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/*-
* SPDX-License-Identifier: BSD-3-Clause AND BSD-2-Clause
*
* Copyright © 2013-2015 Freescale Semiconductor, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Original source file obtained from:
* drivers/net/ethernet/freescale/dpaa2/dpkg.h
*
* Commit: 4c86114194e644b6da9107d75910635c9e87179e
* Repository: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
*/
/*
* Copyright © 2021-2022 Dmitry Salychev
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _DPAA2_NI_DPKG_H
#define _DPAA2_NI_DPKG_H
#define BIT(x) (1ul << (x))
/**
* DPKG_NUM_OF_MASKS - Number of masks per key extraction
*/
#define DPKG_NUM_OF_MASKS 4
/**
* DPKG_MAX_NUM_OF_EXTRACTS - Number of extractions per key profile
*/
#define DPKG_MAX_NUM_OF_EXTRACTS 10
/**
* enum dpkg_extract_from_hdr_type - Selecting extraction by header types
* @DPKG_FROM_HDR: Extract selected bytes from header, by offset
* @DPKG_FROM_FIELD: Extract selected bytes from header, by offset from field
* @DPKG_FULL_FIELD: Extract a full field
*/
enum dpkg_extract_from_hdr_type {
DPKG_FROM_HDR = 0,
DPKG_FROM_FIELD = 1,
DPKG_FULL_FIELD = 2
};
/**
* enum dpkg_extract_type - Enumeration for selecting extraction type
* @DPKG_EXTRACT_FROM_HDR: Extract from the header
* @DPKG_EXTRACT_FROM_DATA: Extract from data not in specific header
* @DPKG_EXTRACT_FROM_PARSE: Extract from parser-result;
* e.g. can be used to extract header existence;
* please refer to 'Parse Result definition' section in the parser BG
*/
enum dpkg_extract_type {
DPKG_EXTRACT_FROM_HDR = 0,
DPKG_EXTRACT_FROM_DATA = 1,
DPKG_EXTRACT_FROM_PARSE = 3
};
/**
* struct dpkg_mask - A structure for defining a single extraction mask
* @mask: Byte mask for the extracted content
* @offset: Offset within the extracted content
*/
struct dpkg_mask {
uint8_t mask;
uint8_t offset;
};
/* Protocol fields */
/* Ethernet fields */
#define NH_FLD_ETH_DA BIT(0)
#define NH_FLD_ETH_SA BIT(1)
#define NH_FLD_ETH_LENGTH BIT(2)
#define NH_FLD_ETH_TYPE BIT(3)
#define NH_FLD_ETH_FINAL_CKSUM BIT(4)
#define NH_FLD_ETH_PADDING BIT(5)
#define NH_FLD_ETH_ALL_FIELDS (BIT(6) - 1)
/* VLAN fields */
#define NH_FLD_VLAN_VPRI BIT(0)
#define NH_FLD_VLAN_CFI BIT(1)
#define NH_FLD_VLAN_VID BIT(2)
#define NH_FLD_VLAN_LENGTH BIT(3)
#define NH_FLD_VLAN_TYPE BIT(4)
#define NH_FLD_VLAN_ALL_FIELDS (BIT(5) - 1)
#define NH_FLD_VLAN_TCI (NH_FLD_VLAN_VPRI | \
NH_FLD_VLAN_CFI | \
NH_FLD_VLAN_VID)
/* IP (generic) fields */
#define NH_FLD_IP_VER BIT(0)
#define NH_FLD_IP_DSCP BIT(2)
#define NH_FLD_IP_ECN BIT(3)
#define NH_FLD_IP_PROTO BIT(4)
#define NH_FLD_IP_SRC BIT(5)
#define NH_FLD_IP_DST BIT(6)
#define NH_FLD_IP_TOS_TC BIT(7)
#define NH_FLD_IP_ID BIT(8)
#define NH_FLD_IP_ALL_FIELDS (BIT(9) - 1)
/* IPV4 fields */
#define NH_FLD_IPV4_VER BIT(0)
#define NH_FLD_IPV4_HDR_LEN BIT(1)
#define NH_FLD_IPV4_TOS BIT(2)
#define NH_FLD_IPV4_TOTAL_LEN BIT(3)
#define NH_FLD_IPV4_ID BIT(4)
#define NH_FLD_IPV4_FLAG_D BIT(5)
#define NH_FLD_IPV4_FLAG_M BIT(6)
#define NH_FLD_IPV4_OFFSET BIT(7)
#define NH_FLD_IPV4_TTL BIT(8)
#define NH_FLD_IPV4_PROTO BIT(9)
#define NH_FLD_IPV4_CKSUM BIT(10)
#define NH_FLD_IPV4_SRC_IP BIT(11)
#define NH_FLD_IPV4_DST_IP BIT(12)
#define NH_FLD_IPV4_OPTS BIT(13)
#define NH_FLD_IPV4_OPTS_COUNT BIT(14)
#define NH_FLD_IPV4_ALL_FIELDS (BIT(15) - 1)
/* IPV6 fields */
#define NH_FLD_IPV6_VER BIT(0)
#define NH_FLD_IPV6_TC BIT(1)
#define NH_FLD_IPV6_SRC_IP BIT(2)
#define NH_FLD_IPV6_DST_IP BIT(3)
#define NH_FLD_IPV6_NEXT_HDR BIT(4)
#define NH_FLD_IPV6_FL BIT(5)
#define NH_FLD_IPV6_HOP_LIMIT BIT(6)
#define NH_FLD_IPV6_ID BIT(7)
#define NH_FLD_IPV6_ALL_FIELDS (BIT(8) - 1)
/* ICMP fields */
#define NH_FLD_ICMP_TYPE BIT(0)
#define NH_FLD_ICMP_CODE BIT(1)
#define NH_FLD_ICMP_CKSUM BIT(2)
#define NH_FLD_ICMP_ID BIT(3)
#define NH_FLD_ICMP_SQ_NUM BIT(4)
#define NH_FLD_ICMP_ALL_FIELDS (BIT(5) - 1)
/* IGMP fields */
#define NH_FLD_IGMP_VERSION BIT(0)
#define NH_FLD_IGMP_TYPE BIT(1)
#define NH_FLD_IGMP_CKSUM BIT(2)
#define NH_FLD_IGMP_DATA BIT(3)
#define NH_FLD_IGMP_ALL_FIELDS (BIT(4) - 1)
/* TCP fields */
#define NH_FLD_TCP_PORT_SRC BIT(0)
#define NH_FLD_TCP_PORT_DST BIT(1)
#define NH_FLD_TCP_SEQ BIT(2)
#define NH_FLD_TCP_ACK BIT(3)
#define NH_FLD_TCP_OFFSET BIT(4)
#define NH_FLD_TCP_FLAGS BIT(5)
#define NH_FLD_TCP_WINDOW BIT(6)
#define NH_FLD_TCP_CKSUM BIT(7)
#define NH_FLD_TCP_URGPTR BIT(8)
#define NH_FLD_TCP_OPTS BIT(9)
#define NH_FLD_TCP_OPTS_COUNT BIT(10)
#define NH_FLD_TCP_ALL_FIELDS (BIT(11) - 1)
/* UDP fields */
#define NH_FLD_UDP_PORT_SRC BIT(0)
#define NH_FLD_UDP_PORT_DST BIT(1)
#define NH_FLD_UDP_LEN BIT(2)
#define NH_FLD_UDP_CKSUM BIT(3)
#define NH_FLD_UDP_ALL_FIELDS (BIT(4) - 1)
/* UDP-lite fields */
#define NH_FLD_UDP_LITE_PORT_SRC BIT(0)
#define NH_FLD_UDP_LITE_PORT_DST BIT(1)
#define NH_FLD_UDP_LITE_ALL_FIELDS (BIT(2) - 1)
/* UDP-encap-ESP fields */
#define NH_FLD_UDP_ENC_ESP_PORT_SRC BIT(0)
#define NH_FLD_UDP_ENC_ESP_PORT_DST BIT(1)
#define NH_FLD_UDP_ENC_ESP_LEN BIT(2)
#define NH_FLD_UDP_ENC_ESP_CKSUM BIT(3)
#define NH_FLD_UDP_ENC_ESP_SPI BIT(4)
#define NH_FLD_UDP_ENC_ESP_SEQUENCE_NUM BIT(5)
#define NH_FLD_UDP_ENC_ESP_ALL_FIELDS (BIT(6) - 1)
/* SCTP fields */
#define NH_FLD_SCTP_PORT_SRC BIT(0)
#define NH_FLD_SCTP_PORT_DST BIT(1)
#define NH_FLD_SCTP_VER_TAG BIT(2)
#define NH_FLD_SCTP_CKSUM BIT(3)
#define NH_FLD_SCTP_ALL_FIELDS (BIT(4) - 1)
/* DCCP fields */
#define NH_FLD_DCCP_PORT_SRC BIT(0)
#define NH_FLD_DCCP_PORT_DST BIT(1)
#define NH_FLD_DCCP_ALL_FIELDS (BIT(2) - 1)
/* IPHC fields */
#define NH_FLD_IPHC_CID BIT(0)
#define NH_FLD_IPHC_CID_TYPE BIT(1)
#define NH_FLD_IPHC_HCINDEX BIT(2)
#define NH_FLD_IPHC_GEN BIT(3)
#define NH_FLD_IPHC_D_BIT BIT(4)
#define NH_FLD_IPHC_ALL_FIELDS (BIT(5) - 1)
/* SCTP fields */
#define NH_FLD_SCTP_CHUNK_DATA_TYPE BIT(0)
#define NH_FLD_SCTP_CHUNK_DATA_FLAGS BIT(1)
#define NH_FLD_SCTP_CHUNK_DATA_LENGTH BIT(2)
#define NH_FLD_SCTP_CHUNK_DATA_TSN BIT(3)
#define NH_FLD_SCTP_CHUNK_DATA_STREAM_ID BIT(4)
#define NH_FLD_SCTP_CHUNK_DATA_STREAM_SQN BIT(5)
#define NH_FLD_SCTP_CHUNK_DATA_PAYLOAD_PID BIT(6)
#define NH_FLD_SCTP_CHUNK_DATA_UNORDERED BIT(7)
#define NH_FLD_SCTP_CHUNK_DATA_BEGGINING BIT(8)
#define NH_FLD_SCTP_CHUNK_DATA_END BIT(9)
#define NH_FLD_SCTP_CHUNK_DATA_ALL_FIELDS (BIT(10) - 1)
/* L2TPV2 fields */
#define NH_FLD_L2TPV2_TYPE_BIT BIT(0)
#define NH_FLD_L2TPV2_LENGTH_BIT BIT(1)
#define NH_FLD_L2TPV2_SEQUENCE_BIT BIT(2)
#define NH_FLD_L2TPV2_OFFSET_BIT BIT(3)
#define NH_FLD_L2TPV2_PRIORITY_BIT BIT(4)
#define NH_FLD_L2TPV2_VERSION BIT(5)
#define NH_FLD_L2TPV2_LEN BIT(6)
#define NH_FLD_L2TPV2_TUNNEL_ID BIT(7)
#define NH_FLD_L2TPV2_SESSION_ID BIT(8)
#define NH_FLD_L2TPV2_NS BIT(9)
#define NH_FLD_L2TPV2_NR BIT(10)
#define NH_FLD_L2TPV2_OFFSET_SIZE BIT(11)
#define NH_FLD_L2TPV2_FIRST_BYTE BIT(12)
#define NH_FLD_L2TPV2_ALL_FIELDS (BIT(13) - 1)
/* L2TPV3 fields */
#define NH_FLD_L2TPV3_CTRL_TYPE_BIT BIT(0)
#define NH_FLD_L2TPV3_CTRL_LENGTH_BIT BIT(1)
#define NH_FLD_L2TPV3_CTRL_SEQUENCE_BIT BIT(2)
#define NH_FLD_L2TPV3_CTRL_VERSION BIT(3)
#define NH_FLD_L2TPV3_CTRL_LENGTH BIT(4)
#define NH_FLD_L2TPV3_CTRL_CONTROL BIT(5)
#define NH_FLD_L2TPV3_CTRL_SENT BIT(6)
#define NH_FLD_L2TPV3_CTRL_RECV BIT(7)
#define NH_FLD_L2TPV3_CTRL_FIRST_BYTE BIT(8)
#define NH_FLD_L2TPV3_CTRL_ALL_FIELDS (BIT(9) - 1)
#define NH_FLD_L2TPV3_SESS_TYPE_BIT BIT(0)
#define NH_FLD_L2TPV3_SESS_VERSION BIT(1)
#define NH_FLD_L2TPV3_SESS_ID BIT(2)
#define NH_FLD_L2TPV3_SESS_COOKIE BIT(3)
#define NH_FLD_L2TPV3_SESS_ALL_FIELDS (BIT(4) - 1)
/* PPP fields */
#define NH_FLD_PPP_PID BIT(0)
#define NH_FLD_PPP_COMPRESSED BIT(1)
#define NH_FLD_PPP_ALL_FIELDS (BIT(2) - 1)
/* PPPoE fields */
#define NH_FLD_PPPOE_VER BIT(0)
#define NH_FLD_PPPOE_TYPE BIT(1)
#define NH_FLD_PPPOE_CODE BIT(2)
#define NH_FLD_PPPOE_SID BIT(3)
#define NH_FLD_PPPOE_LEN BIT(4)
#define NH_FLD_PPPOE_SESSION BIT(5)
#define NH_FLD_PPPOE_PID BIT(6)
#define NH_FLD_PPPOE_ALL_FIELDS (BIT(7) - 1)
/* PPP-Mux fields */
#define NH_FLD_PPPMUX_PID BIT(0)
#define NH_FLD_PPPMUX_CKSUM BIT(1)
#define NH_FLD_PPPMUX_COMPRESSED BIT(2)
#define NH_FLD_PPPMUX_ALL_FIELDS (BIT(3) - 1)
/* PPP-Mux sub-frame fields */
#define NH_FLD_PPPMUX_SUBFRM_PFF BIT(0)
#define NH_FLD_PPPMUX_SUBFRM_LXT BIT(1)
#define NH_FLD_PPPMUX_SUBFRM_LEN BIT(2)
#define NH_FLD_PPPMUX_SUBFRM_PID BIT(3)
#define NH_FLD_PPPMUX_SUBFRM_USE_PID BIT(4)
#define NH_FLD_PPPMUX_SUBFRM_ALL_FIELDS (BIT(5) - 1)
/* LLC fields */
#define NH_FLD_LLC_DSAP BIT(0)
#define NH_FLD_LLC_SSAP BIT(1)
#define NH_FLD_LLC_CTRL BIT(2)
#define NH_FLD_LLC_ALL_FIELDS (BIT(3) - 1)
/* NLPID fields */
#define NH_FLD_NLPID_NLPID BIT(0)
#define NH_FLD_NLPID_ALL_FIELDS (BIT(1) - 1)
/* SNAP fields */
#define NH_FLD_SNAP_OUI BIT(0)
#define NH_FLD_SNAP_PID BIT(1)
#define NH_FLD_SNAP_ALL_FIELDS (BIT(2) - 1)
/* LLC SNAP fields */
#define NH_FLD_LLC_SNAP_TYPE BIT(0)
#define NH_FLD_LLC_SNAP_ALL_FIELDS (BIT(1) - 1)
/* ARP fields */
#define NH_FLD_ARP_HTYPE BIT(0)
#define NH_FLD_ARP_PTYPE BIT(1)
#define NH_FLD_ARP_HLEN BIT(2)
#define NH_FLD_ARP_PLEN BIT(3)
#define NH_FLD_ARP_OPER BIT(4)
#define NH_FLD_ARP_SHA BIT(5)
#define NH_FLD_ARP_SPA BIT(6)
#define NH_FLD_ARP_THA BIT(7)
#define NH_FLD_ARP_TPA BIT(8)
#define NH_FLD_ARP_ALL_FIELDS (BIT(9) - 1)
/* RFC2684 fields */
#define NH_FLD_RFC2684_LLC BIT(0)
#define NH_FLD_RFC2684_NLPID BIT(1)
#define NH_FLD_RFC2684_OUI BIT(2)
#define NH_FLD_RFC2684_PID BIT(3)
#define NH_FLD_RFC2684_VPN_OUI BIT(4)
#define NH_FLD_RFC2684_VPN_IDX BIT(5)
#define NH_FLD_RFC2684_ALL_FIELDS (BIT(6) - 1)
/* User defined fields */
#define NH_FLD_USER_DEFINED_SRCPORT BIT(0)
#define NH_FLD_USER_DEFINED_PCDID BIT(1)
#define NH_FLD_USER_DEFINED_ALL_FIELDS (BIT(2) - 1)
/* Payload fields */
#define NH_FLD_PAYLOAD_BUFFER BIT(0)
#define NH_FLD_PAYLOAD_SIZE BIT(1)
#define NH_FLD_MAX_FRM_SIZE BIT(2)
#define NH_FLD_MIN_FRM_SIZE BIT(3)
#define NH_FLD_PAYLOAD_TYPE BIT(4)
#define NH_FLD_FRAME_SIZE BIT(5)
#define NH_FLD_PAYLOAD_ALL_FIELDS (BIT(6) - 1)
/* GRE fields */
#define NH_FLD_GRE_TYPE BIT(0)
#define NH_FLD_GRE_ALL_FIELDS (BIT(1) - 1)
/* MINENCAP fields */
#define NH_FLD_MINENCAP_SRC_IP BIT(0)
#define NH_FLD_MINENCAP_DST_IP BIT(1)
#define NH_FLD_MINENCAP_TYPE BIT(2)
#define NH_FLD_MINENCAP_ALL_FIELDS (BIT(3) - 1)
/* IPSEC AH fields */
#define NH_FLD_IPSEC_AH_SPI BIT(0)
#define NH_FLD_IPSEC_AH_NH BIT(1)
#define NH_FLD_IPSEC_AH_ALL_FIELDS (BIT(2) - 1)
/* IPSEC ESP fields */
#define NH_FLD_IPSEC_ESP_SPI BIT(0)
#define NH_FLD_IPSEC_ESP_SEQUENCE_NUM BIT(1)
#define NH_FLD_IPSEC_ESP_ALL_FIELDS (BIT(2) - 1)
/* MPLS fields */
#define NH_FLD_MPLS_LABEL_STACK BIT(0)
#define NH_FLD_MPLS_LABEL_STACK_ALL_FIELDS (BIT(1) - 1)
/* MACSEC fields */
#define NH_FLD_MACSEC_SECTAG BIT(0)
#define NH_FLD_MACSEC_ALL_FIELDS (BIT(1) - 1)
/* GTP fields */
#define NH_FLD_GTP_TEID BIT(0)
/* Supported protocols */
enum net_prot {
NET_PROT_NONE = 0,
NET_PROT_PAYLOAD,
NET_PROT_ETH,
NET_PROT_VLAN,
NET_PROT_IPV4,
NET_PROT_IPV6,
NET_PROT_IP,
NET_PROT_TCP,
NET_PROT_UDP,
NET_PROT_UDP_LITE,
NET_PROT_IPHC,
NET_PROT_SCTP,
NET_PROT_SCTP_CHUNK_DATA,
NET_PROT_PPPOE,
NET_PROT_PPP,
NET_PROT_PPPMUX,
NET_PROT_PPPMUX_SUBFRM,
NET_PROT_L2TPV2,
NET_PROT_L2TPV3_CTRL,
NET_PROT_L2TPV3_SESS,
NET_PROT_LLC,
NET_PROT_LLC_SNAP,
NET_PROT_NLPID,
NET_PROT_SNAP,
NET_PROT_MPLS,
NET_PROT_IPSEC_AH,
NET_PROT_IPSEC_ESP,
NET_PROT_UDP_ENC_ESP, /* RFC 3948 */
NET_PROT_MACSEC,
NET_PROT_GRE,
NET_PROT_MINENCAP,
NET_PROT_DCCP,
NET_PROT_ICMP,
NET_PROT_IGMP,
NET_PROT_ARP,
NET_PROT_CAPWAP_DATA,
NET_PROT_CAPWAP_CTRL,
NET_PROT_RFC2684,
NET_PROT_ICMPV6,
NET_PROT_FCOE,
NET_PROT_FIP,
NET_PROT_ISCSI,
NET_PROT_GTP,
NET_PROT_USER_DEFINED_L2,
NET_PROT_USER_DEFINED_L3,
NET_PROT_USER_DEFINED_L4,
NET_PROT_USER_DEFINED_L5,
NET_PROT_USER_DEFINED_SHIM1,
NET_PROT_USER_DEFINED_SHIM2,
NET_PROT_DUMMY_LAST
};
/**
* struct dpkg_extract - A structure for defining a single extraction
* @type: Determines how the union below is interpreted:
* DPKG_EXTRACT_FROM_HDR: selects 'from_hdr';
* DPKG_EXTRACT_FROM_DATA: selects 'from_data';
* DPKG_EXTRACT_FROM_PARSE: selects 'from_parse'
* @extract: Selects extraction method
* @extract.from_hdr: Used when 'type = DPKG_EXTRACT_FROM_HDR'
* @extract.from_data: Used when 'type = DPKG_EXTRACT_FROM_DATA'
* @extract.from_parse: Used when 'type = DPKG_EXTRACT_FROM_PARSE'
* @extract.from_hdr.prot: Any of the supported headers
* @extract.from_hdr.type: Defines the type of header extraction:
* DPKG_FROM_HDR: use size & offset below;
* DPKG_FROM_FIELD: use field, size and offset below;
* DPKG_FULL_FIELD: use field below
* @extract.from_hdr.field: One of the supported fields (NH_FLD_)
* @extract.from_hdr.size: Size in bytes
* @extract.from_hdr.offset: Byte offset
* @extract.from_hdr.hdr_index: Clear for cases not listed below;
* Used for protocols that may have more than a single
* header, 0 indicates an outer header;
* Supported protocols (possible values):
* NET_PROT_VLAN (0, HDR_INDEX_LAST);
* NET_PROT_MPLS (0, 1, HDR_INDEX_LAST);
* NET_PROT_IP(0, HDR_INDEX_LAST);
* NET_PROT_IPv4(0, HDR_INDEX_LAST);
* NET_PROT_IPv6(0, HDR_INDEX_LAST);
* @extract.from_data.size: Size in bytes
* @extract.from_data.offset: Byte offset
* @extract.from_parse.size: Size in bytes
* @extract.from_parse.offset: Byte offset
* @num_of_byte_masks: Defines the number of valid entries in the array below;
* This is also the number of bytes to be used as masks
* @masks: Masks parameters
*/
struct dpkg_extract {
enum dpkg_extract_type type;
union {
struct {
enum net_prot prot;
enum dpkg_extract_from_hdr_type type;
uint32_t field;
uint8_t size;
uint8_t offset;
uint8_t hdr_index;
} from_hdr;
struct {
uint8_t size;
uint8_t offset;
} from_data;
struct {
uint8_t size;
uint8_t offset;
} from_parse;
} extract;
uint8_t num_of_byte_masks;
struct dpkg_mask masks[DPKG_NUM_OF_MASKS];
};
/**
* struct dpkg_profile_cfg - A structure for defining a full Key Generation
* profile (rule)
* @num_extracts: Defines the number of valid entries in the array below
* @extracts: Array of required extractions
*/
struct dpkg_profile_cfg {
uint8_t num_extracts;
struct dpkg_extract extracts[DPKG_MAX_NUM_OF_EXTRACTS];
};
#endif /* _DPAA2_NI_DPKG_H */