diff options
Diffstat (limited to 'plugins/vcgn-plugin/vcgn/spp_ctx.h')
| -rw-r--r-- | plugins/vcgn-plugin/vcgn/spp_ctx.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/plugins/vcgn-plugin/vcgn/spp_ctx.h b/plugins/vcgn-plugin/vcgn/spp_ctx.h new file mode 100644 index 00000000000..2d3c95c8887 --- /dev/null +++ b/plugins/vcgn-plugin/vcgn/spp_ctx.h @@ -0,0 +1,76 @@ +/* + *------------------------------------------------------------------ + * spp_ctx.h - packet / context definitions + * + * Copyright (c) 2007-2014 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 __SPP_CTX_H__ +#define __SPP_CTX_H__ + +/* Packet header / data */ + +/* Any change to spp_ctx_t structure should be updated in vnet/buffer.h + * as well. + */ +typedef struct _spp_ctx { +#ifdef TOBE_PORTED + /* Following fields are required to handle multibuffer */ + u32 num_buffers; /* Number of buffers part of packet */ + vlib_buffer_t *next_ctx_this_packet; + + /* Following is used by non-UDP protocols */ +#define SPP_CTX_FEATURE_DATA_SIZE 16 + + u8 feature_data[SPP_CTX_FEATURE_DATA_SIZE]; +#endif + + union { /* Roddick specific */ + u32 roddick_info; + struct __tx_pkt_info { /* Used by PI to PI communication for TX */ + u32 uidb_index:16; /* uidb_index to transmit */ + u32 packet_type:2; /* 1-IPv4, 2-Ipv6, - 0,3 - Unused */ + u32 ipv4_defrag:1; /* 0 - Normal, 1 - update first + * segment size + * (set by 6rd defrag node) + */ + + u32 dst_ip_port_idx:4;/* Index to dst_ip_port_table */ + u32 from_node:4; + u32 calc_chksum:1; + u32 reserved:4; + } tx; + struct __rx_pkt_info { /* Used by PD / PI communication */ + u32 uidb_index:16; /* uidb_index received in packet */ + u32 packet_type:2; /* 1-IPv4, 2-Ipv6, - 0,3 - Unused */ + u32 icmp_type:1; /* 0-ICMP query type, 1-ICMP error type */ + u32 protocol_type:2; /* 1-TCP, 2-UDP, 3-ICMP, 0 - Unused */ + u32 ipv4_defrag:1; /* 0 - Normal, 1 - update first + * segment size + * (set by 6rd defrag node) + */ + + u32 direction:1; /* 0-Outside, 1-Inside */ + u32 frag:1; /*IP fragment-1, Otherwise-0*/ + u32 option:1; /* 0-No IP option (v4) present, non-fragHdr + * option hdr present (v6) + */ + u32 df_bit:1; /* IPv4 DF bit copied here */ + u32 reserved1:6; + } rx; + } ru; +} spp_ctx_t; + +#endif |