perf test with l2tp random packets

src/program/lisper/dev-env-perftest/blast01

@@ -0,0 +1 @@
+snabb/src/snabb packetblaster replay lisper01.pcap 0000:01:00.1

src/program/lisper/dev-env-perftest/blast02

@@ -0,0 +1 @@
+snabb/src/snabb packetblaster replay lisper02.pcap 0000:01:00.1

src/program/lisper/dev-env-perftest/gen_pcap.lua

@@ -3,14 +3,18 @@ local pcap = require'lib.pcap.pcap'
 local eth  = require'lib.protocol.ethernet'
 local ipv6 = require'lib.protocol.ipv6'
 local ffi  = require'ffi'
+local lib  = require'core.lib'
 
+local f
 local function file(filename)
-	local f = io.open(filename, "w")
+	if f then f:close() end
+	if not filename then return end
+	print('opening '..filename)
+	f = io.open(filename, "w")
 	pcap.write_file_header(f)
-	return f
 end
 
-local function write(f, p)
+local function write(p)
 	local buf, len = p.data, p.length
 	pcap.write_record_header(f, len)
 	print(string.format('writing %d bytes packet', p.length))
@@ -46,42 +50,40 @@ local l2tp_ct = ffi.typeof[[
 local l2tp_ct_size = ffi.sizeof(l2tp_ct)
 local l2tp_ctp = ffi.typeof("$*", l2tp_ct)
 
-local function gen(len, smac, dmac, src_ip, dst_ip, sid, cookie)
-   local dp = packet.allocate()
+local function gen(len, smac, dmac, src_ip, dst_ip, sid, cookie, l2tp_smac, l2tp_dmac)
+	local dp = packet.allocate()
 	local hsize = src_ip and l2tp_ct_size or 12
 	dp.length = hsize + len
 	ffi.copy(dp.data + hsize, ('x'):rep(len))
-   local p = ffi.cast(l2tp_ctp, dp.data)
-   ffi.copy(p.smac, smac, 6)
-   ffi.copy(p.dmac, dmac, 6)
+	local p = ffi.cast(l2tp_ctp, dp.data)
+	ffi.copy(p.smac, eth:pton(smac), 6)
+	ffi.copy(p.dmac, eth:pton(dmac), 6)
 	if src_ip then
 		p.ethertype = 0xdd86 --ipv6
 		p.flow_id = 0x60 --ipv6
-		p.payload_length = htons(len + 12 + 12) --payload + ETH + L2TPv3
+		p.payload_length = lib.htons(len + 12 + 12) --payload + ETH + L2TPv3
 		p.next_header = 115 --L2TPv3
 		p.hop_limit = 64 --default
-		ffi.copy(p.src_ip, src_ip, 16)
-		ffi.copy(p.dst_ip, dst_ip, 16)
-		p.session_id = htonl(sid)
+		ffi.copy(p.src_ip, ipv6:pton(src_ip), 16)
+		ffi.copy(p.dst_ip, ipv6:pton(dst_ip), 16)
+		p.session_id = lib.htonl(sid)
 		ffi.copy(p.cookie, cookie, 8)
+		ffi.copy(p.l2tp_smac, eth:pton(l2tp_smac), 6)
+		ffi.copy(p.l2tp_dmac, eth:pton(l2tp_dmac), 6)
 	end
-   return dp
+	write(dp)
 end
 
-local f = file'lisper01.pcap'
-local p = gen(150, '00:00:00:00:02:01', '00:00:00:00:02:02')
-write(f, p)
-f:close()
+file'lisper01.pcap'
+gen(150, '00:00:00:00:02:01', '00:00:00:00:02:02')
 
-local f = file'lisper02.pcap'
-for i=1,math.random(100, 200) do
-	local smac = eth:pton(smac)
-	local dmac = eth:pton(dmac)
-	local src_ip = ipv6:pton(scr_ip)
-	local dst_ip = ipv6:pton(dst_ip)
-	local sid = 1
+file'lisper02.pcap'
+local n = math.random(100, 200)
+for i=1,n do
+	local len = math.random(20, 200)
 	local cookie = '\0\0\0\0\0\0\0\0'
-	local len = math.random(50, 500)
-	gen(len, smac, dmac, src_ip, dst_ip, sid, cookie)
+	gen(len, '00:00:00:00:00:21', '00:00:00:00:00:01', 'fd80::21', 'fd80::01', 1, cookie, '00:00:00:00:01:01', '00:00:00:00:01:02')
+	gen(len, '00:00:00:00:00:22', '00:00:00:00:00:01', 'fd80::22', 'fd80::01', 1, cookie, '00:00:00:00:01:02', '00:00:00:00:01:01')
 end
-f:close()
+
+file()

src/program/lisper/dev-env-perftest/lisp

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+run()     { ./lisp.lua ${LISP_N}; }
+start()   { run >/dev/null & }
+stop()    { pgrep -f "lisp.lua ${LISP_N}" | xargs kill -9; }
+restart() { stop; start; }
+if [ "$1" ]; then $1; else stop; run; fi

src/program/lisper/dev-env-perftest/lisp.lua

@@ -0,0 +1 @@
+../dev-env/lisp.lua

src/program/lisper/dev-env-perftest/lisp02.fib

@@ -0,0 +1,7 @@
+{ "instance-id": 1, "eid-prefix": "000000-00aa05/48", "rlocs": [{ "rloc": "fd80::12", "priority": 1, "weight": 50 }] }
+
+{ "instance-id": 1, "eid-prefix": "000000-00aa06/48", "rlocs": [{ "rloc": "fd80:8::2", "priority": 1, "weight": 50 }] }
+
+{ "instance-id": 1, "eid-prefix": "000000-00aa07/48", "rlocs": [{ "rloc": "fd80:8::2", "priority": 1, "weight": 50 }] }
+
+{ "instance-id": 1, "eid-prefix": "ffffff-ffffff/48", "rles":  [{ "rle":  "fd80:8::2" }] }

src/program/lisper/dev-env-perftest/lisper02-restart

@@ -0,0 +1,4 @@
+#./mklisper
+export LISP_N=02
+./lisp restart
+./lisper restart

src/program/lisper/dev-env-perftest/lisper02-stop

@@ -0,0 +1,4 @@
+#./mklisper
+export LISP_N=02
+./lisp stop
+./lisper stop

src/program/lisper/dev-env-perftest/lisper02.conf

@@ -0,0 +1,27 @@
+{
+   "control_sock" : "/var/tmp/lisp-ipc-map-cache",
+   "punt_sock"    : "/var/tmp/lispers.net-itr",
+   "arp_timeout"  : 60, // seconds
+
+   "interfaces": [
+      { "name": "e0", "mac": "00:00:00:00:00:01", "pci": "0000:01:00.0" }
+   ],
+
+   "exits": [
+      { "name": "e0", "ip": "fd80::1", "interface": "e0" }
+   ],
+
+   "lispers": [
+      { "ip": "fd80::11", "exit": "e0" },
+      { "ip": "fd80::12", "exit": "e0" },
+      { "ip": "fd80::13", "exit": "e0" },
+      { "ip": "fd80::14", "exit": "e0" }
+   ],
+
+   "local_networks": [
+     { "iid": 1, "type": "L2TPv3", "ip": "fd80::21", "exit": "e0", "session_id": 1, "cookie": "" },
+     { "iid": 1, "type": "L2TPv3", "ip": "fd80::22", "exit": "e0", "session_id": 1, "cookie": "" },
+     { "iid": 1, "type": "L2TPv3", "ip": "fd80::23", "exit": "e0", "session_id": 2, "cookie": "" },
+     { "iid": 1, "type": "L2TPv3", "ip": "fd80::24", "exit": "e0", "session_id": 2, "cookie": "" }
+   ]
+}

src/program/lisper/dev-env-perftest/lisper02.log

@@ -0,0 +1,24 @@
+Links:
+  if_e0.tx -> lisper.e0
+  punt.tx -> punt_sock.rx
+  lisper.e0 -> if_e0.rx
+  ctl_sock.tx -> ctl.rx
+Params:
+  ctl_sock    : 
+    listen    : true
+    mode      : packet
+    filename  : /var/tmp/lisp-ipc-map-cache
+  punt_sock   : 
+    listen    : false
+    mode      : packet
+    filename  : /var/tmp/lispers.net-itr
+  if_e0       : 
+    pciaddr   : 0000:01:00.0
+    macaddr   : 00:00:00:00:00:01
+  punt        : 
+  ctl         : 
+  lisper      : 
+LEARN: [1] 000000-000101 <- type: l2tpv3, ip: fd80::22, session_id: 0x0001, cookie: 0
+LEARN: [1] 000000-000102 <- type: l2tpv3, ip: fd80::22, session_id: 0x0001, cookie: 0
+PUNT: {"eid-prefix" : "0000-0000-0102", "interface" : "e0"}
+PUNT: {"eid-prefix" : "0000-0000-0101", "interface" : "e0"}

src/program/lisper/dev-env-perftest/packetblaster.lua

@@ -0,0 +1 @@
+/home/capr/snabbswitch/src/program/packetblaster/packetblaster.lua