1 /*
2  * Copyright 2010 Cisco Systems, Inc.  All rights reserved.
3  *
4  * This program is free software; you may redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; version 2 of the License.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
9  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
10  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
11  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
12  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
13  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
14  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
15  * SOFTWARE.
16  *
17  */
18 
19 #ifndef _VNIC_VIC_H_
20 #define _VNIC_VIC_H_
21 
22 /* Note: All integer fields in NETWORK byte order */
23 
24 /* Note: String field lengths include null char */
25 
26 #define VIC_PROVINFO_CISCO_OUI		{ 0x00, 0x00, 0x0c }
27 #define VIC_PROVINFO_GENERIC_TYPE		0x4
28 
29 enum vic_generic_prov_tlv_type {
30 	VIC_GENERIC_PROV_TLV_PORT_PROFILE_NAME_STR = 0,
31 	VIC_GENERIC_PROV_TLV_CLIENT_MAC_ADDR = 1,
32 	VIC_GENERIC_PROV_TLV_CLIENT_NAME_STR = 2,
33 	VIC_GENERIC_PROV_TLV_CLUSTER_PORT_NAME_STR = 3,
34 	VIC_GENERIC_PROV_TLV_CLUSTER_PORT_UUID_STR = 4,
35 	VIC_GENERIC_PROV_TLV_CLUSTER_UUID_STR = 5,
36 	VIC_GENERIC_PROV_TLV_CLUSTER_NAME_STR = 7,
37 	VIC_GENERIC_PROV_TLV_HOST_UUID_STR = 8,
38 	VIC_GENERIC_PROV_TLV_CLIENT_UUID_STR = 9,
39 	VIC_GENERIC_PROV_TLV_INCARNATION_NUMBER = 10,
40 	VIC_GENERIC_PROV_TLV_OS_TYPE = 11,
41 	VIC_GENERIC_PROV_TLV_OS_VENDOR = 12,
42 	VIC_GENERIC_PROV_TLV_CLIENT_TYPE = 15,
43 };
44 
45 enum vic_generic_prov_os_type {
46 	VIC_GENERIC_PROV_OS_TYPE_UNKNOWN = 0,
47 	VIC_GENERIC_PROV_OS_TYPE_ESX = 1,
48 	VIC_GENERIC_PROV_OS_TYPE_LINUX = 2,
49 	VIC_GENERIC_PROV_OS_TYPE_WINDOWS = 3,
50 	VIC_GENERIC_PROV_OS_TYPE_SOLARIS = 4,
51 };
52 
53 struct vic_provinfo {
54 	u8 oui[3];		/* OUI of data provider */
55 	u8 type;		/* provider-specific type */
56 	u32 length;		/* length of data below */
57 	u32 num_tlvs;		/* number of tlvs */
58 	struct vic_provinfo_tlv {
59 		u16 type;
60 		u16 length;
61 		u8 value[0];
62 	} tlv[];
63 } __packed;
64 
65 #define VIC_PROVINFO_ADD_TLV(vp, tlvtype, tlvlen, data) \
66 	do { \
67 		err = vic_provinfo_add_tlv(vp, tlvtype, tlvlen, data); \
68 		if (err) \
69 			goto add_tlv_failure; \
70 	} while (0)
71 
72 #define VIC_PROVINFO_MAX_DATA		1385
73 #define VIC_PROVINFO_MAX_TLV_DATA (VIC_PROVINFO_MAX_DATA - \
74 	sizeof(struct vic_provinfo))
75 
76 struct vic_provinfo *vic_provinfo_alloc(gfp_t flags, const u8 *oui,
77 	const u8 type);
78 void vic_provinfo_free(struct vic_provinfo *vp);
79 int vic_provinfo_add_tlv(struct vic_provinfo *vp, u16 type, u16 length,
80 	const void *value);
81 size_t vic_provinfo_size(struct vic_provinfo *vp);
82 
83 #endif	/* _VNIC_VIC_H_ */
84