6 * An implementation of the DCCP protocol
7 * Arnaldo Carvalho de Melo <acme@conectiva.com.br>
11 * This program is free software; you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License version 2 as
13 * published by the Free Software Foundation.
17 #include <linux/dccp.h>
18 #include <linux/list.h>
19 #include <linux/module.h>
24 unsigned char ccid_id;
25 const char *ccid_name;
26 struct module *ccid_owner;
27 int (*ccid_init)(struct sock *sk);
28 void (*ccid_exit)(struct sock *sk);
29 int (*ccid_hc_rx_init)(struct sock *sk);
30 int (*ccid_hc_tx_init)(struct sock *sk);
31 void (*ccid_hc_rx_exit)(struct sock *sk);
32 void (*ccid_hc_tx_exit)(struct sock *sk);
33 void (*ccid_hc_rx_packet_recv)(struct sock *sk,
35 int (*ccid_hc_rx_parse_options)(struct sock *sk,
37 unsigned char len, u16 idx,
38 unsigned char* value);
39 void (*ccid_hc_rx_insert_options)(struct sock *sk,
41 void (*ccid_hc_tx_insert_options)(struct sock *sk,
43 void (*ccid_hc_tx_packet_recv)(struct sock *sk,
45 int (*ccid_hc_tx_parse_options)(struct sock *sk,
47 unsigned char len, u16 idx,
48 unsigned char* value);
49 int (*ccid_hc_tx_send_packet)(struct sock *sk,
50 struct sk_buff *skb, int len);
51 void (*ccid_hc_tx_packet_sent)(struct sock *sk, int more,
55 extern int ccid_register(struct ccid *ccid);
56 extern int ccid_unregister(struct ccid *ccid);
58 extern struct ccid *ccid_init(unsigned char id, struct sock *sk);
59 extern void ccid_exit(struct ccid *ccid, struct sock *sk);
61 static inline void __ccid_get(struct ccid *ccid)
63 __module_get(ccid->ccid_owner);
66 static inline int ccid_hc_tx_send_packet(struct ccid *ccid, struct sock *sk,
67 struct sk_buff *skb, int len)
70 if (ccid->ccid_hc_tx_send_packet != NULL)
71 rc = ccid->ccid_hc_tx_send_packet(sk, skb, len);
75 static inline void ccid_hc_tx_packet_sent(struct ccid *ccid, struct sock *sk,
78 if (ccid->ccid_hc_tx_packet_sent != NULL)
79 ccid->ccid_hc_tx_packet_sent(sk, more, len);
82 static inline int ccid_hc_rx_init(struct ccid *ccid, struct sock *sk)
85 if (ccid->ccid_hc_rx_init != NULL)
86 rc = ccid->ccid_hc_rx_init(sk);
90 static inline int ccid_hc_tx_init(struct ccid *ccid, struct sock *sk)
93 if (ccid->ccid_hc_tx_init != NULL)
94 rc = ccid->ccid_hc_tx_init(sk);
98 static inline void ccid_hc_rx_exit(struct ccid *ccid, struct sock *sk)
100 if (ccid->ccid_hc_rx_exit != NULL)
101 ccid->ccid_hc_rx_exit(sk);
104 static inline void ccid_hc_tx_exit(struct ccid *ccid, struct sock *sk)
106 if (ccid->ccid_hc_tx_exit != NULL)
107 ccid->ccid_hc_tx_exit(sk);
110 static inline void ccid_hc_rx_packet_recv(struct ccid *ccid, struct sock *sk,
113 if (ccid->ccid_hc_rx_packet_recv != NULL)
114 ccid->ccid_hc_rx_packet_recv(sk, skb);
117 static inline void ccid_hc_tx_packet_recv(struct ccid *ccid, struct sock *sk,
120 if (ccid->ccid_hc_tx_packet_recv != NULL)
121 ccid->ccid_hc_tx_packet_recv(sk, skb);
124 static inline int ccid_hc_tx_parse_options(struct ccid *ccid, struct sock *sk,
125 unsigned char option,
126 unsigned char len, u16 idx,
127 unsigned char* value)
130 if (ccid->ccid_hc_tx_parse_options != NULL)
131 rc = ccid->ccid_hc_tx_parse_options(sk, option, len, idx,
136 static inline int ccid_hc_rx_parse_options(struct ccid *ccid, struct sock *sk,
137 unsigned char option,
138 unsigned char len, u16 idx,
139 unsigned char* value)
142 if (ccid->ccid_hc_rx_parse_options != NULL)
143 rc = ccid->ccid_hc_rx_parse_options(sk, option, len, idx, value);
147 static inline void ccid_hc_tx_insert_options(struct ccid *ccid, struct sock *sk,
150 if (ccid->ccid_hc_tx_insert_options != NULL)
151 ccid->ccid_hc_tx_insert_options(sk, skb);
154 static inline void ccid_hc_rx_insert_options(struct ccid *ccid, struct sock *sk,
157 if (ccid->ccid_hc_rx_insert_options != NULL)
158 ccid->ccid_hc_rx_insert_options(sk, skb);