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1048 Commits (c4964c3e3a9fd887be7cce8597d4ceb290179f03)

Author SHA1 Message Date
Michael Brown 97439cb6eb Kill off poll_interruptions(); it is lethal when we're acting as a PXE 
stack or INT 13 emulator etc.
 2006-08-14 22:29:51 +00:00
Derek Pryor 562ab6d65c Bug fixes to the HTTP protocol code 2006-08-12 19:05:08 +00:00
Derek Pryor 0f88703019 Bug fixes to the HTTP protocol code 2006-08-12 18:54:59 +00:00
Michael Brown c48170ffaf Print net device name when making request. 2006-08-11 18:49:58 +00:00
Michael Brown 3c35a0b16d Added cmdl_show proof-of-concept 2006-08-11 18:40:27 +00:00
Michael Brown dd9399f527 Added "hostname" and "ip" as sample settings 2006-08-11 18:29:20 +00:00
Michael Brown fe774fe356 Added ipv4 configuration type 2006-08-11 18:22:41 +00:00
Michael Brown 7029fb8eff Add string configuration type 2006-08-11 18:16:57 +00:00
Michael Brown db0ff1731f Fail gracefully when set_dhcp_option() is called with options==NULL. 2006-08-11 18:16:34 +00:00
Michael Brown db46972349 Added basic infrastructure for manipulating settings. 2006-08-11 18:00:22 +00:00
Derek Pryor 3b45f05be4 Removing because of conflict with new HTTP protocol 2006-08-11 14:13:58 +00:00
Derek Pryor 25ea34a8d7 New HTTP protocol and test code 2006-08-11 14:13:02 +00:00
Michael Brown 2497270c14 command->data_{in,out} are now userptr_t, so it is invalid to compare 
against NULL.
 2006-08-10 17:35:14 +00:00
Michael Brown ea5fa82b91 Fixed variable name in assertion 2006-08-10 17:09:48 +00:00
Michael Brown bc1a37eacb Added missing packed attribute 2006-08-10 00:10:09 +00:00
Michael Brown 35559ad87c Added description for a basic ACPI table, taken from 
include/linux/acpi.h.
 2006-08-10 00:09:31 +00:00
Michael Brown 4afc494b83 Both the !PXE and PXENV+ structures must be paragraph-aligned 2006-08-09 18:22:25 +00:00
Michael Brown c3a4f3c5da Towards an RFC2988-compliant timer. 2006-08-09 15:54:17 +00:00
Michael Brown f0718d562f Don't call stop_timer() from within the timer expiry callback; it's 
already stopped.

Don't call start_timer() when sending a dataless ACK.  This may or may
not be the right thing to do; I can't tell.

Back out broken "send ACK only if required to" logic temporarily.
 2006-08-09 15:50:20 +00:00
Nikhil Chandru Rao 3aff701001 Changed the TCP state machines behaviour in the ESTABLISHED state 2006-08-09 15:04:26 +00:00
Michael Brown dc8b96b446 Temporarily work around the bug when port numbers are reused between 
subsequent runs.
 2006-08-09 14:44:58 +00:00
Michael Brown 09688cb3b5 Correct some packet ownership and freeing bugs. 2006-08-09 14:27:07 +00:00
Michael Brown 43d601b678 out_flags was being set but never used. 
Use just random() to allocate initial sequence numbers; the previous
algorithm ended up with a high probability of zeroing the high word.
 2006-08-09 13:35:03 +00:00
Michael Brown 065a2a486d Port the UDP port allocation code to TCP 2006-08-09 12:08:20 +00:00
Michael Brown de0c36a98a Remove some of the confusion surrounding the amount to strip off from 
a TCP packet before passing to newdata().
 2006-08-09 12:01:09 +00:00
Michael Brown 867c7aef59 iphdr->hlen includes the IP header, so truncate packet *before* 
stripping the header.  Also fix an htons/ntohs confusion.
 2006-08-09 11:52:53 +00:00
Marty Connor ee9ae8130a Remove _PROTOCOL macros for gcc 3.2 compatibility 2006-08-09 04:42:14 +00:00
Marty Connor dd7e103d58 Make VERSION_MAJOR for gPXE be 0 2006-08-09 03:43:41 +00:00
Michael Brown 0dd0a8366e Removed obsolete line merged in with the cmdline stuff 2006-08-09 03:22:29 +00:00
Michael Brown 504a705d9e Do no evil. :) 2006-08-09 03:21:02 +00:00
Michael Brown c9e6c33bba Attempt a PXE NBP boot as the TFTP test. 2006-08-09 03:00:11 +00:00
Michael Brown f018da8215 Implement enough of PXENV_GET_CACHED_INFO to support pxelinux. 2006-08-09 02:59:19 +00:00
Michael Brown 75d26d884a Added pxe_netdev; a slight hack for now, but will need to be done 
properly for the PXE UNDI API anyway.
 2006-08-09 02:58:27 +00:00
Michael Brown e9561aafc0 Derive xid dynamically from the netdev, so that we can call 
create_dhcp_packet() from pxe_preboot.c, after the dhcp_session is long
gone.

Expose the functions required by pxe_preboot.c
 2006-08-09 02:56:40 +00:00
Michael Brown 56c995ff60 Aborted 2006-08-09 02:37:05 +00:00
Marty Connor 41af7457a8 Merge of Fredrik Hultin command_line 2006-08-09 02:30:35 +00:00
Michael Brown 691557281f Add a couple of small but vital parts to PXENV_UDP_WRITE. 2006-08-09 01:57:02 +00:00
Michael Brown a3d508b648 Clarified packet ownership transfer between a few functions. 
Added a large number of missing calls to free_pkb().  In the case of UDP,
no received packets were ever freed, which lead to memory exhaustion
remarkably quickly once pxelinux started up.

In general, any function with _rx() in its name which accepts a pk_buff
*must* either call free_pkb() or pass the pkb to another _rx() function
(e.g. the next layer up the stack).  Since the UDP (and TCP) layers don't
pass packet buffers up to the higher-layer protocols (the
"applications"), they must free the packet buffer after calling the
application's newdata() method.
 2006-08-09 01:24:32 +00:00
Michael Brown fd07f56f0d Note to self: learn to count. 2006-08-09 00:56:07 +00:00
Michael Brown 843bcc291d Added missing __from_text16()s when passing pointers to PXE NBP. 2006-08-09 00:39:21 +00:00
Michael Brown 71754ada2a Allow linking by converting functions to stubs 2006-08-09 00:25:29 +00:00
Michael Brown 17ecfd1d67 Allow linking by converting all functions to stubs 2006-08-09 00:22:28 +00:00
Michael Brown 751ae718bd pxe_int_1a is needed by pxe_call.c 2006-08-09 00:16:57 +00:00
Michael Brown d1a123b1f4 Added TFTP test code (currently just dumps file to console). 2006-08-09 00:09:29 +00:00
Michael Brown 3611cb17b7 Initial (untested) implementation of TFTP over the new UDP API. 2006-08-08 23:45:52 +00:00
Michael Brown eda79ec32b The prototype for strcasecmp() is apparently in strings.h. 2006-08-08 22:52:16 +00:00
Nikhil Chandru Rao 409f69a08a Changed ipv4_dump() to consume only one line. 2006-08-08 22:26:35 +00:00
Nikhil Chandru Rao 8bf38fb400 Corrected bugs in the TCP logic. There might be a few more which need to be taken care of. 2006-08-08 22:25:20 +00:00
Michael Brown 72cd29f13c Added some TFTP definitions for use with the new UDP API. 2006-08-08 22:01:16 +00:00
Michael Brown 18c112d205 Added (not yet tested) PXE API entry point and support functions. 2006-08-08 20:43:33 +00:00
Michael Brown d12383f1d3 Update to match the daft capitalisation in the actual PXE spec 2006-08-08 20:43:05 +00:00
Michael Brown 68e33224ef gcc3 compatibility: removed ARP_NET_PROTOCOL(). 2006-08-08 17:44:25 +00:00
Nikhil Chandru Rao d2bdf81505 Removed some bugs in TCP 2006-08-08 03:42:30 +00:00
Nikhil Chandru Rao cb42e573a0 Added retransmissions to TCP 2006-08-07 18:52:26 +00:00
Michael Brown 010288577f Add very, very quick and dirty hello world test 2006-08-07 18:49:10 +00:00
Michael Brown 885a630ddf Fix routing when a gateway exists. This should probably be split into 
a separate function.
 2006-08-07 17:51:19 +00:00
Michael Brown 8a3f4b7de6 Set a NUL terminator before calling inet_aton. 2006-08-07 17:50:41 +00:00
Michael Brown ecdcdea1af Remove unused attribute from __table macros; the tables are no longer 
static since otherwise gcc4 optimises them away completely.  Also, it
really *is* an error if the table start and end are unused, so they
certainly shouldn't be marked with attribute unused.
 2006-08-07 17:06:31 +00:00
Michael Brown d0e4f198d6 Add iSCSI to the DHCP tests. 
Start updating iscsi.c to use Nikhil's TCP API.
 2006-08-07 16:48:24 +00:00
Nikhil Chandru Rao 6714ec745a Minor corrections 2006-08-07 07:37:23 +00:00
Michael Brown eb24eece0e Convert some trivial functions to static inlines. 2006-08-03 23:42:03 +00:00
Michael Brown ffe0e24249 Make the UDP senddata() methods return a status code. 
udp_connect() now follows the standard BSD sockets semantics and simply
sets the default address for outgoing packets; it doesn't filter incoming
packets.
 2006-08-03 23:10:14 +00:00
Michael Brown a0a872f7f1 Updated PXE UDP implementation to use the new Etherboot UDP API. 
Updated PXE API dispatcher to use copy_{to,from}_user, and moved to
arch/i386 since the implementation is quite architecture-dependent.
(The individual PXE API calls can be largely
architecture-independent.)
 2006-08-02 23:08:10 +00:00
Michael Brown e24a6cb525 Moved the basic struct sockaddr out of in.h. 2006-08-02 00:06:30 +00:00
Michael Brown 467e9627cc Added features that will be required for PXE UDP support. 
Introduced struct sockaddr_tcpip, to simplify code that deals with
both IPv4 and IPv6 addresses.

Reorganised parts of tcpip.c and udp.c.
 2006-08-02 00:02:21 +00:00
Nikhil Chandru Rao 9225f4edac TCP support 2006-08-01 20:46:50 +00:00
Nikhil Chandru Rao c24546c70b Minor changes to the network layer rx() functions 2006-08-01 20:27:26 +00:00
Michael Brown beadd82208 Remove unused functions. 2006-08-01 14:26:02 +00:00
Michael Brown 1ebb68e49a Renamed trans_{rx,tx}() to tcpip_{rx,tx}(), since they are specific to 
the TCP/IP protocol suite (rather than being general transport-layer
functions).
 2006-08-01 14:22:04 +00:00
Michael Brown 3a0e293123 Renamed tcpip_if.[ch] to tcpip.[ch] 2006-08-01 14:18:09 +00:00
Michael Brown 21c3d63c2e We shouldn't need to allocate a TX packet buffer when calling newdata(); 
if the application wants to send data then it will have to use the normal
senddata() mechanism.
 2006-08-01 14:13:58 +00:00
Michael Brown ae277992c2 Request bootfile name; it doesn't seem to be automatically supplied by 
all servers.
 2006-08-01 14:12:27 +00:00
Michael Brown 6e3e5efaed Accept '%i' as a synonym for '%d'. 2006-07-25 14:33:20 +00:00
Michael Brown 9e761f5f28 Print out "DHCP..." message just in case people think the demo is sitting 
there doing nothing when it's actually waiting for a DHCP reply.
 2006-07-20 14:20:11 +00:00
Michael Brown a92d242008 Allow an AoE boot to be directed via DHCP, so that we have a proof of 
concept demo that actually does something useful.
 2006-07-20 14:15:23 +00:00
Michael Brown 3085f03ad4 Request Etherboot encapsulated options. 
Parameter request list is yet another option that ISC dhcpd ignores
unless it's in the main options block.

Fix logic error in parsing file and sname fields.
 2006-07-20 14:14:41 +00:00
Michael Brown b26806cf18 Add dhcp_snprintf() for extracting DHCP string options. 2006-07-20 14:13:11 +00:00
Michael Brown 7ca8bcd98c Print out the lease time, just to show how easy it is. 2006-07-20 03:02:34 +00:00
Michael Brown 16d04386b6 Switch default stack to Nikhil's TCP/IP stack 2006-07-20 02:53:15 +00:00
Michael Brown e74e20cb55 Remove the static IP address hack from netdevice.c, and change the 
default test to the DHCP test.
 2006-07-20 02:51:52 +00:00
Michael Brown 00a1f000b1 Added dhcp_ipv4_option() and friends. 
Added test code to configure the interface for IPv4 after DHCP.
 2006-07-20 02:49:59 +00:00
Michael Brown 6a0b4c9772 Free up any allocated options if we fail 2006-07-20 02:25:39 +00:00
Michael Brown 764cb41456 Document memory ownership. 2006-07-20 02:23:42 +00:00
Michael Brown 7ca1bb0fbe Now successfully negotiates the whole DHCPDISCOVER/OFFER/REQUEST/ACK 
cycle.  :)
 2006-07-20 02:19:06 +00:00
Michael Brown 30d9bcdc6e Rename unwieldy function 2006-07-20 00:24:25 +00:00
Michael Brown 9ad5cede96 Set DHCP_MESSAGE_TYPE option within the main options block. This 
doesn't seem to be required by the RFCs, but at least ISC dhcpd and
ethereal refuse to recognise it otherwise.
 2006-07-20 00:18:50 +00:00
Michael Brown 881b90e82c Packets without a DHCP_MESSAGE_TYPE option are probably just BOOTP 
packets.
 2006-07-20 00:03:25 +00:00
Michael Brown 29b358dd39 conn->local_port is now network-endian; do not swap when comparing 
against value in header.

Temporarily disable RX checksumming; it's broken and is holding up
work on higher-layer protocols
.
 2006-07-20 00:03:01 +00:00
Michael Brown 36c94eae78 Clarify hexiness of header length 2006-07-20 00:01:50 +00:00
Michael Brown 2c0eb6eb1d Correct TCP/IP checksum generation. 2006-07-19 23:38:05 +00:00
Michael Brown 0768670fd8 udp_open() takes ports in network-endian order. 2006-07-19 21:56:27 +00:00
Nikhil Chandru Rao 13dbf5494d Minor edits 2006-07-19 21:05:58 +00:00
Michael Brown 224529d8dd Now capable of sending what, to me, looks like a valid DHCPDISCOVER 
(apart from the bad UDP checksum).
 2006-07-19 20:50:50 +00:00
Michael Brown a38010fb0e Make udp_send() call udp_sendto(), rather than vice-versa. 2006-07-19 20:38:49 +00:00
Michael Brown 7c84b74185 A small but very critical bug. 2006-07-19 20:16:46 +00:00
Michael Brown 82f3295794 Use more standardised format specifiers in debug messages (e.g. %p for 
a pointer).
 2006-07-19 18:45:18 +00:00
Michael Brown ab633f6a73 Reserve space for lower-layer headers when allocating packet buffer. 
Use pkb_available() rather than pkb_len() (which will always return 0
on a freshly allocated buffer).

udp_send() should assume that the buffer has already been allocated.
 2006-07-19 18:21:30 +00:00
Michael Brown 6858b14a34 Add pkb_available() 2006-07-19 18:16:48 +00:00
Michael Brown e8daeb62b1 Eliminate confusion between functions that return pointers and 
functions that return status codes.

Zero the DHCP packet buffer *before* creating the options structures
inside it.
 2006-07-19 18:11:31 +00:00
Michael Brown 3369f93036 Add block identification to debug messages 2006-07-19 17:58:27 +00:00