drivers/crypto/cnxk/cn10k_ipsec_la_ops.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(C) 2021 Marvell.
   3  */
   4
   5 #ifndef __CN10K_IPSEC_LA_OPS_H__
   6 #define __CN10K_IPSEC_LA_OPS_H__
   7
   8 #include <rte_crypto_sym.h>
   9 #include <rte_security.h>
  10
  11 #include "cn10k_cryptodev.h"
  12 #include "cn10k_ipsec.h"
  13 #include "cnxk_cryptodev.h"
  14
  15 static __rte_always_inline int
  16 process_outb_sa(struct rte_crypto_op *cop, struct cn10k_ipsec_sa *sess,
  17                 struct cpt_inst_s *inst)
  18 {
  19         struct rte_crypto_sym_op *sym_op = cop->sym;
  20         struct rte_mbuf *m_src = sym_op->m_src;
  21
  22         if (unlikely(rte_pktmbuf_tailroom(m_src) < sess->max_extended_len)) {
  23                 plt_dp_err("Not enough tail room");
  24                 return -ENOMEM;
  25         }
  26
  27         /* Prepare CPT instruction */
  28         inst->w4.u64 = sess->inst.w4;
  29         inst->w4.s.dlen = rte_pktmbuf_pkt_len(m_src);
  30         inst->dptr = rte_pktmbuf_iova(m_src);
  31         inst->rptr = inst->dptr;
  32
  33         return 0;
  34 }
  35
  36 static __rte_always_inline int
  37 process_inb_sa(struct rte_crypto_op *cop, struct cn10k_ipsec_sa *sa,
  38                struct cpt_inst_s *inst)
  39 {
  40         struct rte_crypto_sym_op *sym_op = cop->sym;
  41         struct rte_mbuf *m_src = sym_op->m_src;
  42
  43         /* Prepare CPT instruction */
  44         inst->w4.u64 = sa->inst.w4;
  45         inst->w4.s.dlen = rte_pktmbuf_pkt_len(m_src);
  46         inst->dptr = rte_pktmbuf_iova(m_src);
  47         inst->rptr = inst->dptr;
  48
  49         return 0;
  50 }
  51
  52 #endif /* __CN10K_IPSEC_LA_OPS_H__ */