@@ -6,6 +6,7 @@
#define _OTX2_CRYPTODEV_H_
#include "cpt_common.h"
+#include "cpt_hw_types.h"
#include "otx2_dev.h"
@@ -33,6 +34,13 @@ struct otx2_cpt_vf {
/**< CPT device capabilities */
};
+struct cpt_meta_info {
+ uint64_t deq_op_info[4];
+ uint64_t comp_code_sz;
+ union cpt_res_s cpt_res __rte_aligned(16);
+ struct cpt_request_info cpt_req __rte_aligned(8);
+};
+
#define CPT_LOGTYPE otx2_cpt_logtype
extern int otx2_cpt_logtype;
@@ -13,8 +13,10 @@
#include "otx2_cryptodev_hw_access.h"
#include "otx2_cryptodev_mbox.h"
#include "otx2_cryptodev_ops.h"
+#include "otx2_ipsec_po_ops.h"
#include "otx2_mbox.h"
#include "otx2_sec_idev.h"
+#include "otx2_security.h"
#include "cpt_hw_types.h"
#include "cpt_pmd_logs.h"
@@ -603,6 +605,36 @@ otx2_cpt_enqueue_sym(struct otx2_cpt_qp *qp, struct rte_crypto_op *op,
return ret;
}
+static __rte_always_inline int __rte_hot
+otx2_cpt_enqueue_sec(struct otx2_cpt_qp *qp, struct rte_crypto_op *op,
+ struct pending_queue *pend_q)
+{
+ struct otx2_sec_session_ipsec_lp *sess;
+ struct otx2_ipsec_po_sa_ctl *ctl_wrd;
+ struct otx2_sec_session *priv;
+ struct cpt_request_info *req;
+ int ret;
+
+ priv = get_sec_session_private_data(op->sym->sec_session);
+ sess = &priv->ipsec.lp;
+
+ ctl_wrd = &sess->in_sa.ctl;
+
+ if (ctl_wrd->direction == OTX2_IPSEC_PO_SA_DIRECTION_OUTBOUND)
+ ret = process_outb_sa(op, sess, &qp->meta_info, (void **)&req);
+ else
+ ret = process_inb_sa(op, sess, &qp->meta_info, (void **)&req);
+
+ if (unlikely(ret)) {
+ otx2_err("Crypto req : op %p, ret 0x%x", op, ret);
+ return ret;
+ }
+
+ ret = otx2_cpt_enqueue_req(qp, pend_q, req);
+
+ return ret;
+}
+
static __rte_always_inline int __rte_hot
otx2_cpt_enqueue_sym_sessless(struct otx2_cpt_qp *qp, struct rte_crypto_op *op,
struct pending_queue *pend_q)
@@ -656,7 +688,9 @@ otx2_cpt_enqueue_burst(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
for (count = 0; count < nb_ops; count++) {
op = ops[count];
if (op->type == RTE_CRYPTO_OP_TYPE_SYMMETRIC) {
- if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION)
+ if (op->sess_type == RTE_CRYPTO_OP_SECURITY_SESSION)
+ ret = otx2_cpt_enqueue_sec(qp, op, pend_q);
+ else if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION)
ret = otx2_cpt_enqueue_sym(qp, op, pend_q);
else
ret = otx2_cpt_enqueue_sym_sessless(qp, op,
@@ -86,6 +86,12 @@ enum {
OTX2_IPSEC_PO_SA_ENCAP_UDP = 1,
};
+struct otx2_ipsec_po_out_hdr {
+ uint32_t ip_id;
+ uint32_t seq;
+ uint8_t iv[16];
+};
+
union bit_perfect_iv {
uint8_t aes_iv[16];
uint8_t des_iv[8];
new file mode 100644
@@ -0,0 +1,179 @@
+
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2019 Marvell International Ltd.
+ */
+
+#ifndef __OTX2_IPSEC_PO_OPS_H__
+#define __OTX2_IPSEC_PO_OPS_H__
+
+#include <rte_crypto_sym.h>
+#include <rte_security.h>
+
+#include "otx2_cryptodev.h"
+#include "otx2_security.h"
+
+static __rte_always_inline int32_t
+otx2_ipsec_po_out_rlen_get(struct otx2_sec_session_ipsec_lp *sess,
+ uint32_t plen)
+{
+ uint32_t enc_payload_len;
+
+ enc_payload_len = RTE_ALIGN_CEIL(plen + sess->roundup_len,
+ sess->roundup_byte);
+
+ return sess->partial_len + enc_payload_len;
+}
+
+static __rte_always_inline struct cpt_request_info *
+alloc_request_struct(char *maddr, void *cop, int mdata_len)
+{
+ struct cpt_request_info *req;
+ struct cpt_meta_info *meta;
+ uint8_t *resp_addr;
+ uintptr_t *op;
+
+ meta = (void *)RTE_PTR_ALIGN((uint8_t *)maddr, 16);
+
+ op = meta->deq_op_info;
+ req = &meta->cpt_req;
+ resp_addr = (uint8_t *)&meta->cpt_res;
+
+ req->completion_addr = (uint64_t *)((uint8_t *)resp_addr);
+ *req->completion_addr = COMPLETION_CODE_INIT;
+ req->comp_baddr = rte_mem_virt2iova(resp_addr);
+ req->op = op;
+
+ op[0] = (uintptr_t)((uint64_t)meta | 1ull);
+ op[1] = (uintptr_t)cop;
+ op[2] = (uintptr_t)req;
+ op[3] = mdata_len;
+
+ return req;
+}
+
+static __rte_always_inline int
+process_outb_sa(struct rte_crypto_op *cop,
+ struct otx2_sec_session_ipsec_lp *sess,
+ struct cpt_qp_meta_info *m_info, void **prep_req)
+{
+ uint32_t dlen, rlen, extend_head, extend_tail;
+ struct rte_crypto_sym_op *sym_op = cop->sym;
+ struct rte_mbuf *m_src = sym_op->m_src;
+ struct otx2_ipsec_po_sa_ctl *ctl_wrd;
+ struct cpt_request_info *req = NULL;
+ struct otx2_ipsec_po_out_hdr *hdr;
+ struct otx2_ipsec_po_out_sa *sa;
+ int hdr_len, mdata_len, ret = 0;
+ vq_cmd_word0_t word0;
+ char *mdata, *data;
+
+ sa = &sess->out_sa;
+ ctl_wrd = &sa->ctl;
+ hdr_len = sizeof(*hdr);
+
+ dlen = rte_pktmbuf_pkt_len(m_src) + hdr_len;
+ rlen = otx2_ipsec_po_out_rlen_get(sess, dlen - hdr_len);
+
+ extend_head = hdr_len + RTE_ETHER_HDR_LEN;
+ extend_tail = rlen - dlen;
+ mdata_len = m_info->lb_mlen + 8;
+
+ mdata = rte_pktmbuf_append(m_src, extend_tail + mdata_len);
+ if (unlikely(mdata == NULL)) {
+ otx2_err("Not enough tail room\n");
+ ret = -ENOMEM;
+ goto exit;
+ }
+
+ mdata += extend_tail; /* mdata follows encrypted data */
+ req = alloc_request_struct(mdata, (void *)cop, mdata_len);
+
+ data = rte_pktmbuf_prepend(m_src, extend_head);
+ if (unlikely(data == NULL)) {
+ otx2_err("Not enough head room\n");
+ ret = -ENOMEM;
+ goto exit;
+ }
+
+ /*
+ * Move the Ethernet header, to insert otx2_ipsec_po_out_hdr prior
+ * to the IP header
+ */
+ memcpy(data, data + hdr_len, RTE_ETHER_HDR_LEN);
+
+ hdr = (struct otx2_ipsec_po_out_hdr *)rte_pktmbuf_adj(m_src,
+ RTE_ETHER_HDR_LEN);
+
+ if (ctl_wrd->enc_type == OTX2_IPSEC_FP_SA_ENC_AES_GCM) {
+ memcpy(&hdr->iv[0], &sa->iv.misc.nonce, 4);
+ memcpy(&hdr->iv[4], rte_crypto_op_ctod_offset(cop, uint8_t *,
+ sess->iv_offset), sess->iv_length);
+ } else if (ctl_wrd->auth_type == OTX2_IPSEC_FP_SA_ENC_AES_CBC) {
+ memcpy(&hdr->iv[0], rte_crypto_op_ctod_offset(cop, uint8_t *,
+ sess->iv_offset), sess->iv_length);
+ }
+
+ /* Prepare CPT instruction */
+ word0.s.opcode = sess->ucmd_opcode;
+ word0.s.param1 = sess->ucmd_param1;
+ word0.s.param2 = sess->ucmd_param2;
+ word0.s.dlen = dlen;
+
+ req->ist.ei0 = word0.u64;
+ req->ist.ei1 = rte_pktmbuf_iova(m_src);
+ req->ist.ei2 = req->ist.ei1;
+ req->ist.ei3 = sess->ucmd_w3;
+
+ hdr->seq = rte_cpu_to_be_32(sess->seq_lo);
+ hdr->ip_id = rte_cpu_to_be_32(sess->ip_id);
+
+ sess->ip_id++;
+ sess->esn++;
+
+exit:
+ *prep_req = req;
+
+ return ret;
+}
+
+static __rte_always_inline int
+process_inb_sa(struct rte_crypto_op *cop,
+ struct otx2_sec_session_ipsec_lp *sess,
+ struct cpt_qp_meta_info *m_info, void **prep_req)
+{
+ struct rte_crypto_sym_op *sym_op = cop->sym;
+ struct rte_mbuf *m_src = sym_op->m_src;
+ struct cpt_request_info *req = NULL;
+ int mdata_len, ret = 0;
+ vq_cmd_word0_t word0;
+ uint32_t dlen;
+ char *mdata;
+
+ dlen = rte_pktmbuf_pkt_len(m_src);
+ mdata_len = m_info->lb_mlen + 8;
+
+ mdata = rte_pktmbuf_append(m_src, mdata_len);
+ if (unlikely(mdata == NULL)) {
+ otx2_err("Not enough tail room\n");
+ ret = -ENOMEM;
+ goto exit;
+ }
+
+ req = alloc_request_struct(mdata, (void *)cop, mdata_len);
+
+ /* Prepare CPT instruction */
+ word0.s.opcode = sess->ucmd_opcode;
+ word0.s.param1 = sess->ucmd_param1;
+ word0.s.param2 = sess->ucmd_param2;
+ word0.s.dlen = dlen;
+
+ req->ist.ei0 = word0.u64;
+ req->ist.ei1 = rte_pktmbuf_iova(m_src);
+ req->ist.ei2 = req->ist.ei1;
+ req->ist.ei3 = sess->ucmd_w3;
+
+exit:
+ *prep_req = req;
+ return ret;
+}
+#endif /* __OTX2_IPSEC_PO_OPS_H__ */