2005-04-16 22:20:36 +00:00
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/*
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2012-01-27 13:36:01 +00:00
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* drivers/net/ethernet/freescale/gianfar_ethtool.c
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2005-04-16 22:20:36 +00:00
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*
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* Gianfar Ethernet Driver
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* Ethtool support for Gianfar Enet
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* Based on e1000 ethtool support
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*
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* Author: Andy Fleming
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2005-11-14 00:06:30 +00:00
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* Maintainer: Kumar Gala
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2009-11-02 07:03:00 +00:00
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* Modifier: Sandeep Gopalpet <sandeep.kumar@freescale.com>
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2005-04-16 22:20:36 +00:00
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*
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2011-06-07 21:46:51 +00:00
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* Copyright 2003-2006, 2008-2009, 2011 Freescale Semiconductor, Inc.
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2005-04-16 22:20:36 +00:00
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*
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2006-09-13 17:24:59 +00:00
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* This software may be used and distributed according to
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* the terms of the GNU Public License, Version 2, incorporated herein
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2005-04-16 22:20:36 +00:00
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* by reference.
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*/
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2011-06-14 08:57:47 +00:00
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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2005-04-16 22:20:36 +00:00
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#include <linux/kernel.h>
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#include <linux/string.h>
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#include <linux/errno.h>
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#include <linux/interrupt.h>
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#include <linux/init.h>
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#include <linux/delay.h>
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#include <linux/netdevice.h>
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#include <linux/etherdevice.h>
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2012-04-06 04:35:34 +00:00
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#include <linux/net_tstamp.h>
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2005-04-16 22:20:36 +00:00
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#include <linux/skbuff.h>
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#include <linux/spinlock.h>
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#include <linux/mm.h>
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#include <asm/io.h>
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#include <asm/irq.h>
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#include <asm/uaccess.h>
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#include <linux/module.h>
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#include <linux/crc32.h>
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#include <asm/types.h>
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#include <linux/ethtool.h>
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2005-09-24 02:54:21 +00:00
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#include <linux/mii.h>
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#include <linux/phy.h>
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2011-06-20 20:57:59 +00:00
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#include <linux/sort.h>
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2011-07-07 11:30:29 +00:00
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#include <linux/if_vlan.h>
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2005-04-16 22:20:36 +00:00
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#include "gianfar.h"
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2005-06-20 15:54:21 +00:00
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extern void gfar_start(struct net_device *dev);
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2012-06-05 03:42:15 +00:00
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extern int gfar_clean_rx_ring(struct gfar_priv_rx_q *rx_queue,
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int rx_work_limit);
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2005-04-16 22:20:36 +00:00
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2005-09-24 02:54:21 +00:00
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#define GFAR_MAX_COAL_USECS 0xffff
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#define GFAR_MAX_COAL_FRAMES 0xff
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2005-06-20 15:54:21 +00:00
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static void gfar_fill_stats(struct net_device *dev, struct ethtool_stats *dummy,
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2012-06-05 03:42:15 +00:00
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u64 *buf);
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2005-06-20 15:54:21 +00:00
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static void gfar_gstrings(struct net_device *dev, u32 stringset, u8 * buf);
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2012-06-05 03:42:15 +00:00
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static int gfar_gcoalesce(struct net_device *dev,
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struct ethtool_coalesce *cvals);
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static int gfar_scoalesce(struct net_device *dev,
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struct ethtool_coalesce *cvals);
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static void gfar_gringparam(struct net_device *dev,
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struct ethtool_ringparam *rvals);
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static int gfar_sringparam(struct net_device *dev,
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struct ethtool_ringparam *rvals);
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static void gfar_gdrvinfo(struct net_device *dev,
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struct ethtool_drvinfo *drvinfo);
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2005-04-16 22:20:36 +00:00
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2012-01-08 18:21:57 +00:00
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static const char stat_gstrings[][ETH_GSTRING_LEN] = {
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2005-04-16 22:20:36 +00:00
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"rx-large-frame-errors",
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"rx-short-frame-errors",
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"rx-non-octet-errors",
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"rx-crc-errors",
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"rx-overrun-errors",
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"rx-busy-errors",
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"rx-babbling-errors",
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"rx-truncated-frames",
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"ethernet-bus-error",
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"tx-babbling-errors",
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"tx-underrun-errors",
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"rx-skb-missing-errors",
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"tx-timeout-errors",
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"tx-rx-64-frames",
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"tx-rx-65-127-frames",
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"tx-rx-128-255-frames",
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"tx-rx-256-511-frames",
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"tx-rx-512-1023-frames",
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"tx-rx-1024-1518-frames",
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"tx-rx-1519-1522-good-vlan",
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"rx-bytes",
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"rx-packets",
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"rx-fcs-errors",
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"receive-multicast-packet",
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"receive-broadcast-packet",
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"rx-control-frame-packets",
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"rx-pause-frame-packets",
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"rx-unknown-op-code",
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"rx-alignment-error",
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"rx-frame-length-error",
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"rx-code-error",
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"rx-carrier-sense-error",
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"rx-undersize-packets",
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"rx-oversize-packets",
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"rx-fragmented-frames",
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"rx-jabber-frames",
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"rx-dropped-frames",
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"tx-byte-counter",
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"tx-packets",
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"tx-multicast-packets",
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"tx-broadcast-packets",
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"tx-pause-control-frames",
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"tx-deferral-packets",
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"tx-excessive-deferral-packets",
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"tx-single-collision-packets",
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"tx-multiple-collision-packets",
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"tx-late-collision-packets",
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"tx-excessive-collision-packets",
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"tx-total-collision",
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"reserved",
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"tx-dropped-frames",
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"tx-jabber-frames",
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"tx-fcs-errors",
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"tx-control-frames",
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"tx-oversize-frames",
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"tx-undersize-frames",
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"tx-fragmented-frames",
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};
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2005-06-20 15:54:21 +00:00
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/* Fill in a buffer with the strings which correspond to the
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* stats */
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static void gfar_gstrings(struct net_device *dev, u32 stringset, u8 * buf)
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{
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struct gfar_private *priv = netdev_priv(dev);
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2005-11-11 18:38:59 +00:00
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2008-12-16 23:29:15 +00:00
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if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON)
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2005-06-20 15:54:21 +00:00
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memcpy(buf, stat_gstrings, GFAR_STATS_LEN * ETH_GSTRING_LEN);
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else
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memcpy(buf, stat_gstrings,
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2012-06-05 03:42:15 +00:00
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GFAR_EXTRA_STATS_LEN * ETH_GSTRING_LEN);
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2005-06-20 15:54:21 +00:00
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}
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2005-04-16 22:20:36 +00:00
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/* Fill in an array of 64-bit statistics from various sources.
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* This array will be appended to the end of the ethtool_stats
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* structure, and returned to user space
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*/
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2012-06-05 03:42:15 +00:00
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static void gfar_fill_stats(struct net_device *dev, struct ethtool_stats *dummy,
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u64 *buf)
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2005-04-16 22:20:36 +00:00
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{
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int i;
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struct gfar_private *priv = netdev_priv(dev);
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2009-11-02 07:03:34 +00:00
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struct gfar __iomem *regs = priv->gfargrp[0].regs;
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2013-02-12 20:38:19 +00:00
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atomic64_t *extra = (atomic64_t *)&priv->extra_stats;
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2005-04-16 22:20:36 +00:00
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2013-02-12 20:28:35 +00:00
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for (i = 0; i < GFAR_EXTRA_STATS_LEN; i++)
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2013-02-12 20:38:19 +00:00
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buf[i] = atomic64_read(&extra[i]);
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2013-02-12 20:28:35 +00:00
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2008-12-16 23:29:15 +00:00
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if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON) {
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2009-11-02 07:03:09 +00:00
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u32 __iomem *rmon = (u32 __iomem *) ®s->rmon;
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2005-04-16 22:20:36 +00:00
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2013-02-12 20:28:35 +00:00
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for (; i < GFAR_STATS_LEN; i++, rmon++)
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buf[i] = (u64) gfar_read(rmon);
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}
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2005-04-16 22:20:36 +00:00
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}
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2007-10-04 01:07:32 +00:00
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static int gfar_sset_count(struct net_device *dev, int sset)
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2005-04-16 22:20:36 +00:00
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{
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struct gfar_private *priv = netdev_priv(dev);
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2007-10-04 01:07:32 +00:00
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switch (sset) {
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case ETH_SS_STATS:
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2008-12-16 23:29:15 +00:00
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if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON)
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2007-10-04 01:07:32 +00:00
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return GFAR_STATS_LEN;
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else
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return GFAR_EXTRA_STATS_LEN;
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default:
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return -EOPNOTSUPP;
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}
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2005-04-16 22:20:36 +00:00
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}
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/* Fills in the drvinfo structure with some basic info */
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2012-06-05 03:42:15 +00:00
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static void gfar_gdrvinfo(struct net_device *dev,
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struct ethtool_drvinfo *drvinfo)
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2005-04-16 22:20:36 +00:00
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{
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2013-01-06 00:44:26 +00:00
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strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
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strlcpy(drvinfo->version, gfar_driver_version,
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sizeof(drvinfo->version));
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strlcpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version));
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strlcpy(drvinfo->bus_info, "N/A", sizeof(drvinfo->bus_info));
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2005-04-16 22:20:36 +00:00
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drvinfo->regdump_len = 0;
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drvinfo->eedump_len = 0;
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}
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2005-09-24 02:54:21 +00:00
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static int gfar_ssettings(struct net_device *dev, struct ethtool_cmd *cmd)
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{
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struct gfar_private *priv = netdev_priv(dev);
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struct phy_device *phydev = priv->phydev;
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if (NULL == phydev)
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return -ENODEV;
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return phy_ethtool_sset(phydev, cmd);
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}
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2005-04-16 22:20:36 +00:00
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/* Return the current settings in the ethtool_cmd structure */
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2005-06-20 15:54:21 +00:00
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static int gfar_gsettings(struct net_device *dev, struct ethtool_cmd *cmd)
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2005-04-16 22:20:36 +00:00
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{
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struct gfar_private *priv = netdev_priv(dev);
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2005-09-24 02:54:21 +00:00
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struct phy_device *phydev = priv->phydev;
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2009-11-02 07:03:00 +00:00
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struct gfar_priv_rx_q *rx_queue = NULL;
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struct gfar_priv_tx_q *tx_queue = NULL;
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2005-09-24 02:54:21 +00:00
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if (NULL == phydev)
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return -ENODEV;
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2009-11-02 07:03:15 +00:00
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tx_queue = priv->tx_queue[0];
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rx_queue = priv->rx_queue[0];
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2006-09-13 17:24:59 +00:00
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2009-11-02 07:03:15 +00:00
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/* etsec-1.7 and older versions have only one txic
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* and rxic regs although they support multiple queues */
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2009-11-02 07:03:00 +00:00
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cmd->maxtxpkt = get_icft_value(tx_queue->txic);
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cmd->maxrxpkt = get_icft_value(rx_queue->rxic);
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2005-04-16 22:20:36 +00:00
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2005-09-24 02:54:21 +00:00
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return phy_ethtool_gset(phydev, cmd);
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2005-04-16 22:20:36 +00:00
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}
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/* Return the length of the register structure */
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2005-06-20 15:54:21 +00:00
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static int gfar_reglen(struct net_device *dev)
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2005-04-16 22:20:36 +00:00
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{
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return sizeof (struct gfar);
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}
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/* Return a dump of the GFAR register space */
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2012-06-05 03:42:15 +00:00
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static void gfar_get_regs(struct net_device *dev, struct ethtool_regs *regs,
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void *regbuf)
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2005-04-16 22:20:36 +00:00
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{
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int i;
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struct gfar_private *priv = netdev_priv(dev);
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2009-11-02 07:03:34 +00:00
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u32 __iomem *theregs = (u32 __iomem *) priv->gfargrp[0].regs;
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2005-04-16 22:20:36 +00:00
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u32 *buf = (u32 *) regbuf;
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for (i = 0; i < sizeof (struct gfar) / sizeof (u32); i++)
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2006-02-01 21:18:03 +00:00
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buf[i] = gfar_read(&theregs[i]);
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2005-04-16 22:20:36 +00:00
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}
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/* Convert microseconds to ethernet clock ticks, which changes
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* depending on what speed the controller is running at */
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2012-06-05 03:42:15 +00:00
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static unsigned int gfar_usecs2ticks(struct gfar_private *priv,
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unsigned int usecs)
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2005-04-16 22:20:36 +00:00
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{
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unsigned int count;
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/* The timer is different, depending on the interface speed */
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2005-09-24 02:54:21 +00:00
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switch (priv->phydev->speed) {
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case SPEED_1000:
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2005-04-16 22:20:36 +00:00
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count = GFAR_GBIT_TIME;
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break;
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2005-09-24 02:54:21 +00:00
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case SPEED_100:
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2005-04-16 22:20:36 +00:00
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count = GFAR_100_TIME;
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break;
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2005-09-24 02:54:21 +00:00
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case SPEED_10:
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2005-04-16 22:20:36 +00:00
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default:
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count = GFAR_10_TIME;
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break;
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}
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/* Make sure we return a number greater than 0
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* if usecs > 0 */
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2010-09-23 05:40:09 +00:00
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return (usecs * 1000 + count - 1) / count;
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2005-04-16 22:20:36 +00:00
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}
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/* Convert ethernet clock ticks to microseconds */
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2012-06-05 03:42:15 +00:00
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static unsigned int gfar_ticks2usecs(struct gfar_private *priv,
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unsigned int ticks)
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2005-04-16 22:20:36 +00:00
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{
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unsigned int count;
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/* The timer is different, depending on the interface speed */
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2005-09-24 02:54:21 +00:00
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switch (priv->phydev->speed) {
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case SPEED_1000:
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2005-04-16 22:20:36 +00:00
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count = GFAR_GBIT_TIME;
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break;
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2005-09-24 02:54:21 +00:00
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case SPEED_100:
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2005-04-16 22:20:36 +00:00
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count = GFAR_100_TIME;
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break;
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2005-09-24 02:54:21 +00:00
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case SPEED_10:
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2005-04-16 22:20:36 +00:00
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default:
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count = GFAR_10_TIME;
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break;
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}
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/* Make sure we return a number greater than 0 */
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|
/* if ticks is > 0 */
|
2010-09-23 05:40:09 +00:00
|
|
|
return (ticks * count) / 1000;
|
2005-04-16 22:20:36 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Get the coalescing parameters, and put them in the cvals
|
|
|
|
* structure. */
|
2012-06-05 03:42:15 +00:00
|
|
|
static int gfar_gcoalesce(struct net_device *dev,
|
|
|
|
struct ethtool_coalesce *cvals)
|
2005-04-16 22:20:36 +00:00
|
|
|
{
|
|
|
|
struct gfar_private *priv = netdev_priv(dev);
|
2009-11-02 07:03:00 +00:00
|
|
|
struct gfar_priv_rx_q *rx_queue = NULL;
|
|
|
|
struct gfar_priv_tx_q *tx_queue = NULL;
|
2008-12-16 23:29:52 +00:00
|
|
|
unsigned long rxtime;
|
|
|
|
unsigned long rxcount;
|
|
|
|
unsigned long txtime;
|
|
|
|
unsigned long txcount;
|
2006-09-13 17:24:59 +00:00
|
|
|
|
2008-12-16 23:29:15 +00:00
|
|
|
if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE))
|
2005-06-20 15:54:21 +00:00
|
|
|
return -EOPNOTSUPP;
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2005-09-24 02:54:21 +00:00
|
|
|
if (NULL == priv->phydev)
|
|
|
|
return -ENODEV;
|
|
|
|
|
2009-11-02 07:03:15 +00:00
|
|
|
rx_queue = priv->rx_queue[0];
|
|
|
|
tx_queue = priv->tx_queue[0];
|
2009-11-02 07:03:00 +00:00
|
|
|
|
|
|
|
rxtime = get_ictt_value(rx_queue->rxic);
|
|
|
|
rxcount = get_icft_value(rx_queue->rxic);
|
|
|
|
txtime = get_ictt_value(tx_queue->txic);
|
|
|
|
txcount = get_icft_value(tx_queue->txic);
|
2008-12-16 23:29:52 +00:00
|
|
|
cvals->rx_coalesce_usecs = gfar_ticks2usecs(priv, rxtime);
|
|
|
|
cvals->rx_max_coalesced_frames = rxcount;
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2008-12-16 23:29:52 +00:00
|
|
|
cvals->tx_coalesce_usecs = gfar_ticks2usecs(priv, txtime);
|
|
|
|
cvals->tx_max_coalesced_frames = txcount;
|
2005-04-16 22:20:36 +00:00
|
|
|
|
|
|
|
cvals->use_adaptive_rx_coalesce = 0;
|
|
|
|
cvals->use_adaptive_tx_coalesce = 0;
|
|
|
|
|
|
|
|
cvals->pkt_rate_low = 0;
|
|
|
|
cvals->rx_coalesce_usecs_low = 0;
|
|
|
|
cvals->rx_max_coalesced_frames_low = 0;
|
|
|
|
cvals->tx_coalesce_usecs_low = 0;
|
|
|
|
cvals->tx_max_coalesced_frames_low = 0;
|
|
|
|
|
|
|
|
/* When the packet rate is below pkt_rate_high but above
|
|
|
|
* pkt_rate_low (both measured in packets per second) the
|
|
|
|
* normal {rx,tx}_* coalescing parameters are used.
|
|
|
|
*/
|
|
|
|
|
|
|
|
/* When the packet rate is (measured in packets per second)
|
|
|
|
* is above pkt_rate_high, the {rx,tx}_*_high parameters are
|
|
|
|
* used.
|
|
|
|
*/
|
|
|
|
cvals->pkt_rate_high = 0;
|
|
|
|
cvals->rx_coalesce_usecs_high = 0;
|
|
|
|
cvals->rx_max_coalesced_frames_high = 0;
|
|
|
|
cvals->tx_coalesce_usecs_high = 0;
|
|
|
|
cvals->tx_max_coalesced_frames_high = 0;
|
|
|
|
|
|
|
|
/* How often to do adaptive coalescing packet rate sampling,
|
|
|
|
* measured in seconds. Must not be zero.
|
|
|
|
*/
|
|
|
|
cvals->rate_sample_interval = 0;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Change the coalescing values.
|
|
|
|
* Both cvals->*_usecs and cvals->*_frames have to be > 0
|
|
|
|
* in order for coalescing to be active
|
|
|
|
*/
|
2012-06-05 03:42:15 +00:00
|
|
|
static int gfar_scoalesce(struct net_device *dev,
|
|
|
|
struct ethtool_coalesce *cvals)
|
2005-04-16 22:20:36 +00:00
|
|
|
{
|
|
|
|
struct gfar_private *priv = netdev_priv(dev);
|
2009-11-02 07:03:34 +00:00
|
|
|
int i = 0;
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2008-12-16 23:29:15 +00:00
|
|
|
if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE))
|
2005-06-20 15:54:21 +00:00
|
|
|
return -EOPNOTSUPP;
|
|
|
|
|
2005-04-16 22:20:36 +00:00
|
|
|
/* Set up rx coalescing */
|
2009-11-02 07:03:34 +00:00
|
|
|
/* As of now, we will enable/disable coalescing for all
|
|
|
|
* queues together in case of eTSEC2, this will be modified
|
2012-06-05 03:42:15 +00:00
|
|
|
* along with the ethtool interface
|
|
|
|
*/
|
2005-04-16 22:20:36 +00:00
|
|
|
if ((cvals->rx_coalesce_usecs == 0) ||
|
2009-11-02 07:03:34 +00:00
|
|
|
(cvals->rx_max_coalesced_frames == 0)) {
|
|
|
|
for (i = 0; i < priv->num_rx_queues; i++)
|
|
|
|
priv->rx_queue[i]->rxcoalescing = 0;
|
|
|
|
} else {
|
|
|
|
for (i = 0; i < priv->num_rx_queues; i++)
|
|
|
|
priv->rx_queue[i]->rxcoalescing = 1;
|
|
|
|
}
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2005-09-24 02:54:21 +00:00
|
|
|
if (NULL == priv->phydev)
|
|
|
|
return -ENODEV;
|
|
|
|
|
|
|
|
/* Check the bounds of the values */
|
|
|
|
if (cvals->rx_coalesce_usecs > GFAR_MAX_COAL_USECS) {
|
|
|
|
pr_info("Coalescing is limited to %d microseconds\n",
|
2011-06-14 08:57:47 +00:00
|
|
|
GFAR_MAX_COAL_USECS);
|
2005-09-24 02:54:21 +00:00
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (cvals->rx_max_coalesced_frames > GFAR_MAX_COAL_FRAMES) {
|
|
|
|
pr_info("Coalescing is limited to %d frames\n",
|
2011-06-14 08:57:47 +00:00
|
|
|
GFAR_MAX_COAL_FRAMES);
|
2005-09-24 02:54:21 +00:00
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
2009-11-02 07:03:34 +00:00
|
|
|
for (i = 0; i < priv->num_rx_queues; i++) {
|
|
|
|
priv->rx_queue[i]->rxic = mk_ic_value(
|
|
|
|
cvals->rx_max_coalesced_frames,
|
|
|
|
gfar_usecs2ticks(priv, cvals->rx_coalesce_usecs));
|
|
|
|
}
|
2005-04-16 22:20:36 +00:00
|
|
|
|
|
|
|
/* Set up tx coalescing */
|
|
|
|
if ((cvals->tx_coalesce_usecs == 0) ||
|
2009-11-02 07:03:34 +00:00
|
|
|
(cvals->tx_max_coalesced_frames == 0)) {
|
|
|
|
for (i = 0; i < priv->num_tx_queues; i++)
|
|
|
|
priv->tx_queue[i]->txcoalescing = 0;
|
|
|
|
} else {
|
|
|
|
for (i = 0; i < priv->num_tx_queues; i++)
|
|
|
|
priv->tx_queue[i]->txcoalescing = 1;
|
|
|
|
}
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2005-09-24 02:54:21 +00:00
|
|
|
/* Check the bounds of the values */
|
|
|
|
if (cvals->tx_coalesce_usecs > GFAR_MAX_COAL_USECS) {
|
|
|
|
pr_info("Coalescing is limited to %d microseconds\n",
|
2011-06-14 08:57:47 +00:00
|
|
|
GFAR_MAX_COAL_USECS);
|
2005-09-24 02:54:21 +00:00
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (cvals->tx_max_coalesced_frames > GFAR_MAX_COAL_FRAMES) {
|
|
|
|
pr_info("Coalescing is limited to %d frames\n",
|
2011-06-14 08:57:47 +00:00
|
|
|
GFAR_MAX_COAL_FRAMES);
|
2005-09-24 02:54:21 +00:00
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
2009-11-02 07:03:34 +00:00
|
|
|
for (i = 0; i < priv->num_tx_queues; i++) {
|
|
|
|
priv->tx_queue[i]->txic = mk_ic_value(
|
|
|
|
cvals->tx_max_coalesced_frames,
|
|
|
|
gfar_usecs2ticks(priv, cvals->tx_coalesce_usecs));
|
|
|
|
}
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2013-03-19 07:40:05 +00:00
|
|
|
gfar_configure_coalescing_all(priv);
|
2005-04-16 22:20:36 +00:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Fills in rvals with the current ring parameters. Currently,
|
|
|
|
* rx, rx_mini, and rx_jumbo rings are the same size, as mini and
|
|
|
|
* jumbo are ignored by the driver */
|
2012-06-05 03:42:15 +00:00
|
|
|
static void gfar_gringparam(struct net_device *dev,
|
|
|
|
struct ethtool_ringparam *rvals)
|
2005-04-16 22:20:36 +00:00
|
|
|
{
|
|
|
|
struct gfar_private *priv = netdev_priv(dev);
|
2009-11-02 07:03:00 +00:00
|
|
|
struct gfar_priv_tx_q *tx_queue = NULL;
|
|
|
|
struct gfar_priv_rx_q *rx_queue = NULL;
|
|
|
|
|
2009-11-02 07:03:15 +00:00
|
|
|
tx_queue = priv->tx_queue[0];
|
|
|
|
rx_queue = priv->rx_queue[0];
|
2005-04-16 22:20:36 +00:00
|
|
|
|
|
|
|
rvals->rx_max_pending = GFAR_RX_MAX_RING_SIZE;
|
|
|
|
rvals->rx_mini_max_pending = GFAR_RX_MAX_RING_SIZE;
|
|
|
|
rvals->rx_jumbo_max_pending = GFAR_RX_MAX_RING_SIZE;
|
|
|
|
rvals->tx_max_pending = GFAR_TX_MAX_RING_SIZE;
|
|
|
|
|
|
|
|
/* Values changeable by the user. The valid values are
|
|
|
|
* in the range 1 to the "*_max_pending" counterpart above.
|
|
|
|
*/
|
2009-11-02 07:03:00 +00:00
|
|
|
rvals->rx_pending = rx_queue->rx_ring_size;
|
|
|
|
rvals->rx_mini_pending = rx_queue->rx_ring_size;
|
|
|
|
rvals->rx_jumbo_pending = rx_queue->rx_ring_size;
|
|
|
|
rvals->tx_pending = tx_queue->tx_ring_size;
|
2005-04-16 22:20:36 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Change the current ring parameters, stopping the controller if
|
|
|
|
* necessary so that we don't mess things up while we're in
|
|
|
|
* motion. We wait for the ring to be clean before reallocating
|
2012-06-05 03:42:15 +00:00
|
|
|
* the rings.
|
|
|
|
*/
|
|
|
|
static int gfar_sringparam(struct net_device *dev,
|
|
|
|
struct ethtool_ringparam *rvals)
|
2005-04-16 22:20:36 +00:00
|
|
|
{
|
|
|
|
struct gfar_private *priv = netdev_priv(dev);
|
2009-11-02 07:03:15 +00:00
|
|
|
int err = 0, i = 0;
|
2005-04-16 22:20:36 +00:00
|
|
|
|
|
|
|
if (rvals->rx_pending > GFAR_RX_MAX_RING_SIZE)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
if (!is_power_of_2(rvals->rx_pending)) {
|
2011-06-14 08:57:47 +00:00
|
|
|
netdev_err(dev, "Ring sizes must be a power of 2\n");
|
2005-04-16 22:20:36 +00:00
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (rvals->tx_pending > GFAR_TX_MAX_RING_SIZE)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
if (!is_power_of_2(rvals->tx_pending)) {
|
2011-06-14 08:57:47 +00:00
|
|
|
netdev_err(dev, "Ring sizes must be a power of 2\n");
|
2005-04-16 22:20:36 +00:00
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
2009-11-02 07:03:00 +00:00
|
|
|
|
2005-06-20 15:54:21 +00:00
|
|
|
if (dev->flags & IFF_UP) {
|
|
|
|
unsigned long flags;
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2005-06-20 15:54:21 +00:00
|
|
|
/* Halt TX and RX, and process the frames which
|
2012-06-05 03:42:15 +00:00
|
|
|
* have already been received
|
|
|
|
*/
|
2009-11-02 07:03:15 +00:00
|
|
|
local_irq_save(flags);
|
|
|
|
lock_tx_qs(priv);
|
|
|
|
lock_rx_qs(priv);
|
2006-04-20 21:44:29 +00:00
|
|
|
|
2005-06-20 15:54:21 +00:00
|
|
|
gfar_halt(dev);
|
2006-04-20 21:44:29 +00:00
|
|
|
|
2009-11-02 07:03:15 +00:00
|
|
|
unlock_rx_qs(priv);
|
|
|
|
unlock_tx_qs(priv);
|
|
|
|
local_irq_restore(flags);
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2009-11-02 07:03:15 +00:00
|
|
|
for (i = 0; i < priv->num_rx_queues; i++)
|
|
|
|
gfar_clean_rx_ring(priv->rx_queue[i],
|
2012-06-05 03:42:15 +00:00
|
|
|
priv->rx_queue[i]->rx_ring_size);
|
2008-12-16 23:30:20 +00:00
|
|
|
|
2005-06-20 15:54:21 +00:00
|
|
|
/* Now we take down the rings to rebuild them */
|
|
|
|
stop_gfar(dev);
|
|
|
|
}
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2005-06-20 15:54:21 +00:00
|
|
|
/* Change the size */
|
2009-11-02 07:03:15 +00:00
|
|
|
for (i = 0; i < priv->num_rx_queues; i++) {
|
|
|
|
priv->rx_queue[i]->rx_ring_size = rvals->rx_pending;
|
|
|
|
priv->tx_queue[i]->tx_ring_size = rvals->tx_pending;
|
2012-06-05 03:42:15 +00:00
|
|
|
priv->tx_queue[i]->num_txbdfree =
|
|
|
|
priv->tx_queue[i]->tx_ring_size;
|
2009-11-02 07:03:15 +00:00
|
|
|
}
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2005-06-20 15:54:21 +00:00
|
|
|
/* Rebuild the rings with the new size */
|
2008-12-16 23:30:20 +00:00
|
|
|
if (dev->flags & IFF_UP) {
|
2005-06-20 15:54:21 +00:00
|
|
|
err = startup_gfar(dev);
|
2009-11-02 07:03:15 +00:00
|
|
|
netif_tx_wake_all_queues(dev);
|
2008-12-16 23:30:20 +00:00
|
|
|
}
|
2005-06-20 15:54:21 +00:00
|
|
|
return err;
|
|
|
|
}
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2011-11-15 15:29:55 +00:00
|
|
|
int gfar_set_features(struct net_device *dev, netdev_features_t features)
|
2005-06-20 15:54:21 +00:00
|
|
|
{
|
|
|
|
struct gfar_private *priv = netdev_priv(dev);
|
2008-07-11 23:04:45 +00:00
|
|
|
unsigned long flags;
|
2009-11-02 07:03:15 +00:00
|
|
|
int err = 0, i = 0;
|
2011-11-15 15:29:55 +00:00
|
|
|
netdev_features_t changed = dev->features ^ features;
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2011-07-20 04:54:19 +00:00
|
|
|
if (changed & (NETIF_F_HW_VLAN_TX|NETIF_F_HW_VLAN_RX))
|
|
|
|
gfar_vlan_mode(dev, features);
|
|
|
|
|
2011-04-15 04:50:50 +00:00
|
|
|
if (!(changed & NETIF_F_RXCSUM))
|
|
|
|
return 0;
|
2009-11-02 07:03:00 +00:00
|
|
|
|
2005-06-20 15:54:21 +00:00
|
|
|
if (dev->flags & IFF_UP) {
|
|
|
|
/* Halt TX and RX, and process the frames which
|
2012-06-05 03:42:15 +00:00
|
|
|
* have already been received
|
|
|
|
*/
|
2009-11-02 07:03:15 +00:00
|
|
|
local_irq_save(flags);
|
|
|
|
lock_tx_qs(priv);
|
|
|
|
lock_rx_qs(priv);
|
2006-04-20 21:44:29 +00:00
|
|
|
|
2005-06-20 15:54:21 +00:00
|
|
|
gfar_halt(dev);
|
2006-04-20 21:44:29 +00:00
|
|
|
|
2009-11-02 07:03:15 +00:00
|
|
|
unlock_tx_qs(priv);
|
|
|
|
unlock_rx_qs(priv);
|
2010-10-13 09:19:55 +00:00
|
|
|
local_irq_restore(flags);
|
2005-06-20 15:54:21 +00:00
|
|
|
|
2009-11-02 07:03:15 +00:00
|
|
|
for (i = 0; i < priv->num_rx_queues; i++)
|
|
|
|
gfar_clean_rx_ring(priv->rx_queue[i],
|
2012-06-05 03:42:15 +00:00
|
|
|
priv->rx_queue[i]->rx_ring_size);
|
2008-12-16 23:30:20 +00:00
|
|
|
|
2005-06-20 15:54:21 +00:00
|
|
|
/* Now we take down the rings to rebuild them */
|
2005-04-16 22:20:36 +00:00
|
|
|
stop_gfar(dev);
|
|
|
|
|
2011-04-15 04:50:50 +00:00
|
|
|
dev->features = features;
|
2005-04-16 22:20:36 +00:00
|
|
|
|
|
|
|
err = startup_gfar(dev);
|
2009-11-02 07:03:15 +00:00
|
|
|
netif_tx_wake_all_queues(dev);
|
2008-12-16 23:30:20 +00:00
|
|
|
}
|
2005-04-16 22:20:36 +00:00
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
2005-06-20 15:54:21 +00:00
|
|
|
static uint32_t gfar_get_msglevel(struct net_device *dev)
|
2006-09-13 17:24:59 +00:00
|
|
|
{
|
2005-06-20 15:54:21 +00:00
|
|
|
struct gfar_private *priv = netdev_priv(dev);
|
2012-06-05 03:42:15 +00:00
|
|
|
|
2005-06-20 15:54:21 +00:00
|
|
|
return priv->msg_enable;
|
2006-09-13 17:24:59 +00:00
|
|
|
}
|
|
|
|
|
2005-06-20 15:54:21 +00:00
|
|
|
static void gfar_set_msglevel(struct net_device *dev, uint32_t data)
|
2006-09-13 17:24:59 +00:00
|
|
|
{
|
2005-06-20 15:54:21 +00:00
|
|
|
struct gfar_private *priv = netdev_priv(dev);
|
2012-06-05 03:42:15 +00:00
|
|
|
|
2005-06-20 15:54:21 +00:00
|
|
|
priv->msg_enable = data;
|
|
|
|
}
|
|
|
|
|
2008-07-11 23:04:45 +00:00
|
|
|
#ifdef CONFIG_PM
|
|
|
|
static void gfar_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
|
|
|
|
{
|
|
|
|
struct gfar_private *priv = netdev_priv(dev);
|
|
|
|
|
2008-12-16 23:29:15 +00:00
|
|
|
if (priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET) {
|
2008-07-11 23:04:45 +00:00
|
|
|
wol->supported = WAKE_MAGIC;
|
|
|
|
wol->wolopts = priv->wol_en ? WAKE_MAGIC : 0;
|
|
|
|
} else {
|
|
|
|
wol->supported = wol->wolopts = 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gfar_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
|
|
|
|
{
|
|
|
|
struct gfar_private *priv = netdev_priv(dev);
|
|
|
|
unsigned long flags;
|
|
|
|
|
2008-12-16 23:29:15 +00:00
|
|
|
if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET) &&
|
2008-07-11 23:04:45 +00:00
|
|
|
wol->wolopts != 0)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
if (wol->wolopts & ~WAKE_MAGIC)
|
|
|
|
return -EINVAL;
|
|
|
|
|
2010-11-09 11:54:19 +00:00
|
|
|
device_set_wakeup_enable(&dev->dev, wol->wolopts & WAKE_MAGIC);
|
|
|
|
|
2008-07-11 23:04:45 +00:00
|
|
|
spin_lock_irqsave(&priv->bflock, flags);
|
2010-11-09 11:54:19 +00:00
|
|
|
priv->wol_en = !!device_may_wakeup(&dev->dev);
|
2008-07-11 23:04:45 +00:00
|
|
|
spin_unlock_irqrestore(&priv->bflock, flags);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
#endif
|
2005-06-20 15:54:21 +00:00
|
|
|
|
2009-11-02 07:03:40 +00:00
|
|
|
static void ethflow_to_filer_rules (struct gfar_private *priv, u64 ethflow)
|
|
|
|
{
|
|
|
|
u32 fcr = 0x0, fpr = FPR_FILER_MASK;
|
|
|
|
|
|
|
|
if (ethflow & RXH_L2DA) {
|
|
|
|
fcr = RQFCR_PID_DAH |RQFCR_CMP_NOMATCH |
|
2012-06-05 03:42:15 +00:00
|
|
|
RQFCR_HASH | RQFCR_AND | RQFCR_HASHTBL_0;
|
2011-06-07 21:46:51 +00:00
|
|
|
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
|
|
|
|
priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
|
2009-11-02 07:03:40 +00:00
|
|
|
gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
|
|
|
|
priv->cur_filer_idx = priv->cur_filer_idx - 1;
|
|
|
|
|
|
|
|
fcr = RQFCR_PID_DAL | RQFCR_AND | RQFCR_CMP_NOMATCH |
|
2012-06-05 03:42:15 +00:00
|
|
|
RQFCR_HASH | RQFCR_AND | RQFCR_HASHTBL_0;
|
2011-06-07 21:46:51 +00:00
|
|
|
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
|
|
|
|
priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
|
2009-11-02 07:03:40 +00:00
|
|
|
gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
|
|
|
|
priv->cur_filer_idx = priv->cur_filer_idx - 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ethflow & RXH_VLAN) {
|
|
|
|
fcr = RQFCR_PID_VID | RQFCR_CMP_NOMATCH | RQFCR_HASH |
|
2012-06-05 03:42:15 +00:00
|
|
|
RQFCR_AND | RQFCR_HASHTBL_0;
|
2009-11-02 07:03:40 +00:00
|
|
|
gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
|
2011-06-07 21:46:51 +00:00
|
|
|
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
|
|
|
|
priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
|
2009-11-02 07:03:40 +00:00
|
|
|
priv->cur_filer_idx = priv->cur_filer_idx - 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ethflow & RXH_IP_SRC) {
|
|
|
|
fcr = RQFCR_PID_SIA | RQFCR_CMP_NOMATCH | RQFCR_HASH |
|
2012-06-05 03:42:15 +00:00
|
|
|
RQFCR_AND | RQFCR_HASHTBL_0;
|
2011-06-07 21:46:51 +00:00
|
|
|
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
|
|
|
|
priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
|
2009-11-02 07:03:40 +00:00
|
|
|
gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
|
|
|
|
priv->cur_filer_idx = priv->cur_filer_idx - 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ethflow & (RXH_IP_DST)) {
|
|
|
|
fcr = RQFCR_PID_DIA | RQFCR_CMP_NOMATCH | RQFCR_HASH |
|
2012-06-05 03:42:15 +00:00
|
|
|
RQFCR_AND | RQFCR_HASHTBL_0;
|
2011-06-07 21:46:51 +00:00
|
|
|
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
|
|
|
|
priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
|
2009-11-02 07:03:40 +00:00
|
|
|
gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
|
|
|
|
priv->cur_filer_idx = priv->cur_filer_idx - 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ethflow & RXH_L3_PROTO) {
|
|
|
|
fcr = RQFCR_PID_L4P | RQFCR_CMP_NOMATCH | RQFCR_HASH |
|
2012-06-05 03:42:15 +00:00
|
|
|
RQFCR_AND | RQFCR_HASHTBL_0;
|
2011-06-07 21:46:51 +00:00
|
|
|
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
|
|
|
|
priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
|
2009-11-02 07:03:40 +00:00
|
|
|
gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
|
|
|
|
priv->cur_filer_idx = priv->cur_filer_idx - 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ethflow & RXH_L4_B_0_1) {
|
|
|
|
fcr = RQFCR_PID_SPT | RQFCR_CMP_NOMATCH | RQFCR_HASH |
|
2012-06-05 03:42:15 +00:00
|
|
|
RQFCR_AND | RQFCR_HASHTBL_0;
|
2011-06-07 21:46:51 +00:00
|
|
|
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
|
|
|
|
priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
|
2009-11-02 07:03:40 +00:00
|
|
|
gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
|
|
|
|
priv->cur_filer_idx = priv->cur_filer_idx - 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ethflow & RXH_L4_B_2_3) {
|
|
|
|
fcr = RQFCR_PID_DPT | RQFCR_CMP_NOMATCH | RQFCR_HASH |
|
2012-06-05 03:42:15 +00:00
|
|
|
RQFCR_AND | RQFCR_HASHTBL_0;
|
2011-06-07 21:46:51 +00:00
|
|
|
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
|
|
|
|
priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
|
2009-11-02 07:03:40 +00:00
|
|
|
gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
|
|
|
|
priv->cur_filer_idx = priv->cur_filer_idx - 1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-06-05 03:42:15 +00:00
|
|
|
static int gfar_ethflow_to_filer_table(struct gfar_private *priv, u64 ethflow,
|
|
|
|
u64 class)
|
2009-11-02 07:03:40 +00:00
|
|
|
{
|
|
|
|
unsigned int last_rule_idx = priv->cur_filer_idx;
|
|
|
|
unsigned int cmp_rqfpr;
|
2011-08-11 17:07:25 +00:00
|
|
|
unsigned int *local_rqfpr;
|
|
|
|
unsigned int *local_rqfcr;
|
2009-11-02 07:03:40 +00:00
|
|
|
int i = 0x0, k = 0x0;
|
|
|
|
int j = MAX_FILER_IDX, l = 0x0;
|
2011-08-11 17:07:25 +00:00
|
|
|
int ret = 1;
|
|
|
|
|
2013-02-03 17:43:58 +00:00
|
|
|
local_rqfpr = kmalloc_array(MAX_FILER_IDX + 1, sizeof(unsigned int),
|
|
|
|
GFP_KERNEL);
|
|
|
|
local_rqfcr = kmalloc_array(MAX_FILER_IDX + 1, sizeof(unsigned int),
|
|
|
|
GFP_KERNEL);
|
2011-08-11 17:07:25 +00:00
|
|
|
if (!local_rqfpr || !local_rqfcr) {
|
|
|
|
ret = 0;
|
|
|
|
goto err;
|
|
|
|
}
|
2009-11-02 07:03:40 +00:00
|
|
|
|
|
|
|
switch (class) {
|
|
|
|
case TCP_V4_FLOW:
|
|
|
|
cmp_rqfpr = RQFPR_IPV4 |RQFPR_TCP;
|
|
|
|
break;
|
|
|
|
case UDP_V4_FLOW:
|
|
|
|
cmp_rqfpr = RQFPR_IPV4 |RQFPR_UDP;
|
|
|
|
break;
|
|
|
|
case TCP_V6_FLOW:
|
|
|
|
cmp_rqfpr = RQFPR_IPV6 |RQFPR_TCP;
|
|
|
|
break;
|
|
|
|
case UDP_V6_FLOW:
|
|
|
|
cmp_rqfpr = RQFPR_IPV6 |RQFPR_UDP;
|
|
|
|
break;
|
|
|
|
default:
|
2011-06-14 08:57:47 +00:00
|
|
|
pr_err("Right now this class is not supported\n");
|
2011-08-11 17:07:25 +00:00
|
|
|
ret = 0;
|
|
|
|
goto err;
|
2009-11-02 07:03:40 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
for (i = 0; i < MAX_FILER_IDX + 1; i++) {
|
2011-06-07 21:46:51 +00:00
|
|
|
local_rqfpr[j] = priv->ftp_rqfpr[i];
|
|
|
|
local_rqfcr[j] = priv->ftp_rqfcr[i];
|
2009-11-02 07:03:40 +00:00
|
|
|
j--;
|
2012-06-05 03:42:15 +00:00
|
|
|
if ((priv->ftp_rqfcr[i] ==
|
|
|
|
(RQFCR_PID_PARSE | RQFCR_CLE | RQFCR_AND)) &&
|
|
|
|
(priv->ftp_rqfpr[i] == cmp_rqfpr))
|
2009-11-02 07:03:40 +00:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (i == MAX_FILER_IDX + 1) {
|
2011-06-14 08:57:47 +00:00
|
|
|
pr_err("No parse rule found, can't create hash rules\n");
|
2011-08-11 17:07:25 +00:00
|
|
|
ret = 0;
|
|
|
|
goto err;
|
2009-11-02 07:03:40 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* If a match was found, then it begins the starting of a cluster rule
|
|
|
|
* if it was already programmed, we need to overwrite these rules
|
|
|
|
*/
|
|
|
|
for (l = i+1; l < MAX_FILER_IDX; l++) {
|
2011-06-07 21:46:51 +00:00
|
|
|
if ((priv->ftp_rqfcr[l] & RQFCR_CLE) &&
|
2012-06-05 03:42:15 +00:00
|
|
|
!(priv->ftp_rqfcr[l] & RQFCR_AND)) {
|
2011-06-07 21:46:51 +00:00
|
|
|
priv->ftp_rqfcr[l] = RQFCR_CLE | RQFCR_CMP_EXACT |
|
2012-06-05 03:42:15 +00:00
|
|
|
RQFCR_HASHTBL_0 | RQFCR_PID_MASK;
|
2011-06-07 21:46:51 +00:00
|
|
|
priv->ftp_rqfpr[l] = FPR_FILER_MASK;
|
|
|
|
gfar_write_filer(priv, l, priv->ftp_rqfcr[l],
|
2012-06-05 03:42:15 +00:00
|
|
|
priv->ftp_rqfpr[l]);
|
2009-11-02 07:03:40 +00:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2011-06-07 21:46:51 +00:00
|
|
|
if (!(priv->ftp_rqfcr[l] & RQFCR_CLE) &&
|
|
|
|
(priv->ftp_rqfcr[l] & RQFCR_AND))
|
2009-11-02 07:03:40 +00:00
|
|
|
continue;
|
|
|
|
else {
|
2011-06-07 21:46:51 +00:00
|
|
|
local_rqfpr[j] = priv->ftp_rqfpr[l];
|
|
|
|
local_rqfcr[j] = priv->ftp_rqfcr[l];
|
2009-11-02 07:03:40 +00:00
|
|
|
j--;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
priv->cur_filer_idx = l - 1;
|
|
|
|
last_rule_idx = l;
|
|
|
|
|
|
|
|
/* hash rules */
|
|
|
|
ethflow_to_filer_rules(priv, ethflow);
|
|
|
|
|
|
|
|
/* Write back the popped out rules again */
|
|
|
|
for (k = j+1; k < MAX_FILER_IDX; k++) {
|
2011-06-07 21:46:51 +00:00
|
|
|
priv->ftp_rqfpr[priv->cur_filer_idx] = local_rqfpr[k];
|
|
|
|
priv->ftp_rqfcr[priv->cur_filer_idx] = local_rqfcr[k];
|
2009-11-02 07:03:40 +00:00
|
|
|
gfar_write_filer(priv, priv->cur_filer_idx,
|
2012-06-05 03:42:15 +00:00
|
|
|
local_rqfcr[k], local_rqfpr[k]);
|
2009-11-02 07:03:40 +00:00
|
|
|
if (!priv->cur_filer_idx)
|
|
|
|
break;
|
|
|
|
priv->cur_filer_idx = priv->cur_filer_idx - 1;
|
|
|
|
}
|
|
|
|
|
2011-08-11 17:07:25 +00:00
|
|
|
err:
|
|
|
|
kfree(local_rqfcr);
|
|
|
|
kfree(local_rqfpr);
|
|
|
|
return ret;
|
2009-11-02 07:03:40 +00:00
|
|
|
}
|
|
|
|
|
2012-06-05 03:42:15 +00:00
|
|
|
static int gfar_set_hash_opts(struct gfar_private *priv,
|
|
|
|
struct ethtool_rxnfc *cmd)
|
2009-11-02 07:03:40 +00:00
|
|
|
{
|
|
|
|
/* write the filer rules here */
|
|
|
|
if (!gfar_ethflow_to_filer_table(priv, cmd->data, cmd->flow_type))
|
2011-04-08 13:45:11 +00:00
|
|
|
return -EINVAL;
|
2009-11-02 07:03:40 +00:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2011-06-20 20:57:59 +00:00
|
|
|
static int gfar_check_filer_hardware(struct gfar_private *priv)
|
|
|
|
{
|
|
|
|
struct gfar __iomem *regs = NULL;
|
|
|
|
u32 i;
|
|
|
|
|
|
|
|
regs = priv->gfargrp[0].regs;
|
|
|
|
|
|
|
|
/* Check if we are in FIFO mode */
|
|
|
|
i = gfar_read(®s->ecntrl);
|
|
|
|
i &= ECNTRL_FIFM;
|
|
|
|
if (i == ECNTRL_FIFM) {
|
|
|
|
netdev_notice(priv->ndev, "Interface in FIFO mode\n");
|
|
|
|
i = gfar_read(®s->rctrl);
|
|
|
|
i &= RCTRL_PRSDEP_MASK | RCTRL_PRSFM;
|
|
|
|
if (i == (RCTRL_PRSDEP_MASK | RCTRL_PRSFM)) {
|
|
|
|
netdev_info(priv->ndev,
|
2012-06-05 03:42:15 +00:00
|
|
|
"Receive Queue Filtering enabled\n");
|
2011-06-20 20:57:59 +00:00
|
|
|
} else {
|
|
|
|
netdev_warn(priv->ndev,
|
2012-06-05 03:42:15 +00:00
|
|
|
"Receive Queue Filtering disabled\n");
|
2011-06-20 20:57:59 +00:00
|
|
|
return -EOPNOTSUPP;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/* Or in standard mode */
|
|
|
|
else {
|
|
|
|
i = gfar_read(®s->rctrl);
|
|
|
|
i &= RCTRL_PRSDEP_MASK;
|
|
|
|
if (i == RCTRL_PRSDEP_MASK) {
|
|
|
|
netdev_info(priv->ndev,
|
2012-06-05 03:42:15 +00:00
|
|
|
"Receive Queue Filtering enabled\n");
|
2011-06-20 20:57:59 +00:00
|
|
|
} else {
|
|
|
|
netdev_warn(priv->ndev,
|
2012-06-05 03:42:15 +00:00
|
|
|
"Receive Queue Filtering disabled\n");
|
2011-06-20 20:57:59 +00:00
|
|
|
return -EOPNOTSUPP;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Sets the properties for arbitrary filer rule
|
2012-06-05 03:42:15 +00:00
|
|
|
* to the first 4 Layer 4 Bytes
|
|
|
|
*/
|
2011-06-20 20:57:59 +00:00
|
|
|
regs->rbifx = 0xC0C1C2C3;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gfar_comp_asc(const void *a, const void *b)
|
|
|
|
{
|
|
|
|
return memcmp(a, b, 4);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gfar_comp_desc(const void *a, const void *b)
|
|
|
|
{
|
|
|
|
return -memcmp(a, b, 4);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void gfar_swap(void *a, void *b, int size)
|
|
|
|
{
|
|
|
|
u32 *_a = a;
|
|
|
|
u32 *_b = b;
|
|
|
|
|
|
|
|
swap(_a[0], _b[0]);
|
|
|
|
swap(_a[1], _b[1]);
|
|
|
|
swap(_a[2], _b[2]);
|
|
|
|
swap(_a[3], _b[3]);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Write a mask to filer cache */
|
|
|
|
static void gfar_set_mask(u32 mask, struct filer_table *tab)
|
|
|
|
{
|
|
|
|
tab->fe[tab->index].ctrl = RQFCR_AND | RQFCR_PID_MASK | RQFCR_CMP_EXACT;
|
|
|
|
tab->fe[tab->index].prop = mask;
|
|
|
|
tab->index++;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Sets parse bits (e.g. IP or TCP) */
|
|
|
|
static void gfar_set_parse_bits(u32 value, u32 mask, struct filer_table *tab)
|
|
|
|
{
|
|
|
|
gfar_set_mask(mask, tab);
|
2012-06-05 03:42:15 +00:00
|
|
|
tab->fe[tab->index].ctrl = RQFCR_CMP_EXACT | RQFCR_PID_PARSE |
|
|
|
|
RQFCR_AND;
|
2011-06-20 20:57:59 +00:00
|
|
|
tab->fe[tab->index].prop = value;
|
|
|
|
tab->index++;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void gfar_set_general_attribute(u32 value, u32 mask, u32 flag,
|
2012-06-05 03:42:15 +00:00
|
|
|
struct filer_table *tab)
|
2011-06-20 20:57:59 +00:00
|
|
|
{
|
|
|
|
gfar_set_mask(mask, tab);
|
|
|
|
tab->fe[tab->index].ctrl = RQFCR_CMP_EXACT | RQFCR_AND | flag;
|
|
|
|
tab->fe[tab->index].prop = value;
|
|
|
|
tab->index++;
|
|
|
|
}
|
|
|
|
|
2012-06-05 03:42:15 +00:00
|
|
|
/* For setting a tuple of value and mask of type flag
|
2011-06-20 20:57:59 +00:00
|
|
|
* Example:
|
|
|
|
* IP-Src = 10.0.0.0/255.0.0.0
|
|
|
|
* value: 0x0A000000 mask: FF000000 flag: RQFPR_IPV4
|
|
|
|
*
|
|
|
|
* Ethtool gives us a value=0 and mask=~0 for don't care a tuple
|
|
|
|
* For a don't care mask it gives us a 0
|
|
|
|
*
|
|
|
|
* The check if don't care and the mask adjustment if mask=0 is done for VLAN
|
|
|
|
* and MAC stuff on an upper level (due to missing information on this level).
|
|
|
|
* For these guys we can discard them if they are value=0 and mask=0.
|
|
|
|
*
|
|
|
|
* Further the all masks are one-padded for better hardware efficiency.
|
|
|
|
*/
|
|
|
|
static void gfar_set_attribute(u32 value, u32 mask, u32 flag,
|
2012-06-05 03:42:15 +00:00
|
|
|
struct filer_table *tab)
|
2011-06-20 20:57:59 +00:00
|
|
|
{
|
|
|
|
switch (flag) {
|
2011-07-07 11:30:29 +00:00
|
|
|
/* 3bit */
|
2011-06-20 20:57:59 +00:00
|
|
|
case RQFCR_PID_PRI:
|
|
|
|
if (!(value | mask))
|
|
|
|
return;
|
|
|
|
mask |= RQFCR_PID_PRI_MASK;
|
|
|
|
break;
|
|
|
|
/* 8bit */
|
|
|
|
case RQFCR_PID_L4P:
|
|
|
|
case RQFCR_PID_TOS:
|
|
|
|
if (!~(mask | RQFCR_PID_L4P_MASK))
|
|
|
|
return;
|
|
|
|
if (!mask)
|
|
|
|
mask = ~0;
|
|
|
|
else
|
|
|
|
mask |= RQFCR_PID_L4P_MASK;
|
|
|
|
break;
|
|
|
|
/* 12bit */
|
|
|
|
case RQFCR_PID_VID:
|
|
|
|
if (!(value | mask))
|
|
|
|
return;
|
|
|
|
mask |= RQFCR_PID_VID_MASK;
|
|
|
|
break;
|
|
|
|
/* 16bit */
|
|
|
|
case RQFCR_PID_DPT:
|
|
|
|
case RQFCR_PID_SPT:
|
|
|
|
case RQFCR_PID_ETY:
|
|
|
|
if (!~(mask | RQFCR_PID_PORT_MASK))
|
|
|
|
return;
|
|
|
|
if (!mask)
|
|
|
|
mask = ~0;
|
|
|
|
else
|
|
|
|
mask |= RQFCR_PID_PORT_MASK;
|
|
|
|
break;
|
|
|
|
/* 24bit */
|
|
|
|
case RQFCR_PID_DAH:
|
|
|
|
case RQFCR_PID_DAL:
|
|
|
|
case RQFCR_PID_SAH:
|
|
|
|
case RQFCR_PID_SAL:
|
|
|
|
if (!(value | mask))
|
|
|
|
return;
|
|
|
|
mask |= RQFCR_PID_MAC_MASK;
|
|
|
|
break;
|
|
|
|
/* for all real 32bit masks */
|
|
|
|
default:
|
|
|
|
if (!~mask)
|
|
|
|
return;
|
|
|
|
if (!mask)
|
|
|
|
mask = ~0;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
gfar_set_general_attribute(value, mask, flag, tab);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Translates value and mask for UDP, TCP or SCTP */
|
|
|
|
static void gfar_set_basic_ip(struct ethtool_tcpip4_spec *value,
|
2012-06-05 03:42:15 +00:00
|
|
|
struct ethtool_tcpip4_spec *mask,
|
|
|
|
struct filer_table *tab)
|
2011-06-20 20:57:59 +00:00
|
|
|
{
|
|
|
|
gfar_set_attribute(value->ip4src, mask->ip4src, RQFCR_PID_SIA, tab);
|
|
|
|
gfar_set_attribute(value->ip4dst, mask->ip4dst, RQFCR_PID_DIA, tab);
|
|
|
|
gfar_set_attribute(value->pdst, mask->pdst, RQFCR_PID_DPT, tab);
|
|
|
|
gfar_set_attribute(value->psrc, mask->psrc, RQFCR_PID_SPT, tab);
|
|
|
|
gfar_set_attribute(value->tos, mask->tos, RQFCR_PID_TOS, tab);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Translates value and mask for RAW-IP4 */
|
|
|
|
static void gfar_set_user_ip(struct ethtool_usrip4_spec *value,
|
2012-06-05 03:42:15 +00:00
|
|
|
struct ethtool_usrip4_spec *mask,
|
|
|
|
struct filer_table *tab)
|
2011-06-20 20:57:59 +00:00
|
|
|
{
|
|
|
|
gfar_set_attribute(value->ip4src, mask->ip4src, RQFCR_PID_SIA, tab);
|
|
|
|
gfar_set_attribute(value->ip4dst, mask->ip4dst, RQFCR_PID_DIA, tab);
|
|
|
|
gfar_set_attribute(value->tos, mask->tos, RQFCR_PID_TOS, tab);
|
|
|
|
gfar_set_attribute(value->proto, mask->proto, RQFCR_PID_L4P, tab);
|
|
|
|
gfar_set_attribute(value->l4_4_bytes, mask->l4_4_bytes, RQFCR_PID_ARB,
|
2012-06-05 03:42:15 +00:00
|
|
|
tab);
|
2011-06-20 20:57:59 +00:00
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Translates value and mask for ETHER spec */
|
|
|
|
static void gfar_set_ether(struct ethhdr *value, struct ethhdr *mask,
|
2012-06-05 03:42:15 +00:00
|
|
|
struct filer_table *tab)
|
2011-06-20 20:57:59 +00:00
|
|
|
{
|
|
|
|
u32 upper_temp_mask = 0;
|
|
|
|
u32 lower_temp_mask = 0;
|
2012-06-05 03:42:15 +00:00
|
|
|
|
2011-06-20 20:57:59 +00:00
|
|
|
/* Source address */
|
|
|
|
if (!is_broadcast_ether_addr(mask->h_source)) {
|
|
|
|
if (is_zero_ether_addr(mask->h_source)) {
|
|
|
|
upper_temp_mask = 0xFFFFFFFF;
|
|
|
|
lower_temp_mask = 0xFFFFFFFF;
|
|
|
|
} else {
|
2012-06-05 03:42:15 +00:00
|
|
|
upper_temp_mask = mask->h_source[0] << 16 |
|
|
|
|
mask->h_source[1] << 8 |
|
|
|
|
mask->h_source[2];
|
|
|
|
lower_temp_mask = mask->h_source[3] << 16 |
|
|
|
|
mask->h_source[4] << 8 |
|
|
|
|
mask->h_source[5];
|
2011-06-20 20:57:59 +00:00
|
|
|
}
|
|
|
|
/* Upper 24bit */
|
2012-06-05 03:42:15 +00:00
|
|
|
gfar_set_attribute(value->h_source[0] << 16 |
|
|
|
|
value->h_source[1] << 8 |
|
|
|
|
value->h_source[2],
|
|
|
|
upper_temp_mask, RQFCR_PID_SAH, tab);
|
2011-06-20 20:57:59 +00:00
|
|
|
/* And the same for the lower part */
|
2012-06-05 03:42:15 +00:00
|
|
|
gfar_set_attribute(value->h_source[3] << 16 |
|
|
|
|
value->h_source[4] << 8 |
|
|
|
|
value->h_source[5],
|
|
|
|
lower_temp_mask, RQFCR_PID_SAL, tab);
|
2011-06-20 20:57:59 +00:00
|
|
|
}
|
|
|
|
/* Destination address */
|
|
|
|
if (!is_broadcast_ether_addr(mask->h_dest)) {
|
|
|
|
/* Special for destination is limited broadcast */
|
2012-06-05 03:42:15 +00:00
|
|
|
if ((is_broadcast_ether_addr(value->h_dest) &&
|
|
|
|
is_zero_ether_addr(mask->h_dest))) {
|
2011-06-20 20:57:59 +00:00
|
|
|
gfar_set_parse_bits(RQFPR_EBC, RQFPR_EBC, tab);
|
|
|
|
} else {
|
|
|
|
if (is_zero_ether_addr(mask->h_dest)) {
|
|
|
|
upper_temp_mask = 0xFFFFFFFF;
|
|
|
|
lower_temp_mask = 0xFFFFFFFF;
|
|
|
|
} else {
|
2012-06-05 03:42:15 +00:00
|
|
|
upper_temp_mask = mask->h_dest[0] << 16 |
|
|
|
|
mask->h_dest[1] << 8 |
|
|
|
|
mask->h_dest[2];
|
|
|
|
lower_temp_mask = mask->h_dest[3] << 16 |
|
|
|
|
mask->h_dest[4] << 8 |
|
|
|
|
mask->h_dest[5];
|
2011-06-20 20:57:59 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Upper 24bit */
|
2012-06-05 03:42:15 +00:00
|
|
|
gfar_set_attribute(value->h_dest[0] << 16 |
|
|
|
|
value->h_dest[1] << 8 |
|
|
|
|
value->h_dest[2],
|
|
|
|
upper_temp_mask, RQFCR_PID_DAH, tab);
|
2011-06-20 20:57:59 +00:00
|
|
|
/* And the same for the lower part */
|
2012-06-05 03:42:15 +00:00
|
|
|
gfar_set_attribute(value->h_dest[3] << 16 |
|
|
|
|
value->h_dest[4] << 8 |
|
|
|
|
value->h_dest[5],
|
|
|
|
lower_temp_mask, RQFCR_PID_DAL, tab);
|
2011-06-20 20:57:59 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
gfar_set_attribute(value->h_proto, mask->h_proto, RQFCR_PID_ETY, tab);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Convert a rule to binary filter format of gianfar */
|
|
|
|
static int gfar_convert_to_filer(struct ethtool_rx_flow_spec *rule,
|
2012-06-05 03:42:15 +00:00
|
|
|
struct filer_table *tab)
|
2011-06-20 20:57:59 +00:00
|
|
|
{
|
|
|
|
u32 vlan = 0, vlan_mask = 0;
|
|
|
|
u32 id = 0, id_mask = 0;
|
|
|
|
u32 cfi = 0, cfi_mask = 0;
|
|
|
|
u32 prio = 0, prio_mask = 0;
|
|
|
|
u32 old_index = tab->index;
|
|
|
|
|
|
|
|
/* Check if vlan is wanted */
|
|
|
|
if ((rule->flow_type & FLOW_EXT) && (rule->m_ext.vlan_tci != 0xFFFF)) {
|
|
|
|
if (!rule->m_ext.vlan_tci)
|
|
|
|
rule->m_ext.vlan_tci = 0xFFFF;
|
|
|
|
|
|
|
|
vlan = RQFPR_VLN;
|
|
|
|
vlan_mask = RQFPR_VLN;
|
|
|
|
|
|
|
|
/* Separate the fields */
|
2011-07-07 11:30:29 +00:00
|
|
|
id = rule->h_ext.vlan_tci & VLAN_VID_MASK;
|
|
|
|
id_mask = rule->m_ext.vlan_tci & VLAN_VID_MASK;
|
|
|
|
cfi = rule->h_ext.vlan_tci & VLAN_CFI_MASK;
|
|
|
|
cfi_mask = rule->m_ext.vlan_tci & VLAN_CFI_MASK;
|
2012-06-05 03:42:15 +00:00
|
|
|
prio = (rule->h_ext.vlan_tci & VLAN_PRIO_MASK) >>
|
|
|
|
VLAN_PRIO_SHIFT;
|
|
|
|
prio_mask = (rule->m_ext.vlan_tci & VLAN_PRIO_MASK) >>
|
|
|
|
VLAN_PRIO_SHIFT;
|
2011-07-07 11:30:29 +00:00
|
|
|
|
|
|
|
if (cfi == VLAN_TAG_PRESENT && cfi_mask == VLAN_TAG_PRESENT) {
|
2011-06-20 20:57:59 +00:00
|
|
|
vlan |= RQFPR_CFI;
|
|
|
|
vlan_mask |= RQFPR_CFI;
|
2012-06-05 03:42:15 +00:00
|
|
|
} else if (cfi != VLAN_TAG_PRESENT &&
|
|
|
|
cfi_mask == VLAN_TAG_PRESENT) {
|
2011-06-20 20:57:59 +00:00
|
|
|
vlan_mask |= RQFPR_CFI;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
switch (rule->flow_type & ~FLOW_EXT) {
|
|
|
|
case TCP_V4_FLOW:
|
|
|
|
gfar_set_parse_bits(RQFPR_IPV4 | RQFPR_TCP | vlan,
|
2012-06-05 03:42:15 +00:00
|
|
|
RQFPR_IPV4 | RQFPR_TCP | vlan_mask, tab);
|
2011-06-20 20:57:59 +00:00
|
|
|
gfar_set_basic_ip(&rule->h_u.tcp_ip4_spec,
|
2012-06-05 03:42:15 +00:00
|
|
|
&rule->m_u.tcp_ip4_spec, tab);
|
2011-06-20 20:57:59 +00:00
|
|
|
break;
|
|
|
|
case UDP_V4_FLOW:
|
|
|
|
gfar_set_parse_bits(RQFPR_IPV4 | RQFPR_UDP | vlan,
|
2012-06-05 03:42:15 +00:00
|
|
|
RQFPR_IPV4 | RQFPR_UDP | vlan_mask, tab);
|
2011-06-20 20:57:59 +00:00
|
|
|
gfar_set_basic_ip(&rule->h_u.udp_ip4_spec,
|
2012-06-05 03:42:15 +00:00
|
|
|
&rule->m_u.udp_ip4_spec, tab);
|
2011-06-20 20:57:59 +00:00
|
|
|
break;
|
|
|
|
case SCTP_V4_FLOW:
|
|
|
|
gfar_set_parse_bits(RQFPR_IPV4 | vlan, RQFPR_IPV4 | vlan_mask,
|
2012-06-05 03:42:15 +00:00
|
|
|
tab);
|
2011-06-20 20:57:59 +00:00
|
|
|
gfar_set_attribute(132, 0, RQFCR_PID_L4P, tab);
|
2012-06-05 03:42:15 +00:00
|
|
|
gfar_set_basic_ip((struct ethtool_tcpip4_spec *)&rule->h_u,
|
|
|
|
(struct ethtool_tcpip4_spec *)&rule->m_u,
|
|
|
|
tab);
|
2011-06-20 20:57:59 +00:00
|
|
|
break;
|
|
|
|
case IP_USER_FLOW:
|
|
|
|
gfar_set_parse_bits(RQFPR_IPV4 | vlan, RQFPR_IPV4 | vlan_mask,
|
2012-06-05 03:42:15 +00:00
|
|
|
tab);
|
2011-06-20 20:57:59 +00:00
|
|
|
gfar_set_user_ip((struct ethtool_usrip4_spec *) &rule->h_u,
|
2012-06-05 03:42:15 +00:00
|
|
|
(struct ethtool_usrip4_spec *) &rule->m_u,
|
|
|
|
tab);
|
2011-06-20 20:57:59 +00:00
|
|
|
break;
|
|
|
|
case ETHER_FLOW:
|
|
|
|
if (vlan)
|
|
|
|
gfar_set_parse_bits(vlan, vlan_mask, tab);
|
|
|
|
gfar_set_ether((struct ethhdr *) &rule->h_u,
|
2012-06-05 03:42:15 +00:00
|
|
|
(struct ethhdr *) &rule->m_u, tab);
|
2011-06-20 20:57:59 +00:00
|
|
|
break;
|
|
|
|
default:
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Set the vlan attributes in the end */
|
|
|
|
if (vlan) {
|
|
|
|
gfar_set_attribute(id, id_mask, RQFCR_PID_VID, tab);
|
|
|
|
gfar_set_attribute(prio, prio_mask, RQFCR_PID_PRI, tab);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* If there has been nothing written till now, it must be a default */
|
|
|
|
if (tab->index == old_index) {
|
|
|
|
gfar_set_mask(0xFFFFFFFF, tab);
|
|
|
|
tab->fe[tab->index].ctrl = 0x20;
|
|
|
|
tab->fe[tab->index].prop = 0x0;
|
|
|
|
tab->index++;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Remove last AND */
|
|
|
|
tab->fe[tab->index - 1].ctrl &= (~RQFCR_AND);
|
|
|
|
|
|
|
|
/* Specify which queue to use or to drop */
|
|
|
|
if (rule->ring_cookie == RX_CLS_FLOW_DISC)
|
|
|
|
tab->fe[tab->index - 1].ctrl |= RQFCR_RJE;
|
|
|
|
else
|
|
|
|
tab->fe[tab->index - 1].ctrl |= (rule->ring_cookie << 10);
|
|
|
|
|
|
|
|
/* Only big enough entries can be clustered */
|
|
|
|
if (tab->index > (old_index + 2)) {
|
|
|
|
tab->fe[old_index + 1].ctrl |= RQFCR_CLE;
|
|
|
|
tab->fe[tab->index - 1].ctrl |= RQFCR_CLE;
|
|
|
|
}
|
|
|
|
|
2012-06-05 03:42:15 +00:00
|
|
|
/* In rare cases the cache can be full while there is
|
|
|
|
* free space in hw
|
|
|
|
*/
|
2011-06-20 20:57:59 +00:00
|
|
|
if (tab->index > MAX_FILER_CACHE_IDX - 1)
|
|
|
|
return -EBUSY;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Copy size filer entries */
|
|
|
|
static void gfar_copy_filer_entries(struct gfar_filer_entry dst[0],
|
2012-06-05 03:42:15 +00:00
|
|
|
struct gfar_filer_entry src[0], s32 size)
|
2011-06-20 20:57:59 +00:00
|
|
|
{
|
|
|
|
while (size > 0) {
|
|
|
|
size--;
|
|
|
|
dst[size].ctrl = src[size].ctrl;
|
|
|
|
dst[size].prop = src[size].prop;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Delete the contents of the filer-table between start and end
|
2012-06-05 03:42:15 +00:00
|
|
|
* and collapse them
|
|
|
|
*/
|
2011-06-20 20:57:59 +00:00
|
|
|
static int gfar_trim_filer_entries(u32 begin, u32 end, struct filer_table *tab)
|
|
|
|
{
|
|
|
|
int length;
|
2012-06-05 03:42:15 +00:00
|
|
|
|
2011-06-20 20:57:59 +00:00
|
|
|
if (end > MAX_FILER_CACHE_IDX || end < begin)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
end++;
|
|
|
|
length = end - begin;
|
|
|
|
|
|
|
|
/* Copy */
|
|
|
|
while (end < tab->index) {
|
|
|
|
tab->fe[begin].ctrl = tab->fe[end].ctrl;
|
|
|
|
tab->fe[begin++].prop = tab->fe[end++].prop;
|
|
|
|
|
|
|
|
}
|
|
|
|
/* Fill up with don't cares */
|
|
|
|
while (begin < tab->index) {
|
|
|
|
tab->fe[begin].ctrl = 0x60;
|
|
|
|
tab->fe[begin].prop = 0xFFFFFFFF;
|
|
|
|
begin++;
|
|
|
|
}
|
|
|
|
|
|
|
|
tab->index -= length;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Make space on the wanted location */
|
|
|
|
static int gfar_expand_filer_entries(u32 begin, u32 length,
|
2012-06-05 03:42:15 +00:00
|
|
|
struct filer_table *tab)
|
2011-06-20 20:57:59 +00:00
|
|
|
{
|
2012-06-05 03:42:15 +00:00
|
|
|
if (length == 0 || length + tab->index > MAX_FILER_CACHE_IDX ||
|
|
|
|
begin > MAX_FILER_CACHE_IDX)
|
2011-06-20 20:57:59 +00:00
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
gfar_copy_filer_entries(&(tab->fe[begin + length]), &(tab->fe[begin]),
|
2012-06-05 03:42:15 +00:00
|
|
|
tab->index - length + 1);
|
2011-06-20 20:57:59 +00:00
|
|
|
|
|
|
|
tab->index += length;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gfar_get_next_cluster_start(int start, struct filer_table *tab)
|
|
|
|
{
|
2012-06-05 03:42:15 +00:00
|
|
|
for (; (start < tab->index) && (start < MAX_FILER_CACHE_IDX - 1);
|
|
|
|
start++) {
|
|
|
|
if ((tab->fe[start].ctrl & (RQFCR_AND | RQFCR_CLE)) ==
|
|
|
|
(RQFCR_AND | RQFCR_CLE))
|
2011-06-20 20:57:59 +00:00
|
|
|
return start;
|
|
|
|
}
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gfar_get_next_cluster_end(int start, struct filer_table *tab)
|
|
|
|
{
|
2012-06-05 03:42:15 +00:00
|
|
|
for (; (start < tab->index) && (start < MAX_FILER_CACHE_IDX - 1);
|
|
|
|
start++) {
|
|
|
|
if ((tab->fe[start].ctrl & (RQFCR_AND | RQFCR_CLE)) ==
|
|
|
|
(RQFCR_CLE))
|
2011-06-20 20:57:59 +00:00
|
|
|
return start;
|
|
|
|
}
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2012-06-05 03:42:15 +00:00
|
|
|
/* Uses hardwares clustering option to reduce
|
2011-06-20 20:57:59 +00:00
|
|
|
* the number of filer table entries
|
|
|
|
*/
|
|
|
|
static void gfar_cluster_filer(struct filer_table *tab)
|
|
|
|
{
|
|
|
|
s32 i = -1, j, iend, jend;
|
|
|
|
|
|
|
|
while ((i = gfar_get_next_cluster_start(++i, tab)) != -1) {
|
|
|
|
j = i;
|
|
|
|
while ((j = gfar_get_next_cluster_start(++j, tab)) != -1) {
|
2012-06-05 03:42:15 +00:00
|
|
|
/* The cluster entries self and the previous one
|
2011-06-20 20:57:59 +00:00
|
|
|
* (a mask) must be identical!
|
|
|
|
*/
|
|
|
|
if (tab->fe[i].ctrl != tab->fe[j].ctrl)
|
|
|
|
break;
|
|
|
|
if (tab->fe[i].prop != tab->fe[j].prop)
|
|
|
|
break;
|
|
|
|
if (tab->fe[i - 1].ctrl != tab->fe[j - 1].ctrl)
|
|
|
|
break;
|
|
|
|
if (tab->fe[i - 1].prop != tab->fe[j - 1].prop)
|
|
|
|
break;
|
|
|
|
iend = gfar_get_next_cluster_end(i, tab);
|
|
|
|
jend = gfar_get_next_cluster_end(j, tab);
|
|
|
|
if (jend == -1 || iend == -1)
|
|
|
|
break;
|
2012-06-05 03:42:15 +00:00
|
|
|
|
|
|
|
/* First we make some free space, where our cluster
|
2011-06-20 20:57:59 +00:00
|
|
|
* element should be. Then we copy it there and finally
|
|
|
|
* delete in from its old location.
|
|
|
|
*/
|
2012-06-05 03:42:15 +00:00
|
|
|
if (gfar_expand_filer_entries(iend, (jend - j), tab) ==
|
|
|
|
-EINVAL)
|
2011-06-20 20:57:59 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
gfar_copy_filer_entries(&(tab->fe[iend + 1]),
|
2012-06-05 03:42:15 +00:00
|
|
|
&(tab->fe[jend + 1]), jend - j);
|
2011-06-20 20:57:59 +00:00
|
|
|
|
|
|
|
if (gfar_trim_filer_entries(jend - 1,
|
2012-06-05 03:42:15 +00:00
|
|
|
jend + (jend - j),
|
|
|
|
tab) == -EINVAL)
|
2011-06-20 20:57:59 +00:00
|
|
|
return;
|
|
|
|
|
|
|
|
/* Mask out cluster bit */
|
|
|
|
tab->fe[iend].ctrl &= ~(RQFCR_CLE);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2011-07-07 11:30:29 +00:00
|
|
|
/* Swaps the masked bits of a1<>a2 and b1<>b2 */
|
|
|
|
static void gfar_swap_bits(struct gfar_filer_entry *a1,
|
2012-06-05 03:42:15 +00:00
|
|
|
struct gfar_filer_entry *a2,
|
|
|
|
struct gfar_filer_entry *b1,
|
|
|
|
struct gfar_filer_entry *b2, u32 mask)
|
2011-06-20 20:57:59 +00:00
|
|
|
{
|
|
|
|
u32 temp[4];
|
2011-07-07 11:30:29 +00:00
|
|
|
temp[0] = a1->ctrl & mask;
|
|
|
|
temp[1] = a2->ctrl & mask;
|
|
|
|
temp[2] = b1->ctrl & mask;
|
|
|
|
temp[3] = b2->ctrl & mask;
|
2011-06-20 20:57:59 +00:00
|
|
|
|
2011-07-07 11:30:29 +00:00
|
|
|
a1->ctrl &= ~mask;
|
|
|
|
a2->ctrl &= ~mask;
|
|
|
|
b1->ctrl &= ~mask;
|
|
|
|
b2->ctrl &= ~mask;
|
2011-06-20 20:57:59 +00:00
|
|
|
|
|
|
|
a1->ctrl |= temp[1];
|
|
|
|
a2->ctrl |= temp[0];
|
|
|
|
b1->ctrl |= temp[3];
|
|
|
|
b2->ctrl |= temp[2];
|
|
|
|
}
|
|
|
|
|
2012-06-05 03:42:15 +00:00
|
|
|
/* Generate a list consisting of masks values with their start and
|
2011-06-20 20:57:59 +00:00
|
|
|
* end of validity and block as indicator for parts belonging
|
|
|
|
* together (glued by ANDs) in mask_table
|
|
|
|
*/
|
|
|
|
static u32 gfar_generate_mask_table(struct gfar_mask_entry *mask_table,
|
2012-06-05 03:42:15 +00:00
|
|
|
struct filer_table *tab)
|
2011-06-20 20:57:59 +00:00
|
|
|
{
|
|
|
|
u32 i, and_index = 0, block_index = 1;
|
|
|
|
|
|
|
|
for (i = 0; i < tab->index; i++) {
|
|
|
|
|
|
|
|
/* LSByte of control = 0 sets a mask */
|
|
|
|
if (!(tab->fe[i].ctrl & 0xF)) {
|
|
|
|
mask_table[and_index].mask = tab->fe[i].prop;
|
|
|
|
mask_table[and_index].start = i;
|
|
|
|
mask_table[and_index].block = block_index;
|
|
|
|
if (and_index >= 1)
|
|
|
|
mask_table[and_index - 1].end = i - 1;
|
|
|
|
and_index++;
|
|
|
|
}
|
2011-07-07 11:30:29 +00:00
|
|
|
/* cluster starts and ends will be separated because they should
|
2012-06-05 03:42:15 +00:00
|
|
|
* hold their position
|
|
|
|
*/
|
2011-06-20 20:57:59 +00:00
|
|
|
if (tab->fe[i].ctrl & RQFCR_CLE)
|
|
|
|
block_index++;
|
|
|
|
/* A not set AND indicates the end of a depended block */
|
|
|
|
if (!(tab->fe[i].ctrl & RQFCR_AND))
|
|
|
|
block_index++;
|
|
|
|
}
|
|
|
|
|
|
|
|
mask_table[and_index - 1].end = i - 1;
|
|
|
|
|
|
|
|
return and_index;
|
|
|
|
}
|
|
|
|
|
2012-06-05 03:42:15 +00:00
|
|
|
/* Sorts the entries of mask_table by the values of the masks.
|
2011-06-20 20:57:59 +00:00
|
|
|
* Important: The 0xFF80 flags of the first and last entry of a
|
|
|
|
* block must hold their position (which queue, CLusterEnable, ReJEct,
|
|
|
|
* AND)
|
|
|
|
*/
|
|
|
|
static void gfar_sort_mask_table(struct gfar_mask_entry *mask_table,
|
2012-06-05 03:42:15 +00:00
|
|
|
struct filer_table *temp_table, u32 and_index)
|
2011-06-20 20:57:59 +00:00
|
|
|
{
|
|
|
|
/* Pointer to compare function (_asc or _desc) */
|
|
|
|
int (*gfar_comp)(const void *, const void *);
|
|
|
|
|
|
|
|
u32 i, size = 0, start = 0, prev = 1;
|
|
|
|
u32 old_first, old_last, new_first, new_last;
|
|
|
|
|
|
|
|
gfar_comp = &gfar_comp_desc;
|
|
|
|
|
|
|
|
for (i = 0; i < and_index; i++) {
|
|
|
|
if (prev != mask_table[i].block) {
|
|
|
|
old_first = mask_table[start].start + 1;
|
|
|
|
old_last = mask_table[i - 1].end;
|
|
|
|
sort(mask_table + start, size,
|
2012-06-05 03:42:15 +00:00
|
|
|
sizeof(struct gfar_mask_entry),
|
|
|
|
gfar_comp, &gfar_swap);
|
2011-06-20 20:57:59 +00:00
|
|
|
|
|
|
|
/* Toggle order for every block. This makes the
|
2012-06-05 03:42:15 +00:00
|
|
|
* thing more efficient!
|
|
|
|
*/
|
2011-06-20 20:57:59 +00:00
|
|
|
if (gfar_comp == gfar_comp_desc)
|
|
|
|
gfar_comp = &gfar_comp_asc;
|
|
|
|
else
|
|
|
|
gfar_comp = &gfar_comp_desc;
|
|
|
|
|
|
|
|
new_first = mask_table[start].start + 1;
|
|
|
|
new_last = mask_table[i - 1].end;
|
|
|
|
|
2011-07-07 11:30:29 +00:00
|
|
|
gfar_swap_bits(&temp_table->fe[new_first],
|
2012-06-05 03:42:15 +00:00
|
|
|
&temp_table->fe[old_first],
|
|
|
|
&temp_table->fe[new_last],
|
|
|
|
&temp_table->fe[old_last],
|
|
|
|
RQFCR_QUEUE | RQFCR_CLE |
|
|
|
|
RQFCR_RJE | RQFCR_AND);
|
2011-06-20 20:57:59 +00:00
|
|
|
|
|
|
|
start = i;
|
|
|
|
size = 0;
|
|
|
|
}
|
|
|
|
size++;
|
|
|
|
prev = mask_table[i].block;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-06-05 03:42:15 +00:00
|
|
|
/* Reduces the number of masks needed in the filer table to save entries
|
2011-06-20 20:57:59 +00:00
|
|
|
* This is done by sorting the masks of a depended block. A depended block is
|
|
|
|
* identified by gluing ANDs or CLE. The sorting order toggles after every
|
|
|
|
* block. Of course entries in scope of a mask must change their location with
|
|
|
|
* it.
|
|
|
|
*/
|
|
|
|
static int gfar_optimize_filer_masks(struct filer_table *tab)
|
|
|
|
{
|
|
|
|
struct filer_table *temp_table;
|
|
|
|
struct gfar_mask_entry *mask_table;
|
|
|
|
|
|
|
|
u32 and_index = 0, previous_mask = 0, i = 0, j = 0, size = 0;
|
|
|
|
s32 ret = 0;
|
|
|
|
|
|
|
|
/* We need a copy of the filer table because
|
2012-06-05 03:42:15 +00:00
|
|
|
* we want to change its order
|
|
|
|
*/
|
2011-11-17 13:05:35 +00:00
|
|
|
temp_table = kmemdup(tab, sizeof(*temp_table), GFP_KERNEL);
|
2011-06-20 20:57:59 +00:00
|
|
|
if (temp_table == NULL)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
mask_table = kcalloc(MAX_FILER_CACHE_IDX / 2 + 1,
|
2012-06-05 03:42:15 +00:00
|
|
|
sizeof(struct gfar_mask_entry), GFP_KERNEL);
|
2011-06-20 20:57:59 +00:00
|
|
|
|
|
|
|
if (mask_table == NULL) {
|
|
|
|
ret = -ENOMEM;
|
|
|
|
goto end;
|
|
|
|
}
|
|
|
|
|
|
|
|
and_index = gfar_generate_mask_table(mask_table, tab);
|
|
|
|
|
|
|
|
gfar_sort_mask_table(mask_table, temp_table, and_index);
|
|
|
|
|
|
|
|
/* Now we can copy the data from our duplicated filer table to
|
2012-06-05 03:42:15 +00:00
|
|
|
* the real one in the order the mask table says
|
|
|
|
*/
|
2011-06-20 20:57:59 +00:00
|
|
|
for (i = 0; i < and_index; i++) {
|
|
|
|
size = mask_table[i].end - mask_table[i].start + 1;
|
|
|
|
gfar_copy_filer_entries(&(tab->fe[j]),
|
|
|
|
&(temp_table->fe[mask_table[i].start]), size);
|
|
|
|
j += size;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* And finally we just have to check for duplicated masks and drop the
|
2012-06-05 03:42:15 +00:00
|
|
|
* second ones
|
|
|
|
*/
|
2011-06-20 20:57:59 +00:00
|
|
|
for (i = 0; i < tab->index && i < MAX_FILER_CACHE_IDX; i++) {
|
|
|
|
if (tab->fe[i].ctrl == 0x80) {
|
|
|
|
previous_mask = i++;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
for (; i < tab->index && i < MAX_FILER_CACHE_IDX; i++) {
|
|
|
|
if (tab->fe[i].ctrl == 0x80) {
|
|
|
|
if (tab->fe[i].prop == tab->fe[previous_mask].prop) {
|
|
|
|
/* Two identical ones found!
|
2012-06-05 03:42:15 +00:00
|
|
|
* So drop the second one!
|
|
|
|
*/
|
2011-06-20 20:57:59 +00:00
|
|
|
gfar_trim_filer_entries(i, i, tab);
|
|
|
|
} else
|
|
|
|
/* Not identical! */
|
|
|
|
previous_mask = i;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
kfree(mask_table);
|
|
|
|
end: kfree(temp_table);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Write the bit-pattern from software's buffer to hardware registers */
|
|
|
|
static int gfar_write_filer_table(struct gfar_private *priv,
|
2012-06-05 03:42:15 +00:00
|
|
|
struct filer_table *tab)
|
2011-06-20 20:57:59 +00:00
|
|
|
{
|
|
|
|
u32 i = 0;
|
|
|
|
if (tab->index > MAX_FILER_IDX - 1)
|
|
|
|
return -EBUSY;
|
|
|
|
|
|
|
|
/* Avoid inconsistent filer table to be processed */
|
|
|
|
lock_rx_qs(priv);
|
|
|
|
|
|
|
|
/* Fill regular entries */
|
2012-06-05 03:42:15 +00:00
|
|
|
for (; i < MAX_FILER_IDX - 1 && (tab->fe[i].ctrl | tab->fe[i].ctrl);
|
|
|
|
i++)
|
2011-06-20 20:57:59 +00:00
|
|
|
gfar_write_filer(priv, i, tab->fe[i].ctrl, tab->fe[i].prop);
|
|
|
|
/* Fill the rest with fall-troughs */
|
|
|
|
for (; i < MAX_FILER_IDX - 1; i++)
|
|
|
|
gfar_write_filer(priv, i, 0x60, 0xFFFFFFFF);
|
|
|
|
/* Last entry must be default accept
|
2012-06-05 03:42:15 +00:00
|
|
|
* because that's what people expect
|
|
|
|
*/
|
2011-06-20 20:57:59 +00:00
|
|
|
gfar_write_filer(priv, i, 0x20, 0x0);
|
|
|
|
|
|
|
|
unlock_rx_qs(priv);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gfar_check_capability(struct ethtool_rx_flow_spec *flow,
|
2012-06-05 03:42:15 +00:00
|
|
|
struct gfar_private *priv)
|
2011-06-20 20:57:59 +00:00
|
|
|
{
|
|
|
|
|
|
|
|
if (flow->flow_type & FLOW_EXT) {
|
|
|
|
if (~flow->m_ext.data[0] || ~flow->m_ext.data[1])
|
|
|
|
netdev_warn(priv->ndev,
|
2012-06-05 03:42:15 +00:00
|
|
|
"User-specific data not supported!\n");
|
2011-06-20 20:57:59 +00:00
|
|
|
if (~flow->m_ext.vlan_etype)
|
|
|
|
netdev_warn(priv->ndev,
|
2012-06-05 03:42:15 +00:00
|
|
|
"VLAN-etype not supported!\n");
|
2011-06-20 20:57:59 +00:00
|
|
|
}
|
|
|
|
if (flow->flow_type == IP_USER_FLOW)
|
|
|
|
if (flow->h_u.usr_ip4_spec.ip_ver != ETH_RX_NFC_IP4)
|
|
|
|
netdev_warn(priv->ndev,
|
2012-06-05 03:42:15 +00:00
|
|
|
"IP-Version differing from IPv4 not supported!\n");
|
2011-06-20 20:57:59 +00:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gfar_process_filer_changes(struct gfar_private *priv)
|
|
|
|
{
|
|
|
|
struct ethtool_flow_spec_container *j;
|
|
|
|
struct filer_table *tab;
|
|
|
|
s32 i = 0;
|
|
|
|
s32 ret = 0;
|
|
|
|
|
|
|
|
/* So index is set to zero, too! */
|
|
|
|
tab = kzalloc(sizeof(*tab), GFP_KERNEL);
|
|
|
|
if (tab == NULL)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
/* Now convert the existing filer data from flow_spec into
|
2012-06-05 03:42:15 +00:00
|
|
|
* filer tables binary format
|
|
|
|
*/
|
2011-06-20 20:57:59 +00:00
|
|
|
list_for_each_entry(j, &priv->rx_list.list, list) {
|
|
|
|
ret = gfar_convert_to_filer(&j->fs, tab);
|
|
|
|
if (ret == -EBUSY) {
|
2012-06-05 03:42:15 +00:00
|
|
|
netdev_err(priv->ndev,
|
|
|
|
"Rule not added: No free space!\n");
|
2011-06-20 20:57:59 +00:00
|
|
|
goto end;
|
|
|
|
}
|
|
|
|
if (ret == -1) {
|
2012-06-05 03:42:15 +00:00
|
|
|
netdev_err(priv->ndev,
|
|
|
|
"Rule not added: Unsupported Flow-type!\n");
|
2011-06-20 20:57:59 +00:00
|
|
|
goto end;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
i = tab->index;
|
|
|
|
|
|
|
|
/* Optimizations to save entries */
|
|
|
|
gfar_cluster_filer(tab);
|
|
|
|
gfar_optimize_filer_masks(tab);
|
|
|
|
|
|
|
|
pr_debug("\n\tSummary:\n"
|
2012-06-05 03:42:15 +00:00
|
|
|
"\tData on hardware: %d\n"
|
|
|
|
"\tCompression rate: %d%%\n",
|
|
|
|
tab->index, 100 - (100 * tab->index) / i);
|
2011-06-20 20:57:59 +00:00
|
|
|
|
|
|
|
/* Write everything to hardware */
|
|
|
|
ret = gfar_write_filer_table(priv, tab);
|
|
|
|
if (ret == -EBUSY) {
|
|
|
|
netdev_err(priv->ndev, "Rule not added: No free space!\n");
|
|
|
|
goto end;
|
|
|
|
}
|
|
|
|
|
2012-06-05 03:42:15 +00:00
|
|
|
end:
|
|
|
|
kfree(tab);
|
2011-06-20 20:57:59 +00:00
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void gfar_invert_masks(struct ethtool_rx_flow_spec *flow)
|
|
|
|
{
|
|
|
|
u32 i = 0;
|
|
|
|
|
|
|
|
for (i = 0; i < sizeof(flow->m_u); i++)
|
|
|
|
flow->m_u.hdata[i] ^= 0xFF;
|
|
|
|
|
|
|
|
flow->m_ext.vlan_etype ^= 0xFFFF;
|
|
|
|
flow->m_ext.vlan_tci ^= 0xFFFF;
|
|
|
|
flow->m_ext.data[0] ^= ~0;
|
|
|
|
flow->m_ext.data[1] ^= ~0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gfar_add_cls(struct gfar_private *priv,
|
2012-06-05 03:42:15 +00:00
|
|
|
struct ethtool_rx_flow_spec *flow)
|
2011-06-20 20:57:59 +00:00
|
|
|
{
|
|
|
|
struct ethtool_flow_spec_container *temp, *comp;
|
|
|
|
int ret = 0;
|
|
|
|
|
|
|
|
temp = kmalloc(sizeof(*temp), GFP_KERNEL);
|
|
|
|
if (temp == NULL)
|
|
|
|
return -ENOMEM;
|
|
|
|
memcpy(&temp->fs, flow, sizeof(temp->fs));
|
|
|
|
|
|
|
|
gfar_invert_masks(&temp->fs);
|
|
|
|
ret = gfar_check_capability(&temp->fs, priv);
|
|
|
|
if (ret)
|
|
|
|
goto clean_mem;
|
|
|
|
/* Link in the new element at the right @location */
|
|
|
|
if (list_empty(&priv->rx_list.list)) {
|
|
|
|
ret = gfar_check_filer_hardware(priv);
|
|
|
|
if (ret != 0)
|
|
|
|
goto clean_mem;
|
|
|
|
list_add(&temp->list, &priv->rx_list.list);
|
|
|
|
goto process;
|
|
|
|
} else {
|
|
|
|
list_for_each_entry(comp, &priv->rx_list.list, list) {
|
|
|
|
if (comp->fs.location > flow->location) {
|
|
|
|
list_add_tail(&temp->list, &comp->list);
|
|
|
|
goto process;
|
|
|
|
}
|
|
|
|
if (comp->fs.location == flow->location) {
|
|
|
|
netdev_err(priv->ndev,
|
2012-06-05 03:42:15 +00:00
|
|
|
"Rule not added: ID %d not free!\n",
|
|
|
|
flow->location);
|
2011-06-20 20:57:59 +00:00
|
|
|
ret = -EBUSY;
|
|
|
|
goto clean_mem;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
list_add_tail(&temp->list, &priv->rx_list.list);
|
|
|
|
}
|
|
|
|
|
|
|
|
process:
|
|
|
|
ret = gfar_process_filer_changes(priv);
|
|
|
|
if (ret)
|
|
|
|
goto clean_list;
|
|
|
|
priv->rx_list.count++;
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
clean_list:
|
|
|
|
list_del(&temp->list);
|
|
|
|
clean_mem:
|
|
|
|
kfree(temp);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gfar_del_cls(struct gfar_private *priv, u32 loc)
|
|
|
|
{
|
|
|
|
struct ethtool_flow_spec_container *comp;
|
|
|
|
u32 ret = -EINVAL;
|
|
|
|
|
|
|
|
if (list_empty(&priv->rx_list.list))
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
list_for_each_entry(comp, &priv->rx_list.list, list) {
|
|
|
|
if (comp->fs.location == loc) {
|
|
|
|
list_del(&comp->list);
|
|
|
|
kfree(comp);
|
|
|
|
priv->rx_list.count--;
|
|
|
|
gfar_process_filer_changes(priv);
|
|
|
|
ret = 0;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gfar_get_cls(struct gfar_private *priv, struct ethtool_rxnfc *cmd)
|
|
|
|
{
|
|
|
|
struct ethtool_flow_spec_container *comp;
|
|
|
|
u32 ret = -EINVAL;
|
|
|
|
|
|
|
|
list_for_each_entry(comp, &priv->rx_list.list, list) {
|
|
|
|
if (comp->fs.location == cmd->fs.location) {
|
|
|
|
memcpy(&cmd->fs, &comp->fs, sizeof(cmd->fs));
|
|
|
|
gfar_invert_masks(&cmd->fs);
|
|
|
|
ret = 0;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gfar_get_cls_all(struct gfar_private *priv,
|
2012-06-05 03:42:15 +00:00
|
|
|
struct ethtool_rxnfc *cmd, u32 *rule_locs)
|
2011-06-20 20:57:59 +00:00
|
|
|
{
|
|
|
|
struct ethtool_flow_spec_container *comp;
|
|
|
|
u32 i = 0;
|
|
|
|
|
|
|
|
list_for_each_entry(comp, &priv->rx_list.list, list) {
|
2011-09-06 12:44:25 +00:00
|
|
|
if (i == cmd->rule_cnt)
|
|
|
|
return -EMSGSIZE;
|
|
|
|
rule_locs[i] = comp->fs.location;
|
|
|
|
i++;
|
2011-06-20 20:57:59 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
cmd->data = MAX_FILER_IDX;
|
2011-09-06 13:52:47 +00:00
|
|
|
cmd->rule_cnt = i;
|
2011-06-20 20:57:59 +00:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2009-11-02 07:03:40 +00:00
|
|
|
static int gfar_set_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
|
|
|
|
{
|
|
|
|
struct gfar_private *priv = netdev_priv(dev);
|
|
|
|
int ret = 0;
|
|
|
|
|
2011-06-20 20:57:59 +00:00
|
|
|
mutex_lock(&priv->rx_queue_access);
|
|
|
|
|
|
|
|
switch (cmd->cmd) {
|
2009-11-02 07:03:40 +00:00
|
|
|
case ETHTOOL_SRXFH:
|
|
|
|
ret = gfar_set_hash_opts(priv, cmd);
|
|
|
|
break;
|
2011-06-20 20:57:59 +00:00
|
|
|
case ETHTOOL_SRXCLSRLINS:
|
2012-01-03 11:59:30 +00:00
|
|
|
if ((cmd->fs.ring_cookie != RX_CLS_FLOW_DISC &&
|
|
|
|
cmd->fs.ring_cookie >= priv->num_rx_queues) ||
|
|
|
|
cmd->fs.location >= MAX_FILER_IDX) {
|
2011-06-20 20:57:59 +00:00
|
|
|
ret = -EINVAL;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
ret = gfar_add_cls(priv, &cmd->fs);
|
|
|
|
break;
|
|
|
|
case ETHTOOL_SRXCLSRLDEL:
|
|
|
|
ret = gfar_del_cls(priv, cmd->fs.location);
|
|
|
|
break;
|
2009-11-02 07:03:40 +00:00
|
|
|
default:
|
|
|
|
ret = -EINVAL;
|
|
|
|
}
|
|
|
|
|
2011-06-20 20:57:59 +00:00
|
|
|
mutex_unlock(&priv->rx_queue_access);
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gfar_get_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
|
2012-06-05 03:42:15 +00:00
|
|
|
u32 *rule_locs)
|
2011-06-20 20:57:59 +00:00
|
|
|
{
|
|
|
|
struct gfar_private *priv = netdev_priv(dev);
|
|
|
|
int ret = 0;
|
|
|
|
|
|
|
|
switch (cmd->cmd) {
|
|
|
|
case ETHTOOL_GRXRINGS:
|
|
|
|
cmd->data = priv->num_rx_queues;
|
|
|
|
break;
|
|
|
|
case ETHTOOL_GRXCLSRLCNT:
|
|
|
|
cmd->rule_cnt = priv->rx_list.count;
|
|
|
|
break;
|
|
|
|
case ETHTOOL_GRXCLSRULE:
|
|
|
|
ret = gfar_get_cls(priv, cmd);
|
|
|
|
break;
|
|
|
|
case ETHTOOL_GRXCLSRLALL:
|
2011-09-06 13:49:12 +00:00
|
|
|
ret = gfar_get_cls_all(priv, cmd, rule_locs);
|
2011-06-20 20:57:59 +00:00
|
|
|
break;
|
|
|
|
default:
|
|
|
|
ret = -EINVAL;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2009-11-02 07:03:40 +00:00
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2012-04-03 22:59:19 +00:00
|
|
|
int gfar_phc_index = -1;
|
2012-09-20 19:11:12 +00:00
|
|
|
EXPORT_SYMBOL(gfar_phc_index);
|
2012-04-03 22:59:19 +00:00
|
|
|
|
|
|
|
static int gfar_get_ts_info(struct net_device *dev,
|
|
|
|
struct ethtool_ts_info *info)
|
|
|
|
{
|
|
|
|
struct gfar_private *priv = netdev_priv(dev);
|
|
|
|
|
|
|
|
if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_TIMER)) {
|
2012-06-05 03:42:15 +00:00
|
|
|
info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE |
|
|
|
|
SOF_TIMESTAMPING_SOFTWARE;
|
2012-04-03 22:59:19 +00:00
|
|
|
info->phc_index = -1;
|
|
|
|
return 0;
|
|
|
|
}
|
2012-06-05 03:42:15 +00:00
|
|
|
info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE |
|
|
|
|
SOF_TIMESTAMPING_RX_HARDWARE |
|
|
|
|
SOF_TIMESTAMPING_RAW_HARDWARE;
|
2012-04-03 22:59:19 +00:00
|
|
|
info->phc_index = gfar_phc_index;
|
2012-06-05 03:42:15 +00:00
|
|
|
info->tx_types = (1 << HWTSTAMP_TX_OFF) |
|
|
|
|
(1 << HWTSTAMP_TX_ON);
|
|
|
|
info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
|
|
|
|
(1 << HWTSTAMP_FILTER_ALL);
|
2012-04-03 22:59:19 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2006-09-13 18:30:00 +00:00
|
|
|
const struct ethtool_ops gfar_ethtool_ops = {
|
2005-04-16 22:20:36 +00:00
|
|
|
.get_settings = gfar_gsettings,
|
2005-09-24 02:54:21 +00:00
|
|
|
.set_settings = gfar_ssettings,
|
2005-04-16 22:20:36 +00:00
|
|
|
.get_drvinfo = gfar_gdrvinfo,
|
|
|
|
.get_regs_len = gfar_reglen,
|
|
|
|
.get_regs = gfar_get_regs,
|
|
|
|
.get_link = ethtool_op_get_link,
|
|
|
|
.get_coalesce = gfar_gcoalesce,
|
|
|
|
.set_coalesce = gfar_scoalesce,
|
|
|
|
.get_ringparam = gfar_gringparam,
|
|
|
|
.set_ringparam = gfar_sringparam,
|
|
|
|
.get_strings = gfar_gstrings,
|
2007-10-04 01:07:32 +00:00
|
|
|
.get_sset_count = gfar_sset_count,
|
2005-04-16 22:20:36 +00:00
|
|
|
.get_ethtool_stats = gfar_fill_stats,
|
2005-06-20 15:54:21 +00:00
|
|
|
.get_msglevel = gfar_get_msglevel,
|
|
|
|
.set_msglevel = gfar_set_msglevel,
|
2008-07-11 23:04:45 +00:00
|
|
|
#ifdef CONFIG_PM
|
|
|
|
.get_wol = gfar_get_wol,
|
|
|
|
.set_wol = gfar_set_wol,
|
|
|
|
#endif
|
2009-11-02 07:03:40 +00:00
|
|
|
.set_rxnfc = gfar_set_nfc,
|
2011-06-20 20:57:59 +00:00
|
|
|
.get_rxnfc = gfar_get_nfc,
|
2012-04-03 22:59:19 +00:00
|
|
|
.get_ts_info = gfar_get_ts_info,
|
2005-04-16 22:20:36 +00:00
|
|
|
};
|