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, struct sk_buff *skb);
34 int (*ccid_hc_rx_parse_options)(struct sock *sk,
36 unsigned char len, u16 idx,
37 unsigned char* value);
38 void (*ccid_hc_rx_insert_options)(struct sock *sk, struct sk_buff *skb);
39 void (*ccid_hc_tx_insert_options)(struct sock *sk, struct sk_buff *skb);
40 void (*ccid_hc_tx_packet_recv)(struct sock *sk, struct sk_buff *skb);
41 int (*ccid_hc_tx_parse_options)(struct sock *sk,
43 unsigned char len, u16 idx,
44 unsigned char* value);
45 int (*ccid_hc_tx_send_packet)(struct sock *sk,
46 struct sk_buff *skb, int len);
47 void (*ccid_hc_tx_packet_sent)(struct sock *sk, int more, int len);
50 extern int ccid_register(struct ccid *ccid);
51 extern int ccid_unregister(struct ccid *ccid);
53 extern struct ccid *ccid_init(unsigned char id, struct sock *sk);
54 extern void ccid_exit(struct ccid *ccid, struct sock *sk);
56 static inline void __ccid_get(struct ccid *ccid)
58 __module_get(ccid->ccid_owner);
61 static inline int ccid_hc_tx_send_packet(struct ccid *ccid, struct sock *sk,
62 struct sk_buff *skb, int len)
65 if (ccid->ccid_hc_tx_send_packet != NULL)
66 rc = ccid->ccid_hc_tx_send_packet(sk, skb, len);
70 static inline void ccid_hc_tx_packet_sent(struct ccid *ccid, struct sock *sk,
73 if (ccid->ccid_hc_tx_packet_sent != NULL)
74 ccid->ccid_hc_tx_packet_sent(sk, more, len);
77 static inline int ccid_hc_rx_init(struct ccid *ccid, struct sock *sk)
80 if (ccid->ccid_hc_rx_init != NULL)
81 rc = ccid->ccid_hc_rx_init(sk);
85 static inline int ccid_hc_tx_init(struct ccid *ccid, struct sock *sk)
88 if (ccid->ccid_hc_tx_init != NULL)
89 rc = ccid->ccid_hc_tx_init(sk);
93 static inline void ccid_hc_rx_exit(struct ccid *ccid, struct sock *sk)
95 if (ccid->ccid_hc_rx_exit != NULL)
96 ccid->ccid_hc_rx_exit(sk);
99 static inline void ccid_hc_tx_exit(struct ccid *ccid, struct sock *sk)
101 if (ccid->ccid_hc_tx_exit != NULL)
102 ccid->ccid_hc_tx_exit(sk);
105 static inline void ccid_hc_rx_packet_recv(struct ccid *ccid, struct sock *sk,
108 if (ccid->ccid_hc_rx_packet_recv != NULL)
109 ccid->ccid_hc_rx_packet_recv(sk, skb);
112 static inline void ccid_hc_tx_packet_recv(struct ccid *ccid, struct sock *sk,
115 if (ccid->ccid_hc_tx_packet_recv != NULL)
116 ccid->ccid_hc_tx_packet_recv(sk, skb);
119 static inline int ccid_hc_tx_parse_options(struct ccid *ccid, struct sock *sk,
120 unsigned char option,
121 unsigned char len, u16 idx,
122 unsigned char* value)
125 if (ccid->ccid_hc_tx_parse_options != NULL)
126 rc = ccid->ccid_hc_tx_parse_options(sk, option, len, idx, value);
130 static inline int ccid_hc_rx_parse_options(struct ccid *ccid, struct sock *sk,
131 unsigned char option,
132 unsigned char len, u16 idx,
133 unsigned char* value)
136 if (ccid->ccid_hc_rx_parse_options != NULL)
137 rc = ccid->ccid_hc_rx_parse_options(sk, option, len, idx, value);
141 static inline void ccid_hc_tx_insert_options(struct ccid *ccid, struct sock *sk,
144 if (ccid->ccid_hc_tx_insert_options != NULL)
145 ccid->ccid_hc_tx_insert_options(sk, skb);
148 static inline void ccid_hc_rx_insert_options(struct ccid *ccid, struct sock *sk,
151 if (ccid->ccid_hc_rx_insert_options != NULL)
152 ccid->ccid_hc_rx_insert_options(sk, skb);