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Revert commit 820da5357572 ("l2tp: fix missing print session offset
info"). The peer_offset parameter is removed.
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Revert commit f15bc54eeecd ("l2tp: add peer_offset parameter"). This
is removed because it is adding another configurable offset and
configurable offsets are being removed.
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The uplink_rpriv variable was added at the start of the function but
only used inside of an #ifdef:
drivers/net/ethernet/mellanox/mlx5/core/en_tc.c: In function 'mlx5e_route_lookup_ipv6':
drivers/net/ethernet/mellanox/mlx5/core/en_tc.c:1549:25: error: unused variable 'uplink_rpriv' [-Werror=unused-variable]
This moves the declaration into that #ifdef as well.
Fixes: 5ed99fb421d4 ("net/mlx5e: Move ethernet representors data into separate struct")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Johannes Berg says:
====================
We have things all over the place, no point listing them.
One thing is notable: I applied two patches and later
reverted them - we'll get back to that once all the driver
situation is sorted out.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Instead of calling ieee80211_recalc_txpower on monitor interfaces
directly, call it using the virtual monitor interface, if one exists.
In case of a single monitor interface given, reject setting TX power,
if no virtual monitor interface exists.
That being checked, don't warn in ieee80211_bss_info_change_notify,
after setting TX power on a monitor interface.
Fixes warning:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2193 at net/mac80211/driver-ops.h:167
ieee80211_bss_info_change_notify+0x111/0x190 Modules linked in: uvcvideo
videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_core
rndis_host cdc_ether usbnet mii tp_smapi(O) thinkpad_ec(O) ohci_hcd vboxpci(O)
vboxnetadp(O) vboxnetflt(O) v boxdrv(O) x86_pkg_temp_thermal kvm_intel kvm
irqbypass iwldvm iwlwifi ehci_pci ehci_hcd tpm_tis tpm_tis_core tpm CPU: 0
PID: 2193 Comm: iw Tainted: G O 4.12.12-gentoo #2 task:
ffff880186fd5cc0 task.stack: ffffc90001b54000 RIP:
0010:ieee80211_bss_info_change_notify+0x111/0x190 RSP: 0018:ffffc90001b57a10
EFLAGS: 00010246 RAX: 0000000000000006 RBX: ffff8801052ce840 RCX:
0000000000000064 RDX: 00000000fffffffc RSI: 0000000000040000 RDI:
ffff8801052ce840 RBP: ffffc90001b57a38 R08: 0000000000000062 R09:
0000000000000000 R10: ffff8802144b5000 R11: ffff880049dc4614 R12:
0000000000040000 R13: 0000000000000064 R14: ffff8802105f0760 R15:
ffffc90001b57b48 FS: 00007f92644b4580(0000) GS:ffff88021e200000(0000)
knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9263c109f0 CR3: 00000001df850000 CR4: 00000000000406f0
Call Trace:
ieee80211_recalc_txpower+0x33/0x40
ieee80211_set_tx_power+0x40/0x180
nl80211_set_wiphy+0x32e/0x950
Reported-by: Peter Große <pegro@friiks.de>
Signed-off-by: Peter Große <pegro@friiks.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This commit enhances the scan results to report the per chain signal
strength based on the latest BSS update. This provides similar
information to what is already available through STA information.
Signed-off-by: Sunil Dutt <usdutt@qti.qualcomm.com>
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Send disconnection reason code to user space even if it's locally
generated, since some tests that check reason code may fail because of
the current behavior.
Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This reverts commit e937b8da5a591f141fe41aa48a2e898df9888c95.
Turns out that a new driver (mt76) is coming in through
Kalle's tree, and will conflict with this. It also has some
conflicting requirements, so we'll revisit this later.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This reverts commit b0d52ad821843a6c5badebd80feef9f871904fa6.
We need to revert the TXQ scheduling API due to conflicts
with a new driver, and this depends on that API.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This adds airtime accounting and scheduling to the mac80211 TXQ
scheduler. A new hardware flag, AIRTIME_ACCOUNTING, is added that
drivers can set if they support reporting airtime usage of
transmissions. When this flag is set, mac80211 will expect the actual
airtime usage to be reported in the tx_time and rx_time fields of the
respective status structs.
When airtime information is present, mac80211 will schedule TXQs
(through ieee80211_next_txq()) in a way that enforces airtime fairness
between active stations. This scheduling works the same way as the ath9k
in-driver airtime fairness scheduling.
Signed-off-by: Toke Høiland-Jørgensen <toke@toke.dk>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This adds an API to mac80211 to handle scheduling of TXQs and changes the
interface between driver and mac80211 for TXQ handling as follows:
- The wake_tx_queue callback interface no longer includes the TXQ. Instead,
the driver is expected to retrieve that from ieee80211_next_txq()
- Two new mac80211 functions are added: ieee80211_next_txq() and
ieee80211_schedule_txq(). The former returns the next TXQ that should be
scheduled, and is how the driver gets a queue to pull packets from. The
latter is called internally by mac80211 to start scheduling a queue, and
the driver is supposed to call it to re-schedule the TXQ after it is
finished pulling packets from it (unless the queue emptied).
The ath9k and ath10k drivers are changed to use the new API.
Signed-off-by: Toke Høiland-Jørgensen <toke@toke.dk>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add a key flag to indicates that the device only needs
MIC space and not a real MIC.
In such cases, keep the MIC zeroed for ease of debug.
Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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While the change between 802.11-2012 and 802.11-2016 to move from
requiring APs to set the two top bits to now requiring them to be
cleared was apparently unintentional and will be fixed, clients
should either way assume that the top five bits are reserved and
ignore them.
Implement that in mac80211.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This mostly serves as an example for how to add error strings
and erroneous attribute pointers.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Both cfg80211_rx_mgmt and cfg80211_report_obss_beacon functions send
reports to userspace using NL80211_ATTR_RX_SIGNAL_DBM attribute w/o
any processing of their input signal values. Which means that in
order to match userspace tools expectations, input signal values
for those functions are supposed to be in dBm units.
This patch cleans up comments, variable names, and trace reports
for those functions, replacing confusing 'mBm' by 'dBm'.
Signed-off-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add support for drivers that implement static WEP internally for IBSS.
Add the WEP keys to the IBSS params struct, that will allow the driver
to use the keys in the join flow, and not only after the connection.
Signed-off-by: Tova Mussai <tova.mussai@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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In the ieee80211_setup_sdata() we check if the interface type is valid
and, if not, call BUG(). This should never happen, but if there is
something wrong with the code, it will not be caught until the bug
happens when an interface is being set up. Calling BUG() is too
extreme for this and a WARN_ON() would be better used instead. Change
that.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Currently the restart flow enables RX back, and then proceeds
to tear down RX and TX aggregations.
The TX aggregation tear down calls synchronize_net(), which
waits for packet receiving to be done.
This is done for every session, while RX processing is already
active, and in some reproductions it takes up to 3 seconds.
Add a call once in the restart_work, before we have traffic
active again, and remove the subsequent calls when tearing
down the aggregation.
This requires to move down the code that turns off the
reconfig flag in order to be able to test it in
_ieee80211_stop_tx_ba_session().
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The 2016 version of the spec is more generic about when the
AP should update the power management state of the peer:
the AP shall update the state based on any management or
data frames. This means that even non-bufferable management
frames should be looked at to update to maintain the power
management state of the peer.
This can avoid problematic cases for example if a station
disappears while being asleep and then re-appears. The AP
would remember it as in power save, but the Authentication
frame couldn't be used to set the peer as awake again.
Note that this issues wasn't really critical since at some
point (after the association) we would have removed the
station and created another one with all the states cleared.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Enforce using PS_MANUAL_POLL in ps hwsim debugfs to trigger a poll,
only if PS_ENABLED was set before.
This is required due to commit c9491367b759 ("mac80211: always update the
PM state of a peer on MGMT / DATA frames") that enforces the ap to
check only mgmt/data frames ps bit, and then update station's power save
accordingly.
When sending only ps-poll (control frame) the ap will not be aware that
the station entered power save.
Setting ps enable before triggering ps_poll, will send NDP with PM bit
enabled first.
Signed-off-by: Adiel Aloni <adiel.aloni@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The function is only used with the file, so make it static.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Allow drivers to set the buffer station extended capability
for TDLS links, with a new hardware flag indicating this.
Signed-off-by: Yingying Tang <yintang@qti.qualcomm.com>
[change commit log/documentation wording]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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There's no need to re-lookup the data structures now that
we actually get them immediately with from_timer(), just
avoid that. The struct has to be valid anyway, otherwise
the timer object itself would no longer be valid, and we
can't have a different version of the struct since only a
single session per TID is permitted.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.
Notice that in some cases I replaced "fall through on else" and
"otherwise fall through" comments with just a "fall through" comment,
which is what GCC is expecting to find.
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This patch adds the support for Macronix NVRAM
Signed-off-by: Prashant Sreedharan <prashant.sreedharan@broadcom.com>
Signed-off-by: Satish Baddipadige <satish.baddipadige@broadcom.com>
Reviewed-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Egil Hjelmeland says:
====================
net: dsa: lan9303: phy_addr_sel_strap rename and retype
Non functional cleanups involving chip->phy_addr_sel_strap.
As promised in https://lkml.org/lkml/2017/11/6/273
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify calculation of chip->phy_addr_base in lan9303_detect_phy_setup().
Use GENMASK to calculate phys_mii_mask from LAN9303_NUM_PORTS and
phy_addr_base.
Signed-off-by: Egil Hjelmeland <privat@egil-hjelmeland.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
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chip->phy_addr_sel_strap is declared as a bool, but is also used as an
integer address base.
Rename 'phy_addr_sel_strap' to 'phy_addr_base', and change type to int.
Signed-off-by: Egil Hjelmeland <privat@egil-hjelmeland.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Jakub Kicinski says:
====================
nfp: flower: repr link state
Dirk says:
This series provides two updates towards the link state of reprs in
the flower nfp app.
Patch #1 improves the way link state is reported for reprs. Instead of
starting with an assumed 'UP' state, always assume the link state is
'DOWN' and then modify this only on events received from firmware.
Patch #2 adds a new nfp_app hook, repr_preclean. This callback is
executed before reprs are removed from the app context and is executed
per repr.
Patch #3 implements the new REIFY control message, used to indicate
when reprs are created and destroyed. Firmware uses these messages
to prevent communication about any particular port when the driver
doesn't know about the repr yet or anymore.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The PORT_REIFY message indicates whether reprs have been created or
when they are about to be destroyed. This is necessary so firmware
can know which state the driver is in, e.g. the firmware will not send
any control messages related to ports when the reprs are destroyed.
This prevents nuisance warning messages printed whenever the firmware
sends updates for non-existent reprs.
Signed-off-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Just before a repr is cleaned up, we give the app a chance to perform
some preclean configuration while the reprs pointer is still configured
for the app.
Signed-off-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Instead of starting up reprs assuming that there is link, only respond
to the link state reported by firmware.
Furthermore, ensure link is down after repr netdevs are created.
Signed-off-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Ethernet switch on the MDIO bus have historically performed their own
handling of the GPIO reset line. The resent patch to have the MDIO
core handle the reset has broken the switch drivers, in that they
cannot claim the GPIO. Some switch drivers need more control over the
GPIO line than what the MDIO core provides. So restore the historical
behaviour by only performing a reset of PHYs, not switches.
Fixes: bafbdd527d56 ("phylib: Add device reset GPIO support")
Reported-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Russell King says:
====================
Resolve races in phy accessors
This series resolves races with various accesses to PHY registers.
The first five patches are necessary before we add phylink support
to mvneta, the remaining three are merely cleanups for unobserved
races, and hence are less critical.
There are two possible classes of races that can occur: where we
write to a page register that changes the meaning of a group of
other registers, and where we read-modify-write a register.
Resolve these races by performing the accesses under the mdio bus
lock, ensuring that no other user can access the bus while the
series of atomic operations are being performed.
These patches have been posted before, and have been modified
along the lines of previous feedback:
- The third patch was originally reviewed by Florian, but as I've
added __phy_modify() to it, I've removed that attributation.
- Included generic page-based accessors as suggested last time
around.
- Since we have the unlocked __phy_modify() in this patch series,
it is sensible to include the changes for this to marvell.c -
these accessors have to change anyway to avoid deadlocks on the
mdio bus lock.
I haven't been able to test the at803x.c changes yet beyond compile
testing - although I do have systems with an ar8035 PHY. However,
they should be straight forward to review.
This is targetted for net-next because the races have not been
found in existing drivers, but have been observed with phylink
integrated into mvneta - that's not to say that the races do not
exist today, they are just unobserved (probably through lack of
rigorous enough testing.) The race provoking condition is detailed
in patch 5.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert read-modify-write sequences in at803x, Marvell and core phylib
to use phy_modify() to ensure safety.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add phy_modify() convenience accessor to complement the mdiobus
counterpart.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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For paged accesses to be truely safe, we need to hold the bus lock to
prevent anyone else gaining access to the registers while we modify
them.
The phydev->lock mutex does not do this: userspace via the MII ioctl
can still sneak in and read or write any register while we are on a
different page, and the suspend/resume methods can be called by a
thread different to the thread polling the phy status.
Races have been observed with mvneta on SolidRun Clearfog with phylink,
particularly between the phylib worker reading the PHYs status, and
the thread resuming mvneta, calling phy_start() which then calls
through to m88e1121_config_aneg_rgmii_delays(), which tries to
read-modify-write the MSCR register:
CPU0 CPU1
marvell_read_status_page()
marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE)
...
m88e1121_config_aneg_rgmii_delays()
set_page(MII_MARVELL_MSCR_PAGE)
phy_read(phydev, MII_88E1121_PHY_MSCR_REG)
marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
...
phy_write(phydev, MII_88E1121_PHY_MSCR_REG)
The result of this is we end up writing the copper page register 21,
which causes the copper PHY to be disabled, and the link partner sees
the link immediately go down.
Solve this by taking the bus lock instead of the PHY lock, thereby
preventing other accesses to the PHY while we are accessing other PHY
pages.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a set of paged phy register accessors which are inherently safe in
their design against other accesses interfering with the paged access.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add unlocked versions of the bus accessors, which allows access to the
bus with all the tracing. These accessors validate that the bus mutex
is held, which is a basic requirement for all mii bus accesses.
Also added is a read-modify-write unlocked accessor with the same
locking requirements.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use unlocked accessors for indirect MMD accesses to clause 22 PHYs.
This permits tracing of these accesses.
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add unlocked versions of the bus accessors, which allows access to the
bus with all the tracing. These accessors validate that the bus mutex
is held, which is a basic requirement for all mii bus accesses.
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Collect TX rate limiting related information in UP CIM logs.
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Russell King says:
====================
Convert mvneta to phylink
This series converts mvneta to use phylink, which is necessary to
support the SFP cages on SolidRun's Clearfog platform. This series just
converts mvneta without adding the DT parts - having discussed with
Andrew, we believe we're too close to the merge window to submit that
patch.
I've split the "net: mvneta: convert to phylink" patch up to make it
easier to review, and in doing so, spotted some minor corner cases that
needed to be fixed along the way.
This series depends on the previously merged phylink patches in netdev,
along with the recently reviewed 7 patch series "Resolve races in phy
accessors" without which, the race described in patch 5 of that series
is very evident when triggering a dummy hibernate cycle.
This series also illustrates how to convert mvpp2 to phylink.
mvneta is the only user of the fixed_phy_update_state() API, and this
becomes redundant with the conversion.
It would be good to get this series not only reviewed, but also
independently tested to ensure that I haven't missed anything - I only
have the Clearfog platform to test on, and that doesn't support all the
different interface modes that mvneta supports.
A particularly interesting side effect of this series is that DSA
switches no longer need the "CPU" port and DSA facing MAC ethernet
instance to be marked as a fixed link anymore with mvneta - we can use
1000BaseX mode, and the DSA to CPU link will use the 802.3z negotiation
to determine the link properties without needing the link parameters to
be explicitly stated in DT - that is a subject of a future patch.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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mvneta is the only user of fixed_phy_update_state(), which has been
converted to use phylink instead. Remove fixed_phy_update_state().
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add support for reading the SFF module's EEPROM via the ethtool API.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The PSC sync change interrupt can fire multiple times while the link is
down, which is caused by noise on the serdes lines. As this isn't
information we make use of, it's pointless having the interrupt enabled.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add support for EEE to mvneta.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add support for flow control to mvneta.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add support for 1000BaseX link modes.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Move the port configuration and release of reset to mvneta_mac_config()
along side the rest of the port mode configuration.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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