diff mbox series

[v3,5/9] examples/l3fwd: use accelerated CRC on riscv

Message ID	20240827153650.53170-1-daniel.gregory@bytedance.com (mailing list archive)
State	New
Delegated to:	Thomas Monjalon
Headers	From: Daniel Gregory <daniel.gregory@bytedance.com> To: Stanislaw Kardach <stanislaw.kardach@gmail.com> Cc: dev@dpdk.org, Punit Agrawal <punit.agrawal@bytedance.com>, Liang Ma <liangma@liangbit.com>, Pengcheng Wang <wangpengcheng.pp@bytedance.com>, Chunsong Feng <fengchunsong@bytedance.com>, Daniel Gregory <daniel.gregory@bytedance.com> Subject: [PATCH v3 5/9] examples/l3fwd: use accelerated CRC on riscv Date: Tue, 27 Aug 2024 16:36:45 +0100 Message-Id: <20240827153650.53170-1-daniel.gregory@bytedance.com> In-Reply-To: <20240827153230.52880-1-daniel.gregory@bytedance.com> References: <20240827153230.52880-1-daniel.gregory@bytedance.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: list Errors-To: dev-bounces@dpdk.org
Series	riscv: implement accelerated crc using zbc \| [v3,0/9] riscv: implement accelerated crc using zbc [v3,1/9] config/riscv: detect presence of Zbc extension [v3,2/9] hash: implement CRC using riscv carryless multiply [v3,3/9] net: implement CRC using riscv carryless multiply [v3,4/9] config/riscv: add qemu crossbuild target [v3,5/9] examples/l3fwd: use accelerated CRC on riscv [v3,6/9] ipfrag: use accelerated CRC on riscv [v3,7/9] examples/l3fwd-power: use accelerated CRC on riscv [v3,8/9] hash/cuckoo: use accelerated CRC on riscv [v3,9/9] member: use accelerated CRC on riscv

Checks

Context	Check	Description
ci/checkpatch	success	coding style OK

Commit Message

Daniel Gregory Aug. 27, 2024, 3:36 p.m. UTC

When the RISC-V Zbc (carryless multiplication) extension is present, an
implementation of CRC hashing using hardware instructions is available.
Use it rather than jhash.

Signed-off-by: Daniel Gregory <daniel.gregory@bytedance.com>
---
 examples/l3fwd/l3fwd_em.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff mbox series

Patch

diff --git a/examples/l3fwd/l3fwd_em.c b/examples/l3fwd/l3fwd_em.c
index 31a7e05e39..36520401e5 100644
--- a/examples/l3fwd/l3fwd_em.c
+++ b/examples/l3fwd/l3fwd_em.c
@@ -29,7 +29,7 @@ 
 #include "l3fwd_event.h"
 #include "em_route_parse.c"
 
-#if defined(RTE_ARCH_X86) || defined(__ARM_FEATURE_CRC32)
+#if defined(RTE_ARCH_X86) || defined(__ARM_FEATURE_CRC32) || defined(RTE_RISCV_FEATURE_ZBC)
 #define EM_HASH_CRC 1
 #endif