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Message-Id: <20240815193614.4120810-2-sean.anderson@linux.dev>
Date: Thu, 15 Aug 2024 15:36:10 -0400
From: Sean Anderson <sean.anderson@...ux.dev>
To: Radhey Shyam Pandey <radhey.shyam.pandey@....com>,
	netdev@...r.kernel.org
Cc: "David S . Miller" <davem@...emloft.net>,
	Andrew Lunn <andrew@...n.ch>,
	linux-arm-kernel@...ts.infradead.org,
	Michal Simek <michal.simek@....com>,
	Daniel Borkmann <daniel@...earbox.net>,
	linux-kernel@...r.kernel.org,
	Paolo Abeni <pabeni@...hat.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Eric Dumazet <edumazet@...gle.com>,
	Sean Anderson <sean.anderson@...ux.dev>,
	Simon Horman <horms@...nel.org>
Subject: [PATCH net-next v2 1/5] net: xilinx: axienet: Always disable promiscuous mode

If promiscuous mode is disabled when there are fewer than four multicast
addresses, then it will to be reflected in the hardware. Fix this by
always clearing the promiscuous mode flag even when we program multicast
addresses.

Fixes: 8a3b7a252dca ("drivers/net/ethernet/xilinx: added Xilinx AXI Ethernet driver")
Signed-off-by: Sean Anderson <sean.anderson@...ux.dev>
Reviewed-by: Simon Horman <horms@...nel.org>
---

(no changes since v1)

 drivers/net/ethernet/xilinx/xilinx_axienet_main.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
index ca04c298daa2..e664611c29cf 100644
--- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
+++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
@@ -451,6 +451,10 @@ static void axienet_set_multicast_list(struct net_device *ndev)
 	} else if (!netdev_mc_empty(ndev)) {
 		struct netdev_hw_addr *ha;
 
+		reg = axienet_ior(lp, XAE_FMI_OFFSET);
+		reg &= ~XAE_FMI_PM_MASK;
+		axienet_iow(lp, XAE_FMI_OFFSET, reg);
+
 		i = 0;
 		netdev_for_each_mc_addr(ha, ndev) {
 			if (i >= XAE_MULTICAST_CAM_TABLE_NUM)
-- 
2.35.1.1320.gc452695387.dirty


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