/*- * SPDX-License-Identifier: BSD-2-Clause * * Copyright (c) 2015-2024 Amazon.com, Inc. or its affiliates. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */ #ifndef _ENA_NETMAP_H_ #define _ENA_NETMAP_H_ /* Undef (un)likely as they are defined in netmap_kern.h */ #ifdef likely #undef likely #endif /* likely */ #ifdef unlikely #undef unlikely #endif /* unlikely */ #include #include #include int ena_netmap_attach(struct ena_adapter *adapter); int ena_netmap_alloc_rx_slot(struct ena_adapter *adapter, struct ena_ring *rx_ring, struct ena_rx_buffer *rx_info); void ena_netmap_free_rx_slot(struct ena_adapter *adapter, struct ena_ring *rx_ring, struct ena_rx_buffer *rx_info); bool ena_rx_ring_in_netmap(struct ena_adapter *adapter, int qid); bool ena_tx_ring_in_netmap(struct ena_adapter *adapter, int qid); void ena_netmap_reset_rx_ring(struct ena_adapter *adapter, int qid); void ena_netmap_reset_tx_ring(struct ena_adapter *adapter, int qid); void ena_netmap_unload(struct ena_adapter *adapter, bus_dmamap_t map); #endif /* _ENA_NETMAP_H_ */