[PATCH net-next 2/2] net: ethernet: mediatek: bug fix to disable HW LRO
Nelson Chang
nelson.chang at mediatek.com
Sun Sep 25 23:33:50 PDT 2016
(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 at mediatek.com>
---
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
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