5 #ifndef _RTE_LPM_LSX_H_ 6 #define _RTE_LPM_LSX_H_ 26 uint64_t idx, pt, pt2;
30 uint32_t max = UINT8_MAX;
31 mask8_tmp = __lsx_vreplgr2vr_w(max);
32 const __m128i mask8 = mask8_tmp;
38 const uint64_t mask_xv =
39 ((uint64_t)RTE_LPM_VALID_EXT_ENTRY_BITMASK |
40 (uint64_t)RTE_LPM_VALID_EXT_ENTRY_BITMASK << 32);
46 const uint64_t mask_v =
51 i24 = __lsx_vsrli_w(ip.m128i, CHAR_BIT);
54 idx = __lsx_vpickve2gr_d(i24, 0);
55 i24 = __lsx_vbsrl_v(i24, 8);
57 ptbl = (
const uint32_t *)&lpm->tbl24[(uint32_t)idx];
59 ptbl = (
const uint32_t *)&lpm->tbl24[idx >> 32];
62 idx = __lsx_vpickve2gr_d(i24, 0);
64 ptbl = (
const uint32_t *)&lpm->tbl24[(uint32_t)idx];
66 ptbl = (
const uint32_t *)&lpm->tbl24[idx >> 32];
70 i8.x.m128i = __lsx_vand_v(ip.m128i, mask8);
72 pt = (uint64_t)tbl[0] |
73 (uint64_t)tbl[1] << 32;
74 pt2 = (uint64_t)tbl[2] |
75 (uint64_t)tbl[3] << 32;
78 if (
likely((pt & mask_xv) == mask_v) &&
79 likely((pt2 & mask_xv) == mask_v)) {
80 *(uint64_t *)hop = pt & RTE_LPM_MASKX4_RES;
81 *(uint64_t *)(hop + 2) = pt2 & RTE_LPM_MASKX4_RES;
85 if (
unlikely((pt & RTE_LPM_VALID_EXT_ENTRY_BITMASK) ==
86 RTE_LPM_VALID_EXT_ENTRY_BITMASK)) {
87 i8.u32[0] = i8.u32[0] +
88 (uint8_t)tbl[0] * RTE_LPM_TBL8_GROUP_NUM_ENTRIES;
89 ptbl = (
const uint32_t *)&lpm->tbl8[i8.u32[0]];
92 if (
unlikely((pt >> 32 & RTE_LPM_VALID_EXT_ENTRY_BITMASK) ==
93 RTE_LPM_VALID_EXT_ENTRY_BITMASK)) {
94 i8.u32[1] = i8.u32[1] +
95 (uint8_t)tbl[1] * RTE_LPM_TBL8_GROUP_NUM_ENTRIES;
96 ptbl = (
const uint32_t *)&lpm->tbl8[i8.u32[1]];
99 if (
unlikely((pt2 & RTE_LPM_VALID_EXT_ENTRY_BITMASK) ==
100 RTE_LPM_VALID_EXT_ENTRY_BITMASK)) {
101 i8.u32[2] = i8.u32[2] +
102 (uint8_t)tbl[2] * RTE_LPM_TBL8_GROUP_NUM_ENTRIES;
103 ptbl = (
const uint32_t *)&lpm->tbl8[i8.u32[2]];
106 if (
unlikely((pt2 >> 32 & RTE_LPM_VALID_EXT_ENTRY_BITMASK) ==
107 RTE_LPM_VALID_EXT_ENTRY_BITMASK)) {
108 i8.u32[3] = i8.u32[3] +
109 (uint8_t)tbl[3] * RTE_LPM_TBL8_GROUP_NUM_ENTRIES;
110 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