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extrat MTU from configure request if present, send empty config in configure repsonse instead of options from configure request

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matthias.ringwald 2010-06-18 20:21:52 +00:00
parent 2784b77d47
commit 1dc511dea6
1 changed files with 15 additions and 1 deletions
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16
src/l2cap.c
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@ -51,6 +51,7 @@
// minimum signaling MTU
#define L2CAP_MINIMAL_MTU 48
#define L2CAP_DEFAULT_MTU 672
// offsets for L2CAP SIGNALING COMMANDS
#define L2CAP_SIGNALING_COMMAND_CODE_OFFSET 0
@ -416,8 +417,21 @@ void l2cap_decline_connection_internal(uint16_t local_cid, uint8_t reason){
void l2cap_signaling_handle_configure_request(l2cap_channel_t *channel, uint8_t *command){
// accept the other's configuration options
uint16_t len = READ_BT_16(command, L2CAP_SIGNALING_COMMAND_LENGTH_OFFSET);
uint16_t pos = 4;
while (pos < len){
uint8_t type = command[pos++];
uint8_t length = command[pos++];
// MTU { type(8): 1, len(8):2, MTU(16) }
if ((type & 0x7f) == 1 && length == 2){
channel->remote_mtu = READ_BT_16(command, pos);
}
pos += length;
}
uint8_t identifier = command[L2CAP_SIGNALING_COMMAND_SIGID_OFFSET];
l2cap_send_signaling_packet(channel->handle, CONFIGURE_RESPONSE, identifier, channel->remote_cid, 0, 0, len-4, &command[8]);
// send back received options
// l2cap_send_signaling_packet(channel->handle, CONFIGURE_RESPONSE, identifier, channel->remote_cid, 0, 0, len-4, &command[8]);
// send back OK
l2cap_send_signaling_packet(channel->handle, CONFIGURE_RESPONSE, identifier, channel->remote_cid, 0, 0, 0, NULL);
}
void l2cap_signaling_handler_channel(l2cap_channel_t *channel, uint8_t *command){