[PATCH 21.11] net/bonding: fix flow flush order on close
Kevin Traynor
ktraynor at redhat.com
Wed Nov 23 19:14:16 CET 2022
On 14/11/2022 11:24, Ivan Malov wrote:
> [ upstream commit df810d1b6e31a3e25085a6abae3be119af3034c1 ]
>
> 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")
>
> Signed-off-by: Ivan Malov <ivan.malov at oktetlabs.ru>
> Reviewed-by: Andrew Rybchenko <andrew.rybchenko at oktetlabs.ru>
> ---
Thanks for the backport, this is pushed to 21.11 branch now.
> 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 c88ba2ae42..707c22a7a4 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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