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| author | Andrei Emeltchenko <andrei.emeltchenko@intel.com> | 2012-11-29 17:46:07 +0200 |
|---|---|---|
| committer | Gustavo Padovan <gustavo.padovan@collabora.co.uk> | 2012-12-03 16:00:01 -0200 |
| commit | cbabee788ff881b87bbaf258caf080b49a61fa43 (patch) | |
| tree | 19d1973169329e85a9d441fcfa23272925d5fb24 /net/bluetooth | |
| parent | 60918918a9f3455859a4be0d4e381003cbdb843f (diff) | |
| download | linux-3.10-cbabee788ff881b87bbaf258caf080b49a61fa43.tar.gz linux-3.10-cbabee788ff881b87bbaf258caf080b49a61fa43.tar.bz2 linux-3.10-cbabee788ff881b87bbaf258caf080b49a61fa43.zip | |
Bluetooth: Process receiving FCS_NONE in L2CAP Conf Rsp
Process L2CAP Config rsp Pending with FCS Option 0x00 (No FCS)
which is sent by Motorola Windows 7 Bluetooth stack. The trace
is shown below (all other options are skipped).
...
< ACL data: handle 1 flags 0x00 dlen 48
L2CAP(s): Config req: dcid 0x0043 flags 0x00 clen 36
...
FCS Option 0x00 (No FCS)
> ACL data: handle 1 flags 0x02 dlen 48
L2CAP(s): Config req: dcid 0x0041 flags 0x00 clen 36
...
FCS Option 0x01 (CRC16 Check)
< ACL data: handle 1 flags 0x00 dlen 47
L2CAP(s): Config rsp: scid 0x0043 flags 0x00 result 4 clen 33
Pending
...
> ACL data: handle 1 flags 0x02 dlen 50
L2CAP(s): Config rsp: scid 0x0041 flags 0x00 result 4 clen 36
Pending
...
FCS Option 0x00 (No FCS)
< ACL data: handle 1 flags 0x00 dlen 14
L2CAP(s): Config rsp: scid 0x0043 flags 0x00 result 0 clen 0
Success
> ACL data: handle 1 flags 0x02 dlen 14
L2CAP(s): Config rsp: scid 0x0041 flags 0x00 result 0 clen 0
Success
...
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Diffstat (limited to 'net/bluetooth')
| -rw-r--r-- | net/bluetooth/l2cap_core.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index d22d183ddd4..8c432771d6f 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -3431,6 +3431,13 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len, l2cap_add_conf_opt(&ptr, L2CAP_CONF_EFS, sizeof(efs), (unsigned long) &efs); break; + + case L2CAP_CONF_FCS: + if (*result == L2CAP_CONF_PENDING) + if (val == L2CAP_FCS_NONE) + set_bit(CONF_NO_FCS_RECV, + &chan->conf_state); + break; } } |