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Date: Thu, 10 Apr 2014 16:16:39 -0700 From: Eric Dumazet <eric.dumazet@...il.com> To: Ezequiel Garcia <ezequiel.garcia@...e-electrons.com> Cc: netdev@...r.kernel.org, "David S. Miller" <davem@...emloft.net>, Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>, Gregory Clement <gregory.clement@...e-electrons.com>, Simon Guinot <simon.guinot@...uanux.org>, Willy Tarreau <w@....eu>, Tawfik Bayouk <tawfik@...vell.com>, Lior Amsalem <alior@...vell.com>, Simon Guinot <sguinot@...ie.com> Subject: Re: [PATCH 3/3] net: mvneta: Introduce a software TSO implementation On Thu, 2014-04-10 at 19:58 -0300, Ezequiel Garcia wrote: > + /* Calculate expected number of TX descriptors */ > + desc_count = skb_shinfo(skb)->gso_segs * 2 + skb_shinfo(skb)->nr_frags; > + if ((txq->count + desc_count) >= txq->size) > + return 0; > + Hmm.. have you tried to play with small MSS ? I think you should set dev->gso_max_segs to a sensible value... see commit 7e6d06f0de3f7 for details. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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