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Diffstat (limited to 'net/ipv6/addrconf.c')
-rw-r--r--net/ipv6/addrconf.c19
1 files changed, 17 insertions, 2 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index c6a90b7bbb70..3445f8017430 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -241,6 +241,7 @@ static struct ipv6_devconf ipv6_devconf __read_mostly = {
.ioam6_enabled = 0,
.ioam6_id = IOAM6_DEFAULT_IF_ID,
.ioam6_id_wide = IOAM6_DEFAULT_IF_ID_WIDE,
+ .ndisc_evict_nocarrier = 1,
};
static struct ipv6_devconf ipv6_devconf_dflt __read_mostly = {
@@ -300,6 +301,7 @@ static struct ipv6_devconf ipv6_devconf_dflt __read_mostly = {
.ioam6_enabled = 0,
.ioam6_id = IOAM6_DEFAULT_IF_ID,
.ioam6_id_wide = IOAM6_DEFAULT_IF_ID_WIDE,
+ .ndisc_evict_nocarrier = 1,
};
/* Check if link is ready: is it up and is a valid qdisc available */
@@ -2237,12 +2239,12 @@ static int addrconf_ifid_6lowpan(u8 *eui, struct net_device *dev)
static int addrconf_ifid_ieee1394(u8 *eui, struct net_device *dev)
{
- union fwnet_hwaddr *ha;
+ const union fwnet_hwaddr *ha;
if (dev->addr_len != FWNET_ALEN)
return -1;
- ha = (union fwnet_hwaddr *)dev->dev_addr;
+ ha = (const union fwnet_hwaddr *)dev->dev_addr;
memcpy(eui, &ha->uc.uniq_id, sizeof(ha->uc.uniq_id));
eui[0] ^= 2;
@@ -3110,6 +3112,9 @@ static void add_v4_addrs(struct inet6_dev *idev)
memcpy(&addr.s6_addr32[3], idev->dev->dev_addr + offset, 4);
if (idev->dev->flags&IFF_POINTOPOINT) {
+ if (idev->cnf.addr_gen_mode == IN6_ADDR_GEN_MODE_NONE)
+ return;
+
addr.s6_addr32[0] = htonl(0xfe800000);
scope = IFA_LINK;
plen = 64;
@@ -5542,6 +5547,7 @@ static inline void ipv6_store_devconf(struct ipv6_devconf *cnf,
array[DEVCONF_IOAM6_ENABLED] = cnf->ioam6_enabled;
array[DEVCONF_IOAM6_ID] = cnf->ioam6_id;
array[DEVCONF_IOAM6_ID_WIDE] = cnf->ioam6_id_wide;
+ array[DEVCONF_NDISC_EVICT_NOCARRIER] = cnf->ndisc_evict_nocarrier;
}
static inline size_t inet6_ifla6_size(void)
@@ -6984,6 +6990,15 @@ static const struct ctl_table addrconf_sysctl[] = {
.proc_handler = proc_douintvec,
},
{
+ .procname = "ndisc_evict_nocarrier",
+ .data = &ipv6_devconf.ndisc_evict_nocarrier,
+ .maxlen = sizeof(u8),
+ .mode = 0644,
+ .proc_handler = proc_dou8vec_minmax,
+ .extra1 = (void *)SYSCTL_ZERO,
+ .extra2 = (void *)SYSCTL_ONE,
+ },
+ {
/* sentinel */
}
};