From d4df27d4562fb34f6cb7febdd3605416924b3d1d Mon Sep 17 00:00:00 2001 From: Sean Anderson Date: Thu, 22 Aug 2024 11:40:55 -0400 Subject: [PATCH] net: xilinx: axienet: Always disable promiscuous mode BugLink: https://bugs.launchpad.net/bugs/2084005 [ Upstream commit 4ae738dfef2c0323752ab81786e2d298c9939321 ] If promiscuous mode is disabled when there are fewer than four multicast addresses, then it will not 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 Reviewed-by: Simon Horman Link: https://patch.msgid.link/20240822154059.1066595-2-sean.anderson@linux.dev Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin Signed-off-by: Koichiro Den Signed-off-by: Stefan Bader --- 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 2d6557f462e8..c1ba6c5f7f4f 100644 --- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c @@ -450,6 +450,10 @@ 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)