From patchwork Tue Aug 20 15:12:23 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paolo Abeni X-Patchwork-Id: 13770385 X-Patchwork-Delegate: kuba@kernel.org Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 65C6136B for ; Tue, 20 Aug 2024 15:13:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724166791; cv=none; b=Q+5Tl0PEAX3BgzmEcbRW5/7LrjhW7MepCamgr/BPajJGXbsDDHYJ318Y+Ops/mmAa6Y2wNntdRfBAYqVdH2lK8ID62i0oZfUuDN2nskzGOuldRKdSpTgGNO9Flh6qZuroN5qLJcjDSM4A0Kp7ztxV6V5R74UbR2MGhqOOVNPZWA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724166791; c=relaxed/simple; bh=FZNH1V1z9KDL8reevnpOa9aBraWbP37Ts/RxB+v6oz4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=YA8BdsygiyKGuGS+13JrDNTsn1si0Im9BVow/989Pg4H02Ao2Ha7UlHDswEIwN/XcBNvXyE1jxzntW66gLB6D+VfcHuYLCaMRogXhFTYO4Y/2Jn0x5liXD8U6yEK55rJrii0E6zgBAS1A3ly+pbOAziLVXCfREbRmAqJTocKTQA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=SQATN4k2; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="SQATN4k2" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1724166788; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=zj+w4fLIAIzwlh+CvvS6P+EzCtOJsjCbj8ZN5y4Nhzo=; b=SQATN4k2/quuvsv9NWqErs+q1CqHwfaAEPlZ97OVIbBsguOYENjXR8Vwlkgkt9WQOjIfP3 Hj7oJcKKhB6rk+2ktb8iXADv2B7oLBs7gxuGc1euN3cQrE5iSUNHccR8MO8PNv+rfmbZIL uA8jDxTq62vmetVQooe3VPz8bpb2FMQ= Received: from mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-546-udtOYxn7OQSzi42-3aWEWQ-1; Tue, 20 Aug 2024 11:13:03 -0400 X-MC-Unique: udtOYxn7OQSzi42-3aWEWQ-1 Received: from mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.40]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 370921955D52; Tue, 20 Aug 2024 15:13:02 +0000 (UTC) Received: from gerbillo.redhat.com (unknown [10.45.225.213]) by mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 88B541955F42; Tue, 20 Aug 2024 15:12:52 +0000 (UTC) From: Paolo Abeni To: netdev@vger.kernel.org Cc: Jakub Kicinski , Jiri Pirko , Madhu Chittim , Sridhar Samudrala , Simon Horman , John Fastabend , Sunil Kovvuri Goutham , Jamal Hadi Salim , Donald Hunter Subject: [PATCH v4 net-next 02/12] netlink: spec: add shaper YAML spec Date: Tue, 20 Aug 2024 17:12:23 +0200 Message-ID: In-Reply-To: References: Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.40 X-Patchwork-Delegate: kuba@kernel.org Define the user-space visible interface to query, configure and delete network shapers via yaml definition. Add dummy implementations for the relevant NL callbacks. set() and delete() operations touch a single shaper creating/updating or deleting it. The group() operation creates a shaper's group, nesting multiple input shapers under the specified output shaper. Signed-off-by: Paolo Abeni --- v3 -> v4: - spec file rename - always use '@' for references - detached scope -> node scope - inputs/output -> leaves/root - deduplicate leaves/root policy - get/dump/group return ifindex, too - added some general introduction to the doc RFC v1 -> RFC v2: - u64 -> uint - net_shapers -> net-shapers - documented all the attributes - dropped [ admin-perm ] for get() op - group op - set/delete touch a single shaper --- Documentation/netlink/specs/net_shaper.yaml | 289 ++++++++++++++++++++ MAINTAINERS | 1 + include/uapi/linux/net_shaper.h | 73 +++++ net/Kconfig | 3 + net/Makefile | 1 + net/shaper/Makefile | 9 + net/shaper/shaper.c | 45 +++ net/shaper/shaper_nl_gen.c | 125 +++++++++ net/shaper/shaper_nl_gen.h | 33 +++ 9 files changed, 579 insertions(+) create mode 100644 Documentation/netlink/specs/net_shaper.yaml create mode 100644 include/uapi/linux/net_shaper.h create mode 100644 net/shaper/Makefile create mode 100644 net/shaper/shaper.c create mode 100644 net/shaper/shaper_nl_gen.c create mode 100644 net/shaper/shaper_nl_gen.h diff --git a/Documentation/netlink/specs/net_shaper.yaml b/Documentation/netlink/specs/net_shaper.yaml new file mode 100644 index 000000000000..a2b7900646ae --- /dev/null +++ b/Documentation/netlink/specs/net_shaper.yaml @@ -0,0 +1,289 @@ +# SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) + +name: net-shaper + +doc: | + Network device HW rate limiting configuration. + + This API allows configuring HR shapers available on the network + device at different levels (queues, network device) and allows + arbitrary manipulation of the scheduling tree of the involved + shapers. + + Each @shaper is identified within the given device, by an @handle, + comprising both a @scope and an @id, and can be created via two + different modifiers: the @set operation, to create and update single + shaper, and the @group operation, to create and update a scheduling + group. + + Existing shapers can be deleted via the @delete operation. + + The user can query the running configuration via the @get operation. + +definitions: + - + type: enum + name: scope + doc: The different scopes where a shaper can be attached. + render-max: true + entries: + - name: unspec + doc: The scope is not specified. + - + name: netdev + doc: The main shaper for the given network device. + - + name: queue + doc: The shaper is attached to the given device queue. + - + name: node + doc: | + The shaper allows grouping of queues or others + node shapers, is not attached to any user-visible + network device component, and can be nested to + either @netdev shapers or other @node shapers. + - + type: enum + name: metric + doc: Different metric each shaper can support. + entries: + - + name: bps + doc: Shaper operates on a bits per second basis. + - + name: pps + doc: Shaper operates on a packets per second basis. + +attribute-sets: + - + name: net-shaper + attributes: + - + name: handle + type: nest + nested-attributes: handle + doc: Unique identifier for the given shaper inside the owning device. + - + name: info + type: nest + nested-attributes: info + doc: Fully describes the shaper. + - + name: metric + type: u32 + enum: metric + doc: Metric used by the given shaper for bw-min, bw-max and burst. + - + name: bw-min + type: uint + doc: Minimum guaranteed B/W for the given shaper. + - + name: bw-max + type: uint + doc: Shaping B/W for the given shaper or 0 when unlimited. + - + name: burst + type: uint + doc: Maximum burst-size for bw-min and bw-max. + - + name: priority + type: u32 + doc: Scheduling priority for the given shaper. + - + name: weight + type: u32 + doc: | + Weighted round robin weight for given shaper. + The scheduling is applied to all the sibling + shapers with the same priority. + - + name: scope + type: u32 + enum: scope + doc: The given shaper scope. + - + name: id + type: u32 + doc: | + The given shaper id. The id semantic depends on the actual + scope, e.g. for @queue scope it's the queue id, for + @node scope it's the node identifier. + - + name: ifindex + type: u32 + doc: Interface index owning the specified shaper. + - + name: parent + type: nest + nested-attributes: handle + doc: | + Identifier for the parent of the affected shaper, + The parent is usually implied by the shaper handle itself, + with the only exception of the root shaper in the @group operation. + - + name: leaves + type: nest + multi-attr: true + nested-attributes: info + doc: | + Describes a set of leaves shapers for a @group operation. + - + name: root + type: nest + nested-attributes: root-info + doc: | + Describes the root shaper for a @group operation + Differently from @leaves and @shaper allow specifying + the shaper parent handle, too. + - + name: shaper + type: nest + nested-attributes: info + doc: | + Describes a single shaper for a @set operation. + - + name: handle + subset-of: net-shaper + attributes: + - + name: scope + - + name: id + - + name: info + subset-of: net-shaper + attributes: + - + name: handle + - + name: metric + - + name: bw-min + - + name: bw-max + - + name: burst + - + name: priority + - + name: weight + - + name: root-info + subset-of: net-shaper + attributes: + - + name: parent + - + name: handle + - + name: metric + - + name: bw-min + - + name: bw-max + - + name: burst + - + name: priority + - + name: weight + +operations: + list: + - + name: get + doc: | + Get / Dump information about a/all the shaper for a given device. + attribute-set: net-shaper + + do: + pre: net-shaper-nl-pre-doit + post: net-shaper-nl-post-doit + request: + attributes: &ns-binding + - ifindex + - handle + reply: + attributes: &ns-attrs + - ifindex + - parent + - handle + - metric + - bw-min + - bw-max + - burst + - priority + - weight + + dump: + request: + attributes: + - ifindex + reply: + attributes: *ns-attrs + - + name: set + doc: | + Create or updates the specified shaper. + On failure the extack is set accordingly. + Can't create @node scope shaper, use + the @group operation instead. + attribute-set: net-shaper + flags: [ admin-perm ] + + do: + pre: net-shaper-nl-pre-doit + post: net-shaper-nl-post-doit + request: + attributes: + - ifindex + - shaper + + - + name: delete + doc: | + Clear (remove) the specified shaper. When deleting + a @node shaper, relink all the node's leaves to the + deleted node parent. + If, after the removal, the parent shaper has no more + leaves and the parent shaper scope is @node, even + the parent node is deleted, recursively. + On failure the extack is set accordingly. + attribute-set: net-shaper + flags: [ admin-perm ] + + do: + pre: net-shaper-nl-pre-doit + post: net-shaper-nl-post-doit + request: + attributes: *ns-binding + + - + name: group + doc: | + Creates or updates a scheduling group, adding the specified + @leaves shapers under the specified @root, eventually creating + the latter, if needed. + The @leaves shapers scope must be @queue or @node scope and + the @root shaper scope must be either @node or @netdev. + When using a root @node scope shaper, if the + @handle @id is not specified, a new shaper of such scope + is created, otherwise the specified root shaper + must already exist. + The operation is atomic, on failure the extack is set + accordingly and no change is applied to the device + shaping configuration, otherwise the root shaper + binding (ifindex and handle) is provided as the reply. + attribute-set: net-shaper + flags: [ admin-perm ] + + do: + pre: net-shaper-nl-pre-doit + post: net-shaper-nl-post-doit + request: + attributes: + - ifindex + - leaves + - root + reply: + attributes: *ns-binding diff --git a/MAINTAINERS b/MAINTAINERS index 5dbf23cf11c8..553ca2635bcc 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -15885,6 +15885,7 @@ F: include/linux/inetdevice.h F: include/linux/netdevice.h F: include/uapi/linux/cn_proc.h F: include/uapi/linux/if_* +F: include/uapi/linux/net_shaper.h F: include/uapi/linux/netdevice.h X: drivers/net/wireless/ diff --git a/include/uapi/linux/net_shaper.h b/include/uapi/linux/net_shaper.h new file mode 100644 index 000000000000..05917f10b021 --- /dev/null +++ b/include/uapi/linux/net_shaper.h @@ -0,0 +1,73 @@ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */ +/* Do not edit directly, auto-generated from: */ +/* Documentation/netlink/specs/net_shaper.yaml */ +/* YNL-GEN uapi header */ + +#ifndef _UAPI_LINUX_NET_SHAPER_H +#define _UAPI_LINUX_NET_SHAPER_H + +#define NET_SHAPER_FAMILY_NAME "net-shaper" +#define NET_SHAPER_FAMILY_VERSION 1 + +/** + * enum net_shaper_scope - The different scopes where a shaper can be attached. + * @NET_SHAPER_SCOPE_UNSPEC: The scope is not specified. + * @NET_SHAPER_SCOPE_NETDEV: The main shaper for the given network device. + * @NET_SHAPER_SCOPE_QUEUE: The shaper is attached to the given device queue. + * @NET_SHAPER_SCOPE_NODE: The shaper allows grouping of queues or others node + * shapers, is not attached to any user-visible network device component, and + * can be nested to either @netdev shapers or other @node shapers. + */ +enum net_shaper_scope { + NET_SHAPER_SCOPE_UNSPEC, + NET_SHAPER_SCOPE_NETDEV, + NET_SHAPER_SCOPE_QUEUE, + NET_SHAPER_SCOPE_NODE, + + /* private: */ + __NET_SHAPER_SCOPE_MAX, + NET_SHAPER_SCOPE_MAX = (__NET_SHAPER_SCOPE_MAX - 1) +}; + +/** + * enum net_shaper_metric - Different metric each shaper can support. + * @NET_SHAPER_METRIC_BPS: Shaper operates on a bits per second basis. + * @NET_SHAPER_METRIC_PPS: Shaper operates on a packets per second basis. + */ +enum net_shaper_metric { + NET_SHAPER_METRIC_BPS, + NET_SHAPER_METRIC_PPS, +}; + +enum { + NET_SHAPER_A_HANDLE = 1, + NET_SHAPER_A_INFO, + NET_SHAPER_A_METRIC, + NET_SHAPER_A_BW_MIN, + NET_SHAPER_A_BW_MAX, + NET_SHAPER_A_BURST, + NET_SHAPER_A_PRIORITY, + NET_SHAPER_A_WEIGHT, + NET_SHAPER_A_SCOPE, + NET_SHAPER_A_ID, + NET_SHAPER_A_IFINDEX, + NET_SHAPER_A_PARENT, + NET_SHAPER_A_LEAVES, + NET_SHAPER_A_ROOT, + NET_SHAPER_A_SHAPER, + + __NET_SHAPER_A_MAX, + NET_SHAPER_A_MAX = (__NET_SHAPER_A_MAX - 1) +}; + +enum { + NET_SHAPER_CMD_GET = 1, + NET_SHAPER_CMD_SET, + NET_SHAPER_CMD_DELETE, + NET_SHAPER_CMD_GROUP, + + __NET_SHAPER_CMD_MAX, + NET_SHAPER_CMD_MAX = (__NET_SHAPER_CMD_MAX - 1) +}; + +#endif /* _UAPI_LINUX_NET_SHAPER_H */ diff --git a/net/Kconfig b/net/Kconfig index d27d0deac0bf..31fccfed04f7 100644 --- a/net/Kconfig +++ b/net/Kconfig @@ -66,6 +66,9 @@ config SKB_DECRYPTED config SKB_EXTENSIONS bool +config NET_SHAPER + bool + menu "Networking options" source "net/packet/Kconfig" diff --git a/net/Makefile b/net/Makefile index 65bb8c72a35e..60ed5190eda8 100644 --- a/net/Makefile +++ b/net/Makefile @@ -79,3 +79,4 @@ obj-$(CONFIG_XDP_SOCKETS) += xdp/ obj-$(CONFIG_MPTCP) += mptcp/ obj-$(CONFIG_MCTP) += mctp/ obj-$(CONFIG_NET_HANDSHAKE) += handshake/ +obj-$(CONFIG_NET_SHAPER) += shaper/ diff --git a/net/shaper/Makefile b/net/shaper/Makefile new file mode 100644 index 000000000000..13375884d60e --- /dev/null +++ b/net/shaper/Makefile @@ -0,0 +1,9 @@ +# SPDX-License-Identifier: GPL-2.0-only +# +# Makefile for the Generic HANDSHAKE service +# +# Copyright (c) 2024, Red Hat, Inc. +# + +obj-y += shaper.o shaper_nl_gen.o + diff --git a/net/shaper/shaper.c b/net/shaper/shaper.c new file mode 100644 index 000000000000..6518c7a96e86 --- /dev/null +++ b/net/shaper/shaper.c @@ -0,0 +1,45 @@ +// SPDX-License-Identifier: GPL-2.0-or-later + +#include +#include + +#include "shaper_nl_gen.h" + +int net_shaper_nl_pre_doit(const struct genl_split_ops *ops, + struct sk_buff *skb, struct genl_info *info) +{ + return -EOPNOTSUPP; +} + +void net_shaper_nl_post_doit(const struct genl_split_ops *ops, + struct sk_buff *skb, struct genl_info *info) +{ +} + +int net_shaper_nl_get_doit(struct sk_buff *skb, struct genl_info *info) +{ + return -EOPNOTSUPP; +} + +int net_shaper_nl_get_dumpit(struct sk_buff *skb, + struct netlink_callback *cb) +{ + return -EOPNOTSUPP; +} + +int net_shaper_nl_set_doit(struct sk_buff *skb, struct genl_info *info) +{ + return -EOPNOTSUPP; +} + +int net_shaper_nl_delete_doit(struct sk_buff *skb, struct genl_info *info) +{ + return -EOPNOTSUPP; +} + +static int __init shaper_init(void) +{ + return genl_register_family(&net_shaper_nl_family); +} + +subsys_initcall(shaper_init); diff --git a/net/shaper/shaper_nl_gen.c b/net/shaper/shaper_nl_gen.c new file mode 100644 index 000000000000..b0a4bdf1f00a --- /dev/null +++ b/net/shaper/shaper_nl_gen.c @@ -0,0 +1,125 @@ +// SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) +/* Do not edit directly, auto-generated from: */ +/* Documentation/netlink/specs/net_shaper.yaml */ +/* YNL-GEN kernel source */ + +#include +#include + +#include "shaper_nl_gen.h" + +#include + +/* Common nested types */ +const struct nla_policy net_shaper_handle_nl_policy[NET_SHAPER_A_ID + 1] = { + [NET_SHAPER_A_SCOPE] = NLA_POLICY_MAX(NLA_U32, 3), + [NET_SHAPER_A_ID] = { .type = NLA_U32, }, +}; + +const struct nla_policy net_shaper_info_nl_policy[NET_SHAPER_A_WEIGHT + 1] = { + [NET_SHAPER_A_HANDLE] = NLA_POLICY_NESTED(net_shaper_handle_nl_policy), + [NET_SHAPER_A_METRIC] = NLA_POLICY_MAX(NLA_U32, 1), + [NET_SHAPER_A_BW_MIN] = { .type = NLA_UINT, }, + [NET_SHAPER_A_BW_MAX] = { .type = NLA_UINT, }, + [NET_SHAPER_A_BURST] = { .type = NLA_UINT, }, + [NET_SHAPER_A_PRIORITY] = { .type = NLA_U32, }, + [NET_SHAPER_A_WEIGHT] = { .type = NLA_U32, }, +}; + +const struct nla_policy net_shaper_root_info_nl_policy[NET_SHAPER_A_PARENT + 1] = { + [NET_SHAPER_A_PARENT] = NLA_POLICY_NESTED(net_shaper_handle_nl_policy), + [NET_SHAPER_A_HANDLE] = NLA_POLICY_NESTED(net_shaper_handle_nl_policy), + [NET_SHAPER_A_METRIC] = NLA_POLICY_MAX(NLA_U32, 1), + [NET_SHAPER_A_BW_MIN] = { .type = NLA_UINT, }, + [NET_SHAPER_A_BW_MAX] = { .type = NLA_UINT, }, + [NET_SHAPER_A_BURST] = { .type = NLA_UINT, }, + [NET_SHAPER_A_PRIORITY] = { .type = NLA_U32, }, + [NET_SHAPER_A_WEIGHT] = { .type = NLA_U32, }, +}; + +/* NET_SHAPER_CMD_GET - do */ +static const struct nla_policy net_shaper_get_do_nl_policy[NET_SHAPER_A_IFINDEX + 1] = { + [NET_SHAPER_A_IFINDEX] = { .type = NLA_U32, }, + [NET_SHAPER_A_HANDLE] = NLA_POLICY_NESTED(net_shaper_handle_nl_policy), +}; + +/* NET_SHAPER_CMD_GET - dump */ +static const struct nla_policy net_shaper_get_dump_nl_policy[NET_SHAPER_A_IFINDEX + 1] = { + [NET_SHAPER_A_IFINDEX] = { .type = NLA_U32, }, +}; + +/* NET_SHAPER_CMD_SET - do */ +static const struct nla_policy net_shaper_set_nl_policy[NET_SHAPER_A_SHAPER + 1] = { + [NET_SHAPER_A_IFINDEX] = { .type = NLA_U32, }, + [NET_SHAPER_A_SHAPER] = NLA_POLICY_NESTED(net_shaper_info_nl_policy), +}; + +/* NET_SHAPER_CMD_DELETE - do */ +static const struct nla_policy net_shaper_delete_nl_policy[NET_SHAPER_A_IFINDEX + 1] = { + [NET_SHAPER_A_IFINDEX] = { .type = NLA_U32, }, + [NET_SHAPER_A_HANDLE] = NLA_POLICY_NESTED(net_shaper_handle_nl_policy), +}; + +/* NET_SHAPER_CMD_GROUP - do */ +static const struct nla_policy net_shaper_group_nl_policy[NET_SHAPER_A_ROOT + 1] = { + [NET_SHAPER_A_IFINDEX] = { .type = NLA_U32, }, + [NET_SHAPER_A_LEAVES] = NLA_POLICY_NESTED(net_shaper_info_nl_policy), + [NET_SHAPER_A_ROOT] = NLA_POLICY_NESTED(net_shaper_root_info_nl_policy), +}; + +/* Ops table for net_shaper */ +static const struct genl_split_ops net_shaper_nl_ops[] = { + { + .cmd = NET_SHAPER_CMD_GET, + .pre_doit = net_shaper_nl_pre_doit, + .doit = net_shaper_nl_get_doit, + .post_doit = net_shaper_nl_post_doit, + .policy = net_shaper_get_do_nl_policy, + .maxattr = NET_SHAPER_A_IFINDEX, + .flags = GENL_CMD_CAP_DO, + }, + { + .cmd = NET_SHAPER_CMD_GET, + .dumpit = net_shaper_nl_get_dumpit, + .policy = net_shaper_get_dump_nl_policy, + .maxattr = NET_SHAPER_A_IFINDEX, + .flags = GENL_CMD_CAP_DUMP, + }, + { + .cmd = NET_SHAPER_CMD_SET, + .pre_doit = net_shaper_nl_pre_doit, + .doit = net_shaper_nl_set_doit, + .post_doit = net_shaper_nl_post_doit, + .policy = net_shaper_set_nl_policy, + .maxattr = NET_SHAPER_A_SHAPER, + .flags = GENL_ADMIN_PERM | GENL_CMD_CAP_DO, + }, + { + .cmd = NET_SHAPER_CMD_DELETE, + .pre_doit = net_shaper_nl_pre_doit, + .doit = net_shaper_nl_delete_doit, + .post_doit = net_shaper_nl_post_doit, + .policy = net_shaper_delete_nl_policy, + .maxattr = NET_SHAPER_A_IFINDEX, + .flags = GENL_ADMIN_PERM | GENL_CMD_CAP_DO, + }, + { + .cmd = NET_SHAPER_CMD_GROUP, + .pre_doit = net_shaper_nl_pre_doit, + .doit = net_shaper_nl_group_doit, + .post_doit = net_shaper_nl_post_doit, + .policy = net_shaper_group_nl_policy, + .maxattr = NET_SHAPER_A_ROOT, + .flags = GENL_ADMIN_PERM | GENL_CMD_CAP_DO, + }, +}; + +struct genl_family net_shaper_nl_family __ro_after_init = { + .name = NET_SHAPER_FAMILY_NAME, + .version = NET_SHAPER_FAMILY_VERSION, + .netnsok = true, + .parallel_ops = true, + .module = THIS_MODULE, + .split_ops = net_shaper_nl_ops, + .n_split_ops = ARRAY_SIZE(net_shaper_nl_ops), +}; diff --git a/net/shaper/shaper_nl_gen.h b/net/shaper/shaper_nl_gen.h new file mode 100644 index 000000000000..9b0682c83a07 --- /dev/null +++ b/net/shaper/shaper_nl_gen.h @@ -0,0 +1,33 @@ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */ +/* Do not edit directly, auto-generated from: */ +/* Documentation/netlink/specs/net_shaper.yaml */ +/* YNL-GEN kernel header */ + +#ifndef _LINUX_NET_SHAPER_GEN_H +#define _LINUX_NET_SHAPER_GEN_H + +#include +#include + +#include + +/* Common nested types */ +extern const struct nla_policy net_shaper_handle_nl_policy[NET_SHAPER_A_ID + 1]; +extern const struct nla_policy net_shaper_info_nl_policy[NET_SHAPER_A_WEIGHT + 1]; +extern const struct nla_policy net_shaper_root_info_nl_policy[NET_SHAPER_A_PARENT + 1]; + +int net_shaper_nl_pre_doit(const struct genl_split_ops *ops, + struct sk_buff *skb, struct genl_info *info); +void +net_shaper_nl_post_doit(const struct genl_split_ops *ops, struct sk_buff *skb, + struct genl_info *info); + +int net_shaper_nl_get_doit(struct sk_buff *skb, struct genl_info *info); +int net_shaper_nl_get_dumpit(struct sk_buff *skb, struct netlink_callback *cb); +int net_shaper_nl_set_doit(struct sk_buff *skb, struct genl_info *info); +int net_shaper_nl_delete_doit(struct sk_buff *skb, struct genl_info *info); +int net_shaper_nl_group_doit(struct sk_buff *skb, struct genl_info *info); + +extern struct genl_family net_shaper_nl_family; + +#endif /* _LINUX_NET_SHAPER_GEN_H */