[PATCH 92/48] libertas: add ethtool support for wake-on-lan configuration
David Woodhouse
dwmw2 at infradead.org
Thu Dec 13 02:00:14 EST 2007
Date: Wed, 12 Dec 2007 20:06:06 -0500
Also, check that suspend is refused if HOST_SLEEP_CFG hasn't been done.
Signed-off-by: David Woodhouse <dwmw2 at infradead.org>
---
drivers/net/wireless/libertas/cmd.c | 14 +++++----
drivers/net/wireless/libertas/cmd.h | 3 +-
drivers/net/wireless/libertas/dev.h | 5 +++
drivers/net/wireless/libertas/ethtool.c | 47 +++++++++++++++++++++++++++++++
drivers/net/wireless/libertas/if_usb.c | 6 ++--
drivers/net/wireless/libertas/main.c | 8 +++++
6 files changed, 72 insertions(+), 11 deletions(-)
diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
index f87cecb..ddf1527 100644
--- a/drivers/net/wireless/libertas/cmd.c
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -111,21 +111,23 @@ out:
return ret;
}
-int lbs_host_sleep_cfg(struct lbs_private *priv, uint32_t criteria,
- uint8_t gpio, uint8_t gap)
+int lbs_host_sleep_cfg(struct lbs_private *priv, uint32_t criteria)
{
struct cmd_ds_host_sleep cmd_config;
int ret;
cmd_config.criteria = cpu_to_le32(criteria);
- cmd_config.gpio = gpio;
- cmd_config.gap = gap;
+ cmd_config.gpio = priv->wol_gpio;
+ cmd_config.gap = priv->wol_gap;
ret = lbs_cmd_with_response(priv, CMD_802_11_HOST_SLEEP_CFG, &cmd_config);
- if (ret) {
+ if (!ret) {
+ lbs_deb_cmd("Set WOL criteria to %x\n", criteria);
+ priv->wol_criteria = criteria;
+ } else {
lbs_pr_info("HOST_SLEEP_CFG failed %d\n", ret);
- return ret;
}
+
return ret;
}
EXPORT_SYMBOL_GPL(lbs_host_sleep_cfg);
diff --git a/drivers/net/wireless/libertas/cmd.h b/drivers/net/wireless/libertas/cmd.h
index e44a0db..55f2436 100644
--- a/drivers/net/wireless/libertas/cmd.h
+++ b/drivers/net/wireless/libertas/cmd.h
@@ -33,8 +33,7 @@ int lbs_set_channel(struct lbs_private *priv, u8 channel);
int lbs_mesh_config(struct lbs_private *priv, int enable);
-int lbs_host_sleep_cfg(struct lbs_private *priv, uint32_t criteria,
- uint8_t gpio, uint8_t gap);
+int lbs_host_sleep_cfg(struct lbs_private *priv, uint32_t criteria);
int lbs_suspend(struct lbs_private *priv);
int lbs_resume(struct lbs_private *priv);
diff --git a/drivers/net/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h
index 86b45a4..60a6a51 100644
--- a/drivers/net/wireless/libertas/dev.h
+++ b/drivers/net/wireless/libertas/dev.h
@@ -153,6 +153,11 @@ struct lbs_private {
int (*hw_get_int_status) (struct lbs_private *priv, u8 *);
int (*hw_read_event_cause) (struct lbs_private *);
+ /* Wake On LAN */
+ uint32_t wol_criteria;
+ uint8_t wol_gpio;
+ uint8_t wol_gap;
+
/* was struct lbs_adapter from here... */
/** Wlan adapter data structure*/
diff --git a/drivers/net/wireless/libertas/ethtool.c b/drivers/net/wireless/libertas/ethtool.c
index a54b4f4..21e6f98 100644
--- a/drivers/net/wireless/libertas/ethtool.c
+++ b/drivers/net/wireless/libertas/ethtool.c
@@ -8,6 +8,8 @@
#include "dev.h"
#include "join.h"
#include "wext.h"
+#include "cmd.h"
+
static const char * mesh_stat_strings[]= {
"drop_duplicate_bcast",
"drop_ttl_zero",
@@ -172,6 +174,49 @@ static void lbs_ethtool_get_strings(struct net_device *dev,
lbs_deb_enter(LBS_DEB_ETHTOOL);
}
+static void lbs_ethtool_get_wol(struct net_device *dev,
+ struct ethtool_wolinfo *wol)
+{
+ struct lbs_private *priv = dev->priv;
+
+ if (priv->wol_criteria == 0xffffffff) {
+ /* Interface driver didn't configure wake */
+ wol->supported = wol->wolopts = 0;
+ return;
+ }
+
+ wol->supported = WAKE_UCAST|WAKE_MCAST|WAKE_BCAST|WAKE_PHY;
+
+ if (priv->wol_criteria & EHS_WAKE_ON_UNICAST_DATA)
+ wol->wolopts |= WAKE_UCAST;
+ if (priv->wol_criteria & EHS_WAKE_ON_MULTICAST_DATA)
+ wol->wolopts |= WAKE_MCAST;
+ if (priv->wol_criteria & EHS_WAKE_ON_BROADCAST_DATA)
+ wol->wolopts |= WAKE_BCAST;
+ if (priv->wol_criteria & EHS_WAKE_ON_MAC_EVENT)
+ wol->wolopts |= WAKE_PHY;
+}
+
+static int lbs_ethtool_set_wol(struct net_device *dev,
+ struct ethtool_wolinfo *wol)
+{
+ struct lbs_private *priv = dev->priv;
+ uint32_t criteria = 0;
+
+ if (priv->wol_criteria == 0xffffffff && wol->wolopts)
+ return -EOPNOTSUPP;
+
+ if (wol->wolopts & ~(WAKE_UCAST|WAKE_MCAST|WAKE_BCAST|WAKE_PHY))
+ return -EOPNOTSUPP;
+
+ if (wol->wolopts & WAKE_UCAST) criteria |= EHS_WAKE_ON_UNICAST_DATA;
+ if (wol->wolopts & WAKE_MCAST) criteria |= EHS_WAKE_ON_MULTICAST_DATA;
+ if (wol->wolopts & WAKE_BCAST) criteria |= EHS_WAKE_ON_BROADCAST_DATA;
+ if (wol->wolopts & WAKE_PHY) criteria |= EHS_WAKE_ON_MAC_EVENT;
+
+ return lbs_host_sleep_cfg(priv, criteria);
+}
+
struct ethtool_ops lbs_ethtool_ops = {
.get_drvinfo = lbs_ethtool_get_drvinfo,
.get_eeprom = lbs_ethtool_get_eeprom,
@@ -179,5 +224,7 @@ struct ethtool_ops lbs_ethtool_ops = {
.get_sset_count = lbs_ethtool_get_sset_count,
.get_ethtool_stats = lbs_ethtool_get_stats,
.get_strings = lbs_ethtool_get_strings,
+ .get_wol = lbs_ethtool_get_wol,
+ .set_wol = lbs_ethtool_set_wol,
};
diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c
index 15715a6..8191416 100644
--- a/drivers/net/wireless/libertas/if_usb.c
+++ b/drivers/net/wireless/libertas/if_usb.c
@@ -242,9 +242,9 @@ static int if_usb_probe(struct usb_interface *intf,
if_usb_set_boot2_ver(priv);
- /* Set suspend/resume configuration:
- wake via GPIO2 after a 20ms delay */
- lbs_host_sleep_cfg(priv, EHS_WAKE_ON_UNICAST_DATA, 2, 20);
+ priv->wol_gpio = 2; /* Wake via GPIO2... */
+ priv->wol_gap = 20; /* ... after 20ms */
+ lbs_host_sleep_cfg(priv, EHS_WAKE_ON_UNICAST_DATA);
usb_get_dev(udev);
usb_set_intfdata(intf, cardp);
diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index 1ea119e..5e2f329 100644
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -839,6 +839,11 @@ int lbs_suspend(struct lbs_private *priv)
struct cmd_header cmd;
int ret;
+ if (priv->wol_criteria == 0xffffffff) {
+ lbs_pr_info("Suspend attempt without configuring wake params!\n");
+ return -EINVAL;
+ }
+
memset(&cmd, 0, sizeof(cmd));
ret = __lbs_cmd(priv, CMD_802_11_HOST_SLEEP_ACTIVATE, &cmd,
@@ -1088,6 +1093,9 @@ struct lbs_private *lbs_add_card(void *card, struct device *dmdev)
sprintf(priv->mesh_ssid, "mesh");
priv->mesh_ssid_len = 4;
+ priv->wol_criteria = 0xffffffff;
+ priv->wol_gpio = 0xff;
+
goto done;
err_init_adapter:
--
1.5.3.4
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