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net: ethtool: Document get_rxfh_context and set_rxfh_context ethtool ops 

ethtool ops get_rxfh_context and set_rxfh_context are used to create,
remove and access parameters associated to RSS contexts, in a similar
fashion to get_rxfh and set_rxfh.

Add a small descritopn of these callbacks in the struct ethtool_ops doc.

Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Maxime Chevallier 2019-05-24 12:05:30 +02:00 committed by David S. Miller
parent 3d92410a22
commit f4bcf14e39
1 changed files with 9 additions and 0 deletions
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9
include/linux/ethtool.h
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@ -260,6 +260,15 @@ bool ethtool_convert_link_mode_to_legacy_u32(u32 *legacy_u32,
* will remain unchanged.
* Returns a negative error code or zero. An error code must be returned
* if at least one unsupported change was requested.
* @get_rxfh_context: Get the contents of the RX flow hash indirection table,
* hash key, and/or hash function assiciated to the given rss context.
* Returns a negative error code or zero.
* @set_rxfh_context: Create, remove and configure RSS contexts. Allows setting
* the contents of the RX flow hash indirection table, hash key, and/or
* hash function associated to the given context. Arguments which are set
* to %NULL or zero will remain unchanged.
* Returns a negative error code or zero. An error code must be returned
* if at least one unsupported change was requested.
* @get_channels: Get number of channels.
* @set_channels: Set number of channels. Returns a negative error code or
* zero.