iwlwifi: pcie: trace IOVA for iwlwifi_dev_tx_tb

Browse source

We trace the whole TFD with all TBs when in iwlwifi_dev_tx,
but sometimes we add TBs to it later and then we don't have
any of this data. Trace the I/O virtual address (IOVA) (it
can be the physical address, or as returned by the IOMMU)
here to aid debugging the DMA flows.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>

...

This commit is contained in:

Johannes Berg 2019-09-30 11:49:49 +02:00 • committed by Luca Coelho

parent e7babbe31f

commit 9b08ae2219

3 changed files with 20 additions and 22 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

8

drivers/net/wireless/intel/iwlwifi/iwl-devtrace-data.h

View file

20

drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c

View file

14

drivers/net/wireless/intel/iwlwifi/pcie/tx.c

View file