35b2d13fd6
Add 'RTE_' prefix to defines: - rename ETHER_ADDR_LEN as RTE_ETHER_ADDR_LEN. - rename ETHER_TYPE_LEN as RTE_ETHER_TYPE_LEN. - rename ETHER_CRC_LEN as RTE_ETHER_CRC_LEN. - rename ETHER_HDR_LEN as RTE_ETHER_HDR_LEN. - rename ETHER_MIN_LEN as RTE_ETHER_MIN_LEN. - rename ETHER_MAX_LEN as RTE_ETHER_MAX_LEN. - rename ETHER_MTU as RTE_ETHER_MTU. - rename ETHER_MAX_VLAN_FRAME_LEN as RTE_ETHER_MAX_VLAN_FRAME_LEN. - rename ETHER_MAX_VLAN_ID as RTE_ETHER_MAX_VLAN_ID. - rename ETHER_MAX_JUMBO_FRAME_LEN as RTE_ETHER_MAX_JUMBO_FRAME_LEN. - rename ETHER_MIN_MTU as RTE_ETHER_MIN_MTU. - rename ETHER_LOCAL_ADMIN_ADDR as RTE_ETHER_LOCAL_ADMIN_ADDR. - rename ETHER_GROUP_ADDR as RTE_ETHER_GROUP_ADDR. - rename ETHER_TYPE_IPv4 as RTE_ETHER_TYPE_IPv4. - rename ETHER_TYPE_IPv6 as RTE_ETHER_TYPE_IPv6. - rename ETHER_TYPE_ARP as RTE_ETHER_TYPE_ARP. - rename ETHER_TYPE_VLAN as RTE_ETHER_TYPE_VLAN. - rename ETHER_TYPE_RARP as RTE_ETHER_TYPE_RARP. - rename ETHER_TYPE_QINQ as RTE_ETHER_TYPE_QINQ. - rename ETHER_TYPE_ETAG as RTE_ETHER_TYPE_ETAG. - rename ETHER_TYPE_1588 as RTE_ETHER_TYPE_1588. - rename ETHER_TYPE_SLOW as RTE_ETHER_TYPE_SLOW. - rename ETHER_TYPE_TEB as RTE_ETHER_TYPE_TEB. - rename ETHER_TYPE_LLDP as RTE_ETHER_TYPE_LLDP. - rename ETHER_TYPE_MPLS as RTE_ETHER_TYPE_MPLS. - rename ETHER_TYPE_MPLSM as RTE_ETHER_TYPE_MPLSM. - rename ETHER_VXLAN_HLEN as RTE_ETHER_VXLAN_HLEN. - rename ETHER_ADDR_FMT_SIZE as RTE_ETHER_ADDR_FMT_SIZE. - rename VXLAN_GPE_TYPE_IPV4 as RTE_VXLAN_GPE_TYPE_IPV4. - rename VXLAN_GPE_TYPE_IPV6 as RTE_VXLAN_GPE_TYPE_IPV6. - rename VXLAN_GPE_TYPE_ETH as RTE_VXLAN_GPE_TYPE_ETH. - rename VXLAN_GPE_TYPE_NSH as RTE_VXLAN_GPE_TYPE_NSH. - rename VXLAN_GPE_TYPE_MPLS as RTE_VXLAN_GPE_TYPE_MPLS. - rename VXLAN_GPE_TYPE_GBP as RTE_VXLAN_GPE_TYPE_GBP. - rename VXLAN_GPE_TYPE_VBNG as RTE_VXLAN_GPE_TYPE_VBNG. - rename ETHER_VXLAN_GPE_HLEN as RTE_ETHER_VXLAN_GPE_HLEN. Do not update the command line library to avoid adding a dependency to librte_net. Signed-off-by: Olivier Matz <olivier.matz@6wind.com> Reviewed-by: Stephen Hemminger <stephen@networkplumber.org> Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com> Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
786 lines
20 KiB
C
786 lines
20 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2010-2016 Intel Corporation
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <inttypes.h>
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#include <sys/types.h>
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#include <string.h>
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#include <sys/queue.h>
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#include <stdarg.h>
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#include <errno.h>
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#include <getopt.h>
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#include <stdbool.h>
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#include <netinet/in.h>
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#include <rte_debug.h>
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#include <rte_ether.h>
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#include <rte_ethdev.h>
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#include <rte_cycles.h>
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#include <rte_mbuf.h>
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#include <rte_ip.h>
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#include <rte_tcp.h>
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#include <rte_udp.h>
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#include <rte_hash.h>
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#include "l3fwd.h"
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#if defined(RTE_ARCH_X86) || defined(RTE_MACHINE_CPUFLAG_CRC32)
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#define EM_HASH_CRC 1
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#endif
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#ifdef EM_HASH_CRC
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#include <rte_hash_crc.h>
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#define DEFAULT_HASH_FUNC rte_hash_crc
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#else
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#include <rte_jhash.h>
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#define DEFAULT_HASH_FUNC rte_jhash
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#endif
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#define IPV6_ADDR_LEN 16
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struct ipv4_5tuple {
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uint32_t ip_dst;
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uint32_t ip_src;
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uint16_t port_dst;
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uint16_t port_src;
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uint8_t proto;
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} __attribute__((__packed__));
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union ipv4_5tuple_host {
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struct {
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uint8_t pad0;
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uint8_t proto;
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uint16_t pad1;
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uint32_t ip_src;
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uint32_t ip_dst;
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uint16_t port_src;
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uint16_t port_dst;
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};
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xmm_t xmm;
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};
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#define XMM_NUM_IN_IPV6_5TUPLE 3
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struct ipv6_5tuple {
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uint8_t ip_dst[IPV6_ADDR_LEN];
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uint8_t ip_src[IPV6_ADDR_LEN];
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uint16_t port_dst;
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uint16_t port_src;
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uint8_t proto;
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} __attribute__((__packed__));
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union ipv6_5tuple_host {
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struct {
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uint16_t pad0;
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uint8_t proto;
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uint8_t pad1;
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uint8_t ip_src[IPV6_ADDR_LEN];
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uint8_t ip_dst[IPV6_ADDR_LEN];
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uint16_t port_src;
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uint16_t port_dst;
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uint64_t reserve;
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};
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xmm_t xmm[XMM_NUM_IN_IPV6_5TUPLE];
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};
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struct ipv4_l3fwd_em_route {
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struct ipv4_5tuple key;
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uint8_t if_out;
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};
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struct ipv6_l3fwd_em_route {
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struct ipv6_5tuple key;
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uint8_t if_out;
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};
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static struct ipv4_l3fwd_em_route ipv4_l3fwd_em_route_array[] = {
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{{IPv4(101, 0, 0, 0), IPv4(100, 10, 0, 1), 101, 11, IPPROTO_TCP}, 0},
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{{IPv4(201, 0, 0, 0), IPv4(200, 20, 0, 1), 102, 12, IPPROTO_TCP}, 1},
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{{IPv4(111, 0, 0, 0), IPv4(100, 30, 0, 1), 101, 11, IPPROTO_TCP}, 2},
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{{IPv4(211, 0, 0, 0), IPv4(200, 40, 0, 1), 102, 12, IPPROTO_TCP}, 3},
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};
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static struct ipv6_l3fwd_em_route ipv6_l3fwd_em_route_array[] = {
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{{
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{0xfe, 0x80, 0, 0, 0, 0, 0, 0, 0x02, 0x1e, 0x67, 0xff, 0xfe, 0, 0, 0},
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{0xfe, 0x80, 0, 0, 0, 0, 0, 0, 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 0x05},
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101, 11, IPPROTO_TCP}, 0},
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{{
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{0xfe, 0x90, 0, 0, 0, 0, 0, 0, 0x02, 0x1e, 0x67, 0xff, 0xfe, 0, 0, 0},
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{0xfe, 0x90, 0, 0, 0, 0, 0, 0, 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 0x05},
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102, 12, IPPROTO_TCP}, 1},
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{{
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{0xfe, 0xa0, 0, 0, 0, 0, 0, 0, 0x02, 0x1e, 0x67, 0xff, 0xfe, 0, 0, 0},
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{0xfe, 0xa0, 0, 0, 0, 0, 0, 0, 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 0x05},
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101, 11, IPPROTO_TCP}, 2},
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{{
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{0xfe, 0xb0, 0, 0, 0, 0, 0, 0, 0x02, 0x1e, 0x67, 0xff, 0xfe, 0, 0, 0},
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{0xfe, 0xb0, 0, 0, 0, 0, 0, 0, 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 0x05},
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102, 12, IPPROTO_TCP}, 3},
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};
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struct rte_hash *ipv4_l3fwd_em_lookup_struct[NB_SOCKETS];
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struct rte_hash *ipv6_l3fwd_em_lookup_struct[NB_SOCKETS];
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static inline uint32_t
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ipv4_hash_crc(const void *data, __rte_unused uint32_t data_len,
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uint32_t init_val)
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{
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const union ipv4_5tuple_host *k;
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uint32_t t;
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const uint32_t *p;
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k = data;
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t = k->proto;
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p = (const uint32_t *)&k->port_src;
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#ifdef EM_HASH_CRC
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init_val = rte_hash_crc_4byte(t, init_val);
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init_val = rte_hash_crc_4byte(k->ip_src, init_val);
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init_val = rte_hash_crc_4byte(k->ip_dst, init_val);
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init_val = rte_hash_crc_4byte(*p, init_val);
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#else
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init_val = rte_jhash_1word(t, init_val);
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init_val = rte_jhash_1word(k->ip_src, init_val);
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init_val = rte_jhash_1word(k->ip_dst, init_val);
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init_val = rte_jhash_1word(*p, init_val);
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#endif
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return init_val;
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}
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static inline uint32_t
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ipv6_hash_crc(const void *data, __rte_unused uint32_t data_len,
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uint32_t init_val)
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{
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const union ipv6_5tuple_host *k;
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uint32_t t;
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const uint32_t *p;
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#ifdef EM_HASH_CRC
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const uint32_t *ip_src0, *ip_src1, *ip_src2, *ip_src3;
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const uint32_t *ip_dst0, *ip_dst1, *ip_dst2, *ip_dst3;
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#endif
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k = data;
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t = k->proto;
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p = (const uint32_t *)&k->port_src;
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#ifdef EM_HASH_CRC
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ip_src0 = (const uint32_t *) k->ip_src;
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ip_src1 = (const uint32_t *)(k->ip_src+4);
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ip_src2 = (const uint32_t *)(k->ip_src+8);
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ip_src3 = (const uint32_t *)(k->ip_src+12);
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ip_dst0 = (const uint32_t *) k->ip_dst;
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ip_dst1 = (const uint32_t *)(k->ip_dst+4);
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ip_dst2 = (const uint32_t *)(k->ip_dst+8);
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ip_dst3 = (const uint32_t *)(k->ip_dst+12);
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init_val = rte_hash_crc_4byte(t, init_val);
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init_val = rte_hash_crc_4byte(*ip_src0, init_val);
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init_val = rte_hash_crc_4byte(*ip_src1, init_val);
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init_val = rte_hash_crc_4byte(*ip_src2, init_val);
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init_val = rte_hash_crc_4byte(*ip_src3, init_val);
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init_val = rte_hash_crc_4byte(*ip_dst0, init_val);
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init_val = rte_hash_crc_4byte(*ip_dst1, init_val);
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init_val = rte_hash_crc_4byte(*ip_dst2, init_val);
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init_val = rte_hash_crc_4byte(*ip_dst3, init_val);
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init_val = rte_hash_crc_4byte(*p, init_val);
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#else
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init_val = rte_jhash_1word(t, init_val);
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init_val = rte_jhash(k->ip_src,
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sizeof(uint8_t) * IPV6_ADDR_LEN, init_val);
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init_val = rte_jhash(k->ip_dst,
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sizeof(uint8_t) * IPV6_ADDR_LEN, init_val);
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init_val = rte_jhash_1word(*p, init_val);
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#endif
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return init_val;
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}
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#define IPV4_L3FWD_EM_NUM_ROUTES \
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(sizeof(ipv4_l3fwd_em_route_array) / sizeof(ipv4_l3fwd_em_route_array[0]))
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#define IPV6_L3FWD_EM_NUM_ROUTES \
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(sizeof(ipv6_l3fwd_em_route_array) / sizeof(ipv6_l3fwd_em_route_array[0]))
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static uint8_t ipv4_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
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static uint8_t ipv6_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
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static rte_xmm_t mask0;
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static rte_xmm_t mask1;
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static rte_xmm_t mask2;
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#if defined(RTE_MACHINE_CPUFLAG_SSE2)
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static inline xmm_t
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em_mask_key(void *key, xmm_t mask)
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{
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__m128i data = _mm_loadu_si128((__m128i *)(key));
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return _mm_and_si128(data, mask);
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}
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#elif defined(RTE_MACHINE_CPUFLAG_NEON)
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static inline xmm_t
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em_mask_key(void *key, xmm_t mask)
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{
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int32x4_t data = vld1q_s32((int32_t *)key);
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return vandq_s32(data, mask);
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}
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#elif defined(RTE_MACHINE_CPUFLAG_ALTIVEC)
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static inline xmm_t
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em_mask_key(void *key, xmm_t mask)
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{
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xmm_t data = vec_ld(0, (xmm_t *)(key));
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return vec_and(data, mask);
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}
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#else
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#error No vector engine (SSE, NEON, ALTIVEC) available, check your toolchain
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#endif
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static inline uint16_t
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em_get_ipv4_dst_port(void *ipv4_hdr, uint16_t portid, void *lookup_struct)
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{
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int ret = 0;
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union ipv4_5tuple_host key;
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struct rte_hash *ipv4_l3fwd_lookup_struct =
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(struct rte_hash *)lookup_struct;
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ipv4_hdr = (uint8_t *)ipv4_hdr + offsetof(struct ipv4_hdr, time_to_live);
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/*
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* Get 5 tuple: dst port, src port, dst IP address,
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* src IP address and protocol.
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*/
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key.xmm = em_mask_key(ipv4_hdr, mask0.x);
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/* Find destination port */
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ret = rte_hash_lookup(ipv4_l3fwd_lookup_struct, (const void *)&key);
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return (ret < 0) ? portid : ipv4_l3fwd_out_if[ret];
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}
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static inline uint16_t
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em_get_ipv6_dst_port(void *ipv6_hdr, uint16_t portid, void *lookup_struct)
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{
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int ret = 0;
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union ipv6_5tuple_host key;
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struct rte_hash *ipv6_l3fwd_lookup_struct =
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(struct rte_hash *)lookup_struct;
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ipv6_hdr = (uint8_t *)ipv6_hdr + offsetof(struct ipv6_hdr, payload_len);
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void *data0 = ipv6_hdr;
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void *data1 = ((uint8_t *)ipv6_hdr) + sizeof(xmm_t);
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void *data2 = ((uint8_t *)ipv6_hdr) + sizeof(xmm_t) + sizeof(xmm_t);
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/* Get part of 5 tuple: src IP address lower 96 bits and protocol */
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key.xmm[0] = em_mask_key(data0, mask1.x);
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/*
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* Get part of 5 tuple: dst IP address lower 96 bits
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* and src IP address higher 32 bits.
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*/
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key.xmm[1] = *(xmm_t *)data1;
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/*
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* Get part of 5 tuple: dst port and src port
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* and dst IP address higher 32 bits.
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*/
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key.xmm[2] = em_mask_key(data2, mask2.x);
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/* Find destination port */
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ret = rte_hash_lookup(ipv6_l3fwd_lookup_struct, (const void *)&key);
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return (ret < 0) ? portid : ipv6_l3fwd_out_if[ret];
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}
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#if defined RTE_ARCH_X86 || defined RTE_MACHINE_CPUFLAG_NEON
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#if defined(NO_HASH_MULTI_LOOKUP)
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#include "l3fwd_em_sequential.h"
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#else
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#include "l3fwd_em_hlm.h"
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#endif
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#else
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#include "l3fwd_em.h"
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#endif
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static void
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convert_ipv4_5tuple(struct ipv4_5tuple *key1,
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union ipv4_5tuple_host *key2)
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{
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key2->ip_dst = rte_cpu_to_be_32(key1->ip_dst);
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key2->ip_src = rte_cpu_to_be_32(key1->ip_src);
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key2->port_dst = rte_cpu_to_be_16(key1->port_dst);
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key2->port_src = rte_cpu_to_be_16(key1->port_src);
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key2->proto = key1->proto;
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key2->pad0 = 0;
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key2->pad1 = 0;
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}
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static void
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convert_ipv6_5tuple(struct ipv6_5tuple *key1,
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union ipv6_5tuple_host *key2)
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{
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uint32_t i;
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for (i = 0; i < 16; i++) {
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key2->ip_dst[i] = key1->ip_dst[i];
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key2->ip_src[i] = key1->ip_src[i];
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}
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key2->port_dst = rte_cpu_to_be_16(key1->port_dst);
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key2->port_src = rte_cpu_to_be_16(key1->port_src);
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key2->proto = key1->proto;
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key2->pad0 = 0;
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key2->pad1 = 0;
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key2->reserve = 0;
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}
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#define BYTE_VALUE_MAX 256
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#define ALL_32_BITS 0xffffffff
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#define BIT_8_TO_15 0x0000ff00
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static inline void
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populate_ipv4_few_flow_into_table(const struct rte_hash *h)
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{
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uint32_t i;
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int32_t ret;
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mask0 = (rte_xmm_t){.u32 = {BIT_8_TO_15, ALL_32_BITS,
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ALL_32_BITS, ALL_32_BITS} };
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for (i = 0; i < IPV4_L3FWD_EM_NUM_ROUTES; i++) {
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struct ipv4_l3fwd_em_route entry;
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union ipv4_5tuple_host newkey;
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entry = ipv4_l3fwd_em_route_array[i];
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convert_ipv4_5tuple(&entry.key, &newkey);
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ret = rte_hash_add_key(h, (void *) &newkey);
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if (ret < 0) {
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rte_exit(EXIT_FAILURE, "Unable to add entry %" PRIu32
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" to the l3fwd hash.\n", i);
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}
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ipv4_l3fwd_out_if[ret] = entry.if_out;
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}
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printf("Hash: Adding 0x%" PRIx64 " keys\n",
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(uint64_t)IPV4_L3FWD_EM_NUM_ROUTES);
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}
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#define BIT_16_TO_23 0x00ff0000
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static inline void
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populate_ipv6_few_flow_into_table(const struct rte_hash *h)
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{
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uint32_t i;
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int32_t ret;
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|
|
mask1 = (rte_xmm_t){.u32 = {BIT_16_TO_23, ALL_32_BITS,
|
|
ALL_32_BITS, ALL_32_BITS} };
|
|
|
|
mask2 = (rte_xmm_t){.u32 = {ALL_32_BITS, ALL_32_BITS, 0, 0} };
|
|
|
|
for (i = 0; i < IPV6_L3FWD_EM_NUM_ROUTES; i++) {
|
|
struct ipv6_l3fwd_em_route entry;
|
|
union ipv6_5tuple_host newkey;
|
|
|
|
entry = ipv6_l3fwd_em_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%" PRIx64 "keys\n",
|
|
(uint64_t)IPV6_L3FWD_EM_NUM_ROUTES);
|
|
}
|
|
|
|
#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 = (rte_xmm_t){.u32 = {BIT_8_TO_15, ALL_32_BITS,
|
|
ALL_32_BITS, ALL_32_BITS} };
|
|
|
|
for (i = 0; i < nr_flow; i++) {
|
|
struct ipv4_l3fwd_em_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_em_route_array[0];
|
|
entry.key.ip_dst = IPv4(101, c, b, a);
|
|
break;
|
|
case 1:
|
|
entry = ipv4_l3fwd_em_route_array[1];
|
|
entry.key.ip_dst = IPv4(201, c, b, a);
|
|
break;
|
|
case 2:
|
|
entry = ipv4_l3fwd_em_route_array[2];
|
|
entry.key.ip_dst = IPv4(111, c, b, a);
|
|
break;
|
|
case 3:
|
|
entry = ipv4_l3fwd_em_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 = (rte_xmm_t){.u32 = {BIT_16_TO_23, ALL_32_BITS,
|
|
ALL_32_BITS, ALL_32_BITS} };
|
|
mask2 = (rte_xmm_t){.u32 = {ALL_32_BITS, ALL_32_BITS, 0, 0} };
|
|
|
|
for (i = 0; i < nr_flow; i++) {
|
|
struct ipv6_l3fwd_em_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_em_route_array[0];
|
|
break;
|
|
case 1:
|
|
entry = ipv6_l3fwd_em_route_array[1];
|
|
break;
|
|
case 2:
|
|
entry = ipv6_l3fwd_em_route_array[2];
|
|
break;
|
|
case 3:
|
|
entry = ipv6_l3fwd_em_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);
|
|
}
|
|
|
|
/* Requirements:
|
|
* 1. IP packets without extension;
|
|
* 2. L4 payload should be either TCP or UDP.
|
|
*/
|
|
int
|
|
em_check_ptype(int portid)
|
|
{
|
|
int i, ret;
|
|
int ptype_l3_ipv4_ext = 0;
|
|
int ptype_l3_ipv6_ext = 0;
|
|
int ptype_l4_tcp = 0;
|
|
int ptype_l4_udp = 0;
|
|
uint32_t ptype_mask = RTE_PTYPE_L3_MASK | RTE_PTYPE_L4_MASK;
|
|
|
|
ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, NULL, 0);
|
|
if (ret <= 0)
|
|
return 0;
|
|
|
|
uint32_t ptypes[ret];
|
|
|
|
ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, ptypes, ret);
|
|
for (i = 0; i < ret; ++i) {
|
|
switch (ptypes[i]) {
|
|
case RTE_PTYPE_L3_IPV4_EXT:
|
|
ptype_l3_ipv4_ext = 1;
|
|
break;
|
|
case RTE_PTYPE_L3_IPV6_EXT:
|
|
ptype_l3_ipv6_ext = 1;
|
|
break;
|
|
case RTE_PTYPE_L4_TCP:
|
|
ptype_l4_tcp = 1;
|
|
break;
|
|
case RTE_PTYPE_L4_UDP:
|
|
ptype_l4_udp = 1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (ptype_l3_ipv4_ext == 0)
|
|
printf("port %d cannot parse RTE_PTYPE_L3_IPV4_EXT\n", portid);
|
|
if (ptype_l3_ipv6_ext == 0)
|
|
printf("port %d cannot parse RTE_PTYPE_L3_IPV6_EXT\n", portid);
|
|
if (!ptype_l3_ipv4_ext || !ptype_l3_ipv6_ext)
|
|
return 0;
|
|
|
|
if (ptype_l4_tcp == 0)
|
|
printf("port %d cannot parse RTE_PTYPE_L4_TCP\n", portid);
|
|
if (ptype_l4_udp == 0)
|
|
printf("port %d cannot parse RTE_PTYPE_L4_UDP\n", portid);
|
|
if (ptype_l4_tcp && ptype_l4_udp)
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static inline void
|
|
em_parse_ptype(struct rte_mbuf *m)
|
|
{
|
|
struct rte_ether_hdr *eth_hdr;
|
|
uint32_t packet_type = RTE_PTYPE_UNKNOWN;
|
|
uint16_t ether_type;
|
|
void *l3;
|
|
int hdr_len;
|
|
struct ipv4_hdr *ipv4_hdr;
|
|
struct ipv6_hdr *ipv6_hdr;
|
|
|
|
eth_hdr = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
|
|
ether_type = eth_hdr->ether_type;
|
|
l3 = (uint8_t *)eth_hdr + sizeof(struct rte_ether_hdr);
|
|
if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPv4)) {
|
|
ipv4_hdr = (struct ipv4_hdr *)l3;
|
|
hdr_len = (ipv4_hdr->version_ihl & IPV4_HDR_IHL_MASK) *
|
|
IPV4_IHL_MULTIPLIER;
|
|
if (hdr_len == sizeof(struct ipv4_hdr)) {
|
|
packet_type |= RTE_PTYPE_L3_IPV4;
|
|
if (ipv4_hdr->next_proto_id == IPPROTO_TCP)
|
|
packet_type |= RTE_PTYPE_L4_TCP;
|
|
else if (ipv4_hdr->next_proto_id == IPPROTO_UDP)
|
|
packet_type |= RTE_PTYPE_L4_UDP;
|
|
} else
|
|
packet_type |= RTE_PTYPE_L3_IPV4_EXT;
|
|
} else if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPv6)) {
|
|
ipv6_hdr = (struct ipv6_hdr *)l3;
|
|
if (ipv6_hdr->proto == IPPROTO_TCP)
|
|
packet_type |= RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_TCP;
|
|
else if (ipv6_hdr->proto == IPPROTO_UDP)
|
|
packet_type |= RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_UDP;
|
|
else
|
|
packet_type |= RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
|
|
}
|
|
|
|
m->packet_type = packet_type;
|
|
}
|
|
|
|
uint16_t
|
|
em_cb_parse_ptype(uint16_t port __rte_unused, uint16_t queue __rte_unused,
|
|
struct rte_mbuf *pkts[], uint16_t nb_pkts,
|
|
uint16_t max_pkts __rte_unused,
|
|
void *user_param __rte_unused)
|
|
{
|
|
unsigned i;
|
|
|
|
for (i = 0; i < nb_pkts; ++i)
|
|
em_parse_ptype(pkts[i]);
|
|
|
|
return nb_pkts;
|
|
}
|
|
|
|
/* main processing loop */
|
|
int
|
|
em_main_loop(__attribute__((unused)) void *dummy)
|
|
{
|
|
struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
|
|
unsigned lcore_id;
|
|
uint64_t prev_tsc, diff_tsc, cur_tsc;
|
|
int i, nb_rx;
|
|
uint8_t queueid;
|
|
uint16_t portid;
|
|
struct lcore_conf *qconf;
|
|
const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
|
|
US_PER_S * BURST_TX_DRAIN_US;
|
|
|
|
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);
|
|
return 0;
|
|
}
|
|
|
|
RTE_LOG(INFO, L3FWD, "entering main loop on lcore %u\n", lcore_id);
|
|
|
|
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;
|
|
RTE_LOG(INFO, L3FWD,
|
|
" -- lcoreid=%u portid=%u rxqueueid=%hhu\n",
|
|
lcore_id, portid, queueid);
|
|
}
|
|
|
|
while (!force_quit) {
|
|
|
|
cur_tsc = rte_rdtsc();
|
|
|
|
/*
|
|
* TX burst queue drain
|
|
*/
|
|
diff_tsc = cur_tsc - prev_tsc;
|
|
if (unlikely(diff_tsc > drain_tsc)) {
|
|
|
|
for (i = 0; i < qconf->n_tx_port; ++i) {
|
|
portid = qconf->tx_port_id[i];
|
|
if (qconf->tx_mbufs[portid].len == 0)
|
|
continue;
|
|
send_burst(qconf,
|
|
qconf->tx_mbufs[portid].len,
|
|
portid);
|
|
qconf->tx_mbufs[portid].len = 0;
|
|
}
|
|
|
|
prev_tsc = cur_tsc;
|
|
}
|
|
|
|
/*
|
|
* 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 (nb_rx == 0)
|
|
continue;
|
|
|
|
#if defined RTE_ARCH_X86 || defined RTE_MACHINE_CPUFLAG_NEON
|
|
l3fwd_em_send_packets(nb_rx, pkts_burst,
|
|
portid, qconf);
|
|
#else
|
|
l3fwd_em_no_opt_send_packets(nb_rx, pkts_burst,
|
|
portid, qconf);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Initialize exact match (hash) parameters.
|
|
*/
|
|
void
|
|
setup_hash(const int socketid)
|
|
{
|
|
struct rte_hash_parameters ipv4_l3fwd_hash_params = {
|
|
.name = NULL,
|
|
.entries = L3FWD_HASH_ENTRIES,
|
|
.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,
|
|
.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_em_lookup_struct[socketid] =
|
|
rte_hash_create(&ipv4_l3fwd_hash_params);
|
|
if (ipv4_l3fwd_em_lookup_struct[socketid] == NULL)
|
|
rte_exit(EXIT_FAILURE,
|
|
"Unable to create the l3fwd hash on socket %d\n",
|
|
socketid);
|
|
|
|
/* 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_em_lookup_struct[socketid] =
|
|
rte_hash_create(&ipv6_l3fwd_hash_params);
|
|
if (ipv6_l3fwd_em_lookup_struct[socketid] == NULL)
|
|
rte_exit(EXIT_FAILURE,
|
|
"Unable to create the l3fwd hash on socket %d\n",
|
|
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_em_lookup_struct[socketid],
|
|
hash_entry_number);
|
|
} else {
|
|
/* populate the ipv6 hash */
|
|
populate_ipv6_many_flow_into_table(
|
|
ipv6_l3fwd_em_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_em_lookup_struct[socketid]);
|
|
} else {
|
|
/* populate the ipv6 hash */
|
|
populate_ipv6_few_flow_into_table(
|
|
ipv6_l3fwd_em_lookup_struct[socketid]);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Return ipv4/ipv6 em fwd lookup struct. */
|
|
void *
|
|
em_get_ipv4_l3fwd_lookup_struct(const int socketid)
|
|
{
|
|
return ipv4_l3fwd_em_lookup_struct[socketid];
|
|
}
|
|
|
|
void *
|
|
em_get_ipv6_l3fwd_lookup_struct(const int socketid)
|
|
{
|
|
return ipv6_l3fwd_em_lookup_struct[socketid];
|
|
}
|