1 files changed, 20 insertions, 8 deletions

diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
index 2c3e36b2dd7f..bad919343180 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
@@ -49,24 +49,24 @@ static void ionic_lif_queue_identify(struct ionic_lif *lif);
 static void ionic_dim_work(struct work_struct *work)
 {
 	struct dim *dim = container_of(work, struct dim, work);
+	struct ionic_intr_info *intr;
 	struct dim_cq_moder cur_moder;
 	struct ionic_qcq *qcq;
+	struct ionic_lif *lif;
 	u32 new_coal;
 
 	cur_moder = net_dim_get_rx_moderation(dim->mode, dim->profile_ix);
 	qcq = container_of(dim, struct ionic_qcq, dim);
-	new_coal = ionic_coal_usec_to_hw(qcq->q.lif->ionic, cur_moder.usec);
+	lif = qcq->q.lif;
+	new_coal = ionic_coal_usec_to_hw(lif->ionic, cur_moder.usec);
 	new_coal = new_coal ? new_coal : 1;
 
-	if (qcq->intr.dim_coal_hw != new_coal) {
-		unsigned int qi = qcq->cq.bound_q->index;
-		struct ionic_lif *lif = qcq->q.lif;
-
-		qcq->intr.dim_coal_hw = new_coal;
+	intr = &qcq->intr;
+	if (intr->dim_coal_hw != new_coal) {
+		intr->dim_coal_hw = new_coal;
 
 		ionic_intr_coal_init(lif->ionic->idev.intr_ctrl,
-				     lif->rxqcqs[qi]->intr.index,
-				     qcq->intr.dim_coal_hw);
+				     intr->index, intr->dim_coal_hw);
 	}
 
 	dim->state = DIM_START_MEASURE;
@@ -3831,6 +3831,18 @@ static void ionic_lif_queue_identify(struct ionic_lif *lif)
 			qtype, qti->max_sg_elems);
 		dev_dbg(ionic->dev, " qtype[%d].sg_desc_stride = %d\n",
 			qtype, qti->sg_desc_stride);
+
+		if (qti->max_sg_elems >= IONIC_MAX_FRAGS) {
+			qti->max_sg_elems = IONIC_MAX_FRAGS - 1;
+			dev_dbg(ionic->dev, "limiting qtype %d max_sg_elems to IONIC_MAX_FRAGS-1 %d\n",
+				qtype, qti->max_sg_elems);
+		}
+
+		if (qti->max_sg_elems > MAX_SKB_FRAGS) {
+			qti->max_sg_elems = MAX_SKB_FRAGS;
+			dev_dbg(ionic->dev, "limiting qtype %d max_sg_elems to MAX_SKB_FRAGS %d\n",
+				qtype, qti->max_sg_elems);
+		}
 	}
 }