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netdev-offload: Disallow offloading to unrelated tunneling vports.

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'linux_tc' flow API suitable only for tunneling vports with backing
linux interfaces. DPDK flow API is not suitable for such ports.

With this change we could drop vport restriction from dpif-netdev.

This is a prerequisite for enabling vport offloading in DPDK.

Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
Signed-off-by: Eli Britstein <elibr@nvidia.com>
Reviewed-by: Gaetan Rivet <gaetanr@nvidia.com>
Acked-by: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
Tested-by: Emma Finn <emma.finn@intel.com>
Tested-by: Marko Kovacevic <marko.kovacevic@intel.com>
This commit is contained in:
Ilya Maximets
2021-06-23 15:52:47 +00:00
parent 6a855d3e71
commit a1ec428037
3 changed files with 17 additions and 2 deletions
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3
lib/dpif-netdev.c
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@@ -2727,8 +2727,7 @@ dp_netdev_flow_offload_put(struct dp_flow_offload_item *offload)
info.flow_mark = mark;
port = netdev_ports_get(in_port, dpif_type_str);
if (!port || netdev_vport_is_vport_class(port->netdev_class)) {
netdev_close(port);
if (!port) {
goto err_free;
}
/* Taking a global 'port_mutex' to fulfill thread safety restrictions for