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net: Implement SFEATURES compatibility for not updated drivers

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Use discrete setting ops for not updated drivers. This will not make
them conform to full G/SFEATURES semantics, though.

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michał Mirosław
2011-02-22 16:52:29 +00:00
committed by David S. Miller
parent 4e4db20054
commit 39fc0ce571
2 changed files with 66 additions and 0 deletions
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5
include/linux/ethtool.h
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@@ -591,6 +591,9 @@ struct ethtool_sfeatures {
* Probably there are other device-specific constraints on some features
* in the set. When %ETHTOOL_F_UNSUPPORTED is set, .valid is considered
* here as though ignored bits were cleared.
* %ETHTOOL_F_COMPAT - some or all changes requested were made by calling
* compatibility functions. Requested offload state cannot be properly
* managed by kernel.
*
* Meaning of bits in the masks are obtained by %ETHTOOL_GSSET_INFO (number of
* bits in the arrays - always multiple of 32) and %ETHTOOL_GSTRINGS commands
@@ -600,10 +603,12 @@ struct ethtool_sfeatures {
enum ethtool_sfeatures_retval_bits {
ETHTOOL_F_UNSUPPORTED__BIT,
ETHTOOL_F_WISH__BIT,
ETHTOOL_F_COMPAT__BIT,
};
#define ETHTOOL_F_UNSUPPORTED (1 << ETHTOOL_F_UNSUPPORTED__BIT)
#define ETHTOOL_F_WISH (1 << ETHTOOL_F_WISH__BIT)
#define ETHTOOL_F_COMPAT (1 << ETHTOOL_F_COMPAT__BIT)
#ifdef __KERNEL__