75 lines
2.8 KiB
C
75 lines
2.8 KiB
C
|
/*-
|
||
|
|
* BSD LICENSE
|
||
|
|
*
|
||
|
|
* Copyright(c) 2016 Intel Corporation. All rights reserved.
|
||
|
|
* Copyright(c) 2017, Linaro Limited
|
||
|
|
* 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_NEON_H__
|
||
|
|
#define __L3FWD_EM_HLM_NEON_H__
|
||
|
|
|
||
|
|
#include <arm_neon.h>
|
||
|
|
|
||
|
|
static inline void
|
||
|
|
get_ipv4_5tuple(struct rte_mbuf *m0, int32x4_t mask0,
|
||
|
|
union ipv4_5tuple_host *key)
|
||
|
|
{
|
||
|
|
int32x4_t tmpdata0 = vld1q_s32(rte_pktmbuf_mtod_offset(m0, int32_t *,
|
||
|
|
sizeof(struct ether_hdr) +
|
||
|
|
offsetof(struct ipv4_hdr, time_to_live)));
|
||
|
|
|
||
|
|
key->xmm = vandq_s32(tmpdata0, mask0);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void
|
||
|
|
get_ipv6_5tuple(struct rte_mbuf *m0, int32x4_t mask0,
|
||
|
|
int32x4_t mask1, union ipv6_5tuple_host *key)
|
||
|
|
{
|
||
|
|
int32x4_t tmpdata0 = vld1q_s32(
|
||
|
|
rte_pktmbuf_mtod_offset(m0, int *,
|
||
|
|
sizeof(struct ether_hdr) +
|
||
|
|
offsetof(struct ipv6_hdr, payload_len)));
|
||
|
|
|
||
|
|
int32x4_t tmpdata1 = vld1q_s32(
|
||
|
|
rte_pktmbuf_mtod_offset(m0, int *,
|
||
|
|
sizeof(struct ether_hdr) +
|
||
|
|
offsetof(struct ipv6_hdr, payload_len) + 8));
|
||
|
|
|
||
|
|
int32x4_t tmpdata2 = vld1q_s32(
|
||
|
|
rte_pktmbuf_mtod_offset(m0, int *,
|
||
|
|
sizeof(struct ether_hdr) +
|
||
|
|
offsetof(struct ipv6_hdr, payload_len) + 16));
|
||
|
|
|
||
|
|
key->xmm[0] = vandq_s32(tmpdata0, mask0);
|
||
|
|
key->xmm[1] = tmpdata1;
|
||
|
|
key->xmm[2] = vandq_s32(tmpdata2, mask1);
|
||
|
|
}
|
||
|
|
#endif /* __L3FWD_EM_HLM_NEON_H__ */
|