From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Kirsher Subject: [net-next PATCH 01/12] vlan: adds fcoe offload related net_device_ops and updates fcoe_ddp_xid field Date: Fri, 14 Aug 2009 15:41:07 -0700 Message-ID: <20090814224106.1640.6910.stgit@localhost.localdomain> References: <20090814223857.1640.26881.stgit@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: Received: from qmta05.emeryville.ca.mail.comcast.net ([76.96.30.48]:49301 "EHLO QMTA05.emeryville.ca.mail.comcast.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753864AbZHNWlZ (ORCPT ); Fri, 14 Aug 2009 18:41:25 -0400 In-Reply-To: <20090814223857.1640.26881.stgit@localhost.localdomain> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: davem@davemloft.net Cc: netdev@vger.kernel.org, linux-scsi@vger.kernel.org, gospo@redhat.com, Vasu Dev , Jeff Kirsher 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(-) 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)