diff options
Diffstat (limited to 'examples/ipsec-secgw')
| -rw-r--r-- | examples/ipsec-secgw/Makefile | 62 | ||||
| -rw-r--r-- | examples/ipsec-secgw/esp.c | 251 | ||||
| -rw-r--r-- | examples/ipsec-secgw/esp.h | 66 | ||||
| -rw-r--r-- | examples/ipsec-secgw/ipip.h | 103 | ||||
| -rw-r--r-- | examples/ipsec-secgw/ipsec-secgw.c | 1362 | ||||
| -rw-r--r-- | examples/ipsec-secgw/ipsec.c | 203 | ||||
| -rw-r--r-- | examples/ipsec-secgw/ipsec.h | 190 | ||||
| -rw-r--r-- | examples/ipsec-secgw/rt.c | 145 | ||||
| -rw-r--r-- | examples/ipsec-secgw/sa.c | 446 | ||||
| -rw-r--r-- | examples/ipsec-secgw/sp.c | 366 |
10 files changed, 3194 insertions, 0 deletions
diff --git a/examples/ipsec-secgw/Makefile b/examples/ipsec-secgw/Makefile new file mode 100644 index 00000000..f9b59c22 --- /dev/null +++ b/examples/ipsec-secgw/Makefile @@ -0,0 +1,62 @@ +# BSD LICENSE +# +# Copyright(c) 2016 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. + +ifeq ($(RTE_SDK),) + $(error "Please define RTE_SDK environment variable") +endif + +# Default target, can be overridden by command line or environment +RTE_TARGET ?= x86_64-native-linuxapp-gcc + +include $(RTE_SDK)/mk/rte.vars.mk + +APP = ipsec-secgw + +CFLAGS += -O3 -gdwarf-2 +CFLAGS += $(WERROR_FLAGS) +ifeq ($(CONFIG_RTE_TOOLCHAIN_ICC),y) +CFLAGS_sa.o += -diag-disable=vec +endif + + +VPATH += $(SRCDIR)/librte_ipsec + +# +# all source are stored in SRCS-y +# +SRCS-y += ipsec.c +SRCS-y += esp.c +SRCS-y += sp.c +SRCS-y += sa.c +SRCS-y += rt.c +SRCS-y += ipsec-secgw.c + +include $(RTE_SDK)/mk/rte.extapp.mk diff --git a/examples/ipsec-secgw/esp.c b/examples/ipsec-secgw/esp.c new file mode 100644 index 00000000..19273807 --- /dev/null +++ b/examples/ipsec-secgw/esp.c @@ -0,0 +1,251 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2016 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. + */ + +#include <stdint.h> +#include <stdlib.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <netinet/in.h> +#include <netinet/ip.h> +#include <fcntl.h> +#include <unistd.h> + +#include <rte_common.h> +#include <rte_memcpy.h> +#include <rte_crypto.h> +#include <rte_cryptodev.h> +#include <rte_random.h> + +#include "ipsec.h" +#include "esp.h" +#include "ipip.h" + +#define IP_ESP_HDR_SZ (sizeof(struct ip) + sizeof(struct esp_hdr)) + +static inline void +random_iv_u64(uint64_t *buf, uint16_t n) +{ + unsigned left = n & 0x7; + unsigned i; + + IPSEC_ASSERT((n & 0x3) == 0); + + for (i = 0; i < (n >> 3); i++) + buf[i] = rte_rand(); + + if (left) + *((uint32_t *)&buf[i]) = (uint32_t)lrand48(); +} + +/* IPv4 Tunnel */ +int +esp4_tunnel_inbound_pre_crypto(struct rte_mbuf *m, struct ipsec_sa *sa, + struct rte_crypto_op *cop) +{ + int32_t payload_len; + struct rte_crypto_sym_op *sym_cop; + + IPSEC_ASSERT(m != NULL); + IPSEC_ASSERT(sa != NULL); + IPSEC_ASSERT(cop != NULL); + + payload_len = rte_pktmbuf_pkt_len(m) - IP_ESP_HDR_SZ - sa->iv_len - + sa->digest_len; + + if ((payload_len & (sa->block_size - 1)) || (payload_len <= 0)) { + IPSEC_LOG(DEBUG, IPSEC_ESP, "payload %d not multiple of %u\n", + payload_len, sa->block_size); + return -EINVAL; + } + + sym_cop = (struct rte_crypto_sym_op *)(cop + 1); + + sym_cop->m_src = m; + sym_cop->cipher.data.offset = IP_ESP_HDR_SZ + sa->iv_len; + sym_cop->cipher.data.length = payload_len; + + sym_cop->cipher.iv.data = rte_pktmbuf_mtod_offset(m, void*, + IP_ESP_HDR_SZ); + sym_cop->cipher.iv.phys_addr = rte_pktmbuf_mtophys_offset(m, + IP_ESP_HDR_SZ); + sym_cop->cipher.iv.length = sa->iv_len; + + sym_cop->auth.data.offset = sizeof(struct ip); + if (sa->auth_algo == RTE_CRYPTO_AUTH_AES_GCM) + sym_cop->auth.data.length = sizeof(struct esp_hdr); + else + sym_cop->auth.data.length = sizeof(struct esp_hdr) + + sa->iv_len + payload_len; + + sym_cop->auth.digest.data = rte_pktmbuf_mtod_offset(m, void*, + rte_pktmbuf_pkt_len(m) - sa->digest_len); + sym_cop->auth.digest.phys_addr = rte_pktmbuf_mtophys_offset(m, + rte_pktmbuf_pkt_len(m) - sa->digest_len); + sym_cop->auth.digest.length = sa->digest_len; + + return 0; +} + +int +esp4_tunnel_inbound_post_crypto(struct rte_mbuf *m, struct ipsec_sa *sa, + struct rte_crypto_op *cop) +{ + uint8_t *nexthdr, *pad_len; + uint8_t *padding; + uint16_t i; + + IPSEC_ASSERT(m != NULL); + IPSEC_ASSERT(sa != NULL); + IPSEC_ASSERT(cop != NULL); + + if (cop->status != RTE_CRYPTO_OP_STATUS_SUCCESS) { + IPSEC_LOG(ERR, IPSEC_ESP, "Failed crypto op\n"); + return -1; + } + + nexthdr = rte_pktmbuf_mtod_offset(m, uint8_t*, + rte_pktmbuf_pkt_len(m) - sa->digest_len - 1); + pad_len = nexthdr - 1; + + padding = pad_len - *pad_len; + for (i = 0; i < *pad_len; i++) { + if (padding[i] != i) { + IPSEC_LOG(ERR, IPSEC_ESP, "invalid pad_len field\n"); + return -EINVAL; + } + } + + if (rte_pktmbuf_trim(m, *pad_len + 2 + sa->digest_len)) { + IPSEC_LOG(ERR, IPSEC_ESP, + "failed to remove pad_len + digest\n"); + return -EINVAL; + } + + return ip4ip_inbound(m, sizeof(struct esp_hdr) + sa->iv_len); +} + +int +esp4_tunnel_outbound_pre_crypto(struct rte_mbuf *m, struct ipsec_sa *sa, + struct rte_crypto_op *cop) +{ + uint16_t pad_payload_len, pad_len; + struct ip *ip; + struct esp_hdr *esp; + int i; + char *padding; + struct rte_crypto_sym_op *sym_cop; + + IPSEC_ASSERT(m != NULL); + IPSEC_ASSERT(sa != NULL); + IPSEC_ASSERT(cop != NULL); + + /* Payload length */ + pad_payload_len = RTE_ALIGN_CEIL(rte_pktmbuf_pkt_len(m) + 2, + sa->block_size); + pad_len = pad_payload_len - rte_pktmbuf_pkt_len(m); + + rte_prefetch0(rte_pktmbuf_mtod_offset(m, void *, + rte_pktmbuf_pkt_len(m))); + + /* Check maximum packet size */ + if (unlikely(IP_ESP_HDR_SZ + sa->iv_len + pad_payload_len + + sa->digest_len > IP_MAXPACKET)) { + IPSEC_LOG(DEBUG, IPSEC_ESP, "ipsec packet is too big\n"); + return -EINVAL; + } + + padding = rte_pktmbuf_append(m, pad_len + sa->digest_len); + + IPSEC_ASSERT(padding != NULL); + + ip = ip4ip_outbound(m, sizeof(struct esp_hdr) + sa->iv_len, + sa->src, sa->dst); + + esp = (struct esp_hdr *)(ip + 1); + esp->spi = sa->spi; + esp->seq = htonl(sa->seq++); + + IPSEC_LOG(DEBUG, IPSEC_ESP, "pktlen %u\n", rte_pktmbuf_pkt_len(m)); + + /* Fill pad_len using default sequential scheme */ + for (i = 0; i < pad_len - 2; i++) + padding[i] = i + 1; + + padding[pad_len - 2] = pad_len - 2; + padding[pad_len - 1] = IPPROTO_IPIP; + + sym_cop = (struct rte_crypto_sym_op *)(cop + 1); + + sym_cop->m_src = m; + sym_cop->cipher.data.offset = IP_ESP_HDR_SZ + sa->iv_len; + sym_cop->cipher.data.length = pad_payload_len; + + sym_cop->cipher.iv.data = rte_pktmbuf_mtod_offset(m, uint8_t *, + IP_ESP_HDR_SZ); + sym_cop->cipher.iv.phys_addr = rte_pktmbuf_mtophys_offset(m, + IP_ESP_HDR_SZ); + sym_cop->cipher.iv.length = sa->iv_len; + + sym_cop->auth.data.offset = sizeof(struct ip); + sym_cop->auth.data.length = sizeof(struct esp_hdr) + sa->iv_len + + pad_payload_len; + + sym_cop->auth.digest.data = rte_pktmbuf_mtod_offset(m, uint8_t *, + IP_ESP_HDR_SZ + sa->iv_len + pad_payload_len); + sym_cop->auth.digest.phys_addr = rte_pktmbuf_mtophys_offset(m, + IP_ESP_HDR_SZ + sa->iv_len + pad_payload_len); + sym_cop->auth.digest.length = sa->digest_len; + + if (sa->cipher_algo == RTE_CRYPTO_CIPHER_AES_CBC) + random_iv_u64((uint64_t *)sym_cop->cipher.iv.data, + sym_cop->cipher.iv.length); + + return 0; +} + +int +esp4_tunnel_outbound_post_crypto(struct rte_mbuf *m __rte_unused, + struct ipsec_sa *sa __rte_unused, + struct rte_crypto_op *cop) +{ + IPSEC_ASSERT(m != NULL); + IPSEC_ASSERT(sa != NULL); + IPSEC_ASSERT(cop != NULL); + + if (cop->status != RTE_CRYPTO_OP_STATUS_SUCCESS) { + IPSEC_LOG(ERR, IPSEC_ESP, "Failed crypto op\n"); + return -1; + } + + return 0; +} diff --git a/examples/ipsec-secgw/esp.h b/examples/ipsec-secgw/esp.h new file mode 100644 index 00000000..31018823 --- /dev/null +++ b/examples/ipsec-secgw/esp.h @@ -0,0 +1,66 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2016 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. + */ +#ifndef __RTE_IPSEC_XFORM_ESP_H__ +#define __RTE_IPSEC_XFORM_ESP_H__ + +struct mbuf; + +/* RFC4303 */ +struct esp_hdr { + uint32_t spi; + uint32_t seq; + /* Payload */ + /* Padding */ + /* Pad Length */ + /* Next Header */ + /* Integrity Check Value - ICV */ +}; + +/* IPv4 Tunnel */ +int +esp4_tunnel_inbound_pre_crypto(struct rte_mbuf *m, struct ipsec_sa *sa, + struct rte_crypto_op *cop); + +int +esp4_tunnel_inbound_post_crypto(struct rte_mbuf *m, struct ipsec_sa *sa, + struct rte_crypto_op *cop); + +int +esp4_tunnel_outbound_pre_crypto(struct rte_mbuf *m, struct ipsec_sa *sa, + struct rte_crypto_op *cop); + +int +esp4_tunnel_outbound_post_crypto(struct rte_mbuf *m, struct ipsec_sa *sa, + struct rte_crypto_op *cop); + +#endif /* __RTE_IPSEC_XFORM_ESP_H__ */ diff --git a/examples/ipsec-secgw/ipip.h b/examples/ipsec-secgw/ipip.h new file mode 100644 index 00000000..322076ce --- /dev/null +++ b/examples/ipsec-secgw/ipip.h @@ -0,0 +1,103 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2016 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. + */ + +#ifndef __IPIP_H__ +#define __IPIP_H__ + +#include <stdint.h> +#include <netinet/in.h> +#include <netinet/ip.h> + +#include <rte_mbuf.h> + +#define IPV6_VERSION (6) + +static inline struct ip * +ip4ip_outbound(struct rte_mbuf *m, uint32_t offset, uint32_t src, uint32_t dst) +{ + struct ip *inip, *outip; + + inip = rte_pktmbuf_mtod(m, struct ip*); + + IPSEC_ASSERT(inip->ip_v == IPVERSION || inip->ip_v == IPV6_VERSION); + + offset += sizeof(struct ip); + + outip = (struct ip *)rte_pktmbuf_prepend(m, offset); + + IPSEC_ASSERT(outip != NULL); + + /* Per RFC4301 5.1.2.1 */ + outip->ip_v = IPVERSION; + outip->ip_hl = 5; + outip->ip_tos = inip->ip_tos; + outip->ip_len = htons(rte_pktmbuf_data_len(m)); + + outip->ip_id = 0; + outip->ip_off = 0; + + outip->ip_ttl = IPDEFTTL; + outip->ip_p = IPPROTO_ESP; + + outip->ip_src.s_addr = src; + outip->ip_dst.s_addr = dst; + + return outip; +} + +static inline int +ip4ip_inbound(struct rte_mbuf *m, uint32_t offset) +{ + struct ip *inip; + struct ip *outip; + + outip = rte_pktmbuf_mtod(m, struct ip*); + + IPSEC_ASSERT(outip->ip_v == IPVERSION); + + offset += sizeof(struct ip); + inip = (struct ip *)rte_pktmbuf_adj(m, offset); + IPSEC_ASSERT(inip->ip_v == IPVERSION || inip->ip_v == IPV6_VERSION); + + /* Check packet is still bigger than IP header (inner) */ + IPSEC_ASSERT(rte_pktmbuf_pkt_len(m) > sizeof(struct ip)); + + /* RFC4301 5.1.2.1 Note 6 */ + if ((inip->ip_tos & htons(IPTOS_ECN_ECT0 | IPTOS_ECN_ECT1)) && + ((outip->ip_tos & htons(IPTOS_ECN_CE)) == IPTOS_ECN_CE)) + inip->ip_tos |= htons(IPTOS_ECN_CE); + + return 0; +} + +#endif /* __IPIP_H__ */ diff --git a/examples/ipsec-secgw/ipsec-secgw.c b/examples/ipsec-secgw/ipsec-secgw.c new file mode 100644 index 00000000..00ab2d84 --- /dev/null +++ b/examples/ipsec-secgw/ipsec-secgw.c @@ -0,0 +1,1362 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2016 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. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <stdint.h> +#include <inttypes.h> +#include <sys/types.h> +#include <netinet/in.h> +#include <netinet/ip.h> +#include <string.h> +#include <sys/queue.h> +#include <stdarg.h> +#include <errno.h> +#include <getopt.h> + +#include <rte_common.h> +#include <rte_byteorder.h> +#include <rte_log.h> +#include <rte_eal.h> +#include <rte_launch.h> +#include <rte_atomic.h> +#include <rte_cycles.h> +#include <rte_prefetch.h> +#include <rte_lcore.h> +#include <rte_per_lcore.h> +#include <rte_branch_prediction.h> +#include <rte_interrupts.h> +#include <rte_pci.h> +#include <rte_random.h> +#include <rte_debug.h> +#include <rte_ether.h> +#include <rte_ethdev.h> +#include <rte_mempool.h> +#include <rte_mbuf.h> +#include <rte_acl.h> +#include <rte_lpm.h> +#include <rte_hash.h> +#include <rte_jhash.h> +#include <rte_cryptodev.h> + +#include "ipsec.h" + +#define RTE_LOGTYPE_IPSEC RTE_LOGTYPE_USER1 + +#define MAX_JUMBO_PKT_LEN 9600 + +#define MEMPOOL_CACHE_SIZE 256 + +#define NB_MBUF (32000) + +#define CDEV_MAP_ENTRIES 1024 +#define CDEV_MP_NB_OBJS 2048 +#define CDEV_MP_CACHE_SZ 64 +#define MAX_QUEUE_PAIRS 1 + +#define OPTION_CONFIG "config" +#define OPTION_SINGLE_SA "single-sa" +#define OPTION_EP0 "ep0" +#define OPTION_EP1 "ep1" + +#define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */ + +#define NB_SOCKETS 4 + +/* Configure how many packets ahead to prefetch, when reading packets */ +#define PREFETCH_OFFSET 3 + +#define MAX_RX_QUEUE_PER_LCORE 16 + +#define MAX_LCORE_PARAMS 1024 + +#define UNPROTECTED_PORT(port) (unprotected_port_mask & (1 << portid)) + +/* + * Configurable number of RX/TX ring descriptors + */ +#define IPSEC_SECGW_RX_DESC_DEFAULT 128 +#define IPSEC_SECGW_TX_DESC_DEFAULT 512 +static uint16_t nb_rxd = IPSEC_SECGW_RX_DESC_DEFAULT; +static uint16_t nb_txd = IPSEC_SECGW_TX_DESC_DEFAULT; + +#if RTE_BYTE_ORDER != RTE_LITTLE_ENDIAN +#define __BYTES_TO_UINT64(a, b, c, d, e, f, g, h) \ + (((uint64_t)((a) & 0xff) << 56) | \ + ((uint64_t)((b) & 0xff) << 48) | \ + ((uint64_t)((c) & 0xff) << 40) | \ + ((uint64_t)((d) & 0xff) << 32) | \ + ((uint64_t)((e) & 0xff) << 24) | \ + ((uint64_t)((f) & 0xff) << 16) | \ + ((uint64_t)((g) & 0xff) << 8) | \ + ((uint64_t)(h) & 0xff)) +#else +#define __BYTES_TO_UINT64(a, b, c, d, e, f, g, h) \ + (((uint64_t)((h) & 0xff) << 56) | \ + ((uint64_t)((g) & 0xff) << 48) | \ + ((uint64_t)((f) & 0xff) << 40) | \ + ((uint64_t)((e) & 0xff) << 32) | \ + ((uint64_t)((d) & 0xff) << 24) | \ + ((uint64_t)((c) & 0xff) << 16) | \ + ((uint64_t)((b) & 0xff) << 8) | \ + ((uint64_t)(a) & 0xff)) +#endif +#define ETHADDR(a, b, c, d, e, f) (__BYTES_TO_UINT64(a, b, c, d, e, f, 0, 0)) + +#define ETHADDR_TO_UINT64(addr) __BYTES_TO_UINT64( \ + addr.addr_bytes[0], addr.addr_bytes[1], \ + addr.addr_bytes[2], addr.addr_bytes[3], \ + addr.addr_bytes[4], addr.addr_bytes[5], \ + 0, 0) + +/* port/source ethernet addr and destination ethernet addr */ +struct ethaddr_info { + uint64_t src, dst; +}; + +struct ethaddr_info ethaddr_tbl[RTE_MAX_ETHPORTS] = { + { 0, ETHADDR(0x00, 0x16, 0x3e, 0x7e, 0x94, 0x9a) }, + { 0, ETHADDR(0x00, 0x16, 0x3e, 0x22, 0xa1, 0xd9) }, + { 0, ETHADDR(0x00, 0x16, 0x3e, 0x08, 0x69, 0x26) }, + { 0, ETHADDR(0x00, 0x16, 0x3e, 0x49, 0x9e, 0xdd) } +}; + +/* mask of enabled ports */ +static uint32_t enabled_port_mask; +static uint32_t unprotected_port_mask; +static int32_t promiscuous_on = 1; +static int32_t numa_on = 1; /**< NUMA is enabled by default. */ +static int32_t ep = -1; /**< Endpoint configuration (0 or 1) */ +static uint32_t nb_lcores; +static uint32_t single_sa; +static uint32_t single_sa_idx; + +struct lcore_rx_queue { + uint8_t port_id; + uint8_t queue_id; +} __rte_cache_aligned; + +struct lcore_params { + uint8_t port_id; + uint8_t queue_id; + uint8_t lcore_id; +} __rte_cache_aligned; + +static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS]; + +static struct lcore_params *lcore_params; +static uint16_t nb_lcore_params; + +static struct rte_hash *cdev_map_in; +static struct rte_hash *cdev_map_out; + +struct buffer { + uint16_t len; + struct rte_mbuf *m_table[MAX_PKT_BURST] __rte_aligned(sizeof(void *)); +}; + +struct lcore_conf { + uint16_t nb_rx_queue; + struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE]; + uint16_t tx_queue_id[RTE_MAX_ETHPORTS]; + struct buffer tx_mbufs[RTE_MAX_ETHPORTS]; + struct ipsec_ctx inbound; + struct ipsec_ctx outbound; + struct rt_ctx *rt_ctx; +} __rte_cache_aligned; + +static struct lcore_conf lcore_conf[RTE_MAX_LCORE]; + +static struct rte_eth_conf port_conf = { + .rxmode = { + .mq_mode = ETH_MQ_RX_RSS, + .max_rx_pkt_len = ETHER_MAX_LEN, + .split_hdr_size = 0, + .header_split = 0, /**< Header Split disabled */ + .hw_ip_checksum = 1, /**< IP checksum offload enabled */ + .hw_vlan_filter = 0, /**< VLAN filtering disabled */ + .jumbo_frame = 0, /**< Jumbo Frame Support disabled */ + .hw_strip_crc = 0, /**< CRC stripped by hardware */ + }, + .rx_adv_conf = { + .rss_conf = { + .rss_key = NULL, + .rss_hf = ETH_RSS_IP | ETH_RSS_UDP | + ETH_RSS_TCP | ETH_RSS_SCTP, + }, + }, + .txmode = { + .mq_mode = ETH_MQ_TX_NONE, + }, +}; + +static struct socket_ctx socket_ctx[NB_SOCKETS]; + +struct traffic_type { + const uint8_t *data[MAX_PKT_BURST * 2]; + struct rte_mbuf *pkts[MAX_PKT_BURST * 2]; + uint32_t res[MAX_PKT_BURST * 2]; + uint32_t num; +}; + +struct ipsec_traffic { + struct traffic_type ipsec4; + struct traffic_type ipv4; +}; + +static inline void +prepare_one_packet(struct rte_mbuf *pkt, struct ipsec_traffic *t) +{ + uint8_t *nlp; + + if (RTE_ETH_IS_IPV4_HDR(pkt->packet_type)) { + rte_pktmbuf_adj(pkt, ETHER_HDR_LEN); + nlp = rte_pktmbuf_mtod_offset(pkt, uint8_t *, + offsetof(struct ip, ip_p)); + if (*nlp == IPPROTO_ESP) + t->ipsec4.pkts[(t->ipsec4.num)++] = pkt; + else { + t->ipv4.data[t->ipv4.num] = nlp; + t->ipv4.pkts[(t->ipv4.num)++] = pkt; + } + } else { + /* Unknown/Unsupported type, drop the packet */ + rte_pktmbuf_free(pkt); + } +} + +static inline void +prepare_traffic(struct rte_mbuf **pkts, struct ipsec_traffic *t, + uint16_t nb_pkts) +{ + int32_t i; + + t->ipsec4.num = 0; + t->ipv4.num = 0; + + for (i = 0; i < (nb_pkts - PREFETCH_OFFSET); i++) { + rte_prefetch0(rte_pktmbuf_mtod(pkts[i + PREFETCH_OFFSET], + void *)); + prepare_one_packet(pkts[i], t); + } + /* Process left packets */ + for (; i < nb_pkts; i++) + prepare_one_packet(pkts[i], t); +} + +static inline void +prepare_tx_pkt(struct rte_mbuf *pkt, uint8_t port) +{ + pkt->ol_flags |= PKT_TX_IP_CKSUM | PKT_TX_IPV4; + pkt->l3_len = sizeof(struct ip); + pkt->l2_len = ETHER_HDR_LEN; + + struct ether_hdr *ethhdr = (struct ether_hdr *)rte_pktmbuf_prepend(pkt, + ETHER_HDR_LEN); + + ethhdr->ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv4); + memcpy(ðhdr->s_addr, ðaddr_tbl[port].src, + sizeof(struct ether_addr)); + memcpy(ðhdr->d_addr, ðaddr_tbl[port].dst, + sizeof(struct ether_addr)); +} + +static inline void +prepare_tx_burst(struct rte_mbuf *pkts[], uint16_t nb_pkts, uint8_t port) +{ + int32_t i; + const int32_t prefetch_offset = 2; + + for (i = 0; i < (nb_pkts - prefetch_offset); i++) { + rte_prefetch0(pkts[i + prefetch_offset]->cacheline1); + prepare_tx_pkt(pkts[i], port); + } + /* Process left packets */ + for (; i < nb_pkts; i++) + prepare_tx_pkt(pkts[i], port); +} + +/* Send burst of packets on an output interface */ +static inline int32_t +send_burst(struct lcore_conf *qconf, uint16_t n, uint8_t port) +{ + struct rte_mbuf **m_table; + int32_t ret; + uint16_t queueid; + + queueid = qconf->tx_queue_id[port]; + m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table; + + prepare_tx_burst(m_table, n, port); + + ret = rte_eth_tx_burst(port, queueid, m_table, n); + if (unlikely(ret < n)) { + do { + rte_pktmbuf_free(m_table[ret]); + } while (++ret < n); + } + + return 0; +} + +/* Enqueue a single packet, and send burst if queue is filled */ +static inline int32_t +send_single_packet(struct rte_mbuf *m, uint8_t port) +{ + uint32_t lcore_id; + uint16_t len; + struct lcore_conf *qconf; + + lcore_id = rte_lcore_id(); + + qconf = &lcore_conf[lcore_id]; + len = qconf->tx_mbufs[port].len; + qconf->tx_mbufs[port].m_table[len] = m; + len++; + + /* enough pkts to be sent */ + if (unlikely(len == MAX_PKT_BURST)) { + send_burst(qconf, MAX_PKT_BURST, port); + len = 0; + } + + qconf->tx_mbufs[port].len = len; + return 0; +} + +static inline void +process_pkts_inbound(struct ipsec_ctx *ipsec_ctx, + struct ipsec_traffic *traffic) +{ + struct rte_mbuf *m; + uint16_t idx, nb_pkts_in, i, j; + uint32_t sa_idx, res; + + nb_pkts_in = ipsec_inbound(ipsec_ctx, traffic->ipsec4.pkts, + traffic->ipsec4.num, MAX_PKT_BURST); + + /* SP/ACL Inbound check ipsec and ipv4 */ + for (i = 0; i < nb_pkts_in; i++) { + idx = traffic->ipv4.num++; + m = traffic->ipsec4.pkts[i]; + traffic->ipv4.pkts[idx] = m; + traffic->ipv4.data[idx] = rte_pktmbuf_mtod_offset(m, + uint8_t *, offsetof(struct ip, ip_p)); + } + + rte_acl_classify((struct rte_acl_ctx *)ipsec_ctx->sp_ctx, + traffic->ipv4.data, traffic->ipv4.res, + traffic->ipv4.num, DEFAULT_MAX_CATEGORIES); + + j = 0; + for (i = 0; i < traffic->ipv4.num - nb_pkts_in; i++) { + m = traffic->ipv4.pkts[i]; + res = traffic->ipv4.res[i]; + if (res & ~BYPASS) { + rte_pktmbuf_free(m); + continue; + } + traffic->ipv4.pkts[j++] = m; + } + /* Check return SA SPI matches pkt SPI */ + for ( ; i < traffic->ipv4.num; i++) { + m = traffic->ipv4.pkts[i]; + sa_idx = traffic->ipv4.res[i] & PROTECT_MASK; + if (sa_idx == 0 || !inbound_sa_check(ipsec_ctx->sa_ctx, + m, sa_idx)) { + rte_pktmbuf_free(m); + continue; + } + traffic->ipv4.pkts[j++] = m; + } + traffic->ipv4.num = j; +} + +static inline void +process_pkts_outbound(struct ipsec_ctx *ipsec_ctx, + struct ipsec_traffic *traffic) +{ + struct rte_mbuf *m; + uint16_t idx, nb_pkts_out, i, j; + uint32_t sa_idx, res; + + rte_acl_classify((struct rte_acl_ctx *)ipsec_ctx->sp_ctx, + traffic->ipv4.data, traffic->ipv4.res, + traffic->ipv4.num, DEFAULT_MAX_CATEGORIES); + + /* Drop any IPsec traffic from protected ports */ + for (i = 0; i < traffic->ipsec4.num; i++) + rte_pktmbuf_free(traffic->ipsec4.pkts[i]); + + traffic->ipsec4.num = 0; + + j = 0; + for (i = 0; i < traffic->ipv4.num; i++) { + m = traffic->ipv4.pkts[i]; + res = traffic->ipv4.res[i]; + sa_idx = res & PROTECT_MASK; + if ((res == 0) || (res & DISCARD)) + rte_pktmbuf_free(m); + else if (sa_idx != 0) { + traffic->ipsec4.res[traffic->ipsec4.num] = sa_idx; + traffic->ipsec4.pkts[traffic->ipsec4.num++] = m; + } else /* BYPASS */ + traffic->ipv4.pkts[j++] = m; + } + traffic->ipv4.num = j; + + nb_pkts_out = ipsec_outbound(ipsec_ctx, traffic->ipsec4.pkts, + traffic->ipsec4.res, traffic->ipsec4.num, + MAX_PKT_BURST); + + for (i = 0; i < nb_pkts_out; i++) { + idx = traffic->ipv4.num++; + m = traffic->ipsec4.pkts[i]; + traffic->ipv4.pkts[idx] = m; + } +} + +static inline void +process_pkts_inbound_nosp(struct ipsec_ctx *ipsec_ctx, + struct ipsec_traffic *traffic) +{ + uint16_t nb_pkts_in, i; + + /* Drop any IPv4 traffic from unprotected ports */ + for (i = 0; i < traffic->ipv4.num; i++) + rte_pktmbuf_free(traffic->ipv4.pkts[i]); + + traffic->ipv4.num = 0; + + nb_pkts_in = ipsec_inbound(ipsec_ctx, traffic->ipsec4.pkts, + traffic->ipsec4.num, MAX_PKT_BURST); + + for (i = 0; i < nb_pkts_in; i++) + traffic->ipv4.pkts[i] = traffic->ipsec4.pkts[i]; + + traffic->ipv4.num = nb_pkts_in; +} + +static inline void +process_pkts_outbound_nosp(struct ipsec_ctx *ipsec_ctx, + struct ipsec_traffic *traffic) +{ + uint16_t nb_pkts_out, i; + + /* Drop any IPsec traffic from protected ports */ + for (i = 0; i < traffic->ipsec4.num; i++) + rte_pktmbuf_free(traffic->ipsec4.pkts[i]); + + traffic->ipsec4.num = 0; + + for (i = 0; i < traffic->ipv4.num; i++) + traffic->ipv4.res[i] = single_sa_idx; + + nb_pkts_out = ipsec_outbound(ipsec_ctx, traffic->ipv4.pkts, + traffic->ipv4.res, traffic->ipv4.num, + MAX_PKT_BURST); + + traffic->ipv4.num = nb_pkts_out; +} + +static inline void +route_pkts(struct rt_ctx *rt_ctx, struct rte_mbuf *pkts[], uint8_t nb_pkts) +{ + uint32_t hop[MAX_PKT_BURST * 2]; + uint32_t dst_ip[MAX_PKT_BURST * 2]; + uint16_t i, offset; + + if (nb_pkts == 0) + return; + + for (i = 0; i < nb_pkts; i++) { + offset = offsetof(struct ip, ip_dst); + dst_ip[i] = *rte_pktmbuf_mtod_offset(pkts[i], + uint32_t *, offset); + dst_ip[i] = rte_be_to_cpu_32(dst_ip[i]); + } + + rte_lpm_lookup_bulk((struct rte_lpm *)rt_ctx, dst_ip, hop, nb_pkts); + + for (i = 0; i < nb_pkts; i++) { + if ((hop[i] & RTE_LPM_LOOKUP_SUCCESS) == 0) { + rte_pktmbuf_free(pkts[i]); + continue; + } + send_single_packet(pkts[i], hop[i] & 0xff); + } +} + +static inline void +process_pkts(struct lcore_conf *qconf, struct rte_mbuf **pkts, + uint8_t nb_pkts, uint8_t portid) +{ + struct ipsec_traffic traffic; + + prepare_traffic(pkts, &traffic, nb_pkts); + + if (single_sa) { + if (UNPROTECTED_PORT(portid)) + process_pkts_inbound_nosp(&qconf->inbound, &traffic); + else + process_pkts_outbound_nosp(&qconf->outbound, &traffic); + } else { + if (UNPROTECTED_PORT(portid)) + process_pkts_inbound(&qconf->inbound, &traffic); + else + process_pkts_outbound(&qconf->outbound, &traffic); + } + + route_pkts(qconf->rt_ctx, traffic.ipv4.pkts, traffic.ipv4.num); +} + +static inline void +drain_buffers(struct lcore_conf *qconf) +{ + struct buffer *buf; + uint32_t portid; + + for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { + buf = &qconf->tx_mbufs[portid]; + if (buf->len == 0) + continue; + send_burst(qconf, buf->len, portid); + buf->len = 0; + } +} + +/* main processing loop */ +static int32_t +main_loop(__attribute__((unused)) void *dummy) +{ + struct rte_mbuf *pkts[MAX_PKT_BURST]; + uint32_t lcore_id; + uint64_t prev_tsc, diff_tsc, cur_tsc; + int32_t i, nb_rx; + uint8_t portid, queueid; + struct lcore_conf *qconf; + int32_t socket_id; + const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) + / US_PER_S * BURST_TX_DRAIN_US; + struct lcore_rx_queue *rxql; + + prev_tsc = 0; + lcore_id = rte_lcore_id(); + qconf = &lcore_conf[lcore_id]; + rxql = qconf->rx_queue_list; + socket_id = rte_lcore_to_socket_id(lcore_id); + + qconf->rt_ctx = socket_ctx[socket_id].rt_ipv4; + qconf->inbound.sp_ctx = socket_ctx[socket_id].sp_ipv4_in; + qconf->inbound.sa_ctx = socket_ctx[socket_id].sa_ipv4_in; + qconf->inbound.cdev_map = cdev_map_in; + qconf->outbound.sp_ctx = socket_ctx[socket_id].sp_ipv4_out; + qconf->outbound.sa_ctx = socket_ctx[socket_id].sa_ipv4_out; + qconf->outbound.cdev_map = cdev_map_out; + + if (qconf->nb_rx_queue == 0) { + RTE_LOG(INFO, IPSEC, "lcore %u has nothing to do\n", lcore_id); + return 0; + } + + RTE_LOG(INFO, IPSEC, "entering main loop on lcore %u\n", lcore_id); + + for (i = 0; i < qconf->nb_rx_queue; i++) { + portid = rxql[i].port_id; + queueid = rxql[i].queue_id; + RTE_LOG(INFO, IPSEC, + " -- lcoreid=%u portid=%hhu rxqueueid=%hhu\n", + lcore_id, portid, queueid); + } + + while (1) { + cur_tsc = rte_rdtsc(); + + /* TX queue buffer drain */ + diff_tsc = cur_tsc - prev_tsc; + + if (unlikely(diff_tsc > drain_tsc)) { + drain_buffers(qconf); + prev_tsc = cur_tsc; + } + + /* Read packet from RX queues */ + for (i = 0; i < qconf->nb_rx_queue; ++i) { + portid = rxql[i].port_id; + queueid = rxql[i].queue_id; + nb_rx = rte_eth_rx_burst(portid, queueid, + pkts, MAX_PKT_BURST); + + if (nb_rx > 0) + process_pkts(qconf, pkts, nb_rx, portid); + } + } +} + +static int32_t +check_params(void) +{ + uint8_t lcore, portid, nb_ports; + uint16_t i; + int32_t socket_id; + + if (lcore_params == NULL) { + printf("Error: No port/queue/core mappings\n"); + return -1; + } + + nb_ports = rte_eth_dev_count(); + if (nb_ports > RTE_MAX_ETHPORTS) + nb_ports = RTE_MAX_ETHPORTS; + + for (i = 0; i < nb_lcore_params; ++i) { + lcore = lcore_params[i].lcore_id; + if (!rte_lcore_is_enabled(lcore)) { + printf("error: lcore %hhu is not enabled in " + "lcore mask\n", lcore); + return -1; + } + socket_id = rte_lcore_to_socket_id(lcore); + if (socket_id != 0 && numa_on == 0) { + printf("warning: lcore %hhu is on socket %d " + "with numa off\n", + lcore, socket_id); + } + portid = lcore_params[i].port_id; + if ((enabled_port_mask & (1 << portid)) == 0) { + printf("port %u is not enabled in port mask\n", portid); + return -1; + } + if (portid >= nb_ports) { + printf("port %u is not present on the board\n", portid); + return -1; + } + } + return 0; +} + +static uint8_t +get_port_nb_rx_queues(const uint8_t port) +{ + int32_t queue = -1; + uint16_t i; + + for (i = 0; i < nb_lcore_params; ++i) { + if (lcore_params[i].port_id == port && + lcore_params[i].queue_id > queue) + queue = lcore_params[i].queue_id; + } + return (uint8_t)(++queue); +} + +static int32_t +init_lcore_rx_queues(void) +{ + uint16_t i, nb_rx_queue; + uint8_t lcore; + + for (i = 0; i < nb_lcore_params; ++i) { + lcore = lcore_params[i].lcore_id; + nb_rx_queue = lcore_conf[lcore].nb_rx_queue; + if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) { + printf("error: too many queues (%u) for lcore: %u\n", + nb_rx_queue + 1, lcore); + return -1; + } + lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id = + lcore_params[i].port_id; + lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id = + lcore_params[i].queue_id; + lcore_conf[lcore].nb_rx_queue++; + } + return 0; +} + +/* display usage */ +static void +print_usage(const char *prgname) +{ + printf("%s [EAL options] -- -p PORTMASK -P -u PORTMASK" + " --"OPTION_CONFIG" (port,queue,lcore)[,(port,queue,lcore]" + " --single-sa SAIDX --ep0|--ep1\n" + " -p PORTMASK: hexadecimal bitmask of ports to configure\n" + " -P : enable promiscuous mode\n" + " -u PORTMASK: hexadecimal bitmask of unprotected ports\n" + " --"OPTION_CONFIG": (port,queue,lcore): " + "rx queues configuration\n" + " --single-sa SAIDX: use single SA index for outbound, " + "bypassing the SP\n" + " --ep0: Configure as Endpoint 0\n" + " --ep1: Configure as Endpoint 1\n", prgname); +} + +static int32_t +parse_portmask(const char *portmask) +{ + char *end = NULL; + unsigned long pm; + + /* parse hexadecimal string */ + pm = strtoul(portmask, &end, 16); + if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) + return -1; + + if ((pm == 0) && errno) + return -1; + + return pm; +} + +static int32_t +parse_decimal(const char *str) +{ + char *end = NULL; + unsigned long num; + + num = strtoul(str, &end, 10); + if ((str[0] == '\0') || (end == NULL) || (*end != '\0')) + return -1; + + return num; +} + +static int32_t +parse_config(const char *q_arg) +{ + char s[256]; + const char *p, *p0 = q_arg; + char *end; + enum fieldnames { + FLD_PORT = 0, + FLD_QUEUE, + FLD_LCORE, + _NUM_FLD + }; + int long int_fld[_NUM_FLD]; + char *str_fld[_NUM_FLD]; + int32_t i; + uint32_t size; + + nb_lcore_params = 0; + + while ((p = strchr(p0, '(')) != NULL) { + ++p; + p0 = strchr(p, ')'); + if (p0 == NULL) + return -1; + + size = p0 - p; + if (size >= sizeof(s)) + return -1; + + snprintf(s, sizeof(s), "%.*s", size, p); + if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != + _NUM_FLD) + return -1; + for (i = 0; i < _NUM_FLD; i++) { + errno = 0; + int_fld[i] = strtoul(str_fld[i], &end, 0); + if (errno != 0 || end == str_fld[i] || int_fld[i] > 255) + return -1; + } + if (nb_lcore_params >= MAX_LCORE_PARAMS) { + printf("exceeded max number of lcore params: %hu\n", + nb_lcore_params); + return -1; + } + lcore_params_array[nb_lcore_params].port_id = + (uint8_t)int_fld[FLD_PORT]; + lcore_params_array[nb_lcore_params].queue_id = + (uint8_t)int_fld[FLD_QUEUE]; + lcore_params_array[nb_lcore_params].lcore_id = + (uint8_t)int_fld[FLD_LCORE]; + ++nb_lcore_params; + } + lcore_params = lcore_params_array; + return 0; +} + +#define __STRNCMP(name, opt) (!strncmp(name, opt, sizeof(opt))) +static int32_t +parse_args_long_options(struct option *lgopts, int32_t option_index) +{ + int32_t ret = -1; + const char *optname = lgopts[option_index].name; + + if (__STRNCMP(optname, OPTION_CONFIG)) { + ret = parse_config(optarg); + if (ret) + printf("invalid config\n"); + } + + if (__STRNCMP(optname, OPTION_SINGLE_SA)) { + ret = parse_decimal(optarg); + if (ret != -1) { + single_sa = 1; + single_sa_idx = ret; + printf("Configured with single SA index %u\n", + single_sa_idx); + ret = 0; + } + } + + if (__STRNCMP(optname, OPTION_EP0)) { + printf("endpoint 0\n"); + ep = 0; + ret = 0; + } + + if (__STRNCMP(optname, OPTION_EP1)) { + printf("endpoint 1\n"); + ep = 1; + ret = 0; + } + + return ret; +} +#undef __STRNCMP + +static int32_t +parse_args(int32_t argc, char **argv) +{ + int32_t opt, ret; + char **argvopt; + int32_t option_index; + char *prgname = argv[0]; + static struct option lgopts[] = { + {OPTION_CONFIG, 1, 0, 0}, + {OPTION_SINGLE_SA, 1, 0, 0}, + {OPTION_EP0, 0, 0, 0}, + {OPTION_EP1, 0, 0, 0}, + {NULL, 0, 0, 0} + }; + + argvopt = argv; + + while ((opt = getopt_long(argc, argvopt, "p:Pu:", + lgopts, &option_index)) != EOF) { + + switch (opt) { + case 'p': + enabled_port_mask = parse_portmask(optarg); + if (enabled_port_mask == 0) { + printf("invalid portmask\n"); + print_usage(prgname); + return -1; + } + break; + case 'P': + printf("Promiscuous mode selected\n"); + promiscuous_on = 1; + break; + case 'u': + unprotected_port_mask = parse_portmask(optarg); + if (unprotected_port_mask == 0) { + printf("invalid unprotected portmask\n"); + print_usage(prgname); + return -1; + } + break; + case 0: + if (parse_args_long_options(lgopts, option_index)) { + print_usage(prgname); + return -1; + } + break; + default: + print_usage(prgname); + return -1; + } + } + + if (optind >= 0) + argv[optind-1] = prgname; + + ret = optind-1; + optind = 0; /* reset getopt lib */ + return ret; +} + +static void +print_ethaddr(const char *name, const struct ether_addr *eth_addr) +{ + char buf[ETHER_ADDR_FMT_SIZE]; + ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr); + printf("%s%s", name, buf); +} + +/* Check the link status of all ports in up to 9s, and print them finally */ +static void +check_all_ports_link_status(uint8_t port_num, uint32_t port_mask) +{ +#define CHECK_INTERVAL 100 /* 100ms */ +#define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ + uint8_t portid, count, all_ports_up, print_flag = 0; + struct rte_eth_link link; + + printf("\nChecking link status"); + fflush(stdout); + for (count = 0; count <= MAX_CHECK_TIME; count++) { + all_ports_up = 1; + for (portid = 0; portid < port_num; portid++) { + if ((port_mask & (1 << portid)) == 0) + continue; + memset(&link, 0, sizeof(link)); + rte_eth_link_get_nowait(portid, &link); + /* print link status if flag set */ + if (print_flag == 1) { + if (link.link_status) + printf("Port %d Link Up - speed %u " + "Mbps - %s\n", (uint8_t)portid, + (uint32_t)link.link_speed, + (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? + ("full-duplex") : ("half-duplex\n")); + else + printf("Port %d Link Down\n", + (uint8_t)portid); + continue; + } + /* clear all_ports_up flag if any link down */ + if (link.link_status == ETH_LINK_DOWN) { + all_ports_up = 0; + break; + } + } + /* after finally printing all link status, get out */ + if (print_flag == 1) + break; + + if (all_ports_up == 0) { + printf("."); + fflush(stdout); + rte_delay_ms(CHECK_INTERVAL); + } + + /* set the print_flag if all ports up or timeout */ + if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { + print_flag = 1; + printf("done\n"); + } + } +} + +static int32_t +add_mapping(struct rte_hash *map, const char *str, uint16_t cdev_id, + uint16_t qp, struct lcore_params *params, + struct ipsec_ctx *ipsec_ctx, + const struct rte_cryptodev_capabilities *cipher, + const struct rte_cryptodev_capabilities *auth) +{ + int32_t ret = 0; + unsigned long i; + struct cdev_key key = { 0 }; + + key.lcore_id = params->lcore_id; + if (cipher) + key.cipher_algo = cipher->sym.cipher.algo; + if (auth) + key.auth_algo = auth->sym.auth.algo; + + ret = rte_hash_lookup(map, &key); + if (ret != -ENOENT) + return 0; + + for (i = 0; i < ipsec_ctx->nb_qps; i++) + if (ipsec_ctx->tbl[i].id == cdev_id) + break; + + if (i == ipsec_ctx->nb_qps) { + if (ipsec_ctx->nb_qps == MAX_QP_PER_LCORE) { + printf("Maximum number of crypto devices assigned to " + "a core, increase MAX_QP_PER_LCORE value\n"); + return 0; + } + ipsec_ctx->tbl[i].id = cdev_id; + ipsec_ctx->tbl[i].qp = qp; + ipsec_ctx->nb_qps++; + printf("%s cdev mapping: lcore %u using cdev %u qp %u " + "(cdev_id_qp %lu)\n", str, key.lcore_id, + cdev_id, qp, i); + } + + ret = rte_hash_add_key_data(map, &key, (void *)i); + if (ret < 0) { + printf("Faled to insert cdev mapping for (lcore %u, " + "cdev %u, qp %u), errno %d\n", + key.lcore_id, ipsec_ctx->tbl[i].id, + ipsec_ctx->tbl[i].qp, ret); + return 0; + } + + return 1; +} + +static int32_t +add_cdev_mapping(struct rte_cryptodev_info *dev_info, uint16_t cdev_id, + uint16_t qp, struct lcore_params *params) +{ + int32_t ret = 0; + const struct rte_cryptodev_capabilities *i, *j; + struct rte_hash *map; + struct lcore_conf *qconf; + struct ipsec_ctx *ipsec_ctx; + const char *str; + + qconf = &lcore_conf[params->lcore_id]; + + if ((unprotected_port_mask & (1 << params->port_id)) == 0) { + map = cdev_map_out; + ipsec_ctx = &qconf->outbound; + str = "Outbound"; + } else { + map = cdev_map_in; + ipsec_ctx = &qconf->inbound; + str = "Inbound"; + } + + /* Required cryptodevs with operation chainning */ + if (!(dev_info->feature_flags & + RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING)) + return ret; + + for (i = dev_info->capabilities; + i->op != RTE_CRYPTO_OP_TYPE_UNDEFINED; i++) { + if (i->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC) + continue; + + if (i->sym.xform_type != RTE_CRYPTO_SYM_XFORM_CIPHER) + continue; + + for (j = dev_info->capabilities; + j->op != RTE_CRYPTO_OP_TYPE_UNDEFINED; j++) { + if (j->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC) + continue; + + if (j->sym.xform_type != RTE_CRYPTO_SYM_XFORM_AUTH) + continue; + + ret |= add_mapping(map, str, cdev_id, qp, params, + ipsec_ctx, i, j); + } + } + + return ret; +} + +static int32_t +cryptodevs_init(void) +{ + struct rte_cryptodev_config dev_conf; + struct rte_cryptodev_qp_conf qp_conf; + uint16_t idx, max_nb_qps, qp, i; + int16_t cdev_id; + struct rte_hash_parameters params = { 0 }; + + params.entries = CDEV_MAP_ENTRIES; + params.key_len = sizeof(struct cdev_key); + params.hash_func = rte_jhash; + params.hash_func_init_val = 0; + params.socket_id = rte_socket_id(); + + params.name = "cdev_map_in"; + cdev_map_in = rte_hash_create(¶ms); + if (cdev_map_in == NULL) + rte_panic("Failed to create cdev_map hash table, errno = %d\n", + rte_errno); + + params.name = "cdev_map_out"; + cdev_map_out = rte_hash_create(¶ms); + if (cdev_map_out == NULL) + rte_panic("Failed to create cdev_map hash table, errno = %d\n", + rte_errno); + + printf("lcore/cryptodev/qp mappings:\n"); + + idx = 0; + /* Start from last cdev id to give HW priority */ + for (cdev_id = rte_cryptodev_count() - 1; cdev_id >= 0; cdev_id--) { + struct rte_cryptodev_info cdev_info; + + rte_cryptodev_info_get(cdev_id, &cdev_info); + + if (nb_lcore_params > cdev_info.max_nb_queue_pairs) + max_nb_qps = cdev_info.max_nb_queue_pairs; + else + max_nb_qps = nb_lcore_params; + + qp = 0; + i = 0; + while (qp < max_nb_qps && i < nb_lcore_params) { + if (add_cdev_mapping(&cdev_info, cdev_id, qp, + &lcore_params[idx])) + qp++; + idx++; + idx = idx % nb_lcore_params; + i++; + } + + if (qp == 0) + continue; + + dev_conf.socket_id = rte_cryptodev_socket_id(cdev_id); + dev_conf.nb_queue_pairs = qp; + dev_conf.session_mp.nb_objs = CDEV_MP_NB_OBJS; + dev_conf.session_mp.cache_size = CDEV_MP_CACHE_SZ; + + if (rte_cryptodev_configure(cdev_id, &dev_conf)) + rte_panic("Failed to initialize crypodev %u\n", + cdev_id); + + qp_conf.nb_descriptors = CDEV_MP_NB_OBJS; + for (qp = 0; qp < dev_conf.nb_queue_pairs; qp++) + if (rte_cryptodev_queue_pair_setup(cdev_id, qp, + &qp_conf, dev_conf.socket_id)) + rte_panic("Failed to setup queue %u for " + "cdev_id %u\n", 0, cdev_id); + } + + printf("\n"); + + return 0; +} + +static void +port_init(uint8_t portid) +{ + struct rte_eth_dev_info dev_info; + struct rte_eth_txconf *txconf; + uint16_t nb_tx_queue, nb_rx_queue; + uint16_t tx_queueid, rx_queueid, queue, lcore_id; + int32_t ret, socket_id; + struct lcore_conf *qconf; + struct ether_addr ethaddr; + + rte_eth_dev_info_get(portid, &dev_info); + + printf("Configuring device port %u:\n", portid); + + rte_eth_macaddr_get(portid, ðaddr); + ethaddr_tbl[portid].src = ETHADDR_TO_UINT64(ethaddr); + print_ethaddr("Address: ", ðaddr); + printf("\n"); + + nb_rx_queue = get_port_nb_rx_queues(portid); + nb_tx_queue = nb_lcores; + + if (nb_rx_queue > dev_info.max_rx_queues) + rte_exit(EXIT_FAILURE, "Error: queue %u not available " + "(max rx queue is %u)\n", + nb_rx_queue, dev_info.max_rx_queues); + + if (nb_tx_queue > dev_info.max_tx_queues) + rte_exit(EXIT_FAILURE, "Error: queue %u not available " + "(max tx queue is %u)\n", + nb_tx_queue, dev_info.max_tx_queues); + + printf("Creating queues: nb_rx_queue=%d nb_tx_queue=%u...\n", + nb_rx_queue, nb_tx_queue); + + ret = rte_eth_dev_configure(portid, nb_rx_queue, nb_tx_queue, + &port_conf); + if (ret < 0) + rte_exit(EXIT_FAILURE, "Cannot configure device: " + "err=%d, port=%d\n", ret, portid); + + /* init one TX queue per lcore */ + tx_queueid = 0; + for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { + if (rte_lcore_is_enabled(lcore_id) == 0) + continue; + + if (numa_on) + socket_id = (uint8_t)rte_lcore_to_socket_id(lcore_id); + else + socket_id = 0; + + /* init TX queue */ + printf("Setup txq=%u,%d,%d\n", lcore_id, tx_queueid, socket_id); + + txconf = &dev_info.default_txconf; + txconf->txq_flags = 0; + + ret = rte_eth_tx_queue_setup(portid, tx_queueid, nb_txd, + socket_id, txconf); + if (ret < 0) + rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: " + "err=%d, port=%d\n", ret, portid); + + qconf = &lcore_conf[lcore_id]; + qconf->tx_queue_id[portid] = tx_queueid; + tx_queueid++; + + /* init RX queues */ + for (queue = 0; queue < qconf->nb_rx_queue; ++queue) { + if (portid != qconf->rx_queue_list[queue].port_id) + continue; + + rx_queueid = qconf->rx_queue_list[queue].queue_id; + + printf("Setup rxq=%d,%d,%d\n", portid, rx_queueid, + socket_id); + + ret = rte_eth_rx_queue_setup(portid, rx_queueid, + nb_rxd, socket_id, NULL, + socket_ctx[socket_id].mbuf_pool); + if (ret < 0) + rte_exit(EXIT_FAILURE, + "rte_eth_rx_queue_setup: err=%d, " + "port=%d\n", ret, portid); + } + } + printf("\n"); +} + +static void +pool_init(struct socket_ctx *ctx, int32_t socket_id, uint32_t nb_mbuf) +{ + char s[64]; + + snprintf(s, sizeof(s), "mbuf_pool_%d", socket_id); + ctx->mbuf_pool = rte_pktmbuf_pool_create(s, nb_mbuf, + MEMPOOL_CACHE_SIZE, ipsec_metadata_size(), + RTE_MBUF_DEFAULT_BUF_SIZE, + socket_id); + if (ctx->mbuf_pool == NULL) + rte_exit(EXIT_FAILURE, "Cannot init mbuf pool on socket %d\n", + socket_id); + else + printf("Allocated mbuf pool on socket %d\n", socket_id); +} + +int32_t +main(int32_t argc, char **argv) +{ + int32_t ret; + uint32_t lcore_id, nb_ports; + uint8_t portid, socket_id; + + /* init EAL */ + ret = rte_eal_init(argc, argv); + if (ret < 0) + rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n"); + argc -= ret; + argv += ret; + + /* parse application arguments (after the EAL ones) */ + ret = parse_args(argc, argv); + if (ret < 0) + rte_exit(EXIT_FAILURE, "Invalid parameters\n"); + + if (ep < 0) + rte_exit(EXIT_FAILURE, "need to choose either EP0 or EP1\n"); + + if ((unprotected_port_mask & enabled_port_mask) != + unprotected_port_mask) + rte_exit(EXIT_FAILURE, "Invalid unprotected portmask 0x%x\n", + unprotected_port_mask); + + nb_ports = rte_eth_dev_count(); + if (nb_ports > RTE_MAX_ETHPORTS) + nb_ports = RTE_MAX_ETHPORTS; + + if (check_params() < 0) + rte_exit(EXIT_FAILURE, "check_params failed\n"); + + ret = init_lcore_rx_queues(); + if (ret < 0) + rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n"); + + nb_lcores = rte_lcore_count(); + + /* Replicate each contex per socket */ + for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { + if (rte_lcore_is_enabled(lcore_id) == 0) + continue; + + if (numa_on) + socket_id = (uint8_t)rte_lcore_to_socket_id(lcore_id); + else + socket_id = 0; + + if (socket_ctx[socket_id].mbuf_pool) + continue; + + sa_init(&socket_ctx[socket_id], socket_id, ep); + + sp_init(&socket_ctx[socket_id], socket_id, ep); + + rt_init(&socket_ctx[socket_id], socket_id, ep); + + pool_init(&socket_ctx[socket_id], socket_id, NB_MBUF); + } + + for (portid = 0; portid < nb_ports; portid++) { + if ((enabled_port_mask & (1 << portid)) == 0) + continue; + + port_init(portid); + } + + cryptodevs_init(); + + /* start ports */ + for (portid = 0; portid < nb_ports; portid++) { + if ((enabled_port_mask & (1 << portid)) == 0) + continue; + + /* Start device */ + ret = rte_eth_dev_start(portid); + if (ret < 0) + rte_exit(EXIT_FAILURE, "rte_eth_dev_start: " + "err=%d, port=%d\n", ret, portid); + /* + * If enabled, put device in promiscuous mode. + * This allows IO forwarding mode to forward packets + * to itself through 2 cross-connected ports of the + * target machine. + */ + if (promiscuous_on) + rte_eth_promiscuous_enable(portid); + } + + check_all_ports_link_status((uint8_t)nb_ports, enabled_port_mask); + + /* launch per-lcore init on every lcore */ + rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER); + RTE_LCORE_FOREACH_SLAVE(lcore_id) { + if (rte_eal_wait_lcore(lcore_id) < 0) + return -1; + } + + return 0; +} diff --git a/examples/ipsec-secgw/ipsec.c b/examples/ipsec-secgw/ipsec.c new file mode 100644 index 00000000..baf30d4b --- /dev/null +++ b/examples/ipsec-secgw/ipsec.c @@ -0,0 +1,203 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2016 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. + */ +#include <sys/types.h> +#include <netinet/in.h> +#include <netinet/ip.h> + +#include <rte_branch_prediction.h> +#include <rte_log.h> +#include <rte_crypto.h> +#include <rte_cryptodev.h> +#include <rte_mbuf.h> +#include <rte_hash.h> + +#include "ipsec.h" + +static inline int +create_session(struct ipsec_ctx *ipsec_ctx __rte_unused, struct ipsec_sa *sa) +{ + uint32_t cdev_id_qp = 0; + int32_t ret; + 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; + } + + 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, + ipsec_ctx->tbl[cdev_id_qp].qp); + + sa->crypto_session = rte_cryptodev_sym_session_create( + ipsec_ctx->tbl[cdev_id_qp].id, sa->xforms); + + sa->cdev_id_qp = cdev_id_qp; + + return 0; +} + +static inline void +enqueue_cop(struct cdev_qp *cqp, struct rte_crypto_op *cop) +{ + int 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) { + IPSEC_LOG(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; + } +} + +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) +{ + int 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; + + for (i = 0; i < nb_pkts; i++) { + rte_prefetch0(sas[i]); + rte_prefetch0(pkts[i]); + + priv = get_priv(pkts[i]); + 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]); + 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); + enqueue_cop(&ipsec_ctx->tbl[sa->cdev_id_qp], &priv->cop); + } + + nb_pkts = 0; + 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++]; + if (ipsec_ctx->last_qp == ipsec_ctx->nb_qps) + ipsec_ctx->last_qp %= ipsec_ctx->nb_qps; + + if (cqp->in_flight == 0) + continue; + + nb_cops = rte_cryptodev_dequeue_burst(cqp->id, cqp->qp, + cops, max_pkts - nb_pkts); + + cqp->in_flight -= nb_cops; + + for (j = 0; j < nb_cops; j++) { + pkt = cops[j]->sym->m_src; + rte_prefetch0(pkt); + + priv = get_priv(pkt); + sa = priv->sa; + + IPSEC_ASSERT(sa != NULL); + + ret = sa->post_crypto(pkt, sa, cops[j]); + if (unlikely(ret)) + rte_pktmbuf_free(pkt); + else + pkts[nb_pkts++] = pkt; + } + } + + /* return packets */ + return nb_pkts; +} + +uint16_t +ipsec_inbound(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[], + uint16_t nb_pkts, uint16_t len) +{ + struct ipsec_sa *sas[nb_pkts]; + + inbound_sa_lookup(ctx->sa_ctx, pkts, sas, nb_pkts); + + return ipsec_processing(ctx, pkts, sas, nb_pkts, len); +} + +uint16_t +ipsec_outbound(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[], + uint32_t sa_idx[], uint16_t nb_pkts, uint16_t len) +{ + struct ipsec_sa *sas[nb_pkts]; + + outbound_sa_lookup(ctx->sa_ctx, sa_idx, sas, nb_pkts); + + return ipsec_processing(ctx, pkts, sas, nb_pkts, len); +} diff --git a/examples/ipsec-secgw/ipsec.h b/examples/ipsec-secgw/ipsec.h new file mode 100644 index 00000000..a13fdef9 --- /dev/null +++ b/examples/ipsec-secgw/ipsec.h @@ -0,0 +1,190 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2016 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. + */ + +#ifndef __IPSEC_H__ +#define __IPSEC_H__ + +#include <stdint.h> + +#include <rte_byteorder.h> +#include <rte_ip.h> +#include <rte_crypto.h> + +#define RTE_LOGTYPE_IPSEC RTE_LOGTYPE_USER1 +#define RTE_LOGTYPE_IPSEC_ESP RTE_LOGTYPE_USER2 +#define RTE_LOGTYPE_IPSEC_IPIP RTE_LOGTYPE_USER3 + +#define MAX_PKT_BURST 32 +#define MAX_QP_PER_LCORE 256 + +#ifdef IPSEC_DEBUG +#define IPSEC_ASSERT(exp) \ +if (!(exp)) { \ + rte_panic("line%d\tassert \"" #exp "\" failed\n", __LINE__); \ +} + +#define IPSEC_LOG RTE_LOG +#else +#define IPSEC_ASSERT(exp) do {} while (0) +#define IPSEC_LOG(...) do {} while (0) +#endif /* IPSEC_DEBUG */ + +#define MAX_DIGEST_SIZE 32 /* Bytes -- 256 bits */ + +#define uint32_t_to_char(ip, a, b, c, d) do {\ + *a = (unsigned char)(ip >> 24 & 0xff);\ + *b = (unsigned char)(ip >> 16 & 0xff);\ + *c = (unsigned char)(ip >> 8 & 0xff);\ + *d = (unsigned char)(ip & 0xff);\ + } while (0) + +#define DEFAULT_MAX_CATEGORIES 1 + +#define IPSEC_SA_MAX_ENTRIES (64) /* must be power of 2, max 2 power 30 */ +#define SPI2IDX(spi) (spi & (IPSEC_SA_MAX_ENTRIES - 1)) +#define INVALID_SPI (0) + +#define DISCARD (0x80000000) +#define BYPASS (0x40000000) +#define PROTECT_MASK (0x3fffffff) +#define PROTECT(sa_idx) (SPI2IDX(sa_idx) & PROTECT_MASK) /* SA idx 30 bits */ + +#define IPSEC_XFORM_MAX 2 + +struct rte_crypto_xform; +struct ipsec_xform; +struct rte_cryptodev_session; +struct rte_mbuf; + +struct ipsec_sa; + +typedef int (*ipsec_xform_fn)(struct rte_mbuf *m, struct ipsec_sa *sa, + struct rte_crypto_op *cop); + +struct ipsec_sa { + uint32_t spi; + uint32_t cdev_id_qp; + uint32_t src; + uint32_t dst; + struct rte_cryptodev_sym_session *crypto_session; + struct rte_crypto_sym_xform *xforms; + ipsec_xform_fn pre_crypto; + ipsec_xform_fn post_crypto; + enum rte_crypto_cipher_algorithm cipher_algo; + enum rte_crypto_auth_algorithm auth_algo; + uint16_t digest_len; + uint16_t iv_len; + uint16_t block_size; + uint16_t flags; + uint32_t seq; +} __rte_cache_aligned; + +struct ipsec_mbuf_metadata { + struct ipsec_sa *sa; + struct rte_crypto_op cop; + struct rte_crypto_sym_op sym_cop; +}; + +struct cdev_qp { + uint16_t id; + uint16_t qp; + uint16_t in_flight; + uint16_t len; + struct rte_crypto_op *buf[MAX_PKT_BURST] __rte_aligned(sizeof(void *)); +}; + +struct ipsec_ctx { + struct rte_hash *cdev_map; + struct sp_ctx *sp_ctx; + struct sa_ctx *sa_ctx; + uint16_t nb_qps; + uint16_t last_qp; + struct cdev_qp tbl[MAX_QP_PER_LCORE]; +}; + +struct cdev_key { + uint16_t lcore_id; + uint8_t cipher_algo; + uint8_t auth_algo; +}; + +struct socket_ctx { + struct sa_ctx *sa_ipv4_in; + struct sa_ctx *sa_ipv4_out; + struct sp_ctx *sp_ipv4_in; + struct sp_ctx *sp_ipv4_out; + struct rt_ctx *rt_ipv4; + struct rte_mempool *mbuf_pool; +}; + +uint16_t +ipsec_inbound(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[], + uint16_t nb_pkts, uint16_t len); + +uint16_t +ipsec_outbound(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[], + uint32_t sa_idx[], uint16_t nb_pkts, uint16_t len); + +static inline uint16_t +ipsec_metadata_size(void) +{ + return sizeof(struct ipsec_mbuf_metadata); +} + +static inline struct ipsec_mbuf_metadata * +get_priv(struct rte_mbuf *m) +{ + return RTE_PTR_ADD(m, sizeof(struct rte_mbuf)); +} + +int +inbound_sa_check(struct sa_ctx *sa_ctx, struct rte_mbuf *m, uint32_t sa_idx); + +void +inbound_sa_lookup(struct sa_ctx *sa_ctx, struct rte_mbuf *pkts[], + struct ipsec_sa *sa[], uint16_t nb_pkts); + +void +outbound_sa_lookup(struct sa_ctx *sa_ctx, uint32_t sa_idx[], + struct ipsec_sa *sa[], uint16_t nb_pkts); + +void +sp_init(struct socket_ctx *ctx, int socket_id, unsigned ep); + +void +sa_init(struct socket_ctx *ctx, int socket_id, unsigned ep); + +void +rt_init(struct socket_ctx *ctx, int socket_id, unsigned ep); + +#endif /* __IPSEC_H__ */ diff --git a/examples/ipsec-secgw/rt.c b/examples/ipsec-secgw/rt.c new file mode 100644 index 00000000..a6d0866a --- /dev/null +++ b/examples/ipsec-secgw/rt.c @@ -0,0 +1,145 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2016 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. + */ + +/* + * Routing Table (RT) + */ +#include <sys/types.h> +#include <rte_lpm.h> +#include <rte_errno.h> + +#include "ipsec.h" + +#define RT_IPV4_MAX_RULES 64 + +struct ipv4_route { + uint32_t ip; + uint8_t depth; + uint8_t if_out; +}; + +/* In the default routing table we have: + * ep0 protected ports 0 and 1, and unprotected ports 2 and 3. + */ +static struct ipv4_route rt_ipv4_ep0[] = { + { IPv4(172, 16, 2, 5), 32, 0 }, + { IPv4(172, 16, 2, 6), 32, 0 }, + { IPv4(172, 16, 2, 7), 32, 1 }, + { IPv4(172, 16, 2, 8), 32, 1 }, + + { IPv4(192, 168, 115, 0), 24, 2 }, + { IPv4(192, 168, 116, 0), 24, 2 }, + { IPv4(192, 168, 117, 0), 24, 3 }, + { IPv4(192, 168, 118, 0), 24, 3 }, + + { IPv4(192, 168, 210, 0), 24, 2 }, + + { IPv4(192, 168, 240, 0), 24, 2 }, + { IPv4(192, 168, 250, 0), 24, 0 } +}; + +/* In the default routing table we have: + * ep1 protected ports 0 and 1, and unprotected ports 2 and 3. + */ +static struct ipv4_route rt_ipv4_ep1[] = { + { IPv4(172, 16, 1, 5), 32, 2 }, + { IPv4(172, 16, 1, 6), 32, 2 }, + { IPv4(172, 16, 1, 7), 32, 3 }, + { IPv4(172, 16, 1, 8), 32, 3 }, + + { IPv4(192, 168, 105, 0), 24, 0 }, + { IPv4(192, 168, 106, 0), 24, 0 }, + { IPv4(192, 168, 107, 0), 24, 1 }, + { IPv4(192, 168, 108, 0), 24, 1 }, + + { IPv4(192, 168, 200, 0), 24, 0 }, + + { IPv4(192, 168, 240, 0), 24, 2 }, + { IPv4(192, 168, 250, 0), 24, 0 } +}; + +void +rt_init(struct socket_ctx *ctx, int socket_id, unsigned ep) +{ + char name[PATH_MAX]; + unsigned i; + int ret; + struct rte_lpm *lpm; + struct ipv4_route *rt; + char a, b, c, d; + unsigned nb_routes; + struct rte_lpm_config conf = { 0 }; + + if (ctx == NULL) + rte_exit(EXIT_FAILURE, "NULL context.\n"); + + if (ctx->rt_ipv4 != NULL) + rte_exit(EXIT_FAILURE, "Routing Table for socket %u already " + "initialized\n", socket_id); + + printf("Creating Routing Table (RT) context with %u max routes\n", + RT_IPV4_MAX_RULES); + + if (ep == 0) { + rt = rt_ipv4_ep0; + nb_routes = RTE_DIM(rt_ipv4_ep0); + } else if (ep == 1) { + rt = rt_ipv4_ep1; + nb_routes = RTE_DIM(rt_ipv4_ep1); + } else + rte_exit(EXIT_FAILURE, "Invalid EP value %u. Only 0 or 1 " + "supported.\n", ep); + + /* create the LPM table */ + snprintf(name, sizeof(name), "%s_%u", "rt_ipv4", socket_id); + conf.max_rules = RT_IPV4_MAX_RULES; + conf.number_tbl8s = RTE_LPM_TBL8_NUM_ENTRIES; + lpm = rte_lpm_create(name, socket_id, &conf); + if (lpm == NULL) + rte_exit(EXIT_FAILURE, "Unable to create LPM table " + "on socket %d\n", socket_id); + + /* populate the LPM table */ + for (i = 0; i < nb_routes; i++) { + ret = rte_lpm_add(lpm, rt[i].ip, rt[i].depth, rt[i].if_out); + if (ret < 0) + rte_exit(EXIT_FAILURE, "Unable to add entry num %u to " + "LPM table on socket %d\n", i, socket_id); + + uint32_t_to_char(rt[i].ip, &a, &b, &c, &d); + printf("LPM: Adding route %hhu.%hhu.%hhu.%hhu/%hhu (%hhu)\n", + a, b, c, d, rt[i].depth, rt[i].if_out); + } + + ctx->rt_ipv4 = (struct rt_ctx *)lpm; +} diff --git a/examples/ipsec-secgw/sa.c b/examples/ipsec-secgw/sa.c new file mode 100644 index 00000000..b6260ede --- /dev/null +++ b/examples/ipsec-secgw/sa.c @@ -0,0 +1,446 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2016 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. + */ + +/* + * Security Associations + */ +#include <sys/types.h> +#include <netinet/in.h> +#include <netinet/ip.h> + +#include <rte_memzone.h> +#include <rte_crypto.h> +#include <rte_cryptodev.h> +#include <rte_byteorder.h> +#include <rte_errno.h> + +#include "ipsec.h" +#include "esp.h" + +/* SAs EP0 Outbound */ +const struct ipsec_sa sa_ep0_out[] = { + { 5, 0, IPv4(172, 16, 1, 5), IPv4(172, 16, 2, 5), + NULL, NULL, + esp4_tunnel_outbound_pre_crypto, + esp4_tunnel_outbound_post_crypto, + RTE_CRYPTO_CIPHER_AES_CBC, RTE_CRYPTO_AUTH_SHA1_HMAC, + 12, 16, 16, + 0, 0 }, + { 6, 0, IPv4(172, 16, 1, 6), IPv4(172, 16, 2, 6), + NULL, NULL, + esp4_tunnel_outbound_pre_crypto, + esp4_tunnel_outbound_post_crypto, + RTE_CRYPTO_CIPHER_AES_CBC, RTE_CRYPTO_AUTH_SHA1_HMAC, + 12, 16, 16, + 0, 0 }, + { 7, 0, IPv4(172, 16, 1, 7), IPv4(172, 16, 2, 7), + NULL, NULL, + esp4_tunnel_outbound_pre_crypto, + esp4_tunnel_outbound_post_crypto, + RTE_CRYPTO_CIPHER_AES_CBC, RTE_CRYPTO_AUTH_SHA1_HMAC, + 12, 16, 16, + 0, 0 }, + { 8, 0, IPv4(172, 16, 1, 8), IPv4(172, 16, 2, 8), + NULL, NULL, + esp4_tunnel_outbound_pre_crypto, + esp4_tunnel_outbound_post_crypto, + RTE_CRYPTO_CIPHER_AES_CBC, RTE_CRYPTO_AUTH_SHA1_HMAC, + 12, 16, 16, + 0, 0 }, + { 9, 0, IPv4(172, 16, 1, 5), IPv4(172, 16, 2, 5), + NULL, NULL, + esp4_tunnel_outbound_pre_crypto, + esp4_tunnel_outbound_post_crypto, + RTE_CRYPTO_CIPHER_NULL, RTE_CRYPTO_AUTH_NULL, + 0, 0, 4, + 0, 0 }, +}; + +/* SAs EP0 Inbound */ +const struct ipsec_sa sa_ep0_in[] = { + { 5, 0, IPv4(172, 16, 2, 5), IPv4(172, 16, 1, 5), + NULL, NULL, + esp4_tunnel_inbound_pre_crypto, + esp4_tunnel_inbound_post_crypto, + RTE_CRYPTO_CIPHER_AES_CBC, RTE_CRYPTO_AUTH_SHA1_HMAC, + 12, 16, 16, + 0, 0 }, + { 6, 0, IPv4(172, 16, 2, 6), IPv4(172, 16, 1, 6), + NULL, NULL, + esp4_tunnel_inbound_pre_crypto, + esp4_tunnel_inbound_post_crypto, + RTE_CRYPTO_CIPHER_AES_CBC, RTE_CRYPTO_AUTH_SHA1_HMAC, + 12, 16, 16, + 0, 0 }, + { 7, 0, IPv4(172, 16, 2, 7), IPv4(172, 16, 1, 7), + NULL, NULL, + esp4_tunnel_inbound_pre_crypto, + esp4_tunnel_inbound_post_crypto, + RTE_CRYPTO_CIPHER_AES_CBC, RTE_CRYPTO_AUTH_SHA1_HMAC, + 12, 16, 16, + 0, 0 }, + { 8, 0, IPv4(172, 16, 2, 8), IPv4(172, 16, 1, 8), + NULL, NULL, + esp4_tunnel_inbound_pre_crypto, + esp4_tunnel_inbound_post_crypto, + RTE_CRYPTO_CIPHER_AES_CBC, RTE_CRYPTO_AUTH_SHA1_HMAC, + 12, 16, 16, + 0, 0 }, + { 9, 0, IPv4(172, 16, 2, 5), IPv4(172, 16, 1, 5), + NULL, NULL, + esp4_tunnel_inbound_pre_crypto, + esp4_tunnel_inbound_post_crypto, + RTE_CRYPTO_CIPHER_NULL, RTE_CRYPTO_AUTH_NULL, + 0, 0, 4, + 0, 0 }, +}; + +/* SAs EP1 Outbound */ +const struct ipsec_sa sa_ep1_out[] = { + { 5, 0, IPv4(172, 16, 2, 5), IPv4(172, 16, 1, 5), + NULL, NULL, + esp4_tunnel_outbound_pre_crypto, + esp4_tunnel_outbound_post_crypto, + RTE_CRYPTO_CIPHER_AES_CBC, RTE_CRYPTO_AUTH_SHA1_HMAC, + 12, 16, 16, + 0, 0 }, + { 6, 0, IPv4(172, 16, 2, 6), IPv4(172, 16, 1, 6), + NULL, NULL, + esp4_tunnel_outbound_pre_crypto, + esp4_tunnel_outbound_post_crypto, + RTE_CRYPTO_CIPHER_AES_CBC, RTE_CRYPTO_AUTH_SHA1_HMAC, + 12, 16, 16, + 0, 0 }, + { 7, 0, IPv4(172, 16, 2, 7), IPv4(172, 16, 1, 7), + NULL, NULL, + esp4_tunnel_outbound_pre_crypto, + esp4_tunnel_outbound_post_crypto, + RTE_CRYPTO_CIPHER_AES_CBC, RTE_CRYPTO_AUTH_SHA1_HMAC, + 12, 16, 16, + 0, 0 }, + { 8, 0, IPv4(172, 16, 2, 8), IPv4(172, 16, 1, 8), + NULL, NULL, + esp4_tunnel_outbound_pre_crypto, + esp4_tunnel_outbound_post_crypto, + RTE_CRYPTO_CIPHER_AES_CBC, RTE_CRYPTO_AUTH_SHA1_HMAC, + 12, 16, 16, + 0, 0 }, + { 9, 0, IPv4(172, 16, 2, 5), IPv4(172, 16, 1, 5), + NULL, NULL, + esp4_tunnel_outbound_pre_crypto, + esp4_tunnel_outbound_post_crypto, + RTE_CRYPTO_CIPHER_NULL, RTE_CRYPTO_AUTH_NULL, + 0, 0, 4, + 0, 0 }, +}; + +/* SAs EP1 Inbound */ +const struct ipsec_sa sa_ep1_in[] = { + { 5, 0, IPv4(172, 16, 1, 5), IPv4(172, 16, 2, 5), + NULL, NULL, + esp4_tunnel_inbound_pre_crypto, + esp4_tunnel_inbound_post_crypto, + RTE_CRYPTO_CIPHER_AES_CBC, RTE_CRYPTO_AUTH_SHA1_HMAC, + 12, 16, 16, + 0, 0 }, + { 6, 0, IPv4(172, 16, 1, 6), IPv4(172, 16, 2, 6), + NULL, NULL, + esp4_tunnel_inbound_pre_crypto, + esp4_tunnel_inbound_post_crypto, + RTE_CRYPTO_CIPHER_AES_CBC, RTE_CRYPTO_AUTH_SHA1_HMAC, + 12, 16, 16, + 0, 0 }, + { 7, 0, IPv4(172, 16, 1, 7), IPv4(172, 16, 2, 7), + NULL, NULL, + esp4_tunnel_inbound_pre_crypto, + esp4_tunnel_inbound_post_crypto, + RTE_CRYPTO_CIPHER_AES_CBC, RTE_CRYPTO_AUTH_SHA1_HMAC, + 12, 16, 16, + 0, 0 }, + { 8, 0, IPv4(172, 16, 1, 8), IPv4(172, 16, 2, 8), + NULL, NULL, + esp4_tunnel_inbound_pre_crypto, + esp4_tunnel_inbound_post_crypto, + RTE_CRYPTO_CIPHER_AES_CBC, RTE_CRYPTO_AUTH_SHA1_HMAC, + 12, 16, 16, + 0, 0 }, + { 9, 0, IPv4(172, 16, 1, 5), IPv4(172, 16, 2, 5), + NULL, NULL, + esp4_tunnel_inbound_pre_crypto, + esp4_tunnel_inbound_post_crypto, + RTE_CRYPTO_CIPHER_NULL, RTE_CRYPTO_AUTH_NULL, + 0, 0, 4, + 0, 0 }, +}; + +static uint8_t cipher_key[256] = "sixteenbytes key"; + +/* AES CBC xform */ +const struct rte_crypto_sym_xform aescbc_enc_xf = { + NULL, + RTE_CRYPTO_SYM_XFORM_CIPHER, + {.cipher = { RTE_CRYPTO_CIPHER_OP_ENCRYPT, RTE_CRYPTO_CIPHER_AES_CBC, + .key = { cipher_key, 16 } } + } +}; + +const struct rte_crypto_sym_xform aescbc_dec_xf = { + NULL, + RTE_CRYPTO_SYM_XFORM_CIPHER, + {.cipher = { RTE_CRYPTO_CIPHER_OP_DECRYPT, RTE_CRYPTO_CIPHER_AES_CBC, + .key = { cipher_key, 16 } } + } +}; + +static uint8_t auth_key[256] = "twentybytes hash key"; + +/* SHA1 HMAC xform */ +const struct rte_crypto_sym_xform sha1hmac_gen_xf = { + NULL, + RTE_CRYPTO_SYM_XFORM_AUTH, + {.auth = { RTE_CRYPTO_AUTH_OP_GENERATE, RTE_CRYPTO_AUTH_SHA1_HMAC, + .key = { auth_key, 20 }, 12, 0 } + } +}; + +const struct rte_crypto_sym_xform sha1hmac_verify_xf = { + NULL, + RTE_CRYPTO_SYM_XFORM_AUTH, + {.auth = { RTE_CRYPTO_AUTH_OP_VERIFY, RTE_CRYPTO_AUTH_SHA1_HMAC, + .key = { auth_key, 20 }, 12, 0 } + } +}; + +/* AES CBC xform */ +const struct rte_crypto_sym_xform null_cipher_xf = { + NULL, + RTE_CRYPTO_SYM_XFORM_CIPHER, + {.cipher = { .algo = RTE_CRYPTO_CIPHER_NULL } + } +}; + +const struct rte_crypto_sym_xform null_auth_xf = { + NULL, + RTE_CRYPTO_SYM_XFORM_AUTH, + {.auth = { .algo = RTE_CRYPTO_AUTH_NULL } + } +}; + +struct sa_ctx { + struct ipsec_sa sa[IPSEC_SA_MAX_ENTRIES]; + struct { + struct rte_crypto_sym_xform a; + struct rte_crypto_sym_xform b; + } xf[IPSEC_SA_MAX_ENTRIES]; +}; + +static struct sa_ctx * +sa_ipv4_create(const char *name, int socket_id) +{ + char s[PATH_MAX]; + struct sa_ctx *sa_ctx; + unsigned mz_size; + const struct rte_memzone *mz; + + snprintf(s, sizeof(s), "%s_%u", name, socket_id); + + /* Create SA array table */ + printf("Creating SA context with %u maximum entries\n", + IPSEC_SA_MAX_ENTRIES); + + mz_size = sizeof(struct sa_ctx); + mz = rte_memzone_reserve(s, mz_size, socket_id, + RTE_MEMZONE_1GB | RTE_MEMZONE_SIZE_HINT_ONLY); + if (mz == NULL) { + printf("Failed to allocate SA DB memory\n"); + rte_errno = -ENOMEM; + return NULL; + } + + sa_ctx = (struct sa_ctx *)mz->addr; + + return sa_ctx; +} + +static int +sa_add_rules(struct sa_ctx *sa_ctx, const struct ipsec_sa entries[], + unsigned nb_entries, unsigned inbound) +{ + struct ipsec_sa *sa; + unsigned i, idx; + + for (i = 0; i < nb_entries; i++) { + idx = SPI2IDX(entries[i].spi); + sa = &sa_ctx->sa[idx]; + if (sa->spi != 0) { + printf("Index %u already in use by SPI %u\n", + idx, sa->spi); + return -EINVAL; + } + *sa = entries[i]; + sa->src = rte_cpu_to_be_32(sa->src); + sa->dst = rte_cpu_to_be_32(sa->dst); + if (inbound) { + if (sa->cipher_algo == RTE_CRYPTO_CIPHER_NULL) { + sa_ctx->xf[idx].a = null_auth_xf; + sa_ctx->xf[idx].b = null_cipher_xf; + } else { + sa_ctx->xf[idx].a = sha1hmac_verify_xf; + sa_ctx->xf[idx].b = aescbc_dec_xf; + } + } else { /* outbound */ + if (sa->cipher_algo == RTE_CRYPTO_CIPHER_NULL) { + sa_ctx->xf[idx].a = null_cipher_xf; + sa_ctx->xf[idx].b = null_auth_xf; + } else { + sa_ctx->xf[idx].a = aescbc_enc_xf; + sa_ctx->xf[idx].b = sha1hmac_gen_xf; + } + } + sa_ctx->xf[idx].a.next = &sa_ctx->xf[idx].b; + sa_ctx->xf[idx].b.next = NULL; + sa->xforms = &sa_ctx->xf[idx].a; + } + + return 0; +} + +static inline int +sa_out_add_rules(struct sa_ctx *sa_ctx, const struct ipsec_sa entries[], + unsigned nb_entries) +{ + return sa_add_rules(sa_ctx, entries, nb_entries, 0); +} + +static inline int +sa_in_add_rules(struct sa_ctx *sa_ctx, const struct ipsec_sa entries[], + unsigned nb_entries) +{ + return sa_add_rules(sa_ctx, entries, nb_entries, 1); +} + +void +sa_init(struct socket_ctx *ctx, int socket_id, unsigned ep) +{ + const struct ipsec_sa *sa_out_entries, *sa_in_entries; + unsigned nb_out_entries, nb_in_entries; + const char *name; + + if (ctx == NULL) + rte_exit(EXIT_FAILURE, "NULL context.\n"); + + if (ctx->sa_ipv4_in != NULL) + rte_exit(EXIT_FAILURE, "Inbound SA DB for socket %u already " + "initialized\n", socket_id); + + if (ctx->sa_ipv4_out != NULL) + rte_exit(EXIT_FAILURE, "Outbound SA DB for socket %u already " + "initialized\n", socket_id); + + if (ep == 0) { + sa_out_entries = sa_ep0_out; + nb_out_entries = RTE_DIM(sa_ep0_out); + sa_in_entries = sa_ep0_in; + nb_in_entries = RTE_DIM(sa_ep0_in); + } else if (ep == 1) { + sa_out_entries = sa_ep1_out; + nb_out_entries = RTE_DIM(sa_ep1_out); + sa_in_entries = sa_ep1_in; + nb_in_entries = RTE_DIM(sa_ep1_in); + } else + rte_exit(EXIT_FAILURE, "Invalid EP value %u. " + "Only 0 or 1 supported.\n", ep); + + name = "sa_ipv4_in"; + ctx->sa_ipv4_in = sa_ipv4_create(name, socket_id); + if (ctx->sa_ipv4_in == NULL) + rte_exit(EXIT_FAILURE, "Error [%d] creating SA context %s " + "in socket %d\n", rte_errno, name, socket_id); + + name = "sa_ipv4_out"; + ctx->sa_ipv4_out = sa_ipv4_create(name, socket_id); + if (ctx->sa_ipv4_out == NULL) + rte_exit(EXIT_FAILURE, "Error [%d] creating SA context %s " + "in socket %d\n", rte_errno, name, socket_id); + + sa_in_add_rules(ctx->sa_ipv4_in, sa_in_entries, nb_in_entries); + + sa_out_add_rules(ctx->sa_ipv4_out, sa_out_entries, nb_out_entries); +} + +int +inbound_sa_check(struct sa_ctx *sa_ctx, struct rte_mbuf *m, uint32_t sa_idx) +{ + struct ipsec_mbuf_metadata *priv; + + priv = RTE_PTR_ADD(m, sizeof(struct rte_mbuf)); + + return (sa_ctx->sa[sa_idx].spi == priv->sa->spi); +} + +void +inbound_sa_lookup(struct sa_ctx *sa_ctx, struct rte_mbuf *pkts[], + struct ipsec_sa *sa[], uint16_t nb_pkts) +{ + unsigned i; + uint32_t *src, spi; + + for (i = 0; i < nb_pkts; i++) { + spi = rte_pktmbuf_mtod_offset(pkts[i], struct esp_hdr *, + sizeof(struct ip))->spi; + + if (spi == INVALID_SPI) + continue; + + sa[i] = &sa_ctx->sa[SPI2IDX(spi)]; + if (spi != sa[i]->spi) { + sa[i] = NULL; + continue; + } + + src = rte_pktmbuf_mtod_offset(pkts[i], uint32_t *, + offsetof(struct ip, ip_src)); + if ((sa[i]->src != *src) || (sa[i]->dst != *(src + 1))) + sa[i] = NULL; + } +} + +void +outbound_sa_lookup(struct sa_ctx *sa_ctx, uint32_t sa_idx[], + struct ipsec_sa *sa[], uint16_t nb_pkts) +{ + unsigned i; + + for (i = 0; i < nb_pkts; i++) + sa[i] = &sa_ctx->sa[sa_idx[i]]; +} diff --git a/examples/ipsec-secgw/sp.c b/examples/ipsec-secgw/sp.c new file mode 100644 index 00000000..4f167301 --- /dev/null +++ b/examples/ipsec-secgw/sp.c @@ -0,0 +1,366 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2016 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. + */ + +/* + * Security Policies + */ +#include <sys/types.h> +#include <netinet/in.h> +#include <netinet/ip.h> + +#include <rte_acl.h> + +#include "ipsec.h" + +#define MAX_ACL_RULE_NUM 1000 + +/* + * Rule and trace formats definitions. + */ +enum { + PROTO_FIELD_IPV4, + SRC_FIELD_IPV4, + DST_FIELD_IPV4, + SRCP_FIELD_IPV4, + DSTP_FIELD_IPV4, + NUM_FIELDS_IPV4 +}; + +/* + * That effectively defines order of IPV4 classifications: + * - PROTO + * - SRC IP ADDRESS + * - DST IP ADDRESS + * - PORTS (SRC and DST) + */ +enum { + RTE_ACL_IPV4_PROTO, + RTE_ACL_IPV4_SRC, + RTE_ACL_IPV4_DST, + RTE_ACL_IPV4_PORTS, + RTE_ACL_IPV4_NUM +}; + +struct rte_acl_field_def ipv4_defs[NUM_FIELDS_IPV4] = { + { + .type = RTE_ACL_FIELD_TYPE_BITMASK, + .size = sizeof(uint8_t), + .field_index = PROTO_FIELD_IPV4, + .input_index = RTE_ACL_IPV4_PROTO, + .offset = 0, + }, + { + .type = RTE_ACL_FIELD_TYPE_MASK, + .size = sizeof(uint32_t), + .field_index = SRC_FIELD_IPV4, + .input_index = RTE_ACL_IPV4_SRC, + .offset = offsetof(struct ip, ip_src) - offsetof(struct ip, ip_p) + }, + { + .type = RTE_ACL_FIELD_TYPE_MASK, + .size = sizeof(uint32_t), + .field_index = DST_FIELD_IPV4, + .input_index = RTE_ACL_IPV4_DST, + .offset = offsetof(struct ip, ip_dst) - offsetof(struct ip, ip_p) + }, + { + .type = RTE_ACL_FIELD_TYPE_RANGE, + .size = sizeof(uint16_t), + .field_index = SRCP_FIELD_IPV4, + .input_index = RTE_ACL_IPV4_PORTS, + .offset = sizeof(struct ip) - offsetof(struct ip, ip_p) + }, + { + .type = RTE_ACL_FIELD_TYPE_RANGE, + .size = sizeof(uint16_t), + .field_index = DSTP_FIELD_IPV4, + .input_index = RTE_ACL_IPV4_PORTS, + .offset = sizeof(struct ip) - offsetof(struct ip, ip_p) + + sizeof(uint16_t) + }, +}; + +RTE_ACL_RULE_DEF(acl4_rules, RTE_DIM(ipv4_defs)); + +const struct acl4_rules acl4_rules_in[] = { + { + .data = {.userdata = PROTECT(5), .category_mask = 1, .priority = 1}, + /* destination IPv4 */ + .field[2] = {.value.u32 = IPv4(192, 168, 105, 0), + .mask_range.u32 = 24,}, + /* source port */ + .field[3] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}, + /* destination port */ + .field[4] = {.value.u16 = 0, .mask_range.u16 = 0xffff,} + }, + { + .data = {.userdata = PROTECT(6), .category_mask = 1, .priority = 2}, + /* destination IPv4 */ + .field[2] = {.value.u32 = IPv4(192, 168, 106, 0), + .mask_range.u32 = 24,}, + /* source port */ + .field[3] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}, + /* destination port */ + .field[4] = {.value.u16 = 0, .mask_range.u16 = 0xffff,} + }, + { + .data = {.userdata = PROTECT(7), .category_mask = 1, .priority = 3}, + /* destination IPv4 */ + .field[2] = {.value.u32 = IPv4(192, 168, 107, 0), + .mask_range.u32 = 24,}, + /* source port */ + .field[3] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}, + /* destination port */ + .field[4] = {.value.u16 = 0, .mask_range.u16 = 0xffff,} + }, + { + .data = {.userdata = PROTECT(8), .category_mask = 1, .priority = 4}, + /* destination IPv4 */ + .field[2] = {.value.u32 = IPv4(192, 168, 108, 0), + .mask_range.u32 = 24,}, + /* source port */ + .field[3] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}, + /* destination port */ + .field[4] = {.value.u16 = 0, .mask_range.u16 = 0xffff,} + }, + { + .data = {.userdata = PROTECT(9), .category_mask = 1, .priority = 5}, + /* destination IPv4 */ + .field[2] = {.value.u32 = IPv4(192, 168, 200, 0), + .mask_range.u32 = 24,}, + /* source port */ + .field[3] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}, + /* destination port */ + .field[4] = {.value.u16 = 0, .mask_range.u16 = 0xffff,} + }, + { + .data = {.userdata = BYPASS, .category_mask = 1, .priority = 6}, + /* destination IPv4 */ + .field[2] = {.value.u32 = IPv4(192, 168, 250, 0), + .mask_range.u32 = 24,}, + /* source port */ + .field[3] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}, + /* destination port */ + .field[4] = {.value.u16 = 0, .mask_range.u16 = 0xffff,} + } +}; + +const struct acl4_rules acl4_rules_out[] = { + { + .data = {.userdata = PROTECT(5), .category_mask = 1, .priority = 1}, + /* destination IPv4 */ + .field[2] = {.value.u32 = IPv4(192, 168, 115, 0), + .mask_range.u32 = 24,}, + /* source port */ + .field[3] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}, + /* destination port */ + .field[4] = {.value.u16 = 0, .mask_range.u16 = 0xffff,} + }, + { + .data = {.userdata = PROTECT(6), .category_mask = 1, .priority = 2}, + /* destination IPv4 */ + .field[2] = {.value.u32 = IPv4(192, 168, 116, 0), + .mask_range.u32 = 24,}, + /* source port */ + .field[3] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}, + /* destination port */ + .field[4] = {.value.u16 = 0, .mask_range.u16 = 0xffff,} + }, + { + .data = {.userdata = PROTECT(7), .category_mask = 1, .priority = 3}, + /* destination IPv4 */ + .field[2] = {.value.u32 = IPv4(192, 168, 117, 0), + .mask_range.u32 = 24,}, + /* source port */ + .field[3] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}, + /* destination port */ + .field[4] = {.value.u16 = 0, .mask_range.u16 = 0xffff,} + }, + { + .data = {.userdata = PROTECT(8), .category_mask = 1, .priority = 4}, + /* destination IPv4 */ + .field[2] = {.value.u32 = IPv4(192, 168, 118, 0), + .mask_range.u32 = 24,}, + /* source port */ + .field[3] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}, + /* destination port */ + .field[4] = {.value.u16 = 0, .mask_range.u16 = 0xffff,} + }, + { + .data = {.userdata = PROTECT(9), .category_mask = 1, .priority = 5}, + /* destination IPv4 */ + .field[2] = {.value.u32 = IPv4(192, 168, 210, 0), + .mask_range.u32 = 24,}, + /* source port */ + .field[3] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}, + /* destination port */ + .field[4] = {.value.u16 = 0, .mask_range.u16 = 0xffff,} + }, + { + .data = {.userdata = BYPASS, .category_mask = 1, .priority = 6}, + /* destination IPv4 */ + .field[2] = {.value.u32 = IPv4(192, 168, 240, 0), + .mask_range.u32 = 24,}, + /* source port */ + .field[3] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}, + /* destination port */ + .field[4] = {.value.u16 = 0, .mask_range.u16 = 0xffff,} + } +}; + +static void +print_one_ipv4_rule(const struct acl4_rules *rule, int extra) +{ + unsigned char a, b, c, d; + + uint32_t_to_char(rule->field[SRC_FIELD_IPV4].value.u32, + &a, &b, &c, &d); + printf("%hhu.%hhu.%hhu.%hhu/%u ", a, b, c, d, + rule->field[SRC_FIELD_IPV4].mask_range.u32); + uint32_t_to_char(rule->field[DST_FIELD_IPV4].value.u32, + &a, &b, &c, &d); + printf("%hhu.%hhu.%hhu.%hhu/%u ", a, b, c, d, + rule->field[DST_FIELD_IPV4].mask_range.u32); + printf("%hu : %hu %hu : %hu 0x%hhx/0x%hhx ", + rule->field[SRCP_FIELD_IPV4].value.u16, + rule->field[SRCP_FIELD_IPV4].mask_range.u16, + rule->field[DSTP_FIELD_IPV4].value.u16, + rule->field[DSTP_FIELD_IPV4].mask_range.u16, + rule->field[PROTO_FIELD_IPV4].value.u8, + rule->field[PROTO_FIELD_IPV4].mask_range.u8); + if (extra) + printf("0x%x-0x%x-0x%x ", + rule->data.category_mask, + rule->data.priority, + rule->data.userdata); +} + +static inline void +dump_ipv4_rules(const struct acl4_rules *rule, int num, int extra) +{ + int i; + + for (i = 0; i < num; i++, rule++) { + printf("\t%d:", i + 1); + print_one_ipv4_rule(rule, extra); + printf("\n"); + } +} + +static struct rte_acl_ctx * +acl4_init(const char *name, int socketid, const struct acl4_rules *rules, + unsigned rules_nb) +{ + char s[PATH_MAX]; + struct rte_acl_param acl_param; + struct rte_acl_config acl_build_param; + struct rte_acl_ctx *ctx; + + printf("Creating SP context with %u max rules\n", MAX_ACL_RULE_NUM); + + memset(&acl_param, 0, sizeof(acl_param)); + + /* Create ACL contexts */ + snprintf(s, sizeof(s), "%s_%d", name, socketid); + + printf("IPv4 %s entries [%u]:\n", s, rules_nb); + dump_ipv4_rules(rules, rules_nb, 1); + + acl_param.name = s; + acl_param.socket_id = socketid; + acl_param.rule_size = RTE_ACL_RULE_SZ(RTE_DIM(ipv4_defs)); + acl_param.max_rule_num = MAX_ACL_RULE_NUM; + + ctx = rte_acl_create(&acl_param); + if (ctx == NULL) + rte_exit(EXIT_FAILURE, "Failed to create ACL context\n"); + + if (rte_acl_add_rules(ctx, (const struct rte_acl_rule *)rules, + rules_nb) < 0) + rte_exit(EXIT_FAILURE, "add rules failed\n"); + + /* Perform builds */ + memset(&acl_build_param, 0, sizeof(acl_build_param)); + + acl_build_param.num_categories = DEFAULT_MAX_CATEGORIES; + acl_build_param.num_fields = RTE_DIM(ipv4_defs); + memcpy(&acl_build_param.defs, ipv4_defs, sizeof(ipv4_defs)); + + if (rte_acl_build(ctx, &acl_build_param) != 0) + rte_exit(EXIT_FAILURE, "Failed to build ACL trie\n"); + + rte_acl_dump(ctx); + + return ctx; +} + +void +sp_init(struct socket_ctx *ctx, int socket_id, unsigned ep) +{ + const char *name; + const struct acl4_rules *rules_out, *rules_in; + unsigned nb_out_rules, nb_in_rules; + + if (ctx == NULL) + rte_exit(EXIT_FAILURE, "NULL context.\n"); + + if (ctx->sp_ipv4_in != NULL) + rte_exit(EXIT_FAILURE, "Inbound SP DB for socket %u already " + "initialized\n", socket_id); + + if (ctx->sp_ipv4_out != NULL) + rte_exit(EXIT_FAILURE, "Outbound SP DB for socket %u already " + "initialized\n", socket_id); + + if (ep == 0) { + rules_out = acl4_rules_in; + nb_out_rules = RTE_DIM(acl4_rules_in); + rules_in = acl4_rules_out; + nb_in_rules = RTE_DIM(acl4_rules_out); + } else if (ep == 1) { + rules_out = acl4_rules_out; + nb_out_rules = RTE_DIM(acl4_rules_out); + rules_in = acl4_rules_in; + nb_in_rules = RTE_DIM(acl4_rules_in); + } else + rte_exit(EXIT_FAILURE, "Invalid EP value %u. " + "Only 0 or 1 supported.\n", ep); + + name = "sp_ipv4_in"; + ctx->sp_ipv4_in = (struct sp_ctx *)acl4_init(name, socket_id, + rules_in, nb_in_rules); + + name = "sp_ipv4_out"; + ctx->sp_ipv4_out = (struct sp_ctx *)acl4_init(name, socket_id, + rules_out, nb_out_rules); +} |