From mboxrd@z Thu Jan 1 00:00:00 1970 From: Giuseppe CAVALLARO Subject: Re: [PATCH RFC 1/5] net:stmmac: set threshold/store and forward mode according to mtu size. Date: Mon, 21 Oct 2013 15:49:11 +0200 Message-ID: <526530D7.1090607@st.com> References: <1381937052-8999-1-git-send-email-jimmy.perchet@parrot.com> <1381937052-8999-2-git-send-email-jimmy.perchet@parrot.com> <5264EA04.1040002@st.com> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit Cc: Jimmy Perchet , netdev To: Rayagond K Return-path: Received: from eu1sys200aog116.obsmtp.com ([207.126.144.141]:40730 "EHLO eu1sys200aog116.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752626Ab3JUNt2 (ORCPT ); Mon, 21 Oct 2013 09:49:28 -0400 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: On 10/21/2013 11:58 AM, Rayagond K wrote: > On Mon, Oct 21, 2013 at 2:17 PM, Giuseppe CAVALLARO > wrote: >> >On 10/16/2013 5:24 PM, Jimmy Perchet wrote: >>> >> >>> >>Threshold mode dma is needed on rx path if jumbo frames are expected. >> > >> > >> >I think we should not force the threshold mode depending on the mtu. > I remember SNPS HW team suggesting me to program the rx path in > Threshold mode for jumbo frames, as it takes care of low RX FIFO size. > ok. no problem to keep it as default in the stmmac. Cheers Peppe