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| author | Johan Hedberg <johan.hedberg@intel.com> | 2014-02-28 18:10:03 +0200 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2014-02-28 08:17:46 -0800 |
| commit | e3098be40bbde0fdd5fcfa6bf28491db421d333a (patch) | |
| tree | 343f1e8eb406a28036c57a4a0317ac0e4930be71 /net/bluetooth/smp.h | |
| parent | 38ccdc93326f61b84734028e586ed522a53b733a (diff) | |
| download | lwn-e3098be40bbde0fdd5fcfa6bf28491db421d333a.tar.gz lwn-e3098be40bbde0fdd5fcfa6bf28491db421d333a.zip | |
Bluetooth: Delay LTK encryption to let remote receive all keys
Some devices may refuse to re-encrypt with the LTK if they haven't
received all our keys yet. This patch adds a 250ms delay before
attempting re-encryption with the LTK.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net/bluetooth/smp.h')
| -rw-r--r-- | net/bluetooth/smp.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/bluetooth/smp.h b/net/bluetooth/smp.h index 676395f93702..f55d83617218 100644 --- a/net/bluetooth/smp.h +++ b/net/bluetooth/smp.h @@ -121,6 +121,8 @@ struct smp_cmd_security_req { #define SMP_FLAG_LTK_ENCRYPT 4 #define SMP_FLAG_COMPLETE 5 +#define SMP_REENCRYPT_TIMEOUT msecs_to_jiffies(250) + struct smp_chan { struct l2cap_conn *conn; u8 preq[7]; /* SMP Pairing Request */ @@ -140,6 +142,7 @@ struct smp_chan { unsigned long smp_flags; struct work_struct confirm; struct work_struct random; + struct delayed_work reencrypt; }; /* SMP Commands */ |