482 lines
14 KiB
C
482 lines
14 KiB
C
/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
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/* Copyright 2013-2015 Freescale Semiconductor Inc.
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*/
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#ifndef __FSL_DPKG_H_
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#define __FSL_DPKG_H_
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#include <linux/types.h>
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/* Data Path Key Generator API
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* Contains initialization APIs and runtime APIs for the Key Generator
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*/
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/** Key Generator properties */
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/**
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* DPKG_NUM_OF_MASKS - Number of masks per key extraction
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*/
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#define DPKG_NUM_OF_MASKS 4
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/**
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* DPKG_MAX_NUM_OF_EXTRACTS - Number of extractions per key profile
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*/
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#define DPKG_MAX_NUM_OF_EXTRACTS 10
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/**
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* enum dpkg_extract_from_hdr_type - Selecting extraction by header types
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* @DPKG_FROM_HDR: Extract selected bytes from header, by offset
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* @DPKG_FROM_FIELD: Extract selected bytes from header, by offset from field
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* @DPKG_FULL_FIELD: Extract a full field
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*/
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enum dpkg_extract_from_hdr_type {
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DPKG_FROM_HDR = 0,
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DPKG_FROM_FIELD = 1,
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DPKG_FULL_FIELD = 2
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};
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/**
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* enum dpkg_extract_type - Enumeration for selecting extraction type
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* @DPKG_EXTRACT_FROM_HDR: Extract from the header
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* @DPKG_EXTRACT_FROM_DATA: Extract from data not in specific header
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* @DPKG_EXTRACT_FROM_PARSE: Extract from parser-result;
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* e.g. can be used to extract header existence;
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* please refer to 'Parse Result definition' section in the parser BG
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*/
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enum dpkg_extract_type {
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DPKG_EXTRACT_FROM_HDR = 0,
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DPKG_EXTRACT_FROM_DATA = 1,
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DPKG_EXTRACT_FROM_PARSE = 3
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};
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/**
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* struct dpkg_mask - A structure for defining a single extraction mask
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* @mask: Byte mask for the extracted content
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* @offset: Offset within the extracted content
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*/
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struct dpkg_mask {
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u8 mask;
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u8 offset;
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};
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/* Protocol fields */
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/* Ethernet fields */
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#define NH_FLD_ETH_DA BIT(0)
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#define NH_FLD_ETH_SA BIT(1)
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#define NH_FLD_ETH_LENGTH BIT(2)
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#define NH_FLD_ETH_TYPE BIT(3)
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#define NH_FLD_ETH_FINAL_CKSUM BIT(4)
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#define NH_FLD_ETH_PADDING BIT(5)
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#define NH_FLD_ETH_ALL_FIELDS (BIT(6) - 1)
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/* VLAN fields */
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#define NH_FLD_VLAN_VPRI BIT(0)
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#define NH_FLD_VLAN_CFI BIT(1)
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#define NH_FLD_VLAN_VID BIT(2)
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#define NH_FLD_VLAN_LENGTH BIT(3)
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#define NH_FLD_VLAN_TYPE BIT(4)
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#define NH_FLD_VLAN_ALL_FIELDS (BIT(5) - 1)
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#define NH_FLD_VLAN_TCI (NH_FLD_VLAN_VPRI | \
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NH_FLD_VLAN_CFI | \
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NH_FLD_VLAN_VID)
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/* IP (generic) fields */
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#define NH_FLD_IP_VER BIT(0)
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#define NH_FLD_IP_DSCP BIT(2)
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#define NH_FLD_IP_ECN BIT(3)
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#define NH_FLD_IP_PROTO BIT(4)
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#define NH_FLD_IP_SRC BIT(5)
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#define NH_FLD_IP_DST BIT(6)
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#define NH_FLD_IP_TOS_TC BIT(7)
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#define NH_FLD_IP_ID BIT(8)
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#define NH_FLD_IP_ALL_FIELDS (BIT(9) - 1)
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/* IPV4 fields */
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#define NH_FLD_IPV4_VER BIT(0)
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#define NH_FLD_IPV4_HDR_LEN BIT(1)
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#define NH_FLD_IPV4_TOS BIT(2)
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#define NH_FLD_IPV4_TOTAL_LEN BIT(3)
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#define NH_FLD_IPV4_ID BIT(4)
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#define NH_FLD_IPV4_FLAG_D BIT(5)
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#define NH_FLD_IPV4_FLAG_M BIT(6)
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#define NH_FLD_IPV4_OFFSET BIT(7)
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#define NH_FLD_IPV4_TTL BIT(8)
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#define NH_FLD_IPV4_PROTO BIT(9)
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#define NH_FLD_IPV4_CKSUM BIT(10)
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#define NH_FLD_IPV4_SRC_IP BIT(11)
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#define NH_FLD_IPV4_DST_IP BIT(12)
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#define NH_FLD_IPV4_OPTS BIT(13)
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#define NH_FLD_IPV4_OPTS_COUNT BIT(14)
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#define NH_FLD_IPV4_ALL_FIELDS (BIT(15) - 1)
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/* IPV6 fields */
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#define NH_FLD_IPV6_VER BIT(0)
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#define NH_FLD_IPV6_TC BIT(1)
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#define NH_FLD_IPV6_SRC_IP BIT(2)
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#define NH_FLD_IPV6_DST_IP BIT(3)
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#define NH_FLD_IPV6_NEXT_HDR BIT(4)
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#define NH_FLD_IPV6_FL BIT(5)
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#define NH_FLD_IPV6_HOP_LIMIT BIT(6)
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#define NH_FLD_IPV6_ID BIT(7)
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#define NH_FLD_IPV6_ALL_FIELDS (BIT(8) - 1)
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/* ICMP fields */
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#define NH_FLD_ICMP_TYPE BIT(0)
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#define NH_FLD_ICMP_CODE BIT(1)
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#define NH_FLD_ICMP_CKSUM BIT(2)
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#define NH_FLD_ICMP_ID BIT(3)
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#define NH_FLD_ICMP_SQ_NUM BIT(4)
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#define NH_FLD_ICMP_ALL_FIELDS (BIT(5) - 1)
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/* IGMP fields */
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#define NH_FLD_IGMP_VERSION BIT(0)
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#define NH_FLD_IGMP_TYPE BIT(1)
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#define NH_FLD_IGMP_CKSUM BIT(2)
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#define NH_FLD_IGMP_DATA BIT(3)
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#define NH_FLD_IGMP_ALL_FIELDS (BIT(4) - 1)
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/* TCP fields */
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#define NH_FLD_TCP_PORT_SRC BIT(0)
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#define NH_FLD_TCP_PORT_DST BIT(1)
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#define NH_FLD_TCP_SEQ BIT(2)
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#define NH_FLD_TCP_ACK BIT(3)
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#define NH_FLD_TCP_OFFSET BIT(4)
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#define NH_FLD_TCP_FLAGS BIT(5)
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#define NH_FLD_TCP_WINDOW BIT(6)
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#define NH_FLD_TCP_CKSUM BIT(7)
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#define NH_FLD_TCP_URGPTR BIT(8)
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#define NH_FLD_TCP_OPTS BIT(9)
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#define NH_FLD_TCP_OPTS_COUNT BIT(10)
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#define NH_FLD_TCP_ALL_FIELDS (BIT(11) - 1)
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/* UDP fields */
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#define NH_FLD_UDP_PORT_SRC BIT(0)
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#define NH_FLD_UDP_PORT_DST BIT(1)
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#define NH_FLD_UDP_LEN BIT(2)
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#define NH_FLD_UDP_CKSUM BIT(3)
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#define NH_FLD_UDP_ALL_FIELDS (BIT(4) - 1)
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/* UDP-lite fields */
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#define NH_FLD_UDP_LITE_PORT_SRC BIT(0)
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#define NH_FLD_UDP_LITE_PORT_DST BIT(1)
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#define NH_FLD_UDP_LITE_ALL_FIELDS (BIT(2) - 1)
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/* UDP-encap-ESP fields */
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#define NH_FLD_UDP_ENC_ESP_PORT_SRC BIT(0)
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#define NH_FLD_UDP_ENC_ESP_PORT_DST BIT(1)
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#define NH_FLD_UDP_ENC_ESP_LEN BIT(2)
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#define NH_FLD_UDP_ENC_ESP_CKSUM BIT(3)
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#define NH_FLD_UDP_ENC_ESP_SPI BIT(4)
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#define NH_FLD_UDP_ENC_ESP_SEQUENCE_NUM BIT(5)
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#define NH_FLD_UDP_ENC_ESP_ALL_FIELDS (BIT(6) - 1)
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/* SCTP fields */
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#define NH_FLD_SCTP_PORT_SRC BIT(0)
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#define NH_FLD_SCTP_PORT_DST BIT(1)
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#define NH_FLD_SCTP_VER_TAG BIT(2)
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#define NH_FLD_SCTP_CKSUM BIT(3)
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#define NH_FLD_SCTP_ALL_FIELDS (BIT(4) - 1)
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/* DCCP fields */
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#define NH_FLD_DCCP_PORT_SRC BIT(0)
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#define NH_FLD_DCCP_PORT_DST BIT(1)
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#define NH_FLD_DCCP_ALL_FIELDS (BIT(2) - 1)
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/* IPHC fields */
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#define NH_FLD_IPHC_CID BIT(0)
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#define NH_FLD_IPHC_CID_TYPE BIT(1)
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#define NH_FLD_IPHC_HCINDEX BIT(2)
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#define NH_FLD_IPHC_GEN BIT(3)
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#define NH_FLD_IPHC_D_BIT BIT(4)
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#define NH_FLD_IPHC_ALL_FIELDS (BIT(5) - 1)
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/* SCTP fields */
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#define NH_FLD_SCTP_CHUNK_DATA_TYPE BIT(0)
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#define NH_FLD_SCTP_CHUNK_DATA_FLAGS BIT(1)
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#define NH_FLD_SCTP_CHUNK_DATA_LENGTH BIT(2)
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#define NH_FLD_SCTP_CHUNK_DATA_TSN BIT(3)
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#define NH_FLD_SCTP_CHUNK_DATA_STREAM_ID BIT(4)
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#define NH_FLD_SCTP_CHUNK_DATA_STREAM_SQN BIT(5)
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#define NH_FLD_SCTP_CHUNK_DATA_PAYLOAD_PID BIT(6)
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#define NH_FLD_SCTP_CHUNK_DATA_UNORDERED BIT(7)
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#define NH_FLD_SCTP_CHUNK_DATA_BEGGINING BIT(8)
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#define NH_FLD_SCTP_CHUNK_DATA_END BIT(9)
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#define NH_FLD_SCTP_CHUNK_DATA_ALL_FIELDS (BIT(10) - 1)
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/* L2TPV2 fields */
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#define NH_FLD_L2TPV2_TYPE_BIT BIT(0)
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#define NH_FLD_L2TPV2_LENGTH_BIT BIT(1)
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#define NH_FLD_L2TPV2_SEQUENCE_BIT BIT(2)
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#define NH_FLD_L2TPV2_OFFSET_BIT BIT(3)
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#define NH_FLD_L2TPV2_PRIORITY_BIT BIT(4)
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#define NH_FLD_L2TPV2_VERSION BIT(5)
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#define NH_FLD_L2TPV2_LEN BIT(6)
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#define NH_FLD_L2TPV2_TUNNEL_ID BIT(7)
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#define NH_FLD_L2TPV2_SESSION_ID BIT(8)
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#define NH_FLD_L2TPV2_NS BIT(9)
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#define NH_FLD_L2TPV2_NR BIT(10)
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#define NH_FLD_L2TPV2_OFFSET_SIZE BIT(11)
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#define NH_FLD_L2TPV2_FIRST_BYTE BIT(12)
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#define NH_FLD_L2TPV2_ALL_FIELDS (BIT(13) - 1)
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/* L2TPV3 fields */
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#define NH_FLD_L2TPV3_CTRL_TYPE_BIT BIT(0)
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#define NH_FLD_L2TPV3_CTRL_LENGTH_BIT BIT(1)
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#define NH_FLD_L2TPV3_CTRL_SEQUENCE_BIT BIT(2)
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#define NH_FLD_L2TPV3_CTRL_VERSION BIT(3)
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#define NH_FLD_L2TPV3_CTRL_LENGTH BIT(4)
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#define NH_FLD_L2TPV3_CTRL_CONTROL BIT(5)
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#define NH_FLD_L2TPV3_CTRL_SENT BIT(6)
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#define NH_FLD_L2TPV3_CTRL_RECV BIT(7)
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#define NH_FLD_L2TPV3_CTRL_FIRST_BYTE BIT(8)
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#define NH_FLD_L2TPV3_CTRL_ALL_FIELDS (BIT(9) - 1)
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#define NH_FLD_L2TPV3_SESS_TYPE_BIT BIT(0)
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#define NH_FLD_L2TPV3_SESS_VERSION BIT(1)
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#define NH_FLD_L2TPV3_SESS_ID BIT(2)
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#define NH_FLD_L2TPV3_SESS_COOKIE BIT(3)
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#define NH_FLD_L2TPV3_SESS_ALL_FIELDS (BIT(4) - 1)
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/* PPP fields */
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#define NH_FLD_PPP_PID BIT(0)
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#define NH_FLD_PPP_COMPRESSED BIT(1)
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#define NH_FLD_PPP_ALL_FIELDS (BIT(2) - 1)
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/* PPPoE fields */
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#define NH_FLD_PPPOE_VER BIT(0)
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#define NH_FLD_PPPOE_TYPE BIT(1)
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#define NH_FLD_PPPOE_CODE BIT(2)
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#define NH_FLD_PPPOE_SID BIT(3)
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#define NH_FLD_PPPOE_LEN BIT(4)
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#define NH_FLD_PPPOE_SESSION BIT(5)
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#define NH_FLD_PPPOE_PID BIT(6)
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#define NH_FLD_PPPOE_ALL_FIELDS (BIT(7) - 1)
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/* PPP-Mux fields */
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#define NH_FLD_PPPMUX_PID BIT(0)
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#define NH_FLD_PPPMUX_CKSUM BIT(1)
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#define NH_FLD_PPPMUX_COMPRESSED BIT(2)
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#define NH_FLD_PPPMUX_ALL_FIELDS (BIT(3) - 1)
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/* PPP-Mux sub-frame fields */
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#define NH_FLD_PPPMUX_SUBFRM_PFF BIT(0)
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#define NH_FLD_PPPMUX_SUBFRM_LXT BIT(1)
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#define NH_FLD_PPPMUX_SUBFRM_LEN BIT(2)
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#define NH_FLD_PPPMUX_SUBFRM_PID BIT(3)
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#define NH_FLD_PPPMUX_SUBFRM_USE_PID BIT(4)
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#define NH_FLD_PPPMUX_SUBFRM_ALL_FIELDS (BIT(5) - 1)
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/* LLC fields */
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#define NH_FLD_LLC_DSAP BIT(0)
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#define NH_FLD_LLC_SSAP BIT(1)
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#define NH_FLD_LLC_CTRL BIT(2)
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#define NH_FLD_LLC_ALL_FIELDS (BIT(3) - 1)
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/* NLPID fields */
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#define NH_FLD_NLPID_NLPID BIT(0)
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#define NH_FLD_NLPID_ALL_FIELDS (BIT(1) - 1)
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/* SNAP fields */
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#define NH_FLD_SNAP_OUI BIT(0)
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#define NH_FLD_SNAP_PID BIT(1)
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#define NH_FLD_SNAP_ALL_FIELDS (BIT(2) - 1)
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/* LLC SNAP fields */
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#define NH_FLD_LLC_SNAP_TYPE BIT(0)
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#define NH_FLD_LLC_SNAP_ALL_FIELDS (BIT(1) - 1)
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/* ARP fields */
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#define NH_FLD_ARP_HTYPE BIT(0)
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#define NH_FLD_ARP_PTYPE BIT(1)
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#define NH_FLD_ARP_HLEN BIT(2)
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#define NH_FLD_ARP_PLEN BIT(3)
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#define NH_FLD_ARP_OPER BIT(4)
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#define NH_FLD_ARP_SHA BIT(5)
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#define NH_FLD_ARP_SPA BIT(6)
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#define NH_FLD_ARP_THA BIT(7)
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#define NH_FLD_ARP_TPA BIT(8)
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#define NH_FLD_ARP_ALL_FIELDS (BIT(9) - 1)
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/* RFC2684 fields */
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#define NH_FLD_RFC2684_LLC BIT(0)
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#define NH_FLD_RFC2684_NLPID BIT(1)
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#define NH_FLD_RFC2684_OUI BIT(2)
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#define NH_FLD_RFC2684_PID BIT(3)
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#define NH_FLD_RFC2684_VPN_OUI BIT(4)
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#define NH_FLD_RFC2684_VPN_IDX BIT(5)
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#define NH_FLD_RFC2684_ALL_FIELDS (BIT(6) - 1)
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/* User defined fields */
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#define NH_FLD_USER_DEFINED_SRCPORT BIT(0)
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#define NH_FLD_USER_DEFINED_PCDID BIT(1)
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#define NH_FLD_USER_DEFINED_ALL_FIELDS (BIT(2) - 1)
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/* Payload fields */
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#define NH_FLD_PAYLOAD_BUFFER BIT(0)
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#define NH_FLD_PAYLOAD_SIZE BIT(1)
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#define NH_FLD_MAX_FRM_SIZE BIT(2)
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#define NH_FLD_MIN_FRM_SIZE BIT(3)
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#define NH_FLD_PAYLOAD_TYPE BIT(4)
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#define NH_FLD_FRAME_SIZE BIT(5)
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#define NH_FLD_PAYLOAD_ALL_FIELDS (BIT(6) - 1)
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/* GRE fields */
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#define NH_FLD_GRE_TYPE BIT(0)
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#define NH_FLD_GRE_ALL_FIELDS (BIT(1) - 1)
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/* MINENCAP fields */
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#define NH_FLD_MINENCAP_SRC_IP BIT(0)
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#define NH_FLD_MINENCAP_DST_IP BIT(1)
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#define NH_FLD_MINENCAP_TYPE BIT(2)
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#define NH_FLD_MINENCAP_ALL_FIELDS (BIT(3) - 1)
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/* IPSEC AH fields */
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#define NH_FLD_IPSEC_AH_SPI BIT(0)
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#define NH_FLD_IPSEC_AH_NH BIT(1)
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#define NH_FLD_IPSEC_AH_ALL_FIELDS (BIT(2) - 1)
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/* IPSEC ESP fields */
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#define NH_FLD_IPSEC_ESP_SPI BIT(0)
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#define NH_FLD_IPSEC_ESP_SEQUENCE_NUM BIT(1)
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#define NH_FLD_IPSEC_ESP_ALL_FIELDS (BIT(2) - 1)
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/* MPLS fields */
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#define NH_FLD_MPLS_LABEL_STACK BIT(0)
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#define NH_FLD_MPLS_LABEL_STACK_ALL_FIELDS (BIT(1) - 1)
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/* MACSEC fields */
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#define NH_FLD_MACSEC_SECTAG BIT(0)
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#define NH_FLD_MACSEC_ALL_FIELDS (BIT(1) - 1)
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/* GTP fields */
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#define NH_FLD_GTP_TEID BIT(0)
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/* Supported protocols */
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enum net_prot {
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NET_PROT_NONE = 0,
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NET_PROT_PAYLOAD,
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NET_PROT_ETH,
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NET_PROT_VLAN,
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NET_PROT_IPV4,
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NET_PROT_IPV6,
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NET_PROT_IP,
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NET_PROT_TCP,
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NET_PROT_UDP,
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NET_PROT_UDP_LITE,
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NET_PROT_IPHC,
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NET_PROT_SCTP,
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NET_PROT_SCTP_CHUNK_DATA,
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NET_PROT_PPPOE,
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NET_PROT_PPP,
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NET_PROT_PPPMUX,
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NET_PROT_PPPMUX_SUBFRM,
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NET_PROT_L2TPV2,
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NET_PROT_L2TPV3_CTRL,
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NET_PROT_L2TPV3_SESS,
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NET_PROT_LLC,
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NET_PROT_LLC_SNAP,
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NET_PROT_NLPID,
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NET_PROT_SNAP,
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NET_PROT_MPLS,
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NET_PROT_IPSEC_AH,
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NET_PROT_IPSEC_ESP,
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NET_PROT_UDP_ENC_ESP, /* RFC 3948 */
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NET_PROT_MACSEC,
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NET_PROT_GRE,
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NET_PROT_MINENCAP,
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NET_PROT_DCCP,
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NET_PROT_ICMP,
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NET_PROT_IGMP,
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NET_PROT_ARP,
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NET_PROT_CAPWAP_DATA,
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NET_PROT_CAPWAP_CTRL,
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NET_PROT_RFC2684,
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NET_PROT_ICMPV6,
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NET_PROT_FCOE,
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NET_PROT_FIP,
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NET_PROT_ISCSI,
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NET_PROT_GTP,
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NET_PROT_USER_DEFINED_L2,
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NET_PROT_USER_DEFINED_L3,
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NET_PROT_USER_DEFINED_L4,
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NET_PROT_USER_DEFINED_L5,
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NET_PROT_USER_DEFINED_SHIM1,
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NET_PROT_USER_DEFINED_SHIM2,
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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;
|
|
u32 field;
|
|
u8 size;
|
|
u8 offset;
|
|
u8 hdr_index;
|
|
} from_hdr;
|
|
struct {
|
|
u8 size;
|
|
u8 offset;
|
|
} from_data;
|
|
struct {
|
|
u8 size;
|
|
u8 offset;
|
|
} from_parse;
|
|
} extract;
|
|
|
|
u8 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 {
|
|
u8 num_extracts;
|
|
struct dpkg_extract extracts[DPKG_MAX_NUM_OF_EXTRACTS];
|
|
};
|
|
|
|
#endif /* __FSL_DPKG_H_ */
|