mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-24 16:38:21 +07:00
1593 lines
41 KiB
C
1593 lines
41 KiB
C
/*
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* drivers/net/ethernet/freescale/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, 2011 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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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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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/delay.h>
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#include <linux/netdevice.h>
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#include <linux/etherdevice.h>
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#include <linux/net_tstamp.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 <linux/sort.h>
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#include <linux/if_vlan.h>
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#include "gianfar.h"
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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,
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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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static const char stat_gstrings[][ETH_GSTRING_LEN] = {
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/* extra stats */
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"rx-allocation-errors",
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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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"tx-timeout-errors",
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/* rmon stats */
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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,
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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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atomic64_t *extra = (atomic64_t *)&priv->extra_stats;
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for (i = 0; i < GFAR_EXTRA_STATS_LEN; i++)
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buf[i] = atomic64_read(&extra[i]);
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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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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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}
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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,
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struct ethtool_drvinfo *drvinfo)
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{
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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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}
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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,
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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,
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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,
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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,
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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,
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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, err = 0;
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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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/* Check the bounds of the values */
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if (cvals->rx_coalesce_usecs > GFAR_MAX_COAL_USECS) {
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netdev_info(dev, "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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netdev_info(dev, "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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/* Check the bounds of the values */
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if (cvals->tx_coalesce_usecs > GFAR_MAX_COAL_USECS) {
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netdev_info(dev, "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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netdev_info(dev, "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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while (test_and_set_bit_lock(GFAR_RESETTING, &priv->state))
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cpu_relax();
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/* Set up rx coalescing */
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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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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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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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if (dev->flags & IFF_UP) {
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stop_gfar(dev);
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err = startup_gfar(dev);
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} else {
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gfar_mac_reset(priv);
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}
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clear_bit_unlock(GFAR_RESETTING, &priv->state);
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return err;
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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,
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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 motion.
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*/
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static int gfar_sringparam(struct net_device *dev,
|
|
struct ethtool_ringparam *rvals)
|
|
{
|
|
struct gfar_private *priv = netdev_priv(dev);
|
|
int err = 0, i;
|
|
|
|
if (rvals->rx_pending > GFAR_RX_MAX_RING_SIZE)
|
|
return -EINVAL;
|
|
|
|
if (!is_power_of_2(rvals->rx_pending)) {
|
|
netdev_err(dev, "Ring sizes must be a power of 2\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (rvals->tx_pending > GFAR_TX_MAX_RING_SIZE)
|
|
return -EINVAL;
|
|
|
|
if (!is_power_of_2(rvals->tx_pending)) {
|
|
netdev_err(dev, "Ring sizes must be a power of 2\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
while (test_and_set_bit_lock(GFAR_RESETTING, &priv->state))
|
|
cpu_relax();
|
|
|
|
if (dev->flags & IFF_UP)
|
|
stop_gfar(dev);
|
|
|
|
/* Change the sizes */
|
|
for (i = 0; i < priv->num_rx_queues; i++)
|
|
priv->rx_queue[i]->rx_ring_size = rvals->rx_pending;
|
|
|
|
for (i = 0; i < priv->num_tx_queues; i++)
|
|
priv->tx_queue[i]->tx_ring_size = rvals->tx_pending;
|
|
|
|
/* Rebuild the rings with the new size */
|
|
if (dev->flags & IFF_UP)
|
|
err = startup_gfar(dev);
|
|
|
|
clear_bit_unlock(GFAR_RESETTING, &priv->state);
|
|
|
|
return err;
|
|
}
|
|
|
|
static void gfar_gpauseparam(struct net_device *dev,
|
|
struct ethtool_pauseparam *epause)
|
|
{
|
|
struct gfar_private *priv = netdev_priv(dev);
|
|
|
|
epause->autoneg = !!priv->pause_aneg_en;
|
|
epause->rx_pause = !!priv->rx_pause_en;
|
|
epause->tx_pause = !!priv->tx_pause_en;
|
|
}
|
|
|
|
static int gfar_spauseparam(struct net_device *dev,
|
|
struct ethtool_pauseparam *epause)
|
|
{
|
|
struct gfar_private *priv = netdev_priv(dev);
|
|
struct phy_device *phydev = priv->phydev;
|
|
struct gfar __iomem *regs = priv->gfargrp[0].regs;
|
|
u32 oldadv, newadv;
|
|
|
|
if (!phydev)
|
|
return -ENODEV;
|
|
|
|
if (!(phydev->supported & SUPPORTED_Pause) ||
|
|
(!(phydev->supported & SUPPORTED_Asym_Pause) &&
|
|
(epause->rx_pause != epause->tx_pause)))
|
|
return -EINVAL;
|
|
|
|
priv->rx_pause_en = priv->tx_pause_en = 0;
|
|
if (epause->rx_pause) {
|
|
priv->rx_pause_en = 1;
|
|
|
|
if (epause->tx_pause) {
|
|
priv->tx_pause_en = 1;
|
|
/* FLOW_CTRL_RX & TX */
|
|
newadv = ADVERTISED_Pause;
|
|
} else /* FLOW_CTLR_RX */
|
|
newadv = ADVERTISED_Pause | ADVERTISED_Asym_Pause;
|
|
} else if (epause->tx_pause) {
|
|
priv->tx_pause_en = 1;
|
|
/* FLOW_CTLR_TX */
|
|
newadv = ADVERTISED_Asym_Pause;
|
|
} else
|
|
newadv = 0;
|
|
|
|
if (epause->autoneg)
|
|
priv->pause_aneg_en = 1;
|
|
else
|
|
priv->pause_aneg_en = 0;
|
|
|
|
oldadv = phydev->advertising &
|
|
(ADVERTISED_Pause | ADVERTISED_Asym_Pause);
|
|
if (oldadv != newadv) {
|
|
phydev->advertising &=
|
|
~(ADVERTISED_Pause | ADVERTISED_Asym_Pause);
|
|
phydev->advertising |= newadv;
|
|
if (phydev->autoneg)
|
|
/* inform link partner of our
|
|
* new flow ctrl settings
|
|
*/
|
|
return phy_start_aneg(phydev);
|
|
|
|
if (!epause->autoneg) {
|
|
u32 tempval;
|
|
tempval = gfar_read(®s->maccfg1);
|
|
tempval &= ~(MACCFG1_TX_FLOW | MACCFG1_RX_FLOW);
|
|
|
|
priv->tx_actual_en = 0;
|
|
if (priv->tx_pause_en) {
|
|
priv->tx_actual_en = 1;
|
|
tempval |= MACCFG1_TX_FLOW;
|
|
}
|
|
|
|
if (priv->rx_pause_en)
|
|
tempval |= MACCFG1_RX_FLOW;
|
|
gfar_write(®s->maccfg1, tempval);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int gfar_set_features(struct net_device *dev, netdev_features_t features)
|
|
{
|
|
netdev_features_t changed = dev->features ^ features;
|
|
struct gfar_private *priv = netdev_priv(dev);
|
|
int err = 0;
|
|
|
|
if (!(changed & (NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX |
|
|
NETIF_F_RXCSUM)))
|
|
return 0;
|
|
|
|
while (test_and_set_bit_lock(GFAR_RESETTING, &priv->state))
|
|
cpu_relax();
|
|
|
|
dev->features = features;
|
|
|
|
if (dev->flags & IFF_UP) {
|
|
/* Now we take down the rings to rebuild them */
|
|
stop_gfar(dev);
|
|
err = startup_gfar(dev);
|
|
} else {
|
|
gfar_mac_reset(priv);
|
|
}
|
|
|
|
clear_bit_unlock(GFAR_RESETTING, &priv->state);
|
|
|
|
return err;
|
|
}
|
|
|
|
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);
|
|
|
|
wol->supported = 0;
|
|
wol->wolopts = 0;
|
|
|
|
if (priv->wol_supported & GFAR_WOL_MAGIC)
|
|
wol->supported |= WAKE_MAGIC;
|
|
|
|
if (priv->wol_supported & GFAR_WOL_FILER_UCAST)
|
|
wol->supported |= WAKE_UCAST;
|
|
|
|
if (priv->wol_opts & GFAR_WOL_MAGIC)
|
|
wol->wolopts |= WAKE_MAGIC;
|
|
|
|
if (priv->wol_opts & GFAR_WOL_FILER_UCAST)
|
|
wol->wolopts |= WAKE_UCAST;
|
|
}
|
|
|
|
static int gfar_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
|
|
{
|
|
struct gfar_private *priv = netdev_priv(dev);
|
|
u16 wol_opts = 0;
|
|
int err;
|
|
|
|
if (!priv->wol_supported && wol->wolopts)
|
|
return -EINVAL;
|
|
|
|
if (wol->wolopts & ~(WAKE_MAGIC | WAKE_UCAST))
|
|
return -EINVAL;
|
|
|
|
if (wol->wolopts & WAKE_MAGIC) {
|
|
wol_opts |= GFAR_WOL_MAGIC;
|
|
} else {
|
|
if (wol->wolopts & WAKE_UCAST)
|
|
wol_opts |= GFAR_WOL_FILER_UCAST;
|
|
}
|
|
|
|
wol_opts &= priv->wol_supported;
|
|
priv->wol_opts = 0;
|
|
|
|
err = device_set_wakeup_enable(priv->dev, wol_opts);
|
|
if (err)
|
|
return err;
|
|
|
|
priv->wol_opts = wol_opts;
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
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;
|
|
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
|
|
priv->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_CMP_NOMATCH |
|
|
RQFCR_HASH | RQFCR_AND | RQFCR_HASHTBL_0;
|
|
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
|
|
priv->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);
|
|
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
|
|
priv->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;
|
|
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
|
|
priv->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;
|
|
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
|
|
priv->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;
|
|
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
|
|
priv->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;
|
|
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
|
|
priv->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;
|
|
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
|
|
priv->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;
|
|
unsigned int *local_rqfcr;
|
|
int i = 0x0, k = 0x0;
|
|
int j = MAX_FILER_IDX, l = 0x0;
|
|
int ret = 1;
|
|
|
|
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);
|
|
if (!local_rqfpr || !local_rqfcr) {
|
|
ret = 0;
|
|
goto err;
|
|
}
|
|
|
|
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:
|
|
netdev_err(priv->ndev,
|
|
"Right now this class is not supported\n");
|
|
ret = 0;
|
|
goto err;
|
|
}
|
|
|
|
for (i = 0; i < MAX_FILER_IDX + 1; i++) {
|
|
local_rqfpr[j] = priv->ftp_rqfpr[i];
|
|
local_rqfcr[j] = priv->ftp_rqfcr[i];
|
|
j--;
|
|
if ((priv->ftp_rqfcr[i] ==
|
|
(RQFCR_PID_PARSE | RQFCR_CLE | RQFCR_AND)) &&
|
|
(priv->ftp_rqfpr[i] == cmp_rqfpr))
|
|
break;
|
|
}
|
|
|
|
if (i == MAX_FILER_IDX + 1) {
|
|
netdev_err(priv->ndev,
|
|
"No parse rule found, can't create hash rules\n");
|
|
ret = 0;
|
|
goto err;
|
|
}
|
|
|
|
/* 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 ((priv->ftp_rqfcr[l] & RQFCR_CLE) &&
|
|
!(priv->ftp_rqfcr[l] & RQFCR_AND)) {
|
|
priv->ftp_rqfcr[l] = RQFCR_CLE | RQFCR_CMP_EXACT |
|
|
RQFCR_HASHTBL_0 | RQFCR_PID_MASK;
|
|
priv->ftp_rqfpr[l] = FPR_FILER_MASK;
|
|
gfar_write_filer(priv, l, priv->ftp_rqfcr[l],
|
|
priv->ftp_rqfpr[l]);
|
|
break;
|
|
}
|
|
|
|
if (!(priv->ftp_rqfcr[l] & RQFCR_CLE) &&
|
|
(priv->ftp_rqfcr[l] & RQFCR_AND))
|
|
continue;
|
|
else {
|
|
local_rqfpr[j] = priv->ftp_rqfpr[l];
|
|
local_rqfcr[j] = priv->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++) {
|
|
priv->ftp_rqfpr[priv->cur_filer_idx] = local_rqfpr[k];
|
|
priv->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;
|
|
}
|
|
|
|
err:
|
|
kfree(local_rqfcr);
|
|
kfree(local_rqfpr);
|
|
return ret;
|
|
}
|
|
|
|
static int gfar_set_hash_opts(struct gfar_private *priv,
|
|
struct ethtool_rxnfc *cmd)
|
|
{
|
|
/* write the filer rules here */
|
|
if (!gfar_ethflow_to_filer_table(priv, cmd->data, cmd->flow_type))
|
|
return -EINVAL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int gfar_check_filer_hardware(struct gfar_private *priv)
|
|
{
|
|
struct gfar __iomem *regs = priv->gfargrp[0].regs;
|
|
u32 i;
|
|
|
|
/* 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,
|
|
"Receive Queue Filtering enabled\n");
|
|
} else {
|
|
netdev_warn(priv->ndev,
|
|
"Receive Queue Filtering disabled\n");
|
|
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,
|
|
"Receive Queue Filtering enabled\n");
|
|
} else {
|
|
netdev_warn(priv->ndev,
|
|
"Receive Queue Filtering disabled\n");
|
|
return -EOPNOTSUPP;
|
|
}
|
|
}
|
|
|
|
/* Sets the properties for arbitrary filer rule
|
|
* to the first 4 Layer 4 Bytes
|
|
*/
|
|
gfar_write(®s->rbifx, 0xC0C1C2C3);
|
|
return 0;
|
|
}
|
|
|
|
/* 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);
|
|
tab->fe[tab->index].ctrl = RQFCR_CMP_EXACT | RQFCR_PID_PARSE |
|
|
RQFCR_AND;
|
|
tab->fe[tab->index].prop = value;
|
|
tab->index++;
|
|
}
|
|
|
|
static void gfar_set_general_attribute(u32 value, u32 mask, u32 flag,
|
|
struct filer_table *tab)
|
|
{
|
|
gfar_set_mask(mask, tab);
|
|
tab->fe[tab->index].ctrl = RQFCR_CMP_EXACT | RQFCR_AND | flag;
|
|
tab->fe[tab->index].prop = value;
|
|
tab->index++;
|
|
}
|
|
|
|
/* For setting a tuple of value and mask of type flag
|
|
* 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,
|
|
struct filer_table *tab)
|
|
{
|
|
switch (flag) {
|
|
/* 3bit */
|
|
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,
|
|
struct ethtool_tcpip4_spec *mask,
|
|
struct filer_table *tab)
|
|
{
|
|
gfar_set_attribute(be32_to_cpu(value->ip4src),
|
|
be32_to_cpu(mask->ip4src),
|
|
RQFCR_PID_SIA, tab);
|
|
gfar_set_attribute(be32_to_cpu(value->ip4dst),
|
|
be32_to_cpu(mask->ip4dst),
|
|
RQFCR_PID_DIA, tab);
|
|
gfar_set_attribute(be16_to_cpu(value->pdst),
|
|
be16_to_cpu(mask->pdst),
|
|
RQFCR_PID_DPT, tab);
|
|
gfar_set_attribute(be16_to_cpu(value->psrc),
|
|
be16_to_cpu(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,
|
|
struct ethtool_usrip4_spec *mask,
|
|
struct filer_table *tab)
|
|
{
|
|
gfar_set_attribute(be32_to_cpu(value->ip4src),
|
|
be32_to_cpu(mask->ip4src),
|
|
RQFCR_PID_SIA, tab);
|
|
gfar_set_attribute(be32_to_cpu(value->ip4dst),
|
|
be32_to_cpu(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(be32_to_cpu(value->l4_4_bytes),
|
|
be32_to_cpu(mask->l4_4_bytes),
|
|
RQFCR_PID_ARB, tab);
|
|
|
|
}
|
|
|
|
/* Translates value and mask for ETHER spec */
|
|
static void gfar_set_ether(struct ethhdr *value, struct ethhdr *mask,
|
|
struct filer_table *tab)
|
|
{
|
|
u32 upper_temp_mask = 0;
|
|
u32 lower_temp_mask = 0;
|
|
|
|
/* 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 {
|
|
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];
|
|
}
|
|
/* Upper 24bit */
|
|
gfar_set_attribute(value->h_source[0] << 16 |
|
|
value->h_source[1] << 8 |
|
|
value->h_source[2],
|
|
upper_temp_mask, RQFCR_PID_SAH, tab);
|
|
/* And the same for the lower part */
|
|
gfar_set_attribute(value->h_source[3] << 16 |
|
|
value->h_source[4] << 8 |
|
|
value->h_source[5],
|
|
lower_temp_mask, RQFCR_PID_SAL, tab);
|
|
}
|
|
/* Destination address */
|
|
if (!is_broadcast_ether_addr(mask->h_dest)) {
|
|
/* Special for destination is limited broadcast */
|
|
if ((is_broadcast_ether_addr(value->h_dest) &&
|
|
is_zero_ether_addr(mask->h_dest))) {
|
|
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 {
|
|
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];
|
|
}
|
|
|
|
/* Upper 24bit */
|
|
gfar_set_attribute(value->h_dest[0] << 16 |
|
|
value->h_dest[1] << 8 |
|
|
value->h_dest[2],
|
|
upper_temp_mask, RQFCR_PID_DAH, tab);
|
|
/* And the same for the lower part */
|
|
gfar_set_attribute(value->h_dest[3] << 16 |
|
|
value->h_dest[4] << 8 |
|
|
value->h_dest[5],
|
|
lower_temp_mask, RQFCR_PID_DAL, tab);
|
|
}
|
|
}
|
|
|
|
gfar_set_attribute(be16_to_cpu(value->h_proto),
|
|
be16_to_cpu(mask->h_proto),
|
|
RQFCR_PID_ETY, tab);
|
|
}
|
|
|
|
static inline u32 vlan_tci_vid(struct ethtool_rx_flow_spec *rule)
|
|
{
|
|
return be16_to_cpu(rule->h_ext.vlan_tci) & VLAN_VID_MASK;
|
|
}
|
|
|
|
static inline u32 vlan_tci_vidm(struct ethtool_rx_flow_spec *rule)
|
|
{
|
|
return be16_to_cpu(rule->m_ext.vlan_tci) & VLAN_VID_MASK;
|
|
}
|
|
|
|
static inline u32 vlan_tci_cfi(struct ethtool_rx_flow_spec *rule)
|
|
{
|
|
return be16_to_cpu(rule->h_ext.vlan_tci) & VLAN_CFI_MASK;
|
|
}
|
|
|
|
static inline u32 vlan_tci_cfim(struct ethtool_rx_flow_spec *rule)
|
|
{
|
|
return be16_to_cpu(rule->m_ext.vlan_tci) & VLAN_CFI_MASK;
|
|
}
|
|
|
|
static inline u32 vlan_tci_prio(struct ethtool_rx_flow_spec *rule)
|
|
{
|
|
return (be16_to_cpu(rule->h_ext.vlan_tci) & VLAN_PRIO_MASK) >>
|
|
VLAN_PRIO_SHIFT;
|
|
}
|
|
|
|
static inline u32 vlan_tci_priom(struct ethtool_rx_flow_spec *rule)
|
|
{
|
|
return (be16_to_cpu(rule->m_ext.vlan_tci) & VLAN_PRIO_MASK) >>
|
|
VLAN_PRIO_SHIFT;
|
|
}
|
|
|
|
/* Convert a rule to binary filter format of gianfar */
|
|
static int gfar_convert_to_filer(struct ethtool_rx_flow_spec *rule,
|
|
struct filer_table *tab)
|
|
{
|
|
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 != cpu_to_be16(0xFFFF))) {
|
|
if (!rule->m_ext.vlan_tci)
|
|
rule->m_ext.vlan_tci = cpu_to_be16(0xFFFF);
|
|
|
|
vlan = RQFPR_VLN;
|
|
vlan_mask = RQFPR_VLN;
|
|
|
|
/* Separate the fields */
|
|
id = vlan_tci_vid(rule);
|
|
id_mask = vlan_tci_vidm(rule);
|
|
cfi = vlan_tci_cfi(rule);
|
|
cfi_mask = vlan_tci_cfim(rule);
|
|
prio = vlan_tci_prio(rule);
|
|
prio_mask = vlan_tci_priom(rule);
|
|
|
|
if (cfi == VLAN_TAG_PRESENT && cfi_mask == VLAN_TAG_PRESENT) {
|
|
vlan |= RQFPR_CFI;
|
|
vlan_mask |= RQFPR_CFI;
|
|
} else if (cfi != VLAN_TAG_PRESENT &&
|
|
cfi_mask == VLAN_TAG_PRESENT) {
|
|
vlan_mask |= RQFPR_CFI;
|
|
}
|
|
}
|
|
|
|
switch (rule->flow_type & ~FLOW_EXT) {
|
|
case TCP_V4_FLOW:
|
|
gfar_set_parse_bits(RQFPR_IPV4 | RQFPR_TCP | vlan,
|
|
RQFPR_IPV4 | RQFPR_TCP | vlan_mask, tab);
|
|
gfar_set_basic_ip(&rule->h_u.tcp_ip4_spec,
|
|
&rule->m_u.tcp_ip4_spec, tab);
|
|
break;
|
|
case UDP_V4_FLOW:
|
|
gfar_set_parse_bits(RQFPR_IPV4 | RQFPR_UDP | vlan,
|
|
RQFPR_IPV4 | RQFPR_UDP | vlan_mask, tab);
|
|
gfar_set_basic_ip(&rule->h_u.udp_ip4_spec,
|
|
&rule->m_u.udp_ip4_spec, tab);
|
|
break;
|
|
case SCTP_V4_FLOW:
|
|
gfar_set_parse_bits(RQFPR_IPV4 | vlan, RQFPR_IPV4 | vlan_mask,
|
|
tab);
|
|
gfar_set_attribute(132, 0, RQFCR_PID_L4P, tab);
|
|
gfar_set_basic_ip((struct ethtool_tcpip4_spec *)&rule->h_u,
|
|
(struct ethtool_tcpip4_spec *)&rule->m_u,
|
|
tab);
|
|
break;
|
|
case IP_USER_FLOW:
|
|
gfar_set_parse_bits(RQFPR_IPV4 | vlan, RQFPR_IPV4 | vlan_mask,
|
|
tab);
|
|
gfar_set_user_ip((struct ethtool_usrip4_spec *) &rule->h_u,
|
|
(struct ethtool_usrip4_spec *) &rule->m_u,
|
|
tab);
|
|
break;
|
|
case ETHER_FLOW:
|
|
if (vlan)
|
|
gfar_set_parse_bits(vlan, vlan_mask, tab);
|
|
gfar_set_ether((struct ethhdr *) &rule->h_u,
|
|
(struct ethhdr *) &rule->m_u, tab);
|
|
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;
|
|
}
|
|
|
|
/* In rare cases the cache can be full while there is
|
|
* free space in hw
|
|
*/
|
|
if (tab->index > MAX_FILER_CACHE_IDX - 1)
|
|
return -EBUSY;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* Write the bit-pattern from software's buffer to hardware registers */
|
|
static int gfar_write_filer_table(struct gfar_private *priv,
|
|
struct filer_table *tab)
|
|
{
|
|
u32 i = 0;
|
|
if (tab->index > MAX_FILER_IDX - 1)
|
|
return -EBUSY;
|
|
|
|
/* Fill regular entries */
|
|
for (; i < MAX_FILER_IDX && (tab->fe[i].ctrl | tab->fe[i].prop); i++)
|
|
gfar_write_filer(priv, i, tab->fe[i].ctrl, tab->fe[i].prop);
|
|
/* Fill the rest with fall-troughs */
|
|
for (; i < MAX_FILER_IDX; i++)
|
|
gfar_write_filer(priv, i, 0x60, 0xFFFFFFFF);
|
|
/* Last entry must be default accept
|
|
* because that's what people expect
|
|
*/
|
|
gfar_write_filer(priv, i, 0x20, 0x0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int gfar_check_capability(struct ethtool_rx_flow_spec *flow,
|
|
struct gfar_private *priv)
|
|
{
|
|
|
|
if (flow->flow_type & FLOW_EXT) {
|
|
if (~flow->m_ext.data[0] || ~flow->m_ext.data[1])
|
|
netdev_warn(priv->ndev,
|
|
"User-specific data not supported!\n");
|
|
if (~flow->m_ext.vlan_etype)
|
|
netdev_warn(priv->ndev,
|
|
"VLAN-etype not supported!\n");
|
|
}
|
|
if (flow->flow_type == IP_USER_FLOW)
|
|
if (flow->h_u.usr_ip4_spec.ip_ver != ETH_RX_NFC_IP4)
|
|
netdev_warn(priv->ndev,
|
|
"IP-Version differing from IPv4 not supported!\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int gfar_process_filer_changes(struct gfar_private *priv)
|
|
{
|
|
struct ethtool_flow_spec_container *j;
|
|
struct filer_table *tab;
|
|
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
|
|
* filer tables binary format
|
|
*/
|
|
list_for_each_entry(j, &priv->rx_list.list, list) {
|
|
ret = gfar_convert_to_filer(&j->fs, tab);
|
|
if (ret == -EBUSY) {
|
|
netdev_err(priv->ndev,
|
|
"Rule not added: No free space!\n");
|
|
goto end;
|
|
}
|
|
if (ret == -1) {
|
|
netdev_err(priv->ndev,
|
|
"Rule not added: Unsupported Flow-type!\n");
|
|
goto end;
|
|
}
|
|
}
|
|
|
|
/* 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;
|
|
}
|
|
|
|
end:
|
|
kfree(tab);
|
|
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 ^= cpu_to_be16(0xFFFF);
|
|
flow->m_ext.vlan_tci ^= cpu_to_be16(0xFFFF);
|
|
flow->m_ext.data[0] ^= cpu_to_be32(~0);
|
|
flow->m_ext.data[1] ^= cpu_to_be32(~0);
|
|
}
|
|
|
|
static int gfar_add_cls(struct gfar_private *priv,
|
|
struct ethtool_rx_flow_spec *flow)
|
|
{
|
|
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,
|
|
"Rule not added: ID %d not free!\n",
|
|
flow->location);
|
|
ret = -EBUSY;
|
|
goto clean_mem;
|
|
}
|
|
}
|
|
list_add_tail(&temp->list, &priv->rx_list.list);
|
|
}
|
|
|
|
process:
|
|
priv->rx_list.count++;
|
|
ret = gfar_process_filer_changes(priv);
|
|
if (ret)
|
|
goto clean_list;
|
|
return ret;
|
|
|
|
clean_list:
|
|
priv->rx_list.count--;
|
|
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,
|
|
struct ethtool_rxnfc *cmd, u32 *rule_locs)
|
|
{
|
|
struct ethtool_flow_spec_container *comp;
|
|
u32 i = 0;
|
|
|
|
list_for_each_entry(comp, &priv->rx_list.list, list) {
|
|
if (i == cmd->rule_cnt)
|
|
return -EMSGSIZE;
|
|
rule_locs[i] = comp->fs.location;
|
|
i++;
|
|
}
|
|
|
|
cmd->data = MAX_FILER_IDX;
|
|
cmd->rule_cnt = i;
|
|
|
|
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;
|
|
|
|
if (test_bit(GFAR_RESETTING, &priv->state))
|
|
return -EBUSY;
|
|
|
|
mutex_lock(&priv->rx_queue_access);
|
|
|
|
switch (cmd->cmd) {
|
|
case ETHTOOL_SRXFH:
|
|
ret = gfar_set_hash_opts(priv, cmd);
|
|
break;
|
|
case ETHTOOL_SRXCLSRLINS:
|
|
if ((cmd->fs.ring_cookie != RX_CLS_FLOW_DISC &&
|
|
cmd->fs.ring_cookie >= priv->num_rx_queues) ||
|
|
cmd->fs.location >= MAX_FILER_IDX) {
|
|
ret = -EINVAL;
|
|
break;
|
|
}
|
|
ret = gfar_add_cls(priv, &cmd->fs);
|
|
break;
|
|
case ETHTOOL_SRXCLSRLDEL:
|
|
ret = gfar_del_cls(priv, cmd->fs.location);
|
|
break;
|
|
default:
|
|
ret = -EINVAL;
|
|
}
|
|
|
|
mutex_unlock(&priv->rx_queue_access);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int gfar_get_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
|
|
u32 *rule_locs)
|
|
{
|
|
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:
|
|
ret = gfar_get_cls_all(priv, cmd, rule_locs);
|
|
break;
|
|
default:
|
|
ret = -EINVAL;
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
int gfar_phc_index = -1;
|
|
EXPORT_SYMBOL(gfar_phc_index);
|
|
|
|
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)) {
|
|
info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE |
|
|
SOF_TIMESTAMPING_SOFTWARE;
|
|
info->phc_index = -1;
|
|
return 0;
|
|
}
|
|
info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE |
|
|
SOF_TIMESTAMPING_RX_HARDWARE |
|
|
SOF_TIMESTAMPING_RAW_HARDWARE;
|
|
info->phc_index = gfar_phc_index;
|
|
info->tx_types = (1 << HWTSTAMP_TX_OFF) |
|
|
(1 << HWTSTAMP_TX_ON);
|
|
info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
|
|
(1 << HWTSTAMP_FILTER_ALL);
|
|
return 0;
|
|
}
|
|
|
|
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_pauseparam = gfar_gpauseparam,
|
|
.set_pauseparam = gfar_spauseparam,
|
|
.get_strings = gfar_gstrings,
|
|
.get_sset_count = gfar_sset_count,
|
|
.get_ethtool_stats = gfar_fill_stats,
|
|
.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,
|
|
.get_rxnfc = gfar_get_nfc,
|
|
.get_ts_info = gfar_get_ts_info,
|
|
};
|