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 */ 43 struct 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) 57 struct 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 */ 70 struct 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 */ 88 struct br2684_filter { 89 __be32 prefix; /* network byte order */ 90 __be32 netmask; /* 0 = disable filter */ 91 }; 92 93 struct 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
