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| author | Stefano Brivio <sbrivio@redhat.com> | 2025-11-03 11:16:11 +0100 |
|---|---|---|
| committer | Stefano Brivio <sbrivio@redhat.com> | 2025-12-08 04:47:22 +0100 |
| commit | 68b0a36d6a40aece53df9d2a0a89addd07eda515 (patch) | |
| tree | 6d581684967a8077c7a9c8e684ea31cd9e762e0b /test/lib | |
| parent | b9cd36fa1f306ed2a1cc5c1a0c38ce05202afaaa (diff) | |
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tcp, udp: Pad batched frames to 60 bytes (802.3 minimum) in non-vhost-user modes
Add a further iovec frame part, TCP_IOV_ETH_PAD for TCP and
UDP_IOV_ETH_PAD for UDP, after the payload, make that point to a
zero-filled buffer, and send out a part of it if needed to reach
the minimum frame length given by 802.3, that is, 60 bytes altogether.
The frames we might need to pad are IPv4 only (the IPv6 header is
larger), and are typically TCP ACK segments but can also be small
data segments or datagrams.
Link: https://bugs.passt.top/show_bug.cgi?id=166
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'test/lib')
0 files changed, 0 insertions, 0 deletions