X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=examples%2Fip_fragmentation%2Fmain.c;h=a9efb4baaa08aef7727ad7e0cc2562660cae116b;hb=6d13ea8e8e49ab957deae2bba5ecf4a4bfe747d1;hp=a068b9da398e70c2a044440123b0cc78b4b19a4c;hpb=fdb9eff67f0c83a062580869caa7878f03c54d08;p=dpdk.git

diff --git a/examples/ip_fragmentation/main.c b/examples/ip_fragmentation/main.c
index a068b9da39..a9efb4baaa 100644
--- a/examples/ip_fragmentation/main.c
+++ b/examples/ip_fragmentation/main.c
@@ -55,6 +55,13 @@
 #define	IPV4_MTU_DEFAULT	ETHER_MTU
 #define	IPV6_MTU_DEFAULT	ETHER_MTU
 
+/*
+ * The overhead from max frame size to MTU.
+ * We have to consider the max possible overhead.
+ */
+#define MTU_OVERHEAD	\
+	(ETHER_HDR_LEN + ETHER_CRC_LEN + 2 * sizeof(struct rte_vlan_hdr))
+
 /*
  * Default payload in bytes for the IPv6 packet.
  */
@@ -77,13 +84,13 @@
 /*
  * Configurable number of RX/TX ring descriptors
  */
-#define RTE_TEST_RX_DESC_DEFAULT 128
-#define RTE_TEST_TX_DESC_DEFAULT 512
+#define RTE_TEST_RX_DESC_DEFAULT 1024
+#define RTE_TEST_TX_DESC_DEFAULT 1024
 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
 
 /* ethernet addresses of ports */
-static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
+static struct rte_ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
 
 #ifndef IPv4_BYTES
 #define IPv4_BYTES_FMT "%" PRIu8 ".%" PRIu8 ".%" PRIu8 ".%" PRIu8
@@ -140,10 +147,9 @@ static struct rte_eth_conf port_conf = {
 	.rxmode = {
 		.max_rx_pkt_len = JUMBO_FRAME_MAX_SIZE,
 		.split_hdr_size = 0,
-		.ignore_offload_bitfield = 1,
 		.offloads = (DEV_RX_OFFLOAD_CHECKSUM |
-			     DEV_RX_OFFLOAD_JUMBO_FRAME |
-			     DEV_RX_OFFLOAD_CRC_STRIP),
+			     DEV_RX_OFFLOAD_SCATTER |
+			     DEV_RX_OFFLOAD_JUMBO_FRAME),
 	},
 	.txmode = {
 		.mq_mode = ETH_MQ_TX_NONE,
@@ -246,7 +252,7 @@ l3fwd_simple_forward(struct rte_mbuf *m, struct lcore_queue_conf *qconf,
 	port_out = port_in;
 
 	/* Remove the Ethernet header and trailer from the input packet */
-	rte_pktmbuf_adj(m, (uint16_t)sizeof(struct ether_hdr));
+	rte_pktmbuf_adj(m, (uint16_t)sizeof(struct rte_ether_hdr));
 
 	/* Build transmission burst */
 	len = qconf->tx_mbufs[port_out].len;
@@ -334,13 +340,14 @@ l3fwd_simple_forward(struct rte_mbuf *m, struct lcore_queue_conf *qconf,
 		void *d_addr_bytes;
 
 		m = qconf->tx_mbufs[port_out].m_table[i];
-		struct ether_hdr *eth_hdr = (struct ether_hdr *)
-			rte_pktmbuf_prepend(m, (uint16_t)sizeof(struct ether_hdr));
+		struct rte_ether_hdr *eth_hdr = (struct rte_ether_hdr *)
+			rte_pktmbuf_prepend(m,
+				(uint16_t)sizeof(struct rte_ether_hdr));
 		if (eth_hdr == NULL) {
 			rte_panic("No headroom in mbuf.\n");
 		}
 
-		m->l2_len = sizeof(struct ether_hdr);
+		m->l2_len = sizeof(struct rte_ether_hdr);
 
 		/* 02:00:00:00:00:xx */
 		d_addr_bytes = &eth_hdr->d_addr.addr_bytes[0];
@@ -562,7 +569,7 @@ parse_args(int argc, char **argv)
 }
 
 static void
-print_ethaddr(const char *name, struct ether_addr *eth_addr)
+print_ethaddr(const char *name, struct rte_ether_addr *eth_addr)
 {
 	char buf[ETHER_ADDR_FMT_SIZE];
 	ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
@@ -571,7 +578,7 @@ print_ethaddr(const char *name, struct ether_addr *eth_addr)
 
 /* Check the link status of all ports in up to 9s, and print them finally */
 static void
-check_all_ports_link_status(uint16_t port_num, uint32_t port_mask)
+check_all_ports_link_status(uint32_t port_mask)
 {
 #define CHECK_INTERVAL 100 /* 100ms */
 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
@@ -583,7 +590,7 @@ check_all_ports_link_status(uint16_t port_num, uint32_t port_mask)
 	fflush(stdout);
 	for (count = 0; count <= MAX_CHECK_TIME; count++) {
 		all_ports_up = 1;
-		for (portid = 0; portid < port_num; portid++) {
+		RTE_ETH_FOREACH_DEV(portid) {
 			if ((port_mask & (1 << portid)) == 0)
 				continue;
 			memset(&link, 0, sizeof(link));
@@ -663,11 +670,11 @@ check_ptype(int portid)
 static inline void
 parse_ptype(struct rte_mbuf *m)
 {
-	struct ether_hdr *eth_hdr;
+	struct rte_ether_hdr *eth_hdr;
 	uint32_t packet_type = RTE_PTYPE_UNKNOWN;
 	uint16_t ether_type;
 
-	eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
+	eth_hdr = rte_pktmbuf_mtod(m, struct rte_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;
@@ -843,7 +850,7 @@ main(int argc, char **argv)
 	struct rte_eth_txconf *txconf;
 	struct rx_queue *rxq;
 	int socket, ret;
-	unsigned nb_ports;
+	uint16_t nb_ports;
 	uint16_t queueid = 0;
 	unsigned lcore_id = 0, rx_lcore_id = 0;
 	uint32_t n_tx_queue, nb_lcores;
@@ -861,7 +868,7 @@ main(int argc, char **argv)
 	if (ret < 0)
 		rte_exit(EXIT_FAILURE, "Invalid arguments");
 
-	nb_ports = rte_eth_dev_count();
+	nb_ports = rte_eth_dev_count_avail();
 	if (nb_ports == 0)
 		rte_exit(EXIT_FAILURE, "No ports found!\n");
 
@@ -876,7 +883,7 @@ main(int argc, char **argv)
 		rte_exit(EXIT_FAILURE, "Non-existent ports in portmask!\n");
 
 	/* initialize all ports */
-	for (portid = 0; portid < nb_ports; portid++) {
+	RTE_ETH_FOREACH_DEV(portid) {
 		struct rte_eth_conf local_port_conf = port_conf;
 		struct rte_eth_rxconf rxq_conf;
 
@@ -937,6 +944,16 @@ main(int argc, char **argv)
 				ret, portid);
 		}
 
+		/* set the mtu to the maximum received packet size */
+		ret = rte_eth_dev_set_mtu(portid,
+			local_port_conf.rxmode.max_rx_pkt_len - MTU_OVERHEAD);
+		if (ret < 0) {
+			printf("\n");
+			rte_exit(EXIT_FAILURE, "Set MTU failed: "
+				"err=%d, port=%d\n",
+			ret, portid);
+		}
+
 		ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
 					    &nb_txd);
 		if (ret < 0) {
@@ -973,7 +990,6 @@ main(int argc, char **argv)
 			fflush(stdout);
 
 			txconf = &dev_info.default_txconf;
-			txconf->txq_flags = ETH_TXQ_FLAGS_IGNORE;
 			txconf->offloads = local_port_conf.txmode.offloads;
 			ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
 						     socket, txconf);
@@ -994,7 +1010,7 @@ main(int argc, char **argv)
 	printf("\n");
 
 	/* start ports */
-	for (portid = 0; portid < nb_ports; portid++) {
+	RTE_ETH_FOREACH_DEV(portid) {
 		if ((enabled_port_mask & (1 << portid)) == 0) {
 			continue;
 		}
@@ -1016,7 +1032,7 @@ main(int argc, char **argv)
 	if (init_routing_table() < 0)
 		rte_exit(EXIT_FAILURE, "Cannot init routing table\n");
 
-	check_all_ports_link_status(nb_ports, enabled_port_mask);
+	check_all_ports_link_status(enabled_port_mask);
 
 	/* launch per-lcore init on every lcore */
 	rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);