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[DCCP]: Introduce CCID getsockopt for the CCIDs

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Allocation for the optnames is similar to the DCCP options, with a
range for rx and tx half connection CCIDs.

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arnaldo Carvalho de Melo
2005-09-18 00:19:32 -07:00
committed by David S. Miller
parent 561713cf47
commit 88f964db6e
4 changed files with 100 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files
net/dccp/ccid.h
+31
View File
@@ -14,6 +14,7 @@
*/
#include <net/sock.h>
#include <linux/compiler.h>
#include <linux/dccp.h>
#include <linux/list.h>
#include <linux/module.h>
@@ -54,6 +55,14 @@ struct ccid {
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);
@@ -177,4 +186,26 @@ static inline void ccid_hc_tx_get_info(struct ccid *ccid, struct sock *sk,
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 */