1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
|
/* SPDX-License-Identifier: Apache-2.0
* Copyright (c) 2023 Cisco Systems, Inc.
*/
#include <vnet/vnet.h>
#include <vnet/ethernet/ethernet.h>
#include <vnet/dev/dev.h>
#include <vnet/dev/counters.h>
#include <vnet/dev/log.h>
#include <vnet/flow/flow.h>
VLIB_REGISTER_LOG_CLASS (dev_log, static) = {
.class_name = "dev",
.subclass_name = "handler",
};
clib_error_t *
vnet_dev_port_set_max_frame_size (vnet_main_t *vnm, vnet_hw_interface_t *hw,
u32 frame_size)
{
vlib_main_t *vm = vlib_get_main ();
vnet_dev_port_t *p = vnet_dev_get_port_from_dev_instance (hw->dev_instance);
vnet_dev_rv_t rv;
vnet_dev_port_cfg_change_req_t req = {
.type = VNET_DEV_PORT_CFG_MAX_RX_FRAME_SIZE,
.max_rx_frame_size = frame_size,
};
log_debug (p->dev, "size %u", frame_size);
rv = vnet_dev_port_cfg_change_req_validate (vm, p, &req);
if (rv == VNET_DEV_ERR_NO_CHANGE)
return 0;
if (rv != VNET_DEV_OK)
return vnet_dev_port_err (vm, p, rv,
"new max frame size is not valid for port");
if ((rv = vnet_dev_process_port_cfg_change_req (vm, p, &req)) != VNET_DEV_OK)
return vnet_dev_port_err (vm, p, rv,
"device failed to change max frame size");
return 0;
}
u32
vnet_dev_port_eth_flag_change (vnet_main_t *vnm, vnet_hw_interface_t *hw,
u32 flags)
{
vlib_main_t *vm = vlib_get_main ();
vnet_dev_port_t *p = vnet_dev_get_port_from_dev_instance (hw->dev_instance);
vnet_dev_rv_t rv;
vnet_dev_port_cfg_change_req_t req = {
.type = VNET_DEV_PORT_CFG_PROMISC_MODE,
};
switch (flags)
{
case ETHERNET_INTERFACE_FLAG_DEFAULT_L3:
log_debug (p->dev, "promisc off");
break;
case ETHERNET_INTERFACE_FLAG_ACCEPT_ALL:
log_debug (p->dev, "promisc on");
req.promisc = 1;
break;
default:
return ~0;
}
rv = vnet_dev_port_cfg_change_req_validate (vm, p, &req);
if (rv == VNET_DEV_ERR_NO_CHANGE)
return 0;
if (rv != VNET_DEV_OK)
return ~0;
rv = vnet_dev_process_port_cfg_change_req (vm, p, &req);
if (rv == VNET_DEV_OK || rv == VNET_DEV_ERR_NO_CHANGE)
return 0;
return ~0;
}
clib_error_t *
vnet_dev_port_mac_change (vnet_hw_interface_t *hi, const u8 *old,
const u8 *new)
{
vlib_main_t *vm = vlib_get_main ();
vnet_dev_port_t *p = vnet_dev_get_port_from_dev_instance (hi->dev_instance);
vnet_dev_rv_t rv;
vnet_dev_port_cfg_change_req_t req = {
.type = VNET_DEV_PORT_CFG_CHANGE_PRIMARY_HW_ADDR,
};
vnet_dev_set_hw_addr_eth_mac (&req.addr, new);
log_debug (p->dev, "new mac %U", format_vnet_dev_hw_addr, &req.addr);
rv = vnet_dev_port_cfg_change_req_validate (vm, p, &req);
if (rv == VNET_DEV_ERR_NO_CHANGE)
return 0;
if (rv != VNET_DEV_OK)
return vnet_dev_port_err (vm, p, rv, "hw address is not valid for port");
if ((rv = vnet_dev_process_port_cfg_change_req (vm, p, &req)) != VNET_DEV_OK)
return vnet_dev_port_err (vm, p, rv, "device failed to change hw address");
return 0;
}
clib_error_t *
vnet_dev_add_del_mac_address (vnet_hw_interface_t *hi, const u8 *address,
u8 is_add)
{
vlib_main_t *vm = vlib_get_main ();
vnet_dev_port_t *p = vnet_dev_get_port_from_dev_instance (hi->dev_instance);
vnet_dev_rv_t rv;
vnet_dev_port_cfg_change_req_t req = {
.type = is_add ? VNET_DEV_PORT_CFG_ADD_SECONDARY_HW_ADDR :
VNET_DEV_PORT_CFG_REMOVE_SECONDARY_HW_ADDR,
};
vnet_dev_set_hw_addr_eth_mac (&req.addr, address);
log_debug (p->dev, "received (addr %U is_add %u", format_vnet_dev_hw_addr,
&req.addr, is_add);
rv = vnet_dev_port_cfg_change_req_validate (vm, p, &req);
if (rv != VNET_DEV_OK)
return vnet_dev_port_err (vm, p, rv,
"provided secondary hw addresses cannot "
"be added/removed");
if ((rv = vnet_dev_process_port_cfg_change_req (vm, p, &req)) != VNET_DEV_OK)
return vnet_dev_port_err (
vm, p, rv, "device failed to add/remove secondary hw address");
return 0;
}
int
vnet_dev_flow_ops_fn (vnet_main_t *vnm, vnet_flow_dev_op_t op,
u32 dev_instance, u32 flow_index, uword *private_data)
{
vnet_dev_port_t *p = vnet_dev_get_port_from_dev_instance (dev_instance);
log_warn (p->dev, "unsupported request for flow_ops received");
return VNET_FLOW_ERROR_NOT_SUPPORTED;
}
clib_error_t *
vnet_dev_interface_set_rss_queues (vnet_main_t *vnm, vnet_hw_interface_t *hi,
clib_bitmap_t *bitmap)
{
vnet_dev_port_t *p = vnet_dev_get_port_from_dev_instance (hi->dev_instance);
log_warn (p->dev, "unsupported request for flow_ops received");
return vnet_error (VNET_ERR_UNSUPPORTED, "not implemented");
}
void
vnet_dev_clear_hw_interface_counters (u32 instance)
{
vnet_dev_port_t *port = vnet_dev_get_port_from_dev_instance (instance);
vlib_main_t *vm = vlib_get_main ();
vnet_dev_process_call_port_op_no_rv (vm, port, vnet_dev_port_clear_counters);
}
void
vnet_dev_set_interface_next_node (vnet_main_t *vnm, u32 hw_if_index,
u32 node_index)
{
vlib_main_t *vm = vlib_get_main ();
vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
vnet_dev_port_t *port =
vnet_dev_get_port_from_dev_instance (hw->dev_instance);
int runtime_update = 0;
if (node_index == ~0)
{
port->intf.redirect_to_node_next_index = 0;
if (port->intf.feature_arc == 0)
{
port->intf.rx_next_index =
vnet_dev_default_next_index_by_port_type[port->attr.type];
runtime_update = 1;
}
port->intf.redirect_to_node = 0;
}
else
{
u16 next_index = vlib_node_add_next (vlib_get_main (),
port_rx_eth_node.index, node_index);
port->intf.redirect_to_node_next_index = next_index;
if (port->intf.feature_arc == 0)
{
port->intf.rx_next_index = next_index;
runtime_update = 1;
}
port->intf.redirect_to_node = 1;
}
port->intf.rx_next_index =
node_index == ~0 ?
vnet_dev_default_next_index_by_port_type[port->attr.type] :
node_index;
if (runtime_update)
{
foreach_vnet_dev_port_rx_queue (rxq, port)
vnet_dev_rx_queue_rt_request (
vm, rxq, (vnet_dev_rx_queue_rt_req_t){ .update_next_index = 1 });
log_debug (port->dev, "runtime update requested due to chgange in "
"reditect-to-next configuration");
}
}
|
