New upstream version 17.08

[deb_dpdk.git] / lib / librte_efd / rte_efd.c

diff --git a/lib/librte_efd/rte_efd.c b/lib/librte_efd/rte_efd.c
index f601d62..4d9a088 100644 (file)
--- a/lib/librte_efd/rte_efd.c
+++ b/lib/librte_efd/rte_efd.c
@@ -53,6 +53,8 @@
 #include "rte_efd.h"
 #if defined(RTE_ARCH_X86)
 #include "rte_efd_x86.h"
+#elif defined(RTE_ARCH_ARM64)
+#include "rte_efd_arm64.h"
 #endif
 
 #define EFD_KEY(key_idx, table) (table->keys + ((key_idx) * table->key_len))
@@ -103,6 +105,7 @@ allocated memory
 enum efd_lookup_internal_function {
        EFD_LOOKUP_SCALAR = 0,
        EFD_LOOKUP_AVX2,
+       EFD_LOOKUP_NEON,
        EFD_LOOKUP_NUM
 };
 
@@ -673,6 +676,16 @@ rte_efd_create(const char *name, uint32_t max_num_rules, uint32_t key_len,
        if (RTE_EFD_VALUE_NUM_BITS > 3 && rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2))
                table->lookup_fn = EFD_LOOKUP_AVX2;
        else
+#endif
+#if defined(RTE_ARCH_ARM64)
+       /*
+        * For less than or equal to 16 bits, scalar function performs better
+        * than vectorised version
+        */
+       if (RTE_EFD_VALUE_NUM_BITS > 16 &&
+           rte_cpu_get_flag_enabled(RTE_CPUFLAG_NEON))
+               table->lookup_fn = EFD_LOOKUP_NEON;
+       else
 #endif
                table->lookup_fn = EFD_LOOKUP_SCALAR;
 
@@ -1271,6 +1284,15 @@ efd_lookup_internal(const struct efd_online_group_entry * const group,
                                        group->lookup_table,
                                        hash_val_a,
                                        hash_val_b);
+               break;
+#endif
+#if defined(RTE_ARCH_ARM64)
+       case EFD_LOOKUP_NEON:
+               return efd_lookup_internal_neon(group->hash_idx,
+                                       group->lookup_table,
+                                       hash_val_a,
+                                       hash_val_b);
+               break;
 #endif
        case EFD_LOOKUP_SCALAR:
        /* Fall-through */