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Bluetooth: Move SMP crypto functions to a workqueue

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The function crypto_blkcipher_setkey() called by smp_e()
can sleep, so all the crypto work has to be moved to
hci_dev workqueue.

Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@openbossa.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
This commit is contained in:
Vinicius Costa Gomes
2011-09-05 14:31:31 -03:00
committed by Gustavo F. Padovan
parent 1c1def09c4
commit 8aab47574a
3 changed files with 185 additions and 103 deletions
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9
include/net/bluetooth/smp.h
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@@ -116,13 +116,18 @@ struct smp_cmd_security_req {
#define SMP_MAX_ENC_KEY_SIZE 16
struct smp_chan {
struct l2cap_conn *conn;
u8 preq[7]; /* SMP Pairing Request */
u8 prsp[7]; /* SMP Pairing Response */
u8 prnd[16]; /* SMP Pairing Random */
u8 prnd[16]; /* SMP Pairing Random (local) */
u8 rrnd[16]; /* SMP Pairing Random (remote) */
u8 pcnf[16]; /* SMP Pairing Confirm */
u8 tk[16]; /* SMP Temporary Key */
u8 smp_key_size;
struct crypto_blkcipher *tfm;
struct work_struct confirm;
struct work_struct random;
};
/* SMP Commands */
@@ -130,4 +135,6 @@ int smp_conn_security(struct l2cap_conn *conn, __u8 sec_level);
int smp_sig_channel(struct l2cap_conn *conn, struct sk_buff *skb);
int smp_distribute_keys(struct l2cap_conn *conn, __u8 force);
void smp_chan_destroy(struct l2cap_conn *conn);
#endif /* __SMP_H */