summaryrefslogtreecommitdiffstats
path: root/hicn-plugin/src/faces/ip/face_ip_cli.c
blob: ba77655415361b182d161f45483ca298fcf06eb6 (plain)
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
/*
 * Copyright (c) 2017-2019 Cisco and/or its affiliates.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include <vnet/vnet.h>
#include <vnet/dpo/dpo.h>
#include <vlib/vlib.h>

#include "face_ip.h"
#include "dpo_ip.h"
#include "../face.h"

#define HICN_FACE_NONE 0
#define HICN_FACE_DELETE 1
#define HICN_FACE_ADD 2

static clib_error_t *
hicn_face_ip_cli_set_command_fn (vlib_main_t * vm,
				 unformat_input_t * main_input,
				 vlib_cli_command_t * cmd)
{
  vnet_main_t *vnm = vnet_get_main ();
  ip46_address_t local_addr;
  ip46_address_t remote_addr;
  hicn_face_id_t face_id = HICN_FACE_NULL;
  int ret = HICN_ERROR_NONE;
  int sw_if;
  int face_op = HICN_FACE_NONE;

  ip46_address_reset (&local_addr);
  /* Get a line of input. */
  unformat_input_t _line_input, *line_input = &_line_input;
  if (!unformat_user (main_input, unformat_line_input, line_input))
    {
      return (0);
    }

  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
    {
      if (unformat (line_input, "del"))
	{
	  if (unformat (line_input, "id %d", &face_id))
	    face_op = HICN_FACE_DELETE;
	  else
	    {
	      return clib_error_return (0, "missing face id");
	    }
	}
      else if (unformat (line_input, "add"))
	{
	  face_op = HICN_FACE_ADD;
	  if (unformat (line_input, "local %U ",
			unformat_ip46_address, &local_addr, IP46_TYPE_ANY));
	  else if (unformat (line_input, "remote %U intfc %U",
			     unformat_ip46_address, &remote_addr,
			     IP46_TYPE_ANY, unformat_vnet_sw_interface, vnm,
			     &sw_if));
	  else
	    {
	      return clib_error_return (0, "%s '%U'",
					get_error_string
					(HICN_ERROR_CLI_INVAL),
					format_unformat_error, line_input);
	    }
	}
      else
	{
	  return clib_error_return (0, "%s '%U'",
				    get_error_string (HICN_ERROR_CLI_INVAL),
				    format_unformat_error, line_input);
	}
    }

  if (face_id != HICN_FACE_NULL)
    {

      if (!hicn_dpoi_idx_is_valid (face_id))
	{
	  return clib_error_return (0, "%s, face_id %d not valid",
				    get_error_string (ret), face_id);
	}
    }

  if (ip46_address_is_zero (&local_addr))
    {
      if (!vnet_sw_interface_is_valid (vnm, sw_if))
	return clib_error_return (0, "interface not valid");

      if (ip46_address_is_ip4 (&remote_addr))
	{
	  ip_interface_address_t *interface_address;
	  ip4_address_t *addr =
	    ip4_interface_address_matching_destination (&ip4_main,
							&remote_addr.ip4,
							sw_if,
							&interface_address);

	  if (addr == NULL)
	    addr = ip4_interface_first_address (&ip4_main,
						sw_if, &interface_address);

	  if (addr == NULL)
	    return clib_error_return (0,
				      "no valid ip address on interface %d",
				      sw_if);

	  ip46_address_set_ip4 (&local_addr, addr);
	}
      else
	{
	  ip_interface_address_t *interface_address;
	  ip6_interface_address_matching_destination (&ip6_main,
						      &remote_addr.ip6, sw_if,
						      &interface_address);

	  ip6_address_t *addr = NULL;
	  if (interface_address != NULL)
	    addr =
	      (ip6_address_t *)
	      ip_interface_address_get_address (&ip6_main.lookup_main,
						interface_address);

	  if (addr == NULL)
	    addr = ip6_interface_first_address (&ip6_main, sw_if);

	  if (addr == NULL)
	    return clib_error_return (0,
				      "no valid ip address on interface %d",
				      sw_if);

	  ip46_address_set_ip6 (&local_addr, addr);
	}
    }

  int rv;
  switch (face_op)
    {
    case HICN_FACE_ADD:

      /* Check for presence of next hop address */
      if ((remote_addr.as_u64[0] == (u64) 0)
	  && (remote_addr.as_u64[1] == (u64) 0))
	{
	  return clib_error_return (0, "next hop address not specified");
	}

      rv = hicn_face_ip_add (&local_addr, &remote_addr, sw_if, &face_id);

      if (rv == HICN_ERROR_NONE)
	{
	  vlib_cli_output (vm, "Face id: %d", face_id);
	}
      else
	{
	  return clib_error_return (0, get_error_string (rv));
	}
      break;
    case HICN_FACE_DELETE:
      rv = hicn_face_ip_del (face_id);
      if (rv == HICN_ERROR_NONE)
	{
	  vlib_cli_output (vm, "Face %d deleted", face_id);
	}
      else
	{
	  return clib_error_return (0, get_error_string (rv));
	}
      break;
    default:
      return clib_error_return (0, "Operation (%d) not implemented", face_op);
      break;
    }
  return (rv == HICN_ERROR_NONE) ? 0 : clib_error_return (0, "%s\n",
							  get_error_string
							  (rv));
}

/* cli declaration for 'cfg face' */
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (hicn_face_ip_cli_set_command, static) =
{
  .path = "hicn face ip",
  .short_help = "hicn face ip {add local <src_address> remote <dst_address> intfc <sw_if>} | {del id <face_id>}",
  .function = hicn_face_ip_cli_set_command_fn,
};
/* *INDENT-ON* */

/*
 * fd.io coding-style-patch-verification: ON
 *
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */