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37e474acc9
linux/drivers/net
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Johannes Berg 37e474acc9 iwlwifi: mvm: fix mac80211 queue tracking 
In the driver, we track which hardware queue is associated with
which mac80211 "hw_queue", in order to be able to stop and wake
it. When moving these bitmaps out of the queue_info structures,
the type of the bitmap was erroneously changed from u32 to u8,
presumably in order to save memory.

Turns out that u32 isn't needed, because the highest queue we
can ever tell mac80211 is always < 16, but a u16 definitely is
needed, queues >=8 do happen.

While at it, throw a BUILD_BUG_ON() into the place where we set
the limit (mvm->first_agg_queue) and a warning when it actually
gets put into the bitmap.

The consequence of this bug is that full HW queues associated
with such a too-high mac80211 number never stop higher layer
queues when full, and thus would simply drop all packets that
couldn't be enqueued to the hardware queue.

Fixes: 34e10860ae ("iwlwifi: mvm: remove references to queue_info in new TX path")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2017-06-29 20:37:43 +03:00
..
appletalk
arcnet networking: make skb_push & __skb_push return void pointers 2017-06-16 11:48:40 -04:00
bonding net: add netlink_ext_ack argument to rtnl_link_ops.slave_changelink 2017-06-26 23:13:22 -04:00
caif net: add netlink_ext_ack argument to rtnl_link_ops.changelink 2017-06-26 23:13:22 -04:00
can net: add netlink_ext_ack argument to rtnl_link_ops.validate 2017-06-26 23:13:22 -04:00
cris net/{mii, smsc}: Make mii_ethtool_get_link_ksettings and smc_netdev_get_ecmd return void 2017-06-05 11:00:42 -04:00
dsa net: dsa: mv88e6xxx: fix error code in mv88e6390_serdes_power() 2017-06-25 11:42:33 -04:00
ethernet net/mlx4: fix spelling mistake: "coalesing" -> "coalescing" 2017-06-26 23:18:29 -04:00
fddi
fjes networking: introduce and use skb_put_data() 2017-06-16 11:48:37 -04:00
hamradio networking: add and use skb_put_u8() 2017-06-16 11:48:40 -04:00
hippi networking: make skb_push & __skb_push return void pointers 2017-06-16 11:48:40 -04:00
hyperv hv_netvsc: Fix the carrier state error when data path is off 2017-06-22 13:30:37 -04:00
ieee802154 networking: introduce and use skb_put_data() 2017-06-16 11:48:37 -04:00
ipvlan net: add netlink_ext_ack argument to rtnl_link_ops.validate 2017-06-26 23:13:22 -04:00
irda networking: introduce and use skb_put_data() 2017-06-16 11:48:37 -04:00
phy net: phy: smsc: fix buffer overflow in memcpy 2017-06-22 11:12:31 -04:00
plip
ppp net: add netlink_ext_ack argument to rtnl_link_ops.validate 2017-06-26 23:13:22 -04:00
slip networking: introduce and use skb_put_data() 2017-06-16 11:48:37 -04:00
team net: add netlink_ext_ack argument to rtnl_link_ops.validate 2017-06-26 23:13:22 -04:00
usb r8152: correct the definition 2017-06-21 11:32:57 -04:00
vmxnet3 vmxnet3: ensure that adapter is in proper state during force_close 2017-05-12 12:23:52 -04:00
wan networking: make skb_pull & friends return void pointers 2017-06-16 11:48:39 -04:00
wimax networking: make skb_push & __skb_push return void pointers 2017-06-16 11:48:40 -04:00
wireless iwlwifi: mvm: fix mac80211 queue tracking 2017-06-29 20:37:43 +03:00
xen-netback
dummy.c net: add netlink_ext_ack argument to rtnl_link_ops.validate 2017-06-26 23:13:22 -04:00
eql.c
geneve.c net: add netlink_ext_ack argument to rtnl_link_ops.validate 2017-06-26 23:13:22 -04:00
gtp.c net: add netlink_ext_ack argument to rtnl_link_ops.validate 2017-06-26 23:13:22 -04:00
ifb.c net: add netlink_ext_ack argument to rtnl_link_ops.validate 2017-06-26 23:13:22 -04:00
Kconfig
LICENSE.SRC
loopback.c net: Fix inconsistent teardown and release of private netdev state. 2017-06-07 15:53:24 -04:00
macsec.c net: add netlink_ext_ack argument to rtnl_link_ops.validate 2017-06-26 23:13:22 -04:00
macvlan.c net: add netlink_ext_ack argument to rtnl_link_ops.validate 2017-06-26 23:13:22 -04:00
macvtap.c net: add netlink_ext_ack argument to rtnl_link_ops.newlink 2017-06-26 23:13:21 -04:00
Makefile
mdio.c
mii.c net/{mii, smsc}: Make mii_ethtool_get_link_ksettings and smc_netdev_get_ecmd return void 2017-06-05 11:00:42 -04:00
netconsole.c netconsole: Remove duplicate "netconsole: " logging prefix 2017-06-13 12:57:40 -04:00
nlmon.c net: add netlink_ext_ack argument to rtnl_link_ops.validate 2017-06-26 23:13:22 -04:00
ntb_netdev.c
rionet.c
sb1000.c
Space.c
sungem_phy.c drivers/net/sungem: add const to mii_phy_ops structures 2017-06-08 15:32:47 -04:00
tap.c tap: support receiving skb from msg_control 2017-05-18 10:07:41 -04:00
tun.c net: add netlink_ext_ack argument to rtnl_link_ops.validate 2017-06-26 23:13:22 -04:00
veth.c net: add netlink_ext_ack argument to rtnl_link_ops.validate 2017-06-26 23:13:22 -04:00
virtio_net.c bpf: virtio_net: Report bpf_prog ID during XDP_QUERY_PROG 2017-06-16 11:58:36 -04:00
vrf.c net: add netlink_ext_ack argument to rtnl_link_ops.validate 2017-06-26 23:13:22 -04:00
vsockmon.c net: Fix inconsistent teardown and release of private netdev state. 2017-06-07 15:53:24 -04:00
vxlan.c net: add netlink_ext_ack argument to rtnl_link_ops.validate 2017-06-26 23:13:22 -04:00
xen-netfront.c xen-netfront: avoid crashing on resume after a failure in talk_to_netback() 2017-05-11 21:38:50 -04:00