sys/linux: add guehdr for udp packets

10 files changed, 100 insertions, 5 deletions

diff --git a/sys/linux/386.go b/sys/linux/386.go
index 089055227..c545ffe37 100644
--- a/sys/linux/386.go
+++ b/sys/linux/386.go
@@ -2680,6 +2680,14 @@ var structDescs_386 = []*KeyedStruct{
 		&StructType{Key: StructKey{Name: "sockaddr_storage_in6"}, FldName: "gsr_group"},
 		&StructType{Key: StructKey{Name: "sockaddr_storage_in6"}, FldName: "gsr_source"},
 	}}},
+	{Key: StructKey{Name: "guehdr"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "guehdr", IsVarlen: true}, Fields: []Type{
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize4", FldName: "hlen", TypeSize: 1}, BitfieldLen: 5, BitfieldMdl: true}, BitSize: 32, Buf: "parent"},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "control", TypeSize: 1}, BitfieldOff: 5, BitfieldLen: 1, BitfieldMdl: true}},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "version", TypeSize: 1}, BitfieldOff: 6, BitfieldLen: 2}},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "proto_ctype", TypeSize: 1}}},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "guehdr_flags", FldName: "flags", TypeSize: 2}}, Vals: []uint64{256}},
+		&ArrayType{TypeCommon: TypeCommon{TypeName: "array", FldName: "priv", IsVarlen: true}, Type: &FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "guehdr_prov_flags", TypeSize: 4}}, Vals: []uint64{128}}, Kind: 1, RangeEnd: 1},
+	}}},
 	{Key: StructKey{Name: "hashlimit_cfg1"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "hashlimit_cfg1", TypeSize: 32}, Fields: []Type{
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "xt_hashlimit_modes", FldName: "mode", TypeSize: 4}}, Vals: []uint64{1, 2, 4, 8, 16, 32, 64}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "avg", TypeSize: 4}}},
@@ -10177,11 +10185,15 @@ var structDescs_386 = []*KeyedStruct{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "sock_udp6", FldName: "f0", TypeSize: 4, ArgDir: 1}},
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "sock_udp6", FldName: "f1", TypeSize: 4, ArgDir: 1}},
 	}}},
+	{Key: StructKey{Name: "udp_extensions"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "udp_extensions", IsVarlen: true}, Fields: []Type{
+		&StructType{Key: StructKey{Name: "guehdr"}, FldName: "guehdr"},
+	}}},
 	{Key: StructKey{Name: "udp_packet"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "udp_packet", IsVarlen: true}, Fields: []Type{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int16be", FldName: "src_port", TypeSize: 2}, BigEndian: true}, Kind: 2, RangeBegin: 20000, RangeEnd: 20004},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int16be", FldName: "dst_port", TypeSize: 2}, BigEndian: true}, Kind: 2, RangeBegin: 20000, RangeEnd: 20004},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "length", TypeSize: 2}, BigEndian: true}, Buf: "parent"},
 		&CsumType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "csum", FldName: "csum", TypeSize: 2}, BigEndian: true}, Kind: 1, Buf: "parent", Protocol: 17},
+		&ArrayType{TypeCommon: TypeCommon{TypeName: "array", FldName: "extensions", IsVarlen: true}, Type: &UnionType{Key: StructKey{Name: "udp_extensions"}}},
 		&BufferType{TypeCommon: TypeCommon{TypeName: "array", FldName: "data", IsVarlen: true}},
 	}}},
 	{Key: StructKey{Name: "udp_pair", Dir: 1}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "udp_pair", TypeSize: 8, ArgDir: 1}, Fields: []Type{
@@ -22442,6 +22454,8 @@ var consts_386 = []ConstValue{
 	{Name: "GIO_UNISCRNMAP", Value: 19305},
 	{Name: "GRND_NONBLOCK", Value: 1},
 	{Name: "GRND_RANDOM", Value: 2},
+	{Name: "GUE_FLAG_PRIV", Value: 256},
+	{Name: "GUE_PFLAG_REMCSUM", Value: 128},
 	{Name: "HCIBLOCKADDR", Value: 1074022630},
 	{Name: "HCIDEVDOWN", Value: 1074022602},
 	{Name: "HCIDEVRESET", Value: 1074022603},
@@ -25705,4 +25719,4 @@ var consts_386 = []ConstValue{
 	{Name: "bpf_insn_load_imm_dw", Value: 24},
 }
 
-const revision_386 = "07f18311863bda169fc776218d2d1d61ff0c5d80"
+const revision_386 = "b0cca0943b5017ba63ed5e3b325251612d061f21"
diff --git a/sys/linux/amd64.go b/sys/linux/amd64.go
index 0eb67184f..d02d04be5 100644
--- a/sys/linux/amd64.go
+++ b/sys/linux/amd64.go
@@ -2764,6 +2764,14 @@ var structDescs_amd64 = []*KeyedStruct{
 		&StructType{Key: StructKey{Name: "sockaddr_storage_in6"}, FldName: "gsr_group"},
 		&StructType{Key: StructKey{Name: "sockaddr_storage_in6"}, FldName: "gsr_source"},
 	}}},
+	{Key: StructKey{Name: "guehdr"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "guehdr", IsVarlen: true}, Fields: []Type{
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize4", FldName: "hlen", TypeSize: 1}, BitfieldLen: 5, BitfieldMdl: true}, BitSize: 32, Buf: "parent"},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "control", TypeSize: 1}, BitfieldOff: 5, BitfieldLen: 1, BitfieldMdl: true}},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "version", TypeSize: 1}, BitfieldOff: 6, BitfieldLen: 2}},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "proto_ctype", TypeSize: 1}}},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "guehdr_flags", FldName: "flags", TypeSize: 2}}, Vals: []uint64{256}},
+		&ArrayType{TypeCommon: TypeCommon{TypeName: "array", FldName: "priv", IsVarlen: true}, Type: &FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "guehdr_prov_flags", TypeSize: 4}}, Vals: []uint64{128}}, Kind: 1, RangeEnd: 1},
+	}}},
 	{Key: StructKey{Name: "hashlimit_cfg1"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "hashlimit_cfg1", TypeSize: 32}, Fields: []Type{
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "xt_hashlimit_modes", FldName: "mode", TypeSize: 4}}, Vals: []uint64{1, 2, 4, 8, 16, 32, 64}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "avg", TypeSize: 4}}},
@@ -10437,11 +10445,15 @@ var structDescs_amd64 = []*KeyedStruct{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "sock_udp6", FldName: "f0", TypeSize: 4, ArgDir: 1}},
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "sock_udp6", FldName: "f1", TypeSize: 4, ArgDir: 1}},
 	}}},
+	{Key: StructKey{Name: "udp_extensions"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "udp_extensions", IsVarlen: true}, Fields: []Type{
+		&StructType{Key: StructKey{Name: "guehdr"}, FldName: "guehdr"},
+	}}},
 	{Key: StructKey{Name: "udp_packet"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "udp_packet", IsVarlen: true}, Fields: []Type{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int16be", FldName: "src_port", TypeSize: 2}, BigEndian: true}, Kind: 2, RangeBegin: 20000, RangeEnd: 20004},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int16be", FldName: "dst_port", TypeSize: 2}, BigEndian: true}, Kind: 2, RangeBegin: 20000, RangeEnd: 20004},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "length", TypeSize: 2}, BigEndian: true}, Buf: "parent"},
 		&CsumType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "csum", FldName: "csum", TypeSize: 2}, BigEndian: true}, Kind: 1, Buf: "parent", Protocol: 17},
+		&ArrayType{TypeCommon: TypeCommon{TypeName: "array", FldName: "extensions", IsVarlen: true}, Type: &UnionType{Key: StructKey{Name: "udp_extensions"}}},
 		&BufferType{TypeCommon: TypeCommon{TypeName: "array", FldName: "data", IsVarlen: true}},
 	}}},
 	{Key: StructKey{Name: "udp_pair", Dir: 1}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "udp_pair", TypeSize: 8, ArgDir: 1}, Fields: []Type{
@@ -23039,6 +23051,8 @@ var consts_amd64 = []ConstValue{
 	{Name: "GIO_UNISCRNMAP", Value: 19305},
 	{Name: "GRND_NONBLOCK", Value: 1},
 	{Name: "GRND_RANDOM", Value: 2},
+	{Name: "GUE_FLAG_PRIV", Value: 256},
+	{Name: "GUE_PFLAG_REMCSUM", Value: 128},
 	{Name: "HCIBLOCKADDR", Value: 1074022630},
 	{Name: "HCIDEVDOWN", Value: 1074022602},
 	{Name: "HCIDEVRESET", Value: 1074022603},
@@ -26327,4 +26341,4 @@ var consts_amd64 = []ConstValue{
 	{Name: "bpf_insn_load_imm_dw", Value: 24},
 }
 
-const revision_amd64 = "40c12d23c5c1e6c11e1ab13ed032c1e4dc0e684f"
+const revision_amd64 = "c4e271d66e2dfd758cf369682d72bbf3590dedd0"
diff --git a/sys/linux/arm.go b/sys/linux/arm.go
index 023cc1f77..3fefd8a93 100644
--- a/sys/linux/arm.go
+++ b/sys/linux/arm.go
@@ -2665,6 +2665,14 @@ var structDescs_arm = []*KeyedStruct{
 		&StructType{Key: StructKey{Name: "sockaddr_storage_in6"}, FldName: "gsr_group"},
 		&StructType{Key: StructKey{Name: "sockaddr_storage_in6"}, FldName: "gsr_source"},
 	}}},
+	{Key: StructKey{Name: "guehdr"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "guehdr", IsVarlen: true}, Fields: []Type{
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize4", FldName: "hlen", TypeSize: 1}, BitfieldLen: 5, BitfieldMdl: true}, BitSize: 32, Buf: "parent"},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "control", TypeSize: 1}, BitfieldOff: 5, BitfieldLen: 1, BitfieldMdl: true}},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "version", TypeSize: 1}, BitfieldOff: 6, BitfieldLen: 2}},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "proto_ctype", TypeSize: 1}}},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "guehdr_flags", FldName: "flags", TypeSize: 2}}},
+		&ArrayType{TypeCommon: TypeCommon{TypeName: "array", FldName: "priv", IsVarlen: true}, Type: &IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "guehdr_prov_flags", TypeSize: 4}}}, Kind: 1, RangeEnd: 1},
+	}}},
 	{Key: StructKey{Name: "hashlimit_cfg1"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "hashlimit_cfg1", TypeSize: 32}, Fields: []Type{
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "xt_hashlimit_modes", FldName: "mode", TypeSize: 4}}, Vals: []uint64{1, 2, 4, 8, 16, 32, 64}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "avg", TypeSize: 4}}},
@@ -10022,11 +10030,15 @@ var structDescs_arm = []*KeyedStruct{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "sock_udp6", FldName: "f0", TypeSize: 4, ArgDir: 1}},
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "sock_udp6", FldName: "f1", TypeSize: 4, ArgDir: 1}},
 	}}},
+	{Key: StructKey{Name: "udp_extensions"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "udp_extensions", IsVarlen: true}, Fields: []Type{
+		&StructType{Key: StructKey{Name: "guehdr"}, FldName: "guehdr"},
+	}}},
 	{Key: StructKey{Name: "udp_packet"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "udp_packet", IsVarlen: true}, Fields: []Type{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int16be", FldName: "src_port", TypeSize: 2}, BigEndian: true}, Kind: 2, RangeBegin: 20000, RangeEnd: 20004},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int16be", FldName: "dst_port", TypeSize: 2}, BigEndian: true}, Kind: 2, RangeBegin: 20000, RangeEnd: 20004},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "length", TypeSize: 2}, BigEndian: true}, Buf: "parent"},
 		&CsumType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "csum", FldName: "csum", TypeSize: 2}, BigEndian: true}, Kind: 1, Buf: "parent", Protocol: 17},
+		&ArrayType{TypeCommon: TypeCommon{TypeName: "array", FldName: "extensions", IsVarlen: true}, Type: &UnionType{Key: StructKey{Name: "udp_extensions"}}},
 		&BufferType{TypeCommon: TypeCommon{TypeName: "array", FldName: "data", IsVarlen: true}},
 	}}},
 	{Key: StructKey{Name: "udp_pair", Dir: 1}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "udp_pair", TypeSize: 8, ArgDir: 1}, Fields: []Type{
@@ -25426,4 +25438,4 @@ var consts_arm = []ConstValue{
 	{Name: "bpf_insn_load_imm_dw", Value: 24},
 }
 
-const revision_arm = "6698d4a368f4947b3b613f838e2e403841d38070"
+const revision_arm = "07cef835f8b609cd2ffca0b97f77fa531c570b71"
diff --git a/sys/linux/arm64.go b/sys/linux/arm64.go
index b5ee6d960..0fe5313a5 100644
--- a/sys/linux/arm64.go
+++ b/sys/linux/arm64.go
@@ -2764,6 +2764,14 @@ var structDescs_arm64 = []*KeyedStruct{
 		&StructType{Key: StructKey{Name: "sockaddr_storage_in6"}, FldName: "gsr_group"},
 		&StructType{Key: StructKey{Name: "sockaddr_storage_in6"}, FldName: "gsr_source"},
 	}}},
+	{Key: StructKey{Name: "guehdr"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "guehdr", IsVarlen: true}, Fields: []Type{
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize4", FldName: "hlen", TypeSize: 1}, BitfieldLen: 5, BitfieldMdl: true}, BitSize: 32, Buf: "parent"},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "control", TypeSize: 1}, BitfieldOff: 5, BitfieldLen: 1, BitfieldMdl: true}},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "version", TypeSize: 1}, BitfieldOff: 6, BitfieldLen: 2}},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "proto_ctype", TypeSize: 1}}},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "guehdr_flags", FldName: "flags", TypeSize: 2}}, Vals: []uint64{256}},
+		&ArrayType{TypeCommon: TypeCommon{TypeName: "array", FldName: "priv", IsVarlen: true}, Type: &FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "guehdr_prov_flags", TypeSize: 4}}, Vals: []uint64{128}}, Kind: 1, RangeEnd: 1},
+	}}},
 	{Key: StructKey{Name: "hashlimit_cfg1"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "hashlimit_cfg1", TypeSize: 32}, Fields: []Type{
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "xt_hashlimit_modes", FldName: "mode", TypeSize: 4}}, Vals: []uint64{1, 2, 4, 8, 16, 32, 64}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "avg", TypeSize: 4}}},
@@ -10238,11 +10246,15 @@ var structDescs_arm64 = []*KeyedStruct{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "sock_udp6", FldName: "f0", TypeSize: 4, ArgDir: 1}},
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "sock_udp6", FldName: "f1", TypeSize: 4, ArgDir: 1}},
 	}}},
+	{Key: StructKey{Name: "udp_extensions"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "udp_extensions", IsVarlen: true}, Fields: []Type{
+		&StructType{Key: StructKey{Name: "guehdr"}, FldName: "guehdr"},
+	}}},
 	{Key: StructKey{Name: "udp_packet"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "udp_packet", IsVarlen: true}, Fields: []Type{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int16be", FldName: "src_port", TypeSize: 2}, BigEndian: true}, Kind: 2, RangeBegin: 20000, RangeEnd: 20004},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int16be", FldName: "dst_port", TypeSize: 2}, BigEndian: true}, Kind: 2, RangeBegin: 20000, RangeEnd: 20004},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "length", TypeSize: 2}, BigEndian: true}, Buf: "parent"},
 		&CsumType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "csum", FldName: "csum", TypeSize: 2}, BigEndian: true}, Kind: 1, Buf: "parent", Protocol: 17},
+		&ArrayType{TypeCommon: TypeCommon{TypeName: "array", FldName: "extensions", IsVarlen: true}, Type: &UnionType{Key: StructKey{Name: "udp_extensions"}}},
 		&BufferType{TypeCommon: TypeCommon{TypeName: "array", FldName: "data", IsVarlen: true}},
 	}}},
 	{Key: StructKey{Name: "udp_pair", Dir: 1}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "udp_pair", TypeSize: 8, ArgDir: 1}, Fields: []Type{
@@ -22505,6 +22517,8 @@ var consts_arm64 = []ConstValue{
 	{Name: "GIO_UNISCRNMAP", Value: 19305},
 	{Name: "GRND_NONBLOCK", Value: 1},
 	{Name: "GRND_RANDOM", Value: 2},
+	{Name: "GUE_FLAG_PRIV", Value: 256},
+	{Name: "GUE_PFLAG_REMCSUM", Value: 128},
 	{Name: "HCIBLOCKADDR", Value: 1074022630},
 	{Name: "HCIDEVDOWN", Value: 1074022602},
 	{Name: "HCIDEVRESET", Value: 1074022603},
@@ -25709,4 +25723,4 @@ var consts_arm64 = []ConstValue{
 	{Name: "bpf_insn_load_imm_dw", Value: 24},
 }
 
-const revision_arm64 = "82423022bc7f184a88fcd00fbd20962f6dbbd57e"
+const revision_arm64 = "cac26d4197832d1b50b8b6ea469c8061b7405bc4"
diff --git a/sys/linux/ppc64le.go b/sys/linux/ppc64le.go
index 755521b07..4c9bee8e4 100644
--- a/sys/linux/ppc64le.go
+++ b/sys/linux/ppc64le.go
@@ -2758,6 +2758,14 @@ var structDescs_ppc64le = []*KeyedStruct{
 		&StructType{Key: StructKey{Name: "sockaddr_storage_in6"}, FldName: "gsr_group"},
 		&StructType{Key: StructKey{Name: "sockaddr_storage_in6"}, FldName: "gsr_source"},
 	}}},
+	{Key: StructKey{Name: "guehdr"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "guehdr", IsVarlen: true}, Fields: []Type{
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize4", FldName: "hlen", TypeSize: 1}, BitfieldLen: 5, BitfieldMdl: true}, BitSize: 32, Buf: "parent"},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "control", TypeSize: 1}, BitfieldOff: 5, BitfieldLen: 1, BitfieldMdl: true}},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "version", TypeSize: 1}, BitfieldOff: 6, BitfieldLen: 2}},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "proto_ctype", TypeSize: 1}}},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "guehdr_flags", FldName: "flags", TypeSize: 2}}, Vals: []uint64{1}},
+		&ArrayType{TypeCommon: TypeCommon{TypeName: "array", FldName: "priv", IsVarlen: true}, Type: &FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "guehdr_prov_flags", TypeSize: 4}}, Vals: []uint64{2147483648}}, Kind: 1, RangeEnd: 1},
+	}}},
 	{Key: StructKey{Name: "hashlimit_cfg1"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "hashlimit_cfg1", TypeSize: 32}, Fields: []Type{
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "xt_hashlimit_modes", FldName: "mode", TypeSize: 4}}, Vals: []uint64{1, 2, 4, 8, 16, 32, 64}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "avg", TypeSize: 4}}},
@@ -10093,11 +10101,15 @@ var structDescs_ppc64le = []*KeyedStruct{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "sock_udp6", FldName: "f0", TypeSize: 4, ArgDir: 1}},
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "sock_udp6", FldName: "f1", TypeSize: 4, ArgDir: 1}},
 	}}},
+	{Key: StructKey{Name: "udp_extensions"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "udp_extensions", IsVarlen: true}, Fields: []Type{
+		&StructType{Key: StructKey{Name: "guehdr"}, FldName: "guehdr"},
+	}}},
 	{Key: StructKey{Name: "udp_packet"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "udp_packet", IsVarlen: true}, Fields: []Type{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int16be", FldName: "src_port", TypeSize: 2}, BigEndian: true}, Kind: 2, RangeBegin: 20000, RangeEnd: 20004},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int16be", FldName: "dst_port", TypeSize: 2}, BigEndian: true}, Kind: 2, RangeBegin: 20000, RangeEnd: 20004},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "length", TypeSize: 2}, BigEndian: true}, Buf: "parent"},
 		&CsumType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "csum", FldName: "csum", TypeSize: 2}, BigEndian: true}, Kind: 1, Buf: "parent", Protocol: 17},
+		&ArrayType{TypeCommon: TypeCommon{TypeName: "array", FldName: "extensions", IsVarlen: true}, Type: &UnionType{Key: StructKey{Name: "udp_extensions"}}},
 		&BufferType{TypeCommon: TypeCommon{TypeName: "array", FldName: "data", IsVarlen: true}},
 	}}},
 	{Key: StructKey{Name: "udp_pair", Dir: 1}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "udp_pair", TypeSize: 8, ArgDir: 1}, Fields: []Type{
@@ -22272,6 +22284,8 @@ var consts_ppc64le = []ConstValue{
 	{Name: "GIO_UNISCRNMAP", Value: 19305},
 	{Name: "GRND_NONBLOCK", Value: 1},
 	{Name: "GRND_RANDOM", Value: 2},
+	{Name: "GUE_FLAG_PRIV", Value: 1},
+	{Name: "GUE_PFLAG_REMCSUM", Value: 2147483648},
 	{Name: "HCIBLOCKADDR", Value: 2147764454},
 	{Name: "HCIDEVDOWN", Value: 2147764426},
 	{Name: "HCIDEVRESET", Value: 2147764427},
@@ -25471,4 +25485,4 @@ var consts_ppc64le = []ConstValue{
 	{Name: "bpf_insn_load_imm_dw", Value: 24},
 }
 
-const revision_ppc64le = "18c287ebbc9da2ff832292feccf65374879463b6"
+const revision_ppc64le = "d32421a63a0dd72f857a8cb4cdc483487132c60a"
diff --git a/sys/linux/vnet.txt b/sys/linux/vnet.txt
index b046c9733..1f7902cc7 100644
--- a/sys/linux/vnet.txt
+++ b/sys/linux/vnet.txt
@@ -849,14 +849,33 @@ tcp_payload {
 # https://tools.ietf.org/html/rfc768
 # https://en.wikipedia.org/wiki/User_Datagram_Protocol#Packet_structure
 
+include <net/gue.h>
+
 udp_packet {
 	src_port	sock_port
 	dst_port	sock_port
 	length		len[parent, int16be]
 	csum		csum[parent, pseudo, IPPROTO_UDP, int16be]
+	extensions	array[udp_extensions]
 	data		array[int8]
 } [packed]
 
+udp_extensions [
+	guehdr	guehdr
+] [varlen]
+
+guehdr {
+	hlen		bytesize4[parent, int8:5]
+	control		int8:1
+	version		int8:2
+	proto_ctype	int8
+	flags		flags[guehdr_flags, int16]
+	priv		array[flags[guehdr_prov_flags, int32], 0:1]
+} [packed]
+
+guehdr_flags = GUE_FLAG_PRIV
+guehdr_prov_flags = GUE_PFLAG_REMCSUM
+
 ################################################################################
 ###################################### GRE #####################################
 ################################################################################
diff --git a/sys/linux/vnet_386.const b/sys/linux/vnet_386.const
index e20a4b616..487ec34a7 100644
--- a/sys/linux/vnet_386.const
+++ b/sys/linux/vnet_386.const
@@ -174,6 +174,8 @@ ETH_P_WAN_PPP = 7
 ETH_P_WCCP = 34878
 ETH_P_X25 = 2053
 ETH_P_XDSA = 248
+GUE_FLAG_PRIV = 256
+GUE_PFLAG_REMCSUM = 128
 ICMPV6_ADDR_UNREACH = 3
 ICMPV6_ADM_PROHIBITED = 1
 ICMPV6_DEST_UNREACH = 1
diff --git a/sys/linux/vnet_amd64.const b/sys/linux/vnet_amd64.const
index e20a4b616..487ec34a7 100644
--- a/sys/linux/vnet_amd64.const
+++ b/sys/linux/vnet_amd64.const
@@ -174,6 +174,8 @@ ETH_P_WAN_PPP = 7
 ETH_P_WCCP = 34878
 ETH_P_X25 = 2053
 ETH_P_XDSA = 248
+GUE_FLAG_PRIV = 256
+GUE_PFLAG_REMCSUM = 128
 ICMPV6_ADDR_UNREACH = 3
 ICMPV6_ADM_PROHIBITED = 1
 ICMPV6_DEST_UNREACH = 1
diff --git a/sys/linux/vnet_arm64.const b/sys/linux/vnet_arm64.const
index e20a4b616..487ec34a7 100644
--- a/sys/linux/vnet_arm64.const
+++ b/sys/linux/vnet_arm64.const
@@ -174,6 +174,8 @@ ETH_P_WAN_PPP = 7
 ETH_P_WCCP = 34878
 ETH_P_X25 = 2053
 ETH_P_XDSA = 248
+GUE_FLAG_PRIV = 256
+GUE_PFLAG_REMCSUM = 128
 ICMPV6_ADDR_UNREACH = 3
 ICMPV6_ADM_PROHIBITED = 1
 ICMPV6_DEST_UNREACH = 1
diff --git a/sys/linux/vnet_ppc64le.const b/sys/linux/vnet_ppc64le.const
index e20a4b616..bd122eee4 100644
--- a/sys/linux/vnet_ppc64le.const
+++ b/sys/linux/vnet_ppc64le.const
@@ -174,6 +174,8 @@ ETH_P_WAN_PPP = 7
 ETH_P_WCCP = 34878
 ETH_P_X25 = 2053
 ETH_P_XDSA = 248
+GUE_FLAG_PRIV = 1
+GUE_PFLAG_REMCSUM = 2147483648
 ICMPV6_ADDR_UNREACH = 3
 ICMPV6_ADM_PROHIBITED = 1
 ICMPV6_DEST_UNREACH = 1