410 lines
11 KiB
C
Executable file
410 lines
11 KiB
C
Executable file
/*
|
|
* Copyright (c) 2007 Freescale Semiconductor, Inc. All rights reserved.
|
|
*
|
|
* Description: QE UCC Gigabit Ethernet Ethtool API Set
|
|
*
|
|
* Author: Li Yang <leoli@freescale.com>
|
|
*
|
|
* Limitation:
|
|
* Can only get/set settings of the first queue.
|
|
* Need to re-open the interface manually after changing some parameters.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License as published by the
|
|
* Free Software Foundation; either version 2 of the License, or (at your
|
|
* option) any later version.
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/errno.h>
|
|
#include <linux/stddef.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/netdevice.h>
|
|
#include <linux/etherdevice.h>
|
|
#include <linux/skbuff.h>
|
|
#include <linux/spinlock.h>
|
|
#include <linux/mm.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/dma-mapping.h>
|
|
#include <linux/ethtool.h>
|
|
#include <linux/mii.h>
|
|
#include <linux/phy.h>
|
|
|
|
#include <asm/io.h>
|
|
#include <asm/irq.h>
|
|
#include <linux/uaccess.h>
|
|
#include <asm/types.h>
|
|
|
|
#include "ucc_geth.h"
|
|
|
|
static const char hw_stat_gstrings[][ETH_GSTRING_LEN] = {
|
|
"tx-64-frames",
|
|
"tx-65-127-frames",
|
|
"tx-128-255-frames",
|
|
"rx-64-frames",
|
|
"rx-65-127-frames",
|
|
"rx-128-255-frames",
|
|
"tx-bytes-ok",
|
|
"tx-pause-frames",
|
|
"tx-multicast-frames",
|
|
"tx-broadcast-frames",
|
|
"rx-frames",
|
|
"rx-bytes-ok",
|
|
"rx-bytes-all",
|
|
"rx-multicast-frames",
|
|
"rx-broadcast-frames",
|
|
"stats-counter-carry",
|
|
"stats-counter-mask",
|
|
"rx-dropped-frames",
|
|
};
|
|
|
|
static const char tx_fw_stat_gstrings[][ETH_GSTRING_LEN] = {
|
|
"tx-single-collision",
|
|
"tx-multiple-collision",
|
|
"tx-late-collision",
|
|
"tx-aborted-frames",
|
|
"tx-lost-frames",
|
|
"tx-carrier-sense-errors",
|
|
"tx-frames-ok",
|
|
"tx-excessive-differ-frames",
|
|
"tx-256-511-frames",
|
|
"tx-512-1023-frames",
|
|
"tx-1024-1518-frames",
|
|
"tx-jumbo-frames",
|
|
};
|
|
|
|
static const char rx_fw_stat_gstrings[][ETH_GSTRING_LEN] = {
|
|
"rx-crc-errors",
|
|
"rx-alignment-errors",
|
|
"rx-in-range-length-errors",
|
|
"rx-out-of-range-length-errors",
|
|
"rx-too-long-frames",
|
|
"rx-runt",
|
|
"rx-very-long-event",
|
|
"rx-symbol-errors",
|
|
"rx-busy-drop-frames",
|
|
"reserved",
|
|
"reserved",
|
|
"rx-mismatch-drop-frames",
|
|
"rx-small-than-64",
|
|
"rx-256-511-frames",
|
|
"rx-512-1023-frames",
|
|
"rx-1024-1518-frames",
|
|
"rx-jumbo-frames",
|
|
"rx-mac-error-loss",
|
|
"rx-pause-frames",
|
|
"reserved",
|
|
"rx-vlan-removed",
|
|
"rx-vlan-replaced",
|
|
"rx-vlan-inserted",
|
|
"rx-ip-checksum-errors",
|
|
};
|
|
|
|
#define UEC_HW_STATS_LEN ARRAY_SIZE(hw_stat_gstrings)
|
|
#define UEC_TX_FW_STATS_LEN ARRAY_SIZE(tx_fw_stat_gstrings)
|
|
#define UEC_RX_FW_STATS_LEN ARRAY_SIZE(rx_fw_stat_gstrings)
|
|
|
|
static int
|
|
uec_get_ksettings(struct net_device *netdev, struct ethtool_link_ksettings *cmd)
|
|
{
|
|
struct ucc_geth_private *ugeth = netdev_priv(netdev);
|
|
struct phy_device *phydev = ugeth->phydev;
|
|
|
|
if (!phydev)
|
|
return -ENODEV;
|
|
|
|
phy_ethtool_ksettings_get(phydev, cmd);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
uec_set_ksettings(struct net_device *netdev,
|
|
const struct ethtool_link_ksettings *cmd)
|
|
{
|
|
struct ucc_geth_private *ugeth = netdev_priv(netdev);
|
|
struct phy_device *phydev = ugeth->phydev;
|
|
|
|
if (!phydev)
|
|
return -ENODEV;
|
|
|
|
return phy_ethtool_ksettings_set(phydev, cmd);
|
|
}
|
|
|
|
static void
|
|
uec_get_pauseparam(struct net_device *netdev,
|
|
struct ethtool_pauseparam *pause)
|
|
{
|
|
struct ucc_geth_private *ugeth = netdev_priv(netdev);
|
|
|
|
pause->autoneg = ugeth->phydev->autoneg;
|
|
|
|
if (ugeth->ug_info->receiveFlowControl)
|
|
pause->rx_pause = 1;
|
|
if (ugeth->ug_info->transmitFlowControl)
|
|
pause->tx_pause = 1;
|
|
}
|
|
|
|
static int
|
|
uec_set_pauseparam(struct net_device *netdev,
|
|
struct ethtool_pauseparam *pause)
|
|
{
|
|
struct ucc_geth_private *ugeth = netdev_priv(netdev);
|
|
int ret = 0;
|
|
|
|
ugeth->ug_info->receiveFlowControl = pause->rx_pause;
|
|
ugeth->ug_info->transmitFlowControl = pause->tx_pause;
|
|
|
|
if (ugeth->phydev->autoneg) {
|
|
if (netif_running(netdev)) {
|
|
/* FIXME: automatically restart */
|
|
netdev_info(netdev, "Please re-open the interface\n");
|
|
}
|
|
} else {
|
|
struct ucc_geth_info *ug_info = ugeth->ug_info;
|
|
|
|
ret = init_flow_control_params(ug_info->aufc,
|
|
ug_info->receiveFlowControl,
|
|
ug_info->transmitFlowControl,
|
|
ug_info->pausePeriod,
|
|
ug_info->extensionField,
|
|
&ugeth->uccf->uf_regs->upsmr,
|
|
&ugeth->ug_regs->uempr,
|
|
&ugeth->ug_regs->maccfg1);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static uint32_t
|
|
uec_get_msglevel(struct net_device *netdev)
|
|
{
|
|
struct ucc_geth_private *ugeth = netdev_priv(netdev);
|
|
return ugeth->msg_enable;
|
|
}
|
|
|
|
static void
|
|
uec_set_msglevel(struct net_device *netdev, uint32_t data)
|
|
{
|
|
struct ucc_geth_private *ugeth = netdev_priv(netdev);
|
|
ugeth->msg_enable = data;
|
|
}
|
|
|
|
static int
|
|
uec_get_regs_len(struct net_device *netdev)
|
|
{
|
|
return sizeof(struct ucc_geth);
|
|
}
|
|
|
|
static void
|
|
uec_get_regs(struct net_device *netdev,
|
|
struct ethtool_regs *regs, void *p)
|
|
{
|
|
int i;
|
|
struct ucc_geth_private *ugeth = netdev_priv(netdev);
|
|
u32 __iomem *ug_regs = (u32 __iomem *)ugeth->ug_regs;
|
|
u32 *buff = p;
|
|
|
|
for (i = 0; i < sizeof(struct ucc_geth) / sizeof(u32); i++)
|
|
buff[i] = in_be32(&ug_regs[i]);
|
|
}
|
|
|
|
static void
|
|
uec_get_ringparam(struct net_device *netdev,
|
|
struct ethtool_ringparam *ring)
|
|
{
|
|
struct ucc_geth_private *ugeth = netdev_priv(netdev);
|
|
struct ucc_geth_info *ug_info = ugeth->ug_info;
|
|
int queue = 0;
|
|
|
|
ring->rx_max_pending = UCC_GETH_BD_RING_SIZE_MAX;
|
|
ring->rx_mini_max_pending = UCC_GETH_BD_RING_SIZE_MAX;
|
|
ring->rx_jumbo_max_pending = UCC_GETH_BD_RING_SIZE_MAX;
|
|
ring->tx_max_pending = UCC_GETH_BD_RING_SIZE_MAX;
|
|
|
|
ring->rx_pending = ug_info->bdRingLenRx[queue];
|
|
ring->rx_mini_pending = ug_info->bdRingLenRx[queue];
|
|
ring->rx_jumbo_pending = ug_info->bdRingLenRx[queue];
|
|
ring->tx_pending = ug_info->bdRingLenTx[queue];
|
|
}
|
|
|
|
static int
|
|
uec_set_ringparam(struct net_device *netdev,
|
|
struct ethtool_ringparam *ring)
|
|
{
|
|
struct ucc_geth_private *ugeth = netdev_priv(netdev);
|
|
struct ucc_geth_info *ug_info = ugeth->ug_info;
|
|
int queue = 0, ret = 0;
|
|
|
|
if (ring->rx_pending < UCC_GETH_RX_BD_RING_SIZE_MIN) {
|
|
netdev_info(netdev, "RxBD ring size must be no smaller than %d\n",
|
|
UCC_GETH_RX_BD_RING_SIZE_MIN);
|
|
return -EINVAL;
|
|
}
|
|
if (ring->rx_pending % UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT) {
|
|
netdev_info(netdev, "RxBD ring size must be multiple of %d\n",
|
|
UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT);
|
|
return -EINVAL;
|
|
}
|
|
if (ring->tx_pending < UCC_GETH_TX_BD_RING_SIZE_MIN) {
|
|
netdev_info(netdev, "TxBD ring size must be no smaller than %d\n",
|
|
UCC_GETH_TX_BD_RING_SIZE_MIN);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (netif_running(netdev))
|
|
return -EBUSY;
|
|
|
|
ug_info->bdRingLenRx[queue] = ring->rx_pending;
|
|
ug_info->bdRingLenTx[queue] = ring->tx_pending;
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int uec_get_sset_count(struct net_device *netdev, int sset)
|
|
{
|
|
struct ucc_geth_private *ugeth = netdev_priv(netdev);
|
|
u32 stats_mode = ugeth->ug_info->statisticsMode;
|
|
int len = 0;
|
|
|
|
switch (sset) {
|
|
case ETH_SS_STATS:
|
|
if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE)
|
|
len += UEC_HW_STATS_LEN;
|
|
if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX)
|
|
len += UEC_TX_FW_STATS_LEN;
|
|
if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX)
|
|
len += UEC_RX_FW_STATS_LEN;
|
|
|
|
return len;
|
|
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
}
|
|
|
|
static void uec_get_strings(struct net_device *netdev, u32 stringset, u8 *buf)
|
|
{
|
|
struct ucc_geth_private *ugeth = netdev_priv(netdev);
|
|
u32 stats_mode = ugeth->ug_info->statisticsMode;
|
|
|
|
if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE) {
|
|
memcpy(buf, hw_stat_gstrings, UEC_HW_STATS_LEN *
|
|
ETH_GSTRING_LEN);
|
|
buf += UEC_HW_STATS_LEN * ETH_GSTRING_LEN;
|
|
}
|
|
if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) {
|
|
memcpy(buf, tx_fw_stat_gstrings, UEC_TX_FW_STATS_LEN *
|
|
ETH_GSTRING_LEN);
|
|
buf += UEC_TX_FW_STATS_LEN * ETH_GSTRING_LEN;
|
|
}
|
|
if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX)
|
|
memcpy(buf, rx_fw_stat_gstrings, UEC_RX_FW_STATS_LEN *
|
|
ETH_GSTRING_LEN);
|
|
}
|
|
|
|
static void uec_get_ethtool_stats(struct net_device *netdev,
|
|
struct ethtool_stats *stats, uint64_t *data)
|
|
{
|
|
struct ucc_geth_private *ugeth = netdev_priv(netdev);
|
|
u32 stats_mode = ugeth->ug_info->statisticsMode;
|
|
u32 __iomem *base;
|
|
int i, j = 0;
|
|
|
|
if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE) {
|
|
if (ugeth->ug_regs)
|
|
base = (u32 __iomem *)&ugeth->ug_regs->tx64;
|
|
else
|
|
base = NULL;
|
|
|
|
for (i = 0; i < UEC_HW_STATS_LEN; i++)
|
|
data[j++] = base ? in_be32(&base[i]) : 0;
|
|
}
|
|
if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) {
|
|
base = (u32 __iomem *)ugeth->p_tx_fw_statistics_pram;
|
|
for (i = 0; i < UEC_TX_FW_STATS_LEN; i++)
|
|
data[j++] = base ? in_be32(&base[i]) : 0;
|
|
}
|
|
if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX) {
|
|
base = (u32 __iomem *)ugeth->p_rx_fw_statistics_pram;
|
|
for (i = 0; i < UEC_RX_FW_STATS_LEN; i++)
|
|
data[j++] = base ? in_be32(&base[i]) : 0;
|
|
}
|
|
}
|
|
|
|
/* Report driver information */
|
|
static void
|
|
uec_get_drvinfo(struct net_device *netdev,
|
|
struct ethtool_drvinfo *drvinfo)
|
|
{
|
|
strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
|
|
strlcpy(drvinfo->version, DRV_VERSION, sizeof(drvinfo->version));
|
|
strlcpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version));
|
|
strlcpy(drvinfo->bus_info, "QUICC ENGINE", sizeof(drvinfo->bus_info));
|
|
}
|
|
|
|
#ifdef CONFIG_PM
|
|
|
|
static void uec_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
|
|
{
|
|
struct ucc_geth_private *ugeth = netdev_priv(netdev);
|
|
struct phy_device *phydev = ugeth->phydev;
|
|
|
|
if (phydev && phydev->irq)
|
|
wol->supported |= WAKE_PHY;
|
|
if (qe_alive_during_sleep())
|
|
wol->supported |= WAKE_MAGIC;
|
|
|
|
wol->wolopts = ugeth->wol_en;
|
|
}
|
|
|
|
static int uec_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
|
|
{
|
|
struct ucc_geth_private *ugeth = netdev_priv(netdev);
|
|
struct phy_device *phydev = ugeth->phydev;
|
|
|
|
if (wol->wolopts & ~(WAKE_PHY | WAKE_MAGIC))
|
|
return -EINVAL;
|
|
else if (wol->wolopts & WAKE_PHY && (!phydev || !phydev->irq))
|
|
return -EINVAL;
|
|
else if (wol->wolopts & WAKE_MAGIC && !qe_alive_during_sleep())
|
|
return -EINVAL;
|
|
|
|
ugeth->wol_en = wol->wolopts;
|
|
device_set_wakeup_enable(&netdev->dev, ugeth->wol_en);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#else
|
|
#define uec_get_wol NULL
|
|
#define uec_set_wol NULL
|
|
#endif /* CONFIG_PM */
|
|
|
|
static const struct ethtool_ops uec_ethtool_ops = {
|
|
.get_drvinfo = uec_get_drvinfo,
|
|
.get_regs_len = uec_get_regs_len,
|
|
.get_regs = uec_get_regs,
|
|
.get_msglevel = uec_get_msglevel,
|
|
.set_msglevel = uec_set_msglevel,
|
|
.nway_reset = phy_ethtool_nway_reset,
|
|
.get_link = ethtool_op_get_link,
|
|
.get_ringparam = uec_get_ringparam,
|
|
.set_ringparam = uec_set_ringparam,
|
|
.get_pauseparam = uec_get_pauseparam,
|
|
.set_pauseparam = uec_set_pauseparam,
|
|
.get_sset_count = uec_get_sset_count,
|
|
.get_strings = uec_get_strings,
|
|
.get_ethtool_stats = uec_get_ethtool_stats,
|
|
.get_wol = uec_get_wol,
|
|
.set_wol = uec_set_wol,
|
|
.get_ts_info = ethtool_op_get_ts_info,
|
|
.get_link_ksettings = uec_get_ksettings,
|
|
.set_link_ksettings = uec_set_ksettings,
|
|
};
|
|
|
|
void uec_set_ethtool_ops(struct net_device *netdev)
|
|
{
|
|
netdev->ethtool_ops = &uec_ethtool_ops;
|
|
}
|