diff options
| author |   Johannes Berg <johannes.berg@intel.com> | 2019-09-30 11:49:49 +0200 |
|---|---|---|
| committer |   Luca Coelho <luciano.coelho@intel.com> | 2019-11-20 12:28:55 +0200 |
| commit | 9b08ae2219b141a31de2935452e7fe20ea10a72d (patch) | |
| tree | 42a79757b4d9173a5d507d79a2526fa823ce0dcc /drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c | |
| parent | iwlwifi: dvm: excessive if in rs_bt_update_lq() (diff) | |
| download | linux-9b08ae2219b141a31de2935452e7fe20ea10a72d.tar.xz linux-9b08ae2219b141a31de2935452e7fe20ea10a72d.zip | |
iwlwifi: pcie: trace IOVA for iwlwifi_dev_tx_tb
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>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c index 1ca9a7e48c1a..8ca0250de99e 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c @@ -333,7 +333,8 @@ static int iwl_pcie_gen2_build_amsdu(struct iwl_trans *trans, goto out_err; } iwl_pcie_gen2_set_tb(trans, tfd, tb_phys, tb_len); - trace_iwlwifi_dev_tx_tb(trans->dev, skb, start_hdr, tb_len); + trace_iwlwifi_dev_tx_tb(trans->dev, skb, start_hdr, + tb_phys, tb_len); /* add this subframe's headers' length to the tx_cmd */ le16_add_cpu(&tx_cmd->len, hdr_page->pos - subf_hdrs_start); @@ -351,7 +352,7 @@ static int iwl_pcie_gen2_build_amsdu(struct iwl_trans *trans, } iwl_pcie_gen2_set_tb(trans, tfd, tb_phys, tb_len); trace_iwlwifi_dev_tx_tb(trans->dev, skb, tso.data, - tb_len); + tb_phys, tb_len); data_left -= tb_len; tso_build_data(skb, &tso, tb_len); @@ -441,9 +442,8 @@ static int iwl_pcie_gen2_tx_add_frags(struct iwl_trans *trans, return -ENOMEM; tb_idx = iwl_pcie_gen2_set_tb(trans, tfd, tb_phys, skb_frag_size(frag)); - trace_iwlwifi_dev_tx_tb(trans->dev, skb, - skb_frag_address(frag), - skb_frag_size(frag)); + trace_iwlwifi_dev_tx_tb(trans->dev, skb, skb_frag_address(frag), + tb_phys, skb_frag_size(frag)); if (tb_idx < 0) return tb_idx; @@ -509,9 +509,8 @@ iwl_tfh_tfd *iwl_pcie_gen2_build_tx(struct iwl_trans *trans, if (unlikely(dma_mapping_error(trans->dev, tb_phys))) goto out_err; iwl_pcie_gen2_set_tb(trans, tfd, tb_phys, tb2_len); - trace_iwlwifi_dev_tx_tb(trans->dev, skb, - skb->data + hdr_len, - tb2_len); + trace_iwlwifi_dev_tx_tb(trans->dev, skb, skb->data + hdr_len, + tb_phys, tb2_len); } if (iwl_pcie_gen2_tx_add_frags(trans, skb, tfd, out_meta)) @@ -523,9 +522,8 @@ iwl_tfh_tfd *iwl_pcie_gen2_build_tx(struct iwl_trans *trans, if (unlikely(dma_mapping_error(trans->dev, tb_phys))) goto out_err; iwl_pcie_gen2_set_tb(trans, tfd, tb_phys, skb_headlen(frag)); - trace_iwlwifi_dev_tx_tb(trans->dev, skb, - frag->data, - skb_headlen(frag)); + trace_iwlwifi_dev_tx_tb(trans->dev, skb, frag->data, + tb_phys, skb_headlen(frag)); if (iwl_pcie_gen2_tx_add_frags(trans, frag, tfd, out_meta)) goto out_err; } |