From patchwork Thu Nov 16 08:04:07 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Rybchenko X-Patchwork-Id: 31424 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 6340C1B3D0; Thu, 16 Nov 2017 09:05:48 +0100 (CET) Received: from dispatch1-us1.ppe-hosted.com (dispatch1-us1.ppe-hosted.com [67.231.154.164]) by dpdk.org (Postfix) with ESMTP id E15BE1B27E for ; Thu, 16 Nov 2017 09:05:03 +0100 (CET) Received: from pure.maildistiller.com (unknown [10.110.50.29]) by dispatch1-us1.ppe-hosted.com (Proofpoint Essentials ESMTP Server) with ESMTP id 6A87F2006B; Thu, 16 Nov 2017 08:05:03 +0000 (UTC) X-Virus-Scanned: Proofpoint Essentials engine Received: from mx1-us4.ppe-hosted.com (unknown [10.110.49.251]) by pure.maildistiller.com (Proofpoint Essentials ESMTP Server) with ESMTPS id AA3CF40058; Thu, 16 Nov 2017 08:04:59 +0000 (UTC) Received: from webmail.solarflare.com (webmail.solarflare.com [12.187.104.26]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1-us4.ppe-hosted.com (Proofpoint Essentials ESMTP Server) with ESMTPS id 64109B4005A; Thu, 16 Nov 2017 08:04:59 +0000 (UTC) Received: from ocex03.SolarFlarecom.com (10.20.40.36) by ocex03.SolarFlarecom.com (10.20.40.36) with Microsoft SMTP Server (TLS) id 15.0.1044.25; Thu, 16 Nov 2017 00:04:55 -0800 Received: from opal.uk.solarflarecom.com (10.17.10.1) by ocex03.SolarFlarecom.com (10.20.40.36) with Microsoft SMTP Server (TLS) id 15.0.1044.25 via Frontend Transport; Thu, 16 Nov 2017 00:04:54 -0800 Received: from uklogin.uk.solarflarecom.com (uklogin.uk.solarflarecom.com [10.17.10.10]) by opal.uk.solarflarecom.com (8.13.8/8.13.8) with ESMTP id vAG84rlM016671; Thu, 16 Nov 2017 08:04:53 GMT Received: from uklogin.uk.solarflarecom.com (localhost.localdomain [127.0.0.1]) by uklogin.uk.solarflarecom.com (8.13.8/8.13.8) with ESMTP id vAG84qtq006905; Thu, 16 Nov 2017 08:04:53 GMT From: Andrew Rybchenko To: CC: Andrew Rybchenko Date: Thu, 16 Nov 2017 08:04:07 +0000 Message-ID: <1510819481-6809-20-git-send-email-arybchenko@solarflare.com> X-Mailer: git-send-email 1.8.2.3 In-Reply-To: <1510819481-6809-1-git-send-email-arybchenko@solarflare.com> References: <1510819481-6809-1-git-send-email-arybchenko@solarflare.com> MIME-Version: 1.0 X-MDID: 1510819503-DjQe-dydQc+g Subject: [dpdk-dev] [PATCH 19/53] net/sfc/base: add description of the PS packets layout X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" From: Andrew Rybchenko Signed-off-by: Andrew Rybchenko --- drivers/net/sfc/base/ef10_rx.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/net/sfc/base/ef10_rx.c b/drivers/net/sfc/base/ef10_rx.c index 53ea054..69ebc2d 100644 --- a/drivers/net/sfc/base/ef10_rx.c +++ b/drivers/net/sfc/base/ef10_rx.c @@ -804,6 +804,16 @@ ef10_rx_qpush_ps_credits( rxq_state->eers_rx_packed_stream_credits = 0; } +/* + * In accordance with SF-112241-TC the received data has the following layout: + * - 8 byte pseudo-header which consist of: + * - 4 byte little-endian timestamp + * - 2 byte little-endian captured length in bytes + * - 2 byte little-endian original packet length in bytes + * - captured packet bytes + * - optional padding to align to 64 bytes boundary + * - 64 bytes scratch space for the host software + */ __checkReturn uint8_t * ef10_rx_qps_packet_info( __in efx_rxq_t *erp,