1 /*
2  * Linux driver for VMware's vmxnet3 ethernet NIC.
3  *
4  * Copyright (C) 2008-2022, VMware, Inc. All Rights Reserved.
5  *
6  * This program is free software; you can redistribute it and/or modify it
7  * under the terms of the GNU General Public License as published by the
8  * Free Software Foundation; version 2 of the License and no later version.
9  *
10  * This program is distributed in the hope that it will be useful, but
11  * WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
13  * NON INFRINGEMENT.  See the GNU General Public License for more
14  * details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19  *
20  * The full GNU General Public License is included in this distribution in
21  * the file called "COPYING".
22  *
23  * Maintained by: pv-drivers@vmware.com
24  *
25  */
26 
27 #ifndef _UPT1_DEFS_H
28 #define _UPT1_DEFS_H
29 
30 struct UPT1_TxStats {
31 	u64			TSOPktsTxOK;  /* TSO pkts post-segmentation */
32 	u64			TSOBytesTxOK;
33 	u64			ucastPktsTxOK;
34 	u64			ucastBytesTxOK;
35 	u64			mcastPktsTxOK;
36 	u64			mcastBytesTxOK;
37 	u64			bcastPktsTxOK;
38 	u64			bcastBytesTxOK;
39 	u64			pktsTxError;
40 	u64			pktsTxDiscard;
41 };
42 
43 struct UPT1_RxStats {
44 	u64			LROPktsRxOK;    /* LRO pkts */
45 	u64			LROBytesRxOK;   /* bytes from LRO pkts */
46 	/* the following counters are for pkts from the wire, i.e., pre-LRO */
47 	u64			ucastPktsRxOK;
48 	u64			ucastBytesRxOK;
49 	u64			mcastPktsRxOK;
50 	u64			mcastBytesRxOK;
51 	u64			bcastPktsRxOK;
52 	u64			bcastBytesRxOK;
53 	u64			pktsRxOutOfBuf;
54 	u64			pktsRxError;
55 };
56 
57 /* interrupt moderation level */
58 enum {
59 	UPT1_IML_NONE		= 0, /* no interrupt moderation */
60 	UPT1_IML_HIGHEST	= 7, /* least intr generated */
61 	UPT1_IML_ADAPTIVE	= 8, /* adpative intr moderation */
62 };
63 /* values for UPT1_RSSConf.hashFunc */
64 enum {
65 	UPT1_RSS_HASH_TYPE_NONE      = 0x0,
66 	UPT1_RSS_HASH_TYPE_IPV4      = 0x01,
67 	UPT1_RSS_HASH_TYPE_TCP_IPV4  = 0x02,
68 	UPT1_RSS_HASH_TYPE_IPV6      = 0x04,
69 	UPT1_RSS_HASH_TYPE_TCP_IPV6  = 0x08,
70 };
71 
72 enum {
73 	UPT1_RSS_HASH_FUNC_NONE      = 0x0,
74 	UPT1_RSS_HASH_FUNC_TOEPLITZ  = 0x01,
75 };
76 
77 #define UPT1_RSS_MAX_KEY_SIZE        40
78 #define UPT1_RSS_MAX_IND_TABLE_SIZE  128
79 
80 struct UPT1_RSSConf {
81 	u16			hashType;
82 	u16			hashFunc;
83 	u16			hashKeySize;
84 	u16			indTableSize;
85 	u8			hashKey[UPT1_RSS_MAX_KEY_SIZE];
86 	u8			indTable[UPT1_RSS_MAX_IND_TABLE_SIZE];
87 };
88 
89 /* features */
90 enum {
91 	UPT1_F_RXCSUM		= cpu_to_le64(0x0001),   /* rx csum verification */
92 	UPT1_F_RSS		= cpu_to_le64(0x0002),
93 	UPT1_F_RXVLAN		= cpu_to_le64(0x0004),   /* VLAN tag stripping */
94 	UPT1_F_LRO		= cpu_to_le64(0x0008),
95 	UPT1_F_RXINNEROFLD      = cpu_to_le64(0x00010),  /* Geneve/Vxlan rx csum
96 							  * offloading
97 							  */
98 };
99 #endif
100