3_TSO_MSS_MIN_M, HNS3_TSO_MSS_MIN_S,
+ tso_mss_max);
+ req->tso_mss_max = rte_cpu_to_le_16(tso_mss);
+
+ return hns3_cmd_send(hw, &desc, 1);
+}
+
+int
+hns3_config_gro(struct hns3_hw *hw, bool en)
+{
+ struct hns3_cfg_gro_status_cmd *req;
+ struct hns3_cmd_desc desc;
+ int ret;
+
+ hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_GRO_GENERIC_CONFIG, false);
+ req = (struct hns3_cfg_gro_status_cmd *)desc.data;
+
+ req->gro_en = rte_cpu_to_le_16(en ? 1 : 0);
+
+ ret = hns3_cmd_send(hw, &desc, 1);
+ if (ret)
+ hns3_err(hw, "GRO hardware config cmd failed, ret = %d", ret);
+
+ return ret;
+}
+
+static int
+hns3_set_umv_space(struct hns3_hw *hw, uint16_t space_size,
+ uint16_t *allocated_size, bool is_alloc)
+{
+ struct hns3_umv_spc_alc_cmd *req;
+ struct hns3_cmd_desc desc;
+ int ret;
+
+ req = (struct hns3_umv_spc_alc_cmd *)desc.data;
+ hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_VLAN_ALLOCATE, false);
+ hns3_set_bit(req->allocate, HNS3_UMV_SPC_ALC_B, is_alloc ? 0 : 1);
+ req->space_size = rte_cpu_to_le_32(space_size);
+
+ ret = hns3_cmd_send(hw, &desc, 1);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "%s umv space failed for cmd_send, ret =%d",
+ is_alloc ? "allocate" : "free", ret);
+ return ret;
+ }
+
+ if (is_alloc && allocated_size)
+ *allocated_size = rte_le_to_cpu_32(desc.data[1]);
+
+ return 0;
+}
+
+static int
+hns3_init_umv_space(struct hns3_hw *hw)
+{
+ struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
+ struct hns3_pf *pf = &hns->pf;
+ uint16_t allocated_size = 0;
+ int ret;
+
+ ret = hns3_set_umv_space(hw, pf->wanted_umv_size, &allocated_size,
+ true);
+ if (ret)
+ return ret;
+
+ if (allocated_size < pf->wanted_umv_size)
+ PMD_INIT_LOG(WARNING, "Alloc umv space failed, want %u, get %u",
+ pf->wanted_umv_size, allocated_size);
+
+ pf->max_umv_size = (!!allocated_size) ? allocated_size :
+ pf->wanted_umv_size;
+ pf->used_umv_size = 0;
+ return 0;
+}
+
+static int
+hns3_uninit_umv_space(struct hns3_hw *hw)
+{
+ struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
+ struct hns3_pf *pf = &hns->pf;
+ int ret;
+
+ if (pf->max_umv_size == 0)
+ return 0;
+
+ ret = hns3_set_umv_space(hw, pf->max_umv_size, NULL, false);
+ if (ret)
+ return ret;
+
+ pf->max_umv_size = 0;
+
+ return 0;
+}
+
+static int
+hns3_set_mac_mtu(struct hns3_hw *hw, uint16_t new_mps)
+{
+ struct hns3_config_max_frm_size_cmd *req;
+ struct hns3_cmd_desc desc;
+
+ hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CONFIG_MAX_FRM_SIZE, false);
+
+ req = (struct hns3_config_max_frm_size_cmd *)desc.data;
+ req->max_frm_size = rte_cpu_to_le_16(new_mps);
+ req->min_frm_size = HNS3_MIN_FRAME_LEN;
+
+ return hns3_cmd_send(hw, &desc, 1);
+}
+
+static int
+hns3_config_mtu(struct hns3_hw *hw, uint16_t mps)
+{
+ int ret;
+
+ ret = hns3_set_mac_mtu(hw, mps);
+ if (ret) {
+ hns3_err(hw, "Failed to set mtu, ret = %d", ret);
+ return ret;
+ }
+
+ ret = hns3_buffer_alloc(hw);
+ if (ret) {
+ hns3_err(hw, "Failed to allocate buffer, ret = %d", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int
+hns3_parse_func_status(struct hns3_hw *hw, struct hns3_func_status_cmd *status)
+{
+ struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
+ struct hns3_pf *pf = &hns->pf;
+
+ if (!(status->pf_state & HNS3_PF_STATE_DONE))
+ return -EINVAL;
+
+ pf->is_main_pf = (status->pf_state & HNS3_PF_STATE_MAIN) ? true : false;
+
+ return 0;
+}
+
+static int
+hns3_query_function_status(struct hns3_hw *hw)
+{
+#define HNS3_QUERY_MAX_CNT 10
+#define HNS3_QUERY_SLEEP_MSCOEND 1
+ struct hns3_func_status_cmd *req;
+ struct hns3_cmd_desc desc;
+ int timeout = 0;
+ int ret;
+
+ hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_QUERY_FUNC_STATUS, true);
+ req = (struct hns3_func_status_cmd *)desc.data;
+
+ do {
+ ret = hns3_cmd_send(hw, &desc, 1);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "query function status failed %d",
+ ret);
+ return ret;
+ }
+
+ /* Check pf reset is done */
+ if (req->pf_state)
+ break;
+
+ rte_delay_ms(HNS3_QUERY_SLEEP_MSCOEND);
+ } while (timeout++ < HNS3_QUERY_MAX_CNT);
+
+ return hns3_parse_func_status(hw, req);
+}
+
+static int
+hns3_query_pf_resource(struct hns3_hw *hw)
+{
+ struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
+ struct hns3_pf *pf = &hns->pf;
+ struct hns3_pf_res_cmd *req;
+ struct hns3_cmd_desc desc;
+ int ret;
+
+ hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_QUERY_PF_RSRC, true);
+ ret = hns3_cmd_send(hw, &desc, 1);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "query pf resource failed %d", ret);
+ return ret;
+ }
+
+ req = (struct hns3_pf_res_cmd *)desc.data;
+ hw->total_tqps_num = rte_le_to_cpu_16(req->tqp_num);
+ pf->pkt_buf_size = rte_le_to_cpu_16(req->buf_size) << HNS3_BUF_UNIT_S;
+ hw->tqps_num = RTE_MIN(hw->total_tqps_num, HNS3_MAX_TQP_NUM_PER_FUNC);
+
+ if (req->tx_buf_size)
+ pf->tx_buf_size =
+ rte_le_to_cpu_16(req->tx_buf_size) << HNS3_BUF_UNIT_S;
+ else
+ pf->tx_buf_size = HNS3_DEFAULT_TX_BUF;
+
+ pf->tx_buf_size = roundup(pf->tx_buf_size, HNS3_BUF_SIZE_UNIT);
+
+ if (req->dv_buf_size)
+ pf->dv_buf_size =
+ rte_le_to_cpu_16(req->dv_buf_size) << HNS3_BUF_UNIT_S;
+ else
+ pf->dv_buf_size = HNS3_DEFAULT_DV;
+
+ pf->dv_buf_size = roundup(pf->dv_buf_size, HNS3_BUF_SIZE_UNIT);
+
+ hw->num_msi =
+ hns3_get_field(rte_le_to_cpu_16(req->pf_intr_vector_number),
+ HNS3_PF_VEC_NUM_M, HNS3_PF_VEC_NUM_S);
+
+ return 0;
+}
+
+static void
+hns3_parse_cfg(struct hns3_cfg *cfg, struct hns3_cmd_desc *desc)
+{
+ struct hns3_cfg_param_cmd *req;
+ uint64_t mac_addr_tmp_high;
+ uint64_t mac_addr_tmp;
+ uint32_t i;
+
+ req = (struct hns3_cfg_param_cmd *)desc[0].data;
+
+ /* get the configuration */
+ cfg->vmdq_vport_num = hns3_get_field(rte_le_to_cpu_32(req->param[0]),
+ HNS3_CFG_VMDQ_M, HNS3_CFG_VMDQ_S);
+ cfg->tc_num = hns3_get_field(rte_le_to_cpu_32(req->param[0]),
+ HNS3_CFG_TC_NUM_M, HNS3_CFG_TC_NUM_S);
+ cfg->tqp_desc_num = hns3_get_field(rte_le_to_cpu_32(req->param[0]),
+ HNS3_CFG_TQP_DESC_N_M,
+ HNS3_CFG_TQP_DESC_N_S);
+
+ cfg->phy_addr = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
+ HNS3_CFG_PHY_ADDR_M,
+ HNS3_CFG_PHY_ADDR_S);
+ cfg->media_type = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
+ HNS3_CFG_MEDIA_TP_M,
+ HNS3_CFG_MEDIA_TP_S);
+ cfg->rx_buf_len = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
+ HNS3_CFG_RX_BUF_LEN_M,
+ HNS3_CFG_RX_BUF_LEN_S);
+ /* get mac address */
+ mac_addr_tmp = rte_le_to_cpu_32(req->param[2]);
+ mac_addr_tmp_high = hns3_get_field(rte_le_to_cpu_32(req->param[3]),
+ HNS3_CFG_MAC_ADDR_H_M,
+ HNS3_CFG_MAC_ADDR_H_S);
+
+ mac_addr_tmp |= (mac_addr_tmp_high << 31) << 1;
+
+ cfg->default_speed = hns3_get_field(rte_le_to_cpu_32(req->param[3]),
+ HNS3_CFG_DEFAULT_SPEED_M,
+ HNS3_CFG_DEFAULT_SPEED_S);
+ cfg->rss_size_max = hns3_get_field(rte_le_to_cpu_32(req->param[3]),
+ HNS3_CFG_RSS_SIZE_M,
+ HNS3_CFG_RSS_SIZE_S);
+
+ for (i = 0; i < RTE_ETHER_ADDR_LEN; i++)
+ cfg->mac_addr[i] = (mac_addr_tmp >> (8 * i)) & 0xff;
+
+ req = (struct hns3_cfg_param_cmd *)desc[1].data;
+ cfg->numa_node_map = rte_le_to_cpu_32(req->param[0]);
+
+ cfg->speed_ability = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
+ HNS3_CFG_SPEED_ABILITY_M,
+ HNS3_CFG_SPEED_ABILITY_S);
+ cfg->umv_space = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
+ HNS3_CFG_UMV_TBL_SPACE_M,
+ HNS3_CFG_UMV_TBL_SPACE_S);
+ if (!cfg->umv_space)
+ cfg->umv_space = HNS3_DEFAULT_UMV_SPACE_PER_PF;
+}
+
+/* hns3_get_board_cfg: query the static parameter from NCL_config file in flash
+ * @hw: pointer to struct hns3_hw
+ * @hcfg: the config structure to be getted
+ */
+static int
+hns3_get_board_cfg(struct hns3_hw *hw, struct hns3_cfg *hcfg)
+{
+ struct hns3_cmd_desc desc[HNS3_PF_CFG_DESC_NUM];
+ struct hns3_cfg_param_cmd *req;
+ uint32_t offset;
+ uint32_t i;
+ int ret;
+
+ for (i = 0; i < HNS3_PF_CFG_DESC_NUM; i++) {
+ offset = 0;
+ req = (struct hns3_cfg_param_cmd *)desc[i].data;
+ hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_GET_CFG_PARAM,
+ true);
+ hns3_set_field(offset, HNS3_CFG_OFFSET_M, HNS3_CFG_OFFSET_S,
+ i * HNS3_CFG_RD_LEN_BYTES);
+ /* Len should be divided by 4 when send to hardware */
+ hns3_set_field(offset, HNS3_CFG_RD_LEN_M, HNS3_CFG_RD_LEN_S,
+ HNS3_CFG_RD_LEN_BYTES / HNS3_CFG_RD_LEN_UNIT);
+ req->offset = rte_cpu_to_le_32(offset);
+ }
+
+ ret = hns3_cmd_send(hw, desc, HNS3_PF_CFG_DESC_NUM);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "get config failed %d.", ret);
+ return ret;
+ }
+
+ hns3_parse_cfg(hcfg, desc);
+
+ return 0;
+}
+
+static int
+hns3_parse_speed(int speed_cmd, uint32_t *speed)
+{
+ switch (speed_cmd) {
+ case HNS3_CFG_SPEED_10M:
+ *speed = ETH_SPEED_NUM_10M;
+ break;
+ case HNS3_CFG_SPEED_100M:
+ *speed = ETH_SPEED_NUM_100M;
+ break;
+ case HNS3_CFG_SPEED_1G:
+ *speed = ETH_SPEED_NUM_1G;
+ break;
+ case HNS3_CFG_SPEED_10G:
+ *speed = ETH_SPEED_NUM_10G;
+ break;
+ case HNS3_CFG_SPEED_25G:
+ *speed = ETH_SPEED_NUM_25G;
+ break;
+ case HNS3_CFG_SPEED_40G:
+ *speed = ETH_SPEED_NUM_40G;
+ break;
+ case HNS3_CFG_SPEED_50G:
+ *speed = ETH_SPEED_NUM_50G;
+ break;
+ case HNS3_CFG_SPEED_100G:
+ *speed = ETH_SPEED_NUM_100G;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int
+hns3_get_board_configuration(struct hns3_hw *hw)
+{
+ struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
+ struct hns3_pf *pf = &hns->pf;
+ struct hns3_cfg cfg;
+ int ret;
+
+ ret = hns3_get_board_cfg(hw, &cfg);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "get board config failed %d", ret);
+ return ret;
+ }
+
+ if (cfg.media_type == HNS3_MEDIA_TYPE_COPPER) {
+ PMD_INIT_LOG(ERR, "media type is copper, not supported.");
+ return -EOPNOTSUPP;
+ }
+
+ hw->mac.media_type = cfg.media_type;
+ hw->rss_size_max = cfg.rss_size_max;
+ hw->rx_buf_len = cfg.rx_buf_len;
+ memcpy(hw->mac.mac_addr, cfg.mac_addr, RTE_ETHER_ADDR_LEN);
+ hw->mac.phy_addr = cfg.phy_addr;
+ hw->mac.default_addr_setted = false;
+ hw->num_tx_desc = cfg.tqp_desc_num;
+ hw->num_rx_desc = cfg.tqp_desc_num;
+ hw->dcb_info.num_pg = 1;
+ hw->dcb_info.hw_pfc_map = 0;
+
+ ret = hns3_parse_speed(cfg.default_speed, &hw->mac.link_speed);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "Get wrong speed %d, ret = %d",
+ cfg.default_speed, ret);
+ return ret;
+ }
+
+ pf->tc_max = cfg.tc_num;
+ if (pf->tc_max > HNS3_MAX_TC_NUM || pf->tc_max < 1) {
+ PMD_INIT_LOG(WARNING,
+ "Get TC num(%u) from flash, set TC num to 1",
+ pf->tc_max);
+ pf->tc_max = 1;
+ }
+
+ /* Dev does not support DCB */
+ if (!hns3_dev_dcb_supported(hw)) {
+ pf->tc_max = 1;
+ pf->pfc_max = 0;
+ } else
+ pf->pfc_max = pf->tc_max;
+
+ hw->dcb_info.num_tc = 1;
+ hw->alloc_rss_size = RTE_MIN(hw->rss_size_max,
+ hw->tqps_num / hw->dcb_info.num_tc);
+ hns3_set_bit(hw->hw_tc_map, 0, 1);
+ pf->tx_sch_mode = HNS3_FLAG_TC_BASE_SCH_MODE;
+
+ pf->wanted_umv_size = cfg.umv_space;
+
+ return ret;
+}
+
+static int
+hns3_get_configuration(struct hns3_hw *hw)
+{
+ int ret;
+
+ ret = hns3_query_function_status(hw);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "Failed to query function status: %d.", ret);
+ return ret;
+ }
+
+ /* Get pf resource */
+ ret = hns3_query_pf_resource(hw);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "Failed to query pf resource: %d", ret);
+ return ret;
+ }
+
+ ret = hns3_get_board_configuration(hw);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "Failed to get board configuration: %d", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int
+hns3_map_tqps_to_func(struct hns3_hw *hw, uint16_t func_id, uint16_t tqp_pid,
+ uint16_t tqp_vid, bool is_pf)
+{
+ struct hns3_tqp_map_cmd *req;
+ struct hns3_cmd_desc desc;
+ int ret;
+
+ hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_SET_TQP_MAP, false);
+
+ req = (struct hns3_tqp_map_cmd *)desc.data;
+ req->tqp_id = rte_cpu_to_le_16(tqp_pid);
+ req->tqp_vf = func_id;
+ req->tqp_flag = 1 << HNS3_TQP_MAP_EN_B;
+ if (!is_pf)
+ req->tqp_flag |= (1 << HNS3_TQP_MAP_TYPE_B);
+ req->tqp_vid = rte_cpu_to_le_16(tqp_vid);
+
+ ret = hns3_cmd_send(hw, &desc, 1);
+ if (ret)
+ PMD_INIT_LOG(ERR, "TQP map failed %d", ret);
+
+ return ret;
+}
+
+static int
+hns3_map_tqp(struct hns3_hw *hw)
+{
+ uint16_t tqps_num = hw->total_tqps_num;
+ uint16_t func_id;
+ uint16_t tqp_id;
+ int num;
+ int ret;
+ int i;
+
+ /*
+ * In current version VF is not supported when PF is driven by DPDK
+ * driver, so we allocate tqps to PF as much as possible.
+ */
+ tqp_id = 0;
+ num = DIV_ROUND_UP(hw->total_tqps_num, HNS3_MAX_TQP_NUM_PER_FUNC);
+ for (func_id = 0; func_id < num; func_id++) {
+ for (i = 0;
+ i < HNS3_MAX_TQP_NUM_PER_FUNC && tqp_id < tqps_num; i++) {
+ ret = hns3_map_tqps_to_func(hw, func_id, tqp_id++, i,
+ true);
+ if (ret)
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+static int
+hns3_cfg_mac_speed_dup_hw(struct hns3_hw *hw, uint32_t speed, uint8_t duplex)
+{
+ struct hns3_config_mac_speed_dup_cmd *req;
+ struct hns3_cmd_desc desc;
+ int ret;
+
+ req = (struct hns3_config_mac_speed_dup_cmd *)desc.data;
+
+ hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CONFIG_SPEED_DUP, false);
+
+ hns3_set_bit(req->speed_dup, HNS3_CFG_DUPLEX_B, !!duplex ? 1 : 0);
+
+ switch (speed) {
+ case ETH_SPEED_NUM_10M:
+ hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
+ HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_10M);
+ break;
+ case ETH_SPEED_NUM_100M:
+ hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
+ HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_100M);
+ break;
+ case ETH_SPEED_NUM_1G:
+ hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
+ HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_1G);
+ break;
+ case ETH_SPEED_NUM_10G:
+ hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
+ HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_10G);
+ break;
+ case ETH_SPEED_NUM_25G:
+ hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
+ HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_25G);
+ break;
+ case ETH_SPEED_NUM_40G:
+ hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
+ HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_40G);
+ break;
+ case ETH_SPEED_NUM_50G:
+ hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
+ HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_50G);
+ break;
+ case ETH_SPEED_NUM_100G:
+ hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
+ HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_100G);
+ break;
+ default:
+ PMD_INIT_LOG(ERR, "invalid speed (%u)", speed);
+ return -EINVAL;
+ }
+
+ hns3_set_bit(req->mac_change_fec_en, HNS3_CFG_MAC_SPEED_CHANGE_EN_B, 1);
+
+ ret = hns3_cmd_send(hw, &desc, 1);
+ if (ret)
+ PMD_INIT_LOG(ERR, "mac speed/duplex config cmd failed %d", ret);
+
+ return ret;
+}
+
+static int
+hns3_tx_buffer_calc(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
+{
+ struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
+ struct hns3_pf *pf = &hns->pf;
+ struct hns3_priv_buf *priv;
+ uint32_t i, total_size;
+
+ total_size = pf->pkt_buf_size;
+
+ /* alloc tx buffer for all enabled tc */
+ for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
+ priv = &buf_alloc->priv_buf[i];
+
+ if (hw->hw_tc_map & BIT(i)) {
+ if (total_size < pf->tx_buf_size)
+ return -ENOMEM;
+
+ priv->tx_buf_size = pf->tx_buf_size;
+ } else
+ priv->tx_buf_size = 0;
+
+ total_size -= priv->tx_buf_size;
+ }
+
+ return 0;
+}
+
+static int
+hns3_tx_buffer_alloc(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
+{
+/* TX buffer size is unit by 128 byte */
+#define HNS3_BUF_SIZE_UNIT_SHIFT 7
+#define HNS3_BUF_SIZE_UPDATE_EN_MSK BIT(15)
+ struct hns3_tx_buff_alloc_cmd *req;
+ struct hns3_cmd_desc desc;
+ uint32_t buf_size;
+ uint32_t i;
+ int ret;
+
+ req = (struct hns3_tx_buff_alloc_cmd *)desc.data;
+
+ hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_TX_BUFF_ALLOC, 0);
+ for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
+ buf_size = buf_alloc->priv_buf[i].tx_buf_size;
+
+ buf_size = buf_size >> HNS3_BUF_SIZE_UNIT_SHIFT;
+ req->tx_pkt_buff[i] = rte_cpu_to_le_16(buf_size |
+ HNS3_BUF_SIZE_UPDATE_EN_MSK);
+ }
+
+ ret = hns3_cmd_send(hw, &desc, 1);
+ if (ret)
+ PMD_INIT_LOG(ERR, "tx buffer alloc cmd failed %d", ret);
+
+ return ret;
+}
+
+static int
+hns3_get_tc_num(struct hns3_hw *hw)
+{
+ int cnt = 0;
+ uint8_t i;
+
+ for (i = 0; i < HNS3_MAX_TC_NUM; i++)
+ if (hw->hw_tc_map & BIT(i))
+ cnt++;
+ return cnt;
+}
+
+static uint32_t
+hns3_get_rx_priv_buff_alloced(struct hns3_pkt_buf_alloc *buf_alloc)
+{
+ struct hns3_priv_buf *priv;
+ uint32_t rx_priv = 0;
+ int i;
+
+ for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
+ priv = &buf_alloc->priv_buf[i];
+ if (priv->enable)
+ rx_priv += priv->buf_size;
+ }
+ return rx_priv;
+}
+
+static uint32_t
+hns3_get_tx_buff_alloced(struct hns3_pkt_buf_alloc *buf_alloc)
+{
+ uint32_t total_tx_size = 0;
+ uint32_t i;
+
+ for (i = 0; i < HNS3_MAX_TC_NUM; i++)
+ total_tx_size += buf_alloc->priv_buf[i].tx_buf_size;
+
+ return total_tx_size;
+}
+
+/* Get the number of pfc enabled TCs, which have private buffer */
+static int
+hns3_get_pfc_priv_num(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
+{
+ struct hns3_priv_buf *priv;
+ int cnt = 0;
+ uint8_t i;
+
+ for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
+ priv = &buf_alloc->priv_buf[i];
+ if ((hw->dcb_info.hw_pfc_map & BIT(i)) && priv->enable)
+ cnt++;
+ }
+
+ return cnt;
+}
+
+/* Get the number of pfc disabled TCs, which have private buffer */
+static int
+hns3_get_no_pfc_priv_num(struct hns3_hw *hw,
+ struct hns3_pkt_buf_alloc *buf_alloc)
+{
+ struct hns3_priv_buf *priv;
+ int cnt = 0;
+ uint8_t i;
+
+ for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
+ priv = &buf_alloc->priv_buf[i];
+ if (hw->hw_tc_map & BIT(i) &&
+ !(hw->dcb_info.hw_pfc_map & BIT(i)) && priv->enable)
+ cnt++;
+ }
+
+ return cnt;
+}
+
+static bool
+hns3_is_rx_buf_ok(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc,
+ uint32_t rx_all)
+{
+ uint32_t shared_buf_min, shared_buf_tc, shared_std, hi_thrd, lo_thrd;
+ struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
+ struct hns3_pf *pf = &hns->pf;
+ uint32_t shared_buf, aligned_mps;
+ uint32_t rx_priv;
+ uint8_t tc_num;
+ uint8_t i;
+
+ tc_num = hns3_get_tc_num(hw);
+ aligned_mps = roundup(pf->mps, HNS3_BUF_SIZE_UNIT);
+
+ if (hns3_dev_dcb_supported(hw))
+ shared_buf_min = HNS3_BUF_MUL_BY * aligned_mps +
+ pf->dv_buf_size;
+ else
+ shared_buf_min = aligned_mps + HNS3_NON_DCB_ADDITIONAL_BUF
+ + pf->dv_buf_size;
+
+ shared_buf_tc = tc_num * aligned_mps + aligned_mps;
+ shared_std = roundup(max_t(uint32_t, shared_buf_min, shared_buf_tc),
+ HNS3_BUF_SIZE_UNIT);
+
+ rx_priv = hns3_get_rx_priv_buff_alloced(buf_alloc);
+ if (rx_all < rx_priv + shared_std)
+ return false;
+
+ shared_buf = rounddown(rx_all - rx_priv, HNS3_BUF_SIZE_UNIT);
+ buf_alloc->s_buf.buf_size = shared_buf;
+ if (hns3_dev_dcb_supported(hw)) {
+ buf_alloc->s_buf.self.high = shared_buf - pf->dv_buf_size;
+ buf_alloc->s_buf.self.low = buf_alloc->s_buf.self.high
+ - roundup(aligned_mps / HNS3_BUF_DIV_BY,
+ HNS3_BUF_SIZE_UNIT);
+ } else {
+ buf_alloc->s_buf.self.high =
+ aligned_mps + HNS3_NON_DCB_ADDITIONAL_BUF;
+ buf_alloc->s_buf.self.low = aligned_mps;
+ }
+
+ if (hns3_dev_dcb_supported(hw)) {
+ hi_thrd = shared_buf - pf->dv_buf_size;
+
+ if (tc_num <= NEED_RESERVE_TC_NUM)
+ hi_thrd = hi_thrd * BUF_RESERVE_PERCENT
+ / BUF_MAX_PERCENT;
+
+ if (tc_num)
+ hi_thrd = hi_thrd / tc_num;
+
+ hi_thrd = max_t(uint32_t, hi_thrd,
+ HNS3_BUF_MUL_BY * aligned_mps);
+ hi_thrd = rounddown(hi_thrd, HNS3_BUF_SIZE_UNIT);
+ lo_thrd = hi_thrd - aligned_mps / HNS3_BUF_DIV_BY;
+ } else {
+ hi_thrd = aligned_mps + HNS3_NON_DCB_ADDITIONAL_BUF;
+ lo_thrd = aligned_mps;
+ }
+
+ for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
+ buf_alloc->s_buf.tc_thrd[i].low = lo_thrd;
+ buf_alloc->s_buf.tc_thrd[i].high = hi_thrd;
+ }
+
+ return true;
+}
+
+static bool
+hns3_rx_buf_calc_all(struct hns3_hw *hw, bool max,
+ struct hns3_pkt_buf_alloc *buf_alloc)
+{
+ struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
+ struct hns3_pf *pf = &hns->pf;
+ struct hns3_priv_buf *priv;
+ uint32_t aligned_mps;
+ uint32_t rx_all;
+ uint8_t i;
+
+ rx_all = pf->pkt_buf_size - hns3_get_tx_buff_alloced(buf_alloc);
+ aligned_mps = roundup(pf->mps, HNS3_BUF_SIZE_UNIT);
+
+ for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
+ priv = &buf_alloc->priv_buf[i];
+
+ priv->enable = 0;
+ priv->wl.low = 0;
+ priv->wl.high = 0;
+ priv->buf_size = 0;
+
+ if (!(hw->hw_tc_map & BIT(i)))
+ continue;
+
+ priv->enable = 1;
+ if (hw->dcb_info.hw_pfc_map & BIT(i)) {
+ priv->wl.low = max ? aligned_mps : HNS3_BUF_SIZE_UNIT;
+ priv->wl.high = roundup(priv->wl.low + aligned_mps,
+ HNS3_BUF_SIZE_UNIT);
+ } else {
+ priv->wl.low = 0;
+ priv->wl.high = max ? (aligned_mps * HNS3_BUF_MUL_BY) :
+ aligned_mps;
+ }
+
+ priv->buf_size = priv->wl.high + pf->dv_buf_size;
+ }
+
+ return hns3_is_rx_buf_ok(hw, buf_alloc, rx_all);
+}
+
+static bool
+hns3_drop_nopfc_buf_till_fit(struct hns3_hw *hw,
+ struct hns3_pkt_buf_alloc *buf_alloc)
+{
+ struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
+ struct hns3_pf *pf = &hns->pf;
+ struct hns3_priv_buf *priv;
+ int no_pfc_priv_num;
+ uint32_t rx_all;
+ uint8_t mask;
+ int i;
+
+ rx_all = pf->pkt_buf_size - hns3_get_tx_buff_alloced(buf_alloc);
+ no_pfc_priv_num = hns3_get_no_pfc_priv_num(hw, buf_alloc);
+
+ /* let the last to be cleared first */
+ for (i = HNS3_MAX_TC_NUM - 1; i >= 0; i--) {
+ priv = &buf_alloc->priv_buf[i];
+ mask = BIT((uint8_t)i);
+
+ if (hw->hw_tc_map & mask &&
+ !(hw->dcb_info.hw_pfc_map & mask)) {
+ /* Clear the no pfc TC private buffer */
+ priv->wl.low = 0;
+ priv->wl.high = 0;
+ priv->buf_size = 0;
+ priv->enable = 0;
+ no_pfc_priv_num--;
+ }
+
+ if (hns3_is_rx_buf_ok(hw, buf_alloc, rx_all) ||
+ no_pfc_priv_num == 0)
+ break;
+ }
+
+ return hns3_is_rx_buf_ok(hw, buf_alloc, rx_all);
+}
+
+static bool
+hns3_drop_pfc_buf_till_fit(struct hns3_hw *hw,
+ struct hns3_pkt_buf_alloc *buf_alloc)
+{
+ struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
+ struct hns3_pf *pf = &hns->pf;
+ struct hns3_priv_buf *priv;
+ uint32_t rx_all;
+ int pfc_priv_num;
+ uint8_t mask;
+ int i;
+
+ rx_all = pf->pkt_buf_size - hns3_get_tx_buff_alloced(buf_alloc);
+ pfc_priv_num = hns3_get_pfc_priv_num(hw, buf_alloc);
+
+ /* let the last to be cleared first */
+ for (i = HNS3_MAX_TC_NUM - 1; i >= 0; i--) {
+ priv = &buf_alloc->priv_buf[i];
+ mask = BIT((uint8_t)i);
+
+ if (hw->hw_tc_map & mask &&
+ hw->dcb_info.hw_pfc_map & mask) {
+ /* Reduce the number of pfc TC with private buffer */
+ priv->wl.low = 0;
+ priv->enable = 0;
+ priv->wl.high = 0;
+ priv->buf_size = 0;
+ pfc_priv_num--;
+ }
+ if (hns3_is_rx_buf_ok(hw, buf_alloc, rx_all) ||
+ pfc_priv_num == 0)
+ break;
+ }
+
+ return hns3_is_rx_buf_ok(hw, buf_alloc, rx_all);
+}
+
+static bool
+hns3_only_alloc_priv_buff(struct hns3_hw *hw,
+ struct hns3_pkt_buf_alloc *buf_alloc)
+{
+#define COMPENSATE_BUFFER 0x3C00
+#define COMPENSATE_HALF_MPS_NUM 5
+#define PRIV_WL_GAP 0x1800
+ struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
+ struct hns3_pf *pf = &hns->pf;
+ uint32_t tc_num = hns3_get_tc_num(hw);
+ uint32_t half_mps = pf->mps >> 1;
+ struct hns3_priv_buf *priv;
+ uint32_t min_rx_priv;
+ uint32_t rx_priv;
+ uint8_t i;
+
+ rx_priv = pf->pkt_buf_size - hns3_get_tx_buff_alloced(buf_alloc);
+ if (tc_num)
+ rx_priv = rx_priv / tc_num;
+
+ if (tc_num <= NEED_RESERVE_TC_NUM)
+ rx_priv = rx_priv * BUF_RESERVE_PERCENT / BUF_MAX_PERCENT;
+
+ /*
+ * Minimum value of private buffer in rx direction (min_rx_priv) is
+ * equal to "DV + 2.5 * MPS + 15KB". Driver only allocates rx private
+ * buffer if rx_priv is greater than min_rx_priv.
+ */
+ min_rx_priv = pf->dv_buf_size + COMPENSATE_BUFFER +
+ COMPENSATE_HALF_MPS_NUM * half_mps;
+ min_rx_priv = roundup(min_rx_priv, HNS3_BUF_SIZE_UNIT);
+ rx_priv = rounddown(rx_priv, HNS3_BUF_SIZE_UNIT);
+
+ if (rx_priv < min_rx_priv)
+ return false;
+
+ for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
+ priv = &buf_alloc->priv_buf[i];
+
+ priv->enable = 0;
+ priv->wl.low = 0;
+ priv->wl.high = 0;
+ priv->buf_size = 0;
+
+ if (!(hw->hw_tc_map & BIT(i)))
+ continue;
+
+ priv->enable = 1;
+ priv->buf_size = rx_priv;
+ priv->wl.high = rx_priv - pf->dv_buf_size;
+ priv->wl.low = priv->wl.high - PRIV_WL_GAP;
+ }
+
+ buf_alloc->s_buf.buf_size = 0;
+
+ return true;
+}
+
+/*
+ * hns3_rx_buffer_calc: calculate the rx private buffer size for all TCs
+ * @hw: pointer to struct hns3_hw
+ * @buf_alloc: pointer to buffer calculation data
+ * @return: 0: calculate sucessful, negative: fail
+ */
+static int
+hns3_rx_buffer_calc(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
+{
+ /* When DCB is not supported, rx private buffer is not allocated. */
+ if (!hns3_dev_dcb_supported(hw)) {
+ struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
+ struct hns3_pf *pf = &hns->pf;
+ uint32_t rx_all = pf->pkt_buf_size;
+
+ rx_all -= hns3_get_tx_buff_alloced(buf_alloc);
+ if (!hns3_is_rx_buf_ok(hw, buf_alloc, rx_all))
+ return -ENOMEM;
+
+ return 0;
+ }
+
+ /*
+ * Try to allocate privated packet buffer for all TCs without share
+ * buffer.
+ */
+ if (hns3_only_alloc_priv_buff(hw, buf_alloc))
+ return 0;
+
+ /*
+ * Try to allocate privated packet buffer for all TCs with share
+ * buffer.
+ */
+ if (hns3_rx_buf_calc_all(hw, true, buf_alloc))
+ return 0;
+
+ /*
+ * For different application scenes, the enabled port number, TC number
+ * and no_drop TC number are different. In order to obtain the better
+ * performance, software could allocate the buffer size and configure
+ * the waterline by tring to decrease the private buffer size according
+ * to the order, namely, waterline of valided tc, pfc disabled tc, pfc
+ * enabled tc.
+ */
+ if (hns3_rx_buf_calc_all(hw, false, buf_alloc))
+ return 0;
+
+ if (hns3_drop_nopfc_buf_till_fit(hw, buf_alloc))
+ return 0;
+
+ if (hns3_drop_pfc_buf_till_fit(hw, buf_alloc))
+ return 0;
+
+ return -ENOMEM;
+}
+
+static int
+hns3_rx_priv_buf_alloc(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
+{
+ struct hns3_rx_priv_buff_cmd *req;
+ struct hns3_cmd_desc desc;
+ uint32_t buf_size;
+ int ret;
+ int i;
+
+ hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_RX_PRIV_BUFF_ALLOC, false);
+ req = (struct hns3_rx_priv_buff_cmd *)desc.data;
+
+ /* Alloc private buffer TCs */
+ for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
+ struct hns3_priv_buf *priv = &buf_alloc->priv_buf[i];
+
+ req->buf_num[i] =
+ rte_cpu_to_le_16(priv->buf_size >> HNS3_BUF_UNIT_S);
+ req->buf_num[i] |= rte_cpu_to_le_16(1 << HNS3_TC0_PRI_BUF_EN_B);
+ }
+
+ buf_size = buf_alloc->s_buf.buf_size;
+ req->shared_buf = rte_cpu_to_le_16((buf_size >> HNS3_BUF_UNIT_S) |
+ (1 << HNS3_TC0_PRI_BUF_EN_B));
+
+ ret = hns3_cmd_send(hw, &desc, 1);
+ if (ret)
+ PMD_INIT_LOG(ERR, "rx private buffer alloc cmd failed %d", ret);
+
+ return ret;
+}
+
+static int
+hns3_rx_priv_wl_config(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
+{
+#define HNS3_RX_PRIV_WL_ALLOC_DESC_NUM 2
+ struct hns3_rx_priv_wl_buf *req;
+ struct hns3_priv_buf *priv;
+ struct hns3_cmd_desc desc[HNS3_RX_PRIV_WL_ALLOC_DESC_NUM];
+ int i, j;
+ int ret;
+
+ for (i = 0; i < HNS3_RX_PRIV_WL_ALLOC_DESC_NUM; i++) {
+ hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_RX_PRIV_WL_ALLOC,
+ false);
+ req = (struct hns3_rx_priv_wl_buf *)desc[i].data;
+
+ /* The first descriptor set the NEXT bit to 1 */
+ if (i == 0)
+ desc[i].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
+ else
+ desc[i].flag &= ~rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
+
+ for (j = 0; j < HNS3_TC_NUM_ONE_DESC; j++) {
+ uint32_t idx = i * HNS3_TC_NUM_ONE_DESC + j;
+
+ priv = &buf_alloc->priv_buf[idx];
+ req->tc_wl[j].high = rte_cpu_to_le_16(priv->wl.high >>
+ HNS3_BUF_UNIT_S);
+ req->tc_wl[j].high |=
+ rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
+ req->tc_wl[j].low = rte_cpu_to_le_16(priv->wl.low >>
+ HNS3_BUF_UNIT_S);
+ req->tc_wl[j].low |=
+ rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
+ }
+ }
+
+ /* Send 2 descriptor at one time */
+ ret = hns3_cmd_send(hw, desc, HNS3_RX_PRIV_WL_ALLOC_DESC_NUM);
+ if (ret)
+ PMD_INIT_LOG(ERR, "rx private waterline config cmd failed %d",
+ ret);
+ return ret;
+}
+
+static int
+hns3_common_thrd_config(struct hns3_hw *hw,
+ struct hns3_pkt_buf_alloc *buf_alloc)
+{
+#define HNS3_RX_COM_THRD_ALLOC_DESC_NUM 2
+ struct hns3_shared_buf *s_buf = &buf_alloc->s_buf;
+ struct hns3_rx_com_thrd *req;
+ struct hns3_cmd_desc desc[HNS3_RX_COM_THRD_ALLOC_DESC_NUM];
+ struct hns3_tc_thrd *tc;
+ int tc_idx;
+ int i, j;
+ int ret;
+
+ for (i = 0; i < HNS3_RX_COM_THRD_ALLOC_DESC_NUM; i++) {
+ hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_RX_COM_THRD_ALLOC,
+ false);
+ req = (struct hns3_rx_com_thrd *)&desc[i].data;
+
+ /* The first descriptor set the NEXT bit to 1 */
+ if (i == 0)
+ desc[i].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
+ else
+ desc[i].flag &= ~rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
+
+ for (j = 0; j < HNS3_TC_NUM_ONE_DESC; j++) {
+ tc_idx = i * HNS3_TC_NUM_ONE_DESC + j;
+ tc = &s_buf->tc_thrd[tc_idx];
+
+ req->com_thrd[j].high =
+ rte_cpu_to_le_16(tc->high >> HNS3_BUF_UNIT_S);
+ req->com_thrd[j].high |=
+ rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
+ req->com_thrd[j].low =
+ rte_cpu_to_le_16(tc->low >> HNS3_BUF_UNIT_S);
+ req->com_thrd[j].low |=
+ rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
+ }
+ }
+
+ /* Send 2 descriptors at one time */
+ ret = hns3_cmd_send(hw, desc, HNS3_RX_COM_THRD_ALLOC_DESC_NUM);
+ if (ret)
+ PMD_INIT_LOG(ERR, "common threshold config cmd failed %d", ret);
+
+ return ret;
+}
+
+static int
+hns3_common_wl_config(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
+{
+ struct hns3_shared_buf *buf = &buf_alloc->s_buf;
+ struct hns3_rx_com_wl *req;
+ struct hns3_cmd_desc desc;
+ int ret;
+
+ hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_RX_COM_WL_ALLOC, false);
+
+ req = (struct hns3_rx_com_wl *)desc.data;
+ req->com_wl.high = rte_cpu_to_le_16(buf->self.high >> HNS3_BUF_UNIT_S);
+ req->com_wl.high |= rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
+
+ req->com_wl.low = rte_cpu_to_le_16(buf->self.low >> HNS3_BUF_UNIT_S);
+ req->com_wl.low |= rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
+
+ ret = hns3_cmd_send(hw, &desc, 1);
+ if (ret)
+ PMD_INIT_LOG(ERR, "common waterline config cmd failed %d", ret);
+
+ return ret;
+}
+
+int
+hns3_buffer_alloc(struct hns3_hw *hw)
+{
+ struct hns3_pkt_buf_alloc pkt_buf;
+ int ret;
+
+ memset(&pkt_buf, 0, sizeof(pkt_buf));
+ ret = hns3_tx_buffer_calc(hw, &pkt_buf);
+ if (ret) {
+ PMD_INIT_LOG(ERR,
+ "could not calc tx buffer size for all TCs %d",
+ ret);
+ return ret;
+ }
+
+ ret = hns3_tx_buffer_alloc(hw, &pkt_buf);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "could not alloc tx buffers %d", ret);
+ return ret;
+ }
+
+ ret = hns3_rx_buffer_calc(hw, &pkt_buf);
+ if (ret) {
+ PMD_INIT_LOG(ERR,
+ "could not calc rx priv buffer size for all TCs %d",
+ ret);
+ return ret;
+ }
+
+ ret = hns3_rx_priv_buf_alloc(hw, &pkt_buf);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "could not alloc rx priv buffer %d", ret);
+ return ret;
+ }
+
+ if (hns3_dev_dcb_supported(hw)) {
+ ret = hns3_rx_priv_wl_config(hw, &pkt_buf);
+ if (ret) {
+ PMD_INIT_LOG(ERR,
+ "could not configure rx private waterline %d",
+ ret);
+ return ret;
+ }
+
+ ret = hns3_common_thrd_config(hw, &pkt_buf);
+ if (ret) {
+ PMD_INIT_LOG(ERR,
+ "could not configure common threshold %d",
+ ret);
+ return ret;
+ }
+ }
+
+ ret = hns3_common_wl_config(hw, &pkt_buf);
+ if (ret)
+ PMD_INIT_LOG(ERR, "could not configure common waterline %d",
+ ret);
+
+ return ret;
+}
+
+static int
+hns3_mac_init(struct hns3_hw *hw)
+{
+ struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
+ struct hns3_mac *mac = &hw->mac;
+ struct hns3_pf *pf = &hns->pf;
+ int ret;
+
+ pf->support_sfp_query = true;
+ mac->link_duplex = ETH_LINK_FULL_DUPLEX;
+ ret = hns3_cfg_mac_speed_dup_hw(hw, mac->link_speed, mac->link_duplex);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "Config mac speed dup fail ret = %d", ret);
+ return ret;
+ }
+
+ mac->link_status = ETH_LINK_DOWN;
+
+ return hns3_config_mtu(hw, pf->mps);
+}
+
+static int
+hns3_get_mac_ethertype_cmd_status(uint16_t cmdq_resp, uint8_t resp_code)
+{
+#define HNS3_ETHERTYPE_SUCCESS_ADD 0
+#define HNS3_ETHERTYPE_ALREADY_ADD 1
+#define HNS3_ETHERTYPE_MGR_TBL_OVERFLOW 2
+#define HNS3_ETHERTYPE_KEY_CONFLICT 3
+ int return_status;
+
+ if (cmdq_resp) {
+ PMD_INIT_LOG(ERR,
+ "cmdq execute failed for get_mac_ethertype_cmd_status, status=%d.\n",
+ cmdq_resp);
+ return -EIO;
+ }
+
+ switch (resp_code) {
+ case HNS3_ETHERTYPE_SUCCESS_ADD:
+ case HNS3_ETHERTYPE_ALREADY_ADD:
+ return_status = 0;
+ break;
+ case HNS3_ETHERTYPE_MGR_TBL_OVERFLOW:
+ PMD_INIT_LOG(ERR,
+ "add mac ethertype failed for manager table overflow.");
+ return_status = -EIO;
+ break;
+ case HNS3_ETHERTYPE_KEY_CONFLICT:
+ PMD_INIT_LOG(ERR, "add mac ethertype failed for key conflict.");
+ return_status = -EIO;
+ break;
+ default:
+ PMD_INIT_LOG(ERR,
+ "add mac ethertype failed for undefined, code=%d.",
+ resp_code);
+ return_status = -EIO;
+ }
+
+ return return_status;
+}
+
+static int
+hns3_add_mgr_tbl(struct hns3_hw *hw,
+ const struct hns3_mac_mgr_tbl_entry_cmd *req)
+{
+ struct hns3_cmd_desc desc;
+ uint8_t resp_code;
+ uint16_t retval;
+ int ret;
+
+ hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_ETHTYPE_ADD, false);
+ memcpy(desc.data, req, sizeof(struct hns3_mac_mgr_tbl_entry_cmd));
+
+ ret = hns3_cmd_send(hw, &desc, 1);
+ if (ret) {
+ PMD_INIT_LOG(ERR,
+ "add mac ethertype failed for cmd_send, ret =%d.",
+ ret);
+ return ret;
+ }
+
+ resp_code = (rte_le_to_cpu_32(desc.data[0]) >> 8) & 0xff;
+ retval = rte_le_to_cpu_16(desc.retval);
+
+ return hns3_get_mac_ethertype_cmd_status(retval, resp_code);
+}
+
+static void
+hns3_prepare_mgr_tbl(struct hns3_mac_mgr_tbl_entry_cmd *mgr_table,
+ int *table_item_num)
+{
+ struct hns3_mac_mgr_tbl_entry_cmd *tbl;
+
+ /*
+ * In current version, we add one item in management table as below:
+ * 0x0180C200000E -- LLDP MC address
+ */
+ tbl = mgr_table;
+ tbl->flags = HNS3_MAC_MGR_MASK_VLAN_B;
+ tbl->ethter_type = rte_cpu_to_le_16(HNS3_MAC_ETHERTYPE_LLDP);
+ tbl->mac_addr_hi32 = rte_cpu_to_le_32(htonl(0x0180C200));
+ tbl->mac_addr_lo16 = rte_cpu_to_le_16(htons(0x000E));
+ tbl->i_port_bitmap = 0x1;
+ *table_item_num = 1;
+}
+
+static int
+hns3_init_mgr_tbl(struct hns3_hw *hw)
+{
+#define HNS_MAC_MGR_TBL_MAX_SIZE 16
+ struct hns3_mac_mgr_tbl_entry_cmd mgr_table[HNS_MAC_MGR_TBL_MAX_SIZE];
+ int table_item_num;
+ int ret;
+ int i;
+
+ memset(mgr_table, 0, sizeof(mgr_table));
+ hns3_prepare_mgr_tbl(mgr_table, &table_item_num);
+ for (i = 0; i < table_item_num; i++) {
+ ret = hns3_add_mgr_tbl(hw, &mgr_table[i]);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "add mac ethertype failed, ret =%d",
+ ret);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+static void
+hns3_promisc_param_init(struct hns3_promisc_param *param, bool en_uc,
+ bool en_mc, bool en_bc, int vport_id)
+{
+ if (!param)
+ return;
+
+ memset(param, 0, sizeof(struct hns3_promisc_param));
+ if (en_uc)
+ param->enable = HNS3_PROMISC_EN_UC;
+ if (en_mc)
+ param->enable |= HNS3_PROMISC_EN_MC;
+ if (en_bc)
+ param->enable |= HNS3_PROMISC_EN_BC;
+ param->vf_id = vport_id;
+}
+
+static int
+hns3_cmd_set_promisc_mode(struct hns3_hw *hw, struct hns3_promisc_param *param)
+{
+ struct hns3_promisc_cfg_cmd *req;
+ struct hns3_cmd_desc desc;
+ int ret;
+
+ hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CFG_PROMISC_MODE, false);
+
+ req = (struct hns3_promisc_cfg_cmd *)desc.data;
+ req->vf_id = param->vf_id;
+ req->flag = (param->enable << HNS3_PROMISC_EN_B) |
+ HNS3_PROMISC_TX_EN_B | HNS3_PROMISC_RX_EN_B;
+
+ ret = hns3_cmd_send(hw, &desc, 1);
+ if (ret)
+ PMD_INIT_LOG(ERR, "Set promisc mode fail, status is %d", ret);
+
+ return ret;
+}
+
+static int
+hns3_set_promisc_mode(struct hns3_hw *hw, bool en_uc_pmc, bool en_mc_pmc)
+{
+ struct hns3_promisc_param param;
+ bool en_bc_pmc = true;
+ uint8_t vf_id;
+ int ret;
+
+ /*
+ * In current version VF is not supported when PF is driven by DPDK
+ * driver, the PF-related vf_id is 0, just need to configure parameters
+ * for vf_id 0.
+ */
+ vf_id = 0;
+
+ hns3_promisc_param_init(¶m, en_uc_pmc, en_mc_pmc, en_bc_pmc, vf_id);
+ ret = hns3_cmd_set_promisc_mode(hw, ¶m);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static int
+hns3_init_hardware(struct hns3_adapter *hns)
+{
+ struct hns3_hw *hw = &hns->hw;
+ int ret;
+
+ ret = hns3_map_tqp(hw);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "Failed to map tqp: %d", ret);
+ return ret;
+ }
+
+ ret = hns3_init_umv_space(hw);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "Failed to init umv space: %d", ret);
+ return ret;
+ }
+
+ ret = hns3_mac_init(hw);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "Failed to init MAC: %d", ret);
+ goto err_mac_init;
+ }
+
+ ret = hns3_init_mgr_tbl(hw);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "Failed to init manager table: %d", ret);
+ goto err_mac_init;
+ }
+
+ ret = hns3_set_promisc_mode(hw, false, false);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "Failed to set promisc mode: %d", ret);
+ goto err_mac_init;
+ }
+
+ ret = hns3_config_tso(hw, HNS3_TSO_MSS_MIN, HNS3_TSO_MSS_MAX);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "Failed to config tso: %d", ret);
+ goto err_mac_init;
+ }
+
+ ret = hns3_config_gro(hw, false);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "Failed to config gro: %d", ret);
+ goto err_mac_init;
+ }
+ return 0;
+
+err_mac_init:
+ hns3_uninit_umv_space(hw);
+ return ret;
+}
+
static int
hns3_init_pf(struct rte_eth_dev *eth_dev)
{
goto err_cmd_init;
}
+ /* Get configuration */
+ ret = hns3_get_configuration(hw);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "Failed to fetch configuration: %d", ret);
+ goto err_get_config;
+ }
+
+ ret = hns3_init_hardware(hns);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "Failed to init hardware: %d", ret);
+ goto err_get_config;
+ }
+
return 0;
+err_get_config:
+ hns3_cmd_uninit(hw);
+
err_cmd_init:
hns3_cmd_destroy_queue(hw);
PMD_INIT_FUNC_TRACE();
+ hns3_uninit_umv_space(hw);
hns3_cmd_uninit(hw);
hns3_cmd_destroy_queue(hw);
hw->io_base = NULL;
hns->is_vf = false;
hw->data = eth_dev->data;
+ /*
+ * Set default max packet size according to the mtu
+ * default vale in DPDK frame.
+ */
+ hns->pf.mps = hw->data->mtu + HNS3_ETH_OVERHEAD;
+
ret = hns3_init_pf(eth_dev);
if (ret) {
PMD_INIT_LOG(ERR, "Failed to init pf: %d", ret);
goto err_init_pf;
}
+
+ /* Allocate memory for storing MAC addresses */
+ eth_dev->data->mac_addrs = rte_zmalloc("hns3-mac",
+ sizeof(struct rte_ether_addr) *
+ HNS3_UC_MACADDR_NUM, 0);
+ if (eth_dev->data->mac_addrs == NULL) {
+ PMD_INIT_LOG(ERR, "Failed to allocate %zx bytes needed "
+ "to store MAC addresses",
+ sizeof(struct rte_ether_addr) *
+ HNS3_UC_MACADDR_NUM);
+ ret = -ENOMEM;
+ goto err_rte_zmalloc;
+ }
+
+ rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.mac_addr,
+ ð_dev->data->mac_addrs[0]);
+
hw->adapter_state = HNS3_NIC_INITIALIZED;
/*
* Pass the information to the rte_eth_dev_close() that it should also
*/
eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE;
+ hns3_info(hw, "hns3 dev initialization successful!");
return 0;
+err_rte_zmalloc:
+ hns3_uninit_pf(eth_dev);
+
err_init_pf:
eth_dev->dev_ops = NULL;
eth_dev->rx_pkt_burst = NULL;
git.droids-corp.org / dpdk.git / commitdiff