tree 43c0d413aee451782f2111e1baef1d20b1872928
parent 20de6207c26330fc13ed7b109f8073ce45d00570
author Harald Welte <laforge@gnumonks.org> 1559507841 +0200
committer Harald Welte <laforge@gnumonks.org> 1559728880 +0000

lapd_core: Perform N200 retransmissions, not N200-1

During testing with BTS_Tests_LAPDm.TC_t200_n200() it was discovered
that the existing LAPD[m] implementation always gave up at N200-1
retransmissions, rather than N200 retransmissions.

The first transmission doesn't count, and hence we must have N200
actual re-transmissions.  The Error message is then described as
"T200 expired N200+1 times", i.e. we start T200 one more time after
the last re-transmission and only give up if it expires again (i.e.
no ACK received)

Change-Id: Ic33854ee61311f73b7db55eeef10280349151097
Related: OS4037