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Commit 21ff2e89 authored by hayeswang's avatar hayeswang Committed by David S. Miller
Browse files

r8152: support WOL 



Support WOL for RTL8152 and RTL8153.

Signed-off-by: default avatarHayes Wang <hayeswang@realtek.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 7e9da481

drivers/net/usb/r8152.c

+105 −13
Original line number Diff line number Diff line
@@ -23,7 +23,7 @@ 
#include <linux/ipv6.h>



/* Version Information */

#define DRIVER_VERSION "v1.04.0 (2014/01/15)"

#define DRIVER_VERSION "v1.05.0 (2014/02/18)"

#define DRIVER_AUTHOR "Realtek linux nic maintainers <nic_swsd@realtek.com>"

#define DRIVER_DESC "Realtek RTL8152/RTL8153 Based USB Ethernet Adapters"

#define MODULENAME "r8152"
@@ -62,6 +62,8 @@ 
#define PLA_RSTTELLY		0xe800

#define PLA_CR			0xe813

#define PLA_CRWECR		0xe81c

#define PLA_CONFIG12		0xe81e	/* CONFIG1, CONFIG2 */

#define PLA_CONFIG34		0xe820	/* CONFIG3, CONFIG4 */

#define PLA_CONFIG5		0xe822

#define PLA_PHY_PWR		0xe84c

#define PLA_OOB_CTRL		0xe84f
@@ -216,7 +218,14 @@ 
/* PAL_BDC_CR */

#define ALDPS_PROXY_MODE	0x0001



/* PLA_CONFIG34 */

#define LINK_ON_WAKE_EN		0x0010

#define LINK_OFF_WAKE_EN	0x0008



/* PLA_CONFIG5 */

#define BWF_EN			0x0040

#define MWF_EN			0x0020

#define UWF_EN			0x0010

#define LAN_WAKE_EN		0x0002



/* PLA_LED_FEATURE */
@@ -521,6 +530,7 @@ struct r8152 { 
	} rtl_ops;



	int intr_interval;

	u32 saved_wolopts;

	u32 msg_enable;

	u32 tx_qlen;

	u16 ocp_base;
@@ -1798,6 +1808,74 @@ static void r8152_power_cut_en(struct r8152 *tp, bool enable) 


}



#define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)



static u32 __rtl_get_wol(struct r8152 *tp)

{

	u32 ocp_data;

	u32 wolopts = 0;



	ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CONFIG5);

	if (!(ocp_data & LAN_WAKE_EN))

		return 0;



	ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34);

	if (ocp_data & LINK_ON_WAKE_EN)

		wolopts |= WAKE_PHY;



	ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG5);

	if (ocp_data & UWF_EN)

		wolopts |= WAKE_UCAST;

	if (ocp_data & BWF_EN)

		wolopts |= WAKE_BCAST;

	if (ocp_data & MWF_EN)

		wolopts |= WAKE_MCAST;



	ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL);

	if (ocp_data & MAGIC_EN)

		wolopts |= WAKE_MAGIC;



	return wolopts;

}



static void __rtl_set_wol(struct r8152 *tp, u32 wolopts)

{

	u32 ocp_data;



	ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG);



	ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34);

	ocp_data &= ~LINK_ON_WAKE_EN;

	if (wolopts & WAKE_PHY)

		ocp_data |= LINK_ON_WAKE_EN;

	ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG34, ocp_data);



	ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG5);

	ocp_data &= ~(UWF_EN | BWF_EN | MWF_EN | LAN_WAKE_EN);

	if (wolopts & WAKE_UCAST)

		ocp_data |= UWF_EN;

	if (wolopts & WAKE_BCAST)

		ocp_data |= BWF_EN;

	if (wolopts & WAKE_MCAST)

		ocp_data |= MWF_EN;

	if (wolopts & WAKE_ANY)

		ocp_data |= LAN_WAKE_EN;

	ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG5, ocp_data);



	ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);



	ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL);

	ocp_data &= ~MAGIC_EN;

	if (wolopts & WAKE_MAGIC)

		ocp_data |= MAGIC_EN;

	ocp_write_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL, ocp_data);



	if (wolopts & WAKE_ANY)

		device_set_wakeup_enable(&tp->udev->dev, true);

	else

		device_set_wakeup_enable(&tp->udev->dev, false);

}



static void rtl_phy_reset(struct r8152 *tp)

{

	u16 data;
@@ -2002,10 +2080,6 @@ static void r8152b_enter_oob(struct r8152 *tp) 


	ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8152_RMS);



	ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL);

	ocp_data |= MAGIC_EN;

	ocp_write_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL, ocp_data);



	ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CPCR);

	ocp_data |= CPCR_RX_VLAN;

	ocp_write_word(tp, MCU_TYPE_PLA, PLA_CPCR, ocp_data);
@@ -2018,8 +2092,6 @@ static void r8152b_enter_oob(struct r8152 *tp) 
	ocp_data |= NOW_IS_OOB | DIS_MCU_CLROOB;

	ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);



	ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CONFIG5, LAN_WAKE_EN);



	rxdy_gated_en(tp, false);



	ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
@@ -2217,10 +2289,6 @@ static void r8153_enter_oob(struct r8152 *tp) 


	ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8152_RMS);



	ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL);

	ocp_data |= MAGIC_EN;

	ocp_write_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL, ocp_data);



	ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG);

	ocp_data &= ~TEREDO_WAKE_MASK;

	ocp_write_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG, ocp_data);
@@ -2237,8 +2305,6 @@ static void r8153_enter_oob(struct r8152 *tp) 
	ocp_data |= NOW_IS_OOB | DIS_MCU_CLROOB;

	ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);



	ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CONFIG5, LAN_WAKE_EN);



	rxdy_gated_en(tp, false);



	ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
@@ -2652,6 +2718,24 @@ static int rtl8152_resume(struct usb_interface *intf) 
	return 0;

}



static void rtl8152_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)

{

	struct r8152 *tp = netdev_priv(dev);



	wol->supported = WAKE_ANY;

	wol->wolopts = __rtl_get_wol(tp);

}



static int rtl8152_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)

{

	struct r8152 *tp = netdev_priv(dev);



	__rtl_set_wol(tp, wol->wolopts);

	tp->saved_wolopts = wol->wolopts & WAKE_ANY;



	return 0;

}



static void rtl8152_get_drvinfo(struct net_device *netdev,

				struct ethtool_drvinfo *info)

{
@@ -2685,6 +2769,8 @@ static struct ethtool_ops ops = { 
	.get_settings = rtl8152_get_settings,

	.set_settings = rtl8152_set_settings,

	.get_link = ethtool_op_get_link,

	.get_wol = rtl8152_get_wol,

	.set_wol = rtl8152_set_wol,

};



static int rtl8152_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd)
@@ -2888,6 +2974,12 @@ static int rtl8152_probe(struct usb_interface *intf, 
		goto out1;

	}



	tp->saved_wolopts = __rtl_get_wol(tp);

	if (tp->saved_wolopts)

		device_set_wakeup_enable(&udev->dev, true);

	else

		device_set_wakeup_enable(&udev->dev, false);



	netif_info(tp, probe, netdev, "%s\n", DRIVER_VERSION);



	return 0;