mwl: migrate to new net80211 encryption key API
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Authored by adrian on Jan 4 2026, 3:44 AM.

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Summary

Migrate to the new encryption key API rather than poking at the
key struct directly.

Notably this driver was very clear about its expectation the net80211
key layout w/ key, TX MIC and RX MIC matches the firmware layout
and just memcpy()'ed it. That has been refactored.

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rG FreeBSD src repository

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Buildable 69602
Build 66485: arc lint + arc unit

Event Timeline

adrian created this revision.Jan 4 2026, 3:44 AM

Herald added a subscriber: imp. · View Herald TranscriptJan 4 2026, 3:44 AM

adrian requested review of this revision.Jan 4 2026, 3:44 AM

Harbormaster completed remote builds in B69602: Diff 168987.Jan 4 2026, 3:44 AM

adrian added a parent revision: D54483: rsu: migrate to new net80211 encryption key API.Jan 4 2026, 3:47 AM

adrian added a child revision: D54485: LinuxKPI: migrate key data access to functions.

adrian added inline comments.Jan 4 2026, 3:55 AM

sys/dev/mwl/if_mwl.c
1657	TODO: technically this should be tx/rx mic len calls, but I bet the firmware doesn't support anything other than 8+8 bytes here. (much like I bet everything else.)
1664	TODO: yup, another instance of IEEE80211_KEYBUF_SIZE being used where it really means "128 bit wep/tkip/ccmp key size". I'm going to need to clean this up too.

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sys/

dev/

mwl/

if_mwl.c

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Diff 168987

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mwl: migrate to new net80211 encryption key APINeeds ReviewPublicActions