include/linux/atmlec.h

   1 /*
   2  * ATM Lan Emulation Daemon driver interface
   3  *
   4  * Marko Kiiskila <[email protected]>
   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 #include <linux/types.h>
  15
  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 typedef enum {
  25         l_set_mac_addr,
  26         l_del_mac_addr,
  27         l_svc_setup,
  28         l_addr_delete,
  29         l_topology_change,
  30         l_flush_complete,
  31         l_arp_update,
  32         l_narp_req,             /* LANE2 mandates the use of this */
  33         l_config,
  34         l_flush_tran_id,
  35         l_set_lecid,
  36         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 int max_unknown_frame_time;
  47         unsigned short max_retry_count;
  48         unsigned int aging_time;
  49         unsigned int forward_delay_time;
  50         unsigned int arp_response_time;
  51         unsigned int flush_timeout;
  52         unsigned int path_switching_delay;
  53         unsigned int lane_version;      /* LANE2: 1 for LANEv1, 2 for LANEv2 */
  54         int mtu;
  55         int is_proxy;
  56 };
  57
  58 struct atmlec_msg {
  59         atmlec_msg_type type;
  60         int sizeoftlvs;         /* LANE2: if != 0, tlvs follow */
  61         union {
  62                 struct {
  63                         unsigned char mac_addr[ETH_ALEN];
  64                         unsigned char atm_addr[ATM_ESA_LEN];
  65                         unsigned int flag;      /*
  66                                                  * Topology_change flag,
  67                                                  * remoteflag, permanent flag,
  68                                                  * lecid, transaction id
  69                                                  */
  70                         unsigned int targetless_le_arp; /* LANE2 */
  71                         unsigned int no_source_le_narp; /* LANE2 */
  72                 } normal;
  73                 struct atmlec_config_msg config;
  74                 struct {
  75                         __u16 lec_id;                           /* requestor lec_id  */
  76                         __u32 tran_id;                          /* transaction id    */
  77                         unsigned char mac_addr[ETH_ALEN];       /* dst mac addr      */
  78                         unsigned char atm_addr[ATM_ESA_LEN];    /* reqestor ATM addr */
  79                 } proxy;        /*
  80                                  * For mapping LE_ARP requests to responses. Filled by
  81                                  * zeppelin, returned by kernel. Used only when proxying
  82                                  */
  83         } content;
  84 } __ATM_API_ALIGN;
  85
  86 struct atmlec_ioc {
  87         int dev_num;
  88         unsigned char atm_addr[ATM_ESA_LEN];
  89         unsigned char receive;  /* 1= receive vcc, 0 = send vcc */
  90 };
  91 #endif /* _ATMLEC_H_ */