2 * Copyright (c) 2016 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 #include <vnet/vnet.h>
17 #include <vnet/lisp-cp/lisp_types.h>
19 #define IP_DF 0x4000 /* don't fragment */
21 void *pkt_push_ip (vlib_main_t * vm, vlib_buffer_t * b, ip_address_t * src,
22 ip_address_t * dst, u32 proto);
24 void *pkt_push_udp_and_ip (vlib_main_t * vm, vlib_buffer_t * b, u16 sp,
25 u16 dp, ip_address_t * sip, ip_address_t * dip);
27 void *pkt_push_ecm_hdr (vlib_buffer_t * b);
30 vlib_buffer_get_tail (vlib_buffer_t * b)
32 return b->data + b->current_data + b->current_length;
36 vlib_buffer_put_uninit (vlib_buffer_t * b, u8 size)
38 /* XXX should make sure there's enough space! */
39 void *p = vlib_buffer_get_tail (b);
40 b->current_length += size;
45 vlib_buffer_push_uninit (vlib_buffer_t * b, u8 size)
47 /* XXX should make sure there's enough space! */
48 ASSERT (b->current_data >= size);
49 b->current_data -= size;
50 b->current_length += size;
52 return vlib_buffer_get_current (b);
56 vlib_buffer_make_headroom (vlib_buffer_t * b, u8 size)
58 /* XXX should make sure there's enough space! */
59 b->current_data += size;
60 return vlib_buffer_get_current (b);
64 vlib_buffer_pull (vlib_buffer_t * b, u8 size)
66 if (b->current_length < size)
69 void *data = vlib_buffer_get_current (b);
70 vlib_buffer_advance (b, size);
77 * fd.io coding-style-patch-verification: ON
80 * eval: (c-set-style "gnu")