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| author | Wojciech Drewek <wojciech.drewek@intel.com> | 2021-10-26 13:38:40 +0300 |
|---|---|---|
| committer | Tony Nguyen <anthony.l.nguyen@intel.com> | 2022-01-06 21:15:09 +0300 |
| commit | c1e5da5dd4659753407534e323c0579aa79c3bd1 (patch) | |
| tree | 4872b8ee25a03f445473eb47c8eb44c469b9ad5f /drivers/net/ethernet/intel/ice/ice_eswitch.h | |
| parent | c36a2b97162720ff373985f13d819e05f1ba128d (diff) | |
| download | linux-c1e5da5dd4659753407534e323c0579aa79c3bd1.tar.xz | |
ice: improve switchdev's slow-path
In current switchdev implementation, every VF PR is assigned to
individual ring on switchdev ctrl VSI. For slow-path traffic, there
is a mapping VF->ring done in software based on src_vsi value (by
calling ice_eswitch_get_target_netdev function).
With this change, HW solution is introduced which is more
efficient. For each VF, src MAC (VF's MAC) filter will be created,
which forwards packets to the corresponding switchdev ctrl VSI queue
based on src MAC address.
This filter has to be removed and then replayed in case of
resetting one VF. Keep information about this rule in repr->mac_rule,
thanks to that we know which rule has to be removed and replayed
for a given VF.
In case of CORE/GLOBAL all rules are removed
automatically. We have to take care of readding them. This is done
by ice_replay_vsi_adv_rule.
When driver leaves switchdev mode, remove all advanced rules
from switchdev ctrl VSI. This is done by ice_rem_adv_rule_for_vsi.
Flag repr->rule_added is needed because in some cases reset
might be triggered before VF sends request to add MAC.
Co-developed-by: Grzegorz Nitka <grzegorz.nitka@intel.com>
Signed-off-by: Grzegorz Nitka <grzegorz.nitka@intel.com>
Signed-off-by: Wojciech Drewek <wojciech.drewek@intel.com>
Tested-by: Sandeep Penigalapati <sandeep.penigalapati@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_eswitch.h')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_eswitch.h | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_eswitch.h b/drivers/net/ethernet/intel/ice/ice_eswitch.h index 364cd2a79c37..bd58d9d2e565 100644 --- a/drivers/net/ethernet/intel/ice/ice_eswitch.h +++ b/drivers/net/ethernet/intel/ice/ice_eswitch.h @@ -20,10 +20,11 @@ bool ice_is_eswitch_mode_switchdev(struct ice_pf *pf); void ice_eswitch_update_repr(struct ice_vsi *vsi); void ice_eswitch_stop_all_tx_queues(struct ice_pf *pf); - -struct net_device * -ice_eswitch_get_target_netdev(struct ice_rx_ring *rx_ring, - union ice_32b_rx_flex_desc *rx_desc); +int +ice_eswitch_add_vf_mac_rule(struct ice_pf *pf, struct ice_vf *vf, + const u8 *mac); +void ice_eswitch_replay_vf_mac_rule(struct ice_vf *vf); +void ice_eswitch_del_vf_mac_rule(struct ice_vf *vf); void ice_eswitch_set_target_vsi(struct sk_buff *skb, struct ice_tx_offload_params *off); @@ -33,6 +34,15 @@ ice_eswitch_port_start_xmit(struct sk_buff *skb, struct net_device *netdev); static inline void ice_eswitch_release(struct ice_pf *pf) { } static inline void ice_eswitch_stop_all_tx_queues(struct ice_pf *pf) { } +static inline void ice_eswitch_replay_vf_mac_rule(struct ice_vf *vf) { } +static inline void ice_eswitch_del_vf_mac_rule(struct ice_vf *vf) { } + +static inline int +ice_eswitch_add_vf_mac_rule(struct ice_pf *pf, struct ice_vf *vf, + const u8 *mac) +{ + return -EOPNOTSUPP; +} static inline void ice_eswitch_set_target_vsi(struct sk_buff *skb, @@ -67,13 +77,6 @@ static inline bool ice_is_eswitch_mode_switchdev(struct ice_pf *pf) return false; } -static inline struct net_device * -ice_eswitch_get_target_netdev(struct ice_rx_ring *rx_ring, - union ice_32b_rx_flex_desc *rx_desc) -{ - return rx_ring->netdev; -} - static inline netdev_tx_t ice_eswitch_port_start_xmit(struct sk_buff *skb, struct net_device *netdev) { |