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yaml
---
r: 90403
b: refs/heads/master
c: 68528f0
h: refs/heads/master
i:
  90401: 3fa6616
  90399: 57a66cc
v: v3
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Pavel Emelyanov authored and David S. Miller committed Mar 26, 2008
1 parent eaf2163 commit 5edd63c
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Showing 3 changed files with 92 additions and 49 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: a24022e1887978decaa28fb11d1ddff63e31497f
refs/heads/master: 68528f09980a60c8df046d16336333cac4fc0c32
1 change: 1 addition & 0 deletions trunk/include/net/netns/ipv4.h
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@ struct netns_ipv4 {
#ifdef CONFIG_SYSCTL
struct ctl_table_header *forw_hdr;
struct ctl_table_header *frags_hdr;
struct ctl_table_header *ipv4_hdr;
#endif
struct ipv4_devconf *devconf_all;
struct ipv4_devconf *devconf_dflt;
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138 changes: 90 additions & 48 deletions trunk/net/ipv4/sysctl_net_ipv4.c
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Original file line number Diff line number Diff line change
Expand Up @@ -403,38 +403,6 @@ static struct ctl_table ipv4_table[] = {
.proc_handler = &ipv4_local_port_range,
.strategy = &ipv4_sysctl_local_port_range,
},
{
.ctl_name = NET_IPV4_ICMP_ECHO_IGNORE_ALL,
.procname = "icmp_echo_ignore_all",
.data = &init_net.ipv4.sysctl_icmp_echo_ignore_all,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = &proc_dointvec
},
{
.ctl_name = NET_IPV4_ICMP_ECHO_IGNORE_BROADCASTS,
.procname = "icmp_echo_ignore_broadcasts",
.data = &init_net.ipv4.sysctl_icmp_echo_ignore_broadcasts,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = &proc_dointvec
},
{
.ctl_name = NET_IPV4_ICMP_IGNORE_BOGUS_ERROR_RESPONSES,
.procname = "icmp_ignore_bogus_error_responses",
.data = &init_net.ipv4.sysctl_icmp_ignore_bogus_error_responses,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = &proc_dointvec
},
{
.ctl_name = NET_IPV4_ICMP_ERRORS_USE_INBOUND_IFADDR,
.procname = "icmp_errors_use_inbound_ifaddr",
.data = &init_net.ipv4.sysctl_icmp_errors_use_inbound_ifaddr,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = &proc_dointvec
},
{
.ctl_name = NET_IPV4_ROUTE,
.procname = "route",
Expand Down Expand Up @@ -585,22 +553,6 @@ static struct ctl_table ipv4_table[] = {
.mode = 0644,
.proc_handler = &proc_dointvec
},
{
.ctl_name = NET_IPV4_ICMP_RATELIMIT,
.procname = "icmp_ratelimit",
.data = &init_net.ipv4.sysctl_icmp_ratelimit,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = &proc_dointvec
},
{
.ctl_name = NET_IPV4_ICMP_RATEMASK,
.procname = "icmp_ratemask",
.data = &init_net.ipv4.sysctl_icmp_ratemask,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = &proc_dointvec
},
{
.ctl_name = NET_TCP_TW_REUSE,
.procname = "tcp_tw_reuse",
Expand Down Expand Up @@ -804,6 +756,58 @@ static struct ctl_table ipv4_table[] = {
{ .ctl_name = 0 }
};

static struct ctl_table ipv4_net_table[] = {
{
.ctl_name = NET_IPV4_ICMP_ECHO_IGNORE_ALL,
.procname = "icmp_echo_ignore_all",
.data = &init_net.ipv4.sysctl_icmp_echo_ignore_all,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = &proc_dointvec
},
{
.ctl_name = NET_IPV4_ICMP_ECHO_IGNORE_BROADCASTS,
.procname = "icmp_echo_ignore_broadcasts",
.data = &init_net.ipv4.sysctl_icmp_echo_ignore_broadcasts,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = &proc_dointvec
},
{
.ctl_name = NET_IPV4_ICMP_IGNORE_BOGUS_ERROR_RESPONSES,
.procname = "icmp_ignore_bogus_error_responses",
.data = &init_net.ipv4.sysctl_icmp_ignore_bogus_error_responses,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = &proc_dointvec
},
{
.ctl_name = NET_IPV4_ICMP_ERRORS_USE_INBOUND_IFADDR,
.procname = "icmp_errors_use_inbound_ifaddr",
.data = &init_net.ipv4.sysctl_icmp_errors_use_inbound_ifaddr,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = &proc_dointvec
},
{
.ctl_name = NET_IPV4_ICMP_RATELIMIT,
.procname = "icmp_ratelimit",
.data = &init_net.ipv4.sysctl_icmp_ratelimit,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = &proc_dointvec
},
{
.ctl_name = NET_IPV4_ICMP_RATEMASK,
.procname = "icmp_ratemask",
.data = &init_net.ipv4.sysctl_icmp_ratemask,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = &proc_dointvec
},
{ }
};

struct ctl_path net_ipv4_ctl_path[] = {
{ .procname = "net", .ctl_name = CTL_NET, },
{ .procname = "ipv4", .ctl_name = NET_IPV4, },
Expand All @@ -813,11 +817,49 @@ EXPORT_SYMBOL_GPL(net_ipv4_ctl_path);

static __net_init int ipv4_sysctl_init_net(struct net *net)
{
struct ctl_table *table;

table = ipv4_net_table;
if (net != &init_net) {
table = kmemdup(table, sizeof(ipv4_net_table), GFP_KERNEL);
if (table == NULL)
goto err_alloc;

table[0].data =
&net->ipv4.sysctl_icmp_echo_ignore_all;
table[1].data =
&net->ipv4.sysctl_icmp_echo_ignore_broadcasts;
table[2].data =
&net->ipv4.sysctl_icmp_ignore_bogus_error_responses;
table[3].data =
&net->ipv4.sysctl_icmp_errors_use_inbound_ifaddr;
table[4].data =
&net->ipv4.sysctl_icmp_ratelimit;
table[5].data =
&net->ipv4.sysctl_icmp_ratemask;
}

net->ipv4.ipv4_hdr = register_net_sysctl_table(net,
net_ipv4_ctl_path, table);
if (net->ipv4.ipv4_hdr == NULL)
goto err_reg;

return 0;

err_reg:
if (net != &init_net)
kfree(table);
err_alloc:
return -ENOMEM;
}

static __net_exit void ipv4_sysctl_exit_net(struct net *net)
{
struct ctl_table *table;

table = net->ipv4.ipv4_hdr->ctl_table_arg;
unregister_net_sysctl_table(net->ipv4.ipv4_hdr);
kfree(table);
}

static __net_initdata struct pernet_operations ipv4_sysctl_ops = {
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