* @ccid_id: numerical CCID ID (up to %CCID_MAX, cf. table 5 in RFC 4340, 10.)
* @ccid_ccmps: the CCMPS including network/transport headers (0 when disabled)
* @ccid_name: alphabetical identifier string for @ccid_id
- * @ccid_owner: module which implements/owns this CCID
* @ccid_hc_{r,t}x_slab: memory pool for the receiver/sender half-connection
* @ccid_hc_{r,t}x_obj_size: size of the receiver/sender half-connection socket
*
unsigned char ccid_id;
__u32 ccid_ccmps;
const char *ccid_name;
- struct module *ccid_owner;
struct kmem_cache *ccid_hc_rx_slab,
*ccid_hc_tx_slab;
__u32 ccid_hc_rx_obj_size,
void (*ccid_hc_tx_exit)(struct sock *sk);
void (*ccid_hc_rx_packet_recv)(struct sock *sk,
struct sk_buff *skb);
- int (*ccid_hc_rx_parse_options)(struct sock *sk, u8 pkt,
- u8 opt, u8 *val, u8 len);
+ int (*ccid_hc_rx_parse_options)(struct sock *sk,
+ unsigned char option,
+ unsigned char len, u16 idx,
+ unsigned char* value);
int (*ccid_hc_rx_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, u8 pkt,
- u8 opt, u8 *val, u8 len);
+ 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);
void (*ccid_hc_tx_packet_sent)(struct sock *sk,
int __user *optlen);
};
-extern int ccid_register(struct ccid_operations *ccid_ops);
-extern int ccid_unregister(struct ccid_operations *ccid_ops);
+extern struct ccid_operations ccid2_ops;
+#ifdef CONFIG_IP_DCCP_CCID3
+extern struct ccid_operations ccid3_ops;
+#endif
+
+extern int ccid_initialize_builtins(void);
+extern void ccid_cleanup_builtins(void);
struct ccid {
struct ccid_operations *ccid_ops;
extern int ccid_getsockopt_builtin_ccids(struct sock *sk, int len,
char __user *, int __user *);
-extern int ccid_request_modules(u8 const *ccid_array, u8 array_len);
-extern struct ccid *ccid_new(unsigned char id, struct sock *sk, int rx,
- gfp_t gfp);
+extern struct ccid *ccid_new(const u8 id, struct sock *sk, bool rx);
static inline int ccid_get_current_rx_ccid(struct dccp_sock *dp)
{
ccid->ccid_ops->ccid_hc_tx_packet_recv(sk, skb);
}
-/**
- * ccid_hc_tx_parse_options - Parse CCID-specific options sent by the receiver
- * @pkt: type of packet that @opt appears on (RFC 4340, 5.1)
- * @opt: the CCID-specific option type (RFC 4340, 5.8 and 10.3)
- * @val: value of @opt
- * @len: length of @val in bytes
- */
static inline int ccid_hc_tx_parse_options(struct ccid *ccid, struct sock *sk,
- u8 pkt, u8 opt, u8 *val, u8 len)
+ unsigned char option,
+ unsigned char len, u16 idx,
+ unsigned char* value)
{
- if (ccid->ccid_ops->ccid_hc_tx_parse_options == NULL)
- return 0;
- return ccid->ccid_ops->ccid_hc_tx_parse_options(sk, pkt, opt, val, len);
+ int rc = 0;
+ if (ccid->ccid_ops->ccid_hc_tx_parse_options != NULL)
+ rc = ccid->ccid_ops->ccid_hc_tx_parse_options(sk, option, len, idx,
+ value);
+ return rc;
}
-/**
- * ccid_hc_rx_parse_options - Parse CCID-specific options sent by the sender
- * Arguments are analogous to ccid_hc_tx_parse_options()
- */
static inline int ccid_hc_rx_parse_options(struct ccid *ccid, struct sock *sk,
- u8 pkt, u8 opt, u8 *val, u8 len)
+ unsigned char option,
+ unsigned char len, u16 idx,
+ unsigned char* value)
{
- if (ccid->ccid_ops->ccid_hc_rx_parse_options == NULL)
- return 0;
- return ccid->ccid_ops->ccid_hc_rx_parse_options(sk, pkt, opt, val, len);
+ int rc = 0;
+ if (ccid->ccid_ops->ccid_hc_rx_parse_options != NULL)
+ rc = ccid->ccid_ops->ccid_hc_rx_parse_options(sk, option, len, idx, value);
+ return rc;
}
static inline int ccid_hc_rx_insert_options(struct ccid *ccid, struct sock *sk,