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Date:   Tue, 14 May 2019 17:45:32 +0200
From:   Jose Abreu <Jose.Abreu@...opsys.com>
To:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Jose Abreu <Jose.Abreu@...opsys.com>,
        Joao Pinto <Joao.Pinto@...opsys.com>,
        "David S . Miller" <davem@...emloft.net>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Corentin Labbe <clabbe.montjoie@...il.com>
Subject: [RFC net-next v2 10/14] net: stmmac: dwxgmac2: Also pass control frames while in promisc mode

In order for the selftests to run the Flow Control selftest we need to
also pass pause frames to the stack.

Pass this type of frames while in promiscuous mode.

Signed-off-by: Jose Abreu <joabreu@...opsys.com>
Cc: Joao Pinto <jpinto@...opsys.com>
Cc: David S. Miller <davem@...emloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@...com>
Cc: Alexandre Torgue <alexandre.torgue@...com>
Cc: Corentin Labbe <clabbe.montjoie@...il.com>
---
 drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h      | 1 +
 drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h
index f629ccc8932a..b8296eb41011 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h
+++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h
@@ -40,6 +40,7 @@
 #define XGMAC_CORE_INIT_RX		0
 #define XGMAC_PACKET_FILTER		0x00000008
 #define XGMAC_FILTER_RA			BIT(31)
+#define XGMAC_FILTER_PCF		BIT(7)
 #define XGMAC_FILTER_PM			BIT(4)
 #define XGMAC_FILTER_HMC		BIT(2)
 #define XGMAC_FILTER_PR			BIT(0)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
index c27b3ca052ea..bfa7d6913fd4 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
@@ -310,7 +310,7 @@ static void dwxgmac2_set_filter(struct mac_device_info *hw,
 	u32 value = XGMAC_FILTER_RA;
 
 	if (dev->flags & IFF_PROMISC) {
-		value |= XGMAC_FILTER_PR;
+		value |= XGMAC_FILTER_PR | XGMAC_FILTER_PCF;
 	} else if ((dev->flags & IFF_ALLMULTI) ||
 		   (netdev_mc_count(dev) > HASH_TABLE_SIZE)) {
 		value |= XGMAC_FILTER_PM;
-- 
2.7.4

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