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d3d854fd6a
Add a Netlink spec-compatible family for netdevs.
This is a very simple implementation without much
thought going into it.
It allows us to reap all the benefits of Netlink specs,
one can use the generic client to issue the commands:
$ ./cli.py --spec netdev.yaml --dump dev_get
[{'ifindex': 1, 'xdp-features': set()},
{'ifindex': 2, 'xdp-features': {'basic', 'ndo-xmit', 'redirect'}},
{'ifindex': 3, 'xdp-features': {'rx-sg'}}]
the generic python library does not have flags-by-name
support, yet, but we also don't have to carry strings
in the messages, as user space can get the names from
the spec.
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Co-developed-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Co-developed-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Co-developed-by: Marek Majtyka <alardam@gmail.com>
Signed-off-by: Marek Majtyka <alardam@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Link: https://lore.kernel.org/r/327ad9c9868becbe1e601b580c962549c8cd81f2.1675245258.git.lorenzo@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
// SPDX-License-Identifier: BSD-3-Clause
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/* Do not edit directly, auto-generated from: */
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/* Documentation/netlink/specs/netdev.yaml */
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/* YNL-GEN kernel source */
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#include <net/netlink.h>
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#include <net/genetlink.h>
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#include "netdev-genl-gen.h"
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#include <linux/netdev.h>
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/* NETDEV_CMD_DEV_GET - do */
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static const struct nla_policy netdev_dev_get_nl_policy[NETDEV_A_DEV_IFINDEX + 1] = {
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[NETDEV_A_DEV_IFINDEX] = NLA_POLICY_MIN(NLA_U32, 1),
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};
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/* Ops table for netdev */
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static const struct genl_split_ops netdev_nl_ops[2] = {
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{
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.cmd = NETDEV_CMD_DEV_GET,
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.doit = netdev_nl_dev_get_doit,
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.policy = netdev_dev_get_nl_policy,
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.maxattr = NETDEV_A_DEV_IFINDEX,
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.flags = GENL_CMD_CAP_DO,
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},
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{
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.cmd = NETDEV_CMD_DEV_GET,
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.dumpit = netdev_nl_dev_get_dumpit,
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.flags = GENL_CMD_CAP_DUMP,
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},
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};
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static const struct genl_multicast_group netdev_nl_mcgrps[] = {
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[NETDEV_NLGRP_MGMT] = { "mgmt", },
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};
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struct genl_family netdev_nl_family __ro_after_init = {
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.name = NETDEV_FAMILY_NAME,
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.version = NETDEV_FAMILY_VERSION,
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.netnsok = true,
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.parallel_ops = true,
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.module = THIS_MODULE,
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.split_ops = netdev_nl_ops,
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.n_split_ops = ARRAY_SIZE(netdev_nl_ops),
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.mcgrps = netdev_nl_mcgrps,
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.n_mcgrps = ARRAY_SIZE(netdev_nl_mcgrps),
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};
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