Fix: Be sure to check if the PACKET DOWNLINK ACK belongs to the polled MS

This commit is contained in:
Andreas Eversberg 2012-10-07 15:33:31 +02:00
parent b83e2a7d5c
commit aafcd703f3
1 changed files with 8 additions and 2 deletions

View File

@ -365,14 +365,20 @@ int gprs_rlcmac_rcv_control_block(bitvec *rlc_block, uint8_t trx, uint8_t ts,
tbf = tbf_by_poll_fn(fn, trx, ts);
if (!tbf) {
LOGP(DRLCMAC, LOGL_NOTICE, "PACKET DOWNLINK ACK with "
"unknown FN=%u TBF=%d (TRX %d TS %d)\n",
"unknown FN=%u TFI=%d (TRX %d TS %d)\n",
fn, tfi, trx, ts);
break;
}
if (tbf->tfi != tfi) {
LOGP(DRLCMAC, LOGL_NOTICE, "PACKET DOWNLINK ACK with "
"wrong TFI=%d, ignoring!\n", tfi);
break;
}
tbf->state_flags |= (1 << GPRS_RLCMAC_FLAG_DL_ACK);
if ((tbf->state_flags & (1 << GPRS_RLCMAC_FLAG_TO_DL_ACK))) {
tbf->state_flags &= ~(1 << GPRS_RLCMAC_FLAG_TO_DL_ACK);
LOGP(DRLCMAC, LOGL_NOTICE, "Recovered downlink ack\n");
LOGP(DRLCMAC, LOGL_NOTICE, "Recovered downlink ack "
"for DL TBF=%d\n", tbf->tfi);
}
/* reset N3105 */
tbf->n3105 = 0;