/*- * BSD LICENSE * * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 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. * * Neither the name of Intel Corporation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * 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 __INCLUDE_RTE_PORT_RAS_H__ #define __INCLUDE_RTE_PORT_RAS_H__ #ifdef __cplusplus extern "C" { #endif /** * @file * RTE Port for IPv4 Reassembly * * This port is built on top of pre-initialized single producer rte_ring. In * order to minimize the amount of packets stored in the ring at any given * time, the IP reassembly functionality is executed on ring write operation, * hence this port is implemented as an output port. A regular ring_reader port * can be created to read from the same ring. * * The packets written to the ring are either complete IP datagrams or IP * fragments. The packets read from the ring are all complete IP datagrams, * either jumbo frames (i.e. IP packets with length bigger than MTU) or not. * The complete IP datagrams written to the ring are not changed. The IP * fragments written to the ring are first reassembled and into complete IP * datagrams or dropped on error or IP reassembly time-out. * ***/ #include #include #include "rte_port.h" /** ring_writer_ipv4_ras port parameters */ struct rte_port_ring_writer_ras_params { /** Underlying single consumer ring that has to be pre-initialized. */ struct rte_ring *ring; /** Recommended burst size to ring. The actual burst size can be bigger or smaller than this value. */ uint32_t tx_burst_sz; }; #define rte_port_ring_writer_ipv4_ras_params rte_port_ring_writer_ras_params #define rte_port_ring_writer_ipv6_ras_params rte_port_ring_writer_ras_params /** ring_writer_ipv4_ras port operations */ extern struct rte_port_out_ops rte_port_ring_writer_ipv4_ras_ops; /** ring_writer_ipv6_ras port operations */ extern struct rte_port_out_ops rte_port_ring_writer_ipv6_ras_ops; #ifdef __cplusplus } #endif #endif