/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright 2017-2018 NXP
+ * Copyright 2017-2019 NXP
*/
#include <fcntl.h>
#include <rte_security_driver.h>
#include <rte_hexdump.h>
+#include <caam_jr_capabilities.h>
+#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 */
+#include <desc/common.h>
+#include <desc/algo.h>
+#include <dpaa_of.h>
+#ifdef RTE_LIBRTE_PMD_CAAM_JR_DEBUG
+#define CAAM_JR_DBG 1
+#else
+#define CAAM_JR_DBG 0
+#endif
#define CRYPTODEV_NAME_CAAM_JR_PMD crypto_caam_jr
static uint8_t cryptodev_driver_id;
int caam_jr_logtype;
+/* Lists the states possible for the SEC user space driver. */
+enum sec_driver_state_e {
+ SEC_DRIVER_STATE_IDLE, /* Driver not initialized */
+ SEC_DRIVER_STATE_STARTED, /* Driver initialized and can be used*/
+ SEC_DRIVER_STATE_RELEASE, /* Driver release is in progress */
+};
+
+/* Job rings used for communication with SEC HW */
+static struct sec_job_ring_t g_job_rings[MAX_SEC_JOB_RINGS];
+
+/* The current state of SEC user space driver */
+static enum sec_driver_state_e g_driver_state = SEC_DRIVER_STATE_IDLE;
+
+/* The number of job rings used by SEC user space driver */
+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)
+{
+ return (size_t)vaddr - ctx->vtop_offset;
+}
+
+static inline void
+caam_jr_op_ending(struct caam_jr_op_ctx *ctx)
+{
+ /* report op status to sym->op and then free the ctx memory */
+ 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;
+
+ 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
+void caam_jr_stats_get(struct rte_cryptodev *dev,
+ struct rte_cryptodev_stats *stats)
+{
+ struct caam_jr_qp **qp = (struct caam_jr_qp **)
+ dev->data->queue_pairs;
+ int i;
+
+ PMD_INIT_FUNC_TRACE();
+ if (stats == NULL) {
+ CAAM_JR_ERR("Invalid stats ptr NULL");
+ return;
+ }
+ for (i = 0; i < dev->data->nb_queue_pairs; i++) {
+ if (qp[i] == NULL) {
+ CAAM_JR_WARN("Uninitialised queue pair");
+ continue;
+ }
+
+ stats->enqueued_count += qp[i]->tx_pkts;
+ stats->dequeued_count += qp[i]->rx_pkts;
+ stats->enqueue_err_count += qp[i]->tx_errs;
+ stats->dequeue_err_count += qp[i]->rx_errs;
+ CAAM_JR_INFO("extra stats:\n\tRX Poll ERR = %" PRIu64
+ "\n\tTX Ring Full = %" PRIu64,
+ qp[i]->rx_poll_err,
+ qp[i]->tx_ring_full);
+ }
+}
+
+static
+void caam_jr_stats_reset(struct rte_cryptodev *dev)
+{
+ int i;
+ struct caam_jr_qp **qp = (struct caam_jr_qp **)
+ (dev->data->queue_pairs);
+
+ PMD_INIT_FUNC_TRACE();
+ for (i = 0; i < dev->data->nb_queue_pairs; i++) {
+ if (qp[i] == NULL) {
+ CAAM_JR_WARN("Uninitialised queue pair");
+ continue;
+ }
+ qp[i]->rx_pkts = 0;
+ qp[i]->rx_errs = 0;
+ qp[i]->rx_poll_err = 0;
+ qp[i]->tx_pkts = 0;
+ qp[i]->tx_errs = 0;
+ qp[i]->tx_ring_full = 0;
+ }
+}
+
+static inline int
+is_cipher_only(struct caam_jr_session *ses)
+{
+ 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)
+{
+ 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)
+{
+ return ((ses->cipher_alg == 0) &&
+ (ses->auth_alg == 0) &&
+ (ses->aead_alg != 0));
+}
+
+static inline int
+is_auth_cipher(struct caam_jr_session *ses)
+{
+ return ((ses->cipher_alg != RTE_CRYPTO_CIPHER_NULL) &&
+ (ses->auth_alg != RTE_CRYPTO_AUTH_NULL) &&
+ (ses->proto_alg != RTE_SECURITY_PROTOCOL_IPSEC));
+}
+
+static inline int
+is_proto_ipsec(struct caam_jr_session *ses)
+{
+ return (ses->proto_alg == RTE_SECURITY_PROTOCOL_IPSEC);
+}
+
+static inline int
+is_encode(struct caam_jr_session *ses)
+{
+ return ses->dir == DIR_ENC;
+}
+
+static inline int
+is_decode(struct caam_jr_session *ses)
+{
+ return ses->dir == DIR_DEC;
+}
+
+static inline void
+caam_auth_alg(struct caam_jr_session *ses, struct alginfo *alginfo_a)
+{
+ switch (ses->auth_alg) {
+ case RTE_CRYPTO_AUTH_NULL:
+ ses->digest_length = 0;
+ break;
+ case RTE_CRYPTO_AUTH_MD5_HMAC:
+ alginfo_a->algtype =
+ (ses->proto_alg == RTE_SECURITY_PROTOCOL_IPSEC) ?
+ OP_PCL_IPSEC_HMAC_MD5_96 : OP_ALG_ALGSEL_MD5;
+ alginfo_a->algmode = OP_ALG_AAI_HMAC;
+ break;
+ case RTE_CRYPTO_AUTH_SHA1_HMAC:
+ alginfo_a->algtype =
+ (ses->proto_alg == RTE_SECURITY_PROTOCOL_IPSEC) ?
+ OP_PCL_IPSEC_HMAC_SHA1_96 : OP_ALG_ALGSEL_SHA1;
+ alginfo_a->algmode = OP_ALG_AAI_HMAC;
+ break;
+ case RTE_CRYPTO_AUTH_SHA224_HMAC:
+ alginfo_a->algtype =
+ (ses->proto_alg == RTE_SECURITY_PROTOCOL_IPSEC) ?
+ OP_PCL_IPSEC_HMAC_SHA1_160 : OP_ALG_ALGSEL_SHA224;
+ alginfo_a->algmode = OP_ALG_AAI_HMAC;
+ break;
+ case RTE_CRYPTO_AUTH_SHA256_HMAC:
+ alginfo_a->algtype =
+ (ses->proto_alg == RTE_SECURITY_PROTOCOL_IPSEC) ?
+ OP_PCL_IPSEC_HMAC_SHA2_256_128 : OP_ALG_ALGSEL_SHA256;
+ alginfo_a->algmode = OP_ALG_AAI_HMAC;
+ break;
+ case RTE_CRYPTO_AUTH_SHA384_HMAC:
+ alginfo_a->algtype =
+ (ses->proto_alg == RTE_SECURITY_PROTOCOL_IPSEC) ?
+ OP_PCL_IPSEC_HMAC_SHA2_384_192 : OP_ALG_ALGSEL_SHA384;
+ alginfo_a->algmode = OP_ALG_AAI_HMAC;
+ break;
+ case RTE_CRYPTO_AUTH_SHA512_HMAC:
+ alginfo_a->algtype =
+ (ses->proto_alg == RTE_SECURITY_PROTOCOL_IPSEC) ?
+ OP_PCL_IPSEC_HMAC_SHA2_512_256 : 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)
+{
+ switch (ses->cipher_alg) {
+ case RTE_CRYPTO_CIPHER_NULL:
+ break;
+ case RTE_CRYPTO_CIPHER_AES_CBC:
+ alginfo_c->algtype =
+ (ses->proto_alg == RTE_SECURITY_PROTOCOL_IPSEC) ?
+ OP_PCL_IPSEC_AES_CBC : OP_ALG_ALGSEL_AES;
+ alginfo_c->algmode = OP_ALG_AAI_CBC;
+ break;
+ case RTE_CRYPTO_CIPHER_3DES_CBC:
+ alginfo_c->algtype =
+ (ses->proto_alg == RTE_SECURITY_PROTOCOL_IPSEC) ?
+ OP_PCL_IPSEC_3DES : OP_ALG_ALGSEL_3DES;
+ alginfo_c->algmode = OP_ALG_AAI_CBC;
+ break;
+ case RTE_CRYPTO_CIPHER_AES_CTR:
+ alginfo_c->algtype =
+ (ses->proto_alg == RTE_SECURITY_PROTOCOL_IPSEC) ?
+ OP_PCL_IPSEC_AES_CTR : 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)
+{
+ 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 CAAM_BYTE_ORDER == CORE_BYTE_ORDER
+ int swap = false;
+#else
+ int swap = true;
+#endif
+
+ 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, SHR_NEVER, &alginfo_c,
+ 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, SHR_NEVER, &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,
+ SHR_NEVER, &alginfo,
+ ses->iv.length,
+ ses->digest_length);
+ else
+ shared_desc_len = cnstr_shdsc_gcm_decap(
+ cdb->sh_desc, true, swap,
+ SHR_NEVER, &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;
+ if (is_proto_ipsec(ses)) {
+ if (ses->dir == DIR_ENC) {
+ shared_desc_len = cnstr_shdsc_ipsec_new_encap(
+ cdb->sh_desc,
+ true, swap, SHR_SERIAL,
+ &ses->encap_pdb,
+ (uint8_t *)&ses->ip4_hdr,
+ &alginfo_c, &alginfo_a);
+ } else if (ses->dir == DIR_DEC) {
+ shared_desc_len = cnstr_shdsc_ipsec_new_decap(
+ cdb->sh_desc,
+ true, swap, SHR_SERIAL,
+ &ses->decap_pdb,
+ &alginfo_c, &alginfo_a);
+ }
+ } else {
+ /* Auth_only_len is overwritten in fd for each job */
+ shared_desc_len = cnstr_shdsc_authenc(cdb->sh_desc,
+ true, swap, SHR_SERIAL,
+ &alginfo_c, &alginfo_a,
+ ses->iv.length,
+ 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.
+ *
+ * @param [in,out] job_ring The job ring to poll.
+ * @param [in] do_notify Can be #TRUE or #FALSE. Indicates if
+ * descriptors are to be discarded
+ * or notified to UA with given error_code.
+ * @param [out] notified_descs Number of notified descriptors. Can be NULL
+ * if do_notify is #FALSE
+ */
+static void
+hw_flush_job_ring(struct sec_job_ring_t *job_ring,
+ uint32_t do_notify,
+ uint32_t *notified_descs)
+{
+ int32_t jobs_no_to_discard = 0;
+ int32_t discarded_descs_no = 0;
+
+ CAAM_JR_DEBUG("Jr[%p] pi[%d] ci[%d].Flushing jr notify desc=[%d]",
+ job_ring, job_ring->pidx, job_ring->cidx, do_notify);
+
+ jobs_no_to_discard = hw_get_no_finished_jobs(job_ring);
+
+ /* Discard all jobs */
+ CAAM_JR_DEBUG("Jr[%p] pi[%d] ci[%d].Discarding %d descs",
+ job_ring, job_ring->pidx, job_ring->cidx,
+ jobs_no_to_discard);
+
+ while (jobs_no_to_discard > discarded_descs_no) {
+ discarded_descs_no++;
+ /* Now increment the consumer index for the current job ring,
+ * AFTER saving job in temporary location!
+ * Increment the consumer index for the current job ring
+ */
+ job_ring->cidx = SEC_CIRCULAR_COUNTER(job_ring->cidx,
+ SEC_JOB_RING_SIZE);
+
+ hw_remove_entries(job_ring, 1);
+ }
+
+ if (do_notify == true) {
+ ASSERT(notified_descs != NULL);
+ *notified_descs = discarded_descs_no;
+ }
+}
+
+/* @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;
+
+ /* 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;
+
+ 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;
+}
+
+/**
+ * packet looks like:
+ * |<----data_len------->|
+ * |ip_header|ah_header|icv|payload|
+ * ^
+ * |
+ * mbuf->pkt.data
+ */
+static inline struct caam_jr_op_ctx *
+build_auth_only_sg(struct rte_crypto_op *op, struct caam_jr_session *ses)
+{
+ struct rte_crypto_sym_op *sym = op->sym;
+ struct rte_mbuf *mbuf = sym->m_src;
+ struct caam_jr_op_ctx *ctx;
+ struct sec4_sg_entry *sg;
+ int length;
+ struct sec_cdb *cdb;
+ uint64_t sdesc_offset;
+ struct sec_job_descriptor_t *jobdescr;
+ uint8_t extra_segs;
+
+ if (is_decode(ses))
+ extra_segs = 2;
+ else
+ extra_segs = 1;
+
+ if ((mbuf->nb_segs + extra_segs) > MAX_SG_ENTRIES) {
+ CAAM_JR_DP_ERR("Auth: Max sec segs supported is %d",
+ MAX_SG_ENTRIES);
+ return NULL;
+ }
+
+ 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);
+
+ /* output */
+ SEC_JD_SET_OUT_PTR(jobdescr, (uint64_t)sym->auth.digest.phys_addr,
+ 0, ses->digest_length);
+
+ /*input */
+ sg = &ctx->sg[0];
+ length = sym->auth.data.length;
+ sg->ptr = cpu_to_caam64(rte_pktmbuf_iova(mbuf) + sym->auth.data.offset);
+ sg->len = cpu_to_caam32(mbuf->data_len - sym->auth.data.offset);
+
+ /* Successive segs */
+ mbuf = mbuf->next;
+ while (mbuf) {
+ sg++;
+ sg->ptr = cpu_to_caam64(rte_pktmbuf_iova(mbuf));
+ sg->len = cpu_to_caam32(mbuf->data_len);
+ mbuf = mbuf->next;
+ }
+
+ if (is_decode(ses)) {
+ /* digest verification case */
+ sg++;
+ /* hash result or digest, save digest first */
+ rte_memcpy(ctx->digest, sym->auth.digest.data,
+ ses->digest_length);
+#if CAAM_JR_DBG
+ rte_hexdump(stdout, "ICV", ctx->digest, ses->digest_length);
+#endif
+ sg->ptr = cpu_to_caam64(caam_jr_vtop_ctx(ctx, ctx->digest));
+ sg->len = cpu_to_caam32(ses->digest_length);
+ length += ses->digest_length;
+ } else {
+ sg->len -= ses->digest_length;
+ }
+
+ /* last element*/
+ sg->len |= cpu_to_caam32(SEC4_SG_LEN_FIN);
+
+ SEC_JD_SET_IN_PTR(jobdescr,
+ (uint64_t)caam_jr_vtop_ctx(ctx, &ctx->sg[0]), 0, length);
+ /* enabling sg list */
+ (jobdescr)->seq_in.command.word |= 0x01000000;
+
+ return ctx;
+}
+
+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;
+
+ 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_sg(struct rte_crypto_op *op, struct caam_jr_session *ses)
+{
+ struct rte_crypto_sym_op *sym = op->sym;
+ struct rte_mbuf *mbuf = sym->m_src;
+ struct caam_jr_op_ctx *ctx;
+ struct sec4_sg_entry *sg, *in_sg;
+ int length;
+ 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;
+ uint8_t reg_segs;
+
+ if (sym->m_dst) {
+ mbuf = sym->m_dst;
+ reg_segs = mbuf->nb_segs + sym->m_src->nb_segs + 2;
+ } else {
+ mbuf = sym->m_src;
+ reg_segs = mbuf->nb_segs * 2 + 2;
+ }
+
+ if (reg_segs > MAX_SG_ENTRIES) {
+ CAAM_JR_DP_ERR("Cipher: Max sec segs supported is %d",
+ MAX_SG_ENTRIES);
+ return NULL;
+ }
+
+ 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);
+
+#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 */
+ if (sym->m_dst)
+ mbuf = sym->m_dst;
+ else
+ mbuf = sym->m_src;
+
+ sg = &ctx->sg[0];
+ length = sym->cipher.data.length;
+
+ sg->ptr = cpu_to_caam64(rte_pktmbuf_iova(mbuf)
+ + sym->cipher.data.offset);
+ sg->len = cpu_to_caam32(mbuf->data_len - sym->cipher.data.offset);
+
+ /* Successive segs */
+ mbuf = mbuf->next;
+ while (mbuf) {
+ sg++;
+ sg->ptr = cpu_to_caam64(rte_pktmbuf_iova(mbuf));
+ sg->len = cpu_to_caam32(mbuf->data_len);
+ mbuf = mbuf->next;
+ }
+ /* last element*/
+ sg->len |= cpu_to_caam32(SEC4_SG_LEN_FIN);
+
+ SEC_JD_SET_OUT_PTR(jobdescr,
+ (uint64_t)caam_jr_vtop_ctx(ctx, &ctx->sg[0]), 0,
+ length);
+ /*enabling sg bit */
+ (jobdescr)->seq_out.command.word |= 0x01000000;
+
+ /*input */
+ sg++;
+ mbuf = sym->m_src;
+ in_sg = sg;
+
+ length = sym->cipher.data.length + ses->iv.length;
+
+ /* IV */
+ sg->ptr = cpu_to_caam64(caam_jr_dma_vtop(IV_ptr));
+ sg->len = cpu_to_caam32(ses->iv.length);
+
+ /* 1st seg */
+ sg++;
+ sg->ptr = cpu_to_caam64(rte_pktmbuf_iova(mbuf)
+ + sym->cipher.data.offset);
+ sg->len = cpu_to_caam32(mbuf->data_len - sym->cipher.data.offset);
+
+ /* Successive segs */
+ mbuf = mbuf->next;
+ while (mbuf) {
+ sg++;
+ sg->ptr = cpu_to_caam64(rte_pktmbuf_iova(mbuf));
+ sg->len = cpu_to_caam32(mbuf->data_len);
+ mbuf = mbuf->next;
+ }
+ /* last element*/
+ sg->len |= cpu_to_caam32(SEC4_SG_LEN_FIN);
+
+
+ SEC_JD_SET_IN_PTR(jobdescr, (uint64_t)caam_jr_vtop_ctx(ctx, in_sg), 0,
+ length);
+ /*enabling sg bit */
+ (jobdescr)->seq_in.command.word |= 0x01000000;
+
+ 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;
+
+ 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;
+}
+
+/* For decapsulation:
+ * Input:
+ * +----+----------------+--------------------------------+-----+
+ * | IV | Auth-only data | Authenticated & Encrypted data | ICV |
+ * +----+----------------+--------------------------------+-----+
+ * Output:
+ * +----+--------------------------+
+ * | Decrypted & authenticated data |
+ * +----+--------------------------+
+ */
+
+static inline struct caam_jr_op_ctx *
+build_cipher_auth_sg(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, *out_sg, *in_sg;
+ struct rte_mbuf *mbuf;
+ uint32_t length = 0;
+ struct sec_cdb *cdb;
+ uint64_t sdesc_offset;
+ uint8_t req_segs;
+ uint8_t *IV_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
+ ses->iv.offset);
+ struct sec_job_descriptor_t *jobdescr;
+ uint16_t auth_hdr_len = sym->cipher.data.offset -
+ sym->auth.data.offset;
+ uint16_t auth_tail_len = sym->auth.data.length -
+ sym->cipher.data.length - auth_hdr_len;
+ uint32_t auth_only_len = (auth_tail_len << 16) | auth_hdr_len;
+
+ if (sym->m_dst) {
+ mbuf = sym->m_dst;
+ req_segs = mbuf->nb_segs + sym->m_src->nb_segs + 3;
+ } else {
+ mbuf = sym->m_src;
+ req_segs = mbuf->nb_segs * 2 + 3;
+ }
+
+ if (req_segs > MAX_SG_ENTRIES) {
+ CAAM_JR_DP_ERR("Cipher-Auth: Max sec segs supported is %d",
+ MAX_SG_ENTRIES);
+ return NULL;
+ }
+
+ 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);
+
+ /* output */
+ if (sym->m_dst)
+ mbuf = sym->m_dst;
+ else
+ mbuf = sym->m_src;
+
+ out_sg = &ctx->sg[0];
+ if (is_encode(ses))
+ length = sym->auth.data.length + ses->digest_length;
+ else
+ length = sym->auth.data.length;
+
+ sg = &ctx->sg[0];
+
+ /* 1st seg */
+ sg->ptr = cpu_to_caam64(rte_pktmbuf_iova(mbuf)
+ + sym->auth.data.offset);
+ sg->len = cpu_to_caam32(mbuf->data_len - sym->auth.data.offset);
+
+ /* Successive segs */
+ mbuf = mbuf->next;
+ while (mbuf) {
+ sg++;
+ sg->ptr = cpu_to_caam64(rte_pktmbuf_iova(mbuf));
+ sg->len = cpu_to_caam32(mbuf->data_len);
+ mbuf = mbuf->next;
+ }
+
+ 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);
+ }
+ /* last element*/
+ sg->len |= cpu_to_caam32(SEC4_SG_LEN_FIN);
+
+ SEC_JD_SET_OUT_PTR(jobdescr,
+ (uint64_t)caam_jr_dma_vtop(out_sg), 0, length);
+ /* set sg bit */
+ (jobdescr)->seq_out.command.word |= 0x01000000;
+
+ /* input */
+ sg++;
+ mbuf = sym->m_src;
+ in_sg = sg;
+ if (is_encode(ses))
+ length = ses->iv.length + sym->auth.data.length;
+ else
+ length = ses->iv.length + sym->auth.data.length
+ + ses->digest_length;
+
+ sg->ptr = cpu_to_caam64(caam_jr_dma_vtop(IV_ptr));
+ sg->len = cpu_to_caam32(ses->iv.length);
+
+ sg++;
+ /* 1st seg */
+ sg->ptr = cpu_to_caam64(rte_pktmbuf_iova(mbuf)
+ + sym->auth.data.offset);
+ sg->len = cpu_to_caam32(mbuf->data_len - sym->auth.data.offset);
+
+ /* Successive segs */
+ mbuf = mbuf->next;
+ while (mbuf) {
+ sg++;
+ sg->ptr = cpu_to_caam64(rte_pktmbuf_iova(mbuf));
+ sg->len = cpu_to_caam32(mbuf->data_len);
+ mbuf = mbuf->next;
+ }
+
+ if (is_decode(ses)) {
+ sg++;
+ rte_memcpy(ctx->digest, sym->auth.digest.data,
+ ses->digest_length);
+ sg->ptr = cpu_to_caam64(caam_jr_dma_vtop(ctx->digest));
+ sg->len = cpu_to_caam32(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(in_sg), 0,
+ length);
+ /* set sg bit */
+ (jobdescr)->seq_in.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 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;
+ uint16_t auth_hdr_len = sym->cipher.data.offset -
+ sym->auth.data.offset;
+ uint16_t auth_tail_len = sym->auth.data.length -
+ sym->cipher.data.length - auth_hdr_len;
+ uint32_t auth_only_len = (auth_tail_len << 16) | auth_hdr_len;
+
+ 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 inline struct caam_jr_op_ctx *
+build_proto(struct rte_crypto_op *op, struct caam_jr_session *ses)
+{
+ struct rte_crypto_sym_op *sym = op->sym;
+ struct caam_jr_op_ctx *ctx = NULL;
+ phys_addr_t src_start_addr, dst_start_addr;
+ struct sec_cdb *cdb;
+ uint64_t sdesc_offset;
+ struct sec_job_descriptor_t *jobdescr;
+
+ ctx = caam_jr_alloc_ctx(ses);
+ if (!ctx)
+ return NULL;
+ ctx->op = op;
+
+ 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;
+
+ 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);
+
+ /* output */
+ SEC_JD_SET_OUT_PTR(jobdescr, (uint64_t)dst_start_addr, 0,
+ sym->m_src->buf_len - sym->m_src->data_off);
+ /* input */
+ SEC_JD_SET_IN_PTR(jobdescr, (uint64_t)src_start_addr, 0,
+ sym->m_src->pkt_len);
+ sym->m_src->packet_type &= ~RTE_PTYPE_L4_MASK;
+
+ 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;
+#if CAAM_JR_DBG
+ int i;
+#endif
+
+ 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;
+ case RTE_CRYPTO_OP_SECURITY_SESSION:
+ ses = (struct caam_jr_session *)
+ get_sec_session_private_data(
+ op->sym->sec_session);
+ 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_proto_ipsec(ses))
+ ctx = build_proto(op, ses);
+ } else {
+ if (is_auth_cipher(ses))
+ ctx = build_cipher_auth_sg(op, ses);
+ else if (is_aead(ses))
+ goto err1;
+ else if (is_auth_only(ses))
+ ctx = build_auth_only_sg(op, ses);
+ else if (is_cipher_only(ses))
+ ctx = build_cipher_only_sg(op, ses);
+ }
+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 (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;
+ /*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,
+ uint16_t qp_id)
+{
+ struct sec_job_ring_t *internals;
+ struct caam_jr_qp *qp = NULL;
+
+ PMD_INIT_FUNC_TRACE();
+ CAAM_JR_DEBUG("dev =%p, queue =%d", dev, qp_id);
+
+ internals = dev->data->dev_private;
+ if (qp_id >= internals->max_nb_queue_pairs) {
+ CAAM_JR_ERR("Max supported qpid %d",
+ internals->max_nb_queue_pairs);
+ return -EINVAL;
+ }
+
+ qp = &internals->qps[qp_id];
+ qp->ring = NULL;
+ dev->data->queue_pairs[qp_id] = NULL;
+
+ return 0;
+}
+
+/* Setup a queue pair */
+static int
+caam_jr_queue_pair_setup(
+ struct rte_cryptodev *dev, uint16_t qp_id,
+ __rte_unused const struct rte_cryptodev_qp_conf *qp_conf,
+ __rte_unused int socket_id)
+{
+ struct sec_job_ring_t *internals;
+ struct caam_jr_qp *qp = NULL;
+
+ PMD_INIT_FUNC_TRACE();
+ CAAM_JR_DEBUG("dev =%p, queue =%d, conf =%p", dev, qp_id, qp_conf);
+
+ internals = dev->data->dev_private;
+ if (qp_id >= internals->max_nb_queue_pairs) {
+ CAAM_JR_ERR("Max supported qpid %d",
+ internals->max_nb_queue_pairs);
+ return -EINVAL;
+ }
+
+ qp = &internals->qps[qp_id];
+ qp->ring = internals;
+ dev->data->queue_pairs[qp_id] = qp;
+
+ return 0;
+}
+
+/* Returns the size of the aesni gcm session structure */
+static unsigned int
+caam_jr_sym_session_get_size(struct rte_cryptodev *dev __rte_unused)
+{
+ PMD_INIT_FUNC_TRACE();
+
+ return sizeof(struct caam_jr_session);
+}
+
+static int
+caam_jr_cipher_init(struct rte_cryptodev *dev __rte_unused,
+ struct rte_crypto_sym_xform *xform,
+ struct caam_jr_session *session)
+{
+ session->cipher_alg = xform->cipher.algo;
+ session->iv.length = xform->cipher.iv.length;
+ session->iv.offset = xform->cipher.iv.offset;
+ session->cipher_key.data = rte_zmalloc(NULL, xform->cipher.key.length,
+ RTE_CACHE_LINE_SIZE);
+ if (session->cipher_key.data == NULL && xform->cipher.key.length > 0) {
+ CAAM_JR_ERR("No Memory for cipher key\n");
+ return -ENOMEM;
+ }
+ session->cipher_key.length = xform->cipher.key.length;
+
+ memcpy(session->cipher_key.data, xform->cipher.key.data,
+ xform->cipher.key.length);
+ session->dir = (xform->cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT) ?
+ DIR_ENC : DIR_DEC;
+
+ return 0;
+}
+
+static int
+caam_jr_auth_init(struct rte_cryptodev *dev __rte_unused,
+ struct rte_crypto_sym_xform *xform,
+ struct caam_jr_session *session)
+{
+ session->auth_alg = xform->auth.algo;
+ session->auth_key.data = rte_zmalloc(NULL, xform->auth.key.length,
+ RTE_CACHE_LINE_SIZE);
+ if (session->auth_key.data == NULL && xform->auth.key.length > 0) {
+ CAAM_JR_ERR("No Memory for auth key\n");
+ return -ENOMEM;
+ }
+ session->auth_key.length = xform->auth.key.length;
+ session->digest_length = xform->auth.digest_length;
+
+ memcpy(session->auth_key.data, xform->auth.key.data,
+ xform->auth.key.length);
+ session->dir = (xform->auth.op == RTE_CRYPTO_AUTH_OP_GENERATE) ?
+ DIR_ENC : DIR_DEC;
+
+ return 0;
+}
+
+static int
+caam_jr_aead_init(struct rte_cryptodev *dev __rte_unused,
+ struct rte_crypto_sym_xform *xform,
+ struct caam_jr_session *session)
+{
+ session->aead_alg = xform->aead.algo;
+ session->iv.length = xform->aead.iv.length;
+ session->iv.offset = xform->aead.iv.offset;
+ session->auth_only_len = xform->aead.aad_length;
+ session->aead_key.data = rte_zmalloc(NULL, xform->aead.key.length,
+ RTE_CACHE_LINE_SIZE);
+ if (session->aead_key.data == NULL && xform->aead.key.length > 0) {
+ CAAM_JR_ERR("No Memory for aead key\n");
+ return -ENOMEM;
+ }
+ session->aead_key.length = xform->aead.key.length;
+ session->digest_length = xform->aead.digest_length;
+
+ memcpy(session->aead_key.data, xform->aead.key.data,
+ xform->aead.key.length);
+ session->dir = (xform->aead.op == RTE_CRYPTO_AEAD_OP_ENCRYPT) ?
+ DIR_ENC : DIR_DEC;
+
+ return 0;
+}
+
+static int
+caam_jr_set_session_parameters(struct rte_cryptodev *dev,
+ struct rte_crypto_sym_xform *xform, void *sess)
+{
+ struct sec_job_ring_t *internals = dev->data->dev_private;
+ struct caam_jr_session *session = sess;
+
+ PMD_INIT_FUNC_TRACE();
+
+ if (unlikely(sess == NULL)) {
+ CAAM_JR_ERR("invalid session struct");
+ return -EINVAL;
+ }
+
+ /* Default IV length = 0 */
+ session->iv.length = 0;
+
+ /* Cipher Only */
+ if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER && xform->next == NULL) {
+ session->auth_alg = RTE_CRYPTO_AUTH_NULL;
+ caam_jr_cipher_init(dev, xform, session);
+
+ /* Authentication Only */
+ } else if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
+ xform->next == NULL) {
+ session->cipher_alg = RTE_CRYPTO_CIPHER_NULL;
+ caam_jr_auth_init(dev, xform, session);
+
+ /* Cipher then Authenticate */
+ } else if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
+ xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH) {
+ if (xform->cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT) {
+ caam_jr_cipher_init(dev, xform, session);
+ caam_jr_auth_init(dev, xform->next, session);
+ } else {
+ CAAM_JR_ERR("Not supported: Auth then Cipher");
+ goto err1;
+ }
+
+ /* Authenticate then Cipher */
+ } else if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
+ xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
+ if (xform->next->cipher.op == RTE_CRYPTO_CIPHER_OP_DECRYPT) {
+ caam_jr_auth_init(dev, xform, session);
+ caam_jr_cipher_init(dev, xform->next, session);
+ } else {
+ CAAM_JR_ERR("Not supported: Auth then Cipher");
+ goto err1;
+ }
+
+ /* AEAD operation for AES-GCM kind of Algorithms */
+ } else if (xform->type == RTE_CRYPTO_SYM_XFORM_AEAD &&
+ xform->next == NULL) {
+ caam_jr_aead_init(dev, xform, session);
+
+ } else {
+ CAAM_JR_ERR("Invalid crypto type");
+ return -EINVAL;
+ }
+ session->ctx_pool = internals->ctx_pool;
+
+ return 0;
+
+err1:
+ rte_free(session->cipher_key.data);
+ rte_free(session->auth_key.data);
+ memset(session, 0, sizeof(struct caam_jr_session));
+
+ return -EINVAL;
+}
+
+static int
+caam_jr_sym_session_configure(struct rte_cryptodev *dev,
+ struct rte_crypto_sym_xform *xform,
+ struct rte_cryptodev_sym_session *sess,
+ struct rte_mempool *mempool)
+{
+ void *sess_private_data;
+ int ret;
+
+ PMD_INIT_FUNC_TRACE();
+
+ if (rte_mempool_get(mempool, &sess_private_data)) {
+ CAAM_JR_ERR("Couldn't get object from session mempool");
+ return -ENOMEM;
+ }
+
+ memset(sess_private_data, 0, sizeof(struct caam_jr_session));
+ ret = caam_jr_set_session_parameters(dev, xform, sess_private_data);
+ if (ret != 0) {
+ CAAM_JR_ERR("failed to configure session parameters");
+ /* Return session to mempool */
+ rte_mempool_put(mempool, sess_private_data);
+ return ret;
+ }
+
+ set_sym_session_private_data(sess, dev->driver_id, sess_private_data);
+
+ return 0;
+}
+
+/* Clear the memory of session so it doesn't leave key material behind */
+static void
+caam_jr_sym_session_clear(struct rte_cryptodev *dev,
+ struct rte_cryptodev_sym_session *sess)
+{
+ uint8_t index = dev->driver_id;
+ void *sess_priv = get_sym_session_private_data(sess, index);
+ struct caam_jr_session *s = (struct caam_jr_session *)sess_priv;
+
+ PMD_INIT_FUNC_TRACE();
+
+ if (sess_priv) {
+ struct rte_mempool *sess_mp = rte_mempool_from_obj(sess_priv);
+
+ rte_free(s->cipher_key.data);
+ rte_free(s->auth_key.data);
+ memset(s, 0, sizeof(struct caam_jr_session));
+ set_sym_session_private_data(sess, index, NULL);
+ rte_mempool_put(sess_mp, sess_priv);
+ }
+}
+
+static int
+caam_jr_set_ipsec_session(__rte_unused struct rte_cryptodev *dev,
+ struct rte_security_session_conf *conf,
+ void *sess)
+{
+ struct sec_job_ring_t *internals = dev->data->dev_private;
+ struct rte_security_ipsec_xform *ipsec_xform = &conf->ipsec;
+ struct rte_crypto_auth_xform *auth_xform;
+ struct rte_crypto_cipher_xform *cipher_xform;
+ struct caam_jr_session *session = (struct caam_jr_session *)sess;
+
+ PMD_INIT_FUNC_TRACE();
+
+ if (ipsec_xform->direction == RTE_SECURITY_IPSEC_SA_DIR_EGRESS) {
+ cipher_xform = &conf->crypto_xform->cipher;
+ auth_xform = &conf->crypto_xform->next->auth;
+ } else {
+ auth_xform = &conf->crypto_xform->auth;
+ cipher_xform = &conf->crypto_xform->next->cipher;
+ }
+ session->proto_alg = conf->protocol;
+ session->cipher_key.data = rte_zmalloc(NULL,
+ cipher_xform->key.length,
+ RTE_CACHE_LINE_SIZE);
+ if (session->cipher_key.data == NULL &&
+ cipher_xform->key.length > 0) {
+ CAAM_JR_ERR("No Memory for cipher key\n");
+ return -ENOMEM;
+ }
+
+ session->cipher_key.length = cipher_xform->key.length;
+ session->auth_key.data = rte_zmalloc(NULL,
+ auth_xform->key.length,
+ RTE_CACHE_LINE_SIZE);
+ if (session->auth_key.data == NULL &&
+ auth_xform->key.length > 0) {
+ CAAM_JR_ERR("No Memory for auth key\n");
+ rte_free(session->cipher_key.data);
+ return -ENOMEM;
+ }
+ session->auth_key.length = auth_xform->key.length;
+ memcpy(session->cipher_key.data, cipher_xform->key.data,
+ cipher_xform->key.length);
+ memcpy(session->auth_key.data, auth_xform->key.data,
+ auth_xform->key.length);
+
+ switch (auth_xform->algo) {
+ case RTE_CRYPTO_AUTH_SHA1_HMAC:
+ session->auth_alg = RTE_CRYPTO_AUTH_SHA1_HMAC;
+ break;
+ case RTE_CRYPTO_AUTH_MD5_HMAC:
+ session->auth_alg = RTE_CRYPTO_AUTH_MD5_HMAC;
+ break;
+ case RTE_CRYPTO_AUTH_SHA256_HMAC:
+ session->auth_alg = RTE_CRYPTO_AUTH_SHA256_HMAC;
+ break;
+ case RTE_CRYPTO_AUTH_SHA384_HMAC:
+ session->auth_alg = RTE_CRYPTO_AUTH_SHA384_HMAC;
+ break;
+ case RTE_CRYPTO_AUTH_SHA512_HMAC:
+ session->auth_alg = RTE_CRYPTO_AUTH_SHA512_HMAC;
+ break;
+ case RTE_CRYPTO_AUTH_AES_CMAC:
+ session->auth_alg = RTE_CRYPTO_AUTH_AES_CMAC;
+ break;
+ case RTE_CRYPTO_AUTH_NULL:
+ session->auth_alg = RTE_CRYPTO_AUTH_NULL;
+ break;
+ case RTE_CRYPTO_AUTH_SHA224_HMAC:
+ case RTE_CRYPTO_AUTH_AES_XCBC_MAC:
+ case RTE_CRYPTO_AUTH_SNOW3G_UIA2:
+ case RTE_CRYPTO_AUTH_SHA1:
+ case RTE_CRYPTO_AUTH_SHA256:
+ case RTE_CRYPTO_AUTH_SHA512:
+ case RTE_CRYPTO_AUTH_SHA224:
+ case RTE_CRYPTO_AUTH_SHA384:
+ case RTE_CRYPTO_AUTH_MD5:
+ case RTE_CRYPTO_AUTH_AES_GMAC:
+ case RTE_CRYPTO_AUTH_KASUMI_F9:
+ case RTE_CRYPTO_AUTH_AES_CBC_MAC:
+ case RTE_CRYPTO_AUTH_ZUC_EIA3:
+ CAAM_JR_ERR("Crypto: Unsupported auth alg %u\n",
+ auth_xform->algo);
+ goto out;
+ default:
+ CAAM_JR_ERR("Crypto: Undefined Auth specified %u\n",
+ auth_xform->algo);
+ goto out;
+ }
+
+ switch (cipher_xform->algo) {
+ case RTE_CRYPTO_CIPHER_AES_CBC:
+ session->cipher_alg = RTE_CRYPTO_CIPHER_AES_CBC;
+ break;
+ case RTE_CRYPTO_CIPHER_3DES_CBC:
+ session->cipher_alg = RTE_CRYPTO_CIPHER_3DES_CBC;
+ break;
+ case RTE_CRYPTO_CIPHER_AES_CTR:
+ session->cipher_alg = RTE_CRYPTO_CIPHER_AES_CTR;
+ break;
+ case RTE_CRYPTO_CIPHER_NULL:
+ case RTE_CRYPTO_CIPHER_SNOW3G_UEA2:
+ case RTE_CRYPTO_CIPHER_3DES_ECB:
+ case RTE_CRYPTO_CIPHER_AES_ECB:
+ case RTE_CRYPTO_CIPHER_KASUMI_F8:
+ CAAM_JR_ERR("Crypto: Unsupported Cipher alg %u\n",
+ cipher_xform->algo);
+ goto out;
+ default:
+ CAAM_JR_ERR("Crypto: Undefined Cipher specified %u\n",
+ cipher_xform->algo);
+ goto out;
+ }
+
+ if (ipsec_xform->direction == RTE_SECURITY_IPSEC_SA_DIR_EGRESS) {
+ memset(&session->encap_pdb, 0, sizeof(struct ipsec_encap_pdb) +
+ sizeof(session->ip4_hdr));
+ session->ip4_hdr.ip_v = IPVERSION;
+ session->ip4_hdr.ip_hl = 5;
+ session->ip4_hdr.ip_len = rte_cpu_to_be_16(
+ sizeof(session->ip4_hdr));
+ session->ip4_hdr.ip_tos = ipsec_xform->tunnel.ipv4.dscp;
+ session->ip4_hdr.ip_id = 0;
+ session->ip4_hdr.ip_off = 0;
+ session->ip4_hdr.ip_ttl = ipsec_xform->tunnel.ipv4.ttl;
+ session->ip4_hdr.ip_p = (ipsec_xform->proto ==
+ RTE_SECURITY_IPSEC_SA_PROTO_ESP) ? IPPROTO_ESP
+ : IPPROTO_AH;
+ session->ip4_hdr.ip_sum = 0;
+ session->ip4_hdr.ip_src = ipsec_xform->tunnel.ipv4.src_ip;
+ session->ip4_hdr.ip_dst = ipsec_xform->tunnel.ipv4.dst_ip;
+ session->ip4_hdr.ip_sum = calc_chksum((uint16_t *)
+ (void *)&session->ip4_hdr,
+ sizeof(struct ip));
+
+ session->encap_pdb.options =
+ (IPVERSION << PDBNH_ESP_ENCAP_SHIFT) |
+ PDBOPTS_ESP_OIHI_PDB_INL |
+ PDBOPTS_ESP_IVSRC |
+ PDBHMO_ESP_ENCAP_DTTL;
+ if (ipsec_xform->options.esn)
+ session->encap_pdb.options |= PDBOPTS_ESP_ESN;
+ session->encap_pdb.spi = ipsec_xform->spi;
+ session->encap_pdb.ip_hdr_len = sizeof(struct ip);
+
+ session->dir = DIR_ENC;
+ } else if (ipsec_xform->direction ==
+ RTE_SECURITY_IPSEC_SA_DIR_INGRESS) {
+ memset(&session->decap_pdb, 0, sizeof(struct ipsec_decap_pdb));
+ session->decap_pdb.options = sizeof(struct ip) << 16;
+ if (ipsec_xform->options.esn)
+ session->decap_pdb.options |= PDBOPTS_ESP_ESN;
+ session->dir = DIR_DEC;
+ } else
+ goto out;
+ session->ctx_pool = internals->ctx_pool;
+
+ return 0;
+out:
+ rte_free(session->auth_key.data);
+ rte_free(session->cipher_key.data);
+ memset(session, 0, sizeof(struct caam_jr_session));
+ return -1;
+}
+
+static int
+caam_jr_security_session_create(void *dev,
+ struct rte_security_session_conf *conf,
+ struct rte_security_session *sess,
+ struct rte_mempool *mempool)
+{
+ void *sess_private_data;
+ struct rte_cryptodev *cdev = (struct rte_cryptodev *)dev;
+ int ret;
+
+ if (rte_mempool_get(mempool, &sess_private_data)) {
+ CAAM_JR_ERR("Couldn't get object from session mempool");
+ return -ENOMEM;
+ }
+
+ switch (conf->protocol) {
+ case RTE_SECURITY_PROTOCOL_IPSEC:
+ ret = caam_jr_set_ipsec_session(cdev, conf,
+ sess_private_data);
+ break;
+ case RTE_SECURITY_PROTOCOL_MACSEC:
+ return -ENOTSUP;
+ default:
+ return -EINVAL;
+ }
+ if (ret != 0) {
+ CAAM_JR_ERR("failed to configure session parameters");
+ /* Return session to mempool */
+ rte_mempool_put(mempool, sess_private_data);
+ return ret;
+ }
+
+ set_sec_session_private_data(sess, sess_private_data);
+
+ return ret;
+}
+
+/* Clear the memory of session so it doesn't leave key material behind */
+static int
+caam_jr_security_session_destroy(void *dev __rte_unused,
+ struct rte_security_session *sess)
+{
+ PMD_INIT_FUNC_TRACE();
+ void *sess_priv = get_sec_session_private_data(sess);
+
+ struct caam_jr_session *s = (struct caam_jr_session *)sess_priv;
+
+ if (sess_priv) {
+ struct rte_mempool *sess_mp = rte_mempool_from_obj(sess_priv);
+
+ rte_free(s->cipher_key.data);
+ rte_free(s->auth_key.data);
+ memset(sess, 0, sizeof(struct caam_jr_session));
+ set_sec_session_private_data(sess, NULL);
+ rte_mempool_put(sess_mp, sess_priv);
+ }
+ return 0;
+}
+
+
+static int
+caam_jr_dev_configure(struct rte_cryptodev *dev,
+ struct rte_cryptodev_config *config __rte_unused)
+{
+ char str[20];
+ struct sec_job_ring_t *internals;
+
+ PMD_INIT_FUNC_TRACE();
+
+ internals = dev->data->dev_private;
+ snprintf(str, sizeof(str), "ctx_pool_%d", dev->data->dev_id);
+ if (!internals->ctx_pool) {
+ internals->ctx_pool = rte_mempool_create((const char *)str,
+ CTX_POOL_NUM_BUFS,
+ sizeof(struct caam_jr_op_ctx),
+ CTX_POOL_CACHE_SIZE, 0,
+ NULL, NULL, NULL, NULL,
+ SOCKET_ID_ANY, 0);
+ if (!internals->ctx_pool) {
+ CAAM_JR_ERR("%s create failed\n", str);
+ return -ENOMEM;
+ }
+ } else
+ CAAM_JR_INFO("mempool already created for dev_id : %d",
+ dev->data->dev_id);
+
+ return 0;
+}
+
+static int
+caam_jr_dev_start(struct rte_cryptodev *dev __rte_unused)
+{
+ PMD_INIT_FUNC_TRACE();
+ return 0;
+}
+
+static void
+caam_jr_dev_stop(struct rte_cryptodev *dev __rte_unused)
+{
+ PMD_INIT_FUNC_TRACE();
+}
+
+static int
+caam_jr_dev_close(struct rte_cryptodev *dev)
+{
+ struct sec_job_ring_t *internals;
+
+ PMD_INIT_FUNC_TRACE();
+
+ if (dev == NULL)
+ return -ENOMEM;
+
+ internals = dev->data->dev_private;
+ rte_mempool_free(internals->ctx_pool);
+ internals->ctx_pool = NULL;
+
+ return 0;
+}
+
+static void
+caam_jr_dev_infos_get(struct rte_cryptodev *dev,
+ struct rte_cryptodev_info *info)
+{
+ struct sec_job_ring_t *internals = dev->data->dev_private;
+
+ PMD_INIT_FUNC_TRACE();
+ if (info != NULL) {
+ info->max_nb_queue_pairs = internals->max_nb_queue_pairs;
+ info->feature_flags = dev->feature_flags;
+ info->capabilities = caam_jr_get_cryptodev_capabilities();
+ info->sym.max_nb_sessions = internals->max_nb_sessions;
+ info->driver_id = cryptodev_driver_id;
+ }
+}
+
+static struct rte_cryptodev_ops caam_jr_ops = {
+ .dev_configure = caam_jr_dev_configure,
+ .dev_start = caam_jr_dev_start,
+ .dev_stop = caam_jr_dev_stop,
+ .dev_close = caam_jr_dev_close,
+ .dev_infos_get = caam_jr_dev_infos_get,
+ .stats_get = caam_jr_stats_get,
+ .stats_reset = caam_jr_stats_reset,
+ .queue_pair_setup = caam_jr_queue_pair_setup,
+ .queue_pair_release = caam_jr_queue_pair_release,
+ .sym_session_get_size = caam_jr_sym_session_get_size,
+ .sym_session_configure = caam_jr_sym_session_configure,
+ .sym_session_clear = caam_jr_sym_session_clear
+};
+
+static struct rte_security_ops caam_jr_security_ops = {
+ .session_create = caam_jr_security_session_create,
+ .session_update = NULL,
+ .session_stats_get = NULL,
+ .session_destroy = caam_jr_security_session_destroy,
+ .set_pkt_metadata = NULL,
+ .capabilities_get = caam_jr_get_security_capabilities
+};
+
+/* @brief Flush job rings of any processed descs.
+ * The processed descs are silently dropped,
+ * WITHOUT being notified to UA.
+ */
+static void
+close_job_ring(struct sec_job_ring_t *job_ring)
+{
+ if (job_ring->irq_fd != -1) {
+ /* Producer index is frozen. If consumer index is not equal
+ * with producer index, then we have descs to flush.
+ */
+ while (job_ring->pidx != job_ring->cidx)
+ hw_flush_job_ring(job_ring, false, NULL);
+
+ /* free the uio job ring */
+ free_job_ring(job_ring->irq_fd);
+ job_ring->irq_fd = -1;
+ caam_jr_dma_free(job_ring->input_ring);
+ caam_jr_dma_free(job_ring->output_ring);
+ g_job_rings_no--;
+ }
+}
+
+/** @brief Release the software and hardware resources tied to a job ring.
+ * @param [in] job_ring The job ring
+ *
+ * @retval 0 for success
+ * @retval -1 for error
+ */
+static int
+shutdown_job_ring(struct sec_job_ring_t *job_ring)
+{
+ int ret = 0;
+
+ PMD_INIT_FUNC_TRACE();
+ ASSERT(job_ring != NULL);
+ ret = hw_shutdown_job_ring(job_ring);
+ SEC_ASSERT(ret == 0, ret,
+ "Failed to shutdown hardware job ring %p",
+ job_ring);
+
+ if (job_ring->coalescing_en)
+ hw_job_ring_disable_coalescing(job_ring);
+
+ if (job_ring->jr_mode != SEC_NOTIFICATION_TYPE_POLL) {
+ ret = caam_jr_disable_irqs(job_ring->irq_fd);
+ SEC_ASSERT(ret == 0, ret,
+ "Failed to disable irqs for job ring %p",
+ job_ring);
+ }
+
+ return ret;
+}
+
/*
* @brief Release the resources used by the SEC user space driver.
*
static int
caam_jr_dev_uninit(struct rte_cryptodev *dev)
{
+ struct sec_job_ring_t *internals;
+
+ PMD_INIT_FUNC_TRACE();
if (dev == NULL)
return -ENODEV;
+ internals = dev->data->dev_private;
+ rte_free(dev->security_ctx);
+
+ /* If any descriptors in flight , poll and wait
+ * until all descriptors are received and silently discarded.
+ */
+ if (internals) {
+ shutdown_job_ring(internals);
+ close_job_ring(internals);
+ rte_mempool_free(internals->ctx_pool);
+ }
+
CAAM_JR_INFO("Closing crypto device %s", dev->data->name);
- return 0;
+ /* last caam jr instance) */
+ if (g_job_rings_no == 0)
+ g_driver_state = SEC_DRIVER_STATE_IDLE;
+
+ return SEC_SUCCESS;
+}
+
+/* @brief Initialize the software and hardware resources tied to a job ring.
+ * @param [in] jr_mode; Model to be used by SEC Driver to receive
+ * notifications from SEC. Can be either
+ * of the three: #SEC_NOTIFICATION_TYPE_NAPI
+ * #SEC_NOTIFICATION_TYPE_IRQ or
+ * #SEC_NOTIFICATION_TYPE_POLL
+ * @param [in] NAPI_mode The NAPI work mode to configure a job ring at
+ * startup. Used only when #SEC_NOTIFICATION_TYPE
+ * is set to #SEC_NOTIFICATION_TYPE_NAPI.
+ * @param [in] irq_coalescing_timer This value determines the maximum
+ * amount of time after processing a
+ * descriptor before raising an interrupt.
+ * @param [in] irq_coalescing_count This value determines how many
+ * descriptors are completed before
+ * raising an interrupt.
+ * @param [in] reg_base_addr, The job ring base address register
+ * @param [in] irq_id The job ring interrupt identification number.
+ * @retval job_ring_handle for successful job ring configuration
+ * @retval NULL on error
+ *
+ */
+static void *
+init_job_ring(void *reg_base_addr, int irq_id)
+{
+ struct sec_job_ring_t *job_ring = NULL;
+ int i, ret = 0;
+ int jr_mode = SEC_NOTIFICATION_TYPE_POLL;
+ int napi_mode = 0;
+ int irq_coalescing_timer = 0;
+ int irq_coalescing_count = 0;
+
+ for (i = 0; i < MAX_SEC_JOB_RINGS; i++) {
+ if (g_job_rings[i].irq_fd == -1) {
+ job_ring = &g_job_rings[i];
+ g_job_rings_no++;
+ break;
+ }
+ }
+ if (job_ring == NULL) {
+ CAAM_JR_ERR("No free job ring\n");
+ return NULL;
+ }
+
+ job_ring->register_base_addr = reg_base_addr;
+ job_ring->jr_mode = jr_mode;
+ job_ring->napi_mode = 0;
+ job_ring->irq_fd = irq_id;
+
+ /* Allocate mem for input and output ring */
+
+ /* Allocate memory for input ring */
+ job_ring->input_ring = caam_jr_dma_mem_alloc(L1_CACHE_BYTES,
+ SEC_DMA_MEM_INPUT_RING_SIZE);
+ memset(job_ring->input_ring, 0, SEC_DMA_MEM_INPUT_RING_SIZE);
+
+ /* Allocate memory for output ring */
+ job_ring->output_ring = caam_jr_dma_mem_alloc(L1_CACHE_BYTES,
+ SEC_DMA_MEM_OUTPUT_RING_SIZE);
+ memset(job_ring->output_ring, 0, SEC_DMA_MEM_OUTPUT_RING_SIZE);
+
+ /* Reset job ring in SEC hw and configure job ring registers */
+ ret = hw_reset_job_ring(job_ring);
+ if (ret != 0) {
+ CAAM_JR_ERR("Failed to reset hardware job ring");
+ goto cleanup;
+ }
+
+ if (jr_mode == SEC_NOTIFICATION_TYPE_NAPI) {
+ /* When SEC US driver works in NAPI mode, the UA can select
+ * if the driver starts with IRQs on or off.
+ */
+ if (napi_mode == SEC_STARTUP_INTERRUPT_MODE) {
+ CAAM_JR_INFO("Enabling DONE IRQ generationon job ring - %p",
+ job_ring);
+ ret = caam_jr_enable_irqs(job_ring->irq_fd);
+ if (ret != 0) {
+ CAAM_JR_ERR("Failed to enable irqs for job ring");
+ goto cleanup;
+ }
+ }
+ } else if (jr_mode == SEC_NOTIFICATION_TYPE_IRQ) {
+ /* When SEC US driver works in pure interrupt mode,
+ * IRQ's are always enabled.
+ */
+ CAAM_JR_INFO("Enabling DONE IRQ generation on job ring - %p",
+ job_ring);
+ ret = caam_jr_enable_irqs(job_ring->irq_fd);
+ if (ret != 0) {
+ CAAM_JR_ERR("Failed to enable irqs for job ring");
+ goto cleanup;
+ }
+ }
+ if (irq_coalescing_timer || irq_coalescing_count) {
+ hw_job_ring_set_coalescing_param(job_ring,
+ irq_coalescing_timer,
+ irq_coalescing_count);
+
+ hw_job_ring_enable_coalescing(job_ring);
+ job_ring->coalescing_en = 1;
+ }
+
+ job_ring->jr_state = SEC_JOB_RING_STATE_STARTED;
+ job_ring->max_nb_queue_pairs = RTE_CAAM_MAX_NB_SEC_QPS;
+ job_ring->max_nb_sessions = RTE_CAAM_JR_PMD_MAX_NB_SESSIONS;
+
+ return job_ring;
+cleanup:
+ caam_jr_dma_free(job_ring->output_ring);
+ caam_jr_dma_free(job_ring->input_ring);
+ return NULL;
}
+
static int
caam_jr_dev_init(const char *name,
struct rte_vdev_device *vdev,
struct rte_cryptodev_pmd_init_params *init_params)
{
struct rte_cryptodev *dev;
+ struct rte_security_ctx *security_instance;
+ struct uio_job_ring *job_ring;
+ char str[RTE_CRYPTODEV_NAME_MAX_LEN];
PMD_INIT_FUNC_TRACE();
+ /* Validate driver state */
+ if (g_driver_state == SEC_DRIVER_STATE_IDLE) {
+ g_job_rings_max = sec_configure();
+ if (!g_job_rings_max) {
+ CAAM_JR_ERR("No job ring detected on UIO !!!!");
+ return -1;
+ }
+ /* Update driver state */
+ g_driver_state = SEC_DRIVER_STATE_STARTED;
+ }
+
+ if (g_job_rings_no >= g_job_rings_max) {
+ CAAM_JR_ERR("No more job rings available max=%d!!!!",
+ g_job_rings_max);
+ return -1;
+ }
+
+ job_ring = config_job_ring();
+ if (job_ring == NULL) {
+ CAAM_JR_ERR("failed to create job ring");
+ goto init_error;
+ }
+
+ snprintf(str, sizeof(str), "caam_jr%d", job_ring->jr_id);
+
dev = rte_cryptodev_pmd_create(name, &vdev->device, init_params);
if (dev == NULL) {
CAAM_JR_ERR("failed to create cryptodev vdev");
goto cleanup;
}
+ /*TODO free it during teardown*/
+ dev->data->dev_private = init_job_ring(job_ring->register_base_addr,
+ job_ring->uio_fd);
+
+ if (!dev->data->dev_private) {
+ CAAM_JR_ERR("Ring memory allocation failed\n");
+ goto cleanup2;
+ }
dev->driver_id = cryptodev_driver_id;
- dev->dev_ops = NULL;
+ dev->dev_ops = &caam_jr_ops;
+
+ /* register rx/tx burst functions for data path */
+ 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 |
+ RTE_CRYPTODEV_FF_SECURITY |
+ RTE_CRYPTODEV_FF_IN_PLACE_SGL |
+ RTE_CRYPTODEV_FF_OOP_SGL_IN_SGL_OUT |
+ RTE_CRYPTODEV_FF_OOP_SGL_IN_LB_OUT |
+ RTE_CRYPTODEV_FF_OOP_LB_IN_SGL_OUT |
+ RTE_CRYPTODEV_FF_OOP_LB_IN_LB_OUT;
/* For secondary processes, we don't initialise any further as primary
* has already done this work. Only check we don't need a different
return 0;
}
+ /*TODO free it during teardown*/
+ security_instance = rte_malloc("caam_jr",
+ sizeof(struct rte_security_ctx), 0);
+ if (security_instance == NULL) {
+ CAAM_JR_ERR("memory allocation failed\n");
+ //todo error handling.
+ goto cleanup2;
+ }
+
+ security_instance->device = (void *)dev;
+ security_instance->ops = &caam_jr_security_ops;
+ security_instance->sess_cnt = 0;
+ dev->security_ctx = security_instance;
+
RTE_LOG(INFO, PMD, "%s cryptodev init\n", dev->data->name);
return 0;
+cleanup2:
+ caam_jr_dev_uninit(dev);
+ rte_cryptodev_pmd_release_device(dev);
cleanup:
+ free_job_ring(job_ring->uio_fd);
+init_error:
CAAM_JR_ERR("driver %s: cryptodev_caam_jr_create failed",
init_params->name);
{
struct rte_cryptodev_pmd_init_params init_params = {
"",
- 128,
+ sizeof(struct sec_job_ring_t),
rte_socket_id(),
RTE_CRYPTODEV_PMD_DEFAULT_MAX_NB_QUEUE_PAIRS
};
input_args = rte_vdev_device_args(vdev);
rte_cryptodev_pmd_parse_input_args(&init_params, input_args);
+ /* if sec device version is not configured */
+ if (!rta_get_sec_era()) {
+ const struct device_node *caam_node;
+
+ for_each_compatible_node(caam_node, NULL, "fsl,sec-v4.0") {
+ const uint32_t *prop = of_get_property(caam_node,
+ "fsl,sec-era",
+ NULL);
+ if (prop) {
+ rta_set_sec_era(
+ INTL_SEC_ERA(cpu_to_caam32(*prop)));
+ break;
+ }
+ }
+ }
+#ifdef RTE_LIBRTE_PMD_CAAM_JR_BE
+ if (rta_get_sec_era() > RTA_SEC_ERA_8) {
+ RTE_LOG(ERR, PMD,
+ "CAAM is compiled in BE mode for device with sec era > 8???\n");
+ return -EINVAL;
+ }
+#endif
+
return caam_jr_dev_init(name, vdev, &init_params);
}
return rte_cryptodev_pmd_destroy(cryptodev);
}
+static void
+sec_job_rings_init(void)
+{
+ int i;
+
+ for (i = 0; i < MAX_SEC_JOB_RINGS; i++)
+ g_job_rings[i].irq_fd = -1;
+}
+
static struct rte_vdev_driver cryptodev_caam_jr_drv = {
.probe = cryptodev_caam_jr_probe,
.remove = cryptodev_caam_jr_remove
RTE_PMD_REGISTER_CRYPTO_DRIVER(caam_jr_crypto_drv, cryptodev_caam_jr_drv.driver,
cryptodev_driver_id);
+RTE_INIT(caam_jr_init)
+{
+ sec_uio_job_rings_init();
+ sec_job_rings_init();
+}
+
RTE_INIT(caam_jr_init_log)
{
caam_jr_logtype = rte_log_register("pmd.crypto.caam");
git.droids-corp.org / dpdk.git / blobdiff