-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2016 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.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2016 Intel Corporation
*/
#include <stdio.h>
#include <errno.h>
#include <getopt.h>
#include <stdbool.h>
+#include <netinet/in.h>
#include <rte_debug.h>
#include <rte_ether.h>
#include <rte_ethdev.h>
-#include <rte_ring.h>
#include <rte_mempool.h>
#include <rte_cycles.h>
#include <rte_mbuf.h>
#include "l3fwd.h"
-#ifdef RTE_MACHINE_CPUFLAG_SSE4_2
+#if defined(RTE_ARCH_X86) || defined(RTE_MACHINE_CPUFLAG_CRC32)
+#define EM_HASH_CRC 1
+#endif
+
+#ifdef EM_HASH_CRC
#include <rte_hash_crc.h>
#define DEFAULT_HASH_FUNC rte_hash_crc
#else
#include <rte_jhash.h>
#define DEFAULT_HASH_FUNC rte_jhash
-#endif /* RTE_MACHINE_CPUFLAG_SSE4_2 */
+#endif
#define IPV6_ADDR_LEN 16
t = k->proto;
p = (const uint32_t *)&k->port_src;
-#ifdef RTE_MACHINE_CPUFLAG_SSE4_2
+#ifdef EM_HASH_CRC
init_val = rte_hash_crc_4byte(t, init_val);
init_val = rte_hash_crc_4byte(k->ip_src, init_val);
init_val = rte_hash_crc_4byte(k->ip_dst, init_val);
init_val = rte_hash_crc_4byte(*p, init_val);
-#else /* RTE_MACHINE_CPUFLAG_SSE4_2 */
+#else
init_val = rte_jhash_1word(t, init_val);
init_val = rte_jhash_1word(k->ip_src, init_val);
init_val = rte_jhash_1word(k->ip_dst, init_val);
init_val = rte_jhash_1word(*p, init_val);
-#endif /* RTE_MACHINE_CPUFLAG_SSE4_2 */
+#endif
return init_val;
}
const union ipv6_5tuple_host *k;
uint32_t t;
const uint32_t *p;
-#ifdef RTE_MACHINE_CPUFLAG_SSE4_2
+#ifdef EM_HASH_CRC
const uint32_t *ip_src0, *ip_src1, *ip_src2, *ip_src3;
const uint32_t *ip_dst0, *ip_dst1, *ip_dst2, *ip_dst3;
-#endif /* RTE_MACHINE_CPUFLAG_SSE4_2 */
+#endif
k = data;
t = k->proto;
p = (const uint32_t *)&k->port_src;
-#ifdef RTE_MACHINE_CPUFLAG_SSE4_2
+#ifdef EM_HASH_CRC
ip_src0 = (const uint32_t *) k->ip_src;
ip_src1 = (const uint32_t *)(k->ip_src+4);
ip_src2 = (const uint32_t *)(k->ip_src+8);
init_val = rte_hash_crc_4byte(*ip_dst2, init_val);
init_val = rte_hash_crc_4byte(*ip_dst3, init_val);
init_val = rte_hash_crc_4byte(*p, init_val);
-#else /* RTE_MACHINE_CPUFLAG_SSE4_2 */
+#else
init_val = rte_jhash_1word(t, init_val);
init_val = rte_jhash(k->ip_src,
sizeof(uint8_t) * IPV6_ADDR_LEN, init_val);
init_val = rte_jhash(k->ip_dst,
sizeof(uint8_t) * IPV6_ADDR_LEN, init_val);
init_val = rte_jhash_1word(*p, init_val);
-#endif /* RTE_MACHINE_CPUFLAG_SSE4_2 */
+#endif
return init_val;
}
static rte_xmm_t mask1;
static rte_xmm_t mask2;
-#if defined(__SSE2__)
+#if defined(RTE_MACHINE_CPUFLAG_SSE2)
static inline xmm_t
em_mask_key(void *key, xmm_t mask)
{
return _mm_and_si128(data, mask);
}
-#elif defined(__ARM_NEON)
+#elif defined(RTE_MACHINE_CPUFLAG_NEON)
static inline xmm_t
em_mask_key(void *key, xmm_t mask)
{
return vandq_s32(data, mask);
}
+#elif defined(RTE_MACHINE_CPUFLAG_ALTIVEC)
+static inline xmm_t
+em_mask_key(void *key, xmm_t mask)
+{
+ xmm_t data = vec_ld(0, (xmm_t *)(key));
+
+ return vec_and(data, mask);
+}
+#else
+#error No vector engine (SSE, NEON, ALTIVEC) available, check your toolchain
#endif
-static inline uint8_t
-em_get_ipv4_dst_port(void *ipv4_hdr, uint8_t portid, void *lookup_struct)
+static inline uint16_t
+em_get_ipv4_dst_port(void *ipv4_hdr, uint16_t portid, void *lookup_struct)
{
int ret = 0;
union ipv4_5tuple_host key;
/* Find destination port */
ret = rte_hash_lookup(ipv4_l3fwd_lookup_struct, (const void *)&key);
- return (uint8_t)((ret < 0) ? portid : ipv4_l3fwd_out_if[ret]);
+ return (ret < 0) ? portid : ipv4_l3fwd_out_if[ret];
}
-static inline uint8_t
-em_get_ipv6_dst_port(void *ipv6_hdr, uint8_t portid, void *lookup_struct)
+static inline uint16_t
+em_get_ipv6_dst_port(void *ipv6_hdr, uint16_t portid, void *lookup_struct)
{
int ret = 0;
union ipv6_5tuple_host key;
/* Find destination port */
ret = rte_hash_lookup(ipv6_l3fwd_lookup_struct, (const void *)&key);
- return (uint8_t)((ret < 0) ? portid : ipv6_l3fwd_out_if[ret]);
+ return (ret < 0) ? portid : ipv6_l3fwd_out_if[ret];
}
-
-/*
- * Include header file if SSE4_1 is enabled for
- * buffer optimization i.e. ENABLE_MULTI_BUFFER_OPTIMIZE=1.
- */
-#if defined(__SSE4_1__)
-#ifndef HASH_MULTI_LOOKUP
-#include "l3fwd_em_sse.h"
+#if defined RTE_ARCH_X86 || defined RTE_MACHINE_CPUFLAG_NEON
+#if defined(NO_HASH_MULTI_LOOKUP)
+#include "l3fwd_em_sequential.h"
#else
-#include "l3fwd_em_hlm_sse.h"
+#include "l3fwd_em_hlm.h"
#endif
#else
#include "l3fwd_em.h"
printf("Hash: Adding 0x%x keys\n", nr_flow);
}
+/* Requirements:
+ * 1. IP packets without extension;
+ * 2. L4 payload should be either TCP or UDP.
+ */
+int
+em_check_ptype(int portid)
+{
+ int i, ret;
+ int ptype_l3_ipv4_ext = 0;
+ int ptype_l3_ipv6_ext = 0;
+ int ptype_l4_tcp = 0;
+ int ptype_l4_udp = 0;
+ uint32_t ptype_mask = RTE_PTYPE_L3_MASK | RTE_PTYPE_L4_MASK;
+
+ ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, NULL, 0);
+ if (ret <= 0)
+ return 0;
+
+ uint32_t ptypes[ret];
+
+ ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, ptypes, ret);
+ for (i = 0; i < ret; ++i) {
+ switch (ptypes[i]) {
+ case RTE_PTYPE_L3_IPV4_EXT:
+ ptype_l3_ipv4_ext = 1;
+ break;
+ case RTE_PTYPE_L3_IPV6_EXT:
+ ptype_l3_ipv6_ext = 1;
+ break;
+ case RTE_PTYPE_L4_TCP:
+ ptype_l4_tcp = 1;
+ break;
+ case RTE_PTYPE_L4_UDP:
+ ptype_l4_udp = 1;
+ break;
+ }
+ }
+
+ if (ptype_l3_ipv4_ext == 0)
+ printf("port %d cannot parse RTE_PTYPE_L3_IPV4_EXT\n", portid);
+ if (ptype_l3_ipv6_ext == 0)
+ printf("port %d cannot parse RTE_PTYPE_L3_IPV6_EXT\n", portid);
+ if (!ptype_l3_ipv4_ext || !ptype_l3_ipv6_ext)
+ return 0;
+
+ if (ptype_l4_tcp == 0)
+ printf("port %d cannot parse RTE_PTYPE_L4_TCP\n", portid);
+ if (ptype_l4_udp == 0)
+ printf("port %d cannot parse RTE_PTYPE_L4_UDP\n", portid);
+ if (ptype_l4_tcp && ptype_l4_udp)
+ return 1;
+
+ return 0;
+}
+
+static inline void
+em_parse_ptype(struct rte_mbuf *m)
+{
+ struct ether_hdr *eth_hdr;
+ uint32_t packet_type = RTE_PTYPE_UNKNOWN;
+ uint16_t ether_type;
+ void *l3;
+ int hdr_len;
+ struct ipv4_hdr *ipv4_hdr;
+ struct ipv6_hdr *ipv6_hdr;
+
+ eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
+ ether_type = eth_hdr->ether_type;
+ l3 = (uint8_t *)eth_hdr + sizeof(struct ether_hdr);
+ if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4)) {
+ ipv4_hdr = (struct ipv4_hdr *)l3;
+ hdr_len = (ipv4_hdr->version_ihl & IPV4_HDR_IHL_MASK) *
+ IPV4_IHL_MULTIPLIER;
+ if (hdr_len == sizeof(struct ipv4_hdr)) {
+ packet_type |= RTE_PTYPE_L3_IPV4;
+ if (ipv4_hdr->next_proto_id == IPPROTO_TCP)
+ packet_type |= RTE_PTYPE_L4_TCP;
+ else if (ipv4_hdr->next_proto_id == IPPROTO_UDP)
+ packet_type |= RTE_PTYPE_L4_UDP;
+ } else
+ packet_type |= RTE_PTYPE_L3_IPV4_EXT;
+ } else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv6)) {
+ ipv6_hdr = (struct ipv6_hdr *)l3;
+ if (ipv6_hdr->proto == IPPROTO_TCP)
+ packet_type |= RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_TCP;
+ else if (ipv6_hdr->proto == IPPROTO_UDP)
+ packet_type |= RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_UDP;
+ else
+ packet_type |= RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
+ }
+
+ m->packet_type = packet_type;
+}
+
+uint16_t
+em_cb_parse_ptype(uint16_t port __rte_unused, uint16_t queue __rte_unused,
+ struct rte_mbuf *pkts[], uint16_t nb_pkts,
+ uint16_t max_pkts __rte_unused,
+ void *user_param __rte_unused)
+{
+ unsigned i;
+
+ for (i = 0; i < nb_pkts; ++i)
+ em_parse_ptype(pkts[i]);
+
+ return nb_pkts;
+}
+
/* main processing loop */
int
em_main_loop(__attribute__((unused)) void *dummy)
unsigned lcore_id;
uint64_t prev_tsc, diff_tsc, cur_tsc;
int i, nb_rx;
- uint8_t portid, queueid;
+ uint8_t queueid;
+ uint16_t portid;
struct lcore_conf *qconf;
const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
US_PER_S * BURST_TX_DRAIN_US;
portid = qconf->rx_queue_list[i].port_id;
queueid = qconf->rx_queue_list[i].queue_id;
RTE_LOG(INFO, L3FWD,
- " -- lcoreid=%u portid=%hhu rxqueueid=%hhu\n",
+ " -- lcoreid=%u portid=%u rxqueueid=%hhu\n",
lcore_id, portid, queueid);
}
diff_tsc = cur_tsc - prev_tsc;
if (unlikely(diff_tsc > drain_tsc)) {
- for (i = 0; i < qconf->n_rx_queue; i++) {
- portid = qconf->rx_queue_list[i].port_id;
+ for (i = 0; i < qconf->n_tx_port; ++i) {
+ portid = qconf->tx_port_id[i];
if (qconf->tx_mbufs[portid].len == 0)
continue;
send_burst(qconf,
if (nb_rx == 0)
continue;
- /*
- * For SSE4_1 use ENABLE_MULTI_BUFFER_OPTIMIZE=1
- * code.
- */
-#if defined(__SSE4_1__)
+#if defined RTE_ARCH_X86 || defined RTE_MACHINE_CPUFLAG_NEON
l3fwd_em_send_packets(nb_rx, pkts_burst,
portid, qconf);
#else
l3fwd_em_no_opt_send_packets(nb_rx, pkts_burst,
portid, qconf);
-#endif /* __SSE_4_1__ */
+#endif
}
}