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Ip=[192.88.168.50]; Helo=[tx30smr01.am.freescale.net] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN6PR03MB2705 Subject: [dpdk-dev] [PATCH] examples/l3fwd: em path hash offload to machine X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK <dev.dpdk.org> List-Unsubscribe: <http://dpdk.org/ml/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://dpdk.org/ml/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <http://dpdk.org/ml/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> X-List-Received-Date: Tue, 23 Aug 2016 09:20:32 -0000 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