- if (flow->nw_proto == IPPROTO_TCP) {
- struct tcp_header *tcp;
-
- b->l4 = tcp = ofpbuf_put_zeros(b, sizeof *tcp);
- tcp->tcp_src = flow->tp_src;
- tcp->tcp_dst = flow->tp_dst;
- } else if (flow->nw_proto == IPPROTO_UDP) {
- struct udp_header *udp;
-
- b->l4 = udp = ofpbuf_put_zeros(b, sizeof *udp);
- udp->udp_src = flow->tp_src;
- udp->udp_dst = flow->tp_dst;
- } else if (flow->nw_proto == IPPROTO_ICMP) {
- struct icmp_header *icmp;
-
- b->l4 = icmp = ofpbuf_put_zeros(b, sizeof *icmp);
- icmp->icmp_type = ntohs(flow->tp_src);
- icmp->icmp_code = ntohs(flow->tp_dst);
+ if (flow->frag & FLOW_FRAG_ANY) {
+ ip->ip_frag_off |= htons(IP_MORE_FRAGMENTS);
+ if (flow->frag & FLOW_FRAG_LATER) {
+ ip->ip_frag_off |= htons(100);
+ }
+ }
+ if (!(flow->frag & FLOW_FRAG_ANY)
+ || !(flow->frag & FLOW_FRAG_LATER)) {
+ if (flow->nw_proto == IPPROTO_TCP) {
+ struct tcp_header *tcp;
+
+ b->l4 = tcp = ofpbuf_put_zeros(b, sizeof *tcp);
+ tcp->tcp_src = flow->tp_src;
+ tcp->tcp_dst = flow->tp_dst;
+ } else if (flow->nw_proto == IPPROTO_UDP) {
+ struct udp_header *udp;
+
+ b->l4 = udp = ofpbuf_put_zeros(b, sizeof *udp);
+ udp->udp_src = flow->tp_src;
+ udp->udp_dst = flow->tp_dst;
+ } else if (flow->nw_proto == IPPROTO_ICMP) {
+ struct icmp_header *icmp;
+
+ b->l4 = icmp = ofpbuf_put_zeros(b, sizeof *icmp);
+ icmp->icmp_type = ntohs(flow->tp_src);
+ icmp->icmp_code = ntohs(flow->tp_dst);
+ }