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| author | Alexandru Ardelean <alexandru.ardelean@analog.com> | 2019-09-20 12:44:30 +0300 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2019-09-24 15:16:06 -0400 |
| commit | e391f4c753864c83806857eae17f2ded8d613748 (patch) | |
| tree | b937fb8202dcc809c610b812b17fa416fe9b910b | |
| parent | 76c46821fc0e171de6908e0421bb2f032a6eb857 (diff) | |
| download | ethtool-e391f4c753864c83806857eae17f2ded8d613748.tar.gz | |
ethtool: sync ethtool-copy.h: adds support for EDPD
This change syncs the `ethtool-copy.h` file with Linux net-next to add
support for Energy Detect Powerdown control via phy tunable.
net-next commit:
commit 1bab8d4c488be22d57f9dd09968c90a0ddc413bf
Merge: 990925fad5c2 00b368502d18
Author: David S. Miller <davem@davemloft.net>
Date: Tue Sep 17 23:51:10 2019 +0200
Merge ra.kernel.org:/pub/scm/linux/kernel/git/netdev/net
Pull in bug fixes from 'net' tree for the merge window.
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | ethtool-copy.h | 30 |
1 files changed, 26 insertions, 4 deletions
diff --git a/ethtool-copy.h b/ethtool-copy.h index ad16e8f..9afd2e6 100644 --- a/ethtool-copy.h +++ b/ethtool-copy.h @@ -257,10 +257,32 @@ struct ethtool_tunable { #define ETHTOOL_PHY_FAST_LINK_DOWN_ON 0 #define ETHTOOL_PHY_FAST_LINK_DOWN_OFF 0xff +/* Energy Detect Power Down (EDPD) is a feature supported by some PHYs, where + * the PHY's RX & TX blocks are put into a low-power mode when there is no + * link detected (typically cable is un-plugged). For RX, only a minimal + * link-detection is available, and for TX the PHY wakes up to send link pulses + * to avoid any lock-ups in case the peer PHY may also be running in EDPD mode. + * + * Some PHYs may support configuration of the wake-up interval for TX pulses, + * and some PHYs may support only disabling TX pulses entirely. For the latter + * a special value is required (ETHTOOL_PHY_EDPD_NO_TX) so that this can be + * configured from userspace (should the user want it). + * + * The interval units for TX wake-up are in milliseconds, since this should + * cover a reasonable range of intervals: + * - from 1 millisecond, which does not sound like much of a power-saver + * - to ~65 seconds which is quite a lot to wait for a link to come up when + * plugging a cable + */ +#define ETHTOOL_PHY_EDPD_DFLT_TX_MSECS 0xffff +#define ETHTOOL_PHY_EDPD_NO_TX 0xfffe +#define ETHTOOL_PHY_EDPD_DISABLE 0 + enum phy_tunable_id { ETHTOOL_PHY_ID_UNSPEC, ETHTOOL_PHY_DOWNSHIFT, ETHTOOL_PHY_FAST_LINK_DOWN, + ETHTOOL_PHY_EDPD, /* * Add your fresh new phy tunable attribute above and remember to update * phy_tunable_strings[] in net/core/ethtool.c @@ -1481,8 +1503,8 @@ enum ethtool_link_mode_bit_indices { ETHTOOL_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT = 64, ETHTOOL_LINK_MODE_200000baseDR4_Full_BIT = 65, ETHTOOL_LINK_MODE_200000baseCR4_Full_BIT = 66, - ETHTOOL_LINK_MODE_100baseT1_Full_BIT = 67, - ETHTOOL_LINK_MODE_1000baseT1_Full_BIT = 68, + ETHTOOL_LINK_MODE_100baseT1_Full_BIT = 67, + ETHTOOL_LINK_MODE_1000baseT1_Full_BIT = 68, /* must be last entry */ __ETHTOOL_LINK_MODE_MASK_NBITS @@ -1712,8 +1734,8 @@ static __inline__ int ethtool_validate_duplex(__u8 duplex) #define ETH_MODULE_SFF_8436 0x4 #define ETH_MODULE_SFF_8436_LEN 256 -#define ETH_MODULE_SFF_8636_MAX_LEN 640 -#define ETH_MODULE_SFF_8436_MAX_LEN 640 +#define ETH_MODULE_SFF_8636_MAX_LEN 640 +#define ETH_MODULE_SFF_8436_MAX_LEN 640 /* Reset flags */ /* The reset() operation must clear the flags for the components which |