xps: Add CONFIG_XPS
This patch adds XPS_CONFIG option to enable and disable XPS. This is
done in the same manner as RPS_CONFIG. This is also fixes build
failure in XPS code when SMP is not enabled.
Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/dev.c b/net/core/dev.c
index c852f00..3259d2c 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1567,6 +1567,9 @@
rc = netdev_queue_update_kobjects(dev, dev->real_num_tx_queues,
txq);
+ if (rc)
+ return rc;
+
if (txq < dev->real_num_tx_queues)
qdisc_reset_all_tx_gt(dev, txq);
}
@@ -2148,7 +2151,7 @@
static inline int get_xps_queue(struct net_device *dev, struct sk_buff *skb)
{
-#ifdef CONFIG_RPS
+#ifdef CONFIG_XPS
struct xps_dev_maps *dev_maps;
struct xps_map *map;
int queue_index = -1;
@@ -5085,9 +5088,9 @@
}
EXPORT_SYMBOL(netif_stacked_transfer_operstate);
+#ifdef CONFIG_RPS
static int netif_alloc_rx_queues(struct net_device *dev)
{
-#ifdef CONFIG_RPS
unsigned int i, count = dev->num_rx_queues;
struct netdev_rx_queue *rx;
@@ -5102,9 +5105,9 @@
for (i = 0; i < count; i++)
rx[i].dev = dev;
-#endif
return 0;
}
+#endif
static int netif_alloc_netdev_queues(struct net_device *dev)
{