cryptodev: add auth IV

[dpdk.git] / lib / librte_cryptodev / rte_crypto_sym.h

diff --git a/lib/librte_cryptodev/rte_crypto_sym.h b/lib/librte_cryptodev/rte_crypto_sym.h
index a12fd9f..7bd95f7 100644 (file)
--- a/lib/librte_cryptodev/rte_crypto_sym.h
+++ b/lib/librte_cryptodev/rte_crypto_sym.h
@@ -393,6 +393,30 @@ struct rte_crypto_auth_xform {
         *  of the AAD data is specified in additional authentication data
         *  length field of the rte_crypto_sym_op_data structure
         */
+
+       struct {
+               uint16_t offset;
+               /**< Starting point for Initialisation Vector or Counter,
+                * specified as number of bytes from start of crypto
+                * operation (rte_crypto_op).
+                *
+                * - For KASUMI in F9 mode, SNOW 3G in UIA2 mode,
+                *   for ZUC in EIA3 mode and for AES-GMAC, this is the
+                *   authentication Initialisation Vector (IV) value.
+                *
+                *
+                * For optimum performance, the data pointed to SHOULD
+                * be 8-byte aligned.
+                */
+               uint16_t length;
+               /**< Length of valid IV data.
+                *
+                * - For KASUMI in F9 mode, SNOW3G in UIA2 mode, for
+                *   ZUC in EIA3 mode and for AES-GMAC, this is the length
+                *   of the IV.
+                *
+                */
+       } iv;   /**< Initialisation vector parameters */
 };
 
 /** Crypto transformation types */