Function l3fwd_simple_forward

dpdk/examples/l3fwd-power/main.c:686–766

}

static inline void
l3fwd_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;
	void *d_addr_bytes;
	uint16_t dst_port;

	eth_hdr = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);

	if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) {
		/* 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 = 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;

		/* 02:00:00:00:00:xx */
		d_addr_bytes = &eth_hdr->dst_addr.addr_bytes[0];
		*((uint64_t *)d_addr_bytes) =
			0x000000000002 + ((uint64_t)dst_port << 40);

#ifdef DO_RFC_1812_CHECKS
		/* Update time to live and header checksum */
		--(ipv4_hdr->time_to_live);
		++(ipv4_hdr->hdr_checksum);
#endif

		/* src addr */
		rte_ether_addr_copy(&ports_eth_addr[dst_port],
				&eth_hdr->src_addr);

		send_single_packet(m, dst_port);
	} else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) {
		/* Handle IPv6 headers.*/
#if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
		struct rte_ipv6_hdr *ipv6_hdr;

		ipv6_hdr =
			rte_pktmbuf_mtod_offset(m, struct rte_ipv6_hdr *,
						sizeof(struct rte_ether_hdr));

		dst_port = get_ipv6_dst_port(ipv6_hdr, portid,
					qconf->ipv6_lookup_struct);