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Diffstat (limited to 'examples/ipsec-secgw/ipsec.c')
-rw-r--r--examples/ipsec-secgw/ipsec.c306
1 files changed, 258 insertions, 48 deletions
diff --git a/examples/ipsec-secgw/ipsec.c b/examples/ipsec-secgw/ipsec.c
index 0afb9d67..c24284d6 100644
--- a/examples/ipsec-secgw/ipsec.c
+++ b/examples/ipsec-secgw/ipsec.c
@@ -37,7 +37,9 @@
#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>
@@ -49,21 +51,28 @@ create_session(struct ipsec_ctx *ipsec_ctx, struct ipsec_sa *sa)
{
struct rte_cryptodev_info cdev_info;
unsigned long cdev_id_qp = 0;
- int32_t ret;
+ 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;
+ key.aead_algo = (uint8_t)sa->aead_algo;
- 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\n", key.lcore_id, key.cipher_algo,
- key.auth_algo);
- return -1;
+ 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;
+ }
}
RTE_LOG_DP(DEBUG, IPSEC, "Create session for SA spi %u on cryptodev "
@@ -71,23 +80,153 @@ create_session(struct ipsec_ctx *ipsec_ctx, struct ipsec_sa *sa)
ipsec_ctx->tbl[cdev_id_qp].id,
ipsec_ctx->tbl[cdev_id_qp].qp);
- 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 ",
- ipsec_ctx->tbl[cdev_id_qp].qp);
- return -1;
+ 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;
@@ -125,7 +264,9 @@ ipsec_enqueue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx,
{
int32_t ret = 0, i;
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)) {
@@ -140,23 +281,76 @@ ipsec_enqueue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx,
sa = sas[i];
priv->sa = sa;
- 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]);
+ 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;
}
@@ -167,7 +361,7 @@ ipsec_enqueue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx,
static inline int
ipsec_dequeue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx,
- struct rte_mbuf *pkts[], uint16_t max_pkts)
+ struct rte_mbuf *pkts[], uint16_t max_pkts)
{
int32_t nb_pkts = 0, ret = 0, i, j, nb_cops;
struct ipsec_mbuf_metadata *priv;
@@ -182,6 +376,19 @@ ipsec_dequeue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx,
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;
@@ -199,11 +406,14 @@ ipsec_dequeue(ipsec_xform_fn xform_func, struct ipsec_ctx *ipsec_ctx,
RTE_ASSERT(sa != NULL);
- ret = xform_func(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;
}
}