15 years agoGive UNDI device a more meaningful name.
Michael Brown [Wed, 10 Jan 2007 05:52:04 +0000 (05:52 +0000)]
Give UNDI device a more meaningful name.

15 years agoForce ordering of commands within help list.
Michael Brown [Wed, 10 Jan 2007 05:13:20 +0000 (05:13 +0000)]
Force ordering of commands within help list.

15 years agoForce ordering of commands in help list.
Michael Brown [Wed, 10 Jan 2007 05:10:30 +0000 (05:10 +0000)]
Force ordering of commands in help list.

15 years agoHaving forced __table() to natural structure alignment, it now seems
Michael Brown [Wed, 10 Jan 2007 05:08:05 +0000 (05:08 +0000)]
Having forced __table() to natural structure alignment, it now seems
that we *can* place arrays in tables, which means we can force the
order within a table without having to resort to explicitly numbered
sections on everything.

15 years agoAdd "name" field to struct device to allow human-readable hardware device
Michael Brown [Wed, 10 Jan 2007 04:22:09 +0000 (04:22 +0000)]
Add "name" field to struct device to allow human-readable hardware device

Add "dev" pointer in struct net_device to tie network interfaces back to a
hardware device.

Force natural alignment of data types in __table() macros.  This seems to
prevent gcc from taking the unilateral decision to occasionally increase
their alignment (which screws up the table packing).

15 years agoRemove uIP; we haven't used it for quite some time now.
Michael Brown [Wed, 10 Jan 2007 02:52:58 +0000 (02:52 +0000)]
Remove uIP; we haven't used it for quite some time now.

15 years agoAllow udp_{send,sendto,sendto_via} to be called outside of the
Michael Brown [Wed, 10 Jan 2007 02:46:39 +0000 (02:46 +0000)]
Allow udp_{send,sendto,sendto_via} to be called outside of the
udp_senddata() callback.  This will simplify any UDP protocols that don't
need the temporary buffer.

15 years agoDHCP transmits via specified net device, so no need to create a dummy
Michael Brown [Wed, 10 Jan 2007 02:37:23 +0000 (02:37 +0000)]
DHCP transmits via specified net device, so no need to create a dummy
routing table entry just to fool ipv4.c any more.

15 years agoAdd udp_sendto_via() to allow e.g. DHCP to transmit without first having
Michael Brown [Wed, 10 Jan 2007 02:31:38 +0000 (02:31 +0000)]
Add udp_sendto_via() to allow e.g. DHCP to transmit without first having
to set up dummy routing entries.

15 years agoAllow an explicit network device to be specified for IP-layer
Michael Brown [Wed, 10 Jan 2007 02:25:11 +0000 (02:25 +0000)]
Allow an explicit network device to be specified for IP-layer

15 years agoAdd interface management commands
Michael Brown [Wed, 10 Jan 2007 02:04:07 +0000 (02:04 +0000)]
Add interface management commands

15 years agoMove header file for usr/autoboot.c to include/usr
Michael Brown [Wed, 10 Jan 2007 02:03:20 +0000 (02:03 +0000)]
Move header file for usr/autoboot.c to include/usr

15 years agoAdded network interface management commands
Michael Brown [Wed, 10 Jan 2007 01:55:07 +0000 (01:55 +0000)]
Added network interface management commands

15 years agoAdd "name" field to network device, to facilitate netdev commands.
Michael Brown [Tue, 9 Jan 2007 23:48:18 +0000 (23:48 +0000)]
Add "name" field to network device, to facilitate netdev commands.

15 years agoAdd RX quotas to the net device poll() method. This avoids the problem
Michael Brown [Tue, 9 Jan 2007 21:47:01 +0000 (21:47 +0000)]
Add RX quotas to the net device poll() method.  This avoids the problem
of alloc_pkb() exhaustion when e.g. an iSCSI-booted DOS session is left
idle for a long time at the C:\ prompt and builds up a huge packet

15 years agoAutopadding was sometimes overwriting the struct list_head at the end
Michael Brown [Tue, 9 Jan 2007 21:01:55 +0000 (21:01 +0000)]
Autopadding was sometimes overwriting the struct list_head at the end
of the packet buffer.  Although pkbuffs are guaranteed to be at least
PKB_ZLEN bytes long, there's no guarantee that the data starts at the
start of the packet buffer.

Since we have to align data for rtl8139 anyway, and since the start of
the packet buffer is guaranteed to be aligned to PKB_ALIGN, we may as
well just shuffle the packet down so that it starts at the start of
the packet buffer.  This simultaneously aligns the packet and ensures
that there is enough room for the zero-padding.

15 years agoRename pkb_available() to pkb_tailroom() for consistency with Linux's
Michael Brown [Tue, 9 Jan 2007 20:56:31 +0000 (20:56 +0000)]
Rename pkb_available() to pkb_tailroom() for consistency with Linux's
skb_tailroom().  Add pkb_headroom().

15 years agoAdded net device TX queue; this will be needed to support the PXE UNDI API
Michael Brown [Tue, 9 Jan 2007 20:18:31 +0000 (20:18 +0000)]
Added net device TX queue; this will be needed to support the PXE UNDI API
(which will need us to wait for TX completions).

Added debug autocolourisation to netdevice.c

15 years agoMove start/stop/expire debug messages to DBG2() level.
Michael Brown [Tue, 9 Jan 2007 17:39:52 +0000 (17:39 +0000)]
Move start/stop/expire debug messages to DBG2() level.

15 years agoAdded ability to break ISR processing over several calls to poll().
Michael Brown [Tue, 9 Jan 2007 17:04:10 +0000 (17:04 +0000)]
Added ability to break ISR processing over several calls to poll().
This will allow us to implement RX quotas.

15 years agoSend EOI after enabling interrupt, in case the device had asserted IRQ
Michael Brown [Tue, 9 Jan 2007 14:53:19 +0000 (14:53 +0000)]
Send EOI after enabling interrupt, in case the device had asserted IRQ
to the PIC while it was disabled.

15 years agoAllow boot sector to completely destroy real-mode stack, but still
Michael Brown [Tue, 9 Jan 2007 14:13:59 +0000 (14:13 +0000)]
Allow boot sector to completely destroy real-mode stack, but still
manage to return control.

15 years agoLeave protected-mode return address on PM stack when issuing a
Michael Brown [Tue, 9 Jan 2007 14:13:06 +0000 (14:13 +0000)]
Leave protected-mode return address on PM stack when issuing a
real_call(), rather than moving it to the RM stack and back again.
This allows the real-mode function to completely destroy the stack
contents, provided that it manages to return to real_call().

15 years agoDefine "connected" as
Michael Brown [Tue, 9 Jan 2007 05:01:22 +0000 (05:01 +0000)]
Define "connected" as

  "when SYN is ACKed and we have already received SYN", or
  "when SYN is received and we have already had SYN ACKed"

rather than just

  "when SYN is ACKed"

This avoids spuriously calling the connected() method when we receive
a RST,ACK in response to a SYN.

15 years agoReset character attributes before start of welcome banner, in case
Michael Brown [Tue, 9 Jan 2007 04:51:27 +0000 (04:51 +0000)]
Reset character attributes before start of welcome banner, in case
it's a serial console and remembers state from the previous program

15 years agoWe can't assert that the RX engine is idle in iscsi_done(), because it
Michael Brown [Tue, 9 Jan 2007 04:42:23 +0000 (04:42 +0000)]
We can't assert that the RX engine is idle in iscsi_done(), because it
may be called during the RX data processor, before the RX engine
transitions back to idle.  It doesn't really matter if the RX engine
isn't idle when iscsi_done() is called, because it will just pick up
where it left off on the next call.  (The same is not true for the TX
engine, so keep the TX engine assertion.)

15 years agoUse debug auto-colourisation.
Michael Brown [Tue, 9 Jan 2007 04:38:39 +0000 (04:38 +0000)]
Use debug auto-colourisation.

15 years agoClean up connection closing and permanent failure logic.
Michael Brown [Tue, 9 Jan 2007 04:31:33 +0000 (04:31 +0000)]
Clean up connection closing and permanent failure logic.

15 years agoObsoleted by drivers/net/undionly.c
Michael Brown [Tue, 9 Jan 2007 03:22:11 +0000 (03:22 +0000)]
Obsoleted by drivers/net/undionly.c

15 years agoAdded UNDI root bus driver (which saves including all the PCI bus code,
Michael Brown [Tue, 9 Jan 2007 03:20:22 +0000 (03:20 +0000)]
Added UNDI root bus driver (which saves including all the PCI bus code,
UNDI ROM code etc. when you just want a "undi.kpxe"-type image).

This driver cannot be used in conjunction with any other driver (it will
crash), or in any other format than .kpxe (it just won't find any network

15 years agoAdded missing call to undinet_remove()
Michael Brown [Tue, 9 Jan 2007 03:08:01 +0000 (03:08 +0000)]
Added missing call to undinet_remove()

15 years agoundipci_probe() has to calculate busdevfn anyway, so we may as well pass
Michael Brown [Tue, 9 Jan 2007 02:58:07 +0000 (02:58 +0000)]
undipci_probe() has to calculate busdevfn anyway, so we may as well pass
it directly to undi_load_pci().

15 years agoAvoid erasing non-existent signatures in undi_unload()
Michael Brown [Tue, 9 Jan 2007 02:53:24 +0000 (02:53 +0000)]
Avoid erasing non-existent signatures in undi_unload()

15 years agoAvoid leaving preloaded_undi with invalid PXENV+/!PXE structure
Michael Brown [Tue, 9 Jan 2007 02:52:28 +0000 (02:52 +0000)]
Avoid leaving preloaded_undi with invalid PXENV+/!PXE structure
addresses if the signature checks fail.

15 years agoSince we now always unload the base code stack (even if we keep UNDI),
Michael Brown [Tue, 9 Jan 2007 02:46:58 +0000 (02:46 +0000)]
Since we now always unload the base code stack (even if we keep UNDI),
we can never return to the PXE stack and must always use INT 18.

15 years agoIf preloaded device matches, use that rather than going via the UNDI
Michael Brown [Tue, 9 Jan 2007 02:32:06 +0000 (02:32 +0000)]
If preloaded device matches, use that rather than going via the UNDI

15 years agoPopulate preloaded_undi device when applicable.
Michael Brown [Tue, 9 Jan 2007 02:29:54 +0000 (02:29 +0000)]
Populate preloaded_undi device when applicable.

15 years agoProvide storage for an undi_device structure representing the preloaded
Michael Brown [Tue, 9 Jan 2007 02:29:18 +0000 (02:29 +0000)]
Provide storage for an undi_device structure representing the preloaded
UNDI stack.

15 years agoCall PXENV_UNDI_GET_NIC_TYPE to identify NIC physical device.
Michael Brown [Tue, 9 Jan 2007 01:42:28 +0000 (01:42 +0000)]
Call PXENV_UNDI_GET_NIC_TYPE to identify NIC physical device.

Record all information required for populating a struct undi_device.

Make debugging output more human-readable.

15 years agoUse fixed-width fields in struct undi_device, so that pxeprefix.S will be
Michael Brown [Tue, 9 Jan 2007 01:41:26 +0000 (01:41 +0000)]
Use fixed-width fields in struct undi_device, so that pxeprefix.S will be
able to populate the structure.

15 years agoCopy pxelinux's shutdown sequence: use UNLOAD_STACK without STOP_BASE,
Michael Brown [Mon, 8 Jan 2007 05:06:26 +0000 (05:06 +0000)]
Copy pxelinux's shutdown sequence: use UNLOAD_STACK without STOP_BASE,
and call UNDI_SHUTDOWN first to make sure the NIC is in a safe state.

15 years agoNew strategy: always stop both base code and UNDI. Always free base code
Michael Brown [Mon, 8 Jan 2007 03:48:26 +0000 (03:48 +0000)]
New strategy: always stop both base code and UNDI.  Always free base code
memory (unless we get an error while stopping the base code).  Leave UNDI
resident (though stopped) for .kpxe.

Still need to add code to record the device identification parameters
prior to stopping UNDI.

15 years agoChecking in obsolete but working memory-scanning code just for the record
Michael Brown [Mon, 8 Jan 2007 03:45:00 +0000 (03:45 +0000)]
Checking in obsolete but working memory-scanning code just for the record

15 years agoNeaten up debug messages
Michael Brown [Mon, 8 Jan 2007 03:42:19 +0000 (03:42 +0000)]
Neaten up debug messages

15 years agoRemove spurious debug message
Michael Brown [Mon, 8 Jan 2007 03:37:32 +0000 (03:37 +0000)]
Remove spurious debug message

15 years agoNow split out into undirom.c and undiload.c
Michael Brown [Mon, 8 Jan 2007 03:35:51 +0000 (03:35 +0000)]
Now split out into undirom.c and undiload.c

15 years agoAdded any-PCI-device UNDI driver
Michael Brown [Mon, 8 Jan 2007 03:34:47 +0000 (03:34 +0000)]
Added any-PCI-device UNDI driver

15 years agoTidied up debug messages
Michael Brown [Mon, 8 Jan 2007 03:34:06 +0000 (03:34 +0000)]
Tidied up debug messages

15 years agoAdded PCI_BASE_CLASS() macro
Michael Brown [Mon, 8 Jan 2007 03:32:41 +0000 (03:32 +0000)]
Added PCI_BASE_CLASS() macro

15 years agoAdded support for wildcard device/vendor ID matches
Michael Brown [Mon, 8 Jan 2007 03:23:38 +0000 (03:23 +0000)]
Added support for wildcard device/vendor ID matches

15 years agoRemove types and prototypes now provided in the undi*.h headers.
Michael Brown [Mon, 8 Jan 2007 03:05:34 +0000 (03:05 +0000)]
Remove types and prototypes now provided in the undi*.h headers.

15 years agoAdded debugging statements
Michael Brown [Mon, 8 Jan 2007 03:04:54 +0000 (03:04 +0000)]
Added debugging statements

15 years agoAdded missing includes
Michael Brown [Mon, 8 Jan 2007 03:03:42 +0000 (03:03 +0000)]
Added missing includes

15 years agoAdded missing declarations
Michael Brown [Mon, 8 Jan 2007 02:51:27 +0000 (02:51 +0000)]
Added missing declarations

15 years agoAdded missing include
Michael Brown [Mon, 8 Jan 2007 02:51:04 +0000 (02:51 +0000)]
Added missing include

15 years agoSplit UNDI load/unload out into undiload.c.
Michael Brown [Mon, 8 Jan 2007 02:48:17 +0000 (02:48 +0000)]
Split UNDI load/unload out into undiload.c.

15 years agoRemove obsolete includes
Michael Brown [Mon, 8 Jan 2007 02:39:56 +0000 (02:39 +0000)]
Remove obsolete includes

15 years agoSeparated out UNDI ROM location code into undirom.c, and use struct
Michael Brown [Mon, 8 Jan 2007 02:38:10 +0000 (02:38 +0000)]
Separated out UNDI ROM location code into undirom.c, and use struct
undi_rom rather than struct pxe_driver.  (This is part of the naming
consistency fixes).

15 years agoUse "struct undi_device" instead of "struct pxe_device", and use the
Michael Brown [Mon, 8 Jan 2007 02:24:53 +0000 (02:24 +0000)]
Use "struct undi_device" instead of "struct pxe_device", and use the
function prefix "undinet_" and the variable name "undinic" in undinet.c,
so that we can reserve the variable name "undi" for a struct undi_device.

The idea is that we preserve the Etherboot 5.4 convention that the "UNDI"
code refers to our using an underlying UNDI stack, while the "PXE" code
refers to our providing a PXE API.

15 years agoRenamed undi.c to undinet.c. (undi.c will become the UNDI PCI driver)
Michael Brown [Mon, 8 Jan 2007 02:02:07 +0000 (02:02 +0000)]
Renamed undi.c to undinet.c.  (undi.c will become the UNDI PCI driver)

15 years agoObsolete
Michael Brown [Mon, 8 Jan 2007 02:00:55 +0000 (02:00 +0000)]

15 years agoAdd device to hierarchy before calling the driver's probe() function; this
Michael Brown [Mon, 8 Jan 2007 01:29:51 +0000 (01:29 +0000)]
Add device to hierarchy before calling the driver's probe() function; this
way everything remains consistent if the probe() ends up creating child

15 years agoRemove accidentally checked-in code
Michael Brown [Sun, 7 Jan 2007 19:05:28 +0000 (19:05 +0000)]
Remove accidentally checked-in code

Michael Brown [Sun, 7 Jan 2007 19:02:17 +0000 (19:02 +0000)]
UNDI_GET_INFORMATION calls into drivers/net/undi.c.  undi_probe() now
gets given a pxe_device representing a PXE stack that has been loaded
into memory but not initialised in any way.

15 years agoRemember to enable/disable the interrupt at the PIC.
Michael Brown [Sun, 7 Jan 2007 13:31:39 +0000 (13:31 +0000)]
Remember to enable/disable the interrupt at the PIC.

Handle failures in undi_open() properly.

15 years agoRemove redundant debug message
Michael Brown [Fri, 5 Jan 2007 16:15:50 +0000 (16:15 +0000)]
Remove redundant debug message

15 years agoUNDI loader routine now works
Michael Brown [Fri, 5 Jan 2007 16:11:05 +0000 (16:11 +0000)]
UNDI loader routine now works

15 years agoAdded PnP BIOS scanning code, separated out from the UNDI driver
Michael Brown [Fri, 5 Jan 2007 16:10:03 +0000 (16:10 +0000)]
Added PnP BIOS scanning code, separated out from the UNDI driver

15 years agoFixed typo
Marty Connor [Fri, 5 Jan 2007 16:09:47 +0000 (16:09 +0000)]
Fixed typo

15 years agoAvoid creating implicit memcpy()s
Michael Brown [Fri, 5 Jan 2007 14:48:20 +0000 (14:48 +0000)]
Avoid creating implicit memcpy()s

15 years agoPartial implementation of UNDI loader caller.
Michael Brown [Fri, 5 Jan 2007 03:24:39 +0000 (03:24 +0000)]
Partial implementation of UNDI loader caller.

15 years agoAdd PXE driver-scanning code, capable of locating all PXE ROMs in a system
Michael Brown [Fri, 5 Jan 2007 01:52:06 +0000 (01:52 +0000)]
Add PXE driver-scanning code, capable of locating all PXE ROMs in a system
and matching them up to (e.g. PCI) devices.

15 years agoRenamed undi_net.c to undi.c.
Michael Brown [Thu, 4 Jan 2007 19:43:35 +0000 (19:43 +0000)]
Renamed undi_net.c to undi.c.

15 years agoObsolete; net driver functionality is now in undi_net.c and bus driver
Michael Brown [Thu, 4 Jan 2007 19:42:05 +0000 (19:42 +0000)]
Obsolete; net driver functionality is now in undi_net.c and bus driver
functionality is now in pxebus.c.  (Not all bus functionality is ported
across yet.)

15 years agoAdded PXE bus driver (with support only for using PXE structures found
Michael Brown [Thu, 4 Jan 2007 19:38:34 +0000 (19:38 +0000)]
Added PXE bus driver (with support only for using PXE structures found
lying about in memory, not for loading from ROM), and UNDI net driver.

15 years agoObsolete
Michael Brown [Thu, 4 Jan 2007 19:37:31 +0000 (19:37 +0000)]

15 years agoCurrently unusable; do not attempt to compile
Michael Brown [Thu, 4 Jan 2007 19:37:21 +0000 (19:37 +0000)]
Currently unusable; do not attempt to compile

15 years agoThis file is no longer used
Michael Brown [Thu, 4 Jan 2007 19:36:31 +0000 (19:36 +0000)]
This file is no longer used

15 years agoRipped out everything except the ability to send EOI to the PIC.
Michael Brown [Thu, 4 Jan 2007 19:36:18 +0000 (19:36 +0000)]
Ripped out everything except the ability to send EOI to the PIC.

15 years agoAdd as a separate file so that we can do "make bin/xxxx.kpxe" rather than
Michael Brown [Thu, 4 Jan 2007 19:35:10 +0000 (19:35 +0000)]
Add as a separate file so that we can do "make bin/xxxx.kpxe" rather than
having to edit PXELOADER_KEEP_ALL as a config option.

15 years agoDon't include __FUNCTION__ in assert() messages; it was causing the
Michael Brown [Thu, 4 Jan 2007 13:48:13 +0000 (13:48 +0000)]
Don't include __FUNCTION__ in assert() messages; it was causing the
function name to appear within the objects even in non-asserting
builds.  (This could be considered a gcc bug.)

Removing __FUNCTION__ from assert() reduces the size of bin/blib.a by
around 2.5%!

15 years agoAllow empty checksums on received packets
Michael Brown [Thu, 4 Jan 2007 05:17:28 +0000 (05:17 +0000)]
Allow empty checksums on received packets

15 years agoDon't automatically call gateA20_set() when returning from a real-mode
Michael Brown [Thu, 4 Jan 2007 04:32:18 +0000 (04:32 +0000)]
Don't automatically call gateA20_set() when returning from a real-mode

15 years agoMake open() and close() an official part of the netdevice API.
Michael Brown [Thu, 4 Jan 2007 04:20:08 +0000 (04:20 +0000)]
Make open() and close() an official part of the netdevice API.

Call netdevice's poll() and transmit() methods only when device is open.

15 years agoWe *should* use the persistent reference API for our netdev reference,
Michael Brown [Thu, 4 Jan 2007 03:44:36 +0000 (03:44 +0000)]
We *should* use the persistent reference API for our netdev reference,
but there's so much else missing that it's not worth doing right now.

15 years agoA DHCP session holds a persistent reference to a network device
Michael Brown [Thu, 4 Jan 2007 03:42:28 +0000 (03:42 +0000)]
A DHCP session holds a persistent reference to a network device

15 years agoAdded missing #include
Michael Brown [Thu, 4 Jan 2007 03:40:07 +0000 (03:40 +0000)]
Added missing #include

15 years agoIPv6 minirouting table entries hold persistent references to net devices.
Michael Brown [Thu, 4 Jan 2007 03:28:30 +0000 (03:28 +0000)]
IPv6 minirouting table entries hold persistent references to net devices.

15 years agoAn AoE session holds a persistent reference to a net device.
Michael Brown [Thu, 4 Jan 2007 03:21:45 +0000 (03:21 +0000)]
An AoE session holds a persistent reference to a net device.

15 years agoMinirouting table entries hold a persistent reference to a net_device.
Michael Brown [Thu, 4 Jan 2007 03:10:21 +0000 (03:10 +0000)]
Minirouting table entries hold a persistent reference to a net_device.

15 years agoUse hotplug support to notify persistent reference holders when a
Michael Brown [Thu, 4 Jan 2007 03:09:28 +0000 (03:09 +0000)]
Use hotplug support to notify persistent reference holders when a
net_device is unregistered.

15 years agoMinimal hotplug support: provide a facility for notifying persistent
Michael Brown [Thu, 4 Jan 2007 03:08:16 +0000 (03:08 +0000)]
Minimal hotplug support: provide a facility for notifying persistent
reference holders that their reference is about to become invalid.

15 years agoSend RST packets when we get a non-matching connection, or receive an
Michael Brown [Wed, 3 Jan 2007 22:21:59 +0000 (22:21 +0000)]
Send RST packets when we get a non-matching connection, or receive an
out-of-range ACK.

15 years agoAccept RST on received packets
Michael Brown [Wed, 3 Jan 2007 21:51:36 +0000 (21:51 +0000)]
Accept RST on received packets

15 years agoImprove consistency between TCP and UDP RX datapaths
Michael Brown [Wed, 3 Jan 2007 21:13:11 +0000 (21:13 +0000)]
Improve consistency between TCP and UDP RX datapaths

15 years agoVerify checksums on the RX datapath.
Michael Brown [Wed, 3 Jan 2007 20:48:52 +0000 (20:48 +0000)]
Verify checksums on the RX datapath.

Simplify checksum generation on the TX datapath.

15 years agoTidy up debug messages
Michael Brown [Wed, 3 Jan 2007 16:39:11 +0000 (16:39 +0000)]
Tidy up debug messages

Move routing into a separate function

15 years agoFix compiler warning
Michael Brown [Wed, 3 Jan 2007 15:56:15 +0000 (15:56 +0000)]
Fix compiler warning

15 years agoUse whole bytes for the ACKED and RCVD portions of tcp_state; it
Michael Brown [Sat, 30 Dec 2006 01:32:22 +0000 (01:32 +0000)]
Use whole bytes for the ACKED and RCVD portions of tcp_state; it
produces slightly smaller code.

15 years agoUse autocolourisation
Michael Brown [Fri, 29 Dec 2006 14:09:23 +0000 (14:09 +0000)]
Use autocolourisation