def set_ieee_ets(self, _prio_tc, _tsa, _tc_bw):
willing = 0
ets_cap = 0
cbs = 0
tc_rx_bw = array.array('B', '\0' * 8)
tc_reco_bw = array.array('B', '\0' * 8)
tc_reco_tsa = array.array('B', '\0' * 8)
reco_prio_tc = array.array('B', '\0' * 8)
tc_tc_bw = array.array('B', '\0' * 8)
tc_tsa = array.array('B', '\0' * 8)
prio_tc = array.array('B', '\0' * 8)
for up in range(len(_prio_tc)):
prio_tc[up] = _prio_tc[up]
for tc in range(len(_tsa)):
tc_tsa[tc] = _tsa[tc]
for tc in range(len(_tc_bw)):
tc_tc_bw[tc] = _tc_bw[tc]
ets = struct.pack("BBB", willing, ets_cap, cbs) + (
tc_tc_bw + tc_rx_bw + tc_tsa + prio_tc + tc_reco_bw + tc_reco_tsa +
reco_prio_tc).tostring()
intf = NulStrAttr(DCB_ATTR_IFNAME, self.intf)
ieee_ets = StrAttr(DCB_ATTR_IEEE_ETS, ets)
ieee = Nested(DCB_ATTR_IEEE, [ieee_ets])
m = DcbNlMessage(type=RTM_GETDCB,
cmd=DCB_CMD_IEEE_SET,
flags=NLM_F_REQUEST,
attrs=[intf, ieee])
m.send(self.conn)
m = DcbNlMessage.recv(self.conn)
self.check_err(m, DCB_ATTR_IEEE)
def set_ieee_pfc(self, _pfc_en, _delay):
pfc_cap = 8
mbc = 0
requests = array.array('B', '\0' * 64)
indications = array.array('B', '\0' * 64)
#netlink packet is 64bit alignment
pads = array.array('B', '\0' * 3)
#delay is 16bit value
pfc = struct.pack(
"BBBBBB", pfc_cap, _pfc_en, mbc, 0, _delay & 0xFF,
_delay >> 8) + (requests + indications + pads).tostring()
intf = NulStrAttr(DCB_ATTR_IFNAME, self.intf)
ieee_pfc = StrAttr(DCB_ATTR_IEEE_PFC, pfc)
ieee = Nested(DCB_ATTR_IEEE, [ieee_pfc])
m = DcbNlMessage(type=RTM_GETDCB,
cmd=DCB_CMD_IEEE_SET,
flags=NLM_F_REQUEST,
attrs=[intf, ieee])
m.send(self.conn)
m = DcbNlMessage.recv(self.conn)
self.check_err(m, DCB_ATTR_IEEE)
def del_ieee_app(self, selector, priority, protocol):
dcb_app = struct.pack("BBH", selector, priority, protocol)
intf = NulStrAttr(DCB_ATTR_IFNAME, self.intf)
ieee_app = StrAttr(DCB_ATTR_IEEE_APP, dcb_app)
ieee_app_table = Nested(DCB_ATTR_IEEE_APP_TABLE, [ieee_app]);
ieee = Nested(DCB_ATTR_IEEE, [ieee_app_table]);
m = DcbNlMessage(type = RTM_GETDCB, cmd = DCB_CMD_IEEE_DEL,
flags=NLM_F_REQUEST, attrs=[intf, ieee])
m.send(self.conn)
m = DcbNlMessage.recv(self.conn)
self.check_err(m, DCB_ATTR_IEEE)
def set_dcb_buffer(self, _prio2buffer, _buffer_size): dcb_buffer = _prio2buffer.tostring() + _buffer_size.tostring() intf = NulStrAttr(DCB_ATTR_IFNAME, self.intf) dcb_buffer_str = StrAttr(DCB_ATTR_DCB_BUFFER, dcb_buffer) ieee = Nested(DCB_ATTR_IEEE, [dcb_buffer_str]); m = DcbNlMessage(type = RTM_GETDCB, cmd = DCB_CMD_IEEE_SET, flags=NLM_F_REQUEST, attrs=[intf, ieee]) m.send(self.conn) m = DcbNlMessage.recv(self.conn) self.check_err(m, DCB_ATTR_IEEE)
def set_ieee_qcn(self, _qcn): qcn = _qcn[0].tostring() + (_qcn[1] + _qcn[2] + _qcn[3] + _qcn[4] + _qcn[5] + _qcn[6] + _qcn[7] + _qcn[8] + _qcn[9] + _qcn[10] + _qcn[11]).tostring() intf = NulStrAttr(DCB_ATTR_IFNAME, self.intf) ieee_qcn = StrAttr(DCB_ATTR_IEEE_QCN, qcn) ieee = Nested(DCB_ATTR_IEEE, [ieee_qcn]); m = DcbNlMessage(type = RTM_GETDCB, cmd = DCB_CMD_IEEE_SET, flags=NLM_F_REQUEST, attrs=[intf, ieee]) m.send(self.conn) m = DcbNlMessage.recv(self.conn) self.check_err(m, DCB_ATTR_IEEE)
def set_ieee_maxrate(self, _tc_maxrate):
tc_maxrate = struct.pack("QQQQQQQQ",
_tc_maxrate[0],
_tc_maxrate[1],
_tc_maxrate[2],
_tc_maxrate[3],
_tc_maxrate[4],
_tc_maxrate[5],
_tc_maxrate[6],
_tc_maxrate[7],
)
intf = NulStrAttr(DCB_ATTR_IFNAME, self.intf)
ieee_maxrate = StrAttr(DCB_ATTR_IEEE_MAXRATE, tc_maxrate)
ieee = Nested(DCB_ATTR_IEEE, [ieee_maxrate]);
m = DcbNlMessage(type = RTM_GETDCB, cmd = DCB_CMD_IEEE_SET,
flags=NLM_F_REQUEST, attrs=[intf, ieee])
m.send(self.conn)
m = DcbNlMessage.recv(self.conn)
self.check_err(m, DCB_ATTR_IEEE)
