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Restore default MTU when field is cleared. Fixes #3926

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This commit is contained in:
Renato Botelho 2015-12-29 13:49:27 -02:00
parent 3f4e6035cb
commit c399d0dd03
1 changed files with 41 additions and 37 deletions
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78
src/etc/inc/interfaces.inc
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@ -3177,52 +3177,56 @@ function interface_configure($interface = "wan", $reloadall = false, $linkupeven
interfaces_bring_up($wancfg['if']);
}
if (!empty($wancfg['mtu'])) {
if (stristr($realif, "_vlan")) {
$assignedparent = convert_real_interface_to_friendly_interface_name($realhwif);
if (!empty($assignedparent) && !empty($config['interfaces'][$assignedparent]['mtu'])) {
$parentmtu = $config['interfaces'][$assignedparent]['mtu'];
if ($wancfg['mtu'] > $parentmtu) {
log_error("There is a conflict on MTU between parent {$realhwif} and VLAN({$realif})");
}
} else {
$parentmtu = 0;
if (isset($wancfg['mtu']) && is_numericint($wancfg['mtu'])) {
$mtu = $wancfg['mtu'];
} else {
$mtu = 1500; /* Default */
}
if (stristr($realif, "_vlan")) {
$assignedparent = convert_real_interface_to_friendly_interface_name($realhwif);
if (!empty($assignedparent) && !empty($config['interfaces'][$assignedparent]['mtu'])) {
$parentmtu = $config['interfaces'][$assignedparent]['mtu'];
if ($mtu > $parentmtu) {
log_error("There is a conflict on MTU between parent {$realhwif} and VLAN({$realif})");
}
} else {
$parentmtu = 0;
}
$parentmtu = interface_vlan_mtu_configured($realhwif, $parentmtu);
$parentmtu = interface_vlan_mtu_configured($realhwif, $parentmtu);
if (get_interface_mtu($realhwif) != $parentmtu) {
pfSense_interface_mtu($realhwif, $parentmtu);
}
if (get_interface_mtu($realhwif) != $parentmtu) {
pfSense_interface_mtu($realhwif, $parentmtu);
}
/* All vlans need to use the same mtu value as their parent. */
interface_vlan_adapt_mtu(link_interface_to_vlans($realhwif), $parentmtu);
} else if (substr($realif, 0, 4) == 'lagg') {
/* LAGG interface must be destroyed and re-created to change MTU */
if ($wancfg['mtu'] != get_interface_mtu($realif)) {
if (isset($config['laggs']['lagg']) && is_array($config['laggs']['lagg'])) {
foreach ($config['laggs']['lagg'] as $lagg) {
if ($lagg['laggif'] == $realif) {
interface_lagg_configure($lagg);
break;
}
/* All vlans need to use the same mtu value as their parent. */
interface_vlan_adapt_mtu(link_interface_to_vlans($realhwif), $parentmtu);
} else if (substr($realif, 0, 4) == 'lagg') {
/* LAGG interface must be destroyed and re-created to change MTU */
if ($mtu != get_interface_mtu($realif)) {
if (isset($config['laggs']['lagg']) && is_array($config['laggs']['lagg'])) {
foreach ($config['laggs']['lagg'] as $lagg) {
if ($lagg['laggif'] == $realif) {
interface_lagg_configure($lagg);
break;
}
}
}
} else {
if ($wancfg['mtu'] != get_interface_mtu($realif)) {
pfSense_interface_mtu($realif, $wancfg['mtu']);
}
/* This case is needed when the parent of vlans is being configured */
$vlans = link_interface_to_vlans($realif);
if (is_array($vlans)) {
interface_vlan_adapt_mtu($vlans, $wancfg['mtu']);
}
unset($vlans);
}
/* XXX: What about gre/gif/.. ? */
} else {
if ($mtu != get_interface_mtu($realif)) {
pfSense_interface_mtu($realif, $mtu);
}
/* This case is needed when the parent of vlans is being configured */
$vlans = link_interface_to_vlans($realif);
if (is_array($vlans)) {
interface_vlan_adapt_mtu($vlans, $mtu);
}
unset($vlans);
}
/* XXX: What about gre/gif/.. ? */
switch ($wancfg['ipaddr']) {
case 'dhcp':