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path: root/drivers/net/ethernet/netronome/nfp/flower/lag_conf.c
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2018-11-07nfp: flower: use the common netdev notifierJakub Kicinski
Use driver's common notifier for LAG and tunnel configuration. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: John Hurley <john.hurley@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-07nfp: flower: make nfp_fl_lag_changels_event() voidJakub Kicinski
nfp_fl_lag_changels_event() never fails, and therefore we would never return NOTIFY_BAD for NETDEV_CHANGELOWERSTATE. Make this clearer by changing nfp_fl_lag_changels_event()'s return type to void. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: John Hurley <john.hurley@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-07nfp: flower: don't try to nack device unregister eventsJakub Kicinski
Returning an error from a notifier means we want to veto the change. We shouldn't veto NETDEV_UNREGISTER just because we couldn't find the tracking info for given master. I can't seem to find a way to trigger this unless we have some other bug, so it's probably not fix-worthy. While at it move the checking if the netdev really is of interest into the handling functions, like we do for other events. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: John Hurley <john.hurley@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11nfp: replace long license headers with SPDXJakub Kicinski
Replace the repeated license text with SDPX identifiers. While at it bump the Copyright dates for files we touched this year. Signed-off-by: Edwin Peer <edwin.peer@netronome.com> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Nic Viljoen <nick.viljoen@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-30nfp: flower: enabled offloading of Team LAGJohn Hurley
Currently the NFP fw only supports L3/L4 hashing so rejects the offload of filters that output to LAG ports implementing other hash algorithms. Team, however, uses a BPF function for the hash that is not defined. To support Team offload, accept hashes that are defined as 'unknown' (only Team defines such hash types). In this case, use the NFP default of L3/L4 hashing for egress port selection. Signed-off-by: John Hurley <john.hurley@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-05-24nfp: flower: compute link aggregation actionJohn Hurley
If the egress device of an offloaded rule is a LAG port, then encode the output port to the NFP with a LAG identifier and the offloaded group ID. A prelag action is also offloaded which must be the first action of the series (although may appear after other pre-actions - e.g. tunnels). This causes the FW to check that it has the necessary information to output to the requested LAG port. If it does not, the packet is sent to the kernel before any other actions are applied to it. Signed-off-by: John Hurley <john.hurley@netronome.com> Reviewed-by: Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-05-24nfp: flower: implement host cmsg handler for LAGJohn Hurley
Adds the control message handler to synchronize offloaded group config with that of the kernel. Such messages are sent from fw to driver and feature the following 3 flags: - Data: an attached cmsg could not be processed - store for retransmission - Xon: FW can accept new messages - retransmit any stored cmsgs - Sync: full sync requested so retransmit all kernel LAG group info Signed-off-by: John Hurley <john.hurley@netronome.com> Reviewed-by: Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-05-24nfp: flower: monitor and offload LAG groupsJohn Hurley
Monitor LAG events via the NETDEV_CHANGEUPPER/NETDEV_CHANGELOWERSTATE notifiers to maintain a list of offloadable groups. Sync these groups with HW via a delayed workqueue to prevent excessive re-configuration. When the workqueue is triggered it may generate multiple control messages for different groups. These messages are linked via a batch ID and flags to indicate a new batch and the end of a batch. Update private data in each repr to track their LAG lower state flags. The state of a repr is used to determine the active netdevs that can be offloaded. For example, in active-backup mode, we only offload the netdev currently active. Signed-off-by: John Hurley <john.hurley@netronome.com> Reviewed-by: Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>