*/
#include <net/sock.h>
+#include <linux/compiler.h>
#include <linux/dccp.h>
#include <linux/list.h>
#include <linux/module.h>
#define CCID_MAX 255
+struct tcp_info;
+
struct ccid {
unsigned char ccid_id;
const char *ccid_name;
int (*ccid_hc_tx_init)(struct sock *sk);
void (*ccid_hc_rx_exit)(struct sock *sk);
void (*ccid_hc_tx_exit)(struct sock *sk);
- void (*ccid_hc_rx_packet_recv)(struct sock *sk, struct sk_buff *skb);
+ void (*ccid_hc_rx_packet_recv)(struct sock *sk,
+ struct sk_buff *skb);
int (*ccid_hc_rx_parse_options)(struct sock *sk,
unsigned char option,
unsigned char len, u16 idx,
unsigned char* value);
- void (*ccid_hc_rx_insert_options)(struct sock *sk, struct sk_buff *skb);
- void (*ccid_hc_tx_insert_options)(struct sock *sk, struct sk_buff *skb);
- void (*ccid_hc_tx_packet_recv)(struct sock *sk, struct sk_buff *skb);
+ void (*ccid_hc_rx_insert_options)(struct sock *sk,
+ struct sk_buff *skb);
+ void (*ccid_hc_tx_insert_options)(struct sock *sk,
+ struct sk_buff *skb);
+ void (*ccid_hc_tx_packet_recv)(struct sock *sk,
+ struct sk_buff *skb);
int (*ccid_hc_tx_parse_options)(struct sock *sk,
unsigned char option,
unsigned char len, u16 idx,
unsigned char* value);
int (*ccid_hc_tx_send_packet)(struct sock *sk,
struct sk_buff *skb, int len);
- void (*ccid_hc_tx_packet_sent)(struct sock *sk, int more, int len);
+ void (*ccid_hc_tx_packet_sent)(struct sock *sk, int more,
+ int len);
+ void (*ccid_hc_rx_get_info)(struct sock *sk,
+ struct tcp_info *info);
+ void (*ccid_hc_tx_get_info)(struct sock *sk,
+ struct tcp_info *info);
+ int (*ccid_hc_rx_getsockopt)(struct sock *sk,
+ const int optname, int len,
+ u32 __user *optval,
+ int __user *optlen);
+ int (*ccid_hc_tx_getsockopt)(struct sock *sk,
+ const int optname, int len,
+ u32 __user *optval,
+ int __user *optlen);
};
extern int ccid_register(struct ccid *ccid);
static inline void ccid_hc_rx_exit(struct ccid *ccid, struct sock *sk)
{
- if (ccid->ccid_hc_rx_exit != NULL)
+ if (ccid != NULL && ccid->ccid_hc_rx_exit != NULL &&
+ dccp_sk(sk)->dccps_hc_rx_ccid_private != NULL)
ccid->ccid_hc_rx_exit(sk);
}
static inline void ccid_hc_tx_exit(struct ccid *ccid, struct sock *sk)
{
- if (ccid->ccid_hc_tx_exit != NULL)
+ if (ccid != NULL && ccid->ccid_hc_tx_exit != NULL &&
+ dccp_sk(sk)->dccps_hc_tx_ccid_private != NULL)
ccid->ccid_hc_tx_exit(sk);
}
{
int rc = 0;
if (ccid->ccid_hc_tx_parse_options != NULL)
- rc = ccid->ccid_hc_tx_parse_options(sk, option, len, idx, value);
+ rc = ccid->ccid_hc_tx_parse_options(sk, option, len, idx,
+ value);
return rc;
}
if (ccid->ccid_hc_rx_insert_options != NULL)
ccid->ccid_hc_rx_insert_options(sk, skb);
}
+
+static inline void ccid_hc_rx_get_info(struct ccid *ccid, struct sock *sk,
+ struct tcp_info *info)
+{
+ if (ccid->ccid_hc_rx_get_info != NULL)
+ ccid->ccid_hc_rx_get_info(sk, info);
+}
+
+static inline void ccid_hc_tx_get_info(struct ccid *ccid, struct sock *sk,
+ struct tcp_info *info)
+{
+ if (ccid->ccid_hc_tx_get_info != NULL)
+ ccid->ccid_hc_tx_get_info(sk, info);
+}
+
+static inline int ccid_hc_rx_getsockopt(struct ccid *ccid, struct sock *sk,
+ const int optname, int len,
+ u32 __user *optval, int __user *optlen)
+{
+ int rc = -ENOPROTOOPT;
+ if (ccid->ccid_hc_rx_getsockopt != NULL)
+ rc = ccid->ccid_hc_rx_getsockopt(sk, optname, len,
+ optval, optlen);
+ return rc;
+}
+
+static inline int ccid_hc_tx_getsockopt(struct ccid *ccid, struct sock *sk,
+ const int optname, int len,
+ u32 __user *optval, int __user *optlen)
+{
+ int rc = -ENOPROTOOPT;
+ if (ccid->ccid_hc_tx_getsockopt != NULL)
+ rc = ccid->ccid_hc_tx_getsockopt(sk, optname, len,
+ optval, optlen);
+ return rc;
+}
#endif /* _CCID_H */