diff options
| author | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2017-07-16 12:45:12 +0300 |
|---|---|---|
| committer | Luca Coelho <luciano.coelho@intel.com> | 2017-08-09 21:14:44 +0300 |
| commit | 9bb3d5a003b1740a8252c59f6c82dd75b3c0fe83 (patch) | |
| tree | 3c683b2b9aca45955629b11aa191486dea126f3f /drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c | |
| parent | fb70d49f2afec87fc570852c2251ffd3117c7373 (diff) | |
iwlwifi: pcie: free the TSO page when a Tx queue is unmapped on A000 devices
When we unmap a non-empty Tx queue, we need to free the
pages that we allocated for the headers in TSO flows.
This code existed for the 9000 device family, but somehow
it got left out when the new Tx path for the A000 devices
was written.
Fixes: 2b0c5946d9ed ("iwlwifi: pcie: introduce a000 TX queues management")
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c index 83a28892dc4f..4db45e56b6ba 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c @@ -937,6 +937,15 @@ void iwl_pcie_gen2_txq_unmap(struct iwl_trans *trans, int txq_id) IWL_DEBUG_TX_REPLY(trans, "Q %d Free %d\n", txq_id, txq->read_ptr); + if (txq_id != trans_pcie->cmd_queue) { + int idx = get_cmd_index(txq, txq->read_ptr); + struct sk_buff *skb = txq->entries[idx].skb; + + if (WARN_ON_ONCE(!skb)) + continue; + + iwl_pcie_free_tso_page(trans_pcie, skb); + } iwl_pcie_gen2_free_tfd(trans, txq); txq->read_ptr = iwl_queue_inc_wrap(txq->read_ptr); |