net: dlink: fix multicast stats being counted incorrectly
[ Upstream commit 007a5ffadc4fd51739527f1503b7cf048f31c413 ] `McstFramesRcvdOk` counts the number of received multicast packets, and it reports the value correctly. However, reading `McstFramesRcvdOk` clears the register to zero. As a result, the driver was reporting only the packets since the last read, instead of the accumulated total. Fix this by updating the multicast statistics accumulatively instaed of instantaneously. Fixes: 1da177e4 ("Linux-2.6.12-rc2") Tested-on: D-Link DGE-550T Rev-A3 Signed-off-by:Yeounsu Moon <yyyynoom@gmail.com> Reviewed-by:
Andrew Lunn <andrew@lunn.ch> Link: https://patch.msgid.link/20250823182927.6063-3-yyyynoom@gmail.com Signed-off-by:
Jakub Kicinski <kuba@kernel.org> Signed-off-by:
Sasha Levin <sashal@kernel.org>
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