Add a couple of small but vital parts to PXENV_UDP_WRITE.

diff --git a/src/interface/pxe/pxe_udp.c b/src/interface/pxe/pxe_udp.c
index 8dced9e..5f94e8c 100644 (file)
--- a/src/interface/pxe/pxe_udp.c
+++ b/src/interface/pxe/pxe_udp.c
@@ -285,6 +285,7 @@ PXENV_EXIT_t pxenv_udp_write ( struct s_PXENV_UDP_WRITE *pxenv_udp_write ) {
                struct sockaddr_in sin;
                struct sockaddr_tcpip st;
        } dest;
+       int rc;
 
        DBG ( "PXENV_UDP_WRITE" );
 
@@ -299,6 +300,7 @@ PXENV_EXIT_t pxenv_udp_write ( struct s_PXENV_UDP_WRITE *pxenv_udp_write ) {
        dest.sin.sin_family = AF_INET;
        dest.sin.sin_addr.s_addr = pxenv_udp_write->ip;
        dest.sin.sin_port = pxenv_udp_write->dst_port;
+       udp_connect ( &pxe_udp.udp, &dest.st );
 
        /* Set local (source) port.  PXE spec says source port is 2069
         * if not specified.  Really, this ought to be set at UDP open
@@ -312,9 +314,18 @@ PXENV_EXIT_t pxenv_udp_write ( struct s_PXENV_UDP_WRITE *pxenv_udp_write ) {
         * confident of being able to do our own routing.  We should
         * probably allow for multiple gateways.
         */
+
+       DBG ( " %04x:%04x+%x %d->%s:%d", pxenv_udp_write->buffer.segment,
+             pxenv_udp_write->buffer.offset, pxenv_udp_write->buffer_size,
+             ntohs ( pxenv_udp_write->src_port ),
+             inet_ntoa ( dest.sin.sin_addr ),
+             ntohs ( pxenv_udp_write->dst_port ) );
        
        /* Transmit packet */
-       if ( udp_senddata ( &pxe_udp.udp ) != 0 ) {
+       pxe_udp.pxenv_udp_write = pxenv_udp_write;
+       rc = udp_senddata ( &pxe_udp.udp );
+       pxe_udp.pxenv_udp_write = NULL;
+       if ( rc != 0 ) {
                pxenv_udp_write->Status = PXENV_STATUS_UNDI_TRANSMIT_ERROR;
                return PXENV_EXIT_FAILURE;
        }