From 014ea2ed39986793d6b82e7a43533e91c6ec2e18 Mon Sep 17 00:00:00 2001 From: Mauro Sardara Date: Tue, 10 Nov 2020 14:50:26 +0000 Subject: [HICN-651] Offload checksum computation also for data packets. Signed-off-by: Mauro Sardara Change-Id: I3663ac73cdbaad3e53d4b1973a7bcbb333b3910c --- hicn-plugin/src/faces/inlines.h | 42 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 hicn-plugin/src/faces/inlines.h (limited to 'hicn-plugin/src/faces/inlines.h') diff --git a/hicn-plugin/src/faces/inlines.h b/hicn-plugin/src/faces/inlines.h new file mode 100644 index 000000000..bfe56c8e6 --- /dev/null +++ b/hicn-plugin/src/faces/inlines.h @@ -0,0 +1,42 @@ +/* + * Copyright (c) 2020 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. + */ + +#ifndef __HICN_FACE_INLINES_H__ +#define __HICN_FACE_INLINES_H__ + +#include + +always_inline void +ensure_offload_flags (vlib_buffer_t * b, int is_v4) +{ + b->flags |= VNET_BUFFER_F_OFFLOAD_TCP_CKSUM; + b->flags |= is_v4 * VNET_BUFFER_F_OFFLOAD_IP_CKSUM; + size_t l3_header_size = is_v4 * sizeof(ip4_header_t) + (!is_v4) * sizeof(ip6_header_t); + + /* Make sure l3_hdr_offset and l4_hdr_offset are set */ + if (!(b->flags & VNET_BUFFER_F_L3_HDR_OFFSET_VALID)) + { + b->flags |= VNET_BUFFER_F_L3_HDR_OFFSET_VALID; + vnet_buffer(b)->l3_hdr_offset = b->current_data; + } + if (!(b->flags & VNET_BUFFER_F_L4_HDR_OFFSET_VALID)) + { + b->flags |= VNET_BUFFER_F_L4_HDR_OFFSET_VALID; + vnet_buffer(b)->l4_hdr_offset = + vnet_buffer(b)->l3_hdr_offset + l3_header_size; + } +} + +#endif /* __HICN_FACE_INLINES_H__ */ \ No newline at end of file -- cgit 1.2.3-korg