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| author | Shao Miller | 2009-10-22 23:00:24 +0200 |
|---|---|---|
| committer | Marty Connor | 2010-01-14 17:13:10 +0100 |
| commit | 9de525c34cad0252fe6ff823ee7e18240e472298 (patch) | |
| tree | 2967ede491777bdfc63e7e8e903799517e49e1a4 | |
| parent | [prefix] Add .hrom prefix for a ROM that loads high under PCI3 without PMM (diff) | |
| download | ipxe-9de525c34cad0252fe6ff823ee7e18240e472298.tar.gz ipxe-9de525c34cad0252fe6ff823ee7e18240e472298.tar.xz ipxe-9de525c34cad0252fe6ff823ee7e18240e472298.zip | |
[dhcp] Ensure message type is first DHCP option
Apparently, the DHCP relay logic on a Nortel 470-48T layer 2 switch
cares about the order of DHCP options. Specifically, it requires
that the DHCP message type option be the first option present in the
DHCP packet. We achieve this by having this option appear first in
our dhcp_request_options_data array, which pre-populates DHCP
requests.
Signed-off-by: Marty Connor <mdc@etherboot.org>
| -rw-r--r-- | src/net/udp/dhcp.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/net/udp/dhcp.c b/src/net/udp/dhcp.c index 17e543ac..b0dd9529 100644 --- a/src/net/udp/dhcp.c +++ b/src/net/udp/dhcp.c @@ -71,6 +71,7 @@ static const uint8_t dhcp_op[] = { /** Raw option data for options common to all DHCP requests */ static uint8_t dhcp_request_options_data[] = { + DHCP_MESSAGE_TYPE, DHCP_BYTE ( 0 ), DHCP_MAX_MESSAGE_SIZE, DHCP_WORD ( ETH_MAX_MTU - 20 /* IP header */ - 8 /* UDP header */ ), DHCP_CLIENT_ARCHITECTURE, DHCP_WORD ( 0 ), |