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[ Upstream commit aef7a0300047e7b4707ea0411dc9597cba108fc8 ]
Only skip the code path trying to access the rfc1042 headers when the
buffer is too small, so the driver can still process packets without
rfc1042 headers.
Fixes: 119585281617 ("wifi: mwifiex: Fix OOB and integer underflow when rx packets")
Signed-off-by: Pin-yen Lin <treapking@chromium.org>
Acked-by: Brian Norris <briannorris@chromium.org>
Reviewed-by: Matthew Wang <matthewmwang@chromium.org>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230908104308.1546501-1-treapking@chromium.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 2785851c627f2db05f9271f7f63661b5dbd95c4c ]
Add missed return in mwifiex_uap_queue_bridged_pkt() and
mwifiex_process_rx_packet().
Fixes: 119585281617 ("wifi: mwifiex: Fix OOB and integer underflow when rx packets")
Signed-off-by: Polaris Pi <pinkperfect2021@gmail.com>
Reported-by: Dmitry Antipov <dmantipov@yandex.ru>
Acked-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230810083911.3725248-1-pinkperfect2021@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 11958528161731c58e105b501ed60b83a91ea941 ]
Make sure mwifiex_process_mgmt_packet,
mwifiex_process_sta_rx_packet and mwifiex_process_uap_rx_packet,
mwifiex_uap_queue_bridged_pkt and mwifiex_process_rx_packet
not out-of-bounds access the skb->data buffer.
Fixes: 2dbaf751b1de ("mwifiex: report received management frames to cfg80211")
Signed-off-by: Polaris Pi <pinkperfect2021@gmail.com>
Reviewed-by: Matthew Wang <matthewmwang@chromium.org>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230723070741.1544662-1-pinkperfect2021@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
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Smatch complains that "local_rx_pd->priority" can't be trusted because
it comes from skb->data and it can go up to 255 instead of being capped
in the 0-7 range. A few lines earlier, on the other side of the if
statement, we cap priority so it seems harmless to add a bounds check
here as well.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Comparing the existing TX_BITRATE parsing code (in
mwifiex_parse_htinfo()) with the RX bitrate histograms in debugfs.c, it
appears that the rxpd_rate and rxpd_htinfo fields have the same format.
At least, they give reasonable results when I parse them this way.
So this patch adds support for RX_BITRATE to our station info dump.
Along the way, I add legacy bitrate parsing into the same function,
using the debugfs code (mwifiex_histogram_read() and
mwifiex_adjust_data_rate()) as reference.
Additionally, to satisfy the requirements of
NL80211_STA_INFO_RX_BITRATE, I skip logging the bitrate of multicast
packets. This shouldn't add a lot of overhead to the RX path, as there
are already several similar 802.3 header checks in this same codepath.
We can also bias the branch behavior to favor unicast, as that's the
common performance-sensitive case.
I'd consider this support somewhat experimental, as I have zero
documentation from Marvell. But the existing driver code gives me good
reason to think this is correct.
I've tested this on a few different 802.11{a,b,g,n,ac} networks, and the
reported bitrates look good to me.
Signed-off-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Block ACK action frames are dropped in driver. This error
is expected in this case. Let's lower the priority of this
message.
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Part of reorganising wireless drivers directory and Kconfig.
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Pin-yen Lin
Polaris Pi
Dan Carpenter
Brian Norris
Amitkumar Karwar
Kalle Valo