OpenBSD Journal

Faster vlan(4) forwarding? - blog post by mpi@

Contributed by Peter N. M. Hansteen on from the ffwd all the vlans dept.

Hrvoje Popovski wrote in to alert us that Martin Pieuchot (mpi@) has written a new blog post entitled Faster vlan(4) forwarding?, which leads in with

Two years ago we observed that vlan(4) performances suffered from the locks added to the queueing API. At that time, the use of SRP was also pointed out as a possible responsible for the regression. Since dlg@ recently reworked if_enqueue() to allow pseudo-drivers to bypass the use of queues, and their associated locks, let's dive into vlan(4) performances again.

Read the whole thing here: Faster vlan(4) forwarding?

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