New upstream version 17.08
[deb_dpdk.git] / examples / ip_reassembly / main.c
index 50fe422..e62636c 100644 (file)
@@ -51,7 +51,6 @@
 #include <rte_memcpy.h>
 #include <rte_memzone.h>
 #include <rte_eal.h>
-#include <rte_per_lcore.h>
 #include <rte_launch.h>
 #include <rte_atomic.h>
 #include <rte_cycles.h>
@@ -200,7 +199,7 @@ static struct rte_eth_conf port_conf = {
                .hw_ip_checksum = 1, /**< IP checksum offload enabled */
                .hw_vlan_filter = 0, /**< VLAN filtering disabled */
                .jumbo_frame    = 1, /**< Jumbo Frame Support disabled */
-               .hw_strip_crc   = 0, /**< CRC stripped by hardware */
+               .hw_strip_crc   = 1, /**< CRC stripped by hardware */
        },
        .rx_adv_conf = {
                        .rss_conf = {
@@ -346,8 +345,8 @@ reassemble(struct rte_mbuf *m, uint8_t portid, uint32_t queue,
        struct rte_ip_frag_death_row *dr;
        struct rx_queue *rxq;
        void *d_addr_bytes;
-       uint32_t next_hop_ipv4;
-       uint8_t next_hop_ipv6, dst_port;
+       uint32_t next_hop;
+       uint8_t dst_port;
 
        rxq = &qconf->rx_queue_list[queue];
 
@@ -390,9 +389,9 @@ reassemble(struct rte_mbuf *m, uint8_t portid, uint32_t queue,
                ip_dst = rte_be_to_cpu_32(ip_hdr->dst_addr);
 
                /* Find destination port */
-               if (rte_lpm_lookup(rxq->lpm, ip_dst, &next_hop_ipv4) == 0 &&
-                               (enabled_port_mask & 1 << next_hop_ipv4) != 0) {
-                       dst_port = next_hop_ipv4;
+               if (rte_lpm_lookup(rxq->lpm, ip_dst, &next_hop) == 0 &&
+                               (enabled_port_mask & 1 << next_hop) != 0) {
+                       dst_port = next_hop;
                }
 
                eth_hdr->ether_type = rte_be_to_cpu_16(ETHER_TYPE_IPv4);
@@ -427,9 +426,10 @@ reassemble(struct rte_mbuf *m, uint8_t portid, uint32_t queue,
                }
 
                /* Find destination port */
-               if (rte_lpm6_lookup(rxq->lpm6, ip_hdr->dst_addr, &next_hop_ipv6) == 0 &&
-                               (enabled_port_mask & 1 << next_hop_ipv6) != 0) {
-                       dst_port = next_hop_ipv6;
+               if (rte_lpm6_lookup(rxq->lpm6, ip_hdr->dst_addr,
+                                               &next_hop) == 0 &&
+                               (enabled_port_mask & 1 << next_hop) != 0) {
+                       dst_port = next_hop;
                }
 
                eth_hdr->ether_type = rte_be_to_cpu_16(ETHER_TYPE_IPv6);
@@ -718,7 +718,7 @@ parse_args(int argc, char **argv)
                argv[optind-1] = prgname;
 
        ret = optind-1;
-       optind = 0; /* reset getopt lib */
+       optind = 1; /* reset getopt lib */
        return ret;
 }
 
@@ -903,7 +903,7 @@ setup_queue_tbl(struct rx_queue *rxq, uint32_t lcore, uint32_t queue)
        nb_mbuf = RTE_MAX(max_flow_num, 2UL * MAX_PKT_BURST) * MAX_FRAG_NUM;
        nb_mbuf *= (port_conf.rxmode.max_rx_pkt_len + BUF_SIZE - 1) / BUF_SIZE;
        nb_mbuf *= 2; /* ipv4 and ipv6 */
-       nb_mbuf += RTE_TEST_RX_DESC_DEFAULT + RTE_TEST_TX_DESC_DEFAULT;
+       nb_mbuf += nb_rxd + nb_txd;
 
        nb_mbuf = RTE_MAX(nb_mbuf, (uint32_t)NB_MBUF);
 
@@ -1062,6 +1062,11 @@ main(int argc, char **argv)
 
                qconf = &lcore_queue_conf[rx_lcore_id];
 
+               /* limit the frame size to the maximum supported by NIC */
+               rte_eth_dev_info_get(portid, &dev_info);
+               port_conf.rxmode.max_rx_pkt_len = RTE_MIN(
+                   dev_info.max_rx_pktlen, port_conf.rxmode.max_rx_pkt_len);
+
                /* get the lcore_id for this port */
                while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
                           qconf->n_rx_queue == (unsigned)rx_queue_per_lcore) {
@@ -1082,6 +1087,14 @@ main(int argc, char **argv)
                rxq->portid = portid;
                rxq->lpm = socket_lpm[socket];
                rxq->lpm6 = socket_lpm6[socket];
+
+               ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
+                                                      &nb_txd);
+               if (ret < 0)
+                       rte_exit(EXIT_FAILURE,
+                                "Cannot adjust number of descriptors: err=%d, port=%d\n",
+                                ret, portid);
+
                if (setup_queue_tbl(rxq, rx_lcore_id, queueid) < 0)
                        rte_exit(EXIT_FAILURE, "Failed to set up queue table\n");
                qconf->n_rx_queue++;
@@ -1128,7 +1141,6 @@ main(int argc, char **argv)
                        printf("txq=%u,%d,%d ", lcore_id, queueid, socket);
                        fflush(stdout);
 
-                       rte_eth_dev_info_get(portid, &dev_info);
                        txconf = &dev_info.default_txconf;
                        txconf->txq_flags = 0;