xsk: simplified umem setup

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As suggested by Daniel Borkmann, the umem setup code was a too
defensive and complex. Here, we reduce the number of checks. Also, the
memory pinning is now folded into the umem creation, and we do correct
locking.

Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

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Björn Töpel 2018-05-22 09:35:02 +02:00 • committed by Daniel Borkmann

parent 37b076933a

commit a49049ea25

3 changed files with 51 additions and 55 deletions

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79

net/xdp/xdp_umem.c

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3

net/xdp/xdp_umem.h

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26

net/xdp/xsk.c

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