diff options
| author | Aya Levin <ayal@mellanox.com> | 2020-02-12 01:32:52 +0300 |
|---|---|---|
| committer | Saeed Mahameed <saeedm@mellanox.com> | 2020-02-19 06:17:31 +0300 |
| commit | f623e5970501449b475a8dc007f0fe24743ab9d3 (patch) | |
| tree | 85748edc935ce45734897faeb51c4188a54701b2 | |
| parent | 3c19208ea96061e64eeaad9485d115b32e2177b7 (diff) | |
| download | linux-f623e5970501449b475a8dc007f0fe24743ab9d3.tar.xz | |
ethtool: Add support for low latency RS FEC
Add support for low latency Reed Solomon FEC as LLRS.
The LL-FEC is defined by the 25G/50G ethernet consortium,
in the document titled "Low Latency Reed Solomon Forward Error Correction"
Signed-off-by: Aya Levin <ayal@mellanox.com>
Reviewed-by: Eran Ben Elisha <eranbe@mellanox.com>
CC: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
| -rw-r--r-- | drivers/net/phy/phy-core.c | 2 | ||||
| -rw-r--r-- | include/uapi/linux/ethtool.h | 4 | ||||
| -rw-r--r-- | net/ethtool/common.c | 1 | ||||
| -rw-r--r-- | net/ethtool/linkmodes.c | 1 |
4 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/phy/phy-core.c b/drivers/net/phy/phy-core.c index a4d2d59fceca..e083e7a76ada 100644 --- a/drivers/net/phy/phy-core.c +++ b/drivers/net/phy/phy-core.c @@ -8,7 +8,7 @@ const char *phy_speed_to_str(int speed) { - BUILD_BUG_ON_MSG(__ETHTOOL_LINK_MODE_MASK_NBITS != 74, + BUILD_BUG_ON_MSG(__ETHTOOL_LINK_MODE_MASK_NBITS != 75, "Enum ethtool_link_mode_bit_indices and phylib are out of sync. " "If a speed or mode has been added please update phy_speed_to_str " "and the PHY settings array.\n"); diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h index 4295ebfa2f91..d586ee5e10a1 100644 --- a/include/uapi/linux/ethtool.h +++ b/include/uapi/linux/ethtool.h @@ -1330,6 +1330,7 @@ enum ethtool_fec_config_bits { ETHTOOL_FEC_OFF_BIT, ETHTOOL_FEC_RS_BIT, ETHTOOL_FEC_BASER_BIT, + ETHTOOL_FEC_LLRS_BIT, }; #define ETHTOOL_FEC_NONE (1 << ETHTOOL_FEC_NONE_BIT) @@ -1337,6 +1338,7 @@ enum ethtool_fec_config_bits { #define ETHTOOL_FEC_OFF (1 << ETHTOOL_FEC_OFF_BIT) #define ETHTOOL_FEC_RS (1 << ETHTOOL_FEC_RS_BIT) #define ETHTOOL_FEC_BASER (1 << ETHTOOL_FEC_BASER_BIT) +#define ETHTOOL_FEC_LLRS (1 << ETHTOOL_FEC_LLRS_BIT) /* CMDs currently supported */ #define ETHTOOL_GSET 0x00000001 /* DEPRECATED, Get settings. @@ -1521,7 +1523,7 @@ enum ethtool_link_mode_bit_indices { ETHTOOL_LINK_MODE_400000baseLR8_ER8_FR8_Full_BIT = 71, ETHTOOL_LINK_MODE_400000baseDR8_Full_BIT = 72, ETHTOOL_LINK_MODE_400000baseCR8_Full_BIT = 73, - + ETHTOOL_LINK_MODE_FEC_LLRS_BIT = 74, /* must be last entry */ __ETHTOOL_LINK_MODE_MASK_NBITS }; diff --git a/net/ethtool/common.c b/net/ethtool/common.c index 636ec6d5110e..7b6969af5ae7 100644 --- a/net/ethtool/common.c +++ b/net/ethtool/common.c @@ -168,6 +168,7 @@ const char link_mode_names[][ETH_GSTRING_LEN] = { __DEFINE_LINK_MODE_NAME(400000, LR8_ER8_FR8, Full), __DEFINE_LINK_MODE_NAME(400000, DR8, Full), __DEFINE_LINK_MODE_NAME(400000, CR8, Full), + __DEFINE_SPECIAL_MODE_NAME(FEC_LLRS, "LLRS"), }; static_assert(ARRAY_SIZE(link_mode_names) == __ETHTOOL_LINK_MODE_MASK_NBITS); diff --git a/net/ethtool/linkmodes.c b/net/ethtool/linkmodes.c index 96f20be64553..f049b97072fe 100644 --- a/net/ethtool/linkmodes.c +++ b/net/ethtool/linkmodes.c @@ -237,6 +237,7 @@ static const struct link_mode_info link_mode_params[] = { __DEFINE_LINK_MODE_PARAMS(400000, LR8_ER8_FR8, Full), __DEFINE_LINK_MODE_PARAMS(400000, DR8, Full), __DEFINE_LINK_MODE_PARAMS(400000, CR8, Full), + __DEFINE_SPECIAL_MODE_PARAMS(FEC_LLRS), }; static const struct nla_policy |