diff options
Diffstat (limited to 'meta-facebook/meta-wedge/recipes-wedge/fbutils/files/bcm5396_util.py')
| -rw-r--r-- | meta-facebook/meta-wedge/recipes-wedge/fbutils/files/bcm5396_util.py | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/meta-facebook/meta-wedge/recipes-wedge/fbutils/files/bcm5396_util.py b/meta-facebook/meta-wedge/recipes-wedge/fbutils/files/bcm5396_util.py new file mode 100644 index 0000000..1496412 --- /dev/null +++ b/meta-facebook/meta-wedge/recipes-wedge/fbutils/files/bcm5396_util.py @@ -0,0 +1,260 @@ +#!/usr/bin/python +# Copyright 2004-present Facebook. All rights reserved. +# +# This program file is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by the +# Free Software Foundation; version 2 of the License. +# +# This program is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +# for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program in a file named COPYING; if not, write to the +# Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, +# Boston, MA 02110-1301 USA +# + +from argparse import ArgumentParser +from bcm5396 import Bcm5396 + +def auto_long(x): + return long(x, 0) + +def auto_int(x): + return int(x, 0) + +def get_bcm(args): + if args.spi: + return Bcm5396(Bcm5396.SPI_ACCESS, cs=args.cs, clk=args.clk, + mosi=args.mosi, miso=args.miso) + else: + return Bcm5396(Bcm5396.MDIO_ACCESS, mdc=args.mdc, mdio=args.mdio) + + +def read_register(args): + bcm = get_bcm(args) + val = bcm.read(args.page, args.register, args.size) + print('Read from BCM5396 ({}:{}.{}): {}' + .format(hex(args.page), hex(args.register), args.size, hex(val))) + +def write_register(args): + bcm = get_bcm(args) + val = bcm.write(args.page, args.register, args.value, args.size) + print('Write to BCM5396 ({}.{}): {}' + .format(hex(args.page), hex(args.register), hex(args.value))) + +def register_parser(subparser): + reg_parser = subparser.add_parser('register', help='Register IO') + reg_sub = reg_parser.add_subparsers() + + read_parser = reg_sub.add_parser('read', help='read switch register') + read_parser.set_defaults(func=read_register) + read_parser.add_argument('page', type=auto_int, + help='The page of the register') + read_parser.add_argument('register', type=auto_int, + help='The register to read from') + read_parser.add_argument('size', type=auto_int, + help='Number of bytes', + choices=range(1, 9)) + + write_parser = reg_sub.add_parser('write', help='write switch register') + write_parser.set_defaults(func=write_register) + write_parser.add_argument('page', type=auto_int, + help='The page oof the register') + write_parser.add_argument('register', type=auto_int, + help='The register to write to') + write_parser.add_argument('value', type=auto_long, + help='The value to write') + write_parser.add_argument('size', type=auto_int, + help='Number of bytes', + choices=range(1, 9)) + + +def dump_arl(args): + bcm = get_bcm(args) + arls = bcm.get_all_arls() + print('All ARLs are:') + for entry in arls: + print(entry) + +def arl_parser(subparser): + dump_parser = subparser.add_parser('arl', help='dump all ARL entries') + dump_parser.set_defaults(func=dump_arl) + + +def __parse_port_list(parm): + '''Parse the port numbers to a list''' + if len(parm) == 0: + return [] + ports=[] + for port in parm.split(','): + idx = port.find('-') + if idx == -1: + p = int(port) + if p < 0 or p > 15: + raise Exception('Invalid port number %s' % p) + # just one port + ports.append(p) + else: + start = int(port[:idx]) + end = int(port[idx+1:]) + if start > end or start < 0 or end > 15: + raise Exception('Invalid port range %s-%s' % (start, end)) + ports.extend(range(start, end + 1)) + return ports + +def enable_vlan(args): + bcm = get_bcm(args) + bcm.vlan_ctrl(True) + print('VLAN function is enabled.') + +def disable_vlan(args): + bcm = get_bcm(args) + bcm.vlan_ctrl(False) + print('VLAN function is disabled.') + +def add_vlan(args): + bcm = get_bcm(args) + vid = args.vid + fwd = sorted(__parse_port_list(args.fwd)) + untag = sorted(__parse_port_list(args.untag)) + spt = args.spt + # make sure untag is subset of fwd + if not set(untag).issubset(set(fwd)): + raise Exception('Some untagged ports, %s, are not part of forward ports' + % (set(untag) - set(fwd))) + bcm.add_vlan(vid, untag, fwd, spt) + print('Added VLAN: %s' % vid) + print('Ports in VLAN: %s' % sorted(fwd)) + print('Ports without VLAN tag: %s' % sorted(untag)) + +def remove_vlan(args): + bcm = get_bcm(args) + vid = args.vid + bcm.remove_vlan(vid) + print('Removed VLAN: %s' % vid) + +def show_vlan(args): + bcm = get_bcm(args) + vid = args.vid + vlan = bcm.get_vlan(vid) + if not vlan['valid']: + print('VLAN %s does not exist' % vid) + else: + print('VLAN: %s' % vid) + print('Spanning tree index: %s' % vlan['spt']) + print('Ports in VLAN: %s' % sorted(vlan['fwd'])) + print('Untagged ports in VLAN: %s' % sorted(vlan['untag'])) + +def set_port_vlan(args): + bcm = get_bcm(args) + bcm.vlan_set_port_default(args.port, args.vid, args.pri) + print('Set VLAN default for port: %s' % args.port) + print('Default VLAN: %s' % args.vid) + print('Default priority %s' % args.pri) + +def get_port_vlan(args): + bcm = get_bcm(args) + port = bcm.vlan_get_port_default(args.port) + print('Get VLAN default for port: %s' % args.port) + print('Default VLAN: %s' % port['vid']) + print('Default priority: %s' % port['priority']) + +def vlan_parser(subparser): + UNTAG_DEFAULT = '' + SPT_DEFAULT = 0 + PRI_DEFAULT = 0 + + vlan_parser = subparser.add_parser('vlan', help='Manage vlan function') + vlan_sub = vlan_parser.add_subparsers() + + add_parser = vlan_sub.add_parser('add', help='Add or modify a VLAN entry') + add_parser.add_argument('vid', type=int, help='The VLAN ID') + add_parser.add_argument('fwd', type=str, + help='Ports belonging to this VLAN. i.e. 1,4,5-8') + add_parser.add_argument('untag', type=str, default=UNTAG_DEFAULT, nargs='?', + help='Ports that do not add VLAN tag. i.e. 1,4,5-8' + ' (default: all ports are tagged)') + add_parser.add_argument('spt', type=int, default=SPT_DEFAULT, nargs='?', + help='Spanning tree index (default: %s)' + % SPT_DEFAULT) + add_parser.set_defaults(func=add_vlan) + + remove_parser = vlan_sub.add_parser('remove', help='Remove a VLAN entry') + remove_parser.add_argument('vid', type=int, help='The VLAN ID') + remove_parser.set_defaults(func=remove_vlan) + + show_parser = vlan_sub.add_parser('show', help='Show a VLAN entry') + show_parser.add_argument('vid', type=int, help='The VLAN ID') + show_parser.set_defaults(func=show_vlan) + + enable_parser = vlan_sub.add_parser('enable', help='Enable VLAN function') + enable_parser.set_defaults(func=enable_vlan) + + disable_parser = vlan_sub.add_parser('disable', help='Enable VLAN function') + disable_parser.set_defaults(func=disable_vlan) + + port_parser = vlan_sub.add_parser('port', + help='Set/Get VLAN default for a port') + port_sub = port_parser.add_subparsers() + set_port = port_sub.add_parser('set', help='Set VLAN default for a port') + set_port.add_argument('port', type=int, help='The port number (0..16)') + set_port.add_argument('vid', type=int, + help='The default VLAN for this port') + set_port.add_argument('pri', type=int, default=PRI_DEFAULT, nargs='?', + help='The default priority for this port ' + '(default: %s)' % PRI_DEFAULT) + set_port.set_defaults(func=set_port_vlan) + + get_port = port_sub.add_parser('get', help='Get VLAN default for a port') + get_port.add_argument('port', type=int, help='The port number (0..16)') + get_port.set_defaults(func=get_port_vlan) + +def access_parser(ap): + SPI_CS_DEFAULT = 68 + SPI_CLK_DEFAULT = 69 + SPI_MOSI_DEFAULT = 70 + SPI_MISO_DEFAULT = 71 + + MDIO_MDC_DEFAULT = 6 + MDIO_MDIO_DEFAULT = 7 + + spi_group = ap.add_argument_group('SPI Access') + spi_group.add_argument('--spi', action='store_true', + help='Access through SPI.') + spi_group.add_argument('--cs', type=int, default=SPI_CS_DEFAULT, + help='The GPIO number for SPI CS pin (default: %s)' + % SPI_CS_DEFAULT) + spi_group.add_argument('--clk', type=int, default=SPI_CLK_DEFAULT, + help='The GPIO number for SPI CLK pin (default: %s)' + % SPI_CLK_DEFAULT) + spi_group.add_argument('--mosi', type=int, default=SPI_MOSI_DEFAULT, + help='The GPIO number for SPI MOSI pin (default: %s)' + % SPI_MOSI_DEFAULT) + spi_group.add_argument('--miso', type=int, default=SPI_MISO_DEFAULT, + help='The GPIO number for SPI MISO pin (default: %s)' + % SPI_MISO_DEFAULT) + mdio_group = ap.add_argument_group('MDIO Access (default)') + mdio_group.add_argument('--mdc', type=int, default=MDIO_MDC_DEFAULT, + help='The GPIO number for MDC pin (default: %s)' + % MDIO_MDC_DEFAULT) + mdio_group.add_argument('--mdio', type=int, default=MDIO_MDIO_DEFAULT, + help='The GPIO number for MDIO pin (default: %s)' + % MDIO_MDIO_DEFAULT) + return ap + + +if __name__ == '__main__': + ap = ArgumentParser() + access_parser(ap) + + subparsers = ap.add_subparsers() + register_parser(subparsers) + arl_parser(subparsers) + vlan_parser(subparsers) + args = ap.parse_args() + + args.func(args) |
