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| author | Stefano Brivio <sbrivio@redhat.com> | 2021-04-30 14:52:18 +0200 |
|---|---|---|
| committer | Stefano Brivio <sbrivio@redhat.com> | 2021-04-30 14:52:18 +0200 |
| commit | e07f539ae0aa3ad623c4e8afcaca26906fd1eb17 (patch) | |
| tree | 869fc954471b65f6659ca87d9068fd9143e87674 /README.md | |
| parent | 605af213c5e0fa047f6d8caef5bcef61a0987c8d (diff) | |
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udp, passt: Introduce socket packet buffer, avoid getsockname() for UDP
This is in preparation for scatter-gather IO on the UDP receive path:
save a getsockname() syscall by setting a flag if we get the numbering
of all bound sockets in a strict sequence (expected, in practice) and
repurpose the tap buffer to be also a socket receive buffer, passing
it down to protocol handlers.
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
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