/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#include <string.h>
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#include <errno.h>
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#include "nimble/ble.h"
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#include "nimble/nimble_opt.h"
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#include "host/ble_sm.h"
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#include "ble_hs_priv.h"
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#if NIMBLE_BLE_CONNECT
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void *
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ble_sm_cmd_get(uint8_t opcode, size_t len, struct os_mbuf **txom)
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{
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struct ble_sm_hdr *hdr;
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*txom = ble_hs_mbuf_l2cap_pkt();
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if (*txom == NULL) {
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return NULL;
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}
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if (os_mbuf_extend(*txom, sizeof(*hdr) + len) == NULL) {
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os_mbuf_free_chain(*txom);
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return NULL;
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}
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hdr = (struct ble_sm_hdr *)(*txom)->om_data;
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hdr->opcode = opcode;
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return hdr->data;
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}
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/* this function consumes tx os_mbuf */
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int
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ble_sm_tx(uint16_t conn_handle, struct os_mbuf *txom)
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{
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struct ble_l2cap_chan *chan;
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struct ble_hs_conn *conn;
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int rc;
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BLE_HS_DBG_ASSERT(ble_hs_locked_by_cur_task());
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STATS_INC(ble_l2cap_stats, sm_tx);
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rc = ble_hs_misc_conn_chan_find_reqd(conn_handle, BLE_L2CAP_CID_SM,
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&conn, &chan);
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if (rc == 0) {
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rc = ble_l2cap_tx(conn, chan, txom);
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} else {
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os_mbuf_free_chain(txom);
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}
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return rc;
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}
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#endif
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