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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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In case, if TX watchdog is fired some or all netdev TX queues will be
stopped and as part of recovery it is required not only to drain and
reinitailize CPSW TX channeles, but also wake up stoppted TX queues what
doesn't happen now and netdevice will stop transmiting data until
reopenned.
Hence, add netif_tx_wake_all_queues() call in .ndo_tx_timeout() to complete
recovery and restore TX path.
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.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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This driver uses interfaces from linux/of.h and linux/property.h but
relies on implict inclusion of those headers which means that changes in
other headers could break the build, as happened in -next for arm today.
Add a explicit includes.
Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The current code only supports DT to check SFP present.
This patch adds ACPI support as well.
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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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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Move the handling of initialization and releasing the bounce buffer to their
own init and release routines.
Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Update the initialization and release routines for the crq queue so that
we validate the crq queue.
Additionally this updates the naming of the init and release routines
for the crq queue to drop the ibmvnic prefix. This matches the naming
for similar routines in the driver
Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use cpu_to_le32() for link_config variable in set_logical_link_config
command as this variable is of type u32.
Signed-off-by: Suresh Reddy <suresh.reddy@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The debugfs support in the ibmvnic driver is not, and never has been,
supported. Just remove it.
The work done in the debugfs code for the driver was part of the original
spec for the ibmvnic driver. The corresponding support for this from the
server side was never supported and has been dropped.
Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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These files all use functions declared in interrupt.h, but currently rely
on implicit inclusion of this file (via netns/xfrm.h).
That won't work anymore when the flow cache is removed so include that
header where needed.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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ATM dwmac-rk will always set and enable it's internal delay lines.
Using PHY internal delays in combination with the phy-mode
rgmii-id/rxid/txid was not possible. Only rgmii was supported.
Now we can disable rockchip's gmac delay lines and also use
rgmii-id/rxid/txid.
Tested only with a RK3288 based board.
Signed-off-by: Wadim Egorov <w.egorov@phytec.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The commit aff3d9eff843 ("net: stmmac: enable multiple buffers") breaks
numerous boards. while some patch exists for fixing some of it,
dwmac-sunxi is still broken with it.
Since this patch is very huge, it will be better to split it in smaller
part.
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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After a new NAPI_STATE_MISSED state was added to NAPI we can get into
this state and in such case we have to reschedule NAPI as some work is
still pending and we have to process it. napi_complete_done() function
returns false if we have to reschedule something (e.g. in case we were
in MISSED state) as current polling have not been completed yet.
nps_enet driver hasn't been verifying the return value of
napi_complete_done() and has been forcibly enabling interrupts. That is
not correct as we should not enable interrupts before we have processed
all scheduled work. As a result we were getting trapped in interrupt
hanlder chain as we had never been able to disabale ethernet
interrupts again.
So this patch makes nps_enet_poll() func verify return value of
napi_complete_done() and enable interrupts only in case all scheduled
work has been completed.
Signed-off-by: Vlad Zakharov <vzakhar@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue
Jeff Kirsher says:
====================
40GbE Intel Wired LAN Driver Updates 2017-03-29
This series contains updates to i40e and i40evf only.
Preethi changes the default driver mode of operation to descriptor
write-back for VF.
Alex cleans up and addresses several issues in the way that i40e handles
private flags. Modifies the driver to use the length of the packet
instead of the DD status bit to determine if a new descriptor is ready
to be processed. Refactors the driver by pulling the code responsible
for fetching the receive buffer and synchronizing DMA into a single
function. Also pulled the code responsible for handling buffer
recycling and page counting and distributed it through several functions,
so we can commonize the bits that handle either freeing or recycling the
buffers. Cleans up the code in preparation for us adding support for
build_skb(). Changed the way we handle the maximum frame size for the
receive path so it is more consistent with other drivers.
Paul enables XL722 to use the direct read/write method since it does not
support the AQ command to read/write the control register.
Christopher fixes a case where we miss an arq element if a new one is
added before we enable interrupts and exit the loop.
Jake cleans up a pointless goto statement. Also cleaned up a flag that
was not being used.
Carolyn does round 2 for adding a delay to the receive queue to
accommodate the hardware needs.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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I found a bug by:
0. boot and start dhcp client
1. echo mem > /sys/power/state
2. resume back immediately
3. don't touch dhcp client to renew the lease
4. ping the gateway. No acks
Usually, after step2, the DHCP lease isn't expired, so in theory we
should resume all back. But in fact, it doesn't. It turns out
the rx mode isn't resumed correctly. This patch fixes it by adding
mvneta_set_rx_mode(dev) in the resume hook if interface is running.
Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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RGMII_RXID and RGMII_TX_ID share the same GMAC CTRL setting as RGMII
or RGMII_ID.
Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In bnxt_free_rx_skbs(), which is called to free up all RX buffers during
shutdown, we need to unmap the page if we are running in XDP mode.
Fixes: c61fb99cae51 ("bnxt_en: Add RX page mode support.")
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: Sankar Patchineelam <sankar.patchineelam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Net device reset can fail when the h/w or f/w is in a bad state.
Subsequent netdevice open fails in bnxt_hwrm_stat_ctx_alloc().
The cleanup invokes bnxt_hwrm_resource_free() which inturn
calls bnxt_disable_int(). In this routine, the code segment
if (ring->fw_ring_id != INVALID_HW_RING_ID)
BNXT_CP_DB(cpr->cp_doorbell, cpr->cp_raw_cons);
results in NULL pointer dereference as cpr->cp_doorbell is not yet
initialized, and fw_ring_id is zero.
The fix is to initialize cpr fw_ring_id to INVALID_HW_RING_ID before
bnxt_init_chip() is invoked.
Signed-off-by: Sankar Patchineelam <sankar.patchineelam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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