net: VMware virtual Ethernet NIC driver: vmxnet3

Ethernet NIC driver for VMware's vmxnet3

From: Shreyas Bhatewara <sbhatewara@vmware.com>

This patch adds driver support for VMware's virtual Ethernet NIC: vmxnet3
Guests running on VMware hypervisors supporting vmxnet3 device will thus have
access to improved network functionalities and performance.

Signed-off-by: Shreyas Bhatewara <sbhatewara@vmware.com>
Signed-off-by: Bhavesh Davda <bhavesh@vmware.com>
Signed-off-by: Ronghua Zhang <ronghua@vmware.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 96 insertions, 0 deletions

diff --git a/drivers/net/vmxnet3/upt1_defs.h b/drivers/net/vmxnet3/upt1_defs.h
new file mode 100644
index 000000000000..37108fb226d3
--- /dev/null
+++ b/drivers/net/vmxnet3/upt1_defs.h
@@ -0,0 +1,96 @@
+/*
+ * Linux driver for VMware's vmxnet3 ethernet NIC.
+ *
+ * Copyright (C) 2008-2009, 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
+ * Free Software Foundation; version 2 of the License and no later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * The full GNU General Public License is included in this distribution in
+ * the file called "COPYING".
+ *
+ * Maintained by: Shreyas Bhatewara <pv-drivers@vmware.com>
+ *
+ */
+
+#ifndef _UPT1_DEFS_H
+#define _UPT1_DEFS_H
+
+struct UPT1_TxStats {
+        u64                     TSOPktsTxOK;  /* TSO pkts post-segmentation */
+        u64                     TSOBytesTxOK;
+        u64                     ucastPktsTxOK;
+        u64                     ucastBytesTxOK;
+        u64                     mcastPktsTxOK;
+        u64                     mcastBytesTxOK;
+        u64                     bcastPktsTxOK;
+        u64                     bcastBytesTxOK;
+        u64                     pktsTxError;
+        u64                     pktsTxDiscard;
+};
+
+struct UPT1_RxStats {
+        u64                     LROPktsRxOK;    /* LRO pkts */
+        u64                     LROBytesRxOK;   /* bytes from LRO pkts */
+        /* the following counters are for pkts from the wire, i.e., pre-LRO */
+        u64                     ucastPktsRxOK;
+        u64                     ucastBytesRxOK;
+        u64                     mcastPktsRxOK;
+        u64                     mcastBytesRxOK;
+        u64                     bcastPktsRxOK;
+        u64                     bcastBytesRxOK;
+        u64                     pktsRxOutOfBuf;
+        u64                     pktsRxError;
+};
+
+/* interrupt moderation level */
+enum {
+        UPT1_IML_NONE           = 0, /* no interrupt moderation */
+        UPT1_IML_HIGHEST        = 7, /* least intr generated */
+        UPT1_IML_ADAPTIVE       = 8, /* adpative intr moderation */
+};
+/* values for UPT1_RSSConf.hashFunc */
+enum {
+        UPT1_RSS_HASH_TYPE_NONE      = 0x0,
+        UPT1_RSS_HASH_TYPE_IPV4      = 0x01,
+        UPT1_RSS_HASH_TYPE_TCP_IPV4  = 0x02,
+        UPT1_RSS_HASH_TYPE_IPV6      = 0x04,
+        UPT1_RSS_HASH_TYPE_TCP_IPV6  = 0x08,
+};
+
+enum {
+        UPT1_RSS_HASH_FUNC_NONE      = 0x0,
+        UPT1_RSS_HASH_FUNC_TOEPLITZ  = 0x01,
+};
+
+#define UPT1_RSS_MAX_KEY_SIZE        40
+#define UPT1_RSS_MAX_IND_TABLE_SIZE  128
+
+struct UPT1_RSSConf {
+        u16                     hashType;
+        u16                     hashFunc;
+        u16                     hashKeySize;
+        u16                     indTableSize;
+        u8                      hashKey[UPT1_RSS_MAX_KEY_SIZE];
+        u8                      indTable[UPT1_RSS_MAX_IND_TABLE_SIZE];
+};
+
+/* features */
+enum {
+        UPT1_F_RXCSUM           = 0x0001,   /* rx csum verification */
+        UPT1_F_RSS              = 0x0002,
+        UPT1_F_RXVLAN           = 0x0004,   /* VLAN tag stripping */
+        UPT1_F_LRO              = 0x0008,
+};
+#endif