Adding support for cn10k lookaside IPsec transport mode.

Signed-off-by: Tejasree Kondoj <ktejas...@marvell.com>
---
 doc/guides/cryptodevs/cnxk.rst                |  1 +
 doc/guides/rel_notes/release_21_11.rst        |  1 +
 drivers/crypto/cnxk/cnxk_cryptodev.h          |  2 +-
 .../crypto/cnxk/cnxk_cryptodev_capabilities.c | 22 +++++++++++++++++++
 drivers/crypto/cnxk/cnxk_ipsec.h              |  3 ++-
 5 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/doc/guides/cryptodevs/cnxk.rst b/doc/guides/cryptodevs/cnxk.rst
index a40295c087..0dd71135da 100644
--- a/doc/guides/cryptodevs/cnxk.rst
+++ b/doc/guides/cryptodevs/cnxk.rst
@@ -230,6 +230,7 @@ Features supported
 * IPv4
 * ESP
 * Tunnel mode
+* Transport mode
 * AES-128/192/256-GCM
 * AES-128/192/256-CBC-SHA1-HMAC
 
diff --git a/doc/guides/rel_notes/release_21_11.rst 
b/doc/guides/rel_notes/release_21_11.rst
index 130d676a11..0a024dda8f 100644
--- a/doc/guides/rel_notes/release_21_11.rst
+++ b/doc/guides/rel_notes/release_21_11.rst
@@ -58,6 +58,7 @@ New Features
 * **Updated Marvell cn10k_crypto PMD.**
 
   * Added aes-cbc sha1-hmac in lookaside protocol (IPsec).
+  * Added transport mode in lookaside protocol (IPsec).
 
 
 Removed Items
diff --git a/drivers/crypto/cnxk/cnxk_cryptodev.h 
b/drivers/crypto/cnxk/cnxk_cryptodev.h
index b3856f7eaa..8e051fa0fa 100644
--- a/drivers/crypto/cnxk/cnxk_cryptodev.h
+++ b/drivers/crypto/cnxk/cnxk_cryptodev.h
@@ -12,7 +12,7 @@
 
 #define CNXK_CPT_MAX_CAPS       34
 #define CNXK_SEC_CRYPTO_MAX_CAPS 4
-#define CNXK_SEC_MAX_CAPS       3
+#define CNXK_SEC_MAX_CAPS       5
 #define CNXK_AE_EC_ID_MAX       8
 /**
  * Device private data
diff --git a/drivers/crypto/cnxk/cnxk_cryptodev_capabilities.c 
b/drivers/crypto/cnxk/cnxk_cryptodev_capabilities.c
index 9430ca5d00..05bffa9759 100644
--- a/drivers/crypto/cnxk/cnxk_cryptodev_capabilities.c
+++ b/drivers/crypto/cnxk/cnxk_cryptodev_capabilities.c
@@ -822,6 +822,28 @@ static const struct rte_security_capability 
sec_caps_templ[] = {
                },
                .crypto_capabilities = NULL,
        },
+       {       /* IPsec Lookaside Protocol ESP Transport Ingress */
+               .action = RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL,
+               .protocol = RTE_SECURITY_PROTOCOL_IPSEC,
+               .ipsec = {
+                       .proto = RTE_SECURITY_IPSEC_SA_PROTO_ESP,
+                       .mode = RTE_SECURITY_IPSEC_SA_MODE_TRANSPORT,
+                       .direction = RTE_SECURITY_IPSEC_SA_DIR_INGRESS,
+                       .options = { 0 },
+               },
+               .crypto_capabilities = NULL,
+       },
+       {       /* IPsec Lookaside Protocol ESP Transport Egress */
+               .action = RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL,
+               .protocol = RTE_SECURITY_PROTOCOL_IPSEC,
+               .ipsec = {
+                       .proto = RTE_SECURITY_IPSEC_SA_PROTO_ESP,
+                       .mode = RTE_SECURITY_IPSEC_SA_MODE_TRANSPORT,
+                       .direction = RTE_SECURITY_IPSEC_SA_DIR_EGRESS,
+                       .options = { 0 },
+               },
+               .crypto_capabilities = NULL,
+       },
        {
                .action = RTE_SECURITY_ACTION_TYPE_NONE
        }
diff --git a/drivers/crypto/cnxk/cnxk_ipsec.h b/drivers/crypto/cnxk/cnxk_ipsec.h
index d1eb74ebbe..ff396179ca 100644
--- a/drivers/crypto/cnxk/cnxk_ipsec.h
+++ b/drivers/crypto/cnxk/cnxk_ipsec.h
@@ -98,7 +98,8 @@ cnxk_ipsec_xform_verify(struct rte_security_ipsec_xform 
*ipsec_xform,
            (ipsec_xform->mode != RTE_SECURITY_IPSEC_SA_MODE_TUNNEL))
                return -EINVAL;
 
-       if ((ipsec_xform->tunnel.type != RTE_SECURITY_IPSEC_TUNNEL_IPV4) &&
+       if ((ipsec_xform->mode == RTE_SECURITY_IPSEC_SA_MODE_TUNNEL) &&
+           (ipsec_xform->tunnel.type != RTE_SECURITY_IPSEC_TUNNEL_IPV4) &&
            (ipsec_xform->tunnel.type != RTE_SECURITY_IPSEC_TUNNEL_IPV6))
                return -EINVAL;
 
-- 
2.27.0

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