From patchwork Sun Mar 22 18:48:30 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ido Schimmel X-Patchwork-Id: 222069 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9686FC54FCE for ; Sun, 22 Mar 2020 18:50:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 648712072E for ; Sun, 22 Mar 2020 18:50:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b="PDp0jikg" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726896AbgCVSu3 (ORCPT ); Sun, 22 Mar 2020 14:50:29 -0400 Received: from out4-smtp.messagingengine.com ([66.111.4.28]:53351 "EHLO out4-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726816AbgCVSu1 (ORCPT ); Sun, 22 Mar 2020 14:50:27 -0400 Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailout.nyi.internal (Postfix) with ESMTP id 3682C5C0175; Sun, 22 Mar 2020 14:50:26 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute4.internal (MEProxy); Sun, 22 Mar 2020 14:50:26 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :in-reply-to:message-id:mime-version:references:subject:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm2; bh=aH7p6YryE2XatPwj9qwHPR90ngV7x7KlDKtMXFWBWHg=; b=PDp0jikg t/vWoksXGUDq8xIxK5tGP6YM7hspa40mie3JPPgKYq9nnxsU/CXjUXK8g4F2vV+Q fkWAiTkoTMxB55z1IqYW56FpCJsPZ85Nk8fO9RXeR6N18CGnXSy0HauZMkuQmh4C PhAwYTA3wYOswvBweHYo9RVEievTPKkunJvpz9PVBhVxcnIIe6Zm0Y++j0jvR40w WgPRoFvNzbGc7k4NEUWRxkK//q4cMN6uhhqHyDbT9mKlbMiFOpvty1lQLB7uBU8o y8jqu23UntwHLmd0PZyAvhDzqvQXPpi02NG+AFP8+Vp8lVmJodA/DQONSEdaFTxz b3jvRlrHg/Rx3Q== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedugedrudegiedguddvtdcutefuodetggdotefrod ftvfcurfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfgh necuuegrihhlohhuthemuceftddtnecunecujfgurhephffvufffkffojghfggfgsedtke ertdertddtnecuhfhrohhmpefkughoucfutghhihhmmhgvlhcuoehiughoshgthhesihgu ohhstghhrdhorhhgqeenucfkphepjeelrddukedtrdelgedrvddvheenucevlhhushhtvg hrufhiiigvpeefnecurfgrrhgrmhepmhgrihhlfhhrohhmpehiughoshgthhesihguohhs tghhrdhorhhg X-ME-Proxy: Received: from splinter.mtl.com (bzq-79-180-94-225.red.bezeqint.net [79.180.94.225]) by mail.messagingengine.com (Postfix) with ESMTPA id D17DE328005A; Sun, 22 Mar 2020 14:50:24 -0400 (EDT) From: Ido Schimmel To: netdev@vger.kernel.org Cc: davem@davemloft.net, jiri@mellanox.com, kuba@kernel.org, mlxsw@mellanox.com, Ido Schimmel Subject: [PATCH net-next 5/5] devlink: Only pass packet trap group identifier in trap structure Date: Sun, 22 Mar 2020 20:48:30 +0200 Message-Id: <20200322184830.1254104-6-idosch@idosch.org> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200322184830.1254104-1-idosch@idosch.org> References: <20200322184830.1254104-1-idosch@idosch.org> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Ido Schimmel Packet trap groups are now explicitly registered by drivers and not implicitly registered when the packet traps are registered. Therefore, there is no need to encode entire group structure the trap is associated with inside the trap structure. Instead, only pass the group identifier. Refer to it as initial group identifier, as future patches will allow user space to move traps between groups. Signed-off-by: Ido Schimmel Reviewed-by: Jiri Pirko --- .../ethernet/mellanox/mlxsw/spectrum_trap.c | 8 +++---- drivers/net/netdevsim/dev.c | 8 +++---- include/net/devlink.h | 13 ++++++------ net/core/devlink.c | 21 +++++++++++++++---- 4 files changed, 32 insertions(+), 18 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c index cf3891609d5c..727f6ef243df 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c @@ -132,23 +132,23 @@ static void mlxsw_sp_rx_exception_listener(struct sk_buff *skb, u8 local_port, #define MLXSW_SP_TRAP_DROP(_id, _group_id) \ DEVLINK_TRAP_GENERIC(DROP, DROP, _id, \ - DEVLINK_TRAP_GROUP_GENERIC(_group_id), \ + DEVLINK_TRAP_GROUP_GENERIC_ID_##_group_id, \ MLXSW_SP_TRAP_METADATA) #define MLXSW_SP_TRAP_DROP_EXT(_id, _group_id, _metadata) \ DEVLINK_TRAP_GENERIC(DROP, DROP, _id, \ - DEVLINK_TRAP_GROUP_GENERIC(_group_id), \ + DEVLINK_TRAP_GROUP_GENERIC_ID_##_group_id, \ MLXSW_SP_TRAP_METADATA | (_metadata)) #define MLXSW_SP_TRAP_DRIVER_DROP(_id, _group_id) \ DEVLINK_TRAP_DRIVER(DROP, DROP, DEVLINK_MLXSW_TRAP_ID_##_id, \ DEVLINK_MLXSW_TRAP_NAME_##_id, \ - DEVLINK_TRAP_GROUP_GENERIC(_group_id), \ + DEVLINK_TRAP_GROUP_GENERIC_ID_##_group_id, \ MLXSW_SP_TRAP_METADATA) #define MLXSW_SP_TRAP_EXCEPTION(_id, _group_id) \ DEVLINK_TRAP_GENERIC(EXCEPTION, TRAP, _id, \ - DEVLINK_TRAP_GROUP_GENERIC(_group_id), \ + DEVLINK_TRAP_GROUP_GENERIC_ID_##_group_id, \ MLXSW_SP_TRAP_METADATA) #define MLXSW_SP_RXL_DISCARD(_id, _group_id) \ diff --git a/drivers/net/netdevsim/dev.c b/drivers/net/netdevsim/dev.c index edeb61ddc8bc..7bfd0622cef1 100644 --- a/drivers/net/netdevsim/dev.c +++ b/drivers/net/netdevsim/dev.c @@ -381,20 +381,20 @@ enum { #define NSIM_TRAP_DROP(_id, _group_id) \ DEVLINK_TRAP_GENERIC(DROP, DROP, _id, \ - DEVLINK_TRAP_GROUP_GENERIC(_group_id), \ + DEVLINK_TRAP_GROUP_GENERIC_ID_##_group_id, \ NSIM_TRAP_METADATA) #define NSIM_TRAP_DROP_EXT(_id, _group_id, _metadata) \ DEVLINK_TRAP_GENERIC(DROP, DROP, _id, \ - DEVLINK_TRAP_GROUP_GENERIC(_group_id), \ + DEVLINK_TRAP_GROUP_GENERIC_ID_##_group_id, \ NSIM_TRAP_METADATA | (_metadata)) #define NSIM_TRAP_EXCEPTION(_id, _group_id) \ DEVLINK_TRAP_GENERIC(EXCEPTION, TRAP, _id, \ - DEVLINK_TRAP_GROUP_GENERIC(_group_id), \ + DEVLINK_TRAP_GROUP_GENERIC_ID_##_group_id, \ NSIM_TRAP_METADATA) #define NSIM_TRAP_DRIVER_EXCEPTION(_id, _group_id) \ DEVLINK_TRAP_DRIVER(EXCEPTION, TRAP, NSIM_TRAP_ID_##_id, \ NSIM_TRAP_NAME_##_id, \ - DEVLINK_TRAP_GROUP_GENERIC(_group_id), \ + DEVLINK_TRAP_GROUP_GENERIC_ID_##_group_id, \ NSIM_TRAP_METADATA) static const struct devlink_trap_group nsim_trap_groups_arr[] = { diff --git a/include/net/devlink.h b/include/net/devlink.h index de3289217b9a..f3eda246fe32 100644 --- a/include/net/devlink.h +++ b/include/net/devlink.h @@ -551,7 +551,7 @@ struct devlink_trap_group { * @generic: Whether the trap is generic or not. * @id: Trap identifier. * @name: Trap name. - * @group: Immutable packet trap group attributes. + * @init_group_id: Initial group identifier. * @metadata_cap: Metadata types that can be provided by the trap. * * Describes immutable attributes of packet traps that drivers register with @@ -563,7 +563,7 @@ struct devlink_trap { bool generic; u16 id; const char *name; - struct devlink_trap_group group; + u16 init_group_id; u32 metadata_cap; }; @@ -692,18 +692,19 @@ enum devlink_trap_group_generic_id { #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \ "acl_drops" -#define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group, _metadata_cap) \ +#define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \ + _metadata_cap) \ { \ .type = DEVLINK_TRAP_TYPE_##_type, \ .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ .generic = true, \ .id = DEVLINK_TRAP_GENERIC_ID_##_id, \ .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \ - .group = _group, \ + .init_group_id = _group_id, \ .metadata_cap = _metadata_cap, \ } -#define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group, \ +#define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \ _metadata_cap) \ { \ .type = DEVLINK_TRAP_TYPE_##_type, \ @@ -711,7 +712,7 @@ enum devlink_trap_group_generic_id { .generic = false, \ .id = _id, \ .name = _name, \ - .group = _group, \ + .init_group_id = _group_id, \ .metadata_cap = _metadata_cap, \ } diff --git a/net/core/devlink.c b/net/core/devlink.c index a35285a48b02..73bb8fbe3393 100644 --- a/net/core/devlink.c +++ b/net/core/devlink.c @@ -5815,6 +5815,19 @@ devlink_trap_group_item_lookup(struct devlink *devlink, const char *name) return NULL; } +static struct devlink_trap_group_item * +devlink_trap_group_item_lookup_by_id(struct devlink *devlink, u16 id) +{ + struct devlink_trap_group_item *group_item; + + list_for_each_entry(group_item, &devlink->trap_group_list, list) { + if (group_item->group->id == id) + return group_item; + } + + return NULL; +} + static struct devlink_trap_group_item * devlink_trap_group_item_get_from_info(struct devlink *devlink, struct genl_info *info) @@ -5953,7 +5966,7 @@ __devlink_trap_group_action_set(struct devlink *devlink, int err; list_for_each_entry(trap_item, &devlink->trap_list, list) { - if (strcmp(trap_item->trap->group.name, group_name)) + if (strcmp(trap_item->group_item->group->name, group_name)) continue; err = __devlink_trap_action_set(devlink, trap_item, trap_action, extack); @@ -7864,7 +7877,7 @@ static int devlink_trap_driver_verify(const struct devlink_trap *trap) static int devlink_trap_verify(const struct devlink_trap *trap) { - if (!trap || !trap->name || !trap->group.name) + if (!trap || !trap->name) return -EINVAL; if (trap->generic) @@ -7939,10 +7952,10 @@ static int devlink_trap_item_group_link(struct devlink *devlink, struct devlink_trap_item *trap_item) { - const struct devlink_trap *trap = trap_item->trap; + u16 group_id = trap_item->trap->init_group_id; struct devlink_trap_group_item *group_item; - group_item = devlink_trap_group_item_lookup(devlink, trap->group.name); + group_item = devlink_trap_group_item_lookup_by_id(devlink, group_id); if (WARN_ON_ONCE(!group_item)) return -EINVAL;