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[net-next,04/13] net: ethtool: Export the link_mode_params definitions

Message ID 20250222142727.894124-5-maxime.chevallier@bootlin.com (mailing list archive)
State New
Headers show
Series net: phy: Rework linkmodes handling in a dedicated file | expand

Commit Message

Maxime Chevallier Feb. 22, 2025, 2:27 p.m. UTC 
link_mode_params contains a lookup table of all 802.3 link modes that
are currently supported with structured data about each mode's speed,
duplex, number of lanes and mediums.

As a preparation for a port representation, export that table for the
rest of the net stack to use.

Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
---
 include/linux/ethtool.h | 8 ++++++++
 net/ethtool/common.c    | 1 +
 net/ethtool/common.h    | 7 -------
 3 files changed, 9 insertions(+), 7 deletions(-)
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Patch

diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index 870994cc3ef7..feaada411579 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -210,6 +210,14 @@  static inline u8 *ethtool_rxfh_context_key(struct ethtool_rxfh_context *ctx)
 
 void ethtool_rxfh_context_lost(struct net_device *dev, u32 context_id);
 
+struct link_mode_info {
+	int                             speed;
+	u8                              lanes;
+	u8                              duplex;
+};
+
+extern const struct link_mode_info link_mode_params[];
+
 /* declare a link mode bitmap */
 #define __ETHTOOL_DECLARE_LINK_MODE_MASK(name)		\
 	DECLARE_BITMAP(name, __ETHTOOL_LINK_MODE_MASK_NBITS)
diff --git a/net/ethtool/common.c b/net/ethtool/common.c
index 7149d07e90c6..6b0178c09d72 100644
--- a/net/ethtool/common.c
+++ b/net/ethtool/common.c
@@ -422,6 +422,7 @@  const struct link_mode_info link_mode_params[] = {
 	__DEFINE_LINK_MODE_PARAMS(800000, VR4, Full),
 };
 static_assert(ARRAY_SIZE(link_mode_params) == __ETHTOOL_LINK_MODE_MASK_NBITS);
+EXPORT_SYMBOL_GPL(link_mode_params);
 
 const char netif_msg_class_names[][ETH_GSTRING_LEN] = {
 	[NETIF_MSG_DRV_BIT]		= "drv",
diff --git a/net/ethtool/common.h b/net/ethtool/common.h
index 58e9e7db06f9..b9f99fb1d8e1 100644
--- a/net/ethtool/common.h
+++ b/net/ethtool/common.h
@@ -15,12 +15,6 @@ 
 #define __SOF_TIMESTAMPING_CNT (const_ilog2(SOF_TIMESTAMPING_LAST) + 1)
 #define __HWTSTAMP_FLAG_CNT (const_ilog2(HWTSTAMP_FLAG_LAST) + 1)
 
-struct link_mode_info {
-	int				speed;
-	u8				lanes;
-	u8				duplex;
-};
-
 struct genl_info;
 struct hwtstamp_provider_desc;
 
@@ -33,7 +27,6 @@  tunable_strings[__ETHTOOL_TUNABLE_COUNT][ETH_GSTRING_LEN];
 extern const char
 phy_tunable_strings[__ETHTOOL_PHY_TUNABLE_COUNT][ETH_GSTRING_LEN];
 extern const char link_mode_names[][ETH_GSTRING_LEN];
-extern const struct link_mode_info link_mode_params[];
 extern const char netif_msg_class_names[][ETH_GSTRING_LEN];
 extern const char wol_mode_names[][ETH_GSTRING_LEN];
 extern const char sof_timestamping_names[][ETH_GSTRING_LEN];