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Code Issues Releases Wiki Activity

netdev: Dynamic per-port Flow API.

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Current issues with Flow API:

* OVS calls offloading functions regardless of successful
  flow API initialization. (ex. on init_flow_api failure)
* Static initilaization of Flow API for a netdev_class forbids
  having different offloading types for different instances
  of netdev with the same netdev_class. (ex. different vports in
  'system' and 'netdev' datapaths at the same time)

Solution:

* Move Flow API from the netdev_class to netdev instance.
* Make Flow API dynamic, i.e. probe the APIs and choose the
  suitable one.

Side effects:

* Flow API providers localized as possible in their modules.
* Now we have an ability to make runtime checks. For example,
  we could check if particular device supports features we
  need, like if dpdk device supports RSS+MARK action.

Signed-off-by: Ilya Maximets <i.maximets@samsung.com>
Acked-by: Roi Dayan <roid@mellanox.com>
This commit is contained in:
Ilya Maximets
2019-05-07 12:24:07 +03:00
parent 7a65e5a925
commit 5fc5c50f3d
17 changed files with 398 additions and 232 deletions
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3
lib/netdev-dpdk.h
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@@ -34,6 +34,9 @@ struct rte_flow_action;
void netdev_dpdk_register(void);
void free_dpdk_buf(struct dp_packet *);
bool netdev_dpdk_flow_api_supported(struct netdev *);
int
netdev_dpdk_rte_flow_destroy(struct netdev *netdev,
struct rte_flow *rte_flow,