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From: Jeff Garzik <jgarzik@pobox.com>
To: Don Fry <pcnet32@verizon.net>
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH] pcnet32: fix non-napi packet reception
Date: Wed, 17 Oct 2007 20:21:57 -0400	[thread overview]
Message-ID: <4716A725.2030800@pobox.com> (raw)
In-Reply-To: <1192661962.474.10.camel@Linux.home>

Don Fry wrote:
> Recent changes to the driver for the new napi API broke the reception of packets when in
> non-napi mode.  The initialization of napi.weight was removed for the non-napi case
> leaving the value zero.
> 
> Tested NAPI and non-NAPI on x86_64.
> 
> Signed-off-by: Don Fry <pcnet32@verizon.net>
> ---
> --- linux-2.6.23-git7/drivers/net/orig.pcnet32.c	2007-10-15 11:19:17.000000000 -0700
> +++ linux-2.6.23-git7/drivers/net/pcnet32.c	2007-10-17 15:56:15.000000000 -0700
> @@ -1849,6 +1849,9 @@ pcnet32_probe1(unsigned long ioaddr, int
>  	lp->mii_if.mdio_read = mdio_read;
>  	lp->mii_if.mdio_write = mdio_write;
>  
> +	/* napi.weight is used in both the napi and non-napi cases */
> +	lp->napi.weight = lp->rx_ring_size / 2;
> +
>  #ifdef CONFIG_PCNET32_NAPI
>  	netif_napi_add(dev, &lp->napi, pcnet32_poll, lp->rx_ring_size / 2);
>  #endif

applied



  parent reply	other threads:[~2007-10-18  0:21 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-10-17 22:59 [PATCH] pcnet32: fix non-napi packet reception Don Fry
2007-10-17 23:55 ` Jeff Garzik
2007-10-18  0:21 ` Jeff Garzik [this message]
  -- strict thread matches above, loose matches on Subject: below --
2007-10-18  0:04 Don Fry
2007-10-18 19:23 ` Lennart Sorensen

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