From 97f17497d162afdb82c8704bf097f0fee3724b2e Mon Sep 17 00:00:00 2001 From: "C.J. Collier" Date: Tue, 14 Jun 2016 07:50:17 -0700 Subject: Imported Upstream version 16.04 Change-Id: I77eadcd8538a9122e4773cbe55b24033dc451757 Signed-off-by: C.J. Collier --- lib/librte_port/rte_port_ring.h | 123 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 123 insertions(+) create mode 100644 lib/librte_port/rte_port_ring.h (limited to 'lib/librte_port/rte_port_ring.h') diff --git a/lib/librte_port/rte_port_ring.h b/lib/librte_port/rte_port_ring.h new file mode 100644 index 00000000..de377d28 --- /dev/null +++ b/lib/librte_port/rte_port_ring.h @@ -0,0 +1,123 @@ +/*- + * 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_RING_H__ +#define __INCLUDE_RTE_PORT_RING_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * @file + * RTE Port Ring + * + * ring_reader: + * input port built on top of pre-initialized single consumer ring + * ring_writer: + * output port built on top of pre-initialized single producer ring + * ring_multi_reader: + * input port built on top of pre-initialized multi consumers ring + * ring_multi_writer: + * output port built on top of pre-initialized multi producers ring + * + ***/ + +#include + +#include + +#include "rte_port.h" + +/** ring_reader port parameters */ +struct rte_port_ring_reader_params { + /** Underlying consumer ring that has to be pre-initialized */ + struct rte_ring *ring; +}; + +/** ring_reader port operations */ +extern struct rte_port_in_ops rte_port_ring_reader_ops; + +/** ring_writer port parameters */ +struct rte_port_ring_writer_params { + /** Underlying producer 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; +}; + +/** ring_writer port operations */ +extern struct rte_port_out_ops rte_port_ring_writer_ops; + +/** ring_writer_nodrop port parameters */ +struct rte_port_ring_writer_nodrop_params { + /** Underlying producer 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; + + /** Maximum number of retries, 0 for no limit */ + uint32_t n_retries; +}; + +/** ring_writer_nodrop port operations */ +extern struct rte_port_out_ops rte_port_ring_writer_nodrop_ops; + +/** ring_multi_reader port parameters */ +#define rte_port_ring_multi_reader_params rte_port_ring_reader_params + +/** ring_multi_reader port operations */ +extern struct rte_port_in_ops rte_port_ring_multi_reader_ops; + +/** ring_multi_writer port parameters */ +#define rte_port_ring_multi_writer_params rte_port_ring_writer_params + +/** ring_multi_writer port operations */ +extern struct rte_port_out_ops rte_port_ring_multi_writer_ops; + +/** ring_multi_writer_nodrop port parameters */ +#define rte_port_ring_multi_writer_nodrop_params \ + rte_port_ring_writer_nodrop_params + +/** ring_multi_writer_nodrop port operations */ +extern struct rte_port_out_ops rte_port_ring_multi_writer_nodrop_ops; + +#ifdef __cplusplus +} +#endif + +#endif -- cgit 1.2.3-korg