[Cake] [Cerowrt-devel] Fwd: [RFC net-next] net: extend netdev features

[Toke Høiland-Jørgensen]

Dave Taht <dave.taht at gmail.com> writes:

> One thing somewhat related to this was finally expanding the space
> available for the tc and iptables functionality for
> things like hashing and actions etc from 16 bits to 32. That is
> something of a fork lift upgrade, but... 64k queues is not
> enough in some cases, nor is 64k possible users in libreqos. thoughts

skb->hash is 32 bits already. There is hardware out there that does
64-bit hashing, promising to hash packets in a way that basically
guarantees the hash to be a globally unique flow identifier. Supporting
*that* in the kernel would need some work, though... :)

-Toke