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Message-Id: <20231221-new-gemini-ethernet-regression-v3-0-a96b4374bfe8@linaro.org>
Date: Thu, 21 Dec 2023 01:02:19 +0100
From: Linus Walleij <linus.walleij@...aro.org>
To: Hans Ulli Kroll <ulli.kroll@...glemail.com>,
"David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>
Cc: netdev@...r.kernel.org, Linus Walleij <linus.walleij@...aro.org>,
Maxime Chevallier <maxime.chevallier@...tlin.com>
Subject: [PATCH net v3 0/3] Fix a regression in the Gemini ethernet
controller.
These fixes were developed on top of the earlier fixes.
Finding the right solution is hard because the Gemini checksumming
engine is completely undocumented in the datasheets.
Signed-off-by: Linus Walleij <linus.walleij@...aro.org>
---
Changes in v3:
- Fix a whitespace bug in the first patch.
- Add generic accessors to obtain the raw ethertype of an
ethernet frame. VLAN already have the right accessors.
- Link to v2: https://lore.kernel.org/r/20231216-new-gemini-ethernet-regression-v2-0-64c269413dfa@linaro.org
Changes in v2:
- Drop the TSO and length checks altogether, this was never
working properly.
- Plan to make a proper TSO implementation in the next kernel
cycle.
- Link to v1: https://lore.kernel.org/r/20231215-new-gemini-ethernet-regression-v1-0-93033544be23@linaro.org
---
Linus Walleij (3):
net: ethernet: cortina: Drop software checksum and TSO
if_ether: Add an accessor to read the raw ethertype
net: ethernet: cortina: Bypass checksumming engine of alien ethertypes
drivers/net/ethernet/cortina/gemini.c | 34 ++++++++++++++++++----------------
include/linux/if_ether.h | 16 ++++++++++++++++
2 files changed, 34 insertions(+), 16 deletions(-)
---
base-commit: 33cc938e65a98f1d29d0a18403dbbee050dcad9a
change-id: 20231203-new-gemini-ethernet-regression-3c672de9cfd9
Best regards,
--
Linus Walleij <linus.walleij@...aro.org>
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