File: /usr/src/linux/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/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
30 typedef 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
45 struct 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
59 struct 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
83 struct 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