if (flow->nw_frag) {
memset(&wc->masks.nw_frag, 0xff, sizeof wc->masks.nw_frag);
+ if (flow->nw_frag & FLOW_NW_FRAG_LATER) {
+ /* No transport layer header in later fragments. */
+ return;
+ }
}
if (flow->nw_proto == IPPROTO_ICMP ||
memset(&wc->masks.tp_src, 0xff, sizeof wc->masks.tp_src);
memset(&wc->masks.tp_dst, 0xff, sizeof wc->masks.tp_dst);
}
+ if (flow->nw_proto == IPPROTO_TCP) {
+ memset(&wc->masks.tcp_flags, 0xff, sizeof wc->masks.tcp_flags);
+ }
if (flow->nw_proto == IPPROTO_ICMPV6) {
memset(&wc->masks.arp_sha, 0xff, sizeof wc->masks.arp_sha);
return;
}
-/* Converts the flow in 'flow' into an exact-match match in 'match'. */
-void
-match_init_exact(struct match *match, const struct flow *flow)
-{
- match->flow = *flow;
- match->flow.skb_priority = 0;
- flow_wildcards_init_exact(&match->wc);
-}
-
/* Initializes 'match' as a "catch-all" match that matches every packet. */
void
match_init_catchall(struct match *match)
match->wc.masks.tp_dst = mask;
}
+void
+match_set_tcp_flags(struct match *match, ovs_be16 flags)
+{
+ match_set_tcp_flags_masked(match, flags, OVS_BE16_MAX);
+}
+
+void
+match_set_tcp_flags_masked(struct match *match, ovs_be16 flags, ovs_be16 mask)
+{
+ match->flow.tcp_flags = flags & mask;
+ match->wc.masks.tcp_flags = mask;
+}
+
void
match_set_nw_proto(struct match *match, uint8_t nw_proto)
{
int i;
- BUILD_ASSERT_DECL(FLOW_WC_SEQ == 21);
+ BUILD_ASSERT_DECL(FLOW_WC_SEQ == 22);
if (priority != OFP_DEFAULT_PRIORITY) {
ds_put_format(s, "priority=%u,", priority);
format_be16_masked(s, "tp_src", f->tp_src, wc->masks.tp_src);
format_be16_masked(s, "tp_dst", f->tp_dst, wc->masks.tp_dst);
}
+ if (is_ip_any(f) && f->nw_proto == IPPROTO_TCP && wc->masks.tcp_flags) {
+ if (wc->masks.tcp_flags == htons(UINT16_MAX)) {
+ ds_put_format(s, "tcp_flags=0x%03"PRIx16",", ntohs(f->tcp_flags));
+ } else {
+ ds_put_format(s, "tcp_flags=0x%03"PRIx16"/0x%03"PRIx16",",
+ ntohs(f->tcp_flags), ntohs(wc->masks.tcp_flags));
+ }
+ }
if (s->length > start_len && ds_last(s) == ',') {
s->length--;