diff options
| author | Norbert van Bolhuis <nvbolhuis@aimvalley.nl> | 2009-06-04 09:39:48 +0200 |
|---|---|---|
| committer | Ben Warren <biggerbadderben@gmail.com> | 2009-06-15 00:13:55 -0700 |
| commit | c9a2aab1512fb2d132670fff9c27656d2eb949cd (patch) | |
| tree | 113da0f42f7069aff49031f97c6ae3065125e109 /net/bootp.c | |
| parent | 6e0d2fc7fe0dcfa2f51ab8931d706940ee364193 (diff) | |
A VLAN tagged DHCP request/discover is 4 bytes short
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.
Signed-off-by: Norbert van Bolhuis <nvbolhuis@aimvalley.nl>
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
Diffstat (limited to 'net/bootp.c')
| -rw-r--r-- | net/bootp.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/bootp.c b/net/bootp.c index 3dea70aab0b..77057c6c0a7 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); |