vmxnet3: prepare for version 3 changes

vmxnet3 is currently at version 2, but some command definitions from
previous vmxnet3 versions are missing. Add those definitions before
moving to version 3.

Also, introduce utility macros for vmxnet3 version comparison and update
Copyright information and Maintained by.

Signed-off-by: Shrikrishna Khare <skhare@vmware.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

6 files changed, 36 insertions, 20 deletions

diff --git a/drivers/net/vmxnet3/Makefile b/drivers/net/vmxnet3/Makefile
index 880f5098eac9..8cdbb63d1bb0 100644
--- a/drivers/net/vmxnet3/Makefile
+++ b/drivers/net/vmxnet3/Makefile
@@ -2,7 +2,7 @@
 #
 # Linux driver for VMware's vmxnet3 ethernet NIC.
 #
-# Copyright (C) 2007-2009, VMware, Inc. All Rights Reserved.
+# Copyright (C) 2007-2016, VMware, Inc. All Rights Reserved.
 #
 # This program is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by the
@@ -21,7 +21,7 @@
 # The full GNU General Public License is included in this distribution in
 # the file called "COPYING".
 #
-# Maintained by: Shreyas Bhatewara <pv-drivers@vmware.com>
+# Maintained by: pv-drivers@vmware.com
 #
 #
 ################################################################################
diff --git a/drivers/net/vmxnet3/upt1_defs.h b/drivers/net/vmxnet3/upt1_defs.h
index 969c751ee404..db9f1fde3aac 100644
--- a/drivers/net/vmxnet3/upt1_defs.h
+++ b/drivers/net/vmxnet3/upt1_defs.h
@@ -1,7 +1,7 @@
 /*
  * Linux driver for VMware's vmxnet3 ethernet NIC.
  *
- * Copyright (C) 2008-2009, VMware, Inc. All Rights Reserved.
+ * Copyright (C) 2008-2016, VMware, Inc. All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the
@@ -20,7 +20,7 @@
  * The full GNU General Public License is included in this distribution in
  * the file called "COPYING".
  *
- * Maintained by: Shreyas Bhatewara <pv-drivers@vmware.com>
+ * Maintained by: pv-drivers@vmware.com
  *
  */
 
diff --git a/drivers/net/vmxnet3/vmxnet3_defs.h b/drivers/net/vmxnet3/vmxnet3_defs.h
index 72ba8ae7f09a..8345e0c4fec4 100644
--- a/drivers/net/vmxnet3/vmxnet3_defs.h
+++ b/drivers/net/vmxnet3/vmxnet3_defs.h
@@ -1,7 +1,7 @@
 /*
  * Linux driver for VMware's vmxnet3 ethernet NIC.
  *
- * Copyright (C) 2008-2015, VMware, Inc. All Rights Reserved.
+ * Copyright (C) 2008-2016, VMware, Inc. All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the
@@ -20,7 +20,7 @@
  * The full GNU General Public License is included in this distribution in
  * the file called "COPYING".
  *
- * Maintained by: Shreyas Bhatewara <pv-drivers@vmware.com>
+ * Maintained by: pv-drivers@vmware.com
  *
  */
 
@@ -76,7 +76,9 @@ enum {
         VMXNET3_CMD_UPDATE_IML,
         VMXNET3_CMD_UPDATE_PMCFG,
         VMXNET3_CMD_UPDATE_FEATURE,
+        VMXNET3_CMD_RESERVED1,
         VMXNET3_CMD_LOAD_PLUGIN,
+        VMXNET3_CMD_RESERVED2,
 
         VMXNET3_CMD_FIRST_GET = 0xF00D0000,
         VMXNET3_CMD_GET_QUEUE_STATUS = VMXNET3_CMD_FIRST_GET,
@@ -87,7 +89,8 @@ enum {
         VMXNET3_CMD_GET_DID_LO,
         VMXNET3_CMD_GET_DID_HI,
         VMXNET3_CMD_GET_DEV_EXTRA_INFO,
-        VMXNET3_CMD_GET_CONF_INTR
+        VMXNET3_CMD_GET_CONF_INTR,
+        VMXNET3_CMD_GET_RESERVED1,
 };
 
 /*
diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c
index 08885bc8d6db..507c53d4e09c 100644
--- a/drivers/net/vmxnet3/vmxnet3_drv.c
+++ b/drivers/net/vmxnet3/vmxnet3_drv.c
@@ -1,7 +1,7 @@
 /*
  * Linux driver for VMware's vmxnet3 ethernet NIC.
  *
- * Copyright (C) 2008-2009, VMware, Inc. All Rights Reserved.
+ * Copyright (C) 2008-2016, VMware, Inc. All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the
@@ -20,7 +20,7 @@
  * The full GNU General Public License is included in this distribution in
  * the file called "COPYING".
  *
- * Maintained by: Shreyas Bhatewara <pv-drivers@vmware.com>
+ * Maintained by: pv-drivers@vmware.com
  *
  */
 
@@ -1363,7 +1363,7 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq,
                         rbi->dma_addr = new_dma_addr;
                         rxd->addr = cpu_to_le64(rbi->dma_addr);
                         rxd->len = rbi->len;
-                        if (adapter->version == 2 &&
+                        if (VMXNET3_VERSION_GE_2(adapter) &&
                             rcd->type == VMXNET3_CDTYPE_RXCOMP_LRO) {
                                 struct Vmxnet3_RxCompDescExt *rcdlro;
                                 rcdlro = (struct Vmxnet3_RxCompDescExt *)rcd;
@@ -3200,12 +3200,16 @@ vmxnet3_probe_device(struct pci_dev *pdev,
                 goto err_alloc_pci;
 
         ver = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_VRRS);
-        if (ver & 2) {
-                VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_VRRS, 2);
-                adapter->version = 2;
-        } else if (ver & 1) {
-                VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_VRRS, 1);
-                adapter->version = 1;
+        if (ver & (1 << VMXNET3_REV_2)) {
+                VMXNET3_WRITE_BAR1_REG(adapter,
+                                       VMXNET3_REG_VRRS,
+                                       1 << VMXNET3_REV_2);
+                adapter->version = VMXNET3_REV_2 + 1;
+        } else if (ver & (1 << VMXNET3_REV_1)) {
+                VMXNET3_WRITE_BAR1_REG(adapter,
+                                       VMXNET3_REG_VRRS,
+                                       1 << VMXNET3_REV_1);
+                adapter->version = VMXNET3_REV_1 + 1;
         } else {
                 dev_err(&pdev->dev,
                         "Incompatible h/w version (0x%x) for adapter\n", ver);
diff --git a/drivers/net/vmxnet3/vmxnet3_ethtool.c b/drivers/net/vmxnet3/vmxnet3_ethtool.c
index 9ba11d737753..163e99c91023 100644
--- a/drivers/net/vmxnet3/vmxnet3_ethtool.c
+++ b/drivers/net/vmxnet3/vmxnet3_ethtool.c
@@ -1,7 +1,7 @@
 /*
  * Linux driver for VMware's vmxnet3 ethernet NIC.
  *
- * Copyright (C) 2008-2009, VMware, Inc. All Rights Reserved.
+ * Copyright (C) 2008-2016, VMware, Inc. All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the
@@ -20,7 +20,7 @@
  * The full GNU General Public License is included in this distribution in
  * the file called "COPYING".
  *
- * Maintained by: Shreyas Bhatewara <pv-drivers@vmware.com>
+ * Maintained by: pv-drivers@vmware.com
  *
  */
 
diff --git a/drivers/net/vmxnet3/vmxnet3_int.h b/drivers/net/vmxnet3/vmxnet3_int.h
index 3d2b64e63408..de068e92cedb 100644
--- a/drivers/net/vmxnet3/vmxnet3_int.h
+++ b/drivers/net/vmxnet3/vmxnet3_int.h
@@ -1,7 +1,7 @@
 /*
  * Linux driver for VMware's vmxnet3 ethernet NIC.
  *
- * Copyright (C) 2008-2009, VMware, Inc. All Rights Reserved.
+ * Copyright (C) 2008-2016, VMware, Inc. All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the
@@ -20,7 +20,7 @@
  * The full GNU General Public License is included in this distribution in
  * the file called "COPYING".
  *
- * Maintained by: Shreyas Bhatewara <pv-drivers@vmware.com>
+ * Maintained by: pv-drivers@vmware.com
  *
  */
 
@@ -79,6 +79,10 @@
         #define VMXNET3_RSS
 #endif
 
+#define VMXNET3_REV_3           2       /* Vmxnet3 Rev. 3 */
+#define VMXNET3_REV_2           1       /* Vmxnet3 Rev. 2 */
+#define VMXNET3_REV_1           0       /* Vmxnet3 Rev. 1 */
+
 /*
  * Capabilities
  */
@@ -387,6 +391,11 @@ struct vmxnet3_adapter {
 #define VMXNET3_GET_ADDR_LO(dma)   ((u32)(dma))
 #define VMXNET3_GET_ADDR_HI(dma)   ((u32)(((u64)(dma)) >> 32))
 
+#define VMXNET3_VERSION_GE_2(adapter) \
+        (adapter->version >= VMXNET3_REV_2 + 1)
+#define VMXNET3_VERSION_GE_3(adapter) \
+        (adapter->version >= VMXNET3_REV_3 + 1)
+
 /* must be a multiple of VMXNET3_RING_SIZE_ALIGN */
 #define VMXNET3_DEF_TX_RING_SIZE    512
 #define VMXNET3_DEF_RX_RING_SIZE    256