5 #ifndef __INCLUDE_RTE_LRU_H__ 6 #define __INCLUDE_RTE_LRU_H__ 12 #include <rte_config.h> 13 #ifdef RTE_ARCH_X86_64 14 #include "rte_lru_x86.h" 15 #elif defined(RTE_ARCH_ARM64) 16 #include "rte_lru_arm64.h" 17 #elif defined(RTE_ARCH_LOONGARCH_64) 18 #include "rte_lru_lsx.h" 20 #undef RTE_TABLE_HASH_LRU_STRATEGY 21 #define RTE_TABLE_HASH_LRU_STRATEGY 1 24 #if RTE_TABLE_HASH_LRU_STRATEGY == 0 26 #define lru_init(bucket) \ 31 #define lru_pos(bucket) (bucket->lru_list & 0xFFFFLLU) 33 #define lru_update(bucket, mru_val) \ 39 #elif RTE_TABLE_HASH_LRU_STRATEGY == 1 41 #define lru_init(bucket) \ 43 bucket->lru_list = 0x0000000100020003LLU; \ 46 #define lru_pos(bucket) (bucket->lru_list & 0xFFFFLLU) 48 #define lru_update(bucket, mru_val) \ 50 uint64_t x, pos, x0, x1, x2, mask; \ 52 x = bucket->lru_list; \ 55 if ((x >> 48) == ((uint64_t) mru_val)) \ 58 if (((x >> 32) & 0xFFFFLLU) == ((uint64_t) mru_val)) \ 61 if (((x >> 16) & 0xFFFFLLU) == ((uint64_t) mru_val)) \ 64 if ((x & 0xFFFFLLU) == ((uint64_t) mru_val)) \ 69 mask = (~0LLU) << pos; \ 71 x1 = (x >> 16) & mask; \ 72 x2 = (x << (48 - pos)) & (0xFFFFLLU << 48); \ 76 bucket->lru_list = x; \ 79 #elif (RTE_TABLE_HASH_LRU_STRATEGY == 2) || (RTE_TABLE_HASH_LRU_STRATEGY == 3) 87 #error "Incorrect value for RTE_TABLE_HASH_LRU_STRATEGY"