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1da177e4 LT |
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 <[email protected]> | |
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> | |
aecbd4e4 | 19 | #include <linux/etherdevice.h> |
1da177e4 LT |
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 | ||
1da177e4 LT |
65 | /** |
66 | * llc_mac_null - determines if a address is a null mac address | |
67 | * @mac: Mac address to test if null. | |
68 | * | |
69 | * Determines if a given address is a null mac address. Returns 0 if the | |
70 | * address is not a null mac, 1 if the address is a null mac. | |
71 | */ | |
aecbd4e4 | 72 | static inline int llc_mac_null(const u8 *mac) |
1da177e4 | 73 | { |
aecbd4e4 | 74 | return is_zero_ether_addr(mac); |
1da177e4 LT |
75 | } |
76 | ||
bc0e6467 SH |
77 | static inline int llc_mac_multicast(const u8 *mac) |
78 | { | |
79 | return is_multicast_ether_addr(mac); | |
80 | } | |
1da177e4 LT |
81 | /** |
82 | * llc_mac_match - determines if two mac addresses are the same | |
83 | * @mac1: First mac address to compare. | |
84 | * @mac2: Second mac address to compare. | |
85 | * | |
86 | * Determines if two given mac address are the same. Returns 0 if there | |
87 | * is not a complete match up to len, 1 if a complete match up to len is | |
88 | * found. | |
89 | */ | |
aecbd4e4 | 90 | static inline int llc_mac_match(const u8 *mac1, const u8 *mac2) |
1da177e4 | 91 | { |
aecbd4e4 | 92 | return !compare_ether_addr(mac1, mac2); |
1da177e4 LT |
93 | } |
94 | ||
95 | extern int llc_establish_connection(struct sock *sk, u8 *lmac, | |
96 | u8 *dmac, u8 dsap); | |
97 | extern int llc_build_and_send_pkt(struct sock *sk, struct sk_buff *skb); | |
98 | extern int llc_send_disc(struct sock *sk); | |
99 | #endif /* LLC_IF_H */ |