/** * AMCC SoC PPC4xx Crypto Driver * * Copyright (c) 2008 Applied Micro Circuits Corporation. * All rights reserved. James Hsiao * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * This is the header file for AMCC Crypto offload Linux device driver for * use with Linux CryptoAPI. */ #ifndef __CRYPTO4XX_CORE_H__ #define __CRYPTO4XX_CORE_H__ #include #define PPC460SX_SDR0_SRST 0x201 #define PPC405EX_SDR0_SRST 0x200 #define PPC460EX_SDR0_SRST 0x201 #define PPC460EX_CE_RESET 0x08000000 #define PPC460SX_CE_RESET 0x20000000 #define PPC405EX_CE_RESET 0x00000008 #define CRYPTO4XX_CRYPTO_PRIORITY 300 //#define PPC4XX_LAST_PD 1022 //#define PPC4XX_NUM_PD 1023 #define PPC4XX_LAST_PD 511 #define PPC4XX_NUM_PD 512 #define PPC4XX_LAST_GD 1023 #define PPC4XX_NUM_GD 1024 #define PPC4XX_LAST_SD 63 #define PPC4XX_NUM_SD 64 #define PPC4XX_SD_BUFFER_SIZE 2048 #define PD_ENTRY_INUSE 1 #define PD_ENTRY_FREE 0 #define ERING_WAS_FULL 0xffffffff #if 0 #define CRYPTO4XX_DEBUG_LOG #define CRYPTO4XX_TXDEBUG #endif /* Debugging Macro */ #define CRYPTO4XX_HDR "CRYPTO4XX: " #define CRYPTO4XX_ERR(fmt, ...) \ printk(KERN_ERR CRYPTO4XX_HDR fmt "\n", ##__VA_ARGS__); #define CRYPTO4XX_LOG(fmt, ...) \ printk(KERN_INFO CRYPTO4XX_HDR fmt "\n", ##__VA_ARGS__); #if !defined(CRYPTO4XX_TXDEBUG) # define CRYPTO4XX_TXLOG(fmt, ...) # define CRYPTO4XX_TXDUMP(hdr, d, l) #else # define CRYPTO4XX_TXLOG(fmt, ...) \ do { \ printk(KERN_INFO CRYPTO4XX_HDR fmt "\n", ##__VA_ARGS__); \ } while(0); # define CRYPTO4XX_TXDUMP(hdr, d, l) \ do { \ print_hex_dump(KERN_INFO, CRYPTO4XX_HDR hdr, \ DUMP_PREFIX_ADDRESS, 16, 4, d, l, 1); \ } while(0); #endif #if !defined(CRYPTO4XX_DEBUG_LOG) # define CRYPTO4XX_DEBUG(fmt, ...) # define CRYPTO4XX_DEBUG_DUMP(hdr, fmt, ...) #else # define CRYPTO4XX_DEBUG(fmt, ...) \ do { \ printk(KERN_INFO CRYPTO4XX_HDR fmt "\n", ##__VA_ARGS__); \ } while(0); # define CRYPTO4XX_DEBUG_DUMP(hdr, d, l) \ do { \ print_hex_dump(KERN_INFO, CRYPTO4XX_HDR hdr, \ DUMP_PREFIX_ADDRESS, 16, 4, d, l, 1); \ } while(0); #endif struct crypto4xx_device; struct pd_uinfo { struct crypto4xx_device *dev; u32 state; u32 using_sd; u32 first_gd; /* first gather discriptor used by this packet */ u32 num_gd; /* number of gather discriptor used by this packet */ u32 first_sd; /* first scatter discriptor used by this packet */ u32 num_sd; /* number of scatter discriptors used by this packet */ void *sa_va; /* shadow sa, when using cp from ctx->sa */ u32 sa_pa; void *sr_va; /* state record for shadow sa */ u32 sr_pa; struct scatterlist *dest_va; struct crypto_async_request *async_req; /* base crypto request for this packet */ }; struct crypto4xx_device { struct crypto4xx_core_device *core_dev; char *name; u64 ce_phy_address; void __iomem *ce_base; void *pdr; /* base address of packet descriptor ring */ dma_addr_t pdr_pa; /* physical address used to program ce pdr_base_register */ phys_addr_t pdr_ocm_addr; void *gdr; /* gather descriptor ring */ dma_addr_t gdr_pa; /* physical address used to program ce gdr_base_register */ void *sdr; /* scatter descriptor ring */ dma_addr_t sdr_pa; /* physical address used to program ce sdr_base_register */ void *scatter_buffer_va; dma_addr_t scatter_buffer_pa; u32 scatter_buffer_size; void *shadow_sa_pool; /* pool of memory for sa in pd_uinfo */ dma_addr_t shadow_sa_pool_pa; void *shadow_sr_pool; /* pool of memory for sr in pd_uinfo */ dma_addr_t shadow_sr_pool_pa; u32 pdr_tail; u32 pdr_head; u32 gdr_tail; u32 gdr_head; u32 sdr_tail; u32 sdr_head; void *pdr_uinfo; struct list_head alg_list; /* List of algorithm supported by this device */ u32 pkt_cnt; u32 macsec_decrypt_num; }; struct crypto4xx_core_device { struct device *device; struct of_device *ofdev; struct crypto4xx_device *dev; u32 int_status; u32 irq; u64 irq_cnt; struct tasklet_struct tasklet; spinlock_t lock; struct timer_list crypto4xx_timer; int revb_ver; }; struct crypto4xx_ctx { struct crypto4xx_device *dev; void *sa_in; dma_addr_t sa_in_dma_addr; phys_addr_t sa_in_ocm_addr; void *sa_out; dma_addr_t sa_out_dma_addr; phys_addr_t sa_out_ocm_addr; void *arc4_state_record; dma_addr_t arc4_state_record_dma_addr; phys_addr_t arc4_state_ocm_addr; void *state_record; dma_addr_t state_record_dma_addr; phys_addr_t state_record_ocm_addr; u32 sa_len; u32 offset_to_sr_ptr; /* offset to state ptr, in dynamic sa */ u32 direction; u32 next_hdr; u32 save_iv; u32 pd_ctl_len; u32 pd_ctl; u32 append_icv; u32 is_gcm; u32 ctr_aes; u32 bypass; u32 init_arc4; u32 is_hash; u32 hash_final; u32 spi; u32 seq; u32 pad_block_size; u32 encap_uhl; u32 pad_ctl; u32 authenc; u32 hc_offset; }; struct crypto4xx_req_ctx { struct crypto4xx_device *dev; /* Device in which operation to send to */ void *sa; u32 sa_dma_addr; u16 sa_len; }; struct crypto4xx_alg_common { u32 type; union { struct crypto_alg cipher; struct ahash_alg hash; } u; }; struct crypto4xx_alg { struct list_head entry; struct crypto4xx_alg_common alg; struct crypto4xx_device *dev; }; static inline struct crypto4xx_alg *crypto_alg_to_crypto4xx_alg( struct crypto_alg *x) { switch (x->cra_flags & CRYPTO_ALG_TYPE_MASK) { case CRYPTO_ALG_TYPE_AHASH: return container_of(__crypto_ahash_alg(x), struct crypto4xx_alg, alg.u.hash); } return container_of(x, struct crypto4xx_alg, alg.u.cipher); } extern void my_dump_Data(const u_char* dptr, u_int size); extern int crypto4xx_alloc_sa(struct crypto4xx_ctx *ctx, u32 size); extern void crypto4xx_free_sa(struct crypto4xx_ctx *ctx); extern u32 crypto4xx_alloc_sa_rctx(struct crypto4xx_ctx *ctx, struct crypto4xx_ctx *rctx); extern void crypto4xx_free_sa_rctx(struct crypto4xx_ctx *rctx); extern void crypto4xx_free_ctx(struct crypto4xx_ctx *ctx); extern u32 crypto4xx_alloc_state_record(struct crypto4xx_ctx *ctx); extern void crypto4xx_free_state_record(struct crypto4xx_ctx *ctx); extern u32 crypto4xx_alloc_arc4_state_record(struct crypto4xx_ctx *ctx); extern void crypto4xx_free_arc4_state_record(struct crypto4xx_ctx *ctx); extern u32 get_dynamic_sa_offset_state_ptr_field(struct crypto4xx_ctx *ctx); extern u32 get_dynamic_sa_offset_key_field(struct crypto4xx_ctx *ctx); extern u32 get_dynamic_sa_iv_size(struct crypto4xx_ctx *ctx); u32 get_dynamic_sa_offset_arc4_state_ptr(struct crypto4xx_ctx *ctx); u32 get_dynamic_sa_offset_seq_num(struct crypto4xx_ctx *ctx); u32 get_dynamic_sa_offset_spi(struct crypto4xx_ctx *ctx); extern void crypto4xx_memcpy_le(unsigned int *dst, const unsigned char *buf, int len); extern u32 crypto4xx_build_pd(struct crypto_async_request *req, struct crypto4xx_ctx *ctx, struct scatterlist *src, struct scatterlist *dst, unsigned int datalen, struct scatterlist *assoc, u32 aad_len, void *iv, u32 iv_len); extern int crypto4xx_setkey_aes_cbc(struct crypto_ablkcipher *cipher, const u8 *key, unsigned int keylen); extern int crypto4xx_setkey_3des_cbc(struct crypto_ablkcipher *cipher, const u8 *key, unsigned int keylen); extern int crypto4xx_setkey_3des_ecb(struct crypto_ablkcipher *cipher, const u8 *key, unsigned int keylen); extern int crypto4xx_encrypt(struct ablkcipher_request *req); extern int crypto4xx_decrypt(struct ablkcipher_request *req); extern int crypto4xx_sha1_alg_init(struct crypto_tfm *tfm); extern int crypto4xx_hash_digest(struct ahash_request *req); extern int crypto4xx_hash_final(struct ahash_request *req); extern int crypto4xx_hash_update(struct ahash_request *req); extern int crypto4xx_hash_init(struct ahash_request *req); extern int crypto4xx_md5_alg_init(struct crypto_tfm *tfm); extern int crypto4xx_hash_hmac_setkey(struct crypto_ahash *hash, const u8 *key, unsigned int keylen, unsigned int sa_len, unsigned char ha, unsigned char hm, unsigned int max_keylen); extern int crypto4xx_md5_hmac_setkey(struct crypto_ahash *hash, const u8 *key, unsigned int keylen); extern int crypto4xx_sha1_alg_init(struct crypto_tfm *tfm); extern int crypto4xx_sha2_alg_init(struct crypto_tfm *tfm); extern int crypto4xx_sha2_hmac_setkey(struct crypto_ahash *hash, const u8 *key, unsigned int keylen); extern int crypto4xx_sha1_hmac_setkey(struct crypto_ahash *hash, const u8 *key, unsigned int keylen); extern u32 get_dynamic_sa_offset_inner_digest(struct crypto4xx_ctx *ctx); extern u32 get_dynamic_sa_offset_outer_digest(struct crypto4xx_ctx *ctx); extern int crypto4xx_pre_compute_hmac(struct crypto4xx_ctx *ctx, void *key, unsigned int keylen, unsigned int bs, unsigned char ha, unsigned char digs); int crypto4xx_setkey_aes_ecb(struct crypto_ablkcipher *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_aes_ofb(struct crypto_ablkcipher *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_aes_cfb(struct crypto_ablkcipher *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_aes_ctr(struct crypto_ablkcipher *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_aes_gcm(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_aes_ccm(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_encrypt_aes_gcm(struct aead_request *req); int crypto4xx_decrypt_aes_gcm(struct aead_request *req); int crypto4xx_encrypt_aes_ccm(struct aead_request *req); int crypto4xx_decrypt_aes_ccm(struct aead_request *req); int crypto4xx_encrypt_ctr(struct ablkcipher_request *req); int crypto4xx_decrypt_ctr(struct ablkcipher_request *req); int crypto4xx_setauthsize_aes(struct crypto_aead *ciper, unsigned int authsize); int crypto4xx_givencrypt_aes_ccm(struct aead_givcrypt_request *req); int crypto4xx_givencrypt_aes_gcm(struct aead_givcrypt_request *req); int crypto4xx_givdecrypt_aes_ccm(struct aead_givcrypt_request *req); int crypto4xx_givdecrypt_aes_gcm(struct aead_givcrypt_request *req); int crypto4xx_setkey_kasumi_f8(struct crypto_ablkcipher *cipher, const u8 *key, unsigned int keylen); int crypto4xx_encrypt_kasumi_f8(struct ablkcipher_request *req); int crypto4xx_decrypt_kasumi_f8(struct ablkcipher_request *req); int crypto4xx_setkey_kasumi_p(struct crypto_ablkcipher *cipher, const u8 *key, unsigned int keylen); int crypto4xx_kasumi_f9_digest(struct ahash_request *req); int crypto4xx_kasumi_f9_setkey(struct crypto_ahash *hash, const u8 *key, unsigned int keylen); int crypto4xx_xcbc_setkey(struct crypto_ahash *hash, const u8 *key, unsigned int keylen); int crypto4xx_setkey_arc4(struct crypto_ablkcipher *cipher, const u8 *key, unsigned int keylen); int crypto4xx_arc4_decrypt(struct ablkcipher_request *req); int crypto4xx_arc4_encrypt(struct ablkcipher_request *req); u32 crypto4xx_alloc_arc4_state_record(struct crypto4xx_ctx *ctx); int crypto4xx_setauthsize_aes_ccm(struct crypto_aead *ciper, unsigned int authsize); /* From crypto/md5.c */ extern void md5_get_immediate_hash(struct crypto_tfm *tfm, u8 *data); extern unsigned int crypto4xx_sa_hash_tbl[3][6]; /** IPSec Deneric Tunnel Related Routine Declarations */ int crypto4xx_encrypt_esp_cbc(struct aead_request *req); int crypto4xx_decrypt_esp_cbc(struct aead_request *req); int crypto4xx_givencrypt_esp_cbc(struct aead_givcrypt_request *req); /** IPSec Tunnel AES Routine Declarations */ int crypto4xx_setkey_tunnel_esp_cbc_aes_md5(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_tunnel_esp_cbc_aes_sha1(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_tunnel_esp_cbc_3des_md5(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_tunnel_esp_cbc_aes_sha512(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_tunnel_esp_cbc_aes_sha384(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_tunnel_esp_cbc_aes_sha224(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_tunnel_esp_cbc_aes_sha256(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); /** DES Tunnel Mode ipsec Related Algorithms */ int crypto4xx_setkey_tunnel_esp_cbc_des_md5(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_tunnel_esp_cbc_des_sha1(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_tunnel_esp_cbc_des_sha384(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_tunnel_esp_cbc_des_sha224(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_tunnel_esp_cbc_des_sha256(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_tunnel_esp_cbc_des_sha512(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); /** 3DES Tunnel Mode IPSEC Related Algorithms */ int crypto4xx_setkey_tunnel_esp_cbc_3des_md5(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_tunnel_esp_cbc_3des_sha1(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_tunnel_esp_cbc_3des_sha384(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_tunnel_esp_cbc_3des_sha224(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_tunnel_esp_cbc_3des_sha256(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_tunnel_esp_cbc_3des_sha512(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); /** Generic Transport Mode IPSEC Related Algorithms */ int crypto4xx_encrypt_transport_esp_cbc(struct aead_request *req); int crypto4xx_givencrypt_transport_esp_cbc(struct aead_givcrypt_request *req); int crypto4xx_decrypt_transport_esp_cbc(struct aead_request *req); /** AES Transport Mode IPSEC Related Algorithms */ int crypto4xx_setkey_transport_esp_cbc_aes_md5(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_transport_esp_cbc_aes_sha1(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_transport_esp_cbc_aes_sha224(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_transport_esp_cbc_aes_sha256(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_transport_esp_cbc_aes_sha384(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_transport_esp_cbc_aes_sha512(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); /** DES Transport Mode IPSEC Related Algorithms */ int crypto4xx_setkey_transport_esp_cbc_des_md5(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_transport_esp_cbc_des_sha1(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_transport_esp_cbc_des_sha224(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_transport_esp_cbc_des_sha256(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_transport_esp_cbc_des_sha384(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_transport_esp_cbc_des_sha512(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); /** 3DES Transport Mode IPSEC Related Algorithms */ int crypto4xx_setkey_transport_esp_cbc_3des_md5(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_transport_esp_cbc_3des_sha1(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_transport_esp_cbc_3des_sha224(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_transport_esp_cbc_3des_sha256(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_transport_esp_cbc_3des_sha384(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_transport_esp_cbc_3des_sha512(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); /**Macsec Related Declarations */ int crypto4xx_encrypt_macsec(struct aead_request *req); int crypto4xx_decrypt_macsec(struct aead_request *req); int crypto4xx_setkey_macsec_gcm(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); /** DTLS/SSL/TLS Related Setkey Algorithms */ int crypto4xx_setkey_dtls_aes_sha1(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_dtls_des_sha1(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_dtls_des3_sha1(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_dtls_null_sha1(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_dtls_null_md5(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_ssl_aes_sha1(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_ssl_des_sha1(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_ssl_null_md5(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_ssl_null_sha1(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_ssl_des3_sha1(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_ssl_arc4_sha1(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_ssl_arc4_md5(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_tls_aes_sha1(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_tls_des_sha1(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_tls_des3_sha1(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_tls_arc4_sha1(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_tls_arc4_md5(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_tls_null_md5(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_tls_null_sha1(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_tls1_1_aes_sha1(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_tls1_1_des_sha1(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_tls1_1_des3_sha1(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_tls1_1_arc4_sha1(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_tls1_1_arc4_md5(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_tls1_1_null_md5(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); int crypto4xx_setkey_tls1_1_null_sha1(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); /** DTLS/SSL/TLS Related Encrypt/Decrypt Algorithms */ int crypto4xx_encrypt_dtls(struct aead_request *req); int crypto4xx_decrypt_dtls(struct aead_request *req); int crypto4xx_encrypt_ssl_aes(struct aead_request *req); int crypto4xx_decrypt_ssl_aes(struct aead_request *req); int crypto4xx_encrypt_ssl_des(struct aead_request *req); int crypto4xx_decrypt_ssl_des(struct aead_request *req); int crypto4xx_encrypt_ssl_arc4(struct aead_request *req); int crypto4xx_decrypt_ssl_arc4(struct aead_request *req); int crypto4xx_encrypt_ssl_null(struct aead_request *req); int crypto4xx_decrypt_ssl_null(struct aead_request *req); int crypto4xx_setkey_transport_esp_rfc4106_gcm(struct crypto_aead *cipher, const u8 *key, unsigned int keylen); #endif