diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/plugins/flowprobe/node.c | 13 | ||||
| -rw-r--r-- | src/vnet/map/map.c | 42 | ||||
| -rw-r--r-- | src/vppinfra/bihash_16_8.h | 30 | ||||
| -rw-r--r-- | src/vppinfra/bihash_24_8.h | 4 | ||||
| -rw-r--r-- | src/vppinfra/bihash_48_8.h | 38 | ||||
| -rw-r--r-- | src/vppinfra/crc32.h | 26 |
6 files changed, 61 insertions, 92 deletions
diff --git a/src/plugins/flowprobe/node.c b/src/plugins/flowprobe/node.c index 6a539db9bbf..80bfa9b584f 100644 --- a/src/plugins/flowprobe/node.c +++ b/src/plugins/flowprobe/node.c @@ -17,6 +17,7 @@ #include <vlib/vlib.h> #include <vnet/vnet.h> #include <vnet/pg/pg.h> +#include <vppinfra/crc32.h> #include <vppinfra/error.h> #include <flowprobe/flowprobe.h> #include <vnet/ip/ip6_packet.h> @@ -258,10 +259,16 @@ static inline u32 flowprobe_hash (flowprobe_key_t * k) { flowprobe_main_t *fm = &flowprobe_main; - int i; u32 h = 0; - for (i = 0; i < sizeof (k->as_u32) / sizeof (u32); i++) - h = crc_u32 (k->as_u32[i], h); + +#ifdef clib_crc32c_uses_intrinsics + h = clib_crc32c ((u8 *) k->as_u32, FLOWPROBE_KEY_IN_U32); +#else + u64 tmp = + k->as_u32[0] ^ k->as_u32[1] ^ k->as_u32[2] ^ k->as_u32[3] ^ k->as_u32[4]; + h = clib_xxhash (tmp); +#endif + return h >> (32 - fm->ht_log2len); } diff --git a/src/vnet/map/map.c b/src/vnet/map/map.c index 8579cdf6a7b..d246f6c8254 100644 --- a/src/vnet/map/map.c +++ b/src/vnet/map/map.c @@ -19,29 +19,10 @@ #include <vnet/fib/ip6_fib.h> #include <vnet/adj/adj.h> #include <vnet/map/map_dpo.h> +#include <vppinfra/crc32.h> #include "map.h" -#ifdef __SSE4_2__ -static inline u32 -crc_u32 (u32 data, u32 value) -{ - __asm__ volatile ("crc32l %[data], %[value];":[value] "+r" (value):[data] - "rm" (data)); - return value; -} -#else -#include <vppinfra/xxhash.h> - -static inline u32 -crc_u32 (u32 data, u32 value) -{ - u64 tmp = ((u64) data << 32) | (u64) value; - return (u32) clib_xxhash (tmp); -} -#endif - - /* * This code supports the following MAP modes: * @@ -1488,10 +1469,12 @@ map_ip4_reass_get (u32 src, u32 dst, u16 fragment_id, }; u32 h = 0; - h = crc_u32 (k.as_u32[0], h); - h = crc_u32 (k.as_u32[1], h); - h = crc_u32 (k.as_u32[2], h); - h = crc_u32 (k.as_u32[3], h); +#ifdef clib_crc32c_uses_intrinsics + h = clib_crc32c ((u8 *) k.as_u32, 16); +#else + u64 tmp = k.as_u32[0] ^ k.as_u32[1] ^ k.as_u32[2] ^ k.as_u32[3]; + h = clib_xxhash (tmp); +#endif h = h >> (32 - mm->ip4_reass_ht_log2len); f64 now = vlib_time_now (mm->vlib_main); @@ -1660,8 +1643,15 @@ map_ip6_reass_get (ip6_address_t * src, ip6_address_t * dst, u32 fragment_id, u32 h = 0; int i; - for (i = 0; i < 10; i++) - h = crc_u32 (k.as_u32[i], h); + +#ifdef clib_crc32c_uses_intrinsics + h = clib_crc32c ((u8 *) k.as_u32, 40); +#else + u64 tmp = + k.as_u64[0] ^ k.as_u64[1] ^ k.as_u64[2] ^ k.as_u64[3] ^ k.as_u64[4]; + h = clib_xxhash (tmp); +#endif + h = h >> (32 - mm->ip6_reass_ht_log2len); f64 now = vlib_time_now (mm->vlib_main); diff --git a/src/vppinfra/bihash_16_8.h b/src/vppinfra/bihash_16_8.h index ce80f70e50a..6b1b563e25b 100644 --- a/src/vppinfra/bihash_16_8.h +++ b/src/vppinfra/bihash_16_8.h @@ -24,6 +24,7 @@ #include <vppinfra/format.h> #include <vppinfra/pool.h> #include <vppinfra/xxhash.h> +#include <vppinfra/crc32.h> typedef struct { @@ -40,39 +41,16 @@ clib_bihash_is_free_16_8 (clib_bihash_kv_16_8_t * v) return 0; } -#if __SSE4_2__ -#ifndef __defined_crc_u32__ -#define __defined_crc_u32__ -static inline u32 -crc_u32 (u32 data, u32 value) -{ - __asm__ volatile ("crc32l %[data], %[value];":[value] "+r" (value):[data] - "rm" (data)); - return value; -} -#endif /* __defined_crc_u32__ */ - static inline u64 clib_bihash_hash_16_8 (clib_bihash_kv_16_8_t * v) { - u32 *dp = (u32 *) & v->key[0]; - u32 value = 0; - - value = crc_u32 (dp[0], value); - value = crc_u32 (dp[1], value); - value = crc_u32 (dp[2], value); - value = crc_u32 (dp[3], value); - - return value; -} +#ifdef clib_crc32c_uses_intrinsics + return clib_crc32c ((u8 *) v->key, 16); #else -static inline u64 -clib_bihash_hash_16_8 (clib_bihash_kv_16_8_t * v) -{ u64 tmp = v->key[0] ^ v->key[1]; return clib_xxhash (tmp); -} #endif +} static inline u8 * format_bihash_kvp_16_8 (u8 * s, va_list * args) diff --git a/src/vppinfra/bihash_24_8.h b/src/vppinfra/bihash_24_8.h index 655dab8015f..db77daa4e2c 100644 --- a/src/vppinfra/bihash_24_8.h +++ b/src/vppinfra/bihash_24_8.h @@ -20,11 +20,11 @@ #ifndef __included_bihash_24_8_h__ #define __included_bihash_24_8_h__ +#include <vppinfra/crc32.h> #include <vppinfra/heap.h> #include <vppinfra/format.h> #include <vppinfra/pool.h> #include <vppinfra/xxhash.h> -#include <vppinfra/crc32.h> typedef struct { @@ -44,7 +44,7 @@ clib_bihash_is_free_24_8 (const clib_bihash_kv_24_8_t * v) static inline u64 clib_bihash_hash_24_8 (const clib_bihash_kv_24_8_t * v) { -#if __SSE4_2__ +#ifdef clib_crc32c_uses_intrinsics return clib_crc32c ((u8 *) v->key, 24); #else u64 tmp = v->key[0] ^ v->key[1] ^ v->key[2]; diff --git a/src/vppinfra/bihash_48_8.h b/src/vppinfra/bihash_48_8.h index 1a6e76913ed..48079e0a1cf 100644 --- a/src/vppinfra/bihash_48_8.h +++ b/src/vppinfra/bihash_48_8.h @@ -21,6 +21,7 @@ #ifndef __included_bihash_48_8_h__ #define __included_bihash_48_8_h__ +#include <vppinfra/crc32.h> #include <vppinfra/heap.h> #include <vppinfra/format.h> #include <vppinfra/pool.h> @@ -41,48 +42,17 @@ clib_bihash_is_free_48_8 (const clib_bihash_kv_48_8_t * v) return 0; } -#if __SSE4_2__ -#ifndef __defined_crc_u32__ -#define __defined_crc_u32__ -static inline u32 -crc_u32 (u32 data, u32 value) -{ - __asm__ volatile ("crc32l %[data], %[value];":[value] "+r" (value):[data] - "rm" (data)); - return value; -} -#endif /* __defined_crc_u32__ */ - static inline u64 clib_bihash_hash_48_8 (const clib_bihash_kv_48_8_t * v) { - const u32 *dp = (const u32 *) &v->key[0]; - u32 value = 0; - - value = crc_u32 (dp[0], value); - value = crc_u32 (dp[1], value); - value = crc_u32 (dp[2], value); - value = crc_u32 (dp[3], value); - value = crc_u32 (dp[4], value); - value = crc_u32 (dp[5], value); - value = crc_u32 (dp[6], value); - value = crc_u32 (dp[7], value); - value = crc_u32 (dp[8], value); - value = crc_u32 (dp[9], value); - value = crc_u32 (dp[10], value); - value = crc_u32 (dp[11], value); - - return value; -} +#ifdef clib_crc32c_uses_intrinsics + return clib_crc32c ((u8 *) v->key, 48); #else -static inline u64 -clib_bihash_hash_48_8 (const clib_bihash_kv_48_8_t * v) -{ u64 tmp = v->key[0] ^ v->key[1] ^ v->key[2] ^ v->key[3] ^ v->key[4] ^ v->key[5]; return clib_xxhash (tmp); -} #endif +} static inline u8 * format_bihash_kvp_48_8 (u8 * s, va_list * args) diff --git a/src/vppinfra/crc32.h b/src/vppinfra/crc32.h index abb2953fb4d..5a47236a2ba 100644 --- a/src/vppinfra/crc32.h +++ b/src/vppinfra/crc32.h @@ -17,6 +17,7 @@ #define __included_crc32_h__ #if __SSE4_2__ +#define clib_crc32c_uses_intrinsics #include <x86intrin.h> static_always_inline u32 @@ -45,8 +46,31 @@ clib_crc32c (u8 * s, int len) return v; } -#endif +#elif __ARM_FEATURE_CRC32 +#define clib_crc32c_with_intrinsics +#include <arm_acle.h> + +static_always_inline u32 +clib_crc32c (u8 * s, int len) +{ + u32 v = 0; + + for (; len >= 8; len -= 8, s += 8) + v = __crc32cd (v, *((u64 *) s)); + + for (; len >= 4; len -= 4, s += 4) + v = __crc32cw (v, *((u32 *) s)); + + for (; len >= 2; len -= 2, s += 2) + v = __crc32ch (v, *((u16 *) s)); + + for (; len >= 1; len -= 1, s += 1) + v = __crc32cb (v, *((u8 *) s)); + return v; +} + +#endif #endif /* __included_crc32_h__ */ /* |