X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=examples%2Fl3fwd%2Fl3fwd_lpm.c;h=c185e5e13260b5a88da40b1ee366b180abbd0f5d;hb=6e7cbd63706f3435b9d9a2057a37db1da01db9a7;hp=f6212697a59eeb535075c8319efa1bf20adc0996;hpb=6b3e017e5d25f15da73f7700f7f2ac553ef1a2e9;p=deb_dpdk.git diff --git a/examples/l3fwd/l3fwd_lpm.c b/examples/l3fwd/l3fwd_lpm.c index f6212697..c185e5e1 100644 --- a/examples/l3fwd/l3fwd_lpm.c +++ b/examples/l3fwd/l3fwd_lpm.c @@ -46,7 +46,6 @@ #include #include #include -#include #include #include #include @@ -104,8 +103,95 @@ 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]; -#if defined(__SSE4_1__) +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 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 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 ipv6_hdr *ipv6_hdr; + struct ipv4_hdr *ipv4_hdr; + struct ether_hdr *eth_hdr; + + if (RTE_ETH_IS_IPV4_HDR(pkt->packet_type)) { + + eth_hdr = rte_pktmbuf_mtod(pkt, struct ether_hdr *); + ipv4_hdr = (struct 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 ether_hdr *); + ipv6_hdr = (struct 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 ipv6_hdr *ipv6_hdr; + struct 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 ether_hdr *); + ipv6_hdr = (struct 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 +204,8 @@ 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 +227,7 @@ 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); } @@ -178,13 +265,14 @@ lpm_main_loop(__attribute__((unused)) void *dummy) if (nb_rx == 0) continue; -#if defined(__SSE4_1__) +#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 l3fwd_lpm_no_opt_send_packets(nb_rx, pkts_burst, portid, qconf); -#endif /* __SSE_4_1__ */ +#endif /* X86 */ } } @@ -328,7 +416,7 @@ lpm_parse_ptype(struct rte_mbuf *m) } 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)