From: Andreas Wendleder <gonsolo@gmail.com>
To: linux-wireless@vger.kernel.org
Cc: julian.calaby@gmail.com, kvalo@kernel.org,
linux-kernel@vger.kernel.org, b43-dev@lists.infradead.org,
Michael Buesch <m@bues.ch>,
Johannes Berg <johannes@sipsolutions.net>
Subject: [PATCH wireless-next 0/2] wifi: b43: MAC filter and 64-bit DMA fixes for the BCM4360
Date: Wed, 14 Oct 2026 16:32:23 +0200 [thread overview]
Message-ID: <20261014143225.82149-1-gonsolo@gmail.com> (raw)
Two fixes found while bringing up a BCM4360 (MacBookAir6,1). Neither
depends on the AC PHY.
1. After an interface restart nothing was received until some other
change touched the filter: b43_op_start() zeroes wl->filter_flags,
but mac80211 computes the change against its own cached flags.
2. The 64-bit DMA engines of the BCM4352/BCM4360 cores use bus addresses
in the index and status registers. They are detected by probe, as
brcmsmac does; engines that keep offsets are untouched.
The rest of the BCM4360 support will follow once these land.
Tested on a MacBookAir6,1 (BCM4360, core revision 42) with the whole
BCM4360 support applied.
Andreas Wendleder (2):
wifi: b43: reprogram the MAC filter after an interface restart
wifi: b43: handle 64-bit DMA engines whose index registers hold bus
addresses
drivers/net/wireless/broadcom/b43/b43.h | 1 +
drivers/net/wireless/broadcom/b43/dma.c | 52 +++++++++++++++++++-----
drivers/net/wireless/broadcom/b43/dma.h | 3 ++
drivers/net/wireless/broadcom/b43/main.c | 8 ++++++++
4 files changed, 53 insertions(+), 11 deletions(-)
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next reply other threads:[~2026-10-14 14:32 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-14 14:32 Andreas Wendleder [this message]
2026-10-14 14:32 ` [PATCH wireless-next 1/2] wifi: b43: reprogram the MAC filter after an interface restart Andreas Wendleder
2026-10-14 14:32 ` [PATCH wireless-next 2/2] wifi: b43: handle 64-bit DMA engines whose index registers hold bus addresses Andreas Wendleder
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