-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2016-2017 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2016-2017 Intel Corporation
*/
#include <sys/types.h>
#include <netinet/in.h>
#include "ipsec.h"
#include "esp.h"
-static inline int
+static inline void
+set_ipsec_conf(struct ipsec_sa *sa, struct rte_security_ipsec_xform *ipsec)
+{
+ if (ipsec->mode == RTE_SECURITY_IPSEC_SA_MODE_TUNNEL) {
+ struct rte_security_ipsec_tunnel_param *tunnel =
+ &ipsec->tunnel;
+ if (IS_IP4_TUNNEL(sa->flags)) {
+ 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 */
+ }
+ ipsec->esn_soft_limit = IPSEC_OFFLOAD_ESN_SOFTLIMIT;
+}
+
+int
create_session(struct ipsec_ctx *ipsec_ctx, struct ipsec_sa *sa)
{
struct rte_cryptodev_info cdev_info;
.options = { 0 },
.direction = sa->direction,
.proto = RTE_SECURITY_IPSEC_SA_PROTO_ESP,
- .mode = (sa->flags == IP4_TUNNEL ||
- sa->flags == IP6_TUNNEL) ?
+ .mode = (IS_TUNNEL(sa->flags)) ?
RTE_SECURITY_IPSEC_SA_MODE_TUNNEL :
RTE_SECURITY_IPSEC_SA_MODE_TRANSPORT,
} },
- .crypto_xform = sa->xforms
+ .crypto_xform = sa->xforms,
+ .userdata = NULL,
};
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 */
- }
+ /* Set IPsec parameters in conf */
+ set_ipsec_conf(sa, &(sess_conf.ipsec));
sa->sec_session = rte_security_session_create(ctx,
- &sess_conf, ipsec_ctx->session_pool);
+ &sess_conf, ipsec_ctx->session_priv_pool);
if (sa->sec_session == NULL) {
RTE_LOG(ERR, IPSEC,
"SEC Session init failed: err: %d\n", ret);
rte_eth_dev_get_sec_ctx(
sa->portid);
const struct rte_security_capability *sec_cap;
+ int ret = 0;
sa->sec_session = rte_security_session_create(ctx,
- &sess_conf, ipsec_ctx->session_pool);
+ &sess_conf, ipsec_ctx->session_priv_pool);
if (sa->sec_session == NULL) {
RTE_LOG(ERR, IPSEC,
"SEC Session init failed: err: %d\n", ret);
sec_cap->protocol ==
RTE_SECURITY_PROTOCOL_IPSEC &&
sec_cap->ipsec.mode ==
- RTE_SECURITY_IPSEC_SA_MODE_TUNNEL &&
+ sess_conf.ipsec.mode &&
sec_cap->ipsec.direction == sa->direction)
break;
sec_cap++;
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) {
+ if (IS_IP6(sa->flags)) {
+ sa->pattern[1].mask = &rte_flow_item_ipv6_mask;
+ sa->pattern[1].type = RTE_FLOW_ITEM_TYPE_IPV6;
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 {
+ } else if (IS_IP4(sa->flags)) {
+ sa->pattern[1].mask = &rte_flow_item_ipv4_mask;
+ sa->pattern[1].type = RTE_FLOW_ITEM_TYPE_IPV4;
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->esp_spec.hdr.spi = rte_cpu_to_be_32(sa->spi);
sa->pattern[3].type = RTE_FLOW_ITEM_TYPE_END;
sa->attr.egress = (sa->direction ==
RTE_SECURITY_IPSEC_SA_DIR_EGRESS);
+ sa->attr.ingress = (sa->direction ==
+ RTE_SECURITY_IPSEC_SA_DIR_INGRESS);
+ if (sa->attr.ingress) {
+ uint8_t rss_key[40];
+ struct rte_eth_rss_conf rss_conf = {
+ .rss_key = rss_key,
+ .rss_key_len = 40,
+ };
+ struct rte_eth_dev_info dev_info;
+ uint16_t queue[RTE_MAX_QUEUES_PER_PORT];
+ struct rte_flow_action_rss action_rss;
+ unsigned int i;
+ unsigned int j;
+
+ rte_eth_dev_info_get(sa->portid, &dev_info);
+ sa->action[2].type = RTE_FLOW_ACTION_TYPE_END;
+ /* Try RSS. */
+ sa->action[1].type = RTE_FLOW_ACTION_TYPE_RSS;
+ sa->action[1].conf = &action_rss;
+ rte_eth_dev_rss_hash_conf_get(sa->portid,
+ &rss_conf);
+ for (i = 0, j = 0;
+ i < dev_info.nb_rx_queues; ++i)
+ 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);
+ if (!ret)
+ goto flow_create;
+ /* Try Queue. */
+ sa->action[1].type = RTE_FLOW_ACTION_TYPE_QUEUE;
+ sa->action[1].conf =
+ &(struct rte_flow_action_queue){
+ .index = 0,
+ };
+ ret = rte_flow_validate(sa->portid, &sa->attr,
+ sa->pattern, sa->action,
+ &err);
+ /* Try End. */
+ sa->action[1].type = RTE_FLOW_ACTION_TYPE_END;
+ sa->action[1].conf = NULL;
+ ret = rte_flow_validate(sa->portid, &sa->attr,
+ sa->pattern, sa->action,
+ &err);
+ if (ret)
+ goto flow_create_failure;
+ } else if (sa->attr.egress &&
+ (sa->ol_flags &
+ RTE_SECURITY_TX_HW_TRAILER_OFFLOAD)) {
+ sa->action[1].type =
+ RTE_FLOW_ACTION_TYPE_PASSTHRU;
+ sa->action[2].type =
+ RTE_FLOW_ACTION_TYPE_END;
+ }
+flow_create:
sa->flow = rte_flow_create(sa->portid,
&sa->attr, sa->pattern, sa->action, &err);
if (sa->flow == NULL) {
+flow_create_failure:
RTE_LOG(ERR, IPSEC,
"Failed to create ipsec flow msg: %s\n",
err.message);
return -1;
}
+ } else if (sa->type ==
+ RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL) {
+ struct rte_security_ctx *ctx =
+ (struct rte_security_ctx *)
+ rte_eth_dev_get_sec_ctx(sa->portid);
+ const struct rte_security_capability *sec_cap;
+
+ if (ctx == NULL) {
+ RTE_LOG(ERR, IPSEC,
+ "Ethernet device doesn't have security features registered\n");
+ return -1;
+ }
+
+ /* Set IPsec parameters in conf */
+ set_ipsec_conf(sa, &(sess_conf.ipsec));
+
+ /* Save SA as userdata for the security session. When
+ * the packet is received, this userdata will be
+ * retrieved using the metadata from the packet.
+ *
+ * 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.
+ */
+
+ sess_conf.userdata = (void *) sa;
+
+ 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);
+
+ if (sec_cap == NULL) {
+ RTE_LOG(ERR, IPSEC,
+ "No capabilities registered\n");
+ return -1;
+ }
+
+ /* 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 ==
+ sess_conf.ipsec.mode &&
+ 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;
}
} 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);
+ ipsec_ctx->session_priv_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;
}
+/*
+ * queue crypto-ops into PMD queue.
+ */
+void
+enqueue_cop_burst(struct cdev_qp *cqp)
+{
+ uint32_t i, len, ret;
+
+ len = cqp->len;
+ ret = rte_cryptodev_enqueue_burst(cqp->id, cqp->qp, cqp->buf, len);
+ if (ret < len) {
+ RTE_LOG_DP(DEBUG, IPSEC, "Cryptodev %u queue %u:"
+ " enqueued %u crypto ops out of %u\n",
+ cqp->id, cqp->qp, ret, len);
+ /* drop packets that we fail to enqueue */
+ for (i = ret; i < len; i++)
+ rte_pktmbuf_free(cqp->buf[i]->sym->m_src);
+ }
+ cqp->in_flight += ret;
+ cqp->len = 0;
+}
+
static inline void
enqueue_cop(struct cdev_qp *cqp, struct rte_crypto_op *cop)
{
- int32_t ret, 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);
- if (ret < cqp->len) {
- RTE_LOG_DP(DEBUG, IPSEC, "Cryptodev %u queue %u:"
- " enqueued %u crypto ops out of %u\n",
- cqp->id, cqp->qp,
- ret, cqp->len);
- for (i = ret; i < cqp->len; i++)
- rte_pktmbuf_free(cqp->buf[i]->sym->m_src);
- }
- cqp->in_flight += ret;
- cqp->len = 0;
- }
+ if (cqp->len == MAX_PKT_BURST)
+ enqueue_cop_burst(cqp);
}
static inline void
struct ipsec_mbuf_metadata *priv;
struct rte_crypto_sym_op *sym_cop;
struct ipsec_sa *sa;
- struct cdev_qp *cqp;
for (i = 0; i < nb_pkts; i++) {
if (unlikely(sas[i] == NULL)) {
}
break;
case RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL:
- break;
+ if ((unlikely(sa->sec_session == NULL)) &&
+ create_session(ipsec_ctx, sa)) {
+ rte_pktmbuf_free(pkts[i]);
+ continue;
+ }
+
+ ipsec_ctx->ol_pkts[ipsec_ctx->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;
case RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO:
priv->cop.type = RTE_CRYPTO_OP_TYPE_SYMMETRIC;
priv->cop.status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
continue;
}
- cqp = &ipsec_ctx->tbl[sa->cdev_id_qp];
- cqp->ol_pkts[cqp->ol_pkts_cnt++] = pkts[i];
+ ipsec_ctx->ol_pkts[ipsec_ctx->ol_pkts_cnt++] = pkts[i];
if (sa->ol_flags & RTE_SECURITY_TX_OLOAD_NEED_MDATA)
rte_security_set_pkt_metadata(
sa->security_ctx,
}
}
+static inline int32_t
+ipsec_inline_dequeue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx,
+ struct rte_mbuf *pkts[], uint16_t max_pkts)
+{
+ int32_t nb_pkts, ret;
+ struct ipsec_mbuf_metadata *priv;
+ struct ipsec_sa *sa;
+ struct rte_mbuf *pkt;
+
+ nb_pkts = 0;
+ while (ipsec_ctx->ol_pkts_cnt > 0 && nb_pkts < max_pkts) {
+ pkt = ipsec_ctx->ol_pkts[--ipsec_ctx->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;
+ }
+
+ return nb_pkts;
+}
+
static inline int
ipsec_dequeue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx,
struct rte_mbuf *pkts[], uint16_t max_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;
ipsec_enqueue(esp_inbound, ctx, pkts, sas, nb_pkts);
+ return ipsec_inline_dequeue(esp_inbound_post, ctx, pkts, len);
+}
+
+uint16_t
+ipsec_inbound_cqp_dequeue(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[],
+ uint16_t len)
+{
return ipsec_dequeue(esp_inbound_post, ctx, pkts, len);
}
ipsec_enqueue(esp_outbound, ctx, pkts, sas, nb_pkts);
+ return ipsec_inline_dequeue(esp_outbound_post, ctx, pkts, len);
+}
+
+uint16_t
+ipsec_outbound_cqp_dequeue(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[],
+ uint16_t len)
+{
return ipsec_dequeue(esp_outbound_post, ctx, pkts, len);
}