From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Rybchenko Subject: [PATCH 27/53] net/sfc/base: use MCDIv2 for requests with too long response Date: Thu, 16 Nov 2017 08:04:15 +0000 Message-ID: <1510819481-6809-28-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: Mark Spender 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 7337C1B226 for ; Thu, 16 Nov 2017 09:05:02 +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 0FEA82004D for ; Thu, 16 Nov 2017 08:05:02 +0000 (UTC) Received: from mx1-us4.ppe-hosted.com (unknown [10.110.49.251]) by pure.maildistiller.com (Proofpoint Essentials ESMTP Server) with ESMTPS id 32FB622004D for ; Thu, 16 Nov 2017 08:05:00 +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 087F4B4005A for ; Thu, 16 Nov 2017 08:05:00 +0000 (UTC) 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: Mark Spender Use MCDIv2 for requests with a response size too long for MCDIv1. Required for MC_CMD_MAC_STATS to reports the stats without using DMA. Signed-off-by: Mark Spender Signed-off-by: Andrew Rybchenko --- drivers/net/sfc/base/efx_mcdi.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/sfc/base/efx_mcdi.c b/drivers/net/sfc/base/efx_mcdi.c index c61b943..888a47b 100644 --- a/drivers/net/sfc/base/efx_mcdi.c +++ b/drivers/net/sfc/base/efx_mcdi.c @@ -290,7 +290,8 @@ efx_mcdi_request_start( */ if ((max_version >= 2) && ((emrp->emr_cmd > MC_CMD_CMD_SPACE_ESCAPE_7) || - (emrp->emr_in_length > MCDI_CTL_SDU_LEN_MAX_V1))) { + (emrp->emr_in_length > MCDI_CTL_SDU_LEN_MAX_V1) || + (emrp->emr_out_length > MCDI_CTL_SDU_LEN_MAX_V1))) { /* Construct MCDI v2 header */ hdr_len = sizeof (hdr); EFX_POPULATE_DWORD_8(hdr[0], -- 2.7.4