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Message-ID: <307321.62805.qm@web38502.mail.mud.yahoo.com>
Date: Wed, 7 Feb 2007 10:04:27 -0800 (PST)
From: Levitsky Maxim <maximlevitsky@...oo.com>
To: linux-kernel@...r.kernel.org
Subject: Re: [PATCH] [NET] dmfe : number of fixes and features
From: Maxim Levitsky <maximlevitsky@...oo.com>
Subject: [PATCH] [NET] [005] dmfe : Add support for wake-on-lan
Adds support for wake on lan feature
Signed-off-by: Maxim Levitsky <maximlevitsky@...oo.com>
---
This board supports WOL on magic packet / link change / specific packet
This adds support for WOL on magic packet / link change
Note : WOL is enabled when you suspend system ether to disk or ram, and is not enabled when you
turn system off
--- linux-2.6.20-mod/drivers/net/tulip/dmfe.c 2007-02-07 18:53:19.000000000 +0200
+++ linux-2.6.20-test/drivers/net/tulip/dmfe.c 2007-02-07 18:55:44.000000000 +0200
@@ -122,6 +122,11 @@
#define DM9801_NOISE_FLOOR 8
#define DM9802_NOISE_FLOOR 5
+#define DMFE_WOL_LINKCHANGE 0x20000000
+#define DMFE_WOL_SAMPLEPACKET 0x10000000
+#define DMFE_WOL_MAGICPACKET 0x08000000
+
+
#define DMFE_10MHF 0
#define DMFE_100MHF 1
#define DMFE_10MFD 4
@@ -242,6 +247,7 @@ struct dmfe_board_info {
u8 wait_reset; /* Hardware failed, need to reset */
u8 dm910x_chk_mode; /* Operating mode check */
u8 first_in_callback; /* Flag to record state */
+ u8 wol_mode; /* user WOL settings */
struct timer_list timer;
/* System defined statistic counter */
@@ -423,6 +429,7 @@ static int __devinit dmfe_init_one (stru
db->chip_id = ent->driver_data;
db->ioaddr = pci_resource_start(pdev, 0);
db->chip_revision = dev_rev;
+ db->wol_mode = 0;
db->pdev = pdev;
@@ -1054,7 +1061,11 @@ static void dmfe_set_filter_mode(struct
spin_unlock_irqrestore(&db->lock, flags);
}
-static void netdev_get_drvinfo(struct net_device *dev,
+/*
+ * Ethtool interace
+ */
+
+static void dmfe_ethtool_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *info)
{
struct dmfe_board_info *np = netdev_priv(dev);
@@ -1068,9 +1079,35 @@ static void netdev_get_drvinfo(struct ne
dev->base_addr, dev->irq);
}
+static int dmfe_ethtool_set_wol(struct net_device *dev,
+ struct ethtool_wolinfo *wolinfo)
+{
+ struct dmfe_board_info *db = netdev_priv(dev);
+
+ if (wolinfo->wolopts & (WAKE_UCAST | WAKE_MCAST | WAKE_BCAST |
+ WAKE_ARP | WAKE_MAGICSECURE))
+ return -EOPNOTSUPP;
+
+ db->wol_mode = wolinfo->wolopts;
+ return 0;
+}
+
+static void dmfe_ethtool_get_wol(struct net_device *dev,
+ struct ethtool_wolinfo *wolinfo)
+{
+ struct dmfe_board_info *db = netdev_priv(dev);
+
+ wolinfo->supported = WAKE_PHY | WAKE_MAGIC;
+ wolinfo->wolopts = db->wol_mode;
+ return;
+}
+
+
static const struct ethtool_ops netdev_ethtool_ops = {
- .get_drvinfo = netdev_get_drvinfo,
+ .get_drvinfo = dmfe_ethtool_get_drvinfo,
.get_link = ethtool_op_get_link,
+ .set_wol = dmfe_ethtool_set_wol,
+ .get_wol = dmfe_ethtool_get_wol,
};
/*
@@ -2046,6 +2083,20 @@ static int dmfe_suspend(struct pci_dev *
/* Fre RX buffers */
dmfe_free_rxbuffer(db);
+ /* Enable WOL */
+ pci_read_config_dword(pci_dev, 0x40, &tmp);
+ tmp &= ~(WAKE_PHY|WAKE_MAGIC);
+
+ if (db->wol_mode & WAKE_PHY)
+ tmp |= DMFE_WOL_LINKCHANGE;
+ if (db->wol_mode & WAKE_MAGIC)
+ tmp |= DMFE_WOL_MAGICPACKET;
+
+ pci_write_config_dword(pci_dev, 0x40, tmp);
+
+ pci_enable_wake(pci_dev, PCI_D3hot, 1);
+ pci_enable_wake(pci_dev, PCI_D3cold, 1);
+
/* Power down device*/
pci_set_power_state(pci_dev , pci_choose_state(pci_dev,state));
pci_save_state(pci_dev);
@@ -2064,6 +2115,15 @@ static int dmfe_resume(struct pci_dev *p
/* Re-initilize DM910X board */
dmfe_init_dm910x(dev);
+ /* Disable WOL */
+ pci_read_config_dword(pci_dev, 0x40, &tmp);
+
+ tmp &= (DMFE_WOL_LINKCHANGE | DMFE_WOL_MAGICPACKET);
+ pci_write_config_dword(pci_dev, 0x40, tmp);
+
+ pci_enable_wake(pci_dev, PCI_D3hot, 0);
+ pci_enable_wake(pci_dev, PCI_D3cold, 0);
+
/* Restart upper layer interface */
netif_device_attach(dev);
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