lp:ipxe

Created by Peter J. Mello and last modified
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Branch information

Owner:
Peter J. Mello
Project:
iPXE
Status:
Development

Import details

Import Status: Reviewed

This branch is an import of the HEAD branch of the Git repository at https://github.com/ipxe/ipxe.git.

The next import is scheduled to run .

Last successful import was .

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Recent revisions

5995. By Michael Brown <email address hidden>

[efi] Use zero for PCI vendor/device IDs when no applicable ID exists

When building an EFI ROM image for which no PCI vendor/device ID is
applicable (e.g. bin-x86_64-efi/ipxe.efirom), the build process will
currently construct a command such as

  ./util/efirom -v -d -c bin-x86_64-efi/ipxe.efidrv \
                         bin-x86_64-efi/ipxe.efirom

which gets interpreted as a vendor ID of "-0xd" (i.e. 0xfff3, after
truncation to 16 bits).

Fix by using an explicit zero ID when no applicable ID exists, as is
already done when constructing BIOS ROM images.

Reported-by: Konstantin Aladyshev <email address hidden>
Signed-off-by: Michael Brown <email address hidden>

5994. By JuniorJPDJ <email address hidden>

[build] Fix genfsimg to work with FATDIR with space

Signed-off-by: Michael Brown <email address hidden>

5993. By Michael Brown <email address hidden>

[cloud] Retry DHCP aggressively in AWS EC2

The DHCP service in EC2 has been observed to occasionally stop
responding for bursts of several seconds. This can easily result in a
failed boot, since the current cloud boot script will attempt DHCP
only once.

Work around this problem by retrying DHCP in a fairly tight cycle
within the cloud boot script, and falling back to a reboot after
several failed DHCP attempts.

Signed-off-by: Michael Brown <email address hidden>

5992. By Michael Brown <email address hidden>

[efi] Match signtool expectations for file alignment

As of commit f1e9e2b ("[efi] Align EFI image sections by page size"),
our SectionAlignment has been increased to 4kB in order to allow for
page-level memory protection to be applied by the UEFI firmware, with
FileAlignment left at 32 bytes.

The PE specification states that the value for FileAlignment "should
be a power of 2 between 512 and 64k, inclusive", and that "if the
SectionAlignment is less than the architecture's page size, then
FileAlignment must match SectionAlignment".

Testing shows that signtool.exe will reject binaries where
FileAlignment is less than 512, unless FileAlignment is equal to
SectionAlignment. This indicates a somewhat zealous interpretation of
the word "should" in the PE specification.

Work around this interpretation by increasing FileAlignment from 32
bytes to 512 bytes, and add explanatory comments for both
FileAlignment and SectionAlignment.

Debugged-by: Andreas Hammarskjöld <junior@2PintSoftware.com>
Signed-off-by: Michael Brown <email address hidden>

5991. By Michael Brown <email address hidden>

[libc] Allow for externally-defined LITTLE_ENDIAN and BIG_ENDIAN constants

When building the Linux userspace binaries, the external system
headers may have already defined values for the __LITTLE_ENDIAN and
__BIG_ENDIAN constants.

Fix by retaining the existing values if already defined, since the
actual values of these constants do not matter.

Signed-off-by: Michael Brown <email address hidden>

5990. By Michael Brown <email address hidden>

[uri] Make URI schemes case-insensitive

RFC 3986 section 3.1 defines URI schemes as case-insensitive (though
the canonical form is always lowercase).

Use strcasecmp() rather than strcmp() to allow for case insensitivity
in URI schemes.

Requested-by: Andreas Hammarskjöld <junior@2PintSoftware.com>
Signed-off-by: Michael Brown <email address hidden>

5989. By Michael Brown <email address hidden>

[rdc] Add driver for RDC R6040 embedded NIC

Signed-off-by: Michael Brown <email address hidden>

5988. By Michael Brown <email address hidden>

[realtek] Work around hardware bug on RTL8211B

The RTL8211B seems to have a bug that prevents the link from coming up
unless the MII_MMD_DATA register is cleared.

The Linux kernel driver applies this workaround (in rtl8211b_resume())
only to the specific RTL8211B PHY model, along with a matching
workaround to set bit 9 of MII_MMD_DATA when suspending the PHY.
Since we have no need to ever suspend the PHY, and since writing a
zero ought to be harmless, we just clear the register unconditionally.

Debugged-by: Nikolay Pertsev <email address hidden>
Tested-by: Nikolay Pertsev <email address hidden>
Signed-off-by: Michael Brown <email address hidden>

5987. By Michael Brown <email address hidden>

[cloud] Show ifstat output after a failed boot attempt

Signed-off-by: Michael Brown <email address hidden>

5986. By Michael Brown <email address hidden>

[peerdist] Assume that most recently discovered peer can be reused

The peer discovery time has a significant impact on the overall
PeerDist download speed, since each block requires an individual
discovery attempt. In most cases, a peer that responds for block N
will turn out to also respond for block N+1.

Assume that the most recently discovered peer (for any block) probably
has a copy of the next block to be discovered, thereby allowing the
peer download attempt to begin immediately.

In the case that this assumption is incorrect, the existing error
recovery path will allow for fallback to newly discovered peers (or to
the origin server).

Suggested-by: Andreas Hammarskjöld <junior@2PintSoftware.com>
Tested-by: Andreas Hammarskjöld <junior@2PintSoftware.com>
Signed-off-by: Michael Brown <email address hidden>

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