From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: Add NAPI support to ll_temac driver Date: Tue, 19 Apr 2011 15:13:32 +0200 Message-ID: <1303218812.3480.160.camel@edumazet-laptop> References: <4DAD5753.4040108@monstr.eu> <1303209787.3480.9.camel@edumazet-laptop> <1303215925.3464.54.camel@localhost> <4DAD84B1.9020405@monstr.eu> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Ben Hutchings , netdev@vger.kernel.org To: monstr@monstr.eu Return-path: Received: from mail-wy0-f174.google.com ([74.125.82.174]:45128 "EHLO mail-wy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754899Ab1DSNNh (ORCPT ); Tue, 19 Apr 2011 09:13:37 -0400 Received: by wya21 with SMTP id 21so4791470wya.19 for ; Tue, 19 Apr 2011 06:13:36 -0700 (PDT) In-Reply-To: <4DAD84B1.9020405@monstr.eu> Sender: netdev-owner@vger.kernel.org List-ID: Le mardi 19 avril 2011 =C3=A0 14:48 +0200, Michal Simek a =C3=A9crit : > Can you please be more specific about passing the paged buffers into = GRO? > Or point me to any documentation or code which can help me to underst= and what=20 > that means. Search for napi_get_frags() : drivers/net/mlx4/en_rx.c:597: struct sk_buff *gro_skb =3D napi_get_= frags(&cq->napi); drivers/net/cxgb3/sge.c:2091: skb =3D napi_get_frags(&qs->napi); drivers/net/cxgb4/sge.c:1517: skb =3D napi_get_frags(&rxq->rspq.napi); drivers/net/qlge/qlge_main.c:1484: skb =3D napi_get_frags(napi); drivers/net/sfc/rx.c:471: skb =3D napi_get_frags(napi); drivers/net/benet/be_main.c:1039: skb =3D napi_get_frags(&eq_obj->napi)= ; drivers/net/cxgb4vf/sge.c:1479: skb =3D napi_get_frags(&rxq->rspq.napi)= ;