909 строки
24 KiB
C
909 строки
24 KiB
C
/*
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* drivers/net/gianfar_ethtool.c
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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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* Maintainer: Kumar Gala
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* Modifier: Sandeep Gopalpet <sandeep.kumar@freescale.com>
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*
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* Copyright 2003-2006, 2008-2009 Freescale Semiconductor, Inc.
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*
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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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* by reference.
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*/
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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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#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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#include <linux/mii.h>
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#include <linux/phy.h>
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#include "gianfar.h"
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extern void gfar_start(struct net_device *dev);
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extern int gfar_clean_rx_ring(struct gfar_priv_rx_q *rx_queue, int rx_work_limit);
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#define GFAR_MAX_COAL_USECS 0xffff
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#define GFAR_MAX_COAL_FRAMES 0xff
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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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static void gfar_gstrings(struct net_device *dev, u32 stringset, u8 * buf);
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static int gfar_gcoalesce(struct net_device *dev, struct ethtool_coalesce *cvals);
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static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals);
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static void gfar_gringparam(struct net_device *dev, struct ethtool_ringparam *rvals);
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static int gfar_sringparam(struct net_device *dev, struct ethtool_ringparam *rvals);
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static void gfar_gdrvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo);
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static char stat_gstrings[][ETH_GSTRING_LEN] = {
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"rx-dropped-by-kernel",
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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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/* 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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if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON)
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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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GFAR_EXTRA_STATS_LEN * ETH_GSTRING_LEN);
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}
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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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static void gfar_fill_stats(struct net_device *dev, struct ethtool_stats *dummy, u64 * buf)
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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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struct gfar __iomem *regs = priv->gfargrp[0].regs;
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u64 *extra = (u64 *) & priv->extra_stats;
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if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON) {
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u32 __iomem *rmon = (u32 __iomem *) ®s->rmon;
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struct gfar_stats *stats = (struct gfar_stats *) buf;
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for (i = 0; i < GFAR_RMON_LEN; i++)
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stats->rmon[i] = (u64) gfar_read(&rmon[i]);
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for (i = 0; i < GFAR_EXTRA_STATS_LEN; i++)
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stats->extra[i] = extra[i];
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} else
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for (i = 0; i < GFAR_EXTRA_STATS_LEN; i++)
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buf[i] = extra[i];
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}
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static int gfar_sset_count(struct net_device *dev, int sset)
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{
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struct gfar_private *priv = netdev_priv(dev);
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switch (sset) {
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case ETH_SS_STATS:
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if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON)
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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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}
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/* Fills in the drvinfo structure with some basic info */
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static void gfar_gdrvinfo(struct net_device *dev, struct
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ethtool_drvinfo *drvinfo)
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{
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strncpy(drvinfo->driver, DRV_NAME, GFAR_INFOSTR_LEN);
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strncpy(drvinfo->version, gfar_driver_version, GFAR_INFOSTR_LEN);
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strncpy(drvinfo->fw_version, "N/A", GFAR_INFOSTR_LEN);
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strncpy(drvinfo->bus_info, "N/A", GFAR_INFOSTR_LEN);
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drvinfo->regdump_len = 0;
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drvinfo->eedump_len = 0;
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}
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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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/* Return the current settings in the ethtool_cmd structure */
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static int gfar_gsettings(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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struct gfar_priv_rx_q *rx_queue = NULL;
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struct gfar_priv_tx_q *tx_queue = NULL;
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if (NULL == phydev)
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return -ENODEV;
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tx_queue = priv->tx_queue[0];
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rx_queue = priv->rx_queue[0];
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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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cmd->maxtxpkt = get_icft_value(tx_queue->txic);
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cmd->maxrxpkt = get_icft_value(rx_queue->rxic);
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return phy_ethtool_gset(phydev, cmd);
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}
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/* Return the length of the register structure */
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static int gfar_reglen(struct net_device *dev)
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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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static void gfar_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *regbuf)
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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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u32 __iomem *theregs = (u32 __iomem *) priv->gfargrp[0].regs;
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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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buf[i] = gfar_read(&theregs[i]);
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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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static unsigned int gfar_usecs2ticks(struct gfar_private *priv, unsigned int usecs)
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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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switch (priv->phydev->speed) {
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case SPEED_1000:
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count = GFAR_GBIT_TIME;
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break;
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case SPEED_100:
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count = GFAR_100_TIME;
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break;
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case SPEED_10:
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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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return ((usecs * 1000 + count - 1) / count);
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}
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/* Convert ethernet clock ticks to microseconds */
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static unsigned int gfar_ticks2usecs(struct gfar_private *priv, unsigned int ticks)
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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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switch (priv->phydev->speed) {
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case SPEED_1000:
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count = GFAR_GBIT_TIME;
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break;
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case SPEED_100:
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count = GFAR_100_TIME;
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break;
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case SPEED_10:
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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 */
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return ((ticks * count) / 1000);
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}
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/* Get the coalescing parameters, and put them in the cvals
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* structure. */
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static int gfar_gcoalesce(struct net_device *dev, struct ethtool_coalesce *cvals)
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{
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struct gfar_private *priv = netdev_priv(dev);
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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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unsigned long rxtime;
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unsigned long rxcount;
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unsigned long txtime;
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unsigned long txcount;
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if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE))
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return -EOPNOTSUPP;
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if (NULL == priv->phydev)
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return -ENODEV;
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rx_queue = priv->rx_queue[0];
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tx_queue = priv->tx_queue[0];
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rxtime = get_ictt_value(rx_queue->rxic);
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rxcount = get_icft_value(rx_queue->rxic);
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txtime = get_ictt_value(tx_queue->txic);
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txcount = get_icft_value(tx_queue->txic);
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cvals->rx_coalesce_usecs = gfar_ticks2usecs(priv, rxtime);
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cvals->rx_max_coalesced_frames = rxcount;
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cvals->tx_coalesce_usecs = gfar_ticks2usecs(priv, txtime);
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cvals->tx_max_coalesced_frames = txcount;
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cvals->use_adaptive_rx_coalesce = 0;
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cvals->use_adaptive_tx_coalesce = 0;
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cvals->pkt_rate_low = 0;
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cvals->rx_coalesce_usecs_low = 0;
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cvals->rx_max_coalesced_frames_low = 0;
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cvals->tx_coalesce_usecs_low = 0;
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cvals->tx_max_coalesced_frames_low = 0;
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/* When the packet rate is below pkt_rate_high but above
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* pkt_rate_low (both measured in packets per second) the
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* normal {rx,tx}_* coalescing parameters are used.
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*/
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/* When the packet rate is (measured in packets per second)
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* is above pkt_rate_high, the {rx,tx}_*_high parameters are
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* used.
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*/
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cvals->pkt_rate_high = 0;
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cvals->rx_coalesce_usecs_high = 0;
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cvals->rx_max_coalesced_frames_high = 0;
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cvals->tx_coalesce_usecs_high = 0;
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cvals->tx_max_coalesced_frames_high = 0;
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/* How often to do adaptive coalescing packet rate sampling,
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* measured in seconds. Must not be zero.
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*/
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cvals->rate_sample_interval = 0;
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return 0;
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}
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/* Change the coalescing values.
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* Both cvals->*_usecs and cvals->*_frames have to be > 0
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* in order for coalescing to be active
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*/
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static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals)
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{
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struct gfar_private *priv = netdev_priv(dev);
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int i = 0;
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if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE))
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return -EOPNOTSUPP;
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/* Set up rx coalescing */
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/* As of now, we will enable/disable coalescing for all
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* queues together in case of eTSEC2, this will be modified
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* along with the ethtool interface */
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if ((cvals->rx_coalesce_usecs == 0) ||
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(cvals->rx_max_coalesced_frames == 0)) {
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for (i = 0; i < priv->num_rx_queues; i++)
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priv->rx_queue[i]->rxcoalescing = 0;
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} else {
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for (i = 0; i < priv->num_rx_queues; i++)
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priv->rx_queue[i]->rxcoalescing = 1;
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}
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if (NULL == priv->phydev)
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return -ENODEV;
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/* Check the bounds of the values */
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if (cvals->rx_coalesce_usecs > GFAR_MAX_COAL_USECS) {
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pr_info("Coalescing is limited to %d microseconds\n",
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GFAR_MAX_COAL_USECS);
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return -EINVAL;
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}
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if (cvals->rx_max_coalesced_frames > GFAR_MAX_COAL_FRAMES) {
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pr_info("Coalescing is limited to %d frames\n",
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GFAR_MAX_COAL_FRAMES);
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return -EINVAL;
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}
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for (i = 0; i < priv->num_rx_queues; i++) {
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priv->rx_queue[i]->rxic = mk_ic_value(
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cvals->rx_max_coalesced_frames,
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gfar_usecs2ticks(priv, cvals->rx_coalesce_usecs));
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}
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/* Set up tx coalescing */
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if ((cvals->tx_coalesce_usecs == 0) ||
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(cvals->tx_max_coalesced_frames == 0)) {
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for (i = 0; i < priv->num_tx_queues; i++)
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priv->tx_queue[i]->txcoalescing = 0;
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} else {
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for (i = 0; i < priv->num_tx_queues; i++)
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priv->tx_queue[i]->txcoalescing = 1;
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}
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/* Check the bounds of the values */
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if (cvals->tx_coalesce_usecs > GFAR_MAX_COAL_USECS) {
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pr_info("Coalescing is limited to %d microseconds\n",
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GFAR_MAX_COAL_USECS);
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return -EINVAL;
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}
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if (cvals->tx_max_coalesced_frames > GFAR_MAX_COAL_FRAMES) {
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pr_info("Coalescing is limited to %d frames\n",
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GFAR_MAX_COAL_FRAMES);
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return -EINVAL;
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}
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for (i = 0; i < priv->num_tx_queues; i++) {
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priv->tx_queue[i]->txic = mk_ic_value(
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cvals->tx_max_coalesced_frames,
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gfar_usecs2ticks(priv, cvals->tx_coalesce_usecs));
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}
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gfar_configure_coalescing(priv, 0xFF, 0xFF);
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return 0;
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}
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/* Fills in rvals with the current ring parameters. Currently,
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* rx, rx_mini, and rx_jumbo rings are the same size, as mini and
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* jumbo are ignored by the driver */
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static void gfar_gringparam(struct net_device *dev, struct ethtool_ringparam *rvals)
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{
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struct gfar_private *priv = netdev_priv(dev);
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struct gfar_priv_tx_q *tx_queue = NULL;
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struct gfar_priv_rx_q *rx_queue = NULL;
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tx_queue = priv->tx_queue[0];
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rx_queue = priv->rx_queue[0];
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rvals->rx_max_pending = GFAR_RX_MAX_RING_SIZE;
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rvals->rx_mini_max_pending = GFAR_RX_MAX_RING_SIZE;
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rvals->rx_jumbo_max_pending = GFAR_RX_MAX_RING_SIZE;
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rvals->tx_max_pending = GFAR_TX_MAX_RING_SIZE;
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/* Values changeable by the user. The valid values are
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* in the range 1 to the "*_max_pending" counterpart above.
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*/
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rvals->rx_pending = rx_queue->rx_ring_size;
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rvals->rx_mini_pending = rx_queue->rx_ring_size;
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rvals->rx_jumbo_pending = rx_queue->rx_ring_size;
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rvals->tx_pending = tx_queue->tx_ring_size;
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}
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/* Change the current ring parameters, stopping the controller if
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* necessary so that we don't mess things up while we're in
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* motion. We wait for the ring to be clean before reallocating
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* the rings. */
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static int gfar_sringparam(struct net_device *dev, struct ethtool_ringparam *rvals)
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{
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struct gfar_private *priv = netdev_priv(dev);
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int err = 0, i = 0;
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if (rvals->rx_pending > GFAR_RX_MAX_RING_SIZE)
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return -EINVAL;
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if (!is_power_of_2(rvals->rx_pending)) {
|
|
printk("%s: Ring sizes must be a power of 2\n",
|
|
dev->name);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (rvals->tx_pending > GFAR_TX_MAX_RING_SIZE)
|
|
return -EINVAL;
|
|
|
|
if (!is_power_of_2(rvals->tx_pending)) {
|
|
printk("%s: Ring sizes must be a power of 2\n",
|
|
dev->name);
|
|
return -EINVAL;
|
|
}
|
|
|
|
|
|
if (dev->flags & IFF_UP) {
|
|
unsigned long flags;
|
|
|
|
/* Halt TX and RX, and process the frames which
|
|
* have already been received */
|
|
local_irq_save(flags);
|
|
lock_tx_qs(priv);
|
|
lock_rx_qs(priv);
|
|
|
|
gfar_halt(dev);
|
|
|
|
unlock_rx_qs(priv);
|
|
unlock_tx_qs(priv);
|
|
local_irq_restore(flags);
|
|
|
|
for (i = 0; i < priv->num_rx_queues; i++)
|
|
gfar_clean_rx_ring(priv->rx_queue[i],
|
|
priv->rx_queue[i]->rx_ring_size);
|
|
|
|
/* Now we take down the rings to rebuild them */
|
|
stop_gfar(dev);
|
|
}
|
|
|
|
/* Change the size */
|
|
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;
|
|
priv->tx_queue[i]->num_txbdfree = priv->tx_queue[i]->tx_ring_size;
|
|
}
|
|
|
|
/* Rebuild the rings with the new size */
|
|
if (dev->flags & IFF_UP) {
|
|
err = startup_gfar(dev);
|
|
netif_tx_wake_all_queues(dev);
|
|
}
|
|
return err;
|
|
}
|
|
|
|
static int gfar_set_rx_csum(struct net_device *dev, uint32_t data)
|
|
{
|
|
struct gfar_private *priv = netdev_priv(dev);
|
|
unsigned long flags;
|
|
int err = 0, i = 0;
|
|
|
|
if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_CSUM))
|
|
return -EOPNOTSUPP;
|
|
|
|
|
|
if (dev->flags & IFF_UP) {
|
|
/* Halt TX and RX, and process the frames which
|
|
* have already been received */
|
|
local_irq_save(flags);
|
|
lock_tx_qs(priv);
|
|
lock_rx_qs(priv);
|
|
|
|
gfar_halt(dev);
|
|
|
|
unlock_tx_qs(priv);
|
|
unlock_rx_qs(priv);
|
|
local_irq_save(flags);
|
|
|
|
for (i = 0; i < priv->num_rx_queues; i++)
|
|
gfar_clean_rx_ring(priv->rx_queue[i],
|
|
priv->rx_queue[i]->rx_ring_size);
|
|
|
|
/* Now we take down the rings to rebuild them */
|
|
stop_gfar(dev);
|
|
}
|
|
|
|
spin_lock_irqsave(&priv->bflock, flags);
|
|
priv->rx_csum_enable = data;
|
|
spin_unlock_irqrestore(&priv->bflock, flags);
|
|
|
|
if (dev->flags & IFF_UP) {
|
|
err = startup_gfar(dev);
|
|
netif_tx_wake_all_queues(dev);
|
|
}
|
|
return err;
|
|
}
|
|
|
|
static uint32_t gfar_get_rx_csum(struct net_device *dev)
|
|
{
|
|
struct gfar_private *priv = netdev_priv(dev);
|
|
|
|
if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_CSUM))
|
|
return 0;
|
|
|
|
return priv->rx_csum_enable;
|
|
}
|
|
|
|
static int gfar_set_tx_csum(struct net_device *dev, uint32_t data)
|
|
{
|
|
struct gfar_private *priv = netdev_priv(dev);
|
|
|
|
if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_CSUM))
|
|
return -EOPNOTSUPP;
|
|
|
|
netif_tx_lock_bh(dev);
|
|
|
|
if (data)
|
|
dev->features |= NETIF_F_IP_CSUM;
|
|
else
|
|
dev->features &= ~NETIF_F_IP_CSUM;
|
|
|
|
netif_tx_unlock_bh(dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static uint32_t gfar_get_tx_csum(struct net_device *dev)
|
|
{
|
|
struct gfar_private *priv = netdev_priv(dev);
|
|
|
|
if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_CSUM))
|
|
return 0;
|
|
|
|
return (dev->features & NETIF_F_IP_CSUM) != 0;
|
|
}
|
|
|
|
static uint32_t gfar_get_msglevel(struct net_device *dev)
|
|
{
|
|
struct gfar_private *priv = netdev_priv(dev);
|
|
return priv->msg_enable;
|
|
}
|
|
|
|
static void gfar_set_msglevel(struct net_device *dev, uint32_t data)
|
|
{
|
|
struct gfar_private *priv = netdev_priv(dev);
|
|
priv->msg_enable = data;
|
|
}
|
|
|
|
#ifdef CONFIG_PM
|
|
static void gfar_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
|
|
{
|
|
struct gfar_private *priv = netdev_priv(dev);
|
|
|
|
if (priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET) {
|
|
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;
|
|
|
|
if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET) &&
|
|
wol->wolopts != 0)
|
|
return -EINVAL;
|
|
|
|
if (wol->wolopts & ~WAKE_MAGIC)
|
|
return -EINVAL;
|
|
|
|
spin_lock_irqsave(&priv->bflock, flags);
|
|
priv->wol_en = wol->wolopts & WAKE_MAGIC ? 1 : 0;
|
|
device_set_wakeup_enable(&dev->dev, priv->wol_en);
|
|
spin_unlock_irqrestore(&priv->bflock, flags);
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
static int gfar_ethflow_to_class(int flow_type, u64 *class)
|
|
{
|
|
switch (flow_type) {
|
|
case TCP_V4_FLOW:
|
|
*class = CLASS_CODE_TCP_IPV4;
|
|
break;
|
|
case UDP_V4_FLOW:
|
|
*class = CLASS_CODE_UDP_IPV4;
|
|
break;
|
|
case AH_V4_FLOW:
|
|
case ESP_V4_FLOW:
|
|
*class = CLASS_CODE_AH_ESP_IPV4;
|
|
break;
|
|
case SCTP_V4_FLOW:
|
|
*class = CLASS_CODE_SCTP_IPV4;
|
|
break;
|
|
case TCP_V6_FLOW:
|
|
*class = CLASS_CODE_TCP_IPV6;
|
|
break;
|
|
case UDP_V6_FLOW:
|
|
*class = CLASS_CODE_UDP_IPV6;
|
|
break;
|
|
case AH_V6_FLOW:
|
|
case ESP_V6_FLOW:
|
|
*class = CLASS_CODE_AH_ESP_IPV6;
|
|
break;
|
|
case SCTP_V6_FLOW:
|
|
*class = CLASS_CODE_SCTP_IPV6;
|
|
break;
|
|
default:
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
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 |
|
|
RQFCR_HASH | RQFCR_AND | RQFCR_HASHTBL_0;
|
|
ftp_rqfpr[priv->cur_filer_idx] = fpr;
|
|
ftp_rqfcr[priv->cur_filer_idx] = fcr;
|
|
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 |
|
|
RQFCR_HASH | RQFCR_AND | RQFCR_HASHTBL_0;
|
|
ftp_rqfpr[priv->cur_filer_idx] = fpr;
|
|
ftp_rqfcr[priv->cur_filer_idx] = fcr;
|
|
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 |
|
|
RQFCR_AND | RQFCR_HASHTBL_0;
|
|
gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
|
|
ftp_rqfpr[priv->cur_filer_idx] = fpr;
|
|
ftp_rqfcr[priv->cur_filer_idx] = fcr;
|
|
priv->cur_filer_idx = priv->cur_filer_idx - 1;
|
|
}
|
|
|
|
if (ethflow & RXH_IP_SRC) {
|
|
fcr = RQFCR_PID_SIA | RQFCR_CMP_NOMATCH | RQFCR_HASH |
|
|
RQFCR_AND | RQFCR_HASHTBL_0;
|
|
ftp_rqfpr[priv->cur_filer_idx] = fpr;
|
|
ftp_rqfcr[priv->cur_filer_idx] = fcr;
|
|
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 |
|
|
RQFCR_AND | RQFCR_HASHTBL_0;
|
|
ftp_rqfpr[priv->cur_filer_idx] = fpr;
|
|
ftp_rqfcr[priv->cur_filer_idx] = fcr;
|
|
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 |
|
|
RQFCR_AND | RQFCR_HASHTBL_0;
|
|
ftp_rqfpr[priv->cur_filer_idx] = fpr;
|
|
ftp_rqfcr[priv->cur_filer_idx] = fcr;
|
|
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 |
|
|
RQFCR_AND | RQFCR_HASHTBL_0;
|
|
ftp_rqfpr[priv->cur_filer_idx] = fpr;
|
|
ftp_rqfcr[priv->cur_filer_idx] = fcr;
|
|
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 |
|
|
RQFCR_AND | RQFCR_HASHTBL_0;
|
|
ftp_rqfpr[priv->cur_filer_idx] = fpr;
|
|
ftp_rqfcr[priv->cur_filer_idx] = fcr;
|
|
gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
|
|
priv->cur_filer_idx = priv->cur_filer_idx - 1;
|
|
}
|
|
}
|
|
|
|
static int gfar_ethflow_to_filer_table(struct gfar_private *priv, u64 ethflow, u64 class)
|
|
{
|
|
unsigned int last_rule_idx = priv->cur_filer_idx;
|
|
unsigned int cmp_rqfpr;
|
|
unsigned int local_rqfpr[MAX_FILER_IDX + 1];
|
|
unsigned int local_rqfcr[MAX_FILER_IDX + 1];
|
|
int i = 0x0, k = 0x0;
|
|
int j = MAX_FILER_IDX, l = 0x0;
|
|
|
|
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;
|
|
case IPV4_FLOW:
|
|
cmp_rqfpr = RQFPR_IPV4;
|
|
case IPV6_FLOW:
|
|
cmp_rqfpr = RQFPR_IPV6;
|
|
break;
|
|
default:
|
|
printk(KERN_ERR "Right now this class is not supported\n");
|
|
return 0;
|
|
}
|
|
|
|
for (i = 0; i < MAX_FILER_IDX + 1; i++) {
|
|
local_rqfpr[j] = ftp_rqfpr[i];
|
|
local_rqfcr[j] = ftp_rqfcr[i];
|
|
j--;
|
|
if ((ftp_rqfcr[i] == (RQFCR_PID_PARSE |
|
|
RQFCR_CLE |RQFCR_AND)) &&
|
|
(ftp_rqfpr[i] == cmp_rqfpr))
|
|
break;
|
|
}
|
|
|
|
if (i == MAX_FILER_IDX + 1) {
|
|
printk(KERN_ERR "No parse rule found, ");
|
|
printk(KERN_ERR "can't create hash rules\n");
|
|
return 0;
|
|
}
|
|
|
|
/* 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++) {
|
|
if ((ftp_rqfcr[l] & RQFCR_CLE) &&
|
|
!(ftp_rqfcr[l] & RQFCR_AND)) {
|
|
ftp_rqfcr[l] = RQFCR_CLE | RQFCR_CMP_EXACT |
|
|
RQFCR_HASHTBL_0 | RQFCR_PID_MASK;
|
|
ftp_rqfpr[l] = FPR_FILER_MASK;
|
|
gfar_write_filer(priv, l, ftp_rqfcr[l], ftp_rqfpr[l]);
|
|
break;
|
|
}
|
|
|
|
if (!(ftp_rqfcr[l] & RQFCR_CLE) && (ftp_rqfcr[l] & RQFCR_AND))
|
|
continue;
|
|
else {
|
|
local_rqfpr[j] = ftp_rqfpr[l];
|
|
local_rqfcr[j] = ftp_rqfcr[l];
|
|
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++) {
|
|
ftp_rqfpr[priv->cur_filer_idx] = local_rqfpr[k];
|
|
ftp_rqfcr[priv->cur_filer_idx] = local_rqfcr[k];
|
|
gfar_write_filer(priv, priv->cur_filer_idx,
|
|
local_rqfcr[k], local_rqfpr[k]);
|
|
if (!priv->cur_filer_idx)
|
|
break;
|
|
priv->cur_filer_idx = priv->cur_filer_idx - 1;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int gfar_set_hash_opts(struct gfar_private *priv, struct ethtool_rxnfc *cmd)
|
|
{
|
|
u64 class;
|
|
|
|
if (!gfar_ethflow_to_class(cmd->flow_type, &class))
|
|
return -EINVAL;
|
|
|
|
if (class < CLASS_CODE_USER_PROG1 ||
|
|
class > CLASS_CODE_SCTP_IPV6)
|
|
return -EINVAL;
|
|
|
|
/* write the filer rules here */
|
|
if (!gfar_ethflow_to_filer_table(priv, cmd->data, cmd->flow_type))
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int gfar_set_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
|
|
{
|
|
struct gfar_private *priv = netdev_priv(dev);
|
|
int ret = 0;
|
|
|
|
switch(cmd->cmd) {
|
|
case ETHTOOL_SRXFH:
|
|
ret = gfar_set_hash_opts(priv, cmd);
|
|
break;
|
|
default:
|
|
ret = -EINVAL;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
const struct ethtool_ops gfar_ethtool_ops = {
|
|
.get_settings = gfar_gsettings,
|
|
.set_settings = gfar_ssettings,
|
|
.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,
|
|
.get_sset_count = gfar_sset_count,
|
|
.get_ethtool_stats = gfar_fill_stats,
|
|
.get_rx_csum = gfar_get_rx_csum,
|
|
.get_tx_csum = gfar_get_tx_csum,
|
|
.set_rx_csum = gfar_set_rx_csum,
|
|
.set_tx_csum = gfar_set_tx_csum,
|
|
.set_sg = ethtool_op_set_sg,
|
|
.get_msglevel = gfar_get_msglevel,
|
|
.set_msglevel = gfar_set_msglevel,
|
|
#ifdef CONFIG_PM
|
|
.get_wol = gfar_get_wol,
|
|
.set_wol = gfar_set_wol,
|
|
#endif
|
|
.set_rxnfc = gfar_set_nfc,
|
|
};
|