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 __be32 prefix; /* network byte order */ 90 __be32 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