2010-03-23 00:05:57 +00:00
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/*
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*
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* PPP library with GLib integration
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*
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* Copyright (C) 2009-2010 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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struct pppcp_data;
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enum pppcp_code {
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CONFIGURE_REQUEST = 1,
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CONFIGURE_ACK,
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CONFIGURE_NAK,
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CONFIGURE_REJECT,
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TERMINATE_REQUEST,
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TERMINATE_ACK,
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CODE_REJECT,
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PROTOCOL_REJECT,
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ECHO_REQUEST,
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ECHO_REPLY,
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DISCARD_REQUEST
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};
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enum pppcp_event_type {
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UP,
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DOWN,
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OPEN,
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CLOSE,
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TO_PLUS,
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TO_MINUS,
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RCR_PLUS,
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RCR_MINUS,
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RCA,
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RCN,
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RTR,
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RTA,
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RUC,
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RXJ_PLUS,
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RXJ_MINUS,
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RXR,
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};
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enum pppcp_state {
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INITIAL,
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STARTING,
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CLOSED,
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STOPPED,
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CLOSING,
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STOPPING,
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REQSENT,
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ACKRCVD,
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ACKSENT,
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OPENED,
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};
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/* option format */
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struct ppp_option {
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guint8 type;
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guint8 length;
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guint8 data[0];
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};
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enum option_rval {
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OPTION_ACCEPT,
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OPTION_REJECT,
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OPTION_NAK,
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OPTION_ERR,
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};
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struct pppcp_action {
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void (*this_layer_up)(struct pppcp_data *data);
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void (*this_layer_down)(struct pppcp_data *data);
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void (*this_layer_started)(struct pppcp_data *data);
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void (*this_layer_finished)(struct pppcp_data *data);
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enum option_rval (*option_scan)(struct ppp_option *option,
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gpointer user_data);
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void (*option_process)(gpointer option, gpointer user_data);
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};
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struct pppcp_packet {
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guint8 code;
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guint8 identifier;
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guint16 length;
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guint8 data[0];
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} __attribute__((packed));
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2010-03-25 03:26:28 +00:00
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struct pppcp_timer_data {
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struct pppcp_data *data;
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2010-03-23 00:05:57 +00:00
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guint restart_counter;
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guint restart_interval;
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2010-03-25 03:26:28 +00:00
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guint max_counter;
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guint restart_timer;
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};
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2010-03-25 17:59:34 +00:00
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struct pppcp_protocol_data {
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guint16 proto;
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const char *prefix;
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gpointer priv;
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GAtPPP *ppp;
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};
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2010-03-25 03:26:28 +00:00
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struct pppcp_data {
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enum pppcp_state state;
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struct pppcp_timer_data config_timer_data;
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struct pppcp_timer_data terminate_timer_data;
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2010-03-23 00:05:57 +00:00
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guint max_failure;
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guint32 magic_number;
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GQueue *event_queue;
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GList *config_options;
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GList *acceptable_options;
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GList *unacceptable_options;
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GList *rejected_options;
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GList *applied_options;
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GAtPPP *ppp;
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guint8 identifier; /* don't think I need this now */
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guint8 config_identifier;
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guint8 terminate_identifier;
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guint8 reject_identifier;
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struct pppcp_action *action;
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guint16 valid_codes;
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guint8 (*packet_ops[11])(struct pppcp_data *data,
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struct pppcp_packet *packet);
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void (*event_ops[16])(struct pppcp_data *data, guint8 *packet,
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guint length);
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gpointer priv;
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guint16 proto;
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2010-03-25 17:59:34 +00:00
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const char *prefix;
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2010-03-23 00:05:57 +00:00
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};
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2010-03-25 17:59:34 +00:00
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struct pppcp_data *pppcp_new(struct pppcp_protocol_data *proto_data);
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2010-03-23 00:05:57 +00:00
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void pppcp_free(struct pppcp_data *data);
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void pppcp_add_config_option(struct pppcp_data *data,
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struct ppp_option *option);
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void pppcp_set_valid_codes(struct pppcp_data *data, guint16 codes);
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void pppcp_generate_event(struct pppcp_data *data,
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enum pppcp_event_type event_type,
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gpointer event_data, guint data_len);
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void pppcp_process_packet(gpointer priv, guint8 *new_packet);
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