1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
2 | /* |
3 | * ATM Lan Emulation Daemon driver interface |
4 | * |
5 | * Marko Kiiskila <mkiiskila@yahoo.com> |
6 | */ |
7 | |
8 | #ifndef _ATMLEC_H_ |
9 | #define _ATMLEC_H_ |
10 | |
11 | #include <linux/atmapi.h> |
12 | #include <linux/atmioc.h> |
13 | #include <linux/atm.h> |
14 | #include <linux/if_ether.h> |
15 | #include <linux/types.h> |
16 | |
17 | /* ATM lec daemon control socket */ |
18 | #define ATMLEC_CTRL _IO('a', ATMIOC_LANE) |
19 | #define ATMLEC_DATA _IO('a', ATMIOC_LANE+1) |
20 | #define ATMLEC_MCAST _IO('a', ATMIOC_LANE+2) |
21 | |
22 | /* Maximum number of LEC interfaces (tweakable) */ |
23 | #define MAX_LEC_ITF 48 |
24 | |
25 | typedef enum { |
26 | l_set_mac_addr, |
27 | l_del_mac_addr, |
28 | l_svc_setup, |
29 | l_addr_delete, |
30 | l_topology_change, |
31 | l_flush_complete, |
32 | l_arp_update, |
33 | l_narp_req, /* LANE2 mandates the use of this */ |
34 | l_config, |
35 | l_flush_tran_id, |
36 | l_set_lecid, |
37 | 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; /* |
67 | * Topology_change flag, |
68 | * remoteflag, permanent flag, |
69 | * lecid, transaction id |
70 | */ |
71 | unsigned int targetless_le_arp; /* LANE2 */ |
72 | unsigned int no_source_le_narp; /* LANE2 */ |
73 | } normal; |
74 | struct atmlec_config_msg config; |
75 | struct { |
76 | __u16 lec_id; /* requestor lec_id */ |
77 | __u32 tran_id; /* transaction id */ |
78 | unsigned char mac_addr[ETH_ALEN]; /* dst mac addr */ |
79 | unsigned char atm_addr[ATM_ESA_LEN]; /* reqestor ATM addr */ |
80 | } proxy; /* |
81 | * For mapping LE_ARP requests to responses. Filled by |
82 | * zeppelin, returned by kernel. Used only when proxying |
83 | */ |
84 | } content; |
85 | } __ATM_API_ALIGN; |
86 | |
87 | struct atmlec_ioc { |
88 | int dev_num; |
89 | unsigned char atm_addr[ATM_ESA_LEN]; |
90 | unsigned char receive; /* 1= receive vcc, 0 = send vcc */ |
91 | }; |
92 | #endif /* _ATMLEC_H_ */ |
93 | |