X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=examples%2Fl3fwd%2Fl3fwd_lpm_sse.h;h=1d1615906963d09edb35dfb95dc0b61f4fc34a60;hb=d0d306c7f2a1fba9816eb148da74ade7ff0a3c46;hp=77326c1ae1ebd9a5ee089cf7e3eedb867cea7099;hpb=94c54b4158d56fb169b136d9adcc24b3b64dc4b0;p=dpdk.git diff --git a/examples/l3fwd/l3fwd_lpm_sse.h b/examples/l3fwd/l3fwd_lpm_sse.h index 77326c1ae1..1d16159069 100644 --- a/examples/l3fwd/l3fwd_lpm_sse.h +++ b/examples/l3fwd/l3fwd_lpm_sse.h @@ -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 */ #ifndef __L3FWD_LPM_SSE_H__ @@ -36,68 +7,6 @@ #include "l3fwd_sse.h" -static inline __attribute__((always_inline)) uint16_t -lpm_get_dst_port(const struct lcore_conf *qconf, struct rte_mbuf *pkt, - uint8_t portid) -{ - uint8_t next_hop; - 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 (uint16_t) ((rte_lpm_lookup(qconf->ipv4_lookup_struct, - rte_be_to_cpu_32(ipv4_hdr->dst_addr), &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; -} - -/* - * 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 inline __attribute__((always_inline)) uint16_t -lpm_get_dst_port_with_ipv4(const struct lcore_conf *qconf, struct rte_mbuf *pkt, - uint32_t dst_ipv4, uint8_t portid) -{ - uint8_t next_hop; - struct ipv6_hdr *ipv6_hdr; - struct ether_hdr *eth_hdr; - - if (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; - -} - /* * Read packet_type and destination IPV4 addresses from 4 mbufs. */ @@ -141,7 +50,7 @@ static inline void processx4_step2(const struct lcore_conf *qconf, __m128i dip, uint32_t ipv4_flag, - uint8_t portid, + uint16_t portid, struct rte_mbuf *pkt[FWDSTEP], uint16_t dprt[FWDSTEP]) { @@ -154,7 +63,11 @@ processx4_step2(const struct lcore_conf *qconf, /* if all 4 packets are IPV4. */ if (likely(ipv4_flag)) { - rte_lpm_lookupx4(qconf->ipv4_lookup_struct, dip, dprt, portid); + rte_lpm_lookupx4(qconf->ipv4_lookup_struct, dip, dst.u32, + portid); + /* get rid of unused upper 16 bit for each dport. */ + dst.x = _mm_packs_epi32(dst.x, dst.x); + *(uint64_t *)dprt = dst.u64[0]; } else { dst.x = dip; dprt[0] = lpm_get_dst_port_with_ipv4(qconf, pkt[0], dst.u32[0], portid); @@ -170,7 +83,7 @@ processx4_step2(const struct lcore_conf *qconf, */ static inline void l3fwd_lpm_send_packets(int nb_rx, struct rte_mbuf **pkts_burst, - uint8_t portid, struct lcore_conf *qconf) + uint16_t portid, struct lcore_conf *qconf) { int32_t j; uint16_t dst_port[MAX_PKT_BURST]; @@ -191,9 +104,11 @@ l3fwd_lpm_send_packets(int nb_rx, struct rte_mbuf **pkts_burst, case 3: dst_port[j] = lpm_get_dst_port(qconf, pkts_burst[j], portid); j++; + /* fall-through */ case 2: dst_port[j] = lpm_get_dst_port(qconf, pkts_burst[j], portid); j++; + /* fall-through */ case 1: dst_port[j] = lpm_get_dst_port(qconf, pkts_burst[j], portid); j++;