tools/pktgen: Setup header length properly

diff --git a/tools/tools/netrate/pktgen/pktgen.c b/tools/tools/netrate/pktgen/pktgen.c
index 31e67f6..1d1dde2 100644 (file)
--- a/tools/tools/netrate/pktgen/pktgen.c
+++ b/tools/tools/netrate/pktgen/pktgen.c
@@ -402,6 +402,8 @@ pktgen_udp_thread1(void *arg)
                                       ui->ui_dst.s_addr, psum);
                m->m_pkthdr.csum_flags = (CSUM_IP | CSUM_UDP);
                m->m_pkthdr.csum_data = offsetof(struct udphdr, uh_sum);
+               m->m_pkthdr.csum_iphlen = sizeof(struct ip);
+               m->m_pkthdr.csum_thlen = sizeof(struct udphdr);
 
                ip = (struct ip *)ui;
                ip->ip_len = ip_len;