netdev - [net-next PATCH v11 11/11] eth: bnxt: link NAPI instances to queues and IRQs

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Message-ID: <170147336340.5260.6773000274196548907.stgit@anambiarhost.jf.intel.com>
Date: Fri, 01 Dec 2023 15:29:23 -0800
From: Amritha Nambiar <amritha.nambiar@...el.com>
To: netdev@...r.kernel.org, kuba@...nel.org, pabeni@...hat.com
Cc: edumazet@...gle.com, ast@...nel.org, sdf@...gle.com, lorenzo@...nel.org,
 tariqt@...dia.com, daniel@...earbox.net, anthony.l.nguyen@...el.com,
 lucien.xin@...il.com, michael.chan@...adcom.com, hawk@...nel.org,
 sridhar.samudrala@...el.com, amritha.nambiar@...el.com
Subject: [net-next PATCH v11 11/11] eth: bnxt: link NAPI instances to queues
 and IRQs

From: Jakub Kicinski <kuba@...nel.org>

Make bnxt compatible with the newly added netlink queue GET APIs.

Signed-off-by: Jakub Kicinski <kuba@...nel.org>
Signed-off-by: Amritha Nambiar <amritha.nambiar@...el.com>
---
 drivers/net/ethernet/broadcom/bnxt/bnxt.c |   14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index e35e7e02538c..a0035147ef94 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -3845,6 +3845,9 @@ static int bnxt_init_one_rx_ring(struct bnxt *bp, int ring_nr)
 	ring = &rxr->rx_ring_struct;
 	bnxt_init_rxbd_pages(ring, type);
 
+	netif_queue_set_napi(bp->dev, ring_nr, NETDEV_QUEUE_TYPE_RX,
+			     &rxr->bnapi->napi);
+
 	if (BNXT_RX_PAGE_MODE(bp) && bp->xdp_prog) {
 		bpf_prog_add(bp->xdp_prog, 1);
 		rxr->xdp_prog = bp->xdp_prog;
@@ -3921,6 +3924,11 @@ static int bnxt_init_tx_rings(struct bnxt *bp)
 		struct bnxt_ring_struct *ring = &txr->tx_ring_struct;
 
 		ring->fw_ring_id = INVALID_HW_RING_ID;
+
+		if (i >= bp->tx_nr_rings_xdp)
+			netif_queue_set_napi(bp->dev, i - bp->tx_nr_rings_xdp,
+					     NETDEV_QUEUE_TYPE_TX,
+					     &txr->bnapi->napi);
 	}
 
 	return 0;
@@ -9754,6 +9762,7 @@ static int bnxt_request_irq(struct bnxt *bp)
 		if (rc)
 			break;
 
+		netif_napi_set_irq(&bp->bnapi[i]->napi, irq->vector);
 		irq->requested = 1;
 
 		if (zalloc_cpumask_var(&irq->cpu_mask, GFP_KERNEL)) {
@@ -9781,6 +9790,11 @@ static void bnxt_del_napi(struct bnxt *bp)
 	if (!bp->bnapi)
 		return;
 
+	for (i = 0; i < bp->rx_nr_rings; i++)
+		netif_queue_set_napi(bp->dev, i, NETDEV_QUEUE_TYPE_RX, NULL);
+	for (i = 0; i < bp->tx_nr_rings - bp->tx_nr_rings_xdp; i++)
+		netif_queue_set_napi(bp->dev, i, NETDEV_QUEUE_TYPE_TX, NULL);
+
 	for (i = 0; i < bp->cp_nr_rings; i++) {
 		struct bnxt_napi *bnapi = bp->bnapi[i];