@@ -264,10 +264,11 @@ static int ionic_qcq_enable(struct ionic_qcq *qcq)
return ionic_adminq_post_wait(lif, &ctx);
}
-static int ionic_qcq_disable(struct ionic_qcq *qcq)
+static int ionic_qcq_disable(struct ionic_qcq *qcq, bool send_to_hw)
{
struct ionic_queue *q;
struct ionic_lif *lif;
+ int err = 0;
struct ionic_admin_ctx ctx = {
.work = COMPLETION_INITIALIZER_ONSTACK(ctx.work),
@@ -294,13 +295,17 @@ static int ionic_qcq_disable(struct ionic_qcq *qcq)
napi_disable(&qcq->napi);
}
- ctx.cmd.q_control.lif_index = cpu_to_le16(lif->index);
- ctx.cmd.q_control.type = q->type;
- ctx.cmd.q_control.index = cpu_to_le32(q->index);
- dev_dbg(lif->ionic->dev, "q_disable.index %d q_disable.qtype %d\n",
- ctx.cmd.q_control.index, ctx.cmd.q_control.type);
+ if (send_to_hw) {
+ ctx.cmd.q_control.lif_index = cpu_to_le16(lif->index);
+ ctx.cmd.q_control.type = q->type;
+ ctx.cmd.q_control.index = cpu_to_le32(q->index);
+ dev_dbg(lif->ionic->dev, "q_disable.index %d q_disable.qtype %d\n",
+ ctx.cmd.q_control.index, ctx.cmd.q_control.type);
- return ionic_adminq_post_wait(lif, &ctx);
+ err = ionic_adminq_post_wait(lif, &ctx);
+ }
+
+ return err;
}
static void ionic_lif_qcq_deinit(struct ionic_lif *lif, struct ionic_qcq *qcq)
@@ -1627,22 +1632,16 @@ static void ionic_lif_rss_deinit(struct ionic_lif *lif)
static void ionic_txrx_disable(struct ionic_lif *lif)
{
unsigned int i;
- int err;
+ int err = 0;
if (lif->txqcqs) {
- for (i = 0; i < lif->nxqs; i++) {
- err = ionic_qcq_disable(lif->txqcqs[i]);
- if (err == -ETIMEDOUT)
- break;
- }
+ for (i = 0; i < lif->nxqs; i++)
+ err = ionic_qcq_disable(lif->txqcqs[i], (err != -ETIMEDOUT));
}
if (lif->rxqcqs) {
- for (i = 0; i < lif->nxqs; i++) {
- err = ionic_qcq_disable(lif->rxqcqs[i]);
- if (err == -ETIMEDOUT)
- break;
- }
+ for (i = 0; i < lif->nxqs; i++)
+ err = ionic_qcq_disable(lif->rxqcqs[i], (err != -ETIMEDOUT));
}
}
@@ -1794,6 +1793,7 @@ static int ionic_txrx_init(struct ionic_lif *lif)
static int ionic_txrx_enable(struct ionic_lif *lif)
{
+ int derr = 0;
int i, err;
for (i = 0; i < lif->nxqs; i++) {
@@ -1810,8 +1810,7 @@ static int ionic_txrx_enable(struct ionic_lif *lif)
err = ionic_qcq_enable(lif->txqcqs[i]);
if (err) {
- if (err != -ETIMEDOUT)
- ionic_qcq_disable(lif->rxqcqs[i]);
+ derr = ionic_qcq_disable(lif->rxqcqs[i], (err != -ETIMEDOUT));
goto err_out;
}
}
@@ -1820,12 +1819,8 @@ static int ionic_txrx_enable(struct ionic_lif *lif)
err_out:
while (i--) {
- err = ionic_qcq_disable(lif->txqcqs[i]);
- if (err == -ETIMEDOUT)
- break;
- err = ionic_qcq_disable(lif->rxqcqs[i]);
- if (err == -ETIMEDOUT)
- break;
+ derr = ionic_qcq_disable(lif->txqcqs[i], (derr != -ETIMEDOUT));
+ derr = ionic_qcq_disable(lif->rxqcqs[i], (derr != -ETIMEDOUT));
}
return err;
Some time ago we short-circuited the queue disables on a timeout error in order to not have to wait on every queue when we already know it will time out. However, this meant that we're not properly stopping all the interrupts and napi contexts. This changes queue disable to always call ionic_qcq_disable() and to give it an argument to know when to not do the adminq request. Signed-off-by: Shannon Nelson <snelson@pensando.io> --- .../net/ethernet/pensando/ionic/ionic_lif.c | 47 +++++++++---------- 1 file changed, 21 insertions(+), 26 deletions(-)