From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yi Zou Subject: [PATCH 5/7] fcoe: add support to net_fcoe_ops in fcoe_sw Date: Thu, 19 Feb 2009 12:50:14 -0700 Message-ID: <20090219195014.22270.66568.stgit.yi.zou@intel.com> References: <20090219194734.22270.8445.stgit@zychengdu.jf.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit To: linux-scsi@vger.kernel.org, netdev@vger.kernel.org Return-path: Received: from mga01.intel.com ([192.55.52.88]:34251 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755012AbZBSU5W (ORCPT ); Thu, 19 Feb 2009 15:57:22 -0500 In-Reply-To: <20090219194734.22270.8445.stgit@zychengdu.jf.intel.com> Sender: netdev-owner@vger.kernel.org List-ID: This adds implementation of ddp_setup()/ddp_done() in fcoe_sw for its fcoe_sw_libfc_fcn_templ. Signed-off-by: Yi Zou --- drivers/scsi/fcoe/fcoe_sw.c | 37 +++++++++++++++++++++++++++++++++++++ 1 files changed, 37 insertions(+), 0 deletions(-) diff --git a/drivers/scsi/fcoe/fcoe_sw.c b/drivers/scsi/fcoe/fcoe_sw.c index 7632d7e..57f7a51 100644 --- a/drivers/scsi/fcoe/fcoe_sw.c +++ b/drivers/scsi/fcoe/fcoe_sw.c @@ -373,8 +373,45 @@ static int fcoe_sw_destroy(struct net_device *netdev) return 0; } +/* + * fcoe_sw_ddp_setup - calls LLD's ddp_setup through net_device + * @lp: the corresponding fc_lport + * @xid: the exchange id for this ddp transfer + * @sgl: the scatterlist describing this transfer + * @sgc: number of sg items + * + * Returns : 0 no ddp + */ +static int fcoe_sw_ddp_setup(struct fc_lport *lp, u16 xid, + struct scatterlist *sgl, unsigned int sgc) +{ + struct net_device *ndev = fcoe_netdev(lp); + + if (ndev->fcoe_ops && ndev->fcoe_ops->ddp_setup) + return ndev->fcoe_ops->ddp_setup(ndev, xid, sgl, sgc); + return 0; +} + +/* + * fcoe_sw_ddp_done - calls LLD's ddp_done through net_device + * @lp: the corresponding fc_lport + * @xid: the exchange id for this ddp transfer + * + * Returns : the length of data that have been completed by ddp + */ +static int fcoe_sw_ddp_done(struct fc_lport *lp, u16 xid) +{ + struct net_device *ndev = fcoe_netdev(lp); + + if (ndev->fcoe_ops && ndev->fcoe_ops->ddp_done) + return ndev->fcoe_ops->ddp_done(ndev, xid); + return 0; +} + static struct libfc_function_template fcoe_sw_libfc_fcn_templ = { .frame_send = fcoe_xmit, + .ddp_setup = fcoe_sw_ddp_setup, + .ddp_done = fcoe_sw_ddp_done, }; /**