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| author | Felix Fietkau <nbd@nbd.name> | 2023-02-13 11:08:55 +0100 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2023-02-14 12:35:02 +0100 |
| commit | 6e4c0d0460bd32ca9244dff3ba2d2da27235de11 (patch) | |
| tree | 6ccf602edcd5b9b794e89eed86dd0fc5c7287de9 /net/mac80211/sta_info.h | |
| parent | 986e43b19ae9176093da35e0a844e65c8bf9ede7 (diff) | |
| download | linux-6e4c0d0460bd32ca9244dff3ba2d2da27235de11.tar.gz linux-6e4c0d0460bd32ca9244dff3ba2d2da27235de11.tar.bz2 linux-6e4c0d0460bd32ca9244dff3ba2d2da27235de11.zip | |
wifi: mac80211: add a workaround for receiving non-standard mesh A-MSDU
At least ath10k and ath11k supported hardware (maybe more) does not implement
mesh A-MSDU aggregation in a standard compliant way.
802.11-2020 9.3.2.2.2 declares that the Mesh Control field is part of the
A-MSDU header (and little-endian).
As such, its length must not be included in the subframe length field.
Hardware affected by this bug treats the mesh control field as part of the
MSDU data and sets the length accordingly.
In order to avoid packet loss, keep track of which stations are affected
by this and take it into account when converting A-MSDU to 802.3 + mesh control
packets.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://lore.kernel.org/r/20230213100855.34315-5-nbd@nbd.name
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/sta_info.h')
| -rw-r--r-- | net/mac80211/sta_info.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h index c30f02874fb1..5a1c541bb4ac 100644 --- a/net/mac80211/sta_info.h +++ b/net/mac80211/sta_info.h @@ -707,6 +707,7 @@ struct sta_info { struct codel_params cparams; u8 reserved_tid; + s8 amsdu_mesh_control; struct cfg80211_chan_def tdls_chandef; |