include/linux/atmlec.h

   1 /*
   2  *
   3  * ATM Lan Emulation Daemon vs. driver interface
   4  *
   5  * carnil@cs.tut.fi
   6  *
   7  */
   8
   9 #ifndef _ATMLEC_H_
  10 #define _ATMLEC_H_
  11
  12 #include <linux/atmioc.h>
  13 #include <linux/atm.h>
  14 #include <linux/if_ether.h>
  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 /* From the total of MAX_LEC_ITF, last NUM_TR_DEVS are reserved for Token Ring.
  24  * E.g. if MAX_LEC_ITF = 48 and NUM_TR_DEVS = 8, then lec0-lec39 are for
  25  * Ethernet ELANs and lec40-lec47 are for Token Ring ELANS.
  26  */
  27 #define NUM_TR_DEVS 8
  28
  29 typedef enum {
  30         l_set_mac_addr,   l_del_mac_addr,
  31         l_svc_setup,
  32         l_addr_delete,    l_topology_change,
  33         l_flush_complete, l_arp_update,
  34         l_narp_req, /* LANE2 mandates the use of this */
  35         l_config,         l_flush_tran_id,
  36         l_set_lecid,      l_arp_xmt,
  37         l_rdesc_arp_xmt,
  38         l_associate_req,
  39         l_should_bridge   /* should we bridge this MAC? */
  40 } atmlec_msg_type;
  41
  42 #define ATMLEC_MSG_TYPE_MAX l_should_bridge
  43
  44 struct atmlec_config_msg {
  45         unsigned int maximum_unknown_frame_count;
  46         unsigned long max_unknown_frame_time;
  47         unsigned short max_retry_count;
  48         unsigned long aging_time;
  49         unsigned long forward_delay_time;
  50         unsigned long arp_response_time;
  51         unsigned long flush_timeout;
  52         unsigned long path_switching_delay;
  53         unsigned int  lane_version; /* LANE2: 1 for LANEv1, 2 for LANEv2 */
  54         int mtu;
  55 };
  56
  57 struct atmlec_msg {
  58         atmlec_msg_type type;
  59         int             sizeoftlvs;        /* LANE2: if != 0, tlvs follow */
  60         union {
  61                 struct {
  62                         unsigned char mac_addr[ETH_ALEN];
  63                         unsigned char atm_addr[ATM_ESA_LEN];
  64                         unsigned long flag;/* Topology_change flag,
  65                                               remoteflag, permanent flag,
  66                                               lecid, transaction id */
  67                         unsigned int targetless_le_arp; /* LANE2 */
  68                         unsigned int no_source_le_narp; /* LANE2 */
  69                 } normal;
  70                 struct atmlec_config_msg config;
  71                 struct {
  72                         uint16_t lec_id;                     /* requestor lec_id  */
  73                         uint32_t tran_id;                    /* transaction id    */
  74                         unsigned char mac_addr[ETH_ALEN];    /* dst mac addr      */
  75                         unsigned char atm_addr[ATM_ESA_LEN]; /* reqestor ATM addr */
  76                 } proxy; /* For mapping LE_ARP requests to responses. Filled by   */
  77         } content;       /* zeppelin, returned by kernel. Used only when proxying */
  78 };
  79
  80 struct atmlec_ioc {
  81         int dev_num;
  82         unsigned char atm_addr[ATM_ESA_LEN];
  83         unsigned char receive;    /* 1= receive vcc, 0 = send vcc */
  84 };
  85 #endif /* _ATMLEC_H_ */