[net-next-2.6.git] / drivers / net / ucc_geth_ethtool.c

/*
 * 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 setttings 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/init.h>
#include <linux/errno.h>
#include <linux/slab.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 <asm/uaccess.h>
#include <asm/types.h>

#include "ucc_geth.h"

static 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 char tx_fw_stat_gstrings[][ETH_GSTRING_LEN] = {
	"tx-single-collision",
	"tx-multiple-collision",
	"tx-late-collsion",
	"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 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_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
{
	struct ucc_geth_private *ugeth = netdev_priv(netdev);
	struct phy_device *phydev = ugeth->phydev;
	struct ucc_geth_info *ug_info = ugeth->ug_info;

	if (!phydev)
		return -ENODEV;

	ecmd->maxtxpkt = 1;
	ecmd->maxrxpkt = ug_info->interruptcoalescingmaxvalue[0];

	return phy_ethtool_gset(phydev, ecmd);
}

static int
uec_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
{
	struct ucc_geth_private *ugeth = netdev_priv(netdev);
	struct phy_device *phydev = ugeth->phydev;

	if (!phydev)
		return -ENODEV;

	return phy_ethtool_sset(phydev, ecmd);
}

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 */
			printk(KERN_INFO
				"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) {
		printk("%s: RxBD ring size must be no smaller than %d.\n",
			       	netdev->name, UCC_GETH_RX_BD_RING_SIZE_MIN);
		return -EINVAL;
	}
	if (ring->rx_pending % UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT) {
		printk("%s: RxBD ring size must be multiple of %d.\n",
			netdev->name, UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT);
		return -EINVAL;
	}
	if (ring->tx_pending < UCC_GETH_TX_BD_RING_SIZE_MIN) {
		printk("%s: TxBD ring size must be no smaller than %d.\n",
				netdev->name, UCC_GETH_TX_BD_RING_SIZE_MIN);
		return -EINVAL;
	}

	ug_info->bdRingLenRx[queue] = ring->rx_pending;
	ug_info->bdRingLenTx[queue] = ring->tx_pending;

	if (netif_running(netdev)) {
		/* FIXME: restart automatically */
		printk(KERN_INFO
			"Please re-open the interface.\n");
	}

	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;
	}
}

static int uec_nway_reset(struct net_device *netdev)
{
	struct ucc_geth_private *ugeth = netdev_priv(netdev);

	return phy_start_aneg(ugeth->phydev);
}

/* Report driver information */
static void
uec_get_drvinfo(struct net_device *netdev,
                       struct ethtool_drvinfo *drvinfo)
{
	strncpy(drvinfo->driver, DRV_NAME, 32);
	strncpy(drvinfo->version, DRV_VERSION, 32);
	strncpy(drvinfo->fw_version, "N/A", 32);
	strncpy(drvinfo->bus_info, "QUICC ENGINE", 32);
	drvinfo->eedump_len = 0;
	drvinfo->regdump_len = uec_get_regs_len(netdev);
}

#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_settings           = uec_get_settings,
	.set_settings           = uec_set_settings,
	.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             = uec_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,
	.set_sg                 = ethtool_op_set_sg,
	.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,
};

void uec_set_ethtool_ops(struct net_device *netdev)
{
	SET_ETHTOOL_OPS(netdev, &uec_ethtool_ops);
}
Commit	Line	Data
ac421852 LY	1	/*
	2	* Copyright (c) 2007 Freescale Semiconductor, Inc. All rights reserved.
	3	*
	4	* Description: QE UCC Gigabit Ethernet Ethtool API Set
	5	*
	6	* Author: Li Yang <leoli@freescale.com>
	7	*
7d2e3cb7	8	* Limitation:
ac421852	9	* Can only get/set setttings of the first queue.
98a1708d	10	* Need to re-open the interface manually after changing some parameters.
ac421852 LY	11	*
	12	* This program is free software; you can redistribute it and/or modify it
	13	* under the terms of the GNU General Public License as published by the
	14	* Free Software Foundation; either version 2 of the License, or (at your
	15	* option) any later version.
	16	*/
	17
	18	#include <linux/kernel.h>
	19	#include <linux/init.h>
	20	#include <linux/errno.h>
	21	#include <linux/slab.h>
	22	#include <linux/stddef.h>
	23	#include <linux/interrupt.h>
	24	#include <linux/netdevice.h>
	25	#include <linux/etherdevice.h>
	26	#include <linux/skbuff.h>
	27	#include <linux/spinlock.h>
	28	#include <linux/mm.h>
	29	#include <linux/delay.h>
	30	#include <linux/dma-mapping.h>
ac421852 LY	31	#include <linux/ethtool.h>
	32	#include <linux/mii.h>
	33	#include <linux/phy.h>
	34
	35	#include <asm/io.h>
	36	#include <asm/irq.h>
	37	#include <asm/uaccess.h>
	38	#include <asm/types.h>
ac421852 LY	39
ac421852 LY	40	#include "ucc_geth.h"
ac421852 LY	41
	42	static char hw_stat_gstrings[][ETH_GSTRING_LEN] = {
	43	"tx-64-frames",
	44	"tx-65-127-frames",
	45	"tx-128-255-frames",
	46	"rx-64-frames",
	47	"rx-65-127-frames",
	48	"rx-128-255-frames",
	49	"tx-bytes-ok",
	50	"tx-pause-frames",
	51	"tx-multicast-frames",
	52	"tx-broadcast-frames",
	53	"rx-frames",
	54	"rx-bytes-ok",
	55	"rx-bytes-all",
	56	"rx-multicast-frames",
	57	"rx-broadcast-frames",
	58	"stats-counter-carry",
	59	"stats-counter-mask",
	60	"rx-dropped-frames",
	61	};
	62
	63	static char tx_fw_stat_gstrings[][ETH_GSTRING_LEN] = {
	64	"tx-single-collision",
	65	"tx-multiple-collision",
	66	"tx-late-collsion",
	67	"tx-aborted-frames",
	68	"tx-lost-frames",
	69	"tx-carrier-sense-errors",
	70	"tx-frames-ok",
	71	"tx-excessive-differ-frames",
	72	"tx-256-511-frames",
08722bc4	73	"tx-512-1023-frames",
ac421852 LY	74	"tx-1024-1518-frames",
	75	"tx-jumbo-frames",
	76	};
	77
	78	static char rx_fw_stat_gstrings[][ETH_GSTRING_LEN] = {
	79	"rx-crc-errors",
	80	"rx-alignment-errors",
	81	"rx-in-range-length-errors",
	82	"rx-out-of-range-length-errors",
	83	"rx-too-long-frames",
	84	"rx-runt",
	85	"rx-very-long-event",
	86	"rx-symbol-errors",
	87	"rx-busy-drop-frames",
	88	"reserved",
	89	"reserved",
	90	"rx-mismatch-drop-frames",
	91	"rx-small-than-64",
	92	"rx-256-511-frames",
	93	"rx-512-1023-frames",
	94	"rx-1024-1518-frames",
	95	"rx-jumbo-frames",
	96	"rx-mac-error-loss",
	97	"rx-pause-frames",
	98	"reserved",
	99	"rx-vlan-removed",
	100	"rx-vlan-replaced",
	101	"rx-vlan-inserted",
	102	"rx-ip-checksum-errors",
	103	};
	104
	105	#define UEC_HW_STATS_LEN ARRAY_SIZE(hw_stat_gstrings)
	106	#define UEC_TX_FW_STATS_LEN ARRAY_SIZE(tx_fw_stat_gstrings)
	107	#define UEC_RX_FW_STATS_LEN ARRAY_SIZE(rx_fw_stat_gstrings)
	108
ac421852 LY	109	static int
	110	uec_get_settings(struct net_device netdev, struct ethtool_cmd ecmd)
	111	{
	112	struct ucc_geth_private *ugeth = netdev_priv(netdev);
	113	struct phy_device *phydev = ugeth->phydev;
	114	struct ucc_geth_info *ug_info = ugeth->ug_info;
	115
	116	if (!phydev)
	117	return -ENODEV;
	118
	119	ecmd->maxtxpkt = 1;
	120	ecmd->maxrxpkt = ug_info->interruptcoalescingmaxvalue[0];
	121
	122	return phy_ethtool_gset(phydev, ecmd);
	123	}
	124
	125	static int
	126	uec_set_settings(struct net_device netdev, struct ethtool_cmd ecmd)
	127	{
	128	struct ucc_geth_private *ugeth = netdev_priv(netdev);
	129	struct phy_device *phydev = ugeth->phydev;
	130
	131	if (!phydev)
	132	return -ENODEV;
	133
	134	return phy_ethtool_sset(phydev, ecmd);
	135	}
	136
	137	static void
	138	uec_get_pauseparam(struct net_device *netdev,
	139	struct ethtool_pauseparam *pause)
	140	{
	141	struct ucc_geth_private *ugeth = netdev_priv(netdev);
	142
	143	pause->autoneg = ugeth->phydev->autoneg;
	144
	145	if (ugeth->ug_info->receiveFlowControl)
	146	pause->rx_pause = 1;
	147	if (ugeth->ug_info->transmitFlowControl)
	148	pause->tx_pause = 1;
	149	}
	150
	151	static int
	152	uec_set_pauseparam(struct net_device *netdev,
	153	struct ethtool_pauseparam *pause)
	154	{
	155	struct ucc_geth_private *ugeth = netdev_priv(netdev);
	156	int ret = 0;
	157
	158	ugeth->ug_info->receiveFlowControl = pause->rx_pause;
	159	ugeth->ug_info->transmitFlowControl = pause->tx_pause;
7d2e3cb7	160
ac421852 LY	161	if (ugeth->phydev->autoneg) {
	162	if (netif_running(netdev)) {
	163	/* FIXME: automatically restart */
	164	printk(KERN_INFO
	165	"Please re-open the interface.\n");
	166	}
	167	} else {
	168	struct ucc_geth_info *ug_info = ugeth->ug_info;
	169
	170	ret = init_flow_control_params(ug_info->aufc,
	171	ug_info->receiveFlowControl,
	172	ug_info->transmitFlowControl,
	173	ug_info->pausePeriod,
	174	ug_info->extensionField,
	175	&ugeth->uccf->uf_regs->upsmr,
	176	&ugeth->ug_regs->uempr,
	177	&ugeth->ug_regs->maccfg1);
	178	}
	179
	180	return ret;
	181	}
	182
	183	static uint32_t
	184	uec_get_msglevel(struct net_device *netdev)
	185	{
	186	struct ucc_geth_private *ugeth = netdev_priv(netdev);
	187	return ugeth->msg_enable;
	188	}
	189
	190	static void
	191	uec_set_msglevel(struct net_device *netdev, uint32_t data)
	192	{
	193	struct ucc_geth_private *ugeth = netdev_priv(netdev);
	194	ugeth->msg_enable = data;
	195	}
	196
	197	static int
	198	uec_get_regs_len(struct net_device *netdev)
	199	{
	200	return sizeof(struct ucc_geth);
	201	}
	202
	203	static void
	204	uec_get_regs(struct net_device *netdev,
	205	struct ethtool_regs regs, void p)
	206	{
	207	int i;
	208	struct ucc_geth_private *ugeth = netdev_priv(netdev);
	209	u32 __iomem ug_regs = (u32 __iomem )ugeth->ug_regs;
	210	u32 *buff = p;
	211
	212	for (i = 0; i < sizeof(struct ucc_geth) / sizeof(u32); i++)
	213	buff[i] = in_be32(&ug_regs[i]);
	214	}
	215
	216	static void
	217	uec_get_ringparam(struct net_device *netdev,
	218	struct ethtool_ringparam *ring)
	219	{
	220	struct ucc_geth_private *ugeth = netdev_priv(netdev);
	221	struct ucc_geth_info *ug_info = ugeth->ug_info;
	222	int queue = 0;
	223
	224	ring->rx_max_pending = UCC_GETH_BD_RING_SIZE_MAX;
225	ring->rx_mini_max_pending = UCC_GETH_BD_RING_SIZE_MAX;
226	ring->rx_jumbo_max_pending = UCC_GETH_BD_RING_SIZE_MAX;
227	ring->tx_max_pending = UCC_GETH_BD_RING_SIZE_MAX;
228
229	ring->rx_pending = ug_info->bdRingLenRx[queue];
230	ring->rx_mini_pending = ug_info->bdRingLenRx[queue];
231	ring->rx_jumbo_pending = ug_info->bdRingLenRx[queue];
232	ring->tx_pending = ug_info->bdRingLenTx[queue];
233	}
234
235	static int
236	uec_set_ringparam(struct net_device *netdev,
237	struct ethtool_ringparam *ring)
238	{
239	struct ucc_geth_private *ugeth = netdev_priv(netdev);
240	struct ucc_geth_info *ug_info = ugeth->ug_info;
241	int queue = 0, ret = 0;
242
243	if (ring->rx_pending < UCC_GETH_RX_BD_RING_SIZE_MIN) {
244	printk("%s: RxBD ring size must be no smaller than %d.\n",
245	netdev->name, UCC_GETH_RX_BD_RING_SIZE_MIN);
246	return -EINVAL;
247	}
248	if (ring->rx_pending % UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT) {
249	printk("%s: RxBD ring size must be multiple of %d.\n",
250	netdev->name, UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT);
251	return -EINVAL;
252	}
253	if (ring->tx_pending < UCC_GETH_TX_BD_RING_SIZE_MIN) {
254	printk("%s: TxBD ring size must be no smaller than %d.\n",
255	netdev->name, UCC_GETH_TX_BD_RING_SIZE_MIN);
256	return -EINVAL;
257	}
258
259	ug_info->bdRingLenRx[queue] = ring->rx_pending;
260	ug_info->bdRingLenTx[queue] = ring->tx_pending;
261
262	if (netif_running(netdev)) {
263	/* FIXME: restart automatically */
264	printk(KERN_INFO
265	"Please re-open the interface.\n");
266	}
267
268	return ret;
269	}
270
b9f2c044	271	static int uec_get_sset_count(struct net_device *netdev, int sset)
ac421852 LY	272	{
	273	struct ucc_geth_private *ugeth = netdev_priv(netdev);
	274	u32 stats_mode = ugeth->ug_info->statisticsMode;
	275	int len = 0;
	276
b9f2c044 JG	277	switch (sset) {
	278	case ETH_SS_STATS:
	279	if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE)
	280	len += UEC_HW_STATS_LEN;
	281	if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX)
	282	len += UEC_TX_FW_STATS_LEN;
	283	if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX)
	284	len += UEC_RX_FW_STATS_LEN;
	285
	286	return len;
ac421852	287
b9f2c044 JG	288	default:
	289	return -EOPNOTSUPP;
	290	}
ac421852 LY	291	}
	292
	293	static void uec_get_strings(struct net_device netdev, u32 stringset, u8 buf)
	294	{
	295	struct ucc_geth_private *ugeth = netdev_priv(netdev);
	296	u32 stats_mode = ugeth->ug_info->statisticsMode;
	297
	298	if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE) {
	299	memcpy(buf, hw_stat_gstrings, UEC_HW_STATS_LEN *
	300	ETH_GSTRING_LEN);
	301	buf += UEC_HW_STATS_LEN * ETH_GSTRING_LEN;
	302	}
	303	if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) {
	304	memcpy(buf, tx_fw_stat_gstrings, UEC_TX_FW_STATS_LEN *
	305	ETH_GSTRING_LEN);
	306	buf += UEC_TX_FW_STATS_LEN * ETH_GSTRING_LEN;
	307	}
	308	if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX)
25f03dcf	309	memcpy(buf, rx_fw_stat_gstrings, UEC_RX_FW_STATS_LEN *
ac421852 LY	310	ETH_GSTRING_LEN);
	311	}
	312
	313	static void uec_get_ethtool_stats(struct net_device *netdev,
	314	struct ethtool_stats stats, uint64_t data)
	315	{
	316	struct ucc_geth_private *ugeth = netdev_priv(netdev);
	317	u32 stats_mode = ugeth->ug_info->statisticsMode;
	318	u32 __iomem *base;
	319	int i, j = 0;
	320
	321	if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE) {
e0ad2cd8 AV	322	if (ugeth->ug_regs)
	323	base = (u32 __iomem *)&ugeth->ug_regs->tx64;
	324	else
	325	base = NULL;
	326
ac421852	327	for (i = 0; i < UEC_HW_STATS_LEN; i++)
e0ad2cd8	328	data[j++] = base ? in_be32(&base[i]) : 0;
ac421852 LY	329	}
	330	if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) {
	331	base = (u32 __iomem *)ugeth->p_tx_fw_statistics_pram;
	332	for (i = 0; i < UEC_TX_FW_STATS_LEN; i++)
18acfa25	333	data[j++] = base ? in_be32(&base[i]) : 0;
ac421852 LY	334	}
	335	if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX) {
	336	base = (u32 __iomem *)ugeth->p_rx_fw_statistics_pram;
	337	for (i = 0; i < UEC_RX_FW_STATS_LEN; i++)
18acfa25	338	data[j++] = base ? in_be32(&base[i]) : 0;
ac421852 LY	339	}
	340	}
	341
	342	static int uec_nway_reset(struct net_device *netdev)
	343	{
	344	struct ucc_geth_private *ugeth = netdev_priv(netdev);
	345
	346	return phy_start_aneg(ugeth->phydev);
	347	}
	348
	349	/* Report driver information */
	350	static void
	351	uec_get_drvinfo(struct net_device *netdev,
	352	struct ethtool_drvinfo *drvinfo)
	353	{
	354	strncpy(drvinfo->driver, DRV_NAME, 32);
	355	strncpy(drvinfo->version, DRV_VERSION, 32);
	356	strncpy(drvinfo->fw_version, "N/A", 32);
	357	strncpy(drvinfo->bus_info, "QUICC ENGINE", 32);
ac421852 LY	358	drvinfo->eedump_len = 0;
	359	drvinfo->regdump_len = uec_get_regs_len(netdev);
	360	}
	361
2394905f AV	362	#ifdef CONFIG_PM
	363
	364	static void uec_get_wol(struct net_device netdev, struct ethtool_wolinfo wol)
	365	{
	366	struct ucc_geth_private *ugeth = netdev_priv(netdev);
	367	struct phy_device *phydev = ugeth->phydev;
	368
	369	if (phydev && phydev->irq)
	370	wol->supported \|= WAKE_PHY;
	371	if (qe_alive_during_sleep())
	372	wol->supported \|= WAKE_MAGIC;
	373
	374	wol->wolopts = ugeth->wol_en;
	375	}
	376
	377	static int uec_set_wol(struct net_device netdev, struct ethtool_wolinfo wol)
	378	{
	379	struct ucc_geth_private *ugeth = netdev_priv(netdev);
	380	struct phy_device *phydev = ugeth->phydev;
	381
	382	if (wol->wolopts & ~(WAKE_PHY \| WAKE_MAGIC))
	383	return -EINVAL;
	384	else if (wol->wolopts & WAKE_PHY && (!phydev \|\| !phydev->irq))
	385	return -EINVAL;
	386	else if (wol->wolopts & WAKE_MAGIC && !qe_alive_during_sleep())
	387	return -EINVAL;
	388
	389	ugeth->wol_en = wol->wolopts;
	390	device_set_wakeup_enable(&netdev->dev, ugeth->wol_en);
	391
	392	return 0;
	393	}
	394
	395	#else
	396	#define uec_get_wol NULL
	397	#define uec_set_wol NULL
	398	#endif /* CONFIG_PM */
	399
ac421852 LY	400	static const struct ethtool_ops uec_ethtool_ops = {
	401	.get_settings = uec_get_settings,
	402	.set_settings = uec_set_settings,
	403	.get_drvinfo = uec_get_drvinfo,
	404	.get_regs_len = uec_get_regs_len,
	405	.get_regs = uec_get_regs,
	406	.get_msglevel = uec_get_msglevel,
	407	.set_msglevel = uec_set_msglevel,
	408	.nway_reset = uec_nway_reset,
	409	.get_link = ethtool_op_get_link,
	410	.get_ringparam = uec_get_ringparam,
	411	.set_ringparam = uec_set_ringparam,
	412	.get_pauseparam = uec_get_pauseparam,
	413	.set_pauseparam = uec_set_pauseparam,
ac421852	414	.set_sg = ethtool_op_set_sg,
b9f2c044	415	.get_sset_count = uec_get_sset_count,
ac421852 LY	416	.get_strings = uec_get_strings,
ac421852 LY	417	.get_ethtool_stats = uec_get_ethtool_stats,
2394905f AV	418	.get_wol = uec_get_wol,
2394905f AV	419	.set_wol = uec_set_wol,
ac421852 LY	420	};
	421
	422	void uec_set_ethtool_ops(struct net_device *netdev)
	423	{
	424	SET_ETHTOOL_OPS(netdev, &uec_ethtool_ops);
	425	}