Factor out MBUF hashing code for Ethernet and TCP/IP.

[• hselasky]

Summary

Factor out mbuf hashing code instead of copying it around.

[• hselasky]

Add full patch context.

[• hselasky]

Factor out more code.

[• hselasky]

Remove patches not belonging to this issue.

[• hselasky]

Update patch to latest FreeBSD-11 code and fix some build issues.

[• hselasky]

Get the directory layout correct.

[• hselasky]

Build fix.

[ae]

It looks like adrian@ already has added number of constants to define hash types in mbuf.h. And there are a lot of room to define other types. Are you sure that it is necessary to add also mask for them?

sys/kern/uipc_mbufhash.c

54–55

Missing an empty line.

99

"When declaring variables in functions declare them sorted by size, then in alphabetical order; multiple ones per line are okay." (c) style(9) :)

[• hselasky]

Address comments from ae @

[• hselasky]

style(9) compliancy

[• hselasky]

This patch also adds hashing of "ip6_flow" under MBUF_HASHFLAG_L4, which I consider to be a shortcut for hashing the source and destination ports.

[• hselasky]

Ping: Anyone planning to give this patch a go or no-go in the near future?

[• hselasky]

It looks like adrian@ already has added number of constants to define hash types in mbuf.h. And
there are a lot of room to define other types. Are you sure that it is necessary to add also mask for
them?

The hash flags added don't have anything to do with the hash types.

I don't need to add a hash mask.

--HPS

[• hselasky]

Remove hash mask. Add missing locking in if_lagg.

[• hselasky]

Committed to FreeBSD-head in r279891.