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_LINUX_TYPE         0x2
  28
  29 enum vic_linux_prov_tlv_type {
  30         VIC_LINUX_PROV_TLV_PORT_PROFILE_NAME_STR = 0,
  31         VIC_LINUX_PROV_TLV_CLIENT_MAC_ADDR = 1,                 /* u8[6] */
  32         VIC_LINUX_PROV_TLV_CLIENT_NAME_STR = 2,
  33         VIC_LINUX_PROV_TLV_HOST_UUID_STR = 8,
  34         VIC_LINUX_PROV_TLV_CLIENT_UUID_STR = 9,
  35 };
  36
  37 struct vic_provinfo {
  38         u8 oui[3];              /* OUI of data provider */
  39         u8 type;                /* provider-specific type */
  40         u32 length;             /* length of data below */
  41         u32 num_tlvs;           /* number of tlvs */
  42         struct vic_provinfo_tlv {
  43                 u16 type;
  44                 u16 length;
  45                 u8 value[0];
  46         } tlv[0];
  47 } __attribute__ ((packed));
  48
  49 #define VIC_PROVINFO_MAX_DATA           1385
  50 #define VIC_PROVINFO_MAX_TLV_DATA (VIC_PROVINFO_MAX_DATA - \
  51         sizeof(struct vic_provinfo))
  52
  53 struct vic_provinfo *vic_provinfo_alloc(gfp_t flags, u8 *oui, u8 type);
  54 void vic_provinfo_free(struct vic_provinfo *vp);
  55 int vic_provinfo_add_tlv(struct vic_provinfo *vp, u16 type, u16 length,
  56         void *value);
  57 size_t vic_provinfo_size(struct vic_provinfo *vp);
  58
  59 #endif  /* _VNIC_VIC_H_ */