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Diffstat (limited to 'net/ipv4/devinet.c')
-rw-r--r--net/ipv4/devinet.c111
1 files changed, 17 insertions, 94 deletions
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 5df2f6a0b0f0..e049da8311b5 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1293,58 +1293,6 @@ static int devinet_conf_proc(ctl_table *ctl, int write,
return ret;
}
-static int devinet_conf_sysctl(ctl_table *table,
- void __user *oldval, size_t __user *oldlenp,
- void __user *newval, size_t newlen)
-{
- struct ipv4_devconf *cnf;
- struct net *net;
- int *valp = table->data;
- int new;
- int i;
-
- if (!newval || !newlen)
- return 0;
-
- if (newlen != sizeof(int))
- return -EINVAL;
-
- if (get_user(new, (int __user *)newval))
- return -EFAULT;
-
- if (new == *valp)
- return 0;
-
- if (oldval && oldlenp) {
- size_t len;
-
- if (get_user(len, oldlenp))
- return -EFAULT;
-
- if (len) {
- if (len > table->maxlen)
- len = table->maxlen;
- if (copy_to_user(oldval, valp, len))
- return -EFAULT;
- if (put_user(len, oldlenp))
- return -EFAULT;
- }
- }
-
- *valp = new;
-
- cnf = table->extra1;
- net = table->extra2;
- i = (int *)table->data - cnf->data;
-
- set_bit(i, cnf->state);
-
- if (cnf == net->ipv4.devconf_dflt)
- devinet_copy_dflt_conf(net, i);
-
- return 1;
-}
-
static int devinet_sysctl_forward(ctl_table *ctl, int write,
void __user *buffer,
size_t *lenp, loff_t *ppos)
@@ -1390,47 +1338,28 @@ int ipv4_doint_and_flush(ctl_table *ctl, int write,
return ret;
}
-int ipv4_doint_and_flush_strategy(ctl_table *table,
- void __user *oldval, size_t __user *oldlenp,
- void __user *newval, size_t newlen)
-{
- int ret = devinet_conf_sysctl(table, oldval, oldlenp, newval, newlen);
- struct net *net = table->extra2;
-
- if (ret == 1)
- rt_cache_flush(net, 0);
-
- return ret;
-}
-
-
-#define DEVINET_SYSCTL_ENTRY(attr, name, mval, proc, sysctl) \
+#define DEVINET_SYSCTL_ENTRY(attr, name, mval, proc) \
{ \
- .ctl_name = NET_IPV4_CONF_ ## attr, \
.procname = name, \
.data = ipv4_devconf.data + \
NET_IPV4_CONF_ ## attr - 1, \
.maxlen = sizeof(int), \
.mode = mval, \
.proc_handler = proc, \
- .strategy = sysctl, \
.extra1 = &ipv4_devconf, \
}
#define DEVINET_SYSCTL_RW_ENTRY(attr, name) \
- DEVINET_SYSCTL_ENTRY(attr, name, 0644, devinet_conf_proc, \
- devinet_conf_sysctl)
+ DEVINET_SYSCTL_ENTRY(attr, name, 0644, devinet_conf_proc)
#define DEVINET_SYSCTL_RO_ENTRY(attr, name) \
- DEVINET_SYSCTL_ENTRY(attr, name, 0444, devinet_conf_proc, \
- devinet_conf_sysctl)
+ DEVINET_SYSCTL_ENTRY(attr, name, 0444, devinet_conf_proc)
-#define DEVINET_SYSCTL_COMPLEX_ENTRY(attr, name, proc, sysctl) \
- DEVINET_SYSCTL_ENTRY(attr, name, 0644, proc, sysctl)
+#define DEVINET_SYSCTL_COMPLEX_ENTRY(attr, name, proc) \
+ DEVINET_SYSCTL_ENTRY(attr, name, 0644, proc)
#define DEVINET_SYSCTL_FLUSHING_ENTRY(attr, name) \
- DEVINET_SYSCTL_COMPLEX_ENTRY(attr, name, ipv4_doint_and_flush, \
- ipv4_doint_and_flush_strategy)
+ DEVINET_SYSCTL_COMPLEX_ENTRY(attr, name, ipv4_doint_and_flush)
static struct devinet_sysctl_table {
struct ctl_table_header *sysctl_header;
@@ -1439,8 +1368,7 @@ static struct devinet_sysctl_table {
} devinet_sysctl = {
.devinet_vars = {
DEVINET_SYSCTL_COMPLEX_ENTRY(FORWARDING, "forwarding",
- devinet_sysctl_forward,
- devinet_conf_sysctl),
+ devinet_sysctl_forward),
DEVINET_SYSCTL_RO_ENTRY(MC_FORWARDING, "mc_forwarding"),
DEVINET_SYSCTL_RW_ENTRY(ACCEPT_REDIRECTS, "accept_redirects"),
@@ -1471,7 +1399,7 @@ static struct devinet_sysctl_table {
};
static int __devinet_sysctl_register(struct net *net, char *dev_name,
- int ctl_name, struct ipv4_devconf *p)
+ struct ipv4_devconf *p)
{
int i;
struct devinet_sysctl_table *t;
@@ -1479,9 +1407,9 @@ static int __devinet_sysctl_register(struct net *net, char *dev_name,
#define DEVINET_CTL_PATH_DEV 3
struct ctl_path devinet_ctl_path[] = {
- { .procname = "net", .ctl_name = CTL_NET, },
- { .procname = "ipv4", .ctl_name = NET_IPV4, },
- { .procname = "conf", .ctl_name = NET_IPV4_CONF, },
+ { .procname = "net", },
+ { .procname = "ipv4", },
+ { .procname = "conf", },
{ /* to be set */ },
{ },
};
@@ -1506,7 +1434,6 @@ static int __devinet_sysctl_register(struct net *net, char *dev_name,
goto free;
devinet_ctl_path[DEVINET_CTL_PATH_DEV].procname = t->dev_name;
- devinet_ctl_path[DEVINET_CTL_PATH_DEV].ctl_name = ctl_name;
t->sysctl_header = register_net_sysctl_table(net, devinet_ctl_path,
t->devinet_vars);
@@ -1540,9 +1467,9 @@ static void __devinet_sysctl_unregister(struct ipv4_devconf *cnf)
static void devinet_sysctl_register(struct in_device *idev)
{
neigh_sysctl_register(idev->dev, idev->arp_parms, NET_IPV4,
- NET_IPV4_NEIGH, "ipv4", NULL, NULL);
+ NET_IPV4_NEIGH, "ipv4", NULL);
__devinet_sysctl_register(dev_net(idev->dev), idev->dev->name,
- idev->dev->ifindex, &idev->cnf);
+ &idev->cnf);
}
static void devinet_sysctl_unregister(struct in_device *idev)
@@ -1553,14 +1480,12 @@ static void devinet_sysctl_unregister(struct in_device *idev)
static struct ctl_table ctl_forward_entry[] = {
{
- .ctl_name = NET_IPV4_FORWARD,
.procname = "ip_forward",
.data = &ipv4_devconf.data[
NET_IPV4_CONF_FORWARDING - 1],
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = devinet_sysctl_forward,
- .strategy = devinet_conf_sysctl,
.extra1 = &ipv4_devconf,
.extra2 = &init_net,
},
@@ -1568,8 +1493,8 @@ static struct ctl_table ctl_forward_entry[] = {
};
static __net_initdata struct ctl_path net_ipv4_path[] = {
- { .procname = "net", .ctl_name = CTL_NET, },
- { .procname = "ipv4", .ctl_name = NET_IPV4, },
+ { .procname = "net", },
+ { .procname = "ipv4", },
{ },
};
#endif
@@ -1608,13 +1533,11 @@ static __net_init int devinet_init_net(struct net *net)
}
#ifdef CONFIG_SYSCTL
- err = __devinet_sysctl_register(net, "all",
- NET_PROTO_CONF_ALL, all);
+ err = __devinet_sysctl_register(net, "all", all);
if (err < 0)
goto err_reg_all;
- err = __devinet_sysctl_register(net, "default",
- NET_PROTO_CONF_DEFAULT, dflt);
+ err = __devinet_sysctl_register(net, "default", dflt);
if (err < 0)
goto err_reg_dflt;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.