5 #ifndef __INCLUDE_RTE_LRU_H__ 6 #define __INCLUDE_RTE_LRU_H__ 8 #include <rte_config.h> 10 #include "rte_lru_x86.h" 11 #elif defined(RTE_ARCH_ARM64) 12 #include "rte_lru_arm64.h" 14 #undef RTE_TABLE_HASH_LRU_STRATEGY 15 #define RTE_TABLE_HASH_LRU_STRATEGY 1 18 #if RTE_TABLE_HASH_LRU_STRATEGY == 0 20 #define lru_init(bucket) \ 25 #define lru_pos(bucket) (bucket->lru_list & 0xFFFFLLU) 27 #define lru_update(bucket, mru_val) \ 33 #elif RTE_TABLE_HASH_LRU_STRATEGY == 1 35 #define lru_init(bucket) \ 37 bucket->lru_list = 0x0000000100020003LLU; \ 40 #define lru_pos(bucket) (bucket->lru_list & 0xFFFFLLU) 42 #define lru_update(bucket, mru_val) \ 44 uint64_t x, pos, x0, x1, x2, mask; \ 46 x = bucket->lru_list; \ 49 if ((x >> 48) == ((uint64_t) mru_val)) \ 52 if (((x >> 32) & 0xFFFFLLU) == ((uint64_t) mru_val)) \ 55 if (((x >> 16) & 0xFFFFLLU) == ((uint64_t) mru_val)) \ 58 if ((x & 0xFFFFLLU) == ((uint64_t) mru_val)) \ 63 mask = (~0LLU) << pos; \ 65 x1 = (x >> 16) & mask; \ 66 x2 = (x << (48 - pos)) & (0xFFFFLLU << 48); \ 70 bucket->lru_list = x; \ 73 #elif (RTE_TABLE_HASH_LRU_STRATEGY == 2) || (RTE_TABLE_HASH_LRU_STRATEGY == 3) 81 #error "Incorrect value for RTE_TABLE_HASH_LRU_STRATEGY"