examples/performance-thread: add pthread shim to meson

[dpdk.git] / examples / l3fwd / l3fwd_em.h

diff --git a/examples/l3fwd/l3fwd_em.h b/examples/l3fwd/l3fwd_em.h
index 3232d0a..090c1b4 100644 (file)
--- a/examples/l3fwd/l3fwd_em.h
+++ b/examples/l3fwd/l3fwd_em.h
@@ -1,46 +1,91 @@
-/*-
- *   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_EM_H__
 #define __L3FWD_EM_H__
 
+static __rte_always_inline void
+l3fwd_em_simple_forward(struct rte_mbuf *m, uint16_t portid,
+               struct lcore_conf *qconf)
+{
+       struct rte_ether_hdr *eth_hdr;
+       struct rte_ipv4_hdr *ipv4_hdr;
+       uint16_t dst_port;
+       uint32_t tcp_or_udp;
+       uint32_t l3_ptypes;
+
+       eth_hdr = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
+       tcp_or_udp = m->packet_type & (RTE_PTYPE_L4_TCP | RTE_PTYPE_L4_UDP);
+       l3_ptypes = m->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(m, struct rte_ipv4_hdr *,
+                                               sizeof(struct rte_ether_hdr));
+
+#ifdef DO_RFC_1812_CHECKS
+               /* Check to make sure the packet is valid (RFC1812) */
+               if (is_valid_ipv4_pkt(ipv4_hdr, m->pkt_len) < 0) {
+                       rte_pktmbuf_free(m);
+                       return;
+               }
+#endif
+               dst_port = em_get_ipv4_dst_port(ipv4_hdr, portid,
+                                               qconf->ipv4_lookup_struct);
+
+               if (dst_port >= RTE_MAX_ETHPORTS ||
+                       (enabled_port_mask & 1 << dst_port) == 0)
+                       dst_port = portid;
+
+#ifdef DO_RFC_1812_CHECKS
+               /* Update time to live and header checksum */
+               --(ipv4_hdr->time_to_live);
+               ++(ipv4_hdr->hdr_checksum);
+#endif
+               /* dst addr */
+               *(uint64_t *)&eth_hdr->d_addr = dest_eth_addr[dst_port];
+
+               /* src addr */
+               rte_ether_addr_copy(&ports_eth_addr[dst_port],
+                               &eth_hdr->s_addr);
+
+               send_single_packet(qconf, m, dst_port);
+       } else if (tcp_or_udp && (l3_ptypes == RTE_PTYPE_L3_IPV6)) {
+               /* Handle IPv6 headers.*/
+               struct rte_ipv6_hdr *ipv6_hdr;
+
+               ipv6_hdr = rte_pktmbuf_mtod_offset(m, struct rte_ipv6_hdr *,
+                                               sizeof(struct rte_ether_hdr));
+
+               dst_port = em_get_ipv6_dst_port(ipv6_hdr, portid,
+                                       qconf->ipv6_lookup_struct);
+
+               if (dst_port >= RTE_MAX_ETHPORTS ||
+                       (enabled_port_mask & 1 << dst_port) == 0)
+                       dst_port = portid;
+
+               /* dst addr */
+               *(uint64_t *)&eth_hdr->d_addr = dest_eth_addr[dst_port];
+
+               /* src addr */
+               rte_ether_addr_copy(&ports_eth_addr[dst_port],
+                               &eth_hdr->s_addr);
+
+               send_single_packet(qconf, m, dst_port);
+       } else {
+               /* Free the mbuf that contains non-IPV4/IPV6 packet */
+               rte_pktmbuf_free(m);
+       }
+}
+
 /*
  * Buffer non-optimized handling of packets, invoked
  * from main_loop.
  */
 static inline void
 l3fwd_em_no_opt_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;