ea3e1fc875
directory and GNU autotools setup. Change-Id: I6c59d1297389c9413db0c0b9bdf3b759080bf1b8 Signed-off-by: Ole Troan <ot@cisco.com>
77 lines
3.0 KiB
C
77 lines
3.0 KiB
C
/*
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*------------------------------------------------------------------
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* spp_ctx.h - packet / context definitions
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*
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* Copyright (c) 2007-2014 Cisco and/or its affiliates.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*------------------------------------------------------------------
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*/
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#ifndef __SPP_CTX_H__
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#define __SPP_CTX_H__
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/* Packet header / data */
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/* Any change to spp_ctx_t structure should be updated in vnet/buffer.h
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* as well.
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*/
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typedef struct _spp_ctx {
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#ifdef TOBE_PORTED
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/* Following fields are required to handle multibuffer */
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u32 num_buffers; /* Number of buffers part of packet */
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vlib_buffer_t *next_ctx_this_packet;
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/* Following is used by non-UDP protocols */
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#define SPP_CTX_FEATURE_DATA_SIZE 16
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u8 feature_data[SPP_CTX_FEATURE_DATA_SIZE];
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#endif
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union { /* Roddick specific */
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u32 roddick_info;
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struct __tx_pkt_info { /* Used by PI to PI communication for TX */
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u32 uidb_index:16; /* uidb_index to transmit */
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u32 packet_type:2; /* 1-IPv4, 2-Ipv6, - 0,3 - Unused */
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u32 ipv4_defrag:1; /* 0 - Normal, 1 - update first
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* segment size
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* (set by 6rd defrag node)
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*/
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u32 dst_ip_port_idx:4;/* Index to dst_ip_port_table */
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u32 from_node:4;
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u32 calc_chksum:1;
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u32 reserved:4;
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} tx;
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struct __rx_pkt_info { /* Used by PD / PI communication */
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u32 uidb_index:16; /* uidb_index received in packet */
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u32 packet_type:2; /* 1-IPv4, 2-Ipv6, - 0,3 - Unused */
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u32 icmp_type:1; /* 0-ICMP query type, 1-ICMP error type */
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u32 protocol_type:2; /* 1-TCP, 2-UDP, 3-ICMP, 0 - Unused */
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u32 ipv4_defrag:1; /* 0 - Normal, 1 - update first
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* segment size
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* (set by 6rd defrag node)
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*/
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u32 direction:1; /* 0-Outside, 1-Inside */
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u32 frag:1; /*IP fragment-1, Otherwise-0*/
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u32 option:1; /* 0-No IP option (v4) present, non-fragHdr
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* option hdr present (v6)
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*/
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u32 df_bit:1; /* IPv4 DF bit copied here */
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u32 reserved1:6;
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} rx;
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} ru;
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} spp_ctx_t;
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#endif
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