diff mbox series

[v3,8/9] hash/cuckoo: use accelerated CRC on riscv

Message ID 20240827153650.53170-4-daniel.gregory@bytedance.com (mailing list archive)
State New
Delegated to: Thomas Monjalon
Headers
Series riscv: implement accelerated crc using zbc |

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>
---
 lib/hash/rte_cuckoo_hash.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/lib/hash/rte_cuckoo_hash.c b/lib/hash/rte_cuckoo_hash.c
index 577b5839d3..872f88fdce 100644
--- a/lib/hash/rte_cuckoo_hash.c
+++ b/lib/hash/rte_cuckoo_hash.c
@@ -427,6 +427,9 @@  rte_hash_create(const struct rte_hash_parameters *params)
 #elif defined(RTE_ARCH_ARM64)
 	if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_CRC32))
 		default_hash_func = (rte_hash_function)rte_hash_crc;
+#elif defined(RTE_ARCH_RISCV)
+	if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_RISCV_EXT_ZBC))
+		default_hash_func = (rte_hash_function)rte_hash_crc;
 #endif
 	/* Setup hash context */
 	strlcpy(h->name, params->name, sizeof(h->name));