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From: Hemant Agrawal <hemant.agrawal@nxp.com>
To: <dev@dpdk.org>
Subject: [dpdk-dev] [PATCH] examples/l3fwd: em path hash offload to machine
Date: Tue, 23 Aug 2016 20:24:39 +0530	[thread overview]
Message-ID: <1471964080-29958-1-git-send-email-hemant.agrawal@nxp.com> (raw)

if machine level CRC extension are available, offload the
hash to machine provided functions e.g. armv8-a CRC extensions
support it

Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
---
 examples/l3fwd/l3fwd_em.c | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/examples/l3fwd/l3fwd_em.c b/examples/l3fwd/l3fwd_em.c
index def5a02..a889c67 100644
--- a/examples/l3fwd/l3fwd_em.c
+++ b/examples/l3fwd/l3fwd_em.c
@@ -58,13 +58,13 @@
 
 #include "l3fwd.h"
 
-#ifdef RTE_MACHINE_CPUFLAG_SSE4_2
+#if defined(RTE_MACHINE_CPUFLAG_SSE4_2) || defined(RTE_MACHINE_CPUFLAG_CRC32)
 #include <rte_hash_crc.h>
 #define DEFAULT_HASH_FUNC       rte_hash_crc
 #else
 #include <rte_jhash.h>
 #define DEFAULT_HASH_FUNC       rte_jhash
-#endif /* RTE_MACHINE_CPUFLAG_SSE4_2 */
+#endif
 
 #define IPV6_ADDR_LEN 16
 
@@ -169,17 +169,17 @@ ipv4_hash_crc(const void *data, __rte_unused uint32_t data_len,
 	t = k->proto;
 	p = (const uint32_t *)&k->port_src;
 
-#ifdef RTE_MACHINE_CPUFLAG_SSE4_2
+#if defined(RTE_MACHINE_CPUFLAG_SSE4_2) || defined(RTE_MACHINE_CPUFLAG_CRC32)
 	init_val = rte_hash_crc_4byte(t, init_val);
 	init_val = rte_hash_crc_4byte(k->ip_src, init_val);
 	init_val = rte_hash_crc_4byte(k->ip_dst, init_val);
 	init_val = rte_hash_crc_4byte(*p, init_val);
-#else /* RTE_MACHINE_CPUFLAG_SSE4_2 */
+#else
 	init_val = rte_jhash_1word(t, init_val);
 	init_val = rte_jhash_1word(k->ip_src, init_val);
 	init_val = rte_jhash_1word(k->ip_dst, init_val);
 	init_val = rte_jhash_1word(*p, init_val);
-#endif /* RTE_MACHINE_CPUFLAG_SSE4_2 */
+#endif
 
 	return init_val;
 }
@@ -191,16 +191,16 @@ ipv6_hash_crc(const void *data, __rte_unused uint32_t data_len,
 	const union ipv6_5tuple_host *k;
 	uint32_t t;
 	const uint32_t *p;
-#ifdef RTE_MACHINE_CPUFLAG_SSE4_2
+#if defined(RTE_MACHINE_CPUFLAG_SSE4_2) || defined(RTE_MACHINE_CPUFLAG_CRC32)
 	const uint32_t  *ip_src0, *ip_src1, *ip_src2, *ip_src3;
 	const uint32_t  *ip_dst0, *ip_dst1, *ip_dst2, *ip_dst3;
-#endif /* RTE_MACHINE_CPUFLAG_SSE4_2 */
+#endif
 
 	k = data;
 	t = k->proto;
 	p = (const uint32_t *)&k->port_src;
 
-#ifdef RTE_MACHINE_CPUFLAG_SSE4_2
+#if defined(RTE_MACHINE_CPUFLAG_SSE4_2) || defined(RTE_MACHINE_CPUFLAG_CRC32)
 	ip_src0 = (const uint32_t *) k->ip_src;
 	ip_src1 = (const uint32_t *)(k->ip_src+4);
 	ip_src2 = (const uint32_t *)(k->ip_src+8);
@@ -219,14 +219,14 @@ ipv6_hash_crc(const void *data, __rte_unused uint32_t data_len,
 	init_val = rte_hash_crc_4byte(*ip_dst2, init_val);
 	init_val = rte_hash_crc_4byte(*ip_dst3, init_val);
 	init_val = rte_hash_crc_4byte(*p, init_val);
-#else /* RTE_MACHINE_CPUFLAG_SSE4_2 */
+#else
 	init_val = rte_jhash_1word(t, init_val);
 	init_val = rte_jhash(k->ip_src,
 			sizeof(uint8_t) * IPV6_ADDR_LEN, init_val);
 	init_val = rte_jhash(k->ip_dst,
 			sizeof(uint8_t) * IPV6_ADDR_LEN, init_val);
 	init_val = rte_jhash_1word(*p, init_val);
-#endif /* RTE_MACHINE_CPUFLAG_SSE4_2 */
+#endif
 	return init_val;
 }
 
-- 
1.9.1

next             reply	other threads:[~2016-08-23  9:20 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-23 14:54 Hemant Agrawal [this message]
2016-08-23 14:54 ` [dpdk-dev] [PATCH] examples/l3fwd: enabling 4m hash for all 64 bit archs Hemant Agrawal
2016-10-13  8:22   ` Thomas Monjalon
2016-10-05 11:52 ` [dpdk-dev] [PATCH] examples/l3fwd: em path hash offload to machine Jerin Jacob
2016-10-07  7:06   ` Hemant Agrawal
2016-10-13 18:47 ` [dpdk-dev] [PATCH v2] examples/l3fwd: em: use hw accelerated crc hash function for arm64 Hemant Agrawal
2016-10-13 13:36   ` Jerin Jacob
2016-10-14  5:32     ` Hemant Agrawal
2016-10-14 11:10   ` [dpdk-dev] [PATCHv3] " Hemant Agrawal
2016-10-25 16:49     ` Thomas Monjalon

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