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lib
librte_gso
rte_gso.h
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/*-
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* BSD LICENSE
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*
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* Copyright(c) 2017 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _RTE_GSO_H_
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#define _RTE_GSO_H_
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#ifdef __cplusplus
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extern
"C"
{
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#endif
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#include <stdint.h>
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#include <
rte_mbuf.h
>
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/* Minimum GSO segment size. */
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#define RTE_GSO_SEG_SIZE_MIN (sizeof(struct ether_hdr) + \
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sizeof(struct ipv4_hdr) + sizeof(struct tcp_hdr) + 1)
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/* GSO flags for rte_gso_ctx. */
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#define RTE_GSO_FLAG_IPID_FIXED (1ULL << 0)
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struct
rte_gso_ctx
{
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struct
rte_mempool
*
direct_pool
;
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struct
rte_mempool
*
indirect_pool
;
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uint64_t
flag
;
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uint32_t
gso_types
;
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uint16_t
gso_size
;
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};
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int
rte_gso_segment
(
struct
rte_mbuf
*pkt,
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const
struct
rte_gso_ctx
*ctx,
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struct
rte_mbuf
**pkts_out,
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uint16_t nb_pkts_out);
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#ifdef __cplusplus
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}
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#endif
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#endif
/* _RTE_GSO_H_ */
rte_mbuf.h
rte_mempool
Definition:
rte_mempool.h:224
rte_gso_segment
int rte_gso_segment(struct rte_mbuf *pkt, const struct rte_gso_ctx *ctx, struct rte_mbuf **pkts_out, uint16_t nb_pkts_out)
rte_gso_ctx::flag
uint64_t flag
Definition:
rte_gso.h:73
rte_gso_ctx::indirect_pool
struct rte_mempool * indirect_pool
Definition:
rte_gso.h:67
rte_gso_ctx::direct_pool
struct rte_mempool * direct_pool
Definition:
rte_gso.h:63
rte_gso_ctx::gso_size
uint16_t gso_size
Definition:
rte_gso.h:86
rte_mbuf
Definition:
rte_mbuf.h:423
rte_gso_ctx
Definition:
rte_gso.h:62
rte_gso_ctx::gso_types
uint32_t gso_types
Definition:
rte_gso.h:77
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