diff options
author | Justin Chen <justinpopo6@gmail.com> | 2022-07-20 17:28:16 -0700 |
---|---|---|
committer | Jakub Kicinski <kuba@kernel.org> | 2022-07-22 21:43:59 -0700 |
commit | 5050531610a64f08461e0c309db80ca51b779fd5 (patch) | |
tree | 08bdc0df798fc6295d80aa912edb58f57a5f18ec /drivers/net/usb | |
parent | 2bcbd3d8a7b4525cdb741fe82330edb6f5452c7f (diff) | |
download | linux-5050531610a64f08461e0c309db80ca51b779fd5.tar.bz2 |
net: usb: ax88179_178a: wol optimizations
- Check if wol is supported on reset instead of everytime get_wol
is called.
- Save wolopts in private data instead of relying on the HW to save it.
- Defer enabling WoL until suspend instead of enabling it everytime
set_wol is called.
Signed-off-by: Justin Chen <justinpopo6@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/usb')
-rw-r--r-- | drivers/net/usb/ax88179_178a.c | 52 |
1 files changed, 28 insertions, 24 deletions
diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c index d0cd9867cae7..3b0e8f93e3c8 100644 --- a/drivers/net/usb/ax88179_178a.c +++ b/drivers/net/usb/ax88179_178a.c @@ -171,6 +171,8 @@ struct ax88179_data { u8 eee_active; u16 rxctl; u8 in_pm; + u32 wol_supported; + u32 wolopts; }; struct ax88179_int_data { @@ -400,6 +402,7 @@ ax88179_phy_write_mmd_indirect(struct usbnet *dev, u16 prtad, u16 devad, static int ax88179_suspend(struct usb_interface *intf, pm_message_t message) { struct usbnet *dev = usb_get_intfdata(intf); + struct ax88179_data *priv = dev->driver_priv; u16 tmp16; u8 tmp8; @@ -407,6 +410,19 @@ static int ax88179_suspend(struct usb_interface *intf, pm_message_t message) usbnet_suspend(intf, message); + /* Enable WoL */ + if (priv->wolopts) { + ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD, + 1, 1, &tmp8); + if (priv->wolopts & WAKE_PHY) + tmp8 |= AX_MONITOR_MODE_RWLC; + if (priv->wolopts & WAKE_MAGIC) + tmp8 |= AX_MONITOR_MODE_RWMP; + + ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD, + 1, 1, &tmp8); + } + /* Disable RX path */ ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE, 2, 2, &tmp16); @@ -480,40 +496,22 @@ static void ax88179_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo) { struct usbnet *dev = netdev_priv(net); - u8 opt; - - if (ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD, - 1, 1, &opt) < 0) { - wolinfo->supported = 0; - wolinfo->wolopts = 0; - return; - } + struct ax88179_data *priv = dev->driver_priv; - wolinfo->supported = WAKE_PHY | WAKE_MAGIC; - wolinfo->wolopts = 0; - if (opt & AX_MONITOR_MODE_RWLC) - wolinfo->wolopts |= WAKE_PHY; - if (opt & AX_MONITOR_MODE_RWMP) - wolinfo->wolopts |= WAKE_MAGIC; + wolinfo->supported = priv->wol_supported; + wolinfo->wolopts = priv->wolopts; } static int ax88179_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo) { struct usbnet *dev = netdev_priv(net); - u8 opt = 0; + struct ax88179_data *priv = dev->driver_priv; - if (wolinfo->wolopts & ~(WAKE_PHY | WAKE_MAGIC)) + if (wolinfo->wolopts & ~(priv->wol_supported)) return -EINVAL; - if (wolinfo->wolopts & WAKE_PHY) - opt |= AX_MONITOR_MODE_RWLC; - if (wolinfo->wolopts & WAKE_MAGIC) - opt |= AX_MONITOR_MODE_RWMP; - - if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD, - 1, 1, &opt) < 0) - return -EINVAL; + priv->wolopts = wolinfo->wolopts; return 0; } @@ -1636,6 +1634,12 @@ static int ax88179_reset(struct usbnet *dev) ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE, 2, 2, tmp16); + /* Check if WoL is supported */ + ax179_data->wol_supported = 0; + if (ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD, + 1, 1, &tmp) > 0) + ax179_data->wol_supported = WAKE_MAGIC | WAKE_PHY; + ax88179_led_setting(dev); ax179_data->eee_enabled = 0; |