Update 201803 branch with masters of sonic-swss, sonic-sairedis, sonic-swss-common, and sonic-utilities (sonic-net#1791)

Author: pavel-shirshov

device/dell/x86_64-dell_s6100_c2538-r0/Force10-S6100/sai.profile.j2

@@ -11,3 +11,13 @@
 {%- endif %}
 {# Write the contents of sai_ profile_filename to sai.profile file #}
 {{ sai_profile_contents }}
+{# make linkscan interval time equal to 2.0 sec to make Fast-Reboot faster #}
+{%- if DEVICE_METADATA is defined and DEVICE_METADATA['localhost'] is defined and DEVICE_METADATA['localhost']['fast_reboot'] is defined -%}
+{%-     set fast_reboot = DEVICE_METADATA['localhost']['fast_reboot'] -%}
+{%-     if fast_reboot %}
+{%-         set sai_profile_contents = 'SAI_BCM_LINKSCAN_INTERVAL=2000000' -%}
+{%-     else %}
+{%-         set sai_profile_contents = '' -%}
+{%-     endif %}
+{{ sai_profile_contents }}
+{%- endif %}

dockers/docker-lldp-sv2/lldpmgrd

@@ -126,7 +126,7 @@ class LldpManager(object):
         TABLE_SEPARATOR = "|"
 
         # Retrieve all entires for this port from the Port table
-        port_table = swsscommon.Table(self.config_db, swsscommon.CFG_PORT_TABLE_NAME, TABLE_SEPARATOR)
+        port_table = swsscommon.Table(self.config_db, swsscommon.CFG_PORT_TABLE_NAME)
         (status, fvp) = port_table.get(port_name)
         if status:
             # Convert list of tuples to a dictionary
@@ -144,7 +144,7 @@ class LldpManager(object):
         lldpcli_cmd = "lldpcli configure ports {0} lldp portidsubtype local {1}".format(port_name, port_alias)
 
         # Retrieve all entires for this port from the Device Neighbor table
-        device_neighbor_table = swsscommon.Table(self.config_db, swsscommon.CFG_DEVICE_NEIGHBOR_TABLE_NAME, TABLE_SEPARATOR)
+        device_neighbor_table = swsscommon.Table(self.config_db, swsscommon.CFG_DEVICE_NEIGHBOR_TABLE_NAME)
         (status, fvp) = device_neighbor_table.get(port_name)
         if status:
             # Convert list of tuples to a dictionary
@@ -216,7 +216,7 @@ class LldpManager(object):
 
         # Listen indefinitely for changes to the PORT table in the State DB
         while True:
-            (state, c, fd) = sel.select(SELECT_TIMEOUT_MS)
+            (state, c) = sel.select(SELECT_TIMEOUT_MS)
 
             if state == swsscommon.Select.OBJECT:
                 (key, op, fvp) = sst.pop()

files/image_config/cron.d/s6100-fast-reboot

@@ -0,0 +1,2 @@
+# Change linkscan interval to 0.25 sec after 3 minutes after start on Dell S6100
+@reboot root sleep 180 && [ $(/usr/local/bin/sonic-cfggen -H -v DEVICE_METADATA.localhost.platform) = 'x86_64-dell_s6100_c2538-r0' ] && [ $(/usr/local/bin/sonic-cfggen -H -v DEVICE_METADATA.localhost.fast_reboot) = 'True' ] && /usr/bin/docker exec -i syncd bcmcmd 'linkscan i=250000' > /dev/null 2>&1

platform/broadcom/docker-syncd-brcm/start.sh

@@ -11,7 +11,7 @@ mkdir -p /etc/sai.d/
 
 # Create/Copy the sai.profile to /etc/sai.d/sai.profile
 if [ -f $HWSKU_DIR/sai.profile.j2 ]; then
-    sonic-cfggen -d -t $HWSKU_DIR/sai.profile.j2 > /etc/sai.d/sai.profile
+    sonic-cfggen -H -d -t $HWSKU_DIR/sai.profile.j2 > /etc/sai.d/sai.profile
 else
     if [ -f $HWSKU_DIR/sai.profile ]; then
         cp $HWSKU_DIR/sai.profile /etc/sai.d/sai.profile

src/sonic-config-engine/sonic-cfggen

@@ -31,6 +31,7 @@ from portconfig import get_port_config
 from sonic_platform import get_machine_info
 from sonic_platform import get_platform_info
 from sonic_platform import get_system_mac
+from sonic_platform import get_fast_reboot_status
 from swsssdk import ConfigDBConnector
 from collections import OrderedDict
 from natsort import natsorted
@@ -205,7 +206,8 @@ def main():
     if args.platform_info:
         hardware_data = {'DEVICE_METADATA': {'localhost': {
             'platform': platform,
-            'mac': get_system_mac()
+            'mac': get_system_mac(),
+            'fast_reboot': get_fast_reboot_status()
             }}}
         deep_update(data, hardware_data)
 

src/sonic-config-engine/sonic_platform.py

@@ -53,3 +53,6 @@ def get_system_mac():
         mac = mac[:-2] + aligned_last_byte
     return mac
 
+def get_fast_reboot_status():
+    with open('/proc/cmdline') as fp:
+        return 'fast-reboot' in fp.read()