ipsec: Add option to configure the hand-off worker queue size

Type: improvement

Change-Id: I252951d3ec01497c049ca0ffb7cb42aaf2efb965
Signed-off-by: Dau Do <daudo@yahoo.com>
diff --git a/src/vnet/ipsec/ipsec.h b/src/vnet/ipsec/ipsec.h
index 4aa09d7..9ab054c 100644
--- a/src/vnet/ipsec/ipsec.h
+++ b/src/vnet/ipsec/ipsec.h
@@ -248,6 +248,8 @@
   u32 esp4_dec_tun_fq_index;
   u32 esp6_dec_tun_fq_index;
 
+  u32 handoff_queue_size;
+
   /* Number of buckets for flow cache */
   u32 ipsec4_out_spd_hash_num_buckets;
   u32 ipsec4_out_spd_flow_cache_entries;