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-rw-r--r--include/linux/inetdevice.h2
-rw-r--r--net/ipv4/devinet.c8
-rw-r--r--net/ipv4/igmp.c19
3 files changed, 27 insertions, 2 deletions
diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h
index 0a4a6cb35338..c796ce26c7c0 100644
--- a/include/linux/inetdevice.h
+++ b/include/linux/inetdevice.h
@@ -28,6 +28,8 @@ enum
IPV4_DEVCONF_ARPFILTER,
IPV4_DEVCONF_MEDIUM_ID,
IPV4_DEVCONF_FORCE_IGMP_VERSION,
+ IPV4_DEVCONF_IGMPV2_UNSOLICITED_REPORT_INTERVAL,
+ IPV4_DEVCONF_IGMPV3_UNSOLICITED_REPORT_INTERVAL,
IPV4_DEVCONF_NOXFRM,
IPV4_DEVCONF_NOPOLICY,
IPV4_DEVCONF_ARP_ANNOUNCE,
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 87d47ce9fa33..a1b5bcbd04ae 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -73,6 +73,8 @@ static struct ipv4_devconf ipv4_devconf = {
[IPV4_DEVCONF_SEND_REDIRECTS - 1] = 1,
[IPV4_DEVCONF_SECURE_REDIRECTS - 1] = 1,
[IPV4_DEVCONF_SHARED_MEDIA - 1] = 1,
+ [IPV4_DEVCONF_IGMPV2_UNSOLICITED_REPORT_INTERVAL - 1] = 10000 /*ms*/,
+ [IPV4_DEVCONF_IGMPV3_UNSOLICITED_REPORT_INTERVAL - 1] = 1000 /*ms*/,
},
};
@@ -83,6 +85,8 @@ static struct ipv4_devconf ipv4_devconf_dflt = {
[IPV4_DEVCONF_SECURE_REDIRECTS - 1] = 1,
[IPV4_DEVCONF_SHARED_MEDIA - 1] = 1,
[IPV4_DEVCONF_ACCEPT_SOURCE_ROUTE - 1] = 1,
+ [IPV4_DEVCONF_IGMPV2_UNSOLICITED_REPORT_INTERVAL - 1] = 10000 /*ms*/,
+ [IPV4_DEVCONF_IGMPV3_UNSOLICITED_REPORT_INTERVAL - 1] = 1000 /*ms*/,
},
};
@@ -2096,6 +2100,10 @@ static struct devinet_sysctl_table {
DEVINET_SYSCTL_RW_ENTRY(PROXY_ARP_PVLAN, "proxy_arp_pvlan"),
DEVINET_SYSCTL_RW_ENTRY(FORCE_IGMP_VERSION,
"force_igmp_version"),
+ DEVINET_SYSCTL_RW_ENTRY(IGMPV2_UNSOLICITED_REPORT_INTERVAL,
+ "igmpv2_unsolicited_report_interval"),
+ DEVINET_SYSCTL_RW_ENTRY(IGMPV3_UNSOLICITED_REPORT_INTERVAL,
+ "igmpv3_unsolicited_report_interval"),
DEVINET_SYSCTL_FLUSHING_ENTRY(NOXFRM, "disable_xfrm"),
DEVINET_SYSCTL_FLUSHING_ENTRY(NOPOLICY, "disable_policy"),
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index ceb19ab9cf9d..d6c0e64ec97f 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -142,10 +142,25 @@
static int unsolicited_report_interval(struct in_device *in_dev)
{
+ int interval_ms, interval_jiffies;
+
if (IGMP_V1_SEEN(in_dev) || IGMP_V2_SEEN(in_dev))
- return IGMP_V2_Unsolicited_Report_Interval;
+ interval_ms = IN_DEV_CONF_GET(
+ in_dev,
+ IGMPV2_UNSOLICITED_REPORT_INTERVAL);
else /* v3 */
- return IGMP_V3_Unsolicited_Report_Interval;
+ interval_ms = IN_DEV_CONF_GET(
+ in_dev,
+ IGMPV3_UNSOLICITED_REPORT_INTERVAL);
+
+ interval_jiffies = msecs_to_jiffies(interval_ms);
+
+ /* _timer functions can't handle a delay of 0 jiffies so ensure
+ * we always return a positive value.
+ */
+ if (interval_jiffies <= 0)
+ interval_jiffies = 1;
+ return interval_jiffies;
}
static void igmpv3_add_delrec(struct in_device *in_dev, struct ip_mc_list *im);