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[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>
This commit is contained in:
Andrew Hendry 2007-02-08 13:34:36 -08:00 committed by David S. Miller
parent 95a9dc4390
commit 39e21c0d34
4 changed files with 14 additions and 2 deletions
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3
include/linux/sysctl.h
View File

@ -699,7 +699,8 @@ enum {
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 */

1
include/net/x25.h
View File

@ -180,6 +180,7 @@ extern int sysctl_x25_call_request_timeout;
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 *);

4
net/x25/af_x25.c
View File

@ -63,6 +63,7 @@ int sysctl_x25_call_request_timeout = X25_DEFAULT_T21;
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 @@ int x25_rx_call_request(struct sk_buff *skb, struct x25_neigh *nb,
*/
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);

8
net/x25/sysctl_net_x25.c
View File

@ -73,6 +73,14 @@ static struct ctl_table x25_table[] = {
.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, },
};