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This change updates the link flow control configuration so that we
correctly set the link flow control settings for DCB. Previously we would
have to call the fc_enable call 8 times, once for each packet buffer. If
we move that logic into the fc_enable call itself we can avoid multiple
unnecessary register writes.
This change also corrects an issue in which we were only shifting the water
marks for 82599 parts by 6 instead of 10. This was resulting in us only
using 1/16 of the packet buffer when flow control was enabled.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This change makes it so that ixgbe_fc_autoneg is a void and always sets the
current_mode. Previously if the link was down we would return an error,
however there is no harm in simply treating a link down case as a case in
which autoneg simply failed. This allows us to rely on the return value of
the ixgbe_fc_enable call now since there should be no cases where it
returns an error that would normally be ignored.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Some of our adapters have thermal data available, this patch exports
this data via hwmon sysfs interface.
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Stephen Ko <stephen.s.ko@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch modifies ixgbe_get_pcie_msix_count_generic() to support
all current HW and removes the 82598 specific function.
- change the type of ixgbe_get_pcie_msix_count_generic() to u16
- include a check to make sure the maximum allowed number of vectors
is not exceeded.
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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A previous fix had gone though and disabled relaxed ordering for Rx
descriptor read fetching. This was not necessary as this functions
correctly and has no ill effects on the system.
In addition several of the defines used for the DCA control registers were
incorrect in that they indicated descriptor effects when they actually had
an impact on either data or header write back. As such I have update these
to correctly reflect either DATA or HEAD.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Stephen Ko <stephen.s.ko@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Booleans should not be compared to true or false
but be directly tested or tested with !.
Done via cocci script:
@@
bool t;
@@
- t == true
+ t
@@
bool t;
@@
- t != true
+ !t
@@
bool t;
@@
- t == false
+ !t
@@
bool t;
@@
- t != false
+ t
Signed-off-by: Joe Perches <joe@perches.com>
Reviewed-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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New year so bump the copyright date.
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Implement support for ethtool -E
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Tested-by: Stephen Ko <stephen.s.ko@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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82598 and 82599 do not ship with this type of PHY
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Stephen Ko <stephen.s.ko@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Disabling flow control in ixgbe_check_mac_link() results in incorrect
reporting by ethtool when link goes down, so remove it.
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Revise high and low threshold marks wrt flow control to account
for the X540 devices and latency introduced by the loopback
switch.
Without this it was in theory possible to drop frames on a
supposedly lossless link with X540 or SR-IOV enabled.
Previously we used a magic number in a define to calculate the
threshold values. This made it difficult to sort out exactly
which latencies were or were not being accounted for. Here
I was overly explicit and tried to used #define names that would
be recognizable after reading the IEEE 802.1Qbb specification.
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This change is meant to avoid a hardware lockup when Tx work is still
pending and we request a reset.
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The reset paths are overly complicated and are either missing steps or
contain extra unnecessary steps such as reading MAC address twice. This
change is meant to help clean up the reset paths an get things functioning
correctly.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Moves the Intel wired LAN drivers into drivers/net/ethernet/intel/ and
the necessary Kconfig and Makefile changes.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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