[PATCH] net/bonding: fix flow flush order on bonded device close
Ivan Malov
ivan.malov at oktetlabs.ru
Wed Oct 19 13:27:34 CEST 2022
Hi Chas, Andrew,
On Wed, 19 Oct 2022, Andrew Rybchenko wrote:
> On 10/17/22 15:34, Chas Williams wrote:
>> This appears to be correct, but it needs to be coordinated with the
>> proposed changes in net/bonding: make bonded device configure method
>> re-entrant
Needs to be coordinated - in which way? Are you looking to reorder
the patches? If yes, v2 should be OK with this regard.
>
> Ivan, could you comment and send rebased v2 version anyway.
Please see
https://patches.dpdk.org/project/dpdk/patch/20221019111805.1070381-1-ivan.malov@oktetlabs.ru/
.
>
>>
>>
>> On 10/17/22 04:41, Andrew Rybchenko wrote:
>>> Chas, Cornor, could you review the patch, please.
>>>
>>> Thanks,
>>> Andrew.
>>>
>>> On 9/11/22 15:22, Ivan Malov wrote:
>>>> The current code first removes all back-end devices of
>>>> the bonded device and then invokes flush operation to
>>>> remove flows in such back-end devices, which makes no
>>>> sense. Fix that by re-ordering the steps accordingly.
>>>>
>>>> Fixes: 49dad9028e2a ("net/bonding: support flow API")
>>>> Cc: stable at dpdk.org
>>>>
>>>> Signed-off-by: Ivan Malov <ivan.malov at oktetlabs.ru>
>>>> Reviewed-by: Andrew Rybchenko <andrew.rybchenko at oktetlabs.ru>
>>>> ---
>>>> drivers/net/bonding/rte_eth_bond_pmd.c | 5 ++++-
>>>> 1 file changed, 4 insertions(+), 1 deletion(-)
>>>>
>>>> diff --git a/drivers/net/bonding/rte_eth_bond_pmd.c
>>>> b/drivers/net/bonding/rte_eth_bond_pmd.c
>>>> index a5429f5e97..d01c954296 100644
>>>> --- a/drivers/net/bonding/rte_eth_bond_pmd.c
>>>> +++ b/drivers/net/bonding/rte_eth_bond_pmd.c
>>>> @@ -2155,6 +2155,10 @@ bond_ethdev_close(struct rte_eth_dev *dev)
>>>> return 0;
>>>> RTE_BOND_LOG(INFO, "Closing bonded device %s", dev->device->name);
>>>> +
>>>> + /* Flush flows in all back-end devices before removing them */
>>>> + bond_flow_ops.flush(dev, &ferror);
>>>> +
>>>> while (internals->slave_count != skipped) {
>>>> uint16_t port_id = internals->slaves[skipped].port_id;
>>>> @@ -2172,7 +2176,6 @@ bond_ethdev_close(struct rte_eth_dev *dev)
>>>> skipped++;
>>>> }
>>>> }
>>>> - bond_flow_ops.flush(dev, &ferror);
>>>> bond_ethdev_free_queues(dev);
>>>> rte_bitmap_reset(internals->vlan_filter_bmp);
>>>> rte_bitmap_free(internals->vlan_filter_bmp);
>>>
>
>
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