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ethtool: add interface to read standard MAC Ctrl stats

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Number of devices maintains the standard-based MAC control
counters for control frames. Add a API for those.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski 2021-04-16 12:27:41 -07:00 • committed by David S. Miller
parent ca2244547e
commit bfad2b979d
6 changed files with 67 additions and 0 deletions
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12
include/linux/ethtool.h
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@ -285,6 +285,15 @@ struct ethtool_eth_phy_stats {
u64 SymbolErrorDuringCarrier;
};
/* Basic IEEE 802.3 MAC Ctrl statistics (30.3.3.*), not otherwise exposed
* via a more targeted API.
*/
struct ethtool_eth_ctrl_stats {
u64 MACControlFramesTransmitted;
u64 MACControlFramesReceived;
u64 UnsupportedOpcodesReceived;
};
/**
* struct ethtool_pause_stats - statistics for IEEE 802.3x pause frames
* @tx_pause_frames: transmitted pause frame count. Reported to user space
@ -524,6 +533,7 @@ struct ethtool_module_eeprom {
* read.
* @get_eth_phy_stats: Query some of the IEEE 802.3 PHY statistics.
* @get_eth_mac_stats: Query some of the IEEE 802.3 MAC statistics.
* @get_eth_ctrl_stats: Query some of the IEEE 802.3 MAC Ctrl statistics.
*
* All operations are optional (i.e. the function pointer may be set
* to %NULL) and callers must take this into account. Callers must
@ -638,6 +648,8 @@ struct ethtool_ops {
struct ethtool_eth_phy_stats *phy_stats);
void (*get_eth_mac_stats)(struct net_device *dev,
struct ethtool_eth_mac_stats *mac_stats);
void (*get_eth_ctrl_stats)(struct net_device *dev,
struct ethtool_eth_ctrl_stats *ctrl_stats);
};
int ethtool_check_ops(const struct ethtool_ops *ops);