Devices or device layers can set this to control the
queue selection performed by dev_pick_tx().
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
---
include/linux/netdevice.h | 3 +++
net/core/dev.c | 3 +++
2 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index f119532..6ba9cd0 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -724,6 +724,9 @@ struct net_device
void (*poll_controller)(struct net_device *dev);
#endif
+ u16 (*select_queue)(struct net_device *dev,
+ struct sk_buff *skb);
+
#ifdef CONFIG_NET_NS
/* Network namespace this network device is inside */
struct net *nd_net;
diff --git a/net/core/dev.c b/net/core/dev.c
index 8ccf016..21f3cc5 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1671,6 +1671,9 @@ static struct netdev_queue *dev_pick_tx(struct net_device *dev,
{
u16 queue_index = 0;
+ if (dev->select_queue)
+ queue_index = dev->select_queue(dev, skb);
+
skb_set_queue_mapping(skb, queue_index);
return netdev_get_tx_queue(dev, queue_index);
}
--
1.5.6
--
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