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fff8660b54
Add a sample to show off how to issue basic devlink requests.
For added testing issue get requests while walking a dump.
$ ./devlink
netdevsim/netdevsim1:
driver: netdevsim
running fw:
fw.mgmt: 10.20.30
...
netdevsim/netdevsim2:
driver: netdevsim
running fw:
fw.mgmt: 10.20.30
...
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
60 lines
1.4 KiB
C
60 lines
1.4 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include <stdio.h>
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#include <string.h>
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#include <ynl.h>
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#include "devlink-user.h"
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int main(int argc, char **argv)
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{
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struct devlink_get_list *devs;
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struct ynl_sock *ys;
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ys = ynl_sock_create(&ynl_devlink_family, NULL);
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if (!ys)
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return 1;
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devs = devlink_get_dump(ys);
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if (!devs)
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goto err_close;
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ynl_dump_foreach(devs, d) {
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struct devlink_info_get_req *info_req;
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struct devlink_info_get_rsp *info_rsp;
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printf("%s/%s:\n", d->bus_name, d->dev_name);
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info_req = devlink_info_get_req_alloc();
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devlink_info_get_req_set_bus_name(info_req, d->bus_name);
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devlink_info_get_req_set_dev_name(info_req, d->dev_name);
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info_rsp = devlink_info_get(ys, info_req);
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devlink_info_get_req_free(info_req);
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if (!info_rsp)
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goto err_free_devs;
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if (info_rsp->_present.info_driver_name_len)
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printf(" driver: %s\n", info_rsp->info_driver_name);
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if (info_rsp->n_info_version_running)
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printf(" running fw:\n");
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for (unsigned i = 0; i < info_rsp->n_info_version_running; i++)
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printf(" %s: %s\n",
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info_rsp->info_version_running[i].info_version_name,
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info_rsp->info_version_running[i].info_version_value);
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printf(" ...\n");
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devlink_info_get_rsp_free(info_rsp);
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}
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devlink_get_list_free(devs);
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ynl_sock_destroy(ys);
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return 0;
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err_free_devs:
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devlink_get_list_free(devs);
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err_close:
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fprintf(stderr, "YNL: %s\n", ys->err.msg);
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ynl_sock_destroy(ys);
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return 2;
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}
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