1 #ifndef _LINUX_ATMBR2684_H
2 #define _LINUX_ATMBR2684_H
4 #include <linux/types.h>
6 #include <linux/if.h> /* For IFNAMSIZ */
9 * Type of media we're bridging (ethernet, token ring, etc) Currently only
10 * ethernet is supported
12 #define BR2684_MEDIA_ETHERNET (0) /* 802.3 */
13 #define BR2684_MEDIA_802_4 (1) /* 802.4 */
14 #define BR2684_MEDIA_TR (2) /* 802.5 - token ring */
15 #define BR2684_MEDIA_FDDI (3)
16 #define BR2684_MEDIA_802_6 (4) /* 802.6 */
18 /* used only at device creation: */
19 #define BR2684_FLAG_ROUTED (1<<16) /* payload is routed, not bridged */
22 * Is there FCS inbound on this VC? This currently isn't supported.
24 #define BR2684_FCSIN_NO (0)
25 #define BR2684_FCSIN_IGNORE (1)
26 #define BR2684_FCSIN_VERIFY (2)
29 * Is there FCS outbound on this VC? This currently isn't supported.
31 #define BR2684_FCSOUT_NO (0)
32 #define BR2684_FCSOUT_SENDZERO (1)
33 #define BR2684_FCSOUT_GENERATE (2)
36 * Does this VC include LLC encapsulation?
38 #define BR2684_ENCAPS_VC (0) /* VC-mux */
39 #define BR2684_ENCAPS_LLC (1)
40 #define BR2684_ENCAPS_AUTODETECT (2) /* Unsuported */
43 * Is this VC bridged or routed?
46 #define BR2684_PAYLOAD_ROUTED (0)
47 #define BR2684_PAYLOAD_BRIDGED (1)
50 * This is for the ATM_NEWBACKENDIF call - these are like socket families:
51 * the first element of the structure is the backend number and the rest
52 * is per-backend specific
54 struct atm_newif_br2684 {
55 atm_backend_t backend_num; /* ATM_BACKEND_BR2684 */
56 int media; /* BR2684_MEDIA_*, flags in upper bits */
57 char ifname[IFNAMSIZ];
62 * This structure is used to specify a br2684 interface - either by a
63 * positive integer (returned by ATM_NEWBACKENDIF) or the interfaces name
65 #define BR2684_FIND_BYNOTHING (0)
66 #define BR2684_FIND_BYNUM (1)
67 #define BR2684_FIND_BYIFNAME (2)
68 struct br2684_if_spec {
69 int method; /* BR2684_FIND_* */
71 char ifname[IFNAMSIZ];
77 * This is for the ATM_SETBACKEND call - these are like socket families:
78 * the first element of the structure is the backend number and the rest
79 * is per-backend specific
81 struct atm_backend_br2684 {
82 atm_backend_t backend_num; /* ATM_BACKEND_BR2684 */
83 struct br2684_if_spec ifspec;
84 int fcs_in; /* BR2684_FCSIN_* */
85 int fcs_out; /* BR2684_FCSOUT_* */
86 int fcs_auto; /* 1: fcs_{in,out} disabled if no FCS rx'ed */
87 int encaps; /* BR2684_ENCAPS_* */
88 int has_vpiid; /* 1: use vpn_id - Unsupported */
90 int send_padding; /* unsupported */
91 int min_size; /* we will pad smaller packets than this */
95 * The BR2684_SETFILT ioctl is an experimental mechanism for folks
96 * terminating a large number of IP-only vcc's. When netfilter allows
97 * efficient per-if in/out filters, this support will be removed
99 struct br2684_filter {
100 __be32 prefix; /* network byte order */
101 __be32 netmask; /* 0 = disable filter */
104 struct br2684_filter_set {
105 struct br2684_if_spec ifspec;
106 struct br2684_filter filter;
109 enum br2684_payload {
110 p_routed = BR2684_PAYLOAD_ROUTED,
111 p_bridged = BR2684_PAYLOAD_BRIDGED,
114 #define BR2684_SETFILT _IOW( 'a', ATMIOC_BACKEND + 0, \
115 struct br2684_filter_set)
117 #endif /* _LINUX_ATMBR2684_H */