michal-narajowski commented on a change in pull request #744: Add support for
Enhanced LE CoC as per BT 5.2
URL: https://github.com/apache/mynewt-nimble/pull/744#discussion_r385103458
##########
File path: nimble/host/src/ble_l2cap_sig.c
##########
@@ -609,31 +643,456 @@ ble_l2cap_sig_coc_connect_cb(struct ble_l2cap_sig_proc
*proc, int status)
{
struct ble_hs_conn *conn;
struct ble_l2cap_chan *chan;
+ int i;
+ bool some_not_connected = false;
if (!proc) {
return;
}
- chan = proc->connect.chan;
- if (!chan || !chan->cb) {
+ for (i = 0; i < proc->connect.chan_cnt; i++) {
+ chan = proc->connect.chan[i];
+ if (!chan || !chan->cb) {
+ continue;
+ }
+
+ if ((status == 0) && (chan->dcid != 0)) {
+ ble_l2cap_event_coc_connected(chan, status);
+ /* Let's forget about connected channel now.
+ * Not connected will be freed later on.
+ */
+ proc->connect.chan[i] = NULL;
+ continue;
+ }
+ some_not_connected = true;
+ ble_l2cap_event_coc_connected(chan, status ? status : BLE_HS_EREJECT);
+ }
+
+ if (!some_not_connected) {
return;
}
- ble_l2cap_event_coc_connected(chan, status);
+ /* Free not connected channels*/
+
+ ble_hs_lock();
+ conn = ble_hs_conn_find(chan->conn_handle);
+ for (i = 0; i < proc->connect.chan_cnt; i++) {
+ chan = proc->connect.chan[i];
+ if (chan) {
+ /* Normally in channel free we send disconnected event to
application.
+ * However in case on error during creation connection we send
connected
+ * event with error status. To avoid additional disconnected event
lets
+ * clear callbacks since we don't needed it anymore.
+ */
+ chan->cb = NULL;
+ ble_l2cap_chan_free(conn, chan);
+ }
+ }
+ ble_hs_unlock();
+}
+
+#if MYNEWT_VAL(BLE_L2CAP_ENHANCED_COC)
+static void
+ble_l2cap_event_coc_reconfigured(uint16_t conn_handle, uint16_t status,
+ struct ble_l2cap_chan *chan, bool peer)
+{
+ struct ble_l2cap_event event = { };
+
+ if (peer) {
+ event.type = BLE_L2CAP_EVENT_COC_PEER_RECONFIGURED;
+ } else {
+ event.type = BLE_L2CAP_EVENT_COC_RECONFIG_COMPLETED;
+ }
+ event.reconfigured.conn_handle = conn_handle;
+ event.reconfigured.chan = chan;
+ event.reconfigured.status = status;
+
+ chan->cb(&event, chan->cb_arg);
+}
+
+static int
+ble_l2cap_sig_credit_base_reconfig_req_rx(uint16_t conn_handle,
+ struct ble_l2cap_sig_hdr *hdr,
+ struct os_mbuf **om)
+{
+ struct ble_l2cap_chan *chan[BLE_L2CAP_MAX_COC_CONN_REQ] = {0};
+ struct ble_l2cap_sig_credit_base_reconfig_req *req;
+ struct ble_l2cap_sig_credit_base_reconfig_rsp *rsp;
+ struct ble_hs_conn *conn;
+ struct os_mbuf *txom;
+ int i;
+ int rc;
+ uint8_t cid_cnt;
+ uint8_t reduction_mps = 0;
+
+ rc = ble_hs_mbuf_pullup_base(om, hdr->length);
+ if (rc != 0) {
+ return rc;
+ }
+
+ ble_hs_lock();
+ conn = ble_hs_conn_find(conn_handle);
+ if (!conn) {
+ ble_hs_unlock();
+ return 0;
+ }
+
+ rsp = ble_l2cap_sig_cmd_get(BLE_L2CAP_SIG_OP_CREDIT_RECONFIG_RSP,
+ hdr->identifier, sizeof(*rsp) , &txom);
+ if (!rsp) {
+ /* TODO: Reuse req bufor for the response. For now is such a case.
Review comment:
Typos: `bufor`, `is`, `.`
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