xref: /dpdk/lib/lpm/rte_lpm_scalar.h (revision b13fb775834c690c433de9397dee9e87a32503eb)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2022 StarFive
3  * Copyright(c) 2022 SiFive
4  * Copyright(c) 2022 Semihalf
5  */
6 
7 #ifndef _RTE_LPM_SCALAR_H_
8 #define _RTE_LPM_SCALAR_H_
9 
10 #include <rte_vect.h>
11 
12 #ifdef __cplusplus
13 extern "C" {
14 #endif
15 
16 static inline void
rte_lpm_lookupx4(const struct rte_lpm * lpm,xmm_t ip,uint32_t hop[4],uint32_t defv)17 rte_lpm_lookupx4(const struct rte_lpm *lpm, xmm_t ip, uint32_t hop[4],
18 		uint32_t defv)
19 {
20 	rte_xmm_t xip = { .x = ip };
21 	uint32_t nh;
22 	int ret;
23 
24 	ret = rte_lpm_lookup(lpm, xip.u32[0], &nh);
25 	hop[0] = (ret == 0) ? nh : defv;
26 	ret = rte_lpm_lookup(lpm, xip.u32[1], &nh);
27 	hop[1] = (ret == 0) ? nh : defv;
28 	ret = rte_lpm_lookup(lpm, xip.u32[2], &nh);
29 	hop[2] = (ret == 0) ? nh : defv;
30 	ret = rte_lpm_lookup(lpm, xip.u32[3], &nh);
31 	hop[3] = (ret == 0) ? nh : defv;
32 }
33 
34 #ifdef __cplusplus
35 }
36 #endif
37 
38 #endif /* _RTE_LPM_SCALAR_H_ */
39