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| author | Jiong Wang | 2018-05-18 21:12:10 +0200 |
|---|---|---|
| committer | Daniel Borkmann | 2018-05-18 21:35:55 +0200 |
| commit | f43d0f17fe9a4bb770ab38b36e2b5150d8c3d6cf (patch) | |
| tree | 8181906f9bec541e5f0bfe8a35edf4e215f272f4 /drivers/net/ethernet/netronome/nfp/nfp_asm.h | |
| parent | nfp: bpf: support logic indirect shifts (BPF_[L|R]SH | BPF_X) (diff) | |
| download | kernel-qcow2-linux-f43d0f17fe9a4bb770ab38b36e2b5150d8c3d6cf.tar.gz kernel-qcow2-linux-f43d0f17fe9a4bb770ab38b36e2b5150d8c3d6cf.tar.xz kernel-qcow2-linux-f43d0f17fe9a4bb770ab38b36e2b5150d8c3d6cf.zip | |
nfp: bpf: support arithmetic right shift by constant (BPF_ARSH | BPF_K)
Code logic is similar with logic right shift except we also need to set
PREV_ALU result properly, the MSB of which is the bit that will be
replicated to fill in all the vacant positions.
Signed-off-by: Jiong Wang <jiong.wang@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/nfp_asm.h')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfp_asm.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_asm.h b/drivers/net/ethernet/netronome/nfp/nfp_asm.h index fa826bd9c668..f6677bc9875a 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_asm.h +++ b/drivers/net/ethernet/netronome/nfp/nfp_asm.h @@ -174,6 +174,7 @@ enum shf_op { SHF_OP_NONE = 0, SHF_OP_AND = 2, SHF_OP_OR = 5, + SHF_OP_ASHR = 6, }; enum shf_sc { |