sr->iv.len = sr->ctx->iv.length - salt_size;
}
-static int
-extract_cipher_auth_digest(struct nitrox_softreq *sr,
- struct nitrox_sglist *digest)
-{
- struct rte_crypto_op *op = sr->op;
- struct rte_mbuf *mdst = op->sym->m_dst ? op->sym->m_dst :
- op->sym->m_src;
-
- if (sr->ctx->req_op == NITROX_OP_DECRYPT &&
- unlikely(!op->sym->auth.digest.data))
- return -EINVAL;
-
- digest->len = sr->ctx->digest_length;
- if (op->sym->auth.digest.data) {
- digest->iova = op->sym->auth.digest.phys_addr;
- digest->virt = op->sym->auth.digest.data;
- return 0;
- }
-
- if (unlikely(rte_pktmbuf_data_len(mdst) < op->sym->auth.data.offset +
- op->sym->auth.data.length + digest->len))
- return -EINVAL;
-
- digest->iova = rte_pktmbuf_iova_offset(mdst,
- op->sym->auth.data.offset +
- op->sym->auth.data.length);
- digest->virt = rte_pktmbuf_mtod_offset(mdst, uint8_t *,
- op->sym->auth.data.offset +
- op->sym->auth.data.length);
- return 0;
-}
-
static void
fill_sglist(struct nitrox_sgtable *sgtbl, uint16_t len, rte_iova_t iova,
void *virt)
return 0;
}
+static void
+create_sgcomp(struct nitrox_sgtable *sgtbl)
+{
+ int i, j, nr_sgcomp;
+ struct nitrox_sgcomp *sgcomp = sgtbl->sgcomp;
+ struct nitrox_sglist *sglist = sgtbl->sglist;
+
+ nr_sgcomp = RTE_ALIGN_MUL_CEIL(sgtbl->map_bufs_cnt, 4) / 4;
+ sgtbl->nr_sgcomp = nr_sgcomp;
+ for (i = 0; i < nr_sgcomp; i++, sgcomp++) {
+ for (j = 0; j < 4; j++, sglist++) {
+ sgcomp->len[j] = rte_cpu_to_be_16(sglist->len);
+ sgcomp->iova[j] = rte_cpu_to_be_64(sglist->iova);
+ }
+ }
+}
+
+static int
+create_cipher_inbuf(struct nitrox_softreq *sr)
+{
+ int err;
+ struct rte_crypto_op *op = sr->op;
+
+ fill_sglist(&sr->in, sr->iv.len, sr->iv.iova, sr->iv.virt);
+ err = create_sglist_from_mbuf(&sr->in, op->sym->m_src,
+ op->sym->cipher.data.offset,
+ op->sym->cipher.data.length);
+ if (unlikely(err))
+ return err;
+
+ create_sgcomp(&sr->in);
+ sr->dptr = sr->iova + offsetof(struct nitrox_softreq, in.sgcomp);
+
+ return 0;
+}
+
+static int
+create_cipher_outbuf(struct nitrox_softreq *sr)
+{
+ struct rte_crypto_op *op = sr->op;
+ int err, cnt = 0;
+ struct rte_mbuf *m_dst = op->sym->m_dst ? op->sym->m_dst :
+ op->sym->m_src;
+
+ sr->resp.orh = PENDING_SIG;
+ sr->out.sglist[cnt].len = sizeof(sr->resp.orh);
+ sr->out.sglist[cnt].iova = sr->iova + offsetof(struct nitrox_softreq,
+ resp.orh);
+ sr->out.sglist[cnt].virt = &sr->resp.orh;
+ cnt++;
+
+ sr->out.map_bufs_cnt = cnt;
+ fill_sglist(&sr->out, sr->iv.len, sr->iv.iova, sr->iv.virt);
+ err = create_sglist_from_mbuf(&sr->out, m_dst,
+ op->sym->cipher.data.offset,
+ op->sym->cipher.data.length);
+ if (unlikely(err))
+ return err;
+
+ cnt = sr->out.map_bufs_cnt;
+ sr->resp.completion = PENDING_SIG;
+ sr->out.sglist[cnt].len = sizeof(sr->resp.completion);
+ sr->out.sglist[cnt].iova = sr->iova + offsetof(struct nitrox_softreq,
+ resp.completion);
+ sr->out.sglist[cnt].virt = &sr->resp.completion;
+ cnt++;
+
+ RTE_VERIFY(cnt <= MAX_SGBUF_CNT);
+ sr->out.map_bufs_cnt = cnt;
+
+ create_sgcomp(&sr->out);
+ sr->rptr = sr->iova + offsetof(struct nitrox_softreq, out.sgcomp);
+
+ return 0;
+}
+
+static void
+create_cipher_gph(uint32_t cryptlen, uint16_t ivlen, struct gphdr *gph)
+{
+ gph->param0 = rte_cpu_to_be_16(cryptlen);
+ gph->param1 = 0;
+ gph->param2 = rte_cpu_to_be_16(ivlen);
+ gph->param3 = 0;
+}
+
+static int
+process_cipher_data(struct nitrox_softreq *sr)
+{
+ struct rte_crypto_op *op = sr->op;
+ int err;
+
+ softreq_copy_iv(sr, 0);
+ err = create_cipher_inbuf(sr);
+ if (unlikely(err))
+ return err;
+
+ err = create_cipher_outbuf(sr);
+ if (unlikely(err))
+ return err;
+
+ create_cipher_gph(op->sym->cipher.data.length, sr->iv.len, &sr->gph);
+
+ return 0;
+}
+
+static int
+extract_cipher_auth_digest(struct nitrox_softreq *sr,
+ struct nitrox_sglist *digest)
+{
+ struct rte_crypto_op *op = sr->op;
+ struct rte_mbuf *mdst = op->sym->m_dst ? op->sym->m_dst :
+ op->sym->m_src;
+
+ if (sr->ctx->req_op == NITROX_OP_DECRYPT &&
+ unlikely(!op->sym->auth.digest.data))
+ return -EINVAL;
+
+ digest->len = sr->ctx->digest_length;
+ if (op->sym->auth.digest.data) {
+ digest->iova = op->sym->auth.digest.phys_addr;
+ digest->virt = op->sym->auth.digest.data;
+ return 0;
+ }
+
+ if (unlikely(rte_pktmbuf_data_len(mdst) < op->sym->auth.data.offset +
+ op->sym->auth.data.length + digest->len))
+ return -EINVAL;
+
+ digest->iova = rte_pktmbuf_iova_offset(mdst,
+ op->sym->auth.data.offset +
+ op->sym->auth.data.length);
+ digest->virt = rte_pktmbuf_mtod_offset(mdst, uint8_t *,
+ op->sym->auth.data.offset +
+ op->sym->auth.data.length);
+ return 0;
+}
+
static int
create_cipher_auth_sglist(struct nitrox_softreq *sr,
struct nitrox_sgtable *sgtbl, struct rte_mbuf *mbuf)
return err;
}
-static void
-create_sgcomp(struct nitrox_sgtable *sgtbl)
-{
- int i, j, nr_sgcomp;
- struct nitrox_sgcomp *sgcomp = sgtbl->sgcomp;
- struct nitrox_sglist *sglist = sgtbl->sglist;
-
- nr_sgcomp = RTE_ALIGN_MUL_CEIL(sgtbl->map_bufs_cnt, 4) / 4;
- sgtbl->nr_sgcomp = nr_sgcomp;
- for (i = 0; i < nr_sgcomp; i++, sgcomp++) {
- for (j = 0; j < 4; j++, sglist++) {
- sgcomp->len[j] = rte_cpu_to_be_16(sglist->len);
- sgcomp->iova[j] = rte_cpu_to_be_64(sglist->iova);
- }
- }
-}
-
static int
create_aead_inbuf(struct nitrox_softreq *sr, struct nitrox_sglist *digest)
{
int err = 0;
switch (ctx->nitrox_chain) {
+ case NITROX_CHAIN_CIPHER_ONLY:
+ err = process_cipher_data(sr);
+ break;
case NITROX_CHAIN_CIPHER_AUTH:
case NITROX_CHAIN_AUTH_CIPHER:
err = process_cipher_auth_data(sr);
git.droids-corp.org / dpdk.git / blobdiff