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authorYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>2008-04-10 15:42:11 +0900
committerYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>2008-04-12 13:43:19 +0900
commitf3ee4010e84452aa133e5163e6cfabc52b194e94 (patch)
tree09e24d1deee7545e72329a3fb6b4d8e228e8a21d /net/ipv6/mcast.c
parent9acd9f3ae92d0dc0ca7504fb48c1040e8bbc39fe (diff)
downloadop-kernel-dev-f3ee4010e84452aa133e5163e6cfabc52b194e94.zip
op-kernel-dev-f3ee4010e84452aa133e5163e6cfabc52b194e94.tar.gz
[IPV6]: Define constants for link-local multicast addresses.
- Define link-local all-node / all-router multicast addresses. - Remove ipv6_addr_all_nodes() and ipv6_addr_all_routers(). Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Diffstat (limited to 'net/ipv6/mcast.c')
-rw-r--r--net/ipv6/mcast.c23
1 files changed, 8 insertions, 15 deletions
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 0a0132a..c2dc2e2 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -1766,10 +1766,9 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
struct inet6_dev *idev;
struct sk_buff *skb;
struct icmp6hdr *hdr;
- struct in6_addr *snd_addr;
+ const struct in6_addr *snd_addr;
struct in6_addr *addrp;
struct in6_addr addr_buf;
- struct in6_addr all_routers;
int err, len, payload_len, full_len;
u8 ra[8] = { IPPROTO_ICMPV6, 0,
IPV6_TLV_ROUTERALERT, 2, 0, 0,
@@ -1780,11 +1779,10 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
IP6_INC_STATS(__in6_dev_get(dev),
IPSTATS_MIB_OUTREQUESTS);
rcu_read_unlock();
- snd_addr = addr;
- if (type == ICMPV6_MGM_REDUCTION) {
- snd_addr = &all_routers;
- ipv6_addr_all_routers(&all_routers);
- }
+ if (type == ICMPV6_MGM_REDUCTION)
+ snd_addr = &in6addr_linklocal_allrouters;
+ else
+ snd_addr = addr;
len = sizeof(struct icmp6hdr) + sizeof(struct in6_addr);
payload_len = len + sizeof(ra);
@@ -2309,24 +2307,19 @@ void ipv6_mc_init_dev(struct inet6_dev *idev)
void ipv6_mc_destroy_dev(struct inet6_dev *idev)
{
struct ifmcaddr6 *i;
- struct in6_addr maddr;
/* Deactivate timers */
ipv6_mc_down(idev);
/* Delete all-nodes address. */
- ipv6_addr_all_nodes(&maddr);
-
/* We cannot call ipv6_dev_mc_dec() directly, our caller in
* addrconf.c has NULL'd out dev->ip6_ptr so in6_dev_get() will
* fail.
*/
- __ipv6_dev_mc_dec(idev, &maddr);
+ __ipv6_dev_mc_dec(idev, &in6addr_linklocal_allnodes);
- if (idev->cnf.forwarding) {
- ipv6_addr_all_routers(&maddr);
- __ipv6_dev_mc_dec(idev, &maddr);
- }
+ if (idev->cnf.forwarding)
+ __ipv6_dev_mc_dec(idev, &in6addr_linklocal_allrouters);
write_lock_bh(&idev->lock);
while ((i = idev->mc_list) != NULL) {
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