diff options
| author | Ilan Peer <ilan.peer@intel.com> | 2026-05-15 15:09:41 +0300 |
|---|---|---|
| committer | Miri Korenblit <miriam.rachel.korenblit@intel.com> | 2026-05-26 15:17:12 +0300 |
| commit | 7b32710111214bcbb2fd0da0fd73b5c806c2d96c (patch) | |
| tree | 9c4f617c9ab0f7c49f6e4d924f651e1c76d844ec | |
| parent | f26185a4da67a40e9d805206abf77f83c541a983 (diff) | |
| download | linux-7b32710111214bcbb2fd0da0fd73b5c806c2d96c.tar.xz | |
wifi: iwlwifi: mld: Disallow using a per-STA GTK for Tx
When a GTK is configured for a station, it can only be used for Rx
and never for Tx. In such a case, set the IWL_SEC_KEY_FLAG_NO_TX
flag when the key is installed, so the FW will not use it for Tx.
Specifically, this is needed for per-station GTK installed on NAN
NDI stations associated with NAN Data interfaces.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Link: https://patch.msgid.link/20260515150751.b004744087cb.I25fb83f9e3dc563d122a160da150d793155513fa@changeid
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mld/key.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mld/key.c b/drivers/net/wireless/intel/iwlwifi/mld/key.c index a6454d90d0e3..bf80b4770b5a 100644 --- a/drivers/net/wireless/intel/iwlwifi/mld/key.c +++ b/drivers/net/wireless/intel/iwlwifi/mld/key.c @@ -49,6 +49,12 @@ static u32 iwl_mld_get_key_flags(struct iwl_mld *mld, if (key->flags & IEEE80211_KEY_FLAG_SPP_AMSDU) flags |= IWL_SEC_KEY_FLAG_SPP_AMSDU; + /* When a GTK is configured for a station, it can only be + * used for Rx and never for Tx. Thus, set the NO TX flag. + */ + if (!pairwise && sta) + flags |= IWL_SEC_KEY_FLAG_NO_TX; + return flags; } |