From a23197980e40d4d9414bcfaf59005a1dc2a89251 Mon Sep 17 00:00:00 2001 From: sreejith Date: Wed, 29 Mar 2017 01:15:02 -0400 Subject: Added vpp intial source code from master branch 17.01.1 Change-Id: I81bdace6f330825a1746a853766779dfb24765fd Signed-off-by: sreejith --- vpp/vnet/vnet/lisp-cp/packets.h | 82 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100644 vpp/vnet/vnet/lisp-cp/packets.h (limited to 'vpp/vnet/vnet/lisp-cp/packets.h') diff --git a/vpp/vnet/vnet/lisp-cp/packets.h b/vpp/vnet/vnet/lisp-cp/packets.h new file mode 100644 index 00000000..212a1d78 --- /dev/null +++ b/vpp/vnet/vnet/lisp-cp/packets.h @@ -0,0 +1,82 @@ +/* + * Copyright (c) 2016 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 +#include + +#define IP_DF 0x4000 /* don't fragment */ + +void *pkt_push_ip (vlib_main_t * vm, vlib_buffer_t * b, ip_address_t * src, + ip_address_t * dst, u32 proto); + +void *pkt_push_udp_and_ip (vlib_main_t * vm, vlib_buffer_t * b, u16 sp, + u16 dp, ip_address_t * sip, ip_address_t * dip); + +void *pkt_push_ecm_hdr (vlib_buffer_t * b); + +always_inline u8 * +vlib_buffer_get_tail (vlib_buffer_t * b) +{ + return b->data + b->current_data + b->current_length; +} + +always_inline void * +vlib_buffer_put_uninit (vlib_buffer_t * b, u8 size) +{ + /* XXX should make sure there's enough space! */ + void *p = vlib_buffer_get_tail (b); + b->current_length += size; + return p; +} + +always_inline void * +vlib_buffer_push_uninit (vlib_buffer_t * b, u8 size) +{ + /* XXX should make sure there's enough space! */ + ASSERT (b->current_data >= size); + b->current_data -= size; + b->current_length += size; + + return vlib_buffer_get_current (b); +} + +always_inline void * +vlib_buffer_make_headroom (vlib_buffer_t * b, u8 size) +{ + /* XXX should make sure there's enough space! */ + b->current_data += size; + return vlib_buffer_get_current (b); +} + +always_inline void * +vlib_buffer_pull (vlib_buffer_t * b, u8 size) +{ + if (b->current_length < size) + return 0; + + void *data = vlib_buffer_get_current (b); + vlib_buffer_advance (b, size); + return data; +} + +/* *INDENT-ON* */ + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ -- cgit 1.2.3-korg