LXR linux-bk/include/linux/atmlec.h

   1/*
   2 * 
   3 * ATM Lan Emulation Daemon vs. driver interface
   4 *
   5 * mkiiskila@yahoo.com
   6 *
   7 */
   8
   9#ifndef _ATMLEC_H_
  10#define _ATMLEC_H_
  11
  12#include <linux/atmapi.h>
  13#include <linux/atmioc.h>
  14#include <linux/atm.h>
  15#include <linux/if_ether.h>
  16/* ATM lec daemon control socket */
  17#define ATMLEC_CTRL _IO('a',ATMIOC_LANE)
  18#define ATMLEC_DATA _IO('a',ATMIOC_LANE+1)
  19#define ATMLEC_MCAST _IO('a',ATMIOC_LANE+2)
  20
  21/* Maximum number of LEC interfaces (tweakable) */
  22#define MAX_LEC_ITF 48
  23
  24/* From the total of MAX_LEC_ITF, last NUM_TR_DEVS are reserved for Token Ring.
  25 * E.g. if MAX_LEC_ITF = 48 and NUM_TR_DEVS = 8, then lec0-lec39 are for
  26 * Ethernet ELANs and lec40-lec47 are for Token Ring ELANS.
  27 */
  28#define NUM_TR_DEVS 8
  29
  30typedef enum { 
  31        l_set_mac_addr,   l_del_mac_addr, 
  32        l_svc_setup, 
  33        l_addr_delete,    l_topology_change, 
  34        l_flush_complete, l_arp_update,
  35        l_narp_req, /* LANE2 mandates the use of this */
  36        l_config,         l_flush_tran_id, 
  37        l_set_lecid,      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;/* Topology_change flag, 
  67                                              remoteflag, permanent flag,
  68                                              lecid, transaction id */
  69                        unsigned int targetless_le_arp; /* LANE2 */
  70                        unsigned int no_source_le_narp; /* LANE2 */
  71                } normal;
  72                struct atmlec_config_msg config;
  73                struct {
  74                        uint16_t lec_id;                     /* requestor lec_id  */
  75                        uint32_t tran_id;                    /* transaction id    */
  76                        unsigned char mac_addr[ETH_ALEN];    /* dst mac addr      */
  77                        unsigned char atm_addr[ATM_ESA_LEN]; /* reqestor ATM addr */
  78                } proxy;
  79                     /* For mapping LE_ARP requests to responses. Filled by */
  80        } content;       /* zeppelin, returned by kernel. Used only when proxying */ 
  81} __ATM_API_ALIGN;
  82
  83struct atmlec_ioc {
  84        int dev_num;
  85        unsigned char atm_addr[ATM_ESA_LEN];
  86        unsigned char receive;    /* 1= receive vcc, 0 = send vcc */
  87};
  88#endif /* _ATMLEC_H_ */
  89