mirror/btstack
1
0
Fork 0
mirror of https://github.com/bluekitchen/btstack.git synced 2025-03-23 10:21:12 +00:00
Code Issues Packages Projects Releases Wiki Activity

rfcomm: empty packets don't require credits, emit warning

Browse Source
This commit is contained in:
Matthias Ringwald 2017-08-10 14:21:31 +02:00
parent adaba9f340
commit 069d175350
1 changed files with 11 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
src/classic/rfcomm.c
View File

@ -2088,6 +2088,7 @@ uint16_t rfcomm_get_max_frame_size(uint16_t rfcomm_cid){
}
return channel->max_frame_size;
}
int rfcomm_send_prepared(uint16_t rfcomm_cid, uint16_t len){
rfcomm_channel_t * channel = rfcomm_channel_for_rfcomm_cid(rfcomm_cid);
if (!channel){
@ -2103,12 +2104,18 @@ int rfcomm_send_prepared(uint16_t rfcomm_cid, uint16_t len){
}
// send might cause l2cap to emit new credits, update counters first
channel->credits_outgoing--;
if (len){
channel->credits_outgoing--;
} else {
log_info("sending empty RFCOMM packet for cid %02x", rfcomm_cid);
}
int result = rfcomm_send_uih_prepared(channel->multiplexer, channel->dlci, len);
if (result != 0) {
channel->credits_outgoing++;
if (len) {
channel->credits_outgoing++;
}
log_error("rfcomm_send_prepared: error %d", result);
return result;
}
@ -2119,8 +2126,8 @@ int rfcomm_send_prepared(uint16_t rfcomm_cid, uint16_t len){
int rfcomm_send(uint16_t rfcomm_cid, uint8_t *data, uint16_t len){
rfcomm_channel_t * channel = rfcomm_channel_for_rfcomm_cid(rfcomm_cid);
if (!channel){
log_error("rfcomm_send cid 0x%02x doesn't exist!", rfcomm_cid);
return 1;
log_error("cid 0x%02x doesn't exist!", rfcomm_cid);
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
}
int err = rfcomm_assert_send_valid(channel, len);