From patchwork Fri Feb 27 22:07:26 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yi Zou X-Patchwork-Id: 23843 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org 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 0EC9CDDDEE for ; Sat, 28 Feb 2009 10:15:20 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759000AbZB0XPJ (ORCPT ); Fri, 27 Feb 2009 18:15:09 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759192AbZB0XPH (ORCPT ); Fri, 27 Feb 2009 18:15:07 -0500 Received: from mga14.intel.com ([143.182.124.37]:30173 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759147AbZB0XPD (ORCPT ); Fri, 27 Feb 2009 18:15:03 -0500 Received: from azsmga001.ch.intel.com ([10.2.17.19]) by azsmga102.ch.intel.com with ESMTP; 27 Feb 2009 15:15:01 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.38,279,1233561600"; d="scan'208";a="115240997" Received: from zychengdu.jf.intel.com (HELO localhost.localdomain) ([10.23.35.105]) by azsmga001.ch.intel.com with ESMTP; 27 Feb 2009 15:15:01 -0800 From: Yi Zou Subject: [PATCH 10/11] fcoe: add support to FCoE offload support in fcoe_sw through net_device To: netdev@vger.kernel.org, linux-scsi@vger.kernel.org Cc: yi.zou@intel.com Date: Fri, 27 Feb 2009 14:07:26 -0800 Message-ID: <20090227220726.4987.33461.stgit.yi.zou@intel.com> In-Reply-To: <20090227220034.4987.50755.stgit@localhost.localdomain> References: <20090227220034.4987.50755.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 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 | 38 ++++++++++++++++++++++++++++++++++++++ 1 files changed, 38 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/drivers/scsi/fcoe/fcoe_sw.c b/drivers/scsi/fcoe/fcoe_sw.c index d99217d..2bbbe3c 100644 --- a/drivers/scsi/fcoe/fcoe_sw.c +++ b/drivers/scsi/fcoe/fcoe_sw.c @@ -373,8 +373,46 @@ 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 *n = fcoe_netdev(lp); + + if (n->netdev_ops && n->netdev_ops->ndo_fcoe_ddp_setup) + return n->netdev_ops->ndo_fcoe_ddp_setup(n, 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 *n = fcoe_netdev(lp); + + if (n->netdev_ops && n->netdev_ops->ndo_fcoe_ddp_done) + return n->netdev_ops->ndo_fcoe_ddp_done(n, 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, }; /**