google / google/rootcanal

L2CAP data transferring limitation

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#42 2 comments 0 reactions 0 assignees View on GitHub
Dominant language
C++
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Description

OBEX, AVDTP or other protocol through L2CAP doesn’t work if the packet size is bigger than 494 octet length. After this, the receiver side controller does not respond unless reattaching Rootcanal controller.

-Host allowable fragment size is 1023 from HCI_Read_buffer_size
-Controller’s maximum ACL Data buffer is 1023 * 10.

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