examples/l3fwd/l3fwd_em_hlm_sse.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2016 Intel Corporation
   3  */
   4
   5 #ifndef __L3FWD_EM_HLM_SSE_H__
   6 #define __L3FWD_EM_HLM_SSE_H__
   7
   8 #include "l3fwd_sse.h"
   9
  10 static __rte_always_inline void
  11 get_ipv4_5tuple(struct rte_mbuf *m0, __m128i mask0,
  12                 union ipv4_5tuple_host *key)
  13 {
  14          __m128i tmpdata0 = _mm_loadu_si128(
  15                         rte_pktmbuf_mtod_offset(m0, __m128i *,
  16                                 sizeof(struct ether_hdr) +
  17                                 offsetof(struct ipv4_hdr, time_to_live)));
  18
  19         key->xmm = _mm_and_si128(tmpdata0, mask0);
  20 }
  21
  22 static inline void
  23 get_ipv6_5tuple(struct rte_mbuf *m0, __m128i mask0,
  24                 __m128i mask1, union ipv6_5tuple_host *key)
  25 {
  26         __m128i tmpdata0 = _mm_loadu_si128(
  27                         rte_pktmbuf_mtod_offset(m0, __m128i *,
  28                                 sizeof(struct ether_hdr) +
  29                                 offsetof(struct ipv6_hdr, payload_len)));
  30
  31         __m128i tmpdata1 = _mm_loadu_si128(
  32                         rte_pktmbuf_mtod_offset(m0, __m128i *,
  33                                 sizeof(struct ether_hdr) +
  34                                 offsetof(struct ipv6_hdr, payload_len) +
  35                                 sizeof(__m128i)));
  36
  37         __m128i tmpdata2 = _mm_loadu_si128(
  38                         rte_pktmbuf_mtod_offset(m0, __m128i *,
  39                                 sizeof(struct ether_hdr) +
  40                                 offsetof(struct ipv6_hdr, payload_len) +
  41                                 sizeof(__m128i) + sizeof(__m128i)));
  42
  43         key->xmm[0] = _mm_and_si128(tmpdata0, mask0);
  44         key->xmm[1] = tmpdata1;
  45         key->xmm[2] = _mm_and_si128(tmpdata2, mask1);
  46 }
  47 #endif /* __L3FWD_EM_SSE_HLM_H__ */