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Signed-off-by: Gagandeep Singh --- drivers/crypto/dpaa_sec/dpaa_sec.h | 3 +- drivers/crypto/dpaa_sec/dpaa_sec_raw_dp.c | 296 +++++++++++++++++++++- 2 files changed, 287 insertions(+), 12 deletions(-) diff --git a/drivers/crypto/dpaa_sec/dpaa_sec.h b/drivers/crypto/dpaa_sec/dpaa_sec.h index f6e83d46e7..2e0ab93ff0 100644 --- a/drivers/crypto/dpaa_sec/dpaa_sec.h +++ b/drivers/crypto/dpaa_sec/dpaa_sec.h @@ -135,7 +135,8 @@ typedef struct dpaa_sec_job* (*dpaa_sec_build_raw_dp_fd_t)(uint8_t *drv_ctx, struct rte_crypto_va_iova_ptr *digest, struct rte_crypto_va_iova_ptr *auth_iv, union rte_crypto_sym_ofs ofs, - void *userdata); + void *userdata, + struct qm_fd *fd); typedef struct dpaa_sec_session_entry { struct sec_cdb cdb; /**< cmd block associated with qp */ diff --git a/drivers/crypto/dpaa_sec/dpaa_sec_raw_dp.c b/drivers/crypto/dpaa_sec/dpaa_sec_raw_dp.c index ee0ca2e0d5..4e34629f18 100644 --- a/drivers/crypto/dpaa_sec/dpaa_sec_raw_dp.c +++ b/drivers/crypto/dpaa_sec/dpaa_sec_raw_dp.c @@ -12,6 +12,7 @@ #endif /* RTA header files */ +#include #include #include @@ -26,6 +27,17 @@ struct dpaa_sec_raw_dp_ctx { uint16_t cached_dequeue; }; +static inline int +is_encode(dpaa_sec_session *ses) +{ + return ses->dir == DIR_ENC; +} + +static inline int is_decode(dpaa_sec_session *ses) +{ + return ses->dir == DIR_DEC; +} + static __rte_always_inline int dpaa_sec_raw_enqueue_done(void *qp_data, uint8_t *drv_ctx, uint32_t n) { @@ -82,18 +94,276 @@ build_dpaa_raw_dp_auth_fd(uint8_t *drv_ctx, struct rte_crypto_va_iova_ptr *digest, struct rte_crypto_va_iova_ptr *auth_iv, union rte_crypto_sym_ofs ofs, - void *userdata) + void *userdata, + struct qm_fd *fd) { - RTE_SET_USED(drv_ctx); - RTE_SET_USED(sgl); RTE_SET_USED(dest_sgl); RTE_SET_USED(iv); - RTE_SET_USED(digest); RTE_SET_USED(auth_iv); - RTE_SET_USED(ofs); - RTE_SET_USED(userdata); + RTE_SET_USED(fd); - return NULL; + dpaa_sec_session *ses = + ((struct dpaa_sec_raw_dp_ctx *)drv_ctx)->session; + struct dpaa_sec_job *cf; + struct dpaa_sec_op_ctx *ctx; + struct qm_sg_entry *sg, *out_sg, *in_sg; + phys_addr_t start_addr; + uint8_t *old_digest, extra_segs; + int data_len, data_offset, total_len = 0; + unsigned int i; + + for (i = 0; i < sgl->num; i++) + total_len += sgl->vec[i].len; + + data_len = total_len - ofs.ofs.auth.head - ofs.ofs.auth.tail; + data_offset = ofs.ofs.auth.head; + + /* Support only length in bits for SNOW3G and ZUC */ + + if (is_decode(ses)) + extra_segs = 3; + else + extra_segs = 2; + + if (sgl->num > MAX_SG_ENTRIES) { + DPAA_SEC_DP_ERR("Auth: Max sec segs supported is %d", + MAX_SG_ENTRIES); + return NULL; + } + ctx = dpaa_sec_alloc_raw_ctx(ses, sgl->num * 2 + extra_segs); + if (!ctx) + return NULL; + + cf = &ctx->job; + ctx->userdata = (void *)userdata; + old_digest = ctx->digest; + + /* output */ + out_sg = &cf->sg[0]; + qm_sg_entry_set64(out_sg, digest->iova); + out_sg->length = ses->digest_length; + cpu_to_hw_sg(out_sg); + + /* input */ + in_sg = &cf->sg[1]; + /* need to extend the input to a compound frame */ + in_sg->extension = 1; + in_sg->final = 1; + in_sg->length = data_len; + qm_sg_entry_set64(in_sg, rte_dpaa_mem_vtop(&cf->sg[2])); + + /* 1st seg */ + sg = in_sg + 1; + + if (ses->iv.length) { + uint8_t *iv_ptr; + + iv_ptr = rte_crypto_op_ctod_offset(userdata, uint8_t *, + ses->iv.offset); + + if (ses->auth_alg == RTE_CRYPTO_AUTH_SNOW3G_UIA2) { + iv_ptr = conv_to_snow_f9_iv(iv_ptr); + sg->length = 12; + } else if (ses->auth_alg == RTE_CRYPTO_AUTH_ZUC_EIA3) { + iv_ptr = conv_to_zuc_eia_iv(iv_ptr); + sg->length = 8; + } else { + sg->length = ses->iv.length; + } + qm_sg_entry_set64(sg, rte_dpaa_mem_vtop(iv_ptr)); + in_sg->length += sg->length; + cpu_to_hw_sg(sg); + sg++; + } + + qm_sg_entry_set64(sg, sgl->vec[0].iova); + sg->offset = data_offset; + + if (data_len <= (int)(sgl->vec[0].len - data_offset)) { + sg->length = data_len; + } else { + sg->length = sgl->vec[0].len - data_offset; + + /* remaining i/p segs */ + for (i = 1; i < sgl->num; i++) { + cpu_to_hw_sg(sg); + sg++; + qm_sg_entry_set64(sg, sgl->vec[i].iova); + if (data_len > (int)sgl->vec[i].len) + sg->length = sgl->vec[0].len; + else + sg->length = data_len; + + data_len = data_len - sg->length; + if (data_len < 1) + break; + } + } + + if (is_decode(ses)) { + /* Digest verification case */ + cpu_to_hw_sg(sg); + sg++; + rte_memcpy(old_digest, digest->va, + ses->digest_length); + start_addr = rte_dpaa_mem_vtop(old_digest); + qm_sg_entry_set64(sg, start_addr); + sg->length = ses->digest_length; + in_sg->length += ses->digest_length; + } + sg->final = 1; + cpu_to_hw_sg(sg); + cpu_to_hw_sg(in_sg); + + return cf; +} + +static inline struct dpaa_sec_job * +build_dpaa_raw_dp_chain_fd(uint8_t *drv_ctx, + struct rte_crypto_sgl *sgl, + struct rte_crypto_sgl *dest_sgl, + struct rte_crypto_va_iova_ptr *iv, + struct rte_crypto_va_iova_ptr *digest, + struct rte_crypto_va_iova_ptr *auth_iv, + union rte_crypto_sym_ofs ofs, + void *userdata, + struct qm_fd *fd) +{ + RTE_SET_USED(auth_iv); + + dpaa_sec_session *ses = + ((struct dpaa_sec_raw_dp_ctx *)drv_ctx)->session; + struct dpaa_sec_job *cf; + struct dpaa_sec_op_ctx *ctx; + struct qm_sg_entry *sg, *out_sg, *in_sg; + uint8_t *IV_ptr = iv->va; + unsigned int i; + uint16_t auth_hdr_len = ofs.ofs.cipher.head - + ofs.ofs.auth.head; + uint16_t auth_tail_len = ofs.ofs.auth.tail; + uint32_t auth_only_len = (auth_tail_len << 16) | auth_hdr_len; + int data_len = 0, auth_len = 0, cipher_len = 0; + + for (i = 0; i < sgl->num; i++) + data_len += sgl->vec[i].len; + + cipher_len = data_len - ofs.ofs.cipher.head - ofs.ofs.cipher.tail; + auth_len = data_len - ofs.ofs.auth.head - ofs.ofs.auth.tail; + + if (sgl->num > MAX_SG_ENTRIES) { + DPAA_SEC_DP_ERR("Cipher-Auth: Max sec segs supported is %d", + MAX_SG_ENTRIES); + return NULL; + } + + ctx = dpaa_sec_alloc_raw_ctx(ses, sgl->num * 2 + 4); + if (!ctx) + return NULL; + + cf = &ctx->job; + ctx->userdata = (void *)userdata; + + rte_prefetch0(cf->sg); + + /* output */ + out_sg = &cf->sg[0]; + out_sg->extension = 1; + if (is_encode(ses)) + out_sg->length = cipher_len + ses->digest_length; + else + out_sg->length = cipher_len; + + /* output sg entries */ + sg = &cf->sg[2]; + qm_sg_entry_set64(out_sg, rte_dpaa_mem_vtop(sg)); + cpu_to_hw_sg(out_sg); + + /* 1st seg */ + if (dest_sgl) { + qm_sg_entry_set64(sg, dest_sgl->vec[0].iova); + sg->length = dest_sgl->vec[0].len - ofs.ofs.cipher.head; + sg->offset = ofs.ofs.cipher.head; + + /* Successive segs */ + for (i = 1; i < dest_sgl->num; i++) { + cpu_to_hw_sg(sg); + sg++; + qm_sg_entry_set64(sg, dest_sgl->vec[i].iova); + sg->length = dest_sgl->vec[i].len; + } + } else { + qm_sg_entry_set64(sg, sgl->vec[0].iova); + sg->length = sgl->vec[0].len - ofs.ofs.cipher.head; + sg->offset = ofs.ofs.cipher.head; + + /* Successive segs */ + for (i = 1; i < sgl->num; i++) { + cpu_to_hw_sg(sg); + sg++; + qm_sg_entry_set64(sg, sgl->vec[i].iova); + sg->length = sgl->vec[i].len; + } + } + + if (is_encode(ses)) { + cpu_to_hw_sg(sg); + /* set auth output */ + sg++; + qm_sg_entry_set64(sg, digest->iova); + sg->length = ses->digest_length; + } + sg->final = 1; + cpu_to_hw_sg(sg); + + /* input */ + in_sg = &cf->sg[1]; + in_sg->extension = 1; + in_sg->final = 1; + if (is_encode(ses)) + in_sg->length = ses->iv.length + auth_len; + else + in_sg->length = ses->iv.length + auth_len + + ses->digest_length; + + /* input sg entries */ + sg++; + qm_sg_entry_set64(in_sg, rte_dpaa_mem_vtop(sg)); + cpu_to_hw_sg(in_sg); + + /* 1st seg IV */ + qm_sg_entry_set64(sg, rte_dpaa_mem_vtop(IV_ptr)); + sg->length = ses->iv.length; + cpu_to_hw_sg(sg); + + /* 2 seg */ + sg++; + qm_sg_entry_set64(sg, sgl->vec[0].iova); + sg->length = sgl->vec[0].len - ofs.ofs.auth.head; + sg->offset = ofs.ofs.auth.head; + + /* Successive segs */ + for (i = 1; i < sgl->num; i++) { + cpu_to_hw_sg(sg); + sg++; + qm_sg_entry_set64(sg, sgl->vec[i].iova); + sg->length = sgl->vec[i].len; + } + + if (is_decode(ses)) { + cpu_to_hw_sg(sg); + sg++; + memcpy(ctx->digest, digest->va, + ses->digest_length); + qm_sg_entry_set64(sg, rte_dpaa_mem_vtop(ctx->digest)); + sg->length = ses->digest_length; + } + sg->final = 1; + cpu_to_hw_sg(sg); + + if (auth_only_len) + fd->cmd = 0x80000000 | auth_only_len; + + return cf; } static struct dpaa_sec_job * @@ -104,10 +374,13 @@ build_dpaa_raw_dp_cipher_fd(uint8_t *drv_ctx, struct rte_crypto_va_iova_ptr *digest, struct rte_crypto_va_iova_ptr *auth_iv, union rte_crypto_sym_ofs ofs, - void *userdata) + void *userdata, + struct qm_fd *fd) { RTE_SET_USED(digest); RTE_SET_USED(auth_iv); + RTE_SET_USED(fd); + dpaa_sec_session *ses = ((struct dpaa_sec_raw_dp_ctx *)drv_ctx)->session; struct dpaa_sec_job *cf; @@ -264,15 +537,14 @@ dpaa_sec_raw_enqueue_burst(void *qp_data, uint8_t *drv_ctx, &vec->digest[loop], &vec->auth_iv[loop], ofs, - user_data[loop]); + user_data[loop], + fd); if (!cf) { DPAA_SEC_ERR("error: Improper packet contents" " for crypto operation"); goto skip_tx; } inq[loop] = ses->inq[rte_lcore_id() % MAX_DPAA_CORES]; - fd->opaque_addr = 0; - fd->cmd = 0; qm_fd_addr_set64(fd, rte_dpaa_mem_vtop(cf->sg)); fd->_format1 = qm_fd_compound; fd->length29 = 2 * sizeof(struct qm_sg_entry); @@ -470,6 +742,8 @@ dpaa_sec_configure_raw_dp_ctx(struct rte_cryptodev *dev, uint16_t qp_id, sess->build_raw_dp_fd = build_dpaa_raw_dp_cipher_fd; else if (sess->ctxt == DPAA_SEC_AUTH) sess->build_raw_dp_fd = build_dpaa_raw_dp_auth_fd; + else if (sess->ctxt == DPAA_SEC_CIPHER_HASH) + sess->build_raw_dp_fd = build_dpaa_raw_dp_chain_fd; else return -ENOTSUP; dp_ctx = (struct dpaa_sec_raw_dp_ctx *)raw_dp_ctx->drv_ctx_data;