From: Ilya Maximets <i.maximets@samsung.com>
To: dev@dpdk.org, Declan Doherty <declan.doherty@intel.com>
Cc: Heetae Ahn <heetae82.ahn@samsung.com>,
Yuanhan Liu <yuanhan.liu@linux.intel.com>,
Eric Kinzie <ehkinzie@gmail.com>,
Bernard Iremonger <bernard.iremonger@intel.com>,
stable@dpdk.org, Dyasly Sergey <s.dyasly@samsung.com>
Subject: Re: [dpdk-dev] [PATCH] Revert "bonding: use existing enslaved device queues"
Date: Fri, 16 Sep 2016 08:03:57 +0300 [thread overview]
Message-ID: <83ff901c-dc74-66a9-aaf5-1e6f4afd71ed@samsung.com> (raw)
In-Reply-To: <1473251290-22053-1-git-send-email-i.maximets@samsung.com>
Ping.
Best regards, Ilya Maximets.
On 07.09.2016 15:28, Ilya Maximets wrote:
> This reverts commit 5b7bb2bda5519b7800f814df64d4e015282140e5.
>
> It is necessary to reconfigure all queues every time because configuration
> can be changed.
>
> For example, if we're reconfiguring bonding device with new memory pool,
> already configured queues will still use the old one. And if the old
> mempool be freed, application likely will panic in attempt to use
> freed mempool.
>
> This happens when we use the bonding device with OVS 2.6 while MTU
> reconfiguration:
>
> PANIC in rte_mempool_get_ops():
> assert "(ops_index >= 0) && (ops_index < RTE_MEMPOOL_MAX_OPS_IDX)" failed
>
> Cc: <stable@dpdk.org>
> Signed-off-by: Ilya Maximets <i.maximets@samsung.com>
> ---
> drivers/net/bonding/rte_eth_bond_pmd.c | 10 ++--------
> 1 file changed, 2 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/net/bonding/rte_eth_bond_pmd.c b/drivers/net/bonding/rte_eth_bond_pmd.c
> index b20a272..eb5b6d1 100644
> --- a/drivers/net/bonding/rte_eth_bond_pmd.c
> +++ b/drivers/net/bonding/rte_eth_bond_pmd.c
> @@ -1305,8 +1305,6 @@ slave_configure(struct rte_eth_dev *bonded_eth_dev,
> struct bond_rx_queue *bd_rx_q;
> struct bond_tx_queue *bd_tx_q;
>
> - uint16_t old_nb_tx_queues = slave_eth_dev->data->nb_tx_queues;
> - uint16_t old_nb_rx_queues = slave_eth_dev->data->nb_rx_queues;
> int errval;
> uint16_t q_id;
>
> @@ -1347,9 +1345,7 @@ slave_configure(struct rte_eth_dev *bonded_eth_dev,
> }
>
> /* Setup Rx Queues */
> - /* Use existing queues, if any */
> - for (q_id = old_nb_rx_queues;
> - q_id < bonded_eth_dev->data->nb_rx_queues; q_id++) {
> + for (q_id = 0; q_id < bonded_eth_dev->data->nb_rx_queues; q_id++) {
> bd_rx_q = (struct bond_rx_queue *)bonded_eth_dev->data->rx_queues[q_id];
>
> errval = rte_eth_rx_queue_setup(slave_eth_dev->data->port_id, q_id,
> @@ -1365,9 +1361,7 @@ slave_configure(struct rte_eth_dev *bonded_eth_dev,
> }
>
> /* Setup Tx Queues */
> - /* Use existing queues, if any */
> - for (q_id = old_nb_tx_queues;
> - q_id < bonded_eth_dev->data->nb_tx_queues; q_id++) {
> + for (q_id = 0; q_id < bonded_eth_dev->data->nb_tx_queues; q_id++) {
> bd_tx_q = (struct bond_tx_queue *)bonded_eth_dev->data->tx_queues[q_id];
>
> errval = rte_eth_tx_queue_setup(slave_eth_dev->data->port_id, q_id,
>
next prev parent reply other threads:[~2016-09-16 5:04 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-07 12:28 Ilya Maximets
[not found] ` <CGME20160916050359eucas1p22998d07e190781e165082cdd9c917470@eucas1p2.samsung.com>
2016-09-16 5:03 ` Ilya Maximets [this message]
2016-10-06 14:32 ` Declan Doherty
2016-10-19 9:55 ` Bruce Richardson
2016-10-25 13:59 ` Bruce Richardson
2016-10-07 2:02 ` Eric Kinzie
2016-10-12 13:24 ` Ilya Maximets
2016-10-12 15:24 ` Bruce Richardson
2016-10-13 23:37 ` Eric Kinzie
2016-10-24 11:02 ` Declan Doherty
2016-10-24 14:51 ` Jan Blunck
2016-10-24 15:07 ` Declan Doherty
2016-10-25 12:57 ` Bruce Richardson
2016-10-25 13:48 ` Declan Doherty
2016-10-25 14:00 ` Bruce Richardson
2016-11-21 11:30 ` [dpdk-dev] [dpdk-stable] " Ferruh Yigit
2016-11-21 11:39 ` Jan Blunck
2016-11-21 12:49 ` Ilya Maximets
2016-11-21 13:11 ` Ilya Maximets
2016-11-23 20:35 ` Jan Blunck
2016-11-23 19:38 ` [dpdk-dev] [PATCH 1/4] ethdev: Call rx/tx_queue_release before rx/tx_queue_setup Jan Blunck
2016-11-23 19:38 ` [dpdk-dev] [PATCH 2/4] ethdev: Free rx/tx_queues after releasing all queues Jan Blunck
2016-11-23 19:38 ` [dpdk-dev] [PATCH 3/4] ethdev: Add DPDK internal _rte_eth_dev_reset() Jan Blunck
2016-11-23 19:38 ` [dpdk-dev] [PATCH 4/4] bond: Force reconfiguration of removed slave interfaces Jan Blunck
2016-10-18 12:28 ` [dpdk-dev] [PATCH] Revert "bonding: use existing enslaved device queues" Jan Blunck
2016-10-18 12:49 ` Ilya Maximets
2016-10-18 15:19 ` Jan Blunck
2016-10-19 9:47 ` Ilya Maximets
2016-10-24 14:54 ` Jan Blunck
2016-10-25 6:26 ` Ilya Maximets
2016-10-28 6:14 ` Ilya Maximets
2016-11-11 9:16 ` Ilya Maximets
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