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-rw-r--r--plugins/vcgn-plugin/vcgn/spp_ctx.h76
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
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index 00000000000..2d3c95c8887
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+++ b/plugins/vcgn-plugin/vcgn/spp_ctx.h
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+/*
+ *------------------------------------------------------------------
+ * 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