4 * Copyright (c) 1997 by Procom Technology,Inc.
5 * 2001 by Arnaldo Carvalho de Melo <acme@conectiva.com.br>
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.
12 * See the GNU General Public License for more details.
14 /* Defines LLC interface to network layer */
15 /* Available primitives */
17 #include <linux/if_arp.h>
18 #include <linux/llc.h>
19 #include <linux/etherdevice.h>
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
34 #define LLC_NBR_PRIMITIVES 11
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
45 /* Reset reasons, remote entity or local LLC */
46 #define LLC_RESET_REASON_REMOTE 1
47 #define LLC_RESET_REASON_LOCAL 2
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
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 /* */
66 * llc_mac_null - determines if a address is a null mac address
67 * @mac: Mac address to test if null.
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.
72 static inline int llc_mac_null(const u8
*mac
)
74 return is_zero_ether_addr(mac
);
77 static inline int llc_addrany(const struct llc_addr
*addr
)
79 return llc_mac_null(addr
->mac
) && !addr
->lsap
;
83 * llc_mac_match - determines if two mac addresses are the same
84 * @mac1: First mac address to compare.
85 * @mac2: Second mac address to compare.
87 * Determines if two given mac address are the same. Returns 0 if there
88 * is not a complete match up to len, 1 if a complete match up to len is
91 static inline int llc_mac_match(const u8
*mac1
, const u8
*mac2
)
93 return !compare_ether_addr(mac1
, mac2
);
96 extern int llc_establish_connection(struct sock
*sk
, u8
*lmac
,
98 extern int llc_build_and_send_pkt(struct sock
*sk
, struct sk_buff
*skb
);
99 extern int llc_send_disc(struct sock
*sk
);
100 #endif /* LLC_IF_H */