15 #include <zephyr/bluetooth/buf.h>
40 static void hci_rx_buf_destroy(struct net_buf *buf)  in hci_rx_buf_destroy()  argument
42 	net_buf_destroy(buf);  in hci_rx_buf_destroy()
85 	struct net_buf *buf;  in bt_buf_get_rx()  local
97 	buf = net_buf_alloc(&hci_rx_pool, timeout);  in bt_buf_get_rx()
98 	if (!buf) {  in bt_buf_get_rx()
99 		return buf;  in bt_buf_get_rx()
102 	net_buf_reserve(buf, BT_BUF_RESERVE);  in bt_buf_get_rx()
103 	bt_buf_set_type(buf, type);  in bt_buf_get_rx()
105 	return buf;  in bt_buf_get_rx()
117 	struct net_buf *buf;  in bt_buf_get_tx()  local
167 	buf = net_buf_alloc(pool, timeout);  in bt_buf_get_tx()
168 	if (!buf) {  in bt_buf_get_tx()
169 		return buf;  in bt_buf_get_tx()
172 	net_buf_reserve(buf, BT_BUF_RESERVE);  in bt_buf_get_tx()
173 	bt_buf_set_type(buf, type);  in bt_buf_get_tx()
176 		if (net_buf_tailroom(buf) < size) {  in bt_buf_get_tx()
177 			net_buf_unref(buf);  in bt_buf_get_tx()
181 		net_buf_add_mem(buf, data, size);  in bt_buf_get_tx()
184 	return buf;  in bt_buf_get_tx()
192 int bt_hci_recv(const struct device *dev, struct net_buf *buf)  in bt_hci_recv()  argument
196 	LOG_DBG("buf %p len %u", buf, buf->len);  in bt_hci_recv()
198 	bt_monitor_send(bt_monitor_opcode(buf), buf->data, buf->len);  in bt_hci_recv()
202 		switch (bt_buf_get_type(buf)) {  in bt_hci_recv()
204 			net_buf_push_u8(buf, BT_HCI_H4_EVT);  in bt_hci_recv()
207 			net_buf_push_u8(buf, BT_HCI_H4_ACL);  in bt_hci_recv()
211 				net_buf_push_u8(buf, BT_HCI_H4_ISO);  in bt_hci_recv()
216 			LOG_ERR("Unknown type %u", bt_buf_get_type(buf));  in bt_hci_recv()
222 	k_fifo_put(raw_rx, buf);  in bt_hci_recv()
229 	struct net_buf *buf;  in bt_cmd_complete_ext()  local
236 	buf = bt_hci_cmd_complete_create(op, sizeof(*cc));  in bt_cmd_complete_ext()
237 	cc = net_buf_add(buf, sizeof(*cc));  in bt_cmd_complete_ext()
240 	bt_hci_recv(bt_dev.hci, buf);  in bt_cmd_complete_ext()
243 static uint8_t bt_send_ext(struct net_buf *buf)  in bt_send_ext()  argument
257 	net_buf_simple_save(&buf->b, &state);  in bt_send_ext()
259 	if (buf->len < sizeof(*hdr)) {  in bt_send_ext()
264 	hdr = net_buf_pull_mem(buf, sizeof(*hdr));  in bt_send_ext()
265 	if (buf->len < hdr->param_len) {  in bt_send_ext()
276 			if (buf->len < cmd->min_len) {  in bt_send_ext()
279 				status = cmd->func(buf);  in bt_send_ext()
291 	net_buf_simple_restore(&buf->b, &state);  in bt_send_ext()
296 int bt_send(struct net_buf *buf)  in bt_send()  argument
298 	LOG_DBG("buf %p len %u", buf, buf->len);  in bt_send()
300 	if (buf->len == 0) {  in bt_send()
304 	bt_monitor_send(bt_monitor_opcode(buf), buf->data, buf->len);  in bt_send()
307 	    bt_buf_get_type(buf) == BT_BUF_CMD) {  in bt_send()
310 		status = bt_send_ext(buf);  in bt_send()
317 		return bt_hci_ecc_send(buf);  in bt_send()
320 	return bt_hci_send(bt_dev.hci, buf);  in bt_send()