From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Thu, 11 Apr 2024 10:27:49 +0200
Subject: Adding upstream version 6.6.15.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 drivers/net/ethernet/intel/ice/ice_vsi_vlan_ops.c | 103 ++++++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100644 drivers/net/ethernet/intel/ice/ice_vsi_vlan_ops.c

(limited to 'drivers/net/ethernet/intel/ice/ice_vsi_vlan_ops.c')

diff --git a/drivers/net/ethernet/intel/ice/ice_vsi_vlan_ops.c b/drivers/net/ethernet/intel/ice/ice_vsi_vlan_ops.c
new file mode 100644
index 0000000000..4a6c850d83
--- /dev/null
+++ b/drivers/net/ethernet/intel/ice/ice_vsi_vlan_ops.c
@@ -0,0 +1,103 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2019-2021, Intel Corporation. */
+
+#include "ice_pf_vsi_vlan_ops.h"
+#include "ice_vf_vsi_vlan_ops.h"
+#include "ice_lib.h"
+#include "ice.h"
+
+static int
+op_unsupported_vlan_arg(struct ice_vsi * __always_unused vsi,
+			struct ice_vlan * __always_unused vlan)
+{
+	return -EOPNOTSUPP;
+}
+
+static int
+op_unsupported_tpid_arg(struct ice_vsi *__always_unused vsi,
+			u16 __always_unused tpid)
+{
+	return -EOPNOTSUPP;
+}
+
+static int op_unsupported(struct ice_vsi *__always_unused vsi)
+{
+	return -EOPNOTSUPP;
+}
+
+/* If any new ops are added to the VSI VLAN ops interface then an unsupported
+ * implementation should be set here.
+ */
+static struct ice_vsi_vlan_ops ops_unsupported = {
+	.add_vlan = op_unsupported_vlan_arg,
+	.del_vlan = op_unsupported_vlan_arg,
+	.ena_stripping = op_unsupported_tpid_arg,
+	.dis_stripping = op_unsupported,
+	.ena_insertion = op_unsupported_tpid_arg,
+	.dis_insertion = op_unsupported,
+	.ena_rx_filtering = op_unsupported,
+	.dis_rx_filtering = op_unsupported,
+	.ena_tx_filtering = op_unsupported,
+	.dis_tx_filtering = op_unsupported,
+	.set_port_vlan = op_unsupported_vlan_arg,
+};
+
+/**
+ * ice_vsi_init_unsupported_vlan_ops - init all VSI VLAN ops to unsupported
+ * @vsi: VSI to initialize VSI VLAN ops to unsupported for
+ *
+ * By default all inner and outer VSI VLAN ops return -EOPNOTSUPP. This was done
+ * as oppsed to leaving the ops null to prevent unexpected crashes. Instead if
+ * an unsupported VSI VLAN op is called it will just return -EOPNOTSUPP.
+ *
+ */
+static void ice_vsi_init_unsupported_vlan_ops(struct ice_vsi *vsi)
+{
+	vsi->outer_vlan_ops = ops_unsupported;
+	vsi->inner_vlan_ops = ops_unsupported;
+}
+
+/**
+ * ice_vsi_init_vlan_ops - initialize type specific VSI VLAN ops
+ * @vsi: VSI to initialize ops for
+ *
+ * If any VSI types are added and/or require different ops than the PF or VF VSI
+ * then they will have to add a case here to handle that. Also, VSI type
+ * specific files should be added in the same manner that was done for PF VSI.
+ */
+void ice_vsi_init_vlan_ops(struct ice_vsi *vsi)
+{
+	/* Initialize all VSI types to have unsupported VSI VLAN ops */
+	ice_vsi_init_unsupported_vlan_ops(vsi);
+
+	switch (vsi->type) {
+	case ICE_VSI_PF:
+	case ICE_VSI_SWITCHDEV_CTRL:
+		ice_pf_vsi_init_vlan_ops(vsi);
+		break;
+	case ICE_VSI_VF:
+		ice_vf_vsi_init_vlan_ops(vsi);
+		break;
+	default:
+		dev_dbg(ice_pf_to_dev(vsi->back), "%s does not support VLAN operations\n",
+			ice_vsi_type_str(vsi->type));
+		break;
+	}
+}
+
+/**
+ * ice_get_compat_vsi_vlan_ops - Get VSI VLAN ops based on VLAN mode
+ * @vsi: VSI used to get the VSI VLAN ops
+ *
+ * This function is meant to be used when the caller doesn't know which VLAN ops
+ * to use (i.e. inner or outer). This allows backward compatibility for VLANs
+ * since most of the Outer VSI VLAN functins are not supported when
+ * the device is configured in Single VLAN Mode (SVM).
+ */
+struct ice_vsi_vlan_ops *ice_get_compat_vsi_vlan_ops(struct ice_vsi *vsi)
+{
+	if (ice_is_dvm_ena(&vsi->back->hw))
+		return &vsi->outer_vlan_ops;
+	else
+		return &vsi->inner_vlan_ops;
+}
-- 
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