6.15-stable review patch. If anyone has any objections, please let me know.
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From: Jiawen Wu jiawenwu@trustnetic.com
commit 2b30a3d1ec2538a1fd363fde746b9fe1d38abc77 upstream.
Multicast good packets received by PF rings that pass ethternet MAC address filtering are counted for rtnl_link_stats64.multicast. The counter is not cleared on read. Fix the duplicate counting on updating statistics.
Fixes: 46b92e10d631 ("net: libwx: support hardware statistics") Cc: stable@vger.kernel.org Signed-off-by: Jiawen Wu jiawenwu@trustnetic.com Reviewed-by: Simon Horman horms@kernel.org Link: https://patch.msgid.link/DA229A4F58B70E51+20250714015656.91772-1-jiawenwu@tr... Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/net/ethernet/wangxun/libwx/wx_hw.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/drivers/net/ethernet/wangxun/libwx/wx_hw.c +++ b/drivers/net/ethernet/wangxun/libwx/wx_hw.c @@ -2523,6 +2523,8 @@ void wx_update_stats(struct wx *wx) hwstats->fdirmiss += rd32(wx, WX_RDB_FDIR_MISS); }
+ /* qmprc is not cleared on read, manual reset it */ + hwstats->qmprc = 0; for (i = 0; i < wx->mac.max_rx_queues; i++) hwstats->qmprc += rd32(wx, WX_PX_MPRC(i)); }