> -----Original Message----- > From: Zhang, Qi Z > Sent: Friday, May 11, 2018 10:24 AM > To: Ananyev, Konstantin <konstantin.anan...@intel.com>; Wu, Yanglong > <yanglong...@intel.com>; dev@dpdk.org > Cc: Lu, Wenzhuo <wenzhuo...@intel.com>; Wu, Yanglong <yanglong...@intel.com> > Subject: RE: [dpdk-dev] [PATCH] ethdev: fix checking Rx/Tx queue status > > > > > -----Original Message----- > > From: Ananyev, Konstantin > > Sent: Friday, May 11, 2018 4:39 PM > > To: Wu, Yanglong <yanglong...@intel.com>; dev@dpdk.org > > Cc: Zhang, Qi Z <qi.z.zh...@intel.com>; Lu, Wenzhuo > > <wenzhuo...@intel.com>; Wu, Yanglong <yanglong...@intel.com> > > Subject: RE: [dpdk-dev] [PATCH] ethdev: fix checking Rx/Tx queue status > > > > > > > > > -----Original Message----- > > > From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of Yanglong Wu > > > Sent: Friday, May 11, 2018 9:22 AM > > > To: dev@dpdk.org > > > Cc: Zhang, Qi Z <qi.z.zh...@intel.com>; Lu, Wenzhuo > > > <wenzhuo...@intel.com>; Wu, Yanglong <yanglong...@intel.com> > > > Subject: [dpdk-dev] [PATCH] ethdev: fix checking Rx/Tx queue status > > > > > > Relax the check for queue setup, since some device may not update > > > queue states during dev_stop. > > > > > > Fixes: cac923cfea47 ("ethdev: support runtime queue setup") > > > Signed-off-by: Yanglong Wu <yanglong...@intel.com> > > > --- > > > lib/librte_ethdev/rte_ethdev.c | 10 ++++++---- > > > 1 file changed, 6 insertions(+), 4 deletions(-) > > > > > > diff --git a/lib/librte_ethdev/rte_ethdev.c > > > b/lib/librte_ethdev/rte_ethdev.c index a357ee09f..34379642a 100644 > > > --- a/lib/librte_ethdev/rte_ethdev.c > > > +++ b/lib/librte_ethdev/rte_ethdev.c > > > @@ -1479,8 +1479,9 @@ rte_eth_rx_queue_setup(uint16_t port_id, > > uint16_t rx_queue_id, > > > RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP)) > > > return -EBUSY; > > > > > > - if (dev->data->rx_queue_state[rx_queue_id] != > > > - RTE_ETH_QUEUE_STATE_STOPPED) > > > + if (dev->data->dev_started && > > > + (dev->data->rx_queue_state[rx_queue_id] != > > > + RTE_ETH_QUEUE_STATE_STOPPED)) > > > return -EBUSY; > > > > > > rxq = dev->data->rx_queues; > > > @@ -1611,8 +1612,9 @@ rte_eth_tx_queue_setup(uint16_t port_id, > > uint16_t tx_queue_id, > > > RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP)) > > > return -EBUSY; > > > > > > - if (dev->data->tx_queue_state[tx_queue_id] != > > > - RTE_ETH_QUEUE_STATE_STOPPED) > > > + if (dev->data->dev_started && > > > + (dev->data->tx_queue_state[tx_queue_id] != > > > + RTE_ETH_QUEUE_STATE_STOPPED)) > > > return -EBUSY; > > > > > > txq = dev->data->tx_queues; > > > -- > > > > That would break runtime queue setup. > > Em... would you explain more, I can't figure out why this break runtime queue > setup so far.
Ah yes, it was me not reading code properly. So yep - you right it wouldn't break things. > > > Why not fix offending PMDs instead? > > Ixgbe, i40e have this issue, not sure what about others. > probably we should fix at rte_eth_dev_stop to save all PMD? Probably yes, that's a good thing to do in long term anyway. > > > > > > 2.11.0 Acked-by: Konstantin Ananyev <konstantin.anan...@intel.com>
