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Several cases of overlapping changes, except the packet scheduler
conflicts which deal with the addition of the free list parameter
to qdisc_enqueue().
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull networking fixes from David Miller:
"I've been traveling so this accumulates more than week or so of bug
fixing. It perhaps looks a little worse than it really is.
1) Fix deadlock in ath10k driver, from Ben Greear.
2) Increase scan timeout in iwlwifi, from Luca Coelho.
3) Unbreak STP by properly reinjecting STP packets back into the
stack. Regression fix from Ido Schimmel.
4) Mediatek driver fixes (missing malloc failure checks, leaking of
scratch memory, wrong indexing when mapping TX buffers, etc.) from
John Crispin.
5) Fix endianness bug in icmpv6_err() handler, from Hannes Frederic
Sowa.
6) Fix hashing of flows in UDP in the ruseport case, from Xuemin Su.
7) Fix netlink notifications in ovs for tunnels, delete link messages
are never emitted because of how the device registry state is
handled. From Nicolas Dichtel.
8) Conntrack module leaks kmemcache on unload, from Florian Westphal.
9) Prevent endless jump loops in nft rules, from Liping Zhang and
Pablo Neira Ayuso.
10) Not early enough spinlock initialization in mlx4, from Eric
Dumazet.
11) Bind refcount leak in act_ipt, from Cong WANG.
12) Missing RCU locking in HTB scheduler, from Florian Westphal.
13) Several small MACSEC bug fixes from Sabrina Dubroca (missing RCU
barrier, using heap for SG and IV, and erroneous use of async flag
when allocating AEAD conext.)
14) RCU handling fix in TIPC, from Ying Xue.
15) Pass correct protocol down into ipv4_{update_pmtu,redirect}() in
SIT driver, from Simon Horman.
16) Socket timer deadlock fix in TIPC from Jon Paul Maloy.
17) Fix potential deadlock in team enslave, from Ido Schimmel.
18) Memory leak in KCM procfs handling, from Jiri Slaby.
19) ESN generation fix in ipv4 ESP, from Herbert Xu.
20) Fix GFP_KERNEL allocations with locks held in act_ife, from Cong
WANG.
21) Use after free in netem, from Eric Dumazet.
22) Uninitialized last assert time in multicast router code, from Tom
Goff.
23) Skip raw sockets in sock_diag destruction broadcast, from Willem
de Bruijn.
24) Fix link status reporting in thunderx, from Sunil Goutham.
25) Limit resegmentation of retransmit queue so that we do not
retransmit too large GSO frames. From Eric Dumazet.
26) Delay bpf program release after grace period, from Daniel
Borkmann"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (141 commits)
openvswitch: fix conntrack netlink event delivery
qed: Protect the doorbell BAR with the write barriers.
neigh: Explicitly declare RCU-bh read side critical section in neigh_xmit()
e1000e: keep VLAN interfaces functional after rxvlan off
cfg80211: fix proto in ieee80211_data_to_8023 for frames without LLC header
qlcnic: use the correct ring in qlcnic_83xx_process_rcv_ring_diag()
bpf, perf: delay release of BPF prog after grace period
net: bridge: fix vlan stats continue counter
tcp: do not send too big packets at retransmit time
ibmvnic: fix to use list_for_each_safe() when delete items
net: thunderx: Fix TL4 configuration for secondary Qsets
net: thunderx: Fix link status reporting
net/mlx5e: Reorganize ethtool statistics
net/mlx5e: Fix number of PFC counters reported to ethtool
net/mlx5e: Prevent adding the same vxlan port
net/mlx5e: Check for BlueFlame capability before allocating SQ uar
net/mlx5e: Change enum to better reflect usage
net/mlx5: Add ConnectX-5 PCIe 4.0 to list of supported devices
net/mlx5: Update command strings
net: marvell: Add separate config ANEG function for Marvell 88E1111
...
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SPQ doorbell is currently protected with the compilation barrier. Under the
stress scenarios, we may get into a state where (due to the weak ordering)
several ramrod doorbells were written to the BAR with an out-of-order
producer values. Need to change the barrier type to a write barrier to make
sure that the write buffer is flushed after each doorbell.
Signed-off-by: Sudarsana Reddy Kalluru <sudarsana.kalluru@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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I've got a bug report about an e1000e interface, where a VLAN interface is
set up on top of it:
$ ip link add link ens1f0 name ens1f0.99 type vlan id 99
$ ip link set ens1f0 up
$ ip link set ens1f0.99 up
$ ip addr add 192.168.99.92 dev ens1f0.99
At this point, I can ping another host on vlan 99, ip 192.168.99.91.
However, if I do the following:
$ ethtool -K ens1f0 rxvlan off
Then no traffic passes on ens1f0.99. It comes back if I toggle rxvlan on
again. I'm not sure if this is actually intended behavior, or if there's a
lack of software VLAN stripping fallback, or what, but things continue to
work if I simply don't call e1000e_vlan_strip_disable() if there are
active VLANs (plagiarizing a function from the e1000 driver here) on the
interface.
Also slipped a related-ish fix to the kerneldoc text for
e1000e_vlan_strip_disable here...
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is a static checker warning here "warn: mask and shift to zero"
and the code sets "ring" to zero every time. From looking at how
QLCNIC_FETCH_RING_ID() is used in qlcnic_83xx_process_rcv_ring() the
qlcnic_83xx_hndl() should be removed.
Fixes: 4be41e92f7c6 ('qlcnic: 83xx data path routines')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since we will remove items off the list using list_del() we need
to use a safe version of the list_for_each() macro aptly named
list_for_each_safe().
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
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TL4 calculation for a given SQ of secondary Qsets is incorrect
and goes out of bounds and also for some SQ's TL4 chosen will
transmit data via a different BGX interface and not same as
primary Qset's interface.
This patch fixes this issue.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Check for SMU RX local/remote faults along with SPU LINK
status. Otherwise at times link is UP at our end but DOWN
at link partner's side. Also due to an issue in BGX it's
rarely seen that initialization doesn't happen properly
and SMU RX reports faults with everything fine at SPU.
This patch tries to reinitialize LMAC to fix it.
Also fixed LMAC disable sequence to properly bring down link.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: Tao Wang <tao.wang@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Categorize and reorganize ethtool statistics counters by renaming to
"rx_*" and "tx_*" and removing redundant and duplicated counters, this
way they are easier to grasp and more user friendly.
Signed-off-by: Gal Pressman <galp@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Number of PFC counters used to count only number of priorities with PFC
enabled, but each priority has more than one counter, hence the need to
multiply it by the number of PFC counters per priority.
Fixes: cf678570d5a1 ('net/mlx5e: Add per priority group to PPort counters')
Signed-off-by: Gal Pressman <galp@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Do not allow the same vxlan udp port to be added to the device more than
once.
Fixes: b3f63c3d5e2c ("net/mlx5e: Add netdev support for VXLAN tunneling")
Signed-off-by: Matthew Finlay <matt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Previous to this patch mapping was always set to write combining without
checking whether BlueFlame is supported in the device.
Fixes: 0ba422410bbf ('net/mlx5: Fix global UAR mapping')
Signed-off-by: Gal Pressman <galp@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Change MLX5E_STATE_ASYNC_EVENTS_ENABLE to
MLX5E_STATE_ASYNC_EVENTS_ENABLED since it represent a state and not an
operation.
Fixes: acff797cd1874 ('net/mlx5: Extend mlx5_core to support ConnectX-4 Ethernet functionality')
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add the upcoming ConnectX-5 PCIe 4.0 device to the list of
supported devices by the mlx5 driver.
Signed-off-by: Majd Dibbiny <majd@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add command string for MODIFY_FLOW_TABLE which is used by the driver.
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Marvell 88E1111 currently uses the generic marvell config ANEG function.
This function has a sequence accessing Page 5 and Register 31,
both of which are not defined or reserved for this PHY.
Hence this patch adds a new config ANEG function for Marvell 88E1111
without these erroneous accesses.
Signed-off-by: Harini Katakam <harinik@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If we have a system which uses fixed PHY devices and calls
fixed_phy_register() then fixed_phy_unregister() we can exhaust the
number of fixed PHYs available after a while, since we keep incrementing
the variable phy_fixed_addr, but we never decrement it.
This patch fixes that by converting the fixed PHY allocation to using
IDA, which takes care of the allocation/dealloaction of the PHY
addresses for us.
Fixes: a75951217472 ("net: phy: extend fixed driver with fixed_phy_register()")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The proc connector messages include a sequence number, allowing userspace
programs to detect lost messages. However, performing this detection is
currently more difficult than necessary, since netlink messages can be
delivered to the application out-of-order. To fix this, leave pre-emption
disabled during cn_netlink_send(), and use GFP_NOWAIT.
The following was written as a test case. Building the kernel w/ make -j32
proved a reliable way to generate out-of-order cn_proc messages.
int
main(int argc, char *argv[])
{
static uint32_t last_seq[CPU_SETSIZE], seq;
int cpu, fd;
struct sockaddr_nl sa;
struct __attribute__((aligned(NLMSG_ALIGNTO))) {
struct nlmsghdr nl_hdr;
struct __attribute__((__packed__)) {
struct cn_msg cn_msg;
struct proc_event cn_proc;
};
} rmsg;
struct __attribute__((aligned(NLMSG_ALIGNTO))) {
struct nlmsghdr nl_hdr;
struct __attribute__((__packed__)) {
struct cn_msg cn_msg;
enum proc_cn_mcast_op cn_mcast;
};
} smsg;
fd = socket(PF_NETLINK, SOCK_DGRAM, NETLINK_CONNECTOR);
if (fd < 0) {
perror("socket");
}
sa.nl_family = AF_NETLINK;
sa.nl_groups = CN_IDX_PROC;
sa.nl_pid = getpid();
if (bind(fd, (struct sockaddr *)&sa, sizeof(sa)) < 0) {
perror("bind");
}
memset(&smsg, 0, sizeof(smsg));
smsg.nl_hdr.nlmsg_len = sizeof(smsg);
smsg.nl_hdr.nlmsg_pid = getpid();
smsg.nl_hdr.nlmsg_type = NLMSG_DONE;
smsg.cn_msg.id.idx = CN_IDX_PROC;
smsg.cn_msg.id.val = CN_VAL_PROC;
smsg.cn_msg.len = sizeof(enum proc_cn_mcast_op);
smsg.cn_mcast = PROC_CN_MCAST_LISTEN;
if (send(fd, &smsg, sizeof(smsg), 0) != sizeof(smsg)) {
perror("send");
}
while (recv(fd, &rmsg, sizeof(rmsg), 0) == sizeof(rmsg)) {
cpu = rmsg.cn_proc.cpu;
if (cpu < 0) {
continue;
}
seq = rmsg.cn_msg.seq;
if ((last_seq[cpu] != 0) && (seq != last_seq[cpu] + 1)) {
printf("out-of-order seq=%d on cpu=%d\n", seq, cpu);
}
last_seq[cpu] = seq;
}
/* NOTREACHED */
perror("recv");
return -1;
}
Signed-off-by: Aaron Campbell <aaron@monkey.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 311c7c71c9bb ("net/mlx5e: Allocate DMA coherent memory on
reader NUMA node") introduced mlx5_*_alloc_node() but missed changing
some calling and warn messages. This patch introduces 2 changes:
* Use mlx5_buf_alloc_node() instead of mlx5_buf_alloc() in
mlx5_wq_ll_create()
* Update the failure warn messages with _node postfix for
mlx5_*_alloc function names
Fixes: 311c7c71c9bb ("net/mlx5e: Allocate DMA coherent memory on reader NUMA node")
Signed-off-by: Wang Sheng-Hui <shhuiw@foxmail.com>
Acked-By: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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bgmac_open() calls phy_start() to initialize the PHY state machine,
which will set the interface's carrier state accordingly, no need to
force that as this could be conflicting with the PHY state determined by
PHYLIB.
Fixes: dd4544f05469 ("bgmac: driver for GBit MAC core on BCMA bus")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The driver does not start the transmit queue in bgmac_open(). If the
queue was stopped prior to closing then re-opening the interface, we
would never be able to wake-up again.
Fixes: dd4544f05469 ("bgmac: driver for GBit MAC core on BCMA bus")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We are checking for the Start of Frame bit in the ctl1 word, while this
bit is set in the ctl0 word instead. Read the ctl0 word and update the
check to verify that.
Fixes: 9cde94506eac ("bgmac: implement scatter/gather support")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since commit 7bb11dc9f59d ("bonding: unify all places where
actor-oper key needs to be updated."), the logic in bonding to handle
selection between multiple aggregators has not functioned.
This affects only configurations wherein the bonding slaves
connect to two discrete aggregators (e.g., two independent switches, each
with LACP enabled), thus creating two separate aggregation groups within a
single bond.
The cause is a change in 7bb11dc9f59d to no longer set
AD_PORT_BEGIN on a port after a link state change, which would cause the
port to be reselected for attachment to an aggregator as if were newly
added to the bond. We cannot restore the prior behavior, as it
contradicts IEEE 802.1AX 5.4.12, which requires ports that "become
inoperable" (lose carrier, setting port_enabled=false as per 802.1AX
5.4.7) to remain selected (i.e., assigned to the aggregator). As the port
now remains selected, the aggregator selection logic is not invoked.
A side effect of this change is that aggregators in bonding will
now contain ports that are link down. The aggregator selection logic
does not currently handle this situation correctly, causing incorrect
aggregator selection.
This patch makes two changes to repair the aggregator selection
logic in bonding to function as documented and within the confines of the
standard:
First, the aggregator selection and related logic now utilizes the
number of active ports per aggregator, not the number of selected ports
(as some selected ports may be down). The ad_select "bandwidth" and
"count" options only consider ports that are link up.
Second, on any carrier state change of any slave, the aggregator
selection logic is explicitly called to insure the correct aggregator is
active.
Reported-by: Veli-Matti Lintu <veli-matti.lintu@opinsys.fi>
Fixes: 7bb11dc9f59d ("bonding: unify all places where actor-oper key needs to be updated.")
Signed-off-by: Jay Vosburgh <jay.vosburgh@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2016-06-23
this is a pull request of 3 patches for the upcoming linux-4.7 release.
The first two patches are by Oliver Hartkopp fixing oopes in the generic CAN
device netlink handling. Jimmy Assarsson's patch for the kvaser_usb driver adds
support for more devices by adding their USB product ids.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds support for Kvaser Leaf Light HS v2 OEM, Mini PCI
Express 2xHS and USBcan Light 2xHS.
Signed-off-by: Jimmy Assarsson <jimmyassarsson@gmail.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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For 'real' hardware CAN devices the netlink interface is used to set CAN
specific communication parameters. Real CAN hardware can not be created nor
removed with the ip tool ...
This patch adds a private dellink function for the CAN device driver interface
that does just nothing.
It's a follow up to commit 993e6f2fd ("can: fix oops caused by wrong rtnl
newlink usage") but for dellink.
Reported-by: ajneu <ajneu1@gmail.com>
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Cc: <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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With upstream commit bb208f144cf3f59 (can: fix handling of unmodifiable
configuration options) a new can_validate() function was introduced.
When invoking 'ip link set can0 type can' without any configuration data
can_validate() tries to validate the content without taking into account that
there's totally no content. This patch adds a check for missing content.
Reported-by: ajneu <ajneu1@gmail.com>
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Cc: <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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By default, mdiobus_alloc() sets the PHYs to polling mode, but a
pointer size memcpy means that a couple IRQs end up being overwritten
with a value of 0. This means that PHY_POLL is disabled and results
in unpredictable behavior depending on the PHY's location on the
MDIO bus. Remove that memcpy and the now unused phy_irq member to
force the SMSC911x PHYs into polling mode 100% of the time.
Fixes: e7f4dc3536a4 ("mdio: Move allocation of interrupts into core")
Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers
Kalle Valo says:
====================
wireless-drivers fixes for 4.7
iwlwifi
* fix the scan timeout for long scans
* fix an RCU splat caused when updating the TKIP key
* fix a potential NULL-derefence introduced recently
* fix a IGTK key bug that has existed since the MVM driver was introduced
* fix some fw capabilities checks that got accidentally inverted
rtl8xxxu
* fix typo on variable name
ath10k
* fix deadlock when peer cannot be created
* fix crash related to printing features
* fix deadlock while processing rx_in_ord_ind
ath9k
* fix GPIO mask regression for AR9462 and AR9565
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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ath.git fixes for 4.7. Major changes:
ath9k
* fix GPIO mask regression with AR9462 and AR9565
ath10k
* fix deadlock while processing rx_in_ord_ind
* fix crash related to printing firmware features in debug mode
* fix deadlock when peer cannot be created
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The incorrect GPIO mask cause kernel warning, when AR9462 access GPIO11.
Also fix the mask for AR9565.
WARNING: CPU: 1 PID: 199 at ../drivers/net/wireless/ath/ath9k/hw.c:2778 ath9k_hw_gpio_get+0x1a9/0x1b0 [ath9k_hw]
CPU: 1 PID: 199 Comm: kworker/u16:9 Not tainted 4.7.0-rc1-next-20160530+ #5
Hardware name: Acer TravelMate P243/BA40_HC, BIOS V1.01 04/20/2012
Workqueue: events_power_efficient rfkill_poll
0000000000000000 ffff88002cf73d28 ffffffff813b8ddc 0000000000000000
0000000000000000 ffff88002cf73d68 ffffffff8107a331 00000ada00000086
ffff880148d9c018 000000000000000b ffff880147e68720 0000000000000200
Call Trace:
[<ffffffff813b8ddc>] dump_stack+0x63/0x87
[<ffffffff8107a331>] __warn+0xd1/0xf0
[<ffffffff8107a41d>] warn_slowpath_null+0x1d/0x20
[<ffffffffc0775b19>] ath9k_hw_gpio_get+0x1a9/0x1b0 [ath9k_hw]
[<ffffffffc047f3e4>] ath9k_rfkill_poll_state+0x34/0x60 [ath9k]
[<ffffffffc06dbb53>] ieee80211_rfkill_poll+0x33/0x40 [mac80211]
[<ffffffffc03ad65a>] cfg80211_rfkill_poll+0x2a/0xc0 [cfg80211]
[<ffffffff817c5514>] rfkill_poll+0x24/0x50
[<ffffffff81093183>] process_one_work+0x153/0x3f0
[<ffffffff8109393b>] worker_thread+0x12b/0x4b0
[<ffffffff81093810>] ? rescuer_thread+0x340/0x340
[<ffffffff81099129>] kthread+0xc9/0xe0
[<ffffffff817d8f1f>] ret_from_fork+0x1f/0x40
[<ffffffff81099060>] ? kthread_park+0x60/0x60
Fixes: a01ab81b09c5 ("ath9k: define correct GPIO numbers and bits mask")
Reported-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
Tested-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
Signed-off-by: Miaoqing Pan <miaoqing@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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commit 5c86d97bcc1d ("ath10k: combine txrx and replenish task")
introduced deadlock while processing rx in order indication message
for qca6174 based devices. While merging replenish and txrx tasklets,
replenish task should be called out of htt rx ring locking since it
is also try to acquire the same lock.
Unfortunately this issue is not exposed by other solutions (qca988x,
qca99x0 & qca4019), as rx_in_ord_ind message is specific to qca6174
based devices. This patch fixes
=============================================
[ INFO: possible recursive locking detected ]
4.7.0-rc2-wt-ath+ #1353 Tainted: G E
---------------------------------------------
swapper/3/0 is trying to acquire lock:
(&(&htt->rx_ring.lock)->rlock){+.-...}, at: [<f8d7ef19>]
ath10k_htt_rx_msdu_buff_replenish+0x29/0x90 [ath10k_core]
but task is already holding lock:
(&(&htt->rx_ring.lock)->rlock){+.-...}, at: [<f8d82cab>]
ath10k_htt_txrx_compl_task+0x21b/0x250 [ath10k_core]
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock(&(&htt->rx_ring.lock)->rlock);
lock(&(&htt->rx_ring.lock)->rlock);
*** DEADLOCK ***
May be due to missing lock nesting notation
1 lock held by swapper/3/0:
#0: (&(&htt->rx_ring.lock)->rlock){+.-...}, at: [<f8d82cab>]
ath10k_htt_txrx_compl_task+0x21b/0x250 [ath10k_core]
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=119151
Fixes: 5c86d97bcc1d ("ath10k: combine txrx and replenish task")
Reported-by: Mike Lothian <mike@fireburn.co.uk>
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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This looks like a regression from commit c4cdf753ed42 ("ath10k: move
fw_features to struct ath10k_fw_file"), we were printing the features from a
wrong struct.
Fixes: c4cdf753ed42 ("ath10k: move fw_features to struct ath10k_fw_file")
Signed-off-by: Ben Greear <greearb@candelatech.com>
[kvalo@qca.qualcomm.com: improve commit log]
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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We must not attempt to send WMI packets while holding the data-lock,
as it may deadlock:
BUG: sleeping function called from invalid context at drivers/net/wireless/ath/ath10k/wmi.c:1824
in_atomic(): 1, irqs_disabled(): 0, pid: 2878, name: wpa_supplicant
=============================================
[ INFO: possible recursive locking detected ]
4.4.6+ #21 Tainted: G W O
---------------------------------------------
wpa_supplicant/2878 is trying to acquire lock:
(&(&ar->data_lock)->rlock){+.-...}, at: [<ffffffffa0721511>] ath10k_wmi_tx_beacons_iter+0x26/0x11a [ath10k_core]
but task is already holding lock:
(&(&ar->data_lock)->rlock){+.-...}, at: [<ffffffffa070251b>] ath10k_peer_create+0x122/0x1ae [ath10k_core]
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock(&(&ar->data_lock)->rlock);
lock(&(&ar->data_lock)->rlock);
*** DEADLOCK ***
May be due to missing lock nesting notation
4 locks held by wpa_supplicant/2878:
#0: (rtnl_mutex){+.+.+.}, at: [<ffffffff816493ca>] rtnl_lock+0x12/0x14
#1: (&ar->conf_mutex){+.+.+.}, at: [<ffffffffa0706932>] ath10k_add_interface+0x3b/0xbda [ath10k_core]
#2: (&(&ar->data_lock)->rlock){+.-...}, at: [<ffffffffa070251b>] ath10k_peer_create+0x122/0x1ae [ath10k_core]
#3: (rcu_read_lock){......}, at: [<ffffffffa062f304>] rcu_read_lock+0x0/0x66 [mac80211]
stack backtrace:
CPU: 3 PID: 2878 Comm: wpa_supplicant Tainted: G W O 4.4.6+ #21
Hardware name: To be filled by O.E.M. To be filled by O.E.M./ChiefRiver, BIOS 4.6.5 06/07/2013
0000000000000000 ffff8801fcadf8f0 ffffffff8137086d ffffffff82681720
ffffffff82681720 ffff8801fcadf9b0 ffffffff8112e3be ffff8801fcadf920
0000000100000000 ffffffff82681720 ffffffffa0721500 ffff8801fcb8d348
Call Trace:
[<ffffffff8137086d>] dump_stack+0x81/0xb6
[<ffffffff8112e3be>] __lock_acquire+0xc5b/0xde7
[<ffffffffa0721500>] ? ath10k_wmi_tx_beacons_iter+0x15/0x11a [ath10k_core]
[<ffffffff8112d0d0>] ? mark_lock+0x24/0x201
[<ffffffff8112e908>] lock_acquire+0x132/0x1cb
[<ffffffff8112e908>] ? lock_acquire+0x132/0x1cb
[<ffffffffa0721511>] ? ath10k_wmi_tx_beacons_iter+0x26/0x11a [ath10k_core]
[<ffffffffa07214eb>] ? ath10k_wmi_cmd_send_nowait+0x1ce/0x1ce [ath10k_core]
[<ffffffff816f9e2b>] _raw_spin_lock_bh+0x31/0x40
[<ffffffffa0721511>] ? ath10k_wmi_tx_beacons_iter+0x26/0x11a [ath10k_core]
[<ffffffffa0721511>] ath10k_wmi_tx_beacons_iter+0x26/0x11a [ath10k_core]
[<ffffffffa07214eb>] ? ath10k_wmi_cmd_send_nowait+0x1ce/0x1ce [ath10k_core]
[<ffffffffa062eb18>] __iterate_interfaces+0x9d/0x13d [mac80211]
[<ffffffffa062f609>] ieee80211_iterate_active_interfaces_atomic+0x32/0x3e [mac80211]
[<ffffffffa07214eb>] ? ath10k_wmi_cmd_send_nowait+0x1ce/0x1ce [ath10k_core]
[<ffffffffa071fa9f>] ath10k_wmi_tx_beacons_nowait.isra.13+0x14/0x16 [ath10k_core]
[<ffffffffa0721676>] ath10k_wmi_cmd_send+0x71/0x242 [ath10k_core]
[<ffffffffa07023f6>] ath10k_wmi_peer_delete+0x3f/0x42 [ath10k_core]
[<ffffffffa0702557>] ath10k_peer_create+0x15e/0x1ae [ath10k_core]
[<ffffffffa0707004>] ath10k_add_interface+0x70d/0xbda [ath10k_core]
[<ffffffffa05fffcc>] drv_add_interface+0x123/0x1a5 [mac80211]
[<ffffffffa061554b>] ieee80211_do_open+0x351/0x667 [mac80211]
[<ffffffffa06158aa>] ieee80211_open+0x49/0x4c [mac80211]
[<ffffffff8163ecf9>] __dev_open+0x88/0xde
[<ffffffff8163ef6e>] __dev_change_flags+0xa4/0x13a
[<ffffffff8163f023>] dev_change_flags+0x1f/0x54
[<ffffffff816a5532>] devinet_ioctl+0x2b9/0x5c9
[<ffffffff816514dd>] ? copy_to_user+0x32/0x38
[<ffffffff816a6115>] inet_ioctl+0x81/0x9d
[<ffffffff816a6115>] ? inet_ioctl+0x81/0x9d
[<ffffffff81621cf8>] sock_do_ioctl+0x20/0x3d
[<ffffffff816223c4>] sock_ioctl+0x222/0x22e
[<ffffffff8121cf95>] do_vfs_ioctl+0x453/0x4d7
[<ffffffff81625603>] ? __sys_recvmsg+0x4c/0x5b
[<ffffffff81225af1>] ? __fget_light+0x48/0x6c
[<ffffffff8121d06b>] SyS_ioctl+0x52/0x74
[<ffffffff816fa736>] entry_SYSCALL_64_fastpath+0x16/0x7a
Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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path_b_ok is being assigned but immediately after path_a_ok is being
compared to the value 0x03. This appears to be a typo on the
variable name, compare path_b_ok instead.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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My cleanup in "iwlwifi: prepare for higher API/CAPA bits" accidentally
inverted a few tests - fix them.
Fixes: 859d914c8f5c ("iwlwifi: prepare for higher API/CAPA bits")
Reported-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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The FW expect the driver to set the encryption algorithm type when
installing the IGTK key in the HW.
Currently when installing CMAC IGTK key we don't set the algorithm type
and as a result the FW fails to calculate the MIC of multicast management
frames.
Fix it.
Signed-off-by: Ayala Beker <ayala.beker@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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We try to access sta before we check for IS_ERR_OR_NULL(), so we may
end up accessing a NULL pointer. To prevent that, move the conversion
from sta to mvm_sta below the check.
Fixes: b915c10174fb ("iwlwifi: mvm: add reorder buffer per queue")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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The commit below mistakenly changed an rcu_dereference_check
to a rcu_dereference_protected which introduced the
following RCU warning:
[ INFO: suspicious RCU usage. ]
4.6.0-rc7-next-20160513-dbg-00004-g8de8b92-dirty #655 Not tainted
-------------------------------
drivers/net/wireless/intel/iwlwifi/mvm/mvm.h:1069 suspicious rcu_dereference_protected() usage!
Call Trace:
[<ffffffff8106b836>] lockdep_rcu_suspicious+0xf7/0x100
[<ffffffffa03b2321>] iwl_mvm_get_key_sta.part.0+0x5d/0x80 [iwlmvm]
[<ffffffffa03b4acb>] iwl_mvm_update_tkip_key+0xd3/0x162 [iwlmvm]
[<ffffffffa03a2b60>] iwl_mvm_mac_update_tkip_key+0x17/0x19 [iwlmvm]
[<ffffffffa0329646>] ieee80211_tkip_decrypt_data+0x22c/0x24b [mac80211]
[<ffffffffa0318bb1>] ieee80211_crypto_tkip_decrypt+0xc5/0x110 [mac80211]
[<ffffffffa033102e>] ieee80211_rx_handlers+0x9bb/0x1fe1 [mac80211]
Fixes: 13303c0fb148 ("iwlwifi: mvm: use helpers to get iwl_mvm_sta")
Reported-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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The 16 seconds timeout we were using turned out to be too short.
Recalculations by system show that the total time in both bands should
be < 18.5 seconds, even in the slowest cases (e.g. DCM P2P with
DTIM=2). Rounding it up to 20 seconds for a bit more safety.
Fixes: 728e825f81b1 ("iwlwifi: mvm: add a scan timeout for regular scans")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Tx errors present summation of errors encountered while transmitting
packets.
Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The assignment of rth->dst.output in vrf_rt6_create() and
vrf_rtable_create() used a hard tab before the '='. The neighboring
assignments did not. Make the assignment of rth->dst.output consistent
with the surrounding code.
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Acked-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This allows a clean shutdown, even if some netdev clients do not
release their reference from this netdev. It is enough to release
the HW resources only as the kernel is shutting down.
Fixes: 2ba5fbd62b25 ('net/mlx4_core: Handle AER flow properly')
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Modify mlx4_en_vlan_rx_[add/kill]_vid to return error value in case of
failure.
Fixes: 8e586137e6b6 ('net: make vlan ndo_vlan_rx_[add/kill]_vid return error value')
Signed-off-by: Kamal Heib <kamalh@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Both dev_uc_sync_multiple() and dev_mc_sync_multiple() require the
source device to be locked by netif_addr_lock_bh(), but this is missing
in team's enslave function, so add it.
This fixes the following lockdep warning:
Possible interrupt unsafe locking scenario:
CPU0 CPU1
---- ----
lock(_xmit_ETHER/1);
local_irq_disable();
lock(&(&mc->mca_lock)->rlock);
lock(&team_netdev_addr_lock_key);
<Interrupt>
lock(&(&mc->mca_lock)->rlock);
*** DEADLOCK ***
Fixes: cb41c997d444 ("team: team should sync the port's uc/mc addrs when add a port")
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patchs adds basic support for the bytewerk.org candleLight interface,
a open hardware (CERN OHL) USB CAN adapter.
Signed-off-by: Hubert Denkmair <hubert@denkmair.de>
Signed-off-by: Maximilian Schneider <max@schneidersoft.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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At high bus load it could happen that "at91_poll()" enters with all RX
message boxes filled up. If then at the end the "quota" is exceeded as
well, "rx_next" will not be reset to the first RX mailbox and hence the
interrupts remain disabled.
Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
Tested-by: Amr Bekhit <amrbekhit@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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access
When testing CAN write floods on Altera's CycloneV, the first 2 bytes
are sometimes 0x00, 0x00 or corrupted instead of the values sent. Also
observed bytes 4 & 5 were corrupted in some cases.
The D_CAN Data registers are 32 bits and changing from 16 bit writes to
32 bit writes fixes the problem.
Testing performed on Altera CycloneV (D_CAN). Requesting tests on other
C_CAN & D_CAN platforms.
Reported-by: Richard Andrysek <richard.andrysek@gomtec.de>
Signed-off-by: Thor Thayer <tthayer@opensource.altera.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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The 'MODULE_FIBER' value replaced several other FIBER values
in newer management firmware images, so existing code would
fail to properly reflect its mode.
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Driver has 2 sets of entries for handling ramrod configurations
toward firmware - a regular pre-allocated set of entires and a
possible 'unlimited' list of additional pending entries.
In most scenarios the 'unlimited' list would not be used, but
when it does the handling of the ramrod completion doesn't
properly handle the release of the entry.
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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