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Commit 549941b6 authored by Kirk Webb's avatar Kirk Webb
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snmpit_mellanox module complete. 

* warnings normalized.
* Added logic to deal with empty allow list for trunks
* Added some missing locking.
* Added some comments.

Also added a new test in the test harness for trunks.

On to testing.
parent 41866b66
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tbsetup/snmpit_test/MLNX-test.pl
View file @ 549941b6
......@@ -57,6 +57,7 @@ my @pget_test1 = (
["get","/mlnxos/v1/vsr/default_vsr/interfaces/101/supported_speed"],
["get","/mlnxos/v1/vsr/default_vsr/interfaces/101/configured_speed"],
["get","/mlnxos/v1/vsr/default_vsr/interfaces/101/actual_speed"],
["get","/mlnxos/v1/vsr/default_vsr/interfaces/101/lag/membership"],
["submit"]
);
......@@ -107,8 +108,29 @@ my @vport_test1 = (
["submit"]
);
my @trunk_test1 = (
["name", "Trunk Test (Eth1/8) #1"],
["action","/mlnxos/v1/vsr/default_vsr/vlans/add",{vlan_id => 666}],
["set-modify","/mlnxos/v1/vsr/default_vsr/vlans/666/name=testvlan1"],
["action","/mlnxos/v1/vsr/default_vsr/vlans/add",{vlan_id => 777}],
["set-modify","/mlnxos/v1/vsr/default_vsr/vlans/666/name=testvlan2"],
["set-modify","/mlnxos/v1/vsr/default_vsr/interfaces/101/vlans/mode=trunk"],
["action","/mlnxos/v1/vsr/default_vsr/interfaces/101/vlans/allowed/add",{vlan_ids => "666"}],
["action","/mlnxos/v1/vsr/default_vsr/interfaces/101/vlans/allowed/add",{vlan_ids => "777"}],
["submit"],
["get","/mlnxos/v1/vsr/default_vsr/interfaces/101/vlans/allowed/*"],
["get","/mlnxos/v1/vsr/default_vsr/interfaces/101/vlans/mode"],
["submit"],
["action","/mlnxos/v1/vsr/default_vsr/interfaces/101/vlans/allowed/delete",{vlan_ids => "666"}],
["action","/mlnxos/v1/vsr/default_vsr/interfaces/101/vlans/allowed/delete",{vlan_ids => "777"}],
["set-modify","/mlnxos/v1/vsr/default_vsr/interfaces/101/vlans/mode=access"],
["action","/mlnxos/v1/vsr/default_vsr/vlans/delete",{vlan_id => 666}],
["action","/mlnxos/v1/vsr/default_vsr/vlans/delete",{vlan_id => 777}],
["submit"]
);
# List the tests to run here.
my @testsets = (\@get_test1, \@pget_test1);
my @testsets = (\@pget_test1,);
my %opts = ();
......
tbsetup/snmpit_test/snmpit_mellanox.pm
View file @ 549941b6
......@@ -49,12 +49,11 @@ my $MLNX_IFC_PREFIX = "$MLNX_VSR/interfaces";
my $MLNX_VLAN_PREFIX = "$MLNX_VSR/vlans";
my $MLNX_DEF_VLAN = 1;
my $RPC_NODATA = "_NULL_";
# status indicators for ports (ifTable entries).
my $STATUS_UP = 1;
my $STATUS_DOWN = 2;
my $SNMP_NO_INSTANCE = "NOSUCHINSTNCE";
my $SNMP_NO_INSTANCE = "NOSUCHINSTANCE";
#
# Port status and control.
......@@ -178,13 +177,13 @@ sub new($$$;$) {
#
my $test_case = $self->get1("sysObjectID", 0);
if (!defined($test_case)) {
warn "WARNING: Unable to retrieve via SNMP from $self->{NAME}\n";
warn "ERROR: Unable to retrieve via SNMP from $self->{NAME}\n";
return undef;
}
# Creat ifindex interface map
if (!$self->readifIndex()) {
warn "WARNING: Unable to produce iftable map for $self->{NAME}\n";
warn "ERROR: Unable to produce ifindex map for $self->{NAME}\n";
return undef;
}
......@@ -205,7 +204,7 @@ sub initSNMPSession($) {
#
# Bomb out if the session could not be established
#
warn "WARNING: Unable to connect via SNMP to $self->{NAME}\n";
warn "ERROR: Unable to connect via SNMP to $self->{NAME}\n";
return 0;
}
......@@ -221,7 +220,7 @@ sub initRPCSession($) {
$self->{CLT} = eval { MLNX_XMLGateway->new("$self->{USER}:$self->{PASS}\@".
"$self->{NAME}") };
if ($@) {
warn "WARNING: Unable to create XML-gateway object for ".
warn "ERROR: Unable to create XML-gateway object for ".
"$self->{NAME}: $@\n";
return 0;
}
......@@ -240,13 +239,14 @@ sub initRPCSession($) {
#
sub readifIndex($) {
my $self = shift;
$self->debug($self->{NAME} . "::readifIndex:\n", 2);
my $id = $self->{NAME} . "::readifIndex";
$self->debug("$id:\n", 2);
my $rows = snmpitBulkwalkFatal($self->{SESS}, ["ifDescr"]);
if (!@$rows) {
warn "WARNING: No interface description rows returned (snmp) ".
"while attempting to build ifindex table!";
warn "$id: ERROR: No interface description rows returned ".
"while attempting to build ifindex table.\n";
return 0;
}
......@@ -254,7 +254,7 @@ sub readifIndex($) {
my ($name,$ifindex,$descr) = @$rowref;
$self->debug("got $name, $ifindex, description: $descr\n", 2);
if ($name ne "ifDescr") {
warn "WARNING: Foreign snmp var returned: $name";
warn "$id: WARNING: Foreign snmp var returned: $name";
return 0;
}
# Ethernet ports and port channels are all we care about.
......@@ -280,7 +280,7 @@ sub callRPC {
my $resp = eval { $self->{CLT}->call($callstack) };
if ($@) {
warn "WARNING: XML-gateway call failed to self->{NAME}, error: $@\n";
warn "WARNING: XML-gateway call failed to self->{NAME}: $@\n";
return undef;
}
......@@ -354,6 +354,8 @@ sub convertPortFormat($$@) {
my $output = shift;
my @ports = @_;
my $id = $self->{NAME} . "::convertPortFormat";
#
# Avoid warnings by exiting if no ports given
#
......@@ -366,7 +368,7 @@ sub convertPortFormat($$@) {
#
my $sample = $ports[0];
if (!defined($sample)) {
warn "convertPortFormat: Given a bad list of ports\n";
warn "$id: Given a bad list of ports\n";
return undef;
}
......@@ -418,7 +420,7 @@ sub convertPortFormat($$@) {
#
# Some combination we don't know how to handle
#
warn "convertPortFormat: Bad input/output combination ($input/$output)\n";
warn "$id: Bad input/output combination ($input/$output)\n";
return undef;
}
......@@ -494,6 +496,7 @@ sub getAllVlanNumbers($) {
my $resp = $self->callRPC(["get", "$MLNX_VLAN_PREFIX/*"]);
return () if !defined($resp);
my @vlnums = ();
foreach my $rv (@$resp) {
push @vlnums, $rv->[2];
......@@ -511,13 +514,14 @@ sub getPortState($$) {
my ($self, $ports) = @_;
my %ret = ();
my $id = $self->{NAME} . "::getPortState";
if (ref($ports) eq "ARRAY") {
# nothing to do - just a valid case.
} elsif ($ports eq "ALL") {
@{$ports} = map {$_ if $_ =~ /^\d+$/} keys %{$self->{IFINDEX}};
} else {
warn "Invalid argument passed to getPortState().\n";
warn "$id: WARNING: Invalid argument\n";
return undef;
}
......@@ -531,7 +535,8 @@ sub getPortState($$) {
my $resp = $self->callRPC(\@getcmds);
if (!defined($resp)) {
warn "getPortState() Failed to obtain information for requested ports on $self->{NAME}.\n";
warn "$id: WARNING: Failed to obtain information for requested ".
"ports.\n";
return undef;
}
......@@ -573,7 +578,7 @@ sub getPortState($$) {
};
DEFCASE:
warn "Unexpected path returned from $self->{NAME}: $path.\n";
warn "$id: WARNING: Unexpected path found in response.";
}
}
......@@ -603,6 +608,7 @@ sub portControl ($$@) {
my $cmd = shift;
my @ports = @_;
my $id = $self->{NAME} . "::portControl";
my $errors = 0;
$self->debug("portControl: $cmd -> (".Port->toStrings(@ports).")\n");
......@@ -622,10 +628,11 @@ sub portControl ($$@) {
if (defined $cmdPaths{$cmd}) {
my $path = $cmdPaths{$cmd};
foreach my $ifport (@ifports) {
my $cmd = [$path->[0], "$MLNX_IFC_PREFIX/$ifindex/$path->[1]",
my $cmd = [$path->[0], "$MLNX_IFC_PREFIX/$ifport/$path->[1]",
$path->[2]];
my $retval = $self->callRPC($cmd);
if (!defined($retval)) {
warn "$id: WARNING: Failed to execute $cmd on $ifport.\n";
$errors++;
}
}
......@@ -689,7 +696,7 @@ sub findVlans($@) {
$mps{$vlan_id} = undef;
}
}
$self->debug("$id RPC results: ".Dumper(\%mps));
$self->debug("$id RPC results: " . Dumper(\%mps), 2);
return %mps;
}
......@@ -706,7 +713,7 @@ sub findVlan($$;$) {
my $self = shift;
my $vlan_id = shift;
my $no_retry = shift; # ignored here
my $id = $self->{NAME} . ":findVlan";
my $id = $self->{NAME} . "::findVlan";
$self->debug("$id ( $vlan_id )\n",2);
......@@ -730,10 +737,10 @@ sub createVlan($$$) {
my $self = shift;
my $vlan_id = shift;
my $vlan_number = shift;
my $id = $self->{NAME} . ":createVlan";
my $id = $self->{NAME} . "::createVlan";
if (!defined($vlan_number)) {
warn "$id called without supplying vlan_number";
warn "$id: WARNING: called without supplying vlan_number";
return 0;
}
......@@ -741,7 +748,7 @@ sub createVlan($$$) {
my $check_number = $self->findVlan($vlan_id,1);
if (defined($check_number)) {
if ($check_number != $vlan_number) {
warn " ERROR: $id: Not creating $vlan_id because it already ".
warn "$id: WARNING: Not creating $vlan_id because it already ".
"exists with name $check_number\n";
$self->unlock();
return 0;
......@@ -759,7 +766,7 @@ sub createVlan($$$) {
$self->unlock();
if (!defined($resp)) {
warn " WARNING: $id Creating VLAN $vlan_id as VLAN #$vlan_number on ".
warn "$id: WARNING: Creating VLAN $vlan_id as VLAN #$vlan_number on ".
"$self->{NAME} failed.\n";
# XXX: Why shouldn't this be a hard failure?
}
......@@ -801,22 +808,28 @@ sub setPortVlan($$@) {
my $id = $self->{NAME} . "::setPortVlan($vlan_number)";
$self->debug($id."\n");
# Vlan must exist before being used in this function.
if (!$self->vlanNumberExists($vlan_number)) {
warn "VLAN $vlan_number does not exist on $self->{NAME}\n";
warn "$id: WARNING: VLAN $vlan_number does not exist.\n";
return 1;
}
# Anything to do?
return 0 unless(@ports);
my @swports = $self->convertPortFormat($PORT_FORMAT_IFINDEX, @ports);
$self->lock();
my $pstates = $self->getPortState(\@swports);
if (!defined($pstates)) {
warn "Failed to get port states on $self->{NAME}\n";
warn "$id: WARNING: Failed to get port states.\n";
$self->unlock();
return scalar(@ports);
}
my @setcmds = ();
# Figure out what to do based on the mode each port is in. Queue up the
# right command(s).
foreach my $ifindex (@swports) {
MODESW: for ($pstates->{$ifindex}{MODE}) {
/^access$/ && do {
......@@ -825,13 +838,21 @@ sub setPortVlan($$@) {
};
/^trunk$/ && do {
# Only attempt to add the vlan if it isn't already in the
# port's allowed list.
if (!exists($pstates->{$ifindex}{ALLOWED}{$vlan_number})) {
push @setcmds, ["action", "$MLNX_IFC_PREFIX/$ifindex/vlans/allowed/add", {vlan_ids => $vlan_number}];
# Remove the default vlan sentinel if it's present.
if (exists($pstates->{$ifindex}{ALLOWED}{$MLNX_DEF_VLAN})) {
push @setcmds, ["action", "$MLNX_IFC_PREFIX/$ifindex/vlans/allowed/delete", {vlan_ids => $MLNX_DEF_VLAN}];
}
}
last MODESW;
};
/^hybrid$/ && do {
# Only add the vlan to the port's list if it isn't already
# there, or if it isn't the native vlan.
if (!exists($pstates->{$ifindex}{ALLOWED}{$vlan_number})
&& $pstates->{$ifindex}{PVID} != $vlan_number) {
push @setcmds, ["action", "$MLNX_IFC_PREFIX/$ifindex/vlans/allowed/add", {vlan_ids => $vlan_number}];
......@@ -839,8 +860,7 @@ sub setPortVlan($$@) {
};
# default case
warn "WARNING: Unknown port mode for ifindex $ifindex on ".
"$self->{NAME}: $_";
warn "$id: WARNING: Unknown port mode for ifindex $ifindex: $_\n";
$errors++;
}
......@@ -881,7 +901,7 @@ sub delPortVlan($$@) {
$self->debug($id."\n");
if (!$self->vlanNumberExists($vlan_number)) {
warn "VLAN $vlan_number does not exist on $self->{NAME}\n";
warn "$id: WARNING: VLAN $vlan_number does not exist.\n";
return 1;
}
......@@ -889,9 +909,11 @@ sub delPortVlan($$@) {
my @swports = $self->convertPortFormat($PORT_FORMAT_IFINDEX, @ports);
$self->lock();
my $pstates = $self->getPortState(\@swports);
if (!defined($pstates)) {
warn "Failed to get port states on $self->{NAME}\n";
warn "$id: WARNING: Failed to get port states.\n";
$self->unlock();
return scalar(@ports);
}
......@@ -917,14 +939,14 @@ sub delPortVlan($$@) {
# If the vlan is in the allowed list for this trunk
# link, then remove it from the list.
if (exists($ifc{ALLOWED}{$vlan_number})) {
if (scalar(keys %{$ifc{ALLOWED}}) == 1) {
if (keys(%{$ifc{ALLOWED}}) == 1) {
# If we are removing the last vlan in the
# list, then emit a warning and add the
# default vlan since a port in "trunk" mode
# must be a member of at least one vlan.
push @setcmds, ["set-modify", "$MLNX_IFC_PREFIX/$ifindex/vlans/allowed/add", { vlan_ids => $MLNX_DEF_VLAN }];
warn "WARNING: Removing last vlan from an equal-mode ".
"trunk's allowed list on $self->{NAME} ".
warn "$id: WARNING: Removing last vlan from an ".
"equal-mode trunk's allowed list ".
"(ifindex: $ifindex).\n";
}
push @setcmds, ["action", "$MLNX_IFC_PREFIX/$ifindex/vlans/allowed/delete", {vlan_ids => $vlan_number}];
......@@ -938,7 +960,7 @@ sub delPortVlan($$@) {
# on the port. Emit a warning when doing this.
if ($ifc{PVID} == $vlan_number) {
push @setcmds, ["set-modify", "$MLNX_IFC_PREFIX/$ifindex/vlans/pvid=$MLNX_DEF_VLAN"];
warn "WARNING: native vlan removal requested on ".
warn "$id: WARNING: native vlan removal requested on ".
"dual-mode trunk port on $self->{NAME} ".
"(ifindex: $ifindex).\n";
}
......@@ -953,12 +975,13 @@ sub delPortVlan($$@) {
};
# default
warn "Unknown port mode - $_ - for ifindex $ifindex on $self->{NAME}";
warn "$id: WARNING: Unknown port mode ($_) for ifindex $ifindex.\n";
$errors++;
}
}
my $resp = $self->callRPC(\@setcmds);
$self->unlock();
# XXX: This is pretty indiscriminate... If anything fails, we say
# everything failed!
......@@ -1041,16 +1064,24 @@ sub removeVlan($@) {
my $errors = 0;
my $id = $self->{NAME} . "::removeVlan";
$self->removePortsFromVlan(@vlan_numbers);
my @setcmds = ();
$self->lock();
my @curvlans = $self->getAllVlanNumbers();
foreach my $vlan_number (@vlan_numbers) {
$self->removePortsFromVlan($vlan_number);
my $resp = $self->callRPC(["action", "$MLNX_VLAN_PREFIX/delete", {vlan_id => $vlan_number}]);
if (!defined($resp)) {
warn "$id remove VLAN #$vlan_number failed on $self->{NAME}.\n"
$errors++;
}
push @setcmds, ["action", "$MLNX_VLAN_PREFIX/delete", {vlan_id => $vlan_number}]
if grep(/^$vlan_number$/, @curvlans);
}
my $resp = $self->callRPC(\@setcmds);
$self->unlock();
if (!defined($resp)) {
warn "$id: failed on $self->{NAME}.\n";
return scalar(@vlan_numbers);
}
return ($errors == 0) ? 1 : 0;
return 0;
}
#
......@@ -1059,7 +1090,7 @@ sub removeVlan($@) {
# portControl().
#
sub UpdateField($$$@) {
warn "ERROR: snmpit_mellanox does not support UpdateField().\n";
warn "WARNING: snmpit_mellanox does not support UpdateField().\n";
return 0;
}
......@@ -1073,7 +1104,7 @@ sub vlanHasPorts($$) {
my $pstates = $self->getPortState("ALL");
if (!defined($pstates)) {
warn "Failed to get port states on $self->{NAME}\n";
warn "$id: WARNING: Failed to get port states.\n";
return 0;
}
......@@ -1102,7 +1133,7 @@ sub listVlans($) {
my $pstates = $self->getPortState("ALL");
if (!defined($pstates)) {
warn "Failed to get port states on $self->{NAME}\n";
warn "$id: WARNING: Failed to get port states.\n";
return undef;
}
......@@ -1113,13 +1144,13 @@ sub listVlans($) {
my $resp = $self->callRPC(\@vlcmds);
if (!defined($resp) || !@$resp) {
warn "Unable to get vlan names on $self->{NAME}\n";
warn "$id: WARNING: Unable to get vlan names.\n";
return undef;
}
foreach my $rv (@$resp) {
my ($path, $type, $vlname) = @{$rv};
my $path =~ qr|^$MLNX_VLAN_PREFIX/(\d+)/|;
$path =~ qr|^$MLNX_VLAN_PREFIX/(\d+)/|;
my $vlnum = $1;
my @vlifindexes = ();
foreach my $ifindex (keys %$pstates) {
......@@ -1278,7 +1309,7 @@ sub getChannelIfIndex($@) {
my $resp = $self->callRPC(\@getcmds);
if (!defined($resp)) {
warn "Failed to lookup port channel membership on $self->{NAME}.\n";
warn "$id: WARNING: Failed to lookup port channel membership.\n";
return undef;
}
......@@ -1304,8 +1335,8 @@ sub getChannelIfIndex($@) {
$chifindex = $self->{IFINDEX}{$swports[0]};
}
$self->debug("$id gets $ifindex\n",1);
return $ifindex;
$self->debug("$id gets $chifindex\n",1);
return $chifindex;
}
......@@ -1321,38 +1352,71 @@ sub getChannelIfIndex($@) {
sub setVlansOnTrunk($$$$) {
my ($self, $modport, $value, @vlan_numbers) = @_;
my $id = $self->{NAME} . "::setVlansOnTrunk";
my $errors = 0;
#
# Some error checking (from HP)
#
if (($value != 1) && ($value != 0)) {
warn "Invalid value $value passed to setVlansOnTrunk\n";
warn "$id: WARNING: Invalid value $value passed to function.\n";
return 0;
}
if (grep(/^1$/,@vlan_numbers)) {
warn "VLAN 1 passed to setVlansOnTrunk\n";
warn "$id: WARNING: VLAN 1 passed to function.\n";
return 0;
}
my ($poifindex) = $self->convertPortFormat($PORT_FORMAT_IFINDEX, $modport);
if ($self->{IFINDEX}{$poifindex} !~ /^Po\d+$/) {
warn "$id: port $modport is not a portchannel - not adding/removing vlans!\n";
warn "$id: WARNING: port $modport is not a portchannel - ".
"not adding/removing vlans.\n";
return 0;
}
$self->lock();
my @setcmds = ();
my $action = $value ? "add" : "delete";
# XXX: argh! Deal with case where we are trying to remove the last vlan
# from the allowed list.
# Yuck. Have to process each vlan in turn, and deal with the "empty list"
# problem. More details in the comments below.
foreach my $vlnum (@vlan_numbers) {
push @setcmds, ["action","$MLNX_IFC_PREFIX/$poifindex/vlans/allowed/$action",{ vlan_ids => $vlnum }];
# Need to refresh the port's state each time since each iteration
# modifies it. We could try to do our own bookkeeping here, but it
# would get messy.
my $pstate = $self->getPortState([$poifindex]);
if (!defined($pstate)) {
warn "$id: WARNING: Could not get port state for ifindex $poifindex\n";
$errors++;
next;
}
# Only attempt removal if the vlan is actually in the allowed list.
if ($value == 0 && exists($pstate->{$poifindex}{ALLOWED}{$vlnum})) {
# If removing the last entry, then add the default
# vlan as a sentinel. Trunks have to have at least
# one entry in their allowed list on Mellanox switches.
if (keys(%{$pstate->{$poifindex}{ALLOWED}}) == 1) {
push @setcmds, ["action","$MLNX_IFC_PREFIX/$poifindex/vlans/allowed/add",{ vlan_ids => $MLNX_DEF_VLAN }];
}
push @setcmds, ["action","$MLNX_IFC_PREFIX/$poifindex/vlans/allowed/delete",{ vlan_ids => $vlnum }];
}
# Only add the vlan if it isn't already in the allowed list.
elsif ($value == 1 && !exists($pstate->{$poifindex}{ALLOWED}{$vlnum})) {
push @setcmds, ["action","$MLNX_IFC_PREFIX/$poifindex/vlans/allowed/add",{ vlan_ids => $vlnum }];
# If adding vlans, check to see if the default vlan (sentinel)
# is in the allowed list. Zap it if so.
if (exists($pstate->{$poifindex}{ALLOWED}{$MLNX_DEF_VLAN})) {
push @setcmds, ["action","$MLNX_IFC_PREFIX/$poifindex/vlans/allowed/delete",{ vlan_ids => $MLNX_DEF_VLAN }];
}
}
my $resp = $self->callRPC(\@setcmds);
$self->unlock();
if (!defined($resp)) {
warn "$id: WARNING: Could not add vlan $vlnum to portchannel ".
"with ifindex $poifindex\n";
$errors++;
}
}
my $resp = $self->callRPC(\@setcmds);
if (!defined($resp)) {
return 0;
}
return 1;
return $errors ? 0 : 1;
}
#
......@@ -1374,15 +1438,16 @@ sub enablePortTrunking2($$$$) {
$self->debug($id."\n");
if ((!$equaltrunking) &&
(!defined($native_vlan) || ($native_vlan <= 1))) {
warn "$id: inappropriate or missing PVID for trunk\n";
warn "$id: WARNING: inappropriate or missing PVID for trunk.\n";
return 0;
}
my ($ifindex) = $self->convertPortFormat($PORT_FORMAT_IFINDEX, $port);
my $pstate = $self->getPortState($ifindex);
$self->lock();
my $pstate = $self->getPortState([$ifindex]);
if (!defined($pstate)) {
warn "$id: unable to get port state for ifindex $ifindex\n";
warn "$id: WARNING: unable to get port state for ifindex $ifindex\n";
return 0;
}
......@@ -1406,13 +1471,15 @@ sub enablePortTrunking2($$$$) {
}
} else {
# Mellanox does _not_ put all existing vlans in the allowed list when
# a port is placed in 'hybrid' mode. Way to be consistent guys!
# a port is placed in 'hybrid' mode. It starts off empty. Way to be
# consistent guys!
push @setcmds, ["set-modify","$MLNX_IFC_PREFIX/$ifindex/vlans/mode=hybrid"]
if $pstate->{$ifindex}{MODE} ne "hybrid";
push @setcmds, ["set-modify","$MLNX_IFC_PREFIX/$ifindex/vlans/pvid=$native_vlan"];
}
my $resp = $self->callRPC(\@setcmds);
$self->unlock();
if (!defined($resp)) {
return 0;
}
......@@ -1433,12 +1500,24 @@ sub disablePortTrunking($$) {
$self->debug($id."\n");
my ($ifindex) = $self->convertPortFormat($PORT_FORMAT_IFINDEX, $port);
my $pstate = $self->getPortState($ifindex);
$self->lock();
my $pstate = $self->getPortState([$ifindex]);
if (!defined($pstate)) {
warn "$id: unable to get port state for ifindex $ifindex\n";
warn "$id: WARNING: unable to get port state for ifindex $ifindex\n";
$self->unlock();
return 0;
}
# If for whatever reason the port is already in access mode, we just
# abort and report success.
if ($pstate->{$ifindex}{MODE} eq "access") {
warn "$id: WARNING: Interface with ifindex $ifindex is ".
"already in access mode";
$self->unlock();
return 1;
}