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hci_get_route() takes reference, we should use hci_dev_put() to release
it when not need anymore.
Fixes: f764a6c2c1e4 ("Bluetooth: ISO: Add broadcast support")
Signed-off-by: Wang ShaoBo <bobo.shaobowang@huawei.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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hci_connect_cis and iso_connect_cis call hci_bind_cis inconsistently
with dst_type being either ISO socket address type or the HCI type, but
these values cannot be mixed like this. Fix this by using only the HCI
type.
CIS connection dst_type was also not initialized in hci_bind_cis, even
though it is used in hci_conn_hash_lookup_cis to find existing
connections. Set the value in hci_bind_cis, so that existing CIS
connections are found e.g. when doing deferred socket connections, also
when dst_type is not 0 (ADDR_LE_DEV_PUBLIC).
Fixes: 26afbd826ee3 ("Bluetooth: Add initial implementation of CIS connections")
Signed-off-by: Pauli Virtanen <pav@iki.fi>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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In order to properly handle shutdown syscall the code shall not assume
that the how argument is always SHUT_RDWR resulting in SHUTDOWN_MASK as
that would result in poll to immediately report EPOLLHUP instead of
properly waiting for disconnect_cfm (Disconnect Complete) which is
rather important for the likes of BAP as the CIG may need to be
reprogrammed.
Fixes: ccf74f2390d6 ("Bluetooth: Add BTPROTO_ISO socket type")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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This fixes using wrong QoS settings when attempting to send frames while
acting as peripheral since the QoS settings in use are stored in
hconn->iso_qos not in sk->qos, this is actually properly handled on
getsockopt(BT_ISO_QOS) but not on iso_send_frame.
Fixes: ccf74f2390d60 ("Bluetooth: Add BTPROTO_ISO socket type")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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BT_DEFER_SETUP shall be considered valid for all states except for
BT_CONNECTED as it is also used when initiated a connection rather then
only for BT_BOUND and BT_LISTEN.
Fixes: ccf74f2390d60 ("Bluetooth: Add BTPROTO_ISO socket type")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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The following memory corruption can happen since iso_pinfo.base size
did not account for its headers (4 bytes):
net/bluetooth/eir.c
76 memcpy(&eir[eir_len], data, data_len);
^^^^^^^ ^^^^^^^^
77 eir_len += data_len;
78
79 return eir_len;
80 }
The "eir" buffer has 252 bytes and data_len is 252 but we do a memcpy()
to &eir[4] so this can corrupt 4 bytes beyond the end of the buffer.
Fixes: f764a6c2c1e4 ("Bluetooth: ISO: Add broadcast support")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
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The C standard rules for when struct holes are zeroed out are slightly
weird. The existing assignments might initialize everything, but GCC
is allowed to (and does sometimes) leave the struct holes uninitialized,
so instead of using yet another variable and copy the QoS settings just
use a pointer to the stored QoS settings.
Fixes: ccf74f2390d60 ("Bluetooth: Add BTPROTO_ISO socket type")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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Call release_sock(sk); before returning on this error path.
Fixes: ccf74f2390d60 ("Bluetooth: Add BTPROTO_ISO socket type")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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This adds broadcast support for BTPROTO_ISO by extending the
sockaddr_iso with a new struct sockaddr_iso_bc where the socket user
can set the broadcast address when receiving, the SID and the BIS
indexes it wants to synchronize.
When using BTPROTO_ISO for broadcast the roles are:
Broadcaster -> uses connect with address set to BDADDR_ANY:
> tools/isotest -s 00:00:00:00:00:00
Broadcast Receiver -> uses listen with address set to broadcaster:
> tools/isotest -d 00:AA:01:00:00:00
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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This introduces a new socket type BTPROTO_ISO which can be enabled with
use of ISO Socket experiemental UUID, it can used to initiate/accept
connections and transfer packets between userspace and kernel similarly
to how BTPROTO_SCO works:
Central -> uses connect with address set to destination bdaddr:
> tools/isotest -s 00:AA:01:00:00:00
Peripheral -> uses listen:
> tools/isotest -d
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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