hikptool/0019-Complete-the-developing-of-hikptool-ub_bp-function.patch

From 4e6d7c9e6614b3d7eaa83a513b06a53f93a23484 Mon Sep 17 00:00:00 2001
From: veega2022 <zhuweijia@huawei.com>
Date: Thu, 11 May 2023 08:58:01 +0800
Subject: [PATCH 10/15] Complete the developing of hikptool ub_bp function

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 */
-- 
2.36.1.windows.1