LXR linux/include/uapi/linux/atmlec.h

   1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2/*
   3 * ATM Lan Emulation Daemon driver interface
   4 *
   5 * Marko Kiiskila <mkiiskila@yahoo.com>
   6 */
   7
   8#ifndef _ATMLEC_H_
   9#define _ATMLEC_H_
  10
  11#include <linux/atmapi.h>
  12#include <linux/atmioc.h>
  13#include <linux/atm.h>
  14#include <linux/if_ether.h>
  15#include <linux/types.h>
  16
  17/* ATM lec daemon control socket */
  18#define ATMLEC_CTRL     _IO('a', ATMIOC_LANE)
  19#define ATMLEC_DATA     _IO('a', ATMIOC_LANE+1)
  20#define ATMLEC_MCAST    _IO('a', ATMIOC_LANE+2)
  21
  22/* Maximum number of LEC interfaces (tweakable) */
  23#define MAX_LEC_ITF 48
  24
  25typedef enum {
  26        l_set_mac_addr,
  27        l_del_mac_addr,
  28        l_svc_setup,
  29        l_addr_delete,
  30        l_topology_change,
  31        l_flush_complete,
  32        l_arp_update,
  33        l_narp_req,             /* LANE2 mandates the use of this */
  34        l_config,
  35        l_flush_tran_id,
  36        l_set_lecid,
  37        l_arp_xmt,
  38        l_rdesc_arp_xmt,
  39        l_associate_req,
  40        l_should_bridge         /* should we bridge this MAC? */
  41} atmlec_msg_type;
  42
  43#define ATMLEC_MSG_TYPE_MAX l_should_bridge
  44
  45struct atmlec_config_msg {
  46        unsigned int maximum_unknown_frame_count;
  47        unsigned int max_unknown_frame_time;
  48        unsigned short max_retry_count;
  49        unsigned int aging_time;
  50        unsigned int forward_delay_time;
  51        unsigned int arp_response_time;
  52        unsigned int flush_timeout;
  53        unsigned int path_switching_delay;
  54        unsigned int lane_version;      /* LANE2: 1 for LANEv1, 2 for LANEv2 */
  55        int mtu;
  56        int is_proxy;
  57};
  58
  59struct atmlec_msg {
  60        atmlec_msg_type type;
  61        int sizeoftlvs;         /* LANE2: if != 0, tlvs follow */
  62        union {
  63                struct {
  64                        unsigned char mac_addr[ETH_ALEN];
  65                        unsigned char atm_addr[ATM_ESA_LEN];
  66                        unsigned int flag;      /*
  67                                                 * Topology_change flag,
  68                                                 * remoteflag, permanent flag,
  69                                                 * lecid, transaction id
  70                                                 */
  71                        unsigned int targetless_le_arp; /* LANE2 */
  72                        unsigned int no_source_le_narp; /* LANE2 */
  73                } normal;
  74                struct atmlec_config_msg config;
  75                struct {
  76                        __u16 lec_id;                           /* requestor lec_id  */
  77                        __u32 tran_id;                          /* transaction id    */
  78                        unsigned char mac_addr[ETH_ALEN];       /* dst mac addr      */
  79                        unsigned char atm_addr[ATM_ESA_LEN];    /* reqestor ATM addr */
  80                } proxy;        /*
  81                                 * For mapping LE_ARP requests to responses. Filled by
  82                                 * zeppelin, returned by kernel. Used only when proxying
  83                                 */
  84        } content;
  85} __ATM_API_ALIGN;
  86
  87struct atmlec_ioc {
  88        int dev_num;
  89        unsigned char atm_addr[ATM_ESA_LEN];
  90        unsigned char receive;  /* 1= receive vcc, 0 = send vcc */
  91};
  92#endif /* _ATMLEC_H_ */
  93