diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2024-02-08 18:58:36 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2024-02-12 21:24:51 +0100 |
| commit | 07da4a1b2a59d1392fc61ed12692602b89c33e8a (patch) | |
| tree | cd48fcf91503645d07882383912369391815941c /drivers/net/wireless/intel | |
| parent | 0d2fc8821a7d667180ce27732697105db843a1b9 (diff) | |
| download | linux-stable-07da4a1b2a59d1392fc61ed12692602b89c33e8a.tar.gz linux-stable-07da4a1b2a59d1392fc61ed12692602b89c33e8a.tar.bz2 linux-stable-07da4a1b2a59d1392fc61ed12692602b89c33e8a.zip | |
wifi: iwlwifi: mvm: work around A-MSDU size problem
The firmware will now start with 1500 byte A-MSDU size
rather than 3500 as before, and that seems to cause some
really hard to debug problems. Keep A-MSDU disabled if
the size is less than 2000 to disable this for now.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240208185302.3dcd0a1767d0.I450d35f3085b3b04a96dd1e1e7d8c27bda9ce8f5@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c index 71d92635d6d7..00860feefa7a 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause /* * Copyright (C) 2017 Intel Deutschland GmbH - * Copyright (C) 2018-2023 Intel Corporation + * Copyright (C) 2018-2024 Intel Corporation */ #include "rs.h" #include "fw-api.h" @@ -479,9 +479,15 @@ void iwl_mvm_tlc_update_notif(struct iwl_mvm *mvm, } if (flags & IWL_TLC_NOTIF_FLAG_AMSDU && !mvm_link_sta->orig_amsdu_len) { + u32 enabled = le32_to_cpu(notif->amsdu_enabled); u16 size = le32_to_cpu(notif->amsdu_size); int i; + if (size < 2000) { + size = 0; + enabled = 0; + } + if (link_sta->agg.max_amsdu_len < size) { /* * In debug link_sta->agg.max_amsdu_len < size @@ -492,7 +498,7 @@ void iwl_mvm_tlc_update_notif(struct iwl_mvm *mvm, goto out; } - mvmsta->amsdu_enabled = le32_to_cpu(notif->amsdu_enabled); + mvmsta->amsdu_enabled = enabled; mvmsta->max_amsdu_len = size; link_sta->agg.max_rc_amsdu_len = mvmsta->max_amsdu_len; |