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Diffstat (limited to 'resources/test_data/softwire/map_utils.py')
-rw-r--r-- | resources/test_data/softwire/map_utils.py | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/resources/test_data/softwire/map_utils.py b/resources/test_data/softwire/map_utils.py deleted file mode 100644 index 58ef551d7a..0000000000 --- a/resources/test_data/softwire/map_utils.py +++ /dev/null @@ -1,53 +0,0 @@ -# Copyright (c) 2016 Cisco and/or its affiliates. -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at: -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -"""Utils for MAP feature.""" - - -def map_port_ranges(psid, length, offset=6): - """Return list of port ranges for given PSID in tuple <min, max>. - - :param psid: PSID. - :param length: PSID length. - :param offset: PSID offset. - :type psid: int - :type length: int - :type offset: int - :return: List of (min, max) port range tuples inclusive. - :rtype: list - - 0 1 - 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 - +-----------+-----------+-------+ - Ports in | A | PSID | j | - the CE port set | > 0 | | | - +-----------+-----------+-------+ - | a bits | k bits |m bits | - """ - - port_field_len = 16 - port_field_min = int('0x0000', 16) - port_field_max = int('0xffff', 16) - - a = offset - k = length - m = port_field_len - offset - length - km = k + m - j_max = port_field_max >> a + k - - port_ranges = [] - for A in range(1, (port_field_max >> km) + 1): - port_ranges.append((((A << k) | psid) << m, - ((A << k) | psid) << m | j_max)) - - return port_ranges |