/*-
* BSD LICENSE
- *
- * Copyright(c) 2010-2012 Intel Corporation. All rights reserved.
+ *
+ * Copyright(c) 2010-2014 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
+ *
+ * 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
+ *
+ * * 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
+ * * 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
+ * * 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
+ *
+ * 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 <getopt.h>
#include <rte_common.h>
+#include <rte_common_vect.h>
#include <rte_byteorder.h>
#include <rte_log.h>
#include <rte_memory.h>
#define APP_LOOKUP_LPM 1
#define DO_RFC_1812_CHECKS
-//#define APP_LOOKUP_METHOD APP_LOOKUP_EXACT_MATCH
#ifndef APP_LOOKUP_METHOD
#define APP_LOOKUP_METHOD APP_LOOKUP_LPM
#endif
+/*
+ * When set to zero, simple forwaring path is eanbled.
+ * When set to one, optimized forwarding path is enabled.
+ * Note that LPM optimisation path uses SSE4.1 instructions.
+ */
+#if ((APP_LOOKUP_METHOD == APP_LOOKUP_LPM) && !defined(__SSE4_1__))
+#define ENABLE_MULTI_BUFFER_OPTIMIZE 0
+#else
+#define ENABLE_MULTI_BUFFER_OPTIMIZE 1
+#endif
+
#if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
#include <rte_hash.h>
#elif (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
#include <rte_lpm.h>
+#include <rte_lpm6.h>
#else
#error "APP_LOOKUP_METHOD set to incorrect value"
#endif
+#ifndef IPv6_BYTES
+#define IPv6_BYTES_FMT "%02x%02x:%02x%02x:%02x%02x:%02x%02x:"\
+ "%02x%02x:%02x%02x:%02x%02x:%02x%02x"
+#define IPv6_BYTES(addr) \
+ addr[0], addr[1], addr[2], addr[3], \
+ addr[4], addr[5], addr[6], addr[7], \
+ addr[8], addr[9], addr[10], addr[11],\
+ addr[12], addr[13],addr[14], addr[15]
+#endif
+
+
#define RTE_LOGTYPE_L3FWD RTE_LOGTYPE_USER1
-#define MAX_PORTS 32
+#define MAX_JUMBO_PKT_LEN 9600
+
+#define IPV6_ADDR_LEN 16
+
+#define MEMPOOL_CACHE_SIZE 256
#define MBUF_SIZE (2048 + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM)
-#define NB_MBUF 8192
+
+/*
+ * This expression is used to calculate the number of mbufs needed depending on user input, taking
+ * into account memory for rx and tx hardware rings, cache per lcore and mtable per port per lcore.
+ * RTE_MAX is used to ensure that NB_MBUF never goes below a minimum value of 8192
+ */
+
+#define NB_MBUF RTE_MAX ( \
+ (nb_ports*nb_rx_queue*RTE_TEST_RX_DESC_DEFAULT + \
+ nb_ports*nb_lcores*MAX_PKT_BURST + \
+ nb_ports*n_tx_queue*RTE_TEST_TX_DESC_DEFAULT + \
+ nb_lcores*MEMPOOL_CACHE_SIZE), \
+ (unsigned)8192)
/*
* RX and TX Prefetch, Host, and Write-back threshold values should be
#define TX_HTHRESH 0 /**< Default values of TX host threshold reg. */
#define TX_WTHRESH 0 /**< Default values of TX write-back threshold reg. */
-#define MAX_PKT_BURST 32
-#define BURST_TX_DRAIN 200000ULL /* around 100us at 2 Ghz */
+#define MAX_PKT_BURST 32
+#define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
-#define NB_SOCKETS 8
+/*
+ * Try to avoid TX buffering if we have at least MAX_TX_BURST packets to send.
+ */
+#define MAX_TX_BURST (MAX_PKT_BURST / 2)
-#define SOCKET0 0
+#define NB_SOCKETS 8
/* Configure how many packets ahead to prefetch, when reading packets */
#define PREFETCH_OFFSET 3
+/* Used to mark destination port as 'invalid'. */
+#define BAD_PORT ((uint16_t)-1)
+
+#define FWDSTEP 4
+
/*
* Configurable number of RX/TX ring descriptors
*/
static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
/* ethernet addresses of ports */
-static struct ether_addr ports_eth_addr[MAX_PORTS];
+static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
+
+static __m128i val_eth[RTE_MAX_ETHPORTS];
+
+/* replace first 12B of the ethernet header. */
+#define MASK_ETH 0x3f
/* mask of enabled ports */
static uint32_t enabled_port_mask = 0;
static int promiscuous_on = 0; /**< Ports set in promiscuous mode off by default. */
static int numa_on = 1; /**< NUMA is enabled by default. */
+#if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
+static int ipv6 = 0; /**< ipv6 is false by default. */
+#endif
+
struct mbuf_table {
uint16_t len;
struct rte_mbuf *m_table[MAX_PKT_BURST];
} __rte_cache_aligned;
#define MAX_RX_QUEUE_PER_LCORE 16
-#define MAX_TX_QUEUE_PER_PORT MAX_PORTS
+#define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS
#define MAX_RX_QUEUE_PER_PORT 128
#define MAX_LCORE_PARAMS 1024
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 */
.rx_adv_conf = {
.rss_conf = {
.rss_key = NULL,
- .rss_hf = ETH_RSS_IPV4,
+ .rss_hf = ETH_RSS_IP,
},
},
.txmode = {
+ .mq_mode = ETH_MQ_TX_NONE,
},
};
.hthresh = RX_HTHRESH,
.wthresh = RX_WTHRESH,
},
+ .rx_free_thresh = 32,
};
-static const struct rte_eth_txconf tx_conf = {
+static struct rte_eth_txconf tx_conf = {
.tx_thresh = {
.pthresh = TX_PTHRESH,
.hthresh = TX_HTHRESH,
},
.tx_free_thresh = 0, /* Use PMD default values */
.tx_rs_thresh = 0, /* Use PMD default values */
+ .txq_flags = (ETH_TXQ_FLAGS_NOMULTSEGS |
+ ETH_TXQ_FLAGS_NOVLANOFFL |
+ ETH_TXQ_FLAGS_NOXSUMSCTP |
+ ETH_TXQ_FLAGS_NOXSUMUDP |
+ ETH_TXQ_FLAGS_NOXSUMTCP)
+
};
static struct rte_mempool * pktmbuf_pool[NB_SOCKETS];
-
#if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
#ifdef RTE_MACHINE_CPUFLAG_SSE4_2
#endif
struct ipv4_5tuple {
- uint32_t ip_dst;
- uint32_t ip_src;
- uint16_t port_dst;
- uint16_t port_src;
- uint8_t proto;
+ uint32_t ip_dst;
+ uint32_t ip_src;
+ uint16_t port_dst;
+ uint16_t port_src;
+ uint8_t proto;
} __attribute__((__packed__));
-struct l3fwd_route {
+union ipv4_5tuple_host {
+ struct {
+ uint8_t pad0;
+ uint8_t proto;
+ uint16_t pad1;
+ uint32_t ip_src;
+ uint32_t ip_dst;
+ uint16_t port_src;
+ uint16_t port_dst;
+ };
+ __m128i xmm;
+};
+
+#define XMM_NUM_IN_IPV6_5TUPLE 3
+
+struct ipv6_5tuple {
+ uint8_t ip_dst[IPV6_ADDR_LEN];
+ uint8_t ip_src[IPV6_ADDR_LEN];
+ uint16_t port_dst;
+ uint16_t port_src;
+ uint8_t proto;
+} __attribute__((__packed__));
+
+union ipv6_5tuple_host {
+ struct {
+ uint16_t pad0;
+ uint8_t proto;
+ uint8_t pad1;
+ uint8_t ip_src[IPV6_ADDR_LEN];
+ uint8_t ip_dst[IPV6_ADDR_LEN];
+ uint16_t port_src;
+ uint16_t port_dst;
+ uint64_t reserve;
+ };
+ __m128i xmm[XMM_NUM_IN_IPV6_5TUPLE];
+};
+
+struct ipv4_l3fwd_route {
struct ipv4_5tuple key;
uint8_t if_out;
};
-static struct l3fwd_route l3fwd_route_array[] = {
- {{IPv4(100,10,0,1), IPv4(200,10,0,1), 101, 11, IPPROTO_TCP}, 0},
- {{IPv4(100,20,0,2), IPv4(200,20,0,2), 102, 12, IPPROTO_TCP}, 1},
- {{IPv4(100,30,0,3), IPv4(200,30,0,3), 103, 13, IPPROTO_TCP}, 2},
- {{IPv4(100,40,0,4), IPv4(200,40,0,4), 104, 14, IPPROTO_TCP}, 3},
+struct ipv6_l3fwd_route {
+ struct ipv6_5tuple key;
+ uint8_t if_out;
};
-typedef struct rte_hash lookup_struct_t;
-static lookup_struct_t *l3fwd_lookup_struct[NB_SOCKETS];
-
-#define L3FWD_HASH_ENTRIES 1024
-struct rte_hash_parameters l3fwd_hash_params = {
- .name = "l3fwd_hash_0",
- .entries = L3FWD_HASH_ENTRIES,
- .bucket_entries = 4,
- .key_len = sizeof(struct ipv4_5tuple),
- .hash_func = rte_hash_crc,
- .hash_func_init_val = 0,
- .socket_id = SOCKET0,
+static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
+ {{IPv4(101,0,0,0), IPv4(100,10,0,1), 101, 11, IPPROTO_TCP}, 0},
+ {{IPv4(201,0,0,0), IPv4(200,20,0,1), 102, 12, IPPROTO_TCP}, 1},
+ {{IPv4(111,0,0,0), IPv4(100,30,0,1), 101, 11, IPPROTO_TCP}, 2},
+ {{IPv4(211,0,0,0), IPv4(200,40,0,1), 102, 12, IPPROTO_TCP}, 3},
};
-#define L3FWD_NUM_ROUTES \
- (sizeof(l3fwd_route_array) / sizeof(l3fwd_route_array[0]))
+static struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = {
+ {{
+ {0xfe, 0x80, 0, 0, 0, 0, 0, 0, 0x02, 0x1e, 0x67, 0xff, 0xfe, 0, 0, 0},
+ {0xfe, 0x80, 0, 0, 0, 0, 0, 0, 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 0x05},
+ 101, 11, IPPROTO_TCP}, 0},
+
+ {{
+ {0xfe, 0x90, 0, 0, 0, 0, 0, 0, 0x02, 0x1e, 0x67, 0xff, 0xfe, 0, 0, 0},
+ {0xfe, 0x90, 0, 0, 0, 0, 0, 0, 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 0x05},
+ 102, 12, IPPROTO_TCP}, 1},
+
+ {{
+ {0xfe, 0xa0, 0, 0, 0, 0, 0, 0, 0x02, 0x1e, 0x67, 0xff, 0xfe, 0, 0, 0},
+ {0xfe, 0xa0, 0, 0, 0, 0, 0, 0, 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 0x05},
+ 101, 11, IPPROTO_TCP}, 2},
+
+ {{
+ {0xfe, 0xb0, 0, 0, 0, 0, 0, 0, 0x02, 0x1e, 0x67, 0xff, 0xfe, 0, 0, 0},
+ {0xfe, 0xb0, 0, 0, 0, 0, 0, 0, 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 0x05},
+ 102, 12, IPPROTO_TCP}, 3},
+};
+
+typedef struct rte_hash lookup_struct_t;
+static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
+static lookup_struct_t *ipv6_l3fwd_lookup_struct[NB_SOCKETS];
+
+#ifdef RTE_ARCH_X86_64
+/* default to 4 million hash entries (approx) */
+#define L3FWD_HASH_ENTRIES 1024*1024*4
+#else
+/* 32-bit has less address-space for hugepage memory, limit to 1M entries */
+#define L3FWD_HASH_ENTRIES 1024*1024*1
+#endif
+#define HASH_ENTRY_NUMBER_DEFAULT 4
+
+static uint32_t hash_entry_number = HASH_ENTRY_NUMBER_DEFAULT;
+
+static inline uint32_t
+ipv4_hash_crc(const void *data, __rte_unused uint32_t data_len,
+ uint32_t init_val)
+{
+ const union ipv4_5tuple_host *k;
+ uint32_t t;
+ const uint32_t *p;
+
+ k = data;
+ t = k->proto;
+ p = (const uint32_t *)&k->port_src;
+
+#ifdef RTE_MACHINE_CPUFLAG_SSE4_2
+ 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 */
+ 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 */
+ return (init_val);
+}
+
+static inline uint32_t
+ipv6_hash_crc(const void *data, __rte_unused uint32_t data_len, uint32_t init_val)
+{
+ const union ipv6_5tuple_host *k;
+ uint32_t t;
+ const uint32_t *p;
+#ifdef RTE_MACHINE_CPUFLAG_SSE4_2
+ 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 */
+
+ k = data;
+ t = k->proto;
+ p = (const uint32_t *)&k->port_src;
+
+#ifdef RTE_MACHINE_CPUFLAG_SSE4_2
+ 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);
+ ip_src3 = (const uint32_t *)(k->ip_src+12);
+ ip_dst0 = (const uint32_t *) k->ip_dst;
+ ip_dst1 = (const uint32_t *)(k->ip_dst+4);
+ ip_dst2 = (const uint32_t *)(k->ip_dst+8);
+ ip_dst3 = (const uint32_t *)(k->ip_dst+12);
+ init_val = rte_hash_crc_4byte(t, init_val);
+ init_val = rte_hash_crc_4byte(*ip_src0, init_val);
+ init_val = rte_hash_crc_4byte(*ip_src1, init_val);
+ init_val = rte_hash_crc_4byte(*ip_src2, init_val);
+ init_val = rte_hash_crc_4byte(*ip_src3, init_val);
+ init_val = rte_hash_crc_4byte(*ip_dst0, init_val);
+ init_val = rte_hash_crc_4byte(*ip_dst1, init_val);
+ 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 */
+ 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 */
+ return (init_val);
+}
+
+#define IPV4_L3FWD_NUM_ROUTES \
+ (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
+
+#define IPV6_L3FWD_NUM_ROUTES \
+ (sizeof(ipv6_l3fwd_route_array) / sizeof(ipv6_l3fwd_route_array[0]))
+
+static uint8_t ipv4_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
+static uint8_t ipv6_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
-static uint8_t l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
#endif
#if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
-struct l3fwd_route {
+struct ipv4_l3fwd_route {
uint32_t ip;
uint8_t depth;
uint8_t if_out;
};
-static struct l3fwd_route l3fwd_route_array[] = {
+struct ipv6_l3fwd_route {
+ uint8_t ip[16];
+ uint8_t depth;
+ uint8_t if_out;
+};
+
+static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
{IPv4(1,1,1,0), 24, 0},
{IPv4(2,1,1,0), 24, 1},
{IPv4(3,1,1,0), 24, 2},
{IPv4(8,1,1,0), 24, 7},
};
-#define L3FWD_NUM_ROUTES \
- (sizeof(l3fwd_route_array) / sizeof(l3fwd_route_array[0]))
+static struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = {
+ {{1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 0},
+ {{2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 1},
+ {{3,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 2},
+ {{4,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 3},
+ {{5,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 4},
+ {{6,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 5},
+ {{7,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 6},
+ {{8,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 7},
+};
-#define L3FWD_LPM_MAX_RULES 1024
+#define IPV4_L3FWD_NUM_ROUTES \
+ (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
+#define IPV6_L3FWD_NUM_ROUTES \
+ (sizeof(ipv6_l3fwd_route_array) / sizeof(ipv6_l3fwd_route_array[0]))
+
+#define IPV4_L3FWD_LPM_MAX_RULES 1024
+#define IPV6_L3FWD_LPM_MAX_RULES 1024
+#define IPV6_L3FWD_LPM_NUMBER_TBL8S (1 << 16)
typedef struct rte_lpm lookup_struct_t;
-static lookup_struct_t *l3fwd_lookup_struct[NB_SOCKETS];
+typedef struct rte_lpm6 lookup6_struct_t;
+static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
+static lookup6_struct_t *ipv6_l3fwd_lookup_struct[NB_SOCKETS];
#endif
struct lcore_conf {
uint16_t n_rx_queue;
struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
- uint16_t tx_queue_id[MAX_PORTS];
- struct mbuf_table tx_mbufs[MAX_PORTS];
- lookup_struct_t * lookup_struct;
+ uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
+ struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS];
+ lookup_struct_t * ipv4_lookup_struct;
+#if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
+ lookup6_struct_t * ipv6_lookup_struct;
+#else
+ lookup_struct_t * ipv6_lookup_struct;
+#endif
} __rte_cache_aligned;
static struct lcore_conf lcore_conf[RTE_MAX_LCORE];
return 0;
}
+static inline __attribute__((always_inline)) void
+send_packetsx4(struct lcore_conf *qconf, uint8_t port,
+ struct rte_mbuf *m[], uint32_t num)
+{
+ uint32_t len, j, n;
+
+ len = qconf->tx_mbufs[port].len;
+
+ /*
+ * If TX buffer for that queue is empty, and we have enough packets,
+ * then send them straightway.
+ */
+ if (num >= MAX_TX_BURST && len == 0) {
+ n = rte_eth_tx_burst(port, qconf->tx_queue_id[port], m, num);
+ if (unlikely(n < num)) {
+ do {
+ rte_pktmbuf_free(m[n]);
+ } while (++n < num);
+ }
+ return;
+ }
+
+ /*
+ * Put packets into TX buffer for that queue.
+ */
+
+ n = len + num;
+ n = (n > MAX_PKT_BURST) ? MAX_PKT_BURST - len : num;
+
+ j = 0;
+ switch (n % FWDSTEP) {
+ while (j < n) {
+ case 0:
+ qconf->tx_mbufs[port].m_table[len + j] = m[j];
+ j++;
+ case 3:
+ qconf->tx_mbufs[port].m_table[len + j] = m[j];
+ j++;
+ case 2:
+ qconf->tx_mbufs[port].m_table[len + j] = m[j];
+ j++;
+ case 1:
+ qconf->tx_mbufs[port].m_table[len + j] = m[j];
+ j++;
+ }
+ }
+
+ len += n;
+
+ /* enough pkts to be sent */
+ if (unlikely(len == MAX_PKT_BURST)) {
+
+ send_burst(qconf, MAX_PKT_BURST, port);
+
+ /* copy rest of the packets into the TX buffer. */
+ len = num - n;
+ j = 0;
+ switch (len % FWDSTEP) {
+ while (j < len) {
+ case 0:
+ qconf->tx_mbufs[port].m_table[j] = m[n + j];
+ j++;
+ case 3:
+ qconf->tx_mbufs[port].m_table[j] = m[n + j];
+ j++;
+ case 2:
+ qconf->tx_mbufs[port].m_table[j] = m[n + j];
+ j++;
+ case 1:
+ qconf->tx_mbufs[port].m_table[j] = m[n + j];
+ j++;
+ }
+ }
+ }
+
+ qconf->tx_mbufs[port].len = len;
+}
+
#ifdef DO_RFC_1812_CHECKS
static inline int
is_valid_ipv4_pkt(struct ipv4_hdr *pkt, uint32_t link_len)
#endif
#if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
-static void
-print_key(struct ipv4_5tuple key)
+
+static __m128i mask0;
+static __m128i mask1;
+static __m128i mask2;
+static inline uint8_t
+get_ipv4_dst_port(void *ipv4_hdr, uint8_t portid, lookup_struct_t * ipv4_l3fwd_lookup_struct)
{
- printf("IP dst = %08x, IP src = %08x, port dst = %d, port src = %d, proto = %d\n",
- (unsigned)key.ip_dst, (unsigned)key.ip_src, key.port_dst, key.port_src, key.proto);
+ int ret = 0;
+ union ipv4_5tuple_host key;
+
+ ipv4_hdr = (uint8_t *)ipv4_hdr + offsetof(struct ipv4_hdr, time_to_live);
+ __m128i data = _mm_loadu_si128((__m128i*)(ipv4_hdr));
+ /* Get 5 tuple: dst port, src port, dst IP address, src IP address and protocol */
+ key.xmm = _mm_and_si128(data, mask0);
+ /* 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]);
}
static inline uint8_t
-get_dst_port(struct ipv4_hdr *ipv4_hdr, uint8_t portid, lookup_struct_t * l3fwd_lookup_struct)
+get_ipv6_dst_port(void *ipv6_hdr, uint8_t portid, lookup_struct_t * ipv6_l3fwd_lookup_struct)
{
- struct ipv4_5tuple key;
- struct tcp_hdr *tcp;
- struct udp_hdr *udp;
int ret = 0;
-
- key.ip_dst = rte_be_to_cpu_32(ipv4_hdr->dst_addr);
- key.ip_src = rte_be_to_cpu_32(ipv4_hdr->src_addr);
- key.proto = ipv4_hdr->next_proto_id;
-
- switch (ipv4_hdr->next_proto_id) {
- case IPPROTO_TCP:
- tcp = (struct tcp_hdr *)((unsigned char *) ipv4_hdr +
- sizeof(struct ipv4_hdr));
- key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
- key.port_src = rte_be_to_cpu_16(tcp->src_port);
- break;
-
- case IPPROTO_UDP:
- udp = (struct udp_hdr *)((unsigned char *) ipv4_hdr +
- sizeof(struct ipv4_hdr));
- key.port_dst = rte_be_to_cpu_16(udp->dst_port);
- key.port_src = rte_be_to_cpu_16(udp->src_port);
- break;
-
- default:
- key.port_dst = 0;
- key.port_src = 0;
- }
+ union ipv6_5tuple_host key;
+
+ ipv6_hdr = (uint8_t *)ipv6_hdr + offsetof(struct ipv6_hdr, payload_len);
+ __m128i data0 = _mm_loadu_si128((__m128i*)(ipv6_hdr));
+ __m128i data1 = _mm_loadu_si128((__m128i*)(((uint8_t*)ipv6_hdr)+sizeof(__m128i)));
+ __m128i data2 = _mm_loadu_si128((__m128i*)(((uint8_t*)ipv6_hdr)+sizeof(__m128i)+sizeof(__m128i)));
+ /* Get part of 5 tuple: src IP address lower 96 bits and protocol */
+ key.xmm[0] = _mm_and_si128(data0, mask1);
+ /* Get part of 5 tuple: dst IP address lower 96 bits and src IP address higher 32 bits */
+ key.xmm[1] = data1;
+ /* Get part of 5 tuple: dst port and src port and dst IP address higher 32 bits */
+ key.xmm[2] = _mm_and_si128(data2, mask2);
/* Find destination port */
- ret = rte_hash_lookup(l3fwd_lookup_struct, (const void *)&key);
- return (uint8_t)((ret < 0)? portid : l3fwd_out_if[ret]);
+ ret = rte_hash_lookup(ipv6_l3fwd_lookup_struct, (const void *)&key);
+ return (uint8_t)((ret < 0)? portid : ipv6_l3fwd_out_if[ret]);
}
#endif
#if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
+
static inline uint8_t
-get_dst_port(struct ipv4_hdr *ipv4_hdr, uint8_t portid, lookup_struct_t * l3fwd_lookup_struct)
+get_ipv4_dst_port(void *ipv4_hdr, uint8_t portid, lookup_struct_t * ipv4_l3fwd_lookup_struct)
{
uint8_t next_hop;
- return (uint8_t) ((rte_lpm_lookup(l3fwd_lookup_struct,
- rte_be_to_cpu_32(ipv4_hdr->dst_addr), &next_hop) == 0)?
+ return (uint8_t) ((rte_lpm_lookup(ipv4_l3fwd_lookup_struct,
+ rte_be_to_cpu_32(((struct ipv4_hdr *)ipv4_hdr)->dst_addr),
+ &next_hop) == 0) ? next_hop : portid);
+}
+
+static inline uint8_t
+get_ipv6_dst_port(void *ipv6_hdr, uint8_t portid, lookup6_struct_t * ipv6_l3fwd_lookup_struct)
+{
+ uint8_t next_hop;
+ return (uint8_t) ((rte_lpm6_lookup(ipv6_l3fwd_lookup_struct,
+ ((struct ipv6_hdr*)ipv6_hdr)->dst_addr, &next_hop) == 0)?
next_hop : portid);
}
#endif
+#if ((APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) && \
+ (ENABLE_MULTI_BUFFER_OPTIMIZE == 1))
+static inline void l3fwd_simple_forward(struct rte_mbuf *m, uint8_t portid, struct lcore_conf *qconf);
+
+#define MASK_ALL_PKTS 0xf
+#define EXECLUDE_1ST_PKT 0xe
+#define EXECLUDE_2ND_PKT 0xd
+#define EXECLUDE_3RD_PKT 0xb
+#define EXECLUDE_4TH_PKT 0x7
+
static inline void
-l3fwd_simple_forward(struct rte_mbuf *m, uint8_t portid, lookup_struct_t * l3fwd_lookup_struct)
+simple_ipv4_fwd_4pkts(struct rte_mbuf* m[4], uint8_t portid, struct lcore_conf *qconf)
+{
+ struct ether_hdr *eth_hdr[4];
+ struct ipv4_hdr *ipv4_hdr[4];
+ void *d_addr_bytes[4];
+ uint8_t dst_port[4];
+ int32_t ret[4];
+ union ipv4_5tuple_host key[4];
+ __m128i data[4];
+
+ eth_hdr[0] = rte_pktmbuf_mtod(m[0], struct ether_hdr *);
+ eth_hdr[1] = rte_pktmbuf_mtod(m[1], struct ether_hdr *);
+ eth_hdr[2] = rte_pktmbuf_mtod(m[2], struct ether_hdr *);
+ eth_hdr[3] = rte_pktmbuf_mtod(m[3], struct ether_hdr *);
+
+ /* Handle IPv4 headers.*/
+ ipv4_hdr[0] = (struct ipv4_hdr *)(rte_pktmbuf_mtod(m[0], unsigned char *) +
+ sizeof(struct ether_hdr));
+ ipv4_hdr[1] = (struct ipv4_hdr *)(rte_pktmbuf_mtod(m[1], unsigned char *) +
+ sizeof(struct ether_hdr));
+ ipv4_hdr[2] = (struct ipv4_hdr *)(rte_pktmbuf_mtod(m[2], unsigned char *) +
+ sizeof(struct ether_hdr));
+ ipv4_hdr[3] = (struct ipv4_hdr *)(rte_pktmbuf_mtod(m[3], unsigned char *) +
+ sizeof(struct ether_hdr));
+
+#ifdef DO_RFC_1812_CHECKS
+ /* Check to make sure the packet is valid (RFC1812) */
+ uint8_t valid_mask = MASK_ALL_PKTS;
+ if (is_valid_ipv4_pkt(ipv4_hdr[0], m[0]->pkt_len) < 0) {
+ rte_pktmbuf_free(m[0]);
+ valid_mask &= EXECLUDE_1ST_PKT;
+ }
+ if (is_valid_ipv4_pkt(ipv4_hdr[1], m[1]->pkt_len) < 0) {
+ rte_pktmbuf_free(m[1]);
+ valid_mask &= EXECLUDE_2ND_PKT;
+ }
+ if (is_valid_ipv4_pkt(ipv4_hdr[2], m[2]->pkt_len) < 0) {
+ rte_pktmbuf_free(m[2]);
+ valid_mask &= EXECLUDE_3RD_PKT;
+ }
+ if (is_valid_ipv4_pkt(ipv4_hdr[3], m[3]->pkt_len) < 0) {
+ rte_pktmbuf_free(m[3]);
+ valid_mask &= EXECLUDE_4TH_PKT;
+ }
+ if (unlikely(valid_mask != MASK_ALL_PKTS)) {
+ if (valid_mask == 0){
+ return;
+ } else {
+ uint8_t i = 0;
+ for (i = 0; i < 4; i++) {
+ if ((0x1 << i) & valid_mask) {
+ l3fwd_simple_forward(m[i], portid, qconf);
+ }
+ }
+ return;
+ }
+ }
+#endif // End of #ifdef DO_RFC_1812_CHECKS
+
+ data[0] = _mm_loadu_si128((__m128i*)(rte_pktmbuf_mtod(m[0], unsigned char *) +
+ sizeof(struct ether_hdr) + offsetof(struct ipv4_hdr, time_to_live)));
+ data[1] = _mm_loadu_si128((__m128i*)(rte_pktmbuf_mtod(m[1], unsigned char *) +
+ sizeof(struct ether_hdr) + offsetof(struct ipv4_hdr, time_to_live)));
+ data[2] = _mm_loadu_si128((__m128i*)(rte_pktmbuf_mtod(m[2], unsigned char *) +
+ sizeof(struct ether_hdr) + offsetof(struct ipv4_hdr, time_to_live)));
+ data[3] = _mm_loadu_si128((__m128i*)(rte_pktmbuf_mtod(m[3], unsigned char *) +
+ sizeof(struct ether_hdr) + offsetof(struct ipv4_hdr, time_to_live)));
+
+ key[0].xmm = _mm_and_si128(data[0], mask0);
+ key[1].xmm = _mm_and_si128(data[1], mask0);
+ key[2].xmm = _mm_and_si128(data[2], mask0);
+ key[3].xmm = _mm_and_si128(data[3], mask0);
+
+ const void *key_array[4] = {&key[0], &key[1], &key[2],&key[3]};
+ rte_hash_lookup_multi(qconf->ipv4_lookup_struct, &key_array[0], 4, ret);
+ dst_port[0] = (uint8_t) ((ret[0] < 0) ? portid : ipv4_l3fwd_out_if[ret[0]]);
+ dst_port[1] = (uint8_t) ((ret[1] < 0) ? portid : ipv4_l3fwd_out_if[ret[1]]);
+ dst_port[2] = (uint8_t) ((ret[2] < 0) ? portid : ipv4_l3fwd_out_if[ret[2]]);
+ dst_port[3] = (uint8_t) ((ret[3] < 0) ? portid : ipv4_l3fwd_out_if[ret[3]]);
+
+ if (dst_port[0] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[0]) == 0)
+ dst_port[0] = portid;
+ if (dst_port[1] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[1]) == 0)
+ dst_port[1] = portid;
+ if (dst_port[2] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[2]) == 0)
+ dst_port[2] = portid;
+ if (dst_port[3] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[3]) == 0)
+ dst_port[3] = portid;
+
+ /* 02:00:00:00:00:xx */
+ d_addr_bytes[0] = ð_hdr[0]->d_addr.addr_bytes[0];
+ d_addr_bytes[1] = ð_hdr[1]->d_addr.addr_bytes[0];
+ d_addr_bytes[2] = ð_hdr[2]->d_addr.addr_bytes[0];
+ d_addr_bytes[3] = ð_hdr[3]->d_addr.addr_bytes[0];
+ *((uint64_t *)d_addr_bytes[0]) = 0x000000000002 + ((uint64_t)dst_port[0] << 40);
+ *((uint64_t *)d_addr_bytes[1]) = 0x000000000002 + ((uint64_t)dst_port[1] << 40);
+ *((uint64_t *)d_addr_bytes[2]) = 0x000000000002 + ((uint64_t)dst_port[2] << 40);
+ *((uint64_t *)d_addr_bytes[3]) = 0x000000000002 + ((uint64_t)dst_port[3] << 40);
+
+#ifdef DO_RFC_1812_CHECKS
+ /* Update time to live and header checksum */
+ --(ipv4_hdr[0]->time_to_live);
+ --(ipv4_hdr[1]->time_to_live);
+ --(ipv4_hdr[2]->time_to_live);
+ --(ipv4_hdr[3]->time_to_live);
+ ++(ipv4_hdr[0]->hdr_checksum);
+ ++(ipv4_hdr[1]->hdr_checksum);
+ ++(ipv4_hdr[2]->hdr_checksum);
+ ++(ipv4_hdr[3]->hdr_checksum);
+#endif
+
+ /* src addr */
+ ether_addr_copy(&ports_eth_addr[dst_port[0]], ð_hdr[0]->s_addr);
+ ether_addr_copy(&ports_eth_addr[dst_port[1]], ð_hdr[1]->s_addr);
+ ether_addr_copy(&ports_eth_addr[dst_port[2]], ð_hdr[2]->s_addr);
+ ether_addr_copy(&ports_eth_addr[dst_port[3]], ð_hdr[3]->s_addr);
+
+ send_single_packet(m[0], (uint8_t)dst_port[0]);
+ send_single_packet(m[1], (uint8_t)dst_port[1]);
+ send_single_packet(m[2], (uint8_t)dst_port[2]);
+ send_single_packet(m[3], (uint8_t)dst_port[3]);
+
+}
+
+static inline void get_ipv6_5tuple(struct rte_mbuf* m0, __m128i mask0, __m128i mask1,
+ union ipv6_5tuple_host * key)
+{
+ __m128i tmpdata0 = _mm_loadu_si128((__m128i*)(rte_pktmbuf_mtod(m0, unsigned char *)
+ + sizeof(struct ether_hdr) + offsetof(struct ipv6_hdr, payload_len)));
+ __m128i tmpdata1 = _mm_loadu_si128((__m128i*)(rte_pktmbuf_mtod(m0, unsigned char *)
+ + sizeof(struct ether_hdr) + offsetof(struct ipv6_hdr, payload_len)
+ + sizeof(__m128i)));
+ __m128i tmpdata2 = _mm_loadu_si128((__m128i*)(rte_pktmbuf_mtod(m0, unsigned char *)
+ + sizeof(struct ether_hdr) + offsetof(struct ipv6_hdr, payload_len)
+ + sizeof(__m128i) + sizeof(__m128i)));
+ key->xmm[0] = _mm_and_si128(tmpdata0, mask0);
+ key->xmm[1] = tmpdata1;
+ key->xmm[2] = _mm_and_si128(tmpdata2, mask1);
+ return;
+}
+
+static inline void
+simple_ipv6_fwd_4pkts(struct rte_mbuf* m[4], uint8_t portid, struct lcore_conf *qconf)
+{
+ struct ether_hdr *eth_hdr[4];
+ __attribute__((unused)) struct ipv6_hdr *ipv6_hdr[4];
+ void *d_addr_bytes[4];
+ uint8_t dst_port[4];
+ int32_t ret[4];
+ union ipv6_5tuple_host key[4];
+
+ eth_hdr[0] = rte_pktmbuf_mtod(m[0], struct ether_hdr *);
+ eth_hdr[1] = rte_pktmbuf_mtod(m[1], struct ether_hdr *);
+ eth_hdr[2] = rte_pktmbuf_mtod(m[2], struct ether_hdr *);
+ eth_hdr[3] = rte_pktmbuf_mtod(m[3], struct ether_hdr *);
+
+ /* Handle IPv6 headers.*/
+ ipv6_hdr[0] = (struct ipv6_hdr *)(rte_pktmbuf_mtod(m[0], unsigned char *) +
+ sizeof(struct ether_hdr));
+ ipv6_hdr[1] = (struct ipv6_hdr *)(rte_pktmbuf_mtod(m[1], unsigned char *) +
+ sizeof(struct ether_hdr));
+ ipv6_hdr[2] = (struct ipv6_hdr *)(rte_pktmbuf_mtod(m[2], unsigned char *) +
+ sizeof(struct ether_hdr));
+ ipv6_hdr[3] = (struct ipv6_hdr *)(rte_pktmbuf_mtod(m[3], unsigned char *) +
+ sizeof(struct ether_hdr));
+
+ get_ipv6_5tuple(m[0], mask1, mask2, &key[0]);
+ get_ipv6_5tuple(m[1], mask1, mask2, &key[1]);
+ get_ipv6_5tuple(m[2], mask1, mask2, &key[2]);
+ get_ipv6_5tuple(m[3], mask1, mask2, &key[3]);
+
+ const void *key_array[4] = {&key[0], &key[1], &key[2],&key[3]};
+ rte_hash_lookup_multi(qconf->ipv6_lookup_struct, &key_array[0], 4, ret);
+ dst_port[0] = (uint8_t) ((ret[0] < 0)? portid:ipv6_l3fwd_out_if[ret[0]]);
+ dst_port[1] = (uint8_t) ((ret[1] < 0)? portid:ipv6_l3fwd_out_if[ret[1]]);
+ dst_port[2] = (uint8_t) ((ret[2] < 0)? portid:ipv6_l3fwd_out_if[ret[2]]);
+ dst_port[3] = (uint8_t) ((ret[3] < 0)? portid:ipv6_l3fwd_out_if[ret[3]]);
+
+ if (dst_port[0] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[0]) == 0)
+ dst_port[0] = portid;
+ if (dst_port[1] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[1]) == 0)
+ dst_port[1] = portid;
+ if (dst_port[2] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[2]) == 0)
+ dst_port[2] = portid;
+ if (dst_port[3] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[3]) == 0)
+ dst_port[3] = portid;
+
+ /* 02:00:00:00:00:xx */
+ d_addr_bytes[0] = ð_hdr[0]->d_addr.addr_bytes[0];
+ d_addr_bytes[1] = ð_hdr[1]->d_addr.addr_bytes[0];
+ d_addr_bytes[2] = ð_hdr[2]->d_addr.addr_bytes[0];
+ d_addr_bytes[3] = ð_hdr[3]->d_addr.addr_bytes[0];
+ *((uint64_t *)d_addr_bytes[0]) = 0x000000000002 + ((uint64_t)dst_port[0] << 40);
+ *((uint64_t *)d_addr_bytes[1]) = 0x000000000002 + ((uint64_t)dst_port[1] << 40);
+ *((uint64_t *)d_addr_bytes[2]) = 0x000000000002 + ((uint64_t)dst_port[2] << 40);
+ *((uint64_t *)d_addr_bytes[3]) = 0x000000000002 + ((uint64_t)dst_port[3] << 40);
+
+ /* src addr */
+ ether_addr_copy(&ports_eth_addr[dst_port[0]], ð_hdr[0]->s_addr);
+ ether_addr_copy(&ports_eth_addr[dst_port[1]], ð_hdr[1]->s_addr);
+ ether_addr_copy(&ports_eth_addr[dst_port[2]], ð_hdr[2]->s_addr);
+ ether_addr_copy(&ports_eth_addr[dst_port[3]], ð_hdr[3]->s_addr);
+
+ send_single_packet(m[0], (uint8_t)dst_port[0]);
+ send_single_packet(m[1], (uint8_t)dst_port[1]);
+ send_single_packet(m[2], (uint8_t)dst_port[2]);
+ send_single_packet(m[3], (uint8_t)dst_port[3]);
+
+}
+#endif /* APP_LOOKUP_METHOD */
+
+static inline __attribute__((always_inline)) void
+l3fwd_simple_forward(struct rte_mbuf *m, uint8_t portid, struct lcore_conf *qconf)
{
struct ether_hdr *eth_hdr;
struct ipv4_hdr *ipv4_hdr;
- void *tmp;
+ void *d_addr_bytes;
uint8_t dst_port;
eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
- ipv4_hdr = (struct ipv4_hdr *)(rte_pktmbuf_mtod(m, unsigned char *) +
+ if (m->ol_flags & PKT_RX_IPV4_HDR) {
+ /* Handle IPv4 headers.*/
+ ipv4_hdr = (struct ipv4_hdr *)(rte_pktmbuf_mtod(m, unsigned char *) +
sizeof(struct ether_hdr));
#ifdef DO_RFC_1812_CHECKS
- /* Check to make sure the packet is valid (RFC1812) */
- if (is_valid_ipv4_pkt(ipv4_hdr, m->pkt.pkt_len) < 0) {
- rte_pktmbuf_free(m);
- return;
- }
+ /* Check to make sure the packet is valid (RFC1812) */
+ if (is_valid_ipv4_pkt(ipv4_hdr, m->pkt_len) < 0) {
+ rte_pktmbuf_free(m);
+ return;
+ }
#endif
- dst_port = get_dst_port(ipv4_hdr, portid, l3fwd_lookup_struct);
- if (dst_port >= MAX_PORTS || (enabled_port_mask & 1 << dst_port) == 0)
- dst_port = portid;
+ dst_port = get_ipv4_dst_port(ipv4_hdr, portid,
+ qconf->ipv4_lookup_struct);
+ if (dst_port >= RTE_MAX_ETHPORTS ||
+ (enabled_port_mask & 1 << dst_port) == 0)
+ dst_port = portid;
- /* 00:09:c0:00:00:xx */
- tmp = ð_hdr->d_addr.addr_bytes[0];
- *((uint64_t *)tmp) = 0x000000c00900 + (dst_port << 24);
+ /* 02:00:00:00:00:xx */
+ d_addr_bytes = ð_hdr->d_addr.addr_bytes[0];
+ *((uint64_t *)d_addr_bytes) = ETHER_LOCAL_ADMIN_ADDR +
+ ((uint64_t)dst_port << 40);
#ifdef DO_RFC_1812_CHECKS
- /* Update time to live and header checksum */
- --(ipv4_hdr->time_to_live);
- ++(ipv4_hdr->hdr_checksum);
+ /* Update time to live and header checksum */
+ --(ipv4_hdr->time_to_live);
+ ++(ipv4_hdr->hdr_checksum);
#endif
- /* src addr */
- ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
+ /* src addr */
+ ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
+
+ send_single_packet(m, dst_port);
+
+ } else {
+ /* Handle IPv6 headers.*/
+ struct ipv6_hdr *ipv6_hdr;
+
+ ipv6_hdr = (struct ipv6_hdr *)(rte_pktmbuf_mtod(m, unsigned char *) +
+ sizeof(struct ether_hdr));
+
+ dst_port = get_ipv6_dst_port(ipv6_hdr, portid, qconf->ipv6_lookup_struct);
+
+ if (dst_port >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port) == 0)
+ dst_port = portid;
+
+ /* 02:00:00:00:00:xx */
+ d_addr_bytes = ð_hdr->d_addr.addr_bytes[0];
+ *((uint64_t *)d_addr_bytes) = ETHER_LOCAL_ADMIN_ADDR +
+ ((uint64_t)dst_port << 40);
+
+ /* src addr */
+ ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
+
+ send_single_packet(m, dst_port);
+ }
+
+}
+
+#ifdef DO_RFC_1812_CHECKS
+
+#define IPV4_MIN_VER_IHL 0x45
+#define IPV4_MAX_VER_IHL 0x4f
+#define IPV4_MAX_VER_IHL_DIFF (IPV4_MAX_VER_IHL - IPV4_MIN_VER_IHL)
+
+/* Minimum value of IPV4 total length (20B) in network byte order. */
+#define IPV4_MIN_LEN_BE (sizeof(struct ipv4_hdr) << 8)
+
+/*
+ * From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2:
+ * - The IP version number must be 4.
+ * - The IP header length field must be large enough to hold the
+ * minimum length legal IP datagram (20 bytes = 5 words).
+ * - The IP total length field must be large enough to hold the IP
+ * datagram header, whose length is specified in the IP header length
+ * field.
+ * If we encounter invalid IPV4 packet, then set destination port for it
+ * to BAD_PORT value.
+ */
+static inline __attribute__((always_inline)) void
+rfc1812_process(struct ipv4_hdr *ipv4_hdr, uint16_t *dp, uint32_t flags)
+{
+ uint8_t ihl;
+
+ if ((flags & PKT_RX_IPV4_HDR) != 0) {
+
+ ihl = ipv4_hdr->version_ihl - IPV4_MIN_VER_IHL;
+
+ ipv4_hdr->time_to_live--;
+ ipv4_hdr->hdr_checksum++;
+
+ if (ihl > IPV4_MAX_VER_IHL_DIFF ||
+ ((uint8_t)ipv4_hdr->total_length == 0 &&
+ ipv4_hdr->total_length < IPV4_MIN_LEN_BE)) {
+ dp[0] = BAD_PORT;
+ }
+ }
+}
+
+#else
+#define rfc1812_process(mb, dp) do { } while (0)
+#endif /* DO_RFC_1812_CHECKS */
+
+
+#if ((APP_LOOKUP_METHOD == APP_LOOKUP_LPM) && \
+ (ENABLE_MULTI_BUFFER_OPTIMIZE == 1))
+
+static inline __attribute__((always_inline)) uint16_t
+get_dst_port(const struct lcore_conf *qconf, struct rte_mbuf *pkt,
+ uint32_t dst_ipv4, uint8_t portid)
+{
+ uint8_t next_hop;
+ struct ipv6_hdr *ipv6_hdr;
+ struct ether_hdr *eth_hdr;
+
+ if (pkt->ol_flags & PKT_RX_IPV4_HDR) {
+ if (rte_lpm_lookup(qconf->ipv4_lookup_struct, dst_ipv4,
+ &next_hop) != 0)
+ next_hop = portid;
+ } else if (pkt->ol_flags & PKT_RX_IPV6_HDR) {
+ eth_hdr = rte_pktmbuf_mtod(pkt, struct ether_hdr *);
+ ipv6_hdr = (struct ipv6_hdr *)(eth_hdr + 1);
+ if (rte_lpm6_lookup(qconf->ipv6_lookup_struct,
+ ipv6_hdr->dst_addr, &next_hop) != 0)
+ next_hop = portid;
+ } else {
+ next_hop = portid;
+ }
+
+ return next_hop;
+}
+
+static inline void
+process_packet(struct lcore_conf *qconf, struct rte_mbuf *pkt,
+ uint16_t *dst_port, uint8_t portid)
+{
+ struct ether_hdr *eth_hdr;
+ struct ipv4_hdr *ipv4_hdr;
+ uint32_t dst_ipv4;
+ uint16_t dp;
+ __m128i te, ve;
+
+ eth_hdr = rte_pktmbuf_mtod(pkt, struct ether_hdr *);
+ ipv4_hdr = (struct ipv4_hdr *)(eth_hdr + 1);
+
+ dst_ipv4 = ipv4_hdr->dst_addr;
+ dst_ipv4 = rte_be_to_cpu_32(dst_ipv4);
+ dp = get_dst_port(qconf, pkt, dst_ipv4, portid);
+
+ te = _mm_load_si128((__m128i *)eth_hdr);
+ ve = val_eth[dp];
+
+ dst_port[0] = dp;
+ rfc1812_process(ipv4_hdr, dst_port, pkt->ol_flags);
+
+ te = _mm_blend_epi16(te, ve, MASK_ETH);
+ _mm_store_si128((__m128i *)eth_hdr, te);
+}
+
+/*
+ * Read ol_flags and destination IPV4 addresses from 4 mbufs.
+ */
+static inline void
+processx4_step1(struct rte_mbuf *pkt[FWDSTEP], __m128i *dip, uint32_t *flag)
+{
+ struct ipv4_hdr *ipv4_hdr;
+ struct ether_hdr *eth_hdr;
+ uint32_t x0, x1, x2, x3;
+
+ eth_hdr = rte_pktmbuf_mtod(pkt[0], struct ether_hdr *);
+ ipv4_hdr = (struct ipv4_hdr *)(eth_hdr + 1);
+ x0 = ipv4_hdr->dst_addr;
+ flag[0] = pkt[0]->ol_flags & PKT_RX_IPV4_HDR;
+
+ eth_hdr = rte_pktmbuf_mtod(pkt[1], struct ether_hdr *);
+ ipv4_hdr = (struct ipv4_hdr *)(eth_hdr + 1);
+ x1 = ipv4_hdr->dst_addr;
+ flag[0] &= pkt[1]->ol_flags;
+
+ eth_hdr = rte_pktmbuf_mtod(pkt[2], struct ether_hdr *);
+ ipv4_hdr = (struct ipv4_hdr *)(eth_hdr + 1);
+ x2 = ipv4_hdr->dst_addr;
+ flag[0] &= pkt[2]->ol_flags;
+
+ eth_hdr = rte_pktmbuf_mtod(pkt[3], struct ether_hdr *);
+ ipv4_hdr = (struct ipv4_hdr *)(eth_hdr + 1);
+ x3 = ipv4_hdr->dst_addr;
+ flag[0] &= pkt[3]->ol_flags;
+
+ dip[0] = _mm_set_epi32(x3, x2, x1, x0);
+}
- send_single_packet(m, dst_port);
+/*
+ * Lookup into LPM for destination port.
+ * If lookup fails, use incoming port (portid) as destination port.
+ */
+static inline void
+processx4_step2(const struct lcore_conf *qconf, __m128i dip, uint32_t flag,
+ uint8_t portid, struct rte_mbuf *pkt[FWDSTEP], uint16_t dprt[FWDSTEP])
+{
+ rte_xmm_t dst;
+ const __m128i bswap_mask = _mm_set_epi8(12, 13, 14, 15, 8, 9, 10, 11,
+ 4, 5, 6, 7, 0, 1, 2, 3);
+
+ /* Byte swap 4 IPV4 addresses. */
+ dip = _mm_shuffle_epi8(dip, bswap_mask);
+
+ /* if all 4 packets are IPV4. */
+ if (likely(flag != 0)) {
+ rte_lpm_lookupx4(qconf->ipv4_lookup_struct, dip, dprt, portid);
+ } else {
+ dst.m = dip;
+ dprt[0] = get_dst_port(qconf, pkt[0], dst.u32[0], portid);
+ dprt[1] = get_dst_port(qconf, pkt[1], dst.u32[1], portid);
+ dprt[2] = get_dst_port(qconf, pkt[2], dst.u32[2], portid);
+ dprt[3] = get_dst_port(qconf, pkt[3], dst.u32[3], portid);
+ }
+}
+/*
+ * Update source and destination MAC addresses in the ethernet header.
+ * Perform RFC1812 checks and updates for IPV4 packets.
+ */
+static inline void
+processx4_step3(struct rte_mbuf *pkt[FWDSTEP], uint16_t dst_port[FWDSTEP])
+{
+ __m128i te[FWDSTEP];
+ __m128i ve[FWDSTEP];
+ __m128i *p[FWDSTEP];
+
+ p[0] = (rte_pktmbuf_mtod(pkt[0], __m128i *));
+ p[1] = (rte_pktmbuf_mtod(pkt[1], __m128i *));
+ p[2] = (rte_pktmbuf_mtod(pkt[2], __m128i *));
+ p[3] = (rte_pktmbuf_mtod(pkt[3], __m128i *));
+
+ ve[0] = val_eth[dst_port[0]];
+ te[0] = _mm_load_si128(p[0]);
+
+ ve[1] = val_eth[dst_port[1]];
+ te[1] = _mm_load_si128(p[1]);
+
+ ve[2] = val_eth[dst_port[2]];
+ te[2] = _mm_load_si128(p[2]);
+
+ ve[3] = val_eth[dst_port[3]];
+ te[3] = _mm_load_si128(p[3]);
+
+ /* Update first 12 bytes, keep rest bytes intact. */
+ te[0] = _mm_blend_epi16(te[0], ve[0], MASK_ETH);
+ te[1] = _mm_blend_epi16(te[1], ve[1], MASK_ETH);
+ te[2] = _mm_blend_epi16(te[2], ve[2], MASK_ETH);
+ te[3] = _mm_blend_epi16(te[3], ve[3], MASK_ETH);
+
+ _mm_store_si128(p[0], te[0]);
+ _mm_store_si128(p[1], te[1]);
+ _mm_store_si128(p[2], te[2]);
+ _mm_store_si128(p[3], te[3]);
+
+ rfc1812_process((struct ipv4_hdr *)((struct ether_hdr *)p[0] + 1),
+ &dst_port[0], pkt[0]->ol_flags);
+ rfc1812_process((struct ipv4_hdr *)((struct ether_hdr *)p[1] + 1),
+ &dst_port[1], pkt[1]->ol_flags);
+ rfc1812_process((struct ipv4_hdr *)((struct ether_hdr *)p[2] + 1),
+ &dst_port[2], pkt[2]->ol_flags);
+ rfc1812_process((struct ipv4_hdr *)((struct ether_hdr *)p[3] + 1),
+ &dst_port[3], pkt[3]->ol_flags);
}
+/*
+ * We group consecutive packets with the same destionation port into one burst.
+ * To avoid extra latency this is done together with some other packet
+ * processing, but after we made a final decision about packet's destination.
+ * To do this we maintain:
+ * pnum - array of number of consecutive packets with the same dest port for
+ * each packet in the input burst.
+ * lp - pointer to the last updated element in the pnum.
+ * dlp - dest port value lp corresponds to.
+ */
+
+#define GRPSZ (1 << FWDSTEP)
+#define GRPMSK (GRPSZ - 1)
+
+#define GROUP_PORT_STEP(dlp, dcp, lp, pn, idx) do { \
+ if (likely((dlp) == (dcp)[(idx)])) { \
+ (lp)[0]++; \
+ } else { \
+ (dlp) = (dcp)[idx]; \
+ (lp) = (pn) + (idx); \
+ (lp)[0] = 1; \
+ } \
+} while (0)
+
+/*
+ * Group consecutive packets with the same destination port in bursts of 4.
+ * Suppose we have array of destionation ports:
+ * dst_port[] = {a, b, c, d,, e, ... }
+ * dp1 should contain: <a, b, c, d>, dp2: <b, c, d, e>.
+ * We doing 4 comparisions at once and the result is 4 bit mask.
+ * This mask is used as an index into prebuild array of pnum values.
+ */
+static inline uint16_t *
+port_groupx4(uint16_t pn[FWDSTEP + 1], uint16_t *lp, __m128i dp1, __m128i dp2)
+{
+ static const struct {
+ uint64_t pnum; /* prebuild 4 values for pnum[]. */
+ int32_t idx; /* index for new last updated elemnet. */
+ uint16_t lpv; /* add value to the last updated element. */
+ } gptbl[GRPSZ] = {
+ {
+ /* 0: a != b, b != c, c != d, d != e */
+ .pnum = UINT64_C(0x0001000100010001),
+ .idx = 4,
+ .lpv = 0,
+ },
+ {
+ /* 1: a == b, b != c, c != d, d != e */
+ .pnum = UINT64_C(0x0001000100010002),
+ .idx = 4,
+ .lpv = 1,
+ },
+ {
+ /* 2: a != b, b == c, c != d, d != e */
+ .pnum = UINT64_C(0x0001000100020001),
+ .idx = 4,
+ .lpv = 0,
+ },
+ {
+ /* 3: a == b, b == c, c != d, d != e */
+ .pnum = UINT64_C(0x0001000100020003),
+ .idx = 4,
+ .lpv = 2,
+ },
+ {
+ /* 4: a != b, b != c, c == d, d != e */
+ .pnum = UINT64_C(0x0001000200010001),
+ .idx = 4,
+ .lpv = 0,
+ },
+ {
+ /* 5: a == b, b != c, c == d, d != e */
+ .pnum = UINT64_C(0x0001000200010002),
+ .idx = 4,
+ .lpv = 1,
+ },
+ {
+ /* 6: a != b, b == c, c == d, d != e */
+ .pnum = UINT64_C(0x0001000200030001),
+ .idx = 4,
+ .lpv = 0,
+ },
+ {
+ /* 7: a == b, b == c, c == d, d != e */
+ .pnum = UINT64_C(0x0001000200030004),
+ .idx = 4,
+ .lpv = 3,
+ },
+ {
+ /* 8: a != b, b != c, c != d, d == e */
+ .pnum = UINT64_C(0x0002000100010001),
+ .idx = 3,
+ .lpv = 0,
+ },
+ {
+ /* 9: a == b, b != c, c != d, d == e */
+ .pnum = UINT64_C(0x0002000100010002),
+ .idx = 3,
+ .lpv = 1,
+ },
+ {
+ /* 0xa: a != b, b == c, c != d, d == e */
+ .pnum = UINT64_C(0x0002000100020001),
+ .idx = 3,
+ .lpv = 0,
+ },
+ {
+ /* 0xb: a == b, b == c, c != d, d == e */
+ .pnum = UINT64_C(0x0002000100020003),
+ .idx = 3,
+ .lpv = 2,
+ },
+ {
+ /* 0xc: a != b, b != c, c == d, d == e */
+ .pnum = UINT64_C(0x0002000300010001),
+ .idx = 2,
+ .lpv = 0,
+ },
+ {
+ /* 0xd: a == b, b != c, c == d, d == e */
+ .pnum = UINT64_C(0x0002000300010002),
+ .idx = 2,
+ .lpv = 1,
+ },
+ {
+ /* 0xe: a != b, b == c, c == d, d == e */
+ .pnum = UINT64_C(0x0002000300040001),
+ .idx = 1,
+ .lpv = 0,
+ },
+ {
+ /* 0xf: a == b, b == c, c == d, d == e */
+ .pnum = UINT64_C(0x0002000300040005),
+ .idx = 0,
+ .lpv = 4,
+ },
+ };
+
+ union {
+ uint16_t u16[FWDSTEP + 1];
+ uint64_t u64;
+ } *pnum = (void *)pn;
+
+ int32_t v;
+
+ dp1 = _mm_cmpeq_epi16(dp1, dp2);
+ dp1 = _mm_unpacklo_epi16(dp1, dp1);
+ v = _mm_movemask_ps((__m128)dp1);
+
+ /* update last port counter. */
+ lp[0] += gptbl[v].lpv;
+
+ /* if dest port value has changed. */
+ if (v != GRPMSK) {
+ lp = pnum->u16 + gptbl[v].idx;
+ lp[0] = 1;
+ pnum->u64 = gptbl[v].pnum;
+ }
+
+ return lp;
+}
+
+#endif /* APP_LOOKUP_METHOD */
+
/* main processing loop */
-static __attribute__((noreturn)) int
+static int
main_loop(__attribute__((unused)) void *dummy)
{
struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
unsigned lcore_id;
- uint64_t prev_tsc = 0;
- uint64_t diff_tsc, cur_tsc;
+ uint64_t prev_tsc, diff_tsc, cur_tsc;
int i, j, nb_rx;
uint8_t portid, queueid;
struct lcore_conf *qconf;
+ const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
+ US_PER_S * BURST_TX_DRAIN_US;
+
+#if ((APP_LOOKUP_METHOD == APP_LOOKUP_LPM) && \
+ (ENABLE_MULTI_BUFFER_OPTIMIZE == 1))
+ int32_t k;
+ uint16_t dlp;
+ uint16_t *lp;
+ uint16_t dst_port[MAX_PKT_BURST];
+ __m128i dip[MAX_PKT_BURST / FWDSTEP];
+ uint32_t flag[MAX_PKT_BURST / FWDSTEP];
+ uint16_t pnum[MAX_PKT_BURST + 1];
+#endif
+
+ prev_tsc = 0;
lcore_id = rte_lcore_id();
qconf = &lcore_conf[lcore_id];
if (qconf->n_rx_queue == 0) {
RTE_LOG(INFO, L3FWD, "lcore %u has nothing to do\n", lcore_id);
- while(1);
+ return 0;
}
RTE_LOG(INFO, L3FWD, "entering main loop on lcore %u\n", lcore_id);
* TX burst queue drain
*/
diff_tsc = cur_tsc - prev_tsc;
- if (unlikely(diff_tsc > BURST_TX_DRAIN)) {
+ if (unlikely(diff_tsc > drain_tsc)) {
/*
* This could be optimized (use queueid instead of
* portid), but it is not called so often
*/
- for (portid = 0; portid < MAX_PORTS; portid++) {
+ for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
if (qconf->tx_mbufs[portid].len == 0)
continue;
- send_burst(&lcore_conf[lcore_id],
+ send_burst(qconf,
qconf->tx_mbufs[portid].len,
portid);
qconf->tx_mbufs[portid].len = 0;
* Read packet from RX queues
*/
for (i = 0; i < qconf->n_rx_queue; ++i) {
-
portid = qconf->rx_queue_list[i].port_id;
queueid = qconf->rx_queue_list[i].queue_id;
- nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst, MAX_PKT_BURST);
+ nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
+ MAX_PKT_BURST);
+ if (nb_rx == 0)
+ continue;
+
+#if (ENABLE_MULTI_BUFFER_OPTIMIZE == 1)
+#if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
+ {
+ /*
+ * Send nb_rx - nb_rx%4 packets
+ * in groups of 4.
+ */
+ int32_t n = RTE_ALIGN_FLOOR(nb_rx, 4);
+ for (j = 0; j < n ; j+=4) {
+ uint32_t ol_flag = pkts_burst[j]->ol_flags
+ & pkts_burst[j+1]->ol_flags
+ & pkts_burst[j+2]->ol_flags
+ & pkts_burst[j+3]->ol_flags;
+ if (ol_flag & PKT_RX_IPV4_HDR ) {
+ simple_ipv4_fwd_4pkts(&pkts_burst[j],
+ portid, qconf);
+ } else if (ol_flag & PKT_RX_IPV6_HDR) {
+ simple_ipv6_fwd_4pkts(&pkts_burst[j],
+ portid, qconf);
+ } else {
+ l3fwd_simple_forward(pkts_burst[j],
+ portid, qconf);
+ l3fwd_simple_forward(pkts_burst[j+1],
+ portid, qconf);
+ l3fwd_simple_forward(pkts_burst[j+2],
+ portid, qconf);
+ l3fwd_simple_forward(pkts_burst[j+3],
+ portid, qconf);
+ }
+ }
+ for (; j < nb_rx ; j++) {
+ l3fwd_simple_forward(pkts_burst[j],
+ portid, qconf);
+ }
+ }
+#elif (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
+
+ k = RTE_ALIGN_FLOOR(nb_rx, FWDSTEP);
+ for (j = 0; j != k; j += FWDSTEP) {
+ processx4_step1(&pkts_burst[j],
+ &dip[j / FWDSTEP],
+ &flag[j / FWDSTEP]);
+ }
+
+ k = RTE_ALIGN_FLOOR(nb_rx, FWDSTEP);
+ for (j = 0; j != k; j += FWDSTEP) {
+ processx4_step2(qconf, dip[j / FWDSTEP],
+ flag[j / FWDSTEP], portid,
+ &pkts_burst[j], &dst_port[j]);
+ }
+
+ /*
+ * Finish packet processing and group consecutive
+ * packets with the same destination port.
+ */
+ k = RTE_ALIGN_FLOOR(nb_rx, FWDSTEP);
+ if (k != 0) {
+ __m128i dp1, dp2;
+
+ lp = pnum;
+ lp[0] = 1;
+
+ processx4_step3(pkts_burst, dst_port);
+
+ /* dp1: <d[0], d[1], d[2], d[3], ... > */
+ dp1 = _mm_loadu_si128((__m128i *)dst_port);
+
+ for (j = FWDSTEP; j != k; j += FWDSTEP) {
+ processx4_step3(&pkts_burst[j],
+ &dst_port[j]);
+
+ /*
+ * dp2:
+ * <d[j-3], d[j-2], d[j-1], d[j], ... >
+ */
+ dp2 = _mm_loadu_si128((__m128i *)
+ &dst_port[j - FWDSTEP + 1]);
+ lp = port_groupx4(&pnum[j - FWDSTEP],
+ lp, dp1, dp2);
+
+ /*
+ * dp1:
+ * <d[j], d[j+1], d[j+2], d[j+3], ... >
+ */
+ dp1 = _mm_srli_si128(dp2,
+ (FWDSTEP - 1) *
+ sizeof(dst_port[0]));
+ }
+
+ /*
+ * dp2: <d[j-3], d[j-2], d[j-1], d[j-1], ... >
+ */
+ dp2 = _mm_shufflelo_epi16(dp1, 0xf9);
+ lp = port_groupx4(&pnum[j - FWDSTEP], lp,
+ dp1, dp2);
+
+ /*
+ * remove values added by the last repeated
+ * dst port.
+ */
+ lp[0]--;
+ dlp = dst_port[j - 1];
+ } else {
+ /* set dlp and lp to the never used values. */
+ dlp = BAD_PORT - 1;
+ lp = pnum + MAX_PKT_BURST;
+ }
+
+ /* Process up to last 3 packets one by one. */
+ switch (nb_rx % FWDSTEP) {
+ case 3:
+ process_packet(qconf, pkts_burst[j],
+ dst_port + j, portid);
+ GROUP_PORT_STEP(dlp, dst_port, lp, pnum, j);
+ j++;
+ case 2:
+ process_packet(qconf, pkts_burst[j],
+ dst_port + j, portid);
+ GROUP_PORT_STEP(dlp, dst_port, lp, pnum, j);
+ j++;
+ case 1:
+ process_packet(qconf, pkts_burst[j],
+ dst_port + j, portid);
+ GROUP_PORT_STEP(dlp, dst_port, lp, pnum, j);
+ j++;
+ }
+
+ /*
+ * Send packets out, through destination port.
+ * Consecuteve pacekts with the same destination port
+ * are already grouped together.
+ * If destination port for the packet equals BAD_PORT,
+ * then free the packet without sending it out.
+ */
+ for (j = 0; j < nb_rx; j += k) {
+
+ int32_t m;
+ uint16_t pn;
+
+ pn = dst_port[j];
+ k = pnum[j];
+
+ if (likely(pn != BAD_PORT)) {
+ send_packetsx4(qconf, pn,
+ pkts_burst + j, k);
+ } else {
+ for (m = j; m != j + k; m++)
+ rte_pktmbuf_free(pkts_burst[m]);
+ }
+ }
+
+#endif /* APP_LOOKUP_METHOD */
+#else /* ENABLE_MULTI_BUFFER_OPTIMIZE == 0 */
/* Prefetch first packets */
for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) {
for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
j + PREFETCH_OFFSET], void *));
- l3fwd_simple_forward(pkts_burst[j], portid, qconf->lookup_struct);
+ l3fwd_simple_forward(pkts_burst[j], portid,
+ qconf);
}
/* Forward remaining prefetched packets */
for (; j < nb_rx; j++) {
- l3fwd_simple_forward(pkts_burst[j], portid, qconf->lookup_struct);
+ l3fwd_simple_forward(pkts_burst[j], portid,
+ qconf);
}
+#endif /* ENABLE_MULTI_BUFFER_OPTIMIZE */
+
}
}
}
print_usage(const char *prgname)
{
printf ("%s [EAL options] -- -p PORTMASK -P"
- " [--config (port,queue,lcore)[,(port,queue,lcore]]\n"
+ " [--config (port,queue,lcore)[,(port,queue,lcore]]"
+ " [--enable-jumbo [--max-pkt-len PKTLEN]]\n"
" -p PORTMASK: hexadecimal bitmask of ports to configure\n"
+ " -P : enable promiscuous mode\n"
" --config (port,queue,lcore): rx queues configuration\n"
- " --no-numa: optional, disable numa awareness\n",
+ " --no-numa: optional, disable numa awareness\n"
+ " --ipv6: optional, specify it if running ipv6 packets\n"
+ " --enable-jumbo: enable jumbo frame"
+ " which max packet len is PKTLEN in decimal (64-9600)\n"
+ " --hash-entry-num: specify the hash entry number in hexadecimal to be setup\n",
prgname);
}
+static int parse_max_pkt_len(const char *pktlen)
+{
+ char *end = NULL;
+ unsigned long len;
+
+ /* parse decimal string */
+ len = strtoul(pktlen, &end, 10);
+ if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
+ return -1;
+
+ if (len == 0)
+ return -1;
+
+ return len;
+}
+
static int
parse_portmask(const char *portmask)
{
return pm;
}
+#if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
+static int
+parse_hash_entry_number(const char *hash_entry_num)
+{
+ char *end = NULL;
+ unsigned long hash_en;
+ /* parse hexadecimal string */
+ hash_en = strtoul(hash_entry_num, &end, 16);
+ if ((hash_entry_num[0] == '\0') || (end == NULL) || (*end != '\0'))
+ return -1;
+
+ if (hash_en == 0)
+ return -1;
+
+ return hash_en;
+}
+#endif
+
static int
parse_config(const char *q_arg)
{
if(size >= sizeof(s))
return -1;
- rte_snprintf(s, sizeof(s), "%.*s", size, p);
+ 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++){
return 0;
}
+#define CMD_LINE_OPT_CONFIG "config"
+#define CMD_LINE_OPT_NO_NUMA "no-numa"
+#define CMD_LINE_OPT_IPV6 "ipv6"
+#define CMD_LINE_OPT_ENABLE_JUMBO "enable-jumbo"
+#define CMD_LINE_OPT_HASH_ENTRY_NUM "hash-entry-num"
+
/* Parse the argument given in the command line of the application */
static int
parse_args(int argc, char **argv)
int option_index;
char *prgname = argv[0];
static struct option lgopts[] = {
- {"config", 1, 0, 0},
- {"no-numa", 0, 0, 0},
+ {CMD_LINE_OPT_CONFIG, 1, 0, 0},
+ {CMD_LINE_OPT_NO_NUMA, 0, 0, 0},
+ {CMD_LINE_OPT_IPV6, 0, 0, 0},
+ {CMD_LINE_OPT_ENABLE_JUMBO, 0, 0, 0},
+ {CMD_LINE_OPT_HASH_ENTRY_NUM, 1, 0, 0},
{NULL, 0, 0, 0}
};
/* long options */
case 0:
- if (!strcmp(lgopts[option_index].name, "config")) {
+ if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_CONFIG,
+ sizeof (CMD_LINE_OPT_CONFIG))) {
ret = parse_config(optarg);
if (ret) {
printf("invalid config\n");
}
}
- if (!strcmp(lgopts[option_index].name, "no-numa")) {
+ if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_NO_NUMA,
+ sizeof(CMD_LINE_OPT_NO_NUMA))) {
printf("numa is disabled \n");
numa_on = 0;
}
+
+#if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
+ if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_IPV6,
+ sizeof(CMD_LINE_OPT_IPV6))) {
+ printf("ipv6 is specified \n");
+ ipv6 = 1;
+ }
+#endif
+
+ if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_ENABLE_JUMBO,
+ sizeof (CMD_LINE_OPT_ENABLE_JUMBO))) {
+ struct option lenopts = {"max-pkt-len", required_argument, 0, 0};
+
+ printf("jumbo frame is enabled - disabling simple TX path\n");
+ port_conf.rxmode.jumbo_frame = 1;
+ tx_conf.txq_flags = 0;
+
+ /* if no max-pkt-len set, use the default value ETHER_MAX_LEN */
+ if (0 == getopt_long(argc, argvopt, "", &lenopts, &option_index)) {
+ ret = parse_max_pkt_len(optarg);
+ if ((ret < 64) || (ret > MAX_JUMBO_PKT_LEN)){
+ printf("invalid packet length\n");
+ print_usage(prgname);
+ return -1;
+ }
+ port_conf.rxmode.max_rx_pkt_len = ret;
+ }
+ printf("set jumbo frame max packet length to %u\n",
+ (unsigned int)port_conf.rxmode.max_rx_pkt_len);
+ }
+#if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
+ if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_HASH_ENTRY_NUM,
+ sizeof(CMD_LINE_OPT_HASH_ENTRY_NUM))) {
+ ret = parse_hash_entry_number(optarg);
+ if ((ret > 0) && (ret <= L3FWD_HASH_ENTRIES)) {
+ hash_entry_number = ret;
+ } else {
+ printf("invalid hash entry number\n");
+ print_usage(prgname);
+ return -1;
+ }
+ }
+#endif
break;
default:
}
#if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
+
+static void convert_ipv4_5tuple(struct ipv4_5tuple* key1,
+ union ipv4_5tuple_host* key2)
+{
+ key2->ip_dst = rte_cpu_to_be_32(key1->ip_dst);
+ key2->ip_src = rte_cpu_to_be_32(key1->ip_src);
+ key2->port_dst = rte_cpu_to_be_16(key1->port_dst);
+ key2->port_src = rte_cpu_to_be_16(key1->port_src);
+ key2->proto = key1->proto;
+ key2->pad0 = 0;
+ key2->pad1 = 0;
+ return;
+}
+
+static void convert_ipv6_5tuple(struct ipv6_5tuple* key1,
+ union ipv6_5tuple_host* key2)
+{
+ uint32_t i;
+ for (i = 0; i < 16; i++)
+ {
+ key2->ip_dst[i] = key1->ip_dst[i];
+ key2->ip_src[i] = key1->ip_src[i];
+ }
+ key2->port_dst = rte_cpu_to_be_16(key1->port_dst);
+ key2->port_src = rte_cpu_to_be_16(key1->port_src);
+ key2->proto = key1->proto;
+ key2->pad0 = 0;
+ key2->pad1 = 0;
+ key2->reserve = 0;
+ return;
+}
+
+#define BYTE_VALUE_MAX 256
+#define ALL_32_BITS 0xffffffff
+#define BIT_8_TO_15 0x0000ff00
+static inline void
+populate_ipv4_few_flow_into_table(const struct rte_hash* h)
+{
+ uint32_t i;
+ int32_t ret;
+ uint32_t array_len = sizeof(ipv4_l3fwd_route_array)/sizeof(ipv4_l3fwd_route_array[0]);
+
+ mask0 = _mm_set_epi32(ALL_32_BITS, ALL_32_BITS, ALL_32_BITS, BIT_8_TO_15);
+ for (i = 0; i < array_len; i++) {
+ struct ipv4_l3fwd_route entry;
+ union ipv4_5tuple_host newkey;
+ entry = ipv4_l3fwd_route_array[i];
+ convert_ipv4_5tuple(&entry.key, &newkey);
+ ret = rte_hash_add_key (h,(void *) &newkey);
+ if (ret < 0) {
+ rte_exit(EXIT_FAILURE, "Unable to add entry %" PRIu32
+ " to the l3fwd hash.\n", i);
+ }
+ ipv4_l3fwd_out_if[ret] = entry.if_out;
+ }
+ printf("Hash: Adding 0x%" PRIx32 " keys\n", array_len);
+}
+
+#define BIT_16_TO_23 0x00ff0000
+static inline void
+populate_ipv6_few_flow_into_table(const struct rte_hash* h)
+{
+ uint32_t i;
+ int32_t ret;
+ uint32_t array_len = sizeof(ipv6_l3fwd_route_array)/sizeof(ipv6_l3fwd_route_array[0]);
+
+ mask1 = _mm_set_epi32(ALL_32_BITS, ALL_32_BITS, ALL_32_BITS, BIT_16_TO_23);
+ mask2 = _mm_set_epi32(0, 0, ALL_32_BITS, ALL_32_BITS);
+ for (i = 0; i < array_len; i++) {
+ struct ipv6_l3fwd_route entry;
+ union ipv6_5tuple_host newkey;
+ entry = ipv6_l3fwd_route_array[i];
+ convert_ipv6_5tuple(&entry.key, &newkey);
+ ret = rte_hash_add_key (h, (void *) &newkey);
+ if (ret < 0) {
+ rte_exit(EXIT_FAILURE, "Unable to add entry %" PRIu32
+ " to the l3fwd hash.\n", i);
+ }
+ ipv6_l3fwd_out_if[ret] = entry.if_out;
+ }
+ printf("Hash: Adding 0x%" PRIx32 "keys\n", array_len);
+}
+
+#define NUMBER_PORT_USED 4
+static inline void
+populate_ipv4_many_flow_into_table(const struct rte_hash* h,
+ unsigned int nr_flow)
+{
+ unsigned i;
+ mask0 = _mm_set_epi32(ALL_32_BITS, ALL_32_BITS, ALL_32_BITS, BIT_8_TO_15);
+ for (i = 0; i < nr_flow; i++) {
+ struct ipv4_l3fwd_route entry;
+ union ipv4_5tuple_host newkey;
+ uint8_t a = (uint8_t) ((i/NUMBER_PORT_USED)%BYTE_VALUE_MAX);
+ uint8_t b = (uint8_t) (((i/NUMBER_PORT_USED)/BYTE_VALUE_MAX)%BYTE_VALUE_MAX);
+ uint8_t c = (uint8_t) ((i/NUMBER_PORT_USED)/(BYTE_VALUE_MAX*BYTE_VALUE_MAX));
+ /* Create the ipv4 exact match flow */
+ memset(&entry, 0, sizeof(entry));
+ switch (i & (NUMBER_PORT_USED -1)) {
+ case 0:
+ entry = ipv4_l3fwd_route_array[0];
+ entry.key.ip_dst = IPv4(101,c,b,a);
+ break;
+ case 1:
+ entry = ipv4_l3fwd_route_array[1];
+ entry.key.ip_dst = IPv4(201,c,b,a);
+ break;
+ case 2:
+ entry = ipv4_l3fwd_route_array[2];
+ entry.key.ip_dst = IPv4(111,c,b,a);
+ break;
+ case 3:
+ entry = ipv4_l3fwd_route_array[3];
+ entry.key.ip_dst = IPv4(211,c,b,a);
+ break;
+ };
+ convert_ipv4_5tuple(&entry.key, &newkey);
+ int32_t ret = rte_hash_add_key(h,(void *) &newkey);
+ if (ret < 0) {
+ rte_exit(EXIT_FAILURE, "Unable to add entry %u\n", i);
+ }
+ ipv4_l3fwd_out_if[ret] = (uint8_t) entry.if_out;
+
+ }
+ printf("Hash: Adding 0x%x keys\n", nr_flow);
+}
+
+static inline void
+populate_ipv6_many_flow_into_table(const struct rte_hash* h,
+ unsigned int nr_flow)
+{
+ unsigned i;
+ mask1 = _mm_set_epi32(ALL_32_BITS, ALL_32_BITS, ALL_32_BITS, BIT_16_TO_23);
+ mask2 = _mm_set_epi32(0, 0, ALL_32_BITS, ALL_32_BITS);
+ for (i = 0; i < nr_flow; i++) {
+ struct ipv6_l3fwd_route entry;
+ union ipv6_5tuple_host newkey;
+ uint8_t a = (uint8_t) ((i/NUMBER_PORT_USED)%BYTE_VALUE_MAX);
+ uint8_t b = (uint8_t) (((i/NUMBER_PORT_USED)/BYTE_VALUE_MAX)%BYTE_VALUE_MAX);
+ uint8_t c = (uint8_t) ((i/NUMBER_PORT_USED)/(BYTE_VALUE_MAX*BYTE_VALUE_MAX));
+ /* Create the ipv6 exact match flow */
+ memset(&entry, 0, sizeof(entry));
+ switch (i & (NUMBER_PORT_USED - 1)) {
+ case 0: entry = ipv6_l3fwd_route_array[0]; break;
+ case 1: entry = ipv6_l3fwd_route_array[1]; break;
+ case 2: entry = ipv6_l3fwd_route_array[2]; break;
+ case 3: entry = ipv6_l3fwd_route_array[3]; break;
+ };
+ entry.key.ip_dst[13] = c;
+ entry.key.ip_dst[14] = b;
+ entry.key.ip_dst[15] = a;
+ convert_ipv6_5tuple(&entry.key, &newkey);
+ int32_t ret = rte_hash_add_key(h,(void *) &newkey);
+ if (ret < 0) {
+ rte_exit(EXIT_FAILURE, "Unable to add entry %u\n", i);
+ }
+ ipv6_l3fwd_out_if[ret] = (uint8_t) entry.if_out;
+
+ }
+ printf("Hash: Adding 0x%x keys\n", nr_flow);
+}
+
static void
setup_hash(int socketid)
{
- unsigned i;
- int ret;
- char s[64];
+ struct rte_hash_parameters ipv4_l3fwd_hash_params = {
+ .name = NULL,
+ .entries = L3FWD_HASH_ENTRIES,
+ .bucket_entries = 4,
+ .key_len = sizeof(union ipv4_5tuple_host),
+ .hash_func = ipv4_hash_crc,
+ .hash_func_init_val = 0,
+ };
+
+ struct rte_hash_parameters ipv6_l3fwd_hash_params = {
+ .name = NULL,
+ .entries = L3FWD_HASH_ENTRIES,
+ .bucket_entries = 4,
+ .key_len = sizeof(union ipv6_5tuple_host),
+ .hash_func = ipv6_hash_crc,
+ .hash_func_init_val = 0,
+ };
+
+ char s[64];
+
+ /* create ipv4 hash */
+ snprintf(s, sizeof(s), "ipv4_l3fwd_hash_%d", socketid);
+ ipv4_l3fwd_hash_params.name = s;
+ ipv4_l3fwd_hash_params.socket_id = socketid;
+ ipv4_l3fwd_lookup_struct[socketid] = rte_hash_create(&ipv4_l3fwd_hash_params);
+ if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
+ rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
+ "socket %d\n", socketid);
- /* create hashes */
- rte_snprintf(s, sizeof(s), "l3fwd_hash_%d", socketid);
- l3fwd_hash_params.name = s;
- l3fwd_hash_params.socket_id = socketid;
- l3fwd_lookup_struct[socketid] = rte_hash_create(&l3fwd_hash_params);
- if (l3fwd_lookup_struct[socketid] == NULL)
+ /* create ipv6 hash */
+ snprintf(s, sizeof(s), "ipv6_l3fwd_hash_%d", socketid);
+ ipv6_l3fwd_hash_params.name = s;
+ ipv6_l3fwd_hash_params.socket_id = socketid;
+ ipv6_l3fwd_lookup_struct[socketid] = rte_hash_create(&ipv6_l3fwd_hash_params);
+ if (ipv6_l3fwd_lookup_struct[socketid] == NULL)
rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
"socket %d\n", socketid);
- /* populate the hash */
- for (i = 0; i < L3FWD_NUM_ROUTES; i++) {
- ret = rte_hash_add_key (l3fwd_lookup_struct[socketid],
- (void *) &l3fwd_route_array[i].key);
- if (ret < 0) {
- rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
- "l3fwd hash on socket %d\n", i, socketid);
+ if (hash_entry_number != HASH_ENTRY_NUMBER_DEFAULT) {
+ /* For testing hash matching with a large number of flows we
+ * generate millions of IP 5-tuples with an incremented dst
+ * address to initialize the hash table. */
+ if (ipv6 == 0) {
+ /* populate the ipv4 hash */
+ populate_ipv4_many_flow_into_table(
+ ipv4_l3fwd_lookup_struct[socketid], hash_entry_number);
+ } else {
+ /* populate the ipv6 hash */
+ populate_ipv6_many_flow_into_table(
+ ipv6_l3fwd_lookup_struct[socketid], hash_entry_number);
+ }
+ } else {
+ /* Use data in ipv4/ipv6 l3fwd lookup table directly to initialize the hash table */
+ if (ipv6 == 0) {
+ /* populate the ipv4 hash */
+ populate_ipv4_few_flow_into_table(ipv4_l3fwd_lookup_struct[socketid]);
+ } else {
+ /* populate the ipv6 hash */
+ populate_ipv6_few_flow_into_table(ipv6_l3fwd_lookup_struct[socketid]);
}
- l3fwd_out_if[ret] = l3fwd_route_array[i].if_out;
- printf("Hash: Adding key\n");
- print_key(l3fwd_route_array[i].key);
}
}
#endif
static void
setup_lpm(int socketid)
{
+ struct rte_lpm6_config config;
unsigned i;
int ret;
char s[64];
/* create the LPM table */
- rte_snprintf(s, sizeof(s), "L3FWD_LPM_%d", socketid);
- l3fwd_lookup_struct[socketid] = rte_lpm_create(s, socketid,
- L3FWD_LPM_MAX_RULES, RTE_LPM_MEMZONE);
- if (l3fwd_lookup_struct[socketid] == NULL)
+ snprintf(s, sizeof(s), "IPV4_L3FWD_LPM_%d", socketid);
+ ipv4_l3fwd_lookup_struct[socketid] = rte_lpm_create(s, socketid,
+ IPV4_L3FWD_LPM_MAX_RULES, 0);
+ if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table"
" on socket %d\n", socketid);
/* populate the LPM table */
- for (i = 0; i < L3FWD_NUM_ROUTES; i++) {
- ret = rte_lpm_add(l3fwd_lookup_struct[socketid],
- l3fwd_route_array[i].ip,
- l3fwd_route_array[i].depth,
- l3fwd_route_array[i].if_out);
+ for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
+
+ /* skip unused ports */
+ if ((1 << ipv4_l3fwd_route_array[i].if_out &
+ enabled_port_mask) == 0)
+ continue;
+
+ ret = rte_lpm_add(ipv4_l3fwd_lookup_struct[socketid],
+ ipv4_l3fwd_route_array[i].ip,
+ ipv4_l3fwd_route_array[i].depth,
+ ipv4_l3fwd_route_array[i].if_out);
if (ret < 0) {
rte_exit(EXIT_FAILURE, "Unable to add entry %u to the "
}
printf("LPM: Adding route 0x%08x / %d (%d)\n",
- (unsigned)l3fwd_route_array[i].ip,
- l3fwd_route_array[i].depth,
- l3fwd_route_array[i].if_out);
+ (unsigned)ipv4_l3fwd_route_array[i].ip,
+ ipv4_l3fwd_route_array[i].depth,
+ ipv4_l3fwd_route_array[i].if_out);
+ }
+
+ /* create the LPM6 table */
+ snprintf(s, sizeof(s), "IPV6_L3FWD_LPM_%d", socketid);
+
+ config.max_rules = IPV6_L3FWD_LPM_MAX_RULES;
+ config.number_tbl8s = IPV6_L3FWD_LPM_NUMBER_TBL8S;
+ config.flags = 0;
+ ipv6_l3fwd_lookup_struct[socketid] = rte_lpm6_create(s, socketid,
+ &config);
+ if (ipv6_l3fwd_lookup_struct[socketid] == NULL)
+ rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table"
+ " on socket %d\n", socketid);
+
+ /* populate the LPM table */
+ for (i = 0; i < IPV6_L3FWD_NUM_ROUTES; i++) {
+
+ /* skip unused ports */
+ if ((1 << ipv6_l3fwd_route_array[i].if_out &
+ enabled_port_mask) == 0)
+ continue;
+
+ ret = rte_lpm6_add(ipv6_l3fwd_lookup_struct[socketid],
+ ipv6_l3fwd_route_array[i].ip,
+ ipv6_l3fwd_route_array[i].depth,
+ ipv6_l3fwd_route_array[i].if_out);
+
+ if (ret < 0) {
+ rte_exit(EXIT_FAILURE, "Unable to add entry %u to the "
+ "l3fwd LPM table on socket %d\n",
+ i, socketid);
+ }
+
+ printf("LPM: Adding route %s / %d (%d)\n",
+ "IPV6",
+ ipv6_l3fwd_route_array[i].depth,
+ ipv6_l3fwd_route_array[i].if_out);
}
}
#endif
static int
-init_mem(void)
+init_mem(unsigned nb_mbuf)
{
struct lcore_conf *qconf;
int socketid;
socketid, lcore_id, NB_SOCKETS);
}
if (pktmbuf_pool[socketid] == NULL) {
- rte_snprintf(s, sizeof(s), "mbuf_pool_%d", socketid);
+ snprintf(s, sizeof(s), "mbuf_pool_%d", socketid);
pktmbuf_pool[socketid] =
- rte_mempool_create(s, NB_MBUF, MBUF_SIZE, 32,
+ rte_mempool_create(s, nb_mbuf, MBUF_SIZE, MEMPOOL_CACHE_SIZE,
sizeof(struct rte_pktmbuf_pool_private),
rte_pktmbuf_pool_init, NULL,
rte_pktmbuf_init, NULL,
#endif
}
qconf = &lcore_conf[lcore_id];
- qconf->lookup_struct = l3fwd_lookup_struct[socketid];
+ qconf->ipv4_lookup_struct = ipv4_l3fwd_lookup_struct[socketid];
+ qconf->ipv6_lookup_struct = ipv6_l3fwd_lookup_struct[socketid];
}
return 0;
}
+/* 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,
+ (unsigned)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 == 0) {
+ 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");
+ }
+ }
+}
+
int
MAIN(int argc, char **argv)
{
struct lcore_conf *qconf;
- struct rte_eth_link link;
int ret;
unsigned nb_ports;
uint16_t queueid;
if (ret < 0)
rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
- ret = init_mem();
- if (ret < 0)
- rte_exit(EXIT_FAILURE, "init_mem failed\n");
-
- /* init driver */
-#ifdef RTE_LIBRTE_IGB_PMD
- if (rte_igb_pmd_init() < 0)
- rte_exit(EXIT_FAILURE, "Cannot init igb pmd\n");
-#endif
-#ifdef RTE_LIBRTE_IXGBE_PMD
- if (rte_ixgbe_pmd_init() < 0)
- rte_exit(EXIT_FAILURE, "Cannot init ixgbe pmd\n");
-#endif
if (rte_eal_pci_probe() < 0)
rte_exit(EXIT_FAILURE, "Cannot probe PCI\n");
nb_ports = rte_eth_dev_count();
- if (nb_ports > MAX_PORTS)
- nb_ports = MAX_PORTS;
+ if (nb_ports > RTE_MAX_ETHPORTS)
+ nb_ports = RTE_MAX_ETHPORTS;
if (check_port_config(nb_ports) < 0)
rte_exit(EXIT_FAILURE, "check_port_config failed\n");
print_ethaddr(" Address:", &ports_eth_addr[portid]);
printf(", ");
+ /*
+ * prepare dst and src MACs for each port.
+ */
+ *(uint64_t *)(val_eth + portid) =
+ ETHER_LOCAL_ADMIN_ADDR + ((uint64_t)portid << 40);
+ ether_addr_copy(&ports_eth_addr[portid],
+ (struct ether_addr *)(val_eth + portid) + 1);
+
+ /* init memory */
+ ret = init_mem(NB_MBUF);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "init_mem failed\n");
/* init one TX queue per couple (lcore,port) */
queueid = 0;
fflush(stdout);
ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
- socketid, &rx_conf, pktmbuf_pool[socketid]);
+ socketid, &rx_conf, pktmbuf_pool[socketid]);
if (ret < 0)
rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: err=%d,"
"port=%d\n", ret, portid);
rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, port=%d\n",
ret, portid);
- printf("done: Port %d ", portid);
-
- /* get link status */
- rte_eth_link_get(portid, &link);
- if (link.link_status) {
- printf(" Link Up - speed %u Mbps - %s\n",
- (unsigned) link.link_speed,
- (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
- ("full-duplex") : ("half-duplex\n"));
- } else {
- printf(" Link Down\n");
- }
/*
* If enabled, put device in promiscuous mode.
* This allows IO forwarding mode to forward packets
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) {