diff options
| author | Amir Vadai | 2012-07-19 00:33:51 +0200 |
|---|---|---|
| committer | David S. Miller | 2012-07-19 17:34:37 +0200 |
| commit | d9236c3f10490cd0b3fd4516af12ba62dcbae0b0 (patch) | |
| tree | 9fbfa70657455d1e22eecc2ef71f5e1dfa58c5be /drivers/net/ethernet/mellanox | |
| parent | net/rps: Protect cpu_rmap.h from double inclusion (diff) | |
| download | kernel-qcow2-linux-d9236c3f10490cd0b3fd4516af12ba62dcbae0b0.tar.gz kernel-qcow2-linux-d9236c3f10490cd0b3fd4516af12ba62dcbae0b0.tar.xz kernel-qcow2-linux-d9236c3f10490cd0b3fd4516af12ba62dcbae0b0.zip | |
{NET,IB}/mlx4: Add rmap support to mlx4_assign_eq
Enable callers of mlx4_assign_eq to supply a pointer to cpu_rmap.
If supplied, the assigned IRQ is tracked using rmap infrastructure.
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_cq.c | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/eq.c | 12 |
2 files changed, 13 insertions, 2 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_cq.c b/drivers/net/ethernet/mellanox/mlx4/en_cq.c index 908a460d8db6..0ef615684021 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_cq.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_cq.c @@ -91,7 +91,8 @@ int mlx4_en_activate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq, sprintf(name, "%s-%d", priv->dev->name, cq->ring); /* Set IRQ for specific name (per ring) */ - if (mlx4_assign_eq(mdev->dev, name, &cq->vector)) { + if (mlx4_assign_eq(mdev->dev, name, NULL, + &cq->vector)) { cq->vector = (cq->ring + 1 + priv->port) % mdev->dev->caps.num_comp_vectors; mlx4_warn(mdev, "Failed Assigning an EQ to " diff --git a/drivers/net/ethernet/mellanox/mlx4/eq.c b/drivers/net/ethernet/mellanox/mlx4/eq.c index bce98d9c0039..cd48337cbfc0 100644 --- a/drivers/net/ethernet/mellanox/mlx4/eq.c +++ b/drivers/net/ethernet/mellanox/mlx4/eq.c @@ -39,6 +39,7 @@ #include <linux/dma-mapping.h> #include <linux/mlx4/cmd.h> +#include <linux/cpu_rmap.h> #include "mlx4.h" #include "fw.h" @@ -1060,7 +1061,8 @@ int mlx4_test_interrupts(struct mlx4_dev *dev) } EXPORT_SYMBOL(mlx4_test_interrupts); -int mlx4_assign_eq(struct mlx4_dev *dev, char* name, int * vector) +int mlx4_assign_eq(struct mlx4_dev *dev, char *name, struct cpu_rmap *rmap, + int *vector) { struct mlx4_priv *priv = mlx4_priv(dev); @@ -1074,6 +1076,14 @@ int mlx4_assign_eq(struct mlx4_dev *dev, char* name, int * vector) snprintf(priv->eq_table.irq_names + vec * MLX4_IRQNAME_SIZE, MLX4_IRQNAME_SIZE, "%s", name); +#ifdef CONFIG_RFS_ACCEL + if (rmap) { + err = irq_cpu_rmap_add(rmap, + priv->eq_table.eq[vec].irq); + if (err) + mlx4_warn(dev, "Failed adding irq rmap\n"); + } +#endif err = request_irq(priv->eq_table.eq[vec].irq, mlx4_msi_x_interrupt, 0, &priv->eq_table.irq_names[vec<<5], |