+// 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 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(x) \
+#define RDMA_PORT_FLAGS_LOW(x) \
+ x(RESERVED, 0) \
x(SM, 1) \
x(NOTICE, 2) \
x(TRAP, 3) \
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(BOOT_MGMT, 23) \
x(LINK_LATENCY, 24) \
x(CLIENT_REG, 25) \
- x(IP_BASED_GIDS, 26)
-
- enum { RDMA_PORT_FLAGS(RDMA_BITMAP_ENUM) };
+ 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";
}
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] = {};
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);
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 },