nfp: bpf: don't allow changing MTU above BPF offload limit when active

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When BPF offload is active we need may need to restrict the MTU
changes more than just to the limitation of the kernel XDP datapath.
Allow the BPF code to veto a MTU change.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

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Jakub Kicinski 2018-01-10 12:25:57 +00:00 • committed by Daniel Borkmann

parent c4f7730be5

commit ccbdc596f4

4 changed files with 46 additions and 0 deletions

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20

drivers/net/ethernet/netronome/nfp/bpf/main.c

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13

drivers/net/ethernet/netronome/nfp/nfp_app.h

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5

drivers/net/ethernet/netronome/nfp/nfp_net_common.c

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8

drivers/net/ethernet/netronome/nfp/nfp_net_repr.c

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