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authorsjur.brandeland@stericsson.com <sjur.brandeland@stericsson.com>2011-12-04 11:22:53 +0000
committerDavid S. Miller <davem@davemloft.net>2011-12-05 18:27:56 -0500
commit7ad65bf68d705b445ef10b77ab50dab22be185ee (patch)
treeba354482821d658d6b9b6a4214d3dd4ba543ee23 /Documentation/IRQ-affinity.txt
parent63afe12f4be3b08597ae41ce7c0837bfc106b0ac (diff)
caif: Add support for CAIF over CDC NCM USB interface
NCM 1.0 does not support anything but Ethernet framing, hence CAIF payload will be put into Ethernet frames. Discovery is based on fixed USB vendor 0x04cc (ST-Ericsson), product-id 0x230f (NCM). In this variant only CAIF payload is sent over the NCM interface. The CAIF stack (cfusbl.c) will when USB interface register first check if we got a CDC NCM USB interface with the right VID, PID. It will then read the device's Ethernet address and create a 'template' Ethernet TX header, using a broadcast address as the destination address, and EthType 0x88b5 (802.1 Local Experimental - vendor specific). A protocol handler for 0x88b5 is setup for reception of CAIF frames from the CDC NCM USB interface. Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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