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authorMarian-Cristian Rotariu <marian.rotariu@freescale.com>2015-01-15 15:02:48 (GMT)
committerOlivia Yin <r63875@freescale.com>2015-01-26 10:36:22 (GMT)
commitfa2b857e85998a6843c1a6843446ff00067fa3a4 (patch)
tree3c45e7fd44d8eed9657f59fa5a4e1f43bcaf117a /Documentation/svga.txt
parent6619b8b55796cdf0cec04b66a71288edd3057229 (diff)
downloadlinux-fsl-qoriq-fa2b857e85998a6843c1a6843446ff00067fa3a4.tar.xz
dpaa_eth: add VSP compatibility for eth ports
This patch provides compatibility for the Ethernet driver ports with the VSP capability. Until now, the FMan ports managed by the Ethernet driver were not able to properly configure VSP because of the buffer layout of the FMan ports used. When VSPs are not enabled, the RX and TX path buffer layout are different, the Ethernet driver maintains separate buffer layouts for transmission and reception. When VSPs are enabled on a certain FMan port, the buffer layouts for Rx and Tx should be the same, the same buffer layout being used inside a storage profile. In order to bypass this the VSP capability is disabled on the Tx path by setting ContextB to 0 in the FQ descriptor of the queues that are transmitting the frames to the Tx port. Change-Id: Ie29b8a0fe8b0b9c2344658f8e4a35e0392b6bf8e Signed-off-by: Marian-Cristian Rotariu <marian.rotariu@freescale.com> Reviewed-on: http://git.am.freescale.net:8181/25613 Reviewed-by: Madalin-Cristian Bucur <madalin.bucur@freescale.com>
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