34 #ifndef _RTE_LPM_LOONGARCH_H_ 35 #define _RTE_LPM_LOONGARCH_H_ 52 #ifdef RTE_ARCH_NO_VECTOR 56 uint64_t idx, pt, pt2;
60 const uint32_t mask = UINT8_MAX;
61 xmm_t mask8_tmp = (xmm_t){.u32 = {mask, mask, mask, mask} };
63 const xmm_t mask8 = mask8_tmp;
69 const uint64_t mask_xv =
70 ((uint64_t)RTE_LPM_VALID_EXT_ENTRY_BITMASK |
71 (uint64_t)RTE_LPM_VALID_EXT_ENTRY_BITMASK << 32);
77 const uint64_t mask_v =
82 for ( i = 0; i < 4; i++)
83 i24.u32[i] = ip.u32[i] >> CHAR_BIT;
88 ptbl = (
const uint32_t *)&lpm->tbl24[(uint32_t)idx];
90 ptbl = (
const uint32_t *)&lpm->tbl24[idx >> 32];
95 ptbl = (
const uint32_t *)&lpm->tbl24[(uint32_t)idx];
97 ptbl = (
const uint32_t *)&lpm->tbl24[idx >> 32];
101 for (i = 0; i < 2; i++)
102 i8.x.u64[i] = ip.u64[i] & mask8.u64[i];
108 pt = (uint64_t)tbl[0] |
109 (uint64_t)tbl[1] << 32;
110 pt2 = (uint64_t)tbl[2] |
111 (uint64_t)tbl[3] << 32;
114 if (
likely((pt & mask_xv) == mask_v) &&
115 likely((pt2 & mask_xv) == mask_v)) {
116 *(uint64_t *)hop = pt & RTE_LPM_MASKX4_RES;
117 *(uint64_t *)(hop + 2) = pt2 & RTE_LPM_MASKX4_RES;
121 if (
unlikely((pt & RTE_LPM_VALID_EXT_ENTRY_BITMASK) ==
122 RTE_LPM_VALID_EXT_ENTRY_BITMASK)) {
123 i8.u32[0] = i8.u32[0] +
124 (uint8_t)tbl[0] * RTE_LPM_TBL8_GROUP_NUM_ENTRIES;
125 ptbl = (
const uint32_t *)&lpm->tbl8[i8.u32[0]];
128 if (
unlikely((pt >> 32 & RTE_LPM_VALID_EXT_ENTRY_BITMASK) ==
129 RTE_LPM_VALID_EXT_ENTRY_BITMASK)) {
130 i8.u32[1] = i8.u32[1] +
131 (uint8_t)tbl[1] * RTE_LPM_TBL8_GROUP_NUM_ENTRIES;
132 ptbl = (
const uint32_t *)&lpm->tbl8[i8.u32[1]];
135 if (
unlikely((pt2 & RTE_LPM_VALID_EXT_ENTRY_BITMASK) ==
136 RTE_LPM_VALID_EXT_ENTRY_BITMASK)) {
137 i8.u32[2] = i8.u32[2] +
138 (uint8_t)tbl[2] * RTE_LPM_TBL8_GROUP_NUM_ENTRIES;
139 ptbl = (
const uint32_t *)&lpm->tbl8[i8.u32[2]];
142 if (
unlikely((pt2 >> 32 & RTE_LPM_VALID_EXT_ENTRY_BITMASK) ==
143 RTE_LPM_VALID_EXT_ENTRY_BITMASK)) {
144 i8.u32[3] = i8.u32[3] +
145 (uint8_t)tbl[3] * RTE_LPM_TBL8_GROUP_NUM_ENTRIES;
146 ptbl = (
const uint32_t *)&lpm->tbl8[i8.u32[3]];
static void rte_lpm_lookupx4(const struct rte_lpm *lpm, xmm_t ip, uint32_t hop[4], uint32_t defv)
#define RTE_LPM_LOOKUP_SUCCESS