LXR linux-bk/include/linux/atmbr2684.h

   1#ifndef _LINUX_ATMBR2684_H
   2#define _LINUX_ATMBR2684_H
   3
   4#include <linux/atm.h>
   5#include <linux/if.h>           /* For IFNAMSIZ */
   6
   7/*
   8 * Type of media we're bridging (ethernet, token ring, etc)  Currently only
   9 * ethernet is supported
  10 */
  11#define BR2684_MEDIA_ETHERNET   (0)     /* 802.3 */
  12#define BR2684_MEDIA_802_4      (1)     /* 802.4 */
  13#define BR2684_MEDIA_TR         (2)     /* 802.5 - token ring */
  14#define BR2684_MEDIA_FDDI       (3)
  15#define BR2684_MEDIA_802_6      (4)     /* 802.6 */
  16
  17/*
  18 * Is there FCS inbound on this VC?  This currently isn't supported.
  19 */
  20#define BR2684_FCSIN_NO         (0)
  21#define BR2684_FCSIN_IGNORE     (1)
  22#define BR2684_FCSIN_VERIFY     (2)
  23
  24/*
  25 * Is there FCS outbound on this VC?  This currently isn't supported.
  26 */
  27#define BR2684_FCSOUT_NO        (0)
  28#define BR2684_FCSOUT_SENDZERO  (1)
  29#define BR2684_FCSOUT_GENERATE  (2)
  30
  31/*
  32 * Does this VC include LLC encapsulation?
  33 */
  34#define BR2684_ENCAPS_VC        (0)     /* VC-mux */
  35#define BR2684_ENCAPS_LLC       (1)
  36#define BR2684_ENCAPS_AUTODETECT (2)    /* Unsuported */
  37
  38/*
  39 * This is for the ATM_NEWBACKENDIF call - these are like socket families:
  40 * the first element of the structure is the backend number and the rest
  41 * is per-backend specific
  42 */
  43struct atm_newif_br2684 {
  44        atm_backend_t   backend_num;    /* ATM_BACKEND_BR2684 */
  45        int             media;          /* BR2684_MEDIA_* */
  46        char            ifname[IFNAMSIZ];
  47        int             mtu;
  48};
  49
  50/*
  51 * This structure is used to specify a br2684 interface - either by a
  52 * positive integer (returned by ATM_NEWBACKENDIF) or the interfaces name
  53 */
  54#define BR2684_FIND_BYNOTHING   (0)
  55#define BR2684_FIND_BYNUM       (1)
  56#define BR2684_FIND_BYIFNAME    (2)
  57struct br2684_if_spec {
  58        int method;                     /* BR2684_FIND_* */
  59        union {
  60                char            ifname[IFNAMSIZ];
  61                int             devnum;
  62        } spec;
  63};
  64
  65/*
  66 * This is for the ATM_SETBACKEND call - these are like socket families:
  67 * the first element of the structure is the backend number and the rest
  68 * is per-backend specific
  69 */
  70struct atm_backend_br2684 {
  71        atm_backend_t   backend_num;    /* ATM_BACKEND_BR2684 */
  72        struct br2684_if_spec ifspec;
  73        int     fcs_in;         /* BR2684_FCSIN_* */
  74        int     fcs_out;        /* BR2684_FCSOUT_* */
  75        int     fcs_auto;       /* 1: fcs_{in,out} disabled if no FCS rx'ed */
  76        int     encaps;         /* BR2684_ENCAPS_* */
  77        int     has_vpiid;      /* 1: use vpn_id - Unsupported */
  78        __u8    vpn_id[7];
  79        int     send_padding;   /* unsupported */
  80        int     min_size;       /* we will pad smaller packets than this */
  81};
  82
  83/*
  84 * The BR2684_SETFILT ioctl is an experimental mechanism for folks
  85 * terminating a large number of IP-only vcc's.  When netfilter allows
  86 * efficient per-if in/out filters, this support will be removed
  87 */
  88struct br2684_filter {
  89        __u32   prefix;         /* network byte order */
  90        __u32   netmask;        /* 0 = disable filter */
  91};
  92
  93struct br2684_filter_set {
  94        struct br2684_if_spec ifspec;
  95        struct br2684_filter filter;
  96};
  97
  98#define BR2684_SETFILT  _IOW( 'a', ATMIOC_BACKEND + 0, \
  99                                struct br2684_filter_set)
 100
 101#endif /* _LINUX_ATMBR2684_H */
 102