net: add rte prefix to ESP structure

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

diff --git a/lib/librte_ipsec/crypto.h b/lib/librte_ipsec/crypto.h
index b5f2648..f8fbf8d 100644 (file)
--- a/lib/librte_ipsec/crypto.h
+++ b/lib/librte_ipsec/crypto.h
@@ -11,6 +11,16 @@
  * by ipsec library.
  */
 
+/*
+ * AES-CTR counter block format.
+ */
+
+struct aesctr_cnt_blk {
+       uint32_t nonce;
+       uint64_t iv;
+       uint32_t cnt;
+} __attribute__((packed));
+
  /*
   * AES-GCM devices have some specific requirements for IV and AAD formats.
   * Ideally that to be done by the driver itself.
@@ -37,10 +47,17 @@ struct aead_gcm_aad {
 } __attribute__((packed));
 
 struct gcm_esph_iv {
-       struct esp_hdr esph;
+       struct rte_esp_hdr esph;
        uint64_t iv;
 } __attribute__((packed));
 
+static inline void
+aes_ctr_cnt_blk_fill(struct aesctr_cnt_blk *ctr, uint64_t iv, uint32_t nonce)
+{
+       ctr->nonce = nonce;
+       ctr->iv = iv;
+       ctr->cnt = rte_cpu_to_be_32(1);
+}
 
 static inline void
 aead_gcm_iv_fill(struct aead_gcm_iv *gcm, uint64_t iv, uint32_t salt)
@@ -78,7 +95,7 @@ gen_iv(uint64_t iv[IPSEC_MAX_IV_QWORD], rte_be64_t sqn)
 
 /*
  * Helper routine to copy IV
- * Righ now we support only algorithms with IV length equals 0/8/16 bytes.
+ * Right now we support only algorithms with IV length equals 0/8/16 bytes.
  */
 static inline void
 copy_iv(uint64_t dst[IPSEC_MAX_IV_QWORD],
@@ -145,4 +162,21 @@ remove_sqh(void *picv, uint32_t icv_len)
                icv[i] = icv[i + 1];
 }
 
+/*
+ * setup crypto ops for LOOKASIDE_NONE (pure crypto) type of devices.
+ */
+static inline void
+lksd_none_cop_prepare(struct rte_crypto_op *cop,
+       struct rte_cryptodev_sym_session *cs, struct rte_mbuf *mb)
+{
+       struct rte_crypto_sym_op *sop;
+
+       sop = cop->sym;
+       cop->type = RTE_CRYPTO_OP_TYPE_SYMMETRIC;
+       cop->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
+       cop->sess_type = RTE_CRYPTO_OP_WITH_SESSION;
+       sop->m_src = mb;
+       __rte_crypto_sym_op_attach_sym_session(sop, cs);
+}
+
 #endif /* _CRYPTO_H_ */