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Commit Graph

6 Commits

Author SHA1 Message Date
David S. Miller
9fb16955fb Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Overlapping header include additions in macsec.c

A bug fix in 'net' overlapping with the removal of 'version'
string in ena_netdev.c

Overlapping test additions in selftests Makefile

Overlapping PCI ID table adjustments in iwlwifi driver.

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-25 18:58:11 -07:00
Michal Kubecek
2f599ec422 ethtool: fix reference leak in some *_SET handlers
Andrew noticed that some handlers for *_SET commands leak a netdev
reference if required ethtool_ops callbacks do not exist. A simple
reproducer would be e.g.

  ip link add veth1 type veth peer name veth2
  ethtool -s veth1 wol g
  ip link del veth1

Make sure dev_put() is called when ethtool_ops check fails.

v2: add Fixes tags

Fixes: a53f3d41e4 ("ethtool: set link settings with LINKINFO_SET request")
Fixes: bfbcfe2032 ("ethtool: set link modes related data with LINKMODES_SET request")
Fixes: e54d04e3af ("ethtool: set message mask with DEBUG_SET request")
Fixes: 8d425b19b3 ("ethtool: set wake-on-lan settings with WOL_SET request")
Reported-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-23 21:50:14 -07:00
Michal Kubecek
98130546da ethtool: rename ethnl_parse_header() to ethnl_parse_header_dev_get()
Andrew Lunn pointed out that even if it's documented that
ethnl_parse_header() takes reference to network device if it fills it
into the target structure, its name doesn't make it apparent so that
corresponding dev_put() looks like mismatched.

Rename the function ethnl_parse_header_dev_get() to indicate that it
takes a reference.

Suggested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-12 15:32:32 -07:00
Michal Kubecek
0bda7af39d ethtool: add DEBUG_NTF notification
Send ETHTOOL_MSG_DEBUG_NTF notification message whenever debugging message
mask for a device are modified using ETHTOOL_MSG_DEBUG_SET netlink message
or ETHTOOL_SMSGLVL ioctl request.

The notification message has the same format as reply to DEBUG_GET request.
As with other ethtool notifications, netlink requests only trigger the
notification if the mask is actually changed while ioctl request trigger it
whenever the request results in calling the ethtool_ops handler.

Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-27 11:31:36 +01:00
Michal Kubecek
e54d04e3af ethtool: set message mask with DEBUG_SET request
Implement DEBUG_SET netlink request to set debugging settings for a device.
At the moment, only message mask corresponding to message level as set by
ETHTOOL_SMSGLVL ioctl request can be set. (It is called message level in
ioctl interface but almost all drivers interpret it as a bit mask.)

Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-27 11:31:35 +01:00
Michal Kubecek
6a94b8ccf6 ethtool: provide message mask with DEBUG_GET request
Implement DEBUG_GET request to get debugging settings for a device. At the
moment, only message mask corresponding to message level as reported by
ETHTOOL_GMSGLVL ioctl request is provided. (It is called message level in
ioctl interface but almost all drivers interpret it as a bit mask.)

As part of the implementation, provide symbolic names for message mask bits
as ETH_SS_MSG_CLASSES string set.

Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-27 11:31:35 +01:00