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This patch contains fixes identified by checkpatch when run with the
strict option.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The flushing of the Tx hardware queues is only supported at a certain
level of the hardware. Retrieve the current version of the hardware
and use that to determine if flushing is supported.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The header linux/phy.h was included twice, so delete one of them.
Signed-off-by: Jean Sacren <sakiwit@gmail.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A change added to the mdiobus/phy api added a module_get/module_put
during phy connect/disconnect processing. Currently, the driver
performs a phy connect during module probe and a phy disconnect during
module remove. With the addition of the module_get during phy connect
the amd-xgbe module use count is incremented and can no longer be
unloaded.
Move the phy connect/disconnect from the driver probe/remove functions
to the net_device_ops ndo_open/ndo_stop functions. This allows the
module use count to be decremented when the device(s) are brought down
and allows the module to be unloaded.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds support for traffic classes as well as support
for Data Center Bridging interfaces related to traffic classes
and priority flow control.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds support for Tx and Rx hardware timestamping.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch provides some general performance enhancements for the
driver:
- Modify the default coalescing settings (reduce usec, increase frames)
- Change the AXI burst length to 256 bytes (default was 16 bytes which
was smaller than a cache line)
- Change the AXI cache settings to write-back/write-allocate which
allocate cache entries for received packets during the DMA since the
packet will be processed soon afterwards
- Combine ioread/iowrite when disabling both the Tx and Rx interrupts
- Change to processing the Tx/Rx channels in pairs
- Only recycle the Rx descriptors when a threshold of dirty descriptors
is reached
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently the napi context is added using netif_napi_add each time
the ndo_open operation is called. However, there is not a
corresponding netif_napi_del call during the ndo_stop operation. If
the device ndo_open operation was called more than once an infinite
loop occurs during module unload. Add a call to netif_napi_del during
the ndo_stop operation.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently the driver makes use of the additional mac address
registers in the hardware to provide perfect filtering. The
hardware can also have a set of hash table registers that can
be used for imperfect filtering. By using imperfect filtering
the additional mac address registers can be used for layer 2
filtering support. Use the hash table registers if the device
has them.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds support for (imperfect) filtering of
VLAN tag ids using a 16-bit filter hash table. When
VLANs are added, a 4-bit hash is calculated with the
result indicating the bit in the hash table to set.
This table is used by the hardware to drop packets with
a VLAN id that does not hash to a set bit in the table.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In order to avoid conflicts with other include files, add
a prefix to the defines in xgbe.h.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch provides the initial platform driver for the AMD
10GbE device.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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