New upstream version 18.08
[deb_dpdk.git] / examples / ipsec-secgw / ipsec.c
index 5fb5bc1..3d415f1 100644 (file)
@@ -36,6 +36,7 @@ set_ipsec_conf(struct ipsec_sa *sa, struct rte_security_ipsec_xform *ipsec)
                }
                /* TODO support for Transport and IPV6 tunnel */
        }
+       ipsec->esn_soft_limit = IPSEC_OFFLOAD_ESN_SOFTLIMIT;
 }
 
 static inline int
@@ -186,14 +187,8 @@ create_session(struct ipsec_ctx *ipsec_ctx, struct ipsec_sa *sa)
                                        .rss_key_len = 40,
                                };
                                struct rte_eth_dev *eth_dev;
-                               union {
-                                       struct rte_flow_action_rss rss;
-                                       struct {
-                                       const struct rte_eth_rss_conf *rss_conf;
-                                       uint16_t num;
-                                       uint16_t queue[RTE_MAX_QUEUES_PER_PORT];
-                                       } local;
-                               } action_rss;
+                               uint16_t queue[RTE_MAX_QUEUES_PER_PORT];
+                               struct rte_flow_action_rss action_rss;
                                unsigned int i;
                                unsigned int j;
 
@@ -207,9 +202,14 @@ create_session(struct ipsec_ctx *ipsec_ctx, struct ipsec_sa *sa)
                                for (i = 0, j = 0;
                                     i < eth_dev->data->nb_rx_queues; ++i)
                                        if (eth_dev->data->rx_queues[i])
-                                               action_rss.local.queue[j++] = i;
-                               action_rss.local.num = j;
-                               action_rss.local.rss_conf = &rss_conf;
+                                               queue[j++] = i;
+                               action_rss = (struct rte_flow_action_rss){
+                                       .types = rss_conf.rss_hf,
+                                       .key_len = rss_conf.rss_key_len,
+                                       .queue_num = j,
+                                       .key = rss_key,
+                                       .queue = queue,
+                               };
                                ret = rte_flow_validate(sa->portid, &sa->attr,
                                                        sa->pattern, sa->action,
                                                        &err);
@@ -270,11 +270,14 @@ flow_create_failure:
                         * the packet is received, this userdata will be
                         * retrieved using the metadata from the packet.
                         *
-                        * This is required only for inbound SAs.
+                        * The PMD is expected to set similar metadata for other
+                        * operations, like rte_eth_event, which are tied to
+                        * security session. In such cases, the userdata could
+                        * be obtained to uniquely identify the security
+                        * parameters denoted.
                         */
 
-                       if (sa->direction == RTE_SECURITY_IPSEC_SA_DIR_INGRESS)
-                               sess_conf.userdata = (void *) sa;
+                       sess_conf.userdata = (void *) sa;
 
                        sa->sec_session = rte_security_session_create(ctx,
                                        &sess_conf, ipsec_ctx->session_pool);
@@ -324,18 +327,6 @@ flow_create_failure:
 
                rte_cryptodev_info_get(ipsec_ctx->tbl[cdev_id_qp].id,
                                &cdev_info);
-               if (cdev_info.sym.max_nb_sessions_per_qp > 0) {
-                       ret = rte_cryptodev_queue_pair_attach_sym_session(
-                                       ipsec_ctx->tbl[cdev_id_qp].id,
-                                       ipsec_ctx->tbl[cdev_id_qp].qp,
-                                       sa->crypto_session);
-                       if (ret < 0) {
-                               RTE_LOG(ERR, IPSEC,
-                                       "Session cannot be attached to qp %u\n",
-                                       ipsec_ctx->tbl[cdev_id_qp].qp);
-                               return -1;
-                       }
-               }
        }
        sa->cdev_id_qp = cdev_id_qp;
 
@@ -345,13 +336,19 @@ flow_create_failure:
 static inline void
 enqueue_cop(struct cdev_qp *cqp, struct rte_crypto_op *cop)
 {
-       int32_t ret, i;
+       int32_t ret = 0, i;
 
        cqp->buf[cqp->len++] = cop;
 
        if (cqp->len == MAX_PKT_BURST) {
-               ret = rte_cryptodev_enqueue_burst(cqp->id, cqp->qp,
-                               cqp->buf, cqp->len);
+               int enq_size = cqp->len;
+               if ((cqp->in_flight + enq_size) > MAX_INFLIGHT)
+                       enq_size -=
+                           (int)((cqp->in_flight + enq_size) - MAX_INFLIGHT);
+
+               if (enq_size > 0)
+                       ret = rte_cryptodev_enqueue_burst(cqp->id, cqp->qp,
+                                       cqp->buf, enq_size);
                if (ret < cqp->len) {
                        RTE_LOG_DP(DEBUG, IPSEC, "Cryptodev %u queue %u:"
                                        " enqueued %u crypto ops out of %u\n",
@@ -486,9 +483,12 @@ ipsec_dequeue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx,
        struct ipsec_sa *sa;
        struct rte_mbuf *pkt;
 
-       for (i = 0; i < ipsec_ctx->nb_qps && nb_pkts < max_pkts;) {
+       for (i = 0; i < ipsec_ctx->nb_qps && nb_pkts < max_pkts; i++) {
                struct cdev_qp *cqp;
-               cqp = &ipsec_ctx->tbl[ipsec_ctx->last_qp];
+
+               cqp = &ipsec_ctx->tbl[ipsec_ctx->last_qp++];
+               if (ipsec_ctx->last_qp == ipsec_ctx->nb_qps)
+                       ipsec_ctx->last_qp %= ipsec_ctx->nb_qps;
 
                while (ipsec_ctx->ol_pkts_cnt > 0 && nb_pkts < max_pkts) {
                        pkt = ipsec_ctx->ol_pkts[--ipsec_ctx->ol_pkts_cnt];
@@ -503,13 +503,8 @@ ipsec_dequeue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx,
                        pkts[nb_pkts++] = pkt;
                }
 
-               if (cqp->in_flight == 0) {
-                       ipsec_ctx->last_qp++;
-                       if (ipsec_ctx->last_qp == ipsec_ctx->nb_qps)
-                               ipsec_ctx->last_qp %= ipsec_ctx->nb_qps;
-                       i++;
+               if (cqp->in_flight == 0)
                        continue;
-               }
 
                nb_cops = rte_cryptodev_dequeue_burst(cqp->id, cqp->qp,
                                cops, max_pkts - nb_pkts);
@@ -533,12 +528,6 @@ ipsec_dequeue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx,
                                }
                        }
                        pkts[nb_pkts++] = pkt;
-                       if (cqp->in_flight < max_pkts) {
-                               ipsec_ctx->last_qp++;
-                               if (ipsec_ctx->last_qp == ipsec_ctx->nb_qps)
-                                       ipsec_ctx->last_qp %= ipsec_ctx->nb_qps;
-                               i++;
-                       }
                }
        }