On Thu, 28 Jul 2016 11:15:19 +0300
Amir Levy [off-list ref] wrote:

+		/* pad short packets */
+		if (unlikely(skb->len < ETH_ZLEN)) {
+			int pad_len = ETH_ZLEN - skb->len;
+
+			/* The skb is freed on error */
+			if (unlikely(skb_pad(skb, pad_len))) {
+				cleaned_count += frame_count;
+				continue;
+			}
+			__skb_put(skb, pad_len);
+		}

Packets should be padded on transmit, not on receive??