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authorJiri Pirko <jiri@resnulli.us>2014-04-02 23:09:31 +0200
committerDavid S. Miller <davem@davemloft.net>2014-04-03 14:31:34 -0400
commitd0290214de712150b118a532ded378a29255893b (patch)
treee27bdd049f71378689f160fdac7693437e5d3a30 /net/core/ethtool.c
parent8e2f1a63f2217365223026422a2f8ba5967051d6 (diff)
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net: add busy_poll device feature
Currently there is no way how to find out if a device supports busy polling. So add a feature and make it dependent on ndo_busy_poll existence. Signed-off-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/ethtool.c')
-rw-r--r--net/core/ethtool.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 30071dec287a..640ba0e5831c 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -97,6 +97,7 @@ static const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN]
[NETIF_F_RXFCS_BIT] = "rx-fcs",
[NETIF_F_RXALL_BIT] = "rx-all",
[NETIF_F_HW_L2FW_DOFFLOAD_BIT] = "l2-fwd-offload",
+ [NETIF_F_BUSY_POLL_BIT] = "busy-poll",
};
static int ethtool_get_features(struct net_device *dev, void __user *useraddr)