From 506e9025e030c441679fb1ae77fb0d6266c34443 Mon Sep 17 00:00:00 2001 From: David Woodhouse Date: Wed, 12 Dec 2007 20:06:06 -0500 Subject: [PATCH] libertas: add ethtool support for wake-on-lan configuration Also, check that suspend is refused if HOST_SLEEP_CFG hasn't been done. Signed-off-by: David Woodhouse Signed-off-by: John W. Linville --- 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 f87cecb4c57..ddf15271244 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 e44a0db5048..55f2436574d 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 86b45a471fc..60a6a51d0dc 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 a54b4f406af..21e6f988ea8 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 15715a6b59e..81914165259 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 1ea119ed3d2..5e2f3296be3 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: -- 2.20.1