X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fdpif-netdev.c;h=60fae5fad5b32247ba5689f10e0c7c12e3292892;hb=2e3fa633aad59f9687e2b6e3aad3b0a308aa89fc;hp=fb0a863e3e3378177f6ad2b892d274faf7260945;hpb=2197d7abab6d765013399790d11290562a583b71;p=openvswitch

diff --git a/lib/dpif-netdev.c b/lib/dpif-netdev.c
index fb0a863e..60fae5fa 100644
--- a/lib/dpif-netdev.c
+++ b/lib/dpif-netdev.c
@@ -407,7 +407,16 @@ dpif_netdev_port_add(struct dpif *dpif, struct netdev *netdev,
     struct dp_netdev *dp = get_dp_netdev(dpif);
     int port_no;
 
-    port_no = choose_port(dpif, netdev);
+    if (*port_nop != UINT16_MAX) {
+        if (*port_nop >= MAX_PORTS) {
+            return EFBIG;
+        } else if (dp->ports[*port_nop]) {
+            return EBUSY;
+        }
+        port_no = *port_nop;
+    } else {
+        port_no = choose_port(dpif, netdev);
+    }
     if (port_no >= 0) {
         *port_nop = port_no;
         return do_add_port(dp, netdev_get_name(netdev),
@@ -713,10 +722,9 @@ set_flow_actions(struct dp_netdev_flow *flow,
 }
 
 static int
-add_flow(struct dpif *dpif, const struct flow *key,
-         const struct nlattr *actions, size_t actions_len)
+dp_netdev_flow_add(struct dp_netdev *dp, const struct flow *key,
+                   const struct nlattr *actions, size_t actions_len)
 {
-    struct dp_netdev *dp = get_dp_netdev(dpif);
     struct dp_netdev_flow *flow;
     int error;
 
@@ -762,7 +770,8 @@ dpif_netdev_flow_put(struct dpif *dpif, const struct dpif_flow_put *put)
                 if (put->stats) {
                     memset(put->stats, 0, sizeof *put->stats);
                 }
-                return add_flow(dpif, &key, put->actions, put->actions_len);
+                return dp_netdev_flow_add(dp, &key, put->actions,
+                                          put->actions_len);
             } else {
                 return EFBIG;
             }
@@ -956,7 +965,7 @@ dpif_netdev_recv(struct dpif *dpif, struct dpif_upcall *upcall,
         free(u);
 
         ofpbuf_uninit(buf);
-        *buf = *u->packet;
+        *buf = *upcall->packet;
 
         return 0;
     } else {