examples/ipsec-secgw: fix build with gcc 4.5.1
[dpdk.git] / examples / ipsec-secgw / ipsec.c
index baf30d4..70ed227 100644 (file)
@@ -1,7 +1,7 @@
 /*-
  *   BSD LICENSE
  *
- *   Copyright(c) 2016 Intel Corporation. All rights reserved.
+ *   Copyright(c) 2016-2017 Intel Corporation. All rights reserved.
  *   All rights reserved.
  *
  *   Redistribution and use in source and binary forms, with or without
 #include <rte_branch_prediction.h>
 #include <rte_log.h>
 #include <rte_crypto.h>
+#include <rte_security.h>
 #include <rte_cryptodev.h>
+#include <rte_ethdev.h>
 #include <rte_mbuf.h>
 #include <rte_hash.h>
 
 #include "ipsec.h"
+#include "esp.h"
 
 static inline int
-create_session(struct ipsec_ctx *ipsec_ctx __rte_unused, struct ipsec_sa *sa)
+create_session(struct ipsec_ctx *ipsec_ctx, struct ipsec_sa *sa)
 {
-       uint32_t cdev_id_qp = 0;
-       int32_t ret;
+       struct rte_cryptodev_info cdev_info;
+       unsigned long cdev_id_qp = 0;
+       int32_t ret = 0;
        struct cdev_key key = { 0 };
 
        key.lcore_id = (uint8_t)rte_lcore_id();
 
        key.cipher_algo = (uint8_t)sa->cipher_algo;
        key.auth_algo = (uint8_t)sa->auth_algo;
-
-       ret = rte_hash_lookup_data(ipsec_ctx->cdev_map, &key,
-                       (void **)&cdev_id_qp);
-       if (ret < 0) {
-               IPSEC_LOG(ERR, IPSEC, "No cryptodev: core %u, cipher_algo %u, "
-                               "auth_algo %u\n", key.lcore_id, key.cipher_algo,
-                               key.auth_algo);
-               return -1;
+       key.aead_algo = (uint8_t)sa->aead_algo;
+
+       if (sa->type == RTE_SECURITY_ACTION_TYPE_NONE) {
+               ret = rte_hash_lookup_data(ipsec_ctx->cdev_map, &key,
+                               (void **)&cdev_id_qp);
+               if (ret < 0) {
+                       RTE_LOG(ERR, IPSEC,
+                               "No cryptodev: core %u, cipher_algo %u, "
+                               "auth_algo %u, aead_algo %u\n",
+                               key.lcore_id,
+                               key.cipher_algo,
+                               key.auth_algo,
+                               key.aead_algo);
+                       return -1;
+               }
        }
 
-       IPSEC_LOG(DEBUG, IPSEC, "Create session for SA spi %u on cryptodev "
-                       "%u qp %u\n", sa->spi, ipsec_ctx->tbl[cdev_id_qp].id,
+       RTE_LOG_DP(DEBUG, IPSEC, "Create session for SA spi %u on cryptodev "
+                       "%u qp %u\n", sa->spi,
+                       ipsec_ctx->tbl[cdev_id_qp].id,
                        ipsec_ctx->tbl[cdev_id_qp].qp);
 
-       sa->crypto_session = rte_cryptodev_sym_session_create(
-                       ipsec_ctx->tbl[cdev_id_qp].id, sa->xforms);
-
+       if (sa->type != RTE_SECURITY_ACTION_TYPE_NONE) {
+               struct rte_security_session_conf sess_conf = {
+                       .action_type = sa->type,
+                       .protocol = RTE_SECURITY_PROTOCOL_IPSEC,
+                       {.ipsec = {
+                               .spi = sa->spi,
+                               .salt = sa->salt,
+                               .options = { 0 },
+                               .direction = sa->direction,
+                               .proto = RTE_SECURITY_IPSEC_SA_PROTO_ESP,
+                               .mode = (sa->flags == IP4_TUNNEL ||
+                                               sa->flags == IP6_TUNNEL) ?
+                                       RTE_SECURITY_IPSEC_SA_MODE_TUNNEL :
+                                       RTE_SECURITY_IPSEC_SA_MODE_TRANSPORT,
+                       } },
+                       .crypto_xform = sa->xforms
+
+               };
+
+               if (sa->type == RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL) {
+                       struct rte_security_ctx *ctx = (struct rte_security_ctx *)
+                                                       rte_cryptodev_get_sec_ctx(
+                                                       ipsec_ctx->tbl[cdev_id_qp].id);
+
+                       if (sess_conf.ipsec.mode ==
+                                       RTE_SECURITY_IPSEC_SA_MODE_TUNNEL) {
+                               struct rte_security_ipsec_tunnel_param *tunnel =
+                                               &sess_conf.ipsec.tunnel;
+                               if (sa->flags == IP4_TUNNEL) {
+                                       tunnel->type =
+                                               RTE_SECURITY_IPSEC_TUNNEL_IPV4;
+                                       tunnel->ipv4.ttl = IPDEFTTL;
+
+                                       memcpy((uint8_t *)&tunnel->ipv4.src_ip,
+                                               (uint8_t *)&sa->src.ip.ip4, 4);
+
+                                       memcpy((uint8_t *)&tunnel->ipv4.dst_ip,
+                                               (uint8_t *)&sa->dst.ip.ip4, 4);
+                               }
+                               /* TODO support for Transport and IPV6 tunnel */
+                       }
+
+                       sa->sec_session = rte_security_session_create(ctx,
+                                       &sess_conf, ipsec_ctx->session_pool);
+                       if (sa->sec_session == NULL) {
+                               RTE_LOG(ERR, IPSEC,
+                               "SEC Session init failed: err: %d\n", ret);
+                               return -1;
+                       }
+               } else if (sa->type == RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO) {
+                       struct rte_flow_error err;
+                       struct rte_security_ctx *ctx = (struct rte_security_ctx *)
+                                                       rte_eth_dev_get_sec_ctx(
+                                                       sa->portid);
+                       const struct rte_security_capability *sec_cap;
+
+                       sa->sec_session = rte_security_session_create(ctx,
+                                       &sess_conf, ipsec_ctx->session_pool);
+                       if (sa->sec_session == NULL) {
+                               RTE_LOG(ERR, IPSEC,
+                               "SEC Session init failed: err: %d\n", ret);
+                               return -1;
+                       }
+
+                       sec_cap = rte_security_capabilities_get(ctx);
+
+                       /* iterate until ESP tunnel*/
+                       while (sec_cap->action !=
+                                       RTE_SECURITY_ACTION_TYPE_NONE) {
+
+                               if (sec_cap->action == sa->type &&
+                                   sec_cap->protocol ==
+                                       RTE_SECURITY_PROTOCOL_IPSEC &&
+                                   sec_cap->ipsec.mode ==
+                                       RTE_SECURITY_IPSEC_SA_MODE_TUNNEL &&
+                                   sec_cap->ipsec.direction == sa->direction)
+                                       break;
+                               sec_cap++;
+                       }
+
+                       if (sec_cap->action == RTE_SECURITY_ACTION_TYPE_NONE) {
+                               RTE_LOG(ERR, IPSEC,
+                               "No suitable security capability found\n");
+                               return -1;
+                       }
+
+                       sa->ol_flags = sec_cap->ol_flags;
+                       sa->security_ctx = ctx;
+                       sa->pattern[0].type = RTE_FLOW_ITEM_TYPE_ETH;
+
+                       sa->pattern[1].type = RTE_FLOW_ITEM_TYPE_IPV4;
+                       sa->pattern[1].mask = &rte_flow_item_ipv4_mask;
+                       if (sa->flags & IP6_TUNNEL) {
+                               sa->pattern[1].spec = &sa->ipv6_spec;
+                               memcpy(sa->ipv6_spec.hdr.dst_addr,
+                                       sa->dst.ip.ip6.ip6_b, 16);
+                               memcpy(sa->ipv6_spec.hdr.src_addr,
+                                      sa->src.ip.ip6.ip6_b, 16);
+                       } else {
+                               sa->pattern[1].spec = &sa->ipv4_spec;
+                               sa->ipv4_spec.hdr.dst_addr = sa->dst.ip.ip4;
+                               sa->ipv4_spec.hdr.src_addr = sa->src.ip.ip4;
+                       }
+
+                       sa->pattern[2].type = RTE_FLOW_ITEM_TYPE_ESP;
+                       sa->pattern[2].spec = &sa->esp_spec;
+                       sa->pattern[2].mask = &rte_flow_item_esp_mask;
+                       sa->esp_spec.hdr.spi = sa->spi;
+
+                       sa->pattern[3].type = RTE_FLOW_ITEM_TYPE_END;
+
+                       sa->action[0].type = RTE_FLOW_ACTION_TYPE_SECURITY;
+                       sa->action[0].conf = sa->sec_session;
+
+                       sa->action[1].type = RTE_FLOW_ACTION_TYPE_END;
+
+                       sa->attr.egress = (sa->direction ==
+                                       RTE_SECURITY_IPSEC_SA_DIR_EGRESS);
+                       sa->flow = rte_flow_create(sa->portid,
+                               &sa->attr, sa->pattern, sa->action, &err);
+                       if (sa->flow == NULL) {
+                               RTE_LOG(ERR, IPSEC,
+                                       "Failed to create ipsec flow msg: %s\n",
+                                       err.message);
+                               return -1;
+                       }
+               }
+       } else {
+               sa->crypto_session = rte_cryptodev_sym_session_create(
+                               ipsec_ctx->session_pool);
+               rte_cryptodev_sym_session_init(ipsec_ctx->tbl[cdev_id_qp].id,
+                               sa->crypto_session, sa->xforms,
+                               ipsec_ctx->session_pool);
+
+               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;
 
        return 0;
@@ -79,7 +237,7 @@ create_session(struct ipsec_ctx *ipsec_ctx __rte_unused, struct ipsec_sa *sa)
 static inline void
 enqueue_cop(struct cdev_qp *cqp, struct rte_crypto_op *cop)
 {
-       int ret, i;
+       int32_t ret, i;
 
        cqp->buf[cqp->len++] = cop;
 
@@ -87,7 +245,7 @@ enqueue_cop(struct cdev_qp *cqp, struct rte_crypto_op *cop)
                ret = rte_cryptodev_enqueue_burst(cqp->id, cqp->qp,
                                cqp->buf, cqp->len);
                if (ret < cqp->len) {
-                       IPSEC_LOG(DEBUG, IPSEC, "Cryptodev %u queue %u:"
+                       RTE_LOG_DP(DEBUG, IPSEC, "Cryptodev %u queue %u:"
                                        " enqueued %u crypto ops out of %u\n",
                                         cqp->id, cqp->qp,
                                         ret, cqp->len);
@@ -99,17 +257,23 @@ enqueue_cop(struct cdev_qp *cqp, struct rte_crypto_op *cop)
        }
 }
 
-static inline uint16_t
-ipsec_processing(struct ipsec_ctx *ipsec_ctx, struct rte_mbuf *pkts[],
-               struct ipsec_sa *sas[], uint16_t nb_pkts, uint16_t max_pkts)
+static inline void
+ipsec_enqueue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx,
+               struct rte_mbuf *pkts[], struct ipsec_sa *sas[],
+               uint16_t nb_pkts)
 {
-       int ret = 0, i, j, nb_cops;
+       int32_t ret = 0, i;
        struct ipsec_mbuf_metadata *priv;
-       struct rte_crypto_op *cops[max_pkts];
+       struct rte_crypto_sym_op *sym_cop;
        struct ipsec_sa *sa;
-       struct rte_mbuf *pkt;
+       struct cdev_qp *cqp;
 
        for (i = 0; i < nb_pkts; i++) {
+               if (unlikely(sas[i] == NULL)) {
+                       rte_pktmbuf_free(pkts[i]);
+                       continue;
+               }
+
                rte_prefetch0(sas[i]);
                rte_prefetch0(pkts[i]);
 
@@ -117,33 +281,94 @@ ipsec_processing(struct ipsec_ctx *ipsec_ctx, struct rte_mbuf *pkts[],
                sa = sas[i];
                priv->sa = sa;
 
-               IPSEC_ASSERT(sa != NULL);
-
-               priv->cop.type = RTE_CRYPTO_OP_TYPE_SYMMETRIC;
-
-               rte_prefetch0(&priv->sym_cop);
-               priv->cop.sym = &priv->sym_cop;
-
-               if ((unlikely(sa->crypto_session == NULL)) &&
-                               create_session(ipsec_ctx, sa)) {
-                       rte_pktmbuf_free(pkts[i]);
+               switch (sa->type) {
+               case RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL:
+                       priv->cop.type = RTE_CRYPTO_OP_TYPE_SYMMETRIC;
+                       priv->cop.status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
+
+                       rte_prefetch0(&priv->sym_cop);
+
+                       if ((unlikely(sa->sec_session == NULL)) &&
+                                       create_session(ipsec_ctx, sa)) {
+                               rte_pktmbuf_free(pkts[i]);
+                               continue;
+                       }
+
+                       sym_cop = get_sym_cop(&priv->cop);
+                       sym_cop->m_src = pkts[i];
+
+                       rte_security_attach_session(&priv->cop,
+                                       sa->sec_session);
+                       break;
+               case RTE_SECURITY_ACTION_TYPE_NONE:
+
+                       priv->cop.type = RTE_CRYPTO_OP_TYPE_SYMMETRIC;
+                       priv->cop.status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
+
+                       rte_prefetch0(&priv->sym_cop);
+
+                       if ((unlikely(sa->crypto_session == NULL)) &&
+                                       create_session(ipsec_ctx, sa)) {
+                               rte_pktmbuf_free(pkts[i]);
+                               continue;
+                       }
+
+                       rte_crypto_op_attach_sym_session(&priv->cop,
+                                       sa->crypto_session);
+
+                       ret = xform_func(pkts[i], sa, &priv->cop);
+                       if (unlikely(ret)) {
+                               rte_pktmbuf_free(pkts[i]);
+                               continue;
+                       }
+                       break;
+               case RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL:
+                       break;
+               case RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO:
+                       priv->cop.type = RTE_CRYPTO_OP_TYPE_SYMMETRIC;
+                       priv->cop.status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
+
+                       rte_prefetch0(&priv->sym_cop);
+
+                       if ((unlikely(sa->sec_session == NULL)) &&
+                                       create_session(ipsec_ctx, sa)) {
+                               rte_pktmbuf_free(pkts[i]);
+                               continue;
+                       }
+
+                       rte_security_attach_session(&priv->cop,
+                                       sa->sec_session);
+
+                       ret = xform_func(pkts[i], sa, &priv->cop);
+                       if (unlikely(ret)) {
+                               rte_pktmbuf_free(pkts[i]);
+                               continue;
+                       }
+
+                       cqp = &ipsec_ctx->tbl[sa->cdev_id_qp];
+                       cqp->ol_pkts[cqp->ol_pkts_cnt++] = pkts[i];
+                       if (sa->ol_flags & RTE_SECURITY_TX_OLOAD_NEED_MDATA)
+                               rte_security_set_pkt_metadata(
+                                               sa->security_ctx,
+                                               sa->sec_session, pkts[i], NULL);
                        continue;
                }
 
-               rte_crypto_op_attach_sym_session(&priv->cop,
-                               sa->crypto_session);
-
-               ret = sa->pre_crypto(pkts[i], sa, &priv->cop);
-               if (unlikely(ret)) {
-                       rte_pktmbuf_free(pkts[i]);
-                       continue;
-               }
-
-               IPSEC_ASSERT(sa->cdev_id_qp < ipsec_ctx->nb_qps);
+               RTE_ASSERT(sa->cdev_id_qp < ipsec_ctx->nb_qps);
                enqueue_cop(&ipsec_ctx->tbl[sa->cdev_id_qp], &priv->cop);
        }
+}
+
+static inline int
+ipsec_dequeue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx,
+             struct rte_mbuf *pkts[], uint16_t max_pkts)
+{
+       int32_t nb_pkts = 0, ret = 0, i, j, nb_cops;
+       struct ipsec_mbuf_metadata *priv;
+       struct rte_crypto_op *cops[max_pkts];
+       struct ipsec_sa *sa;
+       struct rte_mbuf *pkt;
 
-       nb_pkts = 0;
        for (i = 0; i < ipsec_ctx->nb_qps && nb_pkts < max_pkts; i++) {
                struct cdev_qp *cqp;
 
@@ -151,6 +376,19 @@ ipsec_processing(struct ipsec_ctx *ipsec_ctx, struct rte_mbuf *pkts[],
                if (ipsec_ctx->last_qp == ipsec_ctx->nb_qps)
                        ipsec_ctx->last_qp %= ipsec_ctx->nb_qps;
 
+               while (cqp->ol_pkts_cnt > 0 && nb_pkts < max_pkts) {
+                       pkt = cqp->ol_pkts[--cqp->ol_pkts_cnt];
+                       rte_prefetch0(pkt);
+                       priv = get_priv(pkt);
+                       sa = priv->sa;
+                       ret = xform_func(pkt, sa, &priv->cop);
+                       if (unlikely(ret)) {
+                               rte_pktmbuf_free(pkt);
+                               continue;
+                       }
+                       pkts[nb_pkts++] = pkt;
+               }
+
                if (cqp->in_flight == 0)
                        continue;
 
@@ -166,13 +404,16 @@ ipsec_processing(struct ipsec_ctx *ipsec_ctx, struct rte_mbuf *pkts[],
                        priv = get_priv(pkt);
                        sa = priv->sa;
 
-                       IPSEC_ASSERT(sa != NULL);
+                       RTE_ASSERT(sa != NULL);
 
-                       ret = sa->post_crypto(pkt, sa, cops[j]);
-                       if (unlikely(ret))
-                               rte_pktmbuf_free(pkt);
-                       else
-                               pkts[nb_pkts++] = pkt;
+                       if (sa->type == RTE_SECURITY_ACTION_TYPE_NONE) {
+                               ret = xform_func(pkt, sa, cops[j]);
+                               if (unlikely(ret)) {
+                                       rte_pktmbuf_free(pkt);
+                                       continue;
+                               }
+                       }
+                       pkts[nb_pkts++] = pkt;
                }
        }
 
@@ -188,7 +429,9 @@ ipsec_inbound(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[],
 
        inbound_sa_lookup(ctx->sa_ctx, pkts, sas, nb_pkts);
 
-       return ipsec_processing(ctx, pkts, sas, nb_pkts, len);
+       ipsec_enqueue(esp_inbound, ctx, pkts, sas, nb_pkts);
+
+       return ipsec_dequeue(esp_inbound_post, ctx, pkts, len);
 }
 
 uint16_t
@@ -199,5 +442,7 @@ ipsec_outbound(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[],
 
        outbound_sa_lookup(ctx->sa_ctx, sa_idx, sas, nb_pkts);
 
-       return ipsec_processing(ctx, pkts, sas, nb_pkts, len);
+       ipsec_enqueue(esp_outbound, ctx, pkts, sas, nb_pkts);
+
+       return ipsec_dequeue(esp_outbound_post, ctx, pkts, len);
 }