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-rw-r--r--drivers/net/ethernet/qlogic/qede/qede_ethtool.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
index c6238083e898..b4c8949933f1 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
@@ -1663,8 +1663,11 @@ static int qede_selftest_run_loopback(struct qede_dev *edev, u32 loopback_mode)
/* Wait for loopback configuration to apply */
msleep_interruptible(500);
- /* prepare the loopback packet */
- pkt_size = edev->ndev->mtu + ETH_HLEN;
+ /* Setting max packet size to 1.5K to avoid data being split over
+ * multiple BDs in cases where MTU > PAGE_SIZE.
+ */
+ pkt_size = (((edev->ndev->mtu < ETH_DATA_LEN) ?
+ edev->ndev->mtu : ETH_DATA_LEN) + ETH_HLEN);
skb = netdev_alloc_skb(edev->ndev, pkt_size);
if (!skb) {