1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2010-2014 Intel Corporation 3 */ 4 5 #ifndef __INCLUDE_RTE_PORT_RAS_H__ 6 #define __INCLUDE_RTE_PORT_RAS_H__ 7 8 #ifdef __cplusplus 9 extern "C" { 10 #endif 11 12 /** 13 * @file 14 * RTE Port for IPv4 Reassembly 15 * 16 * This port is built on top of pre-initialized single producer rte_ring. In 17 * order to minimize the amount of packets stored in the ring at any given 18 * time, the IP reassembly functionality is executed on ring write operation, 19 * hence this port is implemented as an output port. A regular ring_reader port 20 * can be created to read from the same ring. 21 * 22 * The packets written to the ring are either complete IP datagrams or IP 23 * fragments. The packets read from the ring are all complete IP datagrams, 24 * either jumbo frames (i.e. IP packets with length bigger than MTU) or not. 25 * The complete IP datagrams written to the ring are not changed. The IP 26 * fragments written to the ring are first reassembled and into complete IP 27 * datagrams or dropped on error or IP reassembly time-out. 28 * 29 ***/ 30 31 #include <stdint.h> 32 33 #include <rte_ring.h> 34 35 #include "rte_port.h" 36 37 /** ring_writer_ipv4_ras port parameters */ 38 struct rte_port_ring_writer_ras_params { 39 /** Underlying single consumer ring that has to be pre-initialized. */ 40 struct rte_ring *ring; 41 42 /** Recommended burst size to ring. The actual burst size can be bigger 43 or smaller than this value. */ 44 uint32_t tx_burst_sz; 45 }; 46 47 #define rte_port_ring_writer_ipv4_ras_params rte_port_ring_writer_ras_params 48 49 #define rte_port_ring_writer_ipv6_ras_params rte_port_ring_writer_ras_params 50 51 /** ring_writer_ipv4_ras port operations */ 52 extern struct rte_port_out_ops rte_port_ring_writer_ipv4_ras_ops; 53 54 /** ring_writer_ipv6_ras port operations */ 55 extern struct rte_port_out_ops rte_port_ring_writer_ipv6_ras_ops; 56 57 #ifdef __cplusplus 58 } 59 #endif 60 61 #endif 62