From a84e59a27094e3ccc4f13b596ff1bb80e3ae267a Mon Sep 17 00:00:00 2001
From: jim-p <jimp@pfsense.org>
Date: Fri, 12 May 2017 13:42:33 -0400
Subject: [PATCH] Show if a CPU has AES-NI/CPU crypto support even if the
 module isn't loaded. Implements #7529

---
 src/usr/local/www/includes/functions.inc.php  | 33 +++++++++++++++++++
 .../widgets/system_information.widget.php     |  3 ++
 2 files changed, 36 insertions(+)

diff --git a/src/usr/local/www/includes/functions.inc.php b/src/usr/local/www/includes/functions.inc.php
index 91b0a13fb0..de4d95e6fa 100644
--- a/src/usr/local/www/includes/functions.inc.php
+++ b/src/usr/local/www/includes/functions.inc.php
@@ -239,6 +239,39 @@ function get_cpufreq() {
 	return $out;
 }
 
+function get_cpu_crypto_support() {
+	$machine = get_single_sysctl('hw.machine');
+	$accelerated_arm_platforms = array('am335x');
+	$cpucrypto_type = "";
+
+	switch ($machine) {
+		case 'amd64':
+			$cpucrypto_type = "AES-NI CPU Crypto: ";
+			exec("/usr/bin/grep -c '  Features.*AESNI' /var/log/dmesg.boot", $cpucrypto_present);
+			if ($cpucrypto_present[0] > 0) {
+				$cpucrypto_type .= "Yes ";
+				$cpucrypto_type .= ($cpucrypto_active) ? "(active)" : "(inactive)";
+			} else {
+				$cpucrypto_type .= "No";
+			}
+			$cpucrypto_active = is_module_loaded('aesni');
+		case 'arm':
+			$armplatform = get_single_sysctl('hw.platform');
+			if (in_array($armplatform, $accelerated_arm_platforms)) {
+				/* No drivers yet, so mark inactive! */
+				$cpucrypto_type = "{$armplatform} built-in CPU Crypto (inactive)";
+			}
+		default:
+			/* Unknown/unidentified platform */
+	}
+
+	if (!empty($cpucrypto_type)) {
+		return $cpucrypto_type;
+	} else {
+		return "CPU Crypto: None/Unknown Platform";
+	}
+}
+
 function get_cpu_count($show_detail = false) {
 	$cpucount = get_single_sysctl('kern.smp.cpus');
 
diff --git a/src/usr/local/www/widgets/widgets/system_information.widget.php b/src/usr/local/www/widgets/widgets/system_information.widget.php
index 1fbdd58688..838ee72b87 100644
--- a/src/usr/local/www/widgets/widgets/system_information.widget.php
+++ b/src/usr/local/www/widgets/widgets/system_information.widget.php
@@ -232,6 +232,9 @@ $rows_displayed = false;
 					<?= htmlspecialchars($cpucount) ?> <?=gettext('CPUs')?>: <?= htmlspecialchars(get_cpu_count(true)); ?>
 				</div>
 		<?php endif; ?>
+				<div id="cpucrypto">
+					<?= get_cpu_crypto_support(); ?>
+				</div>
 			</td>
 		</tr>
 <?php