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author | John W. Linville <linville@tuxdriver.com> | 2012-09-28 11:11:16 -0400 |
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committer | John W. Linville <linville@tuxdriver.com> | 2012-09-28 11:11:16 -0400 |
commit | c487606f835a93a725bac1aefd536be98f22474d (patch) | |
tree | c77571a519905945e24a9ea6e4e44d9032fd527d /net/bluetooth/hci_conn.c | |
parent | d9f72f359e00a45a6cd7cc2d5121b04b9dc927e1 (diff) | |
parent | 97ea6d0f3eb019891038cd2dfddb749d6bf219be (diff) | |
download | blackbird-op-linux-c487606f835a93a725bac1aefd536be98f22474d.tar.gz blackbird-op-linux-c487606f835a93a725bac1aefd536be98f22474d.zip |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem
Conflicts:
net/nfc/netlink.c
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/bluetooth/hci_conn.c')
-rw-r--r-- | net/bluetooth/hci_conn.c | 100 |
1 files changed, 62 insertions, 38 deletions
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c index 3c094e78dde9..b9196a44f759 100644 --- a/net/bluetooth/hci_conn.c +++ b/net/bluetooth/hci_conn.c @@ -31,7 +31,7 @@ #include <net/bluetooth/a2mp.h> #include <net/bluetooth/smp.h> -static void hci_le_connect(struct hci_conn *conn) +static void hci_le_create_connection(struct hci_conn *conn) { struct hci_dev *hdev = conn->hdev; struct hci_cp_le_create_conn cp; @@ -55,12 +55,12 @@ static void hci_le_connect(struct hci_conn *conn) hci_send_cmd(hdev, HCI_OP_LE_CREATE_CONN, sizeof(cp), &cp); } -static void hci_le_connect_cancel(struct hci_conn *conn) +static void hci_le_create_connection_cancel(struct hci_conn *conn) { hci_send_cmd(conn->hdev, HCI_OP_LE_CREATE_CONN_CANCEL, 0, NULL); } -void hci_acl_connect(struct hci_conn *conn) +static void hci_acl_create_connection(struct hci_conn *conn) { struct hci_dev *hdev = conn->hdev; struct inquiry_entry *ie; @@ -104,7 +104,7 @@ void hci_acl_connect(struct hci_conn *conn) hci_send_cmd(hdev, HCI_OP_CREATE_CONN, sizeof(cp), &cp); } -static void hci_acl_connect_cancel(struct hci_conn *conn) +static void hci_acl_create_connection_cancel(struct hci_conn *conn) { struct hci_cp_create_conn_cancel cp; @@ -130,7 +130,7 @@ void hci_acl_disconn(struct hci_conn *conn, __u8 reason) hci_send_cmd(conn->hdev, HCI_OP_DISCONNECT, sizeof(cp), &cp); } -void hci_add_sco(struct hci_conn *conn, __u16 handle) +static void hci_add_sco(struct hci_conn *conn, __u16 handle) { struct hci_dev *hdev = conn->hdev; struct hci_cp_add_sco cp; @@ -246,9 +246,9 @@ static void hci_conn_timeout(struct work_struct *work) case BT_CONNECT2: if (conn->out) { if (conn->type == ACL_LINK) - hci_acl_connect_cancel(conn); + hci_acl_create_connection_cancel(conn); else if (conn->type == LE_LINK) - hci_le_connect_cancel(conn); + hci_le_create_connection_cancel(conn); } break; case BT_CONFIG: @@ -471,40 +471,37 @@ struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src) } EXPORT_SYMBOL(hci_get_route); -/* Create SCO, ACL or LE connection. - * Device _must_ be locked */ -struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, - __u8 dst_type, __u8 sec_level, __u8 auth_type) +static struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, + u8 dst_type, u8 sec_level, u8 auth_type) { - struct hci_conn *acl; - struct hci_conn *sco; struct hci_conn *le; - BT_DBG("%s dst %s", hdev->name, batostr(dst)); + le = hci_conn_hash_lookup_ba(hdev, LE_LINK, dst); + if (!le) { + le = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT); + if (le) + return ERR_PTR(-EBUSY); - if (type == LE_LINK) { - le = hci_conn_hash_lookup_ba(hdev, LE_LINK, dst); - if (!le) { - le = hci_conn_hash_lookup_state(hdev, LE_LINK, - BT_CONNECT); - if (le) - return ERR_PTR(-EBUSY); + le = hci_conn_add(hdev, LE_LINK, dst); + if (!le) + return ERR_PTR(-ENOMEM); - le = hci_conn_add(hdev, LE_LINK, dst); - if (!le) - return ERR_PTR(-ENOMEM); + le->dst_type = bdaddr_to_le(dst_type); + hci_le_create_connection(le); + } - le->dst_type = bdaddr_to_le(dst_type); - hci_le_connect(le); - } + le->pending_sec_level = sec_level; + le->auth_type = auth_type; - le->pending_sec_level = sec_level; - le->auth_type = auth_type; + hci_conn_hold(le); - hci_conn_hold(le); + return le; +} - return le; - } +static struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst, + u8 sec_level, u8 auth_type) +{ + struct hci_conn *acl; acl = hci_conn_hash_lookup_ba(hdev, ACL_LINK, dst); if (!acl) { @@ -519,10 +516,20 @@ struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, acl->sec_level = BT_SECURITY_LOW; acl->pending_sec_level = sec_level; acl->auth_type = auth_type; - hci_acl_connect(acl); + hci_acl_create_connection(acl); } - if (type == ACL_LINK) + return acl; +} + +static struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, + bdaddr_t *dst, u8 sec_level, u8 auth_type) +{ + struct hci_conn *acl; + struct hci_conn *sco; + + acl = hci_connect_acl(hdev, dst, sec_level, auth_type); + if (IS_ERR(acl)) return acl; sco = hci_conn_hash_lookup_ba(hdev, type, dst); @@ -556,6 +563,25 @@ struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, return sco; } +/* Create SCO, ACL or LE connection. */ +struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, + __u8 dst_type, __u8 sec_level, __u8 auth_type) +{ + BT_DBG("%s dst %s type 0x%x", hdev->name, batostr(dst), type); + + switch (type) { + case LE_LINK: + return hci_connect_le(hdev, dst, dst_type, sec_level, auth_type); + case ACL_LINK: + return hci_connect_acl(hdev, dst, sec_level, auth_type); + case SCO_LINK: + case ESCO_LINK: + return hci_connect_sco(hdev, type, dst, sec_level, auth_type); + } + + return ERR_PTR(-EINVAL); +} + /* Check link security requirement */ int hci_conn_check_link_mode(struct hci_conn *conn) { @@ -775,7 +801,7 @@ void hci_conn_check_pending(struct hci_dev *hdev) conn = hci_conn_hash_lookup_state(hdev, ACL_LINK, BT_CONNECT2); if (conn) - hci_acl_connect(conn); + hci_acl_create_connection(conn); hci_dev_unlock(hdev); } @@ -913,7 +939,7 @@ struct hci_chan *hci_chan_create(struct hci_conn *conn) return chan; } -int hci_chan_del(struct hci_chan *chan) +void hci_chan_del(struct hci_chan *chan) { struct hci_conn *conn = chan->conn; struct hci_dev *hdev = conn->hdev; @@ -926,8 +952,6 @@ int hci_chan_del(struct hci_chan *chan) skb_queue_purge(&chan->data_q); kfree(chan); - - return 0; } void hci_chan_list_flush(struct hci_conn *conn) |