netdev - [PATCH net-next 5/9] ice: move udp_tunnel_nic and misc IRQ setup into ice_init

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Message-ID: <20251024204746.3092277-6-anthony.l.nguyen@intel.com>
Date: Fri, 24 Oct 2025 13:47:40 -0700
From: Tony Nguyen <anthony.l.nguyen@...el.com>
To: davem@...emloft.net,
	kuba@...nel.org,
	pabeni@...hat.com,
	edumazet@...gle.com,
	andrew+netdev@...n.ch,
	netdev@...r.kernel.org
Cc: Przemek Kitszel <przemyslaw.kitszel@...el.com>,
	anthony.l.nguyen@...el.com,
	jacob.e.keller@...el.com,
	mschmidt@...hat.com,
	poros@...hat.com,
	horms@...nel.org,
	Aleksandr Loktionov <aleksandr.loktionov@...el.com>,
	Rinitha S <sx.rinitha@...el.com>
Subject: [PATCH net-next 5/9] ice: move udp_tunnel_nic and misc IRQ setup into ice_init_pf()

From: Przemek Kitszel <przemyslaw.kitszel@...el.com>

Move udp_tunnel_nic setup and ice_req_irq_msix_misc() call into
ice_init_pf(), remove some redundancy in the former while moving.

Move ice_free_irq_msix_misc() call into ice_deinit_pf(), to mimic
the above in terms of needed cleanup. Guard it via emptiness check,
to keep the allowance of half-initialized pf being cleaned up.

Signed-off-by: Przemek Kitszel <przemyslaw.kitszel@...el.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@...el.com>
Tested-by: Rinitha S <sx.rinitha@...el.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@...el.com>
---
 drivers/net/ethernet/intel/ice/ice_main.c | 58 +++++++++++------------
 1 file changed, 28 insertions(+), 30 deletions(-)

diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index 09dee43e48aa..1691dda1067e 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -3978,6 +3978,9 @@ static void ice_deinit_pf(struct ice_pf *pf)
 	if (pf->ptp.clock)
 		ptp_clock_unregister(pf->ptp.clock);
 
+	if (!xa_empty(&pf->irq_tracker.entries))
+		ice_free_irq_msix_misc(pf);
+
 	xa_destroy(&pf->dyn_ports);
 	xa_destroy(&pf->sf_nums);
 }
@@ -4045,6 +4048,11 @@ void ice_start_service_task(struct ice_pf *pf)
  */
 static int ice_init_pf(struct ice_pf *pf)
 {
+	struct udp_tunnel_nic_info *udp_tunnel_nic = &pf->hw.udp_tunnel_nic;
+	struct device *dev = ice_pf_to_dev(pf);
+	struct ice_hw *hw = &pf->hw;
+	int err = -ENOMEM;
+
 	mutex_init(&pf->sw_mutex);
 	mutex_init(&pf->tc_mutex);
 	mutex_init(&pf->adev_mutex);
@@ -4075,11 +4083,30 @@ static int ice_init_pf(struct ice_pf *pf)
 	if (!pf->avail_txqs || !pf->avail_rxqs || !pf->txtime_txqs)
 		goto undo_init;
 
+	udp_tunnel_nic->set_port = ice_udp_tunnel_set_port;
+	udp_tunnel_nic->unset_port = ice_udp_tunnel_unset_port;
+	udp_tunnel_nic->shared = &hw->udp_tunnel_shared;
+	udp_tunnel_nic->tables[0].n_entries = hw->tnl.valid_count[TNL_VXLAN];
+	udp_tunnel_nic->tables[0].tunnel_types = UDP_TUNNEL_TYPE_VXLAN;
+	udp_tunnel_nic->tables[1].n_entries = hw->tnl.valid_count[TNL_GENEVE];
+	udp_tunnel_nic->tables[1].tunnel_types = UDP_TUNNEL_TYPE_GENEVE;
+
+	/* In case of MSIX we are going to setup the misc vector right here
+	 * to handle admin queue events etc. In case of legacy and MSI
+	 * the misc functionality and queue processing is combined in
+	 * the same vector and that gets setup at open.
+	 */
+	err = ice_req_irq_msix_misc(pf);
+	if (err) {
+		dev_err(dev, "setup of misc vector failed: %d\n", err);
+		goto undo_init;
+	}
+
 	return 0;
 undo_init:
 	/* deinit handles half-initialized pf just fine */
 	ice_deinit_pf(pf);
-	return -ENOMEM;
+	return err;
 }
 
 /**
@@ -4751,36 +4778,8 @@ int ice_init_dev(struct ice_pf *pf)
 		goto unroll_irq_scheme_init;
 	}
 
-	pf->hw.udp_tunnel_nic.set_port = ice_udp_tunnel_set_port;
-	pf->hw.udp_tunnel_nic.unset_port = ice_udp_tunnel_unset_port;
-	pf->hw.udp_tunnel_nic.shared = &pf->hw.udp_tunnel_shared;
-	if (pf->hw.tnl.valid_count[TNL_VXLAN]) {
-		pf->hw.udp_tunnel_nic.tables[0].n_entries =
-			pf->hw.tnl.valid_count[TNL_VXLAN];
-		pf->hw.udp_tunnel_nic.tables[0].tunnel_types =
-			UDP_TUNNEL_TYPE_VXLAN;
-	}
-	if (pf->hw.tnl.valid_count[TNL_GENEVE]) {
-		pf->hw.udp_tunnel_nic.tables[1].n_entries =
-			pf->hw.tnl.valid_count[TNL_GENEVE];
-		pf->hw.udp_tunnel_nic.tables[1].tunnel_types =
-			UDP_TUNNEL_TYPE_GENEVE;
-	}
-	/* In case of MSIX we are going to setup the misc vector right here
-	 * to handle admin queue events etc. In case of legacy and MSI
-	 * the misc functionality and queue processing is combined in
-	 * the same vector and that gets setup at open.
-	 */
-	err = ice_req_irq_msix_misc(pf);
-	if (err) {
-		dev_err(dev, "setup of misc vector failed: %d\n", err);
-		goto unroll_pf_init;
-	}
-
 	return 0;
 
-unroll_pf_init:
-	ice_deinit_pf(pf);
 unroll_irq_scheme_init:
 	ice_service_task_stop(pf);
 	ice_clear_interrupt_scheme(pf);
@@ -4789,7 +4788,6 @@ int ice_init_dev(struct ice_pf *pf)
 
 void ice_deinit_dev(struct ice_pf *pf)
 {
-	ice_free_irq_msix_misc(pf);
 	ice_deinit_pf(pf);
 	ice_deinit_hw(&pf->hw);
 	ice_service_task_stop(pf);
-- 
2.47.1