ssb: remove the ssb DMA API
[linux-2.6.git] / include / linux / atmlec.h
1 /*
2  * ATM Lan Emulation Daemon driver interface
3  *
4  * Marko Kiiskila <mkiiskila@yahoo.com>
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 /*
25  * From the total of MAX_LEC_ITF, last NUM_TR_DEVS are reserved for Token Ring.
26  * E.g. if MAX_LEC_ITF = 48 and NUM_TR_DEVS = 8, then lec0-lec39 are for
27  * Ethernet ELANs and lec40-lec47 are for Token Ring ELANS.
28  */
29 #define NUM_TR_DEVS 8
30
31 typedef enum {
32         l_set_mac_addr,
33         l_del_mac_addr,
34         l_svc_setup,
35         l_addr_delete,
36         l_topology_change,
37         l_flush_complete,
38         l_arp_update,
39         l_narp_req,             /* LANE2 mandates the use of this */
40         l_config,
41         l_flush_tran_id,
42         l_set_lecid,
43         l_arp_xmt,
44         l_rdesc_arp_xmt,
45         l_associate_req,
46         l_should_bridge         /* should we bridge this MAC? */
47 } atmlec_msg_type;
48
49 #define ATMLEC_MSG_TYPE_MAX l_should_bridge
50
51 struct atmlec_config_msg {
52         unsigned int maximum_unknown_frame_count;
53         unsigned int max_unknown_frame_time;
54         unsigned short max_retry_count;
55         unsigned int aging_time;
56         unsigned int forward_delay_time;
57         unsigned int arp_response_time;
58         unsigned int flush_timeout;
59         unsigned int path_switching_delay;
60         unsigned int lane_version;      /* LANE2: 1 for LANEv1, 2 for LANEv2 */
61         int mtu;
62         int is_proxy;
63 };
64
65 struct atmlec_msg {
66         atmlec_msg_type type;
67         int sizeoftlvs;         /* LANE2: if != 0, tlvs follow */
68         union {
69                 struct {
70                         unsigned char mac_addr[ETH_ALEN];
71                         unsigned char atm_addr[ATM_ESA_LEN];
72                         unsigned int flag;      /*
73                                                  * Topology_change flag,
74                                                  * remoteflag, permanent flag,
75                                                  * lecid, transaction id
76                                                  */
77                         unsigned int targetless_le_arp; /* LANE2 */
78                         unsigned int no_source_le_narp; /* LANE2 */
79                 } normal;
80                 struct atmlec_config_msg config;
81                 struct {
82                         __u16 lec_id;                           /* requestor lec_id  */
83                         __u32 tran_id;                          /* transaction id    */
84                         unsigned char mac_addr[ETH_ALEN];       /* dst mac addr      */
85                         unsigned char atm_addr[ATM_ESA_LEN];    /* reqestor ATM addr */
86                 } proxy;        /*
87                                  * For mapping LE_ARP requests to responses. Filled by
88                                  * zeppelin, returned by kernel. Used only when proxying
89                                  */
90         } content;
91 } __ATM_API_ALIGN;
92
93 struct atmlec_ioc {
94         int dev_num;
95         unsigned char atm_addr[ATM_ESA_LEN];
96         unsigned char receive;  /* 1= receive vcc, 0 = send vcc */
97 };
98 #endif /* _ATMLEC_H_ */