[X.25]: Adds /proc/sys/net/x25/x25_forward to control forwarding.
echo "1" > /proc/sys/net/x25/x25_forward
To turn on x25_forwarding, defaults to off
Requires the previous patch.
Signed-off-by: Andrew Hendry <andrew.hendry@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 81480e6..665412c 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -699,7 +699,8 @@
NET_X25_CALL_REQUEST_TIMEOUT=2,
NET_X25_RESET_REQUEST_TIMEOUT=3,
NET_X25_CLEAR_REQUEST_TIMEOUT=4,
- NET_X25_ACK_HOLD_BACK_TIMEOUT=5
+ NET_X25_ACK_HOLD_BACK_TIMEOUT=5,
+ NET_X25_FORWARD=6
};
/* /proc/sys/net/token-ring */
diff --git a/include/net/x25.h b/include/net/x25.h
index 3b11905..fc3f03d 100644
--- a/include/net/x25.h
+++ b/include/net/x25.h
@@ -180,6 +180,7 @@
extern int sysctl_x25_reset_request_timeout;
extern int sysctl_x25_clear_request_timeout;
extern int sysctl_x25_ack_holdback_timeout;
+extern int sysctl_x25_forward;
extern int x25_addr_ntoa(unsigned char *, struct x25_address *,
struct x25_address *);
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index 0872025..b37d894 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -63,6 +63,7 @@
int sysctl_x25_reset_request_timeout = X25_DEFAULT_T22;
int sysctl_x25_clear_request_timeout = X25_DEFAULT_T23;
int sysctl_x25_ack_holdback_timeout = X25_DEFAULT_T2;
+int sysctl_x25_forward = 0;
HLIST_HEAD(x25_list);
DEFINE_RWLOCK(x25_list_lock);
@@ -884,7 +885,8 @@
*/
if (sk == NULL) {
skb_push(skb, addr_len + X25_STD_MIN_LEN);
- if (x25_forward_call(&dest_addr, nb, skb, lci) > 0)
+ if (sysctl_x25_forward &&
+ x25_forward_call(&dest_addr, nb, skb, lci) > 0)
{
/* Call was forwarded, dont process it any more */
kfree_skb(skb);
diff --git a/net/x25/sysctl_net_x25.c b/net/x25/sysctl_net_x25.c
index aabda59..2b2e7fd 100644
--- a/net/x25/sysctl_net_x25.c
+++ b/net/x25/sysctl_net_x25.c
@@ -73,6 +73,14 @@
.extra1 = &min_timer,
.extra2 = &max_timer,
},
+ {
+ .ctl_name = NET_X25_FORWARD,
+ .procname = "x25_forward",
+ .data = &sysctl_x25_forward,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec,
+ },
{ 0, },
};