1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2015-2023 Amazon.com, Inc. or its affiliates.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 *
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 *
30 */
31
32#ifndef _ENA_NETMAP_H_
33#define _ENA_NETMAP_H_
34
35/* Undef (un)likely as they are defined in netmap_kern.h */
36#ifdef likely
37#undef likely
38#endif /* likely */
39#ifdef unlikely
40#undef unlikely
41#endif /* unlikely */
42
43#include <sys/selinfo.h>
44
45#include <net/netmap.h>
46
47#include <dev/netmap/netmap_kern.h>
48
49int ena_netmap_attach(struct ena_adapter *adapter);
50int ena_netmap_alloc_rx_slot(struct ena_adapter *adapter,
51    struct ena_ring *rx_ring, struct ena_rx_buffer *rx_info);
52void ena_netmap_free_rx_slot(struct ena_adapter *adapter,
53    struct ena_ring *rx_ring, struct ena_rx_buffer *rx_info);
54bool ena_rx_ring_in_netmap(struct ena_adapter *adapter, int qid);
55bool ena_tx_ring_in_netmap(struct ena_adapter *adapter, int qid);
56void ena_netmap_reset_rx_ring(struct ena_adapter *adapter, int qid);
57void ena_netmap_reset_tx_ring(struct ena_adapter *adapter, int qid);
58void ena_netmap_unload(struct ena_adapter *adapter, bus_dmamap_t map);
59
60#endif /* _ENA_NETMAP_H_ */
61