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[NET] NETNS: Omit net_device->nd_net without CONFIG_NET_NS.

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Introduce per-net_device inlines: dev_net(), dev_net_set().
Without CONFIG_NET_NS, no namespace other than &init_net exists.
Let's explicitly define them to help compiler optimizations.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
This commit is contained in:
YOSHIFUJI Hideaki
2008-03-25 21:47:49 +09:00
parent 7cbca67c07
commit c346dca108
87 changed files with 251 additions and 228 deletions
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14
net/ipv4/arp.c
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@@ -242,7 +242,7 @@ static int arp_constructor(struct neighbour *neigh)
return -EINVAL;
}
neigh->type = inet_addr_type(dev->nd_net, addr);
neigh->type = inet_addr_type(dev_net(dev), addr);
parms = in_dev->arp_parms;
__neigh_parms_put(neigh->parms);
@@ -341,14 +341,14 @@ static void arp_solicit(struct neighbour *neigh, struct sk_buff *skb)
switch (IN_DEV_ARP_ANNOUNCE(in_dev)) {
default:
case 0: /* By default announce any local IP */
if (skb && inet_addr_type(dev->nd_net, ip_hdr(skb)->saddr) == RTN_LOCAL)
if (skb && inet_addr_type(dev_net(dev), ip_hdr(skb)->saddr) == RTN_LOCAL)
saddr = ip_hdr(skb)->saddr;
break;
case 1: /* Restrict announcements of saddr in same subnet */
if (!skb)
break;
saddr = ip_hdr(skb)->saddr;
if (inet_addr_type(dev->nd_net, saddr) == RTN_LOCAL) {
if (inet_addr_type(dev_net(dev), saddr) == RTN_LOCAL) {
/* saddr should be known to target */
if (inet_addr_onlink(in_dev, target, saddr))
break;
@@ -424,7 +424,7 @@ static int arp_filter(__be32 sip, __be32 tip, struct net_device *dev)
int flag = 0;
/*unsigned long now; */
if (ip_route_output_key(dev->nd_net, &rt, &fl) < 0)
if (ip_route_output_key(dev_net(dev), &rt, &fl) < 0)
return 1;
if (rt->u.dst.dev != dev) {
NET_INC_STATS_BH(LINUX_MIB_ARPFILTER);
@@ -477,7 +477,7 @@ int arp_find(unsigned char *haddr, struct sk_buff *skb)
paddr = skb->rtable->rt_gateway;
if (arp_set_predefined(inet_addr_type(dev->nd_net, paddr), haddr, paddr, dev))
if (arp_set_predefined(inet_addr_type(dev_net(dev), paddr), haddr, paddr, dev))
return 0;
n = __neigh_lookup(&arp_tbl, &paddr, dev, 1);
@@ -709,7 +709,7 @@ static int arp_process(struct sk_buff *skb)
u16 dev_type = dev->type;
int addr_type;
struct neighbour *n;
struct net *net = dev->nd_net;
struct net *net = dev_net(dev);
/* arp_rcv below verifies the ARP header and verifies the device
* is ARP'able.
@@ -858,7 +858,7 @@ static int arp_process(struct sk_buff *skb)
n = __neigh_lookup(&arp_tbl, &sip, dev, 0);
if (IPV4_DEVCONF_ALL(dev->nd_net, ARP_ACCEPT)) {
if (IPV4_DEVCONF_ALL(dev_net(dev), ARP_ACCEPT)) {
/* Unsolicited ARP is not accepted by default.
It is possible, that this option should be enabled for some
devices (strip is candidate)