Subversion Repositories shark

Rev

Details | Last modification | View Log | RSS feed

Rev Author Line No. Line
422 giacomo 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_ */