+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
/*
* link.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>
*/
static const char *caps_to_str(uint32_t idx)
{
-#define RDMA_PORT_FLAGS(x) \
+#define RDMA_PORT_FLAGS_LOW(x) \
+ x(RESERVED, 0) \
x(SM, 1) \
x(NOTICE, 2) \
x(TRAP, 3) \
x(PKEY_NVRAM, 8) \
x(LED_INFO, 9) \
x(SM_DISABLED, 10) \
- x(SYS_IMAGE_GUIG, 11) \
+ 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(CAP_MASK_NOTICE, 22) \
x(BOOT_MGMT, 23) \
x(LINK_LATENCY, 24) \
- x(CLIENT_REG, 23) \
- x(IP_BASED_GIDS, 26)
-
- enum { RDMA_PORT_FLAGS(RDMA_BITMAP_ENUM) };
+ 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[] = { RDMA_PORT_FLAGS(RDMA_BITMAP_NAMES) };
- #undef RDMA_PORT_FLAGS
+ 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];
- if (idx < ARRAY_SIZE(rdma_port_names) && rdma_port_names[idx])
- return rdma_port_names[idx];
return "UNKNOWN";
}
-static void link_print_caps(struct nlattr **tb)
+static void link_print_caps(struct rd *rd, struct nlattr **tb)
{
uint64_t caps;
uint32_t idx;
caps = mnl_attr_get_u64(tb[RDMA_NLDEV_ATTR_CAP_FLAGS]);
- pr_out("\n caps: <");
+ if (rd->json_output) {
+ jsonw_name(rd->jw, "caps");
+ jsonw_start_array(rd->jw);
+ } else {
+ pr_out("\n caps: <");
+ }
for (idx = 0; caps; idx++) {
if (caps & 0x1) {
- pr_out("%s", caps_to_str(idx));
- if (caps >> 0x1)
- pr_out(", ");
+ if (rd->json_output) {
+ jsonw_string(rd->jw, caps_to_str(idx));
+ } else {
+ pr_out("%s", caps_to_str(idx));
+ if (caps >> 0x1)
+ pr_out(", ");
+ }
}
caps >>= 0x1;
}
- pr_out(">");
+ if (rd->json_output)
+ jsonw_end_array(rd->jw);
+ else
+ pr_out(">");
}
-static void link_print_subnet_prefix(struct nlattr **tb)
+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]);
- rd_print_u64("subnet_prefix", subnet_prefix);
+ memcpy(vp, &subnet_prefix, 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, "subnet_prefix", str);
+ else
+ pr_out("subnet_prefix %s ", str);
}
-static void link_print_lid(struct nlattr **tb)
+static void link_print_lid(struct rd *rd, struct nlattr **tb)
{
+ uint32_t lid;
+
if (!tb[RDMA_NLDEV_ATTR_LID])
return;
- pr_out("lid %u ",
- mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_LID]));
+ lid = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_LID]);
+ if (rd->json_output)
+ jsonw_uint_field(rd->jw, "lid", lid);
+ else
+ pr_out("lid %u ", lid);
}
-static void link_print_sm_lid(struct nlattr **tb)
+static void link_print_sm_lid(struct rd *rd, struct nlattr **tb)
{
+ uint32_t sm_lid;
+
if (!tb[RDMA_NLDEV_ATTR_SM_LID])
return;
- pr_out("sm_lid %u ",
- mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_SM_LID]));
+ sm_lid = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_SM_LID]);
+ if (rd->json_output)
+ jsonw_uint_field(rd->jw, "sm_lid", sm_lid);
+ else
+ pr_out("sm_lid %u ", sm_lid);
}
-static void link_print_lmc(struct nlattr **tb)
+static void link_print_lmc(struct rd *rd, struct nlattr **tb)
{
+ uint8_t lmc;
+
if (!tb[RDMA_NLDEV_ATTR_LMC])
return;
- pr_out("lmc %u ", mnl_attr_get_u8(tb[RDMA_NLDEV_ATTR_LMC]));
+ lmc = mnl_attr_get_u8(tb[RDMA_NLDEV_ATTR_LMC]);
+ if (rd->json_output)
+ jsonw_uint_field(rd->jw, "lmc", lmc);
+ else
+ pr_out("lmc %u ", lmc);
}
static const char *link_state_to_str(uint8_t link_state)
return "UNKNOWN";
}
-static void link_print_state(struct nlattr **tb)
+static void link_print_state(struct rd *rd, struct nlattr **tb)
{
uint8_t state;
return;
state = mnl_attr_get_u8(tb[RDMA_NLDEV_ATTR_PORT_STATE]);
- pr_out("state %s ", link_state_to_str(state));
+ if (rd->json_output)
+ jsonw_string_field(rd->jw, "state", link_state_to_str(state));
+ else
+ pr_out("state %s ", link_state_to_str(state));
}
static const char *phys_state_to_str(uint8_t phys_state)
return "UNKNOWN";
};
-static void link_print_phys_state(struct nlattr **tb)
+static void link_print_phys_state(struct rd *rd, struct nlattr **tb)
{
uint8_t phys_state;
return;
phys_state = mnl_attr_get_u8(tb[RDMA_NLDEV_ATTR_PORT_PHYS_STATE]);
- pr_out("physical_state %s ", phys_state_to_str(phys_state));
+ if (rd->json_output)
+ jsonw_string_field(rd->jw, "physical_state",
+ phys_state_to_str(phys_state));
+ else
+ pr_out("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]);
+ if (rd->json_output) {
+ jsonw_string_field(rd->jw, "netdev", netdev_name);
+ jsonw_uint_field(rd->jw, "netdev_index", idx);
+ } else {
+ pr_out("netdev %s ", netdev_name);
+ if (rd->show_details)
+ pr_out("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;
+ char name[32];
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;
}
- pr_out("%u/%u: %s/%u: ",
- mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]),
- mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_PORT_INDEX]),
- mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]),
- mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_PORT_INDEX]));
- link_print_subnet_prefix(tb);
- link_print_lid(tb);
- link_print_sm_lid(tb);
- link_print_lmc(tb);
- link_print_state(tb);
- link_print_phys_state(tb);
+ idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
+ port = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_PORT_INDEX]);
+ snprintf(name, 32, "%s/%u",
+ mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]), port);
+
+ if (rd->json_output) {
+ jsonw_uint_field(rd->jw, "ifindex", idx);
+ jsonw_uint_field(rd->jw, "port", port);
+ jsonw_string_field(rd->jw, "ifname", name);
+
+ } else {
+ pr_out("%u/%u: %s: ", idx, port, name);
+ }
+
+ 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(tb);
+ link_print_caps(rd, tb);
- pr_out("\n");
+ if (!rd->json_output)
+ pr_out("\n");
return MNL_CB_OK;
}
if (ret)
return ret;
- return rd_recv_msg(rd, link_parse_cb, rd, seq);
+ if (rd->json_output)
+ jsonw_start_object(rd->jw);
+ ret = rd_recv_msg(rd, link_parse_cb, rd, seq);
+ if (rd->json_output)
+ jsonw_end_object(rd->jw);
+ return ret;
}
static int link_one_show(struct rd *rd)
{ 0 }
};
+ if (!rd->port_idx)
+ return 0;
+
return rd_exec_cmd(rd, cmds, "parameter");
}
static int link_show(struct rd *rd)
{
- struct dev_map *dev_map;
- uint32_t port;
- int ret;
-
- if (rd_no_arg(rd)) {
- list_for_each_entry(dev_map, &rd->dev_map_list, list) {
- rd->dev_idx = dev_map->idx;
- for (port = 1; port < dev_map->num_ports + 1; port++) {
- rd->port_idx = port;
- ret = link_one_show(rd);
- if (ret)
- return ret;
- }
- }
-
- } else {
- dev_map = dev_map_lookup(rd, true);
- port = get_port_from_argv(rd);
- if (!dev_map || port > dev_map->num_ports) {
- pr_err("Wrong device name\n");
- return -ENOENT;
- }
- rd_arg_inc(rd);
- rd->dev_idx = dev_map->idx;
- rd->port_idx = port ? : 1;
- for (; rd->port_idx < dev_map->num_ports + 1; rd->port_idx++) {
- ret = link_one_show(rd);
- if (ret)
- return ret;
- if (port)
- /*
- * We got request to show link for devname
- * with port index.
- */
- break;
- }
- }
- return 0;
+ return rd_exec_link(rd, link_one_show, true);
}
int cmd_link(struct rd *rd)