diff options
Diffstat (limited to 'plugins/vcgn-plugin/vcgn/tcp_header_definitions.h')
| -rw-r--r-- | plugins/vcgn-plugin/vcgn/tcp_header_definitions.h | 1582 |
1 files changed, 0 insertions, 1582 deletions
diff --git a/plugins/vcgn-plugin/vcgn/tcp_header_definitions.h b/plugins/vcgn-plugin/vcgn/tcp_header_definitions.h deleted file mode 100644 index 02920bcc..00000000 --- a/plugins/vcgn-plugin/vcgn/tcp_header_definitions.h +++ /dev/null @@ -1,1582 +0,0 @@ -/* - *----------------------------------------------------------------------------- - * - * 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__ */ |