.maxtype should match .policy. Probably just been getting lucky here
because IFLA_BRPORT_MAX > IFLA_BR_MAX.
Fixes: 13323516 ("bridge: implement rtnl_link_ops->changelink")
Signed-off-by: Scott Feldman <sfeldma@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The dev==NULL check in smsc911x_probe_config is useless
and isn't providing any additional protection. If a fwnode
doesn't exist then an appropriate error should be returned
by device_get_phy_mode() covering the original case
of a missing of/fwnode.
Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds MAC address length check back into
the device_get_mac_addr() function before calling
is_valid_ether_addr() similar to the way the OF
routine does it.
Update the comments for the two new functions.
Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
ath10k:
* add support for qca99x0 family of devices
* improve performance of tx_lock
* add support for raw mode (802.11 frame format) and software crypto
engine enabled via a module parameter
ath9k:
* add fast-xmit support
wil6210:
* implement TSO support
* support bootloader v1 and onwards
iwlwifi:
* Deprecate -10.ucode
* Clean ups towards multiple Rx queues
* Add support for longer CMD IDs. This will be required by new
firmwares since we are getting close to the u8 limit.
* bugfixes for the D0i3 power state
* Add basic support for FTM
* polish the Miracast operation
* fix a few power consumption issues
* scan cleanup
* fixes for D0i3 system state
* add paging for devices that support it
* add again the new RBD allocation model
* add more options to the firmware debug system
* add support for frag SKBs in Tx
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Merge tag 'wireless-drivers-next-for-davem-2015-08-19' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
Kalle Valo says:
====================
Major changes:
ath10k:
* add support for qca99x0 family of devices
* improve performance of tx_lock
* add support for raw mode (802.11 frame format) and software crypto
engine enabled via a module parameter
ath9k:
* add fast-xmit support
wil6210:
* implement TSO support
* support bootloader v1 and onwards
iwlwifi:
* Deprecate -10.ucode
* Clean ups towards multiple Rx queues
* Add support for longer CMD IDs. This will be required by new
firmwares since we are getting close to the u8 limit.
* bugfixes for the D0i3 power state
* Add basic support for FTM
* polish the Miracast operation
* fix a few power consumption issues
* scan cleanup
* fixes for D0i3 system state
* add paging for devices that support it
* add again the new RBD allocation model
* add more options to the firmware debug system
* add support for frag SKBs in Tx
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Make fib_encap_match() static as it isn't used outside the file.
Signed-off-by: Ying Xue <ying.xue@windriver.com>
Reviewed-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Johannes Berg says:
====================
average: convert users to inline implementation
Since there's very little benefit of the out-of-line implementation
(a single byte of .text in one driver as far as I've seen), convert
all drivers to the inline implementation, saving memory, and remove
the out-of-line implementation.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Since all users are now converted to the inline implementation,
remove the out-of-line implementation entirely.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Instead of using the out-of-line EWMA calculation, use DECLARE_EWMA()
to create static inlines. On x86/64 this results in code that's one
byte larger (for me), but reduces struct link_ant and struct link
size by the two unsigned long values that store the parameters each.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This reduces code size slightly (at least on x86/64) while also
removing memory consumption by two unsigned long values for each
ath5k device.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Instead of using the out-of-line EWMA calculation, use DECLARE_EWMA()
to create static inlines. On x86/64 this results in no change in code
size for me, but reduces the struct receive_queue size by the two
unsigned long values that store the parameters.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit f34fa14cc0 ("bnx2x: Add vxlan RSS support") has introduced an
endianity issue when passing the vxlan UDP port to the HW.
Reported-by: <fengguang.wu@intel.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Nikolay Aleksandrov says:
====================
vrf: cleanups part 2
This is the next part of vrf cleanups, patch 1 drops the SLAB_PANIC
when creating kmem cache since it's handled, patch 02 removes a slave
duplicate check which is already done by the lower/upper code, patch 3
moves the ndo_add_slave code around a bit so we can drop an error
label and patch 4 drops the master device checks which are unnecessary
because the ops are taken from the master device itself so it can't be
different.
====================
Acked-by: David Ahern <dsa@cumulusnetworks.com>
When ndo_add|del_slave ops are used, they're taken from the respective
master device's netdev ops, so if the master device is a VRF only then
the VRF ops will get called thus no need to check the type of the
master.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We can simplify do_vrf_add_slave by moving vrf_insert_slave in the end
of the enslaving and thus eliminate an error goto label. It always
succeeds and isn't needed before that anyway.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The upper/lower functions already check for duplicate slaves so no need
to do it again.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
It's pointless to panic on cache create failure when that case is handled
and even more so since it's not a kernel-wide fatal problem so don't
panic.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently whenever a packet different from ETH_P_IP is sent through the
VRF device it is leaked so plug the leaks and properly drop these
packets.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Acked-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When CONFIG_LWTUNNEL config is not enabled, the lwtstate_free() is not
declared in lwtunnel.h at all. However, even in this case, the function
is still referenced in fib_semantics.c so that there appears the
following sparse warnings:
net/ipv4/fib_semantics.c:553:17: error: undefined identifier 'lwtstate_free'
CC net/ipv4/fib_semantics.o
net/ipv4/fib_semantics.c: In function ‘fib_encap_match’:
net/ipv4/fib_semantics.c:553:3: error: implicit declaration of function ‘lwtstate_free’ [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors
make[1]: *** [net/ipv4/fib_semantics.o] Error 1
make: *** [net/ipv4/fib_semantics.o] Error 2
To eliminate the error, we define an empty function for lwtstate_free()
in lwtunnel.h when CONFIG_LWTUNNEL is disabled.
Fixes: df383e6240 ("lwtunnel: fix memory leak")
Cc: Jiri Benc <jbenc@redhat.com>
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Ying Xue <ying.xue@windriver.com>
Acked-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jeff Kirsher says:
====================
Intel Wired LAN Driver Updates 2015-08-18
This series contains updates to igb, e100, e1000e and ixgbe.
Shota Suzuki provides a fix for a possible overflow in
igb_set_interrupt_capability() which leads to an oops. When changing the
number of queues by "ethtool -L", set IGB_FLAG_QUEUE_PAIRS in the same
manner as when initializing the igb driver.
Vasily Averin provides a fix for a missing rtnl_unlock() for when we
error out due to not being able to allocate memory for our queues.
Stefan Assman provides a couple of fixes for igb/igbvf. First changes
the igb driver in probe to simply call igb_enable_sriov() instead of
igb_sriov_reinit() since we are starting from scratch. Then in igbvf,
fix the driver where it does not clear the buffer_info->dma in all
cases after calling dma_unmap_single(), which was found by changing the
MTU twice.
Richard Cochran implements the periodic output function using the
programmable clock outputs available in i210 when possible, falling
back to the target time for longer periods.
Todd adds support for the Marvell PHY 1512 which is required for i354
devices. Then updates igb to make sure SR-IOV init uses the correct
number of queues, since recent changes could result in the PF holding
onto all of the queues.
Alex Williamson provides a fix in the case where a guest OS does not
support hot-unplug, so disable SR-IOV prior to unregister_netdev() to
avoid the problem.
Jia-Ju Bai provides several patches, first knocks some collecting dust
off an old e100 driver to add a check to avoid a null pointer
dereference. Then cleans up a possible resource leak by releasing the
skb buffer allocated when the e100_xmit_prepare() runs into an issue
in the DMA mapping. In igb, add a missing rtnl_unlock() for when we
error out due to igb_sriov_reinit() in the igb_init_interrupt_scheme().
Provides a e1000e fix, based on suggestions from Alex Duyck to move
head/tail register writing to e1000_configure_tx/rx() to avoid a
possible null pointer dereference (similar to igb driver). Lastly,
fix a possible memory leak in igb_probe(), where the memory shadow_vfta
allocated by kcalloc in igb_sw_init() is not freed.
Mark simplifies port-specific macros for ixgbe by eliminating explicit
comparisons with 0 and enclose formal parameters in parens to eliminate
the risk of an operator precedence issue.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Nikolay Aleksandrov says:
====================
vrf: a few simplifications and cleanups
These patches remove some unnecessary checks (patches 3, 4), unnecessary
num_slaves member and refcnt manipulations which are already done by the
upper functions.
====================
Acked-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We can drop the check because if vrf_ptr is present then we must have
the vrf device as a master and since we're running with rtnl it can't go
away.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
dstats and rth are always present because we fail the device registration
if they can't be allocated in vrf_init() (ndo_init) so drop the unnecessary
checks.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
slave_queue has a num_slaves member which is unused, drop it.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
netdev_master_upper_dev_link/unlink already do a dev_hold/put on the
devices being linked, so no need to take another reference.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, two routes going through the same tunnel interface are considered
the same even when they are routed to a different host after encapsulation.
This causes all routes added after the first one to have incorrect
encapsulation parameters.
This is nicely visible by doing:
# ip r a 192.168.1.2/32 dev vxlan0 tunnel dst 10.0.0.2
# ip r a 192.168.1.3/32 dev vxlan0 tunnel dst 10.0.0.3
# ip r
[...]
192.168.1.2/32 tunnel id 0 src 0.0.0.0 dst 10.0.0.2 [...]
192.168.1.3/32 tunnel id 0 src 0.0.0.0 dst 10.0.0.2 [...]
Implement the missing comparison function.
Fixes: 3093fbe7ff ("route: Per route IP tunnel metadata via lightweight tunnel")
Signed-off-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The built lwtunnel_state struct has to be freed after comparison.
Fixes: 571e722676 ("ipv4: support for fib route lwtunnel encap attributes")
Signed-off-by: Jiri Benc <jbenc@redhat.com>
Acked-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
You can't use kstrtoul() with an int or it causes memory corruption.
Also j should be unsigned or we have underflow bugs.
I considered changing "j" to unsigned long but everything fits in a u32.
Fixes: 8e3d04fd7d ('cxgb4: Add MPS tracing support')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/built-in.o: In function `.vnic_wq_devcmd2_alloc':
(.text+0x49fe40): multiple definition of `.vnic_wq_devcmd2_alloc'
drivers/scsi/built-in.o:(.text+0xb4318): first defined here
drivers/net/built-in.o:(.opd+0x2af00): multiple definition of `vnic_wq_devcmd2_alloc'
drivers/scsi/built-in.o:(.opd+0xad70): first defined here
drivers/net/built-in.o: In function `.vnic_wq_init_start':
(.text+0x49f9c0): multiple definition of `.vnic_wq_init_start'
drivers/scsi/built-in.o:(.text+0xb3b58): first defined here
drivers/net/built-in.o:(.opd+0x2ae88): multiple definition of `vnic_wq_init_start'
drivers/scsi/built-in.o:(.opd+0xace0): first defined here
Rename these to 'enic_*' to avoid the conflict with the functiosn of
the same name in the snic scsi driver.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Latest FW submission added some vxlan offload capabilities to our device.
This patch adds the ability to connect to the vxlan NDOs and configure
the UDP port associated with it in the HW.
The device would now be capable of performing RSS according to the
inner headers of the vxlan packets.
Signed-off-by: Rajesh Borundia <Rajesh.Borundia@qlogic.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Andrew Lunn says:
====================
D in DSA patches
The D in DSA is distributed, meaning multiple switches can be
connected together. Currently no mainline system does this, and so the
code is broken. This patchset contains two fixes, and a small helper.
With three of more switches, the current device tree binding is not
sufficient to express the routing between the switches. The first
patch extends the binding, in a backwards compatible way, to allow a
link between a switch to describe all the switches accessible over the
link, not just the direct neighbor.
The third patch fixes the port configuration on newer devices for
links connecting switches.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Older devices only support a single DSA frame format, where as newer
devices have two. Take this into account when configuring a DSA port.
The port needs to be in plain old DSA mode, since this is a DSA link,
where as the newer format can be used for the CPU port.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add an inline helper for determining is a port is a DSA port.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
With more than two switches in a hierarchy, it becomes necessary to
describe multi-hop routes between switches. The current binding does
not allow this, although the older platform_data did. Extend the link
property to be a list rather than a single phandle to a remote switch.
It is then possible to express that a port should be used to reach
more than one switch and the switch maybe more than one hop away.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Simplify port-specific macros by eliminating explicit comparison
with 0. More importantly, enclose formal parameter in parens to
eliminate the risk of an operator precedence surprise.
Signed-off-by: Mark Rustad <mark.d.rustad@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Recent changes to igb_probe_vfs() could lead to the PF holding onto all
of the queues. Reorder igb_probe_vfs() to be before
gb_init_queue_configuration() and add some more error checking.
Signed-off-by: Todd Fujinaka <todd.fujinaka@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
In error handling code of igb_probe, the memory adapter->shadow_vfta
allocated by kcalloc in igb_sw_init is not freed. So when register_netdev
or igb_init_i2c is failed, a memory leak will occur.
This patch adds kfree to fix it.
Signed-off-by: Jia-Ju Bai <baijiaju1990@163.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
When e1000e_setup_rx_resources is failed in e1000_open,
e1000e_free_tx_resources in "err_setup_rx" segment is executed.
"writel(0, tx_ring->head)" statement in e1000_clean_tx_ring
in e1000e_free_tx_resources will cause a null poonter dereference(crash),
because "tx_ring->head" is only assigned in e1000_configure_tx
in e1000_configure, but it is after e1000e_setup_rx_resources.
This patch moves head/tail register writing to e1000_configure_tx/rx,
which can fix this problem. It is inspired by igb_configure_tx_ring
in the igb driver.
Specially, thank Alexander Duyck for his valuable suggestion.
Signed-off-by: Jia-Ju Bai <baijiaju1990@163.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
When igb_init_interrupt_scheme in igb_sriov_reinit is failed, the lock
acquired by rtnl_lock() is not released, which causes a deadlock.
This patch adds rtnl_unlock() in error handling to fix it.
Signed-off-by: Jia-Ju Bai <baijiaju1990@163.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
When pci_dma_mapping_error in e100_xmit_prepare is failed, the skb buffer
allocated by netdev_alloc_skb_ip_align in e100_rx_alloc_skb is not
released, which causes a possible resource leak.
This patch adds error handling code to fix it.
Signed-off-by: Jia-Ju Bai <baijiaju1990@163.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
The driver lacks the check of nic->cbs_pool after pci_pool_create
in e100_probe. When this function is failed, a null pointer dereference
occurs when pci_pool_alloc uses nic->cbs_pool in e100_alloc_cbs.
This patch adds a check and related error handling code to fix it.
Signed-off-by: Jia-Ju Bai <baijiaju1990@163.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
When the .remove() callback for a PF is called, SR-IOV support for the
device is disabled, which requires unbinding and removing the VFs.
The VFs may be in-use either by the host kernel or userspace, such as
assigned to a VM through vfio-pci. In this latter case, the VFs may
be removed either by shutting down the VM or hot-unplugging the
devices from the VM. Unfortunately in the case of a Windows 2012 R2
guest, hot-unplug is broken due to the ordering of the PF driver
teardown. Disabling SR-IOV prior to unregister_netdev() avoids this
issue.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Acked-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This patch adds support for Marvell PHY 1512 (required for I354).
Submitted by: Maciej Szwed <maciej.szwed@intel.com>
Signed-off-by: Todd Fujinaka <todd.fujinaka@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
In addition to interrupt driven target time output events, the i210
also has two programmable clock outputs. These clocks support periods
between 16 nanoseconds and 140 milliseconds. This patch implements
the periodic output function using the clock outputs when possible,
falling back to the target time for longer periods.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
During driver probing the following code path is triggered.
igb_probe
->igb_sw_init
->igb_probe_vfs
->igb_pci_enable_sriov
->igb_sriov_reinit
Doing the SR-IOV re-init is not necessary during probing since we're
starting from scratch. Here we can call igb_enable_sriov() right away.
Running igb_sriov_reinit() during igb_probe() also seems to cause
occasional packet loss on some onboard 82576 NICs. Reproduced on
Dell and HP servers with onboard 82576 NICs.
Example:
Intel Corporation 82576 Gigabit Network Connection [8086:10c9] (rev 01)
Subsystem: Dell Device [1028:0481]
Signed-off-by: Stefan Assmann <sassmann@kpanic.de>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
When initializing igb driver (e.g. 82576, I350), IGB_FLAG_QUEUE_PAIRS is
set if adapter->rss_queues exceeds half of max_rss_queues in
igb_init_queue_configuration().
On the other hand, IGB_FLAG_QUEUE_PAIRS is not set even if the number of
queues exceeds half of max_combined in igb_set_channels() when changing
the number of queues by "ethtool -L".
In this case, if numvecs is larger than MAX_MSIX_ENTRIES (10), the size
of adapter->msix_entries[], an overflow can occur in
igb_set_interrupt_capability(), which in turn leads to an oops.
Fix this problem as follows:
- When changing the number of queues by "ethtool -L", set
IGB_FLAG_QUEUE_PAIRS in the same way as initializing igb driver.
- When increasing the size of q_vector, reallocate it appropriately.
(With IGB_FLAG_QUEUE_PAIRS set, the size of q_vector gets larger.)
Another possible way to fix this problem is to cap the queues at its
initial number, which is the number of the initial online cpus. But this
is not the optimal way because we cannot increase queues when another
cpu becomes online.
Note that before commit cd14ef54d2 ("igb: Change to use statically
allocated array for MSIx entries"), this problem did not cause oops
but just made the number of queues become 1 because of entering msi_only
mode in igb_set_interrupt_capability().
Fixes: 907b783579 ("igb: Add ethtool support to configure number of channels")
CC: stable <stable@vger.kernel.org>
Signed-off-by: Shota Suzuki <suzuki_shota_t3@lab.ntt.co.jp>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
