nfp: bpf: support [BPF_ALU | BPF_ALU64] | BPF_NEG

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This patch supports BPF_NEG under both BPF_ALU64 and BPF_ALU. LLVM recently
starts to generate it.

NOTE: BPF_NEG takes single operand which is an register and serve as both
input and output.

Signed-off-by: Jiong Wang <jiong.wang@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Jiong Wang 2017-11-01 10:38:25 -07:00 • committed by David S. Miller

parent 5d42ced195

commit 254ef4d746

1 changed files with 24 additions and 0 deletions

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

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