On 11/19/19 3:18 PM, Ferruh Yigit wrote: > On 11/19/2019 9:03 AM, Andrew Rybchenko wrote: >> Bonding device should control bonded devices configuration. >> >> Also avoid usage of slave's data->dev_conf. >> >> Fixes: 2efb58cbab6e ("bond: new link bonding library") >> Cc: sta...@dpdk.org >> >> Signed-off-by: Andrew Rybchenko <arybche...@solarflare.com> >> --- >> drivers/net/bonding/rte_eth_bond_pmd.c | 24 ++++++++++++------------ >> 1 file changed, 12 insertions(+), 12 deletions(-) >> >> diff --git a/drivers/net/bonding/rte_eth_bond_pmd.c >> b/drivers/net/bonding/rte_eth_bond_pmd.c >> index 707a0f3cdd..4f0e83205d 100644 >> --- a/drivers/net/bonding/rte_eth_bond_pmd.c >> +++ b/drivers/net/bonding/rte_eth_bond_pmd.c >> @@ -1679,6 +1679,7 @@ int >> slave_configure(struct rte_eth_dev *bonded_eth_dev, >> struct rte_eth_dev *slave_eth_dev) >> { >> + struct rte_eth_conf dev_conf; >> struct bond_rx_queue *bd_rx_q; >> struct bond_tx_queue *bd_tx_q; >> uint16_t nb_rx_queues; >> @@ -1693,34 +1694,34 @@ slave_configure(struct rte_eth_dev *bonded_eth_dev, >> /* Stop slave */ >> rte_eth_dev_stop(slave_eth_dev->data->port_id); >> >> + memset(&dev_conf, 0, sizeof(dev_conf)); >> + >> /* Enable interrupts on slave device if supported */ >> if (slave_eth_dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC) >> - slave_eth_dev->data->dev_conf.intr_conf.lsc = 1; >> + dev_conf.intr_conf.lsc = 1; > I assume the original intention is making incremental changes to the existing > slave configuration, if so we should copy the 'slave_eth_dev->data->dev_conf' > to > 'dev_conf' before start updating it.
The problem is that I don't understand how incremental changes happen. It simply looks wrong or I don't understand something. It looks like it is the only place in bonding where slave configuration is done.