netdev - [PATCH intel-net] ice: avoid XDP checks in ice_clean_tx

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Message-Id: <20220131134921.13176-1-maciej.fijalkowski@intel.com>
Date:   Mon, 31 Jan 2022 14:49:21 +0100
From:   Maciej Fijalkowski <maciej.fijalkowski@...el.com>
To:     intel-wired-lan@...ts.osuosl.org
Cc:     netdev@...r.kernel.org, bpf@...r.kernel.org,
        anthony.l.nguyen@...el.com, kuba@...nel.org, davem@...emloft.net,
        magnus.karlsson@...el.com, jesse.brandeburg@...el.com,
        alexandr.lobakin@...el.com,
        Maciej Fijalkowski <maciej.fijalkowski@...el.com>
Subject: [PATCH intel-net] ice: avoid XDP checks in ice_clean_tx_irq()

Commit 9610bd988df9 ("ice: optimize XDP_TX workloads") introduced
dedicated Tx IRQ cleaning routine dedicated for XDP rings. Currently it
is impossible to call ice_clean_tx_irq() against XDP ring, so it is safe
to drop ice_ring_is_xdp() calls in there.

Fixes: 1c96c16858ba ("ice: update to newer kernel API")
Fixes: cc14db11c8a4 ("ice: use prefetch methods")
Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@...el.com>
---
 drivers/net/ethernet/intel/ice/ice_txrx.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/net/ethernet/intel/ice/ice_txrx.c b/drivers/net/ethernet/intel/ice/ice_txrx.c
index 7d8824b4c8ff..25a5a3f2d107 100644
--- a/drivers/net/ethernet/intel/ice/ice_txrx.c
+++ b/drivers/net/ethernet/intel/ice/ice_txrx.c
@@ -223,8 +223,7 @@ static bool ice_clean_tx_irq(struct ice_tx_ring *tx_ring, int napi_budget)
 	struct ice_tx_buf *tx_buf;
 
 	/* get the bql data ready */
-	if (!ice_ring_is_xdp(tx_ring))
-		netdev_txq_bql_complete_prefetchw(txring_txq(tx_ring));
+	netdev_txq_bql_complete_prefetchw(txring_txq(tx_ring));
 
 	tx_buf = &tx_ring->tx_buf[i];
 	tx_desc = ICE_TX_DESC(tx_ring, i);
@@ -313,10 +312,6 @@ static bool ice_clean_tx_irq(struct ice_tx_ring *tx_ring, int napi_budget)
 	tx_ring->next_to_clean = i;
 
 	ice_update_tx_ring_stats(tx_ring, total_pkts, total_bytes);
-
-	if (ice_ring_is_xdp(tx_ring))
-		return !!budget;
-
 	netdev_tx_completed_queue(txring_txq(tx_ring), total_pkts, total_bytes);
 
 #define TX_WAKE_THRESHOLD ((s16)(DESC_NEEDED * 2))
-- 
2.33.1