net/tcp: tcp header seq check

[wenquan2015]

Summary

Check tcp header sndseq and ackseq according to RFC 793.

Impact

tcp

Testing

enable iperf，check iperf test ok

nsh> iperf -c 10.0.1.1 -p 5000
     IP: 10.0.1.2

 mode=tcp-client sip=10.0.1.2:5001,dip=10.0.1.1:5000, interval=3, time=30

           Interval         Transfer         Bandwidth

   0.00-  14.95 sec  771506176 Bytes  412.85 Mbits/sec
  14.95-  22.38 sec  383320064 Bytes  412.73 Mbits/sec
  22.38-  74.93 sec 2801467392 Bytes  426.48 Mbits/sec
   0.00-  74.93 sec 8211726336 Bytes  876.74 Mbits/sec
iperf exit
nsh> iperf -s -p 5000
     IP: 10.0.1.2

 mode=tcp-server sip=10.0.1.2:5000,dip=0.0.0.0:5001, interval=3, time=0
accept: 10.0.1.1:34522

           Interval         Transfer         Bandwidth

   0.00-   3.24 sec  234598764 Bytes  579.26 Mbits/sec
closed by the peer: 10.0.1.1:34522
iperf exit
   3.24-  10.00 sec  581848784 Bytes  688.58 Mbits/sec
   0.00-  10.00 sec  816447548 Bytes  653.16 Mbits/sec
nsh>

[wangchdo]

The Change ID should be removed from the commit message.

Do you have any idea why this PR did not trigger the CI? @simbit18

[xiaoxiang781216]

The Change ID should be removed from the commit message.

Do you have any idea why this PR did not trigger the CI? @simbit18

The first pr from new contributor need be approved manually to filter the garbage patch.

[xiaoxiang781216]

@wenquan2015 please fix:

../nuttx/tools/checkpatch.sh -c -u -m -g 4a069358b6cbd7acf377f1e32e359c480a5a9679..HEAD
❌ Missing git commit message
❌ Missing git commit message
❌ Missing git commit message
❌ Missing git commit message
❌ Missing git commit message
❌ Commit subject too long > 80
❌ Commit subject too long > 80
❌ Commit subject too long > 80
Used config files:
    1: .codespellrc
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