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664 Commits (8638a5e4719cbea018ebe24340f2cdcb3bc70582)

Author SHA1 Message Date
Michael Brown 95f8a42930 Removed incorrect comment; malloc() is inefficient only when the 
alignment and size are both powers of two, and there's no way to
specify an alignment through the malloc() interface anyway.
 2006-04-25 10:41:49 +00:00
Michael Brown 4e92f29c9e Now passes trivial tests. free_memblock() needs neatening up. 2006-04-25 04:01:58 +00:00
Michael Brown b601a7d355 Updated memory allocator to improve support for unaligned or partially 
aligned blocks.

Moved header to include/malloc.h, since we now also provide the
POSIX-like malloc()/free() pair.

Not yet tested.
 2006-04-25 03:30:46 +00:00
Michael Brown 2f0d412210 Add __constant_flsl(), because it's useful for finding out the next 
power-of-two up from a given constant via
  ( 1 << fls ( constant - 1 ) )

fls(), flsl(), ffs() and ffsl() appear in strings.h according to
POSIX.
 2006-04-24 23:00:32 +00:00
Michael Brown a81f96998b Added missing headers required for compilation in Etherboot. 2006-04-24 19:35:10 +00:00
Michael Brown 455b76980f Added pkb_reserve(). 2006-04-24 19:34:51 +00:00
Michael Brown 26749951dc We have our own ARP layer now. 2006-04-24 19:19:13 +00:00
Michael Brown fcf765e42d Add missing {register,free}_netdev(). 
Tie into existing driver API; we'll fix that up soon.
 2006-04-24 18:44:50 +00:00
Michael Brown 832e86246b gcc is rather over-aggressive about optimising out static data structures 
even when __atribute__ (( unused )) is correctly set...
 2006-04-24 18:31:37 +00:00
Michael Brown 4c4e4de18f (librm_base-1b) is already an offset; no need to apply OFFSET(). 
Doing so, in fact, seems to expose an assembler bug; (a-b-0) is
apparently not the same as (a-b).  Go figure.
 2006-04-24 18:29:47 +00:00
Michael Brown 824d6ffa7f Header rearrangement. 
I want to get to the point where any header in include/ reflects a
standard user-level header (e.g. a POSIX header), while everything that's
specific to gPXE lives in include/gpxe/.  Headers that reflect a Linux
header (e.g. if_ether.h) should also be in include/gpxe/, with the same
name as the Linux header and, preferably, the same names used for the
definitions.
 2006-04-24 15:42:49 +00:00
Michael Brown 53f78346bf Network API now allows for multiple network devices (although the 
implementation allows for only one, and does so without compromising on
the efficiency of static allocation).

Link-layer protocols are cleanly separated from the device drivers.

Network-layer protocols are cleanly separated from individual network
devices.

Link-layer and network-layer protocols are cleanly separated from each
other.
 2006-04-24 15:38:53 +00:00
Michael Brown fdc2ee79db Network API now allows for multiple network devices (although the 
implementation allows for only one, and does so without compromising on
the efficiency of static allocation).

Link-layer protocols are cleanly separated from the device drivers.

Network-layer protocols are cleanly separated from individual network
devices.

Link-layer and network-layer protocols are cleanly separated from each
other.
 2006-04-24 15:33:06 +00:00
Michael Brown 0d97f0d482 Obviate uip_init(); our bss is zeroed at startup already. 2006-04-24 15:31:02 +00:00
Michael Brown 5423f876fb Don't bother poisoning lists; it costs code size. 2006-04-24 15:28:56 +00:00
Michael Brown 1d7cfd5acf Prototype now clashes with the macro in arch/i386. 2006-04-24 15:27:58 +00:00
Michael Brown 510ccb2900 Added __constant_memcpy() based on version in Linux's string.h. 
Added memswap().
 2006-04-24 15:25:25 +00:00
Michael Brown b6b6a0b5fe First draft of a dynamic memory allocator 2006-04-24 15:21:18 +00:00
Michael Brown e323d1a29b Add "net" directory. 
Avoid including debug information in bin/%.s output, since the whole
point is to have easy-to-read assembler.
 2006-04-24 15:20:01 +00:00
Michael Brown 6209bd873a First sketch of a new net device API. 2006-04-19 12:07:46 +00:00
Michael Brown bdc8190c8d Remove the concept of the media-independent link-layer header and replace 
it with metadata in the pkb structure.  This is required since UNDI will
want to be able to parse the link-layer header without destroying it.
 2006-04-19 11:32:24 +00:00
Michael Brown b89ccac02d Updated to remove obsolete constants 2006-04-19 02:11:56 +00:00
Michael Brown 3ca7dbe7ca Added the concept of a network interface (a network-layer concept) as 
separate from a network device (a link-layer concept).
 2006-04-19 02:09:08 +00:00
Michael Brown d65a66606b Typo 2006-04-19 02:08:27 +00:00
Michael Brown 2558439ce4 First version, based on include/linux/list.h, stripped down to just 
those functions we are likely to need.

Still need to come up with a way of getting the linker to create
static lists using this linking mechanism.
 2006-04-19 02:05:50 +00:00
Michael Brown d24042f0bb Update now that if_ether.h has moved. 2006-04-19 01:56:10 +00:00
Michael Brown 4f3581e99c Added ENOENT and EAFNOSUPPORT 2006-04-19 01:54:53 +00:00
Michael Brown ab139ceda9 Added pkb_unput() and pkb_len(). 2006-04-19 01:54:24 +00:00
Michael Brown 744b895077 Make flags more efficient. 
Add 'raw' net_addr facility (needed for ARP).
 2006-04-19 01:53:49 +00:00
Michael Brown 49f933fbc3 Moved if_ether.h and if_arp.h to include/gpxe, for consistency with Linux 
kernel.

Removed obsolete struct arprequest from if_arp.h and put it in nic.c so
that nic.c will still compile.  ARP will very shortly be handled by
net/arp.c instead.
 2006-04-19 01:52:41 +00:00
Michael Brown 9f67ad9db0 First version. ARP protocol independence in less than the size of uIP's 
Ethernet-and-IPv4-only ARP module.  :)
 2006-04-19 01:43:56 +00:00
Michael Brown 363905e1b6 Add missing prototype 2006-04-19 01:42:33 +00:00
Michael Brown 02d342f38f First version 2006-04-19 01:42:03 +00:00
Michael Brown 0b561ce972 First sketch 2006-04-18 17:52:51 +00:00
Michael Brown 42b659f926 First version 2006-04-18 17:49:51 +00:00
Michael Brown 0864a73347 First version, based on the concepts in linux/skbuff.h 2006-04-18 17:47:01 +00:00
Michael Brown 1a60444fe4 Added netmask and gateway global options. 
Added iSCSI testing.
 2006-04-05 11:46:18 +00:00
Michael Brown 6446767258 First draft of iSCSI protocol support. Is capable of retrieving disk 
blocks.
 2006-04-05 11:44:56 +00:00
Michael Brown 9ea782d339 Make pcap_inject non-static, so that its prototype doesn't conflict with 
the real pcap_inject in the case where we do have it.
 2006-04-05 11:44:05 +00:00
Michael Brown c8a7133e9f Added tcp_buffer, to give applications a zero-cost place to build data to 
be transmitted.
 2006-04-05 11:43:01 +00:00
Michael Brown 988bb50979 Added set_netmask() and set_gateway() 2006-04-05 11:41:15 +00:00
Michael Brown ee058362fa We don't need to know anything about ARP 2006-03-24 17:39:05 +00:00
Michael Brown 90892d5ec7 Allow specifying the local IP address via --from. 2006-03-24 17:28:40 +00:00
Michael Brown b44332eb7d Split non-TCP portions of the stack out into ip.[ch]. 
Added set_ipaddr().
 2006-03-24 17:22:09 +00:00
Michael Brown 1c607470e3 Put in a substitute pcap_inject() function, since earlier versions of 
libpcap are lacking the function.  For now, we always use the
substitute version, since there's no easy way to determine whether or
not we need it.
 2006-03-24 16:43:12 +00:00
Michael Brown 7e61f38799 Moved "hello world" protocol implementation out of prototester.c and into 
the first standalong uIP-based protocol module.
 2006-03-23 22:37:05 +00:00
Michael Brown 508dcdb303 Added container_of(). This seems about the best place to put it, since 
the definition of it uses offsetof(), and the two concepts are related.
 2006-03-23 22:07:21 +00:00
Michael Brown 99032becce Pick up the gPXE include files when building prototester. 2006-03-23 21:35:20 +00:00
Michael Brown 2299435f1c Added prototype for inet_ntoa, even though we don't have the function 
yet, in order to allow prototester.c to compile.  It might be worth
changing all the uses of "%@" in printf to use "%s" and inet_ntoa
instead, in order to improve the portability of our code.
 2006-03-23 21:34:25 +00:00
Michael Brown a4a0244aa3 Moved uIP wrapper out of prototester.c and into proto/tcp.c. 2006-03-23 21:32:03 +00:00
Michael Brown 17c0253ca0 Add include/gpxe as a directory to scan. 
Exclude proto/uip, since uip.c and uip_arp.c both have global variables
called "c", which screws up doxygen's auto-generation of links to file
documentation when it encounters a file name such as "hello.c".
 2006-03-23 21:06:36 +00:00
Michael Brown 2bc7c746a6 Updated with "doxygen -u" from doxygen 1.4.4 2006-03-23 20:39:26 +00:00
Michael Brown 05b284399e Moved old tcp.h to old_tcp.h, to avoid name clash with new (uIP-based) 
tcp.h.
 2006-03-23 20:34:08 +00:00
Michael Brown af23ff8a24 Assertions are now handled via the POSIX-like <assert.h>. 2006-03-23 19:33:57 +00:00
Michael Brown 55497b3402 Added missing #endif 2006-03-23 19:23:25 +00:00
Michael Brown cb8e89de15 Added assert.h, with assert() defined (almost) as per POSIX, and 
linker_assert() defined as gPXE-specific.
 2006-03-23 17:28:51 +00:00
Michael Brown 531371efa2 Removed to make way for the uIP-based tcp.c. 2006-03-23 16:59:25 +00:00
Michael Brown dde1c5ad18 Moved include/in.h to include/gpxe/in.h, so that it can be included by 
prototester.
 2006-03-23 16:45:01 +00:00
Michael Brown eaf40883ff Add Makefile for hijack and prototester utilities. 2006-03-23 13:11:41 +00:00
Michael Brown 21c58729ae Add debug symbols to objects. (They will be stripped out of the final 
-Obinary build anyway, so it doesn't waste any space).
 2006-03-23 13:09:29 +00:00
Michael Brown b2c94b32fc Make the application state a void *. 2006-03-23 13:08:06 +00:00
Michael Brown 218c26ff2b Can now also print data sent by the remote side. 2006-03-23 13:06:08 +00:00
Michael Brown 0d506a5c6a Now capable of sending "Hello world!" via TCP. 2006-03-23 12:25:28 +00:00
Michael Brown 911486fe41 Added basic http-specific option parsing 2006-03-22 22:35:32 +00:00
Michael Brown 5263a5abf4 Started adding structure to allow for separate protocol tests, with 
individual options.

Created the embryonic beginnings of a cleanly separated driver and
protocol stack API.
 2006-03-22 21:25:35 +00:00
Michael Brown c32e83ad8d Skeleton version: contains device driver (connecting to network via 
hijack daemon) and a functional but very ugly and very primitive
wrapper around uIP.

This passes proof-of-concept testing; it successfully initiates a TCP
connection and responds to pings.
 2006-03-22 02:23:20 +00:00
Michael Brown bb37bd47f8 Added from uip-0.9/uip/uip_arp.[ch] 2006-03-22 02:14:55 +00:00
Michael Brown 417e896f0a Remove htons(); it is provided elsewhere in Etherboot 2006-03-22 01:25:43 +00:00
Michael Brown 1c7c24f21f Basic, functional-but-extremely-pessimal versions (taken from 
uip-0.9/unix/uip_arch.c).
 2006-03-22 01:24:13 +00:00
Michael Brown c5a9c38606 Terminate cleanly on SIGINT or SIGHUP 2006-03-21 17:48:33 +00:00
Michael Brown e072baeb8c Use libpcap API to send/receive packets. 
Include automatic filtering (based on source MAC address of first
transmitted packet).

Proven to successfully elicit a ping response from a remote host.
 2006-03-21 16:50:25 +00:00
Michael Brown 4485df516c Basic structure in place: can daemonise, listen on a Unix domain 
socket, accept new connections, open a network interface using libpcap
and forward (all) traffic.
 2006-03-21 02:25:30 +00:00
Michael Brown 013ee958a1 These can come back when someone wants to support them 2006-03-17 14:16:05 +00:00
Michael Brown 7be870acd3 More purging 2006-03-17 14:14:36 +00:00
Michael Brown b2909e547d They can come back when they have someone to support them. 2006-03-17 14:13:09 +00:00
Michael Brown a2b15fd1fe GPXE code cleanup and purge. 2006-03-17 14:09:45 +00:00
Michael Brown cdf1511d3e Prefix semantics have changed 2006-03-16 19:28:38 +00:00
Michael Brown 0e611719d2 Add uip on HEAD; it's safe to build, since nothing links against it at the 
moment.
 2006-03-16 19:18:12 +00:00
Michael Brown d08ce741a4 Build in gpxe 2006-03-16 19:09:31 +00:00
Michael Brown 0806436d99 Remove accidental duplicate arising from merge 2006-03-16 19:04:19 +00:00
Michael Brown 239579efcf Build under gpxe 2006-03-16 19:02:18 +00:00
Michael Brown d0777627c6 Back out duplication arising from the merge 2006-03-16 18:56:16 +00:00
Michael Brown c4f25b637c Fix to compile under gpxe 2006-03-16 18:54:57 +00:00
Michael Brown 4ee0e0f85e Merge from Etherboot 5.4 2006-03-16 18:51:23 +00:00
Michael Brown 46e7bd5b52 Merge from Etherboot 5.4 2006-03-16 18:44:31 +00:00
Michael Brown 7e0a7a2e08 Merge from Etherboot 5.4 2006-03-16 18:30:54 +00:00
Michael Brown 28cefdccc4 Merge from Etherboot 5.4 2006-03-16 18:30:46 +00:00
Michael Brown 9b18017296 Merge from Etherboot 5.4 2006-03-16 18:15:48 +00:00
Michael Brown bb7394b041 Merge from Etherboot 5.4 2006-03-16 17:59:51 +00:00
Michael Brown 708bbc43bc Merge from Etherboot 5.4 2006-03-16 17:40:55 +00:00
Michael Brown 9c8a69b673 Merge from Etherboot 5.4 2006-03-16 17:31:29 +00:00
Michael Brown 9b320c1ca4 Merge from Etherboot 5.4 2006-03-16 17:11:36 +00:00
Michael Brown c3d5d01832 Merge from Etherboot 5.4 2006-03-16 17:05:38 +00:00
Michael Brown 5d28bae0f1 Fix up building with gcc 4.0.1 / gas 2.16.91 2006-01-17 01:47:41 +00:00
George Baum bd9d4e0bd7 Reorder functions to match the linux driver. 
No code changes apart from commenting one unused function out.
 2005-07-11 19:26:12 +00:00
Timothy Legge 4184dc5c6a Fix COMET TxUnderrun issue 2005-06-17 20:11:10 +00:00
Geert Stappers 9dc2515d7e no need for depending on build library ("blib") 
when make is invoked without arguments
 2005-06-14 20:16:03 +00:00
Michael Brown df9cbc23cc Added documentation and ASSERT() statements. 2005-06-06 12:01:19 +00:00
Michael Brown 33dbdda28e Allow data blocks to be less than sizeof ( struct buffer_free_block ) in 
size.  (The restriction on the size of free blocks remains.)
 2005-06-06 11:42:14 +00:00
Michael Brown 65a731bed5 Reduce BACKOFF_LIMIT to a hopefully more reasonable value. 2005-06-02 10:16:05 +00:00