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authorJakub Kicinski <jakub.kicinski@netronome.com>2019-11-23 12:00:54 -0800
committerJakub Kicinski <jakub.kicinski@netronome.com>2019-11-23 12:00:54 -0800
commit3a06ee33963dea642d38c04ed18d2a5f4fdc78fd (patch)
treeffc0bd67c2dd3887cb0e5abe9c7c80156b074b05 /drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c
parentMerge branch 'nfc-convert-from-txt-to-rst' (diff)
parentmt76: fix fix ampdu locking (diff)
downloadlinux-dev-3a06ee33963dea642d38c04ed18d2a5f4fdc78fd.tar.xz
linux-dev-3a06ee33963dea642d38c04ed18d2a5f4fdc78fd.zip
Merge tag 'wireless-drivers-next-2019-11-22' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
Kalle Valo says: ==================== wireless-drivers-next patches for v5.5 Last set of patches for v5.5. Major features here 802.11ax support for qtnfmac and airtime fairness support to mt76. And naturally smaller fixes and improvements all over. Major changes: qtnfmac * add 802.11ax support in AP mode * enable offload bridging support iwlwifi * support TX/RX antennas reporting mt76 * mt7615 smart carrier sense support * aggregation statistics via debugfs * airtime fairness (ATF) support * mt76x0 OF mac address support ==================== Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c28
1 files changed, 20 insertions, 8 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c
index 8323fa7c0762..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;
@@ -468,6 +468,7 @@ iwl_tfh_tfd *iwl_pcie_gen2_build_tx(struct iwl_trans *trans,
dma_addr_t tb_phys;
int len, tb1_len, tb2_len;
void *tb1_addr;
+ struct sk_buff *frag;
tb_phys = iwl_pcie_get_first_tb_dma(txq, idx);
@@ -508,14 +509,25 @@ 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))
goto out_err;
+ skb_walk_frags(skb, frag) {
+ tb_phys = dma_map_single(trans->dev, frag->data,
+ skb_headlen(frag), DMA_TO_DEVICE);
+ 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,
+ tb_phys, skb_headlen(frag));
+ if (iwl_pcie_gen2_tx_add_frags(trans, frag, tfd, out_meta))
+ goto out_err;
+ }
+
return tfd;
out_err: