[dpdk-dev] [PATCH 5/8] crypto/cnxk: add cn9k IPsec inbound session create function

[Archana Muniganti <marchana@marvell.com>]

Adding logic for IPsec inbound session creation.

Signed-off-by: Ankur Dwivedi <adwivedi@marvell.com>
Signed-off-by: Archana Muniganti <marchana@marvell.com>
Signed-off-by: Tejasree Kondoj <ktejasree@marvell.com>
Signed-off-by: Vamsi Attunuru <vattunuru@marvell.com>
---
 drivers/crypto/cnxk/cn9k_ipsec.c | 64 +++++++++++++++++++++++++++++---
 1 file changed, 59 insertions(+), 5 deletions(-)

diff --git a/drivers/crypto/cnxk/cn9k_ipsec.c b/drivers/crypto/cnxk/cn9k_ipsec.c
index 52fbc5e350..76d81e83a5 100644
--- a/drivers/crypto/cnxk/cn9k_ipsec.c
+++ b/drivers/crypto/cnxk/cn9k_ipsec.c
@@ -422,12 +422,66 @@ cn9k_ipsec_inb_sa_create(struct cnxk_cpt_qp *qp,
 			 struct rte_crypto_sym_xform *crypto_xform,
 			 struct rte_security_session *sec_sess)
 {
-	RTE_SET_USED(qp);
-	RTE_SET_USED(ipsec);
-	RTE_SET_USED(crypto_xform);
-	RTE_SET_USED(sec_sess);
+	struct rte_crypto_sym_xform *auth_xform = crypto_xform;
+	struct cnxk_cpt_inst_tmpl *inst_tmpl;
+	struct roc_ie_on_inb_sa *in_sa;
+	struct cn9k_sec_session *sess;
+	struct cn9k_ipsec_sa *sa;
+	const uint8_t *auth_key;
+	union cpt_inst_w4 w4;
+	union cpt_inst_w7 w7;
+	int auth_key_len = 0;
+	size_t ctx_len = 0;
+	int ret;
 
-	return 0;
+	sess = get_sec_session_private_data(sec_sess);
+	sa = &sess->sa;
+	in_sa = &sa->in_sa;
+
+	memset(sa, 0, sizeof(struct cn9k_ipsec_sa));
+
+	sa->dir = RTE_SECURITY_IPSEC_SA_DIR_INGRESS;
+
+	ret = fill_ipsec_common_sa(ipsec, crypto_xform, &in_sa->common_sa);
+	if (ret)
+		return ret;
+
+	if (crypto_xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
+		ctx_len = offsetof(struct roc_ie_on_inb_sa,
+				   sha1_or_gcm.hmac_key[0]);
+	} else {
+		auth_key = auth_xform->auth.key.data;
+		auth_key_len = auth_xform->auth.key.length;
+
+		if (auth_xform->auth.algo == RTE_CRYPTO_AUTH_SHA1_HMAC) {
+			memcpy(in_sa->sha1_or_gcm.hmac_key, auth_key,
+			       auth_key_len);
+			ctx_len = offsetof(struct roc_ie_on_inb_sa,
+					   sha1_or_gcm.selector);
+		} else if (auth_xform->auth.algo ==
+			   RTE_CRYPTO_AUTH_SHA256_HMAC) {
+			memcpy(in_sa->sha2.hmac_key, auth_key, auth_key_len);
+			ctx_len = offsetof(struct roc_ie_on_inb_sa,
+					   sha2.selector);
+		}
+	}
+
+	inst_tmpl = &sa->inst;
+
+	w4.u64 = 0;
+	w4.s.opcode_major = ROC_IE_ON_MAJOR_OP_PROCESS_INBOUND_IPSEC;
+	w4.s.opcode_minor = ctx_len >> 3;
+	inst_tmpl->w4 = w4.u64;
+
+	w7.u64 = 0;
+	w7.s.egrp = ROC_CPT_DFLT_ENG_GRP_SE;
+	w7.s.cptr = rte_mempool_virt2iova(in_sa);
+	inst_tmpl->w7 = w7.u64;
+
+	ret = cn9k_cpt_enq_sa_write(
+		sa, qp, ROC_IE_ON_MAJOR_OP_WRITE_IPSEC_INBOUND, ctx_len);
+
+	return ret;
 }
 
 static inline int
-- 
2.22.0