FD.io VPP  v20.09-64-g4f7b92f0a
Vector Packet Processing
avf_api.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 
18 #include <vlib/vlib.h>
19 #include <vlib/unix/unix.h>
20 #include <vlib/pci/pci.h>
21 #include <vnet/ethernet/ethernet.h>
22 
23 #include <avf/avf.h>
24 
25 #include <vlibapi/api.h>
26 #include <vlibmemory/api.h>
27 
28 /* define message IDs */
29 #include <avf/avf.api_enum.h>
30 #include <avf/avf.api_types.h>
31 
33 
34 static void
36 {
38  avf_main_t *am = &avf_main;
41  int rv;
42 
43  clib_memset (&args, 0, sizeof (avf_create_if_args_t));
44 
45  args.enable_elog = ntohl (mp->enable_elog);
46  args.addr.as_u32 = ntohl (mp->pci_addr);
47  args.rxq_num = ntohs (mp->rxq_num);
48  args.rxq_size = ntohs (mp->rxq_size);
49  args.txq_size = ntohs (mp->txq_size);
50 
51  avf_create_if (vm, &args);
52  rv = args.rv;
53 
54  /* *INDENT-OFF* */
55  REPLY_MACRO2 (VL_API_AVF_CREATE_REPLY + am->msg_id_base,
56  ({
57  rmp->sw_if_index = ntohl (args.sw_if_index);
58  }));
59  /* *INDENT-ON* */
60 }
61 
62 static void
64 {
66  vnet_main_t *vnm = vnet_get_main ();
67  avf_main_t *am = &avf_main;
68  vl_api_avf_delete_reply_t *rmp;
70  int rv = 0;
71 
72  hw =
74  htonl (mp->sw_if_index));
75  if (hw == NULL || avf_device_class.index != hw->dev_class_index)
76  {
77  rv = VNET_API_ERROR_INVALID_INTERFACE;
78  goto reply;
79  }
80 
83 
84 reply:
85  REPLY_MACRO (VL_API_AVF_DELETE_REPLY + am->msg_id_base);
86 }
87 
88 /* set tup the API message handling tables */
89 #include <avf/avf.api.c>
90 static clib_error_t *
92 {
93  avf_main_t *avm = &avf_main;
95 
96  am->is_mp_safe[VL_API_AVF_DELETE] = 1;
97 
98  /* ask for a correctly-sized block of API message decode slots */
100  return 0;
101 }
102 
104 
105 /*
106  * fd.io coding-style-patch-verification: ON
107  *
108  * Local Variables:
109  * eval: (c-set-style "gnu")
110  * End:
111  */
#define ntohs(x)
Definition: af_xdp.bpf.c:29
vnet_main_t * vnet_get_main(void)
Definition: misc.c:46
#define REPLY_MACRO2(t, body)
clib_memset(h->entries, 0, sizeof(h->entries[0]) *entries)
VLIB_API_INIT_FUNCTION(avf_plugin_api_hookup)
vlib_pci_addr_t addr
Definition: avf.h:238
vlib_main_t * vm
Definition: in2out_ed.c:1582
vnet_device_class_t avf_device_class
void avf_create_if(vlib_main_t *vm, avf_create_if_args_t *args)
Definition: device.c:1422
static clib_error_t * avf_plugin_api_hookup(vlib_main_t *vm)
Definition: avf_api.c:91
static void vlib_process_signal_event(vlib_main_t *vm, uword node_index, uword type_opaque, uword data)
Definition: node_funcs.h:1015
#define REPLY_MACRO(t)
vl_api_interface_index_t sw_if_index
Definition: avf.api:69
API main structure, used by both vpp and binary API clients.
Definition: api_common.h:227
vlib_node_registration_t avf_process_node
(constructor) VLIB_REGISTER_NODE (avf_process_node)
Definition: device.c:1279
static vnet_hw_interface_t * vnet_get_sup_hw_interface_api_visible_or_null(vnet_main_t *vnm, u32 sw_if_index)
static void vl_api_avf_delete_t_handler(vl_api_avf_delete_t *mp)
Definition: avf_api.c:63
avf_main_t avf_main
Definition: device.c:37
static vlib_main_t * vlib_get_main(void)
Definition: global_funcs.h:23
u16 msg_id_base
Definition: avf.h:226
static api_main_t * vlibapi_get_main(void)
Definition: api_common.h:389
u8 * is_mp_safe
Message is mp safe vector.
Definition: api_common.h:250
static void setup_message_id_table(snat_main_t *sm, api_main_t *am)
Definition: nat_api.c:2804
static void vl_api_avf_create_t_handler(vl_api_avf_create_t *mp)
Definition: avf_api.c:35