---

yaml
---
r: 328009
b: refs/heads/master
c: c31e5f9
h: refs/heads/master
i:
  328007: 380a192
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 79d68b370074044d7a9dd789ee103ffe5ef00bda
+refs/heads/master: c31e5f9f97fba32103c8bdd286eee8e3aefbee31

trunk/drivers/net/ethernet/sfc/efx.c

@@ -734,6 +734,7 @@ static void efx_remove_channel(struct efx_channel *channel)
 	efx_for_each_possible_channel_tx_queue(tx_queue, channel)
 		efx_remove_tx_queue(tx_queue);
 	efx_remove_eventq(channel);
+	channel->type->post_remove(channel);
 }
 
 static void efx_remove_channels(struct efx_nic *efx)
@@ -852,6 +853,7 @@ void efx_schedule_slow_fill(struct efx_rx_queue *rx_queue)
 
 static const struct efx_channel_type efx_default_channel_type = {
 	.pre_probe		= efx_channel_dummy_op_int,
+	.post_remove		= efx_channel_dummy_op_void,
 	.get_name		= efx_get_channel_name,
 	.copy			= efx_copy_channel,
 	.keep_eventq		= false,
@@ -862,6 +864,10 @@ int efx_channel_dummy_op_int(struct efx_channel *channel)
 	return 0;
 }
 
+void efx_channel_dummy_op_void(struct efx_channel *channel)
+{
+}
+
 /**************************************************************************
  *
  * Port handling

trunk/drivers/net/ethernet/sfc/efx.h

@@ -102,6 +102,7 @@ static inline void efx_filter_rfs_expire(struct efx_channel *channel) {}
 
 /* Channels */
 extern int efx_channel_dummy_op_int(struct efx_channel *channel);
+extern void efx_channel_dummy_op_void(struct efx_channel *channel);
 extern void efx_process_channel_now(struct efx_channel *channel);
 extern int
 efx_realloc_channels(struct efx_nic *efx, u32 rxq_entries, u32 txq_entries);

trunk/drivers/net/ethernet/sfc/net_driver.h

@@ -393,14 +393,17 @@ struct efx_channel {
  * @get_name: Generate the channel's name (used for its IRQ handler)
  * @copy: Copy the channel state prior to reallocation.  May be %NULL if
  *	reallocation is not supported.
+ * @receive_skb: Handle an skb ready to be passed to netif_receive_skb()
  * @keep_eventq: Flag for whether event queue should be kept initialised
  *	while the device is stopped
  */
 struct efx_channel_type {
 	void (*handle_no_channel)(struct efx_nic *);
 	int (*pre_probe)(struct efx_channel *);
+	void (*post_remove)(struct efx_channel *);
 	void (*get_name)(struct efx_channel *, char *buf, size_t len);
 	struct efx_channel *(*copy)(const struct efx_channel *);
+	void (*receive_skb)(struct efx_channel *, struct sk_buff *);
 	bool keep_eventq;
 };
 

trunk/drivers/net/ethernet/sfc/rx.c

@@ -575,7 +575,10 @@ static void efx_rx_deliver(struct efx_channel *channel,
 	skb_record_rx_queue(skb, channel->rx_queue.core_index);
 
 	/* Pass the packet up */
-	netif_receive_skb(skb);
+	if (channel->type->receive_skb)
+		channel->type->receive_skb(channel, skb);
+	else
+		netif_receive_skb(skb);
 
 	/* Update allocation strategy method */
 	channel->rx_alloc_level += RX_ALLOC_FACTOR_SKB;
@@ -617,7 +620,8 @@ void __efx_rx_packet(struct efx_channel *channel, struct efx_rx_buffer *rx_buf)
 	if (unlikely(!(efx->net_dev->features & NETIF_F_RXCSUM)))
 		rx_buf->flags &= ~EFX_RX_PKT_CSUMMED;
 
-	if (likely(rx_buf->flags & (EFX_RX_BUF_PAGE | EFX_RX_PKT_CSUMMED)))
+	if (likely(rx_buf->flags & (EFX_RX_BUF_PAGE | EFX_RX_PKT_CSUMMED)) &&
+	    !channel->type->receive_skb)
 		efx_rx_packet_gro(channel, rx_buf, eh);
 	else
 		efx_rx_deliver(channel, rx_buf);
@@ -627,6 +631,11 @@ void efx_rx_strategy(struct efx_channel *channel)
 {
 	enum efx_rx_alloc_method method = rx_alloc_method;
 
+	if (channel->type->receive_skb) {
+		channel->rx_alloc_push_pages = false;
+		return;
+	}
+
 	/* Only makes sense to use page based allocation if GRO is enabled */
 	if (!(channel->efx->net_dev->features & NETIF_F_GRO)) {
 		method = RX_ALLOC_METHOD_SKB;