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l2cap-ertm: handle I with F=1 - caused by S-RR with P=1

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This commit is contained in:
Matthias Ringwald 2017-07-21 15:04:37 +02:00
parent 3233d8ab19
commit 11b576c5ca
1 changed files with 6 additions and 1 deletions
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7
src/l2cap.c
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@ -2688,7 +2688,12 @@ static void l2cap_acl_handler(uint8_t packet_type, uint16_t channel, uint8_t *pa
log_info("Control: 0x%04x => SAR %u, ReqSeq %02u, R?, TxSeq %02u", control, (int) sar, req_seq, tx_seq);
log_info("SAR: pos %u", l2cap_channel->rx_packets_state->pos);
log_info("State: expected_tx_seq %02u, req_seq %02u", l2cap_channel->expected_tx_seq, l2cap_channel->req_seq);
l2cap_ertm_handle_req_seq(l2cap_channel, req_seq);
l2cap_ertm_handle_req_seq(l2cap_channel, req_seq);
int final = (control >> 7) & 0x01;
if (final){
// final bit set <- response to RR with poll bit set. All not acknowledged packets need to be retransmitted
l2cap_channel->tx_send_index = l2cap_channel->tx_read_index;
}
// check ordering
if (l2cap_channel->expected_tx_seq == tx_seq){
log_info("Received expected frame with TxSeq == ExpectedTxSeq == %02u", tx_seq);