crypto/cnxk: add flexi cipher encryption
Add flexi crypto cipher encrypt in enqueue API. Flexi crypto opcode covers a broad set of ciphers including variants of AES. Signed-off-by: Ankur Dwivedi <adwivedi@marvell.com> Signed-off-by: Anoob Joseph <anoobj@marvell.com> Signed-off-by: Archana Muniganti <marchana@marvell.com> Signed-off-by: Tejasree Kondoj <ktejasree@marvell.com> Acked-by: Akhil Goyal <gakhil@marvell.com>
This commit is contained in:
Archana Muniganti
Akhil Goyal
parent
be0fd62a68
commit
3de331795f
@ -46,13 +46,15 @@ cpt_sym_inst_fill(struct cnxk_cpt_qp *qp, struct rte_crypto_op *op,
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struct cnxk_se_sess *sess, struct cpt_inflight_req *infl_req,
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struct cpt_inst_s *inst)
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{
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RTE_SET_USED(qp);
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RTE_SET_USED(op);
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RTE_SET_USED(sess);
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RTE_SET_USED(infl_req);
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RTE_SET_USED(inst);
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uint64_t cpt_op;
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int ret = -1;
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return -ENOTSUP;
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cpt_op = sess->cpt_op;
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if (cpt_op & ROC_SE_OP_CIPHER_MASK)
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ret = fill_fc_params(op, sess, &qp->meta_info, infl_req, inst);
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return ret;
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}
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static inline int
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@ -17,13 +17,15 @@ cn9k_cpt_sym_inst_fill(struct cnxk_cpt_qp *qp, struct rte_crypto_op *op,
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struct cpt_inflight_req *infl_req,
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struct cpt_inst_s *inst)
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{
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RTE_SET_USED(qp);
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RTE_SET_USED(op);
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RTE_SET_USED(sess);
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RTE_SET_USED(infl_req);
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RTE_SET_USED(inst);
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uint64_t cpt_op;
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int ret = -1;
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return -ENOTSUP;
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cpt_op = sess->cpt_op;
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if (cpt_op & ROC_SE_OP_CIPHER_MASK)
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ret = fill_fc_params(op, sess, &qp->meta_info, infl_req, inst);
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return ret;
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}
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static inline struct cnxk_se_sess *
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@ -6,7 +6,15 @@
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#define _CNXK_SE_H_
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#include <stdbool.h>
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#include "roc_se.h"
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#include "cnxk_cryptodev.h"
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#include "cnxk_cryptodev_ops.h"
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#define SRC_IOV_SIZE \
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(sizeof(struct roc_se_iov_ptr) + \
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(sizeof(struct roc_se_buf_ptr) * ROC_SE_MAX_SG_CNT))
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#define DST_IOV_SIZE \
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(sizeof(struct roc_se_iov_ptr) + \
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(sizeof(struct roc_se_buf_ptr) * ROC_SE_MAX_SG_CNT))
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struct cnxk_se_sess {
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uint16_t cpt_op : 4;
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@ -69,6 +77,457 @@ cpt_mac_len_verify(struct rte_crypto_auth_xform *auth)
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return ret;
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}
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static __rte_always_inline void
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cpt_fc_salt_update(struct roc_se_ctx *se_ctx, uint8_t *salt)
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{
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struct roc_se_context *fctx = &se_ctx->se_ctx.fctx;
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memcpy(fctx->enc.encr_iv, salt, 4);
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}
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static __rte_always_inline uint32_t
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fill_sg_comp(struct roc_se_sglist_comp *list, uint32_t i, phys_addr_t dma_addr,
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uint32_t size)
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{
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struct roc_se_sglist_comp *to = &list[i >> 2];
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to->u.s.len[i % 4] = rte_cpu_to_be_16(size);
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to->ptr[i % 4] = rte_cpu_to_be_64(dma_addr);
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i++;
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return i;
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}
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static __rte_always_inline uint32_t
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fill_sg_comp_from_buf(struct roc_se_sglist_comp *list, uint32_t i,
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struct roc_se_buf_ptr *from)
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{
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struct roc_se_sglist_comp *to = &list[i >> 2];
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to->u.s.len[i % 4] = rte_cpu_to_be_16(from->size);
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to->ptr[i % 4] = rte_cpu_to_be_64((uint64_t)from->vaddr);
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i++;
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return i;
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}
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static __rte_always_inline uint32_t
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fill_sg_comp_from_buf_min(struct roc_se_sglist_comp *list, uint32_t i,
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struct roc_se_buf_ptr *from, uint32_t *psize)
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{
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struct roc_se_sglist_comp *to = &list[i >> 2];
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uint32_t size = *psize;
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uint32_t e_len;
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e_len = (size > from->size) ? from->size : size;
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to->u.s.len[i % 4] = rte_cpu_to_be_16(e_len);
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to->ptr[i % 4] = rte_cpu_to_be_64((uint64_t)from->vaddr);
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*psize -= e_len;
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i++;
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return i;
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}
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/*
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* This fills the MC expected SGIO list
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* from IOV given by user.
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*/
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static __rte_always_inline uint32_t
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fill_sg_comp_from_iov(struct roc_se_sglist_comp *list, uint32_t i,
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struct roc_se_iov_ptr *from, uint32_t from_offset,
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uint32_t *psize, struct roc_se_buf_ptr *extra_buf,
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uint32_t extra_offset)
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{
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int32_t j;
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uint32_t extra_len = extra_buf ? extra_buf->size : 0;
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uint32_t size = *psize;
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struct roc_se_buf_ptr *bufs;
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bufs = from->bufs;
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for (j = 0; (j < from->buf_cnt) && size; j++) {
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uint64_t e_vaddr;
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uint32_t e_len;
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struct roc_se_sglist_comp *to = &list[i >> 2];
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if (unlikely(from_offset)) {
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if (from_offset >= bufs[j].size) {
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from_offset -= bufs[j].size;
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continue;
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}
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e_vaddr = (uint64_t)bufs[j].vaddr + from_offset;
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e_len = (size > (bufs[j].size - from_offset)) ?
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(bufs[j].size - from_offset) :
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size;
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from_offset = 0;
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} else {
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e_vaddr = (uint64_t)bufs[j].vaddr;
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e_len = (size > bufs[j].size) ? bufs[j].size : size;
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}
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to->u.s.len[i % 4] = rte_cpu_to_be_16(e_len);
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to->ptr[i % 4] = rte_cpu_to_be_64(e_vaddr);
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if (extra_len && (e_len >= extra_offset)) {
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/* Break the data at given offset */
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uint32_t next_len = e_len - extra_offset;
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uint64_t next_vaddr = e_vaddr + extra_offset;
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if (!extra_offset) {
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i--;
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} else {
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e_len = extra_offset;
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size -= e_len;
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to->u.s.len[i % 4] = rte_cpu_to_be_16(e_len);
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}
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extra_len = RTE_MIN(extra_len, size);
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/* Insert extra data ptr */
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if (extra_len) {
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i++;
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to = &list[i >> 2];
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to->u.s.len[i % 4] =
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rte_cpu_to_be_16(extra_len);
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to->ptr[i % 4] = rte_cpu_to_be_64(
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(uint64_t)extra_buf->vaddr);
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size -= extra_len;
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}
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next_len = RTE_MIN(next_len, size);
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/* insert the rest of the data */
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if (next_len) {
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i++;
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to = &list[i >> 2];
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to->u.s.len[i % 4] = rte_cpu_to_be_16(next_len);
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to->ptr[i % 4] = rte_cpu_to_be_64(next_vaddr);
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size -= next_len;
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}
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extra_len = 0;
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} else {
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size -= e_len;
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}
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if (extra_offset)
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extra_offset -= size;
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i++;
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}
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*psize = size;
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return (uint32_t)i;
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}
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static __rte_always_inline int
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cpt_enc_hmac_prep(uint32_t flags, uint64_t d_offs, uint64_t d_lens,
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struct roc_se_fc_params *fc_params, struct cpt_inst_s *inst)
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{
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uint32_t iv_offset = 0;
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int32_t inputlen, outputlen, enc_dlen, auth_dlen;
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struct roc_se_ctx *se_ctx;
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uint32_t cipher_type, hash_type;
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uint32_t mac_len, size;
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uint8_t iv_len = 16;
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struct roc_se_buf_ptr *aad_buf = NULL;
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uint32_t encr_offset, auth_offset;
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uint32_t encr_data_len, auth_data_len, aad_len = 0;
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uint32_t passthrough_len = 0;
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union cpt_inst_w4 cpt_inst_w4;
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void *offset_vaddr;
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uint8_t op_minor;
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encr_offset = ROC_SE_ENCR_OFFSET(d_offs);
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auth_offset = ROC_SE_AUTH_OFFSET(d_offs);
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encr_data_len = ROC_SE_ENCR_DLEN(d_lens);
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auth_data_len = ROC_SE_AUTH_DLEN(d_lens);
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if (unlikely(flags & ROC_SE_VALID_AAD_BUF)) {
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/* We don't support both AAD and auth data separately */
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auth_data_len = 0;
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auth_offset = 0;
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aad_len = fc_params->aad_buf.size;
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aad_buf = &fc_params->aad_buf;
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}
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se_ctx = fc_params->ctx_buf.vaddr;
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cipher_type = se_ctx->enc_cipher;
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hash_type = se_ctx->hash_type;
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mac_len = se_ctx->mac_len;
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op_minor = se_ctx->template_w4.s.opcode_minor;
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if (unlikely(!(flags & ROC_SE_VALID_IV_BUF))) {
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iv_len = 0;
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iv_offset = ROC_SE_ENCR_IV_OFFSET(d_offs);
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}
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if (unlikely(flags & ROC_SE_VALID_AAD_BUF)) {
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/*
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* When AAD is given, data above encr_offset is pass through
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* Since AAD is given as separate pointer and not as offset,
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* this is a special case as we need to fragment input data
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* into passthrough + encr_data and then insert AAD in between.
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*/
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if (hash_type != ROC_SE_GMAC_TYPE) {
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passthrough_len = encr_offset;
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auth_offset = passthrough_len + iv_len;
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encr_offset = passthrough_len + aad_len + iv_len;
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auth_data_len = aad_len + encr_data_len;
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} else {
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passthrough_len = 16 + aad_len;
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auth_offset = passthrough_len + iv_len;
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auth_data_len = aad_len;
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}
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} else {
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encr_offset += iv_len;
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auth_offset += iv_len;
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}
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/* Encryption */
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cpt_inst_w4.s.opcode_major = ROC_SE_MAJOR_OP_FC;
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cpt_inst_w4.s.opcode_minor = ROC_SE_FC_MINOR_OP_ENCRYPT;
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cpt_inst_w4.s.opcode_minor |= (uint64_t)op_minor;
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if (hash_type == ROC_SE_GMAC_TYPE) {
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encr_offset = 0;
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encr_data_len = 0;
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}
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auth_dlen = auth_offset + auth_data_len;
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enc_dlen = encr_data_len + encr_offset;
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if (unlikely(encr_data_len & 0xf)) {
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if ((cipher_type == ROC_SE_DES3_CBC) ||
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(cipher_type == ROC_SE_DES3_ECB))
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enc_dlen =
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RTE_ALIGN_CEIL(encr_data_len, 8) + encr_offset;
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else if (likely((cipher_type == ROC_SE_AES_CBC) ||
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(cipher_type == ROC_SE_AES_ECB)))
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enc_dlen =
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RTE_ALIGN_CEIL(encr_data_len, 8) + encr_offset;
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}
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if (unlikely(auth_dlen > enc_dlen)) {
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inputlen = auth_dlen;
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outputlen = auth_dlen + mac_len;
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} else {
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inputlen = enc_dlen;
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outputlen = enc_dlen + mac_len;
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}
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if (op_minor & ROC_SE_FC_MINOR_OP_HMAC_FIRST)
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outputlen = enc_dlen;
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/* GP op header */
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cpt_inst_w4.s.param1 = encr_data_len;
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cpt_inst_w4.s.param2 = auth_data_len;
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/*
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* In cn9k, cn10k since we have a limitation of
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* IV & Offset control word not part of instruction
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* and need to be part of Data Buffer, we check if
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* head room is there and then only do the Direct mode processing
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*/
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if (likely((flags & ROC_SE_SINGLE_BUF_INPLACE) &&
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(flags & ROC_SE_SINGLE_BUF_HEADROOM))) {
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void *dm_vaddr = fc_params->bufs[0].vaddr;
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/* Use Direct mode */
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offset_vaddr =
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(uint8_t *)dm_vaddr - ROC_SE_OFF_CTRL_LEN - iv_len;
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/* DPTR */
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inst->dptr = (uint64_t)offset_vaddr;
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/* RPTR should just exclude offset control word */
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inst->rptr = (uint64_t)dm_vaddr - iv_len;
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cpt_inst_w4.s.dlen = inputlen + ROC_SE_OFF_CTRL_LEN;
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if (likely(iv_len)) {
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uint64_t *dest = (uint64_t *)((uint8_t *)offset_vaddr +
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ROC_SE_OFF_CTRL_LEN);
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uint64_t *src = fc_params->iv_buf;
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dest[0] = src[0];
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dest[1] = src[1];
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}
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} else {
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void *m_vaddr = fc_params->meta_buf.vaddr;
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uint32_t i, g_size_bytes, s_size_bytes;
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struct roc_se_sglist_comp *gather_comp;
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struct roc_se_sglist_comp *scatter_comp;
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uint8_t *in_buffer;
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/* This falls under strict SG mode */
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offset_vaddr = m_vaddr;
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size = ROC_SE_OFF_CTRL_LEN + iv_len;
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m_vaddr = (uint8_t *)m_vaddr + size;
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cpt_inst_w4.s.opcode_major |= (uint64_t)ROC_SE_DMA_MODE;
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if (likely(iv_len)) {
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uint64_t *dest = (uint64_t *)((uint8_t *)offset_vaddr +
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ROC_SE_OFF_CTRL_LEN);
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uint64_t *src = fc_params->iv_buf;
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dest[0] = src[0];
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dest[1] = src[1];
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}
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/* DPTR has SG list */
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in_buffer = m_vaddr;
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((uint16_t *)in_buffer)[0] = 0;
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((uint16_t *)in_buffer)[1] = 0;
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/* TODO Add error check if space will be sufficient */
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gather_comp =
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(struct roc_se_sglist_comp *)((uint8_t *)m_vaddr + 8);
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/*
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* Input Gather List
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*/
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i = 0;
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/* Offset control word that includes iv */
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i = fill_sg_comp(gather_comp, i, (uint64_t)offset_vaddr,
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ROC_SE_OFF_CTRL_LEN + iv_len);
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/* Add input data */
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size = inputlen - iv_len;
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if (likely(size)) {
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uint32_t aad_offset = aad_len ? passthrough_len : 0;
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if (unlikely(flags & ROC_SE_SINGLE_BUF_INPLACE)) {
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i = fill_sg_comp_from_buf_min(
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gather_comp, i, fc_params->bufs, &size);
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} else {
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i = fill_sg_comp_from_iov(
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gather_comp, i, fc_params->src_iov, 0,
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&size, aad_buf, aad_offset);
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}
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if (unlikely(size)) {
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plt_dp_err("Insufficient buffer space,"
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" size %d needed",
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size);
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return -1;
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}
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}
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((uint16_t *)in_buffer)[2] = rte_cpu_to_be_16(i);
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g_size_bytes =
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((i + 3) / 4) * sizeof(struct roc_se_sglist_comp);
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/*
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* Output Scatter list
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*/
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i = 0;
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scatter_comp =
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(struct roc_se_sglist_comp *)((uint8_t *)gather_comp +
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g_size_bytes);
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/* Add IV */
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if (likely(iv_len)) {
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i = fill_sg_comp(scatter_comp, i,
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(uint64_t)offset_vaddr +
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ROC_SE_OFF_CTRL_LEN,
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iv_len);
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}
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/* output data or output data + digest*/
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if (unlikely(flags & ROC_SE_VALID_MAC_BUF)) {
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size = outputlen - iv_len - mac_len;
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if (size) {
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uint32_t aad_offset =
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aad_len ? passthrough_len : 0;
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if (unlikely(flags &
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ROC_SE_SINGLE_BUF_INPLACE)) {
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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_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);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static __rte_always_inline int
|
||||
fill_sess_aead(struct rte_crypto_sym_xform *xform, struct cnxk_se_sess *sess)
|
||||
{
|
||||
@ -392,4 +851,361 @@ fill_sess_gmac(struct rte_crypto_sym_xform *xform, struct cnxk_se_sess *sess)
|
||||
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;
|
||||
|
||||
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 = ENOTSUP;
|
||||
|
||||
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;
|
||||
}
|
||||
|
||||
#endif /*_CNXK_SE_H_ */
|
||||
|
||||
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