From: David Miller <davem@davemloft.net>
To: peppe.cavallaro@st.com
Cc: netdev@vger.kernel.org, keguang.zhang@gmail.com
Subject: Re: [PATCH 3/3] stmmac: update normal descriptor structure
Date: Wed, 26 Oct 2011 17:23:36 -0400 (EDT) [thread overview]
Message-ID: <20111026.172336.2194646960980073121.davem@davemloft.net> (raw)
In-Reply-To: <1319637339-14866-3-git-send-email-peppe.cavallaro@st.com>
From: Giuseppe CAVALLARO <peppe.cavallaro@st.com>
Date: Wed, 26 Oct 2011 15:55:39 +0200
> This patch updates the normal descriptor structure
> to work fine on new GMAC Synopsys chips.
>
> Normal descriptors were designed on the old MAC10/100
> databook 1.91 where some bits were reserved: for example
> the tx checksum insertion and rx checksum offload.
>
> The patch maintains the back-compatibility with old
> MAC devices (tested on STx7109 MAC10/100) and adds new
> fields that actually new GMAC devices can use.
>
> For example, STx7109 (MAC10/100) will pass from the platform
> tx_coe = 0, enh_desc = 0, has_gmac = 0.
> A platform like Loongson1B (GMAC) will pass:
> tx_coe = 1, enh_desc = 0, has_gmac = 1.
>
> Thanks to Kelvin, he enhanced the normal descriptors for
> GMAC (on MIPS Loongson1B platform).
>
> Signed-off-by: Kelvin Cheung <keguang.zhang@gmail.com>
> Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Applied.
next prev parent reply other threads:[~2011-10-26 21:23 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-26 13:55 [PATCH 1/3] stmmac: fix a bug while checking the HW cap reg Giuseppe CAVALLARO
2011-10-26 13:55 ` [PATCH 2/3] stmmac: fix NULL pointer dereference in capabilities fixup Giuseppe CAVALLARO
2011-10-26 21:23 ` David Miller
2011-10-26 22:34 ` David Miller
2011-10-26 22:26 ` Ben Hutchings
2011-10-27 5:36 ` Giuseppe CAVALLARO
2011-10-26 13:55 ` [PATCH 3/3] stmmac: update normal descriptor structure Giuseppe CAVALLARO
2011-10-26 21:23 ` David Miller [this message]
2011-10-26 21:23 ` [PATCH 1/3] stmmac: fix a bug while checking the HW cap reg David Miller
2011-10-27 5:43 ` [PATCH 1/3] stmmac: fix a bug while checking the HW cap reg (v2) Giuseppe CAVALLARO
2011-10-27 5:43 ` [PATCH 2/3] stmmac: fix NULL pointer dereference in capabilities fixup (v2) Giuseppe CAVALLARO
2011-10-27 5:43 ` [PATCH 3/3] stmmac: update normal descriptor structure (v2) Giuseppe CAVALLARO
2011-10-28 3:17 ` [PATCH 1/3] stmmac: fix a bug while checking the HW cap reg (v2) David Miller
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