diff options
Diffstat (limited to 'include/uapi/linux/atmbr2684.h')
| -rw-r--r-- | include/uapi/linux/atmbr2684.h | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/include/uapi/linux/atmbr2684.h b/include/uapi/linux/atmbr2684.h new file mode 100644 index 000000000000..fdb2629b6189 --- /dev/null +++ b/include/uapi/linux/atmbr2684.h @@ -0,0 +1,117 @@ +#ifndef _LINUX_ATMBR2684_H +#define _LINUX_ATMBR2684_H + +#include <linux/types.h> +#include <linux/atm.h> +#include <linux/if.h> /* For IFNAMSIZ */ + +/* + * Type of media we're bridging (ethernet, token ring, etc) Currently only + * ethernet is supported + */ +#define BR2684_MEDIA_ETHERNET (0) /* 802.3 */ +#define BR2684_MEDIA_802_4 (1) /* 802.4 */ +#define BR2684_MEDIA_TR (2) /* 802.5 - token ring */ +#define BR2684_MEDIA_FDDI (3) +#define BR2684_MEDIA_802_6 (4) /* 802.6 */ + + /* used only at device creation: */ +#define BR2684_FLAG_ROUTED (1<<16) /* payload is routed, not bridged */ + +/* + * Is there FCS inbound on this VC? This currently isn't supported. + */ +#define BR2684_FCSIN_NO (0) +#define BR2684_FCSIN_IGNORE (1) +#define BR2684_FCSIN_VERIFY (2) + +/* + * Is there FCS outbound on this VC? This currently isn't supported. + */ +#define BR2684_FCSOUT_NO (0) +#define BR2684_FCSOUT_SENDZERO (1) +#define BR2684_FCSOUT_GENERATE (2) + +/* + * Does this VC include LLC encapsulation? + */ +#define BR2684_ENCAPS_VC (0) /* VC-mux */ +#define BR2684_ENCAPS_LLC (1) +#define BR2684_ENCAPS_AUTODETECT (2) /* Unsuported */ + +/* + * Is this VC bridged or routed? + */ + +#define BR2684_PAYLOAD_ROUTED (0) +#define BR2684_PAYLOAD_BRIDGED (1) + +/* + * This is for the ATM_NEWBACKENDIF call - these are like socket families: + * the first element of the structure is the backend number and the rest + * is per-backend specific + */ +struct atm_newif_br2684 { + atm_backend_t backend_num; /* ATM_BACKEND_BR2684 */ + int media; /* BR2684_MEDIA_*, flags in upper bits */ + char ifname[IFNAMSIZ]; + int mtu; +}; + +/* + * This structure is used to specify a br2684 interface - either by a + * positive integer (returned by ATM_NEWBACKENDIF) or the interfaces name + */ +#define BR2684_FIND_BYNOTHING (0) +#define BR2684_FIND_BYNUM (1) +#define BR2684_FIND_BYIFNAME (2) +struct br2684_if_spec { + int method; /* BR2684_FIND_* */ + union { + char ifname[IFNAMSIZ]; + int devnum; + } spec; +}; + +/* + * This is for the ATM_SETBACKEND call - these are like socket families: + * the first element of the structure is the backend number and the rest + * is per-backend specific + */ +struct atm_backend_br2684 { + atm_backend_t backend_num; /* ATM_BACKEND_BR2684 */ + struct br2684_if_spec ifspec; + int fcs_in; /* BR2684_FCSIN_* */ + int fcs_out; /* BR2684_FCSOUT_* */ + int fcs_auto; /* 1: fcs_{in,out} disabled if no FCS rx'ed */ + int encaps; /* BR2684_ENCAPS_* */ + int has_vpiid; /* 1: use vpn_id - Unsupported */ + __u8 vpn_id[7]; + int send_padding; /* unsupported */ + int min_size; /* we will pad smaller packets than this */ +}; + +/* + * The BR2684_SETFILT ioctl is an experimental mechanism for folks + * terminating a large number of IP-only vcc's. When netfilter allows + * efficient per-if in/out filters, this support will be removed + */ +struct br2684_filter { + __be32 prefix; /* network byte order */ + __be32 netmask; /* 0 = disable filter */ +}; + +struct br2684_filter_set { + struct br2684_if_spec ifspec; + struct br2684_filter filter; +}; + +enum br2684_payload { + p_routed = BR2684_PAYLOAD_ROUTED, + p_bridged = BR2684_PAYLOAD_BRIDGED, +}; + +#define BR2684_SETFILT _IOW( 'a', ATMIOC_BACKEND + 0, \ + struct br2684_filter_set) + +#endif /* _LINUX_ATMBR2684_H */ |