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yaml
---
r: 184206
b: refs/heads/master
c: 0229168
h: refs/heads/master
v: v3
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Eric W. Biederman authored and David S. Miller committed Feb 16, 2010
1 parent f9f091d commit 7e6d41d
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Showing 4 changed files with 50 additions and 24 deletions.
2 changes: 1 addition & 1 deletion [refs]
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 9e3f8063a72a946f2ba29068b34190436573dffe
refs/heads/master: 02291680ffba92e5b5865bc0c5e7d1f3056b80ec
42 changes: 36 additions & 6 deletions trunk/include/linux/inetdevice.h
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Original file line number Diff line number Diff line change
Expand Up @@ -10,10 +10,40 @@
#include <linux/timer.h>
#include <linux/sysctl.h>

enum
{
IPV4_DEVCONF_FORWARDING=1,
IPV4_DEVCONF_MC_FORWARDING,
IPV4_DEVCONF_PROXY_ARP,
IPV4_DEVCONF_ACCEPT_REDIRECTS,
IPV4_DEVCONF_SECURE_REDIRECTS,
IPV4_DEVCONF_SEND_REDIRECTS,
IPV4_DEVCONF_SHARED_MEDIA,
IPV4_DEVCONF_RP_FILTER,
IPV4_DEVCONF_ACCEPT_SOURCE_ROUTE,
IPV4_DEVCONF_BOOTP_RELAY,
IPV4_DEVCONF_LOG_MARTIANS,
IPV4_DEVCONF_TAG,
IPV4_DEVCONF_ARPFILTER,
IPV4_DEVCONF_MEDIUM_ID,
IPV4_DEVCONF_NOXFRM,
IPV4_DEVCONF_NOPOLICY,
IPV4_DEVCONF_FORCE_IGMP_VERSION,
IPV4_DEVCONF_ARP_ANNOUNCE,
IPV4_DEVCONF_ARP_IGNORE,
IPV4_DEVCONF_PROMOTE_SECONDARIES,
IPV4_DEVCONF_ARP_ACCEPT,
IPV4_DEVCONF_ARP_NOTIFY,
IPV4_DEVCONF_ACCEPT_LOCAL,
IPV4_DEVCONF_SRC_VMARK,
IPV4_DEVCONF_PROXY_ARP_PVLAN,
__IPV4_DEVCONF_MAX
};

struct ipv4_devconf {
void *sysctl;
int data[__NET_IPV4_CONF_MAX - 1];
DECLARE_BITMAP(state, __NET_IPV4_CONF_MAX - 1);
int data[__IPV4_DEVCONF_MAX - 1];
DECLARE_BITMAP(state, __IPV4_DEVCONF_MAX - 1);
};

struct in_device {
Expand All @@ -40,7 +70,7 @@ struct in_device {
struct rcu_head rcu_head;
};

#define IPV4_DEVCONF(cnf, attr) ((cnf).data[NET_IPV4_CONF_ ## attr - 1])
#define IPV4_DEVCONF(cnf, attr) ((cnf).data[IPV4_DEVCONF_ ## attr - 1])
#define IPV4_DEVCONF_ALL(net, attr) \
IPV4_DEVCONF((*(net)->ipv4.devconf_all), attr)

Expand All @@ -60,13 +90,13 @@ static inline void ipv4_devconf_set(struct in_device *in_dev, int index,

static inline void ipv4_devconf_setall(struct in_device *in_dev)
{
bitmap_fill(in_dev->cnf.state, __NET_IPV4_CONF_MAX - 1);
bitmap_fill(in_dev->cnf.state, __IPV4_DEVCONF_MAX - 1);
}

#define IN_DEV_CONF_GET(in_dev, attr) \
ipv4_devconf_get((in_dev), NET_IPV4_CONF_ ## attr)
ipv4_devconf_get((in_dev), IPV4_DEVCONF_ ## attr)
#define IN_DEV_CONF_SET(in_dev, attr, val) \
ipv4_devconf_set((in_dev), NET_IPV4_CONF_ ## attr, (val))
ipv4_devconf_set((in_dev), IPV4_DEVCONF_ ## attr, (val))

#define IN_DEV_ANDCONF(in_dev, attr) \
(IPV4_DEVCONF_ALL(dev_net(in_dev->dev), attr) && \
Expand Down
4 changes: 0 additions & 4 deletions trunk/include/linux/sysctl.h
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Original file line number Diff line number Diff line change
Expand Up @@ -481,10 +481,6 @@ enum
NET_IPV4_CONF_PROMOTE_SECONDARIES=20,
NET_IPV4_CONF_ARP_ACCEPT=21,
NET_IPV4_CONF_ARP_NOTIFY=22,
NET_IPV4_CONF_ACCEPT_LOCAL=23,
NET_IPV4_CONF_SRC_VMARK=24,
NET_IPV4_CONF_PROXY_ARP_PVLAN=25,
__NET_IPV4_CONF_MAX
};

/* /proc/sys/net/ipv4/netfilter */
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26 changes: 13 additions & 13 deletions trunk/net/ipv4/devinet.c
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Original file line number Diff line number Diff line change
Expand Up @@ -64,20 +64,20 @@

static struct ipv4_devconf ipv4_devconf = {
.data = {
[NET_IPV4_CONF_ACCEPT_REDIRECTS - 1] = 1,
[NET_IPV4_CONF_SEND_REDIRECTS - 1] = 1,
[NET_IPV4_CONF_SECURE_REDIRECTS - 1] = 1,
[NET_IPV4_CONF_SHARED_MEDIA - 1] = 1,
[IPV4_DEVCONF_ACCEPT_REDIRECTS - 1] = 1,
[IPV4_DEVCONF_SEND_REDIRECTS - 1] = 1,
[IPV4_DEVCONF_SECURE_REDIRECTS - 1] = 1,
[IPV4_DEVCONF_SHARED_MEDIA - 1] = 1,
},
};

static struct ipv4_devconf ipv4_devconf_dflt = {
.data = {
[NET_IPV4_CONF_ACCEPT_REDIRECTS - 1] = 1,
[NET_IPV4_CONF_SEND_REDIRECTS - 1] = 1,
[NET_IPV4_CONF_SECURE_REDIRECTS - 1] = 1,
[NET_IPV4_CONF_SHARED_MEDIA - 1] = 1,
[NET_IPV4_CONF_ACCEPT_SOURCE_ROUTE - 1] = 1,
[IPV4_DEVCONF_ACCEPT_REDIRECTS - 1] = 1,
[IPV4_DEVCONF_SEND_REDIRECTS - 1] = 1,
[IPV4_DEVCONF_SECURE_REDIRECTS - 1] = 1,
[IPV4_DEVCONF_SHARED_MEDIA - 1] = 1,
[IPV4_DEVCONF_ACCEPT_SOURCE_ROUTE - 1] = 1,
},
};

Expand Down Expand Up @@ -1360,7 +1360,7 @@ int ipv4_doint_and_flush(ctl_table *ctl, int write,
{ \
.procname = name, \
.data = ipv4_devconf.data + \
NET_IPV4_CONF_ ## attr - 1, \
IPV4_DEVCONF_ ## attr - 1, \
.maxlen = sizeof(int), \
.mode = mval, \
.proc_handler = proc, \
Expand All @@ -1381,7 +1381,7 @@ int ipv4_doint_and_flush(ctl_table *ctl, int write,

static struct devinet_sysctl_table {
struct ctl_table_header *sysctl_header;
struct ctl_table devinet_vars[__NET_IPV4_CONF_MAX];
struct ctl_table devinet_vars[__IPV4_DEVCONF_MAX];
char *dev_name;
} devinet_sysctl = {
.devinet_vars = {
Expand Down Expand Up @@ -1503,7 +1503,7 @@ static struct ctl_table ctl_forward_entry[] = {
{
.procname = "ip_forward",
.data = &ipv4_devconf.data[
NET_IPV4_CONF_FORWARDING - 1],
IPV4_DEVCONF_FORWARDING - 1],
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = devinet_sysctl_forward,
Expand Down Expand Up @@ -1547,7 +1547,7 @@ static __net_init int devinet_init_net(struct net *net)
if (tbl == NULL)
goto err_alloc_ctl;

tbl[0].data = &all->data[NET_IPV4_CONF_FORWARDING - 1];
tbl[0].data = &all->data[IPV4_DEVCONF_FORWARDING - 1];
tbl[0].extra1 = all;
tbl[0].extra2 = net;
#endif
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