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| author |   Heiner Kallweit <hkallweit1@gmail.com> | 2019-03-25 19:34:58 +0100 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-03-27 13:51:49 -0700 |
| commit | 3aeb0803f7ea11ff2fc478f7d58f2b8e713af380 (patch) | |
| tree | 547d275b6edab2cc3e99b1d632da7cd05ab53461 /include/uapi | |
| parent | net/core: Allow the compiler to verify declaration and definition consistency (diff) | |
| download | linux-dev-3aeb0803f7ea11ff2fc478f7d58f2b8e713af380.tar.xz linux-dev-3aeb0803f7ea11ff2fc478f7d58f2b8e713af380.zip | |
ethtool: add PHY Fast Link Down support
This adds support for Fast Link Down as new PHY tunable.
Fast Link Down reduces the time until a link down event is reported
for 1000BaseT. According to the standard it's 750ms what is too long
for several use cases.
v2:
- add comment describing the constants
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/linux/ethtool.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h index 3652b239dad1..50c76f4fa402 100644 --- a/include/uapi/linux/ethtool.h +++ b/include/uapi/linux/ethtool.h @@ -252,9 +252,17 @@ struct ethtool_tunable { #define DOWNSHIFT_DEV_DEFAULT_COUNT 0xff #define DOWNSHIFT_DEV_DISABLE 0 +/* Time in msecs after which link is reported as down + * 0 = lowest time supported by the PHY + * 0xff = off, link down detection according to standard + */ +#define ETHTOOL_PHY_FAST_LINK_DOWN_ON 0 +#define ETHTOOL_PHY_FAST_LINK_DOWN_OFF 0xff + enum phy_tunable_id { ETHTOOL_PHY_ID_UNSPEC, ETHTOOL_PHY_DOWNSHIFT, + ETHTOOL_PHY_FAST_LINK_DOWN, /* * Add your fresh new phy tunable attribute above and remember to update * phy_tunable_strings[] in net/core/ethtool.c |