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| author | Christian Poessinger <christian@poessinger.com> | 2021-02-20 20:51:43 +0100 |
|---|---|---|
| committer | Christian Poessinger <christian@poessinger.com> | 2021-02-21 20:07:28 +0100 |
| commit | 20e500b8a4f62fe1f2603ba5daebad3ee49db39a (patch) | |
| tree | 60e5f1d6e7b362fc4548532325be622afa361317 /src/conf_mode/interfaces-ethernet.py | |
| parent | d14d2f30ef592db14777228cb9d8f592f9d87d98 (diff) | |
| download | vyos-1x-20e500b8a4f62fe1f2603ba5daebad3ee49db39a.tar.gz vyos-1x-20e500b8a4f62fe1f2603ba5daebad3ee49db39a.zip | |
ethernet: T3342: Xen vif driver requires sg offloading for MTU > 1500 bytes
(cherry picked from commit 3c64c79d7977869da3ca4dc70eb97ff9c6682e52)
Diffstat (limited to 'src/conf_mode/interfaces-ethernet.py')
| -rwxr-xr-x | src/conf_mode/interfaces-ethernet.py | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/conf_mode/interfaces-ethernet.py b/src/conf_mode/interfaces-ethernet.py index e92c16eb6..e82a3e0f1 100755 --- a/src/conf_mode/interfaces-ethernet.py +++ b/src/conf_mode/interfaces-ethernet.py @@ -77,10 +77,17 @@ def verify(ethernet): verify_mirror(ethernet) # verify offloading capabilities - if 'offload' in ethernet and 'rps' in ethernet['offload']: + 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 = 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') + ethtool = Ethtool(ifname) if 'ring_buffer' in ethernet: max_rx = ethtool.get_rx_buffer() |