For faster restart and TFRCbis we need to pass socket options down to
CCIDs. Add framework in for this.
Signed-off-by: Ian McDonald <ian.mcdonald@xxxxxxxxxxx>
---
diff --git a/net/dccp/ccid.h b/net/dccp/ccid.h
index c65cb24..65f91ba 100644
--- a/net/dccp/ccid.h
+++ b/net/dccp/ccid.h
@@ -65,6 +65,11 @@ struct ccid_operations {
const int optname, int len,
u32 __user *optval,
int __user *optlen);
+ int (*ccid_hc_rx_setsockopt)(struct sock *sk,
+ const int optname, int val, int optlen);
+ int (*ccid_hc_tx_setsockopt)(struct sock *sk,
+ const int optname, int val, int optlen);
+
};
extern int ccid_register(struct ccid_operations *ccid_ops);
@@ -187,4 +192,24 @@ static inline int ccid_hc_tx_getsockopt(struct ccid
*ccid, struct sock *sk,
optval, optlen);
return rc;
}
+
+static inline int ccid_hc_rx_setsockopt(struct ccid*ccid, struct sock *sk,
+ const int optname, int val, int optlen)
+{
+ int rc = -ENOPROTOOPT;
+ if (ccid->ccid_ops->ccid_hc_rx_setsockopt != NULL)
+ rc = ccid->ccid_ops->ccid_hc_rx_setsockopt(sk, optname,
+ val, optlen);
+ return rc;
+}
+
+static inline int ccid_hc_tx_setsockopt(struct ccid*ccid, struct sock *sk,
+ const int optname, int val, int optlen)
+{
+ int rc = -ENOPROTOOPT;
+ if (ccid->ccid_ops->ccid_hc_tx_setsockopt != NULL)
+ rc = ccid->ccid_ops->ccid_hc_tx_setsockopt(sk, optname,
+ val, optlen);
+ return rc;
+}
#endif /* _CCID_H */
diff --git a/net/dccp/proto.c b/net/dccp/proto.c
index fc5ffae..bd81176 100644
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -526,6 +526,14 @@ static int do_dccp_setsockopt(struct sock *sk, int level,
int optname,
* ChangeL(MinimumChecksumCoverage, val) */
}
break;
+ case 128 ... 191:
+ err = ccid_hc_rx_setsockopt(dp->dccps_hc_rx_ccid, sk, optname,
+ val, optlen);
+ break;
+ case 192 ... 255:
+ err = ccid_hc_tx_setsockopt(dp->dccps_hc_tx_ccid, sk, optname,
+ val, optlen);
+ break;
default:
err = -ENOPROTOOPT;
break;
-
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