add stmac read mac form eeprom

hc

2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/drivers/infiniband/sw/rxe/rxe_sysfs.c
..
..
@@ -1,34 +1,7 @@
1
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
1
2
 /*
2
3
  * Copyright (c) 2016 Mellanox Technologies Ltd. All rights reserved.
3
4
  * Copyright (c) 2015 System Fabric Works, Inc. All rights reserved.
4
- *
5
- * This software is available to you under a choice of one of two
6
- * licenses.  You may choose to be licensed under the terms of the GNU
7
- * General Public License (GPL) Version 2, available from the file
8
- * COPYING in the main directory of this source tree, or the
9
- * OpenIB.org BSD license below:
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
- *	- Redistributions of source code must retain the above
16
- *	  copyright notice, this list of conditions and the following
17
- *	  disclaimer.
18
- *
19
- *	- 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
5
  */
33
6
 
34
7
 #include "rxe.h"
..
..
@@ -53,62 +26,53 @@
53
26
 	return len;
54
27
 }
55
28
 
56
-static void rxe_set_port_state(struct net_device *ndev)
57
-{
58
-	struct rxe_dev *rxe = net_to_rxe(ndev);
59
-	bool is_up = netif_running(ndev) && netif_carrier_ok(ndev);
60
-
61
-	if (!rxe)
62
-		goto out;
63
-
64
-	if (is_up)
65
-		rxe_port_up(rxe);
66
-	else
67
-		rxe_port_down(rxe); /* down for unknown state */
68
-out:
69
-	return;
70
-}
71
-
72
29
 static int rxe_param_set_add(const char *val, const struct kernel_param *kp)
73
30
 {
74
31
 	int len;
75
32
 	int err = 0;
76
33
 	char intf[32];
77
-	struct net_device *ndev = NULL;
78
-	struct rxe_dev *rxe;
34
+	struct net_device *ndev;
35
+	struct rxe_dev *exists;
36
+
37
+	if (!rxe_initialized) {
38
+		pr_err("Module parameters are not supported, use rdma link add or rxe_cfg\n");
39
+		return -EAGAIN;
40
+	}
79
41
 
80
42
 	len = sanitize_arg(val, intf, sizeof(intf));
81
43
 	if (!len) {
82
44
 		pr_err("add: invalid interface name\n");
83
-		err = -EINVAL;
84
-		goto err;
45
+		return -EINVAL;
85
46
 	}
86
47
 
87
48
 	ndev = dev_get_by_name(&init_net, intf);
88
49
 	if (!ndev) {
89
50
 		pr_err("interface %s not found\n", intf);
90
-		err = -EINVAL;
51
+		return -EINVAL;
52
+	}
53
+
54
+	if (is_vlan_dev(ndev)) {
55
+		pr_err("rxe creation allowed on top of a real device only\n");
56
+		err = -EPERM;
91
57
 		goto err;
92
58
 	}
93
59
 
94
-	if (net_to_rxe(ndev)) {
60
+	exists = rxe_get_dev_from_net(ndev);
61
+	if (exists) {
62
+		ib_device_put(&exists->ib_dev);
95
63
 		pr_err("already configured on %s\n", intf);
96
64
 		err = -EINVAL;
97
65
 		goto err;
98
66
 	}
99
67
 
100
-	rxe = rxe_net_add(ndev);
101
-	if (!rxe) {
68
+	err = rxe_net_add("rxe%d", ndev);
69
+	if (err) {
102
70
 		pr_err("failed to add %s\n", intf);
103
-		err = -EINVAL;
104
71
 		goto err;
105
72
 	}
106
73
 
107
-	rxe_set_port_state(ndev);
108
-	pr_info("added %s to %s\n", rxe->ib_dev.name, intf);
109
74
 err:
110
-	if (ndev)
111
-		dev_put(ndev);
75
+	dev_put(ndev);
112
76
 	return err;
113
77
 }
114
78
 
..
..
@@ -116,7 +80,7 @@
116
80
 {
117
81
 	int len;
118
82
 	char intf[32];
119
-	struct rxe_dev *rxe;
83
+	struct ib_device *ib_dev;
120
84
 
121
85
 	len = sanitize_arg(val, intf, sizeof(intf));
122
86
 	if (!len) {
..
..
@@ -126,19 +90,17 @@
126
90
 
127
91
 	if (strncmp("all", intf, len) == 0) {
128
92
 		pr_info("rxe_sys: remove all");
129
-		rxe_remove_all();
93
+		ib_unregister_driver(RDMA_DRIVER_RXE);
130
94
 		return 0;
131
95
 	}
132
96
 
133
-	rxe = get_rxe_by_name(intf);
134
-
135
-	if (!rxe) {
97
+	ib_dev = ib_device_get_by_name(intf, RDMA_DRIVER_RXE);
98
+	if (!ib_dev) {
136
99
 		pr_err("not configured on %s\n", intf);
137
100
 		return -EINVAL;
138
101
 	}
139
102
 
140
-	list_del(&rxe->list);
141
-	rxe_remove(rxe);
103
+	ib_unregister_device_and_put(ib_dev);
142
104
 
143
105
 	return 0;
144
106
 }
..
..
@@ -152,6 +114,6 @@
152
114
 };
153
115
 
154
116
 module_param_cb(add, &rxe_add_ops, NULL, 0200);
155
-MODULE_PARM_DESC(add, "Create RXE device over network interface");
117
+MODULE_PARM_DESC(add, "DEPRECATED.  Create RXE device over network interface");
156
118
 module_param_cb(remove, &rxe_remove_ops, NULL, 0200);
157
-MODULE_PARM_DESC(remove, "Remove RXE device over network interface");
119
+MODULE_PARM_DESC(remove, "DEPRECATED.  Remove RXE device over network interface");