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1 /*
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2 * CDDL HEADER START
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3 *
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4 * The contents of this file are subject to the terms of the
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5 * Common Development and Distribution License, Version 1.0 only
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6 * (the "License"). You may not use this file except in compliance
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7 * with the License.
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8 *
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9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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10 * or http://www.opensolaris.org/os/licensing.
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11 * See the License for the specific language governing permissions
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12 * and limitations under the License.
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13 *
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14 * When distributing Covered Code, include this CDDL HEADER in each
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15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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16 * If applicable, add the following below this CDDL HEADER, with the
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17 * fields enclosed by brackets "[]" replaced with your own identifying
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18 * information: Portions Copyright [yyyy] [name of copyright owner]
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19 *
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20 * CDDL HEADER END
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21 */
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22 /*
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23 * PPPoE common utilities and data.
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24 *
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25 * Copyright (c) 2000-2001 by Sun Microsystems, Inc.
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26 * All rights reserved.
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27 */
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28
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29 #ifndef PPPOE_COMMON_H
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30 #define PPPOE_COMMON_H
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31
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32 #pragma ident "@(#)common.h 1.2 05/06/08 SMI"
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33
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34 #ifdef __cplusplus
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35 extern "C" {
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36 #endif
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37
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38 #include <sys/types.h>
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39 #include <sys/socket.h>
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40 #include <net/if.h>
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41 #include <net/sppptun.h>
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42 #include <net/pppoe.h>
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43 #include <netinet/if_ether.h>
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44
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45 #define PKT_INPUT_LEN PPPOE_MSGMAX
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46 #define PKT_OCTL_LEN (sizeof (struct ppptun_control) + 1)
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47 #define PKT_OUTPUT_LEN PPPOE_MSGMAX
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48
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49 /* Common buffers */
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50 extern uint32_t pkt_input[];
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51 extern uint32_t pkt_octl[];
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52 extern uint32_t pkt_output[];
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53
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54 /* Name of PPPoE tunnel driver */
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55 extern const char tunnam[];
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56
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57 /* Name of application (from argv[0]) */
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58 extern char *myname;
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59
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60 /* Ethernet broadcast address */
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61 extern const ether_addr_t ether_bcast;
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62
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63 /* General purpose utility functions. */
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64 struct strbuf;
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65 extern int strioctl(int fd, int cmd, void *ptr, int ilen, int olen);
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66 extern const char *ehost(const ppptun_atype *pap);
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67 extern const char *ehost2(const struct ether_addr *ea);
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68 extern const char *ihost(uint32_t haddr);
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69 extern int hexdecode(char chr);
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70 extern const char *mystrerror(int err);
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71 extern void myperror(const char *emsg);
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72 extern int mygetmsg(int fd, struct strbuf *ctrl, struct strbuf *data,
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73 int *flags);
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74
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75 /* PPPoE-specific functions. */
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76 extern poep_t *poe_mkheader(void *dptr, uint8_t codeval, int sessionid);
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77 extern boolean_t poe_tagcheck(const poep_t *poep, int length,
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78 const uint8_t *tptr);
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79 extern int poe_add_str(poep_t *poep, uint16_t ttype, const char *str);
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80 extern int poe_add_long(poep_t *poep, uint16_t ttype, uint32_t val);
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81 extern int poe_two_longs(poep_t *poep, uint16_t ttype, uint32_t val1,
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82 uint32_t val2);
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83 extern int poe_tag_copy(poep_t *poep, const uint8_t *tagp);
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84 extern const char *poe_tagname(uint16_t tagtype);
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85 extern const char *poe_codename(uint8_t codetype);
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86
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87 /* These are here in case access wrappers are desired. */
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88 #define poe_version_type(p) ((p)->poep_version_type)
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89 #define poe_code(p) ((p)->poep_code)
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90 #define poe_session_id(p) ntohs((p)->poep_session_id)
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91 #define poe_length(p) ntohs((p)->poep_length)
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92
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93 #ifdef __cplusplus
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94 }
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95 #endif
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96
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97 #endif /* PPPOE_COMMON_H */
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