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When "NETDEV WATCHDOG: em4 (bnx2x): transmit queue 2 timed out" occurs,
BNX2X_SP_RTNL_TX_TIMEOUT is set. In the function bnx2x_sp_rtnl_task,
bnx2x_nic_unload and bnx2x_nic_load are executed to shutdown and open
NIC. In the function bnx2x_nic_load, bnx2x_alloc_mem allocates dma
failure. The message "bnx2x: [bnx2x_alloc_mem:8399(em4)]Can't
allocate memory" pops out. The variable slowpath is set to NULL.
When shutdown the NIC, the function bnx2x_nic_unload is called. In
the function bnx2x_nic_unload, the following functions are executed.
bnx2x_chip_cleanup
bnx2x_set_storm_rx_mode
bnx2x_set_q_rx_mode
bnx2x_set_q_rx_mode
bnx2x_config_rx_mode
bnx2x_set_rx_mode_e2
In the function bnx2x_set_rx_mode_e2, the variable slowpath is operated.
Then the crash occurs.
To fix this crash, the variable slowpath is checked. And in the function
bnx2x_sp_rtnl_task, after dma memory allocation fails, another shutdown
and open NIC is executed.
CC: Joe Jin <joe.jin@oracle.com>
CC: Junxiao Bi <junxiao.bi@oracle.com>
Signed-off-by: Zhu Yanjun <yanjun.zhu@oracle.com>
Acked-by: Ariel Elior <aelior@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Collect SGE freelist queue and congestion manager contexts.
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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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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Commit f1fb08f6337c ("vxlan: fix ND proxy when skb doesn't have transport
header offset") removed icmp6_code and icmp6_type check before calling
neigh_reduce when doing neigh proxy.
It means all icmpv6 packets would be blocked by this, not only ns packet.
In Jianlin's env, even ping6 couldn't work through it.
This patch is to bring the icmp6_code and icmp6_type check back and also
removed the same check from neigh_reduce().
Fixes: f1fb08f6337c ("vxlan: fix ND proxy when skb doesn't have transport header offset")
Reported-by: Jianlin Shi <jishi@redhat.com>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Reviewed-by: Vincent Bernat <vincent@bernat.im>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Be sure that lists initialized in net_init hook were return
to initial state.
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Be sure that sock_list array initialized in net_init hook was return
to initial state
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Be sure that sock_list initialized in net_init hook was return
to initial state.
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In xmit process, the variables are set many times. In fact,
it is enough for these variables to be set once.
After a long time test, the throughput performance is better
than before.
CC: Srinivas Eeda <srinivas.eeda@oracle.com>
CC: Joe Jin <joe.jin@oracle.com>
CC: Junxiao Bi <junxiao.bi@oracle.com>
Signed-off-by: Zhu Yanjun <yanjun.zhu@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/sameo/nfc-next
Samuel Ortiz says:
====================
NFC 4.15 pull request
This is the NFC pull request for 4.15. We have:
- A new netlink command for explicitly deactivating NFC targets
- i2c constification for all NFC drivers
- One NFC device allocation error path fix
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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On BCM58xx devices (Northstar Plus), there is an accelerator attached to
port 8 which would only work if we use prepended Broadcom tags. Resolve
that difference in our get_tag_protocol() function by setting the
appropriate tagging protocol in that case. We need to change
b53_brcm_hdr_setup() a little bit now since we can deal with two types
of Broadcom tags.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A number of drivers want to check whether the configured CPU port is a
possible configuration for enabling tagging, pass down the CPU port
number so they verify that.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-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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Since Mellanox focus is on newer adapters, we would like to have the
ability to disable the support for old gen2 adapters.
This can be done by turning off the MLX4_CORE_GEN2 Kconfig flag.
We keep it turned on by default.
Signed-off-by: Slava Shwartsman <slavash@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The variable giga_ctrl is being assigned to zero however this is
never read and hence the assignment is redundant, so remove it.
Cleans up clang warning:
drivers/net/ethernet/realtek/r8169.c:1978:3: warning: Value stored
to 'giga_ctrl' is never read
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix embarrassing bug in lan9303_alr_del_port(): Instead of zeroing
entr->mac_addr, I destroyed the next cache entry. Affected .port_fdb_del and
.port_mdb_del.
Fixes: 0620427ea0d6 ("net: dsa: lan9303: Add fdb/mdb manipulation")
Signed-off-by: Egil Hjelmeland <privat@egil-hjelmeland.no>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull networking fixes from David Miller:
1) Use after free in vlan, from Cong Wang.
2) Handle NAPI poll with a zero budget properly in mlx5 driver, from
Saeed Mahameed.
3) If DMA mapping fails in mlx5 driver, NULL out page, from Inbar
Karmy.
4) Handle overrun in RX FIFO of sun4i CAN driver, from Gerhard
Bertelsmann.
5) Missing return in mdb and vlan prepare phase of DSA layer, from
Vivien Didelot.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
vlan: fix a use-after-free in vlan_device_event()
net: dsa: return after vlan prepare phase
net: dsa: return after mdb prepare phase
can: ifi: Fix transmitter delay calculation
tcp: fix tcp_fastretrans_alert warning
tcp: gso: avoid refcount_t warning from tcp_gso_segment()
can: peak: Add support for new PCIe/M2 CAN FD interfaces
can: sun4i: handle overrun in RX FIFO
can: c_can: don't indicate triple sampling support for D_CAN
net/mlx5e: Increase Striding RQ minimum size limit to 4 multi-packet WQEs
net/mlx5e: Set page to null in case dma mapping fails
net/mlx5e: Fix napi poll with zero budget
net/mlx5: Cancel health poll before sending panic teardown command
net/mlx5: Loop over temp list to release delay events
rds: ib: Fix NULL pointer dereference in debug code
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git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
Kalle Valo says:
====================
wireless-drivers-next patches for 4.15
Last minute patches before the merge window. Not really anything
special standing out, mostly fixes or cleanup and some minor new
features.
Major changes:
iwlwifi
* some new PCI IDs
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Enable Broadcom tags for b53 devices, except 5325 and 5365 which use a
different Broadcom tag format not yet supported by net/dsa/tag_brcm.c.
We also make sure that we can turn on Broadcom tags on a CPU port number
that is capable of that: 5, 7 or 8.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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dev->cpu_port is the driver local information that should only be used
to look up register offsets for a particular port, when they differ
(e.g: IMP port override), but it should certainly not be used in place
of the DSA configured CPU port.
Since the DSA switch layer calls port_vlan_{add,del}() on the CPU port
as well, we can remove the specific setting of the CPU port within
port_vlan_{add,del}.
Fixes: ff39c2d68679 ("net: dsa: b53: Add bridge support")
Fixes: 967dd82ffc52 ("net: dsa: b53: Add support for Broadcom RoboSwitch")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In preparation for enabling Broadcom tags with b53, pad packets to a
minimum size of 64 bytes (sans FCS) in order for the Broadcom switch to
accept ingressing frames. Without this, we would typically be able to
DHCP, but not resolve with ARP because packets are too small and get
rejected by the switch.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2017-11-10
this is a pull request for net/master.
The first patch by Richard Schütz for the c_can driver removes the false
indication to support triple sampling for d_can. Gerhard Bertelsmann's
patch for the sun4i driver improves the RX overrun handling. The patch
by Stephane Grosjean for the peak_canfd driver adds the PCI ids for
various new PCIe/M2 interfaces. Marek Vasut's patch for the ifi driver
fix transmitter delay calculation.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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IGMP packets should be trapped to the CPU port. The SW bridge knows
whether to forward to other ports.
With "IGMP snooping for local traffic" merged, IGMP trapping is also
required for stable IGMPv2 operation.
LAN9303 does not trap IGMP packets by default.
Enable IGMP trapping in lan9303_setup.
Signed-off-by: Egil Hjelmeland <privat@egil-hjelmeland.no>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Collect vpd information directly from hardware instead of software
adapter context. Move EEPROM physical address to virtual address
translation logic to t4_hw.c and update relevant files.
Fixes: 6f92a6544f1a ("cxgb4: collect hardware misc dumps")
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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The statistics histogram mode was not being explicitly initialized on
devices other than the 6390 family. Clearing the statistics then
overwrote the default setting, setting the histogram to a reserved
mode.
Explicitly set the histogram mode for all devices. Change the
statistics clear into a read/modify/write, and since it is now more
complex, move it into global1.c.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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By default, the switch does not flood broadcast frames. Instead the
broadcast address is unknown in the ATU, so the frame gets forwarded
out the cpu port. The software bridge then floods it back to the
individual switch ports which are members of the bridge.
Add an ATU entry in the switch so that it floods broadcast frames out
ports, rather than have the software bridge do it. Also, send a copy
out the cpu port and any dsa ports. Rely on the port vectors to
prevent broadcast frames leaking between bridges, and separated ports.
Additionally, when a VLAN is added, a new FID is allocated. This
represents a new table of ATU entries. A broadcast entry is added to
the new FID.
With offload_fwd_mark being set, the software bridge will not flood
the frames it receives back to the switch.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This function is going to be needed by a soon to be added new
function. Move it earlier so we can avoid a forward declaration.
No functional changes.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When testing if a VLAN is one more than one bridge, we print an error
message that the VLAN is already in use somewhere else. Print both the
new port which would like the VLAN, and the port which already has it,
to aid debugging.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Having the same VLAN on multiple bridges is currently unsupported as
an offload. mv88e6xxx_port_check_hw_vlan() is used to ensure that a
VLAN is not on multiple bridges when adding a VLAN range to a port. It
loops the ports and checks to see if there are ports in a different
bridge with the same VLAN.
While walking all switch ports, the code was checking if the new port
has a netdev slave attached to it. If not, skip checking the port
being walked. This seems like a typ0. If the new port does not have a
slave, how has a VLAN been added to it in the first place, requiring
this check be performed at all? More likely, we should be checking if
the port being walked has a slave. Without the port having a slave, it
cannot have a VLAN on it, so there is no need to check further for
that particular port.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/sschmidt/wpan-next
Stefan Schmidt says:
====================
pull-request: net-next: ieee802154 2017-11-09
A small update on ieee802154 patches for net-next. Nothing dramatic, but simply
housekeeping this time around.
A fix for the correct mask to be applied in the mrf24j40 driver by Gustavo A. R. Silva
Removal of a non existing email user for the ca8210 driver by Harry Morris
A bunch of checkpatch cleanups across the subsystem from myself
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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When process the outbound packet of ipv6, we should assign the master
device to output device other than input device.
Signed-off-by: Keefe Liu <liuqifa@huawei.com>
Acked-by: Mahesh Bandewar <maheshb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes an error in memory allocation/freeing in
ThunderX PF driver.
I moved the allocation to the probe() function and made it managed.
>From the Colin's email:
While running static analysis on linux-next with CoverityScan I found 3
double free errors in the Cavium thunder driver.
The issue occurs on the err_disable_device: label of function nic_probe
when nic_free_lmacmem(nic) is called and a double free occurs on
nic->duplex, nic->link and nic->speed. This occurs when nic_init_hw()
fails:
/* Initialize hardware */
err = nic_init_hw(nic);
if (err)
goto err_release_regions;
nic_init_hw() calls nic_get_hw_info() and this calls nic_free_lmacmem()
if any of the allocations fail. This free'ing occurs again by the call
to nic_free_lmacmem() on the err_release_regions exit path in nic_probe().
Reported-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Aleksey Makarov <aleksey.makarov@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When Thunderbolt network interface is disabled or when the cable is
unplugged the driver releases all allocated buffers by calling
tbnet_free_buffers() for each ring. This function then calls
dma_unmap_page() for each buffer it finds where bus address is non-zero.
Now, we only clear this bus address when the Tx buffer is sent to the
hardware so it is possible that the function finds an entry that has
already been unmapped.
Enabling DMA-API debugging catches this as well:
thunderbolt 0000:06:00.0: DMA-API: device driver tries to free DMA
memory it has not allocated [device address=0x0000000068321000] [size=4096 bytes]
Fix this by clearing the bus address of a Tx frame right after we have
unmapped the buffer.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Variable start is assigned but never read hence it is redundant
and can be removed. Cleans up clang warning:
drivers/net/ethernet/sfc/ptp.c:655:2: warning: Value stored to 'start'
is never read
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Bert Kenward <bkenward@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The assignment to mbcp is identical to the initiatialized value assigned
to mbcp at declaration time a few lines earlier, hence we can remove the
second redundant assignment. Cleans up clang warning:
drivers/net/ethernet/qlogic/qlge/qlge_mpi.c:209:22: warning:
Value stored to 'mbcp' during its initialization is never read
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.
Addresses-Coverity-ID: 114928
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.
Addresses-Coverity-ID: 114888
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.
Addresses-Coverity-ID: 114891
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.
Addresses-Coverity-ID: 1397960
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.
Addresses-Coverity-ID: 1397972
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Update the login buffer to include client data for the vnic driver,
this includes the OS name, LPAR name, and device name. This update
allows this information to be available in the VIOS.
Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We add the call of_node_put(bp->phy_node) to all associated error
paths for memory clean up.
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We add the call of_phy_deregister_fixed_link to all associated
error paths for memory clean up.
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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GOP statistics from all ports of one instance of the driver are gathered
with one work recalled in loop in a workqueue. The loop is started when
a port is up, and stopped when a port is down. This last condition is
obviously wrong.
Fix this by having a work per port. This way, starting and stoping it
when the port is up or down will be fine, while minimizing unnecessary
CPU usage.
Fixes: 118d6298f6f0 ("net: mvpp2: add ethtool GOP statistics")
Reported-by: Stefan Chulski <stefanc@marvell.com>
Signed-off-by: Miquel Raynal <miquel.raynal@free-electrons.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When checking whether auto-negotiation is on, driver only needs to
check the value of mac.autoneg(SW) directly, and does not need to
query it from hardware. Because this value is always synchronized
with the auto-negotiation state of hardware.
This patch removes mac auto-negotiation state query in
hclge_update_speed_duplex().
Fixes: 46a3df9f9718 (net: hns3: Add HNS3 Acceleration Engine & Compatibility Layer Support)
Signed-off-by: Fuyun Liang <liangfuyun1@huawei.com>
Signed-off-by: Lipeng <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Driver gets phy address from NCL_config file and uses the phy address
to initialize phydev. There are 5 bits for phy address. And C22 phy
address has 5 bits. So 0-31 are all valid address for phy. If there
is no phy, it will crash. Because driver always get a valid phy address.
This patch fixes the phy address to 8 bits, and use 0xff to indicate
invalid phy address.
Fixes: 46a3df9f9718 (net: hns3: Add HNS3 Acceleration Engine & Compatibility Layer Support)
Signed-off-by: Fuyun Liang <liangfuyun1@huawei.com>
Signed-off-by: Lipeng <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The firmware for brcmfmac devices includes information regarding
regulatory constraints. For certain devices this information is kept
separately in a binary form that needs to be downloaded to the device.
This patch adds support to download this so-called CLM blob file. It
uses the same naming scheme as the other firmware files with extension
of .clm_blob.
The CLM blob file is optional. If the file does not exist, the download
process will be bypassed. It will not affect the driver loading.
Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Chung-Hsien Hsu <stanley.hsu@cypress.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Pull ceph gix from Ilya Dryomov:
"Memory allocation flags fix, marked for stable"
* tag 'ceph-for-4.14-rc9' of git://github.com/ceph/ceph-client:
rbd: use GFP_NOIO for parent stat and data requests
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input layer updates from Dmitry Torokhov:
- a new ACPI ID for Elan touchpad found in yet another Ideapad model
- Synaptics RMI4 will allow binding to controllers reporting SMB
version 3 (note that we are not adding any new ACPI IDs to the
Synaptics PS/2 drover so unless user explicitly enables intertouch
support there is no user-visible change)
- a fixup to TSC 2004/5 touchscreen driver to mark input devices as
"direct" to help userspace identify the type of device they are
dealing with
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: synaptics-rmi4 - RMI4 can also use SMBUS version 3
Input: tsc200x-core - set INPUT_PROP_DIRECT
Input: elan_i2c - add ELAN060C to the ACPI table
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git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"Last few patches to wrap up.
Two i915 fixes that are on their way to stable, one vmware black
screen bug, and one const patch that I was going to drop, but it was
clearly a pretty safe one liner"
* tag 'drm-fixes-for-v4.14-rc9' of git://people.freedesktop.org/~airlied/linux:
drm/i915: Deconstruct struct sgt_dma initialiser
drm/i915: Reject unknown syncobj flags
drm/vmwgfx: Fix Ubuntu 17.10 Wayland black screen issue
drm/vmwgfx: constify vmw_fence_ops
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The CANFD transmitter delay calculation formula was updated in the
latest software drop from IFI and improves the behavior of the IFI
CANFD core during bitrate switching. Use the new formula to improve
stability of the CANFD operation.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Markus Marb <markus@marb.org>
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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