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net/ethtool: add netlink interface for the PLCA RS

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Add support for configuring the PLCA Reconciliation Sublayer on
multi-drop PHYs that support IEEE802.3cg-2019 Clause 148 (e.g.,
10BASE-T1S). This patch adds the appropriate netlink interface
to ethtool.

Signed-off-by: Piergiorgio Beruto <piergiorgio.beruto@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Piergiorgio Beruto
2023-01-09 17:59:39 +01:00
committed by David S. Miller
parent a6f536063b
commit 8580e16c28
9 changed files with 551 additions and 1 deletions
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12
include/linux/ethtool.h
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@@ -802,12 +802,17 @@ int ethtool_virtdev_set_link_ksettings(struct net_device *dev,
struct phy_device;
struct phy_tdr_config;
struct phy_plca_cfg;
struct phy_plca_status;
/**
* struct ethtool_phy_ops - Optional PHY device options
* @get_sset_count: Get number of strings that @get_strings will write.
* @get_strings: Return a set of strings that describe the requested objects
* @get_stats: Return extended statistics about the PHY device.
* @get_plca_cfg: Return PLCA configuration.
* @set_plca_cfg: Set PLCA configuration.
* @get_plca_status: Get PLCA configuration.
* @start_cable_test: Start a cable test
* @start_cable_test_tdr: Start a Time Domain Reflectometry cable test
*
@@ -819,6 +824,13 @@ struct ethtool_phy_ops {
int (*get_strings)(struct phy_device *dev, u8 *data);
int (*get_stats)(struct phy_device *dev,
struct ethtool_stats *stats, u64 *data);
int (*get_plca_cfg)(struct phy_device *dev,
struct phy_plca_cfg *plca_cfg);
int (*set_plca_cfg)(struct phy_device *dev,
const struct phy_plca_cfg *plca_cfg,
struct netlink_ext_ack *extack);
int (*get_plca_status)(struct phy_device *dev,
struct phy_plca_status *plca_st);
int (*start_cable_test)(struct phy_device *phydev,
struct netlink_ext_ack *extack);
int (*start_cable_test_tdr)(struct phy_device *phydev,