#include <errno.h>
#include <getopt.h>
+#include <tmmintrin.h>
#include <rte_common.h>
#include <rte_byteorder.h>
#include <rte_log.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
+#define ENABLE_MULTI_BUFFER_OPTIMIZE 1
+
#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
#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 MAX_PKT_BURST 32
#define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
#define NB_SOCKETS 8
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];
.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 = 0x0,
+ .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__));
+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;
+ 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 ipv4_l3fwd_route ipv4_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},
+ {{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},
};
static struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = {
- {
- {
- {0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 0x05},
- {0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x02, 0x1e, 0x67, 0xff, 0xfe, 0x0d, 0xb6, 0x0a},
- 1, 10, IPPROTO_UDP
- }, 4
- },
+ {{
+ {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];
-#define L3FWD_HASH_ENTRIES 1024
+#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;
-struct rte_hash_parameters ipv4_l3fwd_hash_params = {
- .name = "ipv4_l3fwd_hash_0",
- .entries = L3FWD_HASH_ENTRIES,
- .bucket_entries = 4,
- .key_len = sizeof(struct ipv4_5tuple),
- .hash_func = DEFAULT_HASH_FUNC,
- .hash_func_init_val = 0,
- .socket_id = 0,
-};
+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;
-struct rte_hash_parameters ipv6_l3fwd_hash_params = {
- .name = "ipv6_l3fwd_hash_0",
- .entries = L3FWD_HASH_ENTRIES,
- .bucket_entries = 4,
- .key_len = sizeof(struct ipv6_5tuple),
- .hash_func = DEFAULT_HASH_FUNC,
- .hash_func_init_val = 0,
- .socket_id = 0,
-};
+ 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]))
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;
+
#endif
#if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
uint8_t if_out;
};
+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(8,1,1,0), 24, 7},
};
+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 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 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;
+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 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];
#endif
#if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
-static void
-print_ipv4_key(struct ipv4_5tuple key)
-{
- 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);
-}
-static void
-print_ipv6_key(struct ipv6_5tuple key)
-{
- printf( "IP dst = " IPv6_BYTES_FMT ", IP src = " IPv6_BYTES_FMT ", "
- "port dst = %d, port src = %d, proto = %d\n",
- IPv6_BYTES(key.ip_dst), IPv6_BYTES(key.ip_src),
- key.port_dst, key.port_src, key.proto);
-}
+static __m128i mask0;
+static __m128i mask1;
+static __m128i mask2;
static inline uint8_t
-get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint8_t portid, lookup_struct_t * ipv4_l3fwd_lookup_struct)
+get_ipv4_dst_port(void *ipv4_hdr, uint8_t portid, lookup_struct_t * ipv4_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;
- break;
- }
-
+ 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_ipv6_dst_port(struct ipv6_hdr *ipv6_hdr, uint8_t portid, lookup_struct_t * ipv6_l3fwd_lookup_struct)
+get_ipv6_dst_port(void *ipv6_hdr, uint8_t portid, lookup_struct_t * ipv6_l3fwd_lookup_struct)
{
- struct ipv6_5tuple key;
- struct tcp_hdr *tcp;
- struct udp_hdr *udp;
int ret = 0;
-
- memcpy(key.ip_dst, ipv6_hdr->dst_addr, IPV6_ADDR_LEN);
- memcpy(key.ip_src, ipv6_hdr->src_addr, IPV6_ADDR_LEN);
-
- key.proto = ipv6_hdr->proto;
-
- switch (ipv6_hdr->proto) {
- case IPPROTO_TCP:
- tcp = (struct tcp_hdr *)((unsigned char *) ipv6_hdr +
- sizeof(struct ipv6_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 *) ipv6_hdr +
- sizeof(struct ipv6_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;
- break;
- }
+ 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(ipv6_l3fwd_lookup_struct, (const void *)&key);
#if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
static inline uint8_t
-get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint8_t portid, lookup_struct_t * ipv4_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(ipv4_l3fwd_lookup_struct,
- rte_be_to_cpu_32(ipv4_hdr->dst_addr), &next_hop) == 0)?
+ 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
-static inline void
+#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
+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.pkt_len) < 0) {
+ rte_pktmbuf_free(m[0]);
+ valid_mask &= EXECLUDE_1ST_PKT;
+ }
+ if (is_valid_ipv4_pkt(ipv4_hdr[1], m[1]->pkt.pkt_len) < 0) {
+ rte_pktmbuf_free(m[1]);
+ valid_mask &= EXECLUDE_2ND_PKT;
+ }
+ if (is_valid_ipv4_pkt(ipv4_hdr[2], m[2]->pkt.pkt_len) < 0) {
+ rte_pktmbuf_free(m[2]);
+ valid_mask &= EXECLUDE_3RD_PKT;
+ }
+ if (is_valid_ipv4_pkt(ipv4_hdr[3], m[3]->pkt.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 // End of #if(APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)&(ENABLE_MULTI_BUFFER_OPTIMIZE == 1)
+
+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;
ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
send_single_packet(m, dst_port);
- }
- else {
+
+ } else {
/* Handle IPv6 headers.*/
-#if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
struct ipv6_hdr *ipv6_hdr;
ipv6_hdr = (struct ipv6_hdr *)(rte_pktmbuf_mtod(m, unsigned char *) +
ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
send_single_packet(m, dst_port);
-#else
- /* We don't currently handle IPv6 packets in LPM mode. */
- rte_pktmbuf_free(m);
-#endif
}
}
* 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);
-
+#if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) & (ENABLE_MULTI_BUFFER_OPTIMIZE == 1)
+ {
+ /* 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);
+ }
+ }
+#else
/* Prefetch first packets */
for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) {
rte_prefetch0(rte_pktmbuf_mtod(
for (; j < nb_rx; j++) {
l3fwd_simple_forward(pkts_burst[j], portid, qconf);
}
+#endif // End of #if((ENABLE_MULTI_BUFFER_OPTIMIZE == 1)&(APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH))
}
}
}
" -P : enable promiscuous mode\n"
" --config (port,queue,lcore): rx queues configuration\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",
+ " 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);
}
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)
{
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},
- {"enable-jumbo", 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 (!strncmp(lgopts[option_index].name, "config", 6)) {
+ 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 (!strncmp(lgopts[option_index].name, "no-numa", 7)) {
+ 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 (!strncmp(lgopts[option_index].name, "enable-jumbo", 12)) {
+#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 \n");
+ 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)) {
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 %u to the"
+ "l3fwd hash.\n", i);
+ }
+ ipv4_l3fwd_out_if[ret] = entry.if_out;
+ }
+ printf("Hash: Adding 0x%x 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 %u to the"
+ "l3fwd hash.\n", i);
+ }
+ ipv6_l3fwd_out_if[ret] = entry.if_out;
+ }
+ printf("Hash: Adding 0x%xkeys\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 */
+ 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 */
+ 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 */
rte_snprintf(s, sizeof(s), "ipv4_l3fwd_hash_%d", socketid);
rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
"socket %d\n", socketid);
-
- /* populate the ipv4 hash */
- for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
- ret = rte_hash_add_key (ipv4_l3fwd_lookup_struct[socketid],
- (void *) &ipv4_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);
}
- ipv4_l3fwd_out_if[ret] = ipv4_l3fwd_route_array[i].if_out;
- printf("Hash: Adding key\n");
- print_ipv4_key(ipv4_l3fwd_route_array[i].key);
- }
-
- /* populate the ipv6 hash */
- for (i = 0; i < IPV6_L3FWD_NUM_ROUTES; i++) {
- ret = rte_hash_add_key (ipv6_l3fwd_lookup_struct[socketid],
- (void *) &ipv6_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);
+ } 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]);
}
- ipv6_l3fwd_out_if[ret] = ipv6_l3fwd_route_array[i].if_out;
- printf("Hash: Adding key\n");
- print_ipv6_key(ipv6_l3fwd_route_array[i].key);
}
}
#endif
static void
setup_lpm(int socketid)
{
+ struct rte_lpm6_config config;
unsigned i;
int ret;
char s[64];
ipv4_l3fwd_route_array[i].depth,
ipv4_l3fwd_route_array[i].if_out);
}
+
+ /* create the LPM6 table */
+ rte_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++) {
+ 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
}
qconf = &lcore_conf[lcore_id];
qconf->ipv4_lookup_struct = ipv4_l3fwd_lookup_struct[socketid];
-#if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
qconf->ipv6_lookup_struct = ipv6_l3fwd_lookup_struct[socketid];
-#endif
}
return 0;
}
git.droids-corp.org / dpdk.git / commitdiff