--- /dev/null
+/*
+ * esp_encrypt.c : IPSec ESP encrypt node using DPDK Cryptodev
+ *
+ * Copyright (c) 2017 Intel and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <vnet/vnet.h>
+#include <vnet/api_errno.h>
+#include <vnet/ip/ip.h>
+
+#include <vnet/ipsec/ipsec.h>
+#include <vnet/ipsec/esp.h>
+#include <vnet/udp/udp_local.h>
+#include <dpdk/buffer.h>
+#include <dpdk/ipsec/ipsec.h>
+#include <vnet/ipsec/ipsec_tun.h>
+#include <dpdk/device/dpdk.h>
+#include <dpdk/device/dpdk_priv.h>
+
+#define foreach_esp_encrypt_next \
+_(DROP, "error-drop") \
+_(IP4_LOOKUP, "ip4-lookup") \
+_(IP6_LOOKUP, "ip6-lookup") \
+_(INTERFACE_OUTPUT, "interface-output")
+
+#define _(v, s) ESP_ENCRYPT_NEXT_##v,
+typedef enum
+{
+ foreach_esp_encrypt_next
+#undef _
+ ESP_ENCRYPT_N_NEXT,
+} esp_encrypt_next_t;
+
+#define foreach_esp_encrypt_error \
+ _(RX_PKTS, "ESP pkts received") \
+ _(SEQ_CYCLED, "Sequence number cycled") \
+ _(ENQ_FAIL, "Enqueue encrypt failed (queue full)") \
+ _(DISCARD, "Not enough crypto operations") \
+ _(SESSION, "Failed to get crypto session") \
+ _(NOSUP, "Cipher/Auth not supported")
+
+
+typedef enum
+{
+#define _(sym,str) ESP_ENCRYPT_ERROR_##sym,
+ foreach_esp_encrypt_error
+#undef _
+ ESP_ENCRYPT_N_ERROR,
+} esp_encrypt_error_t;
+
+static char *esp_encrypt_error_strings[] = {
+#define _(sym,string) string,
+ foreach_esp_encrypt_error
+#undef _
+};
+
+extern vlib_node_registration_t dpdk_esp4_encrypt_node;
+extern vlib_node_registration_t dpdk_esp6_encrypt_node;
+extern vlib_node_registration_t dpdk_esp4_encrypt_tun_node;
+extern vlib_node_registration_t dpdk_esp6_encrypt_tun_node;
+
+typedef struct
+{
+ ipsec_crypto_alg_t crypto_alg;
+ ipsec_integ_alg_t integ_alg;
+ u8 packet_data[64];
+} esp_encrypt_trace_t;
+
+/* packet trace format function */
+static u8 *
+format_esp_encrypt_trace (u8 * s, va_list * args)
+{
+ CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
+ CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
+ esp_encrypt_trace_t *t = va_arg (*args, esp_encrypt_trace_t *);
+ ip4_header_t *ih4 = (ip4_header_t *) t->packet_data;
+ u32 indent = format_get_indent (s), offset;
+
+ s = format (s, "cipher %U auth %U\n",
+ format_ipsec_crypto_alg, t->crypto_alg,
+ format_ipsec_integ_alg, t->integ_alg);
+
+ if ((ih4->ip_version_and_header_length & 0xF0) == 0x60)
+ {
+ s = format (s, "%U%U", format_white_space, indent,
+ format_ip6_header, ih4);
+ offset = sizeof (ip6_header_t);
+ }
+ else
+ {
+ s = format (s, "%U%U", format_white_space, indent,
+ format_ip4_header, ih4);
+ offset = ip4_header_bytes (ih4);
+ }
+
+ s = format (s, "\n%U%U", format_white_space, indent,
+ format_esp_header, t->packet_data + offset);
+
+ return s;
+}
+
+always_inline uword
+dpdk_esp_encrypt_inline (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame, int is_ip6, int is_tun)
+{
+ u32 n_left_from, *from, *to_next, next_index, thread_index;
+ ipsec_main_t *im = &ipsec_main;
+ vnet_main_t *vnm = vnet_get_main ();
+ u32 thread_idx = vlib_get_thread_index ();
+ dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
+ crypto_resource_t *res = 0;
+ ipsec_sa_t *sa0 = 0;
+ crypto_alg_t *cipher_alg = 0, *auth_alg = 0;
+ struct rte_cryptodev_sym_session *session = 0;
+ u32 ret, last_sa_index = ~0;
+ u8 numa = rte_socket_id ();
+ u8 is_aead = 0;
+ crypto_worker_main_t *cwm =
+ vec_elt_at_index (dcm->workers_main, thread_idx);
+ struct rte_crypto_op **ops = cwm->ops;
+
+ from = vlib_frame_vector_args (from_frame);
+ n_left_from = from_frame->n_vectors;
+ thread_index = vm->thread_index;
+
+ ret = crypto_alloc_ops (numa, ops, n_left_from);
+ if (ret)
+ {
+ if (is_ip6)
+ vlib_node_increment_counter (vm, dpdk_esp6_encrypt_node.index,
+ ESP_ENCRYPT_ERROR_DISCARD, n_left_from);
+ else
+ vlib_node_increment_counter (vm, dpdk_esp4_encrypt_node.index,
+ ESP_ENCRYPT_ERROR_DISCARD, n_left_from);
+ /* Discard whole frame */
+ vlib_buffer_free (vm, from, n_left_from);
+ return n_left_from;
+ }
+
+ next_index = ESP_ENCRYPT_NEXT_DROP;
+
+ while (n_left_from > 0)
+ {
+ u32 n_left_to_next;
+
+ vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
+
+ while (n_left_from > 0 && n_left_to_next > 0)
+ {
+ clib_error_t *error;
+ u32 bi0, bi1;
+ vlib_buffer_t *b0, *b1;
+ u32 sa_index0;
+ ip4_and_esp_header_t *ih0, *oh0 = 0;
+ ip6_and_esp_header_t *ih6_0, *oh6_0 = 0;
+ ip4_and_udp_and_esp_header_t *ouh0 = 0;
+ esp_header_t *esp0;
+ esp_footer_t *f0;
+ u8 next_hdr_type;
+ u32 iv_size;
+ u16 orig_sz;
+ u8 trunc_size;
+ u16 rewrite_len;
+ u16 udp_encap_adv = 0;
+ struct rte_mbuf *mb0;
+ struct rte_crypto_op *op;
+ u16 res_idx;
+
+ bi0 = from[0];
+ from += 1;
+ n_left_from -= 1;
+
+ b0 = vlib_get_buffer (vm, bi0);
+ ih0 = vlib_buffer_get_current (b0);
+ mb0 = rte_mbuf_from_vlib_buffer (b0);
+
+ /* ih0/ih6_0 */
+ CLIB_PREFETCH (ih0, sizeof (ih6_0[0]), LOAD);
+ /* f0 */
+ CLIB_PREFETCH (vlib_buffer_get_tail (b0), 20, STORE);
+ /* mb0 */
+ CLIB_PREFETCH (mb0, CLIB_CACHE_LINE_BYTES, STORE);
+
+ if (n_left_from > 1)
+ {
+ bi1 = from[1];
+ b1 = vlib_get_buffer (vm, bi1);
+
+ CLIB_PREFETCH (b1, CLIB_CACHE_LINE_BYTES, LOAD);
+ CLIB_PREFETCH (b1->data - CLIB_CACHE_LINE_BYTES,
+ CLIB_CACHE_LINE_BYTES, STORE);
+ }
+
+ op = ops[0];
+ ops += 1;
+ ASSERT (op->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED);
+
+ dpdk_op_priv_t *priv = crypto_op_get_priv (op);
+ /* store bi in op private */
+ priv->bi = bi0;
+ priv->encrypt = 1;
+
+ u16 op_len =
+ sizeof (op[0]) + sizeof (op[0].sym[0]) + sizeof (priv[0]);
+ CLIB_PREFETCH (op, op_len, STORE);
+
+ if (is_tun)
+ {
+ /* we are on a ipsec tunnel's feature arc */
+ vnet_buffer (b0)->ipsec.sad_index =
+ sa_index0 = ipsec_tun_protect_get_sa_out
+ (vnet_buffer (b0)->ip.adj_index[VLIB_TX]);
+ }
+ else
+ sa_index0 = vnet_buffer (b0)->ipsec.sad_index;
+
+ if (sa_index0 != last_sa_index)
+ {
+ sa0 = ipsec_sa_get (sa_index0);
+
+ cipher_alg =
+ vec_elt_at_index (dcm->cipher_algs, sa0->crypto_alg);
+ auth_alg = vec_elt_at_index (dcm->auth_algs, sa0->integ_alg);
+
+ is_aead = (cipher_alg->type == RTE_CRYPTO_SYM_XFORM_AEAD);
+
+ if (is_aead)
+ auth_alg = cipher_alg;
+
+ res_idx = get_resource (cwm, sa0);
+
+ if (PREDICT_FALSE (res_idx == (u16) ~ 0))
+ {
+ if (is_ip6)
+ vlib_node_increment_counter (vm,
+ dpdk_esp6_encrypt_node.index,
+ ESP_ENCRYPT_ERROR_NOSUP, 1);
+ else
+ vlib_node_increment_counter (vm,
+ dpdk_esp4_encrypt_node.index,
+ ESP_ENCRYPT_ERROR_NOSUP, 1);
+ to_next[0] = bi0;
+ to_next += 1;
+ n_left_to_next -= 1;
+ goto trace;
+ }
+ res = vec_elt_at_index (dcm->resource, res_idx);
+
+ error = crypto_get_session (&session, sa_index0, res, cwm, 1);
+ if (PREDICT_FALSE (error || !session))
+ {
+ if (is_ip6)
+ vlib_node_increment_counter (vm,
+ dpdk_esp6_encrypt_node.index,
+ ESP_ENCRYPT_ERROR_SESSION,
+ 1);
+ else
+ vlib_node_increment_counter (vm,
+ dpdk_esp4_encrypt_node.index,
+ ESP_ENCRYPT_ERROR_SESSION,
+ 1);
+ to_next[0] = bi0;
+ to_next += 1;
+ n_left_to_next -= 1;
+ goto trace;
+ }
+
+ last_sa_index = sa_index0;
+ }
+
+ if (PREDICT_FALSE (esp_seq_advance (sa0)))
+ {
+ if (is_ip6)
+ vlib_node_increment_counter (vm,
+ dpdk_esp6_encrypt_node.index,
+ ESP_ENCRYPT_ERROR_SEQ_CYCLED, 1);
+ else
+ vlib_node_increment_counter (vm,
+ dpdk_esp4_encrypt_node.index,
+ ESP_ENCRYPT_ERROR_SEQ_CYCLED, 1);
+ //TODO: rekey SA
+ to_next[0] = bi0;
+ to_next += 1;
+ n_left_to_next -= 1;
+ goto trace;
+ }
+
+ orig_sz = b0->current_length;
+
+ /* TODO multi-seg support - total_length_not_including_first_buffer */
+ vlib_increment_combined_counter
+ (&ipsec_sa_counters, thread_index, sa_index0,
+ 1, b0->current_length);
+
+ /* Update tunnel interface tx counters */
+ if (is_tun)
+ vlib_increment_combined_counter
+ (vim->combined_sw_if_counters + VNET_INTERFACE_COUNTER_TX,
+ thread_index, vnet_buffer (b0)->sw_if_index[VLIB_TX],
+ 1, b0->current_length);
+
+ res->ops[res->n_ops] = op;
+ res->bi[res->n_ops] = bi0;
+ res->n_ops += 1;
+
+ dpdk_gcm_cnt_blk *icb = &priv->cb;
+
+ crypto_set_icb (icb, sa0->salt, sa0->seq, sa0->seq_hi);
+
+ iv_size = cipher_alg->iv_len;
+ trunc_size = auth_alg->trunc_size;
+
+ /* if UDP encapsulation is used adjust the address of the IP header */
+ if (ipsec_sa_is_set_UDP_ENCAP (sa0) && !is_ip6)
+ udp_encap_adv = sizeof (udp_header_t);
+
+ if (ipsec_sa_is_set_IS_TUNNEL (sa0))
+ {
+ rewrite_len = 0;
+ if (!ipsec_sa_is_set_IS_TUNNEL_V6 (sa0)) /* ip4 */
+ {
+ /* in tunnel mode send it back to FIB */
+ priv->next = DPDK_CRYPTO_INPUT_NEXT_IP4_LOOKUP;
+ u8 adv = sizeof (ip4_header_t) + udp_encap_adv +
+ sizeof (esp_header_t) + iv_size;
+ vlib_buffer_advance (b0, -adv);
+ oh0 = vlib_buffer_get_current (b0);
+ ouh0 = vlib_buffer_get_current (b0);
+ next_hdr_type = (is_ip6 ?
+ IP_PROTOCOL_IPV6 : IP_PROTOCOL_IP_IN_IP);
+ /*
+ * oh0->ip4.ip_version_and_header_length = 0x45;
+ * oh0->ip4.tos = ih0->ip4.tos;
+ * oh0->ip4.fragment_id = 0;
+ * oh0->ip4.flags_and_fragment_offset = 0;
+ */
+ oh0->ip4.checksum_data_64[0] =
+ clib_host_to_net_u64 (0x45ULL << 56);
+ /*
+ * oh0->ip4.ttl = 254;
+ * oh0->ip4.protocol = IP_PROTOCOL_IPSEC_ESP;
+ */
+ oh0->ip4.checksum_data_32[2] =
+ clib_host_to_net_u32 (0xfe320000);
+
+ oh0->ip4.src_address.as_u32 =
+ sa0->tunnel.t_src.ip.ip4.as_u32;
+ oh0->ip4.dst_address.as_u32 =
+ sa0->tunnel.t_dst.ip.ip4.as_u32;
+
+ if (ipsec_sa_is_set_UDP_ENCAP (sa0))
+ {
+ oh0->ip4.protocol = IP_PROTOCOL_UDP;
+ esp0 = &ouh0->esp;
+ }
+ else
+ esp0 = &oh0->esp;
+ esp0->spi = clib_host_to_net_u32 (sa0->spi);
+ esp0->seq = clib_host_to_net_u32 (sa0->seq);
+ }
+ else
+ {
+ /* ip6 */
+ /* in tunnel mode send it back to FIB */
+ priv->next = DPDK_CRYPTO_INPUT_NEXT_IP6_LOOKUP;
+
+ u8 adv =
+ sizeof (ip6_header_t) + sizeof (esp_header_t) + iv_size;
+ vlib_buffer_advance (b0, -adv);
+ ih6_0 = (ip6_and_esp_header_t *) ih0;
+ oh6_0 = vlib_buffer_get_current (b0);
+
+ next_hdr_type = (is_ip6 ?
+ IP_PROTOCOL_IPV6 : IP_PROTOCOL_IP_IN_IP);
+
+ oh6_0->ip6.ip_version_traffic_class_and_flow_label =
+ ih6_0->ip6.ip_version_traffic_class_and_flow_label;
+
+ oh6_0->ip6.protocol = IP_PROTOCOL_IPSEC_ESP;
+ oh6_0->ip6.hop_limit = 254;
+ oh6_0->ip6.src_address.as_u64[0] =
+ sa0->tunnel.t_src.ip.ip6.as_u64[0];
+ oh6_0->ip6.src_address.as_u64[1] =
+ sa0->tunnel.t_src.ip.ip6.as_u64[1];
+ oh6_0->ip6.dst_address.as_u64[0] =
+ sa0->tunnel.t_dst.ip.ip6.as_u64[0];
+ oh6_0->ip6.dst_address.as_u64[1] =
+ sa0->tunnel.t_dst.ip.ip6.as_u64[1];
+ esp0 = &oh6_0->esp;
+ oh6_0->esp.spi = clib_host_to_net_u32 (sa0->spi);
+ oh6_0->esp.seq = clib_host_to_net_u32 (sa0->seq);
+ }
+
+ vnet_buffer (b0)->sw_if_index[VLIB_TX] = (u32) ~ 0;
+ }
+ else /* transport mode */
+ {
+ if (is_tun)
+ {
+ rewrite_len = 0;
+ priv->next = DPDK_CRYPTO_INPUT_NEXT_MIDCHAIN;
+ }
+ else
+ {
+ priv->next = DPDK_CRYPTO_INPUT_NEXT_INTERFACE_OUTPUT;
+ rewrite_len = vnet_buffer (b0)->ip.save_rewrite_length;
+ }
+ u16 adv = sizeof (esp_header_t) + iv_size + udp_encap_adv;
+ vlib_buffer_advance (b0, -adv - rewrite_len);
+ u8 *src = ((u8 *) ih0) - rewrite_len;
+ u8 *dst = vlib_buffer_get_current (b0);
+ oh0 = vlib_buffer_get_current (b0) + rewrite_len;
+ ouh0 = vlib_buffer_get_current (b0) + rewrite_len;
+
+ if (is_ip6)
+ {
+ orig_sz -= sizeof (ip6_header_t);
+ ih6_0 = (ip6_and_esp_header_t *) ih0;
+ next_hdr_type = ih6_0->ip6.protocol;
+ memmove (dst, src, rewrite_len + sizeof (ip6_header_t));
+ oh6_0 = (ip6_and_esp_header_t *) oh0;
+ oh6_0->ip6.protocol = IP_PROTOCOL_IPSEC_ESP;
+ esp0 = &oh6_0->esp;
+ }
+ else /* ipv4 */
+ {
+ u16 ip_size = ip4_header_bytes (&ih0->ip4);
+ orig_sz -= ip_size;
+ next_hdr_type = ih0->ip4.protocol;
+ memmove (dst, src, rewrite_len + ip_size);
+ oh0->ip4.protocol = IP_PROTOCOL_IPSEC_ESP;
+ esp0 = (esp_header_t *) (((u8 *) oh0) + ip_size);
+ if (ipsec_sa_is_set_UDP_ENCAP (sa0))
+ {
+ oh0->ip4.protocol = IP_PROTOCOL_UDP;
+ esp0 = (esp_header_t *)
+ (((u8 *) oh0) + ip_size + udp_encap_adv);
+ }
+ else
+ {
+ oh0->ip4.protocol = IP_PROTOCOL_IPSEC_ESP;
+ esp0 = (esp_header_t *) (((u8 *) oh0) + ip_size);
+ }
+ }
+ esp0->spi = clib_host_to_net_u32 (sa0->spi);
+ esp0->seq = clib_host_to_net_u32 (sa0->seq);
+ }
+
+ if (ipsec_sa_is_set_UDP_ENCAP (sa0) && ouh0)
+ {
+ ouh0->udp.src_port = clib_host_to_net_u16 (UDP_DST_PORT_ipsec);
+ ouh0->udp.dst_port = clib_host_to_net_u16 (UDP_DST_PORT_ipsec);
+ ouh0->udp.checksum = 0;
+ }
+ ASSERT (is_pow2 (cipher_alg->boundary));
+ u16 mask = cipher_alg->boundary - 1;
+ u16 pad_payload_len = ((orig_sz + 2) + mask) & ~mask;
+ u8 pad_bytes = pad_payload_len - 2 - orig_sz;
+
+ u8 *padding =
+ vlib_buffer_put_uninit (b0, pad_bytes + 2 + trunc_size);
+
+ /* The extra pad bytes would be overwritten by the digest */
+ if (pad_bytes)
+ clib_memcpy_fast (padding, pad_data, 16);
+
+ f0 = (esp_footer_t *) (padding + pad_bytes);
+ f0->pad_length = pad_bytes;
+ f0->next_header = next_hdr_type;
+
+ if (oh6_0)
+ {
+ u16 len = b0->current_length - sizeof (ip6_header_t);
+ oh6_0->ip6.payload_length =
+ clib_host_to_net_u16 (len - rewrite_len);
+ }
+ else if (oh0)
+ {
+ oh0->ip4.length =
+ clib_host_to_net_u16 (b0->current_length - rewrite_len);
+ oh0->ip4.checksum = ip4_header_checksum (&oh0->ip4);
+ if (ipsec_sa_is_set_UDP_ENCAP (sa0) && ouh0)
+ {
+ ouh0->udp.length =
+ clib_host_to_net_u16 (clib_net_to_host_u16
+ (ouh0->ip4.length) -
+ ip4_header_bytes (&ouh0->ip4));
+ }
+ }
+ else /* should never happen */
+ clib_warning ("No outer header found for ESP packet");
+
+ b0->flags |= VLIB_BUFFER_TOTAL_LENGTH_VALID;
+
+ /* mbuf packet starts at ESP header */
+ mb0->data_len = vlib_buffer_get_tail (b0) - ((u8 *) esp0);
+ mb0->pkt_len = vlib_buffer_get_tail (b0) - ((u8 *) esp0);
+ mb0->data_off = ((void *) esp0) - mb0->buf_addr;
+
+ u32 cipher_off, cipher_len, auth_len = 0;
+ u32 *aad = NULL;
+
+ u8 *digest = vlib_buffer_get_tail (b0) - trunc_size;
+ u64 digest_paddr = mb0->buf_iova + digest - ((u8 *) mb0->buf_addr);
+
+ if (!is_aead && (cipher_alg->alg == RTE_CRYPTO_CIPHER_AES_CBC ||
+ cipher_alg->alg == RTE_CRYPTO_CIPHER_NULL))
+ {
+ cipher_off = sizeof (esp_header_t);
+ cipher_len = iv_size + pad_payload_len;
+ }
+ else /* CTR/GCM */
+ {
+ u32 *esp_iv = (u32 *) (esp0 + 1);
+ esp_iv[0] = sa0->seq;
+ esp_iv[1] = sa0->seq_hi;
+
+ cipher_off = sizeof (esp_header_t) + iv_size;
+ cipher_len = pad_payload_len;
+ }
+
+ if (is_aead)
+ {
+ aad = (u32 *) priv->aad;
+ aad[0] = esp0->spi;
+
+ /* aad[3] should always be 0 */
+ if (PREDICT_FALSE (ipsec_sa_is_set_USE_ESN (sa0)))
+ {
+ aad[1] = clib_host_to_net_u32 (sa0->seq_hi);
+ aad[2] = esp0->seq;
+ }
+ else
+ {
+ aad[1] = esp0->seq;
+ aad[2] = 0;
+ }
+ }
+ else
+ {
+ auth_len =
+ vlib_buffer_get_tail (b0) - ((u8 *) esp0) - trunc_size;
+ if (ipsec_sa_is_set_USE_ESN (sa0))
+ {
+ u32 *_digest = (u32 *) digest;
+ _digest[0] = clib_host_to_net_u32 (sa0->seq_hi);
+ auth_len += 4;
+ }
+ }
+
+ crypto_op_setup (is_aead, mb0, op, session, cipher_off, cipher_len,
+ 0, auth_len, (u8 *) aad, digest, digest_paddr);
+
+ trace:
+ if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
+ {
+ esp_encrypt_trace_t *tr =
+ vlib_add_trace (vm, node, b0, sizeof (*tr));
+ tr->crypto_alg = sa0->crypto_alg;
+ tr->integ_alg = sa0->integ_alg;
+ u8 *p = vlib_buffer_get_current (b0);
+ if (!ipsec_sa_is_set_IS_TUNNEL (sa0) && !is_tun)
+ p += vnet_buffer (b0)->ip.save_rewrite_length;
+ clib_memcpy_fast (tr->packet_data, p, sizeof (tr->packet_data));
+ }
+ }
+ vlib_put_next_frame (vm, node, next_index, n_left_to_next);
+ }
+ if (is_ip6)
+ {
+ vlib_node_increment_counter (vm,
+ (is_tun ?
+ dpdk_esp6_encrypt_tun_node.index :
+ dpdk_esp6_encrypt_node.index),
+ ESP_ENCRYPT_ERROR_RX_PKTS,
+ from_frame->n_vectors);
+
+ crypto_enqueue_ops (vm, cwm, dpdk_esp6_encrypt_node.index,
+ ESP_ENCRYPT_ERROR_ENQ_FAIL, numa, 1 /* encrypt */ );
+ }
+ else
+ {
+ vlib_node_increment_counter (vm,
+ (is_tun ?
+ dpdk_esp4_encrypt_tun_node.index :
+ dpdk_esp4_encrypt_node.index),
+ ESP_ENCRYPT_ERROR_RX_PKTS,
+ from_frame->n_vectors);
+
+ crypto_enqueue_ops (vm, cwm, dpdk_esp4_encrypt_node.index,
+ ESP_ENCRYPT_ERROR_ENQ_FAIL, numa, 1 /* encrypt */ );
+ }
+
+ crypto_free_ops (numa, ops, cwm->ops + from_frame->n_vectors - ops);
+
+ return from_frame->n_vectors;
+}
+
+VLIB_NODE_FN (dpdk_esp4_encrypt_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame)
+{
+ return dpdk_esp_encrypt_inline (vm, node, from_frame, 0 /*is_ip6 */ , 0);
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (dpdk_esp4_encrypt_node) = {
+ .name = "dpdk-esp4-encrypt",
+ .flags = VLIB_NODE_FLAG_IS_OUTPUT,
+ .vector_size = sizeof (u32),
+ .format_trace = format_esp_encrypt_trace,
+ .n_errors = ARRAY_LEN (esp_encrypt_error_strings),
+ .error_strings = esp_encrypt_error_strings,
+ .n_next_nodes = 1,
+ .next_nodes =
+ {
+ [ESP_ENCRYPT_NEXT_DROP] = "error-drop",
+ }
+};
+/* *INDENT-ON* */
+
+VLIB_NODE_FN (dpdk_esp6_encrypt_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame)
+{
+ return dpdk_esp_encrypt_inline (vm, node, from_frame, 1 /*is_ip6 */ , 0);
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (dpdk_esp6_encrypt_node) = {
+ .name = "dpdk-esp6-encrypt",
+ .flags = VLIB_NODE_FLAG_IS_OUTPUT,
+ .vector_size = sizeof (u32),
+ .format_trace = format_esp_encrypt_trace,
+ .n_errors = ARRAY_LEN (esp_encrypt_error_strings),
+ .error_strings = esp_encrypt_error_strings,
+ .n_next_nodes = 1,
+ .next_nodes =
+ {
+ [ESP_ENCRYPT_NEXT_DROP] = "error-drop",
+ }
+};
+/* *INDENT-ON* */
+
+VLIB_NODE_FN (dpdk_esp4_encrypt_tun_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame)
+{
+ return dpdk_esp_encrypt_inline (vm, node, from_frame, 0 /*is_ip6 */ , 1);
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (dpdk_esp4_encrypt_tun_node) = {
+ .name = "dpdk-esp4-encrypt-tun",
+ .flags = VLIB_NODE_FLAG_IS_OUTPUT,
+ .vector_size = sizeof (u32),
+ .format_trace = format_esp_encrypt_trace,
+ .n_errors = ARRAY_LEN (esp_encrypt_error_strings),
+ .error_strings = esp_encrypt_error_strings,
+ .n_next_nodes = 1,
+ .next_nodes =
+ {
+ [ESP_ENCRYPT_NEXT_DROP] = "error-drop",
+ }
+};
+/* *INDENT-ON* */
+
+VLIB_NODE_FN (dpdk_esp6_encrypt_tun_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame)
+{
+ return dpdk_esp_encrypt_inline (vm, node, from_frame, 1 /*is_ip6 */ , 1);
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (dpdk_esp6_encrypt_tun_node) = {
+ .name = "dpdk-esp6-encrypt-tun",
+ .flags = VLIB_NODE_FLAG_IS_OUTPUT,
+ .vector_size = sizeof (u32),
+ .format_trace = format_esp_encrypt_trace,
+ .n_errors = ARRAY_LEN (esp_encrypt_error_strings),
+ .error_strings = esp_encrypt_error_strings,
+ .n_next_nodes = 1,
+ .next_nodes =
+ {
+ [ESP_ENCRYPT_NEXT_DROP] = "error-drop",
+ }
+};
+/* *INDENT-ON* */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
Code Review / vpp.git / blobdiff