From: Jakub Kicinski <kuba@kernel•org>
To: davem@davemloft•net
Cc: netdev@vger•kernel.org, edumazet@google•com, pabeni@redhat•com,
jiri@resnulli•us, Jakub Kicinski <kuba@kernel•org>
Subject: [PATCH net-next 11/11] tools: ynl: add sample for devlink
Date: Wed, 7 Jun 2023 13:24:03 -0700 [thread overview]
Message-ID: <20230607202403.1089925-12-kuba@kernel.org> (raw)
In-Reply-To: <20230607202403.1089925-1-kuba@kernel.org>
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>
---
tools/net/ynl/samples/.gitignore | 1 +
tools/net/ynl/samples/devlink.c | 60 ++++++++++++++++++++++++++++++++
2 files changed, 61 insertions(+)
create mode 100644 tools/net/ynl/samples/devlink.c
diff --git a/tools/net/ynl/samples/.gitignore b/tools/net/ynl/samples/.gitignore
index 7b1f5179cb54..a24678b67557 100644
--- a/tools/net/ynl/samples/.gitignore
+++ b/tools/net/ynl/samples/.gitignore
@@ -1 +1,2 @@
+devlink
netdev
diff --git a/tools/net/ynl/samples/devlink.c b/tools/net/ynl/samples/devlink.c
new file mode 100644
index 000000000000..d2611d7ebab4
--- /dev/null
+++ b/tools/net/ynl/samples/devlink.c
@@ -0,0 +1,60 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <stdio.h>
+#include <string.h>
+
+#include <ynl.h>
+
+#include "devlink-user.h"
+
+int main(int argc, char **argv)
+{
+ struct devlink_get_list *devs;
+ struct ynl_sock *ys;
+
+ ys = ynl_sock_create(&ynl_devlink_family, NULL);
+ if (!ys)
+ return 1;
+
+ devs = devlink_get_dump(ys);
+ if (!devs)
+ goto err_close;
+
+ ynl_dump_foreach(devs, d) {
+ struct devlink_info_get_req *info_req;
+ struct devlink_info_get_rsp *info_rsp;
+
+ printf("%s/%s:\n", d->bus_name, d->dev_name);
+
+ info_req = devlink_info_get_req_alloc();
+ devlink_info_get_req_set_bus_name(info_req, d->bus_name);
+ devlink_info_get_req_set_dev_name(info_req, d->dev_name);
+
+ info_rsp = devlink_info_get(ys, info_req);
+ devlink_info_get_req_free(info_req);
+ if (!info_rsp)
+ goto err_free_devs;
+
+ if (info_rsp->_present.info_driver_name_len)
+ printf(" driver: %s\n", info_rsp->info_driver_name);
+ if (info_rsp->n_info_version_running)
+ printf(" running fw:\n");
+ for (unsigned i = 0; i < info_rsp->n_info_version_running; i++)
+ printf(" %s: %s\n",
+ info_rsp->info_version_running[i].info_version_name,
+ info_rsp->info_version_running[i].info_version_value);
+ printf(" ...\n");
+ devlink_info_get_rsp_free(info_rsp);
+ }
+ devlink_get_list_free(devs);
+
+ ynl_sock_destroy(ys);
+
+ return 0;
+
+err_free_devs:
+ devlink_get_list_free(devs);
+err_close:
+ fprintf(stderr, "YNL: %s\n", ys->err.msg);
+ ynl_sock_destroy(ys);
+ return 2;
+}
--
2.40.1
next prev parent reply other threads:[~2023-06-07 20:24 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-07 20:23 [PATCH net-next 00/11] tools: ynl: generate code for the devlink family Jakub Kicinski
2023-06-07 20:23 ` [PATCH net-next 01/11] netlink: specs: devlink: fill in some details important for C Jakub Kicinski
2023-06-07 20:23 ` [PATCH net-next 02/11] tools: ynl-gen: use enum names in op strmap more carefully Jakub Kicinski
2023-06-07 20:23 ` [PATCH net-next 03/11] tools: ynl-gen: refactor strmap helper generation Jakub Kicinski
2023-06-07 20:23 ` [PATCH net-next 04/11] tools: ynl-gen: enable code gen for directional specs Jakub Kicinski
2023-06-07 20:23 ` [PATCH net-next 05/11] tools: ynl-gen: try to sort the types more intelligently Jakub Kicinski
2023-06-07 20:23 ` [PATCH net-next 06/11] tools: ynl-gen: inherit struct use info Jakub Kicinski
2023-06-07 20:23 ` [PATCH net-next 07/11] tools: ynl-gen: walk nested types in depth Jakub Kicinski
2023-06-07 20:24 ` [PATCH net-next 08/11] tools: ynl-gen: don't generate forward declarations for policies Jakub Kicinski
2023-06-07 20:24 ` [PATCH net-next 09/11] tools: ynl-gen: don't generate forward declarations for policies - regen Jakub Kicinski
2023-06-07 20:24 ` [PATCH net-next 10/11] tools: ynl: generate code for the devlink family Jakub Kicinski
2023-06-08 11:48 ` Simon Horman
2023-06-08 15:53 ` Jakub Kicinski
2023-06-09 7:46 ` Simon Horman
2023-06-07 20:24 ` Jakub Kicinski [this message]
2023-06-08 21:10 ` [PATCH net-next 00/11] " patchwork-bot+netdevbpf
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