ia64/linux-2.6.18-xen.hg

view net/dccp/ccid.h @ 673:3161879fdf22

[IA64] xencomm: support XENMEM_add_to_physmap and XENMEM_remove_from_phsymap

support XENMEM_add_to_physmap and XENMEM_remove_from_phsymap.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
author Isaku Yamahata <yamahata@valinux.co.jp>
date Tue Sep 16 21:26:15 2008 +0900 (2008-09-16)
parents 831230e53067
children
line source
1 #ifndef _CCID_H
2 #define _CCID_H
3 /*
4 * net/dccp/ccid.h
5 *
6 * An implementation of the DCCP protocol
7 * Arnaldo Carvalho de Melo <acme@conectiva.com.br>
8 *
9 * CCID infrastructure
10 *
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.
14 */
16 #include <net/sock.h>
17 #include <linux/compiler.h>
18 #include <linux/dccp.h>
19 #include <linux/list.h>
20 #include <linux/module.h>
22 #define CCID_MAX 255
24 struct tcp_info;
26 struct ccid_operations {
27 unsigned char ccid_id;
28 const char *ccid_name;
29 struct module *ccid_owner;
30 kmem_cache_t *ccid_hc_rx_slab;
31 __u32 ccid_hc_rx_obj_size;
32 kmem_cache_t *ccid_hc_tx_slab;
33 __u32 ccid_hc_tx_obj_size;
34 int (*ccid_hc_rx_init)(struct ccid *ccid, struct sock *sk);
35 int (*ccid_hc_tx_init)(struct ccid *ccid, struct sock *sk);
36 void (*ccid_hc_rx_exit)(struct sock *sk);
37 void (*ccid_hc_tx_exit)(struct sock *sk);
38 void (*ccid_hc_rx_packet_recv)(struct sock *sk,
39 struct sk_buff *skb);
40 int (*ccid_hc_rx_parse_options)(struct sock *sk,
41 unsigned char option,
42 unsigned char len, u16 idx,
43 unsigned char* value);
44 int (*ccid_hc_rx_insert_options)(struct sock *sk,
45 struct sk_buff *skb);
46 int (*ccid_hc_tx_insert_options)(struct sock *sk,
47 struct sk_buff *skb);
48 void (*ccid_hc_tx_packet_recv)(struct sock *sk,
49 struct sk_buff *skb);
50 int (*ccid_hc_tx_parse_options)(struct sock *sk,
51 unsigned char option,
52 unsigned char len, u16 idx,
53 unsigned char* value);
54 int (*ccid_hc_tx_send_packet)(struct sock *sk,
55 struct sk_buff *skb, int len);
56 void (*ccid_hc_tx_packet_sent)(struct sock *sk, int more,
57 int len);
58 void (*ccid_hc_rx_get_info)(struct sock *sk,
59 struct tcp_info *info);
60 void (*ccid_hc_tx_get_info)(struct sock *sk,
61 struct tcp_info *info);
62 int (*ccid_hc_rx_getsockopt)(struct sock *sk,
63 const int optname, int len,
64 u32 __user *optval,
65 int __user *optlen);
66 int (*ccid_hc_tx_getsockopt)(struct sock *sk,
67 const int optname, int len,
68 u32 __user *optval,
69 int __user *optlen);
70 };
72 extern int ccid_register(struct ccid_operations *ccid_ops);
73 extern int ccid_unregister(struct ccid_operations *ccid_ops);
75 struct ccid {
76 struct ccid_operations *ccid_ops;
77 char ccid_priv[0];
78 };
80 static inline void *ccid_priv(const struct ccid *ccid)
81 {
82 return (void *)ccid->ccid_priv;
83 }
85 extern struct ccid *ccid_new(unsigned char id, struct sock *sk, int rx,
86 gfp_t gfp);
88 extern struct ccid *ccid_hc_rx_new(unsigned char id, struct sock *sk,
89 gfp_t gfp);
90 extern struct ccid *ccid_hc_tx_new(unsigned char id, struct sock *sk,
91 gfp_t gfp);
93 extern void ccid_hc_rx_delete(struct ccid *ccid, struct sock *sk);
94 extern void ccid_hc_tx_delete(struct ccid *ccid, struct sock *sk);
96 static inline int ccid_hc_tx_send_packet(struct ccid *ccid, struct sock *sk,
97 struct sk_buff *skb, int len)
98 {
99 int rc = 0;
100 if (ccid->ccid_ops->ccid_hc_tx_send_packet != NULL)
101 rc = ccid->ccid_ops->ccid_hc_tx_send_packet(sk, skb, len);
102 return rc;
103 }
105 static inline void ccid_hc_tx_packet_sent(struct ccid *ccid, struct sock *sk,
106 int more, int len)
107 {
108 if (ccid->ccid_ops->ccid_hc_tx_packet_sent != NULL)
109 ccid->ccid_ops->ccid_hc_tx_packet_sent(sk, more, len);
110 }
112 static inline void ccid_hc_rx_packet_recv(struct ccid *ccid, struct sock *sk,
113 struct sk_buff *skb)
114 {
115 if (ccid->ccid_ops->ccid_hc_rx_packet_recv != NULL)
116 ccid->ccid_ops->ccid_hc_rx_packet_recv(sk, skb);
117 }
119 static inline void ccid_hc_tx_packet_recv(struct ccid *ccid, struct sock *sk,
120 struct sk_buff *skb)
121 {
122 if (ccid->ccid_ops->ccid_hc_tx_packet_recv != NULL)
123 ccid->ccid_ops->ccid_hc_tx_packet_recv(sk, skb);
124 }
126 static inline int ccid_hc_tx_parse_options(struct ccid *ccid, struct sock *sk,
127 unsigned char option,
128 unsigned char len, u16 idx,
129 unsigned char* value)
130 {
131 int rc = 0;
132 if (ccid->ccid_ops->ccid_hc_tx_parse_options != NULL)
133 rc = ccid->ccid_ops->ccid_hc_tx_parse_options(sk, option, len, idx,
134 value);
135 return rc;
136 }
138 static inline int ccid_hc_rx_parse_options(struct ccid *ccid, struct sock *sk,
139 unsigned char option,
140 unsigned char len, u16 idx,
141 unsigned char* value)
142 {
143 int rc = 0;
144 if (ccid->ccid_ops->ccid_hc_rx_parse_options != NULL)
145 rc = ccid->ccid_ops->ccid_hc_rx_parse_options(sk, option, len, idx, value);
146 return rc;
147 }
149 static inline int ccid_hc_tx_insert_options(struct ccid *ccid, struct sock *sk,
150 struct sk_buff *skb)
151 {
152 if (ccid->ccid_ops->ccid_hc_tx_insert_options != NULL)
153 return ccid->ccid_ops->ccid_hc_tx_insert_options(sk, skb);
154 return 0;
155 }
157 static inline int ccid_hc_rx_insert_options(struct ccid *ccid, struct sock *sk,
158 struct sk_buff *skb)
159 {
160 if (ccid->ccid_ops->ccid_hc_rx_insert_options != NULL)
161 return ccid->ccid_ops->ccid_hc_rx_insert_options(sk, skb);
162 return 0;
163 }
165 static inline void ccid_hc_rx_get_info(struct ccid *ccid, struct sock *sk,
166 struct tcp_info *info)
167 {
168 if (ccid->ccid_ops->ccid_hc_rx_get_info != NULL)
169 ccid->ccid_ops->ccid_hc_rx_get_info(sk, info);
170 }
172 static inline void ccid_hc_tx_get_info(struct ccid *ccid, struct sock *sk,
173 struct tcp_info *info)
174 {
175 if (ccid->ccid_ops->ccid_hc_tx_get_info != NULL)
176 ccid->ccid_ops->ccid_hc_tx_get_info(sk, info);
177 }
179 static inline int ccid_hc_rx_getsockopt(struct ccid *ccid, struct sock *sk,
180 const int optname, int len,
181 u32 __user *optval, int __user *optlen)
182 {
183 int rc = -ENOPROTOOPT;
184 if (ccid->ccid_ops->ccid_hc_rx_getsockopt != NULL)
185 rc = ccid->ccid_ops->ccid_hc_rx_getsockopt(sk, optname, len,
186 optval, optlen);
187 return rc;
188 }
190 static inline int ccid_hc_tx_getsockopt(struct ccid *ccid, struct sock *sk,
191 const int optname, int len,
192 u32 __user *optval, int __user *optlen)
193 {
194 int rc = -ENOPROTOOPT;
195 if (ccid->ccid_ops->ccid_hc_tx_getsockopt != NULL)
196 rc = ccid->ccid_ops->ccid_hc_tx_getsockopt(sk, optname, len,
197 optval, optlen);
198 return rc;
199 }
200 #endif /* _CCID_H */