net: ethernet: mtk_eth_soc: drop packets to WDMA if the ring is full
authorFelix Fietkau <nbd@nbd.name>
Wed, 16 Nov 2022 08:07:30 +0000 (09:07 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 31 Dec 2022 12:33:02 +0000 (13:33 +0100)
commitf51617c41da1e50d77728c064833e2da50016332
treeb6521fb59a0c70a4273f8e02487e640b5452a073
parent563e45fd5046045cc194af3ba17f5423e1c98170
net: ethernet: mtk_eth_soc: drop packets to WDMA if the ring is full

[ Upstream commit f4b2fa2c25e1ade78f766aa82e733a0b5198d484 ]

Improves handling of DMA ring overflow.
Clarify other WDMA drop related comment.

Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://lore.kernel.org/r/20221116080734.44013-3-nbd@nbd.name
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/net/ethernet/mediatek/mtk_eth_soc.c
drivers/net/ethernet/mediatek/mtk_eth_soc.h