xref: /linux/tools/net/ynl/samples/devlink.c (revision 1b98f357dadd6ea613a435fbaef1a5dd7b35fd21)
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 		unsigned i;
26 
27 		printf("%s/%s:\n", d->bus_name, d->dev_name);
28 
29 		info_req = devlink_info_get_req_alloc();
30 		devlink_info_get_req_set_bus_name(info_req, d->bus_name);
31 		devlink_info_get_req_set_dev_name(info_req, d->dev_name);
32 
33 		info_rsp = devlink_info_get(ys, info_req);
34 		devlink_info_get_req_free(info_req);
35 		if (!info_rsp)
36 			goto err_free_devs;
37 
38 		if (info_rsp->_len.info_driver_name)
39 			printf("    driver: %s\n", info_rsp->info_driver_name);
40 		if (info_rsp->_count.info_version_running)
41 			printf("    running fw:\n");
42 		for (i = 0; i < info_rsp->_count.info_version_running; i++)
43 			printf("        %s: %s\n",
44 			       info_rsp->info_version_running[i].info_version_name,
45 			       info_rsp->info_version_running[i].info_version_value);
46 		printf("    ...\n");
47 		devlink_info_get_rsp_free(info_rsp);
48 	}
49 	devlink_get_list_free(devs);
50 
51 	ynl_sock_destroy(ys);
52 
53 	return 0;
54 
55 err_free_devs:
56 	devlink_get_list_free(devs);
57 err_close:
58 	fprintf(stderr, "YNL: %s\n", ys->err.msg);
59 	ynl_sock_destroy(ys);
60 	return 2;
61 }
62