netdev - Re: [PATCH v2 1/1] alx: add a simple AR816x/AR817x device driver

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Message-ID: <20130611222313.GA25499@electric-eye.fr.zoreil.com>
Date:	Wed, 12 Jun 2013 00:23:13 +0200
From:	Francois Romieu <romieu@...zoreil.com>
To:	Johannes Berg <johannes@...solutions.net>
Cc:	netdev@...r.kernel.org, mcgrof@...not-panic.com, kvalo@...rom.com,
	adrian.chadd@...il.com
Subject: Re: [PATCH v2 1/1] alx: add a simple AR816x/AR817x device driver

Johannes Berg <johannes@...solutions.net> :
[...]
> I have heavily reworked the driver to be a bit saner, and
> in the process removed a number of features: TSO/GSO, VLAN
> acceleration and multiqueue. I've also ruthlessly stripped
> things not useful to me, e.g. register access support.
> 
> Right now it only supports a single TX and RX queue and no
> special features other than checksum offload.

- The bitops for alx->int_mask in alx_check_link and alx_poll race.
  ALX_ISR_{TX/RX}_Q0 may end disabled if alx_check_link wins.

- dev_alloc_skb is a bit legacy. You may netdev_alloc_skb (_ip_align ?).

- no spin_lock_init ?

- budget may not be honored in alx_clean_rx_irq

-- 
Ueimor
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