From: Tejasree Kondoj <ktejasree@marvell.com>
Date: Fri, 31 Jul 2020 13:51:53 +0000 (+0530)
Subject: crypto/octeontx2: check cpt kernel driver version
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=880bc71de1c02fb2248adeb5d94a31819c280b44;p=dpdk.git

crypto/octeontx2: check cpt kernel driver version

This patch checks if cpt pmd is compatible with kernel
cpt driver.

Signed-off-by: Ankur Dwivedi <adwivedi@marvell.com>
Signed-off-by: Tejasree Kondoj <ktejasree@marvell.com>
Acked-by: Anoob Joseph <anoobj@marvell.com>
---

diff --git a/drivers/crypto/octeontx2/otx2_cryptodev.h b/drivers/crypto/octeontx2/otx2_cryptodev.h
index a00f3d696e..fba7222108 100644
--- a/drivers/crypto/octeontx2/otx2_cryptodev.h
+++ b/drivers/crypto/octeontx2/otx2_cryptodev.h
@@ -15,6 +15,7 @@
 
 #define OTX2_CPT_MAX_LFS		64
 #define OTX2_CPT_MAX_QUEUES_PER_VF	64
+#define OTX2_CPT_PMD_VERSION		3
 
 /**
  * Device private data
diff --git a/drivers/crypto/octeontx2/otx2_cryptodev_mbox.c b/drivers/crypto/octeontx2/otx2_cryptodev_mbox.c
index 6028439de3..75e610db5c 100644
--- a/drivers/crypto/octeontx2/otx2_cryptodev_mbox.c
+++ b/drivers/crypto/octeontx2/otx2_cryptodev_mbox.c
@@ -29,6 +29,13 @@ otx2_cpt_hardware_caps_get(const struct rte_cryptodev *dev,
 	if (ret)
 		return -EIO;
 
+	if (rsp->cpt_pf_drv_version != OTX2_CPT_PMD_VERSION) {
+		otx2_err("Incompatible CPT PMD version"
+			 "(Kernel: 0x%04x DPDK: 0x%04x)",
+			  rsp->cpt_pf_drv_version, OTX2_CPT_PMD_VERSION);
+		return -EPIPE;
+	}
+
 	memcpy(hw_caps, rsp->eng_caps,
 		sizeof(union cpt_eng_caps) * CPT_MAX_ENG_TYPES);