fix typos using codespell utility
[dpdk.git] / examples / ip_fragmentation / main.c
index ac57555..654b315 100644 (file)
@@ -49,7 +49,6 @@
 #include <rte_memory.h>
 #include <rte_memcpy.h>
 #include <rte_memzone.h>
-#include <rte_tailq.h>
 #include <rte_eal.h>
 #include <rte_per_lcore.h>
 #include <rte_launch.h>
@@ -65,7 +64,6 @@
 #include <rte_debug.h>
 #include <rte_ether.h>
 #include <rte_ethdev.h>
-#include <rte_ring.h>
 #include <rte_mempool.h>
 #include <rte_mbuf.h>
 #include <rte_lpm.h>
 
 #include <rte_ip_frag.h>
 
-#include "main.h"
-
 #define RTE_LOGTYPE_IP_FRAG RTE_LOGTYPE_USER1
 
-#define MBUF_SIZE (2048 + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM)
-
 /* allow max jumbo frame 9.5 KB */
 #define JUMBO_FRAME_MAX_SIZE   0x2600
 
 
 #define NB_MBUF   8192
 
-/*
- * RX and TX Prefetch, Host, and Write-back threshold values should be
- * carefully set for optimal performance. Consult the network
- * controller's datasheet and supporting DPDK documentation for guidance
- * on how these parameters should be set.
- */
-#define RX_PTHRESH 8 /**< Default values of RX prefetch threshold reg. */
-#define RX_HTHRESH 8 /**< Default values of RX host threshold reg. */
-#define RX_WTHRESH 4 /**< Default values of RX write-back threshold reg. */
-
-/*
- * These default values are optimized for use with the Intel(R) 82599 10 GbE
- * Controller and the DPDK ixgbe PMD. Consider using other values for other
- * network controllers and/or network drivers.
- */
-#define TX_PTHRESH 36 /**< Default values of TX prefetch threshold reg. */
-#define TX_HTHRESH 0  /**< Default values of TX host threshold reg. */
-#define TX_WTHRESH 0  /**< Default values of TX write-back threshold reg. */
-
 #define MAX_PKT_BURST  32
 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
 
@@ -193,7 +168,7 @@ struct lcore_queue_conf {
 } __rte_cache_aligned;
 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
 
-static const struct rte_eth_conf port_conf = {
+static struct rte_eth_conf port_conf = {
        .rxmode = {
                .max_rx_pkt_len = JUMBO_FRAME_MAX_SIZE,
                .split_hdr_size = 0,
@@ -201,31 +176,13 @@ static const 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 enabled */
-               .hw_strip_crc   = 0, /**< CRC stripped by hardware */
+               .hw_strip_crc   = 1, /**< CRC stripped by hardware */
        },
        .txmode = {
                .mq_mode = ETH_MQ_TX_NONE,
        },
 };
 
-static const struct rte_eth_rxconf rx_conf = {
-       .rx_thresh = {
-               .pthresh = RX_PTHRESH,
-               .hthresh = RX_HTHRESH,
-               .wthresh = RX_WTHRESH,
-       },
-};
-
-static const struct rte_eth_txconf tx_conf = {
-       .tx_thresh = {
-               .pthresh = TX_PTHRESH,
-               .hthresh = TX_HTHRESH,
-               .wthresh = TX_WTHRESH,
-       },
-       .tx_free_thresh = 0, /* Use PMD default values */
-       .tx_rs_thresh = 0, /* Use PMD default values */
-};
-
 /*
  * IPv4 forwarding table
  */
@@ -308,8 +265,8 @@ l3fwd_simple_forward(struct rte_mbuf *m, struct lcore_queue_conf *qconf,
                uint8_t queueid, uint8_t port_in)
 {
        struct rx_queue *rxq;
-       uint32_t i, len;
-       uint8_t next_hop, port_out, ipv6;
+       uint32_t i, len, next_hop;
+       uint8_t port_out, ipv6;
        int32_t len2;
 
        ipv6 = 0;
@@ -325,7 +282,7 @@ l3fwd_simple_forward(struct rte_mbuf *m, struct lcore_queue_conf *qconf,
        len = qconf->tx_mbufs[port_out].len;
 
        /* if this is an IPv4 packet */
-       if (m->ol_flags & PKT_RX_IPV4_HDR) {
+       if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) {
                struct ipv4_hdr *ip_hdr;
                uint32_t ip_dst;
                /* Read the lookup key (i.e. ip_dst) from the input packet */
@@ -342,7 +299,7 @@ l3fwd_simple_forward(struct rte_mbuf *m, struct lcore_queue_conf *qconf,
                }
 
                /* if we don't need to do any fragmentation */
-               if (likely (IPV4_MTU_DEFAULT >= m->pkt.pkt_len)) {
+               if (likely (IPV4_MTU_DEFAULT >= m->pkt_len)) {
                        qconf->tx_mbufs[port_out].m_table[len] = m;
                        len2 = 1;
                } else {
@@ -359,9 +316,8 @@ l3fwd_simple_forward(struct rte_mbuf *m, struct lcore_queue_conf *qconf,
                        if (unlikely (len2 < 0))
                                return;
                }
-       }
-       /* if this is an IPv6 packet */
-       else if (m->ol_flags & PKT_RX_IPV6_HDR) {
+       } else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) {
+               /* if this is an IPv6 packet */
                struct ipv6_hdr *ip_hdr;
 
                ipv6 = 1;
@@ -370,7 +326,8 @@ l3fwd_simple_forward(struct rte_mbuf *m, struct lcore_queue_conf *qconf,
                ip_hdr = rte_pktmbuf_mtod(m, struct ipv6_hdr *);
 
                /* Find destination port */
-               if (rte_lpm6_lookup(rxq->lpm6, ip_hdr->dst_addr, &next_hop) == 0 &&
+               if (rte_lpm6_lookup(rxq->lpm6, ip_hdr->dst_addr,
+                                               &next_hop) == 0 &&
                                (enabled_port_mask & 1 << next_hop) != 0) {
                        port_out = next_hop;
 
@@ -379,7 +336,7 @@ l3fwd_simple_forward(struct rte_mbuf *m, struct lcore_queue_conf *qconf,
                }
 
                /* if we don't need to do any fragmentation */
-               if (likely (IPV6_MTU_DEFAULT >= m->pkt.pkt_len)) {
+               if (likely (IPV6_MTU_DEFAULT >= m->pkt_len)) {
                        qconf->tx_mbufs[port_out].m_table[len] = m;
                        len2 = 1;
                } else {
@@ -413,7 +370,7 @@ l3fwd_simple_forward(struct rte_mbuf *m, struct lcore_queue_conf *qconf,
                        rte_panic("No headroom in mbuf.\n");
                }
 
-               m->pkt.vlan_macip.f.l2_len = sizeof(struct ether_hdr);
+               m->l2_len = sizeof(struct ether_hdr);
 
                /* 02:00:00:00:00:xx */
                d_addr_bytes = &eth_hdr->d_addr.addr_bytes[0];
@@ -630,20 +587,16 @@ 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;
 }
 
 static void
 print_ethaddr(const char *name, struct ether_addr *eth_addr)
 {
-       printf("%s%02X:%02X:%02X:%02X:%02X:%02X", name,
-              eth_addr->addr_bytes[0],
-              eth_addr->addr_bytes[1],
-              eth_addr->addr_bytes[2],
-              eth_addr->addr_bytes[3],
-              eth_addr->addr_bytes[4],
-              eth_addr->addr_bytes[5]);
+       char buf[ETHER_ADDR_FMT_SIZE];
+       ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
+       printf("%s%s", name, buf);
 }
 
 /* Check the link status of all ports in up to 9s, and print them finally */
@@ -678,7 +631,7 @@ check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
                                continue;
                        }
                        /* clear all_ports_up flag if any link down */
-                       if (link.link_status == 0) {
+                       if (link.link_status == ETH_LINK_DOWN) {
                                all_ports_up = 0;
                                break;
                        }
@@ -701,6 +654,74 @@ check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
        }
 }
 
+/* Check L3 packet type detection capablity of the NIC port */
+static int
+check_ptype(int portid)
+{
+       int i, ret;
+       int ptype_l3_ipv4 = 0, ptype_l3_ipv6 = 0;
+       uint32_t ptype_mask = RTE_PTYPE_L3_MASK;
+
+       ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, NULL, 0);
+       if (ret <= 0)
+               return 0;
+
+       uint32_t ptypes[ret];
+
+       ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, ptypes, ret);
+       for (i = 0; i < ret; ++i) {
+               if (ptypes[i] & RTE_PTYPE_L3_IPV4)
+                       ptype_l3_ipv4 = 1;
+               if (ptypes[i] & RTE_PTYPE_L3_IPV6)
+                       ptype_l3_ipv6 = 1;
+       }
+
+       if (ptype_l3_ipv4 == 0)
+               printf("port %d cannot parse RTE_PTYPE_L3_IPV4\n", portid);
+
+       if (ptype_l3_ipv6 == 0)
+               printf("port %d cannot parse RTE_PTYPE_L3_IPV6\n", portid);
+
+       if (ptype_l3_ipv4 && ptype_l3_ipv6)
+               return 1;
+
+       return 0;
+
+}
+
+/* Parse packet type of a packet by SW */
+static inline void
+parse_ptype(struct rte_mbuf *m)
+{
+       struct ether_hdr *eth_hdr;
+       uint32_t packet_type = RTE_PTYPE_UNKNOWN;
+       uint16_t ether_type;
+
+       eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
+       ether_type = eth_hdr->ether_type;
+       if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4))
+               packet_type |= RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
+       else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv6))
+               packet_type |= RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
+
+       m->packet_type = packet_type;
+}
+
+/* callback function to detect packet type for a queue of a port */
+static uint16_t
+cb_parse_ptype(uint8_t port __rte_unused, uint16_t queue __rte_unused,
+                  struct rte_mbuf *pkts[], uint16_t nb_pkts,
+                  uint16_t max_pkts __rte_unused,
+                  void *user_param __rte_unused)
+{
+       uint16_t i;
+
+       for (i = 0; i < nb_pkts; ++i)
+               parse_ptype(pkts[i]);
+
+       return nb_pkts;
+}
+
 static int
 init_routing_table(void)
 {
@@ -768,6 +789,7 @@ init_mem(void)
        struct rte_mempool *mp;
        struct rte_lpm *lpm;
        struct rte_lpm6 *lpm6;
+       struct rte_lpm_config lpm_config;
        int socket;
        unsigned lcore_id;
 
@@ -786,14 +808,10 @@ init_mem(void)
                if (socket_direct_pool[socket] == NULL) {
                        RTE_LOG(INFO, IP_FRAG, "Creating direct mempool on socket %i\n",
                                        socket);
-                       rte_snprintf(buf, sizeof(buf), "pool_direct_%i", socket);
-
-                       mp = rte_mempool_create(buf, NB_MBUF,
-                                                  MBUF_SIZE, 32,
-                                                  sizeof(struct rte_pktmbuf_pool_private),
-                                                  rte_pktmbuf_pool_init, NULL,
-                                                  rte_pktmbuf_init, NULL,
-                                                  socket, 0);
+                       snprintf(buf, sizeof(buf), "pool_direct_%i", socket);
+
+                       mp = rte_pktmbuf_pool_create(buf, NB_MBUF, 32,
+                               0, RTE_MBUF_DEFAULT_BUF_SIZE, socket);
                        if (mp == NULL) {
                                RTE_LOG(ERR, IP_FRAG, "Cannot create direct mempool\n");
                                return -1;
@@ -804,14 +822,10 @@ init_mem(void)
                if (socket_indirect_pool[socket] == NULL) {
                        RTE_LOG(INFO, IP_FRAG, "Creating indirect mempool on socket %i\n",
                                        socket);
-                       rte_snprintf(buf, sizeof(buf), "pool_indirect_%i", socket);
-
-                       mp = rte_mempool_create(buf, NB_MBUF,
-                                                          sizeof(struct rte_mbuf), 32,
-                                                          0,
-                                                          NULL, NULL,
-                                                          rte_pktmbuf_init, NULL,
-                                                          socket, 0);
+                       snprintf(buf, sizeof(buf), "pool_indirect_%i", socket);
+
+                       mp = rte_pktmbuf_pool_create(buf, NB_MBUF, 32, 0, 0,
+                               socket);
                        if (mp == NULL) {
                                RTE_LOG(ERR, IP_FRAG, "Cannot create indirect mempool\n");
                                return -1;
@@ -821,9 +835,13 @@ init_mem(void)
 
                if (socket_lpm[socket] == NULL) {
                        RTE_LOG(INFO, IP_FRAG, "Creating LPM table on socket %i\n", socket);
-                       rte_snprintf(buf, sizeof(buf), "IP_FRAG_LPM_%i", socket);
+                       snprintf(buf, sizeof(buf), "IP_FRAG_LPM_%i", socket);
+
+                       lpm_config.max_rules = LPM_MAX_RULES;
+                       lpm_config.number_tbl8s = 256;
+                       lpm_config.flags = 0;
 
-                       lpm = rte_lpm_create(buf, socket, LPM_MAX_RULES, 0);
+                       lpm = rte_lpm_create(buf, socket, &lpm_config);
                        if (lpm == NULL) {
                                RTE_LOG(ERR, IP_FRAG, "Cannot create LPM table\n");
                                return -1;
@@ -833,9 +851,9 @@ init_mem(void)
 
                if (socket_lpm6[socket] == NULL) {
                        RTE_LOG(INFO, IP_FRAG, "Creating LPM6 table on socket %i\n", socket);
-                       rte_snprintf(buf, sizeof(buf), "IP_FRAG_LPM_%i", socket);
+                       snprintf(buf, sizeof(buf), "IP_FRAG_LPM_%i", socket);
 
-                       lpm6 = rte_lpm6_create("IP_FRAG_LPM6", socket, &lpm6_config);
+                       lpm6 = rte_lpm6_create(buf, socket, &lpm6_config);
                        if (lpm6 == NULL) {
                                RTE_LOG(ERR, IP_FRAG, "Cannot create LPM table\n");
                                return -1;
@@ -848,9 +866,11 @@ init_mem(void)
 }
 
 int
-MAIN(int argc, char **argv)
+main(int argc, char **argv)
 {
        struct lcore_queue_conf *qconf;
+       struct rte_eth_dev_info dev_info;
+       struct rte_eth_txconf *txconf;
        struct rx_queue *rxq;
        int socket, ret;
        unsigned nb_ports;
@@ -871,13 +891,8 @@ MAIN(int argc, char **argv)
        if (ret < 0)
                rte_exit(EXIT_FAILURE, "Invalid arguments");
 
-       if (rte_eal_pci_probe() < 0)
-               rte_panic("Cannot probe PCI\n");
-
        nb_ports = rte_eth_dev_count();
-       if (nb_ports > RTE_MAX_ETHPORTS)
-               nb_ports = RTE_MAX_ETHPORTS;
-       else if (nb_ports == 0)
+       if (nb_ports == 0)
                rte_exit(EXIT_FAILURE, "No ports found!\n");
 
        nb_lcores = rte_lcore_count();
@@ -900,6 +915,11 @@ 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) {
@@ -911,7 +931,7 @@ MAIN(int argc, char **argv)
                        qconf = &lcore_queue_conf[rx_lcore_id];
                }
 
-               socket = rte_eth_dev_socket_id(portid);
+               socket = (int) rte_lcore_to_socket_id(rx_lcore_id);
                if (socket == SOCKET_ID_ANY)
                        socket = 0;
 
@@ -942,7 +962,7 @@ MAIN(int argc, char **argv)
 
                /* init one RX queue */
                ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
-                                            socket, &rx_conf,
+                                            socket, NULL,
                                             socket_direct_pool[socket]);
                if (ret < 0) {
                        printf("\n");
@@ -964,8 +984,11 @@ MAIN(int argc, char **argv)
                        socket = (int) rte_lcore_to_socket_id(lcore_id);
                        printf("txq=%u,%d ", lcore_id, queueid);
                        fflush(stdout);
+
+                       txconf = &dev_info.default_txconf;
+                       txconf->txq_flags = 0;
                        ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
-                                                    socket, &tx_conf);
+                                                    socket, txconf);
                        if (ret < 0) {
                                printf("\n");
                                rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: "
@@ -994,6 +1017,12 @@ MAIN(int argc, char **argv)
                                ret, portid);
 
                rte_eth_promiscuous_enable(portid);
+
+               if (check_ptype(portid) == 0) {
+                       rte_eth_add_rx_callback(portid, 0, cb_parse_ptype, NULL);
+                       printf("Add Rx callback function to detect L3 packet type by SW :"
+                               " port = %d\n", portid);
+               }
        }
 
        if (init_routing_table() < 0)