[DCCP]: Introduce a consistent naming scheme for sysctls

In order to make their function clearer and obtain a consistent naming
scheme to identify sysctls, all existing DCCP sysctls have been prefixed
with `sysctl_dccp', following the same convention as used by TCP.

Feature-specific sysctls retain the `feat' in the middle, although the
`default' has been dropped, since it is obvious from use.

Also removed a duplicate `dccp_feat_default_sequence_window' in ipv4.c.

Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
diff --git a/net/dccp/sysctl.c b/net/dccp/sysctl.c
index 7b09f21..8b62061 100644
--- a/net/dccp/sysctl.c
+++ b/net/dccp/sysctl.c
@@ -22,48 +22,48 @@
 	{
 		.ctl_name	= NET_DCCP_DEFAULT_SEQ_WINDOW,
 		.procname	= "seq_window",
-		.data		= &dccp_feat_default_sequence_window,
-		.maxlen		= sizeof(dccp_feat_default_sequence_window),
+		.data		= &sysctl_dccp_feat_sequence_window,
+		.maxlen		= sizeof(sysctl_dccp_feat_sequence_window),
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec,
 	},
 	{
 		.ctl_name	= NET_DCCP_DEFAULT_RX_CCID,
 		.procname	= "rx_ccid",
-		.data		= &dccp_feat_default_rx_ccid,
-		.maxlen		= sizeof(dccp_feat_default_rx_ccid),
+		.data		= &sysctl_dccp_feat_rx_ccid,
+		.maxlen		= sizeof(sysctl_dccp_feat_rx_ccid),
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec,
 	},
 	{
 		.ctl_name	= NET_DCCP_DEFAULT_TX_CCID,
 		.procname	= "tx_ccid",
-		.data		= &dccp_feat_default_tx_ccid,
-		.maxlen		= sizeof(dccp_feat_default_tx_ccid),
+		.data		= &sysctl_dccp_feat_tx_ccid,
+		.maxlen		= sizeof(sysctl_dccp_feat_tx_ccid),
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec,
 	},
 	{
 		.ctl_name	= NET_DCCP_DEFAULT_ACK_RATIO,
 		.procname	= "ack_ratio",
-		.data		= &dccp_feat_default_ack_ratio,
-		.maxlen		= sizeof(dccp_feat_default_ack_ratio),
+		.data		= &sysctl_dccp_feat_ack_ratio,
+		.maxlen		= sizeof(sysctl_dccp_feat_ack_ratio),
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec,
 	},
 	{
 		.ctl_name	= NET_DCCP_DEFAULT_SEND_ACKVEC,
 		.procname	= "send_ackvec",
-		.data		= &dccp_feat_default_send_ack_vector,
-		.maxlen		= sizeof(dccp_feat_default_send_ack_vector),
+		.data		= &sysctl_dccp_feat_send_ack_vector,
+		.maxlen		= sizeof(sysctl_dccp_feat_send_ack_vector),
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec,
 	},
 	{
 		.ctl_name	= NET_DCCP_DEFAULT_SEND_NDP,
 		.procname	= "send_ndp",
-		.data		= &dccp_feat_default_send_ndp_count,
-		.maxlen		= sizeof(dccp_feat_default_send_ndp_count),
+		.data		= &sysctl_dccp_feat_send_ndp_count,
+		.maxlen		= sizeof(sysctl_dccp_feat_send_ndp_count),
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec,
 	},