#include <caam_jr_config.h>
#include <caam_jr_hw_specific.h>
#include <caam_jr_pvt.h>
+#include <caam_jr_desc.h>
#include <caam_jr_log.h>
/* RTA header files */
static int g_job_rings_no;
static int g_job_rings_max;
+struct sec_outring_entry {
+ phys_addr_t desc; /* Pointer to completed descriptor */
+ uint32_t status; /* Status for completed descriptor */
+} __rte_packed;
+
+/* virtual address conversin when mempool support is available for ctx */
+static inline phys_addr_t
+caam_jr_vtop_ctx(struct caam_jr_op_ctx *ctx, void *vaddr)
+{
+ PMD_INIT_FUNC_TRACE();
+ return (size_t)vaddr - ctx->vtop_offset;
+}
+
+static inline void
+caam_jr_op_ending(struct caam_jr_op_ctx *ctx)
+{
+ PMD_INIT_FUNC_TRACE();
+ /* report op status to sym->op and then free the ctx memeory */
+ rte_mempool_put(ctx->ctx_pool, (void *)ctx);
+}
+
+static inline struct caam_jr_op_ctx *
+caam_jr_alloc_ctx(struct caam_jr_session *ses)
+{
+ struct caam_jr_op_ctx *ctx;
+ int ret;
+
+ PMD_INIT_FUNC_TRACE();
+ ret = rte_mempool_get(ses->ctx_pool, (void **)(&ctx));
+ if (!ctx || ret) {
+ CAAM_JR_DP_WARN("Alloc sec descriptor failed!");
+ return NULL;
+ }
+ /*
+ * Clear SG memory. There are 16 SG entries of 16 Bytes each.
+ * one call to dcbz_64() clear 64 bytes, hence calling it 4 times
+ * to clear all the SG entries. caam_jr_alloc_ctx() is called for
+ * each packet, memset is costlier than dcbz_64().
+ */
+ dcbz_64(&ctx->sg[SG_CACHELINE_0]);
+ dcbz_64(&ctx->sg[SG_CACHELINE_1]);
+ dcbz_64(&ctx->sg[SG_CACHELINE_2]);
+ dcbz_64(&ctx->sg[SG_CACHELINE_3]);
+
+ ctx->ctx_pool = ses->ctx_pool;
+ ctx->vtop_offset = (size_t) ctx - rte_mempool_virt2iova(ctx);
+
+ return ctx;
+}
+
+static inline int
+is_cipher_only(struct caam_jr_session *ses)
+{
+ PMD_INIT_FUNC_TRACE();
+ return ((ses->cipher_alg != RTE_CRYPTO_CIPHER_NULL) &&
+ (ses->auth_alg == RTE_CRYPTO_AUTH_NULL));
+}
+
+static inline int
+is_auth_only(struct caam_jr_session *ses)
+{
+ PMD_INIT_FUNC_TRACE();
+ return ((ses->cipher_alg == RTE_CRYPTO_CIPHER_NULL) &&
+ (ses->auth_alg != RTE_CRYPTO_AUTH_NULL));
+}
+
+static inline int
+is_aead(struct caam_jr_session *ses)
+{
+ PMD_INIT_FUNC_TRACE();
+ return ((ses->cipher_alg == 0) &&
+ (ses->auth_alg == 0) &&
+ (ses->aead_alg != 0));
+}
+
+static inline int
+is_auth_cipher(struct caam_jr_session *ses)
+{
+ PMD_INIT_FUNC_TRACE();
+ return ((ses->cipher_alg != RTE_CRYPTO_CIPHER_NULL) &&
+ (ses->auth_alg != RTE_CRYPTO_AUTH_NULL));
+}
+
+static inline int
+is_encode(struct caam_jr_session *ses)
+{
+ PMD_INIT_FUNC_TRACE();
+ return ses->dir == DIR_ENC;
+}
+
+static inline int
+is_decode(struct caam_jr_session *ses)
+{
+ PMD_INIT_FUNC_TRACE();
+ return ses->dir == DIR_DEC;
+}
+
+static inline void
+caam_auth_alg(struct caam_jr_session *ses, struct alginfo *alginfo_a)
+{
+ PMD_INIT_FUNC_TRACE();
+ switch (ses->auth_alg) {
+ case RTE_CRYPTO_AUTH_NULL:
+ ses->digest_length = 0;
+ break;
+ case RTE_CRYPTO_AUTH_MD5_HMAC:
+ alginfo_a->algtype = OP_ALG_ALGSEL_MD5;
+ alginfo_a->algmode = OP_ALG_AAI_HMAC;
+ break;
+ case RTE_CRYPTO_AUTH_SHA1_HMAC:
+ alginfo_a->algtype = OP_ALG_ALGSEL_SHA1;
+ alginfo_a->algmode = OP_ALG_AAI_HMAC;
+ break;
+ case RTE_CRYPTO_AUTH_SHA224_HMAC:
+ alginfo_a->algtype = OP_ALG_ALGSEL_SHA224;
+ alginfo_a->algmode = OP_ALG_AAI_HMAC;
+ break;
+ case RTE_CRYPTO_AUTH_SHA256_HMAC:
+ alginfo_a->algtype = OP_ALG_ALGSEL_SHA256;
+ alginfo_a->algmode = OP_ALG_AAI_HMAC;
+ break;
+ case RTE_CRYPTO_AUTH_SHA384_HMAC:
+ alginfo_a->algtype = OP_ALG_ALGSEL_SHA384;
+ alginfo_a->algmode = OP_ALG_AAI_HMAC;
+ break;
+ case RTE_CRYPTO_AUTH_SHA512_HMAC:
+ alginfo_a->algtype = OP_ALG_ALGSEL_SHA512;
+ alginfo_a->algmode = OP_ALG_AAI_HMAC;
+ break;
+ default:
+ CAAM_JR_DEBUG("unsupported auth alg %u", ses->auth_alg);
+ }
+}
+
+static inline void
+caam_cipher_alg(struct caam_jr_session *ses, struct alginfo *alginfo_c)
+{
+ PMD_INIT_FUNC_TRACE();
+ switch (ses->cipher_alg) {
+ case RTE_CRYPTO_CIPHER_NULL:
+ break;
+ case RTE_CRYPTO_CIPHER_AES_CBC:
+ alginfo_c->algtype = OP_ALG_ALGSEL_AES;
+ alginfo_c->algmode = OP_ALG_AAI_CBC;
+ break;
+ case RTE_CRYPTO_CIPHER_3DES_CBC:
+ alginfo_c->algtype = OP_ALG_ALGSEL_3DES;
+ alginfo_c->algmode = OP_ALG_AAI_CBC;
+ break;
+ case RTE_CRYPTO_CIPHER_AES_CTR:
+ alginfo_c->algtype = OP_ALG_ALGSEL_AES;
+ alginfo_c->algmode = OP_ALG_AAI_CTR;
+ break;
+ default:
+ CAAM_JR_DEBUG("unsupported cipher alg %d", ses->cipher_alg);
+ }
+}
+
+static inline void
+caam_aead_alg(struct caam_jr_session *ses, struct alginfo *alginfo)
+{
+ PMD_INIT_FUNC_TRACE();
+ switch (ses->aead_alg) {
+ case RTE_CRYPTO_AEAD_AES_GCM:
+ alginfo->algtype = OP_ALG_ALGSEL_AES;
+ alginfo->algmode = OP_ALG_AAI_GCM;
+ break;
+ default:
+ CAAM_JR_DEBUG("unsupported AEAD alg %d", ses->aead_alg);
+ }
+}
+
+/* prepare command block of the session */
+static int
+caam_jr_prep_cdb(struct caam_jr_session *ses)
+{
+ struct alginfo alginfo_c = {0}, alginfo_a = {0}, alginfo = {0};
+ int32_t shared_desc_len = 0;
+ struct sec_cdb *cdb;
+ int err;
+#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
+ int swap = false;
+#else
+ int swap = true;
+#endif
+
+ PMD_INIT_FUNC_TRACE();
+ if (ses->cdb)
+ caam_jr_dma_free(ses->cdb);
+
+ cdb = caam_jr_dma_mem_alloc(L1_CACHE_BYTES, sizeof(struct sec_cdb));
+ if (!cdb) {
+ CAAM_JR_ERR("failed to allocate memory for cdb\n");
+ return -1;
+ }
+
+ ses->cdb = cdb;
+
+ memset(cdb, 0, sizeof(struct sec_cdb));
+
+ if (is_cipher_only(ses)) {
+ caam_cipher_alg(ses, &alginfo_c);
+ if (alginfo_c.algtype == (unsigned int)CAAM_JR_ALG_UNSUPPORT) {
+ CAAM_JR_ERR("not supported cipher alg");
+ rte_free(cdb);
+ return -ENOTSUP;
+ }
+
+ alginfo_c.key = (size_t)ses->cipher_key.data;
+ alginfo_c.keylen = ses->cipher_key.length;
+ alginfo_c.key_enc_flags = 0;
+ alginfo_c.key_type = RTA_DATA_IMM;
+
+ shared_desc_len = cnstr_shdsc_blkcipher(
+ cdb->sh_desc, true,
+ swap, &alginfo_c,
+ NULL,
+ ses->iv.length,
+ ses->dir);
+ } else if (is_auth_only(ses)) {
+ caam_auth_alg(ses, &alginfo_a);
+ if (alginfo_a.algtype == (unsigned int)CAAM_JR_ALG_UNSUPPORT) {
+ CAAM_JR_ERR("not supported auth alg");
+ rte_free(cdb);
+ return -ENOTSUP;
+ }
+
+ alginfo_a.key = (size_t)ses->auth_key.data;
+ alginfo_a.keylen = ses->auth_key.length;
+ alginfo_a.key_enc_flags = 0;
+ alginfo_a.key_type = RTA_DATA_IMM;
+
+ shared_desc_len = cnstr_shdsc_hmac(cdb->sh_desc, true,
+ swap, &alginfo_a,
+ !ses->dir,
+ ses->digest_length);
+ } else if (is_aead(ses)) {
+ caam_aead_alg(ses, &alginfo);
+ if (alginfo.algtype == (unsigned int)CAAM_JR_ALG_UNSUPPORT) {
+ CAAM_JR_ERR("not supported aead alg");
+ rte_free(cdb);
+ return -ENOTSUP;
+ }
+ alginfo.key = (size_t)ses->aead_key.data;
+ alginfo.keylen = ses->aead_key.length;
+ alginfo.key_enc_flags = 0;
+ alginfo.key_type = RTA_DATA_IMM;
+
+ if (ses->dir == DIR_ENC)
+ shared_desc_len = cnstr_shdsc_gcm_encap(
+ cdb->sh_desc, true, swap,
+ &alginfo,
+ ses->iv.length,
+ ses->digest_length);
+ else
+ shared_desc_len = cnstr_shdsc_gcm_decap(
+ cdb->sh_desc, true, swap,
+ &alginfo,
+ ses->iv.length,
+ ses->digest_length);
+ } else {
+ caam_cipher_alg(ses, &alginfo_c);
+ if (alginfo_c.algtype == (unsigned int)CAAM_JR_ALG_UNSUPPORT) {
+ CAAM_JR_ERR("not supported cipher alg");
+ rte_free(cdb);
+ return -ENOTSUP;
+ }
+
+ alginfo_c.key = (size_t)ses->cipher_key.data;
+ alginfo_c.keylen = ses->cipher_key.length;
+ alginfo_c.key_enc_flags = 0;
+ alginfo_c.key_type = RTA_DATA_IMM;
+
+ caam_auth_alg(ses, &alginfo_a);
+ if (alginfo_a.algtype == (unsigned int)CAAM_JR_ALG_UNSUPPORT) {
+ CAAM_JR_ERR("not supported auth alg");
+ rte_free(cdb);
+ return -ENOTSUP;
+ }
+
+ alginfo_a.key = (size_t)ses->auth_key.data;
+ alginfo_a.keylen = ses->auth_key.length;
+ alginfo_a.key_enc_flags = 0;
+ alginfo_a.key_type = RTA_DATA_IMM;
+
+ cdb->sh_desc[0] = alginfo_c.keylen;
+ cdb->sh_desc[1] = alginfo_a.keylen;
+ err = rta_inline_query(IPSEC_AUTH_VAR_AES_DEC_BASE_DESC_LEN,
+ MIN_JOB_DESC_SIZE,
+ (unsigned int *)cdb->sh_desc,
+ &cdb->sh_desc[2], 2);
+
+ if (err < 0) {
+ CAAM_JR_ERR("Crypto: Incorrect key lengths");
+ rte_free(cdb);
+ return err;
+ }
+ if (cdb->sh_desc[2] & 1)
+ alginfo_c.key_type = RTA_DATA_IMM;
+ else {
+ alginfo_c.key = (size_t)caam_jr_mem_vtop(
+ (void *)(size_t)alginfo_c.key);
+ alginfo_c.key_type = RTA_DATA_PTR;
+ }
+ if (cdb->sh_desc[2] & (1<<1))
+ alginfo_a.key_type = RTA_DATA_IMM;
+ else {
+ alginfo_a.key = (size_t)caam_jr_mem_vtop(
+ (void *)(size_t)alginfo_a.key);
+ alginfo_a.key_type = RTA_DATA_PTR;
+ }
+ cdb->sh_desc[0] = 0;
+ cdb->sh_desc[1] = 0;
+ cdb->sh_desc[2] = 0;
+ /* Auth_only_len is set as 0 here and it will be
+ * overwritten in fd for each packet.
+ */
+ shared_desc_len = cnstr_shdsc_authenc(cdb->sh_desc,
+ true, swap, &alginfo_c, &alginfo_a,
+ ses->iv.length, 0,
+ ses->digest_length, ses->dir);
+ }
+
+ if (shared_desc_len < 0) {
+ CAAM_JR_ERR("error in preparing command block");
+ return shared_desc_len;
+ }
+
+#if CAAM_JR_DBG
+ SEC_DUMP_DESC(cdb->sh_desc);
+#endif
+
+ cdb->sh_hdr.hi.field.idlen = shared_desc_len;
+
+ return 0;
+}
+
/* @brief Poll the HW for already processed jobs in the JR
* and silently discard the available jobs or notify them to UA
* with indicated error code.
}
}
+/* @brief Poll the HW for already processed jobs in the JR
+ * and notify the available jobs to UA.
+ *
+ * @param [in] job_ring The job ring to poll.
+ * @param [in] limit The maximum number of jobs to notify.
+ * If set to negative value, all available jobs are
+ * notified.
+ *
+ * @retval >=0 for No of jobs notified to UA.
+ * @retval -1 for error
+ */
+static int
+hw_poll_job_ring(struct sec_job_ring_t *job_ring,
+ struct rte_crypto_op **ops, int32_t limit,
+ struct caam_jr_qp *jr_qp)
+{
+ int32_t jobs_no_to_notify = 0; /* the number of done jobs to notify*/
+ int32_t number_of_jobs_available = 0;
+ int32_t notified_descs_no = 0;
+ uint32_t sec_error_code = 0;
+ struct job_descriptor *current_desc;
+ phys_addr_t current_desc_addr;
+ phys_addr_t *temp_addr;
+ struct caam_jr_op_ctx *ctx;
+
+ PMD_INIT_FUNC_TRACE();
+ /* TODO check for ops have memory*/
+ /* check here if any JR error that cannot be written
+ * in the output status word has occurred
+ */
+ if (JR_REG_JRINT_JRE_EXTRACT(GET_JR_REG(JRINT, job_ring))) {
+ CAAM_JR_INFO("err received");
+ sec_error_code = JR_REG_JRINT_ERR_TYPE_EXTRACT(
+ GET_JR_REG(JRINT, job_ring));
+ if (unlikely(sec_error_code)) {
+ hw_job_ring_error_print(job_ring, sec_error_code);
+ return -1;
+ }
+ }
+ /* compute the number of jobs available in the job ring based on the
+ * producer and consumer index values.
+ */
+ number_of_jobs_available = hw_get_no_finished_jobs(job_ring);
+ /* Compute the number of notifications that need to be raised to UA
+ * If limit > total number of done jobs -> notify all done jobs
+ * If limit = 0 -> error
+ * If limit < total number of done jobs -> notify a number
+ * of done jobs equal with limit
+ */
+ jobs_no_to_notify = (limit > number_of_jobs_available) ?
+ number_of_jobs_available : limit;
+ CAAM_JR_DP_DEBUG(
+ "Jr[%p] pi[%d] ci[%d].limit =%d Available=%d.Jobs to notify=%d",
+ job_ring, job_ring->pidx, job_ring->cidx,
+ limit, number_of_jobs_available, jobs_no_to_notify);
+
+ rte_smp_rmb();
+
+ while (jobs_no_to_notify > notified_descs_no) {
+ static uint64_t false_alarm;
+ static uint64_t real_poll;
+
+ /* Get job status here */
+ sec_error_code = job_ring->output_ring[job_ring->cidx].status;
+ /* Get completed descriptor */
+ temp_addr = &(job_ring->output_ring[job_ring->cidx].desc);
+ current_desc_addr = (phys_addr_t)sec_read_addr(temp_addr);
+
+ real_poll++;
+ /* todo check if it is false alarm no desc present */
+ if (!current_desc_addr) {
+ false_alarm++;
+ printf("false alarm %" PRIu64 "real %" PRIu64
+ " sec_err =0x%x cidx Index =0%d\n",
+ false_alarm, real_poll,
+ sec_error_code, job_ring->cidx);
+ rte_panic("CAAM JR descriptor NULL");
+ return notified_descs_no;
+ }
+ current_desc = (struct job_descriptor *)
+ caam_jr_dma_ptov(current_desc_addr);
+ /* now increment the consumer index for the current job ring,
+ * AFTER saving job in temporary location!
+ */
+ job_ring->cidx = SEC_CIRCULAR_COUNTER(job_ring->cidx,
+ SEC_JOB_RING_SIZE);
+ /* Signal that the job has been processed and the slot is free*/
+ hw_remove_entries(job_ring, 1);
+ /*TODO for multiple ops, packets*/
+ ctx = container_of(current_desc, struct caam_jr_op_ctx, jobdes);
+ if (unlikely(sec_error_code)) {
+ CAAM_JR_ERR("desc at cidx %d generated error 0x%x\n",
+ job_ring->cidx, sec_error_code);
+ hw_handle_job_ring_error(job_ring, sec_error_code);
+ //todo improve with exact errors
+ ctx->op->status = RTE_CRYPTO_OP_STATUS_ERROR;
+ jr_qp->rx_errs++;
+ } else {
+ ctx->op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
+#if CAAM_JR_DBG
+ if (ctx->op->sym->m_dst) {
+ rte_hexdump(stdout, "PROCESSED",
+ rte_pktmbuf_mtod(ctx->op->sym->m_dst, void *),
+ rte_pktmbuf_data_len(ctx->op->sym->m_dst));
+ } else {
+ rte_hexdump(stdout, "PROCESSED",
+ rte_pktmbuf_mtod(ctx->op->sym->m_src, void *),
+ rte_pktmbuf_data_len(ctx->op->sym->m_src));
+ }
+#endif
+ }
+ if (ctx->op->sess_type == RTE_CRYPTO_OP_SECURITY_SESSION) {
+ struct ip *ip4_hdr;
+
+ if (ctx->op->sym->m_dst) {
+ /*TODO check for ip header or other*/
+ ip4_hdr = (struct ip *)
+ rte_pktmbuf_mtod(ctx->op->sym->m_dst, char*);
+ ctx->op->sym->m_dst->pkt_len =
+ rte_be_to_cpu_16(ip4_hdr->ip_len);
+ ctx->op->sym->m_dst->data_len =
+ rte_be_to_cpu_16(ip4_hdr->ip_len);
+ } else {
+ ip4_hdr = (struct ip *)
+ rte_pktmbuf_mtod(ctx->op->sym->m_src, char*);
+ ctx->op->sym->m_src->pkt_len =
+ rte_be_to_cpu_16(ip4_hdr->ip_len);
+ ctx->op->sym->m_src->data_len =
+ rte_be_to_cpu_16(ip4_hdr->ip_len);
+ }
+ }
+ *ops = ctx->op;
+ caam_jr_op_ending(ctx);
+ ops++;
+ notified_descs_no++;
+ }
+ return notified_descs_no;
+}
+
+static uint16_t
+caam_jr_dequeue_burst(void *qp, struct rte_crypto_op **ops,
+ uint16_t nb_ops)
+{
+ struct caam_jr_qp *jr_qp = (struct caam_jr_qp *)qp;
+ struct sec_job_ring_t *ring = jr_qp->ring;
+ int num_rx;
+ int ret;
+
+ PMD_INIT_FUNC_TRACE();
+ CAAM_JR_DP_DEBUG("Jr[%p]Polling. limit[%d]", ring, nb_ops);
+
+ /* Poll job ring
+ * If nb_ops < 0 -> poll JR until no more notifications are available.
+ * If nb_ops > 0 -> poll JR until limit is reached.
+ */
+
+ /* Run hw poll job ring */
+ num_rx = hw_poll_job_ring(ring, ops, nb_ops, jr_qp);
+ if (num_rx < 0) {
+ CAAM_JR_ERR("Error polling SEC engine (%d)", num_rx);
+ return 0;
+ }
+
+ CAAM_JR_DP_DEBUG("Jr[%p].Jobs notified[%d]. ", ring, num_rx);
+
+ if (ring->jr_mode == SEC_NOTIFICATION_TYPE_NAPI) {
+ if (num_rx < nb_ops) {
+ ret = caam_jr_enable_irqs(ring->irq_fd);
+ SEC_ASSERT(ret == 0, ret,
+ "Failed to enable irqs for job ring %p", ring);
+ }
+ } else if (ring->jr_mode == SEC_NOTIFICATION_TYPE_IRQ) {
+
+ /* Always enable IRQ generation when in pure IRQ mode */
+ ret = caam_jr_enable_irqs(ring->irq_fd);
+ SEC_ASSERT(ret == 0, ret,
+ "Failed to enable irqs for job ring %p", ring);
+ }
+
+ jr_qp->rx_pkts += num_rx;
+
+ return num_rx;
+}
+
+static inline struct caam_jr_op_ctx *
+build_auth_only(struct rte_crypto_op *op, struct caam_jr_session *ses)
+{
+ struct rte_crypto_sym_op *sym = op->sym;
+ struct caam_jr_op_ctx *ctx;
+ struct sec4_sg_entry *sg;
+ rte_iova_t start_addr;
+ struct sec_cdb *cdb;
+ uint64_t sdesc_offset;
+ struct sec_job_descriptor_t *jobdescr;
+
+ PMD_INIT_FUNC_TRACE();
+ ctx = caam_jr_alloc_ctx(ses);
+ if (!ctx)
+ return NULL;
+
+ ctx->op = op;
+
+ cdb = ses->cdb;
+ sdesc_offset = (size_t) ((char *)&cdb->sh_desc - (char *)cdb);
+
+ start_addr = rte_pktmbuf_iova(sym->m_src);
+
+ jobdescr = (struct sec_job_descriptor_t *) ctx->jobdes.desc;
+
+ SEC_JD_INIT(jobdescr);
+ SEC_JD_SET_SD(jobdescr,
+ (phys_addr_t)(caam_jr_dma_vtop(cdb)) + sdesc_offset,
+ cdb->sh_hdr.hi.field.idlen);
+
+ /* output */
+ SEC_JD_SET_OUT_PTR(jobdescr, (uint64_t)sym->auth.digest.phys_addr,
+ 0, ses->digest_length);
+
+ /*input */
+ if (is_decode(ses)) {
+ sg = &ctx->sg[0];
+ SEC_JD_SET_IN_PTR(jobdescr,
+ (uint64_t)caam_jr_vtop_ctx(ctx, sg), 0,
+ (sym->auth.data.length + ses->digest_length));
+ /* enabling sg list */
+ (jobdescr)->seq_in.command.word |= 0x01000000;
+
+ /* hash result or digest, save digest first */
+ rte_memcpy(ctx->digest, sym->auth.digest.data,
+ ses->digest_length);
+ sg->ptr = cpu_to_caam64(start_addr + sym->auth.data.offset);
+ sg->len = cpu_to_caam32(sym->auth.data.length);
+
+#if CAAM_JR_DBG
+ rte_hexdump(stdout, "ICV", ctx->digest, ses->digest_length);
+#endif
+ /* let's check digest by hw */
+ sg++;
+ sg->ptr = cpu_to_caam64(caam_jr_vtop_ctx(ctx, ctx->digest));
+ sg->len = cpu_to_caam32(ses->digest_length);
+ /* last element*/
+ sg->len |= cpu_to_caam32(SEC4_SG_LEN_FIN);
+ } else {
+ SEC_JD_SET_IN_PTR(jobdescr, (uint64_t)start_addr,
+ sym->auth.data.offset, sym->auth.data.length);
+ }
+ return ctx;
+}
+
+static inline struct caam_jr_op_ctx *
+build_cipher_only(struct rte_crypto_op *op, struct caam_jr_session *ses)
+{
+ struct rte_crypto_sym_op *sym = op->sym;
+ struct caam_jr_op_ctx *ctx;
+ struct sec4_sg_entry *sg;
+ rte_iova_t src_start_addr, dst_start_addr;
+ struct sec_cdb *cdb;
+ uint64_t sdesc_offset;
+ uint8_t *IV_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
+ ses->iv.offset);
+ struct sec_job_descriptor_t *jobdescr;
+
+ PMD_INIT_FUNC_TRACE();
+ ctx = caam_jr_alloc_ctx(ses);
+ if (!ctx)
+ return NULL;
+
+ ctx->op = op;
+ cdb = ses->cdb;
+ sdesc_offset = (size_t) ((char *)&cdb->sh_desc - (char *)cdb);
+
+ src_start_addr = rte_pktmbuf_iova(sym->m_src);
+ if (sym->m_dst)
+ dst_start_addr = rte_pktmbuf_iova(sym->m_dst);
+ else
+ dst_start_addr = src_start_addr;
+
+ jobdescr = (struct sec_job_descriptor_t *) ctx->jobdes.desc;
+
+ SEC_JD_INIT(jobdescr);
+ SEC_JD_SET_SD(jobdescr,
+ (phys_addr_t)(caam_jr_dma_vtop(cdb)) + sdesc_offset,
+ cdb->sh_hdr.hi.field.idlen);
+
+#if CAAM_JR_DBG
+ CAAM_JR_INFO("mbuf offset =%d, cipher offset = %d, length =%d+%d",
+ sym->m_src->data_off, sym->cipher.data.offset,
+ sym->cipher.data.length, ses->iv.length);
+#endif
+ /* output */
+ SEC_JD_SET_OUT_PTR(jobdescr, (uint64_t)dst_start_addr,
+ sym->cipher.data.offset,
+ sym->cipher.data.length + ses->iv.length);
+
+ /*input */
+ sg = &ctx->sg[0];
+ SEC_JD_SET_IN_PTR(jobdescr, (uint64_t)caam_jr_vtop_ctx(ctx, sg), 0,
+ sym->cipher.data.length + ses->iv.length);
+ /*enabling sg bit */
+ (jobdescr)->seq_in.command.word |= 0x01000000;
+
+ sg->ptr = cpu_to_caam64(caam_jr_dma_vtop(IV_ptr));
+ sg->len = cpu_to_caam32(ses->iv.length);
+
+ sg = &ctx->sg[1];
+ sg->ptr = cpu_to_caam64(src_start_addr + sym->cipher.data.offset);
+ sg->len = cpu_to_caam32(sym->cipher.data.length);
+ /* last element*/
+ sg->len |= cpu_to_caam32(SEC4_SG_LEN_FIN);
+
+ return ctx;
+}
+
+static inline struct caam_jr_op_ctx *
+build_cipher_auth(struct rte_crypto_op *op, struct caam_jr_session *ses)
+{
+ struct rte_crypto_sym_op *sym = op->sym;
+ struct caam_jr_op_ctx *ctx;
+ struct sec4_sg_entry *sg;
+ rte_iova_t src_start_addr, dst_start_addr;
+ uint32_t length = 0;
+ struct sec_cdb *cdb;
+ uint64_t sdesc_offset;
+ uint8_t *IV_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
+ ses->iv.offset);
+ struct sec_job_descriptor_t *jobdescr;
+ uint32_t auth_only_len;
+
+ PMD_INIT_FUNC_TRACE();
+ auth_only_len = op->sym->auth.data.length -
+ op->sym->cipher.data.length;
+
+ src_start_addr = rte_pktmbuf_iova(sym->m_src);
+ if (sym->m_dst)
+ dst_start_addr = rte_pktmbuf_iova(sym->m_dst);
+ else
+ dst_start_addr = src_start_addr;
+
+ ctx = caam_jr_alloc_ctx(ses);
+ if (!ctx)
+ return NULL;
+
+ ctx->op = op;
+ cdb = ses->cdb;
+ sdesc_offset = (size_t) ((char *)&cdb->sh_desc - (char *)cdb);
+
+ jobdescr = (struct sec_job_descriptor_t *) ctx->jobdes.desc;
+
+ SEC_JD_INIT(jobdescr);
+ SEC_JD_SET_SD(jobdescr,
+ (phys_addr_t)(caam_jr_dma_vtop(cdb)) + sdesc_offset,
+ cdb->sh_hdr.hi.field.idlen);
+
+ /* input */
+ sg = &ctx->sg[0];
+ if (is_encode(ses)) {
+ sg->ptr = cpu_to_caam64(caam_jr_dma_vtop(IV_ptr));
+ sg->len = cpu_to_caam32(ses->iv.length);
+ length += ses->iv.length;
+
+ sg++;
+ sg->ptr = cpu_to_caam64(src_start_addr + sym->auth.data.offset);
+ sg->len = cpu_to_caam32(sym->auth.data.length);
+ length += sym->auth.data.length;
+ /* last element*/
+ sg->len |= cpu_to_caam32(SEC4_SG_LEN_FIN);
+ } else {
+ sg->ptr = cpu_to_caam64(caam_jr_dma_vtop(IV_ptr));
+ sg->len = cpu_to_caam32(ses->iv.length);
+ length += ses->iv.length;
+
+ sg++;
+ sg->ptr = cpu_to_caam64(src_start_addr + sym->auth.data.offset);
+ sg->len = cpu_to_caam32(sym->auth.data.length);
+ length += sym->auth.data.length;
+
+ rte_memcpy(ctx->digest, sym->auth.digest.data,
+ ses->digest_length);
+ sg++;
+ sg->ptr = cpu_to_caam64(caam_jr_dma_vtop(ctx->digest));
+ sg->len = cpu_to_caam32(ses->digest_length);
+ length += ses->digest_length;
+ /* last element*/
+ sg->len |= cpu_to_caam32(SEC4_SG_LEN_FIN);
+ }
+
+ SEC_JD_SET_IN_PTR(jobdescr, (uint64_t)caam_jr_dma_vtop(&ctx->sg[0]), 0,
+ length);
+ /* set sg bit */
+ (jobdescr)->seq_in.command.word |= 0x01000000;
+
+ /* output */
+ sg = &ctx->sg[6];
+
+ sg->ptr = cpu_to_caam64(dst_start_addr + sym->cipher.data.offset);
+ sg->len = cpu_to_caam32(sym->cipher.data.length);
+ length = sym->cipher.data.length;
+
+ if (is_encode(ses)) {
+ /* set auth output */
+ sg++;
+ sg->ptr = cpu_to_caam64(sym->auth.digest.phys_addr);
+ sg->len = cpu_to_caam32(ses->digest_length);
+ length += ses->digest_length;
+ }
+ /* last element*/
+ sg->len |= cpu_to_caam32(SEC4_SG_LEN_FIN);
+
+ SEC_JD_SET_OUT_PTR(jobdescr,
+ (uint64_t)caam_jr_dma_vtop(&ctx->sg[6]), 0, length);
+ /* set sg bit */
+ (jobdescr)->seq_out.command.word |= 0x01000000;
+
+ /* Auth_only_len is set as 0 in descriptor and it is
+ * overwritten here in the jd which will update
+ * the DPOVRD reg.
+ */
+ if (auth_only_len)
+ /* set sg bit */
+ (jobdescr)->dpovrd = 0x80000000 | auth_only_len;
+
+ return ctx;
+}
+static int
+caam_jr_enqueue_op(struct rte_crypto_op *op, struct caam_jr_qp *qp)
+{
+ struct sec_job_ring_t *ring = qp->ring;
+ struct caam_jr_session *ses;
+ struct caam_jr_op_ctx *ctx = NULL;
+ struct sec_job_descriptor_t *jobdescr __rte_unused;
+
+ PMD_INIT_FUNC_TRACE();
+ switch (op->sess_type) {
+ case RTE_CRYPTO_OP_WITH_SESSION:
+ ses = (struct caam_jr_session *)
+ get_sym_session_private_data(op->sym->session,
+ cryptodev_driver_id);
+ break;
+ default:
+ CAAM_JR_DP_ERR("sessionless crypto op not supported");
+ qp->tx_errs++;
+ return -1;
+ }
+
+ if (unlikely(!ses->qp || ses->qp != qp)) {
+ CAAM_JR_DP_DEBUG("Old:sess->qp=%p New qp = %p\n", ses->qp, qp);
+ ses->qp = qp;
+ caam_jr_prep_cdb(ses);
+ }
+
+ if (rte_pktmbuf_is_contiguous(op->sym->m_src)) {
+ if (is_auth_cipher(ses))
+ ctx = build_cipher_auth(op, ses);
+ else if (is_aead(ses))
+ goto err1;
+ else if (is_auth_only(ses))
+ ctx = build_auth_only(op, ses);
+ else if (is_cipher_only(ses))
+ ctx = build_cipher_only(op, ses);
+ } else {
+ if (is_aead(ses))
+ goto err1;
+ }
+err1:
+ if (unlikely(!ctx)) {
+ qp->tx_errs++;
+ CAAM_JR_ERR("not supported sec op");
+ return -1;
+ }
+#if CAAM_JR_DBG
+ if (is_decode(ses))
+ rte_hexdump(stdout, "DECODE",
+ rte_pktmbuf_mtod(op->sym->m_src, void *),
+ rte_pktmbuf_data_len(op->sym->m_src));
+ else
+ rte_hexdump(stdout, "ENCODE",
+ rte_pktmbuf_mtod(op->sym->m_src, void *),
+ rte_pktmbuf_data_len(op->sym->m_src));
+
+ printf("\n JD before conversion\n");
+ for (int i = 0; i < 12; i++)
+ printf("\n 0x%08x", ctx->jobdes.desc[i]);
+#endif
+
+ CAAM_JR_DP_DEBUG("Jr[%p] pi[%d] ci[%d].Before sending desc",
+ ring, ring->pidx, ring->cidx);
+
+ /* todo - do we want to retry */
+ if (SEC_JOB_RING_IS_FULL(ring->pidx, ring->cidx,
+ SEC_JOB_RING_SIZE, SEC_JOB_RING_SIZE)) {
+ CAAM_JR_DP_DEBUG("Ring FULL Jr[%p] pi[%d] ci[%d].Size = %d",
+ ring, ring->pidx, ring->cidx, SEC_JOB_RING_SIZE);
+ caam_jr_op_ending(ctx);
+ qp->tx_ring_full++;
+ return -EBUSY;
+ }
+
+#if CORE_BYTE_ORDER != CAAM_BYTE_ORDER
+ jobdescr = (struct sec_job_descriptor_t *) ctx->jobdes.desc;
+
+ jobdescr->deschdr.command.word =
+ cpu_to_caam32(jobdescr->deschdr.command.word);
+ jobdescr->sd_ptr = cpu_to_caam64(jobdescr->sd_ptr);
+ jobdescr->seq_out.command.word =
+ cpu_to_caam32(jobdescr->seq_out.command.word);
+ jobdescr->seq_out_ptr = cpu_to_caam64(jobdescr->seq_out_ptr);
+ jobdescr->out_ext_length = cpu_to_caam32(jobdescr->out_ext_length);
+ jobdescr->seq_in.command.word =
+ cpu_to_caam32(jobdescr->seq_in.command.word);
+ jobdescr->seq_in_ptr = cpu_to_caam64(jobdescr->seq_in_ptr);
+ jobdescr->in_ext_length = cpu_to_caam32(jobdescr->in_ext_length);
+ jobdescr->load_dpovrd.command.word =
+ cpu_to_caam32(jobdescr->load_dpovrd.command.word);
+ jobdescr->dpovrd = cpu_to_caam32(jobdescr->dpovrd);
+#endif
+
+ /* Set ptr in input ring to current descriptor */
+ sec_write_addr(&ring->input_ring[ring->pidx],
+ (phys_addr_t)caam_jr_vtop_ctx(ctx, ctx->jobdes.desc));
+ rte_smp_wmb();
+
+ /* Notify HW that a new job is enqueued */
+ hw_enqueue_desc_on_job_ring(ring);
+
+ /* increment the producer index for the current job ring */
+ ring->pidx = SEC_CIRCULAR_COUNTER(ring->pidx, SEC_JOB_RING_SIZE);
+
+ return 0;
+}
+
+static uint16_t
+caam_jr_enqueue_burst(void *qp, struct rte_crypto_op **ops,
+ uint16_t nb_ops)
+{
+ /* Function to transmit the frames to given device and queuepair */
+ uint32_t loop;
+ int32_t ret;
+ struct caam_jr_qp *jr_qp = (struct caam_jr_qp *)qp;
+ uint16_t num_tx = 0;
+
+ PMD_INIT_FUNC_TRACE();
+ /*Prepare each packet which is to be sent*/
+ for (loop = 0; loop < nb_ops; loop++) {
+ ret = caam_jr_enqueue_op(ops[loop], jr_qp);
+ if (!ret)
+ num_tx++;
+ }
+
+ jr_qp->tx_pkts += num_tx;
+
+ return num_tx;
+}
+
/* Release queue pair */
static int
caam_jr_queue_pair_release(struct rte_cryptodev *dev,
dev->dev_ops = &caam_jr_ops;
/* register rx/tx burst functions for data path */
- dev->dequeue_burst = NULL;
- dev->enqueue_burst = NULL;
+ dev->dequeue_burst = caam_jr_dequeue_burst;
+ dev->enqueue_burst = caam_jr_enqueue_burst;
dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
RTE_CRYPTODEV_FF_HW_ACCELERATED |
RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
--- /dev/null
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2017-2018 NXP
+ */
+
+#ifndef CAAM_JR_DESC_H
+#define CAAM_JR_DESC_H
+
+#define CMD_HDR_CTYPE_SD 0x16
+#define CMD_HDR_CTYPE_JD 0x17
+
+/* The maximum size of a SEC descriptor, in WORDs (32 bits). */
+#define MAX_DESC_SIZE_WORDS 64
+
+/*
+ * Macros manipulating descriptors
+ */
+/* Macro for setting the SD pointer in a JD. Common for all protocols
+ * supported by the SEC driver.
+ */
+#define SEC_JD_SET_SD(descriptor, ptr, len) { \
+ (descriptor)->sd_ptr = (ptr); \
+ (descriptor)->deschdr.command.jd.shr_desc_len = (len); \
+}
+
+/* Macro for setting a pointer to the job which this descriptor processes.
+ * It eases the lookup procedure for identifying the descriptor that has
+ * completed.
+ */
+#define SEC_JD_SET_JOB_PTR(descriptor, ptr) \
+ ((descriptor)->job_ptr = (ptr))
+
+/* Macro for setting up a JD. The structure of the JD is common across all
+ * supported protocols, thus its structure is identical.
+ */
+#define SEC_JD_INIT(descriptor) ({ \
+ /* CTYPE = job descriptor \
+ * RSMS, DNR = 0
+ * ONE = 1
+ * Start Index = 0
+ * ZRO,TD, MTD = 0
+ * SHR = 1 (there's a shared descriptor referenced
+ * by this job descriptor,pointer in next word)
+ * REO = 1 (execute job descr. first, shared descriptor
+ * after)
+ * SHARE = DEFER
+ * Descriptor Length = 0 ( to be completed @ runtime ) */ \
+ (descriptor)->deschdr.command.word = 0xB0801C0D; \
+ /*
+ * CTYPE = SEQ OUT command * Scater Gather Flag = 0
+ * (can be updated @ runtime) PRE = 0 * EXT = 1
+ * (data length is in next word, following the * command)
+ * RTO = 0 */ \
+ (descriptor)->seq_out.command.word = 0xF8400000; /**/ \
+ /*
+ * CTYPE = SEQ IN command
+ * Scater Gather Flag = 0 (can be updated @ runtime)
+ * PRE = 0
+ * EXT = 1 ( data length is in next word, following the
+ * command)
+ * RTO = 0 */ \
+ (descriptor)->seq_in.command.word = 0xF0400000; /**/ \
+ /*
+ * In order to be compatible with QI scenarios, the DPOVRD value
+ * loaded must be formated like this:
+ * DPOVRD_EN (1b) | Res| DPOVRD Value (right aligned). */ \
+ (descriptor)->load_dpovrd.command.word = 0x16870004; \
+ /* By default, DPOVRD mechanism is disabled, thus the value to be
+ * LOAD-ed through the above descriptor command will be
+ * 0x0000_0000. */ \
+ (descriptor)->dpovrd = 0x00000000; \
+})
+
+/* Macro for setting the pointer to the input buffer in the JD, according to
+ * the parameters set by the user in the ::sec_packet_t structure.
+ */
+#define SEC_JD_SET_IN_PTR(descriptor, phys_addr, offset, length) { \
+ (descriptor)->seq_in_ptr = (phys_addr) + (offset); \
+ (descriptor)->in_ext_length = (length); \
+}
+
+/* Macro for setting the pointer to the output buffer in the JD, according to
+ * the parameters set by the user in the ::sec_packet_t structure.
+ */
+#define SEC_JD_SET_OUT_PTR(descriptor, phys_addr, offset, length) { \
+ (descriptor)->seq_out_ptr = (phys_addr) + (offset); \
+ (descriptor)->out_ext_length = (length); \
+}
+
+/* Macro for setting the Scatter-Gather flag in the SEQ IN command. Used in
+ * case the input buffer is split in multiple buffers, according to the user
+ * specification.
+ */
+#define SEC_JD_SET_SG_IN(descriptor) \
+ ((descriptor)->seq_in.command.field.sgf = 1)
+
+/* Macro for setting the Scatter-Gather flag in the SEQ OUT command. Used in
+ * case the output buffer is split in multiple buffers, according to the user
+ * specification.
+ */
+#define SEC_JD_SET_SG_OUT(descriptor) \
+ ((descriptor)->seq_out.command.field.sgf = 1)
+
+#define SEC_JD_SET_DPOVRD(descriptor) \
+
+/* Macro for retrieving a descriptor's length. Works for both SD and JD. */
+#define SEC_GET_DESC_LEN(descriptor) \
+ (((struct descriptor_header_s *)(descriptor))->command.sd.ctype == \
+ CMD_HDR_CTYPE_SD ? ((struct descriptor_header_s *) \
+ (descriptor))->command.sd.desclen : \
+ ((struct descriptor_header_s *)(descriptor))->command.jd.desclen)
+
+/* Helper macro for dumping the hex representation of a descriptor */
+#define SEC_DUMP_DESC(descriptor) { \
+ int __i; \
+ CAAM_JR_INFO("Des@ 0x%08x\n", (uint32_t)((uint32_t *)(descriptor)));\
+ for (__i = 0; \
+ __i < SEC_GET_DESC_LEN(descriptor); \
+ __i++) { \
+ printf("0x%08x: 0x%08x\n", \
+ (uint32_t)(((uint32_t *)(descriptor)) + __i), \
+ *(((uint32_t *)(descriptor)) + __i)); \
+ } \
+}
+/* Union describing a descriptor header.
+ */
+struct descriptor_header_s {
+ union {
+ uint32_t word;
+ struct {
+ /* 4 */ unsigned int ctype:5;
+ /* 5 */ unsigned int res1:2;
+ /* 7 */ unsigned int dnr:1;
+ /* 8 */ unsigned int one:1;
+ /* 9 */ unsigned int res2:1;
+ /* 10 */ unsigned int start_idx:6;
+ /* 16 */ unsigned int res3:2;
+ /* 18 */ unsigned int cif:1;
+ /* 19 */ unsigned int sc:1;
+ /* 20 */ unsigned int pd:1;
+ /* 21 */ unsigned int res4:1;
+ /* 22 */ unsigned int share:2;
+ /* 24 */ unsigned int res5:2;
+ /* 26 */ unsigned int desclen:6;
+ } sd;
+ struct {
+ /* TODO only below struct members are corrected,
+ * all others also need to be reversed please verify it
+ */
+ /* 0 */ unsigned int desclen:7;
+ /* 7 */ unsigned int res4:1;
+ /* 8 */ unsigned int share:3;
+ /* 11 */ unsigned int reo:1;
+ /* 12 */ unsigned int shr:1;
+ /* 13 */ unsigned int mtd:1;
+ /* 14 */ unsigned int td:1;
+ /* 15 */ unsigned int zero:1;
+ /* 16 */ unsigned int shr_desc_len:6;
+ /* 22 */ unsigned int res2:1;
+ /* 23 */ unsigned int one:1;
+ /* 24 */ unsigned int dnr:1;
+ /* 25 */ unsigned int rsms:1;
+ /* 26 */ unsigned int res1:1;
+ /* 27 */ unsigned int ctype:5;
+ } jd;
+ } __rte_packed command;
+} __rte_packed;
+
+/* Union describing a KEY command in a descriptor.
+ */
+struct key_command_s {
+ union {
+ uint32_t word;
+ struct {
+ unsigned int ctype:5;
+ unsigned int cls:2;
+ unsigned int sgf:1;
+ unsigned int imm:1;
+ unsigned int enc:1;
+ unsigned int nwb:1;
+ unsigned int ekt:1;
+ unsigned int kdest:4;
+ unsigned int tk:1;
+ unsigned int rsvd1:5;
+ unsigned int length:10;
+ } __rte_packed field;
+ } __rte_packed command;
+} __rte_packed;
+
+/* Union describing a PROTOCOL command
+ * in a descriptor.
+ */
+struct protocol_operation_command_s {
+ union {
+ uint32_t word;
+ struct {
+ unsigned int ctype:5;
+ unsigned int optype:3;
+ unsigned char protid;
+ unsigned short protinfo;
+ } __rte_packed field;
+ } __rte_packed command;
+} __rte_packed;
+
+/* Union describing a SEQIN command in a
+ * descriptor.
+ */
+struct seq_in_command_s {
+ union {
+ uint32_t word;
+ struct {
+ unsigned int ctype:5;
+ unsigned int res1:1;
+ unsigned int inl:1;
+ unsigned int sgf:1;
+ unsigned int pre:1;
+ unsigned int ext:1;
+ unsigned int rto:1;
+ unsigned int rjd:1;
+ unsigned int res2:4;
+ unsigned int length:16;
+ } field;
+ } __rte_packed command;
+} __rte_packed;
+
+/* Union describing a SEQOUT command in a
+ * descriptor.
+ */
+struct seq_out_command_s {
+ union {
+ uint32_t word;
+ struct {
+ unsigned int ctype:5;
+ unsigned int res1:2;
+ unsigned int sgf:1;
+ unsigned int pre:1;
+ unsigned int ext:1;
+ unsigned int rto:1;
+ unsigned int res2:5;
+ unsigned int length:16;
+ } field;
+ } __rte_packed command;
+} __rte_packed;
+
+struct load_command_s {
+ union {
+ uint32_t word;
+ struct {
+ unsigned int ctype:5;
+ unsigned int class:2;
+ unsigned int sgf:1;
+ unsigned int imm:1;
+ unsigned int dst:7;
+ unsigned char offset;
+ unsigned char length;
+ } fields;
+ } __rte_packed command;
+} __rte_packed;
+
+/* Structure encompassing a general shared descriptor of maximum
+ * size (64 WORDs). Usually, other specific shared descriptor structures
+ * will be type-casted to this one
+ * this one.
+ */
+struct sec_sd_t {
+ uint32_t rsvd[MAX_DESC_SIZE_WORDS];
+} __attribute__((packed, aligned(64)));
+
+/* Structure encompassing a job descriptor which processes
+ * a single packet from a context. The job descriptor references
+ * a shared descriptor from a SEC context.
+ */
+struct sec_job_descriptor_t {
+ struct descriptor_header_s deschdr;
+ dma_addr_t sd_ptr;
+ struct seq_out_command_s seq_out;
+ dma_addr_t seq_out_ptr;
+ uint32_t out_ext_length;
+ struct seq_in_command_s seq_in;
+ dma_addr_t seq_in_ptr;
+ uint32_t in_ext_length;
+ struct load_command_s load_dpovrd;
+ uint32_t dpovrd;
+} __attribute__((packed, aligned(64)));
+
+#endif
git.droids-corp.org / dpdk.git / commitdiff