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net: ethernet: mediatek: bug fix to disable HW LRO 

(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@mediatek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Nelson Chang 2016-09-26 14:33:50 +08:00 committed by David S. Miller
parent 6bf563d50a
commit ca3ba106a9
2 changed files with 3 additions and 2 deletions
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1
drivers/net/ethernet/mediatek/mtk_eth_soc.c
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@ -1374,6 +1374,7 @@ static void mtk_hwlro_rx_uninit(struct mtk_eth *eth)
msleep(20);
continue;
}
break;
}
/* invalidate lro rings */

4
drivers/net/ethernet/mediatek/mtk_eth_soc.h
View File

@ -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