+ if (rs.rs_more) {
+ /*
+ * rs_more indicates chained descriptors which can be
+ * used to link buffers together for a sort of
+ * scatter-gather operation.
+ */
+ if (sc->rx.frag) {
+ /* too many fragments - cannot handle frame */
+ dev_kfree_skb_any(sc->rx.frag);
+ dev_kfree_skb_any(skb);
+ skb = NULL;
+ }
+ sc->rx.frag = skb;
+ goto requeue;
+ }
+
+ if (sc->rx.frag) {
+ int space = skb->len - skb_tailroom(hdr_skb);
+
+ sc->rx.frag = NULL;
+
+ if (pskb_expand_head(hdr_skb, 0, space, GFP_ATOMIC) < 0) {
+ dev_kfree_skb(skb);
+ goto requeue_drop_frag;
+ }
+
+ skb_copy_from_linear_data(skb, skb_put(hdr_skb, skb->len),
+ skb->len);
+ dev_kfree_skb_any(skb);
+ skb = hdr_skb;
+ }
+