From: veega2022 zhuweijia@huawei.com
The hikptool ub_bp command is submitted for the first time. This command can be used to query the back pressure status of the VL in the UB-N.
Signed-off-by: Jianqiang Li lijianqiang16@huawei.com --- net/ub/ub_bp/hikp_ub_bp.c | 102 ++++++++++++++++++++++++++++++++++++++ net/ub/ub_bp/hikp_ub_bp.h | 39 +++++++++++++++ 2 files changed, 141 insertions(+) create mode 100644 net/ub/ub_bp/hikp_ub_bp.c create mode 100644 net/ub/ub_bp/hikp_ub_bp.h
diff --git a/net/ub/ub_bp/hikp_ub_bp.c b/net/ub/ub_bp/hikp_ub_bp.c new file mode 100644 index 0000000..70a9a4b --- /dev/null +++ b/net/ub/ub_bp/hikp_ub_bp.c @@ -0,0 +1,102 @@ +/* + * Copyright (c) 2023 Hisilicon Technologies Co., Ltd. + * Hikptool is licensed under Mulan PSL v2. + * You can use this software according to the terms and conditions of the Mulan PSL v2. + * You may obtain a copy of Mulan PSL v2 at: + * http://license.coscl.org.cn/MulanPSL2 + * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, + * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE. + * + * See the Mulan PSL v2 for more details. + */ + +#include "hikp_ub_bp.h" + +static struct ub_bp_param g_ub_bp_param = { 0 }; + +static int hikp_ub_bp_help(struct major_cmd_ctrl *self, const char *argv) +{ + printf("\n Usage: %s %s\n", self->cmd_ptr->name, "-i <interface>\n"); + printf("\n %s\n", self->cmd_ptr->help_info); + printf(" Options:\n\n"); + printf(" %s, %-25s %s\n", "-h", "--help", "display this help and exit"); + printf(" %s, %-25s %s\n", "-i", "--interface=<interface>", + "device target or bdf id, e.g. ubn0 or 0000:35:00.0"); + printf("\n"); + return 0; +} + +static int hikp_ub_bp_target(struct major_cmd_ctrl *self, const char *argv) +{ + self->err_no = tool_check_and_get_valid_bdf_id(argv, &(g_ub_bp_param.target)); + if (self->err_no) { + snprintf(self->err_str, sizeof(self->err_str), "Unknown device %s.", argv); + return self->err_no; + } + return 0; +} + +static void hikp_ub_bp_info_show(const struct ub_bp_rsp *info) +{ + int bp_val_offset; + + printf("%-28s : %u\n", "mac id", info->mac_id); + printf("%-28s : ", "back pressure status"); + + for (bp_val_offset = MAX_VL_NUM; bp_val_offset >= 0; bp_val_offset--) { + printf("%d", HI_GETBIT(info->bp_val, bp_val_offset) ? 1 : 0); + } + printf("\n"); +} + + +static int hikp_ub_query_bp(const struct bdf_t *bdf) +{ + struct hikp_cmd_header header = { 0 }; + struct ub_bp_req_para req = { 0 }; + struct hikp_cmd_ret *cmd_ret; + struct ub_bp_rsp *rsp; + + req.bdf = *bdf; + hikp_cmd_init(&header, UB_MOD, GET_UB_BP_INFO_CMD, UB_BP_INFO_DUMP); + cmd_ret = hikp_cmd_alloc(&header, &req, sizeof(req)); + if (cmd_ret == NULL || cmd_ret->status != 0) { + free(cmd_ret); + cmd_ret = NULL; + return -EIO; + } + + rsp = (struct ub_bp_rsp *)cmd_ret->rsp_data; + hikp_ub_bp_info_show(rsp); + + free(cmd_ret); + cmd_ret = NULL; + return 0; +} + +static void hikp_ub_bp_cmd_execute(struct major_cmd_ctrl *self) +{ + struct bdf_t *bdf = &g_ub_bp_param.target.bdf; + int ret; + + ret = hikp_ub_query_bp(bdf); + if (ret != 0) { + snprintf(self->err_str, sizeof(self->err_str), "fail to get ub bp info."); + self->err_no = ret; + return; + } +} + +static void cmd_ub_bp_init(void) +{ + struct major_cmd_ctrl *major_cmd = get_major_cmd(); + + major_cmd->option_count = 0; + major_cmd->execute = hikp_ub_bp_cmd_execute; + + cmd_option_register("-h", "--help", false, hikp_ub_bp_help); + cmd_option_register("-i", "--interface", true, hikp_ub_bp_target); +} + +HIKP_CMD_DECLARE("ub_bp", "get ub bp information", cmd_ub_bp_init); diff --git a/net/ub/ub_bp/hikp_ub_bp.h b/net/ub/ub_bp/hikp_ub_bp.h new file mode 100644 index 0000000..0bd4740 --- /dev/null +++ b/net/ub/ub_bp/hikp_ub_bp.h @@ -0,0 +1,39 @@ +/* + * Copyright (c) 2023 Hisilicon Technologies Co., Ltd. + * Hikptool is licensed under Mulan PSL v2. + * You can use this software according to the terms and conditions of the Mulan PSL v2. + * You may obtain a copy of Mulan PSL v2 at: + * http://license.coscl.org.cn/MulanPSL2 + * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, + * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, + * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE. + * + * See the Mulan PSL v2 for more details. + */ + +#ifndef HIKP_UB_BP_H +#define HIKP_UB_BP_H + +#include "hikp_net_lib.h" + +#define MAX_VL_NUM 17 + +enum ub_bp_sub_cmd_type { + UB_BP_INFO_DUMP = 0, +}; + +struct ub_bp_param { + struct tool_target target; +}; + +struct ub_bp_req_para { + struct bdf_t bdf; +}; + +struct ub_bp_rsp { + uint8_t mac_id; + uint8_t rsvd[3]; + uint32_t bp_val; +}; + +#endif /* HIKP_UB_BP_H */