rdma: add helper rd_sendrecv_msg()

[mirror_iproute2.git] / rdma / link.c

diff --git a/rdma/link.c b/rdma/link.c
index eae96cd89b4883e64c719d71bd560afe5dbdbd0b..89e81b84b2ccae8c0401c4ae2e972e57f7022c73 100644 (file)
--- a/rdma/link.c
+++ b/rdma/link.c
@@ -1,11 +1,6 @@
+// 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>
  */
 
@@ -19,7 +14,8 @@ static int link_help(struct rd *rd)
 
 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) \
@@ -30,9 +26,11 @@ static const char *caps_to_str(uint32_t idx)
        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) \
@@ -42,17 +40,46 @@ static const char *caps_to_str(uint32_t idx)
        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";
 }
 
@@ -205,6 +232,26 @@ static void link_print_phys_state(struct rd *rd, struct nlattr **tb)
                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] = {};
@@ -241,6 +288,7 @@ static int link_parse_cb(const struct nlmsghdr *nlh, void *data)
        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);
 
@@ -277,56 +325,15 @@ 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 = 0;
-
-       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;
-                       for (port = 1; port < dev_map->num_ports + 1; port++) {
-                               rd->port_idx = port;
-                               ret = link_one_show(rd);
-                               if (ret)
-                                       goto out;
-                       }
-               }
-
-       } 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");
-                       ret = -ENOENT;
-                       goto out;
-               }
-               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)
-                               goto out;
-                       if (port)
-                               /*
-                                * We got request to show link for devname
-                                * with port index.
-                                */
-                               break;
-               }
-       }
-
-out:
-       if (rd->json_output)
-               jsonw_end_array(rd->jw);
-       return ret;
+       return rd_exec_link(rd, link_one_show, true);
 }
 
 int cmd_link(struct rd *rd)