net/ethtool: Add current supported tunable options
Add strings array of the current supported tunable options. Signed-off-by: Hadar Hen Zion <hadarh@mellanox.com> Reviewed-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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2 changed files with 18 additions and 0 deletions
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@ -215,6 +215,11 @@ enum tunable_id {
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ETHTOOL_ID_UNSPEC,
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ETHTOOL_RX_COPYBREAK,
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ETHTOOL_TX_COPYBREAK,
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/*
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* Add your fresh new tubale attribute above and remember to update
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* tunable_strings[] in net/core/ethtool.c
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*/
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__ETHTOOL_TUNABLE_COUNT,
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};
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enum tunable_type_id {
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@ -545,6 +550,7 @@ enum ethtool_stringset {
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ETH_SS_NTUPLE_FILTERS,
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ETH_SS_FEATURES,
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ETH_SS_RSS_HASH_FUNCS,
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ETH_SS_TUNABLES,
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};
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/**
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@ -106,6 +106,13 @@ rss_hash_func_strings[ETH_RSS_HASH_FUNCS_COUNT][ETH_GSTRING_LEN] = {
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[ETH_RSS_HASH_XOR_BIT] = "xor",
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};
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static const char
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tunable_strings[__ETHTOOL_TUNABLE_COUNT][ETH_GSTRING_LEN] = {
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[ETHTOOL_ID_UNSPEC] = "Unspec",
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[ETHTOOL_RX_COPYBREAK] = "rx-copybreak",
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[ETHTOOL_TX_COPYBREAK] = "tx-copybreak",
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};
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static int ethtool_get_features(struct net_device *dev, void __user *useraddr)
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{
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struct ethtool_gfeatures cmd = {
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@ -194,6 +201,9 @@ static int __ethtool_get_sset_count(struct net_device *dev, int sset)
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if (sset == ETH_SS_RSS_HASH_FUNCS)
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return ARRAY_SIZE(rss_hash_func_strings);
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if (sset == ETH_SS_TUNABLES)
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return ARRAY_SIZE(tunable_strings);
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if (ops->get_sset_count && ops->get_strings)
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return ops->get_sset_count(dev, sset);
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else
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@ -211,6 +221,8 @@ static void __ethtool_get_strings(struct net_device *dev,
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else if (stringset == ETH_SS_RSS_HASH_FUNCS)
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memcpy(data, rss_hash_func_strings,
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sizeof(rss_hash_func_strings));
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else if (stringset == ETH_SS_TUNABLES)
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memcpy(data, tunable_strings, sizeof(tunable_strings));
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else
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/* ops->get_strings is valid because checked earlier */
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ops->get_strings(dev, stringset, data);
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