From: Andriy Korud <a.korud@vector.com.pl>
To: Matt Porter <mporter@kernel.crashing.org>
Cc: jgarzik@pobox.com, linuxppc-embedded@ozlabs.org
Subject: Re: [PATCH][EMAC] allow rx of the maximum sized VLAN tagged packets
Date: Mon, 13 Dec 2004 14:08:22 +0100 [thread overview]
Message-ID: <1102943302.28201.14.camel@localhost> (raw)
In-Reply-To: <20041207105250.C13540@home.com>
Hi,
as I know from documentation and IBM's support when you program VTPID
register, EMAC will receive only frames with programmed ID. Other frames
will be received only if they do not exceed 1518 bytes.
Can anybody please comment this?
Thanks in advance,
--
Andriy Korud
On Tue, 2004-12-07 at 10:52 -0700, Matt Porter wrote:
> Patch enables EMAC to receive maximum sized VLAN tagged packets.
>
> Signed-off-by: Eugene Surovegin <ebs@ebshome.net>
> Signed-off-by: Matt Porter <mporter@kernel.crashing.org>
>
> ===== drivers/net/ibm_emac/ibm_emac.h 1.1 vs edited =====
> --- 1.1/drivers/net/ibm_emac/ibm_emac.h 2004-05-22 10:13:08 -07:00
> +++ edited/drivers/net/ibm_emac/ibm_emac.h 2004-08-24 12:19:41 -07:00
> @@ -98,7 +98,7 @@
> #endif /* CONFIG_IBM_EMAC4 */
> #define EMAC_M1_BASE (EMAC_M1_TX_FIFO_2K | \
> EMAC_M1_APP | \
> - EMAC_M1_TR)
> + EMAC_M1_TR | EMAC_M1_VLE)
>
> /* Transmit Mode Register 0 */
> #define EMAC_TMR0_GNP0 0x80000000
> ===== drivers/net/ibm_emac/ibm_emac_core.c 1.2 vs edited =====
> --- 1.2/drivers/net/ibm_emac/ibm_emac_core.c 2004-06-04 08:50:36 -07:00
> +++ edited/drivers/net/ibm_emac/ibm_emac_core.c 2004-08-24 12:18:27 -07:00
> @@ -1335,6 +1335,9 @@
>
> /* set frame gap */
> out_be32(&emacp->em0ipgvr, CONFIG_IBM_EMAC_FGAP);
> +
> + /* set VLAN Tag Protocol Identifier */
> + out_be32(&emacp->em0vtpid, 0x8100);
>
> /* Init ring buffers */
> emac_init_rings(fep->ndev);
> _______________________________________________
> Linuxppc-embedded mailing list
> Linuxppc-embedded@ozlabs.org
> https://ozlabs.org/mailman/listinfo/linuxppc-embedded
next prev parent reply other threads:[~2004-12-13 12:12 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-07 17:52 [PATCH][EMAC] allow rx of the maximum sized VLAN tagged packets Matt Porter
2004-12-13 13:08 ` Andriy Korud [this message]
2004-12-13 18:02 ` Eugene Surovegin
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