kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/drivers/net/ethernet/netronome/nfp/nfp_net_sriov.c
..
..
@@ -1,35 +1,5 @@
1
-/*
2
- * Copyright (C) 2017 Netronome Systems, Inc.
3
- *
4
- * This software is dual licensed under the GNU General License Version 2,
5
- * June 1991 as shown in the file COPYING in the top-level directory of this
6
- * source tree or the BSD 2-Clause License provided below.  You have the
7
- * option to license this software under the complete terms of either license.
8
- *
9
- * The BSD 2-Clause License:
10
- *
11
- *     Redistribution and use in source and binary forms, with or
12
- *     without modification, are permitted provided that the following
13
- *     conditions are met:
14
- *
15
- *      1. Redistributions of source code must retain the above
16
- *         copyright notice, this list of conditions and the following
17
- *         disclaimer.
18
- *
19
- *      2. Redistributions in binary form must reproduce the above
20
- *         copyright notice, this list of conditions and the following
21
- *         disclaimer in the documentation and/or other materials
22
- *         provided with the distribution.
23
- *
24
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31
- * SOFTWARE.
32
- */
1
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2
+/* Copyright (C) 2017-2019 Netronome Systems, Inc. */
33
3
 
34
4
 #include <linux/bitfield.h>
35
5
 #include <linux/errno.h>
..
..
@@ -176,6 +146,30 @@
176
146
 				    "spoofchk");
177
147
 }
178
148
 
149
+int nfp_app_set_vf_trust(struct net_device *netdev, int vf, bool enable)
150
+{
151
+	struct nfp_app *app = nfp_app_from_netdev(netdev);
152
+	unsigned int vf_offset;
153
+	u8 vf_ctrl;
154
+	int err;
155
+
156
+	err = nfp_net_sriov_check(app, vf, NFP_NET_VF_CFG_MB_CAP_TRUST,
157
+				  "trust");
158
+	if (err)
159
+		return err;
160
+
161
+	/* Write trust control bit to VF entry in VF config symbol */
162
+	vf_offset = NFP_NET_VF_CFG_MB_SZ + vf * NFP_NET_VF_CFG_SZ +
163
+		NFP_NET_VF_CFG_CTRL;
164
+	vf_ctrl = readb(app->pf->vfcfg_tbl2 + vf_offset);
165
+	vf_ctrl &= ~NFP_NET_VF_CFG_CTRL_TRUST;
166
+	vf_ctrl |= FIELD_PREP(NFP_NET_VF_CFG_CTRL_TRUST, enable);
167
+	writeb(vf_ctrl, app->pf->vfcfg_tbl2 + vf_offset);
168
+
169
+	return nfp_net_sriov_update(app, vf, NFP_NET_VF_CFG_MB_UPD_TRUST,
170
+				    "trust");
171
+}
172
+
179
173
 int nfp_app_set_vf_link_state(struct net_device *netdev, int vf,
180
174
 			      int link_state)
181
175
 {
..
..
@@ -243,6 +237,7 @@
243
237
 	ivi->qos = FIELD_GET(NFP_NET_VF_CFG_VLAN_QOS, vlan_tci);
244
238
 
245
239
 	ivi->spoofchk = FIELD_GET(NFP_NET_VF_CFG_CTRL_SPOOF, flags);
240
+	ivi->trusted = FIELD_GET(NFP_NET_VF_CFG_CTRL_TRUST, flags);
246
241
 	ivi->linkstate = FIELD_GET(NFP_NET_VF_CFG_CTRL_LINK_STATE, flags);
247
242
 
248
243
 	return 0;