[PATCH 1/2] fib: fix lookup in network order with RVV

[Sun Yuechi]

A FIB created with RTE_FIB_F_LOOKUP_NETWORK_ORDER was given the vector
lookup, which reads the addresses in host order. Leave such a FIB to
the scalar functions.

Fixes: f2ccf5fc334b ("fib: lookup with RISC-V vector extension")
Cc: sta...@dpdk.org
Signed-off-by: Sun Yuechi <sunyue...@iscas.ac.cn>
---
 lib/fib/dir24_8.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/fib/dir24_8.c b/lib/fib/dir24_8.c
index 489d2ef427..c135285a65 100644
--- a/lib/fib/dir24_8.c
+++ b/lib/fib/dir24_8.c
@@ -94,8 +94,8 @@ get_vector_fn(enum rte_fib_dir24_8_nh_sz nh_sz, bool be_addr)
                return NULL;
        }
 #elif defined(RTE_RISCV_FEATURE_V)
-       RTE_SET_USED(be_addr);
-       if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_RISCV_ISA_V) <= 0)
+       /* the vector functions take addresses in host order only */
+       if (be_addr || rte_cpu_get_flag_enabled(RTE_CPUFLAG_RISCV_ISA_V) <= 0)
                return NULL;
        switch (nh_sz) {
        case RTE_FIB_DIR24_8_1B:
-- 
2.56.0