mirror of
https://github.com/torvalds/linux.git
synced 2024-11-07 12:41:55 +00:00
da64e35810
Add define for "Adjust Output Frame Length" in order to set the AOFL bit in the IPsec ESP Decapsulation PDB. Signed-off-by: Anca-Jeanina Floarea <anca.floarea@freescale.com> Signed-off-by: Andrei Varvara <andrei.varvara@freescale.com> Reviewed-by: Phillips Kim-R1AAHA <Kim.Phillips@freescale.com> Reviewed-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
403 lines
7.8 KiB
C
403 lines
7.8 KiB
C
/*
|
|
* CAAM Protocol Data Block (PDB) definition header file
|
|
*
|
|
* Copyright 2008-2012 Freescale Semiconductor, Inc.
|
|
*
|
|
*/
|
|
|
|
#ifndef CAAM_PDB_H
|
|
#define CAAM_PDB_H
|
|
|
|
/*
|
|
* PDB- IPSec ESP Header Modification Options
|
|
*/
|
|
#define PDBHMO_ESP_DECAP_SHIFT 12
|
|
#define PDBHMO_ESP_ENCAP_SHIFT 4
|
|
/*
|
|
* Encap and Decap - Decrement TTL (Hop Limit) - Based on the value of the
|
|
* Options Byte IP version (IPvsn) field:
|
|
* if IPv4, decrement the inner IP header TTL field (byte 8);
|
|
* if IPv6 decrement the inner IP header Hop Limit field (byte 7).
|
|
*/
|
|
#define PDBHMO_ESP_DECAP_DEC_TTL (0x02 << PDBHMO_ESP_DECAP_SHIFT)
|
|
#define PDBHMO_ESP_ENCAP_DEC_TTL (0x02 << PDBHMO_ESP_ENCAP_SHIFT)
|
|
/*
|
|
* Decap - DiffServ Copy - Copy the IPv4 TOS or IPv6 Traffic Class byte
|
|
* from the outer IP header to the inner IP header.
|
|
*/
|
|
#define PDBHMO_ESP_DIFFSERV (0x01 << PDBHMO_ESP_DECAP_SHIFT)
|
|
/*
|
|
* Encap- Copy DF bit -if an IPv4 tunnel mode outer IP header is coming from
|
|
* the PDB, copy the DF bit from the inner IP header to the outer IP header.
|
|
*/
|
|
#define PDBHMO_ESP_DFBIT (0x04 << PDBHMO_ESP_ENCAP_SHIFT)
|
|
|
|
/*
|
|
* PDB - IPSec ESP Encap/Decap Options
|
|
*/
|
|
#define PDBOPTS_ESP_ARSNONE 0x00 /* no antireplay window */
|
|
#define PDBOPTS_ESP_ARS32 0x40 /* 32-entry antireplay window */
|
|
#define PDBOPTS_ESP_ARS64 0xc0 /* 64-entry antireplay window */
|
|
#define PDBOPTS_ESP_IVSRC 0x20 /* IV comes from internal random gen */
|
|
#define PDBOPTS_ESP_ESN 0x10 /* extended sequence included */
|
|
#define PDBOPTS_ESP_OUTFMT 0x08 /* output only decapsulation (decap) */
|
|
#define PDBOPTS_ESP_IPHDRSRC 0x08 /* IP header comes from PDB (encap) */
|
|
#define PDBOPTS_ESP_INCIPHDR 0x04 /* Prepend IP header to output frame */
|
|
#define PDBOPTS_ESP_IPVSN 0x02 /* process IPv6 header */
|
|
#define PDBOPTS_ESP_AOFL 0x04 /* adjust out frame len (decap, SEC>=5.3)*/
|
|
#define PDBOPTS_ESP_TUNNEL 0x01 /* tunnel mode next-header byte */
|
|
#define PDBOPTS_ESP_IPV6 0x02 /* ip header version is V6 */
|
|
#define PDBOPTS_ESP_DIFFSERV 0x40 /* copy TOS/TC from inner iphdr */
|
|
#define PDBOPTS_ESP_UPDATE_CSUM 0x80 /* encap-update ip header checksum */
|
|
#define PDBOPTS_ESP_VERIFY_CSUM 0x20 /* decap-validate ip header checksum */
|
|
|
|
/*
|
|
* General IPSec encap/decap PDB definitions
|
|
*/
|
|
struct ipsec_encap_cbc {
|
|
u32 iv[4];
|
|
};
|
|
|
|
struct ipsec_encap_ctr {
|
|
u32 ctr_nonce;
|
|
u32 ctr_initial;
|
|
u32 iv[2];
|
|
};
|
|
|
|
struct ipsec_encap_ccm {
|
|
u32 salt; /* lower 24 bits */
|
|
u8 b0_flags;
|
|
u8 ctr_flags;
|
|
u16 ctr_initial;
|
|
u32 iv[2];
|
|
};
|
|
|
|
struct ipsec_encap_gcm {
|
|
u32 salt; /* lower 24 bits */
|
|
u32 rsvd1;
|
|
u32 iv[2];
|
|
};
|
|
|
|
struct ipsec_encap_pdb {
|
|
u8 hmo_rsvd;
|
|
u8 ip_nh;
|
|
u8 ip_nh_offset;
|
|
u8 options;
|
|
u32 seq_num_ext_hi;
|
|
u32 seq_num;
|
|
union {
|
|
struct ipsec_encap_cbc cbc;
|
|
struct ipsec_encap_ctr ctr;
|
|
struct ipsec_encap_ccm ccm;
|
|
struct ipsec_encap_gcm gcm;
|
|
};
|
|
u32 spi;
|
|
u16 rsvd1;
|
|
u16 ip_hdr_len;
|
|
u32 ip_hdr[0]; /* optional IP Header content */
|
|
};
|
|
|
|
struct ipsec_decap_cbc {
|
|
u32 rsvd[2];
|
|
};
|
|
|
|
struct ipsec_decap_ctr {
|
|
u32 salt;
|
|
u32 ctr_initial;
|
|
};
|
|
|
|
struct ipsec_decap_ccm {
|
|
u32 salt;
|
|
u8 iv_flags;
|
|
u8 ctr_flags;
|
|
u16 ctr_initial;
|
|
};
|
|
|
|
struct ipsec_decap_gcm {
|
|
u32 salt;
|
|
u32 resvd;
|
|
};
|
|
|
|
struct ipsec_decap_pdb {
|
|
u16 hmo_ip_hdr_len;
|
|
u8 ip_nh_offset;
|
|
u8 options;
|
|
union {
|
|
struct ipsec_decap_cbc cbc;
|
|
struct ipsec_decap_ctr ctr;
|
|
struct ipsec_decap_ccm ccm;
|
|
struct ipsec_decap_gcm gcm;
|
|
};
|
|
u32 seq_num_ext_hi;
|
|
u32 seq_num;
|
|
u32 anti_replay[2];
|
|
u32 end_index[0];
|
|
};
|
|
|
|
/*
|
|
* IPSec ESP Datapath Protocol Override Register (DPOVRD)
|
|
*/
|
|
struct ipsec_deco_dpovrd {
|
|
#define IPSEC_ENCAP_DECO_DPOVRD_USE 0x80
|
|
u8 ovrd_ecn;
|
|
u8 ip_hdr_len;
|
|
u8 nh_offset;
|
|
u8 next_header; /* reserved if decap */
|
|
};
|
|
|
|
/*
|
|
* IEEE 802.11i WiFi Protocol Data Block
|
|
*/
|
|
#define WIFI_PDBOPTS_FCS 0x01
|
|
#define WIFI_PDBOPTS_AR 0x40
|
|
|
|
struct wifi_encap_pdb {
|
|
u16 mac_hdr_len;
|
|
u8 rsvd;
|
|
u8 options;
|
|
u8 iv_flags;
|
|
u8 pri;
|
|
u16 pn1;
|
|
u32 pn2;
|
|
u16 frm_ctrl_mask;
|
|
u16 seq_ctrl_mask;
|
|
u8 rsvd1[2];
|
|
u8 cnst;
|
|
u8 key_id;
|
|
u8 ctr_flags;
|
|
u8 rsvd2;
|
|
u16 ctr_init;
|
|
};
|
|
|
|
struct wifi_decap_pdb {
|
|
u16 mac_hdr_len;
|
|
u8 rsvd;
|
|
u8 options;
|
|
u8 iv_flags;
|
|
u8 pri;
|
|
u16 pn1;
|
|
u32 pn2;
|
|
u16 frm_ctrl_mask;
|
|
u16 seq_ctrl_mask;
|
|
u8 rsvd1[4];
|
|
u8 ctr_flags;
|
|
u8 rsvd2;
|
|
u16 ctr_init;
|
|
};
|
|
|
|
/*
|
|
* IEEE 802.16 WiMAX Protocol Data Block
|
|
*/
|
|
#define WIMAX_PDBOPTS_FCS 0x01
|
|
#define WIMAX_PDBOPTS_AR 0x40 /* decap only */
|
|
|
|
struct wimax_encap_pdb {
|
|
u8 rsvd[3];
|
|
u8 options;
|
|
u32 nonce;
|
|
u8 b0_flags;
|
|
u8 ctr_flags;
|
|
u16 ctr_init;
|
|
/* begin DECO writeback region */
|
|
u32 pn;
|
|
/* end DECO writeback region */
|
|
};
|
|
|
|
struct wimax_decap_pdb {
|
|
u8 rsvd[3];
|
|
u8 options;
|
|
u32 nonce;
|
|
u8 iv_flags;
|
|
u8 ctr_flags;
|
|
u16 ctr_init;
|
|
/* begin DECO writeback region */
|
|
u32 pn;
|
|
u8 rsvd1[2];
|
|
u16 antireplay_len;
|
|
u64 antireplay_scorecard;
|
|
/* end DECO writeback region */
|
|
};
|
|
|
|
/*
|
|
* IEEE 801.AE MacSEC Protocol Data Block
|
|
*/
|
|
#define MACSEC_PDBOPTS_FCS 0x01
|
|
#define MACSEC_PDBOPTS_AR 0x40 /* used in decap only */
|
|
|
|
struct macsec_encap_pdb {
|
|
u16 aad_len;
|
|
u8 rsvd;
|
|
u8 options;
|
|
u64 sci;
|
|
u16 ethertype;
|
|
u8 tci_an;
|
|
u8 rsvd1;
|
|
/* begin DECO writeback region */
|
|
u32 pn;
|
|
/* end DECO writeback region */
|
|
};
|
|
|
|
struct macsec_decap_pdb {
|
|
u16 aad_len;
|
|
u8 rsvd;
|
|
u8 options;
|
|
u64 sci;
|
|
u8 rsvd1[3];
|
|
/* begin DECO writeback region */
|
|
u8 antireplay_len;
|
|
u32 pn;
|
|
u64 antireplay_scorecard;
|
|
/* end DECO writeback region */
|
|
};
|
|
|
|
/*
|
|
* SSL/TLS/DTLS Protocol Data Blocks
|
|
*/
|
|
|
|
#define TLS_PDBOPTS_ARS32 0x40
|
|
#define TLS_PDBOPTS_ARS64 0xc0
|
|
#define TLS_PDBOPTS_OUTFMT 0x08
|
|
#define TLS_PDBOPTS_IV_WRTBK 0x02 /* 1.1/1.2/DTLS only */
|
|
#define TLS_PDBOPTS_EXP_RND_IV 0x01 /* 1.1/1.2/DTLS only */
|
|
|
|
struct tls_block_encap_pdb {
|
|
u8 type;
|
|
u8 version[2];
|
|
u8 options;
|
|
u64 seq_num;
|
|
u32 iv[4];
|
|
};
|
|
|
|
struct tls_stream_encap_pdb {
|
|
u8 type;
|
|
u8 version[2];
|
|
u8 options;
|
|
u64 seq_num;
|
|
u8 i;
|
|
u8 j;
|
|
u8 rsvd1[2];
|
|
};
|
|
|
|
struct dtls_block_encap_pdb {
|
|
u8 type;
|
|
u8 version[2];
|
|
u8 options;
|
|
u16 epoch;
|
|
u16 seq_num[3];
|
|
u32 iv[4];
|
|
};
|
|
|
|
struct tls_block_decap_pdb {
|
|
u8 rsvd[3];
|
|
u8 options;
|
|
u64 seq_num;
|
|
u32 iv[4];
|
|
};
|
|
|
|
struct tls_stream_decap_pdb {
|
|
u8 rsvd[3];
|
|
u8 options;
|
|
u64 seq_num;
|
|
u8 i;
|
|
u8 j;
|
|
u8 rsvd1[2];
|
|
};
|
|
|
|
struct dtls_block_decap_pdb {
|
|
u8 rsvd[3];
|
|
u8 options;
|
|
u16 epoch;
|
|
u16 seq_num[3];
|
|
u32 iv[4];
|
|
u64 antireplay_scorecard;
|
|
};
|
|
|
|
/*
|
|
* SRTP Protocol Data Blocks
|
|
*/
|
|
#define SRTP_PDBOPTS_MKI 0x08
|
|
#define SRTP_PDBOPTS_AR 0x40
|
|
|
|
struct srtp_encap_pdb {
|
|
u8 x_len;
|
|
u8 mki_len;
|
|
u8 n_tag;
|
|
u8 options;
|
|
u32 cnst0;
|
|
u8 rsvd[2];
|
|
u16 cnst1;
|
|
u16 salt[7];
|
|
u16 cnst2;
|
|
u32 rsvd1;
|
|
u32 roc;
|
|
u32 opt_mki;
|
|
};
|
|
|
|
struct srtp_decap_pdb {
|
|
u8 x_len;
|
|
u8 mki_len;
|
|
u8 n_tag;
|
|
u8 options;
|
|
u32 cnst0;
|
|
u8 rsvd[2];
|
|
u16 cnst1;
|
|
u16 salt[7];
|
|
u16 cnst2;
|
|
u16 rsvd1;
|
|
u16 seq_num;
|
|
u32 roc;
|
|
u64 antireplay_scorecard;
|
|
};
|
|
|
|
/*
|
|
* DSA/ECDSA Protocol Data Blocks
|
|
* Two of these exist: DSA-SIGN, and DSA-VERIFY. They are similar
|
|
* except for the treatment of "w" for verify, "s" for sign,
|
|
* and the placement of "a,b".
|
|
*/
|
|
#define DSA_PDB_SGF_SHIFT 24
|
|
#define DSA_PDB_SGF_MASK (0xff << DSA_PDB_SGF_SHIFT)
|
|
#define DSA_PDB_SGF_Q (0x80 << DSA_PDB_SGF_SHIFT)
|
|
#define DSA_PDB_SGF_R (0x40 << DSA_PDB_SGF_SHIFT)
|
|
#define DSA_PDB_SGF_G (0x20 << DSA_PDB_SGF_SHIFT)
|
|
#define DSA_PDB_SGF_W (0x10 << DSA_PDB_SGF_SHIFT)
|
|
#define DSA_PDB_SGF_S (0x10 << DSA_PDB_SGF_SHIFT)
|
|
#define DSA_PDB_SGF_F (0x08 << DSA_PDB_SGF_SHIFT)
|
|
#define DSA_PDB_SGF_C (0x04 << DSA_PDB_SGF_SHIFT)
|
|
#define DSA_PDB_SGF_D (0x02 << DSA_PDB_SGF_SHIFT)
|
|
#define DSA_PDB_SGF_AB_SIGN (0x02 << DSA_PDB_SGF_SHIFT)
|
|
#define DSA_PDB_SGF_AB_VERIFY (0x01 << DSA_PDB_SGF_SHIFT)
|
|
|
|
#define DSA_PDB_L_SHIFT 7
|
|
#define DSA_PDB_L_MASK (0x3ff << DSA_PDB_L_SHIFT)
|
|
|
|
#define DSA_PDB_N_MASK 0x7f
|
|
|
|
struct dsa_sign_pdb {
|
|
u32 sgf_ln; /* Use DSA_PDB_ defintions per above */
|
|
u8 *q;
|
|
u8 *r;
|
|
u8 *g; /* or Gx,y */
|
|
u8 *s;
|
|
u8 *f;
|
|
u8 *c;
|
|
u8 *d;
|
|
u8 *ab; /* ECC only */
|
|
u8 *u;
|
|
};
|
|
|
|
struct dsa_verify_pdb {
|
|
u32 sgf_ln;
|
|
u8 *q;
|
|
u8 *r;
|
|
u8 *g; /* or Gx,y */
|
|
u8 *w; /* or Wx,y */
|
|
u8 *f;
|
|
u8 *c;
|
|
u8 *d;
|
|
u8 *tmp; /* temporary data block */
|
|
u8 *ab; /* only used if ECC processing */
|
|
};
|
|
|
|
#endif
|