iproute.patch

diff --git a/include/uapi/linux/ioam6.h b/include/uapi/linux/ioam6.h
index e646011..8cee40c 100644
--- a/include/uapi/linux/ioam6.h
+++ b/include/uapi/linux/ioam6.h
@@ -29,6 +29,7 @@ struct ioam6_hdr {
 	__u8 opt_len;
 	__u8 :8;				/* reserved */
 #define IOAM6_TYPE_PREALLOC 0
+#define IOAM6_TYPE_DEX 4
 	__u8 type;
 } __attribute__((packed));
 
@@ -130,4 +131,140 @@ struct ioam6_trace_hdr {
 	__u8	data[];
 } __attribute__((packed));
 
+/*
+ * IOAM Direct EXporting (DEX) Header
+ */
+struct ioam6_dex_hdr {
+	__be16	namespace_id;
+
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+	/* Flags */
+	union {
+		__u8 flags;
+		struct {
+			__u8	:1, /* unused */
+				:1, /* unused */
+				:1, /* unused */
+				:1, /* unused */
+				:1, /* unused */
+				:1, /* unused */
+				:1, /* unused */
+				:1; /* unused */
+		};
+	};
+
+	/* Extension-Flags */
+	union {
+		__u8 extflags;
+		struct {
+			__u8	:1, /* unused */
+				:1, /* unused */
+				:1, /* unused */
+				:1, /* unused */
+				:1, /* unused */
+				:1, /* unused */
+				seqNum:1, /* unused */
+				flowId:1; /* unused */
+		};
+	};
+
+	/* Trace Type and Reserved */
+	union {
+		__be32 type_be32;
+		struct {
+			__u32	bit7:1,		/* must be 0 per RFC 9326 */
+				bit6:1,
+				bit5:1,
+				bit4:1,
+				bit3:1,
+				bit2:1,
+				bit1:1,
+				bit0:1,
+				bit15:1,	/* unused */
+				bit14:1,	/* unused */
+				bit13:1,	/* unused */
+				bit12:1,	/* unused */
+				bit11:1,
+				bit10:1,
+				bit9:1,
+				bit8:1,
+				bit23:1,	/* reserved */
+				bit22:1,
+				bit21:1,	/* unused */
+				bit20:1,	/* unused */
+				bit19:1,	/* unused */
+				bit18:1,	/* unused */
+				bit17:1,	/* unused */
+				bit16:1,	/* unused */
+				:8;		/* reserved */
+		} type;
+	};
+#elif defined(__BIG_ENDIAN_BITFIELD)
+	/* Flags */
+	union {
+		__u8 flags;
+		struct {
+			__u8	:1, /* unused */
+				:1, /* unused */
+				:1, /* unused */
+				:1, /* unused */
+				:1, /* unused */
+				:1, /* unused */
+				:1, /* unused */
+				:1; /* unused */
+		};
+	};
+
+	/* Extension-Flags */
+	union {
+		__u8 extflags;
+		struct {
+			__u8	flowId:1, /* unused */
+				seqNum:1, /* unused */
+				:1, /* unused */
+				:1, /* unused */
+				:1, /* unused */
+				:1, /* unused */
+				:1, /* unused */
+				:1; /* unused */
+		};
+	};
+
+	/* Trace Type and Reserved */
+	union {
+		__be32 type_be32;
+		struct {
+			__u32	bit0:1,
+				bit1:1,
+				bit2:1,
+				bit3:1,
+				bit4:1,
+				bit5:1,
+				bit6:1,
+				bit7:1,		/* must be 0 per RFC 9326 */
+				bit8:1,
+				bit9:1,
+				bit10:1,
+				bit11:1,
+				bit12:1,	/* unused */
+				bit13:1,	/* unused */
+				bit14:1,	/* unused */
+				bit15:1,	/* unused */
+				bit16:1,	/* unused */
+				bit17:1,	/* unused */
+				bit18:1,	/* unused */
+				bit19:1,	/* unused */
+				bit20:1,	/* unused */
+				bit21:1,	/* unused */
+				bit22:1,
+				bit23:1,	/* reserved */
+				:8;		/* reserved */
+		} type;
+	};
+#else
+#error "Please fix <asm/byteorder.h>"
+#endif
+	__u8	extflags_data[];
+} __attribute__((packed));
+
 #endif /* _LINUX_IOAM6_H */
diff --git a/include/uapi/linux/ioam6_genl.h b/include/uapi/linux/ioam6_genl.h
index 3f89b53..a4b9e6d 100644
--- a/include/uapi/linux/ioam6_genl.h
+++ b/include/uapi/linux/ioam6_genl.h
@@ -54,6 +54,7 @@ enum {
 enum ioam6_event_type {
 	IOAM6_EVENT_UNSPEC,
 	IOAM6_EVENT_TRACE,
+	IOAM6_EVENT_DEX,
 };
 
 enum ioam6_event_attr {
@@ -64,6 +65,38 @@ enum ioam6_event_attr {
 	IOAM6_EVENT_ATTR_TRACE_TYPE,		/* u32 */
 	IOAM6_EVENT_ATTR_TRACE_DATA,		/* Binary */
 
+	IOAM6_EVENT_ATTR_OPTION_TYPE,		/* u8 */
+
+	IOAM6_EVENT_ATTR_DEX_NAMESPACE,		/* u16 */
+	IOAM6_EVENT_ATTR_DEX_FLOW_ID,		/* u32 */
+	IOAM6_EVENT_ATTR_DEX_SEQ_NUM,		/* u32 */
+
+	/* attr for ioam data */
+	IOAM6_EVENT_ATTR_DEX_DATA_HOP_LIM_NODE_ID,		/* u32 */
+	IOAM6_EVENT_ATTR_DEX_DATA_INGRESS_EGRESS_INTERFACES,	/* u32 */
+	IOAM6_EVENT_ATTR_DEX_DATA_TIMESTAMP,			/* u32 */
+	IOAM6_EVENT_ATTR_DEX_DATA_TIMESTAMP_FRAC,		/* u32 */
+	IOAM6_EVENT_ATTR_DEX_DATA_TRANSIT,			/* u32 */
+	IOAM6_EVENT_ATTR_DEX_DATA_NAMESPACE_SPECIFIC,		/* u32 */
+	IOAM6_EVENT_ATTR_DEX_DATA_QUEUE_DEPTH,			/* u32 */
+	IOAM6_EVENT_ATTR_DEX_DATA_CHECKSUM,			/* u32 */
+	IOAM6_EVENT_ATTR_DEX_DATA_HOP_LIM_NODE_ID_WIDE,		/* u64 */
+	IOAM6_EVENT_ATTR_DEX_DATA_INGRESS_EGRESS_INTERFACES_WIDE,/* u64 */
+	IOAM6_EVENT_ATTR_DEX_DATA_NAMESPACE_SPECIFIC_WIDE,	/* u64 */
+	IOAM6_EVENT_ATTR_DEX_DATA_BUFFER_OCCUPANCY,		/* u32 */
+	IOAM6_EVENT_ATTR_DEX_BIT_12,				/* undefined */
+	IOAM6_EVENT_ATTR_DEX_BIT_13,				/* undefined */
+	IOAM6_EVENT_ATTR_DEX_BIT_14,				/* undefined */
+	IOAM6_EVENT_ATTR_DEX_BIT_15,				/* undefined */
+	IOAM6_EVENT_ATTR_DEX_BIT_16,				/* undefined */
+	IOAM6_EVENT_ATTR_DEX_BIT_17,				/* undefined */
+	IOAM6_EVENT_ATTR_DEX_BIT_18,				/* undefined */
+	IOAM6_EVENT_ATTR_DEX_BIT_19,				/* undefined */
+	IOAM6_EVENT_ATTR_DEX_BIT_20,				/* undefined */
+	IOAM6_EVENT_ATTR_DEX_BIT_21,				/* undefined */
+	IOAM6_EVENT_ATTR_DEX_OSS_SCID,				/* u32 */
+	IOAM6_EVENT_ATTR_DEX_OSS_DATA,				/* Binary */
+
 	__IOAM6_EVENT_ATTR_MAX
 };
 
diff --git a/include/uapi/linux/ioam6_iptunnel.h b/include/uapi/linux/ioam6_iptunnel.h
index 64b471d..1997213 100644
--- a/include/uapi/linux/ioam6_iptunnel.h
+++ b/include/uapi/linux/ioam6_iptunnel.h
@@ -9,6 +9,22 @@
 #ifndef _LINUX_IOAM6_IPTUNNEL_H
 #define _LINUX_IOAM6_IPTUNNEL_H
 
+/* Option types:
+ *	- Pre-allocated Trace Option (PTO)
+ *	- Direct EXport (DEX)
+ */
+enum {
+	__IOAM6_OPTION_TYPE_MIN,
+
+	IOAM6_OPTION_TYPE_PTO,
+	IOAM6_OPTION_TYPE_DEX,
+
+	__IOAM6_OPTION_TYPE_MAX,
+};
+
+#define IOAM6_OPTION_TYPE_MIN (__IOAM6_OPTION_TYPE_MIN + 1)
+#define IOAM6_OPTION_TYPE_MAX (__IOAM6_OPTION_TYPE_MAX - 1)
+
 /* Encap modes:
  *  - inline: direct insertion
  *  - encap: ip6ip6 encapsulation
@@ -56,6 +72,12 @@ enum {
 	 */
 	IOAM6_IPTUNNEL_SRC,		/* struct in6_addr */
 
+	/* Option Type */
+	IOAM6_OPTION_TYPE,		/* u8 */
+
+	/* IOAM Direct Export Header */
+	IOAM6_IPTUNNEL_DEX,		/* struct ioam6_dex_hdr */
+
 	__IOAM6_IPTUNNEL_MAX,
 };
 
diff --git a/include/version.h b/include/version.h
index fe3d93b..9df9712 100644
--- a/include/version.h
+++ b/include/version.h
@@ -1 +1 @@
-static const char version[] = "6.12.0";
+static const char version[] = "6.12.0-ioam-dex";
diff --git a/ip/iproute.c b/ip/iproute.c
index 9520729..82474e6 100644
--- a/ip/iproute.c
+++ b/ip/iproute.c
@@ -99,7 +99,7 @@ static void usage(void)
 		"BOOL := [1|0]\n"
 		"FEATURES := ecn\n"
 		"ENCAPTYPE := [ mpls | ip | ip6 | seg6 | seg6local | rpl | ioam6 | xfrm ]\n"
-		"ENCAPHDR := [ MPLSLABEL | SEG6HDR | SEG6LOCAL | IOAM6HDR | XFRMINFO ]\n"
+		"ENCAPHDR := [ MPLSLABEL | SEG6HDR | SEG6LOCAL | IOAM6 | XFRMINFO ]\n"
 		"SEG6HDR := [ mode SEGMODE ] segs ADDR1,ADDRi,ADDRn [hmac HMACKEYID] [cleanup]\n"
 		"SEGMODE := [ encap | encap.red | inline | l2encap | l2encap.red ]\n"
 		"SEG6LOCAL := action ACTION [ OPTIONS ] [ count ]\n"
@@ -111,7 +111,9 @@ static void usage(void)
 		"            table TABLEID | vrftable TABLEID | endpoint PROGNAME }\n"
 		"FLAVORS := { FLAVOR[,FLAVOR] }\n"
 		"FLAVOR := { psp | usp | usd | next-csid }\n"
-		"IOAM6HDR := trace prealloc type IOAM6_TRACE_TYPE ns IOAM6_NAMESPACE size IOAM6_TRACE_SIZE\n"
+		"IOAM6 := [ IOAM6PTO | IOAM6DEX ]\n"
+		"IOAM6PTO := trace prealloc type IOAM6_TRACE_TYPE ns IOAM6_NAMESPACE size IOAM6_TRACE_SIZE\n"
+		"IOAM6DEX := dex trace-type IOAM6_TRACE_TYPE ns IOAM6_NAMESPACE ext-flags IOAM6DEX_EXT_FLAGS\n"
 		"XFRMINFO := if_id IF_ID [ link_dev LINK ]\n"
 		"ROUTE_GET_FLAGS := ROUTE_GET_FLAG [ ROUTE_GET_FLAGS ]\n"
 		"ROUTE_GET_FLAG := [ connected | fibmatch | notify ]\n");
diff --git a/ip/iproute_lwtunnel.c b/ip/iproute_lwtunnel.c
index a7885db..b0af8c4 100644
--- a/ip/iproute_lwtunnel.c
+++ b/ip/iproute_lwtunnel.c
@@ -305,6 +305,21 @@ static void print_encap_rpl(FILE *fp, struct rtattr *encap)
 	print_rpl_srh(fp, srh);
 }
 
+static const char *ioam6_option_types[IOAM6_OPTION_TYPE_MAX + 1] = {
+	[IOAM6_OPTION_TYPE_PTO] = "trace",
+	[IOAM6_OPTION_TYPE_DEX] = "dex",
+};
+
+static const char *format_ioam6_option_type(int option_type)
+{
+	if (option_type < IOAM6_OPTION_TYPE_MIN ||
+		  option_type > IOAM6_OPTION_TYPE_MAX ||
+		  !ioam6_option_types[option_type])
+    return "<unknown>";
+
+	return ioam6_option_types[option_type];
+}
+
 static const char *ioam6_mode_types[IOAM6_IPTUNNEL_MODE_MAX + 1] = {
 	[IOAM6_IPTUNNEL_MODE_INLINE]	= "inline",
 	[IOAM6_IPTUNNEL_MODE_ENCAP]	= "encap",
@@ -337,12 +352,13 @@ static void print_encap_ioam6(FILE *fp, struct rtattr *encap)
 {
 	struct rtattr *tb[IOAM6_IPTUNNEL_MAX + 1];
 	struct ioam6_trace_hdr *trace;
+	struct ioam6_dex_hdr *dex;
+	__u8 option_type, mode;
 	__u32 freq_k, freq_n;
-	__u8 mode;
 
 	parse_rtattr_nested(tb, IOAM6_IPTUNNEL_MAX, encap);
-	if (!tb[IOAM6_IPTUNNEL_MODE] || !tb[IOAM6_IPTUNNEL_TRACE] ||
-	    !tb[IOAM6_IPTUNNEL_FREQ_K] || !tb[IOAM6_IPTUNNEL_FREQ_N])
+	if (!tb[IOAM6_IPTUNNEL_MODE] || !tb[IOAM6_OPTION_TYPE] ||
+      !tb[IOAM6_IPTUNNEL_FREQ_K] || !tb[IOAM6_IPTUNNEL_FREQ_N])
 		return;
 
 	freq_k = rta_getattr_u32(tb[IOAM6_IPTUNNEL_FREQ_K]);
@@ -372,13 +388,35 @@ static void print_encap_ioam6(FILE *fp, struct rtattr *encap)
 						   tb[IOAM6_IPTUNNEL_DST]));
 	}
 
-	trace = RTA_DATA(tb[IOAM6_IPTUNNEL_TRACE]);
-
-	print_null(PRINT_ANY, "trace", "trace ", NULL);
-	print_null(PRINT_ANY, "prealloc", "prealloc ", NULL);
-	print_hex(PRINT_ANY, "type", "type %#08x ", ntohl(trace->type_be32) >> 8);
-	print_uint(PRINT_ANY, "ns", "ns %u ", ntohs(trace->namespace_id));
-	print_uint(PRINT_ANY, "size", "size %u ", trace->remlen * 4);
+  if (!tb[IOAM6_OPTION_TYPE])
+    option_type = IOAM6_OPTION_TYPE_PTO;
+  else
+	  option_type = rta_getattr_u8(tb[IOAM6_OPTION_TYPE]);
+
+	print_string(PRINT_ANY, "option-type", "option-type %s ",
+      format_ioam6_option_type(option_type));
+
+	if (option_type == IOAM6_OPTION_TYPE_PTO) {
+    if (!tb[IOAM6_IPTUNNEL_TRACE])
+      return;
+		trace = RTA_DATA(tb[IOAM6_IPTUNNEL_TRACE]);
+
+		print_null(PRINT_ANY, "prealloc", "prealloc ", NULL);
+		print_hex(PRINT_ANY, "type", "type %#08x ", ntohl(trace->type_be32) >> 8);
+		print_uint(PRINT_ANY, "ns", "ns %u ", ntohs(trace->namespace_id));
+		print_uint(PRINT_ANY, "size", "size %u ", trace->remlen * 4);
+	} else if (option_type == IOAM6_OPTION_TYPE_DEX) {
+    if (!tb[IOAM6_IPTUNNEL_DEX])
+      return;
+		dex = RTA_DATA(tb[IOAM6_IPTUNNEL_DEX]);
+
+		print_hex(PRINT_ANY, "trace-type", "trace-type %#08x ",
+					ntohl(dex->type_be32) >> 8);
+		print_uint(PRINT_ANY, "ns", "ns %u ", ntohs(dex->namespace_id));
+		print_hex(PRINT_ANY, "flags", "flags %#01x ", dex->flags);
+		print_hex(PRINT_ANY, "ext-flags", "ext-flags %#01x ", dex->extflags);
+	} else
+		return;
 }
 
 static const char *seg6_action_names[SEG6_LOCAL_ACTION_MAX + 1] = {
@@ -1119,16 +1157,17 @@ static int parse_ioam6_freq(char *buf, __u32 *freq_k, __u32 *freq_n)
 static int parse_encap_ioam6(struct rtattr *rta, size_t len, int *argcp,
 			     char ***argvp)
 {
-	int ns_found = 0, argc = *argcp;
+	int ns_found = 0, ext_flags_found = 0, argc = *argcp;
+  __u8 option_type = 0, mode, ext_flags = 0;
 	__u16 trace_ns, trace_size = 0;
 	struct ioam6_trace_hdr *trace;
+  struct ioam6_dex_hdr *dex;
 	inet_prefix saddr, daddr;
 	char **argv = *argvp;
 	__u32 trace_type = 0;
 	__u32 freq_k, freq_n;
 	char buf[16] = {0};
 	bool has_src;
-	__u8 mode;
 
 	if (strcmp(*argv, "freq") != 0) {
 		freq_k = IOAM6_IPTUNNEL_FREQ_MIN;
@@ -1203,18 +1242,20 @@ static int parse_encap_ioam6(struct rtattr *rta, size_t len, int *argcp,
 		NEXT_ARG();
 	}
 
-	if (strcmp(*argv, "trace") != 0)
-		missarg("trace");
-
-	NEXT_ARG();
-
-	if (strcmp(*argv, "prealloc") != 0)
-		missarg("prealloc");
+	if (strcmp(*argv, "trace") == 0) {
+		option_type = IOAM6_OPTION_TYPE_PTO;
+		NEXT_ARG();
+		if (strcmp(*argv, "prealloc") != 0)
+			missarg("prealloc");
+	} else if (strcmp(*argv, "dex") == 0)
+		option_type = IOAM6_OPTION_TYPE_DEX;
+	else
+		invarg("Option type should be \"trace\" or \"dex\"", *argv);
 
 	while (NEXT_ARG_OK()) {
 		NEXT_ARG_FWD();
 
-		if (strcmp(*argv, "type") == 0) {
+		if (option_type == IOAM6_OPTION_TYPE_PTO && strcmp(*argv, "type") == 0) {
 			NEXT_ARG();
 
 			if (trace_type)
@@ -1222,15 +1263,17 @@ static int parse_encap_ioam6(struct rtattr *rta, size_t len, int *argcp,
 
 			if (get_u32(&trace_type, *argv, 0) || !trace_type)
 				invarg("Invalid trace type", *argv);
-		} else if (strcmp(*argv, "ns") == 0) {
+		} else if (option_type == IOAM6_OPTION_TYPE_DEX &&
+			  strcmp(*argv, "trace-type") == 0) {
 			NEXT_ARG();
 
-			if (ns_found++)
-				duparg2("ns", *argv);
+			if (trace_type)
+				duparg2("trace-type", *argv);
 
-			if (get_u16(&trace_ns, *argv, 0))
-				invarg("Invalid namespace ID", *argv);
-		} else if (strcmp(*argv, "size") == 0) {
+			if (get_u32(&trace_type, *argv, 0) || !trace_type)
+				invarg("Invalid trace type", *argv);
+		} else if (option_type == IOAM6_OPTION_TYPE_PTO &&
+			strcmp(*argv, "size") == 0) {
 			NEXT_ARG();
 
 			if (trace_size)
@@ -1245,34 +1288,70 @@ static int parse_encap_ioam6(struct rtattr *rta, size_t len, int *argcp,
 
 			if (trace_size > IOAM6_TRACE_DATA_SIZE_MAX)
 				invarg("Trace size is too big", *argv);
-		} else {
+		} else if (strcmp(*argv, "ns") == 0) {
+			NEXT_ARG();
+
+			if (ns_found++)
+				duparg2("ns", *argv);
+
+			if (get_u16(&trace_ns, *argv, 0))
+				invarg("Invalid namespace ID", *argv);
+		} else if (option_type == IOAM6_OPTION_TYPE_DEX &&
+			strcmp(*argv, "ext-flags") == 0) {
+			NEXT_ARG();
+
+			if (ext_flags_found++)
+				duparg2("ext-flags", *argv);
+
+			if (get_u8(&ext_flags, *argv, 0))
+				invarg("Invalid trace-flags", *argv);
+    } else {
 			break;
 		}
 	}
 
+  if (option_type == IOAM6_OPTION_TYPE_PTO && !trace_size)
+		missarg("size");
+
+	if (option_type == IOAM6_OPTION_TYPE_DEX && !ext_flags_found)
+		missarg("ext-flags");
+
 	if (!trace_type)
 		missarg("type");
+
 	if (!ns_found)
 		missarg("ns");
-	if (!trace_size)
-		missarg("size");
 
 	trace = calloc(1, sizeof(*trace));
 	if (!trace)
 		return -1;
 
-	trace->type_be32 = htonl(trace_type << 8);
-	trace->namespace_id = htons(trace_ns);
-	trace->remlen = (__u8)(trace_size / 4);
+  dex = calloc(1, sizeof(*dex));
+	if (!dex)
+		return -1;
 
-	if (rta_addattr32(rta, len, IOAM6_IPTUNNEL_FREQ_K, freq_k) ||
+  if (option_type == IOAM6_OPTION_TYPE_PTO) {
+		trace->type_be32 = htonl(trace_type << 8);
+		trace->namespace_id = htons(trace_ns);
+		trace->remlen = (__u8)(trace_size / 4);
+	} else if (option_type == IOAM6_OPTION_TYPE_DEX) {
+		dex->type_be32 = htonl(trace_type << 8);
+		dex->namespace_id = htons(trace_ns);
+		dex->flags = 0; /* unused */
+		dex->extflags = ext_flags;
+	} else
+		return -1;
+
+	if (rta_addattr8(rta, len, IOAM6_OPTION_TYPE, option_type) ||
+      rta_addattr32(rta, len, IOAM6_IPTUNNEL_FREQ_K, freq_k) ||
 	    rta_addattr32(rta, len, IOAM6_IPTUNNEL_FREQ_N, freq_n) ||
 	    rta_addattr8(rta, len, IOAM6_IPTUNNEL_MODE, mode) ||
 	    (mode != IOAM6_IPTUNNEL_MODE_INLINE && has_src &&
 	     rta_addattr_l(rta, len, IOAM6_IPTUNNEL_SRC, &saddr.data, saddr.bytelen)) ||
 	    (mode != IOAM6_IPTUNNEL_MODE_INLINE &&
 	     rta_addattr_l(rta, len, IOAM6_IPTUNNEL_DST, &daddr.data, daddr.bytelen)) ||
-	    rta_addattr_l(rta, len, IOAM6_IPTUNNEL_TRACE, trace, sizeof(*trace))) {
+	    rta_addattr_l(rta, len, IOAM6_IPTUNNEL_TRACE, trace, sizeof(*trace)) ||
+		  rta_addattr_l(rta, len, IOAM6_IPTUNNEL_DEX, dex, sizeof(*dex))) {
 		free(trace);
 		return -1;
 	}
@@ -1281,6 +1360,8 @@ static int parse_encap_ioam6(struct rtattr *rta, size_t len, int *argcp,
 	*argvp = argv - 1;
 
 	free(trace);
+	free(dex);
+
 	return 0;
 }
 
diff --git a/man/man8/ip-route.8.in b/man/man8/ip-route.8.in
index 676f289..dce1ba6 100644
--- a/man/man8/ip-route.8.in
+++ b/man/man8/ip-route.8.in
@@ -257,6 +257,11 @@ throw " | " unreachable " | " prohibit " | " blackhole " | " nat " ]"
 .IR ADDRESS " ] ["
 .B tundst
 .IR ADDRESS " ] "
+.RB " [ "
+.IR "IOAM6_PTO " | " IOAM6_DEX " ] "
+
+.ti -8
+.IR IOAM6_PTO " := "
 .B trace
 .B prealloc
 .B type
@@ -266,6 +271,16 @@ throw " | " unreachable " | " prohibit " | " blackhole " | " nat " ]"
 .B size
 .IR IOAM6_TRACE_SIZE
 
+.ti -8
+.IR IOAM6_DEX " := "
+.B dex
+.B ns
+.IR IOAM6_NAMESPACE
+.B trace-type
+.IR IOAM6_TRACE_TYPE
+.B ext-flags
+.IR IOAM6_DEX_EXT_FLAGS
+
 .ti -8
 .IR ROUTE_GET_FLAGS " := "
 .IR ROUTE_GET_FLAG " [ "
@@ -1050,7 +1065,7 @@ automatically.
 - IPv6 address of the tunnel destination (outer header), not used with inline
 mode.
 
-.B type
+.B (trace-)type
 .I IOAM6_TRACE_TYPE
 - List of IOAM data required in the trace, represented by a bitfield (24 bits).
 .sp
@@ -1063,6 +1078,11 @@ mode.
 .B size
 .I IOAM6_TRACE_SIZE
 - Size, in octets, of the pre-allocated trace data block.
+.sp
+
+.B ext-flags
+.I IOAM6_DEX_EXT_FLAGS
+- Extension flags (RFC 9326) for IOAM Direct EXporting (DEX)
 .in -2
 
 .B xfrm