iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ice: use modern kernel API for kick

Browse Source 
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@intel.com>
Tested-by: Gurucharan G <gurucharanx.g@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
This commit is contained in:
Jesse Brandeburg
2021-10-25 17:08:26 -07:00
committed by Tony Nguyen
parent 21c6e36b1e
commit 9c99d099f7
1 changed files with 5 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/net/ethernet/intel/ice/ice_txrx.c
View File

@ -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;