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ethtool: provide pause parameters with PAUSE_GET request

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Implement PAUSE_GET request to get pause parameters of a network device.
These are traditionally available via ETHTOOL_GPAUSEPARAM ioctl request.

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 00:01:23 +01:00
committed by David S. Miller
parent 0cf3eac8c9
commit 7f59fb32b0
6 changed files with 146 additions and 2 deletions
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16
include/uapi/linux/ethtool_netlink.h
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@@ -34,6 +34,7 @@ enum {
ETHTOOL_MSG_CHANNELS_SET,
ETHTOOL_MSG_COALESCE_GET,
ETHTOOL_MSG_COALESCE_SET,
ETHTOOL_MSG_PAUSE_GET,
/* add new constants above here */
__ETHTOOL_MSG_USER_CNT,
@@ -64,6 +65,7 @@ enum {
ETHTOOL_MSG_CHANNELS_NTF,
ETHTOOL_MSG_COALESCE_GET_REPLY,
ETHTOOL_MSG_COALESCE_NTF,
ETHTOOL_MSG_PAUSE_GET_REPLY,
/* add new constants above here */
__ETHTOOL_MSG_KERNEL_CNT,
@@ -347,6 +349,20 @@ enum {
ETHTOOL_A_COALESCE_MAX = (__ETHTOOL_A_COALESCE_CNT - 1)
};
/* PAUSE */
enum {
ETHTOOL_A_PAUSE_UNSPEC,
ETHTOOL_A_PAUSE_HEADER, /* nest - _A_HEADER_* */
ETHTOOL_A_PAUSE_AUTONEG, /* u8 */
ETHTOOL_A_PAUSE_RX, /* u8 */
ETHTOOL_A_PAUSE_TX, /* u8 */
/* add new constants above here */
__ETHTOOL_A_PAUSE_CNT,
ETHTOOL_A_PAUSE_MAX = (__ETHTOOL_A_PAUSE_CNT - 1)
};
/* generic netlink info */
#define ETHTOOL_GENL_NAME "ethtool"
#define ETHTOOL_GENL_VERSION 1