From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from shards.monkeyblade.net (shards.monkeyblade.net [IPv6:2001:4f8:3:36:211:85ff:fe63:a549]) by lists.ozlabs.org (Postfix) with ESMTP id 3qfly858NXzDqDX for ; Wed, 6 Apr 2016 09:52:00 +1000 (AEST) Date: Tue, 05 Apr 2016 19:51:57 -0400 (EDT) Message-Id: <20160405.195157.2030686647042617056.davem@davemloft.net> To: tlfalcon@linux.vnet.ibm.com Cc: netdev@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, jallen@linux.vnet.ibm.com Subject: Re: [net-next PATCH 1/2 v4] ibmvnic: map L2/L3/L4 header descriptors to firmware From: David Miller In-Reply-To: <1459549235-22039-1-git-send-email-tlfalcon@linux.vnet.ibm.com> References: <1459549235-22039-1-git-send-email-tlfalcon@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Thomas Falcon Date: Fri, 1 Apr 2016 17:20:34 -0500 > Allow the VNIC driver to provide descriptors containing > L2/L3/L4 headers to firmware. This feature is needed > for greater hardware compatibility and enablement of checksum > and TCP offloading features. > > A new function is included for the hypervisor call, > H_SEND_SUBCRQ_INDIRECT, allowing a DMA-mapped array of SCRQ > descriptor elements to be sent to the VNIC server. > > These additions will help fully enable checksum offloading as > well as other features as they are included later. > > Signed-off-by: Thomas Falcon Applied.