[PATCH 1/2] net: ethtool: Add link mode for 25Gbps long-range fiber
From: Josua Mayer <hidden>
Date: 2026-01-18 14:08:10
Also in:
lkml
Subsystem:
ethernet phy library, networking drivers, networking [ethtool], networking [general], the rest · Maintainers:
Andrew Lunn, Heiner Kallweit, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
ethtool.h header already has a link-mode bit for short-range (SR) fiber. but missing the long-range (LR) variant. Define link-mode bit for 25Gbps long-range fiber (25000baseLR_Full). Signed-off-by: Josua Mayer <redacted> --- drivers/net/phy/phy-core.c | 2 +- include/uapi/linux/ethtool.h | 1 + net/ethtool/common.c | 2 ++ 3 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/net/phy/phy-core.c b/drivers/net/phy/phy-core.c
index 3badf6e84554..cccd1316e145 100644
--- a/drivers/net/phy/phy-core.c
+++ b/drivers/net/phy/phy-core.c@@ -18,7 +18,7 @@ */ const char *phy_speed_to_str(int speed) { - BUILD_BUG_ON_MSG(__ETHTOOL_LINK_MODE_MASK_NBITS != 125, + BUILD_BUG_ON_MSG(__ETHTOOL_LINK_MODE_MASK_NBITS != 126, "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 ce9aeb65a8e1..51929f3e00d9 100644
--- a/include/uapi/linux/ethtool.h
+++ b/include/uapi/linux/ethtool.h@@ -2094,6 +2094,7 @@ enum ethtool_link_mode_bit_indices { ETHTOOL_LINK_MODE_1600000baseKR8_Full_BIT = 122, ETHTOOL_LINK_MODE_1600000baseDR8_Full_BIT = 123, ETHTOOL_LINK_MODE_1600000baseDR8_2_Full_BIT = 124, + ETHTOOL_LINK_MODE_25000baseLR_Full_BIT = 125, /* must be last entry */ __ETHTOOL_LINK_MODE_MASK_NBITS
diff --git a/net/ethtool/common.c b/net/ethtool/common.c
index 4036561b078b..0010debce4e6 100644
--- a/net/ethtool/common.c
+++ b/net/ethtool/common.c@@ -237,6 +237,7 @@ const char link_mode_names[][ETH_GSTRING_LEN] = { __DEFINE_LINK_MODE_NAME(1600000, KR8, Full), __DEFINE_LINK_MODE_NAME(1600000, DR8, Full), __DEFINE_LINK_MODE_NAME(1600000, DR8_2, Full), + __DEFINE_LINK_MODE_NAME(25000, LR, Full), }; static_assert(ARRAY_SIZE(link_mode_names) == __ETHTOOL_LINK_MODE_MASK_NBITS);
@@ -464,6 +465,7 @@ const struct link_mode_info link_mode_params[] = { __DEFINE_LINK_MODE_PARAMS(1600000, KR8, Full, K), __DEFINE_LINK_MODE_PARAMS(1600000, DR8, Full, D), __DEFINE_LINK_MODE_PARAMS(1600000, DR8_2, Full, D), + __DEFINE_LINK_MODE_PARAMS(25000, LR, Full, L), }; static_assert(ARRAY_SIZE(link_mode_params) == __ETHTOOL_LINK_MODE_MASK_NBITS); EXPORT_SYMBOL_GPL(link_mode_params);
--
2.43.0