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-rw-r--r--drivers/crypto/caam/desc.h16
-rw-r--r--drivers/crypto/caam/pdb.h401
2 files changed, 401 insertions, 16 deletions
diff --git a/drivers/crypto/caam/desc.h b/drivers/crypto/caam/desc.h
index a17c2958dab..af25e76c5f7 100644
--- a/drivers/crypto/caam/desc.h
+++ b/drivers/crypto/caam/desc.h
@@ -1585,20 +1585,4 @@
1585#define NFIFOENTRY_PLEN_SHIFT 0 1585#define NFIFOENTRY_PLEN_SHIFT 0
1586#define NFIFOENTRY_PLEN_MASK (0xFF << NFIFOENTRY_PLEN_SHIFT) 1586#define NFIFOENTRY_PLEN_MASK (0xFF << NFIFOENTRY_PLEN_SHIFT)
1587 1587
1588/*
1589 * PDB internal definitions
1590 */
1591
1592/* IPSec ESP CBC Encap/Decap Options */
1593#define PDBOPTS_ESPCBC_ARSNONE 0x00 /* no antireplay window */
1594#define PDBOPTS_ESPCBC_ARS32 0x40 /* 32-entry antireplay window */
1595#define PDBOPTS_ESPCBC_ARS64 0xc0 /* 64-entry antireplay window */
1596#define PDBOPTS_ESPCBC_IVSRC 0x20 /* IV comes from internal random gen */
1597#define PDBOPTS_ESPCBC_ESN 0x10 /* extended sequence included */
1598#define PDBOPTS_ESPCBC_OUTFMT 0x08 /* output only decapsulation (decap) */
1599#define PDBOPTS_ESPCBC_IPHDRSRC 0x08 /* IP header comes from PDB (encap) */
1600#define PDBOPTS_ESPCBC_INCIPHDR 0x04 /* Prepend IP header to output frame */
1601#define PDBOPTS_ESPCBC_IPVSN 0x02 /* process IPv6 header */
1602#define PDBOPTS_ESPCBC_TUNNEL 0x01 /* tunnel mode next-header byte */
1603
1604#endif /* DESC_H */ 1588#endif /* DESC_H */
diff --git a/drivers/crypto/caam/pdb.h b/drivers/crypto/caam/pdb.h
new file mode 100644
index 00000000000..62950d22ac1
--- /dev/null
+++ b/drivers/crypto/caam/pdb.h
@@ -0,0 +1,401 @@
1/*
2 * CAAM Protocol Data Block (PDB) definition header file
3 *
4 * Copyright 2008-2012 Freescale Semiconductor, Inc.
5 *
6 */
7
8#ifndef CAAM_PDB_H
9#define CAAM_PDB_H
10
11/*
12 * PDB- IPSec ESP Header Modification Options
13 */
14#define PDBHMO_ESP_DECAP_SHIFT 12
15#define PDBHMO_ESP_ENCAP_SHIFT 4
16/*
17 * Encap and Decap - Decrement TTL (Hop Limit) - Based on the value of the
18 * Options Byte IP version (IPvsn) field:
19 * if IPv4, decrement the inner IP header TTL field (byte 8);
20 * if IPv6 decrement the inner IP header Hop Limit field (byte 7).
21*/
22#define PDBHMO_ESP_DECAP_DEC_TTL (0x02 << PDBHMO_ESP_DECAP_SHIFT)
23#define PDBHMO_ESP_ENCAP_DEC_TTL (0x02 << PDBHMO_ESP_ENCAP_SHIFT)
24/*
25 * Decap - DiffServ Copy - Copy the IPv4 TOS or IPv6 Traffic Class byte
26 * from the outer IP header to the inner IP header.
27 */
28#define PDBHMO_ESP_DIFFSERV (0x01 << PDBHMO_ESP_DECAP_SHIFT)
29/*
30 * Encap- Copy DF bit -if an IPv4 tunnel mode outer IP header is coming from
31 * the PDB, copy the DF bit from the inner IP header to the outer IP header.
32 */
33#define PDBHMO_ESP_DFBIT (0x04 << PDBHMO_ESP_ENCAP_SHIFT)
34
35/*
36 * PDB - IPSec ESP Encap/Decap Options
37 */
38#define PDBOPTS_ESP_ARSNONE 0x00 /* no antireplay window */
39#define PDBOPTS_ESP_ARS32 0x40 /* 32-entry antireplay window */
40#define PDBOPTS_ESP_ARS64 0xc0 /* 64-entry antireplay window */
41#define PDBOPTS_ESP_IVSRC 0x20 /* IV comes from internal random gen */
42#define PDBOPTS_ESP_ESN 0x10 /* extended sequence included */
43#define PDBOPTS_ESP_OUTFMT 0x08 /* output only decapsulation (decap) */
44#define PDBOPTS_ESP_IPHDRSRC 0x08 /* IP header comes from PDB (encap) */
45#define PDBOPTS_ESP_INCIPHDR 0x04 /* Prepend IP header to output frame */
46#define PDBOPTS_ESP_IPVSN 0x02 /* process IPv6 header */
47#define PDBOPTS_ESP_TUNNEL 0x01 /* tunnel mode next-header byte */
48#define PDBOPTS_ESP_IPV6 0x02 /* ip header version is V6 */
49#define PDBOPTS_ESP_DIFFSERV 0x40 /* copy TOS/TC from inner iphdr */
50#define PDBOPTS_ESP_UPDATE_CSUM 0x80 /* encap-update ip header checksum */
51#define PDBOPTS_ESP_VERIFY_CSUM 0x20 /* decap-validate ip header checksum */
52
53/*
54 * General IPSec encap/decap PDB definitions
55 */
56struct ipsec_encap_cbc {
57 u32 iv[4];
58};
59
60struct ipsec_encap_ctr {
61 u32 ctr_nonce;
62 u32 ctr_initial;
63 u32 iv[2];
64};
65
66struct ipsec_encap_ccm {
67 u32 salt; /* lower 24 bits */
68 u8 b0_flags;
69 u8 ctr_flags;
70 u16 ctr_initial;
71 u32 iv[2];
72};
73
74struct ipsec_encap_gcm {
75 u32 salt; /* lower 24 bits */
76 u32 rsvd1;
77 u32 iv[2];
78};
79
80struct ipsec_encap_pdb {
81 u8 hmo_rsvd;
82 u8 ip_nh;
83 u8 ip_nh_offset;
84 u8 options;
85 u32 seq_num_ext_hi;
86 u32 seq_num;
87 union {
88 struct ipsec_encap_cbc cbc;
89 struct ipsec_encap_ctr ctr;
90 struct ipsec_encap_ccm ccm;
91 struct ipsec_encap_gcm gcm;
92 };
93 u32 spi;
94 u16 rsvd1;
95 u16 ip_hdr_len;
96 u32 ip_hdr[0]; /* optional IP Header content */
97};
98
99struct ipsec_decap_cbc {
100 u32 rsvd[2];
101};
102
103struct ipsec_decap_ctr {
104 u32 salt;
105 u32 ctr_initial;
106};
107
108struct ipsec_decap_ccm {
109 u32 salt;
110 u8 iv_flags;
111 u8 ctr_flags;
112 u16 ctr_initial;
113};
114
115struct ipsec_decap_gcm {
116 u32 salt;
117 u32 resvd;
118};
119
120struct ipsec_decap_pdb {
121 u16 hmo_ip_hdr_len;
122 u8 ip_nh_offset;
123 u8 options;
124 union {
125 struct ipsec_decap_cbc cbc;
126 struct ipsec_decap_ctr ctr;
127 struct ipsec_decap_ccm ccm;
128 struct ipsec_decap_gcm gcm;
129 };
130 u32 seq_num_ext_hi;
131 u32 seq_num;
132 u32 anti_replay[2];
133 u32 end_index[0];
134};
135
136/*
137 * IPSec ESP Datapath Protocol Override Register (DPOVRD)
138 */
139struct ipsec_deco_dpovrd {
140#define IPSEC_ENCAP_DECO_DPOVRD_USE 0x80
141 u8 ovrd_ecn;
142 u8 ip_hdr_len;
143 u8 nh_offset;
144 u8 next_header; /* reserved if decap */
145};
146
147/*
148 * IEEE 802.11i WiFi Protocol Data Block
149 */
150#define WIFI_PDBOPTS_FCS 0x01
151#define WIFI_PDBOPTS_AR 0x40
152
153struct wifi_encap_pdb {
154 u16 mac_hdr_len;
155 u8 rsvd;
156 u8 options;
157 u8 iv_flags;
158 u8 pri;
159 u16 pn1;
160 u32 pn2;
161 u16 frm_ctrl_mask;
162 u16 seq_ctrl_mask;
163 u8 rsvd1[2];
164 u8 cnst;
165 u8 key_id;
166 u8 ctr_flags;
167 u8 rsvd2;
168 u16 ctr_init;
169};
170
171struct wifi_decap_pdb {
172 u16 mac_hdr_len;
173 u8 rsvd;
174 u8 options;
175 u8 iv_flags;
176 u8 pri;
177 u16 pn1;
178 u32 pn2;
179 u16 frm_ctrl_mask;
180 u16 seq_ctrl_mask;
181 u8 rsvd1[4];
182 u8 ctr_flags;
183 u8 rsvd2;
184 u16 ctr_init;
185};
186
187/*
188 * IEEE 802.16 WiMAX Protocol Data Block
189 */
190#define WIMAX_PDBOPTS_FCS 0x01
191#define WIMAX_PDBOPTS_AR 0x40 /* decap only */
192
193struct wimax_encap_pdb {
194 u8 rsvd[3];
195 u8 options;
196 u32 nonce;
197 u8 b0_flags;
198 u8 ctr_flags;
199 u16 ctr_init;
200 /* begin DECO writeback region */