Function populate_ipv4_flow_into_table

dpdk/examples/l3fwd/l3fwd_em.c:369–418

#define BIT_8_TO_15 0x0000ff00

static inline void
populate_ipv4_flow_into_table(const struct rte_hash *h)
{
	int i;
	int32_t ret;
	struct rte_eth_dev_info dev_info;
	char srcbuf[INET6_ADDRSTRLEN];
	char dstbuf[INET6_ADDRSTRLEN];

	mask0 = (rte_xmm_t){.u32 = {BIT_8_TO_15, ALL_32_BITS,
				ALL_32_BITS, ALL_32_BITS} };

	for (i = 0; i < route_num_v4; i++) {
		struct em_rule *entry;
		union ipv4_5tuple_host newkey;
		struct in_addr src;
		struct in_addr dst;

		if ((1 << em_route_base_v4[i].if_out &
				enabled_port_mask) == 0)
			continue;

		entry = &em_route_base_v4[i];
		convert_ipv4_5tuple(&(entry->v4_key), &newkey);
		ret = rte_hash_add_key(h, (void *) &newkey);
		if (ret < 0) {
			rte_exit(EXIT_FAILURE, "Unable to add entry %" PRIu32
				" to the l3fwd hash.\n", i);
		}
		ipv4_l3fwd_out_if[ret] = entry->if_out;
		ret = rte_eth_dev_info_get(em_route_base_v4[i].if_out,
				     &dev_info);
		if (ret != 0)
			rte_exit(EXIT_FAILURE,
				"Error during getting device (port %u) info: %s\n",
				em_route_base_v4[i].if_out, strerror(-ret));

		src.s_addr = htonl(em_route_base_v4[i].v4_key.ip_src);
		dst.s_addr = htonl(em_route_base_v4[i].v4_key.ip_dst);
		printf("EM: Adding route %s, %s, %d, %d, %d (%d) [%s]\n",
			   inet_ntop(AF_INET, &dst, dstbuf, sizeof(dstbuf)),
		       inet_ntop(AF_INET, &src, srcbuf, sizeof(srcbuf)),
			   em_route_base_v4[i].v4_key.port_dst,
			   em_route_base_v4[i].v4_key.port_src,
			   em_route_base_v4[i].v4_key.proto,
		       em_route_base_v4[i].if_out, rte_dev_name(dev_info.device));
	}
	printf("Hash: Adding 0x%" PRIx64 " keys\n",
		(uint64_t)route_num_v4);
}

#define BIT_16_TO_23 0x00ff0000
static inline void