2018-09-28 23:19:34

by Florian Fainelli

[permalink] [raw]
Subject: [PATCH net v2 0/7] net: usb: Check for Wake-on-LAN modes

Hi all,

Most of our USB Ethernet drivers don't seem to be checking properly
whether the user is supplying a correct Wake-on-LAN mode to enter, so
the experience as an user could be confusing, since it would generally
lead to either no wake-up, or the device not being marked for wake-up.

Please review!

Changes in v2:

- fixed lan78xx handling, thanks Woojung!

Florian Fainelli (7):
asix: Check for supported Wake-on-LAN modes
ax88179_178a: Check for supported Wake-on-LAN modes
lan78xx: Check for supported Wake-on-LAN modes
sr9800: Check for supported Wake-on-LAN modes
r8152: Check for supported Wake-on-LAN Modes
smsc75xx: Check for Wake-on-LAN modes
smsc95xx: Check for Wake-on-LAN modes

drivers/net/usb/asix_common.c | 3 +++
drivers/net/usb/ax88179_178a.c | 3 +++
drivers/net/usb/lan78xx.c | 17 ++++-------------
drivers/net/usb/r8152.c | 3 +++
drivers/net/usb/smsc75xx.c | 3 +++
drivers/net/usb/smsc95xx.c | 3 +++
drivers/net/usb/sr9800.c | 3 +++
7 files changed, 22 insertions(+), 13 deletions(-)

--
2.17.1



2018-09-28 23:19:47

by Florian Fainelli

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Subject: [PATCH net v2 1/7] asix: Check for supported Wake-on-LAN modes

The driver currently silently accepts unsupported Wake-on-LAN modes
(other than WAKE_PHY or WAKE_MAGIC) without reporting that to the user,
which is confusing.

Fixes: 2e55cc7210fe ("[PATCH] USB: usbnet (3/9) module for ASIX Ethernet adapters")
Signed-off-by: Florian Fainelli <[email protected]>
---
drivers/net/usb/asix_common.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/net/usb/asix_common.c b/drivers/net/usb/asix_common.c
index e95dd12edec4..023b8d0bf175 100644
--- a/drivers/net/usb/asix_common.c
+++ b/drivers/net/usb/asix_common.c
@@ -607,6 +607,9 @@ int asix_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
struct usbnet *dev = netdev_priv(net);
u8 opt = 0;

+ if (wolinfo->wolopts & ~(WAKE_PHY | WAKE_MAGIC))
+ return -EINVAL;
+
if (wolinfo->wolopts & WAKE_PHY)
opt |= AX_MONITOR_LINK;
if (wolinfo->wolopts & WAKE_MAGIC)
--
2.17.1


2018-09-28 23:19:51

by Florian Fainelli

[permalink] [raw]
Subject: [PATCH net v2 2/7] ax88179_178a: Check for supported Wake-on-LAN modes

The driver currently silently accepts unsupported Wake-on-LAN modes
(other than WAKE_PHY or WAKE_MAGIC) without reporting that to the user,
which is confusing.

Fixes: e2ca90c276e1 ("ax88179_178a: ASIX AX88179_178A USB 3.0/2.0 to gigabit ethernet adapter driver")
Signed-off-by: Florian Fainelli <[email protected]>
---
drivers/net/usb/ax88179_178a.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c
index 9e8ad372f419..2207f7a7d1ff 100644
--- a/drivers/net/usb/ax88179_178a.c
+++ b/drivers/net/usb/ax88179_178a.c
@@ -566,6 +566,9 @@ ax88179_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
struct usbnet *dev = netdev_priv(net);
u8 opt = 0;

+ if (wolinfo->wolopts & ~(WAKE_PHY | WAKE_MAGIC))
+ return -EINVAL;
+
if (wolinfo->wolopts & WAKE_PHY)
opt |= AX_MONITOR_MODE_RWLC;
if (wolinfo->wolopts & WAKE_MAGIC)
--
2.17.1


2018-09-28 23:20:01

by Florian Fainelli

[permalink] [raw]
Subject: [PATCH net v2 3/7] lan78xx: Check for supported Wake-on-LAN modes

The driver supports a fair amount of Wake-on-LAN modes, but is not
checking that the user specified one that is supported.

Fixes: 55d7de9de6c3 ("Microchip's LAN7800 family USB 2/3 to 10/100/1000 Ethernet device driver")
Signed-off-by: Florian Fainelli <[email protected]>
---
drivers/net/usb/lan78xx.c | 17 ++++-------------
1 file changed, 4 insertions(+), 13 deletions(-)

diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index a9991c5f4736..c3c9ba44e2a1 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -1401,19 +1401,10 @@ static int lan78xx_set_wol(struct net_device *netdev,
if (ret < 0)
return ret;

- pdata->wol = 0;
- if (wol->wolopts & WAKE_UCAST)
- pdata->wol |= WAKE_UCAST;
- if (wol->wolopts & WAKE_MCAST)
- pdata->wol |= WAKE_MCAST;
- if (wol->wolopts & WAKE_BCAST)
- pdata->wol |= WAKE_BCAST;
- if (wol->wolopts & WAKE_MAGIC)
- pdata->wol |= WAKE_MAGIC;
- if (wol->wolopts & WAKE_PHY)
- pdata->wol |= WAKE_PHY;
- if (wol->wolopts & WAKE_ARP)
- pdata->wol |= WAKE_ARP;
+ if (wol->wolopts & ~WAKE_ALL)
+ return -EINVAL;
+
+ pdata->wol = wol->wolopts;

device_set_wakeup_enable(&dev->udev->dev, (bool)wol->wolopts);

--
2.17.1


2018-09-28 23:20:10

by Florian Fainelli

[permalink] [raw]
Subject: [PATCH net v2 5/7] r8152: Check for supported Wake-on-LAN Modes

The driver does not check for Wake-on-LAN modes specified by an user,
but will conditionally set the device as wake-up enabled or not based on
that, which could be a very confusing user experience.

Fixes: 21ff2e8976b1 ("r8152: support WOL")
Signed-off-by: Florian Fainelli <[email protected]>
---
drivers/net/usb/r8152.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 2cd71bdb6484..f1b5201cc320 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -4506,6 +4506,9 @@ static int rtl8152_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
if (!rtl_can_wakeup(tp))
return -EOPNOTSUPP;

+ if (wol->wolopts & ~WAKE_ANY)
+ return -EINVAL;
+
ret = usb_autopm_get_interface(tp->intf);
if (ret < 0)
goto out_set_wol;
--
2.17.1


2018-09-28 23:20:15

by Florian Fainelli

[permalink] [raw]
Subject: [PATCH net v2 7/7] smsc95xx: Check for Wake-on-LAN modes

The driver does not check for Wake-on-LAN modes specified by an user,
but will conditionally set the device as wake-up enabled or not based on
that, which could be a very confusing user experience.

Fixes: e0e474a83c18 ("smsc95xx: add wol magic packet support")
Signed-off-by: Florian Fainelli <[email protected]>
---
drivers/net/usb/smsc95xx.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index 06b4d290784d..262e7a3c23cb 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -774,6 +774,9 @@ static int smsc95xx_ethtool_set_wol(struct net_device *net,
struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
int ret;

+ if (wolinfo->wolopts & ~SUPPORTED_WAKE)
+ return -EINVAL;
+
pdata->wolopts = wolinfo->wolopts & SUPPORTED_WAKE;

ret = device_set_wakeup_enable(&dev->udev->dev, pdata->wolopts);
--
2.17.1


2018-09-28 23:20:26

by Florian Fainelli

[permalink] [raw]
Subject: [PATCH net v2 6/7] smsc75xx: Check for Wake-on-LAN modes

The driver does not check for Wake-on-LAN modes specified by an user,
but will conditionally set the device as wake-up enabled or not based on
that, which could be a very confusing user experience.

Fixes: 6c636503260d ("smsc75xx: add wol magic packet support")
Signed-off-by: Florian Fainelli <[email protected]>
---
drivers/net/usb/smsc75xx.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c
index 05553d252446..e5a4cbb366dc 100644
--- a/drivers/net/usb/smsc75xx.c
+++ b/drivers/net/usb/smsc75xx.c
@@ -731,6 +731,9 @@ static int smsc75xx_ethtool_set_wol(struct net_device *net,
struct smsc75xx_priv *pdata = (struct smsc75xx_priv *)(dev->data[0]);
int ret;

+ if (wolinfo->wolopts & ~SUPPORTED_WAKE)
+ return -EINVAL;
+
pdata->wolopts = wolinfo->wolopts & SUPPORTED_WAKE;

ret = device_set_wakeup_enable(&dev->udev->dev, pdata->wolopts);
--
2.17.1


2018-09-28 23:22:00

by Florian Fainelli

[permalink] [raw]
Subject: [PATCH net v2 4/7] sr9800: Check for supported Wake-on-LAN modes

The driver currently silently accepts unsupported Wake-on-LAN modes
(other than WAKE_PHY or WAKE_MAGIC) without reporting that to the user,
which is confusing.

Fixes: 19a38d8e0aa3 ("USB2NET : SR9800 : One chip USB2.0 USB2NET SR9800 Device Driver Support")
Signed-off-by: Florian Fainelli <[email protected]>
---
drivers/net/usb/sr9800.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/net/usb/sr9800.c b/drivers/net/usb/sr9800.c
index 9277a0f228df..35f39f23d881 100644
--- a/drivers/net/usb/sr9800.c
+++ b/drivers/net/usb/sr9800.c
@@ -421,6 +421,9 @@ sr_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
struct usbnet *dev = netdev_priv(net);
u8 opt = 0;

+ if (wolinfo->wolopts & ~(WAKE_PHY | WAKE_MAGIC))
+ return -EINVAL;
+
if (wolinfo->wolopts & WAKE_PHY)
opt |= SR_MONITOR_LINK;
if (wolinfo->wolopts & WAKE_MAGIC)
--
2.17.1


2018-09-28 23:28:15

by Woojung.Huh

[permalink] [raw]
Subject: RE: [PATCH net v2 3/7] lan78xx: Check for supported Wake-on-LAN modes

> The driver supports a fair amount of Wake-on-LAN modes, but is not
> checking that the user specified one that is supported.
>
> Fixes: 55d7de9de6c3 ("Microchip's LAN7800 family USB 2/3 to 10/100/1000 Ethernet device driver")
> Signed-off-by: Florian Fainelli <[email protected]>

Reviewed-by: Woojung Huh <[email protected]>

Thanks.
Woojung

2018-09-29 18:32:43

by David Miller

[permalink] [raw]
Subject: Re: [PATCH net v2 0/7] net: usb: Check for Wake-on-LAN modes

From: Florian Fainelli <[email protected]>
Date: Fri, 28 Sep 2018 16:18:49 -0700

> Most of our USB Ethernet drivers don't seem to be checking properly
> whether the user is supplying a correct Wake-on-LAN mode to enter, so
> the experience as an user could be confusing, since it would generally
> lead to either no wake-up, or the device not being marked for wake-up.
>
> Please review!
>
> Changes in v2:
>
> - fixed lan78xx handling, thanks Woojung!

Series applied, thanks Florian.