X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;ds=sidebyside;f=app%2Ftest-pmd%2Ficmpecho.c;h=e249e7157e749aee7d2c4f59d549204176a69c66;hb=f3618dcbcff8ae6b2eabf982f4c4fbbc3dd66703;hp=c25a54b656d1bebe39227750e6a20682ed24a94b;hpb=d07180f211c08a0486cbc2e6ada074500674375e;p=dpdk.git

diff --git a/app/test-pmd/icmpecho.c b/app/test-pmd/icmpecho.c
index c25a54b656..e249e7157e 100644
--- a/app/test-pmd/icmpecho.c
+++ b/app/test-pmd/icmpecho.c
@@ -88,7 +88,7 @@ arp_op_name(uint16_t arp_op)
 }
 
 static const char *
-ip_proto_name(uint8_t ip_proto)
+ip_proto_name(uint16_t ip_proto)
 {
 	static const char * ip_proto_names[] = {
 		"IP6HOPOPTS", /**< IP6 hop-by-hop options */
@@ -295,6 +295,7 @@ reply_to_icmp_echo_rqsts(struct fwd_stream *fs)
 	uint16_t vlan_id;
 	uint16_t arp_op;
 	uint16_t arp_pro;
+	uint32_t cksum;
 	uint8_t  i;
 	int l2_len;
 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
@@ -371,18 +372,14 @@ reply_to_icmp_echo_rqsts(struct fwd_stream *fs)
 				continue;
 			}
 			if (verbose_level > 0) {
-				memcpy(&eth_addr,
-				       arp_h->arp_data.arp_ip.arp_sha, 6);
+				ether_addr_copy(&arp_h->arp_data.arp_sha, &eth_addr);
 				ether_addr_dump("        sha=", &eth_addr);
-				memcpy(&ip_addr,
-				       arp_h->arp_data.arp_ip.arp_sip, 4);
+				ip_addr = arp_h->arp_data.arp_sip;
 				ipv4_addr_dump(" sip=", ip_addr);
 				printf("\n");
-				memcpy(&eth_addr,
-				       arp_h->arp_data.arp_ip.arp_tha, 6);
+				ether_addr_copy(&arp_h->arp_data.arp_tha, &eth_addr);
 				ether_addr_dump("        tha=", &eth_addr);
-				memcpy(&ip_addr,
-				       arp_h->arp_data.arp_ip.arp_tip, 4);
+				ip_addr = arp_h->arp_data.arp_tip;
 				ipv4_addr_dump(" tip=", ip_addr);
 				printf("\n");
 			}
@@ -402,17 +399,14 @@ reply_to_icmp_echo_rqsts(struct fwd_stream *fs)
 					&eth_h->s_addr);
 
 			arp_h->arp_op = rte_cpu_to_be_16(ARP_OP_REPLY);
-			memcpy(&eth_addr, arp_h->arp_data.arp_ip.arp_tha, 6);
-			memcpy(arp_h->arp_data.arp_ip.arp_tha,
-			       arp_h->arp_data.arp_ip.arp_sha, 6);
-			memcpy(arp_h->arp_data.arp_ip.arp_sha,
-			       &eth_h->s_addr, 6);
+			ether_addr_copy(&arp_h->arp_data.arp_tha, &eth_addr);
+			ether_addr_copy(&arp_h->arp_data.arp_sha, &arp_h->arp_data.arp_tha);
+			ether_addr_copy(&eth_h->s_addr, &arp_h->arp_data.arp_sha);
 
 			/* Swap IP addresses in ARP payload */
-			memcpy(&ip_addr, arp_h->arp_data.arp_ip.arp_sip, 4);
-			memcpy(arp_h->arp_data.arp_ip.arp_sip,
-			       arp_h->arp_data.arp_ip.arp_tip, 4);
-			memcpy(arp_h->arp_data.arp_ip.arp_tip, &ip_addr, 4);
+			ip_addr = arp_h->arp_data.arp_sip;
+			arp_h->arp_data.arp_sip = arp_h->arp_data.arp_tip;
+			arp_h->arp_data.arp_tip = ip_addr;
 			pkts_burst[nb_replies++] = pkt;
 			continue;
 		}
@@ -452,7 +446,8 @@ reply_to_icmp_echo_rqsts(struct fwd_stream *fs)
 		 * - switch IPv4 source and destinations addresses,
 		 * - set IP_ICMP_ECHO_REPLY in ICMP header.
 		 * No need to re-compute the IP header checksum.
-		 * Reset ICMP checksum.
+		 * ICMP checksum is computed by assuming it is valid in the
+		 * echo request and not verified.
 		 */
 		ether_addr_copy(&eth_h->s_addr, &eth_addr);
 		ether_addr_copy(&eth_h->d_addr, &eth_h->s_addr);
@@ -461,7 +456,12 @@ reply_to_icmp_echo_rqsts(struct fwd_stream *fs)
 		ip_h->src_addr = ip_h->dst_addr;
 		ip_h->dst_addr = ip_addr;
 		icmp_h->icmp_type = IP_ICMP_ECHO_REPLY;
-		icmp_h->icmp_cksum = 0;
+		cksum = ~icmp_h->icmp_cksum & 0xffff;
+		cksum += ~htons(IP_ICMP_ECHO_REQUEST << 8) & 0xffff;
+		cksum += htons(IP_ICMP_ECHO_REPLY << 8);
+		cksum = (cksum & 0xffff) + (cksum >> 16);
+		cksum = (cksum & 0xffff) + (cksum >> 16);
+		icmp_h->icmp_cksum = ~cksum;
 		pkts_burst[nb_replies++] = pkt;
 	}