udatapath: Implement ZERO_TCP_FLAGS option.

[openvswitch] / utilities / ovs-ofctl.c

diff --git a/utilities/ovs-ofctl.c b/utilities/ovs-ofctl.c
index a39e99fcf3ac78052cee4cc6667c9b9791f3bcff..665a2c7a658e318175048912bd10e75eae279960 100644 (file)
--- a/utilities/ovs-ofctl.c
+++ b/utilities/ovs-ofctl.c
@@ -442,8 +442,8 @@ str_to_u32(const char *str)
 static void
 str_to_mac(const char *str, uint8_t mac[6]) 
 {
-    if (sscanf(str, "%"SCNx8":%"SCNx8":%"SCNx8":%"SCNx8":%"SCNx8":%"SCNx8,
-               &mac[0], &mac[1], &mac[2], &mac[3], &mac[4], &mac[5]) != 6) {
+    if (sscanf(str, ETH_ADDR_SCAN_FMT, ETH_ADDR_SCAN_ARGS(mac))
+        != ETH_ADDR_SCAN_COUNT) {
         ovs_fatal(0, "invalid mac address %s", str);
     }
 }
@@ -617,6 +617,8 @@ str_to_action(char *str, struct ofpbuf *b)
              * packet to the controller. */
             if (arg && (strspn(act, "0123456789") == strlen(act))) {
                oao->max_len = htons(str_to_u32(arg));
+            } else {
+                oao->max_len = htons(UINT16_MAX);
             }
         } else if (parse_port_name(act, &port)) {
             put_output_action(b, port);
@@ -916,11 +918,15 @@ do_mod_flows(const struct settings *s, int argc UNUSED, char *argv[])
     struct vconn *vconn;
     struct ofpbuf *buffer;
     struct ofp_flow_mod *ofm;
+    struct ofp_match match;
 
-    /* Parse and send. */
-    ofm = make_openflow(sizeof *ofm, OFPT_FLOW_MOD, &buffer);
-    str_to_flow(argv[2], &ofm->match, buffer,
+    /* Parse and send.  str_to_flow() will expand and reallocate the data in
+     * 'buffer', so we can't keep pointers to across the str_to_flow() call. */
+    make_openflow(sizeof *ofm, OFPT_FLOW_MOD, &buffer);
+    str_to_flow(argv[2], &match, buffer,
                 NULL, NULL, &priority, &idle_timeout, &hard_timeout);
+    ofm = buffer->data;
+    ofm->match = match;
     if (s->strict) {
         ofm->command = htons(OFPFC_MODIFY_STRICT);
     } else {