When setting up CRC offload set ip_summed to CHECKSUM_PARTIAL
instead of CHECKSUM_UNNECESSARY. This is consistent with the
definition of CHECKSUM_PARTIAL.
The only driver that seems to be advertising NETIF_F_FCOE_CRC is
ixgbe. AFICT the driver does not look at ip_summed for FCOE and
just assumes that CRC is being offloaded.
Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The SCTP checksum is really a CRC and is very different from the
standards 1's complement checksum that serves as the checksum
for IP protocols. This offload interface is also very different.
Rename NETIF_F_SCTP_CSUM to NETIF_F_SCTP_CRC to highlight these
differences. The term CSUM should be reserved in the stack to refer
to the standard 1's complement IP checksum.
Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Same thing as skb_transport_offset but returns the offset of the inner
transport header (when skb->encpasulation is set).
Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
commit db0fa0cb01 "scatterlist: use sg_phys()" did replacements of
the form:
phys_addr_t phys = page_to_phys(sg_page(s));
phys_addr_t phys = sg_phys(s) & PAGE_MASK;
However, this breaks platforms where sizeof(phys_addr_t) >
sizeof(unsigned long). Revert for 4.3 and 4.4 to make room for a
combined helper in 4.5.
Cc: <stable@vger.kernel.org>
Cc: Jens Axboe <axboe@fb.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Fixes: db0fa0cb01 ("scatterlist: use sg_phys()")
Suggested-by: Joerg Roedel <joro@8bytes.org>
Reported-by: Vitaly Lavrov <vel21ripn@gmail.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
msg_iocb needs to be initialized on the recv/recvfrom path.
Otherwise afalg will wrongly interpret it as an async call.
Cc: stable@vger.kernel.org
Reported-by: Harald Freudenberger <freude@linux.vnet.ibm.com>
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This has fixes spread thru driver, notably among them
- edma fixes for recent edma DT changes which went into 4.4
- odd fixes for at_hdmac
- minor fixes on bc dma and mic dma
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Merge tag 'dmaengine-fix-4.4-rc6' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine fixes from Vinod Koul:
"This has fixes spread thru driver, notably among them:
- edma fixes for recent edma DT changes which went into 4.4
- odd fixes for at_hdmac
- minor fixes on bc dma and mic dma"
* tag 'dmaengine-fix-4.4-rc6' of git://git.infradead.org/users/vkoul/slave-dma:
dmaengine: at_xdmac: fix at_xdmac_prep_dma_memcpy()
dmaengine: edma: DT: Change reserved slot array from 16bit to 32bit type
dmaengine: edma: DT: Change memcpy channel array from 16bit to 32bit type
dmaengine: mic_x100: add missing spin_unlock
dmaengine: bcm2835-dma: Convert to use DMA pool
dmaengine: at_xdmac: fix bad behavior in interleaved mode
dmaengine: at_xdmac: fix false condition for memset_sg transfers
dmaengine: at_xdmac: fix macro typo
* OMAP: fix analog tv-out when using omapdrm
* fsl: Fix kernel crash when diu_ops is not implemented
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Merge tag 'fbdev-fixes-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux
Pull two fbdev fixes from Tomi Valkeinen:
- OMAP: fix analog tv-out when using omapdrm
- fsl: Fix kernel crash when diu_ops is not implemented
* tag 'fbdev-fixes-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux:
OMAPDSS: fix timings for VENC to match what omapdrm expects
video: fbdev: fsl: Fix kernel crash when diu_ops is not implemented
Stas Nichiporovich reported a regression in his HFSC qdisc setup
on a non multi queue device.
It turns out I mistakenly added a TCQ_F_NOPARENT flag on all qdisc
allocated in qdisc_create() for non multi queue devices, which was
rather buggy. I was clearly mislead by the TCQ_F_ONETXQUEUE that is
also set here for no good reason, since it only matters for the root
qdisc.
Fixes: 4eaf3b84f2 ("net_sched: fix qdisc_tree_decrease_qlen() races")
Reported-by: Stas Nichiporovich <stasn77@gmail.com>
Tested-by: Stas Nichiporovich <stasn77@gmail.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Paul Bolle says:
====================
ser_gigaset: fix deallocation of platform device structure
Sascha Levin reported that the syzkaller fuzzer triggered a WARNING in
ser_gigaset (see https://lkml.kernel.org/g/56587467.8050102@oracle.com ). It
turned out that ser_gigaset has always deallocated its platform device
structure incorrectly. Tilman submitted the patch that fixes that (3/4) and a
related cleanup (4/4).
Tilman also submitted a minor cleanup of some NULL checks (1/4) that prompted
Alan to turn those checks into WARN_ONs (2/4). If no one hits these WARN_ONs in
the next couple of releases these WARN_ONs should be removed.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
device->platform_data and platform_device->resource are never used
and remain NULL through their entire life. Drops the kfree() calls
for them from the device release method.
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: David S. Miller <davem@davemloft.net>
When shutting down the device, the struct ser_cardstate must not be
kfree()d immediately after the call to platform_device_unregister()
since the embedded struct platform_device is still in use.
Move the kfree() call to the release method instead.
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Fixes: 2869b23e4b ("drivers/isdn/gigaset: new M101 driver (v2)")
Reported-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: David S. Miller <davem@davemloft.net>
These checks do nothing useful to protect the code from races. On the
other hand if the old code has been masking a real bug we would like to
know about it.
The check for tiocmset is kept because it is valid for a tty driver to
have a NULL tiocmset method. That in itself is probably a mistake given
modern coding practices - but needs fixing in the tty layer.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Acked-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit f34d7a5b70 ("tty: The big operations rework") changed
tty->driver to tty->ops but left NULL checks for tty->driver untouched.
Fix.
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
[pebolle: removed Fixes tag]
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull crypto fix from Herbert Xu:
"This fixes a boundary condition in the blkcipher SG walking code that
can lead to a crash when used with the new chacha20 algorithm"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: skcipher - Copy iv from desc even for 0-len walks
Pavel Machek reports a warning about W+X pages found in the "Persisent"
kmap area. After grepping for it (using the correct spelling), and not
finding it, I noticed how the debug printk was just misspelled. Fix it.
The actual mapping bug that Pavel reported is still open. It's
apparently a separate issue from the known EFI page tables, looks like
it's related to the HIGHMEM mappings.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The problem here is that at the end of the loop we test for if
idc->vnic_wait_limit is zero, but since idc->vnic_wait_limit-- is a
post-op, it actually ends up set to (u8)-1. I have fixed this by
moving the decrement inside the loop.
Fixes: 486a5bc77a ('qlcnic: Add support for 83xx suspend and resume.')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We test for if "tries" is zero at the end but "tries--" is a post-op so
it will end with "tries" set to -1. I have changed it to a pre-op
instead.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The problem here is that after the loop we test for "if (!i) " but
because "i--" is a post-op we exit with i set to -1. I have fixed this
by changing it to a pre-op instead. I had to change the starting value
from 3 to 4 so that we still iterate 3 times.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds support of the fixed PHY.
This patch is based on commit 87009814cd ("ucc_geth: use the new fixed
PHY helpers").
Signed-off-by: Kazuya Mizuguchi <kazuya.mizuguchi.ks@renesas.com>
Signed-off-by: Yoshihiro Kaneko <ykaneko0929@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
At the end of the loop we test "if (!count)" but because "count--" is
a post-op then the loop will end with count set to -1. I have fixed
this by changing it to --count.
Fixes: c5aa9e3b81 ('amd-xgbe: Initial AMD 10GbE platform driver')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
There are two issue here.
1) cnt starts as maxloop + 1 so all these loops iterate one more time
than intended.
2) At the end of the loop we test for "if (maxloop && !cnt)" but for
the first two loops, we end with cnt equal to -1. Changing this to
a pre-op means we end with cnt set to 0.
Fixes: cae86d4a4e ('mISDN: Add driver for Infineon ISDN chipset family')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ido Schimmel says:
====================
This patchset introduces support for the offloading of 802.1D bridges
between VLAN devices. These can either be VLAN devices configured on top
of the physical ports or on top of LAG devices.
Patches 1-2 deal with the necessary infrastructure changes needed in order
to enable the above. The main change is that switchdev drivers can now know
the device from which the switchdev op originated from.
Patches 3-10 lay the groundwork for 802.1D bridges support in the mlxsw
driver, with patch 4 doing most of the heavy lifting.
Patch 11 finally offloads these bridges to hardware by listening to the
notifications sent when the VLAN device joins or leaves a bridge. It is
very similar to the already existing 802.1Q bridge we support.
Patches 12-14 add minor modifications to allow one to bridge a VLAN device
configured on top of LAG.
====================
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When creating a VLAN device on top of LAG, we are basically creating a
vPort on top of each of the port netdevs member in the LAG. Therefore,
these vPorts should inherit both the LAG status and LAG ID from the
underlying port netdevs.
In addition, when the VLAN device joins or leaves a bridge each of the
underlying vPorts should know about it and act accordingly. This is
achieved by propagating the VLAN event down to the lower devices.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When adding or removing FDB records of VLAN devices on top of LAG we
should set the lag_vid parameter to the VLAN ID of the VLAN device. It
is reserved otherwise.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Unicast LAG records in the Switch Filtering Database (SFD) register have
a lag_vid field indicating the VLAN ID in case of vFIDs. This field is
no longer reserved since we are going to add support for VLAN devices on
top of LAG.
Add the lag_vid field to be used by VLAN devies on top of LAG.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
All the member VLAN devices in a bridge need to share the same vFID.
To achieve that, expand the vFID struct to include the associated bridge
device (or lack of) and allow one to lookup a vFID based on a bridge
device.
When joining a bridge, lookup the relevant vFID or create one if none
exists. Next, make the VLAN device use the vFID.
Leaving a bridge can either occur because a user removed the VLAN device
from a bridge or because the VLAN device was deleted by the user. In the
latter case the bridge's teardown sequence is invoked after the hardware
vPort is already gone. Therefore, when unlinking the VLAN device from
the real device, check if the associated vPort is bridged and act
accordingly. The bridge's notification will be ignored in this case.
Note that bridging a VLAN interface with an ordinary port netdev is
currently not supported, but not forbidden. This will be addressed in a
follow-up patchset.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When a VLAN interface is configured on top of a physical port we should
associate the VLAN device with the matching vPort. Likewise, when it's
removed, we should revert back to the underlying port netdev.
While not a must, this is consistent with port netdevs and also provides
a more accurate error printing via netdev_err() and friends.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
FDB notifications contain the FID and port (or LAG ID) on which the MAC
was learned. In the case of the 802.1Q bridge one can easily derive the
matching VID - as FID equals VID - and generate the appropriate
notification for the software bridge. With VLAN devices this is no
longer the case, as these are associated with a vFID.
Solve that by converting the FID to a vFID and lookup the matching VLAN
device. From that derive the VID and whether learning (and learning
sync) should occur.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
switchdev ops can now be called for VLAN devices and we need to be
prepared for it. Until now they were only called for the port netdev.
Use the newly propagated orig_dev passed as part of the switchdev
attr/obj and determine whether the original device is a VLAN device. If
so, act accordingly, otherwise continue as usual.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In the Spectrum ASIC - unlike SwitchX-2 - FDB access is done by
specifying FID as parameter and not VID.
Change the relevant variables and parameters names to reflect that.
Note that this was OK up until now, since FID was always equal to VID,
but with the introduction of VLAN interfaces this is no longer the case.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We previously used only one flood table for packets classified to vFIDs.
However, since we are going to add support for bridges between VLAN
interfaces (mapped to vFIDs) we need to add one more flood table.
That way we can separate the flooding domain of unknown unicast traffic
from all the rest and support flood control (as we do with the 802.1Q
bridge).
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The __mlxsw_sp_port_flood_set function is now used to configure flooding
for both FIDs and vFIDs, so change the parameter name to 'idx' instead
of 'fid'. This is also consistent with hardware documentation.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Up until now we used a 1:1 mapping - based on VID - to map a VLAN
interface to a vFID. However, a different scheme is needed in order to
support bridges between VLAN interfaces, as all the member interfaces -
which can have different VIDs - need to share the same vFID.
Solve that by splitting the vFID range in two:
1. Non-bridged VLAN interfaces
2. Bridged VLAN interfaces
When a VLAN interface is created, assign it the next available vFID in
the first range, unless one already exists for that VID or number of
vFIDs in the range was exceeded. When interface is removed, free the
vFID, unless other interfaces are mapped to it.
To accomplish the above:
1. Store the VID to vFID mapping in a new struct (mlxsw_sp_vfid), which
has a global context and holds a reference count.
2. Create a vPort (dummy in case of bridge SELF invocation) on top of
of the physical port and hold a reference to the associated vFID.
vfid vfid
+-------------+ +-------------+
| vfid | | vfid |
| vid +---> ... | vid |
| nr_vports | | nr_vports |
+------+------+ +------+------+
|
+-----------------------+-------+
| |
vport vport
+-------------+ +-------------+
| ... | | ... |
| *vfid +---> ... | *vfid +---> ...
| ... | | ... |
+------+------+ +------+------+
| |
port port
+-------------+ +-------------+
| ... | | ... |
| vports_list | | vports_list |
| ... | | ... |
+-------------+ +-------------+
swXpY swXpZ
Next patches in the series will add the missing infrastructure for the
second range and transfer vPorts between the two ranges according to the
received notifications.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When adding support for bridges between VLAN interfaces, we'll introduce
a new entity called a vPort, which is a represntation of the VLAN
interface in the hardware.
The main difference between a vPort and a physical port is that several
FIDs can be bound to the latter, whereas only one (called a vFID) can be
bound to the first.
Therefore, it makes sense to use the same struct to represent the two,
but to only allocate the 'active_vlans' bitmap in case of a physical
port.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
switchdev drivers need to know the netdev on which the switchdev op was
invoked. For example, the STP state of a VLAN interface configured on top
of a port can change while being member in a bridge. In this case, the
underlying driver should only change the STP state of that particular
VLAN and not of all the VLANs configured on the port.
However, current switchdev infrastructure only passes the port netdev down
to the driver. Solve that by passing the original device down to the
driver as part of the required switchdev object / attribute.
This doesn't entail any change in current switchdev drivers. It simply
enables those supporting stacked devices to know the originating device
and act accordingly.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We need to be able to propagate static FDB entries and certain bridge
port attributes (e.g. learning, flooding) down to the port netdev
driver when bridge port is a VLAN interface.
Achieve that by setting ndo_bridge* and ndo_fdb* in vlan_netdev_ops to
the corresponding switchdev_port* functions. This is consistent with
team and bond devices.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The function can return negative values, so its result should
be assigned to signed variable.
The problem has been detected using proposed semantic patch
scripts/coccinelle/tests/assign_signed_to_unsigned.cocci [1].
[1]: http://permalink.gmane.org/gmane.linux.kernel/2046107
Fixes: fc48866f7 ('net/mlx4: Adapt code for N-Port VF')
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Acked-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jeff Kirsher says:
====================
1GbE Intel Wired LAN Driver Updates 2015-12-14
This series contains updates to e1000e and igb.
Alex Duyck changes e1000_up() to void since it always returned 0, also
by making it void, we can drop some code since we no longer have to worry
about non-zero return values.
Aaron Sierra removes GS40G specific defines and functions since the i210
internal PHY can be accessed with the access functions shared by 82580,
i350 and i354 devices. Also removes the code to add the PHY address into
the PCDL register address, since there is no real reason to do so.
Joe updates the cable length function reports all four pairs true min, max
and average cable length for i210. Also updated ethtool to use enum-based
labels instead of hard coded values.
Benjamin Poirier cleans up code that is never reachable since MSI-X
interrupts are not shared in e1000e. Also removes the ICR read in the
other interrupt handler, since the information is not needed and IMS is
configured such that the only link status change can trigger the other
interrupt handler. Fixed in MSI-X mode, there is no handler for the LSC
interrupt so there is no point in writing that to ICS now that we always
assume other interrupts are caused by LSC.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Since the function applies a threshold and also slightly worse
values are accepted, ''equal or better'' does not represent the
intention of the function. ''Similar or better'' represents that better.
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
An AP can send an operating channel width change in a beacon
opmode notification IE as long as there's a change in the nss as
well (See 802.11ac-2013 section 10.41).
So don't limit updating to nss only from an opmode notification IE.
Signed-off-by: Eyal Shapira <eyalx.shapira@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When the AP is advertising limited TX power, the message can be
printed over and over again. Suppress it when the power level
isn't changing.
This fixes https://bugzilla.kernel.org/show_bug.cgi?id=106011
Signed-off-by: Johannes Berg <johannes.berg@intel.com>