numam-dpdk/examples/l3fwd/l3fwd_em_hlm_sse.h
Jianbo Liu 8ec858abe4 examples/l3fwd: reorganise multi hash lookup
Extract common code from l3fwd_em_hlm_sse.h, and add to the new file
l3fwd_em_hlm.h.

Signed-off-by: Jianbo Liu <jianbo.liu@linaro.org>
2017-07-04 17:25:01 +02:00

77 lines
2.8 KiB
C

/*-
* BSD LICENSE
*
* Copyright(c) 2016 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 __L3FWD_EM_HLM_SSE_H__
#define __L3FWD_EM_HLM_SSE_H__
#include "l3fwd_sse.h"
static __rte_always_inline void
get_ipv4_5tuple(struct rte_mbuf *m0, __m128i mask0,
union ipv4_5tuple_host *key)
{
__m128i tmpdata0 = _mm_loadu_si128(
rte_pktmbuf_mtod_offset(m0, __m128i *,
sizeof(struct ether_hdr) +
offsetof(struct ipv4_hdr, time_to_live)));
key->xmm = _mm_and_si128(tmpdata0, mask0);
}
static inline void
get_ipv6_5tuple(struct rte_mbuf *m0, __m128i mask0,
__m128i mask1, union ipv6_5tuple_host *key)
{
__m128i tmpdata0 = _mm_loadu_si128(
rte_pktmbuf_mtod_offset(m0, __m128i *,
sizeof(struct ether_hdr) +
offsetof(struct ipv6_hdr, payload_len)));
__m128i tmpdata1 = _mm_loadu_si128(
rte_pktmbuf_mtod_offset(m0, __m128i *,
sizeof(struct ether_hdr) +
offsetof(struct ipv6_hdr, payload_len) +
sizeof(__m128i)));
__m128i tmpdata2 = _mm_loadu_si128(
rte_pktmbuf_mtod_offset(m0, __m128i *,
sizeof(struct ether_hdr) +
offsetof(struct ipv6_hdr, payload_len) +
sizeof(__m128i) + sizeof(__m128i)));
key->xmm[0] = _mm_and_si128(tmpdata0, mask0);
key->xmm[1] = tmpdata1;
key->xmm[2] = _mm_and_si128(tmpdata2, mask1);
}
#endif /* __L3FWD_EM_SSE_HLM_H__ */