crypto/cnxk: add IV in SA in lookaside IPsec debug mode
authorTejasree Kondoj <ktejasree@marvell.com>
Tue, 7 Sep 2021 16:17:41 +0000 (21:47 +0530)
committerAkhil Goyal <gakhil@marvell.com>
Tue, 28 Sep 2021 11:36:07 +0000 (13:36 +0200)
Adding IV in SA in lookaside IPsec debug mode. It helps
to verify lookaside PMD using known outbound vectors in
lookaside autotest.

Signed-off-by: Anoob Joseph <anoobj@marvell.com>
Signed-off-by: Tejasree Kondoj <ktejasree@marvell.com>
Acked-by: Akhil Goyal <gakhil@marvell.com>
drivers/crypto/cnxk/cn10k_ipsec.c
drivers/crypto/cnxk/cn10k_ipsec.h
drivers/crypto/cnxk/cn10k_ipsec_la_ops.h
drivers/crypto/cnxk/cnxk_cryptodev_capabilities.c
drivers/crypto/cnxk/meson.build

index 5c57cf2..ebb2a7e 100644 (file)
@@ -57,6 +57,22 @@ cn10k_ipsec_outb_sa_create(struct roc_cpt *roc_cpt,
 
        sa->inst.w7 = ipsec_cpt_inst_w7_get(roc_cpt, sa);
 
+#ifdef LA_IPSEC_DEBUG
+       /* Use IV from application in debug mode */
+       if (ipsec_xfrm->options.iv_gen_disable == 1) {
+               out_sa->w2.s.iv_src = ROC_IE_OT_SA_IV_SRC_FROM_SA;
+               if (crypto_xfrm->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
+                       sa->iv_offset = crypto_xfrm->aead.iv.offset;
+                       sa->iv_length = crypto_xfrm->aead.iv.length;
+               }
+       }
+#else
+       if (ipsec_xfrm->options.iv_gen_disable != 0) {
+               plt_err("Application provided IV not supported");
+               return -ENOTSUP;
+       }
+#endif
+
        /* Get Rlen calculation data */
        ret = cnxk_ipsec_outb_rlens_get(&rlens, ipsec_xfrm, crypto_xfrm);
        if (ret)
index bc52c60..6f974b7 100644 (file)
@@ -21,6 +21,8 @@ struct cn10k_ipsec_sa {
        /** Pre-populated CPT inst words */
        struct cnxk_cpt_inst_tmpl inst;
        uint16_t max_extended_len;
+       uint16_t iv_offset;
+       uint8_t iv_length;
 };
 
 struct cn10k_sec_session {
index fe91638..862476a 100644 (file)
 #include "cn10k_ipsec.h"
 #include "cnxk_cryptodev.h"
 
+static inline void
+ipsec_po_sa_iv_set(struct cn10k_ipsec_sa *sess, struct rte_crypto_op *cop)
+{
+       uint64_t *iv = &sess->out_sa.iv.u64[0];
+       uint64_t *tmp_iv;
+
+       memcpy(iv, rte_crypto_op_ctod_offset(cop, uint8_t *, sess->iv_offset),
+              16);
+       tmp_iv = (uint64_t *)iv;
+       *tmp_iv = rte_be_to_cpu_64(*tmp_iv);
+
+       tmp_iv = (uint64_t *)(iv + 1);
+       *tmp_iv = rte_be_to_cpu_64(*tmp_iv);
+}
+
+static inline void
+ipsec_po_sa_aes_gcm_iv_set(struct cn10k_ipsec_sa *sess,
+                          struct rte_crypto_op *cop)
+{
+       uint8_t *iv = &sess->out_sa.iv.s.iv_dbg1[0];
+       uint32_t *tmp_iv;
+
+       memcpy(iv, rte_crypto_op_ctod_offset(cop, uint8_t *, sess->iv_offset),
+              4);
+       tmp_iv = (uint32_t *)iv;
+       *tmp_iv = rte_be_to_cpu_32(*tmp_iv);
+
+       iv = &sess->out_sa.iv.s.iv_dbg2[0];
+       memcpy(iv,
+              rte_crypto_op_ctod_offset(cop, uint8_t *, sess->iv_offset + 4),
+              4);
+       tmp_iv = (uint32_t *)iv;
+       *tmp_iv = rte_be_to_cpu_32(*tmp_iv);
+}
+
 static __rte_always_inline int
 process_outb_sa(struct rte_crypto_op *cop, struct cn10k_ipsec_sa *sess,
                struct cpt_inst_s *inst)
@@ -24,6 +59,15 @@ process_outb_sa(struct rte_crypto_op *cop, struct cn10k_ipsec_sa *sess,
                return -ENOMEM;
        }
 
+#ifdef LA_IPSEC_DEBUG
+       if (sess->out_sa.w2.s.iv_src == ROC_IE_OT_SA_IV_SRC_FROM_SA) {
+               if (sess->out_sa.w2.s.enc_type == ROC_IE_OT_SA_ENC_AES_GCM)
+                       ipsec_po_sa_aes_gcm_iv_set(sess, cop);
+               else
+                       ipsec_po_sa_iv_set(sess, cop);
+       }
+#endif
+
        /* Prepare CPT instruction */
        inst->w4.u64 = sess->inst.w4;
        inst->w4.s.dlen = rte_pktmbuf_pkt_len(m_src);
index c4f7824..4b97639 100644 (file)
@@ -807,7 +807,7 @@ static const struct rte_security_capability sec_caps_templ[] = {
                        .proto = RTE_SECURITY_IPSEC_SA_PROTO_ESP,
                        .mode = RTE_SECURITY_IPSEC_SA_MODE_TUNNEL,
                        .direction = RTE_SECURITY_IPSEC_SA_DIR_INGRESS,
-                       .options = { 0 }
+                       .options = { 0 },
                },
                .crypto_capabilities = NULL,
        },
@@ -818,7 +818,7 @@ static const struct rte_security_capability sec_caps_templ[] = {
                        .proto = RTE_SECURITY_IPSEC_SA_PROTO_ESP,
                        .mode = RTE_SECURITY_IPSEC_SA_MODE_TUNNEL,
                        .direction = RTE_SECURITY_IPSEC_SA_DIR_EGRESS,
-                       .options = { 0 }
+                       .options = { 0 },
                },
                .crypto_capabilities = NULL,
        },
@@ -913,6 +913,24 @@ cnxk_sec_caps_update(struct rte_security_capability *sec_cap)
        sec_cap->ipsec.options.udp_encap = 1;
 }
 
+static void
+cn10k_sec_caps_update(struct rte_security_capability *sec_cap)
+{
+       if (sec_cap->ipsec.direction == RTE_SECURITY_IPSEC_SA_DIR_EGRESS) {
+#ifdef LA_IPSEC_DEBUG
+               sec_cap->ipsec.options.iv_gen_disable = 1;
+#endif
+       }
+}
+
+static void
+cn9k_sec_caps_update(struct rte_security_capability *sec_cap)
+{
+       if (sec_cap->ipsec.direction == RTE_SECURITY_IPSEC_SA_DIR_EGRESS) {
+               sec_cap->ipsec.options.iv_gen_disable = 1;
+       }
+}
+
 void
 cnxk_cpt_caps_populate(struct cnxk_cpt_vf *vf)
 {
@@ -928,6 +946,13 @@ cnxk_cpt_caps_populate(struct cnxk_cpt_vf *vf)
                vf->sec_caps[i].crypto_capabilities = vf->sec_crypto_caps;
 
                cnxk_sec_caps_update(&vf->sec_caps[i]);
+
+               if (roc_model_is_cn10k())
+                       cn10k_sec_caps_update(&vf->sec_caps[i]);
+
+               if (roc_model_is_cn9k())
+                       cn9k_sec_caps_update(&vf->sec_caps[i]);
+
        }
 }
 
index e40d132..437d208 100644 (file)
@@ -24,3 +24,9 @@ sources = files(
 deps += ['bus_pci', 'common_cnxk', 'security', 'eventdev']
 
 includes += include_directories('../../../lib/net')
+
+if get_option('buildtype').contains('debug')
+    cflags += [ '-DLA_IPSEC_DEBUG' ]
+else
+    cflags += [ '-ULA_IPSEC_DEBUG' ]
+endif