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Many of the comments didn't follow kerneldoc guidlines.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
To: linux-mips@linux-mips.org
To: netdev@vger.kernel.org
To: gregkh@suse.de
Patchwork: http://patchwork.linux-mips.org/patch/971/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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If we wait for the once-per-second cleanup to free transmit SKBs,
sockets with small transmit buffer sizes might spend most of their
time blocked waiting for the cleanup.
Normally we do a cleanup for each transmitted packet. We add a
watchdog type timer so that we also schedule a timeout for 150uS after
a packet is transmitted. The watchdog is reset for each transmitted
packet, so for high packet rates, it never expires. At these high
rates, the cleanups are done for each packet so the extra watchdog
initiated cleanups are neither needed nor triggered.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
To: linux-mips@linux-mips.org
To: netdev@vger.kernel.org
To: gregkh@suse.de
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Patchwork: http://patchwork.linux-mips.org/patch/968/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This version has spelling and comment changes based on feedback from
Eric Dumazet.
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When directly accessing a phy, we must acquire the mdio bus lock. To
do that we cannot be in interrupt context, so we need to move these
operations to a workqueue.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
To: linux-mips@linux-mips.org
To: netdev@vger.kernel.org
To: gregkh@suse.de
Patchwork: http://patchwork.linux-mips.org/patch/965/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Convert the driver to be a reasonably well behaved NAPI citizen.
There is one NAPI instance per CPU shared between all input ports. As
receive backlog increases, NAPI is scheduled on additional CPUs.
Receive buffer refill code factored out so it can also be called from
the periodic timer. This is needed to recover from temporary buffer
starvation conditions.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
To: linux-mips@linux-mips.org
To: gregkh@suse.de
Patchwork: http://patchwork.linux-mips.org/patch/839/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Stop the queue if too many packets are queued. Restart it from a high
resolution timer.
Rearrange and simplify locking and SKB freeing code
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
To: linux-mips@linux-mips.org
To: gregkh@suse.de
Patchwork: http://patchwork.linux-mips.org/patch/843/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Remove unused code, reindent, and join some spilt strings.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
To: linux-mips@linux-mips.org
To: gregkh@suse.de
Patchwork: http://patchwork.linux-mips.org/patch/842/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The octeon-ethernet driver shares an mdio bus with the octeon-mgmt
driver. Here we convert the octeon-ethernet driver to use the PHY
Abstraction Layer.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Convert the driver to use net_device_ops as it is now mandatory.
Also compensate for the removal of struct sk_buff's dst field.
The changes are mostly mechanical, the content of ethernet-common.c
was moved to ethernet.c and ethernet-common.{c,h} are removed.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The octeon-ethernet driver supports the sgmii, rgmii, spi, and xaui
ports present on the Cavium OCTEON family of SOCs. These SOCs are
multi-core mips64 processors with existing support over in arch/mips.
The driver files can be categorized into three basic groups:
1) Register definitions, these are named cvmx-*-defs.h
2) Main driver code, these have names that don't start cvmx-.
3) Interface specific functions and other utility code, names starting
with cvmx-
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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