34 #ifndef __INCLUDE_RTE_LRU_H__ 35 #define __INCLUDE_RTE_LRU_H__ 41 #include <rte_config.h> 42 #ifdef RTE_ARCH_X86_64 43 #include "rte_lru_x86.h" 44 #elif defined(RTE_ARCH_ARM64) 45 #include "rte_lru_arm64.h" 47 #undef RTE_TABLE_HASH_LRU_STRATEGY 48 #define RTE_TABLE_HASH_LRU_STRATEGY 1 51 #if RTE_TABLE_HASH_LRU_STRATEGY == 0 53 #define lru_init(bucket) \ 58 #define lru_pos(bucket) (bucket->lru_list & 0xFFFFLLU) 60 #define lru_update(bucket, mru_val) \ 66 #elif RTE_TABLE_HASH_LRU_STRATEGY == 1 68 #define lru_init(bucket) \ 70 bucket->lru_list = 0x0000000100020003LLU; \ 73 #define lru_pos(bucket) (bucket->lru_list & 0xFFFFLLU) 75 #define lru_update(bucket, mru_val) \ 77 uint64_t x, pos, x0, x1, x2, mask; \ 79 x = bucket->lru_list; \ 82 if ((x >> 48) == ((uint64_t) mru_val)) \ 85 if (((x >> 32) & 0xFFFFLLU) == ((uint64_t) mru_val)) \ 88 if (((x >> 16) & 0xFFFFLLU) == ((uint64_t) mru_val)) \ 91 if ((x & 0xFFFFLLU) == ((uint64_t) mru_val)) \ 96 mask = (~0LLU) << pos; \ 98 x1 = (x >> 16) & mask; \ 99 x2 = (x << (48 - pos)) & (0xFFFFLLU << 48); \ 103 bucket->lru_list = x; \ 106 #elif (RTE_TABLE_HASH_LRU_STRATEGY == 2) || (RTE_TABLE_HASH_LRU_STRATEGY == 3) 114 #error "Incorrect value for RTE_TABLE_HASH_LRU_STRATEGY"