summaryrefslogtreecommitdiffstats
path: root/tests/py/inet/meta.t
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--tests/py/inet/meta.t32
-rw-r--r--tests/py/inet/meta.t.json528
-rw-r--r--tests/py/inet/meta.t.json.got86
-rw-r--r--tests/py/inet/meta.t.json.output53
-rw-r--r--tests/py/inet/meta.t.payload175
-rw-r--r--tests/py/inet/meta.t.payload.got40
6 files changed, 914 insertions, 0 deletions
diff --git a/tests/py/inet/meta.t b/tests/py/inet/meta.t
new file mode 100644
index 0000000..5c062b3
--- /dev/null
+++ b/tests/py/inet/meta.t
@@ -0,0 +1,32 @@
+:input;type filter hook input priority 0
+:ingress;type filter hook ingress device lo priority 0
+
+*inet;test-inet;input
+
+meta nfproto ipv4;ok
+meta nfproto ipv6;ok
+meta nfproto {ipv4, ipv6};ok
+meta nfproto != {ipv4, ipv6};ok
+meta nfproto ipv6 tcp dport 22;ok
+meta nfproto ipv4 tcp dport 22;ok
+meta nfproto ipv4 ip saddr 1.2.3.4;ok;ip saddr 1.2.3.4
+meta nfproto ipv6 meta l4proto tcp;ok;meta nfproto ipv6 meta l4proto 6
+meta nfproto ipv4 counter ip saddr 1.2.3.4;ok
+
+meta protocol ip udp dport 67;ok
+meta protocol ip6 udp dport 67;ok
+
+meta ipsec exists;ok
+meta secpath missing;ok;meta ipsec missing
+meta ibrname "br0";fail
+meta obrname "br0";fail
+meta mark set ct mark >> 8;ok
+
+meta mark . tcp dport { 0x0000000a-0x00000014 . 80-90, 0x00100000-0x00100123 . 100-120 };ok
+ip saddr . meta mark { 1.2.3.4 . 0x00000100 , 1.2.3.6-1.2.3.8 . 0x00000200-0x00000300 };ok
+ip saddr . meta mark { 1.2.3.4 . 0x00000100 , 5.6.7.8 . 0x00000200 };ok
+
+meta mark set ip dscp;ok
+meta mark set ip dscp | 0x40;ok
+meta mark set ip6 dscp;ok
+meta mark set ip6 dscp | 0x40;ok
diff --git a/tests/py/inet/meta.t.json b/tests/py/inet/meta.t.json
new file mode 100644
index 0000000..3ba0fd1
--- /dev/null
+++ b/tests/py/inet/meta.t.json
@@ -0,0 +1,528 @@
+# meta nfproto ipv4
+[
+ {
+ "match": {
+ "left": {
+ "meta": { "key": "nfproto" }
+ },
+ "op": "==",
+ "right": "ipv4"
+ }
+ }
+]
+
+# meta nfproto ipv6
+[
+ {
+ "match": {
+ "left": {
+ "meta": { "key": "nfproto" }
+ },
+ "op": "==",
+ "right": "ipv6"
+ }
+ }
+]
+
+# meta nfproto {ipv4, ipv6}
+[
+ {
+ "match": {
+ "left": {
+ "meta": { "key": "nfproto" }
+ },
+ "op": "==",
+ "right": {
+ "set": [
+ "ipv4",
+ "ipv6"
+ ]
+ }
+ }
+ }
+]
+
+# meta nfproto != {ipv4, ipv6}
+[
+ {
+ "match": {
+ "left": {
+ "meta": { "key": "nfproto" }
+ },
+ "op": "!=",
+ "right": {
+ "set": [
+ "ipv4",
+ "ipv6"
+ ]
+ }
+ }
+ }
+]
+
+# meta nfproto ipv6 tcp dport 22
+[
+ {
+ "match": {
+ "left": {
+ "meta": { "key": "nfproto" }
+ },
+ "op": "==",
+ "right": "ipv6"
+ }
+ },
+ {
+ "match": {
+ "left": {
+ "payload": {
+ "field": "dport",
+ "protocol": "tcp"
+ }
+ },
+ "op": "==",
+ "right": 22
+ }
+ }
+]
+
+# meta nfproto ipv4 tcp dport 22
+[
+ {
+ "match": {
+ "left": {
+ "meta": { "key": "nfproto" }
+ },
+ "op": "==",
+ "right": "ipv4"
+ }
+ },
+ {
+ "match": {
+ "left": {
+ "payload": {
+ "field": "dport",
+ "protocol": "tcp"
+ }
+ },
+ "op": "==",
+ "right": 22
+ }
+ }
+]
+
+# meta nfproto ipv4 ip saddr 1.2.3.4
+[
+ {
+ "match": {
+ "left": {
+ "meta": { "key": "nfproto" }
+ },
+ "op": "==",
+ "right": "ipv4"
+ }
+ },
+ {
+ "match": {
+ "left": {
+ "payload": {
+ "field": "saddr",
+ "protocol": "ip"
+ }
+ },
+ "op": "==",
+ "right": "1.2.3.4"
+ }
+ }
+]
+
+# meta nfproto ipv6 meta l4proto tcp
+[
+ {
+ "match": {
+ "left": {
+ "meta": { "key": "nfproto" }
+ },
+ "op": "==",
+ "right": "ipv6"
+ }
+ },
+ {
+ "match": {
+ "left": {
+ "meta": { "key": "l4proto" }
+ },
+ "op": "==",
+ "right": "tcp"
+ }
+ }
+]
+
+# meta nfproto ipv4 counter ip saddr 1.2.3.4
+[
+ {
+ "match": {
+ "left": {
+ "meta": { "key": "nfproto" }
+ },
+ "op": "==",
+ "right": "ipv4"
+ }
+ },
+ {
+ "counter": null
+ },
+ {
+ "match": {
+ "left": {
+ "payload": {
+ "field": "saddr",
+ "protocol": "ip"
+ }
+ },
+ "op": "==",
+ "right": "1.2.3.4"
+ }
+ }
+]
+
+# meta ipsec exists
+[
+ {
+ "match": {
+ "left": {
+ "meta": {
+ "key": "ipsec"
+ }
+ },
+ "op": "==",
+ "right": true
+ }
+ }
+]
+
+# meta secpath missing
+[
+ {
+ "match": {
+ "left": {
+ "meta": { "key": "secpath" }
+ },
+ "op": "==",
+ "right": false
+ }
+ }
+]
+
+# meta mark set ct mark >> 8
+[
+ {
+ "mangle": {
+ "key": {
+ "meta": {
+ "key": "mark"
+ }
+ },
+ "value": {
+ ">>": [
+ {
+ "ct": {
+ "key": "mark"
+ }
+ },
+ 8
+ ]
+ }
+ }
+ }
+]
+
+# meta protocol ip udp dport 67
+[
+ {
+ "match": {
+ "left": {
+ "meta": {
+ "key": "protocol"
+ }
+ },
+ "op": "==",
+ "right": "ip"
+ }
+ },
+ {
+ "match": {
+ "left": {
+ "payload": {
+ "field": "dport",
+ "protocol": "udp"
+ }
+ },
+ "op": "==",
+ "right": 67
+ }
+ }
+]
+
+# meta protocol ip6 udp dport 67
+[
+ {
+ "match": {
+ "left": {
+ "meta": {
+ "key": "protocol"
+ }
+ },
+ "op": "==",
+ "right": "ip6"
+ }
+ },
+ {
+ "match": {
+ "left": {
+ "payload": {
+ "field": "dport",
+ "protocol": "udp"
+ }
+ },
+ "op": "==",
+ "right": 67
+ }
+ }
+]
+
+# meta mark . tcp dport { 0x0000000a-0x00000014 . 80-90, 0x00100000-0x00100123 . 100-120 }
+[
+ {
+ "match": {
+ "left": {
+ "concat": [
+ {
+ "meta": {
+ "key": "mark"
+ }
+ },
+ {
+ "payload": {
+ "field": "dport",
+ "protocol": "tcp"
+ }
+ }
+ ]
+ },
+ "op": "==",
+ "right": {
+ "set": [
+ {
+ "concat": [
+ {
+ "range": [
+ 10,
+ 20
+ ]
+ },
+ {
+ "range": [
+ 80,
+ 90
+ ]
+ }
+ ]
+ },
+ {
+ "concat": [
+ {
+ "range": [
+ 1048576,
+ 1048867
+ ]
+ },
+ {
+ "range": [
+ 100,
+ 120
+ ]
+ }
+ ]
+ }
+ ]
+ }
+ }
+ }
+]
+
+# ip saddr . meta mark { 1.2.3.4 . 0x00000100 , 1.2.3.6-1.2.3.8 . 0x00000200-0x00000300 }
+[
+ {
+ "match": {
+ "left": {
+ "concat": [
+ {
+ "payload": {
+ "field": "saddr",
+ "protocol": "ip"
+ }
+ },
+ {
+ "meta": {
+ "key": "mark"
+ }
+ }
+ ]
+ },
+ "op": "==",
+ "right": {
+ "set": [
+ {
+ "concat": [
+ "1.2.3.4",
+ 256
+ ]
+ },
+ {
+ "concat": [
+ {
+ "range": [
+ "1.2.3.6",
+ "1.2.3.8"
+ ]
+ },
+ {
+ "range": [
+ 512,
+ 768
+ ]
+ }
+ ]
+ }
+ ]
+ }
+ }
+ }
+]
+
+# ip saddr . meta mark { 1.2.3.4 . 0x00000100 , 5.6.7.8 . 0x00000200 }
+[
+ {
+ "match": {
+ "left": {
+ "concat": [
+ {
+ "payload": {
+ "field": "saddr",
+ "protocol": "ip"
+ }
+ },
+ {
+ "meta": {
+ "key": "mark"
+ }
+ }
+ ]
+ },
+ "op": "==",
+ "right": {
+ "set": [
+ {
+ "concat": [
+ "1.2.3.4",
+ 256
+ ]
+ },
+ {
+ "concat": [
+ "5.6.7.8",
+ 512
+ ]
+ }
+ ]
+ }
+ }
+ }
+]
+
+# meta mark set ip dscp
+[
+ {
+ "mangle": {
+ "key": {
+ "meta": {
+ "key": "mark"
+ }
+ },
+ "value": {
+ "payload": {
+ "field": "dscp",
+ "protocol": "ip"
+ }
+ }
+ }
+ }
+]
+
+# meta mark set ip dscp | 0x40
+[
+ {
+ "mangle": {
+ "key": {
+ "meta": {
+ "key": "mark"
+ }
+ },
+ "value": {
+ "|": [
+ {
+ "payload": {
+ "field": "dscp",
+ "protocol": "ip"
+ }
+ },
+ 64
+ ]
+ }
+ }
+ }
+]
+
+# meta mark set ip6 dscp
+[
+ {
+ "mangle": {
+ "key": {
+ "meta": {
+ "key": "mark"
+ }
+ },
+ "value": {
+ "payload": {
+ "field": "dscp",
+ "protocol": "ip6"
+ }
+ }
+ }
+ }
+]
+
+# meta mark set ip6 dscp | 0x40
+[
+ {
+ "mangle": {
+ "key": {
+ "meta": {
+ "key": "mark"
+ }
+ },
+ "value": {
+ "|": [
+ {
+ "payload": {
+ "field": "dscp",
+ "protocol": "ip6"
+ }
+ },
+ 64
+ ]
+ }
+ }
+ }
+]
+
diff --git a/tests/py/inet/meta.t.json.got b/tests/py/inet/meta.t.json.got
new file mode 100644
index 0000000..f2fad0b
--- /dev/null
+++ b/tests/py/inet/meta.t.json.got
@@ -0,0 +1,86 @@
+# meta mark set ip dscp
+[
+ {
+ "mangle": {
+ "key": {
+ "meta": {
+ "key": "mark"
+ }
+ },
+ "value": {
+ "payload": {
+ "field": "dscp",
+ "protocol": "ip"
+ }
+ }
+ }
+ }
+]
+
+# meta mark set ip dscp | 0x40
+[
+ {
+ "mangle": {
+ "key": {
+ "meta": {
+ "key": "mark"
+ }
+ },
+ "value": {
+ "|": [
+ {
+ "payload": {
+ "field": "dscp",
+ "protocol": "ip"
+ }
+ },
+ 64
+ ]
+ }
+ }
+ }
+]
+
+# meta mark set ip6 dscp
+[
+ {
+ "mangle": {
+ "key": {
+ "meta": {
+ "key": "mark"
+ }
+ },
+ "value": {
+ "payload": {
+ "field": "dscp",
+ "protocol": "ip6"
+ }
+ }
+ }
+ }
+]
+
+# meta mark set ip6 dscp | 0x40
+[
+ {
+ "mangle": {
+ "key": {
+ "meta": {
+ "key": "mark"
+ }
+ },
+ "value": {
+ "|": [
+ {
+ "payload": {
+ "field": "dscp",
+ "protocol": "ip6"
+ }
+ },
+ 64
+ ]
+ }
+ }
+ }
+]
+
diff --git a/tests/py/inet/meta.t.json.output b/tests/py/inet/meta.t.json.output
new file mode 100644
index 0000000..3e7dd21
--- /dev/null
+++ b/tests/py/inet/meta.t.json.output
@@ -0,0 +1,53 @@
+# meta nfproto ipv4 ip saddr 1.2.3.4
+[
+ {
+ "match": {
+ "left": {
+ "payload": {
+ "field": "saddr",
+ "protocol": "ip"
+ }
+ },
+ "op": "==",
+ "right": "1.2.3.4"
+ }
+ }
+]
+
+# meta nfproto ipv6 meta l4proto tcp
+[
+ {
+ "match": {
+ "left": {
+ "meta": { "key": "nfproto" }
+ },
+ "op": "==",
+ "right": "ipv6"
+ }
+ },
+ {
+ "match": {
+ "left": {
+ "meta": { "key": "l4proto" }
+ },
+ "op": "==",
+ "right": 6
+ }
+ }
+]
+
+# meta secpath missing
+[
+ {
+ "match": {
+ "left": {
+ "meta": {
+ "key": "ipsec"
+ }
+ },
+ "op": "==",
+ "right": false
+ }
+ }
+]
+
diff --git a/tests/py/inet/meta.t.payload b/tests/py/inet/meta.t.payload
new file mode 100644
index 0000000..c53b507
--- /dev/null
+++ b/tests/py/inet/meta.t.payload
@@ -0,0 +1,175 @@
+# meta nfproto ipv4
+ip test-ip4 input
+ [ meta load nfproto => reg 1 ]
+ [ cmp eq reg 1 0x00000002 ]
+
+# meta nfproto ipv6
+ip test-ip4 input
+ [ meta load nfproto => reg 1 ]
+ [ cmp eq reg 1 0x0000000a ]
+
+# meta nfproto {ipv4, ipv6}
+__set%d test-ip4 3
+__set%d test-ip4 0
+ element 00000002 : 0 [end] element 0000000a : 0 [end]
+ip test-ip4 input
+ [ meta load nfproto => reg 1 ]
+ [ lookup reg 1 set __set%d ]
+
+# meta nfproto != {ipv4, ipv6}
+__set%d test-ip4 3
+__set%d test-ip4 0
+ element 00000002 : 0 [end] element 0000000a : 0 [end]
+ip test-ip4 input
+ [ meta load nfproto => reg 1 ]
+ [ lookup reg 1 set __set%d 0x1 ]
+
+# meta nfproto ipv6 tcp dport 22
+inet test-inet input
+ [ meta load nfproto => reg 1 ]
+ [ cmp eq reg 1 0x0000000a ]
+ [ meta load l4proto => reg 1 ]
+ [ cmp eq reg 1 0x00000006 ]
+ [ payload load 2b @ transport header + 2 => reg 1 ]
+ [ cmp eq reg 1 0x00001600 ]
+
+# meta nfproto ipv4 tcp dport 22
+inet test-inet input
+ [ meta load nfproto => reg 1 ]
+ [ cmp eq reg 1 0x00000002 ]
+ [ meta load l4proto => reg 1 ]
+ [ cmp eq reg 1 0x00000006 ]
+ [ payload load 2b @ transport header + 2 => reg 1 ]
+ [ cmp eq reg 1 0x00001600 ]
+
+# meta nfproto ipv4 ip saddr 1.2.3.4
+inet test-inet input
+ [ meta load nfproto => reg 1 ]
+ [ cmp eq reg 1 0x00000002 ]
+ [ payload load 4b @ network header + 12 => reg 1 ]
+ [ cmp eq reg 1 0x04030201 ]
+
+# meta nfproto ipv6 meta l4proto tcp
+inet test-inet input
+ [ meta load nfproto => reg 1 ]
+ [ cmp eq reg 1 0x0000000a ]
+ [ meta load l4proto => reg 1 ]
+ [ cmp eq reg 1 0x00000006 ]
+
+# meta nfproto ipv4 counter ip saddr 1.2.3.4
+inet test-inet input
+ [ meta load nfproto => reg 1 ]
+ [ cmp eq reg 1 0x00000002 ]
+ [ counter pkts 0 bytes 0 ]
+ [ payload load 4b @ network header + 12 => reg 1 ]
+ [ cmp eq reg 1 0x04030201 ]
+
+# meta ipsec exists
+inet test-inet input
+ [ meta load secpath => reg 1 ]
+ [ cmp eq reg 1 0x00000001 ]
+
+# meta secpath missing
+inet test-inet input
+ [ meta load secpath => reg 1 ]
+ [ cmp eq reg 1 0x00000000 ]
+
+# meta mark set ct mark >> 8
+inet test-inet input
+ [ ct load mark => reg 1 ]
+ [ bitwise reg 1 = ( reg 1 >> 0x00000008 ) ]
+ [ meta set mark with reg 1 ]
+
+# meta protocol ip udp dport 67
+inet test-inet input
+ [ meta load protocol => reg 1 ]
+ [ cmp eq reg 1 0x00000008 ]
+ [ meta load l4proto => reg 1 ]
+ [ cmp eq reg 1 0x00000011 ]
+ [ payload load 2b @ transport header + 2 => reg 1 ]
+ [ cmp eq reg 1 0x00004300 ]
+
+# meta protocol ip6 udp dport 67
+inet test-inet input
+ [ meta load protocol => reg 1 ]
+ [ cmp eq reg 1 0x0000dd86 ]
+ [ meta load l4proto => reg 1 ]
+ [ cmp eq reg 1 0x00000011 ]
+ [ payload load 2b @ transport header + 2 => reg 1 ]
+ [ cmp eq reg 1 0x00004300 ]
+
+# meta mark . tcp dport { 0x0000000a-0x00000014 . 80-90, 0x00100000-0x00100123 . 100-120 }
+__set%d test-inet 87 size 1
+__set%d test-inet 0
+ element 0a000000 00005000 - 14000000 00005a00 : 0 [end] element 00001000 00006400 - 23011000 00007800 : 0 [end]
+ip test-inet input
+ [ meta load l4proto => reg 1 ]
+ [ cmp eq reg 1 0x00000006 ]
+ [ meta load mark => reg 1 ]
+ [ byteorder reg 1 = hton(reg 1, 4, 4) ]
+ [ payload load 2b @ transport header + 2 => reg 9 ]
+ [ lookup reg 1 set __set%d ]
+
+# ip saddr . meta mark { 1.2.3.4 . 0x00000100 , 1.2.3.6-1.2.3.8 . 0x00000200-0x00000300 }
+__set%d test-inet 87 size 2
+__set%d test-inet 0
+ element 04030201 00010000 - 04030201 00010000 : 0 [end] element 06030201 00020000 - 08030201 00030000 : 0 [end]
+inet test-inet input
+ [ meta load nfproto => reg 1 ]
+ [ cmp eq reg 1 0x00000002 ]
+ [ payload load 4b @ network header + 12 => reg 1 ]
+ [ meta load mark => reg 9 ]
+ [ byteorder reg 9 = hton(reg 9, 4, 4) ]
+ [ lookup reg 1 set __set%d ]
+
+# ip saddr . meta mark { 1.2.3.4 . 0x00000100 , 5.6.7.8 . 0x00000200 }
+__set%d test-inet 3 size 2
+__set%d test-inet 0
+ element 04030201 00000100 : 0 [end] element 08070605 00000200 : 0 [end]
+inet test-inet input
+ [ meta load nfproto => reg 1 ]
+ [ cmp eq reg 1 0x00000002 ]
+ [ payload load 4b @ network header + 12 => reg 1 ]
+ [ meta load mark => reg 9 ]
+ [ lookup reg 1 set __set%d ]
+
+# meta mark set ip dscp
+inet test-inet input
+ [ meta load nfproto => reg 1 ]
+ [ cmp eq reg 1 0x00000002 ]
+ [ payload load 1b @ network header + 1 => reg 1 ]
+ [ bitwise reg 1 = ( reg 1 & 0x000000fc ) ^ 0x00000000 ]
+ [ bitwise reg 1 = ( reg 1 >> 0x00000002 ) ]
+ [ meta set mark with reg 1 ]
+
+# meta mark set ip dscp | 0x40
+inet test-inet input
+ [ meta load nfproto => reg 1 ]
+ [ cmp eq reg 1 0x00000002 ]
+ [ payload load 1b @ network header + 1 => reg 1 ]
+ [ bitwise reg 1 = ( reg 1 & 0x000000fc ) ^ 0x00000000 ]
+ [ bitwise reg 1 = ( reg 1 >> 0x00000002 ) ]
+ [ bitwise reg 1 = ( reg 1 & 0xffffffbf ) ^ 0x00000040 ]
+ [ meta set mark with reg 1 ]
+
+# meta mark set ip6 dscp
+inet test-inet input
+ [ meta load nfproto => reg 1 ]
+ [ cmp eq reg 1 0x0000000a ]
+ [ payload load 2b @ network header + 0 => reg 1 ]
+ [ bitwise reg 1 = ( reg 1 & 0x0000c00f ) ^ 0x00000000 ]
+ [ byteorder reg 1 = ntoh(reg 1, 2, 2) ]
+ [ bitwise reg 1 = ( reg 1 >> 0x00000006 ) ]
+ [ meta set mark with reg 1 ]
+
+# meta mark set ip6 dscp | 0x40
+inet test-inet input
+ [ meta load nfproto => reg 1 ]
+ [ cmp eq reg 1 0x0000000a ]
+ [ payload load 2b @ network header + 0 => reg 1 ]
+ [ bitwise reg 1 = ( reg 1 & 0x0000c00f ) ^ 0x00000000 ]
+ [ byteorder reg 1 = ntoh(reg 1, 2, 2) ]
+ [ bitwise reg 1 = ( reg 1 >> 0x00000006 ) ]
+ [ bitwise reg 1 = ( reg 1 & 0xffffffbf ) ^ 0x00000040 ]
+ [ meta set mark with reg 1 ]
+
diff --git a/tests/py/inet/meta.t.payload.got b/tests/py/inet/meta.t.payload.got
new file mode 100644
index 0000000..be3f566
--- /dev/null
+++ b/tests/py/inet/meta.t.payload.got
@@ -0,0 +1,40 @@
+# meta mark set ip dscp
+inet test-inet input
+ [ meta load nfproto => reg 1 ]
+ [ cmp eq reg 1 0x00000002 ]
+ [ payload load 1b @ network header + 1 => reg 1 ]
+ [ bitwise reg 1 = ( reg 1 & 0x000000fc ) ^ 0x00000000 ]
+ [ bitwise reg 1 = ( reg 1 >> 0x00000002 ) ]
+ [ meta set mark with reg 1 ]
+
+# meta mark set ip dscp | 0x40
+inet test-inet input
+ [ meta load nfproto => reg 1 ]
+ [ cmp eq reg 1 0x00000002 ]
+ [ payload load 1b @ network header + 1 => reg 1 ]
+ [ bitwise reg 1 = ( reg 1 & 0x000000fc ) ^ 0x00000000 ]
+ [ bitwise reg 1 = ( reg 1 >> 0x00000002 ) ]
+ [ bitwise reg 1 = ( reg 1 & 0xffffffbf ) ^ 0x00000040 ]
+ [ meta set mark with reg 1 ]
+
+# meta mark set ip6 dscp
+inet test-inet input
+ [ meta load nfproto => reg 1 ]
+ [ cmp eq reg 1 0x0000000a ]
+ [ payload load 2b @ network header + 0 => reg 1 ]
+ [ bitwise reg 1 = ( reg 1 & 0x0000c00f ) ^ 0x00000000 ]
+ [ byteorder reg 1 = ntoh(reg 1, 2, 2) ]
+ [ bitwise reg 1 = ( reg 1 >> 0x00000006 ) ]
+ [ meta set mark with reg 1 ]
+
+# meta mark set ip6 dscp | 0x40
+inet test-inet input
+ [ meta load nfproto => reg 1 ]
+ [ cmp eq reg 1 0x0000000a ]
+ [ payload load 2b @ network header + 0 => reg 1 ]
+ [ bitwise reg 1 = ( reg 1 & 0x0000c00f ) ^ 0x00000000 ]
+ [ byteorder reg 1 = ntoh(reg 1, 2, 2) ]
+ [ bitwise reg 1 = ( reg 1 >> 0x00000006 ) ]
+ [ bitwise reg 1 = ( reg 1 & 0xffffffbf ) ^ 0x00000040 ]
+ [ meta set mark with reg 1 ]
+
generated by cgit v1.2.3 (git 2.39.1) at 2025-02-22 18:05:34 +0000