Support for flow stat for vlan packets on 82599 card using --vlan option

1 files changed, 19 insertions, 0 deletions

diff --git a/src/flow_stat_parser.cpp b/src/flow_stat_parser.cpp
index e83f8a51..59de7481 100644
--- a/src/flow_stat_parser.cpp
+++ b/src/flow_stat_parser.cpp
@@ -233,9 +233,28 @@ int C82599Parser::parse(uint8_t *p, uint16_t len) {
 
     switch( ether->getNextProtocol() ) {
     case EthernetHeader::Protocol::IP :
+        // In 82599 all streams should be with vlan, or without. Can't mix
+        if (m_vlan_supported)
+            return -1;
         m_ipv4 = (IPHeader *)(p + ETH_HDR_LEN);
         m_stat_supported = true;
         break;
+    case EthernetHeader::Protocol::VLAN :
+        if (!m_vlan_supported)
+            return -1;
+        min_len += 4;
+        if (len < min_len)
+            return -1;
+        switch ( ether->getVlanProtocol() ){
+        case EthernetHeader::Protocol::IP:
+            m_ipv4 = (IPHeader *)(p + 18);
+            m_stat_supported = true;
+            break;
+        default:
+            m_stat_supported = false;
+            return -1;
+        }
+        break;
     default:
         m_stat_supported = false;
         return -1;