From: David Miller <davem@davemloft.net>
To: eric@nelint.com
Cc: andrew@lunn.ch, edumazet@google.com, fugang.duan@nxp.com,
otavio@ossystems.com.br, netdev@vger.kernel.org,
troy.kisky@boundarydevices.com, rmk+kernel@arm.linux.org.uk,
cjb.sw.nospam@gmail.com, linux-arm-kernel@lists.infradead.org
Subject: Re: Alignment issues with freescale FEC driver
Date: Fri, 23 Sep 2016 22:45:53 -0400 (EDT) [thread overview]
Message-ID: <20160923.224553.1824171056324385383.davem@davemloft.net> (raw)
In-Reply-To: <bc19d934-f50b-50d6-0f4f-ecfcb8a2a1c9@nelint.com>
From: Eric Nelson <eric@nelint.com>
Date: Fri, 23 Sep 2016 11:35:17 -0700
> From the i.MX6DQ reference manual, bit 7 of ENET_RACC says this:
>
> "RX FIFO Shift-16
>
> When this field is set, the actual frame data starts at bit 16 of the first
> word read from the RX FIFO aligning the Ethernet payload on a
> 32-bit boundary."
>
> Same for the i.MX6UL.
>
> I'm not sure what it will take to use this, but it seems to be exactly
> what we're looking for.
+1
WARNING: multiple messages have this Message-ID (diff)
From: davem@davemloft.net (David Miller)
To: linux-arm-kernel@lists.infradead.org
Subject: Alignment issues with freescale FEC driver
Date: Fri, 23 Sep 2016 22:45:53 -0400 (EDT) [thread overview]
Message-ID: <20160923.224553.1824171056324385383.davem@davemloft.net> (raw)
In-Reply-To: <bc19d934-f50b-50d6-0f4f-ecfcb8a2a1c9@nelint.com>
From: Eric Nelson <eric@nelint.com>
Date: Fri, 23 Sep 2016 11:35:17 -0700
> From the i.MX6DQ reference manual, bit 7 of ENET_RACC says this:
>
> "RX FIFO Shift-16
>
> When this field is set, the actual frame data starts at bit 16 of the first
> word read from the RX FIFO aligning the Ethernet payload on a
> 32-bit boundary."
>
> Same for the i.MX6UL.
>
> I'm not sure what it will take to use this, but it seems to be exactly
> what we're looking for.
+1
next prev parent reply other threads:[~2016-09-24 2:45 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-23 16:43 Alignment issues with freescale FEC driver Eric Nelson
2016-09-23 16:43 ` Eric Nelson
2016-09-23 16:54 ` Eric Dumazet
2016-09-23 16:54 ` Eric Dumazet
2016-09-23 17:19 ` Eric Nelson
2016-09-23 17:19 ` Eric Nelson
2016-09-23 17:33 ` Eric Nelson
2016-09-23 17:33 ` Eric Nelson
2016-09-23 18:13 ` Andrew Lunn
2016-09-23 18:13 ` Andrew Lunn
2016-09-23 18:30 ` Russell King - ARM Linux
2016-09-23 18:30 ` Russell King - ARM Linux
2016-09-23 18:39 ` Eric Nelson
2016-09-23 18:39 ` Eric Nelson
2016-09-23 18:35 ` Eric Nelson
2016-09-23 18:35 ` Eric Nelson
2016-09-24 2:45 ` David Miller [this message]
2016-09-24 2:45 ` David Miller
2016-09-24 5:13 ` Andy Duan
2016-09-24 5:13 ` Andy Duan
2016-09-24 14:42 ` [PATCH 0/3] net: fec: updates to align IP header Eric Nelson
2016-09-24 14:42 ` [PATCH 1/3] net: fec: remove QUIRK_HAS_RACC from i.mx25 Eric Nelson
2016-09-24 14:42 ` [PATCH 2/3] net: fec: remove QUIRK_HAS_RACC from i.mx27 Eric Nelson
2016-09-24 14:42 ` [PATCH 3/3] net: fec: align IP header in hardware Eric Nelson
2016-09-26 9:26 ` David Laight
2016-09-26 18:39 ` Eric Nelson
2016-09-28 16:42 ` David Laight
2016-09-28 17:14 ` Eric Nelson
2016-09-28 17:25 ` Russell King - ARM Linux
2016-09-28 18:01 ` Eric Nelson
2016-09-29 11:07 ` David Laight
2016-09-30 13:27 ` Eric Nelson
2016-09-30 13:49 ` David Laight
2016-09-30 14:16 ` Eric Nelson
2016-10-01 19:52 ` Russell King - ARM Linux
2016-10-03 16:42 ` David Laight
2016-10-03 18:48 ` Eric Nelson
2016-10-08 2:44 ` Andy Duan
2016-09-24 15:09 ` [PATCH 0/3] net: fec: updates to align IP header Andy Duan
2016-09-24 15:29 ` Eric Nelson
2016-09-27 11:40 ` David Miller
2016-09-24 2:43 ` Alignment issues with freescale FEC driver David Miller
2016-09-24 2:43 ` David Miller
2016-09-24 12:27 ` Eric Nelson
2016-09-24 12:27 ` Eric Nelson
2016-09-23 17:37 ` Russell King - ARM Linux
2016-09-23 17:37 ` Russell King - ARM Linux
2016-09-23 18:26 ` Eric Nelson
2016-09-23 18:26 ` Eric Nelson
2016-09-23 18:37 ` Russell King - ARM Linux
2016-09-23 18:37 ` Russell King - ARM Linux
2016-09-23 18:49 ` Eric Nelson
2016-09-23 18:49 ` Eric Nelson
2016-09-23 20:22 ` Uwe Kleine-König
2016-09-23 20:22 ` Uwe Kleine-König
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