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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Chas Williams1c9d3e72006-09-29 17:13:24 -07002 * ATM Lan Emulation Daemon driver interface
Linus Torvalds1da177e2005-04-16 15:20:36 -07003 *
Chas Williams1c9d3e72006-09-29 17:13:24 -07004 * Marko Kiiskila <mkiiskila@yahoo.com>
Linus Torvalds1da177e2005-04-16 15:20:36 -07005 */
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>
Chas Williams1c9d3e72006-09-29 17:13:24 -070014
Linus Torvalds1da177e2005-04-16 15:20:36 -070015/* ATM lec daemon control socket */
Chas Williams1c9d3e72006-09-29 17:13:24 -070016#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)
Linus Torvalds1da177e2005-04-16 15:20:36 -070019
20/* Maximum number of LEC interfaces (tweakable) */
21#define MAX_LEC_ITF 48
22
Chas Williams1c9d3e72006-09-29 17:13:24 -070023/*
24 * From the total of MAX_LEC_ITF, last NUM_TR_DEVS are reserved for Token Ring.
Linus Torvalds1da177e2005-04-16 15:20:36 -070025 * 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
Chas Williams1c9d3e72006-09-29 17:13:24 -070030typedef 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? */
Linus Torvalds1da177e2005-04-16 15:20:36 -070046} atmlec_msg_type;
47
48#define ATMLEC_MSG_TYPE_MAX l_should_bridge
49
50struct atmlec_config_msg {
Chas Williams1c9d3e72006-09-29 17:13:24 -070051 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;
Linus Torvalds1da177e2005-04-16 15:20:36 -070062};
Chas Williams1c9d3e72006-09-29 17:13:24 -070063
Linus Torvalds1da177e2005-04-16 15:20:36 -070064struct atmlec_msg {
Chas Williams1c9d3e72006-09-29 17:13:24 -070065 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;
Linus Torvalds1da177e2005-04-16 15:20:36 -070090} __ATM_API_ALIGN;
91
92struct atmlec_ioc {
Chas Williams1c9d3e72006-09-29 17:13:24 -070093 int dev_num;
94 unsigned char atm_addr[ATM_ESA_LEN];
95 unsigned char receive; /* 1= receive vcc, 0 = send vcc */
Linus Torvalds1da177e2005-04-16 15:20:36 -070096};
97#endif /* _ATMLEC_H_ */