diff --git a/Makefile.am b/Makefile.am
index e3e311d4b274..f643a24af97a 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -35,7 +35,7 @@ ethtool_SOURCES += \
 		  netlink/permaddr.c netlink/prettymsg.c netlink/prettymsg.h \
 		  netlink/features.c netlink/privflags.c netlink/rings.c \
 		  netlink/channels.c netlink/coalesce.c netlink/pause.c \
-		  netlink/eee.c netlink/tsinfo.c \
+		  netlink/eee.c netlink/tsinfo.c netlink/fec.c \
 		  netlink/desc-ethtool.c netlink/desc-genlctrl.c \
 		  netlink/desc-rtnl.c netlink/cable_test.c netlink/tunnels.c \
 		  uapi/linux/ethtool_netlink.h \
diff --git a/ethtool.c b/ethtool.c
index e4b36c12c090..7d2165155f23 100644
--- a/ethtool.c
+++ b/ethtool.c
@@ -5976,11 +5976,13 @@ static const struct option args[] = {
 	{
 		.opts	= "--show-fec",
 		.func	= do_gfec,
+		.nlfunc	= nl_gfec,
 		.help	= "Show FEC settings",
 	},
 	{
 		.opts	= "--set-fec",
 		.func	= do_sfec,
+		.nlfunc	= nl_sfec,
 		.help	= "Set FEC settings",
 		.xhelp	= "		[ encoding auto|off|rs|baser|llrs [...]]\n"
 	},
diff --git a/netlink/desc-ethtool.c b/netlink/desc-ethtool.c
index fe5d7ba796a4..7d14c8b38571 100644
--- a/netlink/desc-ethtool.c
+++ b/netlink/desc-ethtool.c
@@ -318,6 +318,14 @@ const struct pretty_nla_desc __tunnel_info_desc[] = {
 	NLATTR_DESC_NESTED(ETHTOOL_A_TUNNEL_INFO_UDP_PORTS, tunnel_udp),
 };
 
+static const struct pretty_nla_desc __fec_desc[] = {
+	NLATTR_DESC_INVALID(ETHTOOL_A_FEC_UNSPEC),
+	NLATTR_DESC_NESTED(ETHTOOL_A_FEC_HEADER, header),
+	NLATTR_DESC_NESTED(ETHTOOL_A_FEC_MODES, bitset),
+	NLATTR_DESC_BOOL(ETHTOOL_A_FEC_AUTO),
+	NLATTR_DESC_U32(ETHTOOL_A_FEC_ACTIVE),
+};
+
 const struct pretty_nlmsg_desc ethnl_umsg_desc[] = {
 	NLMSG_DESC_INVALID(ETHTOOL_MSG_USER_NONE),
 	NLMSG_DESC(ETHTOOL_MSG_STRSET_GET, strset),
@@ -348,6 +356,8 @@ const struct pretty_nlmsg_desc ethnl_umsg_desc[] = {
 	NLMSG_DESC(ETHTOOL_MSG_CABLE_TEST_ACT, cable_test),
 	NLMSG_DESC(ETHTOOL_MSG_CABLE_TEST_TDR_ACT, cable_test_tdr),
 	NLMSG_DESC(ETHTOOL_MSG_TUNNEL_INFO_GET, tunnel_info),
+	NLMSG_DESC(ETHTOOL_MSG_FEC_GET, fec),
+	NLMSG_DESC(ETHTOOL_MSG_FEC_SET, fec),
 };
 
 const unsigned int ethnl_umsg_n_desc = ARRAY_SIZE(ethnl_umsg_desc);
@@ -383,6 +393,8 @@ const struct pretty_nlmsg_desc ethnl_kmsg_desc[] = {
 	NLMSG_DESC(ETHTOOL_MSG_CABLE_TEST_NTF, cable_test_ntf),
 	NLMSG_DESC(ETHTOOL_MSG_CABLE_TEST_TDR_NTF, cable_test_tdr_ntf),
 	NLMSG_DESC(ETHTOOL_MSG_TUNNEL_INFO_GET_REPLY, tunnel_info),
+	NLMSG_DESC(ETHTOOL_MSG_FEC_GET_REPLY, fec),
+	NLMSG_DESC(ETHTOOL_MSG_FEC_NTF, fec),
 };
 
 const unsigned int ethnl_kmsg_n_desc = ARRAY_SIZE(ethnl_kmsg_desc);
diff --git a/netlink/extapi.h b/netlink/extapi.h
index 761cafb97855..5cadacce08e8 100644
--- a/netlink/extapi.h
+++ b/netlink/extapi.h
@@ -38,6 +38,8 @@ int nl_tsinfo(struct cmd_context *ctx);
 int nl_cable_test(struct cmd_context *ctx);
 int nl_cable_test_tdr(struct cmd_context *ctx);
 int nl_gtunnels(struct cmd_context *ctx);
+int nl_gfec(struct cmd_context *ctx);
+int nl_sfec(struct cmd_context *ctx);
 int nl_monitor(struct cmd_context *ctx);
 
 void nl_monitor_usage(void);
@@ -87,6 +89,8 @@ static inline void nl_monitor_usage(void)
 #define nl_cable_test		NULL
 #define nl_cable_test_tdr	NULL
 #define nl_gtunnels		NULL
+#define nl_gfec			NULL
+#define nl_sfec			NULL
 
 #endif /* ETHTOOL_ENABLE_NETLINK */
 
diff --git a/netlink/fec.c b/netlink/fec.c
new file mode 100644
index 000000000000..bc9e120ce1be
--- /dev/null
+++ b/netlink/fec.c
@@ -0,0 +1,276 @@
+/*
+ * fec.c - netlink implementation of FEC commands
+ *
+ * Implementation of "ethtool --show-fec <dev>" and
+ * "ethtool --set-fec <dev> ..."
+ */
+
+#include <errno.h>
+#include <ctype.h>
+#include <string.h>
+#include <stdio.h>
+
+#include "../internal.h"
+#include "../common.h"
+#include "netlink.h"
+#include "bitset.h"
+#include "parser.h"
+
+/* FEC_GET */
+
+static void
+fec_mode_walk(unsigned int idx, const char *name, bool val, void *data)
+{
+	bool *empty = data;
+
+	if (!val)
+		return;
+	if (empty)
+		*empty = false;
+
+	/* Rename None to Off - in legacy ioctl None means "not supported"
+	 * rather than supported but disabled.
+	 */
+	if (idx == ETHTOOL_LINK_MODE_FEC_NONE_BIT)
+		name = "Off";
+	/* Rename to match the ioctl letter case */
+	else if (idx == ETHTOOL_LINK_MODE_FEC_BASER_BIT)
+		name = "BaseR";
+
+	print_string(PRINT_ANY, NULL, " %s", name);
+}
+
+int fec_reply_cb(const struct nlmsghdr *nlhdr, void *data)
+{
+	const struct nlattr *tb[ETHTOOL_A_FEC_MAX + 1] = {};
+	DECLARE_ATTR_TB_INFO(tb);
+	struct nl_context *nlctx = data;
+	const struct stringset *lm_strings;
+	const char *name;
+	bool fa, empty;
+	bool silent;
+	int err_ret;
+	u32 active;
+	int ret;
+
+	silent = nlctx->is_dump || nlctx->is_monitor;
+	err_ret = silent ? MNL_CB_OK : MNL_CB_ERROR;
+	ret = mnl_attr_parse(nlhdr, GENL_HDRLEN, attr_cb, &tb_info);
+	if (ret < 0)
+		return err_ret;
+	nlctx->devname = get_dev_name(tb[ETHTOOL_A_FEC_HEADER]);
+	if (!dev_ok(nlctx))
+		return err_ret;
+
+	ret = netlink_init_ethnl2_socket(nlctx);
+	if (ret < 0)
+		return err_ret;
+	lm_strings = global_stringset(ETH_SS_LINK_MODES, nlctx->ethnl2_socket);
+
+	active = 0;
+	if (tb[ETHTOOL_A_FEC_ACTIVE])
+		active = mnl_attr_get_u32(tb[ETHTOOL_A_FEC_ACTIVE]);
+
+	if (silent)
+		print_nl();
+
+	open_json_object(NULL);
+
+	print_string(PRINT_ANY, "ifname", "FEC parameters for %s:\n",
+		     nlctx->devname);
+
+	open_json_array("config", "Configured FEC encodings:");
+	fa = tb[ETHTOOL_A_FEC_AUTO] && mnl_attr_get_u8(tb[ETHTOOL_A_FEC_AUTO]);
+	if (fa)
+		print_string(PRINT_ANY, NULL, " %s", "Auto");
+	empty = !fa;
+
+	ret = walk_bitset(tb[ETHTOOL_A_FEC_MODES], lm_strings, fec_mode_walk,
+			  &empty);
+	if (ret < 0)
+		goto err_close_dev;
+	if (empty)
+		print_string(PRINT_ANY, NULL, " %s", "None");
+	close_json_array("\n");
+
+	open_json_array("active", "Active FEC encoding:");
+	if (active) {
+		name = get_string(lm_strings, active);
+		if (name)
+			/* Take care of renames */
+			fec_mode_walk(active, name, true, NULL);
+		else
+			print_uint(PRINT_ANY, NULL, " BIT%u", active);
+	} else {
+		print_string(PRINT_ANY, NULL, " %s", "None");
+	}
+	close_json_array("\n");
+
+	close_json_object();
+
+	return MNL_CB_OK;
+
+err_close_dev:
+	close_json_object();
+	return err_ret;
+}
+
+int nl_gfec(struct cmd_context *ctx)
+{
+	struct nl_context *nlctx = ctx->nlctx;
+	struct nl_socket *nlsk = nlctx->ethnl_socket;
+	int ret;
+
+	if (netlink_cmd_check(ctx, ETHTOOL_MSG_FEC_GET, true))
+		return -EOPNOTSUPP;
+	if (ctx->argc > 0) {
+		fprintf(stderr, "ethtool: unexpected parameter '%s'\n",
+			*ctx->argp);
+		return 1;
+	}
+
+	ret = nlsock_prep_get_request(nlsk, ETHTOOL_MSG_FEC_GET,
+				      ETHTOOL_A_FEC_HEADER, 0);
+	if (ret < 0)
+		return ret;
+
+	new_json_obj(ctx->json);
+	ret = nlsock_send_get_request(nlsk, fec_reply_cb);
+	delete_json_obj();
+	return ret;
+}
+
+/* FEC_SET */
+
+static void strupc(char *dst, const char *src)
+{
+	while (*src)
+		*dst++ = toupper(*src++);
+	*dst = '\0';
+}
+
+static int fec_parse_bitset(struct nl_context *nlctx, uint16_t type,
+			    const void *data __maybe_unused,
+			    struct nl_msg_buff *msgbuff, void *dest)
+{
+	struct nlattr *bitset_attr;
+	struct nlattr *bits_attr;
+	struct nlattr *bit_attr;
+	char upper[ETH_GSTRING_LEN];
+	bool fec_auto = false;
+	int ret;
+
+	if (!type || dest) {
+		fprintf(stderr, "ethtool (%s): internal error parsing '%s'\n",
+			nlctx->cmd, nlctx->param);
+		return -EFAULT;
+	}
+
+	bitset_attr = ethnla_nest_start(msgbuff, type);
+	if (!bitset_attr)
+		return -EMSGSIZE;
+	ret = -EMSGSIZE;
+	if (ethnla_put_flag(msgbuff, ETHTOOL_A_BITSET_NOMASK, true))
+		goto err;
+	bits_attr = ethnla_nest_start(msgbuff, ETHTOOL_A_BITSET_BITS);
+	if (!bits_attr)
+		goto err;
+
+	while (nlctx->argc > 0) {
+		const char *name = *nlctx->argp;
+
+		if (!strcmp(name, "--")) {
+			nlctx->argp++;
+			nlctx->argc--;
+			break;
+		}
+
+		if (!strcasecmp(name, "auto")) {
+			fec_auto = true;
+			goto next;
+		}
+		if (!strcasecmp(name, "off")) {
+			name = "None";
+		} else {
+			strupc(upper, name);
+			name = upper;
+		}
+
+		ret = -EMSGSIZE;
+		bit_attr = ethnla_nest_start(msgbuff,
+					     ETHTOOL_A_BITSET_BITS_BIT);
+		if (!bit_attr)
+			goto err;
+		if (ethnla_put_strz(msgbuff, ETHTOOL_A_BITSET_BIT_NAME, name))
+			goto err;
+		ethnla_nest_end(msgbuff, bit_attr);
+
+next:
+		nlctx->argp++;
+		nlctx->argc--;
+	}
+
+	ethnla_nest_end(msgbuff, bits_attr);
+	ethnla_nest_end(msgbuff, bitset_attr);
+
+	if (ethnla_put_u8(msgbuff, ETHTOOL_A_FEC_AUTO, fec_auto))
+		goto err;
+
+	return 0;
+err:
+	ethnla_nest_cancel(msgbuff, bitset_attr);
+	return ret;
+}
+
+static const struct param_parser sfec_params[] = {
+	{
+		.arg		= "encoding",
+		.type		= ETHTOOL_A_FEC_MODES,
+		.handler	= fec_parse_bitset,
+		.min_argc	= 1,
+	},
+	{}
+};
+
+int nl_sfec(struct cmd_context *ctx)
+{
+	struct nl_context *nlctx = ctx->nlctx;
+	struct nl_msg_buff *msgbuff;
+	struct nl_socket *nlsk;
+	int ret;
+
+	if (netlink_cmd_check(ctx, ETHTOOL_MSG_FEC_SET, false))
+		return -EOPNOTSUPP;
+	if (!ctx->argc) {
+		fprintf(stderr, "ethtool (--set-fec): parameters missing\n");
+		return 1;
+	}
+
+	nlctx->cmd = "--set-fec";
+	nlctx->argp = ctx->argp;
+	nlctx->argc = ctx->argc;
+	nlctx->devname = ctx->devname;
+	nlsk = nlctx->ethnl_socket;
+	msgbuff = &nlsk->msgbuff;
+
+	ret = msg_init(nlctx, msgbuff, ETHTOOL_MSG_FEC_SET,
+		       NLM_F_REQUEST | NLM_F_ACK);
+	if (ret < 0)
+		return 2;
+	if (ethnla_fill_header(msgbuff, ETHTOOL_A_FEC_HEADER,
+			       ctx->devname, 0))
+		return -EMSGSIZE;
+
+	ret = nl_parser(nlctx, sfec_params, NULL, PARSER_GROUP_NONE, NULL);
+	if (ret < 0)
+		return 1;
+
+	ret = nlsock_sendmsg(nlsk, NULL);
+	if (ret < 0)
+		return 83;
+	ret = nlsock_process_reply(nlsk, nomsg_reply_cb, nlctx);
+	if (ret == 0)
+		return 0;
+	else
+		return nlctx->exit_code ?: 83;
+}
diff --git a/netlink/monitor.c b/netlink/monitor.c
index 19f991fce3e4..0c4df9e78ee3 100644
--- a/netlink/monitor.c
+++ b/netlink/monitor.c
@@ -67,6 +67,10 @@ static struct {
 		.cmd	= ETHTOOL_MSG_CABLE_TEST_TDR_NTF,
 		.cb	= cable_test_tdr_ntf_cb,
 	},
+	{
+		.cmd	= ETHTOOL_MSG_FEC_NTF,
+		.cb	= fec_reply_cb,
+	},
 };
 
 static void clear_filter(struct nl_context *nlctx)
diff --git a/netlink/netlink.h b/netlink/netlink.h
index c02558540218..70fa666b20e5 100644
--- a/netlink/netlink.h
+++ b/netlink/netlink.h
@@ -90,6 +90,7 @@ int cable_test_reply_cb(const struct nlmsghdr *nlhdr, void *data);
 int cable_test_ntf_cb(const struct nlmsghdr *nlhdr, void *data);
 int cable_test_tdr_reply_cb(const struct nlmsghdr *nlhdr, void *data);
 int cable_test_tdr_ntf_cb(const struct nlmsghdr *nlhdr, void *data);
+int fec_reply_cb(const struct nlmsghdr *nlhdr, void *data);
 
 /* dump helpers */
 
