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-rw-r--r--plugins/vcgn-plugin/vcgn/tcp_header_definitions.h1582
1 files changed, 1582 insertions, 0 deletions
diff --git a/plugins/vcgn-plugin/vcgn/tcp_header_definitions.h b/plugins/vcgn-plugin/vcgn/tcp_header_definitions.h
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+++ b/plugins/vcgn-plugin/vcgn/tcp_header_definitions.h
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+/*
+ *-----------------------------------------------------------------------------
+ *
+ * Filename: tcp_header_definitions.h
+ *
+ * Description: Layer 2, 3, 4 definitions and header types
+ *
+ * Assumptions and Constraints:
+ *
+ * Copyright (c) 2012-2013 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 __TCP_HEADER_DEFINITIONS_H__
+#define __TCP_HEADER_DEFINITIONS_H__
+
+/*
+ * A general list of Layer 3 protocols, used by many Layer 2 encaps.
+ *
+ * formerly:
+ * TYPE_IP TYPE_IP10MB
+ * TYPE_ARP TYPE_RFC826_ARP
+ * TYPE_RARP TYPE_REVERSE_ARP
+ * TYPE_MPLS TYPE_TAGSWITCH
+ */
+#define TYPE_IP 0x0800
+#define TYPE_IP_V6 0x86DD
+#define TYPE_ARP 0x0806
+#define TYPE_RARP 0x8035
+#define TYPE_MPLS 0x8847
+#define TYPE_CDP 0x2000
+#define TYPE_CGMP 0x2001
+#define TYPE_LACP 0x8808 /* 802.3ad */
+#define TYPE_CLNS 0xFEFE
+
+#define TYPE_PPPOE_SESSION 0x8864 /* PTA plus */
+#define TYPE_PPPOE_DISCOVERY 0x8863 /* PTA plus */
+
+/*
+ * for atm arp handling
+ */
+#define IN_ATM_ARP_BIT 0x0008
+
+/*
+ * The Layer 2 header structures.
+ */
+
+
+/*
+** HDLC
+*/
+
+typedef struct hdlc_hdr_type {
+ u16 addr;
+ u16 type;
+ u8 data[0];
+} hdlc_hdr_type;
+
+#define HDLC_ADDR_CMD 0x0F00
+#define HDLC_HDR_LEN 4
+#define HDLC_BROADCAST_BIT 31
+#define TYPE_KEEP 0x8035
+
+#define HDLC_CLNS (HDLC_ADDR_CMD<<16|TYPE_CLNS)
+#define HDLC_CDP (HDLC_ADDR_CMD<<16|TYPE_CDP)
+#define HDLC_MPLS (HDLC_ADDR_CMD<<16|TYPE_MPLS)
+#define HDLC_IP (HDLC_ADDR_CMD<<16|TYPE_IP)
+#define HDLC_IP_V6 (HDLC_ADDR_CMD<<16|TYPE_IP_V6)
+#define HDLC_KEEPALIVE_CMD (HDLC_ADDR_CMD<<16|TYPE_KEEP)
+
+/*
+** PPP
+*/
+
+typedef struct ppp_comp_hdr_type {
+ union {
+ u8 ppp_u8[4];
+ u16 ppp_u16[2];
+ u32 ppp_u32;
+ } ppp_comp_u;
+} ppp_comp_hdr_type;
+
+#define PPP_STATION 0xFF03
+#define PPP_STATION_LEN 0x2
+#define PPP_ENDPROTO 0x01
+#define PPP_NOT_ENDPROTO 0xfffffffe
+#define PPP_CONTROL_PROTOCOL_MASK 0x8000
+#define PPP_CONTROL_PROTOCOL_BIT 15
+#define PPP_CSCO_LEN 4
+#define PPP_RFC1661_LEN 2
+#define PPP_RFC1661_COMP_LEN 1
+
+#define TYPE_PPP_IP 0x0021
+#define TYPE_PPP_IP_V6 0x0057
+#define TYPE_PPP_MPLS_UNICAST 0x0281
+#define TYPE_PPP_MPLS_CONTROL 0x8281
+#define TYPE_PPP_CLNS 0x0023
+#define TYPE_PPP_CDP 0x0207
+
+#define TYPE_PPP_IPCP 0x8021
+#define TYPE_PPP_LCP 0xC021
+#define TYPE_PPP_PAP 0xC023
+#define TYPE_PPP_LQR 0xC025
+#define TYPE_PPP_CHAP 0xC223
+
+
+#define TYPE_PPP_LCP_ECHO_REQUEST 0x09
+/*
+** MultiLink PPP
+*/
+
+#define MLPPP_FLAGS_FIELD_LEN 4
+#define MLPPP_BEGIN_MASK 0x80000000
+#define MLPPP_END_MASK 0x40000000
+#define MLPPP_BEGIN_END_MASK (MLPPP_BEGIN_MASK|MLPPP_END_MASK)
+#define MLPPP_BEGIN_END_SHIFT 30
+#define MLPPP_SEQUENCE_NUM_MASK 0x00FFFFFF
+#define MLPPP_MC_CLASS_ID_MASK 0x3C000000
+#define MLPPP_MC_CLASS_SHIFT 26
+
+#define TYPE_PPP_MULTILINK 0x003D
+
+/* these are needed in the micro-code, for optimizations */
+#define TYPE_PPP_FULL_IP_4 0xff030021
+#define TYPE_PPP_FULL_IP_3 0xff0321
+#define TYPE_PPP_FULL_IP_2 0x0021
+#define TYPE_PPP_FULL_IP_1 0x21
+
+#define MLPPP_BEGIN_END_MASK_BYTE 0xC0
+#define MLPPP_BEGIN_BIT 7
+#define MLPPP_END_BIT 6
+#define MLPPP_MC_CLASS_ID_MASK_BYTE 0x3C
+#define MLPPP_MC_CLASS_ID_SHIFT_BYTE 2
+
+#define MLPOA_BEGIN_END_SHIFT 24
+
+/*
+** Ethernet ARPA
+*/
+
+
+typedef struct ethernet_arpa_hdr_type {
+ u8 daddr[6];
+ u8 saddr[6];
+ u16 type;
+ u8 data[0];
+} ethernet_arpa_hdr_type;
+
+typedef struct extension_802p3_type {
+ u16 type;
+ u8 ctl;
+ u8 data[0];
+} extension_802p3_type;
+
+typedef struct ethernet_802p3_hdr_type {
+ u8 daddr[6];
+ u8 saddr[6];
+ u16 length;
+ extension_802p3_type extension;
+} ethernet_802p3_hdr_type;
+
+
+typedef struct ethernet_vlan_802p3_hdr_type {
+ u8 daddr[6];
+ u8 saddr[6];
+ u16 type1;
+ u16 vlan_id;
+ u16 length;
+ extension_802p3_type extension;
+} ethernet_vlan_802p3_hdr_type;
+
+#define MIN_ETHERNET_PKT_LEN 60
+#define MAX_ETHERNET_PKT_LEN 1500
+#define ETHERNET_ARPA_HDR_LEN 14
+#define ETHERNET_TYPE_FIELD_SIZE 2
+
+
+/*
+** Ethernet 802.1q (VLAN)
+*/
+
+typedef struct ethernet_vlan_hdr_type {
+ u8 dest_addr[6];
+ u8 src_addr[6];
+ u16 type1;
+ u16 vlan_hdr;
+ u16 type2;
+ u8 data[0];
+} ethernet_vlan_hdr_type;
+
+
+/*
+** Ethernet 802.1.q-in-q (QinQ)
+*/
+
+typedef struct ethernet_qinq_hdr_type {
+ u8 dest_addr[6];
+ u8 src_addr[6];
+ u16 type1;
+ u16 vlan_hdr1;
+ u16 type2;
+ u16 vlan_hdr2;
+ u16 type3;
+ u8 data[0];
+} ethernet_qinq_hdr_type;
+
+
+/*
+** Ethernet 802.3ad EtherChannel control
+*/
+
+typedef struct ethernet_lacp_hdr_type {
+ u8 daddr[6];
+ u8 saddr[6];
+ u16 type;
+ u16 LAcmd;
+ u8 data[0];
+} ethernet_lacp_hdr_type;
+
+
+/*
+** Ethernet 802.1 Bridge (spanning tree) PDU
+*/
+
+typedef struct ethernet_bpdu_hdr_type {
+ u8 daddr[6];
+ u8 saddr[6];
+ u8 dsap;
+ u8 ssap;
+ u8 control;
+ u8 more[0];
+} ethernet_bpdu_hdr_type;
+
+#define ETH_BPDU_DSAP 0x42
+#define ETH_BPDU_SSAP 0x42
+#define ETH_BPDU_CONTROL 0x03
+#define ETH_BPDU_MATCH 0x424203
+
+
+/************************************************************/
+/* PTA PLUS ETHERNET ENCAPSULATIONS */
+/*
+ * PPPoEoARPA 20 bytes
+ */
+typedef struct ethernet_pppoe_arpa_hdr_type {
+ u8 daddr[6];
+ u8 saddr[6];
+ u16 type;
+ /* pppoe hdr at begining of enet payload */
+ u16 vtc; /* version(4b), type(4b) and code(8b) fields */
+ u16 sid;
+ u16 len;
+ u8 ppp_header[0]; /* PPP header start, no ff03 field present */
+} ethernet_pppoe_arpa_hdr_type;
+
+typedef struct pppoe_hdr_type {
+ /* pppoe hdr at begining of enet payload */
+ u16 vtc; /* version(4b), type(4b) and code(8b) fields */
+ u16 sid;
+ u16 len;
+ u8 ppp_header[0]; /* PPP header start, no ff03 field present */
+} pppoe_hdr_type;
+
+/*
+** PPPoEoVLAN (802.1p or 802.1q) 24 bytes
+*/
+typedef struct ethernet_pppoe_vlan_hdr_type {
+ u8 dest_addr[6];
+ u8 src_addr[6];
+ u16 type1;
+ u16 vlan_hdr;
+ u16 type2;
+ /* pppoe hdr at begining of enet payload */
+ u16 vtc; /* version(4b), type(4b) and code(8b) fields */
+ u16 sid;
+ u16 len;
+ u8 ppp_header[0]; /* PPP header start, no ff03 field present */
+} ethernet_pppoe_vlan_hdr_type;
+
+/*
+** PPPoEoQinQ 28 bytes
+*/
+typedef struct ethernet_pppoe_qinq_hdr_type {
+ u8 dest_addr[6];
+ u8 src_addr[6];
+ u16 type1;
+ u16 vlan_hdr1;
+ u16 type2;
+ u16 vlan_hdr2;
+ u16 type3;
+ /* pppoe hdr at begining of enet payload */
+ u16 vtc; /* version(4b), type(4b) and code(8b) fields */
+ u16 sid;
+ u16 len;
+ u8 ppp_header[0]; /* PPP header start, no ff03 field present */
+} ethernet_pppoe_qinq_hdr_type;
+
+#define ETH_PPPOE_ARPA_HDR_LEN sizeof(ethernet_pppoe_arpa_hdr_type)
+#define ETH_PPPOE_VLAN_HDR_LEN sizeof(ethernet_pppoe_vlan_hdr_type)
+#define ETH_PPPOE_QINQ_HDR_LEN sizeof(ethernet_pppoe_qinq_hdr_type)
+#define PPPOE_HDR_LEN 6
+/* End PTA PLUS ETHERNET ENCAPSULATIONS */
+/****************************************************************/
+
+
+
+#define TYPE_DOT1Q 0x8100
+#define DOT1Q_HDR_LEN 18
+#define DOT1Q_VLAN_ID_MASK 0x0FFF
+#define DOT1Q_VLAN_ID_RES_0 0x0000
+#define DOT1Q_VLAN_ID_RES_4095 0x0FFF
+#define DOT1Q_ARPA_INDEX DOT1Q_VLAN_ID_RES_0
+
+#define TYPE_QINQ_91 0x9100
+#define TYPE_QINQ_92 0x9200
+#define TYPE_QINQ_88A8 0x88A8
+#define QINQ_HDR_LEN 22
+
+/*
+ * 802.1p support
+ */
+#define DOT1P_VLAN_COS_MASK 0xE000
+#define DOT1P_VLAN_COS_SHIFT 13
+#define DOT1P_MAX_COS_VALUE 7
+
+/*
+** Frame Relay
+*/
+
+/*
+ * formerly:
+ * TYPE_FR_IETF_IPV4 ENCAPS_FR_IETF
+ * TYPE_FR_CISCO_IPV4 ENCAPS_FR_CISCO
+ * TYPE_FR_ISIS ENCAPS_FR_ISIS
+ *
+ * FR_LMI_DLCI_CISCO LMI_DLCI_CISCO
+ * FR_LMI_DLCI_IETF LMI_DLCI_ITUANSI
+ */
+
+typedef struct frame_relay_hdr_type {
+ u16 address;
+ u16 control_nlpid;
+ u8 data[0];
+} frame_relay_hdr_type;
+
+typedef struct fr_snap_hdr_type {
+ u16 address;
+ u8 control;
+ u8 pad;
+ u8 nlpid;
+ u8 oui[3];
+ u16 protocol_id;
+} fr_snap_hdr_type;
+
+#define FR_ADDR_LEN 2
+#define FR_CTL_NLPID_LEN 2
+#define FR_HDR_LEN (FR_ADDR_LEN+FR_CTL_NLPID_LEN)
+
+/*
+ * These defines are for the FR-SNAP header.
+ * The SNAP header is set up solely so that we can
+ * identify ARP packets, which look like this:
+ *
+ * control pad nlpid oui protocol_id
+ * 03 00 80 00 00 00 0806
+ */
+#define FR_ARP_CONTROL 0x03
+#define FR_ARP_PAD 0x00
+#define FR_ARP_NLPID 0x80
+#define FR_ARP_OUI_0 0x00
+#define FR_ARP_OUI_1 0x00
+#define FR_ARP_OUI_2 0x00
+/*
+ * these are used only in the tmc code
+ */
+#define FR_NLPID_OUI_LEN 4
+#define FR_ARP_CONTROL_PAD 0x0300
+#define FR_ARP_NLPID_OUI 0x80000000
+
+
+#define FR_DLCI_UPPER_MASK 0xFC00
+#define FR_DLCI_UPPER_SHIFT 6
+#define FR_DLCI_LOWER_MASK 0x00F0
+#define FR_DLCI_LOWER_SHIFT 4
+
+/*
+ * Defines for converting a DLCI for insertion into a synthesized FR address
+ * field for FRoMPLS disposition.
+
+ * bit 8 7 6 5 4 3 2 1
+ * +-------------------------------+
+ * | Flag |
+ * | 0 1 1 1 1 1 1 0 |
+ * +-------------------------------+
+ * | Upper DLCI |C/R| 0 |
+ * +-------------------------------+
+ * | Lower DLCI | F | B | DE| 1 |
+ * +-------------------------------+
+ * | |
+ * :Frame relay information field :
+ * : (i.e.payload) :
+ * | |
+ * +-------------------------------+
+ * | FCS (2 or 4 octets) |
+ * | |
+ * +-------------------------------+
+ * | Flag |
+ * | 0 1 1 1 1 1 1 0 |
+ * +-------------------------------+
+ *
+ * a-With 10 bits for the DLCI
+ */
+#define FR_DLCI_TO_HDR_UPPER_MASK 0x3f0
+#define FR_DLCI_TO_HDR_UPPER_SHIFT (10-4)
+#define FR_DLCI_TO_HDR_LOWER_MASK 0xf
+#define FR_DLCI_TO_HDR_LOWER_SHIFT 4
+
+#define TYPE_FR_IETF_IP 0x03CC
+#define TYPE_FR_IETF_IP_V6 0x038E
+#define TYPE_FR_CISCO_IP 0x0800
+#define TYPE_FR_CISCO_IP_V6 0x86DD
+#define TYPE_FR_ISIS 0x0383
+#define TYPE_FR_SNAP0PAD 0x0380
+#define TYPE_FR_SNAP1PAD 0x0300
+#define TYPE_FR_FRF12 0x03B1
+#define TYPE_FR_MLP 0x03CF
+#define TYPE_FR_EEK 0x8037
+
+#define FR_LMI_DLCI_CISCO 1023
+#define FR_LMI_DLCI_IETF 0
+
+#define FR_NOT_NOT_NOT 0
+#define FR_NOT_NOT_DE 1
+#define FR_NOT_BECN_NOT 2
+#define FR_NOT_BECN_DE 3
+#define FR_FECN_NOT_NOT 4
+#define FR_FECN_NOT_DE 5
+#define FR_FECN_BECN_NOT 6
+#define FR_FECN_BECN_DE 7
+
+#define FR_FECN_BECN_DE_MASK 0x000E
+#define FR_FECN_BECN_DE_SHIFT 1
+
+/* Address field extension bit for standard 2-byte FR address field */
+#define FR_EA1_MASK 0x0001
+#define FR_EA1_MASK_BIT 0
+
+/*
+ * these are needed in the micro-code, for optimizations
+ */
+
+/* the bit position (in the address field) of the LSB of the DLCI */
+#define FR_DLCI_LS_BIT 4
+
+
+/*
+**
+** MultiLink Frame Relay
+**
+*/
+
+typedef struct mlfr_hdr_type {
+ u16 frag_hdr;
+ u16 address;
+ u16 control_nlpid;
+ u8 data[0];
+} mlfr_hdr_type;
+
+/*
+ * LIP frames have B, E and C set--the other
+ * bits in the frag_hdr field are irrelevant.
+ *
+ * NOTE: Injected LIP packets have a frag_hdr of 0xE100.
+ *
+ */
+#define MLFR_LIP_FRAME 0xE100
+#define MLFR_LIP_MASK 0xE000
+#define MLFR_FRAG_HDR_LEN 2
+
+#define MLFR_BEGIN_MASK 0x8000
+#define MLFR_END_MASK 0x4000
+#define MLFR_BEGIN_END_MASK (MLFR_BEGIN_MASK|MLFR_END_MASK)
+#define MLFR_BEGIN_END_SHIFT 14
+
+#define MLFR_SEQ_NUM_HI_MASK 0x1E00
+#define MLFR_SEQ_NUM_HI_SHIFT 1
+#define MLFR_SEQ_NUM_LO_MASK 0x00FF
+
+/*
+ * these are needed in the micro-code, for optimizations
+ */
+#define MLFR_BEGIN_END_MASK_BYTE 0xC0
+
+
+/*
+ * FRF.12 definitions
+ */
+typedef struct frf12_hdr_type_ {
+ u16 address;
+ u16 control_nlpid;
+ u16 frag_hdr;
+ u8 data[0];
+} frf12_hdr_type;
+
+#define FRF12_FRAG_HDR_LEN sizeof(frf12_hdr_type)
+
+#define FRF12_BEGIN_MASK 0x8000
+#define FRF12_END_MASK 0x4000
+#define FRF12_BEGIN_END_MASK (FRF12_BEGIN_MASK|FRF12_END_MASK)
+#define FRF12_BEGIN_END_SHIFT 8
+
+#define FRF12_SEQ_NUM_HI_MASK 0x1E00
+#define FRF12_SEQ_NUM_HI_SHIFT 1
+#define FRF12_SEQ_NUM_LO_MASK 0x00FF
+#define FRF12_BEGIN_END_MASK_BYTE 0xC0
+
+
+
+/*
+**
+** MLP over Frame Relay
+** The ppp hdr can be either a
+** an MLP hdr or a PPP hdr
+**
+** MLP can be compressed or not:
+** a) 0xff03003d
+** b) 0x003d
+** c) 0x3d
+** followed by:
+** 1 byte with begin/end bits
+** 3 bytes of a sequence #
+**
+** PPP can be also be compressed or not.
+** Only these will be fwded:
+** a) 0xff030021
+** b) 0xff0321
+** c) 0x0021
+** d) 0x21
+**
+**
+*/
+typedef struct mlpofr_hdr_type {
+ u16 address;
+ u16 control_nlpid;
+ u8 ppp_header[0];
+} mlpofr_hdr_type;
+
+/*
+** ATM -
+*/
+
+/*
+ * channel_handle is defined as follows:
+ *
+ * bits 15 = reserved (must be 0)
+ * bits 14 - 0 = channel handle
+ *
+ *
+ * flags is a bitfield defined as follows:
+ *
+ * bits 15 - 13 = proto (PPPoA RFC1661 = 0,
+ * PPPoE = 1,
+ * RBE = 2,
+ * PPPoA Cisco = 3,
+ * MLPoATM RFC1661 = 4,
+ * MLPoATM Cisco = 5,
+ * Reserved = 6-7)
+ * bit 12 = encap (MUX=0,
+ * SNAP=1)
+ * bits 11 - 6 = reserved (must be 0)
+ * bits 5 - 3 = pkt_type (AAL5 pkt = 0,
+ * Raw cell (includes F4 OAM) = 1,
+ * F5 segment OAM cell = 2
+ * F5 end-to-end OAM cell = 3
+ * Reserved = 4-7)
+ * bit 2 = EFCI (congestion indication)
+ * bit 1 = reserved (must be 0)
+ * bit 0 = CLP (cell loss priority)
+ */
+
+typedef struct apollo_atm_generic_hdr_type {
+ u16 channel_handle;
+ u16 flags;
+} apollo_atm_generic_hdr_type;
+
+typedef struct apollo_atm_aal5_snap_hdr_type {
+ u16 channel_handle;
+ u16 flags;
+ u8 dsap;
+ u8 ssap;
+ u8 control;
+ u8 oui[3];
+ u16 type;
+ u8 data[0];
+} apollo_atm_aal5_snap_hdr_type;
+
+typedef struct atm_aal5_snap_hdr_type {
+ u8 dsap;
+ u8 ssap;
+ u8 control;
+ u8 oui[3];
+ u16 pid;
+ u16 pad;
+ u8 data[0];
+} atm_aal5_snap_hdr_type;
+
+
+typedef struct apollo_atm_aal5_snap_hdr1_type {
+ u16 channel_handle;
+ u16 flags;
+ u8 dsap;
+ u8 ssap;
+ u8 control;
+ u8 oui0;
+ u8 oui1;
+ u8 oui2;
+ u16 type;
+ u8 data[0];
+} apollo_atm_aal5_snap_hdr1_type;
+
+typedef struct apollo_atm_aal5_clns_hdr_type {
+ u16 channel_handle;
+ u16 flags;
+ u16 type;
+ u16 data;
+} apollo_atm_aal5_clns_hdr_type;
+
+typedef struct apollo_atm_aal5_ilmi_hdr_type {
+ u16 channel_handle;
+ u16 flags;
+ u8 data[0];
+} apollo_atm_aal5_ilmi_hdr_type;
+
+typedef struct apollo_atm_aal5_mux_hdr_type {
+ u16 channel_handle;
+ u16 flags;
+ u8 data[0];
+} apollo_atm_aal5_mux_hdr_type;
+
+typedef struct apollo_atm_oam_f4_hdr_type {
+ u16 channel_handle;
+ u16 flags;
+ /*
+ * gcf_vpi_vci_pt_clp is a bitfield defined as follows:
+ *
+ * bits 31 - 28 = GCF
+ * bits 27 - 20 = VPI
+ * bits 19 - 4 = VCI
+ * bits 3 - 1 = PT
+ * bit 0 = CLP
+ */
+ u32 gcf_vpi_vci_pt_clp;
+ u8 data[0];
+} apollo_atm_oam_f4_hdr_type;
+
+#define APOLLO_ATM_OAM_F4_HDR_PT_MASK 0xE
+#define APOLLO_ATM_OAM_F4_HDR_PT_SHIFT 1
+
+typedef struct apollo_atm_oam_f5_hdr_type {
+ u16 channel_handle;
+ u16 flags;
+ u8 data[0];
+} apollo_atm_oam_f5_hdr_type;
+
+#define APOLLO_IRONBUS_EXT_LESS_PROTO 0xFFFF0FFF
+#define APOLLO_CHANNEL_HANDLE_MASK 0xFFFF
+#define APOLLO_PKT_TYPE_MASK 0x0038
+#define APOLLO_PKT_TYPE_SHIFT 3
+#define APOLLO_FLAG_CLP_MASK 0x0001
+#define APOLLO_FLAG_CLP_BIT 0
+
+#define APOLLO_CHANNEL_HANDLE_RES_0 0x0000
+/*
+ * The 1 byte HEC field is removed by the line card.
+ */
+#define APOLLO_F4_RX_CELL_SIZE 52
+#define APOLLO_F5_RX_CELL_SIZE 52
+
+#define APOLLO_ATM_PACKET_TYPE_AAL5 0
+#define APOLLO_ATM_PACKET_TYPE_F4 1
+#define APOLLO_ATM_PACKET_TYPE_F5_SEG 2
+#define APOLLO_ATM_PACKET_TYPE_F5_E_TO_E 3
+#define APOLLO_ATM_PACKET_TYPE_4 4
+#define APOLLO_ATM_PACKET_TYPE_5 5
+#define APOLLO_ATM_PACKET_TYPE_6 6
+#define APOLLO_ATM_PACKET_RESERVED 7
+
+#define APOLLO_AAL5_MUX_IP_HDR_LEN 4
+#define APOLLO_AAL5_SNAP_HDR_LEN 12
+
+#define APOLLO_RCV_IRON_BUS_EXT_LEN 4
+#define APOLLO_TX_IRON_BUS_EXT_LEN 8
+
+/*
+ * MLPoA type definitions
+ */
+#define MLPOA_CISCO_HDR 0xFF03
+#define MLPOA_SNAP_HDR_LEN 4
+#define MLPOA_CISCO_HDR_LEN 2
+
+/************************************************************/
+/* PTA PLUS ATM ENCAPSULATIONS */
+
+/* RBE header 28 bytes*/
+typedef struct apollo_atm_aal5_llcsnap_rbe_hdr_type {
+ u16 channel_handle;
+ u16 flags;
+ u8 dsap;
+ u8 ssap;
+ u8 control;
+ u8 oui[3];
+ u16 pid;
+ u16 pad;
+ /* enet header within */
+ u8 daddr[6];
+ u8 saddr[6];
+ u16 type;
+ u8 data[0]; /* start of IP */
+} apollo_atm_aal5_llcsnap_rbe_hdr_type;
+
+/* PPPoEoA header 34 bytes*/
+typedef struct apollo_atm_aal5_llcsnap_pppoe_hdr_type {
+ u16 channel_handle;
+ u16 flags;
+ u8 dsap;
+ u8 ssap;
+ u8 control;
+ u8 oui[3];
+ u16 pid;
+ u16 pad;
+ /* enet header within */
+ u8 daddr[6];
+ u8 saddr[6];
+ u16 type;
+ /* pppoe hdr at begining of enet payload */
+ u16 vtc; /* version(4b), type(4b) and code(8b) fields */
+ u16 sid;
+ u16 len;
+ u8 ppp_header[0]; /* PPP header start, no ff03 field present */
+} apollo_atm_aal5_llcsnap_pppoe_hdr_type;
+
+
+/* PPPoA MUX 4 bytes*/
+typedef struct apollo_atm_aal5_mux_pppoa_hdr_type {
+ u16 channel_handle;
+ u16 flags;
+ u8 ppp_header[0];
+} apollo_atm_aal5_mux_pppoa_hdr_type;
+
+
+/* PPPoA SNAP LLC 8 bytes */
+typedef struct apollo_atm_aal5_llcsnap_pppoa_hdr_type {
+ u16 channel_handle;
+ u16 flags;
+ u8 dsap;
+ u8 ssap;
+ u8 control;
+ u8 nlpid;
+ u8 ppp_header[0];
+} apollo_atm_aal5_llcsnap_pppoa_hdr_type;
+
+/* MLPoA MUX (generic) */
+typedef struct apollo_atm_aal5_mux_mlpoa_hdr_type {
+ u16 channel_handle;
+ u16 flags;
+ u8 ppp_header[0];
+} apollo_atm_aal5_mux_mlpoa_hdr_type;
+
+/* MLPoA SNAP LLC */
+typedef struct apollo_atm_aal5_llcsnap_mlpoa_hdr_type {
+ u16 channel_handle;
+ u16 flags;
+ u8 dsap;
+ u8 ssap;
+ u8 control;
+ u8 nlpid;
+ u8 ppp_header[0];
+} apollo_atm_aal5_llcsnap_mlpoa_hdr_type;
+
+
+#define PPPOA_SNAPLLC_HDR_LEN sizeof(apollo_atm_aal5_llcsnap_pppoa_hdr_type)
+#define PPPOA_MUX_HDR_LEN sizeof(apollo_atm_aal5_mux_pppoa_hdr_type)
+#define PPPOE_SNAPLLC_HDR_LEN sizeof(apollo_atm_aal5_llcsnap_pppoe_hdr_type)
+#define RBE_SNAPLLC_HDR_LEN sizeof(apollo_atm_aal5_llcsnap_rbe_hdr_type)
+
+/* End PTA PLUS ATM ENCAPSULATIONS */
+/****************************************************************/
+
+#define LLCSNAP_PID_DOT3_NOFCS 0x0007
+
+/*
+** the SNAP header
+*/
+
+/*
+ * Note that some of these definitions are split
+ * up along certain word or half word boundaries
+ * to help expediate the TMC code.
+ */
+#define LLC_SNAP_HDR_DSAP 0xAA
+#define LLC_SNAP_HDR_SSAP 0xAA
+#define LLC_SNAP_HDR_CONTROL 0x03
+#define LLC_SNAP_HDR_OUI_0 0x00
+#define LLC_SNAP_HDR_OUI_1 0x00
+#define LLC_SNAP_HDR_OUI_2 0x00
+#define LLC_SNAP_HDR_OUI_2_CDP 0x0C
+
+#define LLC_SNAP_HDR_DSAP_SSAP 0xAAAA
+#define LLC_SNAP_HDR_DSAP_SSAP_CTRL_OUI0 0xAAAA0300
+#define LLC_SNAP_HDR_CONTROL_OUI 0x03000000
+#define LLC_SNAP_HDR_OUI1_OUI2_CDP 0x000C2000
+
+
+
+/*
+** SRP
+*/
+
+/*
+ * The v2_gen_hdr is a 2-byte field that contains the following:
+ *
+ * [ ttl | ring_id | mode | priority | parity ]
+ * bits 8 1 3 3 1
+ */
+typedef struct srp_hdr_type {
+ u16 v2_gen_hdr;
+ u8 dest_addr[6];
+ u8 src_addr[6];
+ u16 protocol;
+ u8 data[0];
+} srp_hdr_type;
+
+#define SRP_HDR_LEN 16
+
+#define SRP_IB_CHANNEL_CONTROL 0x0000
+#define SRP_IB_CHANNEL_DATA_HI 0x0001
+#define SRP_IB_CHANNEL_DATA_LO 0x0002
+
+#define SRP_RING_ID_MASK 0x0080
+#define SRP_RING_ID_BIT 7
+
+#define SRP_MODE_BITS_MASK 0x0070
+#define SRP_MODE_BITS_SHIFT 4
+#define SRP_MODE_CONTROL_TOPOLOGY 4
+#define SRP_MODE_CONTROL_IPS 5
+#define SRP_MODE_DATA 7
+
+#define SRP_PRIORITY_BITS_MASK 0x000E
+#define SRP_PRIORITY_BITS_SHIFT 1
+#define SRP_PRIORITY_HIGH 7
+#define SRP_PRIORITY_PAK_PRIORITY 6
+
+/* this is for the tmc code */
+#define SRP_INV_PRIORITY_BITS_MASK 0xFFF1
+
+#define SRP_PROT_CONTROL_TOPOLOGY 0x2007
+#define SRP_PROT_CONTROL_IPS 0x2007
+
+/* this is for the tmc code */
+#define SRP_TRUE 1
+#define SRP_FALSE 0
+
+/*
+** MPLS
+*/
+#define MPLS_EOS_BIT 0x00000100
+#define MPLS_EOS_SHIFT 8
+#define MPLS_LABEL_SIZE 4
+#define MAX_MPLS_LABEL_STACK 6
+#define MPLS_LABEL_MASK 0xfffff000
+#define MPLS_LABEL_SHIFT 12
+#define MPLS_TTL_MASK 0x000000ff
+#define MPLS_EXP_MASK 0x00000e00
+#define MPLS_EXP_SHIFT 9
+#define MPLS_EXP_TTL_MASK 0x00000eff
+
+
+
+typedef union _layer2 {
+ hdlc_hdr_type hdlc;
+ ppp_comp_hdr_type ppp;
+ ethernet_arpa_hdr_type eth_arpa;
+ ethernet_vlan_hdr_type eth_vlan;
+ ethernet_qinq_hdr_type eth_qinq;
+ ethernet_lacp_hdr_type eth_lacp;
+ ethernet_bpdu_hdr_type eth_bpdu;
+ ethernet_802p3_hdr_type eth_802p3;
+ ethernet_vlan_802p3_hdr_type eth_vlan_802p3;
+ ethernet_pppoe_arpa_hdr_type eth_pppoe_arpa; /* PTA plus */
+ ethernet_pppoe_vlan_hdr_type eth_pppoe_vlan; /* PTA plus */
+ ethernet_pppoe_qinq_hdr_type eth_pppoe_qinq; /* PTA plus */
+ frame_relay_hdr_type frame_relay;
+ fr_snap_hdr_type fr_snap;
+ mlfr_hdr_type mlfr;
+ mlpofr_hdr_type mlpofr;
+ frf12_hdr_type frf12;
+ apollo_atm_generic_hdr_type atm_generic;
+ apollo_atm_aal5_snap_hdr_type atm_aal5_snap;
+ apollo_atm_aal5_snap_hdr1_type atm_aal5_snap1;
+ apollo_atm_aal5_clns_hdr_type atm_aal5_clns;
+ apollo_atm_aal5_ilmi_hdr_type atm_aal5_ilmi;
+ apollo_atm_aal5_mux_hdr_type atm_aal5_mux;
+ apollo_atm_oam_f4_hdr_type atm_oam_f4;
+ apollo_atm_oam_f5_hdr_type atm_oam_f5;
+ apollo_atm_aal5_llcsnap_rbe_hdr_type atm_aal5_rbe_snapllc; /* PTA plus */
+ apollo_atm_aal5_llcsnap_pppoe_hdr_type atm_aal5_pppoe_snapllc; /* PTA plus */
+ apollo_atm_aal5_mux_pppoa_hdr_type atm_aal5_pppoa_mux; /* PTA plus */
+ apollo_atm_aal5_llcsnap_pppoa_hdr_type atm_aal5_pppoa_snapllc; /* PTA plus */
+ apollo_atm_aal5_mux_mlpoa_hdr_type mlpoa_generic;
+ apollo_atm_aal5_llcsnap_mlpoa_hdr_type mlpoa_snapllc;
+ srp_hdr_type srp;
+} layer2_t;
+
+/*
+ * Define the Common OAM cell format - F4 & F5 cells
+ * For F4 cells:
+ * VPI == User VPI
+ * VCI == (3 == Segment), (4 == End-to-End)
+ *
+ * For F5 cells:
+ * VPI == User VPI
+ * VCI == User VCI
+ * PT == (100 == Segment, 101 == End-to-End)
+ *
+ * OAM Cell Type & Function Type:
+ *
+ * OAM_TYPE = (0001 == Fault management)
+ * OAM_FUNC == (0000 == AIS, 0001 == RDI, 0100 == CC,
+ * 1000 == loopback)
+ *
+ * OAM_TYPE = (0010 == Performance management)
+ * OAM_FUNC == (0000 == Forward Monitoring(FM),
+ * 0001 == Backward monitoring(BR),
+ * 0010 == Monitoring & reporting (FM+BR))
+ *
+ * OAM_TYPE = (1000 == Activation/Deactivation)
+ * OAM_FUNC == (0000 == Performance Monitoring,
+ * 0001 == Continuity Check)
+ *
+ * OAM_TYPE = (1111 == Sytem Management)
+ * OAM_FUNC == (0001 == Security - non-real-time,
+ * 0010 == Security - real-time)
+ *
+ */
+#define ATM_OAM_FAULT_MGMT 0x1 /* OAM Fault mgmt. code */
+#define ATM_OAM_PRFRM_MGMT 0x2 /* performance mgmt code */
+#define ATM_OAM_ACT_DEACT 0x8 /* OAM Activation/Deactivation
+ code */
+#define ATM_OAM_SYSTEM_MGMT 0xF /* System Management code */
+
+#define ATM_OAM_AIS_FUNC 0x0 /* AIS function type */
+#define ATM_OAM_RDI_FUNC 0x1 /* RDI function type */
+#define ATM_OAM_CC_FUNC 0x4 /* OAM CC FM function code */
+#define ATM_OAM_LOOP_FUNC 0x8 /* Loopback function type */
+
+#define ATM_OAM_F5_SEGMENT 0x4 /* Segment function */
+#define ATM_OAM_F5_ENDTOEND 0x5 /* End-to-End function */
+#define ATM_OAM_F4_SEGMENT 0x3 /* Segment function */
+#define ATM_OAM_F4_ENDTOEND 0x4 /* End-to-End function */
+#define ATM_OAM_F4_PTI_ZERO 0x0 /* PTI=0 for F4 OAM */
+
+typedef struct atm_oam_hdr_t_ {
+ unsigned oam_gfc:4; /* GFC */
+ unsigned oam_vpi:8; /* VPI */
+ unsigned oam_vci_ms:4; /* VCI (Most Significant Bits) */
+
+ unsigned oam_vci_ls:12; /* VCI (Least Significant Bits) */
+ unsigned oam_pt:3; /* Payload Type */
+ unsigned oam_clp:1; /* Cell Loss Priority */
+ u8 data[0];
+} atm_oam_hdr_t;
+
+typedef struct atm_oam_type_func_t_ {
+ u8 oam_type:4;
+ u8 oam_func:4;
+ u8 data[0];
+} atm_oam_type_func_t;
+
+/*
+** IP Version 4 header
+*/
+
+/*
+ * version_hdr_len_words [7-4] IP Header Version
+ * [3-0] IP Header Length in 32-bit words
+ * tos Type of Service
+ * total_len_bytes Total IP datagram length in bytes
+ * (including IP header)
+ * identification Unique fragmentation identifier
+ * frag_flags_offset [15-13] Fragmentation flags
+ * [12-0] Fragmentation Offset
+ * ttl Time To Live
+ * protocol_id Protocol Identifier
+ * checksum 16-bit 1's complement IP Header checksum
+ * src_addr IP Source Address
+ * dest_addr IP Destination Address
+ */
+typedef struct ipv4_header {
+ u8 version_hdr_len_words;
+ u8 tos;
+ u16 total_len_bytes;
+ u16 identification;
+ u16 frag_flags_offset;
+ u8 ttl;
+ u8 protocol;
+ u16 checksum;
+ u32 src_addr;
+ u32 dest_addr;
+ u8 data[0];
+} ipv4_header;
+
+/*OPTIONS PACKET TYPE
+ * +-+-+-+-+-+-+-+-+
+ * |C| CL| OP |
+ * +-+-+-+-+-+-+-+-+
+ */
+typedef struct ipv4_options {
+ u8 copy :1 ;
+ u8 op_class :2 ;
+ u8 option :5 ;
+ u8 pad ;
+}ipv4_options;
+
+#define LOOSE_SOURCE_ROUTE 131
+#define STRICT_SOURCE_ROUTE 137
+#define IPV4_NO_OPTIONS_HDR_LEN (sizeof(ipv4_header))
+#define IPV4_VERSION 4
+#define IPV4_HEADER_LENGTH_WORDS 5
+#define IPV4_VERSION_HDR_LEN_FIELD ((u8) 0x45)
+#define IPV4_HEADER_LENGTH_WORDS 5
+#define IPV4_MIN_HEADER_LENGTH_BYTES 20
+#define IP_HDR_LEN sizeof(ipv4_header)
+#define IPV4_VERSION_VALUE_SHIFT 4
+
+#define IPV4_FRAG_OFFSET_MASK (0x1fff)
+#define IPV4_FRAG_MF_MASK (0x2000)
+#define IPV4_FRAG_MF_SHIFT (13)
+
+/* 0.0.0.0 */
+#define IP_BOOTP_SOURCE_ADDRESS 0
+/* 255.255.255.255 */
+#define IP_LIMITED_BROADCAST_ADDRESS 0xFFFFFFFF
+
+/*
+ * IPv4 header - version & length fields
+ */
+#define IP_VER_LEN 0x45
+#define IP_VER 0x4
+#define IP_MIN_LEN 0x5
+#define IP_VER_MASK 0xf0
+#define IP_LEN_MASK 0x0f
+
+/*
+ * IPv4 header - TOS field
+ */
+#define PS_IP_TOS_MASK 0xff
+#define IP_PRECEDENCE_SHIFT 5 /* shift value up to precedence bits */
+#define IP_DSCP_SHIFT 2 /* shift value up to dscp bits */
+
+#define IP_TOS_PRECEDENCE 0xe0 /* mask of precedence in tos byte */
+#define IP_TOS_NO_PRECEDENCE 0x1f
+#define IP_TOS_LOW_DELAY 8 /* values must be shifted 1 bit */
+#define IP_TOS_HIGH_TPUT 4 /* before using */
+#define IP_TOS_HIGH_RELY 2
+#define IP_TOS_LOW_COST 1
+#define IP_TOS_NORMAL 0
+#define IP_TOS_MASK 0x1e /* mask of tos in tos byte */
+#define IP_TOS_MBZ_MASK 0x01 /* mask for MZB bit in tos byte */
+#define IP_TOS_DSCP 0xfc /* mask for dscp in tos byte */
+#define IP_TOS_NO_DSCP 0x03
+
+#define IP_TOS_METRIC_TYPES 8
+#define IP_TOS_SHIFT 1
+
+#define IP_TOS_PRECEDENCE_MASK (IP_TOS_PRECEDENCE | IP_TOS_MASK)
+
+/*
+ * IP TOS Precedence values (High order 3 bits)
+ */
+#define TOS_PREC_NET_CONTROL 0xe0
+#define TOS_PREC_INET_CONTROL 0xc0
+#define TOS_PREC_CRIT_ECP 0xa0
+#define TOS_PREC_FLASH_OVER 0x80
+#define TOS_PREC_FLASH 0x60
+#define TOS_PREC_IMMEDIATE 0x40
+#define TOS_PREC_PRIORITY 0x20
+#define TOS_PREC_ROUTINE 0x00
+#define TOS_PREC_ILLEGAL 0xff /* invalid precedence value */
+
+#define TOS_PREC_NET_CONTROL_NUM 7
+#define TOS_PREC_INET_CONTROL_NUM 6
+#define TOS_PREC_CRIT_ECP_NUM 5
+#define TOS_PREC_FLASH_OVER_NUM 4
+#define TOS_PREC_FLASH_NUM 3
+#define TOS_PREC_IMMEDIATE_NUM 2
+#define TOS_PREC_PRIORITY_NUM 1
+#define TOS_PREC_ROUTINE_NUM 0
+
+
+
+/*
+ * IPv4 header - flags and fragment offset fields
+ */
+#define IP_FRAG_OFFSET_MASK 0x1fff
+
+
+#define IP_FRAG_MORE_MASK 0x2000
+#define IP_FRAG_DF_MASK 0x4000
+#define IP_FRAG_UNDEF_MASK 0x8000
+#define IP_FRAG_NO_DF_SET 0x0000
+
+/* bit definitions for fragment flags */
+#define IP_FRAG_MORE_BIT 13
+#define IP_FRAG_DF_BIT 14
+#define IP_FRAG_UNDEF_BIT 15
+
+/*
+ * IPv4 header - TTL field
+ */
+#define TTL_DEFAULT 255
+#define TTL_1 1
+#define TTL_2 2
+#define TTL_255 255
+
+
+/*
+ * IPv4 header - protocol field
+ *
+ * ICMP_PROT 1 ICMP
+ * IGMP_PROT 2 group management
+ * GGP_PROT 3 GGP
+ * IPINIP_PROT 4 IPv4 in IPv4 encapsulation
+ * TCP_PROT 6 TCP
+ * EGP_PROT 8 EGP
+ * IGRP_PROT 9 IGRP
+ * UDP_PROT 17 UDP
+ * HMP_PROT 20 HMP
+ * RDP_PROT 27 RDP
+ * IPV6_INIP_PROT 41 IPV6 in IPv4 encapsulation
+ * RSVP_PROT 46 RSVP
+ * GRE_PROT 47 GRE
+ * ESP_PROT 50 ESP
+ * AHP_PROT 51 AHP
+ * SDNS0_PROT 53 SNDS
+ * NHRP_PROT 54 NHRP
+ * SDNS1_PROT 55 SDNS1
+ * HELLO_PROT 63 HELLO
+ * ND_PROT 77 ND
+ * EONIP_PROT 80 CLNS over IP
+ * VINES_PROT 83 Banyan Vines
+ * NEWIGRP_PROT 88 IGRP
+ * OSPF_PROT 89 OSPF
+ * FST_RSRB_PROT 90 RSRB
+ * FST_DLSW_PROT 91 DLSW
+ * NOSIP_PROT 94 KA9Q/NOS compatible IP over IP
+ * PIM_PROT 103 PIMv2
+ * PCP_PROT 108 PCP
+ * PGM_PROT 113 PGM
+ * MAX_PROT 113 maximum protocol number in the above list,
+ * used in creating case registry
+ */
+#define ICMP_PROT 1
+#define IGMP_PROT 2
+#define GGP_PROT 3
+#define IPINIP_PROT 4
+#define TCP_PROT 6
+#define EGP_PROT 8
+#define IGRP_PROT 9
+#define UDP_PROT 17
+#define HMP_PROT 20
+#define RDP_PROT 27
+#define IPV6_INIP_PROT 41
+#define RSVP_PROT 46
+#define GRE_PROT 47
+#define ESP_PROT 50
+#define AHP_PROT 51
+#define SDNS0_PROT 53
+#define NHRP_PROT 54
+#define SDNS1_PROT 55
+#define HELLO_PROT 63
+#define ND_PROT 77
+#define EONIP_PROT 80
+#define VINES_PROT 83
+#define NEWIGRP_PROT 88
+#define OSPF_PROT 89
+#define FST_RSRB_PROT 90
+#define FST_DLSW_PROT 91
+#define NOSIP_PROT 94
+#define PIM_PROT 103
+#define PCP_PROT 108
+#define PGM_PROT 113
+#define MAX_PROT 113
+
+/*Well Known Application ports */
+#define FTP_PORT 21 /* For control connection */
+/*
+ * TCP header
+ */
+typedef struct tcp_hdr_type {
+ u16 src_port;
+ u16 dest_port;
+ u32 seq_num;
+ u32 ack_num;
+ u8 hdr_len;
+ u8 flags;
+ u16 window_size;
+ u16 tcp_checksum;
+ u16 urgent_pointer;
+ u8 option_data[0];
+} tcp_hdr_type;
+
+#define TCP_FLAG_FIN 0x01
+#define TCP_FLAG_SYN 0x02
+#define TCP_FLAG_RST 0x04
+#define TCP_FLAG_PUSH 0x08
+#define TCP_FLAG_ACK 0x10
+#define TCP_FLAG_URG 0x20
+#define TCP_FLAG_ECE 0x40
+#define TCP_FLAG_CWR 0x80
+
+/*
+ * TCP Option
+ */
+typedef struct tcp_option_s {
+ u8 kind;
+ u8 length;
+ u8 data[0];
+} tcp_option_t;
+
+#define TCP_END_OPTIONS_LIST 0
+#define TCP_OPTION_NOP 1
+#define TCP_OPTION_MSS 2
+#define TCP_OPTION_WINDOW_SCALE 3
+#define TCP_OPTION_SACK_PERMITTED 4
+#define TCP_OPTION_SACK_DATA 5
+#define TCP_OPTION_ECHO 6
+#define TCP_OPTION_ECHO_REPLY 7
+#define TCP_OPTION_TSOPT 8
+/*
+ 9 2 Partial Order Connection Permitted. RFC 1693
+ 10 3 Partial Order Service Profile. RFC 1693
+ 11 6 CC, Connection Count. RFC 1644
+ 12 6 CC.NEW RFC 1644
+ 13 6 CC.ECHO RFC 1644
+ 14 3 TCP Alternate Checksum Request. RFC 1146
+ 15 Variable. TCP Alternate Checksum Data. RFC 1146
+ 16 Skeeter.
+ 17 Bubba.
+ 18 3 Trailer Checksum Option.
+*/
+#define TCP_OPTION_MD5_SIGNATURE 19
+/*
+ 20 SCPS Capabilities.
+ 21 Selective Negative Acknowledgements.
+ 22 Record Boundaries.
+ 23 Corruption experienced.
+ 24 SNAP.
+ 25
+ 26 TCP Compression Filter.
+*/
+#define TCP_OPTION_QUICK_START 27
+
+#define TCP_OPTION_NUM_MAX 27
+
+#ifdef TARGET_CISCO
+#define tcp_printf(format_str, params...) //printf(format_str, ## params)
+#else
+#define tcp_printf(format_str, params...) printf(format_str, ## params)
+#endif
+
+typedef struct udp_hdr_type {
+ u16 src_port;
+ u16 dest_port;
+ u16 udp_length;
+ u16 udp_checksum;
+} udp_hdr_type_t;
+
+#define TYPE_IPV6 0x86dd
+#define TYPE_IPV4 0x0800
+
+/*
+ * version_trafficclass_flowlabel [31:28] IP Header Version,
+ [27:20] traffic_class,
+ [19:0] flow_label[20]
+ * payload_length Length of packet in bytes excluding header size(s)
+ * next_header Identifies the type of header following the IPv6 header
+ * hop_limit Decremented by 1 by each forwarding node, packet discarded when zero
+ * src_addr IPv6 Source Address
+ * dst_addr IPv6 Destination Address
+ */
+typedef struct ipv6_header {
+ u32 version_trafficclass_flowlabel;
+ u16 payload_length;
+ u8 next_header;
+ u8 hop_limit;
+ u32 src_addr[4];
+ u32 dst_addr[4];
+ u8 data[0];
+} ipv6_header_t;
+
+#define IPV6_HDR_LEN 40
+#define IPV6_HDR_LEN_WORDS 10
+#define IPV6_FLABLE_MASK 0x000FFFFF
+#define IPV6_MIN_PATH_MTU (1280)
+
+#define IPV6_GET_IP_VER(ih) ((clib_net_to_host_u32((ih) \
+ ->version_trafficclass_flowlabel) >> 28) & 0xf)
+#define IPV6_GET_TOS(ih) ((clib_net_to_host_u32((ih) \
+ ->version_trafficclass_flowlabel) >> 20) & 0xff)
+#define IPV6_GET_FLOW_LABEL(ih) ((clib_net_to_host_u32((ih) \
+ ->version_trafficclass_flowlabel)) & 0xfffff)
+
+#define IPV6_VERSION_VALUE (6)
+#define IPV6_VERSION_VALUE_SHIFT (28)
+#define IPV6_TRAFFIC_CLASS_VALUE_SHIFT (20)
+#define IPV6_TRAFFIC_CLASS_VALUE_MASK (0xff)
+
+#define IPV6_PROTO_HOPOPTS 0
+#define IPV6_PROTO_TCP 6
+#define IPV6_PROTO_UDP 17
+#define IPV6_PROTO_IPV6 41
+#define IPV6_PROTO_ROUTING 43
+#define IPV6_PROTO_FRAGMENT 44
+#define IPV6_PROTO_DESTOPTS 60
+#define IPV6_PROTO_ESP 50
+#define IPV6_PROTO_AH 51
+#define IPV6_PROTO_ICMPV6 58
+#define IPV6_PROTO_NONE 59
+
+/* standard v6 extension header are 2 tytes
+ * one byte next header
+ * one byte header length
+ */
+
+typedef struct ipv6_frag_header {
+ u8 next_header;
+ u8 reserved;
+ u16 frag_offset_res_m;
+ u32 identification;
+} ipv6_frag_header_t;
+
+#define IPV6_FRAG_HDR_LEN (sizeof(ipv6_frag_header_t))
+
+#define IPV6_FRAG_OFFSET_MASK (0xFFF8)
+#define IPV6_FRAG_OFFSET_SHIFT (3)
+#define IPV6_FRAG_MORE_FRAG_MASK (0x0001)
+
+#define IPV6_TOS_SHIFT 20
+#define IPV6_TOS_SHIFT_HLF_WD 4
+#define IPV6_NEXT_HDR_SHIFT 8
+
+typedef struct ipv6_routing_header {
+ u8 next_header;
+ u8 hdr_ext_len;
+ u8 routing_type;
+ u8 segments_left;
+ u8 data[0];
+} ipv6_routing_header_t;
+#define IPV6_ROUTING_HDR_LEN (sizeof(ipv6_routing_header_t))
+
+typedef struct ipv6_hop_header {
+ u8 next_header;
+ u8 hdr_ext_len;
+ u8 options[0];
+} ipv6_hop_header_t;
+#define IPV6_HOP_LEN (sizeof(ipv6_hop_header_t))
+
+typedef struct ipv6_dest_opt_header {
+ u8 next_header;
+ u8 hdr_ext_len;
+ u8 options[0];
+} ipv6_dest_opt_header_t;
+#define IPV6_DESTOPT_LEN (sizeof(ipv6_dest_opt_header_t))
+
+
+/* Definition of ICMP header */
+typedef struct icmp_v4_s {
+ u8 type;
+ u8 code;
+ u16 checksum;
+ u16 identifier;
+ u16 sequence;
+} icmp_v4_t;
+
+#define ICMPV4_HDR_SIZE (sizeof(icmp_v4_t))
+#define ICMPV4_ECHOREPLY 0 /* Type: echo reply */
+#define ICMPV4_ECHO 8 /* Type: echo request */
+
+#define ICMPV4_UNREACHABLE 3 /* Type: destination unreachable */
+#define ICMPV4_UNRNET 0 /* Code: Net unreachable */
+#define ICMPV4_UNRHOST 1 /* Code: host unreachable */
+#define ICMPV4_UNRPROT 2 /* Code: protocol unreachable */
+#define ICMPV4_UNRPORT 3 /* Code: port unreachable */
+#define ICMPV4_UNRFRAG 4 /* Code: frag req DF set */
+#define ICMPV4_UNRADMIN 13 /* Code: administratively prohib. */
+#define ICMPV4_SOURCEROUTE_FAILED 5 /* Code: administratively prohib. */
+
+#define ICMPV4_SRC_ROUTE_FAIL 5 /* Code: Source Route Failed */
+#define ICMPV4_NO_ROUTE_DESTN_8 8 /* Code: No Route to Destn */
+#define ICMPV4_NO_ROUTE_DESTN_11 11 /* Code: No Route to Destn */
+#define ICMPV4_NO_ROUTE_DESTN_12 12 /* Code: No Route to Destn */
+
+#define ICMPV4_ADMIN_PROH_9 9 /* Code: Administratively Prohibited */
+#define ICMPV4_ADMIN_PROH_10 10 /* Code: Administratively Prohibited */
+#define ICMPV4_PREC_CUTOFF 15 /* Code: Precedence Cutoff */
+
+
+#define ICMPV4_TIMEEXCEEDED 11 /* Type: time exceeded */
+#define ICMPV4_TIMTTL 0 /* Code: ttl in transit code */
+
+#define ICMPV4_PARAMETER_PROBLEM 12 /* Type: Parameter Problem */
+#define ICMPV4_PARAM_ERROR 0 /* Code: Pointer to Error */
+#define ICMPV4_MISSING_OPTION_CODE 1 /* Code: Mission option */
+#define ICMPV4_PARAM_BAD_LEN 2 /* Code: Bad Length */
+
+#define ICMPV4_CONVERSION_ERROR 31
+#define ICMPV4_SOURCE_QUENCH 4
+#define ICMPV4_REDIRECT 5
+#define ICMPV4_TIMESTAMP 13
+#define ICMPV4_TIMESTAMP_REPLY 14
+#define ICMPV4_INFO_REQUEST 15
+#define ICMPV4_INFO_REPLY 16
+#define ICMPV4_ADDR_MASK_REQUEST 17
+#define ICMPV4_ADDR_MASK_REPLY 18
+
+typedef struct icmp_v6_s {
+
+ u8 type;
+ u8 code;
+ u16 checksum;
+
+ u32 data[0];
+} icmp_v6_t;
+
+typedef struct pseudo_v6_header {
+ u32 src_addr[4];
+ u32 dst_addr[4];
+ u16 payload_length;
+ u16 next_header;
+} pseudo_v6_header_t;
+
+
+#define ICMPV6_ECHO 128
+#define ICMPV6_ECHO_REPLY 129
+#define ICMPV6_PKT_TOO_BIG 2
+#define ICMPV6_TIMEEXCEEDED 3
+#define ICMPV6_TIMTTL 0
+#define ICMPV6_PARAMETER_PROBLEM 4
+#define ICMPV6_UNREACHABLE 1
+#define ICMPV6_NEIGHBOR_SOLICITAION 135
+#define ICMPV6_NEIGHBOR_ADVT 136
+/* ICMP V6 generated packet size */
+#define ICMPV6_ERR_SIZE 48
+#define ICMPV6_HDR_SIZE (sizeof(icmp_v6_t) +sizeof(u32))
+
+/* Code for Type 1 */
+#define ICMPV6_UNRDESTN 0 /* Code: No route to Desnt */
+#define ICMPV6_ADM_PROH 1 /* Code: Adminitrative Prohibited */
+#define ICMPV6_SRC_ADD_SCOPE 2 /* Code: Source Address beyond scope */
+#define ICMPV6_UNRHOST 3 /* Code: Host Unreachable */
+#define ICMPV6_UNRPORT 4 /* Code: Port UnReachable */
+
+#define ICMPV6_UNRPROT 1 /* type 4 - Code: No route to Desnt */
+
+#define ICMPV6_PTB_CODE 0 /* Code: For PTB */
+#define ICMPV6_PARAM_CODE 0 /* Code: For Parameter Problem */
+#define ICMPV6_UNREC_HDR 1 /* Code: For Parameter Problem */
+#define ICMPV6_SRC_ADD_FAIL 5 /* Code: For Source address failed */
+#define ICMP_ECHO_REPLY_CODE 0
+#define DEFAULT_TTL_HOPLIMIT_VAL 64
+
+typedef struct pptp_hdr_type {
+
+ u16 flags_ver;
+ u16 proto_type; /* PPP = 0x880B */
+ u16 payload_len;
+ u16 call_id;
+ u32 seq_no;
+ u32 ack_no;
+
+} pptp_hdr_type_t;
+
+/*
+ * NAME
+ *
+ * tcp_findoption
+ *
+ * SYNOPSIS
+ * u8* tcp_findoption (tcp_hdr_t *tcp, uchar option)
+ *
+ * PARAMETERS
+ * tcp - pointer to TCP header
+ * option - TCP option
+ *
+ * RETURNS
+ * This function returns a pointer to the option found,
+ * otherwise returns null.
+ *
+ *
+ * DESCRIPTION
+ * This function searches the option and returns a pointer to the
+ * matched option field containing option kind/length/data sub-fields.
+ *
+ */
+static inline u8* tcp_findoption (tcp_hdr_type *tcp, u8 option)
+{
+ u8*data;
+ u8 len, optlen;
+
+ data = tcp->option_data;
+ len = ((tcp->hdr_len>>4) << 2) - sizeof(tcp_hdr_type);
+
+#define MAXTCPOPTIONBYTES 40
+#define MINTCPOPTIONLENGTH 2
+
+ while (len) {
+ if (PREDICT_TRUE(option == data[0])) {
+ return (data);
+ } else {
+ switch (data[0]) {
+ case TCP_END_OPTIONS_LIST:
+ return (NULL);
+ case TCP_OPTION_NOP:
+ len -= 1;
+ data += 1;
+ break;
+ default:
+ /* Sanity check the length. */
+ optlen = data[1];
+ if ((optlen < MINTCPOPTIONLENGTH) ||
+ (optlen > MAXTCPOPTIONBYTES) ||
+ (optlen > len)) {
+ return (NULL);
+ }
+ len -= optlen;
+ data += optlen;
+ break;
+ }
+ }
+ }
+
+ return (NULL);
+}
+
+
+static inline u32 crc_calc (ipv4_header *ipv4)
+{
+ u16 *ipv4_word_ptr = (u16 *) ipv4;
+ u32 crc32;
+ /*
+ * Add all fields except the checksum field
+ */
+ crc32 = (u32)clib_net_to_host_u16(*ipv4_word_ptr) +
+ (u32)clib_net_to_host_u16(*(ipv4_word_ptr + 1)) +
+ (u32)clib_net_to_host_u16(*(ipv4_word_ptr + 2)) +
+ (u32)clib_net_to_host_u16(*(ipv4_word_ptr + 3)) +
+ (u32)clib_net_to_host_u16(*(ipv4_word_ptr + 4)) +
+ (u32)clib_net_to_host_u16(*(ipv4_word_ptr + 6)) +
+ (u32)clib_net_to_host_u16(*(ipv4_word_ptr + 7)) +
+ (u32)clib_net_to_host_u16(*(ipv4_word_ptr + 8)) +
+ (u32)clib_net_to_host_u16(*(ipv4_word_ptr + 9));
+
+ /* Add in the carry of the original sum */
+ crc32 = (crc32 & 0xFFFF) + (crc32 >> 16);
+ /* Add in the carry of the final sum */
+ crc32 = (crc32 & 0xFFFF) + (crc32 >> 16);
+
+ return crc32;
+}
+
+#endif /* __TCP_HEADER_DEFINITIONS_H__ */