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net/mlx4: link NAPI instances to queues and IRQs

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Make mlx4 compatible with the newly added netlink queue GET APIs.

Signed-off-by: Joe Damato <jdamato@fastly.com>
Tested-by: Martin Karsten <mkarsten@uwaterloo.ca>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://lore.kernel.org/r/20240528181139.515070-3-jdamato@fastly.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Joe Damato 2024-05-28 18:11:37 +00:00 committed by Jakub Kicinski
parent 6166bb0cac
commit 64b62146ba
2 changed files with 15 additions and 0 deletions
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14
drivers/net/ethernet/mellanox/mlx4/en_cq.c
View File

@ -126,6 +126,7 @@ int mlx4_en_activate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq,
cq_idx = cq_idx % priv->rx_ring_num;
rx_cq = priv->rx_cq[cq_idx];
cq->vector = rx_cq->vector;
irq = mlx4_eq_get_irq(mdev->dev, cq->vector);
}
if (cq->type == RX)
@ -142,18 +143,23 @@ int mlx4_en_activate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq,
if (err)
goto free_eq;
cq->cq_idx = cq_idx;
cq->mcq.event = mlx4_en_cq_event;
switch (cq->type) {
case TX:
cq->mcq.comp = mlx4_en_tx_irq;
netif_napi_add_tx(cq->dev, &cq->napi, mlx4_en_poll_tx_cq);
netif_napi_set_irq(&cq->napi, irq);
napi_enable(&cq->napi);
netif_queue_set_napi(cq->dev, cq_idx, NETDEV_QUEUE_TYPE_TX, &cq->napi);
break;
case RX:
cq->mcq.comp = mlx4_en_rx_irq;
netif_napi_add(cq->dev, &cq->napi, mlx4_en_poll_rx_cq);
netif_napi_set_irq(&cq->napi, irq);
napi_enable(&cq->napi);
netif_queue_set_napi(cq->dev, cq_idx, NETDEV_QUEUE_TYPE_RX, &cq->napi);
break;
case TX_XDP:
/* nothing regarding napi, it's shared with rx ring */
@ -189,6 +195,14 @@ void mlx4_en_destroy_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq **pcq)
void mlx4_en_deactivate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq)
{
if (cq->type != TX_XDP) {
enum netdev_queue_type qtype;
if (cq->type == RX)
qtype = NETDEV_QUEUE_TYPE_RX;
else
qtype = NETDEV_QUEUE_TYPE_TX;
netif_queue_set_napi(cq->dev, cq->cq_idx, qtype, NULL);
napi_disable(&cq->napi);
netif_napi_del(&cq->napi);
}

1
drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
View File

@ -380,6 +380,7 @@ struct mlx4_en_cq {
#define MLX4_EN_OPCODE_ERROR 0x1e
const struct cpumask *aff_mask;
int cq_idx;
};
struct mlx4_en_port_profile {