t4_crypto.c File Reference

#include <sys/cdefs.h>
#include <sys/types.h>
#include <sys/bus.h>
#include <sys/lock.h>
#include <sys/malloc.h>
#include <sys/mutex.h>
#include <sys/module.h>
#include <sys/sglist.h>
#include <opencrypto/cryptodev.h>
#include <opencrypto/xform.h>
#include "cryptodev_if.h"
#include "common/common.h"
#include "crypto/t4_crypto.h"

Include dependency graph for t4_crypto.c:

Go to the source code of this file.

Data Structures
struct	ccr_session_hmac
struct	ccr_session_gmac
struct	ccr_session_ccm_mac
struct	ccr_session_cipher
struct	ccr_port
struct	ccr_session
struct	ccr_softc

Macros
#define	MAX_AAD_LEN   511
#define	MAX_RX_PHYS_DSGL_SGE   32
#define	DSGL_SGE_MAXLEN   2048
#define	MAX_REQUEST_SIZE   65535

Functions
	__FBSDID ("$FreeBSD$")
static	MALLOC_DEFINE (M_CCR, "ccr", "Chelsio T6 crypto")
static int	ccr_populate_sglist (struct sglist *sg, struct crypto_buffer *cb)
static int	ccr_count_sgl (struct sglist *sg, int maxsegsize)
static int	ccr_phys_dsgl_len (int nsegs)
static void	ccr_write_phys_dsgl (struct ccr_session *s, void *dst, int nsegs)
static int	ccr_ulptx_sgl_len (int nsegs)
static void	ccr_write_ulptx_sgl (struct ccr_session *s, void *dst, int nsegs)
static bool	ccr_use_imm_data (u_int transhdr_len, u_int input_len)
static void	ccr_populate_wreq (struct ccr_softc *sc, struct ccr_session *s, struct chcr_wr *crwr, u_int kctx_len, u_int wr_len, u_int imm_len, u_int sgl_len, u_int hash_size, struct cryptop *crp)
static int	ccr_hash (struct ccr_softc *sc, struct ccr_session *s, struct cryptop *crp)
static int	ccr_hash_done (struct ccr_softc *sc, struct ccr_session *s, struct cryptop *crp, const struct cpl_fw6_pld *cpl, int error)
static int	ccr_cipher (struct ccr_softc *sc, struct ccr_session *s, struct cryptop *crp)
static int	ccr_cipher_done (struct ccr_softc *sc, struct ccr_session *s, struct cryptop *crp, const struct cpl_fw6_pld *cpl, int error)
static int	ccr_hmac_ctrl (unsigned int hashsize, unsigned int authsize)
static int	ccr_eta (struct ccr_softc *sc, struct ccr_session *s, struct cryptop *crp)
static int	ccr_eta_done (struct ccr_softc *sc, struct ccr_session *s, struct cryptop *crp, const struct cpl_fw6_pld *cpl, int error)
static int	ccr_gcm (struct ccr_softc *sc, struct ccr_session *s, struct cryptop *crp)
static int	ccr_gcm_done (struct ccr_softc *sc, struct ccr_session *s, struct cryptop *crp, const struct cpl_fw6_pld *cpl, int error)
static int	ccr_ccm_hmac_ctrl (unsigned int authsize)
static void	generate_ccm_b0 (struct cryptop *crp, u_int hash_size_in_response, const char *iv, char *b0)
static int	ccr_ccm (struct ccr_softc *sc, struct ccr_session *s, struct cryptop *crp)
static int	ccr_ccm_done (struct ccr_softc *sc, struct ccr_session *s, struct cryptop *crp, const struct cpl_fw6_pld *cpl, int error)
static int	ccr_soft_done (struct cryptop *crp)
static void	ccr_soft (struct ccr_session *s, struct cryptop *crp)
static void	ccr_identify (driver_t *driver, device_t parent)
static int	ccr_probe (device_t dev)
static void	ccr_sysctls (struct ccr_softc *sc)
static void	ccr_init_port (struct ccr_softc *sc, int port)
static int	ccr_attach (device_t dev)
static void	ccr_free_port (struct ccr_softc *sc, int port)
static int	ccr_detach (device_t dev)
static void	ccr_init_hash_digest (struct ccr_session *s)
static bool	ccr_aes_check_keylen (int alg, int klen)
static void	ccr_aes_setkey (struct ccr_session *s, const void *key, int klen)
static bool	ccr_auth_supported (const struct crypto_session_params *csp)
static bool	ccr_cipher_supported (const struct crypto_session_params *csp)
static int	ccr_cipher_mode (const struct crypto_session_params *csp)
static int	ccr_probesession (device_t dev, const struct crypto_session_params *csp)
static struct ccr_port *	ccr_choose_port (struct ccr_softc *sc)
static void	ccr_delete_session (struct ccr_session *s)
static int	ccr_newsession (device_t dev, crypto_session_t cses, const struct crypto_session_params *csp)
static void	ccr_freesession (device_t dev, crypto_session_t cses)
static int	ccr_process (device_t dev, struct cryptop *crp, int hint)
static int	do_cpl6_fw_pld (struct sge_iq *iq, const struct rss_header *rss, struct mbuf *m)
static int	ccr_modevent (module_t mod, int cmd, void *arg)
	DRIVER_MODULE (ccr, t6nex, ccr_driver, ccr_devclass, ccr_modevent, NULL)
	MODULE_VERSION (ccr, 1)
	MODULE_DEPEND (ccr, crypto, 1, 1, 1)
	MODULE_DEPEND (ccr, t6nex, 1, 1, 1)

Variables
static device_method_t	ccr_methods []
static driver_t	ccr_driver
static devclass_t	ccr_devclass

Macro Definition Documentation

DSGL_SGE_MAXLEN

#define DSGL_SGE_MAXLEN   2048

Definition at line 131 of file t4_crypto.c.

MAX_AAD_LEN

#define MAX_AAD_LEN   511

Definition at line 122 of file t4_crypto.c.

MAX_REQUEST_SIZE

#define MAX_REQUEST_SIZE   65535

Definition at line 138 of file t4_crypto.c.

MAX_RX_PHYS_DSGL_SGE

#define MAX_RX_PHYS_DSGL_SGE   32

Definition at line 130 of file t4_crypto.c.

Function Documentation

__FBSDID()

__FBSDID

(

"$FreeBSD$"

)

ccr_aes_check_keylen()

static bool ccr_aes_check_keylen ( int  alg, int  klen  )

static

Definition at line 2062 of file t4_crypto.c.

Referenced by ccr_cipher_supported().

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ccr_aes_setkey()

static void ccr_aes_setkey ( struct ccr_session *  s, const void *  key, int  klen  )

static

Definition at line 2084 of file t4_crypto.c.

References CHCR_KEYCTX_CIPHER_KEY_SIZE_128, CHCR_KEYCTX_CIPHER_KEY_SIZE_192, CHCR_KEYCTX_CIPHER_KEY_SIZE_256, CHCR_KEYCTX_MAC_KEY_SIZE_128, CHCR_KEYCTX_MAC_KEY_SIZE_192, CHCR_KEYCTX_MAC_KEY_SIZE_256, CHCR_KEYCTX_NO_KEY, ccr_session::cipher, ccr_session_cipher::cipher_mode, ccr_session_cipher::deckey, ccr_session_cipher::enckey, ccr_session::hmac, ccr_session_cipher::key_ctx_hdr, ccr_session_cipher::key_len, ccr_session_hmac::mk_size, ccr_session::mode, ccr_session_hmac::partial_digest_len, SCMD_CIPH_MODE_AES_CBC, SCMD_CIPH_MODE_AES_XTS, t4_aes_getdeckey(), V_KEY_CONTEXT_CK_SIZE, V_KEY_CONTEXT_CTX_LEN, V_KEY_CONTEXT_DUAL_CK, V_KEY_CONTEXT_MK_SIZE, V_KEY_CONTEXT_OPAD_PRESENT, V_KEY_CONTEXT_SALT_PRESENT, and V_KEY_CONTEXT_VALID.

Referenced by ccr_newsession(), and ccr_process().

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ccr_attach()

static int ccr_attach ( device_t  dev )

static

Definition at line 1947 of file t4_crypto.c.

References sge_iq::abs_id, ccr_softc::adapter, ccr_init_port(), adapter::ccr_softc, ccr_sysctls(), ccr_softc::cid, ccr_softc::ctx, ccr_softc::dev, ccr_softc::first_rxq_id, for_each_port, sge_rxq::iq, ccr_softc::iv_aad_buf, ccr_softc::lock, MAX_AAD_LEN, sge::rxq, ccr_softc::sg_iv_aad, adapter::sge, ccr_softc::stats_ccm_decrypt, ccr_softc::stats_ccm_encrypt, ccr_softc::stats_cipher_decrypt, ccr_softc::stats_cipher_encrypt, ccr_softc::stats_eta_decrypt, ccr_softc::stats_eta_encrypt, ccr_softc::stats_gcm_decrypt, ccr_softc::stats_gcm_encrypt, ccr_softc::stats_hash, ccr_softc::stats_hmac, ccr_softc::stats_inflight, ccr_softc::stats_mac_error, ccr_softc::stats_pad_error, ccr_softc::stats_process_error, ccr_softc::stats_sglist_error, ccr_softc::stats_sw_fallback, and ccr_softc::stats_wr_nomem.

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ccr_auth_supported()

static bool ccr_auth_supported ( const struct crypto_session_params *  csp )

static

Definition at line 2161 of file t4_crypto.c.

Referenced by ccr_probesession().

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ccr_ccm()

static int ccr_ccm ( struct ccr_softc *  sc, struct ccr_session *  s, struct cryptop *  crp  )

static

Definition at line 1447 of file t4_crypto.c.

References cpl_tx_sec_pdu::aadstart_cipherstop_hi, ccr_softc::adapter, alloc_wrqe(), CCM_AAD_FIELD_SIZE, CCM_B0_SIZE, ccr_session::ccm_mac, ccr_ccm_hmac_ctrl(), ccr_count_sgl(), ccr_phys_dsgl_len(), ccr_populate_wreq(), ccr_ulptx_sgl_len(), ccr_use_imm_data(), ccr_write_phys_dsgl(), ccr_write_ulptx_sgl(), CHCR_DECRYPT_OP, CHCR_ENCRYPT_OP, CHCR_MAX_CRYPTO_IV_LEN, ccr_session::cipher, CIPHER_TRANSHDR_SIZE, cpl_tx_sec_pdu::cipherstop_lo_authinsert, ulptx_idata::cmd_more, CPL_TX_SEC_PDU, _key_ctx::ctx_hdr, DSGL_SGE_MAXLEN, ccr_session_cipher::enckey, generate_ccm_b0(), ccr_session_ccm_mac::hash_len, cpl_tx_sec_pdu::ivgen_hdrlen, _key_ctx::key, chcr_wr::key_ctx, ccr_session_cipher::key_ctx_hdr, ccr_session_cipher::key_len, ulptx_idata::len, MAX_AAD_LEN, MAX_REQUEST_SIZE, MAX_RX_PHYS_DSGL_SGE, cpl_tx_sec_pdu::op_ivinsrtofst, cpl_tx_sec_pdu::pldlen, ccr_session::port, ccr_port::rx_channel_id, SCMD_AUTH_MODE_CBCMAC, SCMD_CIPH_MODE_AES_CCM, SCMD_PROTO_VERSION_GENERIC, chcr_wr::sec_cpl, cpl_tx_sec_pdu::seqno_numivs, ccr_session::sg_dsgl, ccr_session::sg_input, ccr_softc::sg_iv_aad, ccr_session::sg_output, ccr_session::sg_ulptx, SGE_MAX_WR_LEN, ccr_softc::stats_wr_nomem, t4_wrq_tx(), ccr_port::txq, ULP_TX_SC_NOOP, V_CPL_TX_SEC_PDU_AADSTART, V_CPL_TX_SEC_PDU_AADSTOP, V_CPL_TX_SEC_PDU_ACKFOLLOWS, V_CPL_TX_SEC_PDU_AUTHINSERT, V_CPL_TX_SEC_PDU_AUTHSTART, V_CPL_TX_SEC_PDU_AUTHSTOP, V_CPL_TX_SEC_PDU_CIPHERSTART, V_CPL_TX_SEC_PDU_CIPHERSTOP_HI, V_CPL_TX_SEC_PDU_CIPHERSTOP_LO, V_CPL_TX_SEC_PDU_CPLLEN, V_CPL_TX_SEC_PDU_IVINSRTOFST, V_CPL_TX_SEC_PDU_OPCODE, V_CPL_TX_SEC_PDU_PLACEHOLDER, V_CPL_TX_SEC_PDU_RXCHID, V_CPL_TX_SEC_PDU_ULPTXLPBK, V_SCMD_AADIVDROP, V_SCMD_AUTH_MODE, V_SCMD_CIPH_AUTH_SEQ_CTRL, V_SCMD_CIPH_MODE, V_SCMD_ENC_DEC_CTRL, V_SCMD_HDR_LEN, V_SCMD_HMAC_CTRL, V_SCMD_IV_GEN_CTRL, V_SCMD_IV_SIZE, V_SCMD_LAST_FRAG, V_SCMD_MAC_ONLY, V_SCMD_MORE_FRAGS, V_SCMD_NUM_IVS, V_SCMD_PROTO_VERSION, V_SCMD_SEQ_NO_CTRL, V_ULPTX_CMD, wrqe::wr_len, and wrtod().

Referenced by ccr_process().

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ccr_ccm_done()

static int ccr_ccm_done ( struct ccr_softc *  sc, struct ccr_session *  s, struct cryptop *  crp, const struct cpl_fw6_pld *  cpl, int  error  )

static

Definition at line 1744 of file t4_crypto.c.

Referenced by do_cpl6_fw_pld().

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ccr_ccm_hmac_ctrl()

static int ccr_ccm_hmac_ctrl ( unsigned int  authsize )

static

Definition at line 1392 of file t4_crypto.c.

References SCMD_HMAC_CTRL_DIV2, SCMD_HMAC_CTRL_IPSEC_96BIT, SCMD_HMAC_CTRL_NO_TRUNC, SCMD_HMAC_CTRL_PL1, SCMD_HMAC_CTRL_PL2, SCMD_HMAC_CTRL_PL3, and SCMD_HMAC_CTRL_TRUNC_RFC4366.

Referenced by ccr_ccm().

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ccr_choose_port()

static struct ccr_port * ccr_choose_port ( struct ccr_softc *  sc )

static

Definition at line 2273 of file t4_crypto.c.

References ccr_port::active_sessions, sge_iq::adapter, sge_wrq::adapter, sge_rxq::iq, ccr_softc::lock, ccr_softc::port_mask, ccr_softc::ports, ccr_port::rxq, and ccr_port::txq.

Referenced by ccr_newsession().

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ccr_cipher()

static int ccr_cipher ( struct ccr_softc *  sc, struct ccr_session *  s, struct cryptop *  crp  )

static

Definition at line 622 of file t4_crypto.c.

References cpl_tx_sec_pdu::aadstart_cipherstop_hi, ccr_softc::adapter, alloc_wrqe(), ccr_count_sgl(), ccr_phys_dsgl_len(), ccr_populate_wreq(), ccr_ulptx_sgl_len(), ccr_use_imm_data(), ccr_write_phys_dsgl(), ccr_write_ulptx_sgl(), CHCR_DECRYPT_OP, CHCR_ENCRYPT_OP, CHCR_MAX_CRYPTO_IV_LEN, ccr_session::cipher, ccr_session_cipher::cipher_mode, CIPHER_TRANSHDR_SIZE, cpl_tx_sec_pdu::cipherstop_lo_authinsert, CPL_TX_SEC_PDU, _key_ctx::ctx_hdr, ccr_session_cipher::deckey, DSGL_SGE_MAXLEN, ccr_session_cipher::enckey, ccr_session_cipher::iv_len, cpl_tx_sec_pdu::ivgen_hdrlen, _key_ctx::key, chcr_wr::key_ctx, ccr_session_cipher::key_ctx_hdr, ccr_session_cipher::key_len, MAX_REQUEST_SIZE, MAX_RX_PHYS_DSGL_SGE, cpl_tx_sec_pdu::op_ivinsrtofst, cpl_tx_sec_pdu::pldlen, ccr_session::port, ccr_port::rx_channel_id, SCMD_AUTH_MODE_NOP, SCMD_CIPH_MODE_AES_CBC, SCMD_CIPH_MODE_AES_CTR, SCMD_CIPH_MODE_AES_XTS, SCMD_HMAC_CTRL_NOP, SCMD_PROTO_VERSION_GENERIC, chcr_wr::sec_cpl, cpl_tx_sec_pdu::seqno_numivs, ccr_session::sg_dsgl, ccr_session::sg_input, ccr_session::sg_output, ccr_session::sg_ulptx, SGE_MAX_WR_LEN, ccr_softc::stats_wr_nomem, t4_wrq_tx(), ccr_port::txq, V_CPL_TX_SEC_PDU_ACKFOLLOWS, V_CPL_TX_SEC_PDU_CIPHERSTART, V_CPL_TX_SEC_PDU_CIPHERSTOP_HI, V_CPL_TX_SEC_PDU_CIPHERSTOP_LO, V_CPL_TX_SEC_PDU_CPLLEN, V_CPL_TX_SEC_PDU_IVINSRTOFST, V_CPL_TX_SEC_PDU_OPCODE, V_CPL_TX_SEC_PDU_PLACEHOLDER, V_CPL_TX_SEC_PDU_RXCHID, V_CPL_TX_SEC_PDU_ULPTXLPBK, V_SCMD_AADIVDROP, V_SCMD_AUTH_MODE, V_SCMD_CIPH_MODE, V_SCMD_ENC_DEC_CTRL, V_SCMD_HDR_LEN, V_SCMD_HMAC_CTRL, V_SCMD_IV_GEN_CTRL, V_SCMD_IV_SIZE, V_SCMD_LAST_FRAG, V_SCMD_MAC_ONLY, V_SCMD_MORE_FRAGS, V_SCMD_NUM_IVS, V_SCMD_PROTO_VERSION, V_SCMD_SEQ_NO_CTRL, wrqe::wr_len, and wrtod().

Referenced by ccr_process().

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ccr_cipher_done()

static int ccr_cipher_done ( struct ccr_softc *  sc, struct ccr_session *  s, struct cryptop *  crp, const struct cpl_fw6_pld *  cpl, int  error  )

static

Definition at line 784 of file t4_crypto.c.

Referenced by do_cpl6_fw_pld().

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ccr_cipher_mode()

static int ccr_cipher_mode ( const struct crypto_session_params *  csp )

static

Definition at line 2207 of file t4_crypto.c.

References SCMD_CIPH_MODE_AES_CBC, SCMD_CIPH_MODE_AES_CCM, SCMD_CIPH_MODE_AES_CTR, SCMD_CIPH_MODE_AES_GCM, SCMD_CIPH_MODE_AES_XTS, and SCMD_CIPH_MODE_NOP.

Referenced by ccr_newsession(), and ccr_probesession().

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ccr_cipher_supported()

static bool ccr_cipher_supported ( const struct crypto_session_params *  csp )

static

Definition at line 2183 of file t4_crypto.c.

References ccr_aes_check_keylen().

Referenced by ccr_probesession().

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ccr_count_sgl()

static int ccr_count_sgl ( struct sglist *  sg, int  maxsegsize  )

static

Definition at line 311 of file t4_crypto.c.

Referenced by ccr_ccm(), ccr_cipher(), ccr_eta(), and ccr_gcm().

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ccr_delete_session()

static void ccr_delete_session ( struct ccr_session *  s )

static

Definition at line 2307 of file t4_crypto.c.

References ccr_session::lock, ccr_session::sg_dsgl, ccr_session::sg_input, ccr_session::sg_output, ccr_session::sg_ulptx, and ccr_session::sw_session.

Referenced by ccr_freesession(), and ccr_newsession().

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ccr_detach()

static int ccr_detach ( device_t  dev )

static

Definition at line 2009 of file t4_crypto.c.

References ccr_softc::adapter, ccr_free_port(), adapter::ccr_softc, ccr_softc::cid, ccr_softc::ctx, ccr_softc::detaching, ccr_softc::dev, for_each_port, ccr_softc::iv_aad_buf, ccr_softc::lock, ccr_softc::sg_iv_aad, ccr_softc::stats_ccm_decrypt, ccr_softc::stats_ccm_encrypt, ccr_softc::stats_cipher_decrypt, ccr_softc::stats_cipher_encrypt, ccr_softc::stats_eta_decrypt, ccr_softc::stats_eta_encrypt, ccr_softc::stats_gcm_decrypt, ccr_softc::stats_gcm_encrypt, ccr_softc::stats_hash, ccr_softc::stats_hmac, ccr_softc::stats_inflight, ccr_softc::stats_mac_error, ccr_softc::stats_pad_error, ccr_softc::stats_process_error, ccr_softc::stats_sglist_error, ccr_softc::stats_sw_fallback, and ccr_softc::stats_wr_nomem.

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ccr_eta()

static int ccr_eta ( struct ccr_softc *  sc, struct ccr_session *  s, struct cryptop *  crp  )

static

Definition at line 814 of file t4_crypto.c.

References cpl_tx_sec_pdu::aadstart_cipherstop_hi, ccr_softc::adapter, alloc_wrqe(), ccr_session_hmac::auth_hash, ccr_session_hmac::auth_mode, ccr_count_sgl(), ccr_hmac_ctrl(), ccr_phys_dsgl_len(), ccr_populate_wreq(), ccr_ulptx_sgl_len(), ccr_use_imm_data(), ccr_write_phys_dsgl(), ccr_write_ulptx_sgl(), CHCR_DECRYPT_OP, CHCR_ENCRYPT_OP, CHCR_MAX_CRYPTO_IV_LEN, ccr_session::cipher, ccr_session_cipher::cipher_mode, CIPHER_TRANSHDR_SIZE, cpl_tx_sec_pdu::cipherstop_lo_authinsert, CPL_TX_SEC_PDU, _key_ctx::ctx_hdr, ccr_session_cipher::deckey, DSGL_SGE_MAXLEN, ccr_session_cipher::enckey, ccr_session_hmac::hash_len, ccr_session::hmac, ccr_session_cipher::iv_len, cpl_tx_sec_pdu::ivgen_hdrlen, _key_ctx::key, chcr_wr::key_ctx, ccr_session_cipher::key_ctx_hdr, ccr_session_cipher::key_len, MAX_AAD_LEN, MAX_REQUEST_SIZE, MAX_RX_PHYS_DSGL_SGE, cpl_tx_sec_pdu::op_ivinsrtofst, ccr_session_hmac::pads, ccr_session_hmac::partial_digest_len, cpl_tx_sec_pdu::pldlen, ccr_session::port, ccr_port::rx_channel_id, SCMD_CIPH_MODE_AES_CBC, SCMD_CIPH_MODE_AES_CTR, SCMD_CIPH_MODE_AES_XTS, SCMD_PROTO_VERSION_GENERIC, chcr_wr::sec_cpl, cpl_tx_sec_pdu::seqno_numivs, ccr_session::sg_dsgl, ccr_session::sg_input, ccr_softc::sg_iv_aad, ccr_session::sg_output, ccr_session::sg_ulptx, SGE_MAX_WR_LEN, ccr_softc::stats_wr_nomem, t4_wrq_tx(), ccr_port::txq, V_CPL_TX_SEC_PDU_AADSTART, V_CPL_TX_SEC_PDU_AADSTOP, V_CPL_TX_SEC_PDU_ACKFOLLOWS, V_CPL_TX_SEC_PDU_AUTHINSERT, V_CPL_TX_SEC_PDU_AUTHSTART, V_CPL_TX_SEC_PDU_AUTHSTOP, V_CPL_TX_SEC_PDU_CIPHERSTART, V_CPL_TX_SEC_PDU_CIPHERSTOP_HI, V_CPL_TX_SEC_PDU_CIPHERSTOP_LO, V_CPL_TX_SEC_PDU_CPLLEN, V_CPL_TX_SEC_PDU_IVINSRTOFST, V_CPL_TX_SEC_PDU_OPCODE, V_CPL_TX_SEC_PDU_PLACEHOLDER, V_CPL_TX_SEC_PDU_RXCHID, V_CPL_TX_SEC_PDU_ULPTXLPBK, V_SCMD_AADIVDROP, V_SCMD_AUTH_MODE, V_SCMD_CIPH_AUTH_SEQ_CTRL, V_SCMD_CIPH_MODE, V_SCMD_ENC_DEC_CTRL, V_SCMD_HDR_LEN, V_SCMD_HMAC_CTRL, V_SCMD_IV_GEN_CTRL, V_SCMD_IV_SIZE, V_SCMD_LAST_FRAG, V_SCMD_MAC_ONLY, V_SCMD_MORE_FRAGS, V_SCMD_NUM_IVS, V_SCMD_PROTO_VERSION, V_SCMD_SEQ_NO_CTRL, and wrtod().

Referenced by ccr_process().

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ccr_eta_done()

static int ccr_eta_done ( struct ccr_softc *  sc, struct ccr_session *  s, struct cryptop *  crp, const struct cpl_fw6_pld *  cpl, int  error  )

static

Definition at line 1107 of file t4_crypto.c.

Referenced by do_cpl6_fw_pld().

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ccr_free_port()

static void ccr_free_port ( struct ccr_softc *  sc, int  port  )

static

Definition at line 2001 of file t4_crypto.c.

References port, ccr_softc::ports, ccr_port::stats_completed, and ccr_port::stats_queued.

Referenced by ccr_detach().

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ccr_freesession()

static void ccr_freesession ( device_t  dev, crypto_session_t  cses  )

static

Definition at line 2506 of file t4_crypto.c.

References ccr_port::active_sessions, ccr_delete_session(), ccr_softc::lock, and ccr_session::port.

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ccr_gcm()

static int ccr_gcm ( struct ccr_softc *  sc, struct ccr_session *  s, struct cryptop *  crp  )

static

Definition at line 1119 of file t4_crypto.c.

References cpl_tx_sec_pdu::aadstart_cipherstop_hi, ccr_softc::adapter, alloc_wrqe(), ccr_count_sgl(), ccr_hmac_ctrl(), ccr_phys_dsgl_len(), ccr_populate_wreq(), ccr_ulptx_sgl_len(), ccr_use_imm_data(), ccr_write_phys_dsgl(), ccr_write_ulptx_sgl(), CHCR_DECRYPT_OP, CHCR_ENCRYPT_OP, CHCR_MAX_CRYPTO_IV_LEN, ccr_session::cipher, CIPHER_TRANSHDR_SIZE, cpl_tx_sec_pdu::cipherstop_lo_authinsert, CPL_TX_SEC_PDU, _key_ctx::ctx_hdr, DSGL_SGE_MAXLEN, ccr_session_cipher::enckey, ccr_session_gmac::ghash_h, ccr_session::gmac, ccr_session_gmac::hash_len, cpl_tx_sec_pdu::ivgen_hdrlen, _key_ctx::key, chcr_wr::key_ctx, ccr_session_cipher::key_ctx_hdr, ccr_session_cipher::key_len, MAX_AAD_LEN, MAX_REQUEST_SIZE, MAX_RX_PHYS_DSGL_SGE, cpl_tx_sec_pdu::op_ivinsrtofst, cpl_tx_sec_pdu::pldlen, ccr_session::port, ccr_port::rx_channel_id, SCMD_AUTH_MODE_GHASH, SCMD_CIPH_MODE_AES_GCM, SCMD_PROTO_VERSION_GENERIC, chcr_wr::sec_cpl, cpl_tx_sec_pdu::seqno_numivs, ccr_session::sg_dsgl, ccr_session::sg_input, ccr_softc::sg_iv_aad, ccr_session::sg_output, ccr_session::sg_ulptx, SGE_MAX_WR_LEN, ccr_softc::stats_wr_nomem, t4_wrq_tx(), ccr_port::txq, V_CPL_TX_SEC_PDU_AADSTART, V_CPL_TX_SEC_PDU_AADSTOP, V_CPL_TX_SEC_PDU_ACKFOLLOWS, V_CPL_TX_SEC_PDU_AUTHINSERT, V_CPL_TX_SEC_PDU_AUTHSTART, V_CPL_TX_SEC_PDU_AUTHSTOP, V_CPL_TX_SEC_PDU_CIPHERSTART, V_CPL_TX_SEC_PDU_CIPHERSTOP_HI, V_CPL_TX_SEC_PDU_CIPHERSTOP_LO, V_CPL_TX_SEC_PDU_CPLLEN, V_CPL_TX_SEC_PDU_IVINSRTOFST, V_CPL_TX_SEC_PDU_OPCODE, V_CPL_TX_SEC_PDU_PLACEHOLDER, V_CPL_TX_SEC_PDU_RXCHID, V_CPL_TX_SEC_PDU_ULPTXLPBK, V_SCMD_AADIVDROP, V_SCMD_AUTH_MODE, V_SCMD_CIPH_AUTH_SEQ_CTRL, V_SCMD_CIPH_MODE, V_SCMD_ENC_DEC_CTRL, V_SCMD_HDR_LEN, V_SCMD_HMAC_CTRL, V_SCMD_IV_GEN_CTRL, V_SCMD_IV_SIZE, V_SCMD_LAST_FRAG, V_SCMD_MAC_ONLY, V_SCMD_MORE_FRAGS, V_SCMD_NUM_IVS, V_SCMD_PROTO_VERSION, V_SCMD_SEQ_NO_CTRL, wrqe::wr_len, and wrtod().

Referenced by ccr_process().

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ccr_gcm_done()

static int ccr_gcm_done ( struct ccr_softc *  sc, struct ccr_session *  s, struct cryptop *  crp, const struct cpl_fw6_pld *  cpl, int  error  )

static

Definition at line 1378 of file t4_crypto.c.

Referenced by do_cpl6_fw_pld().

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ccr_hash()

static int ccr_hash ( struct ccr_softc *  sc, struct ccr_session *  s, struct cryptop *  crp  )

static

Definition at line 478 of file t4_crypto.c.

References ccr_softc::adapter, alloc_wrqe(), ccr_session_hmac::auth_hash, ccr_session_hmac::auth_mode, ccr_populate_wreq(), ccr_ulptx_sgl_len(), ccr_use_imm_data(), ccr_write_ulptx_sgl(), CHCR_KEYCTX_NO_KEY, cpl_tx_sec_pdu::cipherstop_lo_authinsert, CPL_TX_SEC_PDU, _key_ctx::ctx_hdr, DUMMY_BYTES, HASH_TRANSHDR_SIZE, ccr_session::hmac, cpl_tx_sec_pdu::ivgen_hdrlen, _key_ctx::key, chcr_wr::key_ctx, MAX_REQUEST_SIZE, ccr_session_hmac::mk_size, ccr_session::mode, cpl_tx_sec_pdu::op_ivinsrtofst, ccr_session_hmac::pads, ccr_session_hmac::partial_digest_len, cpl_tx_sec_pdu::pldlen, ccr_session::port, ccr_port::rx_channel_id, SCMD_CIPH_MODE_NOP, SCMD_HMAC_CTRL_NO_TRUNC, SCMD_HMAC_CTRL_NOP, SCMD_PROTO_VERSION_GENERIC, chcr_wr::sec_cpl, cpl_tx_sec_pdu::seqno_numivs, ccr_session::sg_input, ccr_session::sg_ulptx, SGE_MAX_WR_LEN, ccr_softc::stats_wr_nomem, t4_wrq_tx(), ccr_port::txq, V_CPL_TX_SEC_PDU_ACKFOLLOWS, V_CPL_TX_SEC_PDU_AUTHSTART, V_CPL_TX_SEC_PDU_AUTHSTOP, V_CPL_TX_SEC_PDU_CPLLEN, V_CPL_TX_SEC_PDU_IVINSRTOFST, V_CPL_TX_SEC_PDU_OPCODE, V_CPL_TX_SEC_PDU_PLACEHOLDER, V_CPL_TX_SEC_PDU_RXCHID, V_CPL_TX_SEC_PDU_ULPTXLPBK, V_KEY_CONTEXT_CK_SIZE, V_KEY_CONTEXT_CTX_LEN, V_KEY_CONTEXT_MK_SIZE, V_KEY_CONTEXT_OPAD_PRESENT, V_KEY_CONTEXT_SALT_PRESENT, V_KEY_CONTEXT_VALID, V_SCMD_AUTH_MODE, V_SCMD_CIPH_MODE, V_SCMD_HMAC_CTRL, V_SCMD_LAST_FRAG, V_SCMD_MAC_ONLY, V_SCMD_MORE_FRAGS, V_SCMD_PROTO_VERSION, V_SCMD_SEQ_NO_CTRL, and wrtod().

Referenced by ccr_process().

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ccr_hash_done()

static int ccr_hash_done ( struct ccr_softc *  sc, struct ccr_session *  s, struct cryptop *  crp, const struct cpl_fw6_pld *  cpl, int  error  )

static

Definition at line 602 of file t4_crypto.c.

References ccr_session_hmac::hash_len, and ccr_session::hmac.

Referenced by do_cpl6_fw_pld().

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ccr_hmac_ctrl()

static int ccr_hmac_ctrl ( unsigned int  hashsize, unsigned int  authsize  )

static

Definition at line 801 of file t4_crypto.c.

References SCMD_HMAC_CTRL_DIV2, SCMD_HMAC_CTRL_IPSEC_96BIT, SCMD_HMAC_CTRL_NO_TRUNC, and SCMD_HMAC_CTRL_TRUNC_RFC4366.

Referenced by ccr_eta(), and ccr_gcm().

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ccr_identify()

static void ccr_identify ( driver_t *  driver, device_t  parent  )

static

Definition at line 1803 of file t4_crypto.c.

References adapter::cryptocaps, and FW_CAPS_CONFIG_CRYPTO_LOOKASIDE.

ccr_init_hash_digest()

static void ccr_init_hash_digest ( struct ccr_session *  s )

static

Definition at line 2051 of file t4_crypto.c.

References ccr_session_hmac::auth_hash, ccr_session::hmac, ccr_session_hmac::pads, and t4_copy_partial_hash().

Referenced by ccr_newsession().

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ccr_init_port()

static void ccr_init_port ( struct ccr_softc *  sc, int  port  )

static

Definition at line 1922 of file t4_crypto.c.

References ccr_softc::adapter, sge::ctrlq, vi_info::first_rxq, adapter_params::fw_vers, FW_VERSION32, MAX_NPORTS, adapter::params, adapter::port, port, ccr_softc::port_mask, ccr_softc::ports, port_info::rx_c_chan, ccr_port::rx_channel_id, sge::rxq, ccr_port::rxq, adapter::sge, ccr_port::stats_completed, ccr_port::stats_queued, port_info::tx_chan, ccr_port::tx_channel_id, ccr_port::txq, and port_info::vi.

Referenced by ccr_attach().

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ccr_modevent()

static int ccr_modevent ( module_t  mod, int  cmd, void *  arg  )

static

Definition at line 2715 of file t4_crypto.c.

References CPL_FW6_PLD, do_cpl6_fw_pld(), and t4_register_cpl_handler().

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ccr_newsession()

static int ccr_newsession ( device_t  dev, crypto_session_t  cses, const struct crypto_session_params *  csp  )

static

Definition at line 2318 of file t4_crypto.c.

References ccr_port::active_sessions, ccr_session_hmac::auth_hash, ccr_session_hmac::auth_mode, ccr_session::ccm_mac, ccr_aes_setkey(), ccr_choose_port(), ccr_cipher_mode(), ccr_delete_session(), ccr_init_hash_digest(), CHCR_KEYCTX_MAC_KEY_SIZE_160, CHCR_KEYCTX_MAC_KEY_SIZE_256, CHCR_KEYCTX_MAC_KEY_SIZE_512, ccr_session::cipher, ccr_session_cipher::cipher_mode, ccr_softc::detaching, ccr_session_gmac::ghash_h, ccr_session::gmac, ccr_session_hmac::hash_len, ccr_session_gmac::hash_len, ccr_session_ccm_mac::hash_len, ccr_session::hmac, ccr_session_cipher::iv_len, ccr_session::lock, ccr_softc::lock, MAX_RX_PHYS_DSGL_SGE, ccr_session_hmac::mk_size, ccr_session::mode, ccr_session_hmac::pads, ccr_session_hmac::partial_digest_len, ccr_session::port, SCMD_AUTH_MODE_NOP, SCMD_AUTH_MODE_SHA1, SCMD_AUTH_MODE_SHA224, SCMD_AUTH_MODE_SHA256, SCMD_AUTH_MODE_SHA512_384, SCMD_AUTH_MODE_SHA512_512, SCMD_CIPH_MODE_AES_CCM, SCMD_CIPH_MODE_AES_GCM, SCMD_CIPH_MODE_NOP, ccr_session::sg_dsgl, ccr_session::sg_input, ccr_session::sg_output, ccr_session::sg_ulptx, ccr_session::sw_session, t4_init_gmac_hash(), t4_init_hmac_digest(), and TX_SGL_SEGS.

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ccr_phys_dsgl_len()

static int ccr_phys_dsgl_len ( int  nsegs )

inlinestatic

Definition at line 323 of file t4_crypto.c.

Referenced by ccr_ccm(), ccr_cipher(), ccr_eta(), and ccr_gcm().

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ccr_populate_sglist()

static int ccr_populate_sglist ( struct sglist *  sg, struct crypto_buffer *  cb  )

static

Definition at line 278 of file t4_crypto.c.

Referenced by ccr_process().

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ccr_populate_wreq()

static void ccr_populate_wreq ( struct ccr_softc *  sc, struct ccr_session *  s, struct chcr_wr *  crwr, u_int  kctx_len, u_int  wr_len, u_int  imm_len, u_int  sgl_len, u_int  hash_size, struct cryptop *  crp  )

static

Definition at line 431 of file t4_crypto.c.

References sge_iq::abs_id, ulp_txpkt::cmd_dest, ulptx_idata::cmd_more, fw_crypto_lookaside_wr::cookie, ccr_softc::first_rxq_id, FW_CRYPTO_LOOKASIDE_WR, sge_rxq::iq, IV_NOP, fw_crypto_lookaside_wr::key_addr, ulptx_idata::len, ulp_txpkt::len, fw_crypto_lookaside_wr::len16_pkd, fw_crypto_lookaside_wr::op_to_cctx_size, fw_crypto_lookaside_wr::pld_size_hash_size, ccr_session::port, ccr_port::rx_channel_id, fw_crypto_lookaside_wr::rx_chid_to_rx_q_id, ccr_port::rxq, chcr_wr::sc_imm, fw_crypto_lookaside_wr::session_id, ccr_port::tx_channel_id, ULP_TX_PKT, ULP_TX_SC_IMM, chcr_wr::ulptx, V_FW_CRYPTO_LOOKASIDE_WR_CCTX_LOC, V_FW_CRYPTO_LOOKASIDE_WR_CCTX_SIZE, V_FW_CRYPTO_LOOKASIDE_WR_COMPL, V_FW_CRYPTO_LOOKASIDE_WR_FQIDX, V_FW_CRYPTO_LOOKASIDE_WR_HASH_SIZE, V_FW_CRYPTO_LOOKASIDE_WR_IMM_LEN, V_FW_CRYPTO_LOOKASIDE_WR_IV, V_FW_CRYPTO_LOOKASIDE_WR_LCB, V_FW_CRYPTO_LOOKASIDE_WR_LEN16, V_FW_CRYPTO_LOOKASIDE_WR_OPCODE, V_FW_CRYPTO_LOOKASIDE_WR_PHASH, V_FW_CRYPTO_LOOKASIDE_WR_PLD_SIZE, V_FW_CRYPTO_LOOKASIDE_WR_RX_CHID, V_FW_CRYPTO_LOOKASIDE_WR_RX_Q_ID, V_FW_CRYPTO_LOOKASIDE_WR_TX_CH, V_ULP_TX_SC_MORE, V_ULP_TXPKT_CHANNELID, V_ULP_TXPKT_DATAMODIFY, V_ULP_TXPKT_DEST, V_ULP_TXPKT_FID, V_ULP_TXPKT_RO, V_ULPTX_CMD, and chcr_wr::wreq.

Referenced by ccr_ccm(), ccr_cipher(), ccr_eta(), ccr_gcm(), and ccr_hash().

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ccr_probe()

static int ccr_probe ( device_t  dev )

static

Definition at line 1814 of file t4_crypto.c.

References adapter::dev.

ccr_probesession()

static int ccr_probesession ( device_t  dev, const struct crypto_session_params *  csp  )

static

Definition at line 2227 of file t4_crypto.c.

References ccr_auth_supported(), ccr_cipher_mode(), ccr_cipher_supported(), and SCMD_CIPH_MODE_NOP.

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ccr_process()

static int ccr_process ( device_t  dev, struct cryptop *  crp, int  hint  )

static

Definition at line 2526 of file t4_crypto.c.

References ccr_session_hmac::auth_hash, ccr_session::CCM, ccr_aes_setkey(), ccr_ccm(), ccr_cipher(), ccr_eta(), ccr_gcm(), ccr_hash(), ccr_populate_sglist(), ccr_soft(), ccr_session::CIPHER, ccr_session::ETA, ccr_session::GCM, ccr_session_gmac::ghash_h, ccr_session::gmac, ccr_session::HASH, ccr_session::HMAC, ccr_session::hmac, ccr_session::lock, ccr_session::mode, ccr_session_hmac::pads, ccr_session_hmac::partial_digest_len, ccr_session::port, ccr_session::sg_input, ccr_session::sg_output, ccr_softc::stats_ccm_decrypt, ccr_softc::stats_ccm_encrypt, ccr_softc::stats_cipher_decrypt, ccr_softc::stats_cipher_encrypt, ccr_softc::stats_eta_decrypt, ccr_softc::stats_eta_encrypt, ccr_softc::stats_gcm_decrypt, ccr_softc::stats_gcm_encrypt, ccr_softc::stats_hash, ccr_softc::stats_hmac, ccr_softc::stats_inflight, ccr_softc::stats_process_error, ccr_port::stats_queued, ccr_softc::stats_sglist_error, ccr_softc::stats_sw_fallback, t4_init_gmac_hash(), and t4_init_hmac_digest().

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ccr_soft()

static void ccr_soft ( struct ccr_session *  s, struct cryptop *  crp  )

static

Definition at line 1775 of file t4_crypto.c.

References ccr_soft_done(), and ccr_session::sw_session.

Referenced by ccr_process().

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ccr_soft_done()

static int ccr_soft_done ( struct cryptop *  crp )

static

Definition at line 1763 of file t4_crypto.c.

Referenced by ccr_soft().

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ccr_sysctls()

static void ccr_sysctls ( struct ccr_softc *  sc )

static

Definition at line 1822 of file t4_crypto.c.

References ccr_port::active_sessions, ccr_softc::ctx, ccr_softc::dev, ccr_softc::port_mask, ccr_softc::ports, ccr_port::rxq, ccr_softc::stats_ccm_decrypt, ccr_softc::stats_ccm_encrypt, ccr_softc::stats_cipher_decrypt, ccr_softc::stats_cipher_encrypt, ccr_port::stats_completed, ccr_softc::stats_eta_decrypt, ccr_softc::stats_eta_encrypt, ccr_softc::stats_gcm_decrypt, ccr_softc::stats_gcm_encrypt, ccr_softc::stats_hash, ccr_softc::stats_hmac, ccr_softc::stats_inflight, ccr_softc::stats_mac_error, ccr_softc::stats_pad_error, ccr_softc::stats_process_error, ccr_port::stats_queued, ccr_softc::stats_sglist_error, ccr_softc::stats_sw_fallback, and ccr_softc::stats_wr_nomem.

Referenced by ccr_attach().

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ccr_ulptx_sgl_len()

static int ccr_ulptx_sgl_len ( int  nsegs )

inlinestatic

Definition at line 385 of file t4_crypto.c.

Referenced by ccr_ccm(), ccr_cipher(), ccr_eta(), ccr_gcm(), and ccr_hash().

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ccr_use_imm_data()

static bool ccr_use_imm_data ( u_int  transhdr_len, u_int  input_len  )

static

Definition at line 419 of file t4_crypto.c.

References CRYPTO_MAX_IMM_TX_PKT_LEN, and SGE_MAX_WR_LEN.

Referenced by ccr_ccm(), ccr_cipher(), ccr_eta(), ccr_gcm(), and ccr_hash().

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ccr_write_phys_dsgl()

static void ccr_write_phys_dsgl ( struct ccr_session *  s, void *  dst, int  nsegs  )

static

Definition at line 336 of file t4_crypto.c.

References sge_iq::abs_id, phys_sge_pairs::addr, rss_header::channel, CPL_RX_PHYS_ADDR, CPL_RX_PHYS_DSGL, DSGL_SGE_MAXLEN, rss_header::hash_val, sge_rxq::iq, phys_sge_pairs::len, cpl_rx_phys_dsgl::op_to_tid, rss_header::opcode, cpl_rx_phys_dsgl::pcirlxorder_to_noofsgentr, ccr_session::port, rss_header::qid, cpl_rx_phys_dsgl::rss_hdr_int, ccr_port::rx_channel_id, ccr_port::rxq, ccr_session::sg_dsgl, V_CPL_RX_PHYS_DSGL_DCAID, V_CPL_RX_PHYS_DSGL_ISRDMA, V_CPL_RX_PHYS_DSGL_NOOFSGENTR, V_CPL_RX_PHYS_DSGL_OPCODE, V_CPL_RX_PHYS_DSGL_PCINOSNOOP, V_CPL_RX_PHYS_DSGL_PCIRLXORDER, and V_CPL_RX_PHYS_DSGL_PCITPHNTENB.

Referenced by ccr_ccm(), ccr_cipher(), ccr_eta(), and ccr_gcm().

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ccr_write_ulptx_sgl()

static void ccr_write_ulptx_sgl ( struct ccr_session *  s, void *  dst, int  nsegs  )

static

Definition at line 395 of file t4_crypto.c.

References ulptx_sge_pair::addr, ulptx_sgl::addr0, ulptx_sgl::cmd_nsge, ulptx_sge_pair::len, ulptx_sgl::len0, ccr_session::sg_ulptx, ulptx_sgl::sge, ss, ULP_TX_SC_DSGL, V_ULPTX_CMD, and V_ULPTX_NSGE.

Referenced by ccr_ccm(), ccr_cipher(), ccr_eta(), ccr_gcm(), and ccr_hash().

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do_cpl6_fw_pld()

static int do_cpl6_fw_pld ( struct sge_iq *  iq, const struct rss_header *  rss, struct mbuf *  m  )

static

Definition at line 2652 of file t4_crypto.c.

References sge_iq::adapter, ccr_ccm_done(), ccr_cipher_done(), ccr_eta_done(), ccr_gcm_done(), ccr_hash_done(), adapter::ccr_softc, CHK_MAC_ERR_BIT, CHK_PAD_ERR_BIT, cpl_fw6_pld::data, iq, ccr_session::lock, ccr_session::mode, ccr_session::port, ccr_port::stats_completed, ccr_softc::stats_inflight, ccr_softc::stats_mac_error, and ccr_softc::stats_pad_error.

Referenced by ccr_modevent().

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DRIVER_MODULE()

DRIVER_MODULE	(	ccr	,
		t6nex	,
		ccr_driver	,
		ccr_devclass	,
		ccr_modevent	,
		NULL
	)

generate_ccm_b0()

static void generate_ccm_b0 ( struct cryptop *  crp, u_int  hash_size_in_response, const char *  iv, char *  b0  )

static

Definition at line 1415 of file t4_crypto.c.

References CCM_B0_SIZE.

Referenced by ccr_ccm().

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MALLOC_DEFINE()

static MALLOC_DEFINE ( M_CCR  , "ccr"  , "Chelsio T6 crypto"    )

static

MODULE_DEPEND() [1/2]

MODULE_DEPEND	(	ccr	,
		crypto	,
		1	,
		1	,
		1
	)

MODULE_DEPEND() [2/2]

MODULE_DEPEND	(	ccr	,
		t6nex	,
		1	,
		1	,
		1
	)

MODULE_VERSION()

MODULE_VERSION	(	ccr	,
		1
	)

Variable Documentation

ccr_devclass

devclass_t ccr_devclass

static

Definition at line 2750 of file t4_crypto.c.

ccr_driver

driver_t ccr_driver

static

Initial value:

= {
        "ccr",
        ccr_methods,
        sizeof(struct ccr_softc)
}

Definition at line 2744 of file t4_crypto.c.

ccr_methods

device_method_t ccr_methods[]

static

Initial value:

= {
        DEVMETHOD(device_identify,      ccr_identify),
        DEVMETHOD(device_probe,         ccr_probe),
        DEVMETHOD(device_attach,        ccr_attach),
        DEVMETHOD(device_detach,        ccr_detach),
 
        DEVMETHOD(cryptodev_probesession, ccr_probesession),
        DEVMETHOD(cryptodev_newsession, ccr_newsession),
        DEVMETHOD(cryptodev_freesession, ccr_freesession),
        DEVMETHOD(cryptodev_process,    ccr_process),
 
        DEVMETHOD_END
}

Definition at line 2730 of file t4_crypto.c.