X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=examples%2Fl3fwd%2Fl3fwd_lpm.c;h=6bfc3be68fc6db9dd127880693e4ecb455bb5e58;hb=24ac604ef7469eb5773c2504b313dd00257f8df3;hp=7f30d65d165a1b7fa2502d07fbdca35676fbcaad;hpb=193f9ec5c0405073a5adf52c477cc6cf78162d96;p=dpdk.git diff --git a/examples/l3fwd/l3fwd_lpm.c b/examples/l3fwd/l3fwd_lpm.c index 7f30d65d16..6bfc3be68f 100644 --- a/examples/l3fwd/l3fwd_lpm.c +++ b/examples/l3fwd/l3fwd_lpm.c @@ -1,34 +1,5 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2010-2016 Intel Corporation. All rights reserved. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2010-2016 Intel Corporation */ #include @@ -42,11 +13,12 @@ #include #include #include +#include +#include #include #include #include -#include #include #include #include @@ -69,26 +41,28 @@ struct ipv6_l3fwd_lpm_route { uint8_t if_out; }; +/* 192.18.0.0/16 are set aside for RFC2544 benchmarking. */ static struct ipv4_l3fwd_lpm_route ipv4_l3fwd_lpm_route_array[] = { - {IPv4(1, 1, 1, 0), 24, 0}, - {IPv4(2, 1, 1, 0), 24, 1}, - {IPv4(3, 1, 1, 0), 24, 2}, - {IPv4(4, 1, 1, 0), 24, 3}, - {IPv4(5, 1, 1, 0), 24, 4}, - {IPv4(6, 1, 1, 0), 24, 5}, - {IPv4(7, 1, 1, 0), 24, 6}, - {IPv4(8, 1, 1, 0), 24, 7}, + {RTE_IPv4(192, 18, 0, 0), 24, 0}, + {RTE_IPv4(192, 18, 1, 0), 24, 1}, + {RTE_IPv4(192, 18, 2, 0), 24, 2}, + {RTE_IPv4(192, 18, 3, 0), 24, 3}, + {RTE_IPv4(192, 18, 4, 0), 24, 4}, + {RTE_IPv4(192, 18, 5, 0), 24, 5}, + {RTE_IPv4(192, 18, 6, 0), 24, 6}, + {RTE_IPv4(192, 18, 7, 0), 24, 7}, }; +/* 2001:0200::/48 is IANA reserved range for IPv6 benchmarking (RFC5180) */ static struct ipv6_l3fwd_lpm_route ipv6_l3fwd_lpm_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}, + {{32, 1, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 48, 0}, + {{32, 1, 2, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0}, 48, 1}, + {{32, 1, 2, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0}, 48, 2}, + {{32, 1, 2, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0}, 48, 3}, + {{32, 1, 2, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0}, 48, 4}, + {{32, 1, 2, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0}, 48, 5}, + {{32, 1, 2, 0, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0}, 48, 6}, + {{32, 1, 2, 0, 0, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0}, 48, 7}, }; #define IPV4_L3FWD_LPM_NUM_ROUTES \ @@ -104,8 +78,95 @@ static struct ipv6_l3fwd_lpm_route ipv6_l3fwd_lpm_route_array[] = { struct rte_lpm *ipv4_l3fwd_lpm_lookup_struct[NB_SOCKETS]; struct rte_lpm6 *ipv6_l3fwd_lpm_lookup_struct[NB_SOCKETS]; +static inline uint16_t +lpm_get_ipv4_dst_port(void *ipv4_hdr, uint16_t portid, void *lookup_struct) +{ + uint32_t next_hop; + struct rte_lpm *ipv4_l3fwd_lookup_struct = + (struct rte_lpm *)lookup_struct; + + return (uint16_t) ((rte_lpm_lookup(ipv4_l3fwd_lookup_struct, + rte_be_to_cpu_32(((struct rte_ipv4_hdr *)ipv4_hdr)->dst_addr), + &next_hop) == 0) ? next_hop : portid); +} + +static inline uint16_t +lpm_get_ipv6_dst_port(void *ipv6_hdr, uint16_t portid, void *lookup_struct) +{ + uint32_t next_hop; + struct rte_lpm6 *ipv6_l3fwd_lookup_struct = + (struct rte_lpm6 *)lookup_struct; + + return (uint16_t) ((rte_lpm6_lookup(ipv6_l3fwd_lookup_struct, + ((struct rte_ipv6_hdr *)ipv6_hdr)->dst_addr, + &next_hop) == 0) ? next_hop : portid); +} + +static __rte_always_inline uint16_t +lpm_get_dst_port(const struct lcore_conf *qconf, struct rte_mbuf *pkt, + uint16_t portid) +{ + struct rte_ipv6_hdr *ipv6_hdr; + struct rte_ipv4_hdr *ipv4_hdr; + struct rte_ether_hdr *eth_hdr; + + if (RTE_ETH_IS_IPV4_HDR(pkt->packet_type)) { + + eth_hdr = rte_pktmbuf_mtod(pkt, struct rte_ether_hdr *); + ipv4_hdr = (struct rte_ipv4_hdr *)(eth_hdr + 1); + + return lpm_get_ipv4_dst_port(ipv4_hdr, portid, + qconf->ipv4_lookup_struct); + } else if (RTE_ETH_IS_IPV6_HDR(pkt->packet_type)) { + + eth_hdr = rte_pktmbuf_mtod(pkt, struct rte_ether_hdr *); + ipv6_hdr = (struct rte_ipv6_hdr *)(eth_hdr + 1); + + return lpm_get_ipv6_dst_port(ipv6_hdr, portid, + qconf->ipv6_lookup_struct); + } + + return portid; +} + +/* + * lpm_get_dst_port optimized routine for packets where dst_ipv4 is already + * precalculated. If packet is ipv6 dst_addr is taken directly from packet + * header and dst_ipv4 value is not used. + */ +static __rte_always_inline uint16_t +lpm_get_dst_port_with_ipv4(const struct lcore_conf *qconf, struct rte_mbuf *pkt, + uint32_t dst_ipv4, uint16_t portid) +{ + uint32_t next_hop; + struct rte_ipv6_hdr *ipv6_hdr; + struct rte_ether_hdr *eth_hdr; + + if (RTE_ETH_IS_IPV4_HDR(pkt->packet_type)) { + return (uint16_t) ((rte_lpm_lookup(qconf->ipv4_lookup_struct, + dst_ipv4, &next_hop) == 0) + ? next_hop : portid); + + } else if (RTE_ETH_IS_IPV6_HDR(pkt->packet_type)) { + + eth_hdr = rte_pktmbuf_mtod(pkt, struct rte_ether_hdr *); + ipv6_hdr = (struct rte_ipv6_hdr *)(eth_hdr + 1); + + return (uint16_t) ((rte_lpm6_lookup(qconf->ipv6_lookup_struct, + ipv6_hdr->dst_addr, &next_hop) == 0) + ? next_hop : portid); + + } + + return portid; +} + #if defined(RTE_ARCH_X86) #include "l3fwd_lpm_sse.h" +#elif defined RTE_MACHINE_CPUFLAG_NEON +#include "l3fwd_lpm_neon.h" +#elif defined(RTE_ARCH_PPC_64) +#include "l3fwd_lpm_altivec.h" #else #include "l3fwd_lpm.h" #endif @@ -118,7 +179,8 @@ lpm_main_loop(__attribute__((unused)) void *dummy) unsigned lcore_id; uint64_t prev_tsc, diff_tsc, cur_tsc; int i, nb_rx; - uint8_t portid, queueid; + uint16_t portid; + uint8_t 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; @@ -140,7 +202,7 @@ lpm_main_loop(__attribute__((unused)) void *dummy) portid = qconf->rx_queue_list[i].port_id; queueid = qconf->rx_queue_list[i].queue_id; RTE_LOG(INFO, L3FWD, - " -- lcoreid=%u portid=%hhu rxqueueid=%hhu\n", + " -- lcoreid=%u portid=%u rxqueueid=%hhu\n", lcore_id, portid, queueid); } @@ -178,7 +240,8 @@ lpm_main_loop(__attribute__((unused)) void *dummy) if (nb_rx == 0) continue; -#if defined(RTE_ARCH_X86) +#if defined RTE_ARCH_X86 || defined RTE_MACHINE_CPUFLAG_NEON \ + || defined RTE_ARCH_PPC_64 l3fwd_lpm_send_packets(nb_rx, pkts_burst, portid, qconf); #else @@ -199,6 +262,7 @@ setup_lpm(const int socketid) unsigned i; int ret; char s[64]; + char abuf[INET6_ADDRSTRLEN]; /* create the LPM table */ config_ipv4.max_rules = IPV4_L3FWD_LPM_MAX_RULES; @@ -214,6 +278,7 @@ setup_lpm(const int socketid) /* populate the LPM table */ for (i = 0; i < IPV4_L3FWD_LPM_NUM_ROUTES; i++) { + struct in_addr in; /* skip unused ports */ if ((1 << ipv4_l3fwd_lpm_route_array[i].if_out & @@ -231,8 +296,9 @@ setup_lpm(const int socketid) i, socketid); } - printf("LPM: Adding route 0x%08x / %d (%d)\n", - (unsigned)ipv4_l3fwd_lpm_route_array[i].ip, + in.s_addr = htonl(ipv4_l3fwd_lpm_route_array[i].ip); + printf("LPM: Adding route %s / %d (%d)\n", + inet_ntop(AF_INET, &in, abuf, sizeof(abuf)), ipv4_l3fwd_lpm_route_array[i].depth, ipv4_l3fwd_lpm_route_array[i].if_out); } @@ -270,9 +336,10 @@ setup_lpm(const int socketid) } printf("LPM: Adding route %s / %d (%d)\n", - "IPV6", - ipv6_l3fwd_lpm_route_array[i].depth, - ipv6_l3fwd_lpm_route_array[i].if_out); + inet_ntop(AF_INET6, ipv6_l3fwd_lpm_route_array[i].ip, + abuf, sizeof(abuf)), + ipv6_l3fwd_lpm_route_array[i].depth, + ipv6_l3fwd_lpm_route_array[i].if_out); } } @@ -313,22 +380,22 @@ lpm_check_ptype(int portid) static inline void lpm_parse_ptype(struct rte_mbuf *m) { - struct ether_hdr *eth_hdr; + struct rte_ether_hdr *eth_hdr; uint32_t packet_type = RTE_PTYPE_UNKNOWN; uint16_t ether_type; - eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *); + eth_hdr = rte_pktmbuf_mtod(m, struct rte_ether_hdr *); ether_type = eth_hdr->ether_type; - if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4)) + if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPv4)) packet_type |= RTE_PTYPE_L3_IPV4_EXT_UNKNOWN; - else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv6)) + else if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPv6)) packet_type |= RTE_PTYPE_L3_IPV6_EXT_UNKNOWN; m->packet_type = packet_type; } uint16_t -lpm_cb_parse_ptype(uint8_t port __rte_unused, uint16_t queue __rte_unused, +lpm_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)