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Development to this point was done on a subversion repository at: http://oops.ghostprotocols.net:81/cgi-bin/viewcvs.cgi/dccp-2.6/ This repository will be kept at this site for the foreseable future, so that interested parties can see the history of this code, attributions, etc. If I ever decide to take this offline I'll provide the full history at some other suitable place. Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
157 lines
4.4 KiB
C
157 lines
4.4 KiB
C
#ifndef _CCID_H
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#define _CCID_H
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/*
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* net/dccp/ccid.h
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*
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* An implementation of the DCCP protocol
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* Arnaldo Carvalho de Melo <acme@conectiva.com.br>
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*
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* CCID infrastructure
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*
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* This program is free software; you can redistribute it and/or modify it
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* 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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#include <net/sock.h>
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#include <linux/dccp.h>
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#include <linux/list.h>
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#include <linux/module.h>
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#define CCID_MAX 255
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struct ccid {
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unsigned char ccid_id;
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const char *ccid_name;
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struct module *ccid_owner;
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int (*ccid_init)(struct sock *sk);
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void (*ccid_exit)(struct sock *sk);
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int (*ccid_hc_rx_init)(struct sock *sk);
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int (*ccid_hc_tx_init)(struct sock *sk);
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void (*ccid_hc_rx_exit)(struct sock *sk);
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void (*ccid_hc_tx_exit)(struct sock *sk);
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void (*ccid_hc_rx_packet_recv)(struct sock *sk, struct sk_buff *skb);
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int (*ccid_hc_rx_parse_options)(struct sock *sk,
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unsigned char option,
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unsigned char len, u16 idx,
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unsigned char* value);
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void (*ccid_hc_rx_insert_options)(struct sock *sk, struct sk_buff *skb);
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void (*ccid_hc_tx_insert_options)(struct sock *sk, struct sk_buff *skb);
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void (*ccid_hc_tx_packet_recv)(struct sock *sk, struct sk_buff *skb);
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int (*ccid_hc_tx_parse_options)(struct sock *sk,
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unsigned char option,
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unsigned char len, u16 idx,
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unsigned char* value);
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int (*ccid_hc_tx_send_packet)(struct sock *sk,
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struct sk_buff *skb, int len,
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long *delay);
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void (*ccid_hc_tx_packet_sent)(struct sock *sk, int more, int len);
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};
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extern int ccid_register(struct ccid *ccid);
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extern int ccid_unregister(struct ccid *ccid);
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extern struct ccid *ccid_init(unsigned char id, struct sock *sk);
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extern void ccid_exit(struct ccid *ccid, struct sock *sk);
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static inline void __ccid_get(struct ccid *ccid)
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{
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__module_get(ccid->ccid_owner);
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}
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static inline int ccid_hc_tx_send_packet(struct ccid *ccid, struct sock *sk,
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struct sk_buff *skb, int len,
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long *delay)
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{
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int rc = 0;
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if (ccid->ccid_hc_tx_send_packet != NULL)
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rc = ccid->ccid_hc_tx_send_packet(sk, skb, len, delay);
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return rc;
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}
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static inline void ccid_hc_tx_packet_sent(struct ccid *ccid, struct sock *sk,
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int more, int len)
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{
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if (ccid->ccid_hc_tx_packet_sent != NULL)
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ccid->ccid_hc_tx_packet_sent(sk, more, len);
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}
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static inline int ccid_hc_rx_init(struct ccid *ccid, struct sock *sk)
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{
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int rc = 0;
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if (ccid->ccid_hc_rx_init != NULL)
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rc = ccid->ccid_hc_rx_init(sk);
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return rc;
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}
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static inline int ccid_hc_tx_init(struct ccid *ccid, struct sock *sk)
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{
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int rc = 0;
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if (ccid->ccid_hc_tx_init != NULL)
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rc = ccid->ccid_hc_tx_init(sk);
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return rc;
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}
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static inline void ccid_hc_rx_exit(struct ccid *ccid, struct sock *sk)
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{
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if (ccid->ccid_hc_rx_exit != NULL)
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ccid->ccid_hc_rx_exit(sk);
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}
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static inline void ccid_hc_tx_exit(struct ccid *ccid, struct sock *sk)
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{
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if (ccid->ccid_hc_tx_exit != NULL)
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ccid->ccid_hc_tx_exit(sk);
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}
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static inline void ccid_hc_rx_packet_recv(struct ccid *ccid, struct sock *sk,
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struct sk_buff *skb)
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{
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if (ccid->ccid_hc_rx_packet_recv != NULL)
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ccid->ccid_hc_rx_packet_recv(sk, skb);
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}
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static inline void ccid_hc_tx_packet_recv(struct ccid *ccid, struct sock *sk,
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struct sk_buff *skb)
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{
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if (ccid->ccid_hc_tx_packet_recv != NULL)
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ccid->ccid_hc_tx_packet_recv(sk, skb);
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}
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static inline int ccid_hc_tx_parse_options(struct ccid *ccid, struct sock *sk,
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unsigned char option,
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unsigned char len, u16 idx,
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unsigned char* value)
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{
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int rc = 0;
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if (ccid->ccid_hc_tx_parse_options != NULL)
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rc = ccid->ccid_hc_tx_parse_options(sk, option, len, idx, value);
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return rc;
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}
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static inline int ccid_hc_rx_parse_options(struct ccid *ccid, struct sock *sk,
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unsigned char option,
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unsigned char len, u16 idx,
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unsigned char* value)
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{
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int rc = 0;
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if (ccid->ccid_hc_rx_parse_options != NULL)
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rc = ccid->ccid_hc_rx_parse_options(sk, option, len, idx, value);
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return rc;
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}
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static inline void ccid_hc_tx_insert_options(struct ccid *ccid, struct sock *sk,
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struct sk_buff *skb)
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{
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if (ccid->ccid_hc_tx_insert_options != NULL)
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ccid->ccid_hc_tx_insert_options(sk, skb);
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}
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static inline void ccid_hc_rx_insert_options(struct ccid *ccid, struct sock *sk,
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struct sk_buff *skb)
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{
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if (ccid->ccid_hc_rx_insert_options != NULL)
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ccid->ccid_hc_rx_insert_options(sk, skb);
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}
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#endif /* _CCID_H */
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