1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(C) 2021 Marvell.
5 #ifndef __CN10K_IPSEC_LA_OPS_H__
6 #define __CN10K_IPSEC_LA_OPS_H__
8 #include <rte_crypto_sym.h>
9 #include <rte_security.h>
11 #include "cn10k_cryptodev.h"
12 #include "cn10k_ipsec.h"
13 #include "cnxk_cryptodev.h"
16 ipsec_po_sa_iv_set(struct cn10k_ipsec_sa *sess, struct rte_crypto_op *cop)
18 uint64_t *iv = &sess->out_sa.iv.u64[0];
21 memcpy(iv, rte_crypto_op_ctod_offset(cop, uint8_t *, sess->iv_offset),
23 tmp_iv = (uint64_t *)iv;
24 *tmp_iv = rte_be_to_cpu_64(*tmp_iv);
26 tmp_iv = (uint64_t *)(iv + 1);
27 *tmp_iv = rte_be_to_cpu_64(*tmp_iv);
31 ipsec_po_sa_aes_gcm_iv_set(struct cn10k_ipsec_sa *sess,
32 struct rte_crypto_op *cop)
34 uint8_t *iv = &sess->out_sa.iv.s.iv_dbg1[0];
37 memcpy(iv, rte_crypto_op_ctod_offset(cop, uint8_t *, sess->iv_offset),
39 tmp_iv = (uint32_t *)iv;
40 *tmp_iv = rte_be_to_cpu_32(*tmp_iv);
42 iv = &sess->out_sa.iv.s.iv_dbg2[0];
44 rte_crypto_op_ctod_offset(cop, uint8_t *, sess->iv_offset + 4),
46 tmp_iv = (uint32_t *)iv;
47 *tmp_iv = rte_be_to_cpu_32(*tmp_iv);
50 static __rte_always_inline int
51 process_outb_sa(struct roc_cpt_lf *lf, struct rte_crypto_op *cop,
52 struct cn10k_ipsec_sa *sess, struct cpt_inst_s *inst)
54 struct rte_crypto_sym_op *sym_op = cop->sym;
55 struct rte_mbuf *m_src = sym_op->m_src;
56 uint64_t inst_w4_u64 = sess->inst.w4;
59 if (unlikely(rte_pktmbuf_tailroom(m_src) < sess->max_extended_len)) {
60 plt_dp_err("Not enough tail room");
67 if (sess->out_sa.w2.s.iv_src == ROC_IE_OT_SA_IV_SRC_FROM_SA) {
68 if (sess->out_sa.w2.s.enc_type == ROC_IE_OT_SA_ENC_AES_GCM)
69 ipsec_po_sa_aes_gcm_iv_set(sess, cop);
71 ipsec_po_sa_iv_set(sess, cop);
74 /* Trigger CTX reload to fetch new data from DRAM */
75 roc_cpt_lf_ctx_reload(lf, &sess->out_sa);
79 if (m_src->ol_flags & RTE_MBUF_F_TX_IP_CKSUM)
80 inst_w4_u64 &= ~BIT_ULL(33);
82 if (m_src->ol_flags & RTE_MBUF_F_TX_L4_MASK)
83 inst_w4_u64 &= ~BIT_ULL(32);
85 /* Prepare CPT instruction */
86 inst->w4.u64 = inst_w4_u64 | rte_pktmbuf_pkt_len(m_src);
87 dptr = rte_pktmbuf_iova(m_src);
94 static __rte_always_inline int
95 process_inb_sa(struct rte_crypto_op *cop, struct cn10k_ipsec_sa *sa,
96 struct cpt_inst_s *inst)
98 struct rte_crypto_sym_op *sym_op = cop->sym;
99 struct rte_mbuf *m_src = sym_op->m_src;
102 /* Prepare CPT instruction */
103 inst->w4.u64 = sa->inst.w4 | rte_pktmbuf_pkt_len(m_src);
104 dptr = rte_pktmbuf_iova(m_src);
111 #endif /* __CN10K_IPSEC_LA_OPS_H__ */