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Date: Wed, 10 Jun 2015 06:00:17 +0000 From: Jianhua Xie <Jianhua.Xie@...escale.com> To: Madalin-Cristian Bucur <madalin.bucur@...escale.com>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org> CC: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: RE: [RFC,v3 02/10] dpaa_eth: add support for DPAA Ethernet > -----Original Message----- > From: Linuxppc-dev [mailto:linuxppc-dev- > bounces+jianhua.xie=freescale.com@...ts.ozlabs.org] On Behalf Of Madalin > Bucur > Sent: Wednesday, April 29, 2015 10:57 PM > To: netdev@...r.kernel.org; linuxppc-dev@...ts.ozlabs.org > Cc: linux-kernel@...r.kernel.org; Bucur Madalin-Cristian-B32716 > Subject: [RFC,v3 02/10] dpaa_eth: add support for DPAA Ethernet > > This introduces the Freescale Data Path Acceleration Architecture > (DPAA) Ethernet driver (dpaa_eth) that builds upon the DPAA QMan, > BMan, PAMU and FMan drivers to deliver Ethernet connectivity on > the Freescale DPAA QorIQ platforms. > Snip...... > + > + if (unlikely(dpa_xmit(priv, percpu_stats, queue_mapping, &fd) < 0)) > + goto xmit_failed; > + > + net_dev->trans_start = jiffies; It is probably better to use netdev_queue->trans_start to instead of net_dev->trans_start on SMP. Best Regards, Jianhua > + return NETDEV_TX_OK; > + > +xmit_failed: > + if (fd.cmd & FM_FD_CMD_FCO) { > + (*countptr)--; > + dpa_fd_release(net_dev, &fd); > + percpu_stats->tx_errors++; > + return NETDEV_TX_OK; > + } > + _dpa_cleanup_tx_fd(priv, &fd); > + percpu_stats->tx_errors++; > + dev_kfree_skb(skb); > + return NETDEV_TX_OK; > +} > -- > 1.7.11.7 > > _______________________________________________ > Linuxppc-dev mailing list > Linuxppc-dev@...ts.ozlabs.org > https://lists.ozlabs.org/listinfo/linuxppc-dev
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