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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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a23d80e0b7
Add a PDB header file to support building protocol descriptors. Signed-off-by: Steve Cornelius <sec@pobox.com> Signed-off-by: Hemant Agrawal <hemant@freescale.com> Signed-off-by: Kim Phillips <kim.phillips@freescale.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
402 lines
7.7 KiB
C
402 lines
7.7 KiB
C
/*
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* CAAM Protocol Data Block (PDB) definition header file
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*
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* Copyright 2008-2012 Freescale Semiconductor, Inc.
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*
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*/
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#ifndef CAAM_PDB_H
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#define CAAM_PDB_H
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/*
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* PDB- IPSec ESP Header Modification Options
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*/
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#define PDBHMO_ESP_DECAP_SHIFT 12
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#define PDBHMO_ESP_ENCAP_SHIFT 4
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/*
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* Encap and Decap - Decrement TTL (Hop Limit) - Based on the value of the
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* Options Byte IP version (IPvsn) field:
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* if IPv4, decrement the inner IP header TTL field (byte 8);
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* if IPv6 decrement the inner IP header Hop Limit field (byte 7).
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*/
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#define PDBHMO_ESP_DECAP_DEC_TTL (0x02 << PDBHMO_ESP_DECAP_SHIFT)
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#define PDBHMO_ESP_ENCAP_DEC_TTL (0x02 << PDBHMO_ESP_ENCAP_SHIFT)
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/*
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* Decap - DiffServ Copy - Copy the IPv4 TOS or IPv6 Traffic Class byte
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* from the outer IP header to the inner IP header.
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*/
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#define PDBHMO_ESP_DIFFSERV (0x01 << PDBHMO_ESP_DECAP_SHIFT)
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/*
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* Encap- Copy DF bit -if an IPv4 tunnel mode outer IP header is coming from
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* the PDB, copy the DF bit from the inner IP header to the outer IP header.
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*/
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#define PDBHMO_ESP_DFBIT (0x04 << PDBHMO_ESP_ENCAP_SHIFT)
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/*
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* PDB - IPSec ESP Encap/Decap Options
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*/
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#define PDBOPTS_ESP_ARSNONE 0x00 /* no antireplay window */
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#define PDBOPTS_ESP_ARS32 0x40 /* 32-entry antireplay window */
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#define PDBOPTS_ESP_ARS64 0xc0 /* 64-entry antireplay window */
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#define PDBOPTS_ESP_IVSRC 0x20 /* IV comes from internal random gen */
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#define PDBOPTS_ESP_ESN 0x10 /* extended sequence included */
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#define PDBOPTS_ESP_OUTFMT 0x08 /* output only decapsulation (decap) */
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#define PDBOPTS_ESP_IPHDRSRC 0x08 /* IP header comes from PDB (encap) */
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#define PDBOPTS_ESP_INCIPHDR 0x04 /* Prepend IP header to output frame */
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#define PDBOPTS_ESP_IPVSN 0x02 /* process IPv6 header */
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#define PDBOPTS_ESP_TUNNEL 0x01 /* tunnel mode next-header byte */
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#define PDBOPTS_ESP_IPV6 0x02 /* ip header version is V6 */
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#define PDBOPTS_ESP_DIFFSERV 0x40 /* copy TOS/TC from inner iphdr */
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#define PDBOPTS_ESP_UPDATE_CSUM 0x80 /* encap-update ip header checksum */
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#define PDBOPTS_ESP_VERIFY_CSUM 0x20 /* decap-validate ip header checksum */
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/*
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* General IPSec encap/decap PDB definitions
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*/
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struct ipsec_encap_cbc {
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u32 iv[4];
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};
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struct ipsec_encap_ctr {
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u32 ctr_nonce;
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u32 ctr_initial;
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u32 iv[2];
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};
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struct ipsec_encap_ccm {
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u32 salt; /* lower 24 bits */
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u8 b0_flags;
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u8 ctr_flags;
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u16 ctr_initial;
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u32 iv[2];
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};
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struct ipsec_encap_gcm {
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u32 salt; /* lower 24 bits */
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u32 rsvd1;
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u32 iv[2];
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};
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struct ipsec_encap_pdb {
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u8 hmo_rsvd;
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u8 ip_nh;
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u8 ip_nh_offset;
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u8 options;
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u32 seq_num_ext_hi;
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u32 seq_num;
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union {
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struct ipsec_encap_cbc cbc;
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struct ipsec_encap_ctr ctr;
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struct ipsec_encap_ccm ccm;
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struct ipsec_encap_gcm gcm;
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};
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u32 spi;
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u16 rsvd1;
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u16 ip_hdr_len;
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u32 ip_hdr[0]; /* optional IP Header content */
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};
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struct ipsec_decap_cbc {
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u32 rsvd[2];
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};
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struct ipsec_decap_ctr {
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u32 salt;
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u32 ctr_initial;
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};
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struct ipsec_decap_ccm {
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u32 salt;
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u8 iv_flags;
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u8 ctr_flags;
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u16 ctr_initial;
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};
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struct ipsec_decap_gcm {
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u32 salt;
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u32 resvd;
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};
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struct ipsec_decap_pdb {
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u16 hmo_ip_hdr_len;
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u8 ip_nh_offset;
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u8 options;
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union {
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struct ipsec_decap_cbc cbc;
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struct ipsec_decap_ctr ctr;
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struct ipsec_decap_ccm ccm;
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struct ipsec_decap_gcm gcm;
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};
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u32 seq_num_ext_hi;
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u32 seq_num;
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u32 anti_replay[2];
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u32 end_index[0];
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};
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/*
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* IPSec ESP Datapath Protocol Override Register (DPOVRD)
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*/
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struct ipsec_deco_dpovrd {
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#define IPSEC_ENCAP_DECO_DPOVRD_USE 0x80
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u8 ovrd_ecn;
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u8 ip_hdr_len;
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u8 nh_offset;
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u8 next_header; /* reserved if decap */
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};
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/*
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* IEEE 802.11i WiFi Protocol Data Block
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*/
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#define WIFI_PDBOPTS_FCS 0x01
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#define WIFI_PDBOPTS_AR 0x40
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struct wifi_encap_pdb {
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u16 mac_hdr_len;
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u8 rsvd;
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u8 options;
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u8 iv_flags;
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u8 pri;
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u16 pn1;
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u32 pn2;
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u16 frm_ctrl_mask;
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u16 seq_ctrl_mask;
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u8 rsvd1[2];
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u8 cnst;
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u8 key_id;
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u8 ctr_flags;
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u8 rsvd2;
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u16 ctr_init;
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};
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struct wifi_decap_pdb {
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u16 mac_hdr_len;
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u8 rsvd;
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u8 options;
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u8 iv_flags;
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u8 pri;
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u16 pn1;
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u32 pn2;
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u16 frm_ctrl_mask;
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u16 seq_ctrl_mask;
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u8 rsvd1[4];
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u8 ctr_flags;
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u8 rsvd2;
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u16 ctr_init;
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};
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/*
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* IEEE 802.16 WiMAX Protocol Data Block
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*/
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#define WIMAX_PDBOPTS_FCS 0x01
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#define WIMAX_PDBOPTS_AR 0x40 /* decap only */
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struct wimax_encap_pdb {
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u8 rsvd[3];
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u8 options;
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u32 nonce;
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u8 b0_flags;
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u8 ctr_flags;
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u16 ctr_init;
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/* begin DECO writeback region */
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u32 pn;
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/* end DECO writeback region */
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};
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struct wimax_decap_pdb {
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u8 rsvd[3];
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u8 options;
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u32 nonce;
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u8 iv_flags;
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u8 ctr_flags;
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u16 ctr_init;
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/* begin DECO writeback region */
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u32 pn;
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u8 rsvd1[2];
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u16 antireplay_len;
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u64 antireplay_scorecard;
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/* end DECO writeback region */
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};
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/*
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* IEEE 801.AE MacSEC Protocol Data Block
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*/
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#define MACSEC_PDBOPTS_FCS 0x01
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#define MACSEC_PDBOPTS_AR 0x40 /* used in decap only */
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struct macsec_encap_pdb {
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u16 aad_len;
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u8 rsvd;
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u8 options;
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u64 sci;
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u16 ethertype;
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u8 tci_an;
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u8 rsvd1;
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/* begin DECO writeback region */
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u32 pn;
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/* end DECO writeback region */
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};
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struct macsec_decap_pdb {
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u16 aad_len;
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u8 rsvd;
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u8 options;
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u64 sci;
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u8 rsvd1[3];
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/* begin DECO writeback region */
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u8 antireplay_len;
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u32 pn;
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u64 antireplay_scorecard;
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/* end DECO writeback region */
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};
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/*
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* SSL/TLS/DTLS Protocol Data Blocks
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*/
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#define TLS_PDBOPTS_ARS32 0x40
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#define TLS_PDBOPTS_ARS64 0xc0
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#define TLS_PDBOPTS_OUTFMT 0x08
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#define TLS_PDBOPTS_IV_WRTBK 0x02 /* 1.1/1.2/DTLS only */
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#define TLS_PDBOPTS_EXP_RND_IV 0x01 /* 1.1/1.2/DTLS only */
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struct tls_block_encap_pdb {
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u8 type;
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u8 version[2];
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u8 options;
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u64 seq_num;
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u32 iv[4];
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};
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struct tls_stream_encap_pdb {
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u8 type;
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u8 version[2];
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u8 options;
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u64 seq_num;
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u8 i;
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u8 j;
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u8 rsvd1[2];
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};
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struct dtls_block_encap_pdb {
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u8 type;
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u8 version[2];
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u8 options;
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u16 epoch;
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u16 seq_num[3];
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u32 iv[4];
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};
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struct tls_block_decap_pdb {
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u8 rsvd[3];
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u8 options;
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u64 seq_num;
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u32 iv[4];
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};
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struct tls_stream_decap_pdb {
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u8 rsvd[3];
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u8 options;
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u64 seq_num;
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u8 i;
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u8 j;
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u8 rsvd1[2];
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};
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struct dtls_block_decap_pdb {
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u8 rsvd[3];
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u8 options;
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u16 epoch;
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u16 seq_num[3];
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u32 iv[4];
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u64 antireplay_scorecard;
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};
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/*
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* SRTP Protocol Data Blocks
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*/
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#define SRTP_PDBOPTS_MKI 0x08
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#define SRTP_PDBOPTS_AR 0x40
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struct srtp_encap_pdb {
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u8 x_len;
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u8 mki_len;
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u8 n_tag;
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u8 options;
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u32 cnst0;
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u8 rsvd[2];
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u16 cnst1;
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u16 salt[7];
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u16 cnst2;
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u32 rsvd1;
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u32 roc;
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u32 opt_mki;
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};
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struct srtp_decap_pdb {
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u8 x_len;
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u8 mki_len;
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u8 n_tag;
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u8 options;
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u32 cnst0;
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u8 rsvd[2];
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u16 cnst1;
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u16 salt[7];
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u16 cnst2;
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u16 rsvd1;
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u16 seq_num;
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u32 roc;
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u64 antireplay_scorecard;
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};
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/*
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* DSA/ECDSA Protocol Data Blocks
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* Two of these exist: DSA-SIGN, and DSA-VERIFY. They are similar
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* except for the treatment of "w" for verify, "s" for sign,
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* and the placement of "a,b".
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*/
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#define DSA_PDB_SGF_SHIFT 24
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#define DSA_PDB_SGF_MASK (0xff << DSA_PDB_SGF_SHIFT)
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#define DSA_PDB_SGF_Q (0x80 << DSA_PDB_SGF_SHIFT)
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#define DSA_PDB_SGF_R (0x40 << DSA_PDB_SGF_SHIFT)
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#define DSA_PDB_SGF_G (0x20 << DSA_PDB_SGF_SHIFT)
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#define DSA_PDB_SGF_W (0x10 << DSA_PDB_SGF_SHIFT)
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#define DSA_PDB_SGF_S (0x10 << DSA_PDB_SGF_SHIFT)
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#define DSA_PDB_SGF_F (0x08 << DSA_PDB_SGF_SHIFT)
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#define DSA_PDB_SGF_C (0x04 << DSA_PDB_SGF_SHIFT)
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#define DSA_PDB_SGF_D (0x02 << DSA_PDB_SGF_SHIFT)
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#define DSA_PDB_SGF_AB_SIGN (0x02 << DSA_PDB_SGF_SHIFT)
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#define DSA_PDB_SGF_AB_VERIFY (0x01 << DSA_PDB_SGF_SHIFT)
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#define DSA_PDB_L_SHIFT 7
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#define DSA_PDB_L_MASK (0x3ff << DSA_PDB_L_SHIFT)
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#define DSA_PDB_N_MASK 0x7f
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struct dsa_sign_pdb {
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u32 sgf_ln; /* Use DSA_PDB_ defintions per above */
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u8 *q;
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u8 *r;
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u8 *g; /* or Gx,y */
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u8 *s;
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u8 *f;
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u8 *c;
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u8 *d;
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u8 *ab; /* ECC only */
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u8 *u;
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};
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struct dsa_verify_pdb {
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u32 sgf_ln;
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u8 *q;
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u8 *r;
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u8 *g; /* or Gx,y */
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u8 *w; /* or Wx,y */
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u8 *f;
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u8 *c;
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u8 *d;
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u8 *tmp; /* temporary data block */
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u8 *ab; /* only used if ECC processing */
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};
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#endif
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