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Sieng-Piaw Liew 32f08b7b43 atl1c: Work around the DMA RX overflow issue

[ Upstream commit 86565682e9 ]

This is based on alx driver commit 881d0327db ("net: alx: Work around
the DMA RX overflow issue").

The alx and atl1c drivers had RX overflow error which was why a custom
allocator was created to avoid certain addresses. The simpler workaround
then created for alx driver, but not for atl1c due to lack of tester.

Instead of using a custom allocator, check the allocated skb address and
use skb_reserve() to move away from problematic 0x...fc0 address.

Tested on AR8131 on Acer 4540.

Signed-off-by: Sieng-Piaw Liew <liew.s.piaw@gmail.com>
Link: https://lore.kernel.org/r/20230912010711.12036-1-liew.s.piaw@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2023-11-28 17:19:37 +00:00

alx

alx: fix OOB-read compiler warning

2023-08-22 12:30:15 +02:00

atl1c

atl1c: Work around the DMA RX overflow issue

2023-11-28 17:19:37 +00:00

atl1e

ethernet: atheros: fix return value check in atl1e_tso_csum()

2023-07-24 15:43:02 -07:00

atlx

atheros: fix return value check in atl1_tso()