crypto/dpaa2_sec: support out of place protocol offload

OOP support for look aside protocol support is added.

Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
Acked-by: Akhil Goyal <akhil.goyal@nxp.com>

diff --git a/drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c b/drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c
index 0b6be42..ddf3e47 100644 (file)
--- a/drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c
+++ b/drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c
@@ -61,12 +61,76 @@ static uint8_t cryptodev_driver_id;
 
 int dpaa2_logtype_sec;
 
+static inline int
+build_proto_compound_fd(dpaa2_sec_session *sess,
+              struct rte_crypto_op *op,
+              struct qbman_fd *fd, uint16_t bpid)
+{
+       struct rte_crypto_sym_op *sym_op = op->sym;
+       struct ctxt_priv *priv = sess->ctxt;
+       struct qbman_fle *fle, *ip_fle, *op_fle;
+       struct sec_flow_context *flc;
+       struct rte_mbuf *src_mbuf = sym_op->m_src;
+       struct rte_mbuf *dst_mbuf = sym_op->m_dst;
+       int retval;
+
+       /* Save the shared descriptor */
+       flc = &priv->flc_desc[0].flc;
+
+       /* we are using the first FLE entry to store Mbuf */
+       retval = rte_mempool_get(priv->fle_pool, (void **)(&fle));
+       if (retval) {
+               DPAA2_SEC_ERR("Memory alloc failed");
+               return -1;
+       }
+       memset(fle, 0, FLE_POOL_BUF_SIZE);
+       DPAA2_SET_FLE_ADDR(fle, (size_t)op);
+       DPAA2_FLE_SAVE_CTXT(fle, (ptrdiff_t)priv);
+
+       op_fle = fle + 1;
+       ip_fle = fle + 2;
+
+       if (likely(bpid < MAX_BPID)) {
+               DPAA2_SET_FD_BPID(fd, bpid);
+               DPAA2_SET_FLE_BPID(op_fle, bpid);
+               DPAA2_SET_FLE_BPID(ip_fle, bpid);
+       } else {
+               DPAA2_SET_FD_IVP(fd);
+               DPAA2_SET_FLE_IVP(op_fle);
+               DPAA2_SET_FLE_IVP(ip_fle);
+       }
+
+       /* Configure FD as a FRAME LIST */
+       DPAA2_SET_FD_ADDR(fd, DPAA2_VADDR_TO_IOVA(op_fle));
+       DPAA2_SET_FD_COMPOUND_FMT(fd);
+       DPAA2_SET_FD_FLC(fd, (ptrdiff_t)flc);
+
+       /* Configure Output FLE with dst mbuf data  */
+       DPAA2_SET_FLE_ADDR(op_fle, DPAA2_MBUF_VADDR_TO_IOVA(dst_mbuf));
+       DPAA2_SET_FLE_OFFSET(op_fle, dst_mbuf->data_off);
+       DPAA2_SET_FLE_LEN(op_fle, dst_mbuf->buf_len);
+
+       /* Configure Input FLE with src mbuf data */
+       DPAA2_SET_FLE_ADDR(ip_fle, DPAA2_MBUF_VADDR_TO_IOVA(src_mbuf));
+       DPAA2_SET_FLE_OFFSET(ip_fle, src_mbuf->data_off);
+       DPAA2_SET_FLE_LEN(ip_fle, src_mbuf->pkt_len);
+
+       DPAA2_SET_FD_LEN(fd, ip_fle->length);
+       DPAA2_SET_FLE_FIN(ip_fle);
+
+       return 0;
+
+}
+
 static inline int
 build_proto_fd(dpaa2_sec_session *sess,
               struct rte_crypto_op *op,
               struct qbman_fd *fd, uint16_t bpid)
 {
        struct rte_crypto_sym_op *sym_op = op->sym;
+       if (sym_op->m_dst)
+               return build_proto_compound_fd(sess, op, fd, bpid);
+
        struct ctxt_priv *priv = sess->ctxt;
        struct sec_flow_context *flc;
        struct rte_mbuf *mbuf = sym_op->m_src;
@@ -1273,6 +1337,16 @@ sec_fd_to_mbuf(const struct qbman_fd *fd, uint8_t driver_id)
        } else
                dst = src;
 
+       if (op->sess_type == RTE_CRYPTO_OP_SECURITY_SESSION) {
+               dpaa2_sec_session *sess = (dpaa2_sec_session *)
+                       get_sec_session_private_data(op->sym->sec_session);
+               if (sess->ctxt_type == DPAA2_SEC_IPSEC) {
+                       uint16_t len = DPAA2_GET_FD_LEN(fd);
+                       dst->pkt_len = len;
+                       dst->data_len = len;
+               }
+       }
+
        DPAA2_SEC_DP_DEBUG("mbuf %p BMAN buf addr %p,"
                " fdaddr =%" PRIx64 " bpid =%d meta =%d off =%d, len =%d\n",
                (void *)dst,
@@ -2154,6 +2228,7 @@ dpaa2_sec_set_ipsec_session(struct rte_cryptodev *dev,
        struct alginfo authdata, cipherdata;
        int bufsize;
        struct sec_flow_context *flc;
+       struct dpaa2_sec_dev_private *dev_priv = dev->data->dev_private;
 
        PMD_INIT_FUNC_TRACE();
 
@@ -2175,6 +2250,7 @@ dpaa2_sec_set_ipsec_session(struct rte_cryptodev *dev,
                return -ENOMEM;
        }
 
+       priv->fle_pool = dev_priv->fle_pool;
        flc = &priv->flc_desc[0].flc;
 
        session->ctxt_type = DPAA2_SEC_IPSEC;