tools/net/ynl/samples/devlink.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include <stdio.h>
   3 #include <string.h>
   4
   5 #include <ynl.h>
   6
   7 #include "devlink-user.h"
   8
   9 int main(int argc, char **argv)
  10 {
  11         struct devlink_get_list *devs;
  12         struct ynl_sock *ys;
  13
  14         ys = ynl_sock_create(&ynl_devlink_family, NULL);
  15         if (!ys)
  16                 return 1;
  17
  18         devs = devlink_get_dump(ys);
  19         if (!devs)
  20                 goto err_close;
  21
  22         ynl_dump_foreach(devs, d) {
  23                 struct devlink_info_get_req *info_req;
  24                 struct devlink_info_get_rsp *info_rsp;
  25
  26                 printf("%s/%s:\n", d->bus_name, d->dev_name);
  27
  28                 info_req = devlink_info_get_req_alloc();
  29                 devlink_info_get_req_set_bus_name(info_req, d->bus_name);
  30                 devlink_info_get_req_set_dev_name(info_req, d->dev_name);
  31
  32                 info_rsp = devlink_info_get(ys, info_req);
  33                 devlink_info_get_req_free(info_req);
  34                 if (!info_rsp)
  35                         goto err_free_devs;
  36
  37                 if (info_rsp->_present.info_driver_name_len)
  38                         printf("    driver: %s\n", info_rsp->info_driver_name);
  39                 if (info_rsp->n_info_version_running)
  40                         printf("    running fw:\n");
  41                 for (unsigned i = 0; i < info_rsp->n_info_version_running; i++)
  42                         printf("        %s: %s\n",
  43                                info_rsp->info_version_running[i].info_version_name,
  44                                info_rsp->info_version_running[i].info_version_value);
  45                 printf("    ...\n");
  46                 devlink_info_get_rsp_free(info_rsp);
  47         }
  48         devlink_get_list_free(devs);
  49
  50         ynl_sock_destroy(ys);
  51
  52         return 0;
  53
  54 err_free_devs:
  55         devlink_get_list_free(devs);
  56 err_close:
  57         fprintf(stderr, "YNL: %s\n", ys->err.msg);
  58         ynl_sock_destroy(ys);
  59         return 2;
  60 }