examples/ipsec-secgw: remove duplicated check

[dpdk.git] / examples / ipsec-secgw / sad.c

diff --git a/examples/ipsec-secgw/sad.c b/examples/ipsec-secgw/sad.c
index fd31101..5b2c0e6 100644 (file)
--- a/examples/ipsec-secgw/sad.c
+++ b/examples/ipsec-secgw/sad.c
@@ -3,10 +3,17 @@
  */
 
 #include <rte_errno.h>
+#include <rte_malloc.h>
 
 #include "ipsec.h"
 #include "sad.h"
 
+RTE_DEFINE_PER_LCORE(struct ipsec_sad_cache, sad_cache) = {
+       .v4 = NULL,
+       .v6 = NULL,
+       .mask = 0,
+};
+
 int
 ipsec_sad_add(struct ipsec_sad *sad, struct ipsec_sa *sa)
 {
@@ -65,6 +72,39 @@ ipsec_sad_add(struct ipsec_sad *sad, struct ipsec_sa *sa)
        return 0;
 }
 
+/*
+ * Init per lcore SAD cache.
+ * Must be called by every processing lcore.
+ */
+int
+ipsec_sad_lcore_cache_init(uint32_t nb_cache_ent)
+{
+       uint32_t cache_elem;
+       size_t cache_mem_sz;
+       struct ipsec_sad_cache *cache;
+
+       cache = &RTE_PER_LCORE(sad_cache);
+
+       cache_elem = rte_align32pow2(nb_cache_ent);
+       cache_mem_sz = sizeof(struct ipsec_sa *) * cache_elem;
+
+       if (cache_mem_sz != 0) {
+               cache->v4 = rte_zmalloc_socket(NULL, cache_mem_sz,
+                       RTE_CACHE_LINE_SIZE, rte_socket_id());
+               if (cache->v4 == NULL)
+                       return -rte_errno;
+
+               cache->v6 = rte_zmalloc_socket(NULL, cache_mem_sz,
+                       RTE_CACHE_LINE_SIZE, rte_socket_id());
+               if (cache->v6 == NULL)
+                       return -rte_errno;
+
+               cache->mask = cache_elem - 1;
+       }
+
+       return 0;
+}
+
 int
 ipsec_sad_create(const char *name, struct ipsec_sad *sad,
        int socket_id, struct ipsec_sa_cnt *sa_cnt)