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Diffstat (limited to 'src/plugins/nat/nat_reass.h')
-rw-r--r--src/plugins/nat/nat_reass.h12
1 files changed, 10 insertions, 2 deletions
diff --git a/src/plugins/nat/nat_reass.h b/src/plugins/nat/nat_reass.h
index 4a9137e3255..5b18d1bd7b9 100644
--- a/src/plugins/nat/nat_reass.h
+++ b/src/plugins/nat/nat_reass.h
@@ -30,6 +30,8 @@
#define NAT_MAX_FRAG_DEFAULT 5
#define NAT_REASS_HT_LOAD_FACTOR (0.75)
+#define NAT_REASS_FLAG_MAX_FRAG_DROP 1
+
typedef struct
{
union
@@ -57,6 +59,7 @@ typedef CLIB_PACKED(struct
f64 last_heard;
u32 frags_per_reass_list_head_index;
u8 frag_n;
+ u8 flags;
}) nat_reass_ip4_t;
/* *INDENT-ON* */
@@ -86,6 +89,7 @@ typedef CLIB_PACKED(struct
f64 last_heard;
u32 frags_per_reass_list_head_index;
u8 frag_n;
+ u8 flags;
}) nat_reass_ip6_t;
/* *INDENT-ON* */
@@ -222,10 +226,12 @@ nat_reass_ip4_t *nat_ip4_reass_find_or_create (ip4_address_t src,
*
* @param reass Reassembly data.
* @param bi Buffer index.
+ * @param bi_to_drop Fragments to drop.
*
* @returns 0 on success, non-zero value otherwise.
*/
-int nat_ip4_reass_add_fragment (nat_reass_ip4_t * reass, u32 bi);
+int nat_ip4_reass_add_fragment (nat_reass_ip4_t * reass, u32 bi,
+ u32 ** bi_to_drop);
/**
* @brief Get cached fragments.
@@ -271,10 +277,12 @@ nat_reass_ip6_t *nat_ip6_reass_find_or_create (ip6_address_t src,
*
* @param reass Reassembly data.
* @param bi Buffer index.
+ * @param bi_to_drop Fragments to drop.
*
* @returns 0 on success, non-zero value otherwise.
*/
-int nat_ip6_reass_add_fragment (nat_reass_ip6_t * reass, u32 bi);
+int nat_ip6_reass_add_fragment (nat_reass_ip6_t * reass, u32 bi,
+ u32 ** bi_to_drop);
/**
* @brief Get cached fragments.