Adding upstream version 6.1.0.upstream/6.1.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 384 insertions, 0 deletions

diff --git a/rdma/link.c b/rdma/link.c
new file mode 100644
index 0000000..bf24b84
--- /dev/null
+++ b/rdma/link.c
@@ -0,0 +1,384 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+/*
+ * link.c	RDMA tool
+ * Authors:     Leon Romanovsky <leonro@mellanox.com>
+ */
+
+#include "rdma.h"
+
+static int link_help(struct rd *rd)
+{
+	pr_out("Usage: %s link show [DEV/PORT_INDEX]\n", rd->filename);
+	pr_out("Usage: %s link add NAME type TYPE netdev NETDEV\n",
+	       rd->filename);
+	pr_out("Usage: %s link delete NAME\n", rd->filename);
+	return 0;
+}
+
+static const char *caps_to_str(uint32_t idx)
+{
+#define RDMA_PORT_FLAGS_LOW(x) \
+	x(RESERVED, 0) \
+	x(SM, 1) \
+	x(NOTICE, 2) \
+	x(TRAP, 3) \
+	x(OPT_IPD, 4) \
+	x(AUTO_MIGR, 5) \
+	x(SL_MAP, 6) \
+	x(MKEY_NVRAM, 7) \
+	x(PKEY_NVRAM, 8) \
+	x(LED_INFO, 9) \
+	x(SM_DISABLED, 10) \
+	x(SYS_IMAGE_GUID, 11) \
+	x(PKEY_SW_EXT_PORT_TRAP, 12) \
+	x(CABLE_INFO, 13) \
+	x(EXTENDED_SPEEDS, 14) \
+	x(CAP_MASK2, 15) \
+	x(CM, 16) \
+	x(SNMP_TUNNEL, 17) \
+	x(REINIT, 18) \
+	x(DEVICE_MGMT, 19) \
+	x(VENDOR_CLASS, 20) \
+	x(DR_NOTICE, 21) \
+	x(CAP_MASK_NOTICE, 22) \
+	x(BOOT_MGMT, 23) \
+	x(LINK_LATENCY, 24) \
+	x(CLIENT_REG, 25) \
+	x(OTHER_LOCAL_CHANGES, 26) \
+	x(LINK_SPPED_WIDTH, 27) \
+	x(VENDOR_SPECIFIC_MADS, 28) \
+	x(MULT_PKER_TRAP, 29) \
+	x(MULT_FDB, 30) \
+	x(HIERARCHY_INFO, 31)
+
+#define RDMA_PORT_FLAGS_HIGH(x) \
+	x(SET_NODE_DESC, 0) \
+	x(EXT_INFO, 1) \
+	x(VIRT, 2) \
+	x(SWITCH_POR_STATE_TABLE, 3) \
+	x(LINK_WIDTH_2X, 4) \
+	x(LINK_SPEED_HDR, 5)
+
+	/*
+	 * Separation below is needed to allow compilation of rdmatool
+	 * on 32bits systems. On such systems, C-enum is limited to be
+	 * int and can't hold more than 32 bits.
+	 */
+	enum { RDMA_PORT_FLAGS_LOW(RDMA_BITMAP_ENUM) };
+	enum { RDMA_PORT_FLAGS_HIGH(RDMA_BITMAP_ENUM) };
+
+	static const char * const
+		rdma_port_names_low[] = { RDMA_PORT_FLAGS_LOW(RDMA_BITMAP_NAMES) };
+	static const char * const
+		rdma_port_names_high[] = { RDMA_PORT_FLAGS_HIGH(RDMA_BITMAP_NAMES) };
+	uint32_t high_idx;
+	#undef RDMA_PORT_FLAGS_LOW
+	#undef RDMA_PORT_FLAGS_HIGH
+
+	if (idx < ARRAY_SIZE(rdma_port_names_low) && rdma_port_names_low[idx])
+		return rdma_port_names_low[idx];
+
+	high_idx = idx - ARRAY_SIZE(rdma_port_names_low);
+	if (high_idx < ARRAY_SIZE(rdma_port_names_high) &&
+	    rdma_port_names_high[high_idx])
+		return rdma_port_names_high[high_idx];
+
+	return "UNKNOWN";
+}
+
+static void link_print_caps(struct rd *rd, struct nlattr **tb)
+{
+	uint64_t caps;
+	uint32_t idx;
+
+	if (!tb[RDMA_NLDEV_ATTR_CAP_FLAGS])
+		return;
+
+	caps = mnl_attr_get_u64(tb[RDMA_NLDEV_ATTR_CAP_FLAGS]);
+
+	print_color_string(PRINT_FP, COLOR_NONE, NULL, "\n    caps: <", NULL);
+	open_json_array(PRINT_JSON, "caps");
+	for (idx = 0; caps; idx++) {
+		if (caps & 0x1)
+			print_color_string(PRINT_ANY, COLOR_NONE, NULL,
+					   caps >> 0x1 ? "%s, " : "%s",
+					   caps_to_str(idx));
+		caps >>= 0x1;
+	}
+	close_json_array(PRINT_ANY, ">");
+}
+
+static void link_print_subnet_prefix(struct rd *rd, struct nlattr **tb)
+{
+	uint64_t subnet_prefix;
+	uint16_t vp[4];
+	char str[32];
+
+	if (!tb[RDMA_NLDEV_ATTR_SUBNET_PREFIX])
+		return;
+
+	subnet_prefix = mnl_attr_get_u64(tb[RDMA_NLDEV_ATTR_SUBNET_PREFIX]);
+	memcpy(vp, &subnet_prefix, sizeof(uint64_t));
+	snprintf(str, 32, "%04x:%04x:%04x:%04x", vp[3], vp[2], vp[1], vp[0]);
+	print_color_string(PRINT_ANY, COLOR_NONE, "subnet_prefix",
+			   "subnet_prefix %s ", str);
+}
+
+static void link_print_lid(struct rd *rd, struct nlattr **tb)
+{
+	uint32_t lid;
+
+	if (!tb[RDMA_NLDEV_ATTR_LID])
+		return;
+
+	lid = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_LID]);
+	print_color_uint(PRINT_ANY, COLOR_NONE, "lid", "lid %u ", lid);
+}
+
+static void link_print_sm_lid(struct rd *rd, struct nlattr **tb)
+{
+	uint32_t sm_lid;
+
+	if (!tb[RDMA_NLDEV_ATTR_SM_LID])
+		return;
+
+	sm_lid = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_SM_LID]);
+	print_color_uint(PRINT_ANY, COLOR_NONE, "sm_lid", "sm_lid %u ", sm_lid);
+}
+
+static void link_print_lmc(struct rd *rd, struct nlattr **tb)
+{
+	uint8_t lmc;
+
+	if (!tb[RDMA_NLDEV_ATTR_LMC])
+		return;
+
+	lmc = mnl_attr_get_u8(tb[RDMA_NLDEV_ATTR_LMC]);
+	print_color_uint(PRINT_ANY, COLOR_NONE, "lmc", "lmc %u ", lmc);
+}
+
+static const char *link_state_to_str(uint8_t link_state)
+{
+	static const char * const link_state_str[] = { "NOP", "DOWN",
+						       "INIT", "ARMED",
+						       "ACTIVE",
+						       "ACTIVE_DEFER" };
+	if (link_state < ARRAY_SIZE(link_state_str))
+		return link_state_str[link_state];
+	return "UNKNOWN";
+}
+
+static void link_print_state(struct rd *rd, struct nlattr **tb)
+{
+	uint8_t state;
+
+	if (!tb[RDMA_NLDEV_ATTR_PORT_STATE])
+		return;
+
+	state = mnl_attr_get_u8(tb[RDMA_NLDEV_ATTR_PORT_STATE]);
+	print_color_string(PRINT_ANY, COLOR_NONE, "state", "state %s ",
+			   link_state_to_str(state));
+}
+
+static const char *phys_state_to_str(uint8_t phys_state)
+{
+	static const char * const phys_state_str[] = { "NOP", "SLEEP",
+						       "POLLING", "DISABLED",
+						       "ARMED", "LINK_UP",
+						       "LINK_ERROR_RECOVER",
+						       "PHY_TEST", "UNKNOWN",
+						       "OPA_OFFLINE",
+						       "UNKNOWN", "OPA_TEST" };
+	if (phys_state < ARRAY_SIZE(phys_state_str))
+		return phys_state_str[phys_state];
+	return "UNKNOWN";
+};
+
+static void link_print_phys_state(struct rd *rd, struct nlattr **tb)
+{
+	uint8_t phys_state;
+
+	if (!tb[RDMA_NLDEV_ATTR_PORT_PHYS_STATE])
+		return;
+
+	phys_state = mnl_attr_get_u8(tb[RDMA_NLDEV_ATTR_PORT_PHYS_STATE]);
+	print_color_string(PRINT_ANY, COLOR_NONE, "physical_state",
+			   "physical_state %s ", phys_state_to_str(phys_state));
+}
+
+static void link_print_netdev(struct rd *rd, struct nlattr **tb)
+{
+	const char *netdev_name;
+	uint32_t idx;
+
+	if (!tb[RDMA_NLDEV_ATTR_NDEV_NAME] || !tb[RDMA_NLDEV_ATTR_NDEV_INDEX])
+		return;
+
+	netdev_name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_NDEV_NAME]);
+	idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_NDEV_INDEX]);
+	print_color_string(PRINT_ANY, COLOR_NONE, "netdev", "netdev %s ",
+			   netdev_name);
+	print_color_uint(PRINT_ANY, COLOR_NONE, "netdev_index",
+			 rd->show_details ? "netdev_index %u " : "", idx);
+}
+
+static int link_parse_cb(const struct nlmsghdr *nlh, void *data)
+{
+	struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
+	struct rd *rd = data;
+	uint32_t port, idx;
+	const char *name;
+
+	mnl_attr_parse(nlh, 0, rd_attr_cb, tb);
+	if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] || !tb[RDMA_NLDEV_ATTR_DEV_NAME])
+		return MNL_CB_ERROR;
+
+	if (!tb[RDMA_NLDEV_ATTR_PORT_INDEX]) {
+		pr_err("This tool doesn't support switches yet\n");
+		return MNL_CB_ERROR;
+	}
+
+	idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
+	port = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_PORT_INDEX]);
+	name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
+
+	open_json_object(NULL);
+	print_color_uint(PRINT_JSON, COLOR_NONE, "ifindex", NULL, idx);
+	print_color_string(PRINT_ANY, COLOR_NONE, "ifname", "link %s/", name);
+	print_color_uint(PRINT_ANY, COLOR_NONE, "port", "%u ", port);
+	link_print_subnet_prefix(rd, tb);
+	link_print_lid(rd, tb);
+	link_print_sm_lid(rd, tb);
+	link_print_lmc(rd, tb);
+	link_print_state(rd, tb);
+	link_print_phys_state(rd, tb);
+	link_print_netdev(rd, tb);
+	if (rd->show_details)
+		link_print_caps(rd, tb);
+
+	newline(rd);
+	return MNL_CB_OK;
+}
+
+static int link_no_args(struct rd *rd)
+{
+	uint32_t seq;
+	int ret;
+
+	rd_prepare_msg(rd, RDMA_NLDEV_CMD_PORT_GET, &seq,
+		       (NLM_F_REQUEST | NLM_F_ACK));
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx);
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_PORT_INDEX, rd->port_idx);
+	ret = rd_send_msg(rd);
+	if (ret)
+		return ret;
+
+	ret = rd_recv_msg(rd, link_parse_cb, rd, seq);
+	return ret;
+}
+
+static int link_one_show(struct rd *rd)
+{
+	const struct rd_cmd cmds[] = {
+		{ NULL,		link_no_args},
+		{ 0 }
+	};
+
+	if (!rd->port_idx)
+		return 0;
+
+	return rd_exec_cmd(rd, cmds, "parameter");
+}
+
+static int link_show(struct rd *rd)
+{
+	return rd_exec_link(rd, link_one_show, true);
+}
+
+static int link_add_netdev(struct rd *rd)
+{
+	char *link_netdev;
+	uint32_t seq;
+
+	if (rd_no_arg(rd)) {
+		pr_err("Please provide a net device name.\n");
+		return -EINVAL;
+	}
+
+	link_netdev = rd_argv(rd);
+	rd_prepare_msg(rd, RDMA_NLDEV_CMD_NEWLINK, &seq,
+		       (NLM_F_REQUEST | NLM_F_ACK));
+	mnl_attr_put_strz(rd->nlh, RDMA_NLDEV_ATTR_DEV_NAME, rd->link_name);
+	mnl_attr_put_strz(rd->nlh, RDMA_NLDEV_ATTR_LINK_TYPE, rd->link_type);
+	mnl_attr_put_strz(rd->nlh, RDMA_NLDEV_ATTR_NDEV_NAME, link_netdev);
+	return rd_sendrecv_msg(rd, seq);
+}
+
+static int link_add_type(struct rd *rd)
+{
+	const struct rd_cmd cmds[] = {
+		{ NULL,		link_help},
+		{ "netdev",	link_add_netdev},
+		{ 0 }
+	};
+
+	if (rd_no_arg(rd)) {
+		pr_err("Please provide a link type name.\n");
+		return -EINVAL;
+	}
+	rd->link_type = rd_argv(rd);
+	rd_arg_inc(rd);
+	return rd_exec_cmd(rd, cmds, "parameter");
+}
+
+static int link_add(struct rd *rd)
+{
+	const struct rd_cmd cmds[] = {
+		{ NULL,		link_help},
+		{ "type",	link_add_type},
+		{ 0 }
+	};
+
+	if (rd_no_arg(rd)) {
+		pr_err("Please provide a link name to add.\n");
+		return -EINVAL;
+	}
+	rd->link_name = rd_argv(rd);
+	rd_arg_inc(rd);
+
+	return rd_exec_cmd(rd, cmds, "parameter");
+}
+
+static int _link_del(struct rd *rd)
+{
+	uint32_t seq;
+
+	if (!rd_no_arg(rd)) {
+		pr_err("Unknown parameter %s\n", rd_argv(rd));
+		return -EINVAL;
+	}
+	rd_prepare_msg(rd, RDMA_NLDEV_CMD_DELLINK, &seq,
+		       (NLM_F_REQUEST | NLM_F_ACK));
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx);
+	return rd_sendrecv_msg(rd, seq);
+}
+
+static int link_del(struct rd *rd)
+{
+	return rd_exec_require_dev(rd, _link_del);
+}
+
+int cmd_link(struct rd *rd)
+{
+	const struct rd_cmd cmds[] = {
+		{ NULL,		link_show },
+		{ "add",	link_add },
+		{ "delete",	link_del },
+		{ "show",	link_show },
+		{ "list",	link_show },
+		{ "help",	link_help },
+		{ 0 }
+	};
+
+	return rd_exec_cmd(rd, cmds, "link command");
+}