[Intel-wired-lan] [PATCH net-next v1 4/4] ice: use modern kernel API for kick
Jesse Brandeburg
jesse.brandeburg at intel.com
Tue Oct 26 00:08:26 UTC 2021
The kernel gained a new interface for drivers to use to combine tail
bump (doorbell) and BQL updates, attempt to use those new interfaces.
Signed-off-by: Jesse Brandeburg <jesse.brandeburg at intel.com>
---
drivers/net/ethernet/intel/ice/ice_txrx.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/net/ethernet/intel/ice/ice_txrx.c b/drivers/net/ethernet/intel/ice/ice_txrx.c
index de9247d45c39..3987a0dd0e11 100644
--- a/drivers/net/ethernet/intel/ice/ice_txrx.c
+++ b/drivers/net/ethernet/intel/ice/ice_txrx.c
@@ -1576,6 +1576,7 @@ ice_tx_map(struct ice_tx_ring *tx_ring, struct ice_tx_buf *first,
struct sk_buff *skb;
skb_frag_t *frag;
dma_addr_t dma;
+ bool kick;
td_tag = off->td_l2tag1;
td_cmd = off->td_cmd;
@@ -1657,9 +1658,6 @@ ice_tx_map(struct ice_tx_ring *tx_ring, struct ice_tx_buf *first,
tx_buf = &tx_ring->tx_buf[i];
}
- /* record bytecount for BQL */
- netdev_tx_sent_queue(txring_txq(tx_ring), first->bytecount);
-
/* record SW timestamp if HW timestamp is not available */
skb_tx_timestamp(first->skb);
@@ -1688,7 +1686,10 @@ ice_tx_map(struct ice_tx_ring *tx_ring, struct ice_tx_buf *first,
ice_maybe_stop_tx(tx_ring, DESC_NEEDED);
/* notify HW of packet */
- if (netif_xmit_stopped(txring_txq(tx_ring)) || !netdev_xmit_more())
+ kick = __netdev_tx_sent_queue(txring_txq(tx_ring), first->bytecount,
+ netdev_xmit_more());
+ if (kick)
+ /* notify HW of packet */
writel(i, tx_ring->tail);
return;
--
2.31.1
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