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authorPaolo Abeni <pabeni@redhat.com>2019-03-20 11:02:06 +0100
committerDavid S. Miller <davem@davemloft.net>2019-03-20 11:18:55 -0700
commita350eccee5830d9a1f29e393a88dc05a15326d44 (patch)
tree606fd11e76d457dbcfcb197f573808cb625bee3f /drivers/net/team
parentb71b5837f8711dbc4bc0424cb5c75e5921be055c (diff)
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net: remove 'fallback' argument from dev->ndo_select_queue()
After the previous patch, all the callers of ndo_select_queue() provide as a 'fallback' argument netdev_pick_tx. The only exceptions are nested calls to ndo_select_queue(), which pass down the 'fallback' available in the current scope - still netdev_pick_tx. We can drop such argument and replace fallback() invocation with netdev_pick_tx(). This avoids an indirect call per xmit packet in some scenarios (TCP syn, UDP unconnected, XDP generic, pktgen) with device drivers implementing such ndo. It also clean the code a bit. Tested with ixgbe and CONFIG_FCOE=m With pktgen using queue xmit: threads vanilla patched (kpps) (kpps) 1 2334 2428 2 4166 4278 4 7895 8100 v1 -> v2: - rebased after helper's name change Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/team')
-rw-r--r--drivers/net/team/team.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
index 6ed96fdfd96d..ee950aa48e3b 100644
--- a/drivers/net/team/team.c
+++ b/drivers/net/team/team.c
@@ -1691,8 +1691,7 @@ static netdev_tx_t team_xmit(struct sk_buff *skb, struct net_device *dev)
}
static u16 team_select_queue(struct net_device *dev, struct sk_buff *skb,
- struct net_device *sb_dev,
- select_queue_fallback_t fallback)
+ struct net_device *sb_dev)
{
/*
* This helper function exists to help dev_pick_tx get the correct