X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=app%2Ftest-pmd%2Ficmpecho.c;h=d4b4c9eb4677986814f26bf4b2cee32d1231b54d;hb=07e5f7bd65718461e4c63757248b9c7bab08341f;hp=29aef71115ced28ef019169e3a946545c6e98eb1;hpb=8443ce81935358111e078ade559c3c75cd5f7871;p=dpdk.git

diff --git a/app/test-pmd/icmpecho.c b/app/test-pmd/icmpecho.c
index 29aef71115..d4b4c9eb46 100644
--- a/app/test-pmd/icmpecho.c
+++ b/app/test-pmd/icmpecho.c
@@ -52,7 +52,6 @@
 #include <rte_lcore.h>
 #include <rte_atomic.h>
 #include <rte_branch_prediction.h>
-#include <rte_ring.h>
 #include <rte_memory.h>
 #include <rte_mempool.h>
 #include <rte_mbuf.h>
@@ -62,6 +61,7 @@
 #include <rte_ip.h>
 #include <rte_icmp.h>
 #include <rte_string_fns.h>
+#include <rte_flow.h>
 
 #include "testpmd.h"
 
@@ -200,7 +200,7 @@ ip_proto_name(uint16_t ip_proto)
 		"OSPFIGP",    /**< OSPFIGP */
 
 		"SRPC",       /**< Strite RPC protocol */
-		"LARP",       /**< Locus Address Resoloution */
+		"LARP",       /**< Locus Address Resolution */
 		"MTP",        /**< Multicast Transport */
 		"AX25",       /**< AX.25 Frames */
 		"4IN4",       /**< IP encapsulated in IP */
@@ -282,7 +282,7 @@ ipv4_hdr_cksum(struct ipv4_hdr *ip_h)
 	 * Compute the sum of successive 16-bit words of the IPv4 header,
 	 * skipping the checksum field of the header.
 	 */
-	v16_h = (uint16_t *) ip_h;
+	v16_h = (unaligned_uint16_t *) ip_h;
 	ip_cksum = v16_h[0] + v16_h[1] + v16_h[2] + v16_h[3] +
 		v16_h[4] + v16_h[6] + v16_h[7] + v16_h[8] + v16_h[9];
 
@@ -297,7 +297,7 @@ ipv4_hdr_cksum(struct ipv4_hdr *ip_h)
 	(((rte_be_to_cpu_32((ipv4_addr)) >> 24) & 0x000000FF) == 0xE0)
 
 /*
- * Receive a burst of packets, lookup for ICMP echo requets, and, if any,
+ * Receive a burst of packets, lookup for ICMP echo requests, and, if any,
  * send back ICMP echo replies.
  */
 static void
@@ -311,6 +311,7 @@ reply_to_icmp_echo_rqsts(struct fwd_stream *fs)
 	struct ipv4_hdr *ip_h;
 	struct icmp_hdr *icmp_h;
 	struct ether_addr eth_addr;
+	uint32_t retry;
 	uint32_t ip_addr;
 	uint16_t nb_rx;
 	uint16_t nb_tx;
@@ -346,6 +347,9 @@ reply_to_icmp_echo_rqsts(struct fwd_stream *fs)
 	fs->rx_packets += nb_rx;
 	nb_replies = 0;
 	for (i = 0; i < nb_rx; i++) {
+		if (likely(i < nb_rx - 1))
+			rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[i + 1],
+						       void *));
 		pkt = pkts_burst[i];
 		eth_h = rte_pktmbuf_mtod(pkt, struct ether_hdr *);
 		eth_type = RTE_BE_TO_CPU_16(eth_h->ether_type);
@@ -515,6 +519,20 @@ reply_to_icmp_echo_rqsts(struct fwd_stream *fs)
 	if (nb_replies > 0) {
 		nb_tx = rte_eth_tx_burst(fs->tx_port, fs->tx_queue, pkts_burst,
 					 nb_replies);
+		/*
+		 * Retry if necessary
+		 */
+		if (unlikely(nb_tx < nb_replies) && fs->retry_enabled) {
+			retry = 0;
+			while (nb_tx < nb_replies &&
+					retry++ < burst_tx_retry_num) {
+				rte_delay_us(burst_tx_delay_time);
+				nb_tx += rte_eth_tx_burst(fs->tx_port,
+						fs->tx_queue,
+						&pkts_burst[nb_tx],
+						nb_replies - nb_tx);
+			}
+		}
 		fs->tx_packets += nb_tx;
 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS
 		fs->tx_burst_stats.pkt_burst_spread[nb_tx]++;