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net: stmmac: dwxgmac: Finish the Flow Control implementation

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Finish the implementation of Flow Control feature. In order for it to
work correctly we need to set EHFC bit and the correct threshold values
for activating and deactivating it.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jose Abreu
2019-04-17 09:33:04 +02:00
committed by David S. Miller
parent 17f780b364
commit ff82cfc783
2 changed files with 51 additions and 0 deletions
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5
drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h
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@@ -143,6 +143,11 @@
#define XGMAC_RSF BIT(5)
#define XGMAC_RTC GENMASK(1, 0)
#define XGMAC_RTC_SHIFT 0
#define XGMAC_MTL_RXQ_FLOW_CONTROL(x) (0x00001150 + (0x80 * (x)))
#define XGMAC_RFD GENMASK(31, 17)
#define XGMAC_RFD_SHIFT 17
#define XGMAC_RFA GENMASK(15, 1)
#define XGMAC_RFA_SHIFT 1
#define XGMAC_MTL_QINTEN(x) (0x00001170 + (0x80 * (x)))
#define XGMAC_RXOIE BIT(16)
#define XGMAC_MTL_QINT_STATUS(x) (0x00001174 + (0x80 * (x)))