1 // SPDX-License-Identifier: GPL-2.0-only
3  * Broadcom GENET (Gigabit Ethernet) Wake-on-LAN support
5  * Copyright (c) 2014-2020 Broadcom
37 /* ethtool function - get WOL (Wake on LAN) settings, Only Magic Packet
43 	struct device *kdev = &priv->pdev->dev;  in bcmgenet_get_wol()
45 	if (dev->phydev) {  in bcmgenet_get_wol()
46 		phy_ethtool_get_wol(dev->phydev, wol);  in bcmgenet_get_wol()
47 		if (wol->supported)  in bcmgenet_get_wol()
52 		wol->supported = 0;  in bcmgenet_get_wol()
53 		wol->wolopts = 0;  in bcmgenet_get_wol()
57 	wol->supported = WAKE_MAGIC | WAKE_MAGICSECURE | WAKE_FILTER;  in bcmgenet_get_wol()
58 	wol->wolopts = priv->wolopts;  in bcmgenet_get_wol()
59 	memset(wol->sopass, 0, sizeof(wol->sopass));  in bcmgenet_get_wol()
61 	if (wol->wolopts & WAKE_MAGICSECURE)  in bcmgenet_get_wol()
62 		memcpy(wol->sopass, priv->sopass, sizeof(priv->sopass));  in bcmgenet_get_wol()
65 /* ethtool function - set WOL (Wake on LAN) settings.
66  * Only for magic packet detection mode.
71 	struct device *kdev = &priv->pdev->dev;  in bcmgenet_set_wol()
74 	/* Try Wake-on-LAN from the PHY first */  in bcmgenet_set_wol()
75 	if (dev->phydev) {  in bcmgenet_set_wol()
76 		ret = phy_ethtool_set_wol(dev->phydev, wol);  in bcmgenet_set_wol()
77 		if (ret != -EOPNOTSUPP)  in bcmgenet_set_wol()
82 		return -ENOTSUPP;  in bcmgenet_set_wol()
84 	if (wol->wolopts & ~(WAKE_MAGIC | WAKE_MAGICSECURE | WAKE_FILTER))  in bcmgenet_set_wol()
85 		return -EINVAL;  in bcmgenet_set_wol()
87 	if (wol->wolopts & WAKE_MAGICSECURE)  in bcmgenet_set_wol()
88 		memcpy(priv->sopass, wol->sopass, sizeof(priv->sopass));  in bcmgenet_set_wol()
91 	if (wol->wolopts) {  in bcmgenet_set_wol()
94 		if (priv->wol_irq_disabled) {  in bcmgenet_set_wol()
95 			enable_irq_wake(priv->wol_irq);  in bcmgenet_set_wol()
96 			enable_irq_wake(priv->irq0);  in bcmgenet_set_wol()
98 		priv->wol_irq_disabled = false;  in bcmgenet_set_wol()
102 		if (!priv->wol_irq_disabled) {  in bcmgenet_set_wol()
103 			disable_irq_wake(priv->wol_irq);  in bcmgenet_set_wol()
104 			disable_irq_wake(priv->irq0);  in bcmgenet_set_wol()
106 		priv->wol_irq_disabled = true;  in bcmgenet_set_wol()
109 	priv->wolopts = wol->wolopts;  in bcmgenet_set_wol()
116 	struct net_device *dev = priv->dev;  in bcmgenet_poll_wol_status()
124 			return -ETIMEDOUT;  in bcmgenet_poll_wol_status()
134 	bcmgenet_umac_writel(priv, get_unaligned_be16(&priv->sopass[0]),  in bcmgenet_set_mpd_password()
136 	bcmgenet_umac_writel(priv, get_unaligned_be32(&priv->sopass[2]),  in bcmgenet_set_mpd_password()
143 	struct net_device *dev = priv->dev;  in bcmgenet_wol_power_down_cfg()
150 		return -EINVAL;  in bcmgenet_wol_power_down_cfg()
163 	if (priv->wolopts & (WAKE_MAGIC | WAKE_MAGICSECURE)) {  in bcmgenet_wol_power_down_cfg()
166 		if (priv->wolopts & WAKE_MAGICSECURE) {  in bcmgenet_wol_power_down_cfg()
174 	if (priv->wolopts & WAKE_FILTER) {  in bcmgenet_wol_power_down_cfg()
175 		list_for_each_entry(rule, &priv->rxnfc_list, list)  in bcmgenet_wol_power_down_cfg()
176 			if (rule->fs.ring_cookie == RX_CLS_FLOW_WAKE)  in bcmgenet_wol_power_down_cfg()
177 				hfb_enable |= (1 << rule->fs.location);  in bcmgenet_wol_power_down_cfg()
192 	netif_dbg(priv, wol, dev, "MPD WOL-ready status set after %d msec\n",  in bcmgenet_wol_power_down_cfg()
195 	clk_prepare_enable(priv->clk_wol);  in bcmgenet_wol_power_down_cfg()
196 	priv->wol_active = 1;  in bcmgenet_wol_power_down_cfg()
207 	priv->crc_fwd_en = 1;  in bcmgenet_wol_power_down_cfg()
229 		netif_err(priv, wol, priv->dev, "invalid mode: %d\n", mode);  in bcmgenet_wol_power_up_cfg()
233 	if (!priv->wol_active)  in bcmgenet_wol_power_up_cfg()
236 	priv->wol_active = 0;  in bcmgenet_wol_power_up_cfg()
237 	clk_disable_unprepare(priv->clk_wol);  in bcmgenet_wol_power_up_cfg()
238 	priv->crc_fwd_en = 0;  in bcmgenet_wol_power_up_cfg()
240 	/* Disable Magic Packet Detection */  in bcmgenet_wol_power_up_cfg()
241 	if (priv->wolopts & (WAKE_MAGIC | WAKE_MAGICSECURE)) {  in bcmgenet_wol_power_up_cfg()
250 	if (priv->wolopts & WAKE_FILTER) {  in bcmgenet_wol_power_up_cfg()