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ethtool: provide EEE settings with EEE_GET request

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Implement EEE_GET request to get EEE settings of a network device. These
are traditionally available via ETHTOOL_GEEE ioctl request.

The netlink interface allows reporting EEE status for all link modes
supported by kernel but only first 32 link modes are provided at the moment
as only those are reported by the ethtool_ops callback and drivers.

v2: fix alignment (whitespace only)

Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michal Kubecek 2020-03-28 00:01:38 +01:00 • committed by David S. Miller
parent bf37faa386
commit b7eeefe72e
6 changed files with 192 additions and 2 deletions
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19
include/uapi/linux/ethtool_netlink.h
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@ -36,6 +36,7 @@ enum {
ETHTOOL_MSG_COALESCE_SET,
ETHTOOL_MSG_PAUSE_GET,
ETHTOOL_MSG_PAUSE_SET,
ETHTOOL_MSG_EEE_GET,
/* add new constants above here */
__ETHTOOL_MSG_USER_CNT,
@ -68,6 +69,7 @@ enum {
ETHTOOL_MSG_COALESCE_NTF,
ETHTOOL_MSG_PAUSE_GET_REPLY,
ETHTOOL_MSG_PAUSE_NTF,
ETHTOOL_MSG_EEE_GET_REPLY,
/* add new constants above here */
__ETHTOOL_MSG_KERNEL_CNT,
@ -365,6 +367,23 @@ enum {
ETHTOOL_A_PAUSE_MAX = (__ETHTOOL_A_PAUSE_CNT - 1)
};
/* EEE */
enum {
ETHTOOL_A_EEE_UNSPEC,
ETHTOOL_A_EEE_HEADER, /* nest - _A_HEADER_* */
ETHTOOL_A_EEE_MODES_OURS, /* bitset */
ETHTOOL_A_EEE_MODES_PEER, /* bitset */
ETHTOOL_A_EEE_ACTIVE, /* u8 */
ETHTOOL_A_EEE_ENABLED, /* u8 */
ETHTOOL_A_EEE_TX_LPI_ENABLED, /* u8 */
ETHTOOL_A_EEE_TX_LPI_TIMER, /* u32 */
/* add new constants above here */
__ETHTOOL_A_EEE_CNT,
ETHTOOL_A_EEE_MAX = (__ETHTOOL_A_EEE_CNT - 1)
};
/* generic netlink info */
#define ETHTOOL_GENL_NAME "ethtool"
#define ETHTOOL_GENL_VERSION 1