drivers/net/enic/vnic_vic.h

   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 };
  51
  52 struct vic_provinfo {
  53         u8 oui[3];              /* OUI of data provider */
  54         u8 type;                /* provider-specific type */
  55         u32 length;             /* length of data below */
  56         u32 num_tlvs;           /* number of tlvs */
  57         struct vic_provinfo_tlv {
  58                 u16 type;
  59                 u16 length;
  60                 u8 value[0];
  61         } tlv[0];
  62 } __packed;
  63
  64 #define VIC_PROVINFO_MAX_DATA           1385
  65 #define VIC_PROVINFO_MAX_TLV_DATA (VIC_PROVINFO_MAX_DATA - \
  66         sizeof(struct vic_provinfo))
  67
  68 struct vic_provinfo *vic_provinfo_alloc(gfp_t flags, u8 *oui, u8 type);
  69 void vic_provinfo_free(struct vic_provinfo *vp);
  70 int vic_provinfo_add_tlv(struct vic_provinfo *vp, u16 type, u16 length,
  71         void *value);
  72 size_t vic_provinfo_size(struct vic_provinfo *vp);
  73
  74 #endif  /* _VNIC_VIC_H_ */