+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
/*
* dev.c RDMA tool
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
* 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(x) \
+#define RDMA_DEV_FLAGS_LOW(x) \
x(RESIZE_MAX_WR, 0) \
x(BAD_PKEY_CNTR, 1) \
x(BAD_QKEY_CNTR, 2) \
x(CROSS_CHANNEL, 27) \
x(MANAGED_FLOW_STEERING, 29) \
x(SIGNATURE_HANDOVER, 30) \
- x(ON_DEMAND_PAGING, 31) \
- x(SG_GAPS_REG, 32) \
- x(VIRTUAL_FUNCTION, 33) \
- x(RAW_SCATTER_FCS, 34) \
- x(RDMA_NETDEV_OPA_VNIC, 35)
-
- enum { RDMA_DEV_FLAGS(RDMA_BITMAP_ENUM) };
+ 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[] = { RDMA_DEV_FLAGS(RDMA_BITMAP_NAMES) };
- #undef RDMA_DEV_FLAGS
+ 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];
- if (idx < ARRAY_SIZE(rdma_dev_names) && rdma_dev_names[idx])
- return rdma_dev_names[idx];
return "UNKNOWN";
}
caps = mnl_attr_get_u64(tb[RDMA_NLDEV_ATTR_CAP_FLAGS]);
- if (rd->json_output) {
- jsonw_name(rd->jw, "caps");
- jsonw_start_array(rd->jw);
- } else {
- pr_out("\n caps: <");
- }
+ 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) {
- if (rd->json_output) {
- jsonw_string(rd->jw, dev_caps_to_str(idx));
- } else {
- pr_out("%s", dev_caps_to_str(idx));
- if (caps >> 0x1)
- pr_out(", ");
- }
- }
+ if (caps & 0x1)
+ print_color_string(PRINT_ANY, COLOR_NONE, NULL,
+ caps >> 0x1 ? "%s, " : "%s",
+ dev_caps_to_str(idx));
caps >>= 0x1;
}
-
- if (rd->json_output)
- jsonw_end_array(rd->jw);
- else
- pr_out(">");
+ close_json_array(PRINT_ANY, ">");
}
static void dev_print_fw(struct rd *rd, struct nlattr **tb)
return;
str = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_FW_VERSION]);
- if (rd->json_output)
- jsonw_string_field(rd->jw, "fw", str);
- else
- pr_out("fw %s ", str);
+ print_color_string(PRINT_ANY, COLOR_NONE, "fw", "fw %s ", str);
}
static void dev_print_node_guid(struct rd *rd, struct nlattr **tb)
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]);
- if (rd->json_output)
- jsonw_string_field(rd->jw, "node_guid", str);
- else
- pr_out("node_guid %s ", str);
+ print_color_string(PRINT_ANY, COLOR_NONE, "node_guid", "node_guid %s ",
+ str);
}
static void dev_print_sys_image_guid(struct rd *rd, struct nlattr **tb)
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]);
- if (rd->json_output)
- jsonw_string_field(rd->jw, "sys_image_guid", str);
- else
- pr_out("sys_image_guid %s ", str);
+ print_color_string(PRINT_ANY, COLOR_NONE, "sys_image_guid",
+ "sys_image_guid %s ", str);
+}
+
+static void dev_print_dim_setting(struct rd *rd, 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(rd, "adaptive-moderation", 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_dp" };
+ "usnic_udp",
+ "unspecified" };
if (node_type < ARRAY_SIZE(node_type_str))
return node_type_str[node_type];
return "unknown";
node_type = mnl_attr_get_u8(tb[RDMA_NLDEV_ATTR_DEV_NODE_TYPE]);
node_str = node_type_to_str(node_type);
- if (rd->json_output)
- jsonw_string_field(rd->jw, "node_type", node_str);
- else
- pr_out("node_type %s ", node_str);
+ print_color_string(PRINT_ANY, COLOR_NONE, "node_type", "node_type %s ",
+ node_str);
}
static int dev_parse_cb(const struct nlmsghdr *nlh, void *data)
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]);
- if (rd->json_output) {
- jsonw_uint_field(rd->jw, "ifindex", idx);
- jsonw_string_field(rd->jw, "ifname", name);
- } else {
- pr_out("%u: %s: ", idx, name);
- }
+ print_color_uint(PRINT_ANY, COLOR_NONE, "ifindex", "%u: ", idx);
+ print_color_string(PRINT_ANY, COLOR_NONE, "ifname", "%s: ", name);
dev_print_node_type(rd, tb);
dev_print_fw(rd, tb);
dev_print_node_guid(rd, tb);
dev_print_sys_image_guid(rd, tb);
- if (rd->show_details)
+ if (rd->show_details) {
+ dev_print_dim_setting(rd, tb);
dev_print_caps(rd, tb);
+ }
- if (!rd->json_output)
- pr_out("\n");
+ newline(rd);
return MNL_CB_OK;
}
if (ret)
return ret;
- if (rd->json_output)
- jsonw_start_object(rd->jw);
ret = rd_recv_msg(rd, dev_parse_cb, rd, seq);
- if (rd->json_output)
- jsonw_end_object(rd->jw);
return ret;
}
return rd_exec_cmd(rd, cmds, "parameter");
}
-static int dev_show(struct rd *rd)
+static int dev_set_name(struct rd *rd)
{
- struct dev_map *dev_map;
- int ret = 0;
+ 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->json_output)
- jsonw_start_array(rd->jw);
if (rd_no_arg(rd)) {
- list_for_each_entry(dev_map, &rd->dev_map_list, list) {
- rd->dev_idx = dev_map->idx;
- ret = dev_one_show(rd);
- if (ret)
- goto out;
- }
- } else {
- dev_map = dev_map_lookup(rd, false);
- if (!dev_map) {
- pr_err("Wrong device name\n");
- ret = -ENOENT;
- goto out;
- }
- rd_arg_inc(rd);
- rd->dev_idx = dev_map->idx;
- ret = dev_one_show(rd);
+ pr_err("Please provide device name.\n");
+ return -EINVAL;
}
-out:
- if (rd->json_output)
- jsonw_end_array(rd->jw);
+
+ 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 }
};
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