iwlwifi: mvm: support new flush API
This new API allows flushing queues based on station ID and TID in A000
devices. One reason for using this is that tfd_queue_mask is only good
for 32 queues, which is not enough for A000 devices.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Mordechai Goodstein <mordechay.goodstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
index 744dc06..c2a1aee 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
@@ -119,19 +119,30 @@ static ssize_t iwl_dbgfs_tx_flush_write(struct iwl_mvm *mvm, char *buf,
size_t count, loff_t *ppos)
{
int ret;
- u32 scd_q_msk;
+ u32 flush_arg;
if (!iwl_mvm_firmware_running(mvm) ||
mvm->cur_ucode != IWL_UCODE_REGULAR)
return -EIO;
- if (sscanf(buf, "%x", &scd_q_msk) != 1)
+ if (kstrtou32(buf, 0, &flush_arg))
return -EINVAL;
- IWL_ERR(mvm, "FLUSHING queues: scd_q_msk = 0x%x\n", scd_q_msk);
+ if (iwl_mvm_has_new_tx_api(mvm)) {
+ IWL_DEBUG_TX_QUEUES(mvm,
+ "FLUSHING all tids queues on sta_id = %d\n",
+ flush_arg);
+ mutex_lock(&mvm->mutex);
+ ret = iwl_mvm_flush_sta_tids(mvm, flush_arg, 0xFF, 0) ? : count;
+ mutex_unlock(&mvm->mutex);
+ return ret;
+ }
+
+ IWL_DEBUG_TX_QUEUES(mvm, "FLUSHING queues mask to flush = 0x%x\n",
+ flush_arg);
mutex_lock(&mvm->mutex);
- ret = iwl_mvm_flush_tx_path(mvm, scd_q_msk, 0) ? : count;
+ ret = iwl_mvm_flush_tx_path(mvm, flush_arg, 0) ? : count;
mutex_unlock(&mvm->mutex);
return ret;