From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Rybchenko Subject: [PATCH 19/53] net/sfc/base: add description of the PS packets layout Date: Thu, 16 Nov 2017 08:04:07 +0000 Message-ID: <1510819481-6809-20-git-send-email-arybchenko@solarflare.com> References: <1510819481-6809-1-git-send-email-arybchenko@solarflare.com> Mime-Version: 1.0 Content-Type: text/plain Cc: Andrew Rybchenko To: Return-path: 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) In-Reply-To: <1510819481-6809-1-git-send-email-arybchenko@solarflare.com> 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, -- 2.7.4