FD.io VPP  v20.05.1-6-gf53edbc3b
Vector Packet Processing
format.c
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1 /*
2  *------------------------------------------------------------------
3  * Copyright (c) 2018 Cisco and/or its affiliates.
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at:
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  *------------------------------------------------------------------
16  */
17 #include <vlib/vlib.h>
18 #include <vlib/unix/unix.h>
19 #include <vlib/pci/pci.h>
20 #include <vnet/ethernet/ethernet.h>
21 #include <vnet/ip/ip4_packet.h>
22 #include <vnet/ip/ip6_packet.h>
25 
26 u8 *
27 format_virtio_device_name (u8 * s, va_list * args)
28 {
29  u32 dev_instance = va_arg (*args, u32);
31  virtio_if_t *vif = pool_elt_at_index (mm->interfaces, dev_instance);
32 
33  if (vif->type == VIRTIO_IF_TYPE_TAP)
34  s = format (s, "tap%u", vif->id);
35  else if (vif->type == VIRTIO_IF_TYPE_PCI)
36  s = format (s, "virtio-%x/%x/%x/%x", vif->pci_addr.domain,
37  vif->pci_addr.bus, vif->pci_addr.slot,
38  vif->pci_addr.function);
39  else if (vif->type == VIRTIO_IF_TYPE_TUN)
40  s = format (s, "tun%u", vif->id);
41  else
42  s = format (s, "virtio-%lu", vif->dev_instance);
43 
44  return s;
45 }
46 
47 u8 *
48 format_virtio_log_name (u8 * s, va_list * args)
49 {
50  virtio_if_t *vif = va_arg (*args, virtio_if_t *);
51 
52  if (vif->type == VIRTIO_IF_TYPE_TAP)
53  s = format (s, "tap%u", vif->id);
54  else if (vif->type == VIRTIO_IF_TYPE_TUN)
55  s = format (s, "tun%u", vif->id);
56  else if (vif->type == VIRTIO_IF_TYPE_PCI)
57  s = format (s, "%U", format_vlib_pci_addr, &vif->pci_addr);
58  else
59  s = format (s, "virtio-%lu", vif->dev_instance);
60 
61  return s;
62 }
63 
64 /*
65  * fd.io coding-style-patch-verification: ON
66  *
67  * Local Variables:
68  * eval: (c-set-style "gnu")
69  * End:
70  */
virtio_if_t * interfaces
Definition: virtio.h:195
u32 dev_instance
Definition: virtio.h:145
u8 * format(u8 *s, const char *fmt,...)
Definition: format.c:424
u16 domain
Definition: virtio.h:132
unsigned char u8
Definition: types.h:56
u8 bus
Definition: virtio.h:133
unsigned int u32
Definition: types.h:88
u32 id
Definition: virtio.h:153
#define pool_elt_at_index(p, i)
Returns pointer to element at given index.
Definition: pool.h:534
u8 * format_virtio_device_name(u8 *s, va_list *args)
Definition: format.c:27
pci_addr_t pci_addr
Definition: virtio.h:154
u8 * format_virtio_log_name(u8 *s, va_list *args)
Definition: format.c:48
virtio_if_type_t type
Definition: virtio.h:150
u8 function
Definition: virtio.h:135
virtio_main_t virtio_main
Definition: virtio.c:37
format_function_t format_vlib_pci_addr
Definition: pci.h:324
u8 slot
Definition: virtio.h:134