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answer request for connectionsless mtu and fixed channels supported in l2cap information request

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matthias.ringwald@gmail.com 2014-01-10 10:26:25 +00:00
parent 5ede1dd8ae
commit 3b0484b3ed
1 changed files with 23 additions and 7 deletions
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30
src/l2cap.c
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@ -386,13 +386,29 @@ void l2cap_run(void){
l2cap_send_signaling_packet(handle, ECHO_RESPONSE, sig_id, 0, NULL);
break;
case INFORMATION_REQUEST:
if (infoType == 2) {
uint32_t features = 0;
// extended features request supported, however no features present
l2cap_send_signaling_packet(handle, INFORMATION_RESPONSE, sig_id, infoType, 0, 4, &features);
} else {
// all other types are not supported
l2cap_send_signaling_packet(handle, INFORMATION_RESPONSE, sig_id, infoType, 1, 0, NULL);
switch (infoType){
case 1: { // Connectionless MTU
uint16_t connectionless_mtu = hci_max_acl_data_packet_length();
l2cap_send_signaling_packet(handle, INFORMATION_RESPONSE, sig_id, infoType, 0, sizeof(connectionless_mtu), &connectionless_mtu);
break;
}
case 2: { // Extended Features Supported
// extended features request supported, only supporing fixed channel map
uint32_t features = 0x80;
l2cap_send_signaling_packet(handle, INFORMATION_RESPONSE, sig_id, infoType, 0, sizeof(features), &features);
break;
}
case 3: { // Fixed Channels Supported
uint8_t map[8];
memset(map, 0, 8);
map[0] = 0x01; // L2CAP Signaling Channel
l2cap_send_signaling_packet(handle, INFORMATION_RESPONSE, sig_id, infoType, 0, sizeof(map), &map);
break;
}
default:
// all other types are not supported
l2cap_send_signaling_packet(handle, INFORMATION_RESPONSE, sig_id, infoType, 1, 0, NULL);
break;
}
break;
case COMMAND_REJECT: