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Rana Shahout 7ccdd0841b net/mlx5e: Fix select queue callback 
The default fallback function used by mlx5e select queue can return
any TX queues in range [0..dev->num_real_tx_queues).

The current implementation assumes that the fallback function returns
a number in the range [0.. number of channels).  Actually
dev->num_real_tx_queues = (number of channels) * dev->num_tc;
which is more than the expected range if num_tc is configured and could
lead to crashes.

To fix this we test if num_tc is not configured we can safely return the
fallback suggestion, if not we will reciprocal_scale the fallback
result and normalize it to the desired range.

Fixes: 08fb1dacdd ('net/mlx5e: Support DCBNL IEEE ETS')
Signed-off-by: Rana Shahout <ranas@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reported-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2016-07-01 06:12:04 -04:00
..
appletalk treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
arcnet arcnet: com90xx: add __init attribute 2016-04-19 20:17:45 -04:00
bonding bonding: prevent out of bound accesses 2016-07-01 06:06:09 -04:00
caif
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can can: kvaser_usb: Add support for more Kvaser Leaf v2 devices 2016-06-23 11:16:41 +02:00
cris treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
dsa net: dsa: mv88e6xxx: remove bridge work 2016-05-16 13:46:24 -04:00
ethernet net/mlx5e: Fix select queue callback 2016-07-01 06:12:04 -04:00
fddi net: skfb: remove obsolete -I cflag 2016-06-15 22:06:06 -07:00
fjes fjes: Fix unnecessary spinlock_irqsave 2016-05-09 22:05:51 -04:00
hamradio Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2016-05-17 16:26:30 -07:00
hippi
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hyperv hv_netvsc: set nvdev link after populating chn_table 2016-05-16 13:26:01 -04:00
ieee802154 net: ieee802154/adf7242: syntax error ifdef DEBUG 2016-05-19 11:30:56 -07:00
ipvlan ipvlan: Fix failure path in dev registration during link creation 2016-04-28 17:23:08 -04:00
irda net: irda: avoid null pointer dereference 2016-05-19 11:30:57 -07:00
phy net: marvell: Add separate config ANEG function for Marvell 88E1111 2016-06-29 04:07:36 -04:00
plip
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ppp ppp: add rtnetlink device creation support 2016-04-29 16:09:44 -04:00
slip treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
team team: Fix possible deadlock during team enslave 2016-06-22 16:31:03 -04:00
usb r8152: clear LINK_OFF_WAKE_EN after autoresume 2016-07-01 05:56:39 -04:00
vmxnet3 vmxnet3: segCnt can be 1 for LRO packets 2016-06-10 00:15:11 -07:00
wan treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
wimax treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
wireless wireless-drivers fixes for 4.7 2016-06-23 15:22:31 -04:00
xen-netback xen-netback: only deinitialized hash if it was initialized 2016-05-20 17:41:18 -04:00
Kconfig gtp: add initial driver for datapath of GPRS Tunneling Protocol (GTP-U) 2016-05-10 12:25:04 -04:00
LICENSE.SRC
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Makefile gtp: add initial driver for datapath of GPRS Tunneling Protocol (GTP-U) 2016-05-10 12:25:04 -04:00
Space.c net: Fix coding style warnings and errors. 2016-05-19 11:48:27 -07:00
dummy.c
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eql.c
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geneve.c geneve: fix tx_errors statistics 2016-06-23 15:16:12 -04:00
gtp.c gtp: put back reference to netns when not required anymore 2016-05-12 12:27:15 -04:00
ifb.c ifb: support more features 2016-05-09 00:00:28 -04:00
loopback.c
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macsec.c macsec: fix SA initialization 2016-06-15 14:47:46 -07:00
macvlan.c macvlan: fix failure during registration v3 2016-04-26 15:17:18 -04:00
macvtap.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-05-09 15:59:24 -04:00
mdio.c
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mii.c
…
netconsole.c
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nlmon.c
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ntb_netdev.c
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rionet.c drivers: net: remove NETDEV_TX_LOCKED 2016-04-26 15:53:05 -04:00
sb1000.c
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sungem_phy.c
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tun.c tuntap: correctly wake up process during uninit 2016-05-20 19:28:37 -04:00
veth.c veth: Update features to include all tunnel GSO types 2016-04-21 14:14:59 -04:00
virtio_net.c virtio_net: fix virtnet_open and virtnet_probe competing for try_fill_recv 2016-05-31 14:21:09 -07:00
vrf.c net: vrf: replace hard tab with space in assignment 2016-06-23 15:14:43 -04:00
vxlan.c ovs/vxlan: fix rtnl notifications on iface deletion 2016-06-14 22:21:44 -07:00
xen-netfront.c
…