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-rw-r--r--Documentation/networking/ip-sysctl.txt19
-rw-r--r--include/net/netns/ipv4.h1
-rw-r--r--net/ipv4/icmp.c9
-rw-r--r--net/ipv4/sysctl_net_ipv4.c7
4 files changed, 3 insertions, 33 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 99838259e2e6..ebe94f2cab98 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -884,8 +884,8 @@ icmp_ignore_bogus_error_responses - BOOLEAN
icmp_errors_use_inbound_ifaddr - BOOLEAN
- If zero, icmp error messages except redirects are sent with the primary
- address of the exiting interface.
+ If zero, icmp error messages are sent with the primary address of
+ the exiting interface.
If non-zero, the message will be sent with the primary address of
the interface that received the packet that caused the icmp error.
@@ -897,23 +897,8 @@ icmp_errors_use_inbound_ifaddr - BOOLEAN
then the primary address of the first non-loopback interface that
has one will be used regardless of this setting.
- The source address selection of icmp redirect messages is controlled by
- icmp_errors_use_inbound_ifaddr.
Default: 0
-icmp_redirects_use_orig_daddr - BOOLEAN
-
- If zero, icmp redirect messages are sent using the address specified for
- other icmp errors by icmp_errors_use_inbound_ifaddr.
-
- If non-zero, the message will be sent with the destination address of
- the packet that caused the icmp redirect.
- This behaviour is the preferred one on VRRP routers (see RFC 5798
- section 8.1.1).
-
- Default: 0
-
-
igmp_max_memberships - INTEGER
Change the maximum number of multicast groups we can subscribe to.
Default: 20
diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h
index 46d336abca92..c68926b4899c 100644
--- a/include/net/netns/ipv4.h
+++ b/include/net/netns/ipv4.h
@@ -74,7 +74,6 @@ struct netns_ipv4 {
int sysctl_icmp_ratelimit;
int sysctl_icmp_ratemask;
int sysctl_icmp_errors_use_inbound_ifaddr;
- int sysctl_icmp_redirects_use_orig_daddr;
struct local_ports ip_local_ports;
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index f3c356b7c1f0..36e26977c908 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -659,9 +659,7 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info)
*/
saddr = iph->daddr;
- if (!((type == ICMP_REDIRECT) &&
- net->ipv4.sysctl_icmp_redirects_use_orig_daddr) &&
- !(rt->rt_flags & RTCF_LOCAL)) {
+ if (!(rt->rt_flags & RTCF_LOCAL)) {
struct net_device *dev = NULL;
rcu_read_lock();
@@ -1224,11 +1222,6 @@ static int __net_init icmp_sk_init(struct net *net)
net->ipv4.sysctl_icmp_ratemask = 0x1818;
net->ipv4.sysctl_icmp_errors_use_inbound_ifaddr = 0;
- /* Control paramerer - use the daddr of originating packets as saddr
- * in redirect messages?
- */
- net->ipv4.sysctl_icmp_redirects_use_orig_daddr = 0;
-
return 0;
fail:
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index 30a531ccbf77..894da3a70aff 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -818,13 +818,6 @@ static struct ctl_table ipv4_net_table[] = {
.proc_handler = proc_dointvec
},
{
- .procname = "icmp_redirects_use_orig_daddr",
- .data = &init_net.ipv4.sysctl_icmp_redirects_use_orig_daddr,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = proc_dointvec
- },
- {
.procname = "icmp_ratelimit",
.data = &init_net.ipv4.sysctl_icmp_ratelimit,
.maxlen = sizeof(int),