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# tcp option eol exists
inet
[ exthdr load tcpopt 1b @ 0 + 0 present => reg 1 ]
[ cmp eq reg 1 0x00000001 ]
# tcp option nop exists
inet
[ exthdr load tcpopt 1b @ 1 + 0 present => reg 1 ]
[ cmp eq reg 1 0x00000001 ]
# tcp option maxseg exists
inet
[ exthdr load tcpopt 1b @ 2 + 0 present => reg 1 ]
[ cmp eq reg 1 0x00000001 ]
# tcp option maxseg length 1
inet
[ exthdr load tcpopt 1b @ 2 + 1 => reg 1 ]
[ cmp eq reg 1 0x00000001 ]
# tcp option maxseg size 1
inet
[ exthdr load tcpopt 2b @ 2 + 2 => reg 1 ]
[ cmp eq reg 1 0x00000100 ]
# tcp option window length 1
inet
[ exthdr load tcpopt 1b @ 3 + 1 => reg 1 ]
[ cmp eq reg 1 0x00000001 ]
# tcp option window count 1
inet
[ exthdr load tcpopt 1b @ 3 + 2 => reg 1 ]
[ cmp eq reg 1 0x00000001 ]
# tcp option sack-perm exists
inet
[ exthdr load tcpopt 1b @ 4 + 0 present => reg 1 ]
[ cmp eq reg 1 0x00000001 ]
# tcp option sack-perm length 1
inet
[ exthdr load tcpopt 1b @ 4 + 1 => reg 1 ]
[ cmp eq reg 1 0x00000001 ]
# tcp option sack exists
inet
[ exthdr load tcpopt 1b @ 5 + 0 present => reg 1 ]
[ cmp eq reg 1 0x00000001 ]
# tcp option sack length 1
inet
[ exthdr load tcpopt 1b @ 5 + 1 => reg 1 ]
[ cmp eq reg 1 0x00000001 ]
# tcp option sack left 1
inet
[ exthdr load tcpopt 4b @ 5 + 2 => reg 1 ]
[ cmp eq reg 1 0x01000000 ]
# tcp option sack0 left 1
inet
[ exthdr load tcpopt 4b @ 5 + 2 => reg 1 ]
[ cmp eq reg 1 0x01000000 ]
# tcp option sack1 left 1
inet
[ exthdr load tcpopt 4b @ 5 + 10 => reg 1 ]
[ cmp eq reg 1 0x01000000 ]
# tcp option sack2 left 1
inet
[ exthdr load tcpopt 4b @ 5 + 18 => reg 1 ]
[ cmp eq reg 1 0x01000000 ]
# tcp option sack3 left 1
inet
[ exthdr load tcpopt 4b @ 5 + 26 => reg 1 ]
[ cmp eq reg 1 0x01000000 ]
# tcp option sack right 1
inet
[ exthdr load tcpopt 4b @ 5 + 6 => reg 1 ]
[ cmp eq reg 1 0x01000000 ]
# tcp option sack0 right 1
inet
[ exthdr load tcpopt 4b @ 5 + 6 => reg 1 ]
[ cmp eq reg 1 0x01000000 ]
# tcp option sack1 right 1
inet
[ exthdr load tcpopt 4b @ 5 + 14 => reg 1 ]
[ cmp eq reg 1 0x01000000 ]
# tcp option sack2 right 1
inet
[ exthdr load tcpopt 4b @ 5 + 22 => reg 1 ]
[ cmp eq reg 1 0x01000000 ]
# tcp option sack3 right 1
inet
[ exthdr load tcpopt 4b @ 5 + 30 => reg 1 ]
[ cmp eq reg 1 0x01000000 ]
# tcp option timestamp exists
inet
[ exthdr load tcpopt 1b @ 8 + 0 present => reg 1 ]
[ cmp eq reg 1 0x00000001 ]
# tcp option timestamp length 1
inet
[ exthdr load tcpopt 1b @ 8 + 1 => reg 1 ]
[ cmp eq reg 1 0x00000001 ]
# tcp option timestamp tsval 1
inet
[ exthdr load tcpopt 4b @ 8 + 2 => reg 1 ]
[ cmp eq reg 1 0x01000000 ]
# tcp option timestamp tsecr 1
inet
[ exthdr load tcpopt 4b @ 8 + 6 => reg 1 ]
[ cmp eq reg 1 0x01000000 ]
# tcp option 255 missing
inet
[ exthdr load tcpopt 1b @ 255 + 0 present => reg 1 ]
[ cmp eq reg 1 0x00000000 ]
# tcp option 6 exists
inet
[ exthdr load tcpopt 1b @ 6 + 0 present => reg 1 ]
[ cmp eq reg 1 0x00000001 ]
# tcp option @255,8,8 255
inet
[ exthdr load tcpopt 1b @ 255 + 1 => reg 1 ]
[ cmp eq reg 1 0x000000ff ]
# tcp option window exists
inet
[ exthdr load tcpopt 1b @ 3 + 0 present => reg 1 ]
[ cmp eq reg 1 0x00000001 ]
# tcp option window missing
inet
[ exthdr load tcpopt 1b @ 3 + 0 present => reg 1 ]
[ cmp eq reg 1 0x00000000 ]
# tcp option maxseg size set 1360
inet
[ immediate reg 1 0x00005005 ]
[ exthdr write tcpopt reg 1 => 2b @ 2 + 2 ]
# tcp option md5sig exists
inet
[ exthdr load tcpopt 1b @ 19 + 0 present => reg 1 ]
[ cmp eq reg 1 0x00000001 ]
# tcp option fastopen exists
inet
[ exthdr load tcpopt 1b @ 34 + 0 present => reg 1 ]
[ cmp eq reg 1 0x00000001 ]
# tcp option mptcp exists
inet
[ exthdr load tcpopt 1b @ 30 + 0 present => reg 1 ]
[ cmp eq reg 1 0x00000001 ]
# tcp option mptcp subtype 0
inet
[ exthdr load tcpopt 1b @ 30 + 2 => reg 1 ]
[ bitwise reg 1 = ( reg 1 & 0x000000f0 ) ^ 0x00000000 ]
[ cmp eq reg 1 0x00000000 ]
# tcp option mptcp subtype 1
inet
[ exthdr load tcpopt 1b @ 30 + 2 => reg 1 ]
[ bitwise reg 1 = ( reg 1 & 0x000000f0 ) ^ 0x00000000 ]
[ cmp eq reg 1 0x00000010 ]
# tcp option mptcp subtype { 0, 2}
__set%d test-inet 3 size 2
__set%d test-inet 0
element 00000000 : 0 [end] element 00000020 : 0 [end]
inet
[ exthdr load tcpopt 1b @ 30 + 2 => reg 1 ]
[ bitwise reg 1 = ( reg 1 & 0x000000f0 ) ^ 0x00000000 ]
[ lookup reg 1 set __set%d ]
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