Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx> wrote: > The purpose of this was to keep all the queues updated with > the Rx sequence numbers because unlikely yet possible > situations where queues can't understand if a specific > packet needs to be dropped or not. > > Unfortunately, it was reported that this caused issues in > our DMA engine. We don't fully understand how this is related, > but this is being currently debugged. For now, just don't send > this notification to the Rx queues. This de-facto reverts my > commit 3c514bf831ac12356b695ff054bef641b9e99593: > > iwlwifi: mvm: add a loose synchronization of the NSSN across Rx queues > > This issue was reported here: > https://bugzilla.kernel.org/show_bug.cgi?id=204873 > https://bugzilla.kernel.org/show_bug.cgi?id=205001 > and others maybe. > > Fixes: 3c514bf831ac ("iwlwifi: mvm: add a loose synchronization of the NSSN across Rx queues") > CC: <stable@xxxxxxxxxxxxxxx> # 5.3+ > Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx> Patch applied to wireless-drivers.git, thanks. d829229e35f3 iwlwifi: mvm: don't send the IWL_MVM_RXQ_NSSN_SYNC notif to Rx queues -- https://patchwork.kernel.org/patch/11270795/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
