gro_cells: gro_cells_receive now return error code
so that the caller can update stats accordingly, if needed
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/gro_cells.h b/include/net/gro_cells.h
index cf6c745..d15214d 100644
--- a/include/net/gro_cells.h
+++ b/include/net/gro_cells.h
@@ -14,27 +14,26 @@
struct gro_cell __percpu *cells;
};
-static inline void gro_cells_receive(struct gro_cells *gcells, struct sk_buff *skb)
+static inline int gro_cells_receive(struct gro_cells *gcells, struct sk_buff *skb)
{
struct gro_cell *cell;
struct net_device *dev = skb->dev;
- if (!gcells->cells || skb_cloned(skb) || !(dev->features & NETIF_F_GRO)) {
- netif_rx(skb);
- return;
- }
+ if (!gcells->cells || skb_cloned(skb) || !(dev->features & NETIF_F_GRO))
+ return netif_rx(skb);
cell = this_cpu_ptr(gcells->cells);
if (skb_queue_len(&cell->napi_skbs) > netdev_max_backlog) {
atomic_long_inc(&dev->rx_dropped);
kfree_skb(skb);
- return;
+ return NET_RX_DROP;
}
__skb_queue_tail(&cell->napi_skbs, skb);
if (skb_queue_len(&cell->napi_skbs) == 1)
napi_schedule(&cell->napi);
+ return NET_RX_SUCCESS;
}
/* called under BH context */