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path: root/drivers/staging/octeon/octeon-ethernet.h
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* staging: octeon-ethernet: update boilerplate commentsAaro Koskinen2015-04-301-20/+3
| | | | | | | | Update boilerplate comments to be more terse by removing redundant information. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* staging: octeon-ethernet: sgmii/xaui: make link poll genericAaro Koskinen2015-04-301-0/+1
| | | | | | | Make link poll generic to avoid copy paste. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* staging: octeon-ethernet: consolidate carrier notificationsAaro Koskinen2015-04-301-0/+4
| | | | | | | Always use cvm_oct_note_carrier() to avoid copy-pasted code. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* staging: octeon-ethernet: delete sgmii and xaui specific uninit functionsAaro Koskinen2015-04-301-2/+0
| | | | | | | Delete redundant wrappers. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* staging: octeon-ethernet: consolidate ndo_stop functionsAaro Koskinen2015-04-301-3/+0
| | | | | | | All ndo_stop functions are identical. Get rid of duplicated code. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* staging: octeon-ethernet: consolidate ndo_open functionsAaro Koskinen2015-04-301-0/+2
| | | | | | | | ndo_open for rgmii, sgmii and xaui are almost identical. Put the common code in a single function. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* staging: octeon-ethernet: drop multiple NAPI instancesAaro Koskinen2014-11-261-1/+0
| | | | | | | | | | | | | | | | | | | | Octeon Ethernet driver is currently trying to wake up multiple CPU cores for parallel NAPI processing when needed, to cope with the fact that all network interfaces are handled through the same receive queue processed by a single core/interrupt (see http://marc.info/?l=linux-kernel&m=137209784914565&w=2). This partially overlaps with generic RPS functionality. Commit a6a39a7fcff5 ("staging: octeon-ethernet: disable load balance for receiving packet when CONFIG_RPS is enabled") already disabled this when RPS is enabled. Let's delete this code altogether as it has issues like packet reordering and potential problems with CPU offlining/onlining. Tested on EdgeRouter Lite. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Acked-By: David Daney <david.daney@cavium.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* staging: octeon-ethernet: Move PHY activation to .ndo_open().David Daney2014-06-191-0/+4
| | | | | | | | | | | | | | | | | This prevents PHY not found types of errors for PHY drivers that are probed after the Ethernet driver is probed, because the ifconfig UP is done from userspace after all drivers have been probed. Also avoid the cvmx-helper-board.c PHY code if a real PHY driver is present, this allows a bootloader supplied device tree to specify the PHY information rather than having to modify the code for each different board. Tested-by: Alex Smith <alex.smith@imgtec.com> Signed-off-by: David Daney <david.daney@cavium.com> Signed-off-by: Alex Smith <alex.smith@imgtec.com> Cc: devel@driverdev.osuosl.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* staging: octeon: octeon-ethernet.h Fix Unnecessary space after function ↵Aybuke Ozdemir2014-03-181-1/+1
| | | | | | | | | | pointer name The patch fixes the following checkpatch.pl warnings: WARNING: Unnecessary space after function pointer name. Signed-off-by: Aybuke Ozdemir <aybuke.147@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* staging: octeon_ethernet: Convert to use device tree.David Daney2012-07-231-0/+3
| | | | | | | | | | | | | | Get MAC address and PHY connection from the device tree. The driver is converted to a platform driver. Signed-off-by: David Daney <david.daney@cavium.com> Acked-by: Grant Likely <grant.likely@secretlab.ca> Cc: linux-mips@linux-mips.org Cc: devicetree-discuss@lists.ozlabs.org Cc: Rob Herring <rob.herring@calxeda.com> Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/3940/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* Staging: Octeon: Reformat a bunch of comments.David Daney2010-02-271-7/+0
| | | | | | | | | | | 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>
* Staging: Octeon: Free transmit SKBs in a timely mannerDavid Daney2010-02-271-6/+3
| | | | | | | | | | | | | | | | | | | | | | | | 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.
* Staging: Octeon: Run phy bus accesses on a workqueue.David Daney2010-02-271-0/+4
| | | | | | | | | | | | | 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>
* Staging: Octeon Ethernet: Convert to NAPI.David Daney2010-02-271-0/+3
| | | | | | | | | | | | | | | | | 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>
* Staging: Octeon Ethernet: Rewrite transmit code.David Daney2010-02-271-0/+4
| | | | | | | | | | | | | 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>
* Staging: Octeon Ethernet: Remove unused code.David Daney2010-02-271-41/+0
| | | | | | | | | | 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>
* Staging: octeon-ethernet: Convert to use PHY Abstraction Layer.David Daney2009-12-171-3/+3
| | | | | | | | | 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>
* Staging: octeon-ethernet: Convert to use net_device_ops.David Daney2009-06-241-0/+11
| | | | | | | | | | | | 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>
* Staging: Add octeon-ethernet driver files.David Daney2009-06-171-0/+127
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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