aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/ethernet/pensando/ionic/ionic_lif.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ethernet/pensando/ionic/ionic_lif.c')
-rw-r--r--drivers/net/ethernet/pensando/ionic/ionic_lif.c72
1 files changed, 38 insertions, 34 deletions
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
index f9c303d76658..d718c1a6d5fc 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
@@ -167,10 +167,10 @@ static int ionic_intr_alloc(struct ionic_lif *lif, struct ionic_intr_info *intr)
return 0;
}
-static void ionic_intr_free(struct ionic_lif *lif, int index)
+static void ionic_intr_free(struct ionic *ionic, int index)
{
- if (index != INTR_INDEX_NOT_ASSIGNED && index < lif->ionic->nintrs)
- clear_bit(index, lif->ionic->intrs);
+ if (index != INTR_INDEX_NOT_ASSIGNED && index < ionic->nintrs)
+ clear_bit(index, ionic->intrs);
}
static int ionic_qcq_enable(struct ionic_qcq *qcq)
@@ -190,6 +190,7 @@ static int ionic_qcq_enable(struct ionic_qcq *qcq)
.oper = IONIC_Q_ENABLE,
},
};
+ int ret;
idev = &lif->ionic->idev;
dev = lif->ionic->dev;
@@ -197,16 +198,24 @@ static int ionic_qcq_enable(struct ionic_qcq *qcq)
dev_dbg(dev, "q_enable.index %d q_enable.qtype %d\n",
ctx.cmd.q_control.index, ctx.cmd.q_control.type);
+ if (qcq->flags & IONIC_QCQ_F_INTR)
+ ionic_intr_clean(idev->intr_ctrl, qcq->intr.index);
+
+ ret = ionic_adminq_post_wait(lif, &ctx);
+ if (ret)
+ return ret;
+
+ if (qcq->napi.poll)
+ napi_enable(&qcq->napi);
+
if (qcq->flags & IONIC_QCQ_F_INTR) {
irq_set_affinity_hint(qcq->intr.vector,
&qcq->intr.affinity_mask);
- napi_enable(&qcq->napi);
- ionic_intr_clean(idev->intr_ctrl, qcq->intr.index);
ionic_intr_mask(idev->intr_ctrl, qcq->intr.index,
IONIC_INTR_MASK_CLEAR);
}
- return ionic_adminq_post_wait(lif, &ctx);
+ return 0;
}
static int ionic_qcq_disable(struct ionic_qcq *qcq)
@@ -247,7 +256,6 @@ static int ionic_qcq_disable(struct ionic_qcq *qcq)
static void ionic_lif_qcq_deinit(struct ionic_lif *lif, struct ionic_qcq *qcq)
{
struct ionic_dev *idev = &lif->ionic->idev;
- struct device *dev = lif->ionic->dev;
if (!qcq)
return;
@@ -260,7 +268,6 @@ static void ionic_lif_qcq_deinit(struct ionic_lif *lif, struct ionic_qcq *qcq)
if (qcq->flags & IONIC_QCQ_F_INTR) {
ionic_intr_mask(idev->intr_ctrl, qcq->intr.index,
IONIC_INTR_MASK_SET);
- devm_free_irq(dev, qcq->intr.vector, &qcq->napi);
netif_napi_del(&qcq->napi);
}
@@ -278,8 +285,12 @@ static void ionic_qcq_free(struct ionic_lif *lif, struct ionic_qcq *qcq)
qcq->base = NULL;
qcq->base_pa = 0;
- if (qcq->flags & IONIC_QCQ_F_INTR)
- ionic_intr_free(lif, qcq->intr.index);
+ if (qcq->flags & IONIC_QCQ_F_INTR) {
+ irq_set_affinity_hint(qcq->intr.vector, NULL);
+ devm_free_irq(dev, qcq->intr.vector, &qcq->napi);
+ qcq->intr.vector = 0;
+ ionic_intr_free(lif->ionic, qcq->intr.index);
+ }
devm_kfree(dev, qcq->cq.info);
qcq->cq.info = NULL;
@@ -321,11 +332,6 @@ static void ionic_qcqs_free(struct ionic_lif *lif)
static void ionic_link_qcq_interrupts(struct ionic_qcq *src_qcq,
struct ionic_qcq *n_qcq)
{
- if (WARN_ON(n_qcq->flags & IONIC_QCQ_F_INTR)) {
- ionic_intr_free(n_qcq->cq.lif, n_qcq->intr.index);
- n_qcq->flags &= ~IONIC_QCQ_F_INTR;
- }
-
n_qcq->intr.vector = src_qcq->intr.vector;
n_qcq->intr.index = src_qcq->intr.index;
}
@@ -409,8 +415,15 @@ static int ionic_qcq_alloc(struct ionic_lif *lif, unsigned int type,
ionic_intr_mask_assert(idev->intr_ctrl, new->intr.index,
IONIC_INTR_MASK_SET);
- new->intr.cpu = new->intr.index % num_online_cpus();
- if (cpu_online(new->intr.cpu))
+ err = ionic_request_irq(lif, new);
+ if (err) {
+ netdev_warn(lif->netdev, "irq request failed %d\n", err);
+ goto err_out_free_intr;
+ }
+
+ new->intr.cpu = cpumask_local_spread(new->intr.index,
+ dev_to_node(dev));
+ if (new->intr.cpu != -1)
cpumask_set_cpu(new->intr.cpu,
&new->intr.affinity_mask);
} else {
@@ -422,13 +435,13 @@ static int ionic_qcq_alloc(struct ionic_lif *lif, unsigned int type,
if (!new->cq.info) {
netdev_err(lif->netdev, "Cannot allocate completion queue info\n");
err = -ENOMEM;
- goto err_out_free_intr;
+ goto err_out_free_irq;
}
err = ionic_cq_init(lif, &new->cq, &new->intr, num_descs, cq_desc_size);
if (err) {
netdev_err(lif->netdev, "Cannot initialize completion queue\n");
- goto err_out_free_intr;
+ goto err_out_free_irq;
}
new->base = dma_alloc_coherent(dev, total_size, &new->base_pa,
@@ -436,7 +449,7 @@ static int ionic_qcq_alloc(struct ionic_lif *lif, unsigned int type,
if (!new->base) {
netdev_err(lif->netdev, "Cannot allocate queue DMA memory\n");
err = -ENOMEM;
- goto err_out_free_intr;
+ goto err_out_free_irq;
}
new->total_size = total_size;
@@ -462,8 +475,12 @@ static int ionic_qcq_alloc(struct ionic_lif *lif, unsigned int type,
return 0;
+err_out_free_irq:
+ if (flags & IONIC_QCQ_F_INTR)
+ devm_free_irq(dev, new->intr.vector, &new->napi);
err_out_free_intr:
- ionic_intr_free(lif, new->intr.index);
+ if (flags & IONIC_QCQ_F_INTR)
+ ionic_intr_free(lif->ionic, new->intr.index);
err_out:
dev_err(dev, "qcq alloc of %s%d failed %d\n", name, index, err);
return err;
@@ -638,12 +655,6 @@ static int ionic_lif_rxq_init(struct ionic_lif *lif, struct ionic_qcq *qcq)
netif_napi_add(lif->netdev, &qcq->napi, ionic_rx_napi,
NAPI_POLL_WEIGHT);
- err = ionic_request_irq(lif, qcq);
- if (err) {
- netif_napi_del(&qcq->napi);
- return err;
- }
-
qcq->flags |= IONIC_QCQ_F_INITED;
ionic_debugfs_add_qcq(lif, qcq);
@@ -1861,13 +1872,6 @@ static int ionic_lif_adminq_init(struct ionic_lif *lif)
netif_napi_add(lif->netdev, &qcq->napi, ionic_adminq_napi,
NAPI_POLL_WEIGHT);
- err = ionic_request_irq(lif, qcq);
- if (err) {
- netdev_warn(lif->netdev, "adminq irq request failed %d\n", err);
- netif_napi_del(&qcq->napi);
- return err;
- }
-
napi_enable(&qcq->napi);
if (qcq->flags & IONIC_QCQ_F_INTR)
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-04-30 13:04:34 +0000