[dpdk-dev] [PATCH v3 0/7] Port ownership and syncronization

[Ferruh Yigit]

On 1/18/2018 4:35 PM, Matan Azrad wrote:
> Add ownership mechanism to DPDK Ethernet devices to avoid multiple management of a device by different DPDK entities.
> The port ownership mechanism is a good point to redefine the synchronization rules in ethdev:
> 
> 	1. The port allocation and port release synchronization will be managed by ethdev.
> 	2. The port usage synchronization will be managed by the port owner.
> 	3. The port ownership synchronization will be managed by ethdev.
> 	4. DPDK entity which want to use a port safely must take ownership before.
> 
> 
> V2:  
> Synchronize ethdev port creation.
> Synchronize port ownership mechanism.
> Rename owner remove API to rte_eth_dev_owner_unset.
> Remove "ethdev: free a port by a dedicated API" patch - passed to another series.
> Add "ethdev: fix port data reset timing" patch.
> Cahnge owner get API to return int value and to pass copy of the owner structure.
> Adjust testpmd to the improved owner get API.
> Adjust documentations.
> 
> V3:
> Change RTE_ETH_FOREACH_DEV iterator to skip owned ports(Gaetan suggestion).
> Prevent goto in set\unset APIs by adding internal API - this also adds reuse of code(Konstantin suggestion).
> Group all the shared processes variables in one struct to allow easy allocation of it(Konstantin suggestion).
> Take owner name truncation as warning and not as error(Konstantin suggestion).
> Mark the new APIs as EXPERIMENTAL.
> Rebase on top of master_net_mlx.
> Rebase on top of "[PATCH v6 0/6] Fail-safe\ethdev: fix removal handling lack" series.
> Rebase on top of "[PATCH v5 0/8] Introduce virtual driver for Hyper-V/Azure platforms" series.
> Add "ethdev: fix used portid allocation" patch suggested by Konstantin.
> 
> 
> 
> Matan Azrad (7):
>   ethdev: fix port data reset timing
>   ethdev: fix used portid allocation
>   ethdev: add port ownership
>   ethdev: synchronize port allocation
>   net/failsafe: free an eth port by a dedicated API
>   net/failsafe: use ownership mechanism to own ports
>   app/testpmd: adjust ethdev port ownership

Hi Thomas,

Technically this should be in scope of next-net, but this become a long
discussion and I am not able to follow it indeed, would you mind dealing this in
master tree?