1 files changed, 23 insertions, 23 deletions

diff --git a/net/dccp/ccid.h b/net/dccp/ccid.h
index 6df6f8ac9636..6d16a9070ff0 100644
--- a/net/dccp/ccid.h
+++ b/net/dccp/ccid.h
@@ -62,18 +62,14 @@ struct ccid_operations {
         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,
-                                                    unsigned char option,
-                                                    unsigned char len, u16 idx,
-                                                    unsigned char* value);
+        int             (*ccid_hc_rx_parse_options)(struct sock *sk, u8 pkt,
+                                                    u8 opt, u8 *val, u8 len);
         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,
-                                                    unsigned char option,
-                                                    unsigned char len, u16 idx,
-                                                    unsigned char* value);
+        int             (*ccid_hc_tx_parse_options)(struct sock *sk, u8 pkt,
+                                                    u8 opt, u8 *val, u8 len);
         int             (*ccid_hc_tx_send_packet)(struct sock *sk,
                                                   struct sk_buff *skb);
         void            (*ccid_hc_tx_packet_sent)(struct sock *sk,
@@ -168,27 +164,31 @@ static inline void ccid_hc_tx_packet_recv(struct ccid *ccid, struct sock *sk,
                 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,
-                                           unsigned char option,
-                                           unsigned char len, u16 idx,
-                                           unsigned char* value)
+                                           u8 pkt, u8 opt, u8 *val, u8 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;
+        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);
 }
 
+/**
+ * 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,
-                                           unsigned char option,
-                                           unsigned char len, u16 idx,
-                                           unsigned char* value)
+                                           u8 pkt, u8 opt, u8 *val, u8 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;
+        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);
 }
 
 static inline int ccid_hc_rx_insert_options(struct ccid *ccid, struct sock *sk,