From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joe Perches Subject: Re: [net-next v4 3/8] dpaa_eth: add support for S/G frames Date: Mon, 02 Nov 2015 13:03:23 -0800 Message-ID: <1446498203.24485.74.camel@perches.com> References: <1446485500-9782-1-git-send-email-madalin.bucur@freescale.com> <1446485500-9782-4-git-send-email-madalin.bucur@freescale.com> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, davem@davemloft.net, scottwood@freescale.com, igal.liberman@freescale.com, roy.pledge@freescale.com, ppc@mindchasers.com, pebolle@tiscali.nl, joakim.tjernlund@transmode.se, gregkh@linuxfoundation.org To: madalin.bucur@freescale.com Return-path: In-Reply-To: <1446485500-9782-4-git-send-email-madalin.bucur@freescale.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Mon, 2015-11-02 at 19:31 +0200, Madalin Bucur wrote: > Add support for Scater/Gather (S/G) frames. The FMan can place > the frame content into multiple buffers and provide a S/G Table > (SGT) into one first buffer with references to the others. trivia: > diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.h b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.h [] > @@ -347,7 +347,7 @@ static inline void clear_fd(struct qm_fd *fd) > } > > static inline int _dpa_tx_fq_to_id(const struct dpa_priv_s *priv, > - struct qman_fq *tx_fq) > + struct qman_fq *tx_fq) superfluous change? > +void dpa_release_sgt(struct qm_sg_entry *sgt) > +{ > + struct dpa_bp *dpa_bp; > + struct bm_buffer bmb[DPA_BUFF_RELEASE_MAX]; > + u8 i = 0, j; Using int may be better than u8 for indexing