[PATCH v6 1/9] net/vmxnet3: add version 5 support

[Pankaj Gupta]

Add VMXNET3 v5 support.

Tested, using testpmd, for different hardware versions on ESXi 7.0
Update 2.

Signed-off-by: Pankaj Gupta <pagupta at vmware.com>
Reviewed-by: Jochen Behrens <jbehrens at vmware.com>
---
 doc/guides/rel_notes/release_21_08.rst | 2 ++
 drivers/net/vmxnet3/vmxnet3_ethdev.c   | 7 +++++--
 drivers/net/vmxnet3/vmxnet3_ethdev.h   | 2 ++
 3 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/doc/guides/rel_notes/release_21_08.rst b/doc/guides/rel_notes/release_21_08.rst
index ac1c081903..cc472d7a05 100644
--- a/doc/guides/rel_notes/release_21_08.rst
+++ b/doc/guides/rel_notes/release_21_08.rst
@@ -129,6 +129,8 @@ New Features
   Updated testpmd application to output log errors and warnings to stderr
   instead of stdout.
 
+* **Added vmxnet3 version 5 support.**
+
 
 API Changes
 -----------
diff --git a/drivers/net/vmxnet3/vmxnet3_ethdev.c b/drivers/net/vmxnet3/vmxnet3_ethdev.c
index d1ef1cad08..a7e1e5fef5 100644
--- a/drivers/net/vmxnet3/vmxnet3_ethdev.c
+++ b/drivers/net/vmxnet3/vmxnet3_ethdev.c
@@ -316,9 +316,12 @@ eth_vmxnet3_dev_init(struct rte_eth_dev *eth_dev)
 
 	/* Check h/w version compatibility with driver. */
 	ver = VMXNET3_READ_BAR1_REG(hw, VMXNET3_REG_VRRS);
-	PMD_INIT_LOG(DEBUG, "Hardware version : %d", ver);
 
-	if (ver & (1 << VMXNET3_REV_4)) {
+	if (ver & (1 << VMXNET3_REV_5)) {
+		VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_VRRS,
+				       1 << VMXNET3_REV_5);
+		hw->version = VMXNET3_REV_5 + 1;
+	} else if (ver & (1 << VMXNET3_REV_4)) {
 		VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_VRRS,
 				       1 << VMXNET3_REV_4);
 		hw->version = VMXNET3_REV_4 + 1;
diff --git a/drivers/net/vmxnet3/vmxnet3_ethdev.h b/drivers/net/vmxnet3/vmxnet3_ethdev.h
index ef858ac951..7ec3b2e1f0 100644
--- a/drivers/net/vmxnet3/vmxnet3_ethdev.h
+++ b/drivers/net/vmxnet3/vmxnet3_ethdev.h
@@ -124,11 +124,13 @@ struct vmxnet3_hw {
 	UPT1_RxStats          snapshot_rx_stats[VMXNET3_MAX_RX_QUEUES];
 };
 
+#define VMXNET3_REV_5		4		/* Vmxnet3 Rev. 5 */
 #define VMXNET3_REV_4		3		/* Vmxnet3 Rev. 4 */
 #define VMXNET3_REV_3		2		/* Vmxnet3 Rev. 3 */
 #define VMXNET3_REV_2		1		/* Vmxnet3 Rev. 2 */
 #define VMXNET3_REV_1		0		/* Vmxnet3 Rev. 1 */
 
+#define VMXNET3_VERSION_GE_5(hw) ((hw)->version >= VMXNET3_REV_5 + 1)
 #define VMXNET3_VERSION_GE_4(hw) ((hw)->version >= VMXNET3_REV_4 + 1)
 #define VMXNET3_VERSION_GE_3(hw) ((hw)->version >= VMXNET3_REV_3 + 1)
 #define VMXNET3_VERSION_GE_2(hw) ((hw)->version >= VMXNET3_REV_2 + 1)
-- 
2.17.1