diff options
| author | David S. Miller <davem@davemloft.net> | 2009-03-05 02:06:47 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-03-05 02:06:47 -0800 |
| commit | 508827ff0ac3981d420edac64a70de7f4e304d38 (patch) | |
| tree | b0cee8ddef9f0ceab68c388e4ae46b7295eb2cb5 /net/ipv6/af_inet6.c | |
| parent | 2c3c3d02f28801d7ad2da4952b2c7ca6621ef221 (diff) | |
| parent | 72e2240f181871675d3a979766330c91d48a1673 (diff) | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/tokenring/tmspci.c
drivers/net/ucc_geth_mii.c
Diffstat (limited to 'net/ipv6/af_inet6.c')
| -rw-r--r-- | net/ipv6/af_inet6.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index fa2ac7ee662..57b07da1212 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -72,6 +72,10 @@ MODULE_LICENSE("GPL"); static struct list_head inetsw6[SOCK_MAX]; static DEFINE_SPINLOCK(inetsw6_lock); +static int disable_ipv6 = 0; +module_param_named(disable, disable_ipv6, int, 0); +MODULE_PARM_DESC(disable, "Disable IPv6 such that it is non-functional"); + static __inline__ struct ipv6_pinfo *inet6_sk_generic(struct sock *sk) { const int offset = sk->sk_prot->obj_size - sizeof(struct ipv6_pinfo); @@ -1001,10 +1005,21 @@ static int __init inet6_init(void) { struct sk_buff *dummy_skb; struct list_head *r; - int err; + int err = 0; BUILD_BUG_ON(sizeof(struct inet6_skb_parm) > sizeof(dummy_skb->cb)); + /* Register the socket-side information for inet6_create. */ + for(r = &inetsw6[0]; r < &inetsw6[SOCK_MAX]; ++r) + INIT_LIST_HEAD(r); + + if (disable_ipv6) { + printk(KERN_INFO + "IPv6: Loaded, but administratively disabled, " + "reboot required to enable\n"); + goto out; + } + err = proto_register(&tcpv6_prot, 1); if (err) goto out; @@ -1022,10 +1037,6 @@ static int __init inet6_init(void) goto out_unregister_udplite_proto; - /* Register the socket-side information for inet6_create. */ - for(r = &inetsw6[0]; r < &inetsw6[SOCK_MAX]; ++r) - INIT_LIST_HEAD(r); - /* We MUST register RAW sockets before we create the ICMP6, * IGMP6, or NDISC control sockets. */ |