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author | Max <msuraev@sysmocom.de> | 2017-12-20 18:01:55 +0100 |
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committer | Max <msuraev@sysmocom.de> | 2017-12-20 18:01:55 +0100 |
commit | 59e4a4fee11a966d2c72209a0e23087e20d5103d (patch) | |
tree | 780e30b8edd7e5a1c7cbe406a449a55096b2d71a /src/tbf.cpp | |
parent | ee5be3a0095b4bae430032d35e3ad0716eff34ab (diff) |
TBF: add N3101 counter
Properly reset the counter when receiving valid RLCMAC block and update
it when no data is received as per 3GPP TS 44.060 ยง8.1.1.1
Change-Id: I2f79c6153dc4073c9d293b2824979e6381576682
Fixes: OS#2407
Diffstat (limited to 'src/tbf.cpp')
-rw-r--r-- | src/tbf.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/tbf.cpp b/src/tbf.cpp index a5eedd93..dc0777f6 100644 --- a/src/tbf.cpp +++ b/src/tbf.cpp @@ -177,6 +177,7 @@ gprs_rlcmac_tbf::gprs_rlcmac_tbf(BTS *bts_, gprs_rlcmac_tbf_direction dir) : was_releasing(0), upgrade_to_multislot(0), bts(bts_), + m_n3101(0), m_tfi(0), m_created_ts(0), m_ctrs(NULL), @@ -740,6 +741,14 @@ void gprs_rlcmac_tbf::poll_timeout() poll_state = GPRS_RLCMAC_POLL_NONE; + m_n3101++; + if (m_n3101 == bts->bts_data()->n3101) { + LOGP(DRLCMAC, LOGL_NOTICE, " N3101 exceeded MAX (%u)\n", bts->bts_data()->n3101); + set_state(GPRS_RLCMAC_RELEASING); + t_start(T3169, bts->bts_data()->t3169, 0, "MAX N3101 reached", false); + return; + } + if (ul_tbf && ul_tbf->handle_ctrl_ack()) { if (!ul_tbf->ctrl_ack_to_toggle()) { LOGP(DRLCMAC, LOGL_NOTICE, "- Timeout for polling PACKET CONTROL ACK for PACKET UPLINK ACK\n"); |