diff options
Diffstat (limited to 'src/vnet/hash')
| -rw-r--r-- | src/vnet/hash/handoff_eth.c (renamed from src/vnet/hash/crc32_handoff_eth.c) | 47 |
1 files changed, 29 insertions, 18 deletions
diff --git a/src/vnet/hash/crc32_handoff_eth.c b/src/vnet/hash/handoff_eth.c index 13fc12ce6ea..dc8db2ac413 100644 --- a/src/vnet/hash/crc32_handoff_eth.c +++ b/src/vnet/hash/handoff_eth.c @@ -20,6 +20,17 @@ #include <vnet/ip/ip6_packet.h> #include <vnet/mpls/packet.h> #include <vppinfra/crc32.h> +#include <vppinfra/xxhash.h> + +always_inline u32 +ho_hash (u64 key) +{ +#ifdef clib_crc32c_uses_intrinsics + return clib_crc32c ((u8 *) &key, sizeof (key)); +#else + return clib_xxhash (key); +#endif +} static inline u64 ipv4_get_key (ip4_header_t * ip) @@ -235,7 +246,7 @@ eth_get_key (ethernet_header_t * h0) } void -handoff_eth_crc32c_func (void **p, u32 *hash, u32 n_packets) +handoff_eth_func (void **p, u32 *hash, u32 n_packets) { u32 n_left_from = n_packets; @@ -253,10 +264,10 @@ handoff_eth_crc32c_func (void **p, u32 *hash, u32 n_packets) key[2] = eth_get_key ((ethernet_header_t *) p[2]); key[3] = eth_get_key ((ethernet_header_t *) p[3]); - hash[0] = clib_crc32c ((u8 *) &key[0], sizeof (key[0])); - hash[1] = clib_crc32c ((u8 *) &key[1], sizeof (key[1])); - hash[2] = clib_crc32c ((u8 *) &key[2], sizeof (key[2])); - hash[3] = clib_crc32c ((u8 *) &key[3], sizeof (key[3])); + hash[0] = ho_hash (key[0]); + hash[1] = ho_hash (key[1]); + hash[2] = ho_hash (key[2]); + hash[3] = ho_hash (key[3]); hash += 4; n_left_from -= 4; @@ -268,7 +279,7 @@ handoff_eth_crc32c_func (void **p, u32 *hash, u32 n_packets) u64 key; key = eth_get_key ((ethernet_header_t *) p[0]); - hash[0] = clib_crc32c ((u8 *) &key, sizeof (key)); + hash[0] = ho_hash (key); hash += 1; n_left_from -= 1; @@ -276,15 +287,15 @@ handoff_eth_crc32c_func (void **p, u32 *hash, u32 n_packets) } } -VNET_REGISTER_HASH_FUNCTION (handoff_eth_crc32c, static) = { - .name = "handoff-eth-crc32c", +VNET_REGISTER_HASH_FUNCTION (handoff_eth, static) = { + .name = "handoff-eth", .description = "Ethernet/IPv4/IPv6/MPLS headers", .priority = 2, - .function[VNET_HASH_FN_TYPE_ETHERNET] = handoff_eth_crc32c_func, + .function[VNET_HASH_FN_TYPE_ETHERNET] = handoff_eth_func, }; void -handoff_eth_sym_crc32c_func (void **p, u32 *hash, u32 n_packets) +handoff_eth_sym_func (void **p, u32 *hash, u32 n_packets) { u32 n_left_from = n_packets; @@ -302,10 +313,10 @@ handoff_eth_sym_crc32c_func (void **p, u32 *hash, u32 n_packets) key[2] = eth_get_sym_key ((ethernet_header_t *) p[2]); key[3] = eth_get_sym_key ((ethernet_header_t *) p[3]); - hash[0] = clib_crc32c ((u8 *) &key[0], sizeof (key[0])); - hash[1] = clib_crc32c ((u8 *) &key[1], sizeof (key[1])); - hash[2] = clib_crc32c ((u8 *) &key[2], sizeof (key[2])); - hash[3] = clib_crc32c ((u8 *) &key[3], sizeof (key[3])); + hash[0] = ho_hash (key[0]); + hash[1] = ho_hash (key[1]); + hash[2] = ho_hash (key[2]); + hash[3] = ho_hash (key[3]); hash += 4; n_left_from -= 4; @@ -317,7 +328,7 @@ handoff_eth_sym_crc32c_func (void **p, u32 *hash, u32 n_packets) u64 key; key = eth_get_sym_key ((ethernet_header_t *) p[0]); - hash[0] = clib_crc32c ((u8 *) &key, sizeof (key)); + hash[0] = ho_hash (key); hash += 1; n_left_from -= 1; @@ -325,11 +336,11 @@ handoff_eth_sym_crc32c_func (void **p, u32 *hash, u32 n_packets) } } -VNET_REGISTER_HASH_FUNCTION (handoff_eth_sym_crc32c, static) = { - .name = "handoff-eth-sym-crc32c", +VNET_REGISTER_HASH_FUNCTION (handoff_eth_sym, static) = { + .name = "handoff-eth-sym", .description = "Ethernet/IPv4/IPv6/MPLS headers Symmetric", .priority = 1, - .function[VNET_HASH_FN_TYPE_ETHERNET] = handoff_eth_sym_crc32c_func, + .function[VNET_HASH_FN_TYPE_ETHERNET] = handoff_eth_sym_func, }; /* |