xref: /freebsd/sys/dev/ena/ena_netmap.h (revision 8d6806cd08c093fc001db1f94cf122368b8d1549)
1d17b7d87SMarcin Wojtas /*-
20835cc78SMarcin Wojtas  * SPDX-License-Identifier: BSD-2-Clause
3d17b7d87SMarcin Wojtas  *
4*8d6806cdSOsama Abboud  * Copyright (c) 2015-2024 Amazon.com, Inc. or its affiliates.
5d17b7d87SMarcin Wojtas  * All rights reserved.
6d17b7d87SMarcin Wojtas  *
7d17b7d87SMarcin Wojtas  * Redistribution and use in source and binary forms, with or without
8d17b7d87SMarcin Wojtas  * modification, are permitted provided that the following conditions
9d17b7d87SMarcin Wojtas  * are met:
10d17b7d87SMarcin Wojtas  *
11d17b7d87SMarcin Wojtas  * 1. Redistributions of source code must retain the above copyright
12d17b7d87SMarcin Wojtas  *    notice, this list of conditions and the following disclaimer.
13d17b7d87SMarcin Wojtas  *
14d17b7d87SMarcin Wojtas  * 2. Redistributions in binary form must reproduce the above copyright
15d17b7d87SMarcin Wojtas  *    notice, this list of conditions and the following disclaimer in the
16d17b7d87SMarcin Wojtas  *    documentation and/or other materials provided with the distribution.
17d17b7d87SMarcin Wojtas  *
18d17b7d87SMarcin Wojtas  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19d17b7d87SMarcin Wojtas  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20d17b7d87SMarcin Wojtas  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21d17b7d87SMarcin Wojtas  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22d17b7d87SMarcin Wojtas  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23d17b7d87SMarcin Wojtas  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24d17b7d87SMarcin Wojtas  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25d17b7d87SMarcin Wojtas  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26d17b7d87SMarcin Wojtas  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27d17b7d87SMarcin Wojtas  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28d17b7d87SMarcin Wojtas  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29d17b7d87SMarcin Wojtas  *
30d17b7d87SMarcin Wojtas  */
31d17b7d87SMarcin Wojtas 
32d17b7d87SMarcin Wojtas #ifndef _ENA_NETMAP_H_
33d17b7d87SMarcin Wojtas #define _ENA_NETMAP_H_
34d17b7d87SMarcin Wojtas 
35d17b7d87SMarcin Wojtas /* Undef (un)likely as they are defined in netmap_kern.h */
36d17b7d87SMarcin Wojtas #ifdef likely
37d17b7d87SMarcin Wojtas #undef likely
38d17b7d87SMarcin Wojtas #endif /* likely */
39d17b7d87SMarcin Wojtas #ifdef unlikely
40d17b7d87SMarcin Wojtas #undef unlikely
41d17b7d87SMarcin Wojtas #endif /* unlikely */
42d17b7d87SMarcin Wojtas 
43d17b7d87SMarcin Wojtas #include <sys/selinfo.h>
4482e558eaSDawid Gorecki 
4582e558eaSDawid Gorecki #include <net/netmap.h>
4682e558eaSDawid Gorecki 
47d17b7d87SMarcin Wojtas #include <dev/netmap/netmap_kern.h>
48d17b7d87SMarcin Wojtas 
4902a2a7ceSMarcin Wojtas int ena_netmap_attach(struct ena_adapter *adapter);
5002a2a7ceSMarcin Wojtas int ena_netmap_alloc_rx_slot(struct ena_adapter *adapter,
5102a2a7ceSMarcin Wojtas     struct ena_ring *rx_ring, struct ena_rx_buffer *rx_info);
5202a2a7ceSMarcin Wojtas void ena_netmap_free_rx_slot(struct ena_adapter *adapter,
5302a2a7ceSMarcin Wojtas     struct ena_ring *rx_ring, struct ena_rx_buffer *rx_info);
5402a2a7ceSMarcin Wojtas bool ena_rx_ring_in_netmap(struct ena_adapter *adapter, int qid);
5502a2a7ceSMarcin Wojtas bool ena_tx_ring_in_netmap(struct ena_adapter *adapter, int qid);
5602a2a7ceSMarcin Wojtas void ena_netmap_reset_rx_ring(struct ena_adapter *adapter, int qid);
5702a2a7ceSMarcin Wojtas void ena_netmap_reset_tx_ring(struct ena_adapter *adapter, int qid);
5802a2a7ceSMarcin Wojtas void ena_netmap_unload(struct ena_adapter *adapter, bus_dmamap_t map);
59d17b7d87SMarcin Wojtas 
60d17b7d87SMarcin Wojtas #endif /* _ENA_NETMAP_H_ */
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