The problem is that BOOTP_SIZE uses ETHER_HDR_SIZE which is 14 bytes.
If sending a VLAN tagged frame (when env variable vlan is set) this
should be VLAN_ETHER_HDR_SIZE=18 which is what NetSetEther returns.
diff --git a/net/bootp.c b/net/bootp.c
index 3dea70a..77057c6 100644
--- a/net/bootp.c
+++ b/net/bootp.c
@@ -687,7 +687,7 @@ BootpRequest (void)
* Calculate proper packet lengths taking into account the
* variable size of the options field
*/
- pktlen = BOOTP_SIZE - sizeof(bp->bp_vend) + ext_len;
+ pktlen = ((int)(pkt-NetTxPacket)) + BOOTP_HDR_SIZE -
sizeof(bp->bp_vend) + ext_len;
iplen = BOOTP_HDR_SIZE - sizeof(bp->bp_vend) + ext_len;
NetSetIP(iphdr, 0xFFFFFFFFL, PORT_BOOTPS, PORT_BOOTPC, iplen);
NetSetTimeout(SELECT_TIMEOUT, BootpTimeout);
@@ -860,7 +860,7 @@ static void DhcpSendRequestPkt(Bootp_t *bp_offer)
NetCopyIP(&OfferedIP, &bp_offer->bp_yiaddr);
extlen = DhcpExtended((u8 *)bp->bp_vend, DHCP_REQUEST, NetDHCPServerIP,
OfferedIP);
- pktlen = BOOTP_SIZE - sizeof(bp->bp_vend) + extlen;
+ pktlen = ((int)(pkt-NetTxPacket)) + BOOTP_HDR_SIZE -
sizeof(bp->bp_vend) + extlen;
iplen = BOOTP_HDR_SIZE - sizeof(bp->bp_vend) + extlen;
NetSetIP(iphdr, 0xFFFFFFFFL, PORT_BOOTPS, PORT_BOOTPC, iplen);
--
1.5.2.2
Signed-off-by: Norbert van Bolhuis <nvbolh...@aimvalley.nl>
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