xref: /openbmc/linux/include/net/llc_if.h (revision 0545810f)
1 #ifndef LLC_IF_H
2 #define LLC_IF_H
3 /*
4  * Copyright (c) 1997 by Procom Technology,Inc.
5  * 		 2001 by Arnaldo Carvalho de Melo <acme@conectiva.com.br>
6  *
7  * This program can be redistributed or modified under the terms of the
8  * GNU General Public License as published by the Free Software Foundation.
9  * This program is distributed without any warranty or implied warranty
10  * of merchantability or fitness for a particular purpose.
11  *
12  * See the GNU General Public License for more details.
13  */
14 /* Defines LLC interface to network layer */
15 /* Available primitives */
16 #include <linux/if.h>
17 #include <linux/if_arp.h>
18 #include <linux/llc.h>
19 #include <linux/etherdevice.h>
20 #include <net/llc.h>
21 
22 #define LLC_DATAUNIT_PRIM	1
23 #define LLC_CONN_PRIM		2
24 #define LLC_DATA_PRIM		3
25 #define LLC_DISC_PRIM		4
26 #define LLC_RESET_PRIM		5
27 #define LLC_FLOWCONTROL_PRIM	6 /* Not supported at this time */
28 #define LLC_DISABLE_PRIM	7
29 #define LLC_XID_PRIM		8
30 #define LLC_TEST_PRIM		9
31 #define LLC_SAP_ACTIVATION     10
32 #define LLC_SAP_DEACTIVATION   11
33 
34 #define LLC_NBR_PRIMITIVES     11
35 
36 #define LLC_IND			1
37 #define LLC_CONFIRM		2
38 
39 /* Primitive type */
40 #define LLC_PRIM_TYPE_REQ	1
41 #define LLC_PRIM_TYPE_IND	2
42 #define LLC_PRIM_TYPE_RESP	3
43 #define LLC_PRIM_TYPE_CONFIRM	4
44 
45 /* Reset reasons, remote entity or local LLC */
46 #define LLC_RESET_REASON_REMOTE	1
47 #define LLC_RESET_REASON_LOCAL	2
48 
49 /* Disconnect reasons */
50 #define LLC_DISC_REASON_RX_DM_RSP_PDU	0
51 #define LLC_DISC_REASON_RX_DISC_CMD_PDU	1
52 #define LLC_DISC_REASON_ACK_TMR_EXP	2
53 
54 /* Confirm reasons */
55 #define LLC_STATUS_CONN		0 /* connect confirm & reset confirm */
56 #define LLC_STATUS_DISC		1 /* connect confirm & reset confirm */
57 #define LLC_STATUS_FAILED	2 /* connect confirm & reset confirm */
58 #define LLC_STATUS_IMPOSSIBLE	3 /* connect confirm */
59 #define LLC_STATUS_RECEIVED	4 /* data conn */
60 #define LLC_STATUS_REMOTE_BUSY	5 /* data conn */
61 #define LLC_STATUS_REFUSE	6 /* data conn */
62 #define LLC_STATUS_CONFLICT	7 /* disconnect conn */
63 #define LLC_STATUS_RESET_DONE	8 /*  */
64 
65 int llc_establish_connection(struct sock *sk, const u8 *lmac, u8 *dmac,
66 			     u8 dsap);
67 int llc_build_and_send_pkt(struct sock *sk, struct sk_buff *skb);
68 int llc_send_disc(struct sock *sk);
69 #endif /* LLC_IF_H */
70