From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [for-next 4/6] net/mlx5: FPGA, Add basic support for Innova Date: Tue, 06 Jun 2017 14:38:24 -0400 (EDT) Message-ID: <20170606.143824.717466091308335341.davem@davemloft.net> References: <20170606174233.w377ctwtapzccsk7@ast-mbp.dhcp.thefacebook.com> <20170606.134726.416045938000214127.davem@davemloft.net> <20170606183457.fg7vgv2zji3fhlb5@ast-mbp.dhcp.thefacebook.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: jgunthorpe@obsidianresearch.com, ilant@mellanox.com, saeedm@dev.mellanox.co.il, dledford@redhat.com, netdev@vger.kernel.org, linux-rdma@vger.kernel.org, jsorensen@fb.com, andy.shevchenko@gmail.com, linux-fpga@vger.kernel.org, atull@opensource.altera.com, yi1.li@linux.intel.com, borisp@mellanox.com To: alexei.starovoitov@gmail.com Return-path: Received: from shards.monkeyblade.net ([184.105.139.130]:36376 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751452AbdFFSia (ORCPT ); Tue, 6 Jun 2017 14:38:30 -0400 In-Reply-To: <20170606183457.fg7vgv2zji3fhlb5@ast-mbp.dhcp.thefacebook.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Alexei Starovoitov Date: Tue, 6 Jun 2017 11:34:59 -0700 > fpga is a separate device with its own phy and mac layers, its > own queues, packet parsing and rdma logic. Because that's how they bolted it onto the ASIC in current implementation, it might not always be that way and be fully integrated in the future. And I stress the word "implementation" as in "implementation detail" the visible behavior is going to be the same, the difference is how the thing is hooked up and maybe how you program it.