1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (C) 2019-2021, Intel Corporation. */
3
4 #include "ice_pf_vsi_vlan_ops.h"
5 #include "ice_vf_vsi_vlan_ops.h"
6 #include "ice_lib.h"
7 #include "ice.h"
8
9 static int
op_unsupported_vlan_arg(struct ice_vsi * __always_unused vsi,struct ice_vlan * __always_unused vlan)10 op_unsupported_vlan_arg(struct ice_vsi * __always_unused vsi,
11 struct ice_vlan * __always_unused vlan)
12 {
13 return -EOPNOTSUPP;
14 }
15
16 static int
op_unsupported_tpid_arg(struct ice_vsi * __always_unused vsi,u16 __always_unused tpid)17 op_unsupported_tpid_arg(struct ice_vsi *__always_unused vsi,
18 u16 __always_unused tpid)
19 {
20 return -EOPNOTSUPP;
21 }
22
op_unsupported(struct ice_vsi * __always_unused vsi)23 static int op_unsupported(struct ice_vsi *__always_unused vsi)
24 {
25 return -EOPNOTSUPP;
26 }
27
28 /* If any new ops are added to the VSI VLAN ops interface then an unsupported
29 * implementation should be set here.
30 */
31 static struct ice_vsi_vlan_ops ops_unsupported = {
32 .add_vlan = op_unsupported_vlan_arg,
33 .del_vlan = op_unsupported_vlan_arg,
34 .ena_stripping = op_unsupported_tpid_arg,
35 .dis_stripping = op_unsupported,
36 .ena_insertion = op_unsupported_tpid_arg,
37 .dis_insertion = op_unsupported,
38 .ena_rx_filtering = op_unsupported,
39 .dis_rx_filtering = op_unsupported,
40 .ena_tx_filtering = op_unsupported,
41 .dis_tx_filtering = op_unsupported,
42 .set_port_vlan = op_unsupported_vlan_arg,
43 };
44
45 /**
46 * ice_vsi_init_unsupported_vlan_ops - init all VSI VLAN ops to unsupported
47 * @vsi: VSI to initialize VSI VLAN ops to unsupported for
48 *
49 * By default all inner and outer VSI VLAN ops return -EOPNOTSUPP. This was done
50 * as oppsed to leaving the ops null to prevent unexpected crashes. Instead if
51 * an unsupported VSI VLAN op is called it will just return -EOPNOTSUPP.
52 *
53 */
ice_vsi_init_unsupported_vlan_ops(struct ice_vsi * vsi)54 static void ice_vsi_init_unsupported_vlan_ops(struct ice_vsi *vsi)
55 {
56 vsi->outer_vlan_ops = ops_unsupported;
57 vsi->inner_vlan_ops = ops_unsupported;
58 }
59
60 /**
61 * ice_vsi_init_vlan_ops - initialize type specific VSI VLAN ops
62 * @vsi: VSI to initialize ops for
63 *
64 * If any VSI types are added and/or require different ops than the PF or VF VSI
65 * then they will have to add a case here to handle that. Also, VSI type
66 * specific files should be added in the same manner that was done for PF VSI.
67 */
ice_vsi_init_vlan_ops(struct ice_vsi * vsi)68 void ice_vsi_init_vlan_ops(struct ice_vsi *vsi)
69 {
70 /* Initialize all VSI types to have unsupported VSI VLAN ops */
71 ice_vsi_init_unsupported_vlan_ops(vsi);
72
73 switch (vsi->type) {
74 case ICE_VSI_PF:
75 case ICE_VSI_SWITCHDEV_CTRL:
76 ice_pf_vsi_init_vlan_ops(vsi);
77 break;
78 case ICE_VSI_VF:
79 ice_vf_vsi_init_vlan_ops(vsi);
80 break;
81 default:
82 dev_dbg(ice_pf_to_dev(vsi->back), "%s does not support VLAN operations\n",
83 ice_vsi_type_str(vsi->type));
84 break;
85 }
86 }
87
88 /**
89 * ice_get_compat_vsi_vlan_ops - Get VSI VLAN ops based on VLAN mode
90 * @vsi: VSI used to get the VSI VLAN ops
91 *
92 * This function is meant to be used when the caller doesn't know which VLAN ops
93 * to use (i.e. inner or outer). This allows backward compatibility for VLANs
94 * since most of the Outer VSI VLAN functins are not supported when
95 * the device is configured in Single VLAN Mode (SVM).
96 */
ice_get_compat_vsi_vlan_ops(struct ice_vsi * vsi)97 struct ice_vsi_vlan_ops *ice_get_compat_vsi_vlan_ops(struct ice_vsi *vsi)
98 {
99 if (ice_is_dvm_ena(&vsi->back->hw))
100 return &vsi->outer_vlan_ops;
101 else
102 return &vsi->inner_vlan_ops;
103 }
104