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Partial migration of UDP to data-xfer interface. (Will not link at

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present; DHCP is broken).
This commit is contained in:
Michael Brown
2007-06-20 01:13:35 +01:00
parent 564ac70a42
commit e381714c07
3 changed files with 323 additions and 344 deletions
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37
src/interface/pxe/pxe_udp.c
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@@ -34,8 +34,6 @@
struct pxe_udp_connection {
/** Data transfer interface to UDP stack */
struct xfer_interface xfer;
/** "Connection is open" flag */
int open;
/** Local address */
struct sockaddr_in local;
/** Current PXENV_UDP_READ parameter block */
@@ -169,21 +167,19 @@ static struct pxe_udp_connection pxe_udp = {
*
*/
PXENV_EXIT_t pxenv_udp_open ( struct s_PXENV_UDP_OPEN *pxenv_udp_open ) {
int rc;
DBG ( "PXENV_UDP_OPEN" );
/* Check connection is not already open */
if ( pxe_udp.open ) {
pxenv_udp_open->Status = PXENV_STATUS_UDP_OPEN;
return PXENV_EXIT_FAILURE;
}
/* Record source IP address */
pxe_udp.local.sin_addr.s_addr = pxenv_udp_open->src_ip;
/* Open promiscuous UDP connection */
udp_open_promisc ( &pxe_udp.xfer );
pxe_udp.open = 1;
xfer_close ( &pxe_udp.xfer, 0 );
if ( ( rc = udp_open_promisc ( &pxe_udp.xfer ) ) != 0 ) {
pxenv_udp_open->Status = PXENV_STATUS ( rc );
return PXENV_EXIT_FAILURE;
}
pxenv_udp_open->Status = PXENV_STATUS_SUCCESS;
return PXENV_EXIT_SUCCESS;
@@ -213,15 +209,8 @@ PXENV_EXIT_t pxenv_udp_open ( struct s_PXENV_UDP_OPEN *pxenv_udp_open ) {
PXENV_EXIT_t pxenv_udp_close ( struct s_PXENV_UDP_CLOSE *pxenv_udp_close ) {
DBG ( "PXENV_UDP_CLOSE" );
/* Check connection is open */
if ( ! pxe_udp.open ) {
pxenv_udp_close->Status = PXENV_STATUS_UDP_CLOSED;
return PXENV_EXIT_SUCCESS; /* Well, it *is* closed */
}
/* Close UDP connection */
udp_close_promisc ( &pxe_udp.xfer );
pxe_udp.open = 0;
xfer_close ( &pxe_udp.xfer, 0 );
pxenv_udp_close->Status = PXENV_STATUS_SUCCESS;
return PXENV_EXIT_SUCCESS;
@@ -281,12 +270,6 @@ PXENV_EXIT_t pxenv_udp_write ( struct s_PXENV_UDP_WRITE *pxenv_udp_write ) {
DBG ( "PXENV_UDP_WRITE" );
/* Check connection is open */
if ( ! pxe_udp.open ) {
pxenv_udp_write->Status = PXENV_STATUS_UDP_CLOSED;
return PXENV_EXIT_FAILURE;
}
/* Construct destination socket address */
memset ( &dest, 0, sizeof ( dest ) );
dest.sin_family = AF_INET;
@@ -383,12 +366,6 @@ PXENV_EXIT_t pxenv_udp_read ( struct s_PXENV_UDP_READ *pxenv_udp_read ) {
DBG ( "PXENV_UDP_READ" );
/* Check connection is open */
if ( ! pxe_udp.open ) {
pxenv_udp_read->Status = PXENV_STATUS_UDP_CLOSED;
return PXENV_EXIT_FAILURE;
}
/* Try receiving a packet */
pxe_udp.pxenv_udp_read = pxenv_udp_read;
step();