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-rw-r--r--include/net/netns/ipv6.h24
-rw-r--r--net/ipv6/icmp.c12
-rw-r--r--net/ipv6/sysctl_net_ipv6.c38
3 files changed, 36 insertions, 38 deletions
diff --git a/include/net/netns/ipv6.h b/include/net/netns/ipv6.h
index 21c0debbd39e..84f4a8bec397 100644
--- a/include/net/netns/ipv6.h
+++ b/include/net/netns/ipv6.h
@@ -20,7 +20,6 @@ struct netns_sysctl_ipv6 {
struct ctl_table_header *frags_hdr;
struct ctl_table_header *xfrm6_hdr;
#endif
- int bindv6only;
int flush_delay;
int ip6_rt_max_size;
int ip6_rt_gc_min_interval;
@@ -29,21 +28,22 @@ struct netns_sysctl_ipv6 {
int ip6_rt_gc_elasticity;
int ip6_rt_mtu_expires;
int ip6_rt_min_advmss;
- int multipath_hash_policy;
- int flowlabel_consistency;
- int auto_flowlabels;
+ u8 bindv6only;
+ u8 multipath_hash_policy;
+ u8 flowlabel_consistency;
+ u8 auto_flowlabels;
int icmpv6_time;
- int icmpv6_echo_ignore_all;
- int icmpv6_echo_ignore_multicast;
- int icmpv6_echo_ignore_anycast;
+ u8 icmpv6_echo_ignore_all;
+ u8 icmpv6_echo_ignore_multicast;
+ u8 icmpv6_echo_ignore_anycast;
DECLARE_BITMAP(icmpv6_ratemask, ICMPV6_MSG_MAX + 1);
unsigned long *icmpv6_ratemask_ptr;
- int anycast_src_echo_reply;
- int ip_nonlocal_bind;
- int fwmark_reflect;
+ u8 anycast_src_echo_reply;
+ u8 ip_nonlocal_bind;
+ u8 fwmark_reflect;
+ u8 flowlabel_state_ranges;
int idgen_retries;
int idgen_delay;
- int flowlabel_state_ranges;
int flowlabel_reflect;
int max_dst_opts_cnt;
int max_hbh_opts_cnt;
@@ -51,7 +51,7 @@ struct netns_sysctl_ipv6 {
int max_hbh_opts_len;
int seg6_flowlabel;
bool skip_notify_on_dev_down;
- int fib_notify_on_flag_change;
+ u8 fib_notify_on_flag_change;
};
struct netns_ipv6 {
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 29d38d6b55fb..1bca2b09d77e 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -1169,23 +1169,23 @@ static struct ctl_table ipv6_icmp_table_template[] = {
{
.procname = "echo_ignore_all",
.data = &init_net.ipv6.sysctl.icmpv6_echo_ignore_all,
- .maxlen = sizeof(int),
+ .maxlen = sizeof(u8),
.mode = 0644,
- .proc_handler = proc_dointvec,
+ .proc_handler = proc_dou8vec_minmax,
},
{
.procname = "echo_ignore_multicast",
.data = &init_net.ipv6.sysctl.icmpv6_echo_ignore_multicast,
- .maxlen = sizeof(int),
+ .maxlen = sizeof(u8),
.mode = 0644,
- .proc_handler = proc_dointvec,
+ .proc_handler = proc_dou8vec_minmax,
},
{
.procname = "echo_ignore_anycast",
.data = &init_net.ipv6.sysctl.icmpv6_echo_ignore_anycast,
- .maxlen = sizeof(int),
+ .maxlen = sizeof(u8),
.mode = 0644,
- .proc_handler = proc_dointvec,
+ .proc_handler = proc_dou8vec_minmax,
},
{
.procname = "ratemask",
diff --git a/net/ipv6/sysctl_net_ipv6.c b/net/ipv6/sysctl_net_ipv6.c
index 263ab43ed06b..27102c3d6e1d 100644
--- a/net/ipv6/sysctl_net_ipv6.c
+++ b/net/ipv6/sysctl_net_ipv6.c
@@ -23,7 +23,6 @@
static int two = 2;
static int flowlabel_reflect_max = 0x7;
-static int auto_flowlabels_min;
static int auto_flowlabels_max = IP6_AUTO_FLOW_LABEL_MAX;
static int proc_rt6_multipath_hash_policy(struct ctl_table *table, int write,
@@ -34,7 +33,7 @@ static int proc_rt6_multipath_hash_policy(struct ctl_table *table, int write,
net = container_of(table->data, struct net,
ipv6.sysctl.multipath_hash_policy);
- ret = proc_dointvec_minmax(table, write, buffer, lenp, ppos);
+ ret = proc_dou8vec_minmax(table, write, buffer, lenp, ppos);
if (write && ret == 0)
call_netevent_notifiers(NETEVENT_IPV6_MPATH_HASH_UPDATE, net);
@@ -45,39 +44,38 @@ static struct ctl_table ipv6_table_template[] = {
{
.procname = "bindv6only",
.data = &init_net.ipv6.sysctl.bindv6only,
- .maxlen = sizeof(int),
+ .maxlen = sizeof(u8),
.mode = 0644,
- .proc_handler = proc_dointvec
+ .proc_handler = proc_dou8vec_minmax,
},
{
.procname = "anycast_src_echo_reply",
.data = &init_net.ipv6.sysctl.anycast_src_echo_reply,
- .maxlen = sizeof(int),
+ .maxlen = sizeof(u8),
.mode = 0644,
- .proc_handler = proc_dointvec
+ .proc_handler = proc_dou8vec_minmax,
},
{
.procname = "flowlabel_consistency",
.data = &init_net.ipv6.sysctl.flowlabel_consistency,
- .maxlen = sizeof(int),
+ .maxlen = sizeof(u8),
.mode = 0644,
- .proc_handler = proc_dointvec
+ .proc_handler = proc_dou8vec_minmax,
},
{
.procname = "auto_flowlabels",
.data = &init_net.ipv6.sysctl.auto_flowlabels,
- .maxlen = sizeof(int),
+ .maxlen = sizeof(u8),
.mode = 0644,
- .proc_handler = proc_dointvec_minmax,
- .extra1 = &auto_flowlabels_min,
+ .proc_handler = proc_dou8vec_minmax,
.extra2 = &auto_flowlabels_max
},
{
.procname = "fwmark_reflect",
.data = &init_net.ipv6.sysctl.fwmark_reflect,
- .maxlen = sizeof(int),
+ .maxlen = sizeof(u8),
.mode = 0644,
- .proc_handler = proc_dointvec
+ .proc_handler = proc_dou8vec_minmax,
},
{
.procname = "idgen_retries",
@@ -96,16 +94,16 @@ static struct ctl_table ipv6_table_template[] = {
{
.procname = "flowlabel_state_ranges",
.data = &init_net.ipv6.sysctl.flowlabel_state_ranges,
- .maxlen = sizeof(int),
+ .maxlen = sizeof(u8),
.mode = 0644,
- .proc_handler = proc_dointvec
+ .proc_handler = proc_dou8vec_minmax,
},
{
.procname = "ip_nonlocal_bind",
.data = &init_net.ipv6.sysctl.ip_nonlocal_bind,
- .maxlen = sizeof(int),
+ .maxlen = sizeof(u8),
.mode = 0644,
- .proc_handler = proc_dointvec
+ .proc_handler = proc_dou8vec_minmax,
},
{
.procname = "flowlabel_reflect",
@@ -147,7 +145,7 @@ static struct ctl_table ipv6_table_template[] = {
{
.procname = "fib_multipath_hash_policy",
.data = &init_net.ipv6.sysctl.multipath_hash_policy,
- .maxlen = sizeof(int),
+ .maxlen = sizeof(u8),
.mode = 0644,
.proc_handler = proc_rt6_multipath_hash_policy,
.extra1 = SYSCTL_ZERO,
@@ -163,9 +161,9 @@ static struct ctl_table ipv6_table_template[] = {
{
.procname = "fib_notify_on_flag_change",
.data = &init_net.ipv6.sysctl.fib_notify_on_flag_change,
- .maxlen = sizeof(int),
+ .maxlen = sizeof(u8),
.mode = 0644,
- .proc_handler = proc_dointvec_minmax,
+ .proc_handler = proc_dou8vec_minmax,
.extra1 = SYSCTL_ZERO,
.extra2 = &two,
},
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.