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Animesh Bhatt
56347b2612
On AQC113 adapters with an IOMMU (e.g. Intel VT-d) enabled, no packets are received and DHCP fails: the driver never set netdev->dma, leaving the transmit buffers unmapped for DMA. This worked without an IOMMU because the physical address equals the device address, but with an IOMMU the unmapped DMA access faults and stalls the receive path. Set netdev->dma and a 64-bit DMA mask so that transmit buffers are mapped through the firmware IOMMU, as done by the other iPXE drivers. Signed-off-by: Animesh Bhatt <animeshb@marvell.com>
iPXE network bootloader
iPXE is the leading open source network boot firmware. It provides a full PXE implementation enhanced with additional features such as:
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boot from a web server via HTTP or HTTPS,
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boot from an iSCSI, FCoE, or AoE SAN,
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control the boot process with a script,
You can use iPXE to replace the existing PXE ROM on your network card, or you can chainload into iPXE to obtain the features of iPXE without the hassle of reflashing.
iPXE is free, open-source software licensed under the GNU GPL (with some portions under GPL-compatible licences).
You can download the rolling release binaries (built from the latest commit), or use the most recent stable release.
For full documentation, visit the iPXE website.