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Use siaddr as the PXE server address first and use option 54 when siaddr is NULL. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2571 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
qhuang8 2007-04-16 05:55:32 +00:00
parent 56056c7cd8
commit 9887e0d069
1 changed files with 12 additions and 7 deletions
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19
EdkModulePkg/Universal/Network/PxeBc/Dxe/pxe_bc_dhcp.c
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@ -1607,14 +1607,19 @@ TryBINL (
DhcpRxBuf = &RxBuf[OfferIx];
//
// send DHCP request
// if fail return false
// use next server address first.
//
CopyMem (
((EFI_IPv4_ADDRESS *) &ServerIp),
&((DHCPV4_OP_SERVER_IP *) DhcpRxBuf->OpAdds.PktOptAdds[OP_DHCP_SERVER_IP_IX - 1])->Ip,
sizeof (EFI_IPv4_ADDRESS)
);
ServerIp.Addr[0] = DhcpRxBuf->u.Dhcpv4.siaddr;
if (ServerIp.Addr[0] == 0) {
//
// next server address is NULL, use option 54.
//
CopyMem (
((EFI_IPv4_ADDRESS *) &ServerIp),
&((DHCPV4_OP_SERVER_IP *) DhcpRxBuf->OpAdds.PktOptAdds[OP_DHCP_SERVER_IP_IX - 1])->Ip,
sizeof (EFI_IPv4_ADDRESS)
);
}
//
// client IP address - filled in by client if it knows it