I have pulled this out - this patch also applies to the latest netdev-2.6 with
minor
offsets and is from
http://www.mail-archive.com/[email protected]/msg02081.html
---------------------> Patch <------------------------------------------------
[DCCP]: Collect all scattered sysctl variables into sysctl.c
This
1. organizes the sysctl variables which are scattered over many DCCP source
files into sysctl.c - so that they can easier be found;
2. wraps the compilation of the CONFIG_SYSCTL part into a conditional define
- if not enabled, then only the variables will be `compiled';
3. shortens the definitions of init/exit dummy functions in the header file.
Hence mainly a tidy-up action. Code was found to compile and work
cleanly with various Kconfig configurations for SYSCTL.
Signed-off-by: Gerrit Renker <[EMAIL PROTECTED]>
Signed-off-by: Ian McDonald <[EMAIL PROTECTED]>
---
net/dccp/Makefile | 5 ++---
net/dccp/dccp.h | 10 ++--------
net/dccp/options.c | 7 -------
net/dccp/proto.c | 3 ---
net/dccp/sysctl.c | 20 +++++++++++++++++---
net/dccp/timer.c | 5 -----
6 files changed, 21 insertions(+), 29 deletions(-)
--- a/net/dccp/timer.c
+++ b/net/dccp/timer.c
@@ -15,11 +15,6 @@
#include "dccp.h"
-/* sysctl variables governing numbers of retransmission attempts */
-int sysctl_dccp_request_retries __read_mostly = TCP_SYN_RETRIES;
-int sysctl_dccp_retries1 __read_mostly = TCP_RETR1;
-int sysctl_dccp_retries2 __read_mostly = TCP_RETR2;
-
static void dccp_write_err(struct sock *sk)
{
sk->sk_err = sk->sk_err_soft ? : ETIMEDOUT;
--- a/net/dccp/sysctl.c
+++ b/net/dccp/sysctl.c
@@ -14,13 +14,26 @@
#include "dccp.h"
#include "feat.h"
-#ifndef CONFIG_SYSCTL
-#error This file should not be compiled without CONFIG_SYSCTL defined
-#endif
+/* sysctls related to initialisation of option values */
+int sysctl_dccp_feat_sequence_window = DCCPF_INITIAL_SEQUENCE_WINDOW;
+int sysctl_dccp_feat_rx_ccid = DCCPF_INITIAL_CCID;
+int sysctl_dccp_feat_tx_ccid = DCCPF_INITIAL_CCID;
+int sysctl_dccp_feat_ack_ratio = DCCPF_INITIAL_ACK_RATIO;
+int sysctl_dccp_feat_send_ack_vector = DCCPF_INITIAL_SEND_ACK_VECTOR;
+int sysctl_dccp_feat_send_ndp_count = DCCPF_INITIAL_SEND_NDP_COUNT;
+
+/* the maximum queue length for tx in packets. 0 is no limit */
+int sysctl_dccp_tx_qlen __read_mostly = 5;
+
+/* sysctl variables governing numbers of retransmission attempts */
+int sysctl_dccp_request_retries __read_mostly = TCP_SYN_RETRIES;
+int sysctl_dccp_retries1 __read_mostly = TCP_RETR1;
+int sysctl_dccp_retries2 __read_mostly = TCP_RETR2;
/* rate-limit for syncs in reply to sequence-invalid packets; RFC 4340, 7.5.4
*/
int sysctl_dccp_sync_ratelimit __read_mostly = HZ / 8;
+#ifdef CONFIG_SYSCTL
static struct ctl_table dccp_default_table[] = {
{
.procname = "seq_window",
@@ -149,3 +162,4 @@ void dccp_sysctl_exit(void)
dccp_table_header = NULL;
}
}
+#endif
--- a/net/dccp/Makefile
+++ b/net/dccp/Makefile
@@ -1,6 +1,7 @@
obj-$(CONFIG_IP_DCCP) += dccp.o dccp_ipv4.o
-dccp-y := ccid.o feat.o input.o minisocks.o options.o output.o proto.o timer.o
+dccp-y := ccid.o feat.o input.o minisocks.o options.o output.o proto.o timer.o
\
+ sysctl.o
dccp_ipv4-y := ipv4.o
@@ -13,8 +14,6 @@ dccp-$(CONFIG_IP_DCCP_ACKVEC) += ackvec.
obj-$(CONFIG_INET_DCCP_DIAG) += dccp_diag.o
obj-$(CONFIG_NET_DCCPPROBE) += dccp_probe.o
-dccp-$(CONFIG_SYSCTL) += sysctl.o
-
dccp_diag-y := diag.o
dccp_probe-y := probe.o
--- a/net/dccp/dccp.h
+++ b/net/dccp/dccp.h
@@ -430,14 +430,8 @@ extern int dccp_insert_option(struct soc
extern int dccp_sysctl_init(void);
extern void dccp_sysctl_exit(void);
#else
-static inline int dccp_sysctl_init(void)
-{
- return 0;
-}
-
-static inline void dccp_sysctl_exit(void)
-{
-}
+#define dccp_sysctl_init(void) (0)
+#define dccp_sysctl_exit(void)
#endif
#endif /* _DCCP_H */
--- a/net/dccp/options.c
+++ b/net/dccp/options.c
@@ -23,13 +23,6 @@
#include "dccp.h"
#include "feat.h"
-int sysctl_dccp_feat_sequence_window = DCCPF_INITIAL_SEQUENCE_WINDOW;
-int sysctl_dccp_feat_rx_ccid = DCCPF_INITIAL_CCID;
-int sysctl_dccp_feat_tx_ccid = DCCPF_INITIAL_CCID;
-int sysctl_dccp_feat_ack_ratio = DCCPF_INITIAL_ACK_RATIO;
-int sysctl_dccp_feat_send_ack_vector = DCCPF_INITIAL_SEND_ACK_VECTOR;
-int sysctl_dccp_feat_send_ndp_count = DCCPF_INITIAL_SEND_NDP_COUNT;
-
static u32 dccp_decode_value_var(const unsigned char *bf, const u8 len)
{
u32 value = 0;
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -52,9 +52,6 @@ struct inet_hashinfo __cacheline_aligned
EXPORT_SYMBOL_GPL(dccp_hashinfo);
-/* the maximum queue length for tx in packets. 0 is no limit */
-int sysctl_dccp_tx_qlen __read_mostly = 5;
-
void dccp_set_state(struct sock *sk, const int state)
{
const int oldstate = sk->sk_state;
-
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