#ifndef LLC_IF_H #define LLC_IF_H /* * Copyright (c) 1997 by Procom Technology,Inc. * 2001 by Arnaldo Carvalho de Melo <acme@conectiva.com.br> * * This program can be redistributed or modified under the terms of the * GNU General Public License as published by the Free Software Foundation. * This program is distributed without any warranty or implied warranty * of merchantability or fitness for a particular purpose. * * See the GNU General Public License for more details. */ /* Defines LLC interface to network layer */ /* Available primitives */ #include <linux/if.h> #include <linux/if_arp.h> #include <linux/llc.h> #include <linux/etherdevice.h> #include <net/llc.h> #define LLC_DATAUNIT_PRIM 1 #define LLC_CONN_PRIM 2 #define LLC_DATA_PRIM 3 #define LLC_DISC_PRIM 4 #define LLC_RESET_PRIM 5 #define LLC_FLOWCONTROL_PRIM 6 /* Not supported at this time */ #define LLC_DISABLE_PRIM 7 #define LLC_XID_PRIM 8 #define LLC_TEST_PRIM 9 #define LLC_SAP_ACTIVATION 10 #define LLC_SAP_DEACTIVATION 11 #define LLC_NBR_PRIMITIVES 11 #define LLC_IND 1 #define LLC_CONFIRM 2 /* Primitive type */ #define LLC_PRIM_TYPE_REQ 1 #define LLC_PRIM_TYPE_IND 2 #define LLC_PRIM_TYPE_RESP 3 #define LLC_PRIM_TYPE_CONFIRM 4 /* Reset reasons, remote entity or local LLC */ #define LLC_RESET_REASON_REMOTE 1 #define LLC_RESET_REASON_LOCAL 2 /* Disconnect reasons */ #define LLC_DISC_REASON_RX_DM_RSP_PDU 0 #define LLC_DISC_REASON_RX_DISC_CMD_PDU 1 #define LLC_DISC_REASON_ACK_TMR_EXP 2 /* Confirm reasons */ #define LLC_STATUS_CONN 0 /* connect confirm & reset confirm */ #define LLC_STATUS_DISC 1 /* connect confirm & reset confirm */ #define LLC_STATUS_FAILED 2 /* connect confirm & reset confirm */ #define LLC_STATUS_IMPOSSIBLE 3 /* connect confirm */ #define LLC_STATUS_RECEIVED 4 /* data conn */ #define LLC_STATUS_REMOTE_BUSY 5 /* data conn */ #define LLC_STATUS_REFUSE 6 /* data conn */ #define LLC_STATUS_CONFLICT 7 /* disconnect conn */ #define LLC_STATUS_RESET_DONE 8 /* */ /** * llc_mac_null - determines if a address is a null mac address * @mac: Mac address to test if null. * * Determines if a given address is a null mac address. Returns 0 if the * address is not a null mac, 1 if the address is a null mac. */ static inline int llc_mac_null(const u8 *mac) { return is_zero_ether_addr(mac); } static inline int llc_addrany(const struct llc_addr *addr) { return llc_mac_null(addr->mac) && !addr->lsap; } static inline int llc_mac_multicast(const u8 *mac) { return is_multicast_ether_addr(mac); } /** * llc_mac_match - determines if two mac addresses are the same * @mac1: First mac address to compare. * @mac2: Second mac address to compare. * * Determines if two given mac address are the same. Returns 0 if there * is not a complete match up to len, 1 if a complete match up to len is * found. */ static inline int llc_mac_match(const u8 *mac1, const u8 *mac2) { return !compare_ether_addr(mac1, mac2); } extern int llc_establish_connection(struct sock *sk, u8 *lmac, u8 *dmac, u8 dsap); extern int llc_build_and_send_pkt(struct sock *sk, struct sk_buff *skb); extern int llc_send_disc(struct sock *sk); #endif /* LLC_IF_H */