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Diff for /www/74.html between version 1.68 and 1.69

version 1.68, 2023/10/14 17:55:54

version 1.69, 2023/10/14 18:16:54

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<a href="https://man.openbsd.org/umb.4">umb(4)</a>.

<li>Add initial support for Atlantic 2 hardware in

<a href="https://man.openbsd.org/aq.4">aq(4)</a>.

<li>Use TSO offloading in ix(4). Enable forwarding of ix(4) LRO Packets via TSO.

</ul>

<li>IEEE 802.11 wireless stack improvements and bugfixes:

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when receiving a valid Neighbor Advertisement.

<li>Implement RFC9131 and create new neighbor cache entries

when receiving a valid Neighbor Advertisement.

<li>Implement TCP send offloading in software. Implement the TCP/IP

<li>If the driver of a network interface supports TCP segmentation

layer for hardware TCP segmentation offload. If the driver of a

offload (TSO), do not chop the packet in the network stack,

network interface claims to support TSO, do not chop the packet in

but pass it down to the interface layer for TSO.

software, but pass it down to the interface layer. Add sysctl(8) net.inet.tcp.tso.

<li>Provide a software TSO implementation, to be used as a fallback

<li>Do not calculate IP, TCP, UDP checksums on loopback

if network hardware does not support TSO.

(<a href="https://man.openbsd.org/lo.4">lo(4)</a>) interfaces.

<li>Provide a new <a href="https://man.openbsd.org/sysctl.2">sysctl(2)</a>

<li>Implement TCP send offloading, for now in software only. This is

node <a href="https://man.openbsd.org/sysctl.2#tcp.tso"

meant as a fallback if network hardware does not support TSO.

>net.inet.tcp.tso</a> such that TSO can be globally disabled.

<li>Use TSO (TCP Segmentation Offload) and LRO (Large Receive Offload) on

By default, it is enabled on all interfaces supporting it.

the loopback interface to transfer TCP faster,

<li>In <a href="https://man.openbsd.org/ifconfig.8">ifconfig(8)</a>,

<li>Fix path MTU discovery for TCP LRO/TSO when forwarding.

display separate

when <code>tcplro</code> is activated on lo(4).

<a href="https://man.openbsd.org/ifconfig.8#hwfeatures">hwfeatures</a>

for TCP segmentation offload (TSOv4, TSOv6)

and TCP large receive offload (LRO) and provide a

<a href="https://man.openbsd.org/ifconfig.8#tcplro">-tcplro</a>

parameter to disable LRO.

<li>Enable TSO and forwarding of LRO packets via TSO in

<a href="https://man.openbsd.org/ix.4">ix(4)</a>.

<li>Speed up TCP transfer on

interfaces by using TSO and LRO.

<li>Do not calculate IP, TCP, and UDP checksums on

<a href="https://man.openbsd.org/lo.4">lo(4)</a> interfaces.

<li>Speed up the

<a href="https://man.openbsd.org/ioctl.2">ioctl(2)</a> request

<a href="https://man.openbsd.org/pf.4#DIOCGETRULE">DIOCGETRULE</a>

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more resilient when some servers are

misbehaving: keep trying LDAP servers until we get full results from

one, rather than just until one accepts the TCP connection.