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* [PATCH net-next 2/2] net: ethernet: mediatek: bug fix to disable HW LRO
       [not found] ` <1474871630-4134-1-git-send-email-nelson.chang-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
@ 2016-09-26  6:33   ` Nelson Chang
  2016-09-26 11:21     ` Sergei Shtylyov
  0 siblings, 1 reply; 3+ messages in thread
From: Nelson Chang @ 2016-09-26  6:33 UTC (permalink / raw)
  To: john-Pj+rj9U5foFAfugRpC6u6w, davem-fT/PcQaiUtIeIZ0/mPfg9Q
  Cc: netdev-u79uwXL29TY76Z2rM5mHXA, nbd-p3rKhJxN3npAfugRpC6u6w,
	linux-mediatek-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
	nelsonch.tw-Re5JQEeQqe8AvxtiuMwx3w, Nelson Chang

(1) Modify the register settings for LRO relinquishments
(2) Jump out from the waiting loop while LRO relinquishments are done

Signed-off-by: Nelson Chang <nelson.chang-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
---
 drivers/net/ethernet/mediatek/mtk_eth_soc.c | 1 +
 drivers/net/ethernet/mediatek/mtk_eth_soc.h | 4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index 62de68d..ddf20a0 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -1374,6 +1374,7 @@ static void mtk_hwlro_rx_uninit(struct mtk_eth *eth)
 			msleep(20);
 			continue;
 		}
+		break;
 	}
 
 	/* invalidate lro rings */
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
index 7e194f7..3003195 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
@@ -102,8 +102,8 @@
 #define MTK_LRO_EN			BIT(0)
 #define MTK_L3_CKS_UPD_EN		BIT(7)
 #define MTK_LRO_ALT_PKT_CNT_MODE	BIT(21)
-#define MTK_LRO_RING_RELINQUISH_REQ	(0x3 << 26)
-#define MTK_LRO_RING_RELINQUISH_DONE	(0x3 << 29)
+#define MTK_LRO_RING_RELINQUISH_REQ	(0x7 << 26)
+#define MTK_LRO_RING_RELINQUISH_DONE	(0x7 << 29)
 
 #define MTK_PDMA_LRO_CTRL_DW1	0x984
 #define MTK_PDMA_LRO_CTRL_DW2	0x988
-- 
1.9.1

^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH net-next 2/2] net: ethernet: mediatek: bug fix to disable HW LRO
  2016-09-26  6:33   ` [PATCH net-next 2/2] net: ethernet: mediatek: bug fix to disable " Nelson Chang
@ 2016-09-26 11:21     ` Sergei Shtylyov
  0 siblings, 0 replies; 3+ messages in thread
From: Sergei Shtylyov @ 2016-09-26 11:21 UTC (permalink / raw)
  To: Nelson Chang, john, davem; +Cc: nbd, netdev, linux-mediatek, nelsonch.tw

Hello.

On 9/26/2016 9:33 AM, Nelson Chang wrote:

> (1) Modify the register settings for LRO relinquishments
> (2) Jump out from the waiting loop while LRO relinquishments are done

    Why this is done in a single patch?

> Signed-off-by: Nelson Chang <nelson.chang@mediatek.com>
[...]

MBR, Sergei

^ permalink raw reply	[flat|nested] 3+ messages in thread

* RE: [PATCH net-next 2/2] net: ethernet: mediatek: bug fix to disable HW LRO
@ 2016-09-26 11:43 Nelson Chang
  0 siblings, 0 replies; 3+ messages in thread
From: Nelson Chang @ 2016-09-26 11:43 UTC (permalink / raw)
  To: sergei.shtylyov, john, davem; +Cc: nbd, netdev, linux-mediatek, nelsonch.tw

Hi Sergei,

Because these modifications are both related to LRO relinquishments, I
put them in a single patch.


Nelson

-----Original Message-----
From: Sergei Shtylyov [mailto:sergei.shtylyov@cogentembedded.com] 
Sent: Monday, September 26, 2016 7:21 PM
To: Nelson Chang (張家祥); john@phrozen.org; davem@davemloft.net
Cc: nbd@openwrt.org; netdev@vger.kernel.org;
linux-mediatek@lists.infradead.org; nelsonch.tw@gmail.com
Subject: Re: [PATCH net-next 2/2] net: ethernet: mediatek: bug fix to
disable HW LRO

Hello.

On 9/26/2016 9:33 AM, Nelson Chang wrote:

> (1) Modify the register settings for LRO relinquishments
> (2) Jump out from the waiting loop while LRO relinquishments are done

    Why this is done in a single patch?

> Signed-off-by: Nelson Chang <nelson.chang@mediatek.com>
[...]

MBR, Sergei

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2016-09-26 11:43 UTC | newest]

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2016-09-26  6:33 [PATCH net-next 0/2] net: ethernet: mediatek: some bug fixes for PDAM and " Nelson Chang
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2016-09-26  6:33   ` [PATCH net-next 2/2] net: ethernet: mediatek: bug fix to disable " Nelson Chang
2016-09-26 11:21     ` Sergei Shtylyov

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