X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fvconn.c;h=d1b8353b2cf319a2f39a93cb2ad66fe15404ccd4;hb=7778bd15dacc1e410b60ff6ec2996c475a875e6e;hp=12680c5ba54d9f9a7ecd82dd01dbf01a372402b4;hpb=dc6fe1d7ee2f1dbafea795c110ccdbb54a5946e5;p=openvswitch

diff --git a/lib/vconn.c b/lib/vconn.c
index 12680c5b..d1b8353b 100644
--- a/lib/vconn.c
+++ b/lib/vconn.c
@@ -928,6 +928,28 @@ make_add_simple_flow(const flow_t *flow,
     return buffer;
 }
 
+struct ofpbuf *
+make_packet_in(uint32_t buffer_id, uint16_t in_port, uint8_t reason,
+               const struct ofpbuf *payload, int max_send_len)
+{
+    struct ofp_packet_in *opi;
+    struct ofpbuf *buf;
+    int send_len;
+
+    send_len = MIN(max_send_len, payload->size);
+    buf = ofpbuf_new(sizeof *opi + send_len);
+    opi = put_openflow_xid(offsetof(struct ofp_packet_in, data),
+                           OFPT_PACKET_IN, 0, buf);
+    opi->buffer_id = htonl(buffer_id);
+    opi->total_len = htons(payload->size);
+    opi->in_port = htons(in_port);
+    opi->reason = reason;
+    ofpbuf_put(buf, payload->data, send_len);
+    update_openflow_length(buf);
+
+    return buf;
+}
+
 struct ofpbuf *
 make_packet_out(const struct ofpbuf *packet, uint32_t buffer_id,
                 uint16_t in_port,