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Diffstat (limited to 'src/vnet/ipsec/esp_decrypt.c')
-rw-r--r--src/vnet/ipsec/esp_decrypt.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/vnet/ipsec/esp_decrypt.c b/src/vnet/ipsec/esp_decrypt.c
index 75092cc9581..ff9fc0c2d37 100644
--- a/src/vnet/ipsec/esp_decrypt.c
+++ b/src/vnet/ipsec/esp_decrypt.c
@@ -1096,6 +1096,9 @@ esp_decrypt_inline (vlib_main_t * vm,
current_sa_index = vnet_buffer (b[0])->ipsec.sad_index;
sa0 = pool_elt_at_index (im->sad, current_sa_index);
+
+ /* fetch the second cacheline ASAP */
+ CLIB_PREFETCH (sa0->cacheline1, CLIB_CACHE_LINE_BYTES, LOAD);
cpd.icv_sz = sa0->integ_icv_size;
cpd.iv_sz = sa0->crypto_iv_size;
cpd.flags = sa0->flags;