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Re: [bluetooth-dev] HCI ACL data packet length problem



Hi Nic

> I've been sending some acl data packets and have found that the hci header
> is being changed by the hardware before transmit.  It caps out at 0x20
> 0x03 for the length in the HCI header.  Even if i set the header to a
> larger value, it is changed at the other end.  The l2cap header size is
> fine, and doesn't get changed.
> 
> Has anyone else noticed this?  0x03 0x20 is 800 bytes, anything higher
> than that gets set to 0x03 0x20.  The data still gets sent, but the length
> is wrong at the other end.  Does this have anything to do with the
> databuffers?

Maybe it has something to do with the HCI_IN_SIZE which is defined in
hci.h and has the size of 800. 
I guess this is the size of the static buffer for incomming HCI packets

greetings
Wolfgang
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