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authorJohan Hedberg <johan.hedberg@intel.com>2014-05-23 13:15:37 +0300
committerMarcel Holtmann <marcel@holtmann.org>2014-12-03 16:51:15 +0100
commit23fb8de376181a30c35195351ec6230167098b48 (patch)
tree92f5a31cecef6f9a22c8e58efd0e95979a0865d0 /net
parentd2eb9e10f74fc1fe5e7e7abc9965ff965e1b4f54 (diff)
Bluetooth: Add mgmt support for LE Secure Connections LTK types
We need a dedicated LTK type for LTK resulting from a Secure Connections based SMP pairing. This patch adds a new define for it and ensures that both the New LTK event as well as the Load LTKs command supports it. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net')
-rw-r--r--net/bluetooth/mgmt.c33
-rw-r--r--net/bluetooth/smp.h13
2 files changed, 39 insertions, 7 deletions
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index cbeef5f62f3b..7974a39a42d9 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -4910,18 +4910,26 @@ static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev,
else
addr_type = ADDR_LE_DEV_RANDOM;
- if (key->master)
- type = SMP_LTK;
- else
- type = SMP_LTK_SLAVE;
-
switch (key->type) {
case MGMT_LTK_UNAUTHENTICATED:
authenticated = 0x00;
+ type = key->master ? SMP_LTK : SMP_LTK_SLAVE;
break;
case MGMT_LTK_AUTHENTICATED:
authenticated = 0x01;
+ type = key->master ? SMP_LTK : SMP_LTK_SLAVE;
+ break;
+ case MGMT_LTK_P256_UNAUTH:
+ authenticated = 0x00;
+ type = SMP_LTK_P256;
+ break;
+ case MGMT_LTK_P256_AUTH:
+ authenticated = 0x01;
+ type = SMP_LTK_P256;
break;
+ case MGMT_LTK_P256_DEBUG:
+ authenticated = 0x00;
+ type = SMP_LTK_P256_DEBUG;
default:
continue;
}
@@ -6101,8 +6109,19 @@ void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
static u8 mgmt_ltk_type(struct smp_ltk *ltk)
{
- if (ltk->authenticated)
- return MGMT_LTK_AUTHENTICATED;
+ switch (ltk->type) {
+ case SMP_LTK:
+ case SMP_LTK_SLAVE:
+ if (ltk->authenticated)
+ return MGMT_LTK_AUTHENTICATED;
+ return MGMT_LTK_UNAUTHENTICATED;
+ case SMP_LTK_P256:
+ if (ltk->authenticated)
+ return MGMT_LTK_P256_AUTH;
+ return MGMT_LTK_P256_UNAUTH;
+ case SMP_LTK_P256_DEBUG:
+ return MGMT_LTK_P256_DEBUG;
+ }
return MGMT_LTK_UNAUTHENTICATED;
}
diff --git a/net/bluetooth/smp.h b/net/bluetooth/smp.h
index 7c3c351909f5..81d24c0ea08b 100644
--- a/net/bluetooth/smp.h
+++ b/net/bluetooth/smp.h
@@ -146,8 +146,21 @@ enum {
SMP_STK,
SMP_LTK,
SMP_LTK_SLAVE,
+ SMP_LTK_P256,
+ SMP_LTK_P256_DEBUG,
};
+static inline bool smp_ltk_is_sc(struct smp_ltk *key)
+{
+ switch (key->type) {
+ case SMP_LTK_P256:
+ case SMP_LTK_P256_DEBUG:
+ return true;
+ }
+
+ return false;
+}
+
static inline u8 smp_ltk_sec_level(struct smp_ltk *key)
{
if (key->authenticated)