summaryrefslogtreecommitdiffstats
path: root/test/patches/scapy-2.4/gre.patch
blob: 740044802919f0ed9d832ff2ed7c0bf197ff0ef9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
diff --git a/scapy/layers/l2.py b/scapy/layers/l2.py
index 4f491d2..661a5da 100644
--- a/scapy/layers/l2.py
+++ b/scapy/layers/l2.py
@@ -570,6 +570,20 @@
     return getmacbyip(l3.pdst)
 conf.neighbor.register_l3(Ether, ARP, l2_register_l3_arp)
 
+
+class ERSPAN(Packet):
+    name = "ERSPAN"
+    fields_desc = [ BitField("ver",0,4),
+                    BitField("vlan",0,12),
+                    BitField("cos",0,3),
+                    BitField("en",0,2),
+                    BitField("t",0,1),
+                    BitField("session_id",0,10),
+                    BitField("reserved",0,12),
+                    BitField("index",0,20),
+                    ]
+
+
 class GRErouting(Packet):
     name = "GRE routing informations"
     fields_desc = [ ShortField("address_family",0),
--- a/scapy/layers/l2.py
+++ b/scapy/layers/l2.py
@@ -427,6 +427,7 @@ bind_layers( Dot1AD,        Dot1AD,        type=0x88a8)
 bind_layers( Dot1AD,        Dot1Q,         type=0x8100)
 bind_layers( Dot1Q,         Dot1AD,        type=0x88a8)
 bind_layers( Ether,         Ether,         type=1)
+bind_layers( GRE,           ERSPAN,        proto=0x88be, seqnum_present=1)
 bind_layers( Ether,         ARP,           type=2054)
 bind_layers( CookedLinux,   LLC,           proto=122)
 bind_layers( CookedLinux,   Dot1Q,         proto=33024)
@@ -441,6 +442,7 @@ bind_layers( GRE,           ARP,           proto=2054)
 bind_layers( GRE,           GRErouting,    { "routing_present" : 1 } )
 bind_layers( GRErouting,    conf.raw_layer,{ "address_family" : 0, "SRE_len" : 0 })
 bind_layers( GRErouting,    GRErouting,    { } )
+bind_layers( ERSPAN,        Ether)
 bind_layers( LLC,           STP,           dsap=66, ssap=66, ctrl=3)
 bind_layers( LLC,           SNAP,          dsap=170, ssap=170, ctrl=3)
 bind_layers( SNAP,          Dot1Q,         code=33024)