diff --git a/Documentation/networking/ethtool-netlink.rst b/Documentation/networking/ethtool-netlink.rst
index dbca3e9ec782..15d7c025cc4e 100644
--- a/Documentation/networking/ethtool-netlink.rst
+++ b/Documentation/networking/ethtool-netlink.rst
@@ -220,6 +220,8 @@ Userspace to kernel:
   ``ETHTOOL_MSG_PHC_VCLOCKS_GET``       get PHC virtual clocks info
   ``ETHTOOL_MSG_MODULE_SET``            set transceiver module parameters
   ``ETHTOOL_MSG_MODULE_GET``            get transceiver module parameters
+  ``ETHTOOL_MSG_PREEMPT_GET``           get frame preemption parameters
+  ``ETHTOOL_MSG_PREEMPT_SET``           set frame preemption parameters
   ===================================== =================================
 
 Kernel to userspace:
@@ -260,6 +262,7 @@ Kernel to userspace:
   ``ETHTOOL_MSG_STATS_GET_REPLY``          standard statistics
   ``ETHTOOL_MSG_PHC_VCLOCKS_GET_REPLY``    PHC virtual clocks info
   ``ETHTOOL_MSG_MODULE_GET_REPLY``         transceiver module parameters
+  ``ETHTOOL_MSG_PREEMPT_GET_REPLY``        frame preemption parameters
   ======================================== =================================
 
 ``GET`` requests are sent by userspace applications to retrieve device
@@ -1625,6 +1628,53 @@ For SFF-8636 modules, low power mode is forced by the host according to table
 For CMIS modules, low power mode is forced by the host according to table 6-12
 in revision 5.0 of the specification.
 
+PREEMPT_GET
+===========
+
+Get information about frame preemption state.
+
+Request contents:
+
+  ====================================  ======  ==========================
+  ``ETHTOOL_A_PREEMPT_HEADER``          nested  request header
+  ====================================  ======  ==========================
+
+Kernel response contents:
+
+  ======================================  ======  ==========================
+  ``ETHTOOL_A_PREEMPT_HEADER``            nested  reply header
+  ``ETHTOOL_A_PREEMPT_ENABLED``           bool    frame preemption enabled
+  ``ETHTOOL_A_PREEMPT_PREEMPTIBLE_MASK``  bitset  preemptible queue mask
+  ``ETHTOOL_A_PREEMPT_ADD_FRAG_SIZE``     u32     Min additional frag size
+  ======================================  ======  ==========================
+
+``ETHTOOL_A_PREEMPT_ADD_FRAG_SIZE`` configures the minimum non-final
+fragment size that the receiver device supports.
+
+``ETHTOOL_A_PREEMPT_PREEMPTIBLE_MASK`` configures which queues should
+be marked as preemptible. If bit X is '1' then queue X is preemptible,
+the queue is express otherwise.
+
+PREEMPT_SET
+===========
+
+Sets frame preemption parameters.
+
+Request contents:
+
+  ======================================  ======  ==========================
+  ``ETHTOOL_A_PREEMPT_HEADER``            nested  reply header
+  ``ETHTOOL_A_PREEMPT_ENABLED``           bool    frame preemption enabled
+  ``ETHTOOL_A_PREEMPT_PREEMPTIBLE_MASK``  bitset  preemptible queue mask
+  ``ETHTOOL_A_PREEMPT_ADD_FRAG_SIZE``     u32     Min additional frag size
+  ======================================  ======  ==========================
+
+``ETHTOOL_A_PREEMPT_ADD_FRAG_SIZE`` configures the minimum non-final
+fragment size that the receiver device supports.
+
+``ETHTOOL_A_PREEMPT_PREEMPTIBLE_MASK`` configures which queues should be marked as
+preemptible.
+
 Request translation
 ===================
 
@@ -1726,4 +1776,6 @@ are netlink only.
   n/a                                 ``ETHTOOL_MSG_PHC_VCLOCKS_GET``
   n/a                                 ``ETHTOOL_MSG_MODULE_GET``
   n/a                                 ``ETHTOOL_MSG_MODULE_SET``
+  n/a                                 ``ETHTOOL_MSG_PREEMPT_GET``
+  n/a                                 ``ETHTOOL_MSG_PREEMPT_SET``
   =================================== =====================================
diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index 99dc7bfbcd3c..42570ec8ee44 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -453,6 +453,20 @@ struct ethtool_module_power_mode_params {
 	enum ethtool_module_power_mode mode;
 };
 
+/**
+ * struct ethtool_fp - Frame Preemption information
+ *
+ * @enabled: Enable frame preemption.
+ * @add_frag_size: Minimum size for additional (non-final) fragments
+ * in bytes, for the value defined in the IEEE 802.3-2018 standard see
+ * ethtool_frag_size_to_mult().
+ */
+struct ethtool_fp {
+	u32 enabled;
+	u32 preemptible_mask;
+	u32 add_frag_size;
+};
+
 /**
  * struct ethtool_ops - optional netdev operations
  * @cap_link_lanes_supported: indicates if the driver supports lanes
@@ -606,6 +620,8 @@ struct ethtool_module_power_mode_params {
  *	not report statistics.
  * @get_fecparam: Get the network device Forward Error Correction parameters.
  * @set_fecparam: Set the network device Forward Error Correction parameters.
+ * @get_preempt: Get the network device Frame Preemption parameters.
+ * @set_preempt: Set the network device Frame Preemption parameters.
  * @get_ethtool_phy_stats: Return extended statistics about the PHY device.
  *	This is only useful if the device maintains PHY statistics and
  *	cannot use the standard PHY library helpers.
@@ -736,6 +752,10 @@ struct ethtool_ops {
 				      struct ethtool_fecparam *);
 	int	(*set_fecparam)(struct net_device *,
 				      struct ethtool_fecparam *);
+	int	(*get_preempt)(struct net_device *dev,
+			       struct ethtool_fp *fp);
+	int	(*set_preempt)(struct net_device *dev, struct ethtool_fp *fp,
+			       struct netlink_ext_ack *extack);
 	void	(*get_ethtool_phy_stats)(struct net_device *,
 					 struct ethtool_stats *, u64 *);
 	int	(*get_phy_tunable)(struct net_device *,
@@ -843,4 +863,7 @@ int ethtool_get_phc_vclocks(struct net_device *dev, int **vclock_index);
  * next string.
  */
 extern __printf(2, 3) void ethtool_sprintf(u8 **data, const char *fmt, ...);
+
+u8 ethtool_frag_size_to_mult(u32 frag_size);
+
 #endif /* _LINUX_ETHTOOL_H */
diff --git a/include/uapi/linux/ethtool_netlink.h b/include/uapi/linux/ethtool_netlink.h
index d2fb4f7be61b..651c7af76776 100644
--- a/include/uapi/linux/ethtool_netlink.h
+++ b/include/uapi/linux/ethtool_netlink.h
@@ -49,6 +49,8 @@ enum {
 	ETHTOOL_MSG_PHC_VCLOCKS_GET,
 	ETHTOOL_MSG_MODULE_GET,
 	ETHTOOL_MSG_MODULE_SET,
+	ETHTOOL_MSG_PREEMPT_GET,
+	ETHTOOL_MSG_PREEMPT_SET,
 
 	/* add new constants above here */
 	__ETHTOOL_MSG_USER_CNT,
@@ -94,6 +96,8 @@ enum {
 	ETHTOOL_MSG_PHC_VCLOCKS_GET_REPLY,
 	ETHTOOL_MSG_MODULE_GET_REPLY,
 	ETHTOOL_MSG_MODULE_NTF,
+	ETHTOOL_MSG_PREEMPT_GET_REPLY,
+	ETHTOOL_MSG_PREEMPT_NTF,
 
 	/* add new constants above here */
 	__ETHTOOL_MSG_KERNEL_CNT,
@@ -697,6 +701,20 @@ enum {
 	ETHTOOL_A_FEC_STAT_MAX = (__ETHTOOL_A_FEC_STAT_CNT - 1)
 };
 
+/* FRAME PREEMPTION */
+
+enum {
+	ETHTOOL_A_PREEMPT_UNSPEC,
+	ETHTOOL_A_PREEMPT_HEADER,			/* nest - _A_HEADER_* */
+	ETHTOOL_A_PREEMPT_ENABLED,			/* u8 */
+	ETHTOOL_A_PREEMPT_PREEMPTIBLE_MASK,		/* bitset */
+	ETHTOOL_A_PREEMPT_ADD_FRAG_SIZE,		/* u32 */
+
+	/* add new constants above here */
+	__ETHTOOL_A_PREEMPT_CNT,
+	ETHTOOL_A_PREEMPT_MAX = (__ETHTOOL_A_PREEMPT_CNT - 1)
+};
+
 /* MODULE EEPROM */
 
 enum {
diff --git a/net/ethtool/Makefile b/net/ethtool/Makefile
index b76432e70e6b..c0ab048b46c9 100644
--- a/net/ethtool/Makefile
+++ b/net/ethtool/Makefile
@@ -7,4 +7,5 @@ obj-$(CONFIG_ETHTOOL_NETLINK)	+= ethtool_nl.o
 ethtool_nl-y	:= netlink.o bitset.o strset.o linkinfo.o linkmodes.o \
 		   linkstate.o debug.o wol.o features.o privflags.o rings.o \
 		   channels.o coalesce.o pause.o eee.o tsinfo.o cabletest.o \
-		   tunnels.o fec.o eeprom.o stats.o phc_vclocks.o module.o
+		   tunnels.o fec.o eeprom.o stats.o phc_vclocks.o module.o \
+		   preempt.o
diff --git a/net/ethtool/common.c b/net/ethtool/common.c
index 566adf85e658..2232b8ef18b4 100644
--- a/net/ethtool/common.c
+++ b/net/ethtool/common.c
@@ -597,3 +597,26 @@ ethtool_params_from_link_mode(struct ethtool_link_ksettings *link_ksettings,
 	link_ksettings->base.duplex = link_info->duplex;
 }
 EXPORT_SYMBOL_GPL(ethtool_params_from_link_mode);
+
+/**
+ * ethtool_frag_size_to_mult() - Convert from a Frame Preemption
+ * Additional Fragment size in bytes to a multiplier.
+ * @frag_size: minimum non-final fragment size in bytes.
+ *
+ * The multiplier is defined as:
+ *	"A 2-bit integer value used to indicate the minimum size of
+ *	non-final fragments supported by the receiver on the given port
+ *	associated with the local System. This value is expressed in units
+ *	of 64 octets of additional fragment length."
+ *	Equivalent to `30.14.1.7 aMACMergeAddFragSize` from the IEEE 802.3-2018
+ *	standard.
+ *
+ * Return: the multiplier is a number in the [0, 2] interval.
+ */
+u8 ethtool_frag_size_to_mult(u32 frag_size)
+{
+	u8 mult = (frag_size / 64) - 1;
+
+	return clamp_t(u8, mult, 0, 3);
+}
+EXPORT_SYMBOL_GPL(ethtool_frag_size_to_mult);
diff --git a/net/ethtool/netlink.c b/net/ethtool/netlink.c
index 5fe8f4ae2ceb..66b35c35fcdb 100644
--- a/net/ethtool/netlink.c
+++ b/net/ethtool/netlink.c
@@ -282,6 +282,7 @@ ethnl_default_requests[__ETHTOOL_MSG_USER_CNT] = {
 	[ETHTOOL_MSG_EEE_GET]		= &ethnl_eee_request_ops,
 	[ETHTOOL_MSG_FEC_GET]		= &ethnl_fec_request_ops,
 	[ETHTOOL_MSG_TSINFO_GET]	= &ethnl_tsinfo_request_ops,
+	[ETHTOOL_MSG_PREEMPT_GET]	= &ethnl_preempt_request_ops,
 	[ETHTOOL_MSG_MODULE_EEPROM_GET]	= &ethnl_module_eeprom_request_ops,
 	[ETHTOOL_MSG_STATS_GET]		= &ethnl_stats_request_ops,
 	[ETHTOOL_MSG_PHC_VCLOCKS_GET]	= &ethnl_phc_vclocks_request_ops,
@@ -598,6 +599,7 @@ ethnl_default_notify_ops[ETHTOOL_MSG_KERNEL_MAX + 1] = {
 	[ETHTOOL_MSG_EEE_NTF]		= &ethnl_eee_request_ops,
 	[ETHTOOL_MSG_FEC_NTF]		= &ethnl_fec_request_ops,
 	[ETHTOOL_MSG_MODULE_NTF]	= &ethnl_module_request_ops,
+	[ETHTOOL_MSG_PREEMPT_NTF]	= &ethnl_preempt_request_ops,
 };
 
 /* default notification handler */
@@ -691,6 +693,7 @@ static const ethnl_notify_handler_t ethnl_notify_handlers[] = {
 	[ETHTOOL_MSG_EEE_NTF]		= ethnl_default_notify,
 	[ETHTOOL_MSG_FEC_NTF]		= ethnl_default_notify,
 	[ETHTOOL_MSG_MODULE_NTF]	= ethnl_default_notify,
+	[ETHTOOL_MSG_PREEMPT_NTF]	= ethnl_default_notify,
 };
 
 void ethtool_notify(struct net_device *dev, unsigned int cmd, const void *data)
@@ -1020,6 +1023,22 @@ static const struct genl_ops ethtool_genl_ops[] = {
 		.policy = ethnl_module_set_policy,
 		.maxattr = ARRAY_SIZE(ethnl_module_set_policy) - 1,
 	},
+	{
+		.cmd	= ETHTOOL_MSG_PREEMPT_GET,
+		.doit	= ethnl_default_doit,
+		.start	= ethnl_default_start,
+		.dumpit	= ethnl_default_dumpit,
+		.done	= ethnl_default_done,
+		.policy = ethnl_preempt_get_policy,
+		.maxattr = ARRAY_SIZE(ethnl_preempt_get_policy) - 1,
+	},
+	{
+		.cmd	= ETHTOOL_MSG_PREEMPT_SET,
+		.flags	= GENL_UNS_ADMIN_PERM,
+		.doit	= ethnl_set_preempt,
+		.policy = ethnl_preempt_set_policy,
+		.maxattr = ARRAY_SIZE(ethnl_preempt_set_policy) - 1,
+	},
 };
 
 static const struct genl_multicast_group ethtool_nl_mcgrps[] = {
diff --git a/net/ethtool/netlink.h b/net/ethtool/netlink.h
index 7919ddb2371c..444799f3e91a 100644
--- a/net/ethtool/netlink.h
+++ b/net/ethtool/netlink.h
@@ -341,6 +341,7 @@ extern const struct ethnl_request_ops ethnl_pause_request_ops;
 extern const struct ethnl_request_ops ethnl_eee_request_ops;
 extern const struct ethnl_request_ops ethnl_tsinfo_request_ops;
 extern const struct ethnl_request_ops ethnl_fec_request_ops;
+extern const struct ethnl_request_ops ethnl_preempt_request_ops;
 extern const struct ethnl_request_ops ethnl_module_eeprom_request_ops;
 extern const struct ethnl_request_ops ethnl_stats_request_ops;
 extern const struct ethnl_request_ops ethnl_phc_vclocks_request_ops;
@@ -379,6 +380,8 @@ extern const struct nla_policy ethnl_tunnel_info_get_policy[ETHTOOL_A_TUNNEL_INF
 extern const struct nla_policy ethnl_fec_get_policy[ETHTOOL_A_FEC_HEADER + 1];
 extern const struct nla_policy ethnl_fec_set_policy[ETHTOOL_A_FEC_AUTO + 1];
 extern const struct nla_policy ethnl_module_eeprom_get_policy[ETHTOOL_A_MODULE_EEPROM_I2C_ADDRESS + 1];
+extern const struct nla_policy ethnl_preempt_get_policy[ETHTOOL_A_PREEMPT_HEADER + 1];
+extern const struct nla_policy ethnl_preempt_set_policy[ETHTOOL_A_PREEMPT_ADD_FRAG_SIZE + 1];
 extern const struct nla_policy ethnl_stats_get_policy[ETHTOOL_A_STATS_GROUPS + 1];
 extern const struct nla_policy ethnl_phc_vclocks_get_policy[ETHTOOL_A_PHC_VCLOCKS_HEADER + 1];
 extern const struct nla_policy ethnl_module_get_policy[ETHTOOL_A_MODULE_HEADER + 1];
@@ -402,6 +405,7 @@ int ethnl_tunnel_info_start(struct netlink_callback *cb);
 int ethnl_tunnel_info_dumpit(struct sk_buff *skb, struct netlink_callback *cb);
 int ethnl_set_fec(struct sk_buff *skb, struct genl_info *info);
 int ethnl_set_module(struct sk_buff *skb, struct genl_info *info);
+int ethnl_set_preempt(struct sk_buff *skb, struct genl_info *info);
 
 extern const char stats_std_names[__ETHTOOL_STATS_CNT][ETH_GSTRING_LEN];
 extern const char stats_eth_phy_names[__ETHTOOL_A_STATS_ETH_PHY_CNT][ETH_GSTRING_LEN];
diff --git a/net/ethtool/preempt.c b/net/ethtool/preempt.c
new file mode 100644
index 000000000000..0000ba8cb90c
--- /dev/null
+++ b/net/ethtool/preempt.c
@@ -0,0 +1,177 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include "common.h"
+#include "netlink.h"
+#include "bitset.h"
+
+struct preempt_req_info {
+	struct ethnl_req_info		base;
+};
+
+struct preempt_reply_data {
+	struct ethnl_reply_data		base;
+	struct ethtool_fp		fp;
+};
+
+#define PREEMPT_QUEUES_COUNT \
+	(sizeof_field(struct ethtool_fp, preemptible_mask) * BITS_PER_BYTE)
+
+#define PREEMPT_REPDATA(__reply_base) \
+	container_of(__reply_base, struct preempt_reply_data, base)
+
+const struct nla_policy
+ethnl_preempt_get_policy[] = {
+	[ETHTOOL_A_PREEMPT_HEADER]		= NLA_POLICY_NESTED(ethnl_header_policy),
+};
+
+static int preempt_prepare_data(const struct ethnl_req_info *req_base,
+				struct ethnl_reply_data *reply_base,
+				struct genl_info *info)
+{
+	struct preempt_reply_data *data = PREEMPT_REPDATA(reply_base);
+	struct net_device *dev = reply_base->dev;
+	int ret;
+
+	if (!dev->ethtool_ops->get_preempt)
+		return -EOPNOTSUPP;
+
+	ret = ethnl_ops_begin(dev);
+	if (ret < 0)
+		return ret;
+
+	ret = dev->ethtool_ops->get_preempt(dev, &data->fp);
+	ethnl_ops_complete(dev);
+
+	return ret;
+}
+
+static int preempt_reply_size(const struct ethnl_req_info *req_base,
+			      const struct ethnl_reply_data *reply_base)
+{
+	bool compact = req_base->flags & ETHTOOL_FLAG_COMPACT_BITSETS;
+	const struct preempt_reply_data *data = PREEMPT_REPDATA(reply_base);
+	const struct ethtool_fp *preempt = &data->fp;
+	int len = 0;
+	int ret;
+
+	ret = ethnl_bitset32_size(&preempt->preemptible_mask, NULL,
+				  PREEMPT_QUEUES_COUNT, NULL, compact);
+	if (ret < 0)
+		return ret;
+
+	len += ret;
+
+	len += nla_total_size(sizeof(u8)); /* _PREEMPT_ENABLED */
+	len += nla_total_size(sizeof(u32)); /* _PREEMPT_ADD_FRAG_SIZE */
+
+	return len;
+}
+
+static int preempt_fill_reply(struct sk_buff *skb,
+			      const struct ethnl_req_info *req_base,
+			      const struct ethnl_reply_data *reply_base)
+{
+	bool compact = req_base->flags & ETHTOOL_FLAG_COMPACT_BITSETS;
+	const struct preempt_reply_data *data = PREEMPT_REPDATA(reply_base);
+	const struct ethtool_fp *preempt = &data->fp;
+	int ret;
+
+	if (nla_put_u32(skb, ETHTOOL_A_PREEMPT_ENABLED, preempt->enabled))
+		return -EMSGSIZE;
+
+	if (nla_put_u32(skb, ETHTOOL_A_PREEMPT_ADD_FRAG_SIZE,
+			preempt->add_frag_size))
+		return -EMSGSIZE;
+
+	ret = ethnl_put_bitset32(skb, ETHTOOL_A_PREEMPT_PREEMPTIBLE_MASK,
+				 &preempt->preemptible_mask, NULL, PREEMPT_QUEUES_COUNT,
+				 NULL, compact);
+	if (ret < 0)
+		return ret;
+
+	return 0;
+}
+
+const struct ethnl_request_ops ethnl_preempt_request_ops = {
+	.request_cmd		= ETHTOOL_MSG_PREEMPT_GET,
+	.reply_cmd		= ETHTOOL_MSG_PREEMPT_GET_REPLY,
+	.hdr_attr		= ETHTOOL_A_PREEMPT_HEADER,
+	.req_info_size		= sizeof(struct preempt_req_info),
+	.reply_data_size	= sizeof(struct preempt_reply_data),
+
+	.prepare_data		= preempt_prepare_data,
+	.reply_size		= preempt_reply_size,
+	.fill_reply		= preempt_fill_reply,
+};
+
+const struct nla_policy
+ethnl_preempt_set_policy[ETHTOOL_A_PREEMPT_MAX + 1] = {
+	[ETHTOOL_A_PREEMPT_HEADER]			= NLA_POLICY_NESTED(ethnl_header_policy),
+	[ETHTOOL_A_PREEMPT_ENABLED]			= NLA_POLICY_RANGE(NLA_U8, 0, 1),
+	[ETHTOOL_A_PREEMPT_ADD_FRAG_SIZE]		= { .type = NLA_U32 },
+	[ETHTOOL_A_PREEMPT_PREEMPTIBLE_MASK]		= { .type = NLA_NESTED },
+};
+
+int ethnl_set_preempt(struct sk_buff *skb, struct genl_info *info)
+{
+	struct ethnl_req_info req_info = {};
+	struct nlattr **tb = info->attrs;
+	struct ethtool_fp preempt = {};
+	struct net_device *dev;
+	bool mod = false;
+	int ret;
+
+	ret = ethnl_parse_header_dev_get(&req_info,
+					 tb[ETHTOOL_A_PREEMPT_HEADER],
+					 genl_info_net(info), info->extack,
+					 true);
+	if (ret < 0)
+		return ret;
+	dev = req_info.dev;
+
+	ret = -EOPNOTSUPP;
+	if (!dev->ethtool_ops->get_preempt ||
+	    !dev->ethtool_ops->set_preempt)
+		goto out_dev;
+
+	rtnl_lock();
+	ret = ethnl_ops_begin(dev);
+	if (ret < 0)
+		goto out_rtnl;
+
+	ret = dev->ethtool_ops->get_preempt(dev, &preempt);
+	if (ret < 0) {
+		GENL_SET_ERR_MSG(info, "failed to retrieve frame preemption settings");
+		goto out_ops;
+	}
+
+	ret = ethnl_update_bitset32(&preempt.preemptible_mask, PREEMPT_QUEUES_COUNT,
+				    tb[ETHTOOL_A_PREEMPT_PREEMPTIBLE_MASK],
+				    NULL, info->extack, &mod);
+	if (ret < 0)
+		goto out_ops;
+
+	ethnl_update_bool32(&preempt.enabled,
+			    tb[ETHTOOL_A_PREEMPT_ENABLED], &mod);
+	ethnl_update_u32(&preempt.add_frag_size,
+			 tb[ETHTOOL_A_PREEMPT_ADD_FRAG_SIZE], &mod);
+	ret = 0;
+	if (!mod)
+		goto out_ops;
+
+	ret = dev->ethtool_ops->set_preempt(dev, &preempt, info->extack);
+	if (ret < 0) {
+		GENL_SET_ERR_MSG(info, "frame preemption settings update failed");
+		goto out_ops;
+	}
+
+	ethtool_notify(dev, ETHTOOL_MSG_PREEMPT_NTF, NULL);
+
+out_ops:
+	ethnl_ops_complete(dev);
+out_rtnl:
+	rtnl_unlock();
+out_dev:
+	dev_put(dev);
+	return ret;
+}
