#!/usr/bin/python

# Copyright (C) International Business Machines Corp., 2005
# Author:  <dykman@us.ibm.com>

# Ping tests to dom0 interface
#  - determines dom0 network
#  - creates a single guest domain
#  - sets up a single NIC on same subnet as dom0
#  - conducts ping tests to the dom0 IP address.

# ping -c 1 -s $size $dom0_IP 
#   where $size = 1, 48, 64, 512, 1440, 1500, 1505, 
#                 4096, 4192, 32767, 65507, 65508

pingsizes = [ 1, 48, 64, 512, 1440, 1500, 1505, 4096, 4192, 
                32767, 65507 ]

from XmTestLib import *
rc = 0

# Test creates 1 domain, which requires 2 ips: 1 for the domains and 1 for
# aliases on dom0
if xmtest_netconf.canRunNetTest(2) == False:
    SKIP("Don't have enough free configured IPs to run this test")

# Fire up a guest domain w/1 nic
domain = XmTestDomain()
domain.newDevice(XenNetDevice, "eth0")

try:
    console = domain.start()
except DomainError, e:
    if verbose:
        print "Failed to create test domain because:"
        print e.extra
    FAIL(str(e))

try:
    # Ping dom0
    fails=""
    netdev = domain.getDevice("eth0")
    dom0ip = netdev.getDom0AliasIP()
    for size in pingsizes:
        out = console.runCmd("ping -q -c 1 -s " + str(size) + " " + dom0ip)
        if out["return"]:
            fails += " " + str(size) 
except ConsoleError, e:
        FAIL(str(e))

domain.stop()

if len(fails):
    FAIL("Ping to dom0 failed for size" + fails + ".")
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<td class='lines'><pre><code><style>pre { line-height: 125%; margin: 0; }
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<span class="gi">+++ b/Makefile</span>
<span class="gu">@@ -618,9 +618,9 @@ KBUILD_CFLAGS	+= $(call cc-option,-fno-P</span>
 KBUILD_AFLAGS	+= $(call cc-option,-fno-PIE)
 
 ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
<span class="gd">-KBUILD_CFLAGS	+= -Os $(call cc-disable-warning,maybe-uninitialized,)</span>
<span class="gi">+KBUILD_CFLAGS	+= -Os $(EXTRA_OPTIMIZATION) $(call cc-disable-warning,maybe-uninitialized,)</span>
 else
<span class="gd">-KBUILD_CFLAGS	+= -O2</span>
<span class="gi">+KBUILD_CFLAGS	+= -O2 -fno-reorder-blocks -fno-tree-ch $(EXTRA_OPTIMIZATION)</span>
 endif
 
 # Tell gcc to never replace conditional load with a non-conditional one
</pre></div>
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