netdev - [PATCH ethtool 2/2] ethtool: add new 1600G modes to link mode tables

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Message-ID: <20251204075930.979564-3-cjubran@nvidia.com>
Date: Thu, 4 Dec 2025 09:59:30 +0200
From: Carolina Jubran <cjubran@...dia.com>
To: Michal Kubecek <mkubecek@...e.cz>, "John W . Linville"
	<linville@...driver.com>
CC: <netdev@...r.kernel.org>, Yael Chemla <ychemla@...dia.com>, "Carolina
 Jubran" <cjubran@...dia.com>
Subject: [PATCH ethtool 2/2] ethtool: add new 1600G modes to link mode tables

From: Yael Chemla <ychemla@...dia.com>

Add the 1600G link mode bits, include them in capability dumps and
ioctl fallback, and update the man page.

Signed-off-by: Yael Chemla <ychemla@...dia.com>
Signed-off-by: Carolina Jubran <cjubran@...dia.com>
---
 ethtool.8.in       |  4 ++++
 ethtool.c          | 12 ++++++++++++
 netlink/settings.c |  4 ++++
 3 files changed, 20 insertions(+)

diff --git a/ethtool.8.in b/ethtool.8.in
index 553592b..2a3fc14 100644
--- a/ethtool.8.in
+++ b/ethtool.8.in
@@ -1013,6 +1013,10 @@ lB	l	lB.
 0x400000000000000000000000000000	800000baseDR4_2 Full
 0x800000000000000000000000000000	800000baseSR4 Full
 0x1000000000000000000000000000000	800000baseVR4 Full
+0x2000000000000000000000000000000	1600000baseCR8 Full
+0x4000000000000000000000000000000	1600000baseKR8 Full
+0x8000000000000000000000000000000	1600000baseDR8 Full
+0x10000000000000000000000000000000	1600000baseDR8_2 Full
 .TE
 .TP
 .BI phyad \ N
diff --git a/ethtool.c b/ethtool.c
index 948d551..21dea0b 100644
--- a/ethtool.c
+++ b/ethtool.c
@@ -538,6 +538,10 @@ static void init_global_link_mode_masks(void)
 		ETHTOOL_LINK_MODE_800000baseDR4_2_Full_BIT,
 		ETHTOOL_LINK_MODE_800000baseSR4_Full_BIT,
 		ETHTOOL_LINK_MODE_800000baseVR4_Full_BIT,
+		ETHTOOL_LINK_MODE_1600000baseCR8_Full_BIT,
+		ETHTOOL_LINK_MODE_1600000baseKR8_Full_BIT,
+		ETHTOOL_LINK_MODE_1600000baseDR8_Full_BIT,
+		ETHTOOL_LINK_MODE_1600000baseDR8_2_Full_BIT,
 	};
 	static const enum ethtool_link_mode_bit_indices
 		additional_advertised_flags_bits[] = {
@@ -836,6 +840,14 @@ static void dump_link_caps(const char *prefix, const char *an_prefix,
 		  "800000baseSR4/Full" },
 		{ 0, ETHTOOL_LINK_MODE_800000baseVR4_Full_BIT,
 		  "800000baseVR4/Full" },
+		{ 0, ETHTOOL_LINK_MODE_1600000baseCR8_Full_BIT,
+		  "1600000baseCR8/Full" },
+		{ 0, ETHTOOL_LINK_MODE_1600000baseKR8_Full_BIT,
+		  "1600000baseKR8/Full" },
+		{ 0, ETHTOOL_LINK_MODE_1600000baseDR8_Full_BIT,
+		  "1600000baseDR8/Full" },
+		{ 0, ETHTOOL_LINK_MODE_1600000baseDR8_2_Full_BIT,
+		  "1600000baseDR8_2/Full" },
 	};
 	int indent;
 	int did1, new_line_pend;
diff --git a/netlink/settings.c b/netlink/settings.c
index 84b2da8..05d215e 100644
--- a/netlink/settings.c
+++ b/netlink/settings.c
@@ -196,6 +196,10 @@ static const struct link_mode_info link_modes[] = {
 	[ETHTOOL_LINK_MODE_800000baseDR4_2_Full_BIT]	= __REAL(800000),
 	[ETHTOOL_LINK_MODE_800000baseSR4_Full_BIT]	= __REAL(800000),
 	[ETHTOOL_LINK_MODE_800000baseVR4_Full_BIT]	= __REAL(800000),
+	[ETHTOOL_LINK_MODE_1600000baseCR8_Full_BIT]	= __REAL(1600000),
+	[ETHTOOL_LINK_MODE_1600000baseKR8_Full_BIT]	= __REAL(1600000),
+	[ETHTOOL_LINK_MODE_1600000baseDR8_Full_BIT]	= __REAL(1600000),
+	[ETHTOOL_LINK_MODE_1600000baseDR8_2_Full_BIT]	= __REAL(1600000),
 };
 const unsigned int link_modes_count = ARRAY_SIZE(link_modes);
 
-- 
2.38.1