X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fcrypto%2Fcnxk%2Fcnxk_se.h;h=7959c4c7af8d3aa3ef3c4280195148c0c4c262ec;hb=582458001757555b244927d36459b519079c3fdc;hp=b5a16c4dbf05b6d9c64a75f9521bcf70040bbff8;hpb=eb43e39851b81b3b0215984118fccd69776e84fd;p=dpdk.git diff --git a/drivers/crypto/cnxk/cnxk_se.h b/drivers/crypto/cnxk/cnxk_se.h index b5a16c4dbf..7959c4c7af 100644 --- a/drivers/crypto/cnxk/cnxk_se.h +++ b/drivers/crypto/cnxk/cnxk_se.h @@ -6,7 +6,15 @@ #define _CNXK_SE_H_ #include -#include "roc_se.h" +#include "cnxk_cryptodev.h" +#include "cnxk_cryptodev_ops.h" + +#define SRC_IOV_SIZE \ + (sizeof(struct roc_se_iov_ptr) + \ + (sizeof(struct roc_se_buf_ptr) * ROC_SE_MAX_SG_CNT)) +#define DST_IOV_SIZE \ + (sizeof(struct roc_se_iov_ptr) + \ + (sizeof(struct roc_se_buf_ptr) * ROC_SE_MAX_SG_CNT)) struct cnxk_se_sess { uint16_t cpt_op : 4; @@ -28,6 +36,1631 @@ struct cnxk_se_sess { struct roc_se_ctx roc_se_ctx; } __rte_cache_aligned; +static inline void +pdcp_iv_copy(uint8_t *iv_d, uint8_t *iv_s, const uint8_t pdcp_alg_type) +{ + uint32_t *iv_s_temp, iv_temp[4]; + int j; + + if (pdcp_alg_type == ROC_SE_PDCP_ALG_TYPE_SNOW3G) { + /* + * DPDK seems to provide it in form of IV3 IV2 IV1 IV0 + * and BigEndian, MC needs it as IV0 IV1 IV2 IV3 + */ + + iv_s_temp = (uint32_t *)iv_s; + + for (j = 0; j < 4; j++) + iv_temp[j] = iv_s_temp[3 - j]; + memcpy(iv_d, iv_temp, 16); + } else { + /* ZUC doesn't need a swap */ + memcpy(iv_d, iv_s, 16); + } +} + +static __rte_always_inline int +cpt_mac_len_verify(struct rte_crypto_auth_xform *auth) +{ + uint16_t mac_len = auth->digest_length; + int ret; + + switch (auth->algo) { + case RTE_CRYPTO_AUTH_MD5: + case RTE_CRYPTO_AUTH_MD5_HMAC: + ret = (mac_len == 16) ? 0 : -1; + break; + case RTE_CRYPTO_AUTH_SHA1: + case RTE_CRYPTO_AUTH_SHA1_HMAC: + ret = (mac_len == 20) ? 0 : -1; + break; + case RTE_CRYPTO_AUTH_SHA224: + case RTE_CRYPTO_AUTH_SHA224_HMAC: + ret = (mac_len == 28) ? 0 : -1; + break; + case RTE_CRYPTO_AUTH_SHA256: + case RTE_CRYPTO_AUTH_SHA256_HMAC: + ret = (mac_len == 32) ? 0 : -1; + break; + case RTE_CRYPTO_AUTH_SHA384: + case RTE_CRYPTO_AUTH_SHA384_HMAC: + ret = (mac_len == 48) ? 0 : -1; + break; + case RTE_CRYPTO_AUTH_SHA512: + case RTE_CRYPTO_AUTH_SHA512_HMAC: + ret = (mac_len == 64) ? 0 : -1; + break; + case RTE_CRYPTO_AUTH_NULL: + ret = 0; + break; + default: + ret = -1; + } + + return ret; +} + +static __rte_always_inline void +cpt_fc_salt_update(struct roc_se_ctx *se_ctx, uint8_t *salt) +{ + struct roc_se_context *fctx = &se_ctx->se_ctx.fctx; + memcpy(fctx->enc.encr_iv, salt, 4); +} + +static __rte_always_inline uint32_t +fill_sg_comp(struct roc_se_sglist_comp *list, uint32_t i, phys_addr_t dma_addr, + uint32_t size) +{ + struct roc_se_sglist_comp *to = &list[i >> 2]; + + to->u.s.len[i % 4] = rte_cpu_to_be_16(size); + to->ptr[i % 4] = rte_cpu_to_be_64(dma_addr); + i++; + return i; +} + +static __rte_always_inline uint32_t +fill_sg_comp_from_buf(struct roc_se_sglist_comp *list, uint32_t i, + struct roc_se_buf_ptr *from) +{ + struct roc_se_sglist_comp *to = &list[i >> 2]; + + to->u.s.len[i % 4] = rte_cpu_to_be_16(from->size); + to->ptr[i % 4] = rte_cpu_to_be_64((uint64_t)from->vaddr); + i++; + return i; +} + +static __rte_always_inline uint32_t +fill_sg_comp_from_buf_min(struct roc_se_sglist_comp *list, uint32_t i, + struct roc_se_buf_ptr *from, uint32_t *psize) +{ + struct roc_se_sglist_comp *to = &list[i >> 2]; + uint32_t size = *psize; + uint32_t e_len; + + e_len = (size > from->size) ? from->size : size; + to->u.s.len[i % 4] = rte_cpu_to_be_16(e_len); + to->ptr[i % 4] = rte_cpu_to_be_64((uint64_t)from->vaddr); + *psize -= e_len; + i++; + return i; +} + +/* + * This fills the MC expected SGIO list + * from IOV given by user. + */ +static __rte_always_inline uint32_t +fill_sg_comp_from_iov(struct roc_se_sglist_comp *list, uint32_t i, + struct roc_se_iov_ptr *from, uint32_t from_offset, + uint32_t *psize, struct roc_se_buf_ptr *extra_buf, + uint32_t extra_offset) +{ + int32_t j; + uint32_t extra_len = extra_buf ? extra_buf->size : 0; + uint32_t size = *psize; + struct roc_se_buf_ptr *bufs; + + bufs = from->bufs; + for (j = 0; (j < from->buf_cnt) && size; j++) { + uint64_t e_vaddr; + uint32_t e_len; + struct roc_se_sglist_comp *to = &list[i >> 2]; + + if (unlikely(from_offset)) { + if (from_offset >= bufs[j].size) { + from_offset -= bufs[j].size; + continue; + } + e_vaddr = (uint64_t)bufs[j].vaddr + from_offset; + e_len = (size > (bufs[j].size - from_offset)) ? + (bufs[j].size - from_offset) : + size; + from_offset = 0; + } else { + e_vaddr = (uint64_t)bufs[j].vaddr; + e_len = (size > bufs[j].size) ? bufs[j].size : size; + } + + to->u.s.len[i % 4] = rte_cpu_to_be_16(e_len); + to->ptr[i % 4] = rte_cpu_to_be_64(e_vaddr); + + if (extra_len && (e_len >= extra_offset)) { + /* Break the data at given offset */ + uint32_t next_len = e_len - extra_offset; + uint64_t next_vaddr = e_vaddr + extra_offset; + + if (!extra_offset) { + i--; + } else { + e_len = extra_offset; + size -= e_len; + to->u.s.len[i % 4] = rte_cpu_to_be_16(e_len); + } + + extra_len = RTE_MIN(extra_len, size); + /* Insert extra data ptr */ + if (extra_len) { + i++; + to = &list[i >> 2]; + to->u.s.len[i % 4] = + rte_cpu_to_be_16(extra_len); + to->ptr[i % 4] = rte_cpu_to_be_64( + (uint64_t)extra_buf->vaddr); + size -= extra_len; + } + + next_len = RTE_MIN(next_len, size); + /* insert the rest of the data */ + if (next_len) { + i++; + to = &list[i >> 2]; + to->u.s.len[i % 4] = rte_cpu_to_be_16(next_len); + to->ptr[i % 4] = rte_cpu_to_be_64(next_vaddr); + size -= next_len; + } + extra_len = 0; + + } else { + size -= e_len; + } + if (extra_offset) + extra_offset -= size; + i++; + } + + *psize = size; + return (uint32_t)i; +} + +static __rte_always_inline int +cpt_digest_gen_prep(uint32_t flags, uint64_t d_lens, + struct roc_se_fc_params *params, struct cpt_inst_s *inst) +{ + void *m_vaddr = params->meta_buf.vaddr; + uint32_t size, i; + uint16_t data_len, mac_len, key_len; + roc_se_auth_type hash_type; + struct roc_se_ctx *ctx; + struct roc_se_sglist_comp *gather_comp; + struct roc_se_sglist_comp *scatter_comp; + uint8_t *in_buffer; + uint32_t g_size_bytes, s_size_bytes; + union cpt_inst_w4 cpt_inst_w4; + + ctx = params->ctx_buf.vaddr; + + hash_type = ctx->hash_type; + mac_len = ctx->mac_len; + key_len = ctx->auth_key_len; + data_len = ROC_SE_AUTH_DLEN(d_lens); + + /*GP op header */ + cpt_inst_w4.s.opcode_minor = 0; + cpt_inst_w4.s.param2 = ((uint16_t)hash_type << 8); + if (ctx->hmac) { + cpt_inst_w4.s.opcode_major = + ROC_SE_MAJOR_OP_HMAC | ROC_SE_DMA_MODE; + cpt_inst_w4.s.param1 = key_len; + cpt_inst_w4.s.dlen = data_len + RTE_ALIGN_CEIL(key_len, 8); + } else { + cpt_inst_w4.s.opcode_major = + ROC_SE_MAJOR_OP_HASH | ROC_SE_DMA_MODE; + cpt_inst_w4.s.param1 = 0; + cpt_inst_w4.s.dlen = data_len; + } + + /* Null auth only case enters the if */ + if (unlikely(!hash_type && !ctx->enc_cipher)) { + cpt_inst_w4.s.opcode_major = ROC_SE_MAJOR_OP_MISC; + /* Minor op is passthrough */ + cpt_inst_w4.s.opcode_minor = 0x03; + /* Send out completion code only */ + cpt_inst_w4.s.param2 = 0x1; + } + + /* DPTR has SG list */ + in_buffer = m_vaddr; + + ((uint16_t *)in_buffer)[0] = 0; + ((uint16_t *)in_buffer)[1] = 0; + + /* TODO Add error check if space will be sufficient */ + gather_comp = (struct roc_se_sglist_comp *)((uint8_t *)m_vaddr + 8); + + /* + * Input gather list + */ + + i = 0; + + if (ctx->hmac) { + uint64_t k_vaddr = (uint64_t)ctx->auth_key; + /* Key */ + i = fill_sg_comp(gather_comp, i, k_vaddr, + RTE_ALIGN_CEIL(key_len, 8)); + } + + /* input data */ + size = data_len; + if (size) { + i = fill_sg_comp_from_iov(gather_comp, i, params->src_iov, 0, + &size, NULL, 0); + if (unlikely(size)) { + plt_dp_err("Insufficient dst IOV size, short by %dB", + size); + return -1; + } + } else { + /* + * Looks like we need to support zero data + * gather ptr in case of hash & hmac + */ + i++; + } + ((uint16_t *)in_buffer)[2] = rte_cpu_to_be_16(i); + g_size_bytes = ((i + 3) / 4) * sizeof(struct roc_se_sglist_comp); + + /* + * Output Gather list + */ + + i = 0; + scatter_comp = (struct roc_se_sglist_comp *)((uint8_t *)gather_comp + + g_size_bytes); + + if (flags & ROC_SE_VALID_MAC_BUF) { + if (unlikely(params->mac_buf.size < mac_len)) { + plt_dp_err("Insufficient MAC size"); + return -1; + } + + size = mac_len; + i = fill_sg_comp_from_buf_min(scatter_comp, i, ¶ms->mac_buf, + &size); + } else { + size = mac_len; + i = fill_sg_comp_from_iov(scatter_comp, i, params->src_iov, + data_len, &size, NULL, 0); + if (unlikely(size)) { + plt_dp_err("Insufficient dst IOV size, short by %dB", + size); + return -1; + } + } + + ((uint16_t *)in_buffer)[3] = rte_cpu_to_be_16(i); + s_size_bytes = ((i + 3) / 4) * sizeof(struct roc_se_sglist_comp); + + size = g_size_bytes + s_size_bytes + ROC_SE_SG_LIST_HDR_SIZE; + + /* This is DPTR len in case of SG mode */ + cpt_inst_w4.s.dlen = size; + + inst->dptr = (uint64_t)in_buffer; + inst->w4.u64 = cpt_inst_w4.u64; + + return 0; +} + +static __rte_always_inline int +cpt_enc_hmac_prep(uint32_t flags, uint64_t d_offs, uint64_t d_lens, + struct roc_se_fc_params *fc_params, struct cpt_inst_s *inst) +{ + uint32_t iv_offset = 0; + int32_t inputlen, outputlen, enc_dlen, auth_dlen; + struct roc_se_ctx *se_ctx; + uint32_t cipher_type, hash_type; + uint32_t mac_len, size; + uint8_t iv_len = 16; + struct roc_se_buf_ptr *aad_buf = NULL; + uint32_t encr_offset, auth_offset; + uint32_t encr_data_len, auth_data_len, aad_len = 0; + uint32_t passthrough_len = 0; + union cpt_inst_w4 cpt_inst_w4; + void *offset_vaddr; + uint8_t op_minor; + + encr_offset = ROC_SE_ENCR_OFFSET(d_offs); + auth_offset = ROC_SE_AUTH_OFFSET(d_offs); + encr_data_len = ROC_SE_ENCR_DLEN(d_lens); + auth_data_len = ROC_SE_AUTH_DLEN(d_lens); + if (unlikely(flags & ROC_SE_VALID_AAD_BUF)) { + /* We don't support both AAD and auth data separately */ + auth_data_len = 0; + auth_offset = 0; + aad_len = fc_params->aad_buf.size; + aad_buf = &fc_params->aad_buf; + } + se_ctx = fc_params->ctx_buf.vaddr; + cipher_type = se_ctx->enc_cipher; + hash_type = se_ctx->hash_type; + mac_len = se_ctx->mac_len; + op_minor = se_ctx->template_w4.s.opcode_minor; + + if (unlikely(!(flags & ROC_SE_VALID_IV_BUF))) { + iv_len = 0; + iv_offset = ROC_SE_ENCR_IV_OFFSET(d_offs); + } + + if (unlikely(flags & ROC_SE_VALID_AAD_BUF)) { + /* + * When AAD is given, data above encr_offset is pass through + * Since AAD is given as separate pointer and not as offset, + * this is a special case as we need to fragment input data + * into passthrough + encr_data and then insert AAD in between. + */ + if (hash_type != ROC_SE_GMAC_TYPE) { + passthrough_len = encr_offset; + auth_offset = passthrough_len + iv_len; + encr_offset = passthrough_len + aad_len + iv_len; + auth_data_len = aad_len + encr_data_len; + } else { + passthrough_len = 16 + aad_len; + auth_offset = passthrough_len + iv_len; + auth_data_len = aad_len; + } + } else { + encr_offset += iv_len; + auth_offset += iv_len; + } + + /* Encryption */ + cpt_inst_w4.s.opcode_major = ROC_SE_MAJOR_OP_FC; + cpt_inst_w4.s.opcode_minor = ROC_SE_FC_MINOR_OP_ENCRYPT; + cpt_inst_w4.s.opcode_minor |= (uint64_t)op_minor; + + if (hash_type == ROC_SE_GMAC_TYPE) { + encr_offset = 0; + encr_data_len = 0; + } + + auth_dlen = auth_offset + auth_data_len; + enc_dlen = encr_data_len + encr_offset; + if (unlikely(encr_data_len & 0xf)) { + if ((cipher_type == ROC_SE_DES3_CBC) || + (cipher_type == ROC_SE_DES3_ECB)) + enc_dlen = + RTE_ALIGN_CEIL(encr_data_len, 8) + encr_offset; + else if (likely((cipher_type == ROC_SE_AES_CBC) || + (cipher_type == ROC_SE_AES_ECB))) + enc_dlen = + RTE_ALIGN_CEIL(encr_data_len, 8) + encr_offset; + } + + if (unlikely(auth_dlen > enc_dlen)) { + inputlen = auth_dlen; + outputlen = auth_dlen + mac_len; + } else { + inputlen = enc_dlen; + outputlen = enc_dlen + mac_len; + } + + if (op_minor & ROC_SE_FC_MINOR_OP_HMAC_FIRST) + outputlen = enc_dlen; + + /* GP op header */ + cpt_inst_w4.s.param1 = encr_data_len; + cpt_inst_w4.s.param2 = auth_data_len; + + /* + * In cn9k, cn10k since we have a limitation of + * IV & Offset control word not part of instruction + * and need to be part of Data Buffer, we check if + * head room is there and then only do the Direct mode processing + */ + if (likely((flags & ROC_SE_SINGLE_BUF_INPLACE) && + (flags & ROC_SE_SINGLE_BUF_HEADROOM))) { + void *dm_vaddr = fc_params->bufs[0].vaddr; + + /* Use Direct mode */ + + offset_vaddr = + (uint8_t *)dm_vaddr - ROC_SE_OFF_CTRL_LEN - iv_len; + + /* DPTR */ + inst->dptr = (uint64_t)offset_vaddr; + + /* RPTR should just exclude offset control word */ + inst->rptr = (uint64_t)dm_vaddr - iv_len; + + cpt_inst_w4.s.dlen = inputlen + ROC_SE_OFF_CTRL_LEN; + + if (likely(iv_len)) { + uint64_t *dest = (uint64_t *)((uint8_t *)offset_vaddr + + ROC_SE_OFF_CTRL_LEN); + uint64_t *src = fc_params->iv_buf; + dest[0] = src[0]; + dest[1] = src[1]; + } + + } else { + void *m_vaddr = fc_params->meta_buf.vaddr; + uint32_t i, g_size_bytes, s_size_bytes; + struct roc_se_sglist_comp *gather_comp; + struct roc_se_sglist_comp *scatter_comp; + uint8_t *in_buffer; + + /* This falls under strict SG mode */ + offset_vaddr = m_vaddr; + size = ROC_SE_OFF_CTRL_LEN + iv_len; + + m_vaddr = (uint8_t *)m_vaddr + size; + + cpt_inst_w4.s.opcode_major |= (uint64_t)ROC_SE_DMA_MODE; + + if (likely(iv_len)) { + uint64_t *dest = (uint64_t *)((uint8_t *)offset_vaddr + + ROC_SE_OFF_CTRL_LEN); + uint64_t *src = fc_params->iv_buf; + dest[0] = src[0]; + dest[1] = src[1]; + } + + /* DPTR has SG list */ + in_buffer = m_vaddr; + + ((uint16_t *)in_buffer)[0] = 0; + ((uint16_t *)in_buffer)[1] = 0; + + /* TODO Add error check if space will be sufficient */ + gather_comp = + (struct roc_se_sglist_comp *)((uint8_t *)m_vaddr + 8); + + /* + * Input Gather List + */ + + i = 0; + + /* Offset control word that includes iv */ + i = fill_sg_comp(gather_comp, i, (uint64_t)offset_vaddr, + ROC_SE_OFF_CTRL_LEN + iv_len); + + /* Add input data */ + size = inputlen - iv_len; + if (likely(size)) { + uint32_t aad_offset = aad_len ? passthrough_len : 0; + + if (unlikely(flags & ROC_SE_SINGLE_BUF_INPLACE)) { + i = fill_sg_comp_from_buf_min( + gather_comp, i, fc_params->bufs, &size); + } else { + i = fill_sg_comp_from_iov( + gather_comp, i, fc_params->src_iov, 0, + &size, aad_buf, aad_offset); + } + + if (unlikely(size)) { + plt_dp_err("Insufficient buffer space," + " size %d needed", + size); + return -1; + } + } + ((uint16_t *)in_buffer)[2] = rte_cpu_to_be_16(i); + g_size_bytes = + ((i + 3) / 4) * sizeof(struct roc_se_sglist_comp); + + /* + * Output Scatter list + */ + i = 0; + scatter_comp = + (struct roc_se_sglist_comp *)((uint8_t *)gather_comp + + g_size_bytes); + + /* Add IV */ + if (likely(iv_len)) { + i = fill_sg_comp(scatter_comp, i, + (uint64_t)offset_vaddr + + ROC_SE_OFF_CTRL_LEN, + iv_len); + } + + /* output data or output data + digest*/ + if (unlikely(flags & ROC_SE_VALID_MAC_BUF)) { + size = outputlen - iv_len - mac_len; + if (size) { + uint32_t aad_offset = + aad_len ? passthrough_len : 0; + + if (unlikely(flags & + ROC_SE_SINGLE_BUF_INPLACE)) { + i = fill_sg_comp_from_buf_min( + scatter_comp, i, + fc_params->bufs, &size); + } else { + i = fill_sg_comp_from_iov( + scatter_comp, i, + fc_params->dst_iov, 0, &size, + aad_buf, aad_offset); + } + if (unlikely(size)) { + plt_dp_err("Insufficient buffer" + " space, size %d needed", + size); + return -1; + } + } + /* mac_data */ + if (mac_len) { + i = fill_sg_comp_from_buf(scatter_comp, i, + &fc_params->mac_buf); + } + } else { + /* Output including mac */ + size = outputlen - iv_len; + if (likely(size)) { + uint32_t aad_offset = + aad_len ? passthrough_len : 0; + + if (unlikely(flags & + ROC_SE_SINGLE_BUF_INPLACE)) { + i = fill_sg_comp_from_buf_min( + scatter_comp, i, + fc_params->bufs, &size); + } else { + i = fill_sg_comp_from_iov( + scatter_comp, i, + fc_params->dst_iov, 0, &size, + aad_buf, aad_offset); + } + if (unlikely(size)) { + plt_dp_err("Insufficient buffer" + " space, size %d needed", + size); + return -1; + } + } + } + ((uint16_t *)in_buffer)[3] = rte_cpu_to_be_16(i); + s_size_bytes = + ((i + 3) / 4) * sizeof(struct roc_se_sglist_comp); + + size = g_size_bytes + s_size_bytes + ROC_SE_SG_LIST_HDR_SIZE; + + /* This is DPTR len in case of SG mode */ + cpt_inst_w4.s.dlen = size; + + inst->dptr = (uint64_t)in_buffer; + } + + if (unlikely((encr_offset >> 16) || (iv_offset >> 8) || + (auth_offset >> 8))) { + plt_dp_err("Offset not supported"); + plt_dp_err("enc_offset: %d", encr_offset); + plt_dp_err("iv_offset : %d", iv_offset); + plt_dp_err("auth_offset: %d", auth_offset); + return -1; + } + + *(uint64_t *)offset_vaddr = rte_cpu_to_be_64( + ((uint64_t)encr_offset << 16) | ((uint64_t)iv_offset << 8) | + ((uint64_t)auth_offset)); + + inst->w4.u64 = cpt_inst_w4.u64; + return 0; +} + +static __rte_always_inline int +cpt_dec_hmac_prep(uint32_t flags, uint64_t d_offs, uint64_t d_lens, + struct roc_se_fc_params *fc_params, struct cpt_inst_s *inst) +{ + uint32_t iv_offset = 0, size; + int32_t inputlen, outputlen, enc_dlen, auth_dlen; + struct roc_se_ctx *se_ctx; + int32_t hash_type, mac_len; + uint8_t iv_len = 16; + struct roc_se_buf_ptr *aad_buf = NULL; + uint32_t encr_offset, auth_offset; + uint32_t encr_data_len, auth_data_len, aad_len = 0; + uint32_t passthrough_len = 0; + union cpt_inst_w4 cpt_inst_w4; + void *offset_vaddr; + uint8_t op_minor; + + encr_offset = ROC_SE_ENCR_OFFSET(d_offs); + auth_offset = ROC_SE_AUTH_OFFSET(d_offs); + encr_data_len = ROC_SE_ENCR_DLEN(d_lens); + auth_data_len = ROC_SE_AUTH_DLEN(d_lens); + + if (unlikely(flags & ROC_SE_VALID_AAD_BUF)) { + /* We don't support both AAD and auth data separately */ + auth_data_len = 0; + auth_offset = 0; + aad_len = fc_params->aad_buf.size; + aad_buf = &fc_params->aad_buf; + } + + se_ctx = fc_params->ctx_buf.vaddr; + hash_type = se_ctx->hash_type; + mac_len = se_ctx->mac_len; + op_minor = se_ctx->template_w4.s.opcode_minor; + + if (unlikely(!(flags & ROC_SE_VALID_IV_BUF))) { + iv_len = 0; + iv_offset = ROC_SE_ENCR_IV_OFFSET(d_offs); + } + + if (unlikely(flags & ROC_SE_VALID_AAD_BUF)) { + /* + * When AAD is given, data above encr_offset is pass through + * Since AAD is given as separate pointer and not as offset, + * this is a special case as we need to fragment input data + * into passthrough + encr_data and then insert AAD in between. + */ + if (hash_type != ROC_SE_GMAC_TYPE) { + passthrough_len = encr_offset; + auth_offset = passthrough_len + iv_len; + encr_offset = passthrough_len + aad_len + iv_len; + auth_data_len = aad_len + encr_data_len; + } else { + passthrough_len = 16 + aad_len; + auth_offset = passthrough_len + iv_len; + auth_data_len = aad_len; + } + } else { + encr_offset += iv_len; + auth_offset += iv_len; + } + + /* Decryption */ + cpt_inst_w4.s.opcode_major = ROC_SE_MAJOR_OP_FC; + cpt_inst_w4.s.opcode_minor = ROC_SE_FC_MINOR_OP_DECRYPT; + cpt_inst_w4.s.opcode_minor |= (uint64_t)op_minor; + + if (hash_type == ROC_SE_GMAC_TYPE) { + encr_offset = 0; + encr_data_len = 0; + } + + enc_dlen = encr_offset + encr_data_len; + auth_dlen = auth_offset + auth_data_len; + + if (auth_dlen > enc_dlen) { + inputlen = auth_dlen + mac_len; + outputlen = auth_dlen; + } else { + inputlen = enc_dlen + mac_len; + outputlen = enc_dlen; + } + + if (op_minor & ROC_SE_FC_MINOR_OP_HMAC_FIRST) + outputlen = inputlen = enc_dlen; + + cpt_inst_w4.s.param1 = encr_data_len; + cpt_inst_w4.s.param2 = auth_data_len; + + /* + * In cn9k, cn10k since we have a limitation of + * IV & Offset control word not part of instruction + * and need to be part of Data Buffer, we check if + * head room is there and then only do the Direct mode processing + */ + if (likely((flags & ROC_SE_SINGLE_BUF_INPLACE) && + (flags & ROC_SE_SINGLE_BUF_HEADROOM))) { + void *dm_vaddr = fc_params->bufs[0].vaddr; + + /* Use Direct mode */ + + offset_vaddr = + (uint8_t *)dm_vaddr - ROC_SE_OFF_CTRL_LEN - iv_len; + inst->dptr = (uint64_t)offset_vaddr; + + /* RPTR should just exclude offset control word */ + inst->rptr = (uint64_t)dm_vaddr - iv_len; + + cpt_inst_w4.s.dlen = inputlen + ROC_SE_OFF_CTRL_LEN; + + if (likely(iv_len)) { + uint64_t *dest = (uint64_t *)((uint8_t *)offset_vaddr + + ROC_SE_OFF_CTRL_LEN); + uint64_t *src = fc_params->iv_buf; + dest[0] = src[0]; + dest[1] = src[1]; + } + + } else { + void *m_vaddr = fc_params->meta_buf.vaddr; + uint32_t g_size_bytes, s_size_bytes; + struct roc_se_sglist_comp *gather_comp; + struct roc_se_sglist_comp *scatter_comp; + uint8_t *in_buffer; + uint8_t i = 0; + + /* This falls under strict SG mode */ + offset_vaddr = m_vaddr; + size = ROC_SE_OFF_CTRL_LEN + iv_len; + + m_vaddr = (uint8_t *)m_vaddr + size; + + cpt_inst_w4.s.opcode_major |= (uint64_t)ROC_SE_DMA_MODE; + + if (likely(iv_len)) { + uint64_t *dest = (uint64_t *)((uint8_t *)offset_vaddr + + ROC_SE_OFF_CTRL_LEN); + uint64_t *src = fc_params->iv_buf; + dest[0] = src[0]; + dest[1] = src[1]; + } + + /* DPTR has SG list */ + in_buffer = m_vaddr; + + ((uint16_t *)in_buffer)[0] = 0; + ((uint16_t *)in_buffer)[1] = 0; + + /* TODO Add error check if space will be sufficient */ + gather_comp = + (struct roc_se_sglist_comp *)((uint8_t *)m_vaddr + 8); + + /* + * Input Gather List + */ + i = 0; + + /* Offset control word that includes iv */ + i = fill_sg_comp(gather_comp, i, (uint64_t)offset_vaddr, + ROC_SE_OFF_CTRL_LEN + iv_len); + + /* Add input data */ + if (flags & ROC_SE_VALID_MAC_BUF) { + size = inputlen - iv_len - mac_len; + if (size) { + /* input data only */ + if (unlikely(flags & + ROC_SE_SINGLE_BUF_INPLACE)) { + i = fill_sg_comp_from_buf_min( + gather_comp, i, fc_params->bufs, + &size); + } else { + uint32_t aad_offset = + aad_len ? passthrough_len : 0; + + i = fill_sg_comp_from_iov( + gather_comp, i, + fc_params->src_iov, 0, &size, + aad_buf, aad_offset); + } + if (unlikely(size)) { + plt_dp_err("Insufficient buffer" + " space, size %d needed", + size); + return -1; + } + } + + /* mac data */ + if (mac_len) { + i = fill_sg_comp_from_buf(gather_comp, i, + &fc_params->mac_buf); + } + } else { + /* input data + mac */ + size = inputlen - iv_len; + if (size) { + if (unlikely(flags & + ROC_SE_SINGLE_BUF_INPLACE)) { + i = fill_sg_comp_from_buf_min( + gather_comp, i, fc_params->bufs, + &size); + } else { + uint32_t aad_offset = + aad_len ? passthrough_len : 0; + + if (unlikely(!fc_params->src_iov)) { + plt_dp_err("Bad input args"); + return -1; + } + + i = fill_sg_comp_from_iov( + gather_comp, i, + fc_params->src_iov, 0, &size, + aad_buf, aad_offset); + } + + if (unlikely(size)) { + plt_dp_err("Insufficient buffer" + " space, size %d needed", + size); + return -1; + } + } + } + ((uint16_t *)in_buffer)[2] = rte_cpu_to_be_16(i); + g_size_bytes = + ((i + 3) / 4) * sizeof(struct roc_se_sglist_comp); + + /* + * Output Scatter List + */ + + i = 0; + scatter_comp = + (struct roc_se_sglist_comp *)((uint8_t *)gather_comp + + g_size_bytes); + + /* Add iv */ + if (iv_len) { + i = fill_sg_comp(scatter_comp, i, + (uint64_t)offset_vaddr + + ROC_SE_OFF_CTRL_LEN, + iv_len); + } + + /* Add output data */ + size = outputlen - iv_len; + if (size) { + if (unlikely(flags & ROC_SE_SINGLE_BUF_INPLACE)) { + /* handle single buffer here */ + i = fill_sg_comp_from_buf_min(scatter_comp, i, + fc_params->bufs, + &size); + } else { + uint32_t aad_offset = + aad_len ? passthrough_len : 0; + + if (unlikely(!fc_params->dst_iov)) { + plt_dp_err("Bad input args"); + return -1; + } + + i = fill_sg_comp_from_iov( + scatter_comp, i, fc_params->dst_iov, 0, + &size, aad_buf, aad_offset); + } + + if (unlikely(size)) { + plt_dp_err("Insufficient buffer space," + " size %d needed", + size); + return -1; + } + } + + ((uint16_t *)in_buffer)[3] = rte_cpu_to_be_16(i); + s_size_bytes = + ((i + 3) / 4) * sizeof(struct roc_se_sglist_comp); + + size = g_size_bytes + s_size_bytes + ROC_SE_SG_LIST_HDR_SIZE; + + /* This is DPTR len in case of SG mode */ + cpt_inst_w4.s.dlen = size; + + inst->dptr = (uint64_t)in_buffer; + } + + if (unlikely((encr_offset >> 16) || (iv_offset >> 8) || + (auth_offset >> 8))) { + plt_dp_err("Offset not supported"); + plt_dp_err("enc_offset: %d", encr_offset); + plt_dp_err("iv_offset : %d", iv_offset); + plt_dp_err("auth_offset: %d", auth_offset); + return -1; + } + + *(uint64_t *)offset_vaddr = rte_cpu_to_be_64( + ((uint64_t)encr_offset << 16) | ((uint64_t)iv_offset << 8) | + ((uint64_t)auth_offset)); + + inst->w4.u64 = cpt_inst_w4.u64; + return 0; +} + +static __rte_always_inline int +cpt_zuc_snow3g_prep(uint32_t req_flags, uint64_t d_offs, uint64_t d_lens, + struct roc_se_fc_params *params, struct cpt_inst_s *inst) +{ + uint32_t size; + int32_t inputlen, outputlen; + struct roc_se_ctx *se_ctx; + uint32_t mac_len = 0; + uint8_t pdcp_alg_type; + uint32_t encr_offset, auth_offset; + uint32_t encr_data_len, auth_data_len; + int flags, iv_len; + uint64_t offset_ctrl; + uint64_t *offset_vaddr; + uint8_t *iv_s; + union cpt_inst_w4 cpt_inst_w4; + + se_ctx = params->ctx_buf.vaddr; + flags = se_ctx->zsk_flags; + mac_len = se_ctx->mac_len; + pdcp_alg_type = se_ctx->pdcp_alg_type; + + cpt_inst_w4.s.opcode_major = ROC_SE_MAJOR_OP_ZUC_SNOW3G; + + cpt_inst_w4.s.opcode_minor = se_ctx->template_w4.s.opcode_minor; + + if (flags == 0x1) { + iv_s = params->auth_iv_buf; + iv_len = params->auth_iv_len; + + /* + * Microcode expects offsets in bytes + * TODO: Rounding off + */ + auth_data_len = ROC_SE_AUTH_DLEN(d_lens); + + /* EIA3 or UIA2 */ + auth_offset = ROC_SE_AUTH_OFFSET(d_offs); + auth_offset = auth_offset / 8; + + /* consider iv len */ + auth_offset += iv_len; + + inputlen = auth_offset + (RTE_ALIGN(auth_data_len, 8) / 8); + outputlen = mac_len; + + offset_ctrl = rte_cpu_to_be_64((uint64_t)auth_offset); + + encr_data_len = 0; + encr_offset = 0; + } else { + iv_s = params->iv_buf; + iv_len = params->cipher_iv_len; + + /* EEA3 or UEA2 */ + /* + * Microcode expects offsets in bytes + * TODO: Rounding off + */ + encr_data_len = ROC_SE_ENCR_DLEN(d_lens); + + encr_offset = ROC_SE_ENCR_OFFSET(d_offs); + encr_offset = encr_offset / 8; + /* consider iv len */ + encr_offset += iv_len; + + inputlen = encr_offset + (RTE_ALIGN(encr_data_len, 8) / 8); + outputlen = inputlen; + + /* iv offset is 0 */ + offset_ctrl = rte_cpu_to_be_64((uint64_t)encr_offset << 16); + + auth_data_len = 0; + auth_offset = 0; + } + + if (unlikely((encr_offset >> 16) || (auth_offset >> 8))) { + plt_dp_err("Offset not supported"); + plt_dp_err("enc_offset: %d", encr_offset); + plt_dp_err("auth_offset: %d", auth_offset); + return -1; + } + + /* + * GP op header, lengths are expected in bits. + */ + cpt_inst_w4.s.param1 = encr_data_len; + cpt_inst_w4.s.param2 = auth_data_len; + + /* + * In cn9k, cn10k since we have a limitation of + * IV & Offset control word not part of instruction + * and need to be part of Data Buffer, we check if + * head room is there and then only do the Direct mode processing + */ + if (likely((req_flags & ROC_SE_SINGLE_BUF_INPLACE) && + (req_flags & ROC_SE_SINGLE_BUF_HEADROOM))) { + void *dm_vaddr = params->bufs[0].vaddr; + + /* Use Direct mode */ + + offset_vaddr = (uint64_t *)((uint8_t *)dm_vaddr - + ROC_SE_OFF_CTRL_LEN - iv_len); + + /* DPTR */ + inst->dptr = (uint64_t)offset_vaddr; + /* RPTR should just exclude offset control word */ + inst->rptr = (uint64_t)dm_vaddr - iv_len; + + cpt_inst_w4.s.dlen = inputlen + ROC_SE_OFF_CTRL_LEN; + + uint8_t *iv_d = ((uint8_t *)offset_vaddr + ROC_SE_OFF_CTRL_LEN); + pdcp_iv_copy(iv_d, iv_s, pdcp_alg_type); + + *offset_vaddr = offset_ctrl; + } else { + void *m_vaddr = params->meta_buf.vaddr; + uint32_t i, g_size_bytes, s_size_bytes; + struct roc_se_sglist_comp *gather_comp; + struct roc_se_sglist_comp *scatter_comp; + uint8_t *in_buffer; + uint8_t *iv_d; + + /* save space for iv */ + offset_vaddr = m_vaddr; + + m_vaddr = (uint8_t *)m_vaddr + ROC_SE_OFF_CTRL_LEN + iv_len; + + cpt_inst_w4.s.opcode_major |= (uint64_t)ROC_SE_DMA_MODE; + + /* DPTR has SG list */ + in_buffer = m_vaddr; + + ((uint16_t *)in_buffer)[0] = 0; + ((uint16_t *)in_buffer)[1] = 0; + + /* TODO Add error check if space will be sufficient */ + gather_comp = + (struct roc_se_sglist_comp *)((uint8_t *)m_vaddr + 8); + + /* + * Input Gather List + */ + i = 0; + + /* Offset control word followed by iv */ + + i = fill_sg_comp(gather_comp, i, (uint64_t)offset_vaddr, + ROC_SE_OFF_CTRL_LEN + iv_len); + + /* iv offset is 0 */ + *offset_vaddr = offset_ctrl; + + iv_d = ((uint8_t *)offset_vaddr + ROC_SE_OFF_CTRL_LEN); + pdcp_iv_copy(iv_d, iv_s, pdcp_alg_type); + + /* input data */ + size = inputlen - iv_len; + if (size) { + i = fill_sg_comp_from_iov(gather_comp, i, + params->src_iov, 0, &size, + NULL, 0); + if (unlikely(size)) { + plt_dp_err("Insufficient buffer space," + " size %d needed", + size); + return -1; + } + } + ((uint16_t *)in_buffer)[2] = rte_cpu_to_be_16(i); + g_size_bytes = + ((i + 3) / 4) * sizeof(struct roc_se_sglist_comp); + + /* + * Output Scatter List + */ + + i = 0; + scatter_comp = + (struct roc_se_sglist_comp *)((uint8_t *)gather_comp + + g_size_bytes); + + if (flags == 0x1) { + /* IV in SLIST only for EEA3 & UEA2 */ + iv_len = 0; + } + + if (iv_len) { + i = fill_sg_comp(scatter_comp, i, + (uint64_t)offset_vaddr + + ROC_SE_OFF_CTRL_LEN, + iv_len); + } + + /* Add output data */ + if (req_flags & ROC_SE_VALID_MAC_BUF) { + size = outputlen - iv_len - mac_len; + if (size) { + i = fill_sg_comp_from_iov(scatter_comp, i, + params->dst_iov, 0, + &size, NULL, 0); + + if (unlikely(size)) { + plt_dp_err("Insufficient buffer space," + " size %d needed", + size); + return -1; + } + } + + /* mac data */ + if (mac_len) { + i = fill_sg_comp_from_buf(scatter_comp, i, + ¶ms->mac_buf); + } + } else { + /* Output including mac */ + size = outputlen - iv_len; + if (size) { + i = fill_sg_comp_from_iov(scatter_comp, i, + params->dst_iov, 0, + &size, NULL, 0); + + if (unlikely(size)) { + plt_dp_err("Insufficient buffer space," + " size %d needed", + size); + return -1; + } + } + } + ((uint16_t *)in_buffer)[3] = rte_cpu_to_be_16(i); + s_size_bytes = + ((i + 3) / 4) * sizeof(struct roc_se_sglist_comp); + + size = g_size_bytes + s_size_bytes + ROC_SE_SG_LIST_HDR_SIZE; + + /* This is DPTR len in case of SG mode */ + cpt_inst_w4.s.dlen = size; + + inst->dptr = (uint64_t)in_buffer; + } + + inst->w4.u64 = cpt_inst_w4.u64; + + return 0; +} + +static __rte_always_inline int +cpt_kasumi_enc_prep(uint32_t req_flags, uint64_t d_offs, uint64_t d_lens, + struct roc_se_fc_params *params, struct cpt_inst_s *inst) +{ + void *m_vaddr = params->meta_buf.vaddr; + uint32_t size; + int32_t inputlen = 0, outputlen = 0; + struct roc_se_ctx *se_ctx; + uint32_t mac_len = 0; + uint8_t i = 0; + uint32_t encr_offset, auth_offset; + uint32_t encr_data_len, auth_data_len; + int flags; + uint8_t *iv_s, *iv_d, iv_len = 8; + uint8_t dir = 0; + uint64_t *offset_vaddr; + union cpt_inst_w4 cpt_inst_w4; + uint8_t *in_buffer; + uint32_t g_size_bytes, s_size_bytes; + struct roc_se_sglist_comp *gather_comp; + struct roc_se_sglist_comp *scatter_comp; + + encr_offset = ROC_SE_ENCR_OFFSET(d_offs) / 8; + auth_offset = ROC_SE_AUTH_OFFSET(d_offs) / 8; + encr_data_len = ROC_SE_ENCR_DLEN(d_lens); + auth_data_len = ROC_SE_AUTH_DLEN(d_lens); + + se_ctx = params->ctx_buf.vaddr; + flags = se_ctx->zsk_flags; + mac_len = se_ctx->mac_len; + + if (flags == 0x0) + iv_s = params->iv_buf; + else + iv_s = params->auth_iv_buf; + + dir = iv_s[8] & 0x1; + + cpt_inst_w4.s.opcode_major = ROC_SE_MAJOR_OP_KASUMI | ROC_SE_DMA_MODE; + + /* indicates ECB/CBC, direction, ctx from cptr, iv from dptr */ + cpt_inst_w4.s.opcode_minor = ((1 << 6) | (se_ctx->k_ecb << 5) | + (dir << 4) | (0 << 3) | (flags & 0x7)); + + /* + * GP op header, lengths are expected in bits. + */ + cpt_inst_w4.s.param1 = encr_data_len; + cpt_inst_w4.s.param2 = auth_data_len; + + /* consider iv len */ + if (flags == 0x0) { + encr_offset += iv_len; + auth_offset += iv_len; + } + + /* save space for offset ctrl and iv */ + offset_vaddr = m_vaddr; + + m_vaddr = (uint8_t *)m_vaddr + ROC_SE_OFF_CTRL_LEN + iv_len; + + /* DPTR has SG list */ + in_buffer = m_vaddr; + + ((uint16_t *)in_buffer)[0] = 0; + ((uint16_t *)in_buffer)[1] = 0; + + /* TODO Add error check if space will be sufficient */ + gather_comp = (struct roc_se_sglist_comp *)((uint8_t *)m_vaddr + 8); + + /* + * Input Gather List + */ + i = 0; + + /* Offset control word followed by iv */ + + if (flags == 0x0) { + inputlen = encr_offset + (RTE_ALIGN(encr_data_len, 8) / 8); + outputlen = inputlen; + /* iv offset is 0 */ + *offset_vaddr = rte_cpu_to_be_64((uint64_t)encr_offset << 16); + if (unlikely((encr_offset >> 16))) { + plt_dp_err("Offset not supported"); + plt_dp_err("enc_offset: %d", encr_offset); + return -1; + } + } else { + inputlen = auth_offset + (RTE_ALIGN(auth_data_len, 8) / 8); + outputlen = mac_len; + /* iv offset is 0 */ + *offset_vaddr = rte_cpu_to_be_64((uint64_t)auth_offset); + if (unlikely((auth_offset >> 8))) { + plt_dp_err("Offset not supported"); + plt_dp_err("auth_offset: %d", auth_offset); + return -1; + } + } + + i = fill_sg_comp(gather_comp, i, (uint64_t)offset_vaddr, + ROC_SE_OFF_CTRL_LEN + iv_len); + + /* IV */ + iv_d = (uint8_t *)offset_vaddr + ROC_SE_OFF_CTRL_LEN; + memcpy(iv_d, iv_s, iv_len); + + /* input data */ + size = inputlen - iv_len; + if (size) { + i = fill_sg_comp_from_iov(gather_comp, i, params->src_iov, 0, + &size, NULL, 0); + + if (unlikely(size)) { + plt_dp_err("Insufficient buffer space," + " size %d needed", + size); + return -1; + } + } + ((uint16_t *)in_buffer)[2] = rte_cpu_to_be_16(i); + g_size_bytes = ((i + 3) / 4) * sizeof(struct roc_se_sglist_comp); + + /* + * Output Scatter List + */ + + i = 0; + scatter_comp = (struct roc_se_sglist_comp *)((uint8_t *)gather_comp + + g_size_bytes); + + if (flags == 0x1) { + /* IV in SLIST only for F8 */ + iv_len = 0; + } + + /* IV */ + if (iv_len) { + i = fill_sg_comp(scatter_comp, i, + (uint64_t)offset_vaddr + ROC_SE_OFF_CTRL_LEN, + iv_len); + } + + /* Add output data */ + if (req_flags & ROC_SE_VALID_MAC_BUF) { + size = outputlen - iv_len - mac_len; + if (size) { + i = fill_sg_comp_from_iov(scatter_comp, i, + params->dst_iov, 0, &size, + NULL, 0); + + if (unlikely(size)) { + plt_dp_err("Insufficient buffer space," + " size %d needed", + size); + return -1; + } + } + + /* mac data */ + if (mac_len) { + i = fill_sg_comp_from_buf(scatter_comp, i, + ¶ms->mac_buf); + } + } else { + /* Output including mac */ + size = outputlen - iv_len; + if (size) { + i = fill_sg_comp_from_iov(scatter_comp, i, + params->dst_iov, 0, &size, + NULL, 0); + + if (unlikely(size)) { + plt_dp_err("Insufficient buffer space," + " size %d needed", + size); + return -1; + } + } + } + ((uint16_t *)in_buffer)[3] = rte_cpu_to_be_16(i); + s_size_bytes = ((i + 3) / 4) * sizeof(struct roc_se_sglist_comp); + + size = g_size_bytes + s_size_bytes + ROC_SE_SG_LIST_HDR_SIZE; + + /* This is DPTR len in case of SG mode */ + cpt_inst_w4.s.dlen = size; + + inst->dptr = (uint64_t)in_buffer; + inst->w4.u64 = cpt_inst_w4.u64; + + return 0; +} + +static __rte_always_inline int +cpt_kasumi_dec_prep(uint64_t d_offs, uint64_t d_lens, + struct roc_se_fc_params *params, struct cpt_inst_s *inst) +{ + void *m_vaddr = params->meta_buf.vaddr; + uint32_t size; + int32_t inputlen = 0, outputlen; + struct roc_se_ctx *se_ctx; + uint8_t i = 0, iv_len = 8; + uint32_t encr_offset; + uint32_t encr_data_len; + int flags; + uint8_t dir = 0; + uint64_t *offset_vaddr; + union cpt_inst_w4 cpt_inst_w4; + uint8_t *in_buffer; + uint32_t g_size_bytes, s_size_bytes; + struct roc_se_sglist_comp *gather_comp; + struct roc_se_sglist_comp *scatter_comp; + + encr_offset = ROC_SE_ENCR_OFFSET(d_offs) / 8; + encr_data_len = ROC_SE_ENCR_DLEN(d_lens); + + se_ctx = params->ctx_buf.vaddr; + flags = se_ctx->zsk_flags; + + cpt_inst_w4.u64 = 0; + cpt_inst_w4.s.opcode_major = ROC_SE_MAJOR_OP_KASUMI | ROC_SE_DMA_MODE; + + /* indicates ECB/CBC, direction, ctx from cptr, iv from dptr */ + cpt_inst_w4.s.opcode_minor = ((1 << 6) | (se_ctx->k_ecb << 5) | + (dir << 4) | (0 << 3) | (flags & 0x7)); + + /* + * GP op header, lengths are expected in bits. + */ + cpt_inst_w4.s.param1 = encr_data_len; + + /* consider iv len */ + encr_offset += iv_len; + + inputlen = iv_len + (RTE_ALIGN(encr_data_len, 8) / 8); + outputlen = inputlen; + + /* save space for offset ctrl & iv */ + offset_vaddr = m_vaddr; + + m_vaddr = (uint8_t *)m_vaddr + ROC_SE_OFF_CTRL_LEN + iv_len; + + /* DPTR has SG list */ + in_buffer = m_vaddr; + + ((uint16_t *)in_buffer)[0] = 0; + ((uint16_t *)in_buffer)[1] = 0; + + /* TODO Add error check if space will be sufficient */ + gather_comp = (struct roc_se_sglist_comp *)((uint8_t *)m_vaddr + 8); + + /* + * Input Gather List + */ + i = 0; + + /* Offset control word followed by iv */ + *offset_vaddr = rte_cpu_to_be_64((uint64_t)encr_offset << 16); + if (unlikely((encr_offset >> 16))) { + plt_dp_err("Offset not supported"); + plt_dp_err("enc_offset: %d", encr_offset); + return -1; + } + + i = fill_sg_comp(gather_comp, i, (uint64_t)offset_vaddr, + ROC_SE_OFF_CTRL_LEN + iv_len); + + /* IV */ + memcpy((uint8_t *)offset_vaddr + ROC_SE_OFF_CTRL_LEN, params->iv_buf, + iv_len); + + /* Add input data */ + size = inputlen - iv_len; + if (size) { + i = fill_sg_comp_from_iov(gather_comp, i, params->src_iov, 0, + &size, NULL, 0); + if (unlikely(size)) { + plt_dp_err("Insufficient buffer space," + " size %d needed", + size); + return -1; + } + } + ((uint16_t *)in_buffer)[2] = rte_cpu_to_be_16(i); + g_size_bytes = ((i + 3) / 4) * sizeof(struct roc_se_sglist_comp); + + /* + * Output Scatter List + */ + + i = 0; + scatter_comp = (struct roc_se_sglist_comp *)((uint8_t *)gather_comp + + g_size_bytes); + + /* IV */ + i = fill_sg_comp(scatter_comp, i, + (uint64_t)offset_vaddr + ROC_SE_OFF_CTRL_LEN, iv_len); + + /* Add output data */ + size = outputlen - iv_len; + if (size) { + i = fill_sg_comp_from_iov(scatter_comp, i, params->dst_iov, 0, + &size, NULL, 0); + if (unlikely(size)) { + plt_dp_err("Insufficient buffer space," + " size %d needed", + size); + return -1; + } + } + ((uint16_t *)in_buffer)[3] = rte_cpu_to_be_16(i); + s_size_bytes = ((i + 3) / 4) * sizeof(struct roc_se_sglist_comp); + + size = g_size_bytes + s_size_bytes + ROC_SE_SG_LIST_HDR_SIZE; + + /* This is DPTR len in case of SG mode */ + cpt_inst_w4.s.dlen = size; + + inst->dptr = (uint64_t)in_buffer; + inst->w4.u64 = cpt_inst_w4.u64; + + return 0; +} + +static __rte_always_inline int +cpt_fc_dec_hmac_prep(uint32_t flags, uint64_t d_offs, uint64_t d_lens, + struct roc_se_fc_params *fc_params, + struct cpt_inst_s *inst) +{ + struct roc_se_ctx *ctx = fc_params->ctx_buf.vaddr; + uint8_t fc_type; + int ret = -1; + + fc_type = ctx->fc_type; + + if (likely(fc_type == ROC_SE_FC_GEN)) { + ret = cpt_dec_hmac_prep(flags, d_offs, d_lens, fc_params, inst); + } else if (fc_type == ROC_SE_PDCP) { + ret = cpt_zuc_snow3g_prep(flags, d_offs, d_lens, fc_params, + inst); + } else if (fc_type == ROC_SE_KASUMI) { + ret = cpt_kasumi_dec_prep(d_offs, d_lens, fc_params, inst); + } + + /* + * For AUTH_ONLY case, + * MC only supports digest generation and verification + * should be done in software by memcmp() + */ + + return ret; +} + +static __rte_always_inline int +cpt_fc_enc_hmac_prep(uint32_t flags, uint64_t d_offs, uint64_t d_lens, + struct roc_se_fc_params *fc_params, + struct cpt_inst_s *inst) +{ + struct roc_se_ctx *ctx = fc_params->ctx_buf.vaddr; + uint8_t fc_type; + int ret = -1; + + fc_type = ctx->fc_type; + + if (likely(fc_type == ROC_SE_FC_GEN)) { + ret = cpt_enc_hmac_prep(flags, d_offs, d_lens, fc_params, inst); + } else if (fc_type == ROC_SE_PDCP) { + ret = cpt_zuc_snow3g_prep(flags, d_offs, d_lens, fc_params, + inst); + } else if (fc_type == ROC_SE_KASUMI) { + ret = cpt_kasumi_enc_prep(flags, d_offs, d_lens, fc_params, + inst); + } else if (fc_type == ROC_SE_HASH_HMAC) { + ret = cpt_digest_gen_prep(flags, d_lens, fc_params, inst); + } + + return ret; +} + +static __rte_always_inline int +fill_sess_aead(struct rte_crypto_sym_xform *xform, struct cnxk_se_sess *sess) +{ + struct rte_crypto_aead_xform *aead_form; + roc_se_cipher_type enc_type = 0; /* NULL Cipher type */ + roc_se_auth_type auth_type = 0; /* NULL Auth type */ + uint32_t cipher_key_len = 0; + uint8_t aes_gcm = 0; + aead_form = &xform->aead; + + if (aead_form->op == RTE_CRYPTO_AEAD_OP_ENCRYPT) { + sess->cpt_op |= ROC_SE_OP_CIPHER_ENCRYPT; + sess->cpt_op |= ROC_SE_OP_AUTH_GENERATE; + } else if (aead_form->op == RTE_CRYPTO_AEAD_OP_DECRYPT) { + sess->cpt_op |= ROC_SE_OP_CIPHER_DECRYPT; + sess->cpt_op |= ROC_SE_OP_AUTH_VERIFY; + } else { + plt_dp_err("Unknown aead operation\n"); + return -1; + } + switch (aead_form->algo) { + case RTE_CRYPTO_AEAD_AES_GCM: + enc_type = ROC_SE_AES_GCM; + cipher_key_len = 16; + aes_gcm = 1; + break; + case RTE_CRYPTO_AEAD_AES_CCM: + plt_dp_err("Crypto: Unsupported cipher algo %u", + aead_form->algo); + return -1; + case RTE_CRYPTO_AEAD_CHACHA20_POLY1305: + enc_type = ROC_SE_CHACHA20; + auth_type = ROC_SE_POLY1305; + cipher_key_len = 32; + sess->chacha_poly = 1; + break; + default: + plt_dp_err("Crypto: Undefined cipher algo %u specified", + aead_form->algo); + return -1; + } + if (aead_form->key.length < cipher_key_len) { + plt_dp_err("Invalid cipher params keylen %u", + aead_form->key.length); + return -1; + } + sess->zsk_flag = 0; + sess->aes_gcm = aes_gcm; + sess->mac_len = aead_form->digest_length; + sess->iv_offset = aead_form->iv.offset; + sess->iv_length = aead_form->iv.length; + sess->aad_length = aead_form->aad_length; + + if (unlikely(roc_se_ciph_key_set(&sess->roc_se_ctx, enc_type, + aead_form->key.data, + aead_form->key.length, NULL))) + return -1; + + if (unlikely(roc_se_auth_key_set(&sess->roc_se_ctx, auth_type, NULL, 0, + aead_form->digest_length))) + return -1; + + return 0; +} + static __rte_always_inline int fill_sess_cipher(struct rte_crypto_sym_xform *xform, struct cnxk_se_sess *sess) { @@ -88,7 +1721,7 @@ fill_sess_cipher(struct rte_crypto_sym_xform *xform, struct cnxk_se_sess *sess) break; case RTE_CRYPTO_CIPHER_ZUC_EEA3: enc_type = ROC_SE_ZUC_EEA3; - cipher_key_len = 16; + cipher_key_len = c_form->key.length; zsk_flag = ROC_SE_ZS_EA; break; case RTE_CRYPTO_CIPHER_AES_XTS: @@ -132,6 +1765,726 @@ fill_sess_cipher(struct rte_crypto_sym_xform *xform, struct cnxk_se_sess *sess) NULL))) return -1; + if ((enc_type >= ROC_SE_ZUC_EEA3) && (enc_type <= ROC_SE_AES_CTR_EEA2)) + roc_se_ctx_swap(&sess->roc_se_ctx); + return 0; +} + +static __rte_always_inline int +fill_sess_auth(struct rte_crypto_sym_xform *xform, struct cnxk_se_sess *sess) +{ + struct rte_crypto_auth_xform *a_form; + roc_se_auth_type auth_type = 0; /* NULL Auth type */ + uint8_t zsk_flag = 0, aes_gcm = 0, is_null = 0; + + if (xform->next != NULL && + xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER && + xform->next->cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT) { + /* Perform auth followed by encryption */ + sess->roc_se_ctx.template_w4.s.opcode_minor = + ROC_SE_FC_MINOR_OP_HMAC_FIRST; + } + + a_form = &xform->auth; + + if (a_form->op == RTE_CRYPTO_AUTH_OP_VERIFY) + sess->cpt_op |= ROC_SE_OP_AUTH_VERIFY; + else if (a_form->op == RTE_CRYPTO_AUTH_OP_GENERATE) + sess->cpt_op |= ROC_SE_OP_AUTH_GENERATE; + else { + plt_dp_err("Unknown auth operation"); + return -1; + } + + switch (a_form->algo) { + case RTE_CRYPTO_AUTH_SHA1_HMAC: + /* Fall through */ + case RTE_CRYPTO_AUTH_SHA1: + auth_type = ROC_SE_SHA1_TYPE; + break; + case RTE_CRYPTO_AUTH_SHA256_HMAC: + case RTE_CRYPTO_AUTH_SHA256: + auth_type = ROC_SE_SHA2_SHA256; + break; + case RTE_CRYPTO_AUTH_SHA512_HMAC: + case RTE_CRYPTO_AUTH_SHA512: + auth_type = ROC_SE_SHA2_SHA512; + break; + case RTE_CRYPTO_AUTH_AES_GMAC: + auth_type = ROC_SE_GMAC_TYPE; + aes_gcm = 1; + break; + case RTE_CRYPTO_AUTH_SHA224_HMAC: + case RTE_CRYPTO_AUTH_SHA224: + auth_type = ROC_SE_SHA2_SHA224; + break; + case RTE_CRYPTO_AUTH_SHA384_HMAC: + case RTE_CRYPTO_AUTH_SHA384: + auth_type = ROC_SE_SHA2_SHA384; + break; + case RTE_CRYPTO_AUTH_MD5_HMAC: + case RTE_CRYPTO_AUTH_MD5: + auth_type = ROC_SE_MD5_TYPE; + break; + case RTE_CRYPTO_AUTH_KASUMI_F9: + auth_type = ROC_SE_KASUMI_F9_ECB; + /* + * Indicate that direction needs to be taken out + * from end of src + */ + zsk_flag = ROC_SE_K_F9; + break; + case RTE_CRYPTO_AUTH_SNOW3G_UIA2: + auth_type = ROC_SE_SNOW3G_UIA2; + zsk_flag = ROC_SE_ZS_IA; + break; + case RTE_CRYPTO_AUTH_ZUC_EIA3: + auth_type = ROC_SE_ZUC_EIA3; + zsk_flag = ROC_SE_ZS_IA; + break; + case RTE_CRYPTO_AUTH_NULL: + auth_type = 0; + is_null = 1; + break; + case RTE_CRYPTO_AUTH_AES_XCBC_MAC: + case RTE_CRYPTO_AUTH_AES_CMAC: + case RTE_CRYPTO_AUTH_AES_CBC_MAC: + plt_dp_err("Crypto: Unsupported hash algo %u", a_form->algo); + return -1; + default: + plt_dp_err("Crypto: Undefined Hash algo %u specified", + a_form->algo); + return -1; + } + + sess->zsk_flag = zsk_flag; + sess->aes_gcm = aes_gcm; + sess->mac_len = a_form->digest_length; + sess->is_null = is_null; + if (zsk_flag) { + sess->auth_iv_offset = a_form->iv.offset; + sess->auth_iv_length = a_form->iv.length; + } + if (unlikely(roc_se_auth_key_set(&sess->roc_se_ctx, auth_type, + a_form->key.data, a_form->key.length, + a_form->digest_length))) + return -1; + + if ((auth_type >= ROC_SE_ZUC_EIA3) && + (auth_type <= ROC_SE_AES_CMAC_EIA2)) + roc_se_ctx_swap(&sess->roc_se_ctx); + + return 0; +} + +static __rte_always_inline int +fill_sess_gmac(struct rte_crypto_sym_xform *xform, struct cnxk_se_sess *sess) +{ + struct rte_crypto_auth_xform *a_form; + roc_se_cipher_type enc_type = 0; /* NULL Cipher type */ + roc_se_auth_type auth_type = 0; /* NULL Auth type */ + + a_form = &xform->auth; + + if (a_form->op == RTE_CRYPTO_AUTH_OP_GENERATE) + sess->cpt_op |= ROC_SE_OP_ENCODE; + else if (a_form->op == RTE_CRYPTO_AUTH_OP_VERIFY) + sess->cpt_op |= ROC_SE_OP_DECODE; + else { + plt_dp_err("Unknown auth operation"); + return -1; + } + + switch (a_form->algo) { + case RTE_CRYPTO_AUTH_AES_GMAC: + enc_type = ROC_SE_AES_GCM; + auth_type = ROC_SE_GMAC_TYPE; + break; + default: + plt_dp_err("Crypto: Undefined cipher algo %u specified", + a_form->algo); + return -1; + } + + sess->zsk_flag = 0; + sess->aes_gcm = 0; + sess->is_gmac = 1; + sess->iv_offset = a_form->iv.offset; + sess->iv_length = a_form->iv.length; + sess->mac_len = a_form->digest_length; + + if (unlikely(roc_se_ciph_key_set(&sess->roc_se_ctx, enc_type, + a_form->key.data, a_form->key.length, + NULL))) + return -1; + + if (unlikely(roc_se_auth_key_set(&sess->roc_se_ctx, auth_type, NULL, 0, + a_form->digest_length))) + return -1; + + return 0; +} + +static __rte_always_inline void * +alloc_op_meta(struct roc_se_buf_ptr *buf, int32_t len, + struct rte_mempool *cpt_meta_pool, + struct cpt_inflight_req *infl_req) +{ + uint8_t *mdata; + + if (unlikely(rte_mempool_get(cpt_meta_pool, (void **)&mdata) < 0)) + return NULL; + + buf->vaddr = mdata; + buf->size = len; + + infl_req->mdata = mdata; + infl_req->op_flags |= CPT_OP_FLAGS_METABUF; + + return mdata; +} + +static __rte_always_inline uint32_t +prepare_iov_from_pkt(struct rte_mbuf *pkt, struct roc_se_iov_ptr *iovec, + uint32_t start_offset) +{ + uint16_t index = 0; + void *seg_data = NULL; + int32_t seg_size = 0; + + if (!pkt) { + iovec->buf_cnt = 0; + return 0; + } + + if (!start_offset) { + seg_data = rte_pktmbuf_mtod(pkt, void *); + seg_size = pkt->data_len; + } else { + while (start_offset >= pkt->data_len) { + start_offset -= pkt->data_len; + pkt = pkt->next; + } + + seg_data = rte_pktmbuf_mtod_offset(pkt, void *, start_offset); + seg_size = pkt->data_len - start_offset; + if (!seg_size) + return 1; + } + + /* first seg */ + iovec->bufs[index].vaddr = seg_data; + iovec->bufs[index].size = seg_size; + index++; + pkt = pkt->next; + + while (unlikely(pkt != NULL)) { + seg_data = rte_pktmbuf_mtod(pkt, void *); + seg_size = pkt->data_len; + if (!seg_size) + break; + + iovec->bufs[index].vaddr = seg_data; + iovec->bufs[index].size = seg_size; + + index++; + + pkt = pkt->next; + } + + iovec->buf_cnt = index; + return 0; +} + +static __rte_always_inline uint32_t +prepare_iov_from_pkt_inplace(struct rte_mbuf *pkt, + struct roc_se_fc_params *param, uint32_t *flags) +{ + uint16_t index = 0; + void *seg_data = NULL; + uint32_t seg_size = 0; + struct roc_se_iov_ptr *iovec; + + seg_data = rte_pktmbuf_mtod(pkt, void *); + seg_size = pkt->data_len; + + /* first seg */ + if (likely(!pkt->next)) { + uint32_t headroom; + + *flags |= ROC_SE_SINGLE_BUF_INPLACE; + headroom = rte_pktmbuf_headroom(pkt); + if (likely(headroom >= 24)) + *flags |= ROC_SE_SINGLE_BUF_HEADROOM; + + param->bufs[0].vaddr = seg_data; + param->bufs[0].size = seg_size; + return 0; + } + iovec = param->src_iov; + iovec->bufs[index].vaddr = seg_data; + iovec->bufs[index].size = seg_size; + index++; + pkt = pkt->next; + + while (unlikely(pkt != NULL)) { + seg_data = rte_pktmbuf_mtod(pkt, void *); + seg_size = pkt->data_len; + + if (!seg_size) + break; + + iovec->bufs[index].vaddr = seg_data; + iovec->bufs[index].size = seg_size; + + index++; + + pkt = pkt->next; + } + + iovec->buf_cnt = index; + return 0; +} + +static __rte_always_inline int +fill_fc_params(struct rte_crypto_op *cop, struct cnxk_se_sess *sess, + struct cpt_qp_meta_info *m_info, + struct cpt_inflight_req *infl_req, struct cpt_inst_s *inst) +{ + struct roc_se_ctx *ctx = &sess->roc_se_ctx; + uint8_t op_minor = ctx->template_w4.s.opcode_minor; + struct rte_crypto_sym_op *sym_op = cop->sym; + void *mdata = NULL; + uint32_t mc_hash_off; + uint32_t flags = 0; + uint64_t d_offs, d_lens; + struct rte_mbuf *m_src, *m_dst; + uint8_t cpt_op = sess->cpt_op; +#ifdef CPT_ALWAYS_USE_SG_MODE + uint8_t inplace = 0; +#else + uint8_t inplace = 1; +#endif + struct roc_se_fc_params fc_params; + char src[SRC_IOV_SIZE]; + char dst[SRC_IOV_SIZE]; + uint32_t iv_buf[4]; + int ret; + + fc_params.cipher_iv_len = sess->iv_length; + fc_params.auth_iv_len = sess->auth_iv_length; + + if (likely(sess->iv_length)) { + flags |= ROC_SE_VALID_IV_BUF; + fc_params.iv_buf = rte_crypto_op_ctod_offset(cop, uint8_t *, + sess->iv_offset); + if (sess->aes_ctr && unlikely(sess->iv_length != 16)) { + memcpy((uint8_t *)iv_buf, + rte_crypto_op_ctod_offset(cop, uint8_t *, + sess->iv_offset), + 12); + iv_buf[3] = rte_cpu_to_be_32(0x1); + fc_params.iv_buf = iv_buf; + } + } + + if (sess->zsk_flag) { + fc_params.auth_iv_buf = rte_crypto_op_ctod_offset( + cop, uint8_t *, sess->auth_iv_offset); + if (sess->zsk_flag != ROC_SE_ZS_EA) + inplace = 0; + } + m_src = sym_op->m_src; + m_dst = sym_op->m_dst; + + if (sess->aes_gcm || sess->chacha_poly) { + uint8_t *salt; + uint8_t *aad_data; + uint16_t aad_len; + + d_offs = sym_op->aead.data.offset; + d_lens = sym_op->aead.data.length; + mc_hash_off = + sym_op->aead.data.offset + sym_op->aead.data.length; + + aad_data = sym_op->aead.aad.data; + aad_len = sess->aad_length; + if (likely((aad_data + aad_len) == + rte_pktmbuf_mtod_offset(m_src, uint8_t *, + sym_op->aead.data.offset))) { + d_offs = (d_offs - aad_len) | (d_offs << 16); + d_lens = (d_lens + aad_len) | (d_lens << 32); + } else { + fc_params.aad_buf.vaddr = sym_op->aead.aad.data; + fc_params.aad_buf.size = aad_len; + flags |= ROC_SE_VALID_AAD_BUF; + inplace = 0; + d_offs = d_offs << 16; + d_lens = d_lens << 32; + } + + salt = fc_params.iv_buf; + if (unlikely(*(uint32_t *)salt != sess->salt)) { + cpt_fc_salt_update(&sess->roc_se_ctx, salt); + sess->salt = *(uint32_t *)salt; + } + fc_params.iv_buf = salt + 4; + if (likely(sess->mac_len)) { + struct rte_mbuf *m = + (cpt_op & ROC_SE_OP_ENCODE) ? m_dst : m_src; + + if (!m) + m = m_src; + + /* hmac immediately following data is best case */ + if (unlikely(rte_pktmbuf_mtod(m, uint8_t *) + + mc_hash_off != + (uint8_t *)sym_op->aead.digest.data)) { + flags |= ROC_SE_VALID_MAC_BUF; + fc_params.mac_buf.size = sess->mac_len; + fc_params.mac_buf.vaddr = + sym_op->aead.digest.data; + inplace = 0; + } + } + } else { + d_offs = sym_op->cipher.data.offset; + d_lens = sym_op->cipher.data.length; + mc_hash_off = + sym_op->cipher.data.offset + sym_op->cipher.data.length; + d_offs = (d_offs << 16) | sym_op->auth.data.offset; + d_lens = (d_lens << 32) | sym_op->auth.data.length; + + if (mc_hash_off < + (sym_op->auth.data.offset + sym_op->auth.data.length)) { + mc_hash_off = (sym_op->auth.data.offset + + sym_op->auth.data.length); + } + /* for gmac, salt should be updated like in gcm */ + if (unlikely(sess->is_gmac)) { + uint8_t *salt; + salt = fc_params.iv_buf; + if (unlikely(*(uint32_t *)salt != sess->salt)) { + cpt_fc_salt_update(&sess->roc_se_ctx, salt); + sess->salt = *(uint32_t *)salt; + } + fc_params.iv_buf = salt + 4; + } + if (likely(sess->mac_len)) { + struct rte_mbuf *m; + + m = (cpt_op & ROC_SE_OP_ENCODE) ? m_dst : m_src; + if (!m) + m = m_src; + + /* hmac immediately following data is best case */ + if (!(op_minor & ROC_SE_FC_MINOR_OP_HMAC_FIRST) && + (unlikely(rte_pktmbuf_mtod(m, uint8_t *) + + mc_hash_off != + (uint8_t *)sym_op->auth.digest.data))) { + flags |= ROC_SE_VALID_MAC_BUF; + fc_params.mac_buf.size = sess->mac_len; + fc_params.mac_buf.vaddr = + sym_op->auth.digest.data; + inplace = 0; + } + } + } + fc_params.ctx_buf.vaddr = &sess->roc_se_ctx; + + if (!(op_minor & ROC_SE_FC_MINOR_OP_HMAC_FIRST) && + unlikely(sess->is_null || sess->cpt_op == ROC_SE_OP_DECODE)) + inplace = 0; + + if (likely(!m_dst && inplace)) { + /* Case of single buffer without AAD buf or + * separate mac buf in place and + * not air crypto + */ + fc_params.dst_iov = fc_params.src_iov = (void *)src; + + if (unlikely(prepare_iov_from_pkt_inplace(m_src, &fc_params, + &flags))) { + plt_dp_err("Prepare inplace src iov failed"); + ret = -EINVAL; + goto err_exit; + } + + } else { + /* Out of place processing */ + fc_params.src_iov = (void *)src; + fc_params.dst_iov = (void *)dst; + + /* Store SG I/O in the api for reuse */ + if (prepare_iov_from_pkt(m_src, fc_params.src_iov, 0)) { + plt_dp_err("Prepare src iov failed"); + ret = -EINVAL; + goto err_exit; + } + + if (unlikely(m_dst != NULL)) { + uint32_t pkt_len; + + /* Try to make room as much as src has */ + pkt_len = rte_pktmbuf_pkt_len(m_dst); + + if (unlikely(pkt_len < rte_pktmbuf_pkt_len(m_src))) { + pkt_len = rte_pktmbuf_pkt_len(m_src) - pkt_len; + if (!rte_pktmbuf_append(m_dst, pkt_len)) { + plt_dp_err("Not enough space in " + "m_dst %p, need %u" + " more", + m_dst, pkt_len); + ret = -EINVAL; + goto err_exit; + } + } + + if (prepare_iov_from_pkt(m_dst, fc_params.dst_iov, 0)) { + plt_dp_err("Prepare dst iov failed for " + "m_dst %p", + m_dst); + ret = -EINVAL; + goto err_exit; + } + } else { + fc_params.dst_iov = (void *)src; + } + } + + if (unlikely(!((flags & ROC_SE_SINGLE_BUF_INPLACE) && + (flags & ROC_SE_SINGLE_BUF_HEADROOM) && + ((ctx->fc_type == ROC_SE_FC_GEN) || + (ctx->fc_type == ROC_SE_PDCP))))) { + mdata = alloc_op_meta(&fc_params.meta_buf, m_info->mlen, + m_info->pool, infl_req); + if (mdata == NULL) { + plt_dp_err("Error allocating meta buffer for request"); + return -ENOMEM; + } + } + + /* Finally prepare the instruction */ + if (cpt_op & ROC_SE_OP_ENCODE) + ret = cpt_fc_enc_hmac_prep(flags, d_offs, d_lens, &fc_params, + inst); + else + ret = cpt_fc_dec_hmac_prep(flags, d_offs, d_lens, &fc_params, + inst); + + if (unlikely(ret)) { + plt_dp_err("Preparing request failed due to bad input arg"); + goto free_mdata_and_exit; + } + + return 0; + +free_mdata_and_exit: + if (infl_req->op_flags & CPT_OP_FLAGS_METABUF) + rte_mempool_put(m_info->pool, infl_req->mdata); +err_exit: + return ret; +} + +static __rte_always_inline void +compl_auth_verify(struct rte_crypto_op *op, uint8_t *gen_mac, uint64_t mac_len) +{ + uint8_t *mac; + struct rte_crypto_sym_op *sym_op = op->sym; + + if (sym_op->auth.digest.data) + mac = sym_op->auth.digest.data; + else + mac = rte_pktmbuf_mtod_offset(sym_op->m_src, uint8_t *, + sym_op->auth.data.length + + sym_op->auth.data.offset); + if (!mac) { + op->status = RTE_CRYPTO_OP_STATUS_ERROR; + return; + } + + if (memcmp(mac, gen_mac, mac_len)) + op->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED; + else + op->status = RTE_CRYPTO_OP_STATUS_SUCCESS; +} + +static __rte_always_inline void +find_kasumif9_direction_and_length(uint8_t *src, uint32_t counter_num_bytes, + uint32_t *addr_length_in_bits, + uint8_t *addr_direction) +{ + uint8_t found = 0; + uint32_t pos; + uint8_t last_byte; + while (!found && counter_num_bytes > 0) { + counter_num_bytes--; + if (src[counter_num_bytes] == 0x00) + continue; + pos = rte_bsf32(src[counter_num_bytes]); + if (pos == 7) { + if (likely(counter_num_bytes > 0)) { + last_byte = src[counter_num_bytes - 1]; + *addr_direction = last_byte & 0x1; + *addr_length_in_bits = + counter_num_bytes * 8 - 1; + } + } else { + last_byte = src[counter_num_bytes]; + *addr_direction = (last_byte >> (pos + 1)) & 0x1; + *addr_length_in_bits = + counter_num_bytes * 8 + (8 - (pos + 2)); + } + found = 1; + } +} + +/* + * This handles all auth only except AES_GMAC + */ +static __rte_always_inline int +fill_digest_params(struct rte_crypto_op *cop, struct cnxk_se_sess *sess, + struct cpt_qp_meta_info *m_info, + struct cpt_inflight_req *infl_req, struct cpt_inst_s *inst) +{ + uint32_t space = 0; + struct rte_crypto_sym_op *sym_op = cop->sym; + void *mdata; + uint32_t auth_range_off; + uint32_t flags = 0; + uint64_t d_offs = 0, d_lens; + struct rte_mbuf *m_src, *m_dst; + uint16_t auth_op = sess->cpt_op & ROC_SE_OP_AUTH_MASK; + uint16_t mac_len = sess->mac_len; + struct roc_se_fc_params params; + char src[SRC_IOV_SIZE]; + uint8_t iv_buf[16]; + int ret; + + memset(¶ms, 0, sizeof(struct roc_se_fc_params)); + + m_src = sym_op->m_src; + + mdata = alloc_op_meta(¶ms.meta_buf, m_info->mlen, m_info->pool, + infl_req); + if (mdata == NULL) { + ret = -ENOMEM; + goto err_exit; + } + + auth_range_off = sym_op->auth.data.offset; + + flags = ROC_SE_VALID_MAC_BUF; + params.src_iov = (void *)src; + if (unlikely(sess->zsk_flag)) { + /* + * Since for Zuc, Kasumi, Snow3g offsets are in bits + * we will send pass through even for auth only case, + * let MC handle it + */ + d_offs = auth_range_off; + auth_range_off = 0; + params.auth_iv_len = sess->auth_iv_length; + params.auth_iv_buf = rte_crypto_op_ctod_offset( + cop, uint8_t *, sess->auth_iv_offset); + if (sess->zsk_flag == ROC_SE_K_F9) { + uint32_t length_in_bits, num_bytes; + uint8_t *src, direction = 0; + + memcpy(iv_buf, + rte_pktmbuf_mtod(cop->sym->m_src, uint8_t *), 8); + /* + * This is kasumi f9, take direction from + * source buffer + */ + length_in_bits = cop->sym->auth.data.length; + num_bytes = (length_in_bits >> 3); + src = rte_pktmbuf_mtod(cop->sym->m_src, uint8_t *); + find_kasumif9_direction_and_length( + src, num_bytes, &length_in_bits, &direction); + length_in_bits -= 64; + cop->sym->auth.data.offset += 64; + d_offs = cop->sym->auth.data.offset; + auth_range_off = d_offs / 8; + cop->sym->auth.data.length = length_in_bits; + + /* Store it at end of auth iv */ + iv_buf[8] = direction; + params.auth_iv_buf = iv_buf; + } + } + + d_lens = sym_op->auth.data.length; + + params.ctx_buf.vaddr = &sess->roc_se_ctx; + + if (auth_op == ROC_SE_OP_AUTH_GENERATE) { + if (sym_op->auth.digest.data) { + /* + * Digest to be generated + * in separate buffer + */ + params.mac_buf.size = sess->mac_len; + params.mac_buf.vaddr = sym_op->auth.digest.data; + } else { + uint32_t off = sym_op->auth.data.offset + + sym_op->auth.data.length; + int32_t dlen, space; + + m_dst = sym_op->m_dst ? sym_op->m_dst : sym_op->m_src; + dlen = rte_pktmbuf_pkt_len(m_dst); + + space = off + mac_len - dlen; + if (space > 0) + if (!rte_pktmbuf_append(m_dst, space)) { + plt_dp_err("Failed to extend " + "mbuf by %uB", + space); + ret = -EINVAL; + goto free_mdata_and_exit; + } + + params.mac_buf.vaddr = + rte_pktmbuf_mtod_offset(m_dst, void *, off); + params.mac_buf.size = mac_len; + } + } else { + uint64_t *op = mdata; + + /* Need space for storing generated mac */ + space += 2 * sizeof(uint64_t); + + params.mac_buf.vaddr = (uint8_t *)mdata + space; + params.mac_buf.size = mac_len; + space += RTE_ALIGN_CEIL(mac_len, 8); + op[0] = (uintptr_t)params.mac_buf.vaddr; + op[1] = mac_len; + infl_req->op_flags |= CPT_OP_FLAGS_AUTH_VERIFY; + } + + params.meta_buf.vaddr = (uint8_t *)mdata + space; + params.meta_buf.size -= space; + + /* Out of place processing */ + params.src_iov = (void *)src; + + /*Store SG I/O in the api for reuse */ + if (prepare_iov_from_pkt(m_src, params.src_iov, auth_range_off)) { + plt_dp_err("Prepare src iov failed"); + ret = -EINVAL; + goto free_mdata_and_exit; + } + + ret = cpt_fc_enc_hmac_prep(flags, d_offs, d_lens, ¶ms, inst); + if (ret) + goto free_mdata_and_exit; + return 0; + +free_mdata_and_exit: + if (infl_req->op_flags & CPT_OP_FLAGS_METABUF) + rte_mempool_put(m_info->pool, infl_req->mdata); +err_exit: + return ret; } #endif /*_CNXK_SE_H_ */