david/ipxe
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109 Commits

Author SHA1 Message Date
Michael Brown
3a2c8a2690 [dhcp] Do not transition to DHCPREQUEST without a valid DHCPOFFER 
A missing test for dhcp->dhcpoffer in dhcp_timer_expired() was causing
the client to transition to DHCPREQUEST after timing out on waiting
for ProxyDHCP even if no DHCPOFFERs had been received.
 2008-06-11 06:20:49 +01:00
Michael Brown
2456b9b4ba [slam] Request all remaining blocks if we run out of space for the blocklist 
In a SLAM NACK packet, if we run out of space to represent the
missing-block list, then indicate all remaining blocks as missing.
This avoids the need to wait for the one-second timeout before
receiving the blocks that otherwise wouldn't have been requested due
to running out of space.
 2008-06-10 12:36:39 +01:00
Michael Brown
1e5c2d48cb [slam] Speed up NACK transmission by restricting the block-list length 
Shorter NACK packets take less time to construct and spew out less
debug output, and there's a limit to how useful it is to send a
complete missing-block list anyway; if the loss rate is high then
we're going to have to retransmit an updated missing-block list
anyway.

Also add pretty debugging output to show the list of requested blocks.
 2008-06-10 11:23:34 +01:00
Michael Brown
81d92d5181 [slam] Fix multicast address parsing 
slam_parse_multicast_address() was failing to strip the initial "/"
from the URI path.
 2008-06-10 10:04:02 +01:00
Michael Brown
72c1bb8224 [slam] Add Scalable Local Area Multicast (SLAM) protocol support 
Tested against the mini-slamd server located in contrib/mini-slamd
with a single client, on a lossy network.
 2008-06-10 00:04:19 +01:00
Michael Brown
5102033215 [DHCP] Add "dhcp-server" setting to help end-user diagnostics 2008-06-05 15:43:34 +01:00
Michael Brown
feade5da6e [Settings] Expose SMBIOS via settings API 
In particular, expose the system UUID as a setting ("smbios/uuid").
 2008-03-28 15:35:06 +00:00
Michael Brown
aa74a7d53c [DHCP] Add support for ProxyDHCP requests 
The PXE spec is (as usual) unclear on precisely when ProxyDHCPREQUESTs
should be issued.  We adapt the following, slightly paranoid approach:

  If an offer contains an IP address, then it is a normal DHCPOFFER.

  If an offer contains an option #60 "PXEClient", then it is a
  ProxyDHCPOFFER.  Note that the same packet can be both a normal
  DHCPOFFER and a ProxyDHCPOFFER.

  After receiving the normal DHCPACK, if we have received a
  ProxyDHCPOFFER, we unicast a ProxyDHCPREQUEST back to the ProxyDHCP
  server on port 4011.  If we time out waiting for a ProxyDHCPACK, we
  treat this as a non-fatal error.
 2008-03-27 16:45:15 +00:00
Michael Brown
83617e5b1c [DHCP] Save precious packet-aligned memory by copying DHCP responses 
Copy DHCP responses to a standard malloc()ed buffer, rather than
retaining the I/O buffer that they arrived in.
 2008-03-26 12:25:59 +00:00
Michael Brown
92d15eff30 [Settings] Remove assumption that all settings have DHCP tag values 
Allow for settings to be described by something other than a DHCP option
tag if desirable.  Currently used only for the MAC address setting.

Separate out fake DHCP packet creation code from dhcp.c to fakedhcp.c.

Remove notion of settings from dhcppkt.c.

Rationalise dhcp.c to use settings API only for final registration of the
DHCP options, rather than using {store,fetch}_setting throughout.
 2008-03-25 20:46:16 +00:00
Michael Brown
7234f91bf8 [DHCP] Fix DHCP state confusion. 
DHCP code was using an incorrect check for whether to construct a
DHCPDISCOVER or DHCPREQUEST packet.
 2008-03-25 16:38:01 +00:00
Michael Brown
23e077666b [Settings] copy_settings() should not fail if some settings are missing! 2008-03-23 23:28:21 +00:00
Michael Brown
ee4206a8a7 [DHCP] Fix up fake-packet creation as used by PXENV_GET_CACHED_INFO 
Add dedicated functions create_dhcpdiscover(), create_dhcpack() and
create_proxydhcpack() for use by external code such as the PXE preboot
code.

Register ProxyDHCP options under the global scope "proxydhcp".

Unregister previously-acquired DHCP and ProxyDHCP settings when DHCP
succeeds.
 2008-03-23 21:58:05 +00:00
Marty Connor
1741e3e761 [DHCP] FIXME: quick temporary settings fix, needs update for new API 2008-03-21 23:37:02 -04:00
Michael Brown
a462c96ffc [Settings] DHCP is now working using the new settings API. 2008-03-21 22:55:59 +00:00
Michael Brown
8afb36c3bc [Settings] Migrate DHCP and NVO code to the new settings API (untested) 2008-03-21 22:15:31 +00:00
Michael Brown
1edbcd4246 [Settings] Use a settings applicator to set the default TFTP URI. 2008-03-21 00:26:29 +00:00
Michael Brown
aec9b8a41b [Settings] Use a settings applicator to configure IPv4 routes. 2008-03-21 00:01:27 +00:00
Michael Brown
cf03304620 [Settings] Introduce settings applicators. 
Convert DHCP option applicators in dns.c and iscsi.c to settings
applicators.

Kill off DHCP option applicators.
 2008-03-20 23:15:48 +00:00
Alexey Zaytsev
a1572e0ab0 Modify gPXE core and drivers to work with the new timer subsystem 
Signed-off-by: Alexey Zaytsev <alexey.zaytsev@gmail.com>
 2008-03-02 03:41:10 +03:00
Michael Brown
844828cb15 [DHCP] Fix RFC4390 client identifier constructions. 
RFC 4390 provides for the DHCP client identifier to contain the link-layer
hardware type and MAC address when the MAC address exceeds 16 bytes.
However, the hardware type field is only 8 bits; we were assuming 16 bits.
 2008-02-27 16:55:46 +00:00
Michael Brown
122abb50af Merge branch 'master' of rom.etherboot.org:/pub/scm/gpxe 2008-01-22 18:53:01 +00:00
Michael Brown
f6a8158eed Make seek information part of the xfer metadata, rather than an entirely 
separate xfer method.

Add missing .alloc_iob entries to several xfer_interface_operations
structures.
 2008-01-08 16:46:55 +00:00
Michael Brown
3311169707 When the DHCP file/sname fields are empty, don't allow them to override 
their equivalent DHCP-option-specified values.
 2008-01-07 13:50:32 +00:00
Michael Brown
f3265b4bf8 Add preliminary support for MTFTP. 2007-12-26 18:51:20 +00:00
Michael Brown
1949641d10 Fix compiler warnings that appear only on OpenBSD. 2007-12-06 14:16:46 -06:00
Michael Brown
df868476e7 Various warnings fixups for OpenBSD with gcc-3.3.5. 2007-12-07 00:11:43 +00:00
Michael Brown
3b1efba864 Add RFC2090 TFTP multicast support. 2007-11-28 10:57:26 +00:00
Michael Brown
f770744ee0 Quick hack to be able to accept transfers from servers that don't 
supply options.
 2007-11-25 16:06:29 +00:00
Michael Brown
b3abf25e3c Allow DHCP server to instruct gPXE to ignore ProxyDHCP (which will 
also avoid waiting for ProxyDHCP offers).

Also reduce the ProxyDHCP timeout, because it's already irritating me.
 2007-11-21 22:10:04 +00:00
Michael Brown
0becbf5fba Add ProxyDHCP support. 2007-11-21 21:51:43 +00:00
Michael Brown
fb809da2df Remove some assumptions about DHCP obtaining only a single options block. 2007-11-21 04:48:18 +00:00
Michael Brown
8d18338ae7 Add PXE-required DHCP options to DHCPDISCOVER and DHCPREQUEST packets. 2007-11-21 03:57:30 +00:00
Michael Brown
26f3a09ccf Add UUID to DHCP request as option 97 (if available). 2007-11-21 03:29:53 +00:00
Michael Brown
af303db75d Use RFC4390 whenever hardware address exceeds 16 bytes; this allows us 
to construct DHCP packets suitable for Infiniband.
 2007-09-21 01:15:58 +01:00
Michael Brown
771455653b Bugfix: DHCP message type should be a one-byte option... (d'oh) 2007-09-13 01:16:23 +01:00
Michael Brown
972f293e46 Check for correct block number in tftp_rx_data(). 
(Problem observed by Clay McClure in VMware Fusion.)
 2007-09-08 19:30:25 +01:00
Michael Brown
00d93c6dd9 Minor style fix: structure fields are generally initialised in the 
order in which they occur.
 2007-09-06 13:37:47 +01:00
Marty Connor
14e1d3cc4d TFTP default blocksize fix from Vampyre 2007-08-30 13:51:38 -04:00
Michael Brown
2ff1b1245b Use start_timer_nodelay() in protocols which rely on the retry timer 
to generate the initial transmission; this cuts off around 0.3s per
instantiated connection.
 2007-08-13 11:03:33 -07:00
Michael Brown
9fd6a0418f Allowed zero-cost enforced ordering of features in startup banner 
list.

Added FEATURE() macros to most relevant (non-driver) files.
 2007-08-02 14:51:03 +01:00
Michael Brown
0acb016840 Add FEATURE() macro, plus code to display features at startup time, 
and generate DHCP options to indicate features to DHCP server (and to
PXE NBPs).
 2007-08-02 04:24:39 +01:00
Michael Brown
79691961ba Add identifier for the network device into the DHCP request. 2007-07-31 03:32:22 +01:00
Michael Brown
5e26df0325 Centralise construction of the DHCP request and response packets. 2007-07-31 03:02:21 +01:00
Michael Brown
f44969f7df nameserver should be static 2007-07-17 01:21:20 +01:00
Michael Brown
237e23c1c9 Add debug message when nameserver setting is applied/changed via DHCP. 2007-07-08 14:31:51 +01:00
Michael Brown
b34d4d0449 Separate the "is data ready" function of xfer_seek() into an 
xfer_window() function, which can return a scalar rather than a
boolean.
 2007-07-08 14:11:07 +01:00
Michael Brown
ca4c6f9eee Kill off unused request() method in data-xfer interface. 2007-07-08 02:10:54 +01:00
Holger Lubitz
a4d3476e0e convert to zalloc 2007-07-06 21:08:54 +02:00
Holger Lubitz
da3c785816 convert to zalloc 2007-07-06 20:52:58 +02:00