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net: ethtool: Export the link_mode_params definitions

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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>
Link: https://patch.msgid.link/20250307173611.129125-2-maxime.chevallier@bootlin.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Maxime Chevallier 2025-03-07 18:35:58 +01:00 • committed by Paolo Abeni
parent 702e3fa16c
commit 79f88a584e
3 changed files with 9 additions and 7 deletions
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8
include/linux/ethtool.h
View file

@ -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); 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 */ /* declare a link mode bitmap */
#define __ETHTOOL_DECLARE_LINK_MODE_MASK(name) \ #define __ETHTOOL_DECLARE_LINK_MODE_MASK(name) \
DECLARE_BITMAP(name, __ETHTOOL_LINK_MODE_MASK_NBITS) DECLARE_BITMAP(name, __ETHTOOL_LINK_MODE_MASK_NBITS)

1
net/ethtool/common.c
View file

@ -424,6 +424,7 @@ const struct link_mode_info link_mode_params[] = {
__DEFINE_LINK_MODE_PARAMS(800000, VR4, Full), __DEFINE_LINK_MODE_PARAMS(800000, VR4, Full),
}; };
static_assert(ARRAY_SIZE(link_mode_params) == __ETHTOOL_LINK_MODE_MASK_NBITS); 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] = { const char netif_msg_class_names[][ETH_GSTRING_LEN] = {
[NETIF_MSG_DRV_BIT] = "drv", [NETIF_MSG_DRV_BIT] = "drv",

7
net/ethtool/common.h
View file

@ -15,12 +15,6 @@
#define __SOF_TIMESTAMPING_CNT (const_ilog2(SOF_TIMESTAMPING_LAST) + 1) #define __SOF_TIMESTAMPING_CNT (const_ilog2(SOF_TIMESTAMPING_LAST) + 1)
#define __HWTSTAMP_FLAG_CNT (const_ilog2(HWTSTAMP_FLAG_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 genl_info;
struct hwtstamp_provider_desc; struct hwtstamp_provider_desc;
@ -33,7 +27,6 @@ tunable_strings[__ETHTOOL_TUNABLE_COUNT][ETH_GSTRING_LEN];
extern const char extern const char
phy_tunable_strings[__ETHTOOL_PHY_TUNABLE_COUNT][ETH_GSTRING_LEN]; phy_tunable_strings[__ETHTOOL_PHY_TUNABLE_COUNT][ETH_GSTRING_LEN];
extern const char link_mode_names[][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 netif_msg_class_names[][ETH_GSTRING_LEN];
extern const char wol_mode_names[][ETH_GSTRING_LEN]; extern const char wol_mode_names[][ETH_GSTRING_LEN];
extern const char sof_timestamping_names[][ETH_GSTRING_LEN]; extern const char sof_timestamping_names[][ETH_GSTRING_LEN];