From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B38243B8CC for ; Wed, 7 Jun 2023 20:24:12 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3CE52C433AC; Wed, 7 Jun 2023 20:24:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1686169452; bh=7lyOIoT/TBSgk3RDEI7BY/QIKUbWHOn8VZQiorQjwEg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tLvyvQv6WSYYcKJTyF5PvXJNEGizO0fOZ+kFzjXzp8wvG9w3FrU/+MlaE68DqCwdt VmlxgbM3woUUsmApGNb5rOZcPBHUo79COridMeBPp5hDMF30NLTwfVIu4aTkEFT5KM SPe00qqGz3Z0SU3sAR22tS7pcKyUYhKF0o5eNpwK7nrNKTXTYa8Pk3frZxUhr7KVe6 de8PDgJQfAODZ2uRKRBCpQeLhjmkhFopWW53hOPSQmpzHcas/ZY9PltdPaeRAELJPL 3sSo4oGN4lwW691GSAIR8A8RYwvzMsFiPBFir2L1abuOFwuz+Dc3Zol5mU9glUhlel vHlFXBgP2AwhQ== From: Jakub Kicinski To: davem@davemloft.net Cc: netdev@vger.kernel.org, edumazet@google.com, pabeni@redhat.com, jiri@resnulli.us, Jakub Kicinski Subject: [PATCH net-next 11/11] tools: ynl: add sample for devlink Date: Wed, 7 Jun 2023 13:24:03 -0700 Message-Id: <20230607202403.1089925-12-kuba@kernel.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230607202403.1089925-1-kuba@kernel.org> References: <20230607202403.1089925-1-kuba@kernel.org> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 --- 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 +#include + +#include + +#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