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Move hardware initialization into sky2_hw_up.
Signed-off-by: Mike McCormack <mikem@ring3k.org>
Acked-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allocate everything in one place so there's a single point
of failure in sky2_up, and sky2_rx_start can no longer fail.
Don't leave the hardware in a partially initialized state in the
case rx ring allocation fails.
As with the old code, the rx ring still needs to be fully
allocated for sky2_up to succeed.
Signed-off-by: Mike McCormack <mikem@ring3k.org>
Acked-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Move code to calculate receive threshold and packet size out of
sky2_rx_start() so that is can be called from elsewhere easily.
Signed-off-by: Mike McCormack <mikem@ring3k.org>
Acked-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Change how FIFO is programmed in jumbo mode (to match vendor driver).
Mostly cosmetic, the only register change is that the bits 22,23
are not programemd used.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This bit is not changed by vendor driver, and should be left alone.
The documentation implies this a debug bit.
0 = WAKE# only asserted when VMAIN not available
1 = WAKE# is depend on wake events and independent of VMAIN.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Change Wake On Lan code to be similar to vendor driver. The definition
of Y2_HW_WOL_ON is confusing; what it means is transition to firmware SPI
setting when doing power change.
Since same code is done for both shutdown and suspend, use common
code path.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Warning about hidden variable
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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kernel side should use uxx instead of __uxx types
Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some XFRM attributes were not going through basic validation.
Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert QPRINTK macros to netif_<level> equivalents.
Expands and standardizes the logging message output.
Removes __func__ from most logging messages.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert uses of msg_<type> to netif_<level>(
Remove msg_<type> macros
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify the logic a bit, make the message logs a bit more consistent.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add macros to test a private structure for msg_enable bits
and the netif_msg_##bit to test and call netdev_printk if set
Simplifies logic in callers and adds message logging consistency
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Logging messages sometimes had duplicated "ATL1E" output.
For instance:
ATL1E 0000:03:00.0: ATL1E: eth0 NIC Link is Up<100 Mbps Full Duplex>
is now:
ATL1E 0000:03:00.0: eth0: NIC Link is Up <100 Mbps Full Duplex>
Add some consistency to logging messages
Add some missing \n's to logging messages
Miscellaneous typo spelling corrections
Change atl1e_validate_option argument from pdev to adapter
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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These netdev_printk routines take a struct net_device * and emit
dev_printk logging messages adding "%s: " ... netdev->dev.parent
to the dev_printk format and arguments.
This can create some uniformity in the output message log.
These helpers should not be used until a successful alloc_netdev.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Don't need to disable bottom half it is already down in the
previous lock. Move some blank lines to group locking in same
context.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Permanent IPV6 addresses should not be removed when the link is
set to admin down, only when device is removed.
When link is lost permanent addresses should be marked as tentative
so that when link comes back they are subject to duplicate address
detection (if DAD was enabled for that address).
Other routing systems keep manually configured IPv6 addresses
when link is set down.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The offset to read the eeprom data was missing and
wrong eeprom data was being dumped. This patch fixes this.
>From Suresh R <sureshr@serverengines.com>
Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since the driver is supporting multiple generations of the ASIC
don't mention any ASIC generation number.
Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since the driver is supporting multiple generations of the ASIC
remove ASIC generation information from the driver description.
This information is displayed by modinfo.
Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In certain skews the ASIC can support only 16 vlans per interface.
Once the limit is crossed, the ASIC is programmed in vlan promiscuous mode.
Switch off the vlan promiscuous mode once the number of vlans
falls back to the max vlans supported.
Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Couple of code optimizations in the Rx path (to avoid a memset).
From: Sathya P <sathyap@serverengines.com>
Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Current code allows the new mtu to cross the supported value.
This patch fixes the boundary checks.
From: Suresh R <sureshr@serverengines.com>
Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Now flashing both BE2 and BE3 devices is supported.
From: Naresh G <nareshg@serverengines.com>
Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We are not going to use this device id.
Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Now we have a virtio detach API (in commit
f9bfbebf34eab707b065116cdc9699d25ba4252a), we don't need to track xmit
skbs in the virio_net driver, which improves transmission performance.
Signed-off-by: Shirley Ma <xma@us.ibm.com>
Acked-by: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add Micrel KSZ884X network driver for KSZ8841/KSZ8842 PCI Ethernet chips.
Signed-off-by: Tristram Ha <Tristram.Ha@micrel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add Micrel KSZ8841/KSZ8842 PCI Ethernet chip support.
Signed-off-by: Tristram Ha <Tristram.Ha@micrel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is a new network driver for Micrel KSZ8841/KSZ8842 PCI Ethernet chips. The same driver can run both chips at the same time. It supports IPv4 TCP hardware checksumming and so can use scatter/gather transmission.
The KSZ8842 switch has 2 ports. Some users like to take direct control of those ports. So KSZ8842 has a multiple devices mode in which the driver creates another network device so that users can specify which port to send packets. This mode is enabled by passing the "multi_dev=1" parameter to the driver during loading.
The KSZ884X can receive huge frames with size up to 1916 bytes. To use this feature change the network device MTU from 1500 to 1898.
The KSZ884X driver has 3 packet receive processing functions for the normal mode, multiple devices mode, and huge frame mode. Those functions are identical except for more checking for the new features. In normal programming point of view the huge frame version is the one to use because it covers all the cases, but this is done for performance consideration because the target clients for the KSZ884X chips are embedded systems, which unlike desktop PC may not have powerful CPU.
Signed-off-by: Tristram Ha <Tristram.Ha@micrel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A pointer to am79c961_probe is passed to the core via
platform_driver_register and so the function must not disappear when the
.init sections are discarded. Otherwise (if also having HOTPLUG=y)
unbinding and binding a device to the driver via sysfs will result in an
oops as does a device being registered late.
An alternative to this patch is using platform_driver_probe instead of
platform_driver_register plus removing the pointer to the probe function
from the struct platform_driver.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When the fib size exceeds what can be dumped in a single skb, the
dump is suspended and resumed once the last skb has been received
by userspace. When the fib is changed while the dump is suspended,
the walker might contain stale pointers, causing a crash when the
dump is resumed.
BUG: unable to handle kernel NULL pointer dereference at 0000000000000018
IP: [<ffffffffa01bce04>] fib6_walk_continue+0xbb/0x124 [ipv6]
PGD 5347a067 PUD 65c7067 PMD 0
Oops: 0000 [#1] PREEMPT SMP
...
RIP: 0010:[<ffffffffa01bce04>]
[<ffffffffa01bce04>] fib6_walk_continue+0xbb/0x124 [ipv6]
...
Call Trace:
[<ffffffff8104aca3>] ? mutex_spin_on_owner+0x59/0x71
[<ffffffffa01bd105>] inet6_dump_fib+0x11b/0x1b9 [ipv6]
[<ffffffff81371af4>] netlink_dump+0x5b/0x19e
[<ffffffff8134f288>] ? consume_skb+0x28/0x2a
[<ffffffff81373b69>] netlink_recvmsg+0x1ab/0x2c6
[<ffffffff81372781>] ? netlink_unicast+0xfa/0x151
[<ffffffff813483e0>] __sock_recvmsg+0x6d/0x79
[<ffffffff81348a53>] sock_recvmsg+0xca/0xe3
[<ffffffff81066d4b>] ? autoremove_wake_function+0x0/0x38
[<ffffffff811ed1f8>] ? radix_tree_lookup_slot+0xe/0x10
[<ffffffff810b3ed7>] ? find_get_page+0x90/0xa5
[<ffffffff810b5dc5>] ? filemap_fault+0x201/0x34f
[<ffffffff810ef152>] ? fget_light+0x2f/0xac
[<ffffffff813519e7>] ? verify_iovec+0x4f/0x94
[<ffffffff81349a65>] sys_recvmsg+0x14d/0x223
Store the serial number when beginning to walk the fib and reload
pointers when continuing to walk after a change occured. Similar
to other dumping functions, this might cause unrelated entries to
be missed when entries are deleted.
Tested-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This fixes a problem in the DCCP getsockopt() API: currently there is no way
for a user to a priori know the number of built-in CCIDs, other than trying
DCCP_SOCKOPT_AVAILABLE_CCIDS in a loop, incrementing the option length until
EINVAL is no longer returned.
This patch truncates the array to the user-provided length. No copy is made
when the length is <= 0.
Due to the length restriction in do_dccp_getsockopt() to sizeof(int), the
minimum array length remains 4, which is a reasonable default (only 3
CCIDs, CCID-2..4, are currently defined).
Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use "phy_find_first" instead of manual lookup. Also use "phy_connect_direct"
instead of "phy_connect" since we already have phy_device pointer here.
Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Acked-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch replaces dev->mc_count in all drivers (hopefully I didn't miss
anything). Used spatch and did small tweaks and conding style changes when
it was suitable.
Jirka
Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Initialize the .cmd member of various ethtool using a designated struct
initializer rather. This makes things a teeny bit more robust, although
the chance of a struct layout changing is extremely remote, and also
makes the code a little easier to read.
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Driver has gone under significant changes, the version should
reflect that.
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds n-tuple filter programming to 82599.
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patchset enables the ethtool layer to program n-tuple
filters to an underlying device. The idea is to allow capable
hardware to have static rules applied that can assist steering
flows into appropriate queues.
Hardware that is known to support these types of filters today
are ixgbe and niu.
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Break the largish case for handling receive checksum into a separate
function, and if there is a problem use dev_XXX routines to
show which hardware is the problem.
Turn one corner case into a BUG(). This only happens if the driver
is expecting one behavior but the chip does the old behavior;
only ever saw this when bringing up a new chip type and driver
was buggy.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Clone of vendor code to disable ASF on Extreme and Supreme chips.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Change the resume path to use pci write config for a couple of reasons:
1. pci_write_config_dword() allows for more error
checking of PCI health after resume.
2. better to toggle this register on all chip types, since that
is what vendor driver does.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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i.MX51 babbage board has a FEC ethernet controller
Signed-off-by: Amit Kucheria <amit.kucheria@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The i.MX51 babbage board has a FEC ethernet controller with this phy.
In the long term we should resurrect the phylib patches for fec.
Signed-off-by: Amit Kucheria <amit.kucheria@canonical.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The fec driver was enabling receive buffer descriptor without allocating
the buffers. Make sure the buffer descriptors are initialized to not
start receiving packets.
Open also calls fec_restart after the rx buffers are allocated. With the code
in fec_restart, it zeroes out the buffer descriptors that have just been
setup.
Signed-off-by: Rob Herring <r.herring@freescale.com>
Signed-off-by: Amit Kucheria <amit.kucheria@canonical.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify seq_file code.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify seq_file code.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify seq_file code.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify seq_file code.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify seq_file code.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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