569b290cdb
Use ARM NEON intrinsics to accelerate l3 fowarding. Signed-off-by: Jianbo Liu <jianbo.liu@linaro.org>
75 lines
2.8 KiB
C
75 lines
2.8 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright(c) 2016 Intel Corporation. All rights reserved.
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* Copyright(c) 2017, Linaro Limited
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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 __L3FWD_EM_HLM_NEON_H__
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#define __L3FWD_EM_HLM_NEON_H__
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#include <arm_neon.h>
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static inline void
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get_ipv4_5tuple(struct rte_mbuf *m0, int32x4_t mask0,
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union ipv4_5tuple_host *key)
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{
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int32x4_t tmpdata0 = vld1q_s32(rte_pktmbuf_mtod_offset(m0, int32_t *,
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sizeof(struct ether_hdr) +
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offsetof(struct ipv4_hdr, time_to_live)));
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key->xmm = vandq_s32(tmpdata0, mask0);
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}
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static inline void
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get_ipv6_5tuple(struct rte_mbuf *m0, int32x4_t mask0,
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int32x4_t mask1, union ipv6_5tuple_host *key)
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{
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int32x4_t tmpdata0 = vld1q_s32(
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rte_pktmbuf_mtod_offset(m0, int *,
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sizeof(struct ether_hdr) +
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offsetof(struct ipv6_hdr, payload_len)));
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int32x4_t tmpdata1 = vld1q_s32(
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rte_pktmbuf_mtod_offset(m0, int *,
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sizeof(struct ether_hdr) +
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offsetof(struct ipv6_hdr, payload_len) + 8));
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int32x4_t tmpdata2 = vld1q_s32(
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rte_pktmbuf_mtod_offset(m0, int *,
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sizeof(struct ether_hdr) +
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offsetof(struct ipv6_hdr, payload_len) + 16));
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key->xmm[0] = vandq_s32(tmpdata0, mask0);
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key->xmm[1] = tmpdata1;
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key->xmm[2] = vandq_s32(tmpdata2, mask1);
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}
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#endif /* __L3FWD_EM_HLM_NEON_H__ */
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