2007-02-07 18:35:28

by Levitsky Maxim

[permalink] [raw]
Subject: [PATCH] [NETDEV] [005] dmfe : Add support for wake-on-lan

From: Maxim Levitsky <[email protected]>
Subject: [PATCH] [NETDEV] [005] dmfe : Add support for wake-on-lan

Adds support for wake on lan feature

Signed-off-by: Maxim Levitsky <[email protected]>

---

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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