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l2cap ertm: also send fragment if outgoing fragmment queue is full

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This commit is contained in:
Matthias Ringwald 2018-10-23 15:43:44 +02:00
parent 0767889630
commit 23f7c1d670
1 changed files with 12 additions and 14 deletions
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26
src/l2cap.c
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@ -644,8 +644,8 @@ static void l2cap_ertm_process_req_seq(l2cap_channel_t * l2cap_channel, uint8_t
}
if (num_buffers_acked){
log_info("num_buffers_acked %u", num_buffers_acked);
l2cap_ertm_notify_channel_can_send(l2cap_channel);
}
l2cap_ertm_notify_channel_can_send(l2cap_channel);
}
}
static l2cap_ertm_tx_packet_state_t * l2cap_ertm_get_tx_state(l2cap_channel_t * l2cap_channel, uint8_t tx_seq){
@ -1512,19 +1512,17 @@ static void l2cap_run(void){
if (channel->con_handle == HCI_CON_HANDLE_INVALID) continue;
if (!hci_can_send_acl_packet_now(channel->con_handle)) continue;
if (channel->tx_send_index != channel->tx_write_index){
// check remote tx window
log_info("unacknowledged_packets %u, remote tx window size %u", channel->unacked_frames, channel->remote_tx_window_size);
if (channel->unacked_frames < channel->remote_tx_window_size){
channel->unacked_frames++;
int index = channel->tx_send_index;
channel->tx_send_index++;
if (channel->tx_send_index >= channel->num_tx_buffers){
channel->tx_send_index = 0;
}
l2cap_ertm_send_information_frame(channel, index, 0); // final = 0
continue;
// send if we have more data and remote windows isn't full yet
log_info("unacked_frames %u < min( stored frames %u, remote tx window size %u)?", channel->unacked_frames, channel->num_stored_tx_frames, channel->remote_tx_window_size);
if (channel->unacked_frames < btstack_min(channel->num_stored_tx_frames, channel->remote_tx_window_size)){
channel->unacked_frames++;
int index = channel->tx_send_index;
channel->tx_send_index++;
if (channel->tx_send_index >= channel->num_tx_buffers){
channel->tx_send_index = 0;
}
l2cap_ertm_send_information_frame(channel, index, 0); // final = 0
continue;
}
if (channel->send_supervisor_frame_receiver_ready){