| Age | Commit message (Collapse) | Author |
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As the VF infrastructure is supposed to offer backward/forward
compatibility, the various types associated with VF<->PF communication
should be aligned across all various platforms that support IOV
on our family of adapters.
This adds a couple of currently missing values, specifically aligning
the enum for the various TLVs possible in the communication between them.
It then adds the PF implementation for some of those missing VF requests.
This support isn't really necessary for the Linux VF as those VFs aren't
requiring it [at least today], but are required by VFs running on other
OSes. LRO is an example of one such configuration.
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Up to this point, VF and PF communication always originates from VF.
As a result, VF cannot be notified of any async changes, and specifically
cannot be informed of the current link state.
This introduces the bulletin board, the mechanism through which the PF
is going to communicate async notifications back to the VF. basically,
it's a well-defined structure agreed by both PF and VF which the VF would
continuously poll and into which the PF would DMA messages when needed.
[Bulletin board is actually allocated and communicated in previous patches
but never before used]
Based on the bulletin infrastructure, the VF can query its link status
and receive said async carrier changes.
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This adds sufficient changes to allow VFs l2-configuration flows to work.
While the fastpath of the VF and the PF are meant to be exactly the same,
the configuration of the VF is done by the PF.
This diverges all VF-related configuration flows that originate from a VF,
making them pass through the VF->PF channel and adding sufficient logic
on the PF side to support them.
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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While previous patches have already added the necessary logic to probe
VFs as well as enabling them in the HW, this patch adds the ability to
support VF FLR & SRIOV disable.
It then wraps both flows together into the first IOV callback to be
provided to the protocol driver - `configure'. This would later to be used
to enable and disable SRIOV in the adapter.
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This adds the qed VFs for the first time -
The vfs are limited functions, with a very different PCI bar structure
[when compared with PFs] to better impose the related security demands
associated with them.
This patch includes the logic neccesary to allow VFs to successfully probe
[without actually adding the ability to enable iov].
This includes diverging all the flows that would occur as part of the pci
probe of the driver, preventing VF from accessing registers/memories it
can't and instead utilize the VF->PF channel to query the PF for needed
information.
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Communication between VF and PF is based on a dedicated HW channel;
VF will prepare a messge, and by signaling the HW the PF would get a
notification of that message existance. The PF would then copy the
message, process it and DMA an answer back to the VF as a response.
The messages themselves are TLV-based - allowing easier backward/forward
compatibility.
This patch adds the infrastructure of the channel on the PF side -
starting with the arrival of the notification and ending with DMAing
the response back to the VF.
It also adds a dummy-response as reference, as it only lays the
groundwork of the communication; it doesn't really add support of any
actual messages.
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add support for a new Kconfig option for qed* driver which would allow
[eventually] the support in VFs.
This patch adds the necessary logic in the PF to learn about the possible
VFs it will have to support [Based on PCI configuration space and HW],
and prepare a database with an entry per-VF as infrastructure for future
interaction with said VFs.
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add detection and recovery code when the hardware returned opaque value
does not match the expected consumer index. Once the issue is detected,
we skip the processing of all RX and LRO/GRO packets. These completion
entries are discarded without sending the SKB to the stack and without
producing new buffers. The function will be reset from a workqueue.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is a rare hardware bug that can cause a bad opaque value in the RX
or TPA completion. When this happens, the hardware may have used the
same buffer twice for 2 rx packets. In addition, the driver will also
crash later using the bad opaque as the index into the ring.
The rx opaque value is predictable and is always monotonically increasing.
The workaround is to keep track of the expected next opaque value and
compare it with the one returned by hardware during RX and TPA start
completions. If they miscompare, we will not process any more RX and
TPA completions and exit NAPI. We will then schedule a workqueue to
reset the function.
This patch adds the logic to keep track of the next rx consumer index.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If qlcnic_fw_cmd_get_minidump_temp() fails then "fw_dump->tmpl_hdr" is
NULL or possibly freed. It can lead to an oops later.
Fixes: d01a6d3c8ae1 ('qlcnic: Add support to enable capability to extend minidump for iSCSI')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We turn the feature ON, only for servers with PCI BW < MAX LINK BW, as it
helps reducing PCI pressure on weak PCI slots, but it adds some software
overhead.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make the MPWQE/Striding RQ default configuration dynamic and not
statically set at compile time. Now at driver load we set
stride size and num strides dynamically.
By default we use same values as before, but when CQE compression
is enabled, we set larger stride size to benefit from CQE
compression for larger packets.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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CQE compression feature is meant to save PCIe bandwidth by
compressing few CQEs into smaller amount of bytes on PCIe.
CQE compression can be selectively enabled per CQ. By default
is disabled for now and will be enabled later on.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A switch can export an attached EEPROM using the standard ethtool API.
However the switch itself cannot determine the size of the EEPROM, and
multiple sizes are allowed. Thus a device tree property is supported
to indicate the length of the EEPROM. Parse this property during
device probe, and implement a callback function to retrieve it.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The dsa_switch structure contains a dsa_chip_data member called pd.
However in the rest of the code, pd is used for dsa_platform_data.
This is confusing. Rename it cd, which is already often used in dsa.c
and slave.c for this data type.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The switch drivers only use the master_dev member for dev_info()
messages. Now that the device is passed to the old style probe, and
new style drivers are probed as true linux drivers, this is no longer
needed.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Resetting the switch is something the driver does, not the framework.
So move the parsing of this property into the driver.
There are no in kernel users of this property, so moving it does not
break anything. There is however a board which will make use of this
property making its way into the kernel.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allow Marvell switches to be mdio devices. Currently the driver just
allocate the private structure and detects what device is on the
bus. Later patches will make them register with the DSA framework.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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All other DSA drivers use _drv_ in there DSA probe function name, thus
allowing for a true linux driver probe function to use the
conventional name. Make mv88e6xxx fit this pattern.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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By initialising immediately it, we don't run the danger of using it
before it is initialised.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some switch models have a STU (per VLAN port state database). Add a new
capability flag to switches info, instead of checking their family.
Also if the 6165 family has an STU, it must have a VTU, so add the
MV88E6XXX_FLAG_VTU to its family flags.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Both VTU and STU operations use the same routine to access their
(common) data registers, with a different offset.
Add VTU and STU specific read and write functions to the data registers
to abstract the required offset.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently the VRF driver uses the rx_handler to switch the skb device
to the VRF device. Switching the dev prior to the ip / ipv6 layer
means the VRF driver has to duplicate IP/IPv6 processing which adds
overhead and makes features such as retaining the ingress device index
more complicated than necessary.
This patch moves the hook to the L3 layer just after the first NF_HOOK
for PRE_ROUTING. This location makes exposing the original ingress device
trivial (next patch) and allows adding other NF_HOOKs to the VRF driver
in the future.
dev_queue_xmit_nit is exported so that the VRF driver can cycle the skb
with the switched device through the packet taps to maintain current
behavior (tcpdump can be used on either the vrf device or the enslaved
devices).
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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ath.git patches for 4.7. Major changes:
ath6kl
* add ability to set debug uart baud rate with a module parameter
wil6210
* add debugfs file to configure firmware led functionality
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In QCA4019, cycle counter wraparound in same fashion
as QCA988X. When the cycle counter wraparound it
resets to 0x7fffffff. Set has_shifted_cc_wraparound to
true for QCA4019 to enable the code path to handle cycle
counter wraparound for consistent survey report.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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In 10.4, fw sends WMI PEER_RATECODE_LIST_EVENTID after successful
peer_assoc cmd. As of now this event is not of much use and not
implemented. Change the debug level and messsage as appropriate
to suppress "Unknown eventid: 36898".
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Add the ability to configure the device led to be used for notifying
the AP activity (60G device supports leds 0-2).
The host can also configure the blinking frequency of the led in
three states.
Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Smatch complains that we cap the upper bound of "fwrq->m" but not the
lower bound. I don't know if it can actually happen but it's simple
enough to check for negatives.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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I'm not sure if this can underflow but Smatch complains. It seems
harmless to add a check for negatives.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Use dev_err instead of pr_err and add newline character at the end.
Signed-off-by: Wei-Ning Huang <wnhuang@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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rtl_pci_reset_trx_ring
We can't use kfree_skb in irq disable context, because spin_lock_irqsave
make sure we are always in irq disable context, use dev_kfree_skb_irq
instead of kfree_skb is better than dev_kfree_skb_any.
This patch fix below kernel warning:
[ 7612.095528] ------------[ cut here ]------------
[ 7612.095546] WARNING: CPU: 3 PID: 4460 at kernel/softirq.c:150 __local_bh_enable_ip+0x58/0x80()
[ 7612.095550] Modules linked in: rtl8723be x86_pkg_temp_thermal btcoexist rtl_pci rtlwifi rtl8723_common
[ 7612.095567] CPU: 3 PID: 4460 Comm: ifconfig Tainted: G W 4.4.0+ #4
[ 7612.095570] Hardware name: LENOVO 20DFA04FCD/20DFA04FCD, BIOS J5ET48WW (1.19 ) 08/27/2015
[ 7612.095574] 00000000 00000000 da37fc70 c12ce7c5 00000000 da37fca0 c104cc59 c19d4454
[ 7612.095584] 00000003 0000116c c19d4784 00000096 c10508a8 c10508a8 00000200 c1b42400
[ 7612.095594] f29be780 da37fcb0 c104ccad 00000009 00000000 da37fcbc c10508a8 f21f08b8
[ 7612.095604] Call Trace:
[ 7612.095614] [<c12ce7c5>] dump_stack+0x41/0x5c
[ 7612.095620] [<c104cc59>] warn_slowpath_common+0x89/0xc0
[ 7612.095628] [<c10508a8>] ? __local_bh_enable_ip+0x58/0x80
[ 7612.095634] [<c10508a8>] ? __local_bh_enable_ip+0x58/0x80
[ 7612.095640] [<c104ccad>] warn_slowpath_null+0x1d/0x20
[ 7612.095646] [<c10508a8>] __local_bh_enable_ip+0x58/0x80
[ 7612.095653] [<c16b7d34>] destroy_conntrack+0x64/0xa0
[ 7612.095660] [<c16b300f>] nf_conntrack_destroy+0xf/0x20
[ 7612.095665] [<c1677565>] skb_release_head_state+0x55/0xa0
[ 7612.095670] [<c16775bb>] skb_release_all+0xb/0x20
[ 7612.095674] [<c167760b>] __kfree_skb+0xb/0x60
[ 7612.095679] [<c16776f0>] kfree_skb+0x30/0x70
[ 7612.095686] [<f81b869d>] ? rtl_pci_reset_trx_ring+0x22d/0x370 [rtl_pci]
[ 7612.095692] [<f81b869d>] rtl_pci_reset_trx_ring+0x22d/0x370 [rtl_pci]
[ 7612.095698] [<f81b87f9>] rtl_pci_start+0x19/0x190 [rtl_pci]
[ 7612.095705] [<f81970e6>] rtl_op_start+0x56/0x90 [rtlwifi]
[ 7612.095712] [<c17e3f16>] drv_start+0x36/0xc0
[ 7612.095717] [<c17f5ab3>] ieee80211_do_open+0x2d3/0x890
[ 7612.095725] [<c16820fe>] ? call_netdevice_notifiers_info+0x2e/0x60
[ 7612.095730] [<c17f60bd>] ieee80211_open+0x4d/0x50
[ 7612.095736] [<c16891b3>] __dev_open+0xa3/0x130
[ 7612.095742] [<c183fa53>] ? _raw_spin_unlock_bh+0x13/0x20
[ 7612.095748] [<c1689499>] __dev_change_flags+0x89/0x140
[ 7612.095753] [<c127c70d>] ? selinux_capable+0xd/0x10
[ 7612.095759] [<c1689589>] dev_change_flags+0x29/0x60
[ 7612.095765] [<c1700b93>] devinet_ioctl+0x553/0x670
[ 7612.095772] [<c12db758>] ? _copy_to_user+0x28/0x40
[ 7612.095777] [<c17018b5>] inet_ioctl+0x85/0xb0
[ 7612.095783] [<c166e647>] sock_ioctl+0x67/0x260
[ 7612.095788] [<c166e5e0>] ? sock_fasync+0x80/0x80
[ 7612.095795] [<c115c99b>] do_vfs_ioctl+0x6b/0x550
[ 7612.095800] [<c127c812>] ? selinux_file_ioctl+0x102/0x1e0
[ 7612.095807] [<c10a8914>] ? timekeeping_suspend+0x294/0x320
[ 7612.095813] [<c10a256a>] ? __hrtimer_run_queues+0x14a/0x210
[ 7612.095820] [<c1276e24>] ? security_file_ioctl+0x34/0x50
[ 7612.095827] [<c115cef0>] SyS_ioctl+0x70/0x80
[ 7612.095832] [<c1001804>] do_fast_syscall_32+0x84/0x120
[ 7612.095839] [<c183ff91>] sysenter_past_esp+0x36/0x55
[ 7612.095844] ---[ end trace 97e9c637a20e8348 ]---
Signed-off-by: Wang YanQing <udknight@gmail.com>
Cc: Stable <stable@vger.kernel.org>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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rtl_lps_enter does two successive check for cnt_after_linked
to make sure some time has elapsed after linked. The second
check isn't necessary, because if cnt_after_linked is bigger
than 5, it is bigger than 2 of course!
This patch remove the second check code.
Signed-off-by: Wang YanQing <udknight@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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This adds support for the 4356-sdio wireless chip.
Signed-off-by: Christian Daudt <csd@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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What about if "rtlphy->pwrgroup_cnt" is 2? In that case we would use an
uninitialized "chnlgroup" variable and probably crash. Maybe that can't
happen for some reason which is not obvious but in that case this patch
is harmless.
Setting it to zero seems like a standard default in the surrounding code
so it's probably fine here as well.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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This header file is only needed for drivers binding to a PCI bridge
device allocated by drivers/pci/pcie/portdrv_core.c. The mwifiex driver
doesn't do that nor use any symbols defined in pcieport_if.h.
Cc: Amitkumar Karwar <akarwar@marvell.com>
Cc: Nishant Sarmukadam <nishants@marvell.com>
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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In commit a269913c52ad ("rtlwifi: Rework rtl_lps_leave() and
rtl_lps_enter() to use work queue"), the tests for enter/exit
power-save mode were inverted. With this change applied, the
wifi connection becomes much more stable.
Fixes: a269913c52ad ("rtlwifi: Rework rtl_lps_leave() and rtl_lps_enter() to use work queue")
Signed-off-by: Wang YanQing <udknight@gmail.com>
CC: Stable <stable@vger.kernel.org> [3.10+]
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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The rtl_intf_ops structures are never modified, so declare them as const.
Done with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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The commit fb724ed5c617 ("wlcore: Fix regression in
wlcore_set_partition()") fixed wl12xx functionality.
However, it reverted the support in fw logger
over sdio in wl18xx.
This patch reverts the changes made and also fixes
the original functionality issue introduced in wl12xx.
Fixes: fb724ed5c617 ("wlcore: Fix regression in wlcore_set_partition()")
Signed-off-by: Guy Mishol <guym@ti.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
* work for RX multiqueue continues (Sara);
* dynamic queue allocation work continues (Liad);
* add Luca as maintainer;
* a bunch of fixes and improvements all over;
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If phy was suspended and is starting, current driver always enable
phy's interrupts, if phy works in polling, phy can raise unexpected
interrupt which will not be handled, the interrupt will block system
enter suspend again. So interrupts should only be re-enabled if phy
works in interrupt.
Signed-off-by: Shaohui Xie <Shaohui.Xie@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The GTPv1 header flags indicate the presence of optional extensions
after this header. Refresh the pointer to the GTPv1 header as skb->head
might have be reallocated via pskb_may_pull().
Fixes: 459aa660eb1d ("gtp: add initial driver for datapath of GPRS Tunneling Protocol (GTP-U)")
Reported-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Small change to make it clear that the default value is false.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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When initializing RX we grab NIC access for every read and
write. This is redundant - we can just grab access once.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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The RX queues have a shadow register for the write pointer
that enables updates without grabbing NIC access. Use them
instead of the periphery registers because accessing those
is much more expensive.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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In non-shared queues, DQA requires re-configuring existing
queues to become aggregated rather than allocating a new
one. It also requires "un-aggregating" an existing queue
when aggregations are turned off.
Support this requirement for non-shared queues.
Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Since msleep is based on jiffies, it can sleep for a long time.
Use usleep_range() instead to shorten the maximum time.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Newer hardware generations will take longer to be accessible again
after reset, so we need to wait longer before continuing any flow
that did a reset.
Rather than make the wait time configurable, simply extend it for
all.
Since all of these code paths can sleep, use usleep_range() rather
than mdelay().
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Devices supporting VHT 160MHz width are supporting also Short GI.
Turn on this capability in vht cap.
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Since we have a lot of configuration structs (almost 70) saving
some memory in each one of them leads to an overall saving of
~2.6KiB of memory.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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The commit below added code to dump the content of FIFOs
that are present only on dual CPU products (8000 and up).
This broke 7265D whose firmware does advertise
IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG but doesn't have 2
CPUs. The current code does check the length of the FIFO
before dumping them (and the nonexistent FIFO has a 0
length), but we still accessed a register to set the FIFO
number and that made the DMA unhappy.
The impact was a much longer recovery upon firmware assert.
Fixes: 5b086414293f ("iwlwifi: mvm: support dumping UMAC internal txfifos")
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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