Something went wrong. Try again.
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Something went wrong. Try again.
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */#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) /* Unsupported */
/* * 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 */