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git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
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What this patch does is it removes two receive frame hooks (for bridge and for
macvlan) from __netif_receive_skb. These are replaced them with a single
hook for both. It only supports one hook per device because it makes no
sense to do bridging and macvlan on the same device.
Then a network driver (of virtual netdev like macvlan or bridge) can register
an rx_handler for needed net device.
Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Log error conditions using KERN_ERR priority.
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Linux 2.6.33 reports this checkstack warning:
drivers/net/vxge/vxge-main.c: In function 'vxge_probe':
drivers/net/vxge/vxge-main.c:4409: warning: the frame size of 1028 bytes is larger than 1024 bytes
This warning does not occur in the latest linux-2.6 or linux-next, however,
when I do a 'make -j32 CONFIG_FRAME_WARN=512' instead of 1024 I see
drivers/net/vxge/vxge-main.c: In function ‘vxge_probe’:
drivers/net/vxge/vxge-main.c:4423: warning: the frame size of 1024 bytes is larger than 512 bytes
This patch moves the large vxge_config struct off the stack.
Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Sparse complains about shadowed declaration of skb. So use other
name.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use the request_irq() error code as the return value for mac8390_open().
EAGAIN doesn't make sense for Nubus slot IRQs. Only this driver can claim
this IRQ (until the NIC is removed, which means everything is powered
down).
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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I added newlines after the declarations in caif_serial.c. This is
normal kernel style, although I can't see anywhere it's documented.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We don't use the "ser" variable so I've removed it.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Sjur Braendeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In the worst case, when the first loop breaks an the end of the slave list,
the slave list is iterated through twice. This patch reduces this
function only to one loop. Also makes it simpler.
Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is stored but never restored. So remove this as it is useless.
Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Move the code that copies slave's mac address in case that's the first slave into
bond_enslave. Ifenslave app does this also but that's not a problem. This is
something that should be done in bond_enslave, and it shound not matter from
where is it called.
Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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- don't free bus->irq (obsoleted by ca816d98170942371535b3e862813b0aba9b7d90)
- don't dispose irqs (should be done in of_mdiobus_register())
- use fec-pointer consistently in transfer()
- use resource_size()
- cosmetic fixes
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch makes bonding_store_slaves function nicer and easier to understand.
Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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(it's actually the same as v1)
Remove checks that duplicates similar checks in bond_enslave.
Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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V1->V2: corrected res/ret use
For some reason, MTU handling (storing, and restoring) is taking place in
bond_sysfs. The correct place for this code is in bond_enslave, bond_release.
So move it there.
Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Added support for NIC functions that work in non privileged mode where these
functions are privileged to do IO only, the control operations are handled via
privileged functions.
Bumped up version number to 5.0.3.
Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Following changes have been added to enable the adapter to work in
NIC partitioning mode where multiple PCI functions of an adapter port can
be configured to work as NIC functions. The first function that is enumerated on
the PCI bus assumes the role of management function which, besides being able
to do all the NIC functionality, can configure other NIC partitions. Other NIC
functions can be configured as privileged or non privileged functions.
Privileged function can not configure other NIC functions but can do all the
NIC functionality including any firmware initialization, chip reset etc. Non
privileged functions can do only basic IO. For chip reset etc, it depends on the
privilege or management function.
1. Added code to determine PCI function number independent of kernel API.
2. Added Driver - FW version 2.0 support.
3. Changed producer and consumer register offset calculation.
4. Added management and privileged operation modes for npar functions. A module
parameter has been added to control it.
5. Added support for configuring the eswitch in the adapter.
Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A single shared memory region used to communicate with firmware is
mapped into both PCI PFs of the SFC9020 and SFL9021. Drivers must be
able to identify which port they are addressing in order to use the
correct sub-region. Currently we use the PCI function number, but the
PCI address may be virtualised. Use the CS_PORT_NUM register field
defined for just this purpose.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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rx_errors is defined as 'bad packets received', but we are currently
including various overflow errors as well.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Insert a structure at the start of the shared page that
tracks the dma mapping refcnt. DMA into the next cache
line of the (shared) page (plus EFX_PAGE_IP_ALIGN).
When recycling a page, check the page refcnt. If the
page is otherwise unused, then resurrect the other
receive buffer that previously referenced the page.
Be careful not to overflow the receive ring, since we
can now resurrect n receive buffers in a row.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The cut-through design of the receive path means that packets that
fail to match the appropriate MAC filter are not discarded at the MAC
but are flagged in the completion event as 'to be discarded'. On
networks with heavy multicast traffic, this can account for a
significant proportion of received packets, so it is worthwhile to
recycle the buffer immediately in this case rather than freeing it
and then reallocating it shortly after.
The only complication here is dealing with a page shared
between two receive buffers. In that case, we need to be
careful to free the dma mapping when both buffers have
been free'd by the kernel. This means that we can only
recycle such a page if both receive buffers are discarded.
Unfortunately, in an environment with 1500mtu,
rx_alloc_method=PAGE, and a mixture of discarded and
not-discarded frames hitting the same receive queue,
buffer recycling won't always be possible.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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- Pull the loop handling into efx_init_rx_buffers_(skb|page)
- Remove rx_queue->buf_page, and associated clean up code
- Remove unmap_addr, since unmap_addr is trivially calculable
This will allow us to recycle discarded buffers directly
from efx_rx_packet(), since will never be in the middle of
splitting a page.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Ensure that efx_fast_push_rx_descriptors() must only run
from efx_process_channel() [NAPI], or when napi_disable()
has been executed.
Reimplement the slow fill by sending an event to the
channel, so that NAPI runs, and hanging the subsequent
fast fill off the event handler. Replace the sfc_refill
workqueue and delayed work items with a timer. We do
not need to stop this timer in efx_flush_all() because
it's safe to send the event always; receiving it will
be delayed until NAPI is restarted.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Formerly, efx_test_eventq_irq() assumed it was the only user of
driver generated events. Allow it to interoperate with other users.
We can create more than 16 channels, so align event codes with
a multiple of 256 not 16.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It's been observed that some phys (such as the qt2025c) can
do down-up-down-up transitions, presumably as pcs block lock
settles down.
The loopback selftest will start sending data immediately
after the link comes up. Work around this by waiting for
the link state to stay up for two consecutive polls, rather
than one.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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All of the ethtool code paths keep them in sync, but we need
to ensure they are sync'd at start of day. Matches the sft9001
driver.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Under certain conditions a PHY may backpressure Falcon B0
in such a way that flushes timeout. In normal circumstances
the phy poller would fix the PHY, and the flush could complete.
But efx_nic_flush_queues() is always called after efx_stop_all(),
so the poller has been stopped. Even if this weren't the case,
how long would we have to wait for the poller to fix this? And
several callers of efx_nic_flush_queues() are about to reset
the device anyway - so we don't need to do anything.
Work around this bug by scheduling a reset. Ensure that the
MAC is never rewired back into the datapath before the reset
runs (we already ignore all rx events anyway).
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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efx_pm_freeze() sets efx->state = STATE_FINI, which means
efx_reset_work() will abort any scheduled resets.
efx_pm_thaw() should reschedule efx_reset_work() again,
since a freeze/thaw will not have reset the hardware.
This bug was spotted by inspection - there is no real world example of
this happening.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Most of its members are constant capabilities, not configuration. The
new name is also consistent with the name of the pointer to it in
struct efx_nic and the names of structures used by other PHY drivers.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add AR8151 v2.0 Gigabit 1000 support
Change jumbo frame size to 6K
Update L0s/L1 rountine
when link speed is 100M or 1G, set L1 link timer to 4 for l1d_2 and l2c_b2
set L1 link timer to 7 for l2c_b, set L1 link timer to 0xF for others.
Update atl1c_suspend routine
just refactory the function, add atl1c_phy_power_saving routine,
when Wake On Lan enable, this func will be called to save power,
it will reautoneg PHY to 10/100M speed depend on the link
partners link capability.
Update atl1c_configure_des_ring
do not use l2c_b default SRAM configuration.
Signed-off-by: Jie Yang <Jie.Yang@atheros.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds support for the IFF_ALLMULTI flag. Previously only the
IFF_PROMISC flag was supported.
Signed-off-by: Richard Cochran <richard.cochran@omicron.at>
Acked-By: Krzysztof Halasa <khc@pm.waw.pl>
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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Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As mbox polling is done only in process context, it is better to
use schedule_timeout() instead of udelay().
Signed-off-by: Sathya Perla <sathyap@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds cleanup code (things like unregistering irq,
disabling napi etc) to be_open() when an error occurs inside the
routine.
Signed-off-by: Sathya Perla <sathyap@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Based on a patch from http://simon.baatz.info/wol-support-for-an983b/
Tested to resume from suspend by magic packet.
Signed-off-by: Steven Walter <stevenrwalter@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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During the first suspend the chip would refuse to enter D3. Subsequent
suspends worked okay. During resume the chip is commanded into D0.
Doing so during initialization fixes the initial suspend.
Signed-off-by: Steven Walter <stevenrwalter@gmail.com>
Signed-off-by: Grant Grundler <grundler@parisc-linux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds support for using phylib and adds the required mdiobus driver
stubs. This allows for less code to be present in the driver and removes
the PHY status specific timer which is now handled by phylib directly.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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- shuffle around functions to get rid of forward declarations
- fix some CodingStyle and indentation issues
- last but not least, get rid of the following CONFIG_MODULE=n warning:
drivers/net/arcnet/capmode.c:52: warning: ‘capmode_proto’ defined but not used
Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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readl() returns a 32-bit integer on all platforms.
There is no need to cast its return value.
Signed-off-by: Junchang Wang <junchangwang@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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ioread32() returns a 32-bit integer on all platforms.
There is no need to cast its return value.
Signed-off-by: Junchang Wang <junchangwang@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Instead of a fixed list of buffers, use the buffer pool correctly and
keep track of the outstanding buffer indexes using a fixed table.
Resolves reported HBUF_ERR's -- failures due to lack of receive buffers.
Signed-off-by: Chas Williams - CONTRACTOR <chas@cmf.nrl.navy.mil>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Chas Williams - CONTRACTOR <chas@cmf.nrl.navy.mil>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Chas Williams - CONTRACTOR <chas@cmf.nrl.navy.mil>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Chas Williams - CONTRACTOR <chas@cmf.nrl.navy.mil>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Today, there are no means to know which port of a hardware device a netdev
interface uses. struct net_device conatins a field, dev_id, that can be used
for that. Use this field to save the port number in ConnectX that is being used
by the net device; port numbers are zero based.
Signed-off-by: Eli Cohen <eli@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use newly introduced netif_notify_peers() method to ensure a gratuitous ARP is
generated after a migration.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Cc: Stephen Hemminger <shemminger@linux-foundation.org>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: David S. Miller <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Cc: xen-devel@lists.xensource.com
Cc: stable@kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use memdup_user when user data is immediately copied into the
allocated region.
The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@@
expression from,to,size,flag;
position p;
identifier l1,l2;
@@
- to = \(kmalloc@p\|kzalloc@p\)(size,flag);
+ to = memdup_user(from,size);
if (
- to==NULL
+ IS_ERR(to)
|| ...) {
<+... when != goto l1;
- -ENOMEM
+ PTR_ERR(to)
...+>
}
- if (copy_from_user(to, from, size) != 0) {
- <+... when != goto l2;
- -EFAULT
- ...+>
- }
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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