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| author | Amritha Nambiar <amritha.nambiar@intel.com> | 2023-12-01 15:28:40 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-12-04 18:04:05 -0800 |
| commit | 91fdbce7e8d69be255b45bfeb52092629a50e267 (patch) | |
| tree | 2876db558c4ecb56e2f217671aa3e7ca216499b4 /drivers/net/ethernet/intel/ice/ice_lib.c | |
| parent | 2a502ff0c4e42a739b5aa550c901bf3852795532 (diff) | |
| download | lwn-91fdbce7e8d69be255b45bfeb52092629a50e267.tar.gz lwn-91fdbce7e8d69be255b45bfeb52092629a50e267.zip | |
ice: Add support in the driver for associating queue with napi
After the napi context is initialized, map the napi instance
with the queue/queue-set on the corresponding irq line.
Signed-off-by: Amritha Nambiar <amritha.nambiar@intel.com>
Reviewed-by: Sridhar Samudrala <sridhar.samudrala@intel.com>
Link: https://lore.kernel.org/r/170147332060.5260.13310934657151560599.stgit@anambiarhost.jf.intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_lib.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_lib.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c index d826b5afa143..83f6977fad22 100644 --- a/drivers/net/ethernet/intel/ice/ice_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_lib.c @@ -2452,6 +2452,10 @@ ice_vsi_cfg_def(struct ice_vsi *vsi, struct ice_vsi_cfg_params *params) goto unroll_vector_base; ice_vsi_map_rings_to_vectors(vsi); + + /* Associate q_vector rings to napi */ + ice_vsi_set_napi_queues(vsi, true); + vsi->stat_offsets_loaded = false; if (ice_is_xdp_ena_vsi(vsi)) { @@ -2932,6 +2936,69 @@ void ice_vsi_dis_irq(struct ice_vsi *vsi) } /** + * ice_queue_set_napi - Set the napi instance for the queue + * @dev: device to which NAPI and queue belong + * @queue_index: Index of queue + * @type: queue type as RX or TX + * @napi: NAPI context + * @locked: is the rtnl_lock already held + * + * Set the napi instance for the queue + */ +static void +ice_queue_set_napi(struct net_device *dev, unsigned int queue_index, + enum netdev_queue_type type, struct napi_struct *napi, + bool locked) +{ + if (!locked) + rtnl_lock(); + netif_queue_set_napi(dev, queue_index, type, napi); + if (!locked) + rtnl_unlock(); +} + +/** + * ice_q_vector_set_napi_queues - Map queue[s] associated with the napi + * @q_vector: q_vector pointer + * @locked: is the rtnl_lock already held + * + * Associate the q_vector napi with all the queue[s] on the vector + */ +void ice_q_vector_set_napi_queues(struct ice_q_vector *q_vector, bool locked) +{ + struct ice_rx_ring *rx_ring; + struct ice_tx_ring *tx_ring; + + ice_for_each_rx_ring(rx_ring, q_vector->rx) + ice_queue_set_napi(q_vector->vsi->netdev, rx_ring->q_index, + NETDEV_QUEUE_TYPE_RX, &q_vector->napi, + locked); + + ice_for_each_tx_ring(tx_ring, q_vector->tx) + ice_queue_set_napi(q_vector->vsi->netdev, tx_ring->q_index, + NETDEV_QUEUE_TYPE_TX, &q_vector->napi, + locked); +} + +/** + * ice_vsi_set_napi_queues + * @vsi: VSI pointer + * @locked: is the rtnl_lock already held + * + * Associate queue[s] with napi for all vectors + */ +void ice_vsi_set_napi_queues(struct ice_vsi *vsi, bool locked) +{ + int i; + + if (!vsi->netdev) + return; + + ice_for_each_q_vector(vsi, i) + ice_q_vector_set_napi_queues(vsi->q_vectors[i], locked); +} + +/** * ice_vsi_release - Delete a VSI and free its resources * @vsi: the VSI being removed * |