Bug 281982 - rtw89 does not recv IPv6 MC
Summary: rtw89 does not recv IPv6 MC
Status: Closed Not A Bug
Alias: None
Product: Base System
Classification: Unclassified
Component: wireless (show other bugs)
Version: CURRENT
Hardware: amd64 Any
: --- Affects Only Me
Assignee: Bjoern A. Zeeb
URL:
Keywords:
Depends on:
Blocks: 273621
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Reported: 2024-10-10 00:04 UTC by Bjoern A. Zeeb
Modified: 2025-01-28 23:39 UTC (History)
2 users (show)

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Description Bjoern A. Zeeb freebsd_committer freebsd_triage 2024-10-10 00:04:33 UTC 
Seems IPv6 unicast and IPv4 Broadcasts works (dhclient was happy) but [incoming] IPv6 MC is not seen.

ifmcstat shows them:
        mldv2 flags=2<USEALLOW> rv 2 qi 125 qri 10 uri 3
                group ff02::202%wlan890 scopeid 0x5 mode exclude
                        mcast-macaddr 33:33:00:00:02:02
                group ff01::1%wlan890 scopeid 0x5 mode exclude
                        mcast-macaddr 33:33:00:00:00:01
                group ff02::2:737:6bf3%wlan890 scopeid 0x5 mode exclude
                        mcast-macaddr 33:33:07:37:6b:f3
                group ff02::2:ff07:376b%wlan890 scopeid 0x5 mode exclude
                        mcast-macaddr 33:33:ff:07:37:6b
                group ff02::1%wlan890 scopeid 0x5 mode exclude
                        mcast-macaddr 33:33:00:00:00:01
                group ff02::1:ff0a:467b%wlan890 scopeid 0x5 mode exclude
                        mcast-macaddr 33:33:ff:0a:46:7b


Given iwlwifi does recevied them using the same KPI likely one needs to investigate.
Comment 1 Bjoern A. Zeeb freebsd_committer freebsd_triage 2025-01-28 23:39:25 UTC 
This was very likely caused by other changes related to HW_CRYPTO support in one of my work trees.  After fixing this for rtw8x I can happily do all kinds of RX and TX again.