+++ /dev/null
-/*-
- * 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.
- */
-
-#ifndef __L3FWD_EM_SSE_H__
-#define __L3FWD_EM_SSE_H__
-
-/**
- * @file
- * This is an optional implementation of packet classification in Exact-Match
- * path using sequential packet classification method.
- * While hash lookup multi seems to provide better performance, it's disabled
- * by default and can be enabled with NO_HASH_LOOKUP_MULTI global define in
- * compilation time.
- */
-
-#include "l3fwd_sse.h"
-
-static __rte_always_inline uint16_t
-em_get_dst_port(const struct lcore_conf *qconf, struct rte_mbuf *pkt,
- uint8_t portid)
-{
- uint8_t next_hop;
- struct ipv4_hdr *ipv4_hdr;
- struct ipv6_hdr *ipv6_hdr;
- uint32_t tcp_or_udp;
- uint32_t l3_ptypes;
-
- tcp_or_udp = pkt->packet_type & (RTE_PTYPE_L4_TCP | RTE_PTYPE_L4_UDP);
- l3_ptypes = pkt->packet_type & RTE_PTYPE_L3_MASK;
-
- if (tcp_or_udp && (l3_ptypes == RTE_PTYPE_L3_IPV4)) {
-
- /* Handle IPv4 headers.*/
- ipv4_hdr = rte_pktmbuf_mtod_offset(pkt, struct ipv4_hdr *,
- sizeof(struct ether_hdr));
-
- next_hop = em_get_ipv4_dst_port(ipv4_hdr, portid,
- qconf->ipv4_lookup_struct);
-
- if (next_hop >= RTE_MAX_ETHPORTS ||
- (enabled_port_mask & 1 << next_hop) == 0)
- next_hop = portid;
-
- return next_hop;
-
- } else if (tcp_or_udp && (l3_ptypes == RTE_PTYPE_L3_IPV6)) {
-
- /* Handle IPv6 headers.*/
- ipv6_hdr = rte_pktmbuf_mtod_offset(pkt, struct ipv6_hdr *,
- sizeof(struct ether_hdr));
-
- next_hop = em_get_ipv6_dst_port(ipv6_hdr, portid,
- qconf->ipv6_lookup_struct);
-
- if (next_hop >= RTE_MAX_ETHPORTS ||
- (enabled_port_mask & 1 << next_hop) == 0)
- next_hop = portid;
-
- return next_hop;
-
- }
-
- return portid;
-}
-
-/*
- * Buffer optimized handling of packets, invoked
- * from main_loop.
- */
-static inline void
-l3fwd_em_send_packets(int nb_rx, struct rte_mbuf **pkts_burst,
- uint8_t portid, struct lcore_conf *qconf)
-{
- int32_t j;
- uint16_t dst_port[MAX_PKT_BURST];
-
- for (j = 0; j < nb_rx; j++)
- dst_port[j] = em_get_dst_port(qconf, pkts_burst[j], portid);
-
- send_packets_multi(qconf, pkts_burst, dst_port, nb_rx);
-}
-#endif /* __L3FWD_EM_SSE_H__ */
git.droids-corp.org / dpdk.git / blobdiff