linux-kernel - [ethernet/broadcom/bgmac]: Implement software multicast filter clear

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Message-ID: <CALkFLL+LxVk+M--+qHiP6g31rcvXxBGRJpKvp=CCFekL9OyUww@mail.gmail.com>
Date: Sun, 13 Apr 2025 12:55:58 +0530
From: Ujwal Kundur <ujwal.kundur@...il.com>
To: rafal@...ecki.pl, bcm-kernel-feedback-list@...adcom.com
Cc: andrew+netdev@...n.ch, davem@...emloft.net, edumazet@...gle.com, 
	kuba@...nel.org, pabeni@...hat.com, netdev@...r.kernel.org, 
	linux-kernel@...r.kernel.org, shuah@...nel.org
Subject: [ethernet/broadcom/bgmac]: Implement software multicast filter clear

Hi,
   I'm trying to work on a few TODOs in the
drivers/net/ethernet/broadcom/bgmac.c driver code and came across the
"Clear software multicast filter list" item.
   I tried comparing the multicast filter implementation of the
sb1250-mac.c driver for inspiration but realized that most of the code
for bgmac has been written by reverse-engineering the specs:
   hhttps://bcm-v4.sipsolutions.net/Specification/

   I'd like to try my hand at this if there are documents/guides
around this topic or if there's a canonical source for the binary that
I can try reverse engineering. Please let me know if you have any
leads/advice.

   Apologies if this is misdirected, I've just started to get into
Linux kernel development / networking stack.

Thanks,
            Ujwal Kundur