From: Jeff Garzik <jgarzik@pobox.com>
To: Manfred Spraul <manfred@colorfullife.com>
Cc: netdev@oss.sgi.com
Subject: Re: [PATCH] cleanup large frame handling for natsemi.c
Date: Sun, 20 Jun 2004 14:38:55 -0400 [thread overview]
Message-ID: <20040620183855.GA26392@havoc.gtf.org> (raw)
In-Reply-To: <40D5BE9B.9040106@colorfullife.com>
On Sun, Jun 20, 2004 at 06:43:07PM +0200, Manfred Spraul wrote:
> @@ -1909,9 +1916,13 @@
> np->dirty_rx = 0;
> np->cur_rx = RX_RING_SIZE;
> np->oom = 0;
> - np->rx_buf_sz = PKT_BUF_SZ;
> - if (dev->mtu > ETH_DATA_LEN)
> - np->rx_buf_sz += dev->mtu - ETH_DATA_LEN;
> + if (dev->mtu <= ETH_DATA_LEN)
> + np->rx_buf_sz = ETH_DATA_LEN + NATSEMI_HEADERS;
> + else
> + np->rx_buf_sz = dev->mtu + NATSEMI_HEADERS;
> + if (np->rx_buf_sz > NATSEMI_RX_LIMIT)
> + np->rx_buf_sz = NATSEMI_RX_LIMIT;
> +
Double NAK:
1) Use PKT_BUF_SZ, don't alloc smaller than that.
2) The final check should not be needed. The code should guarantee that
np->rx_buf_sz never exceeds NATSEMI_RX_LIMIT.
Jeff
next prev parent reply other threads:[~2004-06-20 18:38 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-06-20 12:14 [PATCH] cleanup large frame handling for natsemi.c Manfred Spraul
2004-06-20 16:30 ` Jeff Garzik
2004-06-20 16:43 ` Manfred Spraul
2004-06-20 18:38 ` Jeff Garzik [this message]
2004-06-20 19:31 ` Manfred Spraul
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