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/*
* sysctl_net_ipv6.c: sysctl interface to net IPV6 subsystem.
*/
#include <linux/mm.h>
#include <linux/sysctl.h>
#include <linux/config.h>
#include <linux/in6.h>
#include <linux/ipv6.h>
#include <net/ndisc.h>
#include <net/ipv6.h>
#include <net/addrconf.h>
struct ipv6_config ipv6_config =
{
0, /* forwarding */
IPV6_DEFAULT_HOPLIMIT, /* hop limit */
1, /* accept RAs */
1, /* accept redirects */
3, /* nd_max_mcast_solicit */
3, /* nd_max_ucast_solicit */
RETRANS_TIMER, /* nd_retrans_time */
RECHABLE_TIME, /* nd_base_reach_time */
(5 * HZ), /* nd_delay_probe_time */
1, /* autoconfiguration */
1, /* dad transmits */
MAX_RTR_SOLICITATIONS, /* router solicits */
RTR_SOLICITATION_INTERVAL, /* rtr solicit interval */
MAX_RTR_SOLICITATION_DELAY, /* rtr solicit delay */
60*HZ, /* rt cache timeout */
30*HZ, /* rt gc period */
};
#ifdef CONFIG_SYSCTL
int ipv6_sysctl_forwarding(ctl_table *ctl, int write, struct file * filp,
void *buffer, size_t *lenp)
{
int val = ipv6_config.forwarding;
int retv;
retv = proc_dointvec(ctl, write, filp, buffer, lenp);
if (write) {
if (ipv6_config.forwarding && val == 0) {
printk(KERN_DEBUG "sysctl: IPv6 forwarding enabled\n");
ndisc_forwarding_on();
addrconf_forwarding_on();
}
if (ipv6_config.forwarding == 0 && val)
ndisc_forwarding_off();
}
return retv;
}
ctl_table ipv6_table[] = {
{NET_IPV6_FORWARDING, "forwarding",
&ipv6_config.forwarding, sizeof(int), 0644, NULL,
&ipv6_sysctl_forwarding},
{NET_IPV6_HOPLIMIT, "hop_limit",
&ipv6_config.hop_limit, sizeof(int), 0644, NULL,
&proc_dointvec},
{NET_IPV6_ACCEPT_RA, "accept_ra",
&ipv6_config.accept_ra, sizeof(int), 0644, NULL,
&proc_dointvec},
{NET_IPV6_ACCEPT_REDIRECTS, "accept_redirects",
&ipv6_config.accept_redirects, sizeof(int), 0644, NULL,
&proc_dointvec},
{NET_IPV6_ND_MAX_MCAST_SOLICIT, "nd_max_mcast_solicit",
&ipv6_config.nd_max_mcast_solicit, sizeof(int), 0644, NULL,
&proc_dointvec},
{NET_IPV6_ND_MAX_UCAST_SOLICIT, "nd_max_ucast_solicit",
&ipv6_config.nd_max_ucast_solicit, sizeof(int), 0644, NULL,
&proc_dointvec},
{NET_IPV6_ND_RETRANS_TIME, "nd_retrans_time",
&ipv6_config.nd_retrans_time, sizeof(int), 0644, NULL,
&proc_dointvec},
{NET_IPV6_ND_REACHABLE_TIME, "nd_base_reachble_time",
&ipv6_config.nd_base_reachable_time, sizeof(int), 0644, NULL,
&proc_dointvec},
{NET_IPV6_ND_DELAY_PROBE_TIME, "nd_delay_first_probe_time",
&ipv6_config.nd_delay_probe_time, sizeof(int), 0644, NULL,
&proc_dointvec},
{NET_IPV6_AUTOCONF, "autoconf",
&ipv6_config.autoconf, sizeof(int), 0644, NULL,
&proc_dointvec},
{NET_IPV6_DAD_TRANSMITS, "dad_transmits",
&ipv6_config.dad_transmits, sizeof(int), 0644, NULL,
&proc_dointvec},
{NET_IPV6_RTR_SOLICITS, "router_solicitations",
&ipv6_config.rtr_solicits, sizeof(int), 0644, NULL,
&proc_dointvec},
{NET_IPV6_RTR_SOLICIT_INTERVAL, "router_solicitation_interval",
&ipv6_config.rtr_solicit_interval, sizeof(int), 0644, NULL,
&proc_dointvec},
{NET_IPV6_RTR_SOLICIT_DELAY, "router_solicitation_delay",
&ipv6_config.rtr_solicit_delay, sizeof(int), 0644, NULL,
&proc_dointvec},
{0}
};
#ifdef MODULE
static struct ctl_table_header *ipv6_sysctl_header;
static struct ctl_table ipv6_root_table[];
static struct ctl_table ipv6_net_table[];
ctl_table ipv6_root_table[] = {
{CTL_NET, "net", NULL, 0, 0555, ipv6_net_table},
{0}
};
ctl_table ipv6_net_table[] = {
{NET_IPV6, "ipv6", NULL, 0, 0555, ipv6_table},
{0}
};
void ipv6_sysctl_register(void)
{
ipv6_sysctl_header = register_sysctl_table(ipv6_root_table, 0);
}
void ipv6_sysctl_unregister(void)
{
unregister_sysctl_table(ipv6_sysctl_header);
}
#endif /* MODULE */
#endif /* CONFIG_SYSCTL */
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