This commit fixes a problem with overwriting data in the OOP header in RAW API crypto processing when using chain, cipher and auth algorithms.
Signed-off-by: Arkadiusz Kusztal <arkadiuszx.kusz...@intel.com> --- drivers/crypto/qat/dev/qat_crypto_pmd_gens.h | 146 +++++++++++++++++++ drivers/crypto/qat/dev/qat_sym_pmd_gen1.c | 40 +++-- 2 files changed, 171 insertions(+), 15 deletions(-) diff --git a/drivers/crypto/qat/dev/qat_crypto_pmd_gens.h b/drivers/crypto/qat/dev/qat_crypto_pmd_gens.h index 35c1888082..af60b85985 100644 --- a/drivers/crypto/qat/dev/qat_crypto_pmd_gens.h +++ b/drivers/crypto/qat/dev/qat_crypto_pmd_gens.h @@ -146,6 +146,152 @@ qat_cipher_is_len_in_bits(struct qat_sym_session *ctx, return 0; } +struct qat_sym_req_mid_info { + uint32_t data_len; + union rte_crypto_sym_ofs ofs; +}; + +static inline +struct qat_sym_req_mid_info qat_sym_req_mid_set( + int *error, struct icp_qat_fw_la_bulk_req *const req, + struct qat_sym_op_cookie *const cookie, const void *const opaque, + const struct rte_crypto_sgl *sgl_src, const struct rte_crypto_sgl *sgl_dst, + const union rte_crypto_sym_ofs ofs) +{ + struct qat_sym_req_mid_info info = { }; /* Returned value */ + uint32_t src_tot_length = 0; + uint32_t dst_tot_length = 0; /* Used only for input validity checks */ + uint32_t src_length = 0; + uint32_t dst_length = 0; + uint64_t src_data_addr = 0; + uint64_t dst_data_addr = 0; + union rte_crypto_sym_ofs out_ofs = ofs; + const struct rte_crypto_vec * const vec_src = sgl_src->vec; + const struct rte_crypto_vec * const vec_dst = sgl_dst->vec; + const uint32_t n_src = sgl_src->num; + const uint32_t n_dst = sgl_dst->num; + const uint16_t offset = RTE_MIN(ofs.ofs.cipher.head, ofs.ofs.auth.head); + const uint8_t is_flat = !(n_src > 1 || n_dst > 1); /* Flat buffer or the SGL */ + const uint8_t is_in_place = !n_dst; /* In-place or out-of-place */ + + *error = 0; + if (unlikely((n_src < 1 || n_src > QAT_SYM_SGL_MAX_NUMBER) || + n_dst > QAT_SYM_SGL_MAX_NUMBER)) { + QAT_LOG(DEBUG, + "Invalid number of sgls, source no: %u, dst no: %u, opaque: %p", + n_src, n_dst, opaque); + *error = -1; + return info; + } + + /* --- Flat buffer --- */ + if (is_flat) { + src_data_addr = vec_src->iova; + dst_data_addr = vec_src->iova; + src_length = vec_src->len; + dst_length = vec_src->len; + + if (is_in_place) + goto done; + /* Out-of-place + * If OOP, we need to keep in mind that offset needs to + * start where the aead starts + */ + dst_length = vec_dst->len; + /* Comparision between different types, intentional */ + if (unlikely(offset > src_length || offset > dst_length)) { + QAT_LOG(DEBUG, + "Invalid size of the vector parameters, source length: %u, dst length: %u, opaque: %p", + src_length, dst_length, opaque); + *error = -1; + return info; + } + out_ofs.ofs.cipher.head -= offset; + out_ofs.ofs.auth.head -= offset; + src_data_addr += offset; + dst_data_addr = vec_dst->iova + offset; + src_length -= offset; + dst_length -= offset; + src_tot_length = src_length; + dst_tot_length = dst_length; + goto check; + } + + /* --- Scatter-gather list --- */ + struct qat_sgl * const qat_sgl_src = (struct qat_sgl *)&cookie->qat_sgl_src; + uint16_t i; + + ICP_QAT_FW_COMN_PTR_TYPE_SET(req->comn_hdr.comn_req_flags, + QAT_COMN_PTR_TYPE_SGL); + qat_sgl_src->num_bufs = n_src; + src_data_addr = cookie->qat_sgl_src_phys_addr; + /* Fill all the source buffers but the first one */ + for (i = 1; i < n_src; i++) { + qat_sgl_src->buffers[i].len = (vec_src + i)->len; + qat_sgl_src->buffers[i].addr = (vec_src + i)->iova; + src_tot_length += qat_sgl_src->buffers[i].len; + } + + if (is_in_place) { + /* SGL source first entry, no OOP */ + qat_sgl_src->buffers[0].len = vec_src->len; + qat_sgl_src->buffers[0].addr = vec_src->iova; + dst_data_addr = src_data_addr; + goto done; + } + /* Out-of-place */ + struct qat_sgl * const qat_sgl_dst = + (struct qat_sgl *)&cookie->qat_sgl_dst; + /* + * Offset reaching outside of the first buffer is not supported (RAW api). + * Integer promotion here, but it does not bother this time + */ + if (unlikely(offset > vec_src->len || offset > vec_dst->len)) { + QAT_LOG(DEBUG, + "Invalid size of the vector parameters, source length: %u, dst length: %u, opaque: %p", + vec_src->len, vec_dst->len, opaque); + *error = -1; + return info; + } + out_ofs.ofs.cipher.head -= offset; + out_ofs.ofs.auth.head -= offset; + /* SGL source first entry, adjusted to OOP offsets */ + qat_sgl_src->buffers[0].addr = vec_src->iova + offset; + qat_sgl_src->buffers[0].len = vec_src->len - offset; + /* SGL destination first entry, adjusted to OOP offsets */ + qat_sgl_dst->buffers[0].addr = vec_dst->iova + offset; + qat_sgl_dst->buffers[0].len = vec_dst->len - offset; + /* Fill the remaining destination buffers */ + for (i = 1; i < n_dst; i++) { + qat_sgl_dst->buffers[i].len = (vec_dst + i)->len; + qat_sgl_dst->buffers[i].addr = (vec_dst + i)->iova; + dst_tot_length += qat_sgl_dst->buffers[i].len; + } + dst_tot_length += qat_sgl_dst->buffers[0].len; + qat_sgl_dst->num_bufs = n_dst; + dst_data_addr = cookie->qat_sgl_dst_phys_addr; + +check: /* If error, return directly. If success, jump to one of these labels */ + if (src_tot_length != dst_tot_length) { + QAT_LOG(DEBUG, + "Source length is not equal to the destination length %u, dst no: %u, opaque: %p", + src_tot_length, dst_tot_length, opaque); + *error = -1; + return info; + } +done: + req->comn_mid.opaque_data = (uintptr_t)opaque; + req->comn_mid.src_data_addr = src_data_addr; + req->comn_mid.dest_data_addr = dst_data_addr; + req->comn_mid.src_length = src_length; + req->comn_mid.dst_length = dst_length; + + info.data_len = src_tot_length; + info.ofs = out_ofs; + + return info; +} + static __rte_always_inline int32_t qat_sym_build_req_set_data(struct icp_qat_fw_la_bulk_req *req, void *opaque, struct qat_sym_op_cookie *cookie, diff --git a/drivers/crypto/qat/dev/qat_sym_pmd_gen1.c b/drivers/crypto/qat/dev/qat_sym_pmd_gen1.c index 24e51a9318..f929eed53f 100644 --- a/drivers/crypto/qat/dev/qat_sym_pmd_gen1.c +++ b/drivers/crypto/qat/dev/qat_sym_pmd_gen1.c @@ -567,16 +567,20 @@ qat_sym_dp_enqueue_cipher_jobs_gen1(void *qp_data, uint8_t *drv_ctx, for (i = 0; i < n; i++) { struct qat_sym_op_cookie *cookie = qp->op_cookies[tail >> tx_queue->trailz]; + struct qat_sym_req_mid_info info = { }; + union rte_crypto_sym_ofs temp_ofs = ofs; + int error = 0; + temp_ofs.ofs.auth = temp_ofs.ofs.cipher; req = (struct icp_qat_fw_la_bulk_req *)( (uint8_t *)tx_queue->base_addr + tail); rte_mov128((uint8_t *)req, (const uint8_t *)&(ctx->fw_req)); if (vec->dest_sgl) { - data_len = qat_sym_build_req_set_data(req, - user_data[i], cookie, - vec->src_sgl[i].vec, vec->src_sgl[i].num, - vec->dest_sgl[i].vec, vec->dest_sgl[i].num); + info = qat_sym_req_mid_set(&error, req, cookie, user_data[i], + &vec->src_sgl[i], &vec->dest_sgl[i], temp_ofs); + data_len = info.data_len; + ofs = info.ofs; } else { data_len = qat_sym_build_req_set_data(req, user_data[i], cookie, @@ -584,7 +588,7 @@ qat_sym_dp_enqueue_cipher_jobs_gen1(void *qp_data, uint8_t *drv_ctx, vec->src_sgl[i].num, NULL, 0); } - if (unlikely(data_len < 0)) + if (unlikely(data_len < 0 || error)) break; if (ctx->is_zuc256) @@ -688,16 +692,20 @@ qat_sym_dp_enqueue_auth_jobs_gen1(void *qp_data, uint8_t *drv_ctx, for (i = 0; i < n; i++) { struct qat_sym_op_cookie *cookie = qp->op_cookies[tail >> tx_queue->trailz]; + struct qat_sym_req_mid_info info = { }; + union rte_crypto_sym_ofs temp_ofs = ofs; + int error = 0; + temp_ofs.ofs.cipher = temp_ofs.ofs.auth; req = (struct icp_qat_fw_la_bulk_req *)( (uint8_t *)tx_queue->base_addr + tail); rte_mov128((uint8_t *)req, (const uint8_t *)&(ctx->fw_req)); if (vec->dest_sgl) { - data_len = qat_sym_build_req_set_data(req, - user_data[i], cookie, - vec->src_sgl[i].vec, vec->src_sgl[i].num, - vec->dest_sgl[i].vec, vec->dest_sgl[i].num); + info = qat_sym_req_mid_set(&error, req, cookie, user_data[i], + &vec->src_sgl[i], &vec->dest_sgl[i], temp_ofs); + data_len = info.data_len; + ofs = info.ofs; } else { data_len = qat_sym_build_req_set_data(req, user_data[i], cookie, @@ -705,7 +713,7 @@ qat_sym_dp_enqueue_auth_jobs_gen1(void *qp_data, uint8_t *drv_ctx, vec->src_sgl[i].num, NULL, 0); } - if (unlikely(data_len < 0)) + if (unlikely(data_len < 0 || error)) break; if (ctx->is_zuc256) @@ -819,16 +827,18 @@ qat_sym_dp_enqueue_chain_jobs_gen1(void *qp_data, uint8_t *drv_ctx, for (i = 0; i < n; i++) { struct qat_sym_op_cookie *cookie = qp->op_cookies[tail >> tx_queue->trailz]; + struct qat_sym_req_mid_info info = { }; + int error = 0; req = (struct icp_qat_fw_la_bulk_req *)( (uint8_t *)tx_queue->base_addr + tail); rte_mov128((uint8_t *)req, (const uint8_t *)&(ctx->fw_req)); if (vec->dest_sgl) { - data_len = qat_sym_build_req_set_data(req, - user_data[i], cookie, - vec->src_sgl[i].vec, vec->src_sgl[i].num, - vec->dest_sgl[i].vec, vec->dest_sgl[i].num); + info = qat_sym_req_mid_set(&error, req, cookie, user_data[i], + &vec->src_sgl[i], &vec->dest_sgl[i], ofs); + data_len = info.data_len; + ofs = info.ofs; } else { data_len = qat_sym_build_req_set_data(req, user_data[i], cookie, @@ -836,7 +846,7 @@ qat_sym_dp_enqueue_chain_jobs_gen1(void *qp_data, uint8_t *drv_ctx, vec->src_sgl[i].num, NULL, 0); } - if (unlikely(data_len < 0)) + if (unlikely(data_len < 0 || error)) break; if (ctx->is_zuc256) { -- 2.43.0