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alistair23-linux/drivers/net/ethernet/qlogic/qede
Paolo Abeni a350eccee5 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>
2019-03-20 11:18:55 -07:00
..
Makefile qed*: qede_roce.[ch] -> qede_rdma.[ch] 2017-06-20 12:34:07 -04:00
qede.h net: remove 'fallback' argument from dev->ndo_select_queue() 2019-03-20 11:18:55 -07:00
qede_dcbnl.c qede: Fix sparse warnings 2017-05-24 15:17:19 -04:00
qede_ethtool.c qede: Populate mbi version in ethtool driver query data. 2019-03-20 11:12:50 -07:00
qede_filter.c qede: use ethtool_rx_flow_rule() to remove duplicated parser code 2019-02-06 10:38:26 -08:00
qede_fp.c net: remove 'fallback' argument from dev->ndo_select_queue() 2019-03-20 11:18:55 -07:00
qede_main.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-02-08 15:00:17 -08:00
qede_ptp.c qede: Simplify the usage of qede-flags. 2018-11-27 16:17:19 -08:00
qede_ptp.h qede: Add support for PTP resource locking. 2017-04-27 16:51:34 -04:00
qede_rdma.c qede: Error recovery process 2019-01-28 10:58:41 -08:00