better dependencies for external links
[sliver-openvswitch.git] / lib / ofp-util.c
index ef8de6b..6b78f84 100644 (file)
@@ -84,7 +84,7 @@ ofputil_netmask_to_wcbits(ovs_be32 netmask)
 void
 ofputil_wildcard_from_ofpfw10(uint32_t ofpfw, struct flow_wildcards *wc)
 {
-    BUILD_ASSERT_DECL(FLOW_WC_SEQ == 19);
+    BUILD_ASSERT_DECL(FLOW_WC_SEQ == 20);
 
     /* Initialize most of wc. */
     flow_wildcards_init_catchall(wc);
@@ -1058,7 +1058,7 @@ ofputil_usable_protocols(const struct match *match)
 {
     const struct flow_wildcards *wc = &match->wc;
 
-    BUILD_ASSERT_DECL(FLOW_WC_SEQ == 19);
+    BUILD_ASSERT_DECL(FLOW_WC_SEQ == 20);
 
     /* tunnel params other than tun_id can't be sent in a flow_mod */
     if (!tun_parms_fully_wildcarded(wc)) {
@@ -2345,7 +2345,7 @@ ofputil_decode_flow_removed(struct ofputil_flow_removed *fr,
         fr->priority = ntohs(nfr->priority);
         fr->cookie = nfr->cookie;
         fr->reason = nfr->reason;
-        fr->table_id = 255;
+        fr->table_id = nfr->table_id ? nfr->table_id - 1 : 255;
         fr->duration_sec = ntohl(nfr->duration_sec);
         fr->duration_nsec = ntohl(nfr->duration_nsec);
         fr->idle_timeout = ntohs(nfr->idle_timeout);
@@ -2424,6 +2424,7 @@ ofputil_encode_flow_removed(const struct ofputil_flow_removed *fr,
         nfr->cookie = fr->cookie;
         nfr->priority = htons(fr->priority);
         nfr->reason = fr->reason;
+        nfr->table_id = fr->table_id + 1;
         nfr->duration_sec = htonl(fr->duration_sec);
         nfr->duration_nsec = htonl(fr->duration_nsec);
         nfr->idle_timeout = htons(fr->idle_timeout);
@@ -3400,8 +3401,9 @@ ofputil_decode_role_message(const struct ofp_header *oh,
         }
 
         rr->role = ntohl(orr->role);
-        if (raw == OFPRAW_OFPT12_ROLE_REPLY
-            || orr->role == htonl(OFPCR12_ROLE_NOCHANGE)) {
+        if (raw == OFPRAW_OFPT12_ROLE_REQUEST
+            ? orr->role == htonl(OFPCR12_ROLE_NOCHANGE)
+            : orr->generation_id == htonll(UINT64_MAX)) {
             rr->have_generation_id = false;
             rr->generation_id = 0;
         } else {
@@ -3447,20 +3449,11 @@ ofputil_encode_role_reply(const struct ofp_header *request,
 
         buf = ofpraw_alloc_reply(OFPRAW_OFPT12_ROLE_REPLY, request, 0);
         orr = ofpbuf_put_zeros(buf, sizeof *orr);
-        orr->role = htonl(rr->role);
 
-        /*
-         * OpenFlow specification does not specify use of generation_id field
-         * on reply messages.  Intuitively, it would seem a good idea to return
-         * the current value.  However, the current value is undefined
-         * initially, and there is no way to insert an undefined value in the
-         * message.  Therefore we leave the generation_id zeroed on reply
-         * messages.
-         *
-         * A request for clarification has been filed with the Open Networking
-         * Foundation as EXT-272.
-         */
-        orr->generation_id = htonll(0);
+        orr->role = htonl(rr->role);
+        orr->generation_id = htonll(rr->have_generation_id
+                                    ? rr->generation_id
+                                    : UINT64_MAX);
     } else if (raw == OFPRAW_NXT_ROLE_REQUEST) {
         struct nx_role_request *nrr;