LXR linux/include/linux/atmlec.h

   1/*
   2 * ATM Lan Emulation Daemon driver interface
   3 *
   4 * Marko Kiiskila <mkiiskila@yahoo.com>
   5 */
   6
   7#ifndef _ATMLEC_H_
   8#define _ATMLEC_H_
   9
  10#include <linux/atmapi.h>
  11#include <linux/atmioc.h>
  12#include <linux/atm.h>
  13#include <linux/if_ether.h>
  14
  15/* ATM lec daemon control socket */
  16#define ATMLEC_CTRL     _IO('a', ATMIOC_LANE)
  17#define ATMLEC_DATA     _IO('a', ATMIOC_LANE+1)
  18#define ATMLEC_MCAST    _IO('a', ATMIOC_LANE+2)
  19
  20/* Maximum number of LEC interfaces (tweakable) */
  21#define MAX_LEC_ITF 48
  22
  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,
  32        l_del_mac_addr,
  33        l_svc_setup,
  34        l_addr_delete,
  35        l_topology_change,
  36        l_flush_complete,
  37        l_arp_update,
  38        l_narp_req,             /* LANE2 mandates the use of this */
  39        l_config,
  40        l_flush_tran_id,
  41        l_set_lecid,
  42        l_arp_xmt,
  43        l_rdesc_arp_xmt,
  44        l_associate_req,
  45        l_should_bridge         /* should we bridge this MAC? */
  46} atmlec_msg_type;
  47
  48#define ATMLEC_MSG_TYPE_MAX l_should_bridge
  49
  50struct atmlec_config_msg {
  51        unsigned int maximum_unknown_frame_count;
  52        unsigned int max_unknown_frame_time;
  53        unsigned short max_retry_count;
  54        unsigned int aging_time;
  55        unsigned int forward_delay_time;
  56        unsigned int arp_response_time;
  57        unsigned int flush_timeout;
  58        unsigned int path_switching_delay;
  59        unsigned int lane_version;      /* LANE2: 1 for LANEv1, 2 for LANEv2 */
  60        int mtu;
  61        int is_proxy;
  62};
  63
  64struct atmlec_msg {
  65        atmlec_msg_type type;
  66        int sizeoftlvs;         /* LANE2: if != 0, tlvs follow */
  67        union {
  68                struct {
  69                        unsigned char mac_addr[ETH_ALEN];
  70                        unsigned char atm_addr[ATM_ESA_LEN];
  71                        unsigned int flag;      /*
  72                                                 * Topology_change flag,
  73                                                 * remoteflag, permanent flag,
  74                                                 * lecid, transaction id
  75                                                 */
  76                        unsigned int targetless_le_arp; /* LANE2 */
  77                        unsigned int no_source_le_narp; /* LANE2 */
  78                } normal;
  79                struct atmlec_config_msg config;
  80                struct {
  81                        uint16_t lec_id;                        /* requestor lec_id  */
  82                        uint32_t tran_id;                       /* transaction id    */
  83                        unsigned char mac_addr[ETH_ALEN];       /* dst mac addr      */
  84                        unsigned char atm_addr[ATM_ESA_LEN];    /* reqestor ATM addr */
  85                } proxy;        /*
  86                                 * For mapping LE_ARP requests to responses. Filled by
  87                                 * zeppelin, returned by kernel. Used only when proxying
  88                                 */
  89        } content;
  90} __ATM_API_ALIGN;
  91
  92struct atmlec_ioc {
  93        int dev_num;
  94        unsigned char atm_addr[ATM_ESA_LEN];
  95        unsigned char receive;  /* 1= receive vcc, 0 = send vcc */
  96};
  97#endif /* _ATMLEC_H_ */
  98