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path: root/drivers/net/vxge/vxge-traffic.h
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* s2io/vxge: Move the Exar driversJeff Kirsher2011-08-11
| | | | | | | | Move the Exar drivers into drivers/net/ethernet/neterion/ and make the necessary Kconfig and Makefile changes. CC: Jon Mason <jdmason@kudzu.us> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* vxge: always enable hardware time stampJon Mason2011-04-12
| | | | | | | | | | | | | | Hardware time stamp calculation can only be enabled by the privileged function. Enable it always by default and simply use the ethtool interface to set a flag to indicate whether or not the respective function driver should indicate the timestamp along with the received packet. Also, make certain fields in vxge_hw_device_config bit-fields to reduce the size of the struct. Signed-off-by: Jon Mason <jdmason@kudzu.us> Signed-off-by: David S. Miller <davem@davemloft.net>
* Fix common misspellingsLucas De Marchi2011-03-31
| | | | | | Fixes generated by 'codespell' and manually reviewed. Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
* vxge: MSIX one shot modeJon Mason2011-01-20
| | | | | | | | | | | | To reduce the possibility of losing an interrupt in the handler due to a race between an interrupt processing and disable/enable of interrupts, enable MSIX one shot. Also, add support for adaptive interrupt coalesing Signed-off-by: Jon Mason <jon.mason@exar.com> Signed-off-by: Masroor Vettuparambil <masroor.vettuparambil@exar.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'for-next' of ↵Linus Torvalds2011-01-13
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (43 commits) Documentation/trace/events.txt: Remove obsolete sched_signal_send. writeback: fix global_dirty_limits comment runtime -> real-time ppc: fix comment typo singal -> signal drivers: fix comment typo diable -> disable. m68k: fix comment typo diable -> disable. wireless: comment typo fix diable -> disable. media: comment typo fix diable -> disable. remove doc for obsolete dynamic-printk kernel-parameter remove extraneous 'is' from Documentation/iostats.txt Fix spelling milisec -> ms in snd_ps3 module parameter description Fix spelling mistakes in comments Revert conflicting V4L changes i7core_edac: fix typos in comments mm/rmap.c: fix comment sound, ca0106: Fix assignment to 'channel'. hrtimer: fix a typo in comment init/Kconfig: fix typo anon_inodes: fix wrong function name in comment fix comment typos concerning "consistent" poll: fix a typo in comment ... Fix up trivial conflicts in: - drivers/net/wireless/iwlwifi/iwl-core.c (moved to iwl-legacy.c) - fs/ext4/ext4.h Also fix missed 'diabled' typo in drivers/net/bnx2x/bnx2x.h while at it.
| * tree-wide: fix comment/printk typosUwe Kleine-König2010-11-01
| | | | | | | | | | | | | | | | | | | | "gadget", "through", "command", "maintain", "maintain", "controller", "address", "between", "initiali[zs]e", "instead", "function", "select", "already", "equal", "access", "management", "hierarchy", "registration", "interest", "relative", "memory", "offset", "already", Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* | vxge: code cleanup and reorganizationJon Mason2010-12-10
| | | | | | | | | | | | | | | | | | Move function locations to remove the need for internal declarations and other misc clean-ups. Signed-off-by: Jon Mason <jon.mason@exar.com> Signed-off-by: Arpit Patel <arpit.patel@exar.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | vxge: enable rxhashJon Mason2010-11-11
|/ | | | | | | | | | | | Enable RSS hashing and add ability to pass up the adapter calculated rx hash up the network stack (if feature is available). Add the ability to enable/disable feature via ethtool, which requires that the adapter is not running at the time. Other miscellaneous cleanups and fixes required to get RSS working. Signed-off-by: Jon Mason <jon.mason@exar.com> Signed-off-by: Ram Vepa <ram.vepa@exar.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* vxge: make functions local and remove dead codestephen hemminger2010-10-24
| | | | | | | | | | | | Use results of make namespacecheck to make functions local and remove code that is not used. Also rename initialize_ethtool_ops to vxge_initialize_ethtool_ops. Compile tested only. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* vxge: Update copyright informationJon Mason2010-07-15
| | | | | | | | | Update copyright information to reflect the Exar purchase of Neterion Signed-off-by: Jon Mason <jon.mason@exar.com> Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@exar.com> Signed-off-by: Ramkrishna Vepa <ramkrishna.vepa@exar.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* vxge: Fixed MSIX interrupt configuration.Sreenivasa Honnur2010-03-29
| | | | | | | | | | | | | | | | - Fixed MSIX interrupt configuration to support non contiguous vpaths in functions. Four msi-x vectors are reserved per vpath internal to the chip. In all, there are 68 msi-x vectors for the 17 vpaths in the chip. In the multi function configurations, non-contiguous vpaths are configured to represent a function. For instance vpaths 0 and 8 can be configured to represent function zero. - If pci_enable_msix fails for the requested vectors, try with a lesser number vectors by reducing the vpath count. Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@neterion.com> Signed-off-by: Ramkrishna Vepa <ram.vepa@neterion.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* vxge: Fix starvation of receive ring controller when blasted by short packets.Sreenivasa Honnur2010-03-29
| | | | | | | | | | | | - Fix starvation of receive ring controller when blasted by short packets. This was because the driver was posting 64 rxds initially while the ring controller was expecting to read 256 replenished rxds. While the driver was coming up, the internal rxd memory filled up the 64 buffers provided and the ring controller was left waiting for the remaining 192 rxds to complete the write back of completed rxds to the host and generation of an interrupt. Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@neterion.com> Signed-off-by: Ramkrishna Vepa <ram.vepa@neterion.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* vxge: Fix a receive stall due to driver being out of synch with chip.Sreenivasa Honnur2010-03-29
| | | | | | | | | | | | | | | | | - Fix a receive stall due to driver being out of synch with chip. In a corner case scenario the adapter's ring controller may return a RxD with transfer code of 0xC, while the host ownership bit is still set to the adapter. The driver needs to assume that this case where (host_ownership == 1 or adapter) and (transfer_code == 0xC) is valid, that is, this RxD has been returned by the receive ring controller but no frame data is associated with the rxd. - Restore the transfer code field of each newly replenished RxD to 0x0. - Code cleanup. Removed usage of magic numbers. Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@neterion.com> Signed-off-by: Ramkrishna Vepa <ram.vepa@neterion.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* vxge: Allow multiple functions with INTA.Sreenivasa Honnur2009-10-06
| | | | | | | | | | - Allow multiple functions with INTA. - Removed the condition to allow only one vpath with INTA - Ensure that the alarm bit in titan_mask_all_int register is cleared when driver exits. Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@neterion.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* vxge: fix pktgen hangs (don't abuse skb->cb[])Benjamin LaHaise2009-08-05
| | | | | | | | | | | | | | | | | | This patch fixes a case in the transmit completion code which was resulting in pktgen hanging at the end of a run. The cause is due to the fact that the ->cb[] area of an skb cannot be used in a network driver's transmit path, as that area belongs to the network protocol. Pktgen hangs, as it sends out the same packet multiple times, and vxge's use of this area of the skb for a temporary list can only add the packet to the temporary list once (while it may be on the queue many times). The fix is to remove this abuse of skb->cb[]. Instead, skb pointers are placed into a temporary stack array, and then free outside of the tx lock. This retains the smp optimization of doing dev_kfree_skb() outside of the tx lock. Signed-off-by: Benjamin LaHaise <ben.lahaise@neterion.com> Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@neterion.com> Signed-off-by: Ramkrishna Vepa <ram.vepa@neterion.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* vxge: Removed the code to bounds check the mss valueSreenivasa Honnur2009-07-05
| | | | | | | | | - Removed the code to bounds check the mss value. The hardware does bounds checking and will not allow an oversized mss to lockup the transmit path. Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@neterion.com> Signed-off-by: Ramkrishna Vepa <ram.vepa@neterion.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Neterion: New driver: Traffic & alarm handlerRamkrishna Vepa2009-04-02
This patch takes care of trafic handling related APIS. - Interrupt Enable and disable - Mask / Unmask Interrupt - Traffic Interrupt handling. - Alarm Interrupt handling. - Changes in this submission - - General clean up - removed redundant includes, defines and macros. - Changes in previous submissions - - General cleanup - removed unused functions and variables. - Use asserts where necessary - Reported by Andi Kleen - Fixed sparse warnings - Reported by Andi Kleen - Use a prefix, "__vxge" in front of hw functions to make them globally unique - Ben Hutchings Signed-off-by: Sivakumar Subramani <sivakumar.subramani@neterion.com> Signed-off-by: Rastapur Santosh <santosh.rastapur@neterion.com> Signed-off-by: Ramkrishna Vepa <ram.vepa@neterion.com> Signed-off-by: David S. Miller <davem@davemloft.net>