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path: root/src/conf_mode/interfaces-ethernet.py
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Diffstat (limited to 'src/conf_mode/interfaces-ethernet.py')
-rwxr-xr-xsrc/conf_mode/interfaces-ethernet.py50
1 files changed, 31 insertions, 19 deletions
diff --git a/src/conf_mode/interfaces-ethernet.py b/src/conf_mode/interfaces-ethernet.py
index 349b0e7a3..de851262b 100755
--- a/src/conf_mode/interfaces-ethernet.py
+++ b/src/conf_mode/interfaces-ethernet.py
@@ -62,12 +62,6 @@ def verify(ethernet):
ifname = ethernet['ifname']
verify_interface_exists(ifname)
-
- # No need to check speed and duplex keys as both have default values.
- if ((ethernet['speed'] == 'auto' and ethernet['duplex'] != 'auto') or
- (ethernet['speed'] != 'auto' and ethernet['duplex'] == 'auto')):
- raise ConfigError('Speed/Duplex missmatch. Must be both auto or manually configured')
-
verify_mtu(ethernet)
verify_mtu_ipv6(ethernet)
verify_dhcpv6(ethernet)
@@ -76,25 +70,31 @@ def verify(ethernet):
verify_eapol(ethernet)
verify_mirror(ethernet)
- # verify offloading capabilities
- if dict_search('offload.rps', ethernet) != None:
- if not os.path.exists(f'/sys/class/net/{ifname}/queues/rx-0/rps_cpus'):
- raise ConfigError('Interface does not suport RPS!')
+ ethtool = Ethtool(ifname)
+ # No need to check speed and duplex keys as both have default values.
+ if ((ethernet['speed'] == 'auto' and ethernet['duplex'] != 'auto') or
+ (ethernet['speed'] != 'auto' and ethernet['duplex'] == 'auto')):
+ raise ConfigError('Speed/Duplex missmatch. Must be both auto or manually configured')
- driver = EthernetIf(ifname).get_driver_name()
- # T3342 - Xen driver requires special treatment
- if driver == 'vif':
- if int(ethernet['mtu']) > 1500 and dict_search('offload.sg', ethernet) == None:
- raise ConfigError('Xen netback drivers requires scatter-gatter offloading '\
- 'for MTU size larger then 1500 bytes')
+ if ethernet['speed'] != 'auto' and ethernet['duplex'] != 'auto':
+ # We need to verify if the requested speed and duplex setting is
+ # supported by the underlaying NIC.
+ speed = ethernet['speed']
+ duplex = ethernet['duplex']
+ if not ethtool.check_speed_duplex(speed, duplex):
+ raise ConfigError(f'Adapter does not support changing speed and duplex '\
+ f'settings to: {speed}/{duplex}!')
+
+ if 'disable_flow_control' in ethernet:
+ if not ethtool.check_flow_control():
+ raise ConfigError('Adapter does not support changing flow-control settings!')
- ethtool = Ethtool(ifname)
if 'ring_buffer' in ethernet:
- max_rx = ethtool.get_rx_buffer()
+ max_rx = ethtool.get_ring_buffer_max('rx')
if not max_rx:
raise ConfigError('Driver does not support RX ring-buffer configuration!')
- max_tx = ethtool.get_tx_buffer()
+ max_tx = ethtool.get_ring_buffer_max('tx')
if not max_tx:
raise ConfigError('Driver does not support TX ring-buffer configuration!')
@@ -108,6 +108,18 @@ def verify(ethernet):
raise ConfigError(f'Driver only supports a maximum TX ring-buffer '\
f'size of "{max_tx}" bytes!')
+ # verify offloading capabilities
+ if dict_search('offload.rps', ethernet) != None:
+ if not os.path.exists(f'/sys/class/net/{ifname}/queues/rx-0/rps_cpus'):
+ raise ConfigError('Interface does not suport RPS!')
+
+ driver = ethtool.get_driver_name()
+ # T3342 - Xen driver requires special treatment
+ if driver == 'vif':
+ if int(ethernet['mtu']) > 1500 and dict_search('offload.sg', ethernet) == None:
+ raise ConfigError('Xen netback drivers requires scatter-gatter offloading '\
+ 'for MTU size larger then 1500 bytes')
+
if {'is_bond_member', 'mac'} <= set(ethernet):
print(f'WARNING: changing mac address "{mac}" will be ignored as "{ifname}" '
f'is a member of bond "{is_bond_member}"'.format(**ethernet))