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freebsd-skq/sys/dev/virtio
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Michael Tuexen 132ea9f2ad Remove non-functional SCTP checksum offload support for virtio. 
Checksum offloading for SCTP is not currently specified for virtio.
If the hypervisor announces checksum offloading support, it means TCP
and UDP checksum offload. If an SCTP packet is sent and the host announced
checksum offload support, the hypervisor inserts the IP checksum (16-bit)
at the correct offset, but this is not the right checksum, which is a CRC32c.
This results in all outgoing packets having the wrong checksum and therefore
breaking SCTP based communications.

This patch removes SCTP checksum offloading support from the virtio
network interface.

Thanks to Felix Weinrank for making me aware of the issue.

Reviewed by:		bryanv@
MFC after:		1 week
Differential Revision:	https://reviews.freebsd.org/D20147
2019-05-07 20:28:12 +00:00
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console Revert r327828, r327949, r327953, r328016-r328026, r328041: 2018-01-21 15:42:36 +00:00
mmio Split out the virtio mmio FDT attachment and add an ACPI attachment. 2018-10-21 15:43:20 +00:00
network Remove non-functional SCTP checksum offload support for virtio. 2019-05-07 20:28:12 +00:00
pci Revert r327828, r327949, r327953, r328016-r328026, r328041: 2018-01-21 15:42:36 +00:00
random Remove the Yarrow PRNG algorithm option in accordance with due notice 2018-08-26 12:51:46 +00:00
scsi Fix SCSI sense data pass through. 2019-04-12 18:54:09 +00:00
virtio_bus_if.m Add VirtIO bus config_generation method 2018-02-19 19:28:24 +00:00
virtio_config.h Update VirtIO definitions from Linux virtio_config.h and virtio_ring.h headers 2018-06-17 20:45:48 +00:00
virtio_ids.h Sync VirtIO IDs with Linux 2018-01-14 06:03:40 +00:00
virtio_if.m
virtio_ring.h Update VirtIO definitions from Linux virtio_config.h and virtio_ring.h headers 2018-06-17 20:45:48 +00:00
virtio.c Add VirtIO bus config_generation method 2018-02-19 19:28:24 +00:00
virtio.h Add VirtIO bus config_generation method 2018-02-19 19:28:24 +00:00
virtqueue.c Add more virtqueue getter methods 2018-02-19 19:31:18 +00:00
virtqueue.h Add more virtqueue getter methods 2018-02-19 19:31:18 +00:00