1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2015-2020 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 * $FreeBSD$ 31 * 32 */ 33 34 #ifndef _ENA_NETMAP_H_ 35 #define _ENA_NETMAP_H_ 36 37 /* Undef (un)likely as they are defined in netmap_kern.h */ 38 #ifdef likely 39 #undef likely 40 #endif /* likely */ 41 #ifdef unlikely 42 #undef unlikely 43 #endif /* unlikely */ 44 45 #include <net/netmap.h> 46 #include <sys/selinfo.h> 47 #include <dev/netmap/netmap_kern.h> 48 49 int ena_netmap_attach(struct ena_adapter *adapter); 50 int ena_netmap_alloc_rx_slot(struct ena_adapter *adapter, 51 struct ena_ring *rx_ring, struct ena_rx_buffer *rx_info); 52 void ena_netmap_free_rx_slot(struct ena_adapter *adapter, 53 struct ena_ring *rx_ring, struct ena_rx_buffer *rx_info); 54 bool ena_rx_ring_in_netmap(struct ena_adapter *adapter, int qid); 55 bool ena_tx_ring_in_netmap(struct ena_adapter *adapter, int qid); 56 void ena_netmap_reset_rx_ring(struct ena_adapter *adapter, int qid); 57 void ena_netmap_reset_tx_ring(struct ena_adapter *adapter, int qid); 58 void ena_netmap_unload(struct ena_adapter *adapter, bus_dmamap_t map); 59 60 #endif /* _ENA_NETMAP_H_ */ 61