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wil6210: add support for enhanced DMA RX data flows

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Enhanced DMA RX data path is handled using a single
RX descriptor ring for all VIFs.
Multiple RX status rings are supported, to allow RSS
and multi MSI support.
The driver gets the RX completions via the RX status rings.
The RX status message includes the completed RX buffer ID,
which points to the allocated SKB.

The enhanced DMA RX data flow supports RX chaining, where
multiple SKBs are merged into a single packet.

Enhanced DMA HW supports RX HW reorder offload, enabled by
default for Talyn-MB.

amsdu_en debugfs entry was added to allow control MSDU aggregation.
Use the following command to disable AMSDU (enabled by default):
echo 0 > amsdu_en

Signed-off-by: Gidon Studinski <gidons@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Gidon Studinski 2018-06-29 16:28:33 +03:00 • committed by Kalle Valo
commit 7be13fc3e6
15 changed files with 939 additions and 40 deletions
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