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Differential D43136

vtnet: Adjust rx buffer so IP header 32-bit aligned
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Authored by imp on Dec 20 2023, 8:47 PM.
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rG9e6d11ce9a51: vtnet: Adjust rx buffer so IP header 32-bit aligned
Summary

Call madj(m, ETHER_ALIGN) to offset rx buffers when allocating them.
This improves performance everywhere, and allows armv7 to work at all.

PR: 271288
Sponsored by: Netflix

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rG FreeBSD src repository
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Event Timeline

imp requested review of this revision.Dec 20 2023, 8:47 PM
imp created this revision.
Harbormaster completed remote builds in B55051: Diff 131616.Dec 20 2023, 8:47 PM
This revision was not accepted when it landed; it landed in state Needs Review.Dec 21 2023, 4:21 AM
Closed by commit rG9e6d11ce9a51: vtnet: Adjust rx buffer so IP header 32-bit aligned (authored by imp). · Explain Why
This revision was automatically updated to reflect the committed changes.
imp added a commit: rG9e6d11ce9a51: vtnet: Adjust rx buffer so IP header 32-bit aligned.
imp added a reverting change: rG23699ff23c36: Revert "vtnet: Adjust rx buffer so IP header 32-bit aligned".Dec 28 2023, 5:25 PM

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sys/
dev/
virtio/
network/
2 lines

Diff 131635

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sys/dev/virtio/network/if_vtnet.c

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