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[IPV4]: Switch users of ipv4_devconf(_all) to use the pernet one

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These are scattered over the code, but almost all the
"critical" places already have the proper struct net
at hand except for snmp proc showing function and routing
rtnl handler.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pavel Emelyanov 2007-12-16 13:32:48 -08:00 committed by David S. Miller
parent 9355bbd685
commit 586f121152
7 changed files with 20 additions and 15 deletions
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12
include/linux/inetdevice.h
View File

@ -44,7 +44,8 @@ struct in_device
};
#define IPV4_DEVCONF(cnf, attr) ((cnf).data[NET_IPV4_CONF_ ## attr - 1])
#define IPV4_DEVCONF_ALL(attr) IPV4_DEVCONF(ipv4_devconf, attr)
#define IPV4_DEVCONF_ALL(net, attr) \
IPV4_DEVCONF((*(net)->ipv4.devconf_all), attr)
static inline int ipv4_devconf_get(struct in_device *in_dev, int index)
{
@ -71,11 +72,14 @@ static inline void ipv4_devconf_setall(struct in_device *in_dev)
ipv4_devconf_set((in_dev), NET_IPV4_CONF_ ## attr, (val))
#define IN_DEV_ANDCONF(in_dev, attr) \
(IPV4_DEVCONF_ALL(attr) && IN_DEV_CONF_GET((in_dev), attr))
(IPV4_DEVCONF_ALL(in_dev->dev->nd_net, attr) && \
IN_DEV_CONF_GET((in_dev), attr))
#define IN_DEV_ORCONF(in_dev, attr) \
(IPV4_DEVCONF_ALL(attr) || IN_DEV_CONF_GET((in_dev), attr))
(IPV4_DEVCONF_ALL(in_dev->dev->nd_net, attr) || \
IN_DEV_CONF_GET((in_dev), attr))
#define IN_DEV_MAXCONF(in_dev, attr) \
(max(IPV4_DEVCONF_ALL(attr), IN_DEV_CONF_GET((in_dev), attr)))
(max(IPV4_DEVCONF_ALL(in_dev->dev->nd_net, attr), \
IN_DEV_CONF_GET((in_dev), attr)))
#define IN_DEV_FORWARD(in_dev) IN_DEV_CONF_GET((in_dev), FORWARDING)
#define IN_DEV_MFORWARD(in_dev) IN_DEV_ANDCONF((in_dev), MC_FORWARDING)

4
net/ipv4/arp.c
View File

@ -860,7 +860,7 @@ static int arp_process(struct sk_buff *skb)
n = __neigh_lookup(&arp_tbl, &sip, dev, 0);
if (IPV4_DEVCONF_ALL(ARP_ACCEPT)) {
if (IPV4_DEVCONF_ALL(dev->nd_net, ARP_ACCEPT)) {
/* Unsolicited ARP is not accepted by default.
It is possible, that this option should be enabled for some
devices (strip is candidate)
@ -955,7 +955,7 @@ static int arp_rcv(struct sk_buff *skb, struct net_device *dev,
static int arp_req_set_proxy(struct net *net, struct net_device *dev, int on)
{
if (dev == NULL) {
IPV4_DEVCONF_ALL(PROXY_ARP) = on;
IPV4_DEVCONF_ALL(net, PROXY_ARP) = on;
return 0;
}
if (__in_dev_get_rtnl(dev)) {

6
net/ipv4/devinet.c
View File

@ -1258,9 +1258,9 @@ static void devinet_copy_dflt_conf(struct net *net, int i)
static void inet_forward_change(struct net *net)
{
struct net_device *dev;
int on = IPV4_DEVCONF_ALL(FORWARDING);
int on = IPV4_DEVCONF_ALL(net, FORWARDING);
IPV4_DEVCONF_ALL(ACCEPT_REDIRECTS) = !on;
IPV4_DEVCONF_ALL(net, ACCEPT_REDIRECTS) = !on;
IPV4_DEVCONF_DFLT(net, FORWARDING) = on;
read_lock(&dev_base_lock);
@ -1360,7 +1360,7 @@ static int devinet_sysctl_forward(ctl_table *ctl, int write,
if (write && *valp != val) {
struct net *net = ctl->extra2;
if (valp == &IPV4_DEVCONF_ALL(FORWARDING))
if (valp == &IPV4_DEVCONF_ALL(net, FORWARDING))
inet_forward_change(net);
else if (valp != &IPV4_DEVCONF_DFLT(net, FORWARDING))
rt_cache_flush(0);

4
net/ipv4/igmp.c
View File

@ -130,12 +130,12 @@
*/
#define IGMP_V1_SEEN(in_dev) \
(IPV4_DEVCONF_ALL(FORCE_IGMP_VERSION) == 1 || \
(IPV4_DEVCONF_ALL(in_dev->dev->nd_net, FORCE_IGMP_VERSION) == 1 || \
IN_DEV_CONF_GET((in_dev), FORCE_IGMP_VERSION) == 1 || \
((in_dev)->mr_v1_seen && \
time_before(jiffies, (in_dev)->mr_v1_seen)))
#define IGMP_V2_SEEN(in_dev) \
(IPV4_DEVCONF_ALL(FORCE_IGMP_VERSION) == 2 || \
(IPV4_DEVCONF_ALL(in_dev->dev->nd_net, FORCE_IGMP_VERSION) == 2 || \
IN_DEV_CONF_GET((in_dev), FORCE_IGMP_VERSION) == 2 || \
((in_dev)->mr_v2_seen && \
time_before(jiffies, (in_dev)->mr_v2_seen)))

4
net/ipv4/ipmr.c
View File

@ -849,7 +849,7 @@ static void mrtsock_destruct(struct sock *sk)
{
rtnl_lock();
if (sk == mroute_socket) {
IPV4_DEVCONF_ALL(MC_FORWARDING)--;
IPV4_DEVCONF_ALL(sk->sk_net, MC_FORWARDING)--;
write_lock_bh(&mrt_lock);
mroute_socket=NULL;
@ -898,7 +898,7 @@ int ip_mroute_setsockopt(struct sock *sk,int optname,char __user *optval,int opt
mroute_socket=sk;
write_unlock_bh(&mrt_lock);
IPV4_DEVCONF_ALL(MC_FORWARDING)++;
IPV4_DEVCONF_ALL(sk->sk_net, MC_FORWARDING)++;
}
rtnl_unlock();
return ret;

3
net/ipv4/proc.c
View File

@ -309,7 +309,8 @@ static int snmp_seq_show(struct seq_file *seq, void *v)
seq_printf(seq, " %s", snmp4_ipstats_list[i].name);
seq_printf(seq, "\nIp: %d %d",
IPV4_DEVCONF_ALL(FORWARDING) ? 1 : 2, sysctl_ip_default_ttl);
IPV4_DEVCONF_ALL(&init_net, FORWARDING) ? 1 : 2,
sysctl_ip_default_ttl);
for (i = 0; snmp4_ipstats_list[i].name != NULL; i++)
seq_printf(seq, " %lu",

2
net/ipv4/route.c
View File

@ -2619,7 +2619,7 @@ static int rt_fill_info(struct sk_buff *skb, u32 pid, u32 seq, int event,
__be32 dst = rt->rt_dst;
if (MULTICAST(dst) && !LOCAL_MCAST(dst) &&
IPV4_DEVCONF_ALL(MC_FORWARDING)) {
IPV4_DEVCONF_ALL(&init_net, MC_FORWARDING)) {
int err = ipmr_get_route(skb, r, nowait);
if (err <= 0) {
if (!nowait) {