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This commit is contained in:
Eishun Kondoh 2018-01-30 22:47:31 +09:00
parent 5fc01a9bec
commit 7635272fbd
150 changed files with 5055 additions and 4032 deletions
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23
lib/openflow/actions/nx_output_reg2.ex
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@ -2,10 +2,10 @@ defmodule Openflow.Action.NxOutputReg2 do
import Bitwise
defstruct(
n_bits: 0,
offset: 0,
src_field: nil,
max_len: :no_buffer
n_bits: 0,
offset: 0,
src_field: nil,
max_len: :no_buffer
)
@experimenter 0x00002320
@ -24,28 +24,31 @@ defmodule Openflow.Action.NxOutputReg2 do
def to_binary(%NxOutputReg2{n_bits: n_bits, offset: ofs, src_field: src_field, max_len: max_len}) do
src_field_bin = Openflow.Match.codec_header(src_field)
ofs_nbits = (ofs <<< 6) ||| (n_bits - 1)
ofs_nbits = ofs <<< 6 ||| n_bits - 1
max_len = Openflow.Utils.get_enum(max_len, :controller_max_len)
padding = Openflow.Utils.padding(byte_size(src_field_bin), 10)
body = <<ofs_nbits::16, max_len::16, src_field_bin::bytes, 0::size(padding)-unit(8)>>
exp_body = <<@experimenter::32, @nxast::16, body::bytes>>
exp_body_size = byte_size(exp_body)
exp_body_size = byte_size(exp_body)
padding_length = Openflow.Utils.padding(4 + exp_body_size, 8)
length = 4 + exp_body_size + padding_length
<<0xffff::16, length::16, exp_body::bytes, 0::size(padding_length)-unit(8)>>
<<0xFFFF::16, length::16, exp_body::bytes, 0::size(padding_length)-unit(8)>>
end
def read(<<@experimenter::32, @nxast::16, body::bytes>>) do
<<ofs::10, n_bits::6, max_len::16, oxm_header::4-bytes, rest::bitstring>> = body
exp_size = match_header_size(oxm_header) - 4
<<experimenter_int::size(exp_size)-unit(8), _padding::bytes>> = rest
src_field = Openflow.Match.codec_header(<<oxm_header::bytes, experimenter_int::size(exp_size)-unit(8)>>)
src_field =
Openflow.Match.codec_header(<<oxm_header::bytes, experimenter_int::size(exp_size)-unit(8)>>)
max_len = Openflow.Utils.get_enum(max_len, :controller_max_len)
%NxOutputReg2{n_bits: n_bits + 1, offset: ofs, src_field: src_field, max_len: max_len}
end
# private functions
defp match_header_size(<<0xffff::16, _::bytes>>), do: 8
defp match_header_size(<<_::16, _::bytes>>), do: 4
defp match_header_size(<<0xFFFF::16, _::bytes>>), do: 8
defp match_header_size(<<_::16, _::bytes>>), do: 4
end