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igmpproxy: add patch to silence unnecessary logging of downstream igmp traffic

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This patch adds a simple check to silence logging of messages about
unrecognized igmp packets which originate from devices in local network.

Without this patch igmpproxy floods openwrt syslog with messages such as:
  user.warn igmpproxy[19818]: The source address 192.168.1.175 for group
  239.255.250.250, is not in any valid net for upstream VIF.

Signed-off-by: Antti Seppälä <a.seppala@gmail.com>

SVN-Revision: 44020
This commit is contained in:
Felix Fietkau 2015-01-18 00:42:43 +00:00
parent e9e6e75c2a
commit 2f43d3dcba
1 changed files with 19 additions and 0 deletions
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19
package/network/services/igmpproxy/patches/020-Silence-downstream-interface-igmp-messages.patch Normal file
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@ -0,0 +1,19 @@
--- a/src/igmp.c
+++ b/src/igmp.c
@@ -139,8 +139,14 @@
return;
}
else if(!isAdressValidForIf(checkVIF, src)) {
- my_log(LOG_WARNING, 0, "The source address %s for group %s, is not in any valid net for upstream VIF.",
- inetFmt(src, s1), inetFmt(dst, s2));
+ struct IfDesc *downVIF = getIfByAddress(src);
+ if (downVIF && downVIF->state & IF_STATE_DOWNSTREAM) {
+ my_log(LOG_NOTICE, 0, "The source address %s for group %s is from downstream VIF. Ignoring.",
+ inetFmt(src, s1), inetFmt(dst, s2));
+ } else {
+ my_log(LOG_WARNING, 0, "The source address %s for group %s, is not in any valid net for upstream VIF.",
+ inetFmt(src, s1), inetFmt(dst, s2));
+ }
return;
}