Module Name: src
Committed By: riastradh
Date: Tue Jun 30 16:21:17 UTC 2020
Modified Files:
src/sys/crypto/aes: aes_impl.c
Log Message:
New sysctl node hw.aes_impl for selected AES implementation.
To generate a diff of this commit:
cvs rdiff -u -r1.2 -r1.3 src/sys/crypto/aes/aes_impl.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/crypto/aes/aes_impl.c
diff -u src/sys/crypto/aes/aes_impl.c:1.2 src/sys/crypto/aes/aes_impl.c:1.3
--- src/sys/crypto/aes/aes_impl.c:1.2 Mon Jun 29 23:36:59 2020
+++ src/sys/crypto/aes/aes_impl.c Tue Jun 30 16:21:17 2020
@@ -1,4 +1,4 @@
-/* $NetBSD: aes_impl.c,v 1.2 2020/06/29 23:36:59 riastradh Exp $ */
+/* $NetBSD: aes_impl.c,v 1.3 2020/06/30 16:21:17 riastradh Exp $ */
/*-
* Copyright (c) 2020 The NetBSD Foundation, Inc.
@@ -27,12 +27,13 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(1, "$NetBSD: aes_impl.c,v 1.2 2020/06/29 23:36:59 riastradh Exp $");
+__KERNEL_RCSID(1, "$NetBSD: aes_impl.c,v 1.3 2020/06/30 16:21:17 riastradh Exp $");
#include <sys/types.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/once.h>
+#include <sys/sysctl.h>
#include <sys/systm.h>
#include <crypto/aes/aes.h>
@@ -43,6 +44,30 @@ static int aes_selftest_stdkeysched(void
static const struct aes_impl *aes_md_impl __read_mostly;
static const struct aes_impl *aes_impl __read_mostly;
+static int
+sysctl_hw_aes_impl(SYSCTLFN_ARGS)
+{
+ struct sysctlnode node;
+
+ KASSERTMSG(aes_impl != NULL,
+ "sysctl ran before AES implementation was selected");
+
+ node = *rnode;
+ node.sysctl_data = __UNCONST(aes_impl->ai_name);
+ node.sysctl_size = strlen(aes_impl->ai_name) + 1;
+ return sysctl_lookup(SYSCTLFN_CALL(&node));
+}
+
+SYSCTL_SETUP(sysctl_hw_aes_setup, "sysctl hw.aes_impl setup")
+{
+
+ sysctl_createv(clog, 0, NULL, NULL,
+ CTLFLAG_PERMANENT|CTLFLAG_READONLY, CTLTYPE_STRING, "aes_impl",
+ SYSCTL_DESCR("Selected AES implementation"),
+ sysctl_hw_aes_impl, 0, NULL, 0,
+ CTL_HW, CTL_CREATE, CTL_EOL);
+}
+
/*
* The timing of AES implementation selection is finicky:
*