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1ad72e0e79
Commit Graph

231 Commits

Author SHA1 Message Date
Michael Brown
1ad72e0e79 Add 64-bit byte-swapping operations. 2006-05-13 11:40:39 +00:00
Michael Brown
5009f8d6a2 Provide a SCSI device interface to the iSCSI protocol 2006-05-13 11:39:46 +00:00
Michael Brown
f33f01c126 Defined SCSI device interface, and added SCSI block device 
implementation.
 2006-05-13 11:37:50 +00:00
Michael Brown
8638a5e471 Defined a block device interface. 2006-05-13 11:36:30 +00:00
Michael Brown
568cad0ddc (Redoing check-in lost by SourceForge's failure.) 2006-05-13 11:30:03 +00:00
Michael Brown
9fcded3d23 Towards a(nother) new real-mode infrastructure, in which we take 
advantage of the fact that we have to have a permanently-resident block
in base memory.
 2006-05-02 15:41:21 +00:00
Michael Brown
9e1becaf8a Merge TCP aborted(), timedout() and closed() methods into a single 
closed() method with a reason code.
 2006-04-30 16:59:45 +00:00
Michael Brown
aec0e127d2 Proof-of-concept FTP implementation 2006-04-30 12:02:07 +00:00
Michael Brown
a42092d2a0 Add a temporary snprintf, so that safely-written code can at least 
compile, even if it won't yet be safe.
 2006-04-30 12:01:31 +00:00
Michael Brown
8df7e74990 Fix up prototype of strtoul() to match POSIX. 2006-04-30 11:45:38 +00:00
Michael Brown
7af478b30d Make tcp_connect() void; it will eventually have no failure case. 2006-04-30 02:13:52 +00:00
Michael Brown
9c9208a132 Put the TCP connection periodic processing in tcp.c, where it belongs. 2006-04-30 02:08:42 +00:00
Michael Brown
178b0a7e5e Consistency 2006-04-30 01:35:01 +00:00
Michael Brown
352bf1bda2 Move init.h to gpxe/init.h. 2006-04-30 01:08:52 +00:00
Michael Brown
bac97eb979 Change semantics of network API so that packet-absorbing calls *always* 
take ownership of the packet, rather than doing so only if they return
success.  This breaks semantic compatibility with Linux's
hard_start_xmit() method, but means that we don't have to worry so much
about error cases.

Split mechanism of processing received packets (net_rx_process()) out
from policy (net_step()), preparatory to putting net_step() in a separate
object.
 2006-04-29 17:17:43 +00:00
Michael Brown
23c494d14e Added basic code for implementing co-operative multitasking. 
Yes, you really can do it in 65 bytes.
 2006-04-29 16:42:09 +00:00
Michael Brown
129c6c3968 Network layer now works as a proof of concept 2006-04-28 14:13:50 +00:00
Michael Brown
1488cd3b73 Fix a couple of broken assertions, and align the buffer correctly. 2006-04-28 14:09:31 +00:00
Michael Brown
d8e99bf28f Gave up on adding POSIX errno's as required, and just added (almost) all 
of them in one go.

EBADIMG has been replaced by ENOEXEC, and EIMGRET by ECANCELED.
 2006-04-28 13:44:34 +00:00
Michael Brown
cf3783b4ca Actually, it's probably a good idea to have packet buffers avoid 4kB 
crossings.
 2006-04-25 12:11:36 +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
455b76980f Added pkb_reserve(). 2006-04-24 19:34:51 +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
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
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
b6b6a0b5fe First draft of a dynamic memory allocator 2006-04-24 15:21:18 +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
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
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
6446767258 First draft of iSCSI protocol support. Is capable of retrieving disk 
blocks.
 2006-04-05 11:44:56 +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
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
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