ipsec: add Tx offload template into SA

[dpdk.git] / lib / librte_ipsec / sa.h

diff --git a/lib/librte_ipsec/sa.h b/lib/librte_ipsec/sa.h
index 12c061e..48c3c10 100644 (file)
--- a/lib/librte_ipsec/sa.h
+++ b/lib/librte_ipsec/sa.h
@@ -14,6 +14,7 @@
 /* padding alignment for different algorithms */
 enum {
        IPSEC_PAD_DEFAULT = 4,
+       IPSEC_PAD_3DES_CBC = 8,
        IPSEC_PAD_AES_CBC = IPSEC_MAX_IV_SIZE,
        IPSEC_PAD_AES_CTR = IPSEC_PAD_DEFAULT,
        IPSEC_PAD_AES_GCM = IPSEC_PAD_DEFAULT,
@@ -24,6 +25,10 @@ enum {
 enum {
        IPSEC_IV_SIZE_DEFAULT = IPSEC_MAX_IV_SIZE,
        IPSEC_AES_CTR_IV_SIZE = sizeof(uint64_t),
+       /* TripleDES supports IV size of 32bits or 64bits but he library
+        * only supports 64bits.
+        */
+       IPSEC_3DES_IV_SIZE = sizeof(uint64_t),
 };
 
 /* these definitions probably has to be in rte_crypto_sym.h */
@@ -57,6 +62,7 @@ struct replay_sqn {
 /*IPSEC SA supported algorithms */
 enum sa_algo_type      {
        ALGO_TYPE_NULL = 0,
+       ALGO_TYPE_3DES_CBC,
        ALGO_TYPE_AES_CBC,
        ALGO_TYPE_AES_CTR,
        ALGO_TYPE_AES_GCM,
@@ -81,6 +87,11 @@ struct rte_ipsec_sa {
                union sym_op_ofslen cipher;
                union sym_op_ofslen auth;
        } ctp;
+       /* tx_offload template for tunnel mbuf */
+       struct {
+               uint64_t msk;
+               uint64_t val;
+       } tx_offload;
        uint32_t salt;
        uint8_t algo_type;
        uint8_t proto;    /* next proto */