[dts] [PATCH] nics atwood: add nic module for atwoodChannel

[Yong Liu]

Atwood belong to the family of fm10k. It has 2 * 25G ports and only one
PEP attached.

Like RRC, atwood vlan/jumboframe setting should from testpoint.

Signed-off-by: Marvin Liu <yong.liu at intel.com>

diff --git a/nics/atwood.py b/nics/atwood.py
new file mode 100644
index 0000000..2b92d59
--- /dev/null
+++ b/nics/atwood.py
@@ -0,0 +1,173 @@
+# BSD LICENSE
+#
+# Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+#   * Redistributions of source code must retain the above copyright
+#     notice, this list of conditions and the following disclaimer.
+#   * Redistributions in binary form must reproduce the above copyright
+#     notice, this list of conditions and the following disclaimer in
+#     the documentation and/or other materials provided with the
+#     distribution.
+#   * Neither the name of Intel Corporation nor the names of its
+#     contributors may be used to endorse or promote products derived
+#     from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+from crb import Crb
+from config import PortConf, PORTCONF
+from exception import PortConfigParseException
+from utils import GREEN
+from net_device import NetDevice
+from dts import drivername
+
+TP_BINARY = 'TestPoint'
+
+FUNC_RULES = [
+            # disable cut through for jumbo frame case
+            'set port config 1,2 tx_cut_through off',
+            # disable mac learning
+            'set port config 0..2 learning off',
+            #redirect PEP0 to EPL0
+            'create acl 0',
+            'create acl-rule 0 0',
+            'add acl-rule condition 0 0 src-port 0',
+            'add acl-rule action 0 0 redirect 1',
+            'add acl-rule action 0 0 count',
+            'apply acl',
+           ]
+
+PERF_RULES = [
+             'set port config 0..1 parser_cfg L4', # frame parser up to L4
+             # good for performance
+             'set api attribute boolean api.paritySweeper.enable false',
+             'reg dbg set 0 CM_SOFTDROP_WM 0x5f005f00 0 0',
+             'reg dbg set 0 CM_SHARED_WM 0x5f00 0 0',
+           ]
+
+class CtrlCrb(Crb):
+    """
+    Simplified Crb class for  RedRockCanyou control session
+    """
+
+    def __init__(self, crb):
+        self.crb = crb
+        self.NAME = 'dut_atwood_control'
+        super(CtrlCrb, self).__init__(crb, None, self.NAME)
+
+    def get_ip_address(self):
+        return self.crb['IP']
+
+    def get_password(self):
+        return self.crb['pass']
+
+
+class Atwood(NetDevice):
+    """
+    Class for RedRockCanyou, inherit from NetDevice class
+    """
+
+    def __init__(self, host, bus_id, devfun_id):
+        super(Atwood, self).__init__(host, bus_id, devfun_id)
+        self.tp_path = "~"
+        self.host = host
+
+        # load port config
+        portconf = PortConf(PORTCONF)
+        portconf.load_ports_config(host.crb['IP'])
+        pci_addr = ':'.join((bus_id, devfun_id))
+        if not portconf.check_port_available(pci_addr):
+            raise PortConfigParseException("Atwood must configured")
+
+        port_cfg = portconf.get_ports_config()[pci_addr]
+
+        if 'tp_ip' not in port_cfg.keys():
+            raise PortConfigParseException("Atwood must configure test point ip")
+        if 'passwd' not in port_cfg.keys():
+            raise PortConfigParseException("Atwood must configure host password")
+
+        crb = {}
+        crb['IP'] = port_cfg['tp_ip']
+        crb['pass'] = port_cfg['passwd']
+
+        if 'tp_path' in port_cfg.keys():
+            self.tp_path = port_cfg['tp_path']
+
+        # create addtional session
+        self.ctrl_crb = CtrlCrb(crb)
+
+    def setup(self):
+        # setup function should be called after bind to igb_uio
+        self.bind_driver(driver=drivername)
+        self.start_testpoint()
+
+    def optimize_perf(self, peer=""):
+        pass
+
+    def stop(self):
+        # stop testpoint
+        self.stop_testpoint()
+
+    def close(self):
+        # close session
+        if self.ctrl_crb.session:
+            self.ctrl_crb.session.close()
+            self.ctrl_crb.session = None
+        if self.ctrl_crb.alt_session:
+            self.ctrl_crb.alt_session.close()
+            self.ctrl_crb.alt_session = None
+
+    def start_testpoint(self):
+        """
+        Before any execution, must enable test point first
+        """
+        self.ctrl_crb.send_expect("cd %s" % self.tp_path, "# ")
+        if self.tp_path != "~":
+            command = './' + TP_BINARY
+        else:
+            command = TP_BINARY
+
+        self.ctrl_crb.send_expect("%s" % command, "<0>%", 120)
+        for rule in FUNC_RULES:
+            self.ctrl_crb.send_expect("%s" %rule, "<0>%")
+
+    def stop_testpoint(self):
+        """
+        Exit test point
+        """
+        self.ctrl_crb.send_expect("quit", "# ")
+
+    def get_control(self):
+        return self.ctrl_crb
+
+    def add_vlan(self, vlan_id=0):
+        self.ctrl_crb.send_expect("create vlan %d" % vlan_id, "<0>%")
+        self.ctrl_crb.send_expect("add vlan port %d 0,1" % vlan_id, "<0>%")
+    
+    def delete_vlan(self, vlan_id=0):
+        self.ctrl_crb.send_expect("del vlan port %d 0,1" % vlan_id, "<0>%")
+        self.ctrl_crb.send_expect("del vlan %d" % vlan_id, "<0>%")
+
+    def add_txvlan(self, vlan_id=0):
+        self.ctrl_crb.send_expect("set vlan tagging %d 1 tag" % vlan_id, "<0>%")
+
+    def delete_txvlan(self, vlan_id=0):
+        self.ctrl_crb.send_expect("set vlan tagging %d 1 untag" % vlan_id, "<0>%")
+
+    def enable_jumbo(self, framesize=0):
+        self.ctrl_crb.send_expect("set port config 1 max_frame_size %d" % framesize, "<0>%")
-- 
1.9.3