Hi, > -----Original Message----- > From: Dariusz Sosnowski <dsosnow...@nvidia.com> > Sent: Saturday, February 25, 2023 9:58 PM > To: Matan Azrad <ma...@nvidia.com>; Slava Ovsiienko > <viachesl...@nvidia.com> > Cc: dev@dpdk.org > Subject: [PATCH] net/mlx5: reject flow template API reconfiguration > > Flow Template API allows rte_flow_configure() to be called more than once, to > allow applications to dynamically reconfigure the amount of resources > available for flow table and flow rule creation. > PMDs can reject the change in configuration and keep the old configuration. > > Before this patch, during Flow Template API reconfiguration in mlx5 PMD, all > the allocated resources (HW/FW object pools, flow rules, pattern and actions > templates) were released and reallocated according to the new configuration. > This however leads to undefined behavior, since all references to templates, > flows or indirect actions, which are held by the user, are now invalidated. > > This patch changes the reconfiguration behavior. > Configuration provided to rte_flow_configure() is stored in port's private > data > structure. On any subsequent call to rte_flow_configure(), the provided > configuration is compared against the stored configuration. > If both are equal, rte_flow_configure() reports a success and configuration is > unaffected. Otherwise, (-ENOTSUP) is returned. > > Signed-off-by: Dariusz Sosnowski <dsosnow...@nvidia.com>
Patch applied to net-net-mlx, Kindest regards Raslan Darawsheh
