2014-12-12 12:15, Ouyang Changchun: > The following commit break vm2vm hard mode test cases: > commit db4014f2b65cb31bf209cadd5bcec778ca137fe2 > Author: Huawei Xie <huawei.xie at intel.com> > Date: Thu Nov 13 06:34:07 2014 +0800 > examples/vhost: use factorized default Rx/Tx configuration > > Investigation show that it needs enabling vlan offload since it is turn off > by default, > and Tx need it, especially when vm2vm is in hard mode.
I missed something here. Where VLAN offload is disabled by default? Could you point the code, please? > --- a/examples/vhost/main.c > +++ b/examples/vhost/main.c > @@ -390,6 +390,9 @@ port_init(uint8_t port) > txconf = &dev_info.default_txconf; > rxconf->rx_drop_en = 1; > > + /* Enable vlan offload */ > + txconf->txq_flags &= ~ETH_TXQ_FLAGS_NOVLANOFFL; > + > /* > * Zero copy defers queue RX/TX start to the time when guest > * finishes its startup and packet buffers from that guest are >