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-rw-r--r--src/vnet/ipsec/esp.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/vnet/ipsec/esp.h b/src/vnet/ipsec/esp.h
index d24b5ea4102..51386e68844 100644
--- a/src/vnet/ipsec/esp.h
+++ b/src/vnet/ipsec/esp.h
@@ -59,6 +59,18 @@ typedef CLIB_PACKED (struct {
/* *INDENT-ON* */
/**
+ * AES counter mode nonce
+ */
+typedef struct
+{
+ u32 salt;
+ u64 iv;
+ u32 ctr; /* counter: 1 in big-endian for ctr, unused for gcm */
+} __clib_packed esp_ctr_nonce_t;
+
+STATIC_ASSERT_SIZEOF (esp_ctr_nonce_t, 16);
+
+/**
* AES GCM Additional Authentication data
*/
typedef struct esp_aead_t_
@@ -196,6 +208,7 @@ typedef struct
} esp_decrypt_packet_data_t;
STATIC_ASSERT_SIZEOF (esp_decrypt_packet_data_t, 3 * sizeof (u64));
+STATIC_ASSERT_OFFSET_OF (esp_decrypt_packet_data_t, seq, sizeof (u64));
/* we are forced to store the decrypt post data into 2 separate places -
vlib_opaque and opaque2. */