2 * Copyright (c) 2015 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 * interface_funcs.h: VNET interfaces/sub-interfaces exported functions
18 * Copyright (c) 2008 Eliot Dresselhaus
20 * Permission is hereby granted, free of charge, to any person obtaining
21 * a copy of this software and associated documentation files (the
22 * "Software"), to deal in the Software without restriction, including
23 * without limitation the rights to use, copy, modify, merge, publish,
24 * distribute, sublicense, and/or sell copies of the Software, and to
25 * permit persons to whom the Software is furnished to do so, subject to
26 * the following conditions:
28 * The above copyright notice and this permission notice shall be
29 * included in all copies or substantial portions of the Software.
31 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
32 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
33 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
34 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
35 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
36 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
37 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
40 #ifndef included_vnet_interface_funcs_h
41 #define included_vnet_interface_funcs_h
43 always_inline vnet_hw_interface_t *
44 vnet_get_hw_interface (vnet_main_t * vnm, u32 hw_if_index)
46 return pool_elt_at_index (vnm->interface_main.hw_interfaces, hw_if_index);
49 always_inline vnet_sw_interface_t *
50 vnet_get_sw_interface (vnet_main_t * vnm, u32 sw_if_index)
52 return pool_elt_at_index (vnm->interface_main.sw_interfaces, sw_if_index);
55 always_inline vnet_sw_interface_t *
56 vnet_get_sw_interface_safe (vnet_main_t * vnm, u32 sw_if_index)
58 if (!pool_is_free_index (vnm->interface_main.sw_interfaces, sw_if_index))
59 return pool_elt_at_index (vnm->interface_main.sw_interfaces, sw_if_index);
63 always_inline vnet_sw_interface_t *
64 vnet_get_hw_sw_interface (vnet_main_t * vnm, u32 hw_if_index)
66 vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
67 vnet_sw_interface_t *sw = vnet_get_sw_interface (vnm, hw->sw_if_index);
68 ASSERT (sw->type == VNET_SW_INTERFACE_TYPE_HARDWARE);
72 always_inline vnet_sw_interface_t *
73 vnet_get_sup_sw_interface (vnet_main_t * vnm, u32 sw_if_index)
75 vnet_sw_interface_t *sw = vnet_get_sw_interface (vnm, sw_if_index);
76 if (sw->type == VNET_SW_INTERFACE_TYPE_SUB)
77 sw = vnet_get_sw_interface (vnm, sw->sup_sw_if_index);
81 always_inline vnet_hw_interface_t *
82 vnet_get_sup_hw_interface (vnet_main_t * vnm, u32 sw_if_index)
84 vnet_sw_interface_t *sw = vnet_get_sup_sw_interface (vnm, sw_if_index);
85 ASSERT (sw->type == VNET_SW_INTERFACE_TYPE_HARDWARE);
86 return vnet_get_hw_interface (vnm, sw->hw_if_index);
89 always_inline vnet_hw_interface_class_t *
90 vnet_get_hw_interface_class (vnet_main_t * vnm, u32 hw_class_index)
92 return vec_elt_at_index (vnm->interface_main.hw_interface_classes,
96 always_inline vnet_device_class_t *
97 vnet_get_device_class (vnet_main_t * vnm, u32 dev_class_index)
99 return vec_elt_at_index (vnm->interface_main.device_classes,
104 vnet_get_sw_interface_tag (vnet_main_t * vnm, u32 sw_if_index)
107 p = hash_get (vnm->interface_tag_by_sw_if_index, sw_if_index);
109 return ((u8 *) p[0]);
114 vnet_set_sw_interface_tag (vnet_main_t * vnm, u8 * tag, u32 sw_if_index)
117 p = hash_get (vnm->interface_tag_by_sw_if_index, sw_if_index);
120 u8 *oldtag = (u8 *) p[0];
121 hash_unset (vnm->interface_tag_by_sw_if_index, sw_if_index);
125 hash_set (vnm->interface_tag_by_sw_if_index, sw_if_index, tag);
129 vnet_clear_sw_interface_tag (vnet_main_t * vnm, u32 sw_if_index)
132 p = hash_get (vnm->interface_tag_by_sw_if_index, sw_if_index);
135 u8 *oldtag = (u8 *) p[0];
136 hash_unset (vnm->interface_tag_by_sw_if_index, sw_if_index);
142 * Call back walk type for walking SW indices on a HW interface
144 typedef void (*vnet_hw_sw_interface_walk_t) (vnet_main_t * vnm,
145 u32 sw_if_index, void *ctx);
149 * Walk the SW interfaces on a HW interface - this is the super
150 * interface and any sub-interfaces.
152 void vnet_hw_interface_walk_sw (vnet_main_t * vnm,
154 vnet_hw_sw_interface_walk_t fn, void *ctx);
156 /* Register a hardware interface instance. */
157 u32 vnet_register_interface (vnet_main_t * vnm,
160 u32 hw_class_index, u32 hw_instance);
162 /* Creates a software interface given template. */
163 clib_error_t *vnet_create_sw_interface (vnet_main_t * vnm,
164 vnet_sw_interface_t * template,
167 void vnet_delete_hw_interface (vnet_main_t * vnm, u32 hw_if_index);
168 void vnet_delete_sw_interface (vnet_main_t * vnm, u32 sw_if_index);
169 int vnet_sw_interface_is_p2p (vnet_main_t * vnm, u32 sw_if_index);
172 vnet_sw_interface_get_flags (vnet_main_t * vnm, u32 sw_if_index)
174 vnet_sw_interface_t *sw = vnet_get_sw_interface (vnm, sw_if_index);
179 vnet_sw_interface_is_admin_up (vnet_main_t * vnm, u32 sw_if_index)
181 return (vnet_sw_interface_get_flags (vnm, sw_if_index) &
182 VNET_SW_INTERFACE_FLAG_ADMIN_UP) != 0;
186 vnet_hw_interface_get_flags (vnet_main_t * vnm, u32 hw_if_index)
188 vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
193 vnet_hw_interface_get_mtu (vnet_main_t * vnm, u32 hw_if_index,
196 vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
197 return hw->max_l3_packet_bytes[dir];
201 vnet_sw_interface_get_mtu (vnet_main_t * vnm, u32 sw_if_index,
204 vnet_hw_interface_t *hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
205 return (hw->max_l3_packet_bytes[dir]);
209 vnet_hw_interface_is_link_up (vnet_main_t * vnm, u32 hw_if_index)
211 return (vnet_hw_interface_get_flags (vnm, hw_if_index) &
212 VNET_HW_INTERFACE_FLAG_LINK_UP) != 0;
215 always_inline vlib_frame_t *
216 vnet_get_frame_to_sw_interface (vnet_main_t * vnm, u32 sw_if_index)
218 vnet_hw_interface_t *hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
219 return vlib_get_frame_to_node (vnm->vlib_main, hw->output_node_index);
223 vnet_put_frame_to_sw_interface (vnet_main_t * vnm, u32 sw_if_index,
226 vnet_hw_interface_t *hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
227 return vlib_put_frame_to_node (vnm->vlib_main, hw->output_node_index, f);
230 /* Change interface flags (e.g. up, down, enable, disable). */
231 clib_error_t *vnet_hw_interface_set_flags (vnet_main_t * vnm, u32 hw_if_index,
234 /* Change interface flags (e.g. up, down, enable, disable). */
235 clib_error_t *vnet_sw_interface_set_flags (vnet_main_t * vnm, u32 sw_if_index,
238 /* Change interface class. */
239 clib_error_t *vnet_hw_interface_set_class (vnet_main_t * vnm, u32 hw_if_index,
240 u32 new_hw_class_index);
242 /* Redirect rx pkts to node */
243 int vnet_hw_interface_rx_redirect_to_node (vnet_main_t * vnm, u32 hw_if_index,
246 void vnet_hw_interface_init_for_class (vnet_main_t * vnm, u32 hw_if_index,
247 u32 hw_class_index, u32 hw_instance);
249 /* Rename interface */
250 clib_error_t *vnet_rename_interface (vnet_main_t * vnm, u32 hw_if_index,
253 /* Change interface mac address*/
254 clib_error_t *vnet_hw_interface_change_mac_address (vnet_main_t * vnm,
258 /* Formats sw/hw interface. */
259 format_function_t format_vnet_hw_interface;
260 format_function_t format_vnet_sw_interface;
261 format_function_t format_vnet_sw_interface_name;
262 format_function_t format_vnet_sw_interface_name_override;
263 format_function_t format_vnet_sw_if_index_name;
264 format_function_t format_vnet_sw_interface_flags;
266 /* Parses sw/hw interface name -> index. */
267 unformat_function_t unformat_vnet_sw_interface;
268 unformat_function_t unformat_vnet_hw_interface;
270 /* Parses interface flags (up, down, enable, disable, etc.) */
271 unformat_function_t unformat_vnet_hw_interface_flags;
272 unformat_function_t unformat_vnet_sw_interface_flags;
274 /* Node runtime for interface output function. */
281 } vnet_interface_output_runtime_t;
283 /* Interface output functions. */
284 void *vnet_interface_output_node_multiarch_select (void);
285 void *vnet_interface_output_node_flatten_multiarch_select (void);
287 word vnet_sw_interface_compare (vnet_main_t * vnm, uword sw_if_index0,
289 word vnet_hw_interface_compare (vnet_main_t * vnm, uword hw_if_index0,
294 VNET_INTERFACE_OUTPUT_NEXT_DROP,
295 VNET_INTERFACE_OUTPUT_NEXT_TX,
296 } vnet_interface_output_next_t;
300 VNET_INTERFACE_TX_NEXT_DROP,
301 VNET_INTERFACE_TX_N_NEXT,
302 } vnet_interface_tx_next_t;
304 #define VNET_SIMULATED_ETHERNET_TX_NEXT_ETHERNET_INPUT VNET_INTERFACE_TX_N_NEXT
308 VNET_INTERFACE_OUTPUT_ERROR_INTERFACE_DOWN,
309 VNET_INTERFACE_OUTPUT_ERROR_INTERFACE_DELETED,
310 } vnet_interface_output_error_t;
312 /* Format for interface output traces. */
313 u8 *format_vnet_interface_output_trace (u8 * s, va_list * va);
315 serialize_function_t serialize_vnet_interface_state,
316 unserialize_vnet_interface_state;
318 #endif /* included_vnet_interface_funcs_h */
321 * fd.io coding-style-patch-verification: ON
324 * eval: (c-set-style "gnu")