From mboxrd@z Thu Jan 1 00:00:00 1970 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=-7.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 3FFC4C433E0 for ; Tue, 23 Jun 2020 20:59:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1843C20702 for ; Tue, 23 Jun 2020 20:59:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="bWcU6HlQ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2393104AbgFWU7O (ORCPT ); Tue, 23 Jun 2020 16:59:14 -0400 Received: from us-smtp-1.mimecast.com ([207.211.31.81]:42107 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2392305AbgFWUlS (ORCPT ); Tue, 23 Jun 2020 16:41:18 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1592944876; 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; bh=LLF8LHEH8NJOMUcF1aLfYC033N+Bd+Ad/2TjfiGHZVA=; b=bWcU6HlQW80BIDR7ITD8yj9BIF42G6tz2xmAz/vUiN6mWTMLl/590hm8dD1i3i1KQ1Iwv6 Kw1phBnaep98herNRNRxxAKUbYXh+VbJ2pw+3lmYs9wT7fhsh7vehn5gSo+kzV2wg0QoSB klHI3QUAARLRtaVFp5FCONVcGspETKE= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-339-4smYYUt9Mj6P7AM3k07XCg-1; Tue, 23 Jun 2020 16:41:12 -0400 X-MC-Unique: 4smYYUt9Mj6P7AM3k07XCg-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id D839D1005512; Tue, 23 Jun 2020 20:41:09 +0000 (UTC) Received: from hp-dl360pgen8-07.khw2.lab.eng.bos.redhat.com (hp-dl360pgen8-07.khw2.lab.eng.bos.redhat.com [10.16.210.135]) by smtp.corp.redhat.com (Postfix) with ESMTP id 1FBE460CD3; Tue, 23 Jun 2020 20:41:05 +0000 (UTC) From: Jarod Wilson To: linux-kernel@vger.kernel.org Cc: Jarod Wilson , Boris Pismenny , Saeed Mahameed , Leon Romanovsky , Jay Vosburgh , Veaceslav Falico , Andy Gospodarek , "David S. Miller" , Jeff Kirsher , Jakub Kicinski , Steffen Klassert , Herbert Xu , netdev@vger.kernel.org Subject: [PATCH net-next] bonding/xfrm: use real_dev instead of slave_dev Date: Tue, 23 Jun 2020 16:40:01 -0400 Message-Id: <20200623204001.55030-1-jarod@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Rather than requiring every hw crypto capable NIC driver to do a check for slave_dev being set, set real_dev in the xfrm layer and xso init time, and then override it in the bonding driver as needed. Then NIC drivers can always use real_dev, and at the same time, we eliminate the use of a variable name that probably shouldn't have been used in the first place, particularly given recent current events. CC: Boris Pismenny CC: Saeed Mahameed CC: Leon Romanovsky CC: Jay Vosburgh CC: Veaceslav Falico CC: Andy Gospodarek CC: "David S. Miller" CC: Jeff Kirsher CC: Jakub Kicinski CC: Steffen Klassert CC: Herbert Xu CC: netdev@vger.kernel.org Suggested-by: Saeed Mahameed Signed-off-by: Jarod Wilson --- drivers/net/bonding/bond_main.c | 6 +-- .../net/ethernet/intel/ixgbe/ixgbe_ipsec.c | 47 +++++-------------- .../mellanox/mlx5/core/en_accel/ipsec.c | 10 +--- include/net/xfrm.h | 2 +- net/xfrm/xfrm_device.c | 5 +- 5 files changed, 21 insertions(+), 49 deletions(-) diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 90939ccf2a94..4ef99efc37f6 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -386,7 +386,7 @@ static int bond_ipsec_add_sa(struct xfrm_state *xs) struct bonding *bond = netdev_priv(bond_dev); struct slave *slave = rtnl_dereference(bond->curr_active_slave); - xs->xso.slave_dev = slave->dev; + xs->xso.real_dev = slave->dev; bond->xs = xs; if (!(slave->dev->xfrmdev_ops @@ -411,7 +411,7 @@ static void bond_ipsec_del_sa(struct xfrm_state *xs) if (!slave) return; - xs->xso.slave_dev = slave->dev; + xs->xso.real_dev = slave->dev; if (!(slave->dev->xfrmdev_ops && slave->dev->xfrmdev_ops->xdo_dev_state_delete)) { @@ -440,7 +440,7 @@ static bool bond_ipsec_offload_ok(struct sk_buff *skb, struct xfrm_state *xs) return false; } - xs->xso.slave_dev = slave_dev; + xs->xso.real_dev = slave_dev; return slave_dev->xfrmdev_ops->xdo_dev_offload_ok(skb, xs); } diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c index 26b0a58a064d..6516980965a2 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c @@ -427,14 +427,11 @@ static struct xfrm_state *ixgbe_ipsec_find_rx_state(struct ixgbe_ipsec *ipsec, static int ixgbe_ipsec_parse_proto_keys(struct xfrm_state *xs, u32 *mykey, u32 *mysalt) { - struct net_device *dev = xs->xso.dev; + struct net_device *dev = xs->xso.real_dev; unsigned char *key_data; char *alg_name = NULL; int key_len; - if (xs->xso.slave_dev) - dev = xs->xso.slave_dev; - if (!xs->aead) { netdev_err(dev, "Unsupported IPsec algorithm\n"); return -EINVAL; @@ -480,9 +477,9 @@ static int ixgbe_ipsec_parse_proto_keys(struct xfrm_state *xs, **/ static int ixgbe_ipsec_check_mgmt_ip(struct xfrm_state *xs) { - struct net_device *dev = xs->xso.dev; - struct ixgbe_adapter *adapter; - struct ixgbe_hw *hw; + struct net_device *dev = xs->xso.real_dev; + struct ixgbe_adapter *adapter = netdev_priv(dev); + struct ixgbe_hw *hw = &adapter->hw; u32 mfval, manc, reg; int num_filters = 4; bool manc_ipv4; @@ -500,12 +497,6 @@ static int ixgbe_ipsec_check_mgmt_ip(struct xfrm_state *xs) #define BMCIP_V6 0x3 #define BMCIP_MASK 0x3 - if (xs->xso.slave_dev) - dev = xs->xso.slave_dev; - - adapter = netdev_priv(dev); - hw = &adapter->hw; - manc = IXGBE_READ_REG(hw, IXGBE_MANC); manc_ipv4 = !!(manc & MANC_EN_IPV4_FILTER); mfval = IXGBE_READ_REG(hw, IXGBE_MFVAL); @@ -569,22 +560,15 @@ static int ixgbe_ipsec_check_mgmt_ip(struct xfrm_state *xs) **/ static int ixgbe_ipsec_add_sa(struct xfrm_state *xs) { - struct net_device *dev = xs->xso.dev; - struct ixgbe_adapter *adapter; - struct ixgbe_ipsec *ipsec; - struct ixgbe_hw *hw; + struct net_device *dev = xs->xso.real_dev; + struct ixgbe_adapter *adapter = netdev_priv(dev); + struct ixgbe_ipsec *ipsec = adapter->ipsec; + struct ixgbe_hw *hw = &adapter->hw; int checked, match, first; u16 sa_idx; int ret; int i; - if (xs->xso.slave_dev) - dev = xs->xso.slave_dev; - - adapter = netdev_priv(dev); - ipsec = adapter->ipsec; - hw = &adapter->hw; - if (xs->id.proto != IPPROTO_ESP && xs->id.proto != IPPROTO_AH) { netdev_err(dev, "Unsupported protocol 0x%04x for ipsec offload\n", xs->id.proto); @@ -761,20 +745,13 @@ static int ixgbe_ipsec_add_sa(struct xfrm_state *xs) **/ static void ixgbe_ipsec_del_sa(struct xfrm_state *xs) { - struct net_device *dev = xs->xso.dev; - struct ixgbe_adapter *adapter; - struct ixgbe_ipsec *ipsec; - struct ixgbe_hw *hw; + struct net_device *dev = xs->xso.real_dev; + struct ixgbe_adapter *adapter = netdev_priv(dev); + struct ixgbe_ipsec *ipsec = adapter->ipsec; + struct ixgbe_hw *hw = &adapter->hw; u32 zerobuf[4] = {0, 0, 0, 0}; u16 sa_idx; - if (xs->xso.slave_dev) - dev = xs->xso.slave_dev; - - adapter = netdev_priv(dev); - ipsec = adapter->ipsec; - hw = &adapter->hw; - if (xs->xso.flags & XFRM_OFFLOAD_INBOUND) { struct rx_sa *rsa; u8 ipi; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c index 72ad6664bd73..bc55c82b55ba 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c @@ -207,12 +207,9 @@ mlx5e_ipsec_build_accel_xfrm_attrs(struct mlx5e_ipsec_sa_entry *sa_entry, static inline int mlx5e_xfrm_validate_state(struct xfrm_state *x) { - struct net_device *netdev = x->xso.dev; + struct net_device *netdev = x->xso.real_dev; struct mlx5e_priv *priv; - if (x->xso.slave_dev) - netdev = x->xso.slave_dev; - priv = netdev_priv(netdev); if (x->props.aalgo != SADB_AALG_NONE) { @@ -288,15 +285,12 @@ static inline int mlx5e_xfrm_validate_state(struct xfrm_state *x) static int mlx5e_xfrm_add_state(struct xfrm_state *x) { struct mlx5e_ipsec_sa_entry *sa_entry = NULL; - struct net_device *netdev = x->xso.dev; + struct net_device *netdev = x->xso.real_dev; struct mlx5_accel_esp_xfrm_attrs attrs; struct mlx5e_priv *priv; unsigned int sa_handle; int err; - if (x->xso.slave_dev) - netdev = x->xso.slave_dev; - priv = netdev_priv(netdev); err = mlx5e_xfrm_validate_state(x); diff --git a/include/net/xfrm.h b/include/net/xfrm.h index e20b2b27ec48..e648c9e6c919 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -127,7 +127,7 @@ struct xfrm_state_walk { struct xfrm_state_offload { struct net_device *dev; - struct net_device *slave_dev; + struct net_device *real_dev; unsigned long offload_handle; unsigned int num_exthdrs; u8 flags; diff --git a/net/xfrm/xfrm_device.c b/net/xfrm/xfrm_device.c index b8918fc5248b..7b64bb64c822 100644 --- a/net/xfrm/xfrm_device.c +++ b/net/xfrm/xfrm_device.c @@ -120,8 +120,8 @@ struct sk_buff *validate_xmit_xfrm(struct sk_buff *skb, netdev_features_t featur if (xo->flags & XFRM_GRO || x->xso.flags & XFRM_OFFLOAD_INBOUND) return skb; - /* This skb was already validated on the master dev */ - if ((x->xso.dev != dev) && (x->xso.slave_dev == dev)) + /* This skb was already validated on the upper/virtual dev */ + if ((x->xso.dev != dev) && (x->xso.real_dev == dev)) return skb; local_irq_save(flags); @@ -259,6 +259,7 @@ int xfrm_dev_state_add(struct net *net, struct xfrm_state *x, } xso->dev = dev; + xso->real_dev = dev; xso->num_exthdrs = 1; xso->flags = xuo->flags; -- 2.20.1