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The SPI protocol for the QCA7000 doesn't have any fault detection.
In order to increase the drivers reliability in noisy environments,
we could implement a write verification inspired by the enc28j60.
This should avoid situations were the driver wrongly assumes the
receive interrupt is enabled and miss all incoming packets.
This function is disabled per default and can be controlled via module
parameter wr_verify.
Signed-off-by: Michael Heimpold <[email protected]>
Signed-off-by: Stefan Wahren <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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This commit allows each TXQ to be picked in a round-robin fashion by
the PPv2 transmit scheduling mechanism. This is opposed to the default
behaviour that prioritizes the highest numbered queues.
Suggested-by: Yan Markman <[email protected]>
Signed-off-by: Maxime Chevallier <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Since the PPv2 controller has multiple TX queues, we can spread traffic
by assining TX queues to CPUs, allowing to use XPS to balance egress
traffic between CPUs.
Suggested-by : Yan Markman <[email protected]>
Signed-off-by: Maxime Chevallier <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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This patch fixes skb_shared area, which will be corrupted
upon reception of 4K jumbo packets.
Originally build_skb usage purpose was to reuse page for skb to eliminate
needs of extra fragments. But that logic does not take into account that
skb_shared_info should be reserved at the end of skb data area.
In case packet data consumes all the page (4K), skb_shinfo location
overflows the page. As a consequence, __build_skb zeroed shinfo data above
the allocated page, corrupting next page.
The issue is rarely seen in real life because jumbo are normally larger
than 4K and that causes another code path to trigger.
But it 100% reproducible with simple scapy packet, like:
sendp(IP(dst="192.168.100.3") / TCP(dport=443) \
/ Raw(RandString(size=(4096-40))), iface="enp1s0")
Fixes: 018423e90bee ("net: ethernet: aquantia: Add ring support code")
Reported-by: Friedemann Gerold <[email protected]>
Reported-by: Michael Rauch <[email protected]>
Signed-off-by: Friedemann Gerold <[email protected]>
Tested-by: Nikita Danilov <[email protected]>
Signed-off-by: Igor Russkikh <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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As diagnosed by Song Liu, ndo_poll_controller() can
be very dangerous on loaded hosts, since the cpu
calling ndo_poll_controller() might steal all NAPI
contexts (for all RX/TX queues of the NIC). This capture
can last for unlimited amount of time, since one
cpu is generally not able to drain all the queues under load.
nfp uses NAPI for TX completions, so we better let core
networking stack call the napi->poll() to avoid the capture.
Signed-off-by: Eric Dumazet <[email protected]>
Cc: Jakub Kicinski <[email protected]>
Acked-by: Jakub Kicinski <[email protected]>
Tested-by: Jakub Kicinski <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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As diagnosed by Song Liu, ndo_poll_controller() can
be very dangerous on loaded hosts, since the cpu
calling ndo_poll_controller() might steal all NAPI
contexts (for all RX/TX queues of the NIC). This capture
can last for unlimited amount of time, since one
cpu is generally not able to drain all the queues under load.
bnxt uses NAPI for TX completions, so we better let core
networking stack call the napi->poll() to avoid the capture.
Signed-off-by: Eric Dumazet <[email protected]>
Cc: Michael Chan <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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As diagnosed by Song Liu, ndo_poll_controller() can
be very dangerous on loaded hosts, since the cpu
calling ndo_poll_controller() might steal all NAPI
contexts (for all RX/TX queues of the NIC). This capture
can last for unlimited amount of time, since one
cpu is generally not able to drain all the queues under load.
bnx2x uses NAPI for TX completions, so we better let core
networking stack call the napi->poll() to avoid the capture.
Signed-off-by: Eric Dumazet <[email protected]>
Cc: Ariel Elior <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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As diagnosed by Song Liu, ndo_poll_controller() can
be very dangerous on loaded hosts, since the cpu
calling ndo_poll_controller() might steal all NAPI
contexts (for all RX/TX queues of the NIC). This capture
can last for unlimited amount of time, since one
cpu is generally not able to drain all the queues under load.
mlx5 uses NAPI for TX completions, so we better let core
networking stack call the napi->poll() to avoid the capture.
Signed-off-by: Eric Dumazet <[email protected]>
Cc: Saeed Mahameed <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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As diagnosed by Song Liu, ndo_poll_controller() can
be very dangerous on loaded hosts, since the cpu
calling ndo_poll_controller() might steal all NAPI
contexts (for all RX/TX queues of the NIC). This capture
can last for unlimited amount of time, since one
cpu is generally not able to drain all the queues under load.
mlx4 uses NAPI for TX completions, so we better let core
networking stack call the napi->poll() to avoid the capture.
Signed-off-by: Eric Dumazet <[email protected]>
Cc: Tariq Toukan <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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As diagnosed by Song Liu, ndo_poll_controller() can
be very dangerous on loaded hosts, since the cpu
calling ndo_poll_controller() might steal all NAPI
contexts (for all RX/TX queues of the NIC). This capture
can last for unlimited amount of time, since one
cpu is generally not able to drain all the queues under load.
i40evf uses NAPI for TX completions, so we better let core
networking stack call the napi->poll() to avoid the capture.
Signed-off-by: Eric Dumazet <[email protected]>
Cc: Jeff Kirsher <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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As diagnosed by Song Liu, ndo_poll_controller() can
be very dangerous on loaded hosts, since the cpu
calling ndo_poll_controller() might steal all NAPI
contexts (for all RX/TX queues of the NIC). This capture
can last for unlimited amount of time, since one
cpu is generally not able to drain all the queues under load.
ice uses NAPI for TX completions, so we better let core
networking stack call the napi->poll() to avoid the capture.
Signed-off-by: Eric Dumazet <[email protected]>
Cc: Jeff Kirsher <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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As diagnosed by Song Liu, ndo_poll_controller() can
be very dangerous on loaded hosts, since the cpu
calling ndo_poll_controller() might steal all NAPI
contexts (for all RX/TX queues of the NIC). This capture
can last for unlimited amount of time, since one
cpu is generally not able to drain all the queues under load.
igb uses NAPI for TX completions, so we better let core
networking stack call the napi->poll() to avoid the capture.
Signed-off-by: Eric Dumazet <[email protected]>
Cc: Jeff Kirsher <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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As diagnosed by Song Liu, ndo_poll_controller() can
be very dangerous on loaded hosts, since the cpu
calling ndo_poll_controller() might steal all NAPI
contexts (for all RX/TX queues of the NIC). This capture
can last for unlimited amount of time, since one
cpu is generally not able to drain all the queues under load.
ixgb uses NAPI for TX completions, so we better let core
networking stack call the napi->poll() to avoid the capture.
This also removes a problematic use of disable_irq() in
a context it is forbidden, as explained in commit
af3e0fcf7887 ("8139too: Use disable_irq_nosync() in
rtl8139_poll_controller()")
Signed-off-by: Eric Dumazet <[email protected]>
Cc: Jeff Kirsher <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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As diagnosed by Song Liu, ndo_poll_controller() can
be very dangerous on loaded hosts, since the cpu
calling ndo_poll_controller() might steal all NAPI
contexts (for all RX/TX queues of the NIC). This capture
lasts for unlimited amount of time, since one
cpu is generally not able to drain all the queues under load.
fm10k uses NAPI for TX completions, so we better let core
networking stack call the napi->poll() to avoid the capture.
Signed-off-by: Eric Dumazet <[email protected]>
Cc: Jeff Kirsher <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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As diagnosed by Song Liu, ndo_poll_controller() can
be very dangerous on loaded hosts, since the cpu
calling ndo_poll_controller() might steal all NAPI
contexts (for all RX/TX queues of the NIC). This capture
can last for unlimited amount of time, since one
cpu is generally not able to drain all the queues under load.
ixgbevf uses NAPI for TX completions, so we better let core
networking stack call the napi->poll() to avoid the capture.
Signed-off-by: Eric Dumazet <[email protected]>
Cc: Jeff Kirsher <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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As diagnosed by Song Liu, ndo_poll_controller() can
be very dangerous on loaded hosts, since the cpu
calling ndo_poll_controller() might steal all NAPI
contexts (for all RX/TX queues of the NIC). This capture
can last for unlimited amount of time, since one
cpu is generally not able to drain all the queues under load.
ixgbe uses NAPI for TX completions, so we better let core
networking stack call the napi->poll() to avoid the capture.
Reported-by: Song Liu <[email protected]>
Signed-off-by: Eric Dumazet <[email protected]>
Tested-by: Song Liu <[email protected]>
Cc: Jeff Kirsher <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Up until now, mlxsw tolerated firmware versions that weren't exactly
matching the required version, if the branch number matched. That
allowed the users to test various firmware versions as long as they were
on the right branch.
On the other hand, it made it impossible for mlxsw to put a hard lower
bound on a version that fixes all problems known to date. If a user had
a somewhat older FW version installed, mlxsw would start up just fine,
possibly performing non-optimally as it would use features that trigger
problematic behavior.
Therefore tweak the check to accept any FW version that is:
- on the same branch as the preferred version, and
- the same as or newer than the preferred version.
Signed-off-by: Petr Machata <[email protected]>
Reviewed-by: Jiri Pirko <[email protected]>
Signed-off-by: Ido Schimmel <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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This patch removes hclge_get_port_type which is redundant.
Signed-off-by: Fuyun Liang <[email protected]>
Signed-off-by: Peng Li <[email protected]>
Signed-off-by: Salil Mehta <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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ethx cmd of VF
Our VF has not implemented the ops for get_port_type. So when we executing
ethtool ethx cmd of VF, hns3_get_link_ksettings will return directly. And
we can not query anything.
To support get_link_ksettings for VF, this patch replaces get_port_type
with get_media_type. If the media type is HNAE3_MEDIA_TYPE_NONE,
hns3_get_link_ksettings will return link information of VF.
Fixes: 12f46bc1d447 ("net: hns3: Refine hns3_get_link_ksettings()")
Signed-off-by: Fuyun Liang <[email protected]>
Signed-off-by: Peng Li <[email protected]>
Signed-off-by: Salil Mehta <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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This patch adds the ops of get_media_type support for VF.
Signed-off-by: Fuyun Liang <[email protected]>
Signed-off-by: Peng Li <[email protected]>
Signed-off-by: Salil Mehta <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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There are already multiple types packets statistics for error packets,
it's unnecessary to print them, which may affect the rx performance if
print too many.
Signed-off-by: Jian Shen <[email protected]>
Signed-off-by: Peng Li <[email protected]>
Signed-off-by: Salil Mehta <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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For dma_mapping_error is unlikely happened, this patch adds unlikely for
dma_mapping_error check.
Signed-off-by: Jian Shen <[email protected]>
Signed-off-by: Peng Li <[email protected]>
Signed-off-by: Salil Mehta <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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When nic down, it firstly calls netif_tx_stop_all_queues(), then calls
napi_disable(). But napi_disable() will wait current napi_poll finish,
it may call netif_tx_wake_queue(). This patch fixes it by add nic state
checking.
Fixes: 424eb834a9be ("net: hns3: Unified HNS3 {VF|PF} Ethernet Driver for hip08 SoC")
Signed-off-by: Jian Shen <[email protected]>
Signed-off-by: Peng Li <[email protected]>
Signed-off-by: Salil Mehta <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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There are a few "switch-case" codes missed handle for default case. For
some abnormal case, it should return error code instead of return 0.
Signed-off-by: Jian Shen <[email protected]>
Signed-off-by: Peng Li <[email protected]>
Signed-off-by: Salil Mehta <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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The prefix of most functions for vf are hclgevf. This patch renames the
function with inconsistent prefix.
Signed-off-by: Jian Shen <[email protected]>
Signed-off-by: Peng Li <[email protected]>
Signed-off-by: Salil Mehta <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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There are two tqp_num variables "hdev->tqp_num" and "kinfo->tqp_num"
used in VF. "hdev->tqp_num" is the total tqp number allocated to the
VF, and "kinfo->tqp_num" indicates the tqp number being used by the
VF. Usually the two variables are equal. But for the case hdev->tqp_num
larger than rss_size_max, and num_tc is 1, "kinfo->tqp_num" will be
less than "hdev->tqp_num".
In original codes, "hdev->tqp_num" is always used to traverse the
tqp array of kinfo. It may cause null pointer error when "hdev->tqp_num"
is larger than "kinfo->tqp_num"
Fixes: e2cb1dec9779 ("net: hns3: Add HNS3 VF HCL(Hardware Compatibility Layer) Support")
Signed-off-by: Jian Shen <[email protected]>
Signed-off-by: Peng Li <[email protected]>
Signed-off-by: Salil Mehta <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Some prefix of tx/rx statistic names are redundant, this patch modifies
these names.
The new prefix looks like below:
rxq#1_ -> rxq1_
txq#1_ -> txq1_
tx_dropped -> dropped
tx_wake -> wake
tx_busy -> busy
rx_dropped -> dropped
Signed-off-by: Jian Shen <[email protected]>
Signed-off-by: Peng Li <[email protected]>
Signed-off-by: Salil Mehta <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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For desc.data is already point to the address of struct member "data[6]",
it's unnecessary to use '&' to get its address. This patch unifies all
the type convert for dest.data, using "req = (struct name *)dest.data".
Signed-off-by: Jian Shen <[email protected]>
Signed-off-by: Peng Li <[email protected]>
Signed-off-by: Salil Mehta <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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There is a defect in hclge_ets_validate(). If each member of tc_tsa is
not IEEE_8021QAZ_TSA_ETS, the variable total_ets_bw won't be updated.
In this case, the check for value of total_ets_bw will fail. This patch
fixes it by checking total_ets_bw only after it has been updated.
Fixes: cacde272dd00 ("net: hns3: Add hclge_dcb module for the support of DCB feature")
Signed-off-by: Jian Shen <[email protected]>
Signed-off-by: Peng Li <[email protected]>
Signed-off-by: Salil Mehta <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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The previous commit to ravb had the side effect of making the PHY
advertise Pause and Asym Pause, which previously did not happen. By
default, phydev->supported has both forms of pause enabled, but
phydev->advertising does not. The new phy_remove_link_mode() copies
phydev->supported to phydev->advertising after removing the requested
link mode. These Pause configuration bits appears it stops the PHY
from completing Auto-Neg and the link remains down. Be explicit and
remove the Pause and Asym Pause modes, so restoring the old behavior.
Fixes: 41124fa64d4b ("net: ethernet: Add helper to remove a supported link mode")
Reported-by: Simon Horman <[email protected]>
Signed-off-by: Andrew Lunn <[email protected]>
Reviewed-by: Sergei Shtylyov <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Clang warns that the address of a pointer will always evaluated as true
in a boolean context:
drivers/net/ethernet/mellanox/mlx4/eq.c:243:11: warning: address of
array 'eq->affinity_mask' will always evaluate to 'true'
[-Wpointer-bool-conversion]
if (!eq->affinity_mask || cpumask_empty(eq->affinity_mask))
~~~~~^~~~~~~~~~~~~
1 warning generated.
Use cpumask_available, introduced in commit f7e30f01a9e2 ("cpumask: Add
helper cpumask_available()"), which does the proper checking and avoids
this warning.
Link: https://github.com/ClangBuiltLinux/linux/issues/86
Signed-off-by: Nathan Chancellor <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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The method ndo_start_xmit() is defined as returning an 'netdev_tx_t',
which is a typedef for an enum type, so make sure the implementation in
this driver has returns 'netdev_tx_t' value, and change the function
return type to netdev_tx_t.
Found by coccinelle.
Signed-off-by: YueHaibing <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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The method ndo_start_xmit() is defined as returning an 'netdev_tx_t',
which is a typedef for an enum type, so make sure the implementation in
this driver has returns 'netdev_tx_t' value, and change the function
return type to netdev_tx_t.
Found by coccinelle.
Signed-off-by: YueHaibing <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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The method ndo_start_xmit() is defined as returning an 'netdev_tx_t',
which is a typedef for an enum type, so make sure the implementation in
this driver has returns 'netdev_tx_t' value, and change the function
return type to netdev_tx_t.
Found by coccinelle.
Signed-off-by: YueHaibing <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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The method ndo_start_xmit() is defined as returning an 'netdev_tx_t',
which is a typedef for an enum type, so make sure the implementation in
this driver has returns 'netdev_tx_t' value, and change the function
return type to netdev_tx_t.
Found by coccinelle.
Signed-off-by: YueHaibing <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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The method ndo_start_xmit() is defined as returning an 'netdev_tx_t',
which is a typedef for an enum type, so make sure the implementation in
this driver has returns 'netdev_tx_t' value, and change the function
return type to netdev_tx_t.
Found by coccinelle.
Signed-off-by: YueHaibing <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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The method ndo_start_xmit() is defined as returning an 'netdev_tx_t',
which is a typedef for an enum type, so make sure the implementation in
this driver has returns 'netdev_tx_t' value, and change the function
return type to netdev_tx_t.
Found by coccinelle.
Signed-off-by: YueHaibing <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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The method ndo_start_xmit() is defined as returning an 'netdev_tx_t',
which is a typedef for an enum type, so make sure the implementation in
this driver has returns 'netdev_tx_t' value, and change the function
return type to netdev_tx_t.
Found by coccinelle.
Signed-off-by: YueHaibing <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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The method ndo_start_xmit() is defined as returning an 'netdev_tx_t',
which is a typedef for an enum type, so make sure the implementation in
this driver has returns 'netdev_tx_t' value, and change the function
return type to netdev_tx_t.
Found by coccinelle.
Signed-off-by: YueHaibing <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Clang warns when a variable is assigned to itself.
drivers/net/ethernet/brocade/bna/bna_enet.c:1800:9: warning: explicitly
assigning value of variable of type 'int' to itself [-Wself-assign]
for (i = i; i < (bna->ioceth.attr.num_ucmac * 2); i++)
~ ^ ~
drivers/net/ethernet/brocade/bna/bna_enet.c:1835:9: warning: explicitly
assigning value of variable of type 'int' to itself [-Wself-assign]
for (i = i; i < (bna->ioceth.attr.num_mcmac * 2); i++)
~ ^ ~
2 warnings generated.
Link: https://github.com/ClangBuiltLinux/linux/issues/110
Signed-off-by: Nathan Chancellor <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Clang warns when multiple pairs of parentheses are used for a single
conditional statement.
drivers/net/ethernet/neterion/vxge/vxge-traffic.c:2265:31: warning:
equality comparison with extraneous parentheses [-Wparentheses-equality]
if ((hldev->config.intr_mode ==
VXGE_HW_INTR_MODE_MSIX_ONE_SHOT))
~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/ethernet/neterion/vxge/vxge-traffic.c:2265:31: note: remove
extraneous parentheses around the comparison to silence this warning
if ((hldev->config.intr_mode ==
VXGE_HW_INTR_MODE_MSIX_ONE_SHOT))
~ ^ ~
drivers/net/ethernet/neterion/vxge/vxge-traffic.c:2265:31: note: use '='
to turn this equality comparison into an assignment
if ((hldev->config.intr_mode ==
VXGE_HW_INTR_MODE_MSIX_ONE_SHOT))
^~
=
1 warning generated.
Link: https://github.com/ClangBuiltLinux/linux/issues/124
Signed-off-by: Nathan Chancellor <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Remove a trailing underscore from the multicast/unicast names.
Signed-off-by: Mark Bloch <[email protected]>
Reviewed-by: Yishai Hadas <[email protected]>
Signed-off-by: Leon Romanovsky <[email protected]>
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Provide current link status of VF in ndo_get_vf_config
handler.
Signed-off-by: Shahed Shaikh <[email protected]>
Signed-off-by: Ariel Elior <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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This is a workaround for FW bug -
MFW generates bandwidth attention in single function mode, which
is only expected to be generated in multi function mode.
This undesired attention in SF mode results in incorrect HW
configuration and resulting into Tx timeout.
Signed-off-by: Shahed Shaikh <[email protected]>
Signed-off-by: Ariel Elior <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Add support for `ndo_set_vf_spoofchk' to allow PF control over
its VF spoof-checking configuration.
Signed-off-by: Shahed Shaikh <[email protected]>
Signed-off-by: Ariel Elior <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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When extracting frames from the Ocelot switch, the frame check sequence
(FCS) is present at the end of the data extracted. The FCS was put into
the sk buffer which introduced some issues (as length related ones), as
the FCS shouldn't be part of an Rx sk buffer.
This patch fixes the Ocelot switch extraction behaviour by discarding
the FCS.
Fixes: a556c76adc05 ("net: mscc: Add initial Ocelot switch support")
Signed-off-by: Antoine Tenart <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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kfree_skb has taken the null pointer into account. hence it is safe
to remove the redundant null pointer check before kfree_skb.
Signed-off-by: zhong jiang <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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kfree_skb has taken the null pointer into account. hence it is safe
to remove the redundant null pointer check before kfree_skb.
Signed-off-by: zhong jiang <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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The continue will not truely skip any code. hence it is safe to
remove it.
Signed-off-by: zhong jiang <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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The continue will not truely skip any code. hence it is safe to
remove it.
Signed-off-by: zhong jiang <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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