Re: [PATCH v5] net: ethernet: add driver for Aurora VLSI NB8800 Ethernet controller

From: Måns Rullgård
Date: Tue Nov 10 2015 - 14:25:54 EST


Mason <slash.tmp@xxxxxxx> writes:

> On 10/11/2015 17:14, Mans Rullgard wrote:
>
>> This adds a driver for the Aurora VLSI NB8800 Ethernet controller.
>> It is an almost complete rewrite of a driver originally found in
>> a Sigma Designs 2.6.22 tree.
>>
>> Signed-off-by: Mans Rullgard <mans@xxxxxxxxx>
>> ---
>> Changes:
>> - Refactored mdio access functions
>> - Refactored register access helpers
>> - Improved error handling in rx buffer allocation
>> - Optimised some fifo parameters
>> - Overhauled tx dma. Multiple packets are now chained in a single dma
>> operation if xmit_more is set, improving performance.
>> - Improved rx irq handling. It's not possible to disable interrupts
>> entirely for napi poll, but they can be slowed down a little.
>> - Use readx_poll_timeout in various places
>> - Improved error detection
>> - Improved statistics
>> - Report hardware statistics counters through ethtool
>> - Improved tangox-specific setup
>> - Support for flow control using pause frames
>> - Explanatory comments added
>> - Various minor stylistic changes
>> ---
>> drivers/net/ethernet/Kconfig | 1 +
>> drivers/net/ethernet/Makefile | 1 +
>> drivers/net/ethernet/aurora/Kconfig | 20 +
>> drivers/net/ethernet/aurora/Makefile | 1 +
>> drivers/net/ethernet/aurora/nb8800.c | 1530 ++++++++++++++++++++++++++++++++++
>> drivers/net/ethernet/aurora/nb8800.h | 314 +++++++
>> 6 files changed, 1867 insertions(+)
>
> The code has grown much since the previous patch, despite some
> refactoring. Is this mostly due to ethtool_ops support?
>
> drivers/net/ethernet/aurora/nb8800.c | 1146 ++++++++++++++++++++++++++++++++++
> drivers/net/ethernet/aurora/nb8800.h | 230 +++++++

Some of the increase is from new features, some from improvements, and
then there are a bunch of new comments.

--
Måns Rullgård
mans@xxxxxxxxx
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/