git: b3e7f403a509 - main - LinuxKPI: 802.11 ieee80211_sn_sub() fix
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Date: Mon, 25 Apr 2022 11:38:59 UTC
The branch main has been updated by bz: URL: https://cgit.FreeBSD.org/src/commit/?id=b3e7f403a509c1e643ef14d95562f5d7e329d77e commit b3e7f403a509c1e643ef14d95562f5d7e329d77e Author: Bjoern A. Zeeb <bz@FreeBSD.org> AuthorDate: 2022-04-25 11:35:57 +0000 Commit: Bjoern A. Zeeb <bz@FreeBSD.org> CommitDate: 2022-04-25 11:35:57 +0000 LinuxKPI: 802.11 ieee80211_sn_sub() fix In ieee80211_sn_sub() we need to shift the mask before applying it. This fixes the logic from 978f25e840fe4975f243e6077a764842f0e9d3eb. Reported by: J.R. Oldroyd (fbsd opal.com) MFC after: 3 days Sponsored by: The FreeBSD Foundation --- sys/compat/linuxkpi/common/include/net/mac80211.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/sys/compat/linuxkpi/common/include/net/mac80211.h b/sys/compat/linuxkpi/common/include/net/mac80211.h index dcb104947305..b1ce4c2ff2b9 100644 --- a/sys/compat/linuxkpi/common/include/net/mac80211.h +++ b/sys/compat/linuxkpi/common/include/net/mac80211.h @@ -1691,7 +1691,8 @@ static __inline uint16_t ieee80211_sn_sub(uint16_t sa, uint16_t sb) { - return ((sa - sb) & IEEE80211_SEQ_SEQ_MASK); + return ((sa - sb) & + (IEEE80211_SEQ_SEQ_MASK >> IEEE80211_SEQ_SEQ_SHIFT)); } static __inline void