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On ConnectX5 the wqe inline mode is "none" and hence the FW
reports MLX5_CAP_INLINE_MODE_NOT_REQUIRED.
Fix our devlink callbacks to deal with that on get and set.
Also fix the tc flow parsing code not to fail anything when
inline isn't required.
Fixes: bffaa916588e ('net/mlx5: E-Switch, Add control for inline mode')
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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If FW is stuck in initializing state we will skip the driver load, but
current error handling flow doesn't clean previously allocated command
interface resources.
Fixes: e3297246c2c8 ('net/mlx5_core: Wait for FW readiness on startup')
Signed-off-by: Mohamad Haj Yahia <mohamad@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Fix sparse warning about missing prototypes. The rx/tx code path
defines functions with prototypes in ipoib.h.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Fix sparse warnings in recent ipoib support.
The RDMA functions are not used yet, hide behind #ifdef.
Based on comment, they will eventually be local so make static.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Implement the devlink e-switch encapsulation control set and get
callbacks. Apply the value set by the user on the switchdev offloads
mode when creating the fast FDB table where offloaded rules will be set.
Signed-off-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Refactor the creation of the fast path FDB table that holds the
offloaded rules in SRIOV switchdev mode into it's own function.
This will be used in the next patch to be able and re-create the
table under different settings without going through legacy mode.
This patch doesn't change any functionality.
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Ensure that HCI_UART_PROTO_READY is cleared before close(hu) is
called which closes the Data Link protocol layer.
Therefore, add the missing bit clear of HCI_UART_PROTO_READY to
hci_uart_init_work() so that the flag is cleared when
hci_register_dev fails.
Without the fix, the functions of the Data Link protocol layer could
potentially be accessed after that layer has been closed. This
could lead to a crash as memory would have been freed in that layer.
Signed-off-by: Dean Jenkins <Dean_Jenkins@mentor.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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When hci_register_dev() fails, hu->hdev should be set to NULL before
freeing hdev. This avoids potential use of hu->hdev after it has been
freed.
This commit sets hu->hdev to NULL before calling hci_free_dev() in error
handling scenarios in hci_uart_init_work() and hci_uart_register_dev().
Signed-off-by: Dean Jenkins <Dean_Jenkins@mentor.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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If hci_register_dev() returns an error in hci_uart_init_work()
then the HCI_UART_REGISTERED bit gets erroneously set due to
a missing return statement. Therefore, add the missing return
statement.
The consequence of the missing return is that the HCI UART is not
registered but HCI_UART_REGISTERED is set which allows the code
to think that hu->hdev is safe to access but hu->hdev has been
freed so could lead to a crash.
Signed-off-by: Dean Jenkins <Dean_Jenkins@mentor.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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A device driver must not select the COMMON_CLK subsystem, as that conflicts
with platforms that provide a legacy implementation of the clk API:
drivers/clk/clk.o: In function `clk_enable':
clk.c:(.text.clk_enable+0x0): multiple definition of `clk_enable'
arch/arm/mach-sa1100/clock.o:clock.c:(.text.clk_enable+0x0): first defined here
drivers/clk/clk.o: In function `clk_round_rate':
clk.c:(.text.clk_round_rate+0x0): multiple definition of `clk_round_rate'
arch/arm/mach-sa1100/clock.o:clock.c:(.text.clk_round_rate+0x0): first defined here
drivers/clk/clk.o: In function `clk_get_parent':
clk.c:(.text.clk_get_parent+0x0): multiple definition of `clk_get_parent'
arch/arm/mach-sa1100/clock.o:clock.c:(.text.clk_get_parent+0x0): first defined here
drivers/clk/clk.o: In function `clk_get_rate':
clk.c:(.text.clk_get_rate+0x0): multiple definition of `clk_get_rate'
This changes the 'select' into 'depends on', as all other similar drivers do.
Fixes: d931acd575d6 ("ieee802154: Add CA8210 IEEE 802.15.4 device driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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With CONFIG_SERIAL_DEV_BUS=m, the hci_serdev.o file does not actually
get built into hci_uart.o as the Makefile doesn't pick it up, leading
to a link error with anything referring to it:
ERROR: "hci_uart_register_device" [drivers/bluetooth/hci_nokia.ko] undefined!
scripts/Makefile.modpost:91: recipe for target '__modpost' failed
Changing this in the Makefile would cause another problem when
hci_uart itself is built-in and cannot reference symbols from the
serdev module.
This tries to address both problems by introducing a new hidden
Kconfig symbol that controls both the compilation of hci_serdev.o
and whether the Nokia driver can be selected. This seems to address
the problem for me, though there might be a better way to do it.
Fixes: 7bb318680e86 ("Bluetooth: add nokia driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Avoid NULL pointer dereference occurring due to freeing
skb containing an error pointer. It can easily be triggered
by using the driver with broken uart (i.e. due to misconfigured
pinmuxing).
Fixes: 371805522f87 ("bluetooth: hci_uart: add LL protocol serdev driver support")
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Both conflict were simple overlapping changes.
In the kaweth case, Eric Dumazet's skb_cow() bug fix overlapped the
conversion of the driver in net-next to use in-netdev stats.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Reading from ADDR_EMPTY is out of bounds. The current code generates a
static checker warning because we check for out of bounds "lba" before
we check for ADDR_EMPTY, so the second check is always false. It looks
like we intended ADDR_EMPTY to be a no-op without printing a warning.
Fixes: a4bd217b4326 ("lightnvm: physical block device (pblk) target")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
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This is a static checker fix, and perhaps not a real bug. The static
checker thinks that nr_secs could be negative. It would result in
zeroing more memory than intended. Anyway, even if it's not a bug,
changing this variable to unsigned makes the code easier to audit.
Fixes: a4bd217b4326 ("lightnvm: physical block device (pblk) target")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
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Pull networking fixes from David Miller:
1) Don't race in IPSEC dumps, from Yuejie Shi.
2) Verify lengths properly in IPSEC reqeusts, from Herbert Xu.
3) Fix out of bounds access in ipv6 segment routing code, from David
Lebrun.
4) Don't write into the header of cloned SKBs in smsc95xx driver, from
James Hughes.
5) Several other drivers have this bug too, fix them. From Eric
Dumazet.
6) Fix access to uninitialized data in TC action cookie code, from
Wolfgang Bumiller.
7) Fix double free in IPV6 segment routing, again from David Lebrun.
8) Don't let userspace set the RTF_PCPU flag, oops. From David Ahern.
9) Fix use after free in qrtr code, from Dan Carpenter.
10) Don't double-destroy devices in ip6mr code, from Nikolay
Aleksandrov.
11) Don't pass out-of-range TX queue indices into drivers, from Tushar
Dave.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (30 commits)
netpoll: Check for skb->queue_mapping
ip6mr: fix notification device destruction
bpf, doc: update bpf maintainers entry
net: qrtr: potential use after free in qrtr_sendmsg()
bpf: Fix values type used in test_maps
net: ipv6: RTF_PCPU should not be settable from userspace
gso: Validate assumption of frag_list segementation
kaweth: use skb_cow_head() to deal with cloned skbs
ch9200: use skb_cow_head() to deal with cloned skbs
lan78xx: use skb_cow_head() to deal with cloned skbs
sr9700: use skb_cow_head() to deal with cloned skbs
cx82310_eth: use skb_cow_head() to deal with cloned skbs
smsc75xx: use skb_cow_head() to deal with cloned skbs
ipv6: sr: fix double free of skb after handling invalid SRH
MAINTAINERS: Add "B:" field for networking.
net sched actions: allocate act cookie early
qed: Fix issue in populating the PFC config paramters.
qed: Fix possible system hang in the dcbnl-getdcbx() path.
qed: Fix sending an invalid PFC error mask to MFW.
qed: Fix possible error in populating max_tc field.
...
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The ADT7475 and ADT7476 have the STRT bit cleared by default[1]. Before any
monitoring activities the STRT bit needs to be set. Logically this needs
to happen before any of the sensors are read so the probe() function
seems the best place for it.
[1] - https://www.onsemi.com/pub/Collateral/ADT7475-D.PDF
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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With CONFIG_I2C=m and NET_DSA_SMSC_LAN9303=y, we run into a link error:
drivers/base/regmap/regmap-i2c.o: In function `regmap_smbus_byte_reg_read':
regmap-i2c.c:(.text.regmap_smbus_byte_reg_read+0x18): undefined reference to `i2c_smbus_read_byte_data'
drivers/base/regmap/regmap-i2c.o: In function `regmap_smbus_byte_reg_write':
regmap-i2c.c:(.text.regmap_smbus_byte_reg_write+0x18): undefined reference to `i2c_smbus_write_byte_data'
drivers/base/regmap/regmap-i2c.o: In function `regmap_smbus_word_reg_read':
regmap-i2c.c:(.text.regmap_smbus_word_reg_read+0x18): undefined reference to `i2c_smbus_read_word_data'
drivers/base/regmap/regmap-i2c.o: In function `regmap_smbus_word_read_swapped':
regmap-i2c.c:(.text.regmap_smbus_word_read_swapped+0x18): undefined reference to `i2c_smbus_read_word_data'
drivers/base/regmap/regmap-i2c.o: In function `regmap_smbus_word_write_swapped':
This adds a Kconfig dependency to avoid the broken configuration.
Fixes: be4e119f9914 ("net: dsa: LAN9303: add I2C managed mode support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The shunt voltage and current registers are signed 16-bit values so
handle them as such.
Signed-off-by: Joe Schaack <jschaack@xes-inc.com>
Reviewed-by: Aaron Sierra <asierra@xes-inc.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/sameo/nfc-next
Samuel Ortiz says:
====================
NFC 4.12 pull request
This is the NFC pull request for 4.12. We have:
- Improvements for the pn533 command queue handling and device
registration order.
- Removal of platform data for the pn544 and st21nfca drivers.
- Additional device tree options to support more trf7970a hardware options.
- Support for Sony's RC-S380P through the port100 driver.
- Removal of the obsolte nfcwilink driver.
- Headers inclusion cleanups (miscdevice.h, unaligned.h) for many drivers.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Earlier patch 4493b81bea ("bonding: initialize work-queues during
creation of bond") moved the work-queue initialization from bond_open()
to bond_create(). However this caused the link those are created using
netlink 'create bond option' (ip link add bondX type bond); create the
new trunk without initializing work-queues. Prior to the above mentioned
change, ndo_open was in both paths and things worked correctly. The
consequence is visible in the report shared by Joe Stringer -
I've noticed that this patch breaks bonding within namespaces if
you're not careful to perform device cleanup correctly.
Here's my repro script, you can run on any net-next with this patch
and you'll start seeing some weird behaviour:
ip netns add foo
ip li add veth0 type veth peer name veth0+ netns foo
ip li add veth1 type veth peer name veth1+ netns foo
ip netns exec foo ip li add bond0 type bond
ip netns exec foo ip li set dev veth0+ master bond0
ip netns exec foo ip li set dev veth1+ master bond0
ip netns exec foo ip addr add dev bond0 192.168.0.1/24
ip netns exec foo ip li set dev bond0 up
ip li del dev veth0
ip li del dev veth1
The second to last command segfaults, last command hangs. rtnl is now
permanently locked. It's not a problem if you take bond0 down before
deleting veths, or delete bond0 before deleting veths. If you delete
either end of the veth pair as per above, either inside or outside the
namespace, it hits this problem.
Here's some kernel logs:
[ 1221.801610] bond0: Enslaving veth0+ as an active interface with an up link
[ 1224.449581] bond0: Enslaving veth1+ as an active interface with an up link
[ 1281.193863] bond0: Releasing backup interface veth0+
[ 1281.193866] bond0: the permanent HWaddr of veth0+ -
16:bf:fb:e0:b8:43 - is still in use by bond0 - set the HWaddr of
veth0+ to a different address to avoid conflicts
[ 1281.193867] ------------[ cut here ]------------
[ 1281.193873] WARNING: CPU: 0 PID: 2024 at kernel/workqueue.c:1511
__queue_delayed_work+0x13f/0x150
[ 1281.193873] Modules linked in: bonding veth openvswitch nf_nat_ipv6
nf_nat_ipv4 nf_nat autofs4 nfsd auth_rpcgss nfs_acl binfmt_misc nfs
lockd grace sunrpc fscache ppdev vmw_balloon coretemp psmouse
serio_raw vmwgfx ttm drm_kms_helper vmw_vmci netconsole parport_pc
configfs drm i2c_piix4 fb_sys_fops syscopyarea sysfillrect sysimgblt
shpchp mac_hid nf_conntrack_ipv6 nf_defrag_ipv6 nf_conntrack_ipv4
nf_defrag_ipv4 nf_conntrack libcrc32c lp parport hid_generic usbhid
hid mptspi mptscsih e1000 mptbase ahci libahci
[ 1281.193905] CPU: 0 PID: 2024 Comm: ip Tainted: G W
4.10.0-bisect-bond-v0.14 #37
[ 1281.193906] Hardware name: VMware, Inc. VMware Virtual
Platform/440BX Desktop Reference Platform, BIOS 6.00 09/30/2014
[ 1281.193906] Call Trace:
[ 1281.193912] dump_stack+0x63/0x89
[ 1281.193915] __warn+0xd1/0xf0
[ 1281.193917] warn_slowpath_null+0x1d/0x20
[ 1281.193918] __queue_delayed_work+0x13f/0x150
[ 1281.193920] queue_delayed_work_on+0x27/0x40
[ 1281.193929] bond_change_active_slave+0x25b/0x670 [bonding]
[ 1281.193932] ? synchronize_rcu_expedited+0x27/0x30
[ 1281.193935] __bond_release_one+0x489/0x510 [bonding]
[ 1281.193939] ? addrconf_notify+0x1b7/0xab0
[ 1281.193942] bond_netdev_event+0x2c5/0x2e0 [bonding]
[ 1281.193944] ? netconsole_netdev_event+0x124/0x190 [netconsole]
[ 1281.193947] notifier_call_chain+0x49/0x70
[ 1281.193948] raw_notifier_call_chain+0x16/0x20
[ 1281.193950] call_netdevice_notifiers_info+0x35/0x60
[ 1281.193951] rollback_registered_many+0x23b/0x3e0
[ 1281.193953] unregister_netdevice_many+0x24/0xd0
[ 1281.193955] rtnl_delete_link+0x3c/0x50
[ 1281.193956] rtnl_dellink+0x8d/0x1b0
[ 1281.193960] rtnetlink_rcv_msg+0x95/0x220
[ 1281.193962] ? __kmalloc_node_track_caller+0x35/0x280
[ 1281.193964] ? __netlink_lookup+0xf1/0x110
[ 1281.193966] ? rtnl_newlink+0x830/0x830
[ 1281.193967] netlink_rcv_skb+0xa7/0xc0
[ 1281.193969] rtnetlink_rcv+0x28/0x30
[ 1281.193970] netlink_unicast+0x15b/0x210
[ 1281.193971] netlink_sendmsg+0x319/0x390
[ 1281.193974] sock_sendmsg+0x38/0x50
[ 1281.193975] ___sys_sendmsg+0x25c/0x270
[ 1281.193978] ? mem_cgroup_commit_charge+0x76/0xf0
[ 1281.193981] ? page_add_new_anon_rmap+0x89/0xc0
[ 1281.193984] ? lru_cache_add_active_or_unevictable+0x35/0xb0
[ 1281.193985] ? __handle_mm_fault+0x4e9/0x1170
[ 1281.193987] __sys_sendmsg+0x45/0x80
[ 1281.193989] SyS_sendmsg+0x12/0x20
[ 1281.193991] do_syscall_64+0x6e/0x180
[ 1281.193993] entry_SYSCALL64_slow_path+0x25/0x25
[ 1281.193995] RIP: 0033:0x7f6ec122f5a0
[ 1281.193995] RSP: 002b:00007ffe69e89c48 EFLAGS: 00000246 ORIG_RAX:
000000000000002e
[ 1281.193997] RAX: ffffffffffffffda RBX: 00007ffe69e8dd60 RCX: 00007f6ec122f5a0
[ 1281.193997] RDX: 0000000000000000 RSI: 00007ffe69e89c90 RDI: 0000000000000003
[ 1281.193998] RBP: 00007ffe69e89c90 R08: 0000000000000000 R09: 0000000000000003
[ 1281.193999] R10: 00007ffe69e89a10 R11: 0000000000000246 R12: 0000000058f14b9f
[ 1281.193999] R13: 0000000000000000 R14: 00000000006473a0 R15: 00007ffe69e8e450
[ 1281.194001] ---[ end trace 713a77486cbfbfa3 ]---
Fixes: 4493b81bea ("bonding: initialize work-queues during creation of bond")
Reported-by: Joe Stringer <joe@ovn.org>
Tested-by: Joe Stringer <joe@ovn.org>
Signed-off-by: Mahesh Bandewar <maheshb@google.com>
Acked-by: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently driver use phy_start_aneg() in arc_emac_open() to bring
up PHY. But phy_start() function is more appropriate for this purposes.
Besides that it call phy_start_aneg() as part of PHY startup sequence
it also can correctly bring up PHY from error and suspended states.
So the patch replace phy_start_aneg() to phy_start().
Also the patch add call to phy_stop() to arc_emac_stop() to allow
the PHY device to be fully suspended when the interface is unused.
Signed-off-by: Alexander Kochetkov <al.kochet@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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From userspace calling ioctl(NVM_DEV_CREATE) was returning ENOMEM for
invalid arguments even though pblk (pblk_init) was returning correctly
-EINVAL to nvm_create_tgt inside core. This patch propagates the
correct return value to userspace.
Because pblk was introduced recently this only needs to go in 4.12.
Fixes: a4bd217b4326 ("lightnvm: physical block device (pblk) target")
Signed-off-by: Rakesh Pandit <rakesh@tuxera.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue
Jeff Kirsher says:
====================
40GbE Intel Wired LAN Driver Updates 2017-04-19
This series contains updates to i40e and i40evf only, most notable being
the addition of trace points for BPF programs.
Tobias Klauser updates i40evf to use net_device stats struct instead
of a local private copy.
Preethi updates the VF driver to not enable receive checksum offload by
default for tunneled packets.
Alex fixes an issue he introduced when he converted the code over to
using the length field to determine if a descriptor was done or not.
Mitch adds the ability to dump additional information on the VFs, which
is not available through 'ip link show' using debugfs.
Scott adds trace points to the drivers so that BPF programs can be
attached for feature testing and verification.
Jingjing adds admin queue functions for Pipeline Personalization Profile
commands.
Jake does most of the heavy lifting in this series, starting with the
a reduction in the scope of the RTNL lock being held while resetting VFs
to allow multiple PFs to reset in a timely manner. Factored out the
direct queue modification so that we are able to re-use the code.
Reduced the wait time for admin queue commands to complete, since we were
waiting a minimum of a millisecond, when in practice the admin queue
command is processed often much faster. Cleaned up code (flag) we never
use. Make the code to resetting all the VFs optimized for parallel
computing instead of the current way is a serialized fashion, to help
reduce the time it takes.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The NAPI data structure is embedded in the netvsc_device structure
and is freed when device is closed. There is still a reference
(in NAPI list) to this which causes a crash in netif_napi_del
when device is removed. Fix by managing NAPI instances correctly.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We will not be able to send packets over a channel that has been
rescinded. Make necessary adjustments so we can properly cleanup
even when the channel is rescinded. This issue can be trigerred
in the NIC hot-remove path.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The bounce buffer is not used in the ibmvnic driver, just
get rid of it.
Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Update the allocation of memory for the sub crq structs and their
associated pages to allocate zero-filled memory.
Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add some code to call disable_irq on all the vnic interface's irqs.
This fixes a crash observed when closing an active interface, as
seen in the oops below when we try to access a buffer in the interrupt
handler which we've already freed.
Unable to handle kernel paging request for data at address 0x00000001
Faulting instruction address: 0xd000000003886824
Oops: Kernel access of bad area, sig: 11 [#1]
SMP NR_CPUS=2048 NUMA pSeries
Modules linked in: ibmvnic(OEN) rpadlpar_io(X) rpaphp(X) tcp_diag udp_diag inet_diag unix_diag af_packet_diag netlink_diag rpcsec_
Supported: No, Unsupported modules are loaded
CPU: 8 PID: 0 Comm: swapper/8 Tainted: G OE NX 4.4.49-92.11-default #1
task: c00000007f990110 ti: c0000000fffa0000 task.ti: c00000007f9b8000
NIP: d000000003886824 LR: d000000003886824 CTR: c0000000007eff60
REGS: c0000000fffa3a70 TRAP: 0300 Tainted: G OE NX (4.4.49-92.11-default)
MSR: 8000000000009033 <SF,EE,ME,IR,DR,RI,LE> CR: 22008042 XER: 20000008
CFAR: c000000000008468 DAR: 0000000000000001 DSISR: 40000000 SOFTE: 0
GPR00: d000000003886824 c0000000fffa3cf0 d000000003894118 0000000000000000
GPR04: 0000000000000000 0000000000000000 c000000001249da0 0000000000000000
GPR08: 000000000000000e 0000000000000000 c0000000ccb00000 d000000003889180
GPR12: c0000000007eff60 c000000007af4c00 0000000000000001 c0000000010def30
GPR16: c00000007f9b8000 c000000000b98c30 c00000007f9b8080 c000000000bab858
GPR20: 0000000000000005 0000000000000000 c0000000ff5d7e80 c0000000f809f648
GPR24: c0000000ff5d7ec8 0000000000000000 0000000000000000 c0000000ccb001a0
GPR28: 000000000000000a c0000000f809f600 c0000000fd4cd900 c0000000f9cd5b00
NIP [d000000003886824] ibmvnic_interrupt_tx+0x114/0x380 [ibmvnic]
LR [d000000003886824] ibmvnic_interrupt_tx+0x114/0x380 [ibmvnic]
Call Trace:
[c0000000fffa3cf0] [d000000003886824] ibmvnic_interrupt_tx+0x114/0x380 [ibmvnic] (unreliable)
[c0000000fffa3dd0] [c000000000132940] __handle_irq_event_percpu+0x90/0x2e0
[c0000000fffa3e90] [c000000000132bcc] handle_irq_event_percpu+0x3c/0x90
[c0000000fffa3ed0] [c000000000132c88] handle_irq_event+0x68/0xc0
[c0000000fffa3f00] [c000000000137edc] handle_fasteoi_irq+0xec/0x250
[c0000000fffa3f30] [c000000000131b04] generic_handle_irq+0x54/0x80
[c0000000fffa3f60] [c000000000011190] __do_irq+0x80/0x1d0
[c0000000fffa3f90] [c0000000000248d8] call_do_irq+0x14/0x24
[c00000007f9bb9e0] [c000000000011380] do_IRQ+0xa0/0x120
[c00000007f9bba40] [c000000000002594] hardware_interrupt_common+0x114/0x180
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We should not be releasing the crq's when calling close for the
adapter, these need to remain open to facilitate operations such
as updating the mac address. The crq's should be released in the
adpaters remove routine.
Additionally, we need to call release_reources from remove. This
corrects the scenario of trying to remove an adapter that has only
been probed.
Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The inflight list used to track memory that is allocated for crq that are
inflight is not needed. The one piece of the inflight list that does need
to be cleaned at module exit is the error buffer list which is already
attached to the adapter struct.
This patch removes the inflight list and moves checking the error buffer
list to ibmvnic_remove.
Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since the primary CRQ is only used for service functions and
not in the performance path, simplify the code a bit and avoid
disabling the IRQ.
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Replace a couple of modifications of an atomic followed
by a read of the atomic, which is no longer atomic, to
use atomic_XX_return variants to avoid race conditions.
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make sure we unregister long term buffers from the adapter
prior to DMA unmapping it and freeing the buffer. Failure
to do so could result in a DMA to a now invalid address.
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The ibmvnic_change_mac_addr struct alignment was not matching the defined
format in PAPR+, it had the reserved and return code fields swapped. As a
consequence, the CHANGE_MAC_ADDR_RSP commands were being improperly handled
and executed even when the operation wasn't successfully completed by the
system firmware.
Also changing the endianness of the debug message to make it easier to
parse the CRQ content.
Signed-off-by: Murilo Fossa Vicentini <muvic@linux.vnet.ibm.com>
Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add reporting of errors when releasing sub-crqs fails.
Signed-off-by: Thomas Falcon <tlfalcon@us.ibm.com>
Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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gcc points out an useless assignment that was added during code refactoring:
drivers/net/ethernet/cavium/liquidio/lio_ethtool.c: In function 'octnet_intrmod_callback':
drivers/net/ethernet/cavium/liquidio/lio_ethtool.c:1315:59: error: parameter 'oct_dev' set but not used [-Werror=unused-but-set-parameter]
This is harmless but can clearly be remove to avoid the warning.
Fixes: 50c0add534d2 ("liquidio: refactor interrupt moderation code")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We can use skb_cow_head() to properly deal with clones,
especially the ones coming from TCP stack that allow their head being
modified. This avoids a copy.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: James Hughes <james.hughes@raspberrypi.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We need to ensure there is enough headroom to push extra header,
but we also need to check if we are allowed to change headers.
skb_cow_head() is the proper helper to deal with this.
Fixes: 4a476bd6d1d9 ("usbnet: New driver for QinHeng CH9200 devices")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: James Hughes <james.hughes@raspberrypi.org>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We need to ensure there is enough headroom to push extra header,
but we also need to check if we are allowed to change headers.
skb_cow_head() is the proper helper to deal with this.
Fixes: 55d7de9de6c3 ("Microchip's LAN7800 family USB 2/3 to 10/100/1000 Ethernet device driver")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: James Hughes <james.hughes@raspberrypi.org>
Cc: Woojung Huh <woojung.huh@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We need to ensure there is enough headroom to push extra header,
but we also need to check if we are allowed to change headers.
skb_cow_head() is the proper helper to deal with this.
Fixes: c9b37458e956 ("USB2NET : SR9700 : One chip USB 1.1 USB2NET SR9700Device Driver Support")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: James Hughes <james.hughes@raspberrypi.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We need to ensure there is enough headroom to push extra header,
but we also need to check if we are allowed to change headers.
skb_cow_head() is the proper helper to deal with this.
Fixes: cc28a20e77b2 ("introduce cx82310_eth: Conexant CX82310-based ADSL router USB ethernet driver")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: James Hughes <james.hughes@raspberrypi.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We need to ensure there is enough headroom to push extra header,
but we also need to check if we are allowed to change headers.
skb_cow_head() is the proper helper to deal with this.
Fixes: d0cad871703b ("smsc75xx: SMSC LAN75xx USB gigabit ethernet adapter driver")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: James Hughes <james.hughes@raspberrypi.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Christoph writes:
This is the current NVMe pile: virtualization extensions, lots of FC
updates and various misc bits. There are a few more FC bits that didn't
make the cut, but we'd like to get this request out before the merge
window for sure.
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fix from Bjorn Helgaas:
"Sorry this is so late. It's been in -next for over a week, but I
forgot to send it on until now.
A single fix to the DT binding of the HiSilicon PCIe host support"
* tag 'pci-v4.11-fixes-5' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI: hisi: Fix DT binding (hisi-pcie-almost-ecam)
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Pull block layer fixes from Jens Axboe:
"A couple of last minute fixes for regressions in this cycle. More
specifically:
- Two patches from Andy, adjusting the NVMe APST quirks to avoid some
issues specific to one Toshiba drive, and some variant of Samsung
on two specific Dell laptops.
- A fix for mtip32xx, turning off mq scheduling on that device. We
have a real fix for this, but it's too late in the cycle.
Thankfully we already have a NO_SCHED flag we can apply here. A
prep patch for this is ensuring that we honor the NO_SCHED flag
when attempting to online switch schedulers, previsouly we only did
so for drive load time. From Ming.
- Fixing an oops in blk-mq polling with scheduling attached. This one
is easily reproducible, it would be a shame to release 4.11 with
that issue. From me.
I'd prefer not having to send in patches at this point in time, but
the above are all things that have regressed in this cycle and the
fixes are relatively straight forward"
* 'for-linus' of git://git.kernel.dk/linux-block:
blk-mq: fix potential oops with polling and blk-mq scheduler
nvme: Quirk APST off on "THNSF5256GPUK TOSHIBA"
nvme: Adjust the Samsung APST quirk
mtip32xx: pass BLK_MQ_F_NO_SCHED
block: respect BLK_MQ_F_NO_SCHED
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI build fix from Rafael Wysocki:
"This avoids a false-positive build warning from the compiler.
Specifics:
- Avoid a false-positive warning regarding a variable that may not be
initialized that started to trigger after a previous general build
fix (Arnd Bergmann)"
* tag 'acpi-4.11-final' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI / power: Avoid maybe-uninitialized warning
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
"MMC core:
- kmalloc sdio scratch buffer to make it DMA-friendly
MMC host:
- dw_mmc: Fix behaviour for SDIO IRQs when runtime PM is used
- sdhci-esdhc-imx: Correct pad I/O drive strength for UHS-DDR50
cards"
* tag 'mmc-v4.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: sdhci-esdhc-imx: increase the pad I/O drive strength for DDR50 card
mmc: dw_mmc: Don't allow Runtime PM for SDIO cards
mmc: sdio: fix alignment issue in struct sdio_func
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixlet from Dmitry Torokhov:
"An update to Elan PS/2 driver to allow working on yet another
Lifebook"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: elantech - add Fujitsu Lifebook E547 to force crc_enabled
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