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| author | Nicolas Dichtel <nicolas.dichtel@6wind.com> | 2012-12-04 01:13:35 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-12-04 13:08:10 -0500 |
| commit | d67b8c616b48df30e2836d797795f2420d109bc9 (patch) | |
| tree | e06b3f77e905e789def714958fcd455c8b3c037b /net/ipv6 | |
| parent | e8ad1a8fab6f550aba1f1fe7ba26749ff5460751 (diff) | |
| download | linux-stable-d67b8c616b48df30e2836d797795f2420d109bc9.tar.gz linux-stable-d67b8c616b48df30e2836d797795f2420d109bc9.tar.bz2 linux-stable-d67b8c616b48df30e2836d797795f2420d109bc9.zip | |
netconf: advertise mc_forwarding status
This patch advertise the MC_FORWARDING status for IPv4 and IPv6.
This field is readonly, only multicast engine in the kernel updates it.
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/addrconf.c | 10 | ||||
| -rw-r--r-- | net/ipv6/ip6mr.c | 20 |
2 files changed, 26 insertions, 4 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 22ae75d54017..28e0e627229c 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -469,6 +469,8 @@ static int inet6_netconf_msgsize_devconf(int type) /* type -1 is used for ALL */ if (type == -1 || type == NETCONFA_FORWARDING) size += nla_total_size(4); + if (type == -1 || type == NETCONFA_MC_FORWARDING) + size += nla_total_size(4); return size; } @@ -496,6 +498,10 @@ static int inet6_netconf_fill_devconf(struct sk_buff *skb, int ifindex, if ((type == -1 || type == NETCONFA_FORWARDING) && nla_put_s32(skb, NETCONFA_FORWARDING, devconf->forwarding) < 0) goto nla_put_failure; + if ((type == -1 || type == NETCONFA_MC_FORWARDING) && + nla_put_s32(skb, NETCONFA_MC_FORWARDING, + devconf->mc_forwarding) < 0) + goto nla_put_failure; return nlmsg_end(skb, nlh); @@ -504,8 +510,8 @@ nla_put_failure: return -EMSGSIZE; } -static void inet6_netconf_notify_devconf(struct net *net, int type, int ifindex, - struct ipv6_devconf *devconf) +void inet6_netconf_notify_devconf(struct net *net, int type, int ifindex, + struct ipv6_devconf *devconf) { struct sk_buff *skb; int err = -ENOBUFS; diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c index 926ea544f499..1c05fe604d37 100644 --- a/net/ipv6/ip6mr.c +++ b/net/ipv6/ip6mr.c @@ -52,6 +52,7 @@ #include <linux/netfilter_ipv6.h> #include <linux/export.h> #include <net/ip6_checksum.h> +#include <linux/netconf.h> struct mr6_table { struct list_head list; @@ -805,8 +806,12 @@ static int mif6_delete(struct mr6_table *mrt, int vifi, struct list_head *head) dev_set_allmulti(dev, -1); in6_dev = __in6_dev_get(dev); - if (in6_dev) + if (in6_dev) { in6_dev->cnf.mc_forwarding--; + inet6_netconf_notify_devconf(dev_net(dev), + NETCONFA_MC_FORWARDING, + dev->ifindex, &in6_dev->cnf); + } if (v->flags & MIFF_REGISTER) unregister_netdevice_queue(dev, head); @@ -958,8 +963,12 @@ static int mif6_add(struct net *net, struct mr6_table *mrt, } in6_dev = __in6_dev_get(dev); - if (in6_dev) + if (in6_dev) { in6_dev->cnf.mc_forwarding++; + inet6_netconf_notify_devconf(dev_net(dev), + NETCONFA_MC_FORWARDING, + dev->ifindex, &in6_dev->cnf); + } /* * Fill in the VIF structures @@ -1513,6 +1522,9 @@ static int ip6mr_sk_init(struct mr6_table *mrt, struct sock *sk) if (likely(mrt->mroute6_sk == NULL)) { mrt->mroute6_sk = sk; net->ipv6.devconf_all->mc_forwarding++; + inet6_netconf_notify_devconf(net, NETCONFA_MC_FORWARDING, + NETCONFA_IFINDEX_ALL, + net->ipv6.devconf_all); } else err = -EADDRINUSE; @@ -1535,6 +1547,10 @@ int ip6mr_sk_done(struct sock *sk) write_lock_bh(&mrt_lock); mrt->mroute6_sk = NULL; net->ipv6.devconf_all->mc_forwarding--; + inet6_netconf_notify_devconf(net, + NETCONFA_MC_FORWARDING, + NETCONFA_IFINDEX_ALL, + net->ipv6.devconf_all); write_unlock_bh(&mrt_lock); mroute_clean_tables(mrt); |