[undi] Ask for promiscuous packet reception when using UNDI driver

We never set up specific multicast filters; native drivers will ask
the card to receive all multicast packets.  The only way to achieve
this via the UNDI API is to enable promiscuous mode.

diff --git a/src/arch/i386/drivers/net/undinet.c b/src/arch/i386/drivers/net/undinet.c
index 512c60e9d43a5badfaac2d65b7632173e74b929e..09c29abaef0b778b36ccb72172b2d5b1bd44adc0 100644 (file)
--- a/src/arch/i386/drivers/net/undinet.c
+++ b/src/arch/i386/drivers/net/undinet.c
@@ -543,9 +543,13 @@ static int undinet_open ( struct net_device *netdev ) {
        undinet_call ( undinic, PXENV_UNDI_SET_STATION_ADDRESS,
                       &undi_set_address, sizeof ( undi_set_address ) );
 
-       /* Open NIC */
+       /* Open NIC.  We ask for promiscuous operation, since it's the
+        * only way to ask for all multicast addresses.  On any
+        * switched network, it shouldn't really make a difference to
+        * performance.
+        */
        memset ( &undi_open, 0, sizeof ( undi_open ) );
-       undi_open.PktFilter = ( FLTR_DIRECTED | FLTR_BRDCST );
+       undi_open.PktFilter = ( FLTR_DIRECTED | FLTR_BRDCST | FLTR_PRMSCS );
        if ( ( rc = undinet_call ( undinic, PXENV_UNDI_OPEN, &undi_open,
                                   sizeof ( undi_open ) ) ) != 0 )
                goto err;