From patchwork Fri Aug 14 22:41:07 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kirsher, Jeffrey T" X-Patchwork-Id: 31448 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@bilbo.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from ozlabs.org (ozlabs.org [203.10.76.45]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "mx.ozlabs.org", Issuer "CA Cert Signing Authority" (verified OK)) by bilbo.ozlabs.org (Postfix) with ESMTPS id E50C6B7B6D for ; Sat, 15 Aug 2009 08:41:40 +1000 (EST) Received: by ozlabs.org (Postfix) id CDEB3DDD1B; Sat, 15 Aug 2009 08:41:40 +1000 (EST) Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by ozlabs.org (Postfix) with ESMTP id 5E81EDDD0B for ; Sat, 15 Aug 2009 08:41:40 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754031AbZHNWl1 (ORCPT ); Fri, 14 Aug 2009 18:41:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753864AbZHNWl0 (ORCPT ); Fri, 14 Aug 2009 18:41:26 -0400 Received: from qmta11.emeryville.ca.mail.comcast.net ([76.96.27.211]:55451 "EHLO QMTA11.emeryville.ca.mail.comcast.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753881AbZHNWlZ (ORCPT ); Fri, 14 Aug 2009 18:41:25 -0400 Received: from OMTA22.emeryville.ca.mail.comcast.net ([76.96.30.89]) by QMTA11.emeryville.ca.mail.comcast.net with comcast id UMeR1c0021vN32cABNgjb0; Fri, 14 Aug 2009 22:40:43 +0000 Received: from localhost.localdomain ([63.64.152.142]) by OMTA22.emeryville.ca.mail.comcast.net with comcast id UNkh1c00K34bfcX8iNkjAR; Fri, 14 Aug 2009 22:44:58 +0000 From: Jeff Kirsher Subject: [net-next PATCH 01/12] vlan: adds fcoe offload related net_device_ops and updates fcoe_ddp_xid field To: davem@davemloft.net Cc: netdev@vger.kernel.org, linux-scsi@vger.kernel.org, gospo@redhat.com, Vasu Dev , Jeff Kirsher Date: Fri, 14 Aug 2009 15:41:07 -0700 Message-ID: <20090814224106.1640.6910.stgit@localhost.localdomain> In-Reply-To: <20090814223857.1640.26881.stgit@localhost.localdomain> References: <20090814223857.1640.26881.stgit@localhost.localdomain> User-Agent: StGIT/0.14.3 MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Vasu Dev Adds fcoe offload related net_device_ops functions vlan_dev_fcoe_ddp_setup and vlan_dev_fcoe_ddp_done, their implementation simply calls real eth device net_device_ops for FCoE DDP setup and done operations. Updates VLAN netdev field value for fcoe_ddp_xid from real eth device netdev. Above changes are required for fcoe DDP offload working on a VLAN interface. Signed-off-by: Vasu Dev Signed-off-by: Jeff Kirsher --- net/8021q/vlan.c | 3 +++ net/8021q/vlan_dev.c | 39 +++++++++++++++++++++++++++++++++++++++ 2 files changed, 42 insertions(+), 0 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c index a1f1630..e814794 100644 --- a/net/8021q/vlan.c +++ b/net/8021q/vlan.c @@ -391,6 +391,9 @@ static void vlan_transfer_features(struct net_device *dev, vlandev->features &= ~dev->vlan_features; vlandev->features |= dev->features & dev->vlan_features; vlandev->gso_max_size = dev->gso_max_size; +#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE) + vlandev->fcoe_ddp_xid = dev->fcoe_ddp_xid; +#endif if (old_features != vlandev->features) netdev_features_change(vlandev); diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c index 96bad8f..6e695ac 100644 --- a/net/8021q/vlan_dev.c +++ b/net/8021q/vlan_dev.c @@ -561,6 +561,33 @@ static int vlan_dev_neigh_setup(struct net_device *dev, struct neigh_parms *pa) return err; } +#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE) +static int vlan_dev_fcoe_ddp_setup(struct net_device *dev, u16 xid, + struct scatterlist *sgl, unsigned int sgc) +{ + struct net_device *real_dev = vlan_dev_info(dev)->real_dev; + const struct net_device_ops *ops = real_dev->netdev_ops; + int rc = 0; + + if (ops->ndo_fcoe_ddp_setup) + rc = ops->ndo_fcoe_ddp_setup(real_dev, xid, sgl, sgc); + + return rc; +} + +static int vlan_dev_fcoe_ddp_done(struct net_device *dev, u16 xid) +{ + struct net_device *real_dev = vlan_dev_info(dev)->real_dev; + const struct net_device_ops *ops = real_dev->netdev_ops; + int len = 0; + + if (ops->ndo_fcoe_ddp_done) + len = ops->ndo_fcoe_ddp_done(real_dev, xid); + + return len; +} +#endif + static void vlan_dev_change_rx_flags(struct net_device *dev, int change) { struct net_device *real_dev = vlan_dev_info(dev)->real_dev; @@ -635,6 +662,10 @@ static int vlan_dev_init(struct net_device *dev) if (is_zero_ether_addr(dev->broadcast)) memcpy(dev->broadcast, real_dev->broadcast, dev->addr_len); +#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE) + dev->fcoe_ddp_xid = real_dev->fcoe_ddp_xid; +#endif + if (real_dev->features & NETIF_F_HW_VLAN_TX) { dev->header_ops = real_dev->header_ops; dev->hard_header_len = real_dev->hard_header_len; @@ -715,6 +746,10 @@ static const struct net_device_ops vlan_netdev_ops = { .ndo_change_rx_flags = vlan_dev_change_rx_flags, .ndo_do_ioctl = vlan_dev_ioctl, .ndo_neigh_setup = vlan_dev_neigh_setup, +#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE) + .ndo_fcoe_ddp_setup = vlan_dev_fcoe_ddp_setup, + .ndo_fcoe_ddp_done = vlan_dev_fcoe_ddp_done, +#endif }; static const struct net_device_ops vlan_netdev_accel_ops = { @@ -731,6 +766,10 @@ static const struct net_device_ops vlan_netdev_accel_ops = { .ndo_change_rx_flags = vlan_dev_change_rx_flags, .ndo_do_ioctl = vlan_dev_ioctl, .ndo_neigh_setup = vlan_dev_neigh_setup, +#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE) + .ndo_fcoe_ddp_setup = vlan_dev_fcoe_ddp_setup, + .ndo_fcoe_ddp_done = vlan_dev_fcoe_ddp_done, +#endif }; void vlan_setup(struct net_device *dev)