]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
wifi: rtw89: pci: enlarge RX DMA buffer to consider size of RX descriptor
authorPing-Ke Shih <pkshih@realtek.com>
Sun, 21 Jan 2024 07:18:26 +0000 (15:18 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 13 Apr 2024 11:07:29 +0000 (13:07 +0200)
commit0a6def05767ca8502f1f8281847860185309edcd
tree7702602d6a14d80b6350333e1ec8922b951d4b22
parent7a71f61ebf95cedd3f245db6da397822971d8db5
wifi: rtw89: pci: enlarge RX DMA buffer to consider size of RX descriptor

[ Upstream commit c108b4a50dd7650941d4f4ec5c161655a73711db ]

Hardware puts RX descriptor and packet in RX DMA buffer, so it could be
over one buffer size if packet size is 11454, and then it will be split
into two segments. WiFi 7 chips use larger size of RX descriptor, so
enlarge DMA buffer size according to RX descriptor to have better
performance and simple flow.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240121071826.10159-5-pkshih@realtek.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/net/wireless/realtek/rtw89/pci.h