net: ena: ethtool: add extra properties retrieval via get_priv_flags
This commit adds a mechanism for exposing different device properties via ethtool's priv_flags. The strings are provided by the device and copied to user space through the driver. In this commit we: Add commands, structs and defines necessary for handling extra properties Add functions for: Allocation/destruction of a buffer for extra properties strings. Retreival of extra properties strings and flags from the network device. Handle the allocation of a buffer for extra properties strings. * Initialize buffer with extra properties strings from the network device at driver startup. Use ethtool's get_priv_flags to expose extra properties of the ENA device Signed-off-by:Arthur Kiyanovski <akiyano@amazon.com> Signed-off-by:
Sameeh Jubran <sameehj@amazon.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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