From: YOSHIFUJI Hideaki Date: Sun, 20 Jul 2008 05:35:03 +0000 (-0700) Subject: ipv6 netns: Make several "global" sysctl variables namespace aware. X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=53b7997fd5c62408d10b9aafb38974ce90fd2356;p=linux-beck.git ipv6 netns: Make several "global" sysctl variables namespace aware. Signed-off-by: YOSHIFUJI Hideaki Signed-off-by: David S. Miller --- diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 30184e0dd74c..580ae506c399 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -1863,6 +1863,7 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len) struct inet6_ifaddr * ifp; struct in6_addr addr; int create = 0, update_lft = 0; + struct net *net = dev_net(dev); if (pinfo->prefix_len == 64) { memcpy(&addr, &pinfo->prefix, 8); @@ -1881,7 +1882,7 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len) ok: - ifp = ipv6_get_ifaddr(dev_net(dev), &addr, dev, 1); + ifp = ipv6_get_ifaddr(net, &addr, dev, 1); if (ifp == NULL && valid_lft) { int max_addresses = in6_dev->cnf.max_addresses; @@ -1889,7 +1890,7 @@ ok: #ifdef CONFIG_IPV6_OPTIMISTIC_DAD if (in6_dev->cnf.optimistic_dad && - !ipv6_devconf.forwarding) + !net->ipv6.devconf_all->forwarding) addr_flags = IFA_F_OPTIMISTIC; #endif @@ -2314,11 +2315,12 @@ static void init_loopback(struct net_device *dev) static void addrconf_add_linklocal(struct inet6_dev *idev, struct in6_addr *addr) { struct inet6_ifaddr * ifp; + struct net *net = dev_net(idev->dev); u32 addr_flags = IFA_F_PERMANENT; #ifdef CONFIG_IPV6_OPTIMISTIC_DAD if (idev->cnf.optimistic_dad && - !ipv6_devconf.forwarding) + !net->ipv6.devconf_all->forwarding) addr_flags |= IFA_F_OPTIMISTIC; #endif diff --git a/net/ipv6/anycast.c b/net/ipv6/anycast.c index 4e1b29fabdf0..8336cd81cb4f 100644 --- a/net/ipv6/anycast.c +++ b/net/ipv6/anycast.c @@ -60,7 +60,7 @@ int ipv6_sock_ac_join(struct sock *sk, int ifindex, struct in6_addr *addr) struct inet6_dev *idev; struct ipv6_ac_socklist *pac; struct net *net = sock_net(sk); - int ishost = !ipv6_devconf.forwarding; + int ishost = !net->ipv6.devconf_all->forwarding; int err = 0; if (!capable(CAP_NET_ADMIN)) diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c index 9f1084b4c0e8..837c830d6d8e 100644 --- a/net/ipv6/exthdrs.c +++ b/net/ipv6/exthdrs.c @@ -319,7 +319,7 @@ static int ipv6_rthdr_rcv(struct sk_buff *skb) int n, i; struct ipv6_rt_hdr *hdr; struct rt0_hdr *rthdr; - int accept_source_route = ipv6_devconf.accept_source_route; + int accept_source_route = dev_net(skb->dev)->ipv6.devconf_all->accept_source_route; idev = in6_dev_get(skb->dev); if (idev) { diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c index ea81c614dde2..7e14cccd0561 100644 --- a/net/ipv6/ip6_input.c +++ b/net/ipv6/ip6_input.c @@ -249,7 +249,7 @@ int ip6_mc_input(struct sk_buff *skb) /* * IPv6 multicast router mode is now supported ;) */ - if (ipv6_devconf.mc_forwarding && + if (dev_net(skb->dev)->ipv6.devconf_all->mc_forwarding && likely(!(IP6CB(skb)->flags & IP6SKB_FORWARDED))) { /* * Okay, we try to forward - split and duplicate diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 0981c1ef3057..6407c64ea4a5 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -411,7 +411,7 @@ int ip6_forward(struct sk_buff *skb) struct inet6_skb_parm *opt = IP6CB(skb); struct net *net = dev_net(dst->dev); - if (ipv6_devconf.forwarding == 0) + if (net->ipv6.devconf_all->forwarding == 0) goto error; if (skb_warn_if_lro(skb)) @@ -458,7 +458,7 @@ int ip6_forward(struct sk_buff *skb) } /* XXX: idev->cnf.proxy_ndp? */ - if (ipv6_devconf.proxy_ndp && + if (net->ipv6.devconf_all->proxy_ndp && pneigh_lookup(&nd_tbl, net, &hdr->daddr, skb->dev, 0)) { int proxied = ip6_forward_proxy_check(skb); if (proxied > 0) diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c index 8c6ea07f4d56..ea33b26512c2 100644 --- a/net/ipv6/ipv6_sockglue.c +++ b/net/ipv6/ipv6_sockglue.c @@ -1038,7 +1038,7 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname, dst_release(dst); } if (val < 0) - val = ipv6_devconf.hop_limit; + val = sock_net(sk)->ipv6.devconf_all->hop_limit; break; } diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c index bd2fe4cfafa7..1b285371124a 100644 --- a/net/ipv6/mcast.c +++ b/net/ipv6/mcast.c @@ -151,7 +151,7 @@ static int ip6_mc_leave_src(struct sock *sk, struct ipv6_mc_socklist *iml, #define IGMP6_UNSOLICITED_IVAL (10*HZ) #define MLD_QRV_DEFAULT 2 -#define MLD_V1_SEEN(idev) (ipv6_devconf.force_mld_version == 1 || \ +#define MLD_V1_SEEN(idev) (dev_net((idev)->dev)->ipv6.devconf_all->force_mld_version == 1 || \ (idev)->cnf.force_mld_version == 1 || \ ((idev)->mc_v1_seen && \ time_before(jiffies, (idev)->mc_v1_seen))) diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index 282fdb31f8ed..beb48e3f038a 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -784,15 +784,17 @@ static void ndisc_recv_ns(struct sk_buff *skb) idev = ifp->idev; } else { + struct net *net = dev_net(dev); + idev = in6_dev_get(dev); if (!idev) { /* XXX: count this drop? */ return; } - if (ipv6_chk_acast_addr(dev_net(dev), dev, &msg->target) || + if (ipv6_chk_acast_addr(net, dev, &msg->target) || (idev->cnf.forwarding && - (ipv6_devconf.proxy_ndp || idev->cnf.proxy_ndp) && + (net->ipv6.devconf_all->proxy_ndp || idev->cnf.proxy_ndp) && (is_router = pndisc_is_router(&msg->target, dev)) >= 0)) { if (!(NEIGH_CB(skb)->flags & LOCALLY_ENQUEUED) && skb->pkt_type != PACKET_HOST && @@ -921,6 +923,7 @@ static void ndisc_recv_na(struct sk_buff *skb) if (neigh) { u8 old_flags = neigh->flags; + struct net *net = dev_net(dev); if (neigh->nud_state & NUD_FAILED) goto out; @@ -931,8 +934,8 @@ static void ndisc_recv_na(struct sk_buff *skb) * has already sent a NA to us. */ if (lladdr && !memcmp(lladdr, dev->dev_addr, dev->addr_len) && - ipv6_devconf.forwarding && ipv6_devconf.proxy_ndp && - pneigh_lookup(&nd_tbl, dev_net(dev), &msg->target, dev, 0)) { + net->ipv6.devconf_all->forwarding && net->ipv6.devconf_all->proxy_ndp && + pneigh_lookup(&nd_tbl, net, &msg->target, dev, 0)) { /* XXX: idev->cnf.prixy_ndp */ goto out; } diff --git a/net/ipv6/route.c b/net/ipv6/route.c index cb8a51271b67..615b328de251 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -676,7 +676,7 @@ static struct rt6_info *ip6_pol_route(struct net *net, struct fib6_table *table, int strict = 0; int attempts = 3; int err; - int reachable = ipv6_devconf.forwarding ? 0 : RT6_LOOKUP_F_REACHABLE; + int reachable = net->ipv6.devconf_all->forwarding ? 0 : RT6_LOOKUP_F_REACHABLE; strict |= flags & RT6_LOOKUP_F_IFACE; @@ -1058,7 +1058,7 @@ int ip6_dst_hoplimit(struct dst_entry *dst) hoplimit = idev->cnf.hop_limit; in6_dev_put(idev); } else - hoplimit = ipv6_devconf.hop_limit; + hoplimit = dev_net(dev)->ipv6.devconf_all->hop_limit; } return hoplimit; }