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Differential D49880

net80211; LinuxKPI 802.11: introduce IEEE80211_RX_F_ICV_STRIP
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Authored by bz on Apr 17 2025, 7:40 PM.
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Details

Reviewers
adrian
Group Reviewers
wireless
Commits
rG28c5a37f07b3: net80211; LinuxKPI 802.11: introduce IEEE80211_RX_F_ICV_STRIP
rG731ff40069d2: net80211; LinuxKPI 802.11: introduce IEEE80211_RX_F_ICV_STRIP
Summary

For TKIP with iwlwifi we are seeing
DECRYPTED | ICV_STRIPPED | MMIC_STRIPPED.

In tkip_decap() we however unconditionally stripped the ICV which
resulted in a short frame and Gtk handshake never finished.

Add IEEE80211_RX_F_ICV_STRIP to net80211. Add the extra check to the
TKIP code.

While there correct a comment and leave another about contiguous data
assumptions.

In LinuxKPI 802.11 translate the new flag and sort them into STRIP
and FAIL while here.

Sponsored by: The FreeBSD Foundation
MFC after: 3 days

Diff Detail

Repository
rG FreeBSD src repository
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Revision Contents
Changeset List

PathSize
sys/
compat/
linuxkpi/
common/
src/
10 lines
net80211/
1 line
9 lines

Diff 154118

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sys/compat/linuxkpi/common/src/linux_80211.c

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sys/net80211/_ieee80211.h

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sys/net80211/ieee80211_crypto_tkip.c

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