QA:Testcase lksctp tools

• Description

lksctp_tools include several tools to test sctp, this case test basic functions for it, check if it can send and receive sctp packets successfully

• Basic Tests

1. run command withsctp and check if any error happens
2. run command checksctp and check if any error happens
3. test sctp_test

   run "sctp_test -H localhost -P 10010 -l" in one terminal A
   run "sctp_test -H localhost -P 10011 -h localhost -p 10010 -s -c 1" in another terminal
   check output in terminal A, result should be like: (assoc_change: state=3, error=0, instr=0 outstr=0)
   exit command in terminal A

4. test sctp_status

   run "sctp_status  -H localhost -P 10010 -l" in terminal A
   run "sctp_status  -H localhost -P 10011 -h localhost -p 10010 -s -c 64" in terminal B
   check output in terminal A, result should be like: "Server: Receiving packets.(10/10)"
   exit command in terminal A