From 8c9643af800426052f95c15c10d0dfac8e739884 Mon Sep 17 00:00:00 2001
From: Andre Puschmann <andre@softwareradiosystems.com>
Date: Thu, 10 Dec 2020 12:33:57 +0100
Subject: [PATCH] epc,gtpu: log info when IPv6 packet is sent

we've logged in warning mode bc we don't support IPv6 but its
causing unwanted noise in the epc log file.

it's quite normal that the Linux network stack sends IPv6 router
solicitation packets, etc. So we just ignore them and that's it.
---
 srsepc/src/mbms-gw/mbms-gw.cc | 2 +-
 srsepc/src/spgw/gtpu.cc       | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/srsepc/src/mbms-gw/mbms-gw.cc b/srsepc/src/mbms-gw/mbms-gw.cc
index 4af1cc3dd..f9e6bfc45 100644
--- a/srsepc/src/mbms-gw/mbms-gw.cc
+++ b/srsepc/src/mbms-gw/mbms-gw.cc
@@ -273,7 +273,7 @@ void mbms_gw::handle_sgi_md_pdu(srslte::byte_buffer_t* msg)
   // IP Headers
   struct iphdr* iph = (struct iphdr*)msg->msg;
   if (iph->version != 4) {
-    m_mbms_gw_log->warning("IPv6 not supported yet.\n");
+    m_mbms_gw_log->info("IPv6 not supported yet.\n");
     return;
   }
 
diff --git a/srsepc/src/spgw/gtpu.cc b/srsepc/src/spgw/gtpu.cc
index 57dbdc8e9..cd2a21f15 100644
--- a/srsepc/src/spgw/gtpu.cc
+++ b/srsepc/src/spgw/gtpu.cc
@@ -199,7 +199,7 @@ void spgw::gtpu::handle_sgi_pdu(srslte::byte_buffer_t* msg)
   m_gtpu_log->debug("Received SGi PDU. Bytes %d\n", msg->N_bytes);
 
   if (iph->version != 4) {
-    m_gtpu_log->warning("IPv6 not supported yet.\n");
+    m_gtpu_log->info("IPv6 not supported yet.\n");
     return;
   }
   if (ntohs(iph->tot_len) < 20) {