Adding upstream version 6.8.0.upstream/6.8.0

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

1 files changed, 381 insertions, 0 deletions

diff --git a/rdma/dev.c b/rdma/dev.c
new file mode 100644
index 0000000..f495b71
--- /dev/null
+++ b/rdma/dev.c
@@ -0,0 +1,381 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+/*
+ * dev.c	RDMA tool
+ * Authors:     Leon Romanovsky <leonro@mellanox.com>
+ */
+
+#include <fcntl.h>
+#include "rdma.h"
+
+static int dev_help(struct rd *rd)
+{
+	pr_out("Usage: %s dev show [DEV]\n", rd->filename);
+	pr_out("       %s dev set [DEV] name DEVNAME\n", rd->filename);
+	pr_out("       %s dev set [DEV] netns NSNAME\n", rd->filename);
+	pr_out("       %s dev set [DEV] adaptive-moderation [on|off]\n", rd->filename);
+	return 0;
+}
+
+static const char *dev_caps_to_str(uint32_t idx)
+{
+#define RDMA_DEV_FLAGS_LOW(x) \
+	x(RESIZE_MAX_WR, 0) \
+	x(BAD_PKEY_CNTR, 1) \
+	x(BAD_QKEY_CNTR, 2) \
+	x(RAW_MULTI, 3) \
+	x(AUTO_PATH_MIG, 4) \
+	x(CHANGE_PHY_PORT, 5) \
+	x(UD_AV_PORT_ENFORCE_PORT_ENFORCE, 6) \
+	x(CURR_QP_STATE_MOD, 7) \
+	x(SHUTDOWN_PORT, 8) \
+	x(INIT_TYPE, 9) \
+	x(PORT_ACTIVE_EVENT, 10) \
+	x(SYS_IMAGE_GUID, 11) \
+	x(RC_RNR_NAK_GEN, 12) \
+	x(SRQ_RESIZE, 13) \
+	x(N_NOTIFY_CQ, 14) \
+	x(LOCAL_DMA_LKEY, 15) \
+	x(MEM_WINDOW, 17) \
+	x(UD_IP_CSUM, 18) \
+	x(UD_TSO, 19) \
+	x(XRC, 20) \
+	x(MEM_MGT_EXTENSIONS, 21) \
+	x(BLOCK_MULTICAST_LOOPBACK, 22) \
+	x(MEM_WINDOW_TYPE_2A, 23) \
+	x(MEM_WINDOW_TYPE_2B, 24) \
+	x(RC_IP_CSUM, 25) \
+	x(RAW_IP_CSUM, 26) \
+	x(CROSS_CHANNEL, 27) \
+	x(MANAGED_FLOW_STEERING, 29) \
+	x(SIGNATURE_HANDOVER, 30) \
+	x(ON_DEMAND_PAGING, 31)
+
+#define RDMA_DEV_FLAGS_HIGH(x) \
+	x(SG_GAPS_REG, 0) \
+	x(VIRTUAL_FUNCTION, 1) \
+	x(RAW_SCATTER_FCS, 2) \
+	x(RDMA_NETDEV_OPA_VNIC, 3) \
+	x(PCI_WRITE_END_PADDING, 4)
+
+	/*
+	 * 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_DEV_FLAGS_LOW(RDMA_BITMAP_ENUM) };
+	enum { RDMA_DEV_FLAGS_HIGH(RDMA_BITMAP_ENUM) };
+
+	static const char * const
+		rdma_dev_names_low[] = { RDMA_DEV_FLAGS_LOW(RDMA_BITMAP_NAMES) };
+	static const char * const
+		rdma_dev_names_high[] = { RDMA_DEV_FLAGS_HIGH(RDMA_BITMAP_NAMES) };
+	uint32_t high_idx;
+	#undef RDMA_DEV_FLAGS_LOW
+	#undef RDMA_DEV_FLAGS_HIGH
+
+	if (idx < ARRAY_SIZE(rdma_dev_names_low) && rdma_dev_names_low[idx])
+		return rdma_dev_names_low[idx];
+
+	high_idx = idx - ARRAY_SIZE(rdma_dev_names_low);
+	if (high_idx <  ARRAY_SIZE(rdma_dev_names_high) &&
+	    rdma_dev_names_high[high_idx])
+		return rdma_dev_names_high[high_idx];
+
+	return "UNKNOWN";
+}
+
+static void dev_print_caps(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_string(PRINT_FP, NULL, "%s    caps: <", _SL_);
+	open_json_array(PRINT_JSON, "caps");
+	for (idx = 0; caps; idx++) {
+		if (caps & 0x1)
+			print_string(PRINT_ANY, NULL,
+					   caps >> 0x1 ? "%s, " : "%s",
+					   dev_caps_to_str(idx));
+		caps >>= 0x1;
+	}
+	close_json_array(PRINT_ANY, ">");
+}
+
+static void dev_print_fw(struct nlattr **tb)
+{
+	const char *str;
+
+	if (!tb[RDMA_NLDEV_ATTR_FW_VERSION])
+		return;
+
+	str = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_FW_VERSION]);
+	print_string(PRINT_ANY, "fw", "fw %s ", str);
+}
+
+static void dev_print_node_guid(struct nlattr **tb)
+{
+	uint64_t node_guid;
+	uint16_t vp[4];
+	char str[32];
+
+	if (!tb[RDMA_NLDEV_ATTR_NODE_GUID])
+		return;
+
+	node_guid = mnl_attr_get_u64(tb[RDMA_NLDEV_ATTR_NODE_GUID]);
+	memcpy(vp, &node_guid, sizeof(uint64_t));
+	snprintf(str, 32, "%04x:%04x:%04x:%04x", vp[3], vp[2], vp[1], vp[0]);
+	print_string(PRINT_ANY, "node_guid", "node_guid %s ",
+			   str);
+}
+
+static void dev_print_sys_image_guid(struct nlattr **tb)
+{
+	uint64_t sys_image_guid;
+	uint16_t vp[4];
+	char str[32];
+
+	if (!tb[RDMA_NLDEV_ATTR_SYS_IMAGE_GUID])
+		return;
+
+	sys_image_guid = mnl_attr_get_u64(tb[RDMA_NLDEV_ATTR_SYS_IMAGE_GUID]);
+	memcpy(vp, &sys_image_guid, sizeof(uint64_t));
+	snprintf(str, 32, "%04x:%04x:%04x:%04x", vp[3], vp[2], vp[1], vp[0]);
+	print_string(PRINT_ANY, "sys_image_guid", "sys_image_guid %s ", str);
+}
+
+static void dev_print_dim_setting(struct nlattr **tb)
+{
+	uint8_t dim_setting;
+
+	if (!tb[RDMA_NLDEV_ATTR_DEV_DIM])
+		return;
+
+	dim_setting = mnl_attr_get_u8(tb[RDMA_NLDEV_ATTR_DEV_DIM]);
+	if (dim_setting > 1)
+		return;
+
+	print_on_off(PRINT_ANY, "adaptive-moderation", "adaptive-moderation %s ", dim_setting);
+
+}
+
+static const char *node_type_to_str(uint8_t node_type)
+{
+	static const char * const node_type_str[] = { "unknown", "ca",
+						      "switch", "router",
+						      "rnic", "usnic",
+						      "usnic_udp",
+						      "unspecified" };
+	if (node_type < ARRAY_SIZE(node_type_str))
+		return node_type_str[node_type];
+	return "unknown";
+}
+
+static void dev_print_node_type(struct nlattr **tb)
+{
+	const char *node_str;
+	uint8_t node_type;
+
+	if (!tb[RDMA_NLDEV_ATTR_DEV_NODE_TYPE])
+		return;
+
+	node_type = mnl_attr_get_u8(tb[RDMA_NLDEV_ATTR_DEV_NODE_TYPE]);
+	node_str = node_type_to_str(node_type);
+	print_string(PRINT_ANY, "node_type", "node_type %s ", node_str);
+}
+
+static void dev_print_dev_proto(struct nlattr **tb)
+{
+	const char *str;
+
+	if (!tb[RDMA_NLDEV_ATTR_DEV_PROTOCOL])
+		return;
+
+	str = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_PROTOCOL]);
+	print_string(PRINT_ANY, "protocol", "protocol %s ", str);
+}
+
+static int dev_parse_cb(const struct nlmsghdr *nlh, void *data)
+{
+	struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
+	struct rd *rd = data;
+	const char *name;
+	uint32_t idx;
+
+	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;
+
+	open_json_object(NULL);
+	idx =  mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
+	name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
+	print_uint(PRINT_ANY, "ifindex", "%u: ", idx);
+	print_string(PRINT_ANY, "ifname", "%s: ", name);
+
+	dev_print_node_type(tb);
+	dev_print_dev_proto(tb);
+	dev_print_fw(tb);
+	dev_print_node_guid(tb);
+	dev_print_sys_image_guid(tb);
+	if (rd->show_details) {
+		dev_print_dim_setting(tb);
+		dev_print_caps(tb);
+	}
+
+	close_json_object();
+	newline();
+
+	return MNL_CB_OK;
+}
+
+static int dev_no_args(struct rd *rd)
+{
+	uint32_t seq;
+	int ret;
+
+	rd_prepare_msg(rd, RDMA_NLDEV_CMD_GET,
+		       &seq, (NLM_F_REQUEST | NLM_F_ACK));
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx);
+	ret = rd_send_msg(rd);
+	if (ret)
+		return ret;
+
+	ret = rd_recv_msg(rd, dev_parse_cb, rd, seq);
+	return ret;
+}
+
+static int dev_one_show(struct rd *rd)
+{
+	const struct rd_cmd cmds[] = {
+		{ NULL,		dev_no_args},
+		{ 0 }
+	};
+
+	return rd_exec_cmd(rd, cmds, "parameter");
+}
+
+static int dev_set_name(struct rd *rd)
+{
+	uint32_t seq;
+
+	if (rd_no_arg(rd)) {
+		pr_err("Please provide device new name.\n");
+		return -EINVAL;
+	}
+
+	rd_prepare_msg(rd, RDMA_NLDEV_CMD_SET,
+		       &seq, (NLM_F_REQUEST | NLM_F_ACK));
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx);
+	mnl_attr_put_strz(rd->nlh, RDMA_NLDEV_ATTR_DEV_NAME, rd_argv(rd));
+
+	return rd_sendrecv_msg(rd, seq);
+}
+
+static int dev_set_netns(struct rd *rd)
+{
+	char *netns_path;
+	uint32_t seq;
+	int netns;
+	int ret;
+
+	if (rd_no_arg(rd)) {
+		pr_err("Please provide device name.\n");
+		return -EINVAL;
+	}
+
+	if (asprintf(&netns_path, "%s/%s", NETNS_RUN_DIR, rd_argv(rd)) < 0)
+		return -ENOMEM;
+
+	netns = open(netns_path, O_RDONLY | O_CLOEXEC);
+	if (netns < 0) {
+		fprintf(stderr, "Cannot open network namespace \"%s\": %s\n",
+			rd_argv(rd), strerror(errno));
+		ret = -EINVAL;
+		goto done;
+	}
+
+	rd_prepare_msg(rd, RDMA_NLDEV_CMD_SET,
+		       &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_NET_NS_FD, netns);
+	ret = rd_sendrecv_msg(rd, seq);
+	close(netns);
+done:
+	free(netns_path);
+	return ret;
+}
+
+static int dev_set_dim_sendmsg(struct rd *rd, uint8_t dim_setting)
+{
+	uint32_t seq;
+
+	rd_prepare_msg(rd, RDMA_NLDEV_CMD_SET, &seq,
+		       (NLM_F_REQUEST | NLM_F_ACK));
+	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx);
+	mnl_attr_put_u8(rd->nlh, RDMA_NLDEV_ATTR_DEV_DIM, dim_setting);
+
+	return rd_sendrecv_msg(rd, seq);
+}
+
+static int dev_set_dim_off(struct rd *rd)
+{
+	return dev_set_dim_sendmsg(rd, 0);
+}
+
+static int dev_set_dim_on(struct rd *rd)
+{
+	return dev_set_dim_sendmsg(rd, 1);
+}
+
+static int dev_set_dim(struct rd *rd)
+{
+	const struct rd_cmd cmds[] = {
+		{ NULL,		dev_help},
+		{ "on",		dev_set_dim_on},
+		{ "off",	dev_set_dim_off},
+		{ 0 }
+	};
+
+	return rd_exec_cmd(rd, cmds, "parameter");
+}
+
+static int dev_one_set(struct rd *rd)
+{
+	const struct rd_cmd cmds[] = {
+		{ NULL,		dev_help},
+		{ "name",	dev_set_name},
+		{ "netns",	dev_set_netns},
+		{ "adaptive-moderation",	dev_set_dim},
+		{ 0 }
+	};
+
+	return rd_exec_cmd(rd, cmds, "parameter");
+}
+
+static int dev_show(struct rd *rd)
+{
+	return rd_exec_dev(rd, dev_one_show);
+}
+
+static int dev_set(struct rd *rd)
+{
+	return rd_exec_require_dev(rd, dev_one_set);
+}
+
+int cmd_dev(struct rd *rd)
+{
+	const struct rd_cmd cmds[] = {
+		{ NULL,		dev_show },
+		{ "show",	dev_show },
+		{ "list",	dev_show },
+		{ "set",	dev_set },
+		{ "help",	dev_help },
+		{ 0 }
+	};
+
+	return rd_exec_cmd(rd, cmds, "dev command");
+}