netdev - [PATCH] ethtool: ETHTOOL_SFEATURES: remove NETIF_F

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Date:	Mon, 16 May 2011 15:28:07 +0200 (CEST)
From:	Michał Mirosław <mirq-linux@...e.qmqm.pl>
To:	netdev@...r.kernel.org
Cc:	Ben Hutchings <bhutchings@...arflare.com>,
	David Miller <davem@...emloft.net>
Subject: [PATCH] ethtool: ETHTOOL_SFEATURES: remove NETIF_F_COMPAT return

Remove NETIF_F_COMPAT since it's redundant and will be unused after
all drivers are converted to fix/set_features.

Signed-off-by: Michał Mirosław <mirq-linux@...e.qmqm.pl>
---

For net as we don't want to have ETHTOOL_F_COMPAT hit stable release.

 include/linux/ethtool.h |    5 -----
 net/core/ethtool.c      |    2 +-
 2 files changed, 1 insertions(+), 6 deletions(-)

diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index dc80d82..5fb916c 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -625,9 +625,6 @@ 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
@@ -637,12 +634,10 @@ 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__
 
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 74ead9e..dc07569 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -308,7 +308,7 @@ static int ethtool_set_features(struct net_device *dev, void __user *useraddr)
 		return -EINVAL;
 
 	if (ethtool_set_features_compat(dev, features))
-		ret |= ETHTOOL_F_COMPAT;
+		ret |= ETHTOOL_F_WISH;
 
 	if (features[0].valid & ~dev->hw_features) {
 		features[0].valid &= dev->hw_features;

--
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