aboutsummaryrefslogtreecommitdiffstats
path: root/examples/l3fwd/l3fwd_em_hlm_neon.h
diff options
context:
space:
mode:
authorLuca Boccassi <luca.boccassi@gmail.com>2017-08-16 18:42:05 +0100
committerLuca Boccassi <luca.boccassi@gmail.com>2017-08-16 18:46:04 +0100
commitf239aed5e674965691846e8ce3f187dd47523689 (patch)
treea153a3125c6e183c73871a8ecaa4b285fed5fbd5 /examples/l3fwd/l3fwd_em_hlm_neon.h
parentbf7567fd2a5b0b28ab724046143c24561d38d015 (diff)
New upstream version 17.08
Change-Id: I288b50990f52646089d6b1f3aaa6ba2f091a51d7 Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>
Diffstat (limited to 'examples/l3fwd/l3fwd_em_hlm_neon.h')
-rw-r--r--examples/l3fwd/l3fwd_em_hlm_neon.h74
1 files changed, 74 insertions, 0 deletions
diff --git a/examples/l3fwd/l3fwd_em_hlm_neon.h b/examples/l3fwd/l3fwd_em_hlm_neon.h
new file mode 100644
index 00000000..dae1acfb
--- /dev/null
+++ b/examples/l3fwd/l3fwd_em_hlm_neon.h
@@ -0,0 +1,74 @@
+/*-
+ * 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__ */