[3c90x] Fix High-MTU packet reception

Prevent the card from flagging packets of 1518 bytes length as
overlength.

This fixes the High-MTU loopback test.

Signed-off-by: Thomas Miletich <thomas.miletich@gmail.com>
Signed-off-by: Michael Brown <mcb30@ipxe.org>

diff --git a/src/drivers/net/3c90x.c b/src/drivers/net/3c90x.c
index 364492bbc740e8e2dd2fa9dc4ceda52b195ebbb6..853de2b5228b42357af8df01f3abf45e897d8256 100644 (file)
--- a/src/drivers/net/3c90x.c
+++ b/src/drivers/net/3c90x.c
@@ -822,6 +822,10 @@ static int a3c90x_open(struct net_device *netdev)
 
        a3c90x_internal_IssueCommand(inf_3c90x->IOAddr, cmdStallCtl, upUnStall);
 
+       /* set maximum allowed receive packet length */
+       a3c90x_internal_SetWindow(inf_3c90x, winTxRxOptions3);
+       outl(RX_BUF_SIZE, inf_3c90x->IOAddr + regMaxPktSize_3_w);
+
        /* enable packet transmission and reception */
        a3c90x_internal_IssueCommand(inf_3c90x->IOAddr, cmdTxEnable, 0);
        a3c90x_internal_IssueCommand(inf_3c90x->IOAddr, cmdRxEnable, 0);