| Commit message (Collapse) | Author | Age |
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Since commit d6580a9f1523 ("kexec: sysrq: simplify sysrq-c handler"),
the sysrq handler for the 'c' key has been sysrq_crash_op. Debugging
code in the ibm_emac driver also tries to register a handler for the 'c'
key, but this has no effect because register_sysrq_key() doesn't replace
existing handlers. Since evidently no one has cared enough to fix this
in the last 8 years, and it's very rare for drivers to register sysrq
handlers (for good reason), just remove the dead code.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We should be returning -ENOMEM if qed_mcp_cmd_add_elem() fails. The
current code returns success.
Fixes: 4ed1eea82a21 ("qed: Revise MFW command locking")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Tomer Tayar <Tomer.Tayar@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is a cut and paste bug here so we accidentally clear the first
few bytes of "resp" a second time instead clearing "ctx".
Fixes: 50c0add534d2 ("liquidio: refactor interrupt moderation code")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In hardware configurations where multiple queues are active,
the rx queue needs to be mapped into a dma channel, even if
a single rx queue is used.
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The current code enables up to the maximum MSIX vectors in the PCIE
config space without considering the max completion rings available.
An MSIX vector is only useful when it has an associated completion
ring, so it is better to cap it.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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No offload is performed on the XDP_TX ring so we can use the short TX
BDs. This has the effect of doubling the size of the XDP TX ring so
that it now matches the size of the rx ring by default.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It is necessary to disable autoneg before enabling PHY loopback,
otherwise link won't come up.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The mac loopback self test operates in polling mode. To support that,
we need to add functions to open and close the NIC half way. The half
open mode allows the rings to operate without IRQ and NAPI. We
use the XDP transmit function to send the loopback packet.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add the basic infrastructure and only firmware tests initially.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add suspend/resume callbacks using the newer dev_pm_ops method.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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And add functions to set and free magic packet filter.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add pci shutdown method to put device in the proper WoL and power state.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add code to driver probe function to check if the device is WoL capable
and if Magic packet WoL filter is currently set.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Features added include WoL and selftest.
Signed-off-by: Deepak Khungar <deepak.khungar@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It's possible some configurations would prevent driver from utilizing
all the Memory Regions due to a lack of ILT lines.
In such a case, calculate how many memory regions would have to be
dropped due to limit, and manage without those.
Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As RoCE doesn't need to use the SRC, allocating ILT memory
on behalf of RoCE is wasting available ILT lines.
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As of today there's no protocol supported that requires
support from the TM hardware block and enables SRIOV,
but we should still correct the calculation to reflect
the lines required for such future VFs instead of changing
the PF's own lines.
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When configuring the HW timers block we should set the number of CIDs
up until the last CID that require timers, instead of only those CIDs
whose protocol needs timers support.
Today, the protocols that require HW timers' support have their CIDs
before any other protocol, but that would change in future [when we
add iWARP support].
Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Refactor and clean up the queue manager initialization logic.
Also, this adds support for RoC low latency queues, which later
would be used for improving RoCE latency in high throughput scenarios.
Signed-off-by: Ariel Elior <Ariel.Elior@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Breaking the include loop netdevice.h, dsa.h, devlink.h broke this
driver, it depends on includes brought in by these headers. Adding
linux/of.h fixes it.
Fixes: ed0e39e97d34 ("net: break include loop netdevice.h, dsa.h, devlink.h")
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes some checkpatch.pl script caught errors and
warnings during the compilation time.
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is a bug on Hip06 that tx ring interrupts packets count will be
clear when drivers send data to tx ring, so that the tx packets count
will never upgrade to packets line, and cause the interrupts engendered
was delayed.
Sometimes, it will cause sending performance lower than expected.
To fix this bug, we set tx ring interrupts packets line to 1 forever,
to avoid count clear. And set the gap time to 20us, to solve the problem
that too many interrupts engendered when packets line is 1.
This patch could advance the send performance on ARM from 6.6G to 9.37G
when an iperf send thread on ARM and an iperf send thread on X86 for XGE.
Signed-off-by: lipeng <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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HNS needs SMB Buffers to store at least two packets after sending
pause frame because of the link delay. The MTU of HNS is 9728. As
the processor user manual described, the SBM buffer threshold should
be modified.
Reported-by: Ping Zhang <zhangping5@huawei.com>
Signed-off-by: Kejian Yan <yankejian@huawei.com>
Reviewed-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We need to free all ppe submodule if it fails to initialize ppe by
any fault, so this patch will free all ppe resource before
hns_ppe_init() returns exception situation
Reported-by: JinchuanTian <tianjinchuan1@huawei.com>
Signed-off-by: Kejian Yan <yankejian@huawei.com>
Reviewed-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes the code to clear pclint warning/info.
Reported-by: Ping Zhang <zhangping5@huawei.com>
Signed-off-by: Kejian Yan <yankejian@huawei.com>
Reviewed-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch cleans the redundant code from hns_mdio.c.
Reported-by: Ping Zhang <zhangping5@huawei.com>
Signed-off-by: Kejian Yan <yankejian@huawei.com>
Reviewed-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch removes redundant functions used only for debugging
purposes.
Reported-by: Weiwei Deng <dengweiwei@huawei.com>
Signed-off-by: Kejian Yan <yankejian@huawei.com>
Reviewed-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is a mac_id in mac control block structure, so the callback
function mac_get_id() is useless. Here we remove this function.
Reported-by: Weiwei Deng <dengweiwei@huawei.com>
Signed-off-by: Kejian Yan <yankejian@huawei.com>
Reviewed-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The functions (hns_dsaf_set_mac_mc_entry() and hns_mac_del_mac()) are
not called by any functions. They are dead code in hns. And the same
features are implemented by the patch (the id is 66355f5).
Reported-by: Weiwei Deng <dengweiwei@huawei.com>
Signed-off-by: Kejian Yan <yankejian@huawei.com>
Reviewed-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes below ethtool configuration error:
localhost:~ # ethtool -X eth0 hkey XX:XX:XX...
Cannot set Rx flow hash configuration: Operation not supported
Signed-off-by: lipeng <lipeng321@huawei.com>
Reviewed-by: Yisen Zhuang <yisen.zhuang@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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netif_tx_lock is a global spin lock, it will take affect
in all rings in the netdevice. In tx_poll_one process, it can
only lock the current ring, in this case, we define a spin lock
in hnae_ring struct for it.
Signed-off-by: lipeng <lipeng321@huawei.com>
reviewed-by: Yisen Zhuang <yisen.zhuang@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Because buf_size of ring set to 2048, the process of rx_poll_one
can reuse the page, therefore the performance of XGE can improve.
But the chip only supports three bds in one package, so the max mtu
is 6K when it sets to 2048. For better performane in litter mtu, we
need change buf_size according to mtu.
When user change mtu, hns is only change the desc in memory. There
are some desc has been fetched by the chip, these desc can not be
changed by the code. So it needs set the port loopback and send
some packages to let the chip consumes the wrong desc and fetch new
desc.
Because the Pv660 do not support rss indirection, we need add version
check in mtu change process.
Signed-off-by: lipeng <lipeng321@huawei.com>
reviewed-by: Yisen Zhuang <yisen.zhuang@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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After polling less than buget packages, we need check again. If
there are still some packages, we call napi_schedule add softirq
queue, this is not better way. So we return buget value instead
of napi_schedule.
Signed-off-by: lipeng <lipeng321@huawei.com>
reviewed-by: Yisen Zhuang <yisen.zhuang@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When run ethtool ethX on hns driver, the speed will show
as "Unknown". The base.speed is not correct assigned,
this patch fix this bug.
Signed-off-by: Daode Huang <huangdaode@hisilicon.com>
Reviewed-by: Yisen Zhuang <yisen.zhuang@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Because all members of desc_cb is assigned when xmit one package, so it
can delete in hnae_free_buffer, as follows:
- "dma, priv, length, type" are assigned in fill_v2_desc.
- "page_offset, reuse_flag, buf" are not used in tx direction.
Signed-off-by: lipeng <lipeng321@huawei.com>
Signed-off-by: Weiwei Deng <dengweiwei@huawei.com>
Reviewed-by: Yisen Zhuang <yisen.zhuang@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch optimises the init configuration code leg
for gmac pad and crc set interface.
Signed-off-by: lipeng <lipeng321@huawei.com>
Signed-off-by: JinchuanTian <tianjinchuan1@huawei.com>
Reviewed-by: Yisen Zhuang <yisen.zhuang@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch reduces GMAC TX threshold value to avoid gmac
hang-up with speed 100M/duplex half.
Signed-off-by: lipeng <lipeng321@huawei.com>
Signed-off-by: JinchuanTian <tianjinchuan1@huawei.com>
Reviewed-by: Yisen Zhuang <yisen.zhuang@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes the implementation of the IRQ affinity
function. This function is used to create the cpu mask
which eventually is used to initialize the cpu<->queue
association for XPS(Transmit Packet Steering).
Signed-off-by: lipeng <lipeng321@huawei.com>
Signed-off-by: Kejian Yan <yankejian@huawei.com>
Reviewed-by: Yisen Zhuang <yisen.zhuang@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c: In function 'mlx5e_set_rxfh':
drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c:1067: error: unknown field 'rss' specified in initializer
drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c:1067: warning: missing braces around initializer
drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c:1067: warning: (near initialization for 'rrp.<anonymous>')
drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c:1068: error: unknown field 'rss' specified in initializer
drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c:1069: warning: excess elements in struct initializer
drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c:1069: warning: (near initialization for 'rrp')
gcc-4.4.4 has issues with anonymous union initializers. Work around this.
Cc: Saeed Mahameed <saeedm@mellanox.com>
Cc: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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drivers/net/ethernet/mellanox/mlx5/core/en_main.c: In function 'mlx5e_redirect_rqts':
drivers/net/ethernet/mellanox/mlx5/core/en_main.c:2210: error: unknown field 'rqn' specified in initializer
drivers/net/ethernet/mellanox/mlx5/core/en_main.c:2211: warning: missing braces around initializer
drivers/net/ethernet/mellanox/mlx5/core/en_main.c:2211: warning: (near initialization for 'direct_rrp.<anonymous>')
drivers/net/ethernet/mellanox/mlx5/core/en_main.c: In function 'mlx5e_redirect_rqts_to_channels':
drivers/net/ethernet/mellanox/mlx5/core/en_main.c:2227: error: unknown field 'rss' specified in initializer
drivers/net/ethernet/mellanox/mlx5/core/en_main.c:2227: warning: missing braces around initializer
drivers/net/ethernet/mellanox/mlx5/core/en_main.c:2227: warning: (near initialization for 'rrp.<anonymous>')
drivers/net/ethernet/mellanox/mlx5/core/en_main.c:2227: warning: initialization makes integer from pointer without a cast
drivers/net/ethernet/mellanox/mlx5/core/en_main.c:2228: error: unknown field 'rss' specified in initializer
drivers/net/ethernet/mellanox/mlx5/core/en_main.c:2229: warning: excess elements in struct initializer
drivers/net/ethernet/mellanox/mlx5/core/en_main.c:2229: warning: (near initialization for 'rrp')
drivers/net/ethernet/mellanox/mlx5/core/en_main.c: In function 'mlx5e_redirect_rqts_to_drop':
drivers/net/ethernet/mellanox/mlx5/core/en_main.c:2238: error: unknown field 'rqn' specified in initializer
drivers/net/ethernet/mellanox/mlx5/core/en_main.c:2239: warning: missing braces around initializer
drivers/net/ethernet/mellanox/mlx5/core/en_main.c:2239: warning: (near initialization for 'drop_rrp.<anonymous>')
gcc-4.4.4 has issues with anonymous union initializers. Work around this.
Cc: Saeed Mahameed <saeedm@mellanox.com>
Cc: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Sending again, because forgot to include net-dev.
The QoS IP does not accept AVB capabilities to default/queue 0, this way we
guarantee 75% bandwidth for AVB. This patch assures that only queues >= 1
gets CBS confgured. Additional info was also added to stmmac.txt.
Reported-by: Niklas Cassel <niklas.cassel@axis.com>
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The AVOIDBLOCK flag determines the Tx confirmation queues processing
to be redirected to any available CPU when the current one is slow
in processing them. This may result in a higher Tx confirmation
interrupt count but may reduce pressure on a certain CPU that with
the previous setting would process all Tx confirmation frames.
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Accept the internal delay RGMII variants.
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Now that ibmvnic_release_resources will clean up all of our resources
properly, even if they were not allocated, we can just call this
for failues in ibmvnic_open.
This patch also moves the ibmvnic_release_resources() routine up
in the file to avoid creating a forward declaration ad re-names it to
drop the ibmvnic prefix.
Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Create an initialization and a release routine for the stats token used by
the ibmvnic driver.
Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Keeping two routines for releasing sub crqs, one for when irqs are not
initialized and one for when they are, is a bit of overkill. Merge the
two routines to a common release routine that will check for an irq
and release it if needed.
Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Move the initialization and the release of the rx pool to their own
routines, and update them to do validation.
Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Move the initialization and the release of the tx pool to their own routines,
and update them to do validation. This also adds validation to the release
of the long term buffer.
Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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