| 140 | } |
| 141 | |
| 142 | static inline uint32_t |
| 143 | get_rev_bit_lfsr(struct thash_lfsr *lfsr) |
| 144 | { |
| 145 | uint32_t bit, ret; |
| 146 | |
| 147 | bit = rte_popcount32(lfsr->rev_state & lfsr->rev_poly) & 0x1; |
| 148 | ret = lfsr->rev_state & (1 << (lfsr->deg - 1)); |
| 149 | lfsr->rev_state = ((lfsr->rev_state << 1) | bit) & |
| 150 | ((1 << lfsr->deg) - 1); |
| 151 | |
| 152 | lfsr->bits_cnt++; |
| 153 | return ret; |
| 154 | } |
| 155 | |
| 156 | static inline uint32_t |
| 157 | thash_get_rand_poly(uint32_t poly_degree) |
no test coverage detected