From: Johan Hedberg <johan.hedberg@xxxxxxxxx>
This patch adds a basic skeleton for SMP self-tests. The tests are put
behind a new configuration option since running them will slow down the
boot process. For now there are no actual tests defined but those will
come in a subsequent patch.
Signed-off-by: Johan Hedberg <johan.hedberg@xxxxxxxxx>
---
net/bluetooth/Kconfig | 6 ++++++
net/bluetooth/smp.c | 33 +++++++++++++++++++++++++++++++++
2 files changed, 39 insertions(+)
diff --git a/net/bluetooth/Kconfig b/net/bluetooth/Kconfig
index 600fb29288f4..2675b4106b00 100644
--- a/net/bluetooth/Kconfig
+++ b/net/bluetooth/Kconfig
@@ -45,6 +45,12 @@ config BT_6LOWPAN
help
IPv6 compression over Bluetooth Low Energy.
+config BT_SELFTEST
+ bool "Run self-tests on boot"
+ depends on BT && DEBUG_KERNEL
+ help
+ Run self-tests during boot. Currently limited to SMP.
+
source "net/bluetooth/rfcomm/Kconfig"
source "net/bluetooth/bnep/Kconfig"
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index fea3782989f4..9821dc938e2c 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -1743,3 +1743,36 @@ void smp_unregister(struct hci_dev *hdev)
hdev->smp_data = NULL;
l2cap_chan_put(chan);
}
+
+#ifdef CONFIG_BT_SELFTEST
+
+static int __init run_selftests(struct crypto_blkcipher *tfm_aes)
+{
+ return 0;
+}
+
+static int __init test_smp(void)
+{
+ struct crypto_blkcipher *tfm_aes;
+ int err;
+
+ tfm_aes = crypto_alloc_blkcipher("ecb(aes)", 0, CRYPTO_ALG_ASYNC);
+ if (IS_ERR(tfm_aes)) {
+ BT_ERR("Unable to create ECB crypto context");
+ return PTR_ERR(tfm_aes);
+ }
+
+ err = run_selftests(tfm_aes);
+ if (err < 0)
+ BT_ERR("Self tests failed");
+ else
+ BT_INFO("Self-tests passed");
+
+ crypto_free_blkcipher(tfm_aes);
+
+ return err;
+}
+
+module_init(test_smp);
+
+#endif /* CONFIG_BT_SELFTEST */
--
1.9.3
--
To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
