ethtool: provide link state with LINKSTATE_GET request

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Implement LINKSTATE_GET netlink request to get link state information.

At the moment, only link up flag as provided by ETHTOOL_GLINK ioctl command
is returned.

LINKSTATE_GET request can be used with NLM_F_DUMP (without device
identification) to request the information for all devices in current
network namespace providing the data.

Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Michal Kubecek 2019-12-27 15:56:23 +01:00 • committed by David S. Miller

parent 1b1b1847c8

commit 3d2b847fb9

9 changed files with 146 additions and 6 deletions

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14

include/uapi/linux/ethtool_netlink.h

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