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[IPV6]: ROUTE: Add accept_ra_rtr_pref sysctl.

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Signed-off-by: YOSHIFUJI Hideaki <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
YOSHIFUJI Hideaki 2006-03-20 17:05:30 -08:00 • committed by David S. Miller
commit 930d6ff2e2
5 changed files with 32 additions and 1 deletions
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19
net/ipv6/addrconf.c
View file

@ -167,6 +167,9 @@ struct ipv6_devconf ipv6_devconf = {
.max_addresses = IPV6_MAX_ADDRESSES,
.accept_ra_defrtr = 1,
.accept_ra_pinfo = 1,
#ifdef CONFIG_IPV6_ROUTER_PREF
.accept_ra_rtr_pref = 1,
#endif
};
static struct ipv6_devconf ipv6_devconf_dflt = {
@ -190,6 +193,9 @@ static struct ipv6_devconf ipv6_devconf_dflt = {
.max_addresses = IPV6_MAX_ADDRESSES,
.accept_ra_defrtr = 1,
.accept_ra_pinfo = 1,
#ifdef CONFIG_IPV6_ROUTER_PREF
.accept_ra_rtr_pref = 1,
#endif
};
/* IPv6 Wildcard Address and Loopback Address defined by RFC2553 */
@ -3122,6 +3128,9 @@ static void inline ipv6_store_devconf(struct ipv6_devconf *cnf,
array[DEVCONF_MAX_ADDRESSES] = cnf->max_addresses;
array[DEVCONF_ACCEPT_RA_DEFRTR] = cnf->accept_ra_defrtr;
array[DEVCONF_ACCEPT_RA_PINFO] = cnf->accept_ra_pinfo;
#ifdef CONFIG_IPV6_ROUTER_PREF
array[DEVCONF_ACCEPT_RA_RTR_PREF] = cnf->accept_ra_rtr_pref;
#endif
}
static int inet6_fill_ifinfo(struct sk_buff *skb, struct inet6_dev *idev,
@ -3590,6 +3599,16 @@ static struct addrconf_sysctl_table
.mode = 0644,
.proc_handler = &proc_dointvec,
},
#ifdef CONFIG_IPV6_ROUTER_PREF
{
.ctl_name = NET_IPV6_ACCEPT_RA_RTR_PREF,
.procname = "accept_ra_rtr_pref",
.data = &ipv6_devconf.accept_ra_rtr_pref,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = &proc_dointvec,
},
#endif
{
.ctl_name = 0, /* sentinel */
}

3
net/ipv6/ndisc.c
View file

@ -1090,7 +1090,8 @@ static void ndisc_router_discovery(struct sk_buff *skb)
#ifdef CONFIG_IPV6_ROUTER_PREF
pref = ra_msg->icmph.icmp6_router_pref;
/* 10b is handled as if it were 00b (medium) */
if (pref == ICMPV6_ROUTER_PREF_INVALID)
if (pref == ICMPV6_ROUTER_PREF_INVALID ||
in6_dev->cnf.accept_ra_rtr_pref)
pref = ICMPV6_ROUTER_PREF_MEDIUM;
#endif