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Refactored nicira extended actions

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This commit is contained in:
Eishun Kondoh 2019-03-18 13:31:36 +09:00
parent efd08cf6dd
commit ffcba91395
51 changed files with 1015 additions and 819 deletions
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45
lib/openflow/actions/nx_output_reg2.ex
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@ -12,27 +12,38 @@ defmodule Openflow.Action.NxOutputReg2 do
@nxast 32
alias __MODULE__
alias Openflow.Action.Experimenter
def new(options) do
src_field = Keyword.get(options, :src_field)
def new(options \\ []) do
src_field = options[:src_field] || raise "src_field must be specified"
default_n_bits = Openflow.Match.Field.n_bits_of(src_field)
n_bits = Keyword.get(options, :n_bits, default_n_bits)
ofs = Keyword.get(options, :offset, 0)
max_len = Keyword.get(options, :max_len, :no_buffer)
%NxOutputReg2{n_bits: n_bits, offset: ofs, src_field: src_field, max_len: max_len}
%NxOutputReg2{
n_bits: options[:n_bits] || default_n_bits,
offset: options[:offset] || 0,
src_field: src_field,
max_len: options[:max_len] || :no_buffer
}
end
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
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)
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)>>
def to_binary(%NxOutputReg2{} = output_reg) do
src_field_bin = Openflow.Match.codec_header(output_reg.src_field)
ofs_nbits = output_reg.offset <<< 6 ||| output_reg.n_bits - 1
max_len = Openflow.Utils.get_enum(output_reg.max_len, :controller_max_len)
padding =
src_field_bin
|> byte_size()
|> Openflow.Utils.padding(10)
Experimenter.pack_exp_header(<<
@experimenter::32,
@nxast::16,
ofs_nbits::16,
max_len::16,
src_field_bin::bytes,
0::size(padding)-unit(8)
>>)
end
def read(<<@experimenter::32, @nxast::16, body::bytes>>) do