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* [pci] Correct invalid base-class/sub-class/prog-if order in PCIRPetr Borsodi2019-01-154-5/+5
| | | | | | | | | PCI Configuration Space contains fields prog-if at the offset 0x09, sub-class at the offset 0x0a and base-class at the offset 0x0b (it respects little endian). PCIR structure uses these fields in the same order. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [build] Handle R_X86_64_PLT32 from binutils 2.31Christian Hesse2018-09-171-0/+1
| | | | | | | | Starting from binutils 2.31.0 (commit bd7ab16b) x86-64 assembler generates R_X86_64_PLT32 instead of R_X86_64_PC32. Acked-by: John Jolly <jjolly@suse.com> Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [sfc] Add support for X25xx adaptersMartin Habets2018-08-262-3/+11
| | | | | | | | | | The first adapters in this family are X2522-10, X2522-25, X2541 and X2542. These no longer use PCI BAR 0 for I/O, but use that for memory. In other words, BAR 2 on SFN8xxx adapters now becomes BAR 0. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [intelxl] Add driver for Intel 40 Gigabit Ethernet NICsMichael Brown2018-07-173-0/+2316
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [ethernet] Use standard 1500 byte MTU unless explicitly overriddenMichael Brown2018-07-173-0/+3
| | | | | | | | | | | | | Devices that support jumbo frames will currently default to the largest possible MTU. This assumption is valid for virtual adapters such as virtio-net, where the MTU must have been configured by a system administrator, but is unsafe in the general case of a physical adapter. Default to the standard Ethernet MTU, unless explicitly overridden either by the driver or via the ${netX/mtu} setting. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [rndis] Clean up error handling path in register_rndis()Michael Brown2018-07-091-41/+61
| | | | | | | | Avoid calling rndis_halt() and rndis->op->close() twice if the call to register_netdev() fails. Reported-by: Roman Kagan <rkagan@virtuozzo.com> Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [build] Use positive-form tests when checking for supported warningsMichael Brown2018-07-081-2/+2
| | | | | | | | | | | | Some versions of gcc seem to silently accept an attempt to disable an unrecognised warning (e.g. via -Wno-stringop-truncation) but will then report the unrecognised warning if any other error occurs during the build, resulting in a potentially misleading error message. Avoid this potential confusion by using the positive-form tests in order to determine the workaround CFLAGS. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [vmbus] Do not expect version in version_responseRoman Kagan2018-07-081-8/+2Star
| | | | | | | | | | | | | | | | | | The definition of version_response channel message in Linux doesn't include version field, so the upcoming VMBus implementation in QEMU doesn't set it either. Neither Windows nor Linux had any problem with this. The check against this field is redundant because the message is the response to initiate_contact message containing the specific version requested, so the response with version_supported=true is unambiguous. Drop this check and don't rely on the field to be present in the message. Signed-off-by: Roman Kagan <rkagan@virtuozzo.com> Modified-by: Michael Brown <mcb30@ipxe.org> Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [rndis] Register netdev with MAC filledRoman Kagan2018-07-071-9/+9
| | | | | | | | | | register_netdev expects ->hw_addr and ->ll_addr to be already filled, so move it towards the end of register_rndis, after the respective fields have been successfully queried from the underlying device. Signed-off-by: Roman Kagan <rkagan@virtuozzo.com> Modified-by: Michael Brown <mcb30@ipxe.org> Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [efi] Exclude link-layer header length from MaxPacketSizeRob Taglang2018-07-071-1/+1
| | | | | Modified-by: Michael Brown <mcb30@ipxe.org> Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [intelx] Add support for Intel X552 NICSteven Haber2018-07-071-0/+1
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [build] Disable gcc stringop-truncation warningsBruce Rogers2018-07-071-1/+9
| | | | | | | | | | | | | | | | | | | The gcc 8 compiler introduces a warning for certain string manipulation functions, flagging usages which _may_ not be intended. An audit of the iPXE sources indicates all usages of strncat and strncpy are as intended, so the warnings currently issued are not helpful, especially if warnings are considered errors. Fix by detecting gcc's support for -Wno-stringop-truncation and, if detected, using that option to avoid the warning. Signed-off-by: Bruce Rogers <brogers@suse.com> Modified-by: Michael Brown <mcb30@ipxe.org> Also-fixed-by: Christian Hesse <list@eworm.de> Also-fixed-by: Roman Kagan <rkagan@virtuozzo.com> Also-fixed-by: Bernhard M. Wiedemann <bwiedemann@suse.de> Also-fixed-by: Olaf Hering <olaf@aepfle.de> Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [http] Work around stateful authentication schemesMichael Brown2018-06-082-2/+19
| | | | | | | | | | | | | | | | As pointedly documented in RFC7230 section 2.3, HTTP is a stateless protocol: each request message can be understood in isolation from any other requests or responses. Various authentication schemes such as NTLM break this fundamental property of HTTP and rely on the same TCP connection being reused. Work around these broken authentication schemes by ensuring that the most recently pooled connection is reused for the subsequent authentication retry. Reported-by: Andreas Hammarskjöld <junior@2PintSoftware.com> Tested-by: Andreas Hammarskjöld <junior@2PintSoftware.com> Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [icplus] Add driver for IC+ network cardSylvie Barlow2018-04-203-0/+1016
| | | | | Signed-off-by: Sylvie Barlow <sylvie.c.barlow@gmail.com> Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [mii] Add bit-bashing interfaceSylvie Barlow2018-04-202-0/+217
| | | | | | Signed-off-by: Sylvie Barlow <sylvie.c.barlow@gmail.com> Modified-by: Michael Brown <mcb30@ipxe.org> Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [mii] Add mii_find()Sylvie Barlow2018-04-202-0/+29
| | | | | | | Add the function mii_find() in order to locate the PHY address. Signed-off-by: Sylvie Barlow <sylvie.c.barlow@gmail.com> Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [mii] Fix typo in parameter nameMichael Brown2018-04-201-1/+1
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [tcp] Add missing packed attribute on struct tcp_headerMichael Brown2018-04-191-1/+1
| | | | | | Debugged-by: Mark Rutland <mark.rutland@arm.com> Debugged-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [mii] Separate concepts of MII interface and MII deviceMichael Brown2018-04-1910-59/+118
| | | | | | | | | | | | | We currently have no generic concept of a PHY address, since all existing implementations simply hardcode the PHY address within the MII access methods. A bit-bashing MII interface will need to be provided with an explicit PHY address in order to generate the correct waveform. Allow for this by separating out the concept of a MII device (i.e. a specific PHY address attached to a particular MII interface). Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [velocity] Fix usage of mii_read() and mii_write()Michael Brown2018-04-191-4/+4
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [rhine] Fix usage of mii_read()Michael Brown2018-04-191-2/+1Star
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [undi] Include subsystem IDs in broken interrupt device checkMichael Brown2018-04-181-6/+27
| | | | | | | | Allow the subsystem IDs to be used when checking for PXE stacks with broken interrupt support. Suggested-by: Levi Hsieh <Levi.Hsieh@dell.com> Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [intelx] Add PCI_ROM entry for Intel X553 NICRob Taglang2018-04-101-0/+1
| | | | | Modified-by: Michael Brown <mcb30@ipxe.org> Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [efi] Add support for R_ARM_REL32 relocationsHeinrich Schuchardt2018-03-281-0/+1
| | | | | | | | | | | The relocation type R_ARM_REL32 is generated when building bin-arm32-efi/snp.efi using gcc 6.3 and ld 2.28. R_ARM_REL32 is a program counter (PC) relative 32 bit relocation so we can ignore it like all other PC relative relocations. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [efi] Do not raise TPL within EFI_DRIVER_BINDING_PROTOCOL.Supported()Michael Brown2018-03-261-7/+0Star
| | | | | | | | | | | | When booting some versions of the UEFI shell, our driver binding protocol's Supported() entry point is called at TPL_NOTIFY for no discernible reason. Attempting to raise to TPL_CALLBACK triggers an immediate assertion failure in the firmware. Since our Supported() method can run at any TPL, fix by simply not attempting to raise the TPL within this method. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [efi] Release SNP devices before starting SAN boot imageMichael Brown2018-03-261-0/+4
| | | | | | | | Release SNP devices to allow the SAN booted image to use our EFI_SIMPLE_NETWORK_PROTOCOL instance, and to ensure that the image is started at TPL_APPLICATION. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [tls] Ensure that window change is propagated to plainstream interfaceMichael Brown2018-03-241-2/+7
| | | | | | | | | | | | | | | | The cipherstream xfer_window_changed() message is used to retrigger the TLS transmit state machine. If the transmit state machine is idle, then the window change message will not be propagated to the plainstream interface. This can potentially cause the plainstream interface peer (e.g. httpcore) to block waiting for a window change message that will never arrive. Fix by ensuring that the window change message is propagated to the plainstream interface if the transmit state machine is idle. (If the transmit state machine is not idle then the plainstream window will be zero anyway.) Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [tls] Rename tls_session to tls_connectionMichael Brown2018-03-242-121/+125
| | | | | | | | | | | | In TLS terminology a session conceptually spans multiple individual connections, and essentially represents the stored cryptographic state (master secret and cipher suite) required to establish communication without going through the certificate and key exchange handshakes. Rename tls_session to tls_connection in order to make the name tls_session available to represent the session state. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [list] Add list_is_first_entry() and list_is_last_entry()Michael Brown2018-03-242-0/+43
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [tls] Ensure received data list is initialised before calling tls_free()Michael Brown2018-03-231-3/+3
| | | | | | | | | | | A failure in tls_generate_random() will result in a call to ref_put() before the received data list has been initialised, which will cause free_tls() to attempt to traverse an uninitialised list. Fix by ensuring that all fields referenced by free_tls() are initialised before any of the potential failure paths. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [util] Support reversed sort ordering when generating NIC listRobin Smidsrød2018-03-211-21/+29
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [librm] Ensure that inline code symbols are uniqueMichael Brown2018-03-216-9/+9
| | | | | | | | | | | | | | | Commit 6149e0a ("[librm] Provide symbols for inline code placed into other sections") may cause build failures due to duplicate label names if the compiler chooses to duplicate inline assembly code. Fix by using the "%=" special format string to include a guaranteed-unique number within the label name. The "%=" will be expanded only if constraints exist for the inline assembly. This fix therefore requires that all REAL_CODE() fragments use a (possibly empty) constraint list. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [librm] Provide symbols for inline code placed into other sectionsMichael Brown2018-03-211-0/+5
| | | | | | | | | | | | | Provide symbols constructed from the object name and line number for code fragments placed into alternative sections, such as inline REAL_CODE() assembly placed into .text16. This simplifies the debugging task of finding the source code corresponding to a given instruction pointer. Note that we cannot use __FUNCTION__ since it is not a preprocessor macro and so cannot be concatenated with string literals. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [undi] Treat invalid IRQ numbers as non-fatal errorsMichael Brown2018-03-211-4/+2Star
| | | | | | | | If the underlying PXE stack reports an invalid IRQ number (above IRQ_MAX), treat this as equivalent to an empty IRQ number and fall back to using polling mode. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [build] Prevent use of MMX and SSE registersMichael Brown2018-03-202-2/+5
| | | | | | | | | | | | | | | | | | | | | | | The existence of MMX and SSE is required by the System V x86_64 ABI and so is assumed by gcc, but these registers are not preserved by our own interrupt handlers and are unlikely to be preserved by other context switch handlers in a boot firmware environment. Explicitly prevent gcc from using MMX or SSE registers to avoid potential problems due to silent register corruption. We must remove the %xmm0-%xmm5 clobbers from the x86_64 version of hv_call() since otherwise gcc will complain about unknown register names. Theoretically, we should probably add code to explicitly preserve the %xmm0-%xmm5 registers across a hypercall, in order to guarantee to external code that these registers remain unchanged. In practice this is difficult since SSE registers are disabled by default: for background information see commits 71560d1 ("[librm] Preserve FPU, MMX and SSE state across calls to virt_call()") and dd9a14d ("[librm] Conditionalize the workaround for the Tivoli VMM's SSE garbling"). Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [rng] Use fixed-point calculations for min-entropy quantitiesMichael Brown2018-03-206-13/+34
| | | | | | | | | | | | | | We currently perform various min-entropy calculations using build-time floating-point arithmetic. No floating-point code ends up in the final binary, since the results are eventually converted to integers and asserted to be compile-time constants. Though this mechanism is undoubtedly cute, it inhibits us from using "-mno-sse" to prevent the use of SSE registers by the compiler. Fix by using fixed-point arithmetic instead. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [golan] Set log_max_qp to 1Ameer Mahagneh2018-03-202-4/+3Star
| | | | | | | This is required to work around a bug in some firmware versions. Signed-off-by: Ameer Mahagneh <ameerm@mellanox.com> Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [time] Add support for the ACPI power management timerMichael Brown2018-03-204-0/+147
| | | | | | | | Allow the ACPI power management timer to be used if enabled via TIMER_ACPI in config/timer.h. This provides an alternative timer on systems where the standard 8254 PIT is unavailable or unreliable. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [efi] Provide Map_Mem() and associated UNDI callbacksMichael Brown2018-03-201-0/+163
| | | | | | | | | | | | | | | | | | | Some drivers are known to call the optional Map_Mem() callback without first checking that the callback exists. Provide a usable basic implementation of Map_Mem() along with the other callbacks that become mandatory if Map_Mem() is provided. Note that in theory the PCI I/O protocol is allowed to require multiple calls to Map(), with each call handling only a subset of the overall mapped range. However, the reference implementation in EDK2 assumes that a single Map() will always suffice, so we can probably make the same simplifying assumption here. Tested with the Intel E3522X2.EFI driver (which, incidentally, fails to cleanly remove one of its mappings). Originally-implemented-by: Maor Dickman <maord@mellanox.com> Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [lacp] Check the partner's own state when checking for blocked linksMichael Brown2018-03-191-4/+4
| | | | | | | | The blocked link test in eth_slow_lacp_rx() is performed before the actor TLV is copied to the partner TLV, and so must test the actor state field rather than the partner state field. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [ocsp] Allow OCSP checks to be disabledMichael Brown2018-03-182-0/+20
| | | | | | | | | Some CAs provide non-functional OCSP servers, and some clients are forced to operate on networks without access to the OCSP servers. Allow the user to explicitly disable the use of OCSP checks by undefining OCSP_CHECK in config/crypto.h. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [ocsp] Centralise test for whether or not an OCSP check is requiredMichael Brown2018-03-183-4/+18
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [profile] Prevent potential division by zeroMichael Brown2018-03-181-2/+4
| | | | | | | | Limit the profile sample count to INT_MAX to avoid both signed overflow and a potential division by zero when updating the stored mean value. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [tftp] Prevent potential division by zeroMichael Brown2018-03-181-0/+2
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [lacp] Fix debug message to match documentationMichael Brown2018-03-181-1/+1
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [lacp] Mark link as blocked if partner is not yet up and runningMichael Brown2018-03-182-0/+28
| | | | | | | | | | | | Mark the link as blocked if the LACP partner is not reporting itself as being in sync, collecting, and distributing. This matches the behaviour for STP: we mark the link as blocked if we detect that the switch is actively blocking traffic, in order to extend the DHCP discovery period and so prevent boot failures on switches that take an excessively long time to enable ports. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [golan] Do not assume all devices are identicalMichael Brown2018-03-181-5/+2Star
| | | | | | | | Remove the global variable shomron_nodnic_supported, since it may have different values for different PCI devices. Originally-fixed-by: Mohammed Taha <mohammedt@mellanox.com> Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [librm] Add facility to provide register and stack dump for CPU exceptionsMichael Brown2018-03-183-7/+162
| | | | | | | | | | | | | When DEBUG=librm_mgmt is enabled, intercept CPU exceptions and provide a register and stack dump, then drop to an emergency shell. Exiting from the shell will almost certainly not work, but this provides an opportunity to view the register and stack dump and carry out some basic debugging. Note that we can intercept only the first 8 CPU exceptions, since a PXE ROM is not permitted to rebase the PIC. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [intel] Add PCI_ROM entry for Intel i354 NICRob Taglang2018-03-151-0/+1
| | | | | Modified-by: Michael Brown <mcb30@ipxe.org> Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [efi] Raise TPL within EFI_DRIVER_BINDING_PROTOCOL entry pointsMichael Brown2018-03-151-0/+19
| | | | | Debugged-by: Rob Taglang <rob@privatemachines.com> Signed-off-by: Michael Brown <mcb30@ipxe.org>
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