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* wimax/i2400m: remove open-coded skb_cow_head.françois romieu2014-03-291-2/+1
| | | | | | Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* tg3: remove open-coded skb_cow_head.françois romieu2014-03-291-2/+1
| | | | | | | Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Nithin Nayak Sujir <nsujir@broadcom.com> Cc: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* bna: remove open-coded skb_cow_head.françois romieu2014-03-291-6/+4
| | | | | | Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Rasesh Mody <rmody@brocade.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qlge: remove open-coded skb_cow_head.françois romieu2014-03-291-5/+4
| | | | | | | | Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com> Cc: Shahed Shaikh <shahed.shaikh@qlogic.com> Cc: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* jme: remove open-coded skb_cow_head.françois romieu2014-03-291-14/+2
| | | | | | Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Guo-Fu Tseng <cooldavid@cooldavid.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* atl1e: remove open-coded skb_cow_head.françois romieu2014-03-291-7/+7
| | | | | | | Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Chris Snook <chris.snook@gmail.com> Cc: Jay Cliburn <jcliburn@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* atl1c: remove open-coded skb_cow_head.françois romieu2014-03-291-7/+7
| | | | | | | Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Jay Cliburn <jcliburn@gmail.com> Cc: Chris Snook <chris.snook@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* atl1: remove open-coded skb_cow_head.françois romieu2014-03-291-8/+7
| | | | | | | Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Chris Snook <chris.snook@gmail.com> Cc: Jay Cliburn <jcliburn@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: mvneta: use devm_ioremap_resource() instead of of_iomap()Thomas Petazzoni2014-03-291-7/+7
| | | | | | | | | | | | | | The mvneta driver currently uses of_iomap(), which has two drawbacks: it doesn't request the resource, and it isn't devm-style so some error handling is needed. This commit switches to use devm_ioremap_resource() instead, which automatically requests the resource (so the I/O registers region shows up properly in /proc/iomem), and also is devm-style, which allows to get rid of some error handling to unmap the I/O registers region. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: net: add a core netdev->tx_dropped counterEric Dumazet2014-03-282-3/+6
| | | | | | | | | | | | | | | Dropping packets in __dev_queue_xmit() when transmit queue is stopped (NIC TX ring buffer full or BQL limit reached) currently outputs a syslog message. It would be better to get a precise count of such events available in netdevice stats so that monitoring tools can have a clue. This extends the work done in caf586e5f23ce ("net: add a core netdev->rx_dropped counter") Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* packet: respect devices with LLTX flag in direct xmitDaniel Borkmann2014-03-281-20/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Quite often it can be useful to test with dummy or similar devices as a blackhole sink for skbs. Such devices are only equipped with a single txq, but marked as NETIF_F_LLTX as they do not require locking their internal queues on xmit (or implement locking themselves). Therefore, rather use HARD_TX_{UN,}LOCK API, so that NETIF_F_LLTX will be respected. trafgen mmap/TX_RING example against dummy device with config foo: { fill(0xff, 64) } results in the following performance improvements for such scenarios on an ordinary Core i7/2.80GHz: Before: Performance counter stats for 'trafgen -i foo -o du0 -n100000000' (10 runs): 160,975,944,159 instructions:k # 0.55 insns per cycle ( +- 0.09% ) 293,319,390,278 cycles:k # 0.000 GHz ( +- 0.35% ) 192,501,104 branch-misses:k ( +- 1.63% ) 831 context-switches:k ( +- 9.18% ) 7 cpu-migrations:k ( +- 7.40% ) 69,382 cache-misses:k # 0.010 % of all cache refs ( +- 2.18% ) 671,552,021 cache-references:k ( +- 1.29% ) 22.856401569 seconds time elapsed ( +- 0.33% ) After: Performance counter stats for 'trafgen -i foo -o du0 -n100000000' (10 runs): 133,788,739,692 instructions:k # 0.92 insns per cycle ( +- 0.06% ) 145,853,213,256 cycles:k # 0.000 GHz ( +- 0.17% ) 59,867,100 branch-misses:k ( +- 4.72% ) 384 context-switches:k ( +- 3.76% ) 6 cpu-migrations:k ( +- 6.28% ) 70,304 cache-misses:k # 0.077 % of all cache refs ( +- 1.73% ) 90,879,408 cache-references:k ( +- 1.35% ) 11.719372413 seconds time elapsed ( +- 0.24% ) Signed-off-by: Daniel Borkmann <dborkman@redhat.com> Cc: Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: nlmon: flag nlmon devs with LLTX/SGDaniel Borkmann2014-03-281-1/+2
| | | | | | | | | | | As in xmit path we merely update statistics and free the skb, we can mark the device with LLTX feature, so that upper layers can avoid taking the single txq lock on xmit. While at it, also add missing NETIF_F_SG. Signed-off-by: Daniel Borkmann <dborkman@redhat.com> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* cxgb4vf: Adds device Id for few more Chelsio adaptersHariprasad Shenai2014-03-281-0/+8
| | | | | Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* cxgb4: Adds device ID for few more Chelsio AdaptersHariprasad Shenai2014-03-281-0/+12
| | | | | Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'mlx4_vxlan'David S. Miller2014-03-289-33/+147
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | Or Gerlitz says: ==================== Implement vxlan ndo calls This short series adds support for the vxlan ndo calls, the udp port is programmed to the firmware using a new command we introduce here which is called "config device". ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
| * net/mlx4: Implement vxlan ndo callsOr Gerlitz2014-03-284-5/+91
| | | | | | | | | | | | | | | | Add implementation for the add/del vxlan port ndo calls, using the CONFIG_DEV firmware command. Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * mlx4: Add support for CONFIG_DEV commandOr Gerlitz2014-03-284-0/+52
| | | | | | | | | | | | | | | | Introduce the CONFIG_DEV firmware command which we will use to configure the UDP port assumed by the firmware for the VXLAN offloads. Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net/mlx4: USe one wrapper that returns -EPERMOr Gerlitz2014-03-283-28/+4
|/ | | | | | | | | When a VF issues a firmware command which is disallowed for them, the PF rerturns -EPERM from that command wrapper. Move to use one such wrapper instance, instead of repeating the same code on such commands. Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* bnx2x: Fix possible memory leak on iov error flowYuval Mintz2014-03-281-0/+2
| | | | | | | | | | Commit 2dc33bbc4 "bnx2x: Remove the sriov VFOP mechanism" introduced a possible memory leak on the error flow during multicast filters configuration. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: Ariel Elior <Ariel.Elior@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* sh_eth: ensure pm_runtime cannot suspend the device during initBen Dooks2014-03-281-2/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | The pm_rumtime work queue is causing the device to be suspended during initialisation, thus the initialisation may not be able to access registers properly. As the code is called from a work queue, it is possible that this is not seen from certain configurations/builds due to the asynchronos nature of the code. Another issue has also been found where the network device registration calls back into the driver thus causing further pm_runtime calls that also caused issues with the MDIO bus code. This has now been checked and is the only place the MDIO can be called without the device open. Use pm_runtime_get_sync() and pm_runtime_put() to ensure that the pm system does not suspend it during the probe() call and remove the now unnecessary pm_runtime_resume() call. Also add a call in the error path to call pm_runtime_disable(). This fixes the external abort that can cause /sbin/init or other such init processed to die. Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk> Tested-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: stmmac: Add SOCFPGA glue driverDinh Nguyen2014-03-285-0/+147
| | | | | | | | | | | Like the STi and sunxi series SOCs, Altera's SOCFPGA also needs a glue layer on top of the Synopsys gmac IP. This patch adds the platform driver for the glue layer which configures the IP before the generic STMMAC driver takes over. Signed-off-by: Dinh Nguyen <dinguyen@altera.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* RDMA/cxgb4: set error code on kmalloc() failureYann Droneaud2014-03-281-1/+3
| | | | | | | | | | | | | | If kmalloc() fails in c4iw_alloc_ucontext(), the function leaves but does not set an error code in ret variable: it will return 0 to the caller. This patch set ret to -ENOMEM in such case. Cc: Steve Wise <swise@opengridcomputing.com> Cc: Steve Wise <swise@chelsio.com> Signed-off-by: Yann Droneaud <ydroneaud@opteya.com> Acked-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'tipc-next'David S. Miller2014-03-284-15/+18
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Erik Hugne says: ==================== tipc: fix handling of NETDEV_CHANGEADDR event Aside from manual reconfiguration of the netdevice hwaddr, this can also be changed automatically for an interface bond in active-backup mode if fail_over_mac is enabled. This patchset fixes the handling of this event in TIPC by properly updating the l2 media address for the bearer, followed by a reinitialization of the node discovery mechanism. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
| * tipc: make discovery domain a bearer attributeErik Hugne2014-03-283-16/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The node discovery domain is assigned when a bearer is enabled. In the previous commit we reflect this attribute directly in the bearer structure since it's needed to reinitialize the node discovery mechanism after a hardware address change. There's no need to replicate this attribute anywhere else, so we remove it from the tipc_link_req structure. Signed-off-by: Erik Hugne <erik.hugne@ericsson.com> Reviewed-by: Ying Xue <ying.xue@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * tipc: fix neighbor detection problem after hw address changeErik Hugne2014-03-282-0/+9
|/ | | | | | | | | | | | | | | | If the hardware address of a underlying netdevice is changed, it is not enough to simply reset the bearer/links over this device. We also need to reflect this change in the TIPC bearer and node discovery structures aswell. This patch adds the necessary reinitialization of the node disovery mechanism following a hardware address change so that the correct originating media address is advertised in the discovery messages. Signed-off-by: Erik Hugne <erik.hugne@ericsson.com> Reported-by: Dong Liu <dliu.cn@gmail.com> Reviewed-by: Ying Xue <ying.xue@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'master' of ↵David S. Miller2014-03-2816-61/+131
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-next Jeff Kirsher says: ==================== Intel Wired LAN Driver Updates This series contains updates to e1000e, igb, i40e and i40evf Anjali provides i40e fix to remove the ATR filter on RST as well as FIN packets. Cleans up add_del_fdir() because it was used and implemented only for the add, so change the name and drop a parameter. Adds the ability to drop a flow if we wanted to and adds a flow director message level to be used for flow director specific messages. Mitch fixes an issue on i40evf where the Tx watchdog handler was causing an oops when sending an admin queue message to request a reset because the admin queue functions use spinlocks. Greg provides a change to i40e to make the alloc and free queue vector calls orthogonal. Shannon fixes i40e to verify the eeprom checksum and firmware CRC status bits, and shutdown the driver if they fail. This change stops the processing of traffic, but does not kill the PF netdev so that the NVMUpdate process still has a chance at fixing the image. Also provides a fix to make sure the VSI has a netdev before trying to use it in the debugfs netdev_ops commands. Jakub Kicinski provides patches for e1000e and igb to fix a number issues found in the PTP code. v2: - drop patch 11 "i40e: Add a fallback debug flow for the driver" from the series based on feedback from David Miller ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
| * igb: fix race conditions on queuing skb for HW time stampJakub Kicinski2014-03-283-2/+7
| | | | | | | | | | | | | | | | | | | | igb has a single set of TX time stamping resources per NIC. Use a simple bit lock to avoid race conditions and leaking skbs when multiple TX rings try to claim time stamping. Signed-off-by: Jakub Kicinski <kubakici@wp.pl> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| * igb: never generate both software and hardware timestampsJakub Kicinski2014-03-281-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | skb_tx_timestamp() does not report software time stamp if SKBTX_IN_PROGRESS is set. According to timestamping.txt software time stamps are a fallback and should not be generated if hardware time stamp is provided. Move call to skb_tx_timestamp() after setting SKBTX_IN_PROGRESS. Signed-off-by: Jakub Kicinski <kubakici@wp.pl> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| * e1000e: remove redundant if clause from PTP workJakub Kicinski2014-03-281-3/+0
| | | | | | | | | | | | | | | | | | | | tx_hwtstamp_skb is always set before work is scheduled, work is cancelled before tx_hwtstamp_skb is set to NULL. PTP work cannot ever see tx_hwtstamp_skb set to NULL. Signed-off-by: Jakub Kicinski <kubakici@wp.pl> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| * e1000e: add timeout for TX HW time stamping workJakub Kicinski2014-03-283-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Hardware may fail to report time stamp e.g.: - when hardware time stamping is not enabled - when time stamp is requested shortly after ifup Timeout time stamp reading work to prevent it from scheduling itself indefinitely. Report timeout events via system log and device stats. Signed-off-by: Jakub Kicinski <kubakici@wp.pl> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| * i40e: Use DEBUG_FD message level for an FD messageAnjali Singhai Jain2014-03-281-2/+3
| | | | | | | | | | | | | | | | | | | | We don't need to print this info unless at FD message level. Change-ID: I329efdd8e754a0ea0669ec04d12e03db02e6b76e Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com> Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com> Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| * i40e/i40evf: Add an FD message levelAnjali Singhai Jain2014-03-282-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | To use for Flow Director specific messages. Change-ID: I69e39a410aa2661f8fd1ed6af0126fa4c335cb77 Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com> Acked-by: Shannon Nelson <shannon.nelson@intel.com> Acked-by: Kevin Scott <kevin.c.scott@intel.com> Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com> Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| * i40e: check for netdev before debugfs useShannon Nelson2014-03-281-13/+22
| | | | | | | | | | | | | | | | | | | | | | Make sure the VSI has a netdev before trying to use it in the debugfs netdev_ops commands. Change-ID: I2d744fc0c32b3226534ce2cde171d9675c5440a6 Signed-off-by: Shannon Nelson <shannon.nelson@intel.com> Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com> Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| * i40evf: remove double space after returnJesse Brandeburg2014-03-281-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | There were two spaces between return and the value, we only need one. Change-ID: Iaa42c33f50d8d149cdf1a4c9c1902295bfd991c4 Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Acked-by: Shannon Nelson <shannon.nelson@intel.com> Signed-off-by: Kevin Scott <kevin.c.scott@intel.com> Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com> Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| * i40e: Add functionality for FD SB to drop packetsAnjali Singhai Jain2014-03-281-1/+6
| | | | | | | | | | | | | | | | | | | | With this change we can drop a flow if we wanted to. Change-ID: I222b1ae960e61a31965bafe3159a95099e70c7d2 Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com> Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com> Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| * i40e: Cleanup in FDIR SB ethtool codeAnjali Singhai Jain2014-03-281-19/+13
| | | | | | | | | | | | | | | | | | | | | | Function add_del_fdir was used and implemented only for add. So change the name and drop a parameter. Change-ID: Icf2c6c3bbd4fd00cf8d9613a3f6d8c08e0f8e288 Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com> Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com> Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| * i40e: eeprom integrity check on load and emprShannon Nelson2014-03-282-6/+45
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The driver needs to verify the eeprom checksum and firmware crc status bits, and shutdown the driver if they fail. This code stops the processing of traffic, but doesn't kill the PF netdev so that the NVMUpdate process should still have a chance at fixing the image. The eeprom is checked on driver load and after an EMP reset, the latter of which should be generated after an NVMUpdate. Change-ID: I34deef21d2e16bf5a43c603cf8af27e6a29dc9d2 Signed-off-by: Shannon Nelson <shannon.nelson@intel.com> Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com> Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| * i40e: Make the alloc and free queue vector calls orthogonalGreg Rose2014-03-281-6/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It's annoying to search for a matching alloc and free set of function calls when they don't use the same framework for the name of the functions. Fix that up in the case of alloc and free of vsi queue vectors. i40e_vsi_free_q* i40e_vsi_alloc_q* Change-ID: I510eb863a0fbe405312bebea55c2846c76285e6d Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com> Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| * i40evf: fix oops in watchdog handlerMitch Williams2014-03-282-3/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The Tx watchdog handler runs in interrupt context, so it would cause an oops when sending an admin queue message to request a reset, because the admin queue functions use spinlocks. Instead, set a flag and let the reset task handle sending the request. Change-ID: I65879470b72963d9c308edfb8f45ac4fbba2c14f Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com> Tested-by: Sibai Li <sibai.li@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| * i40e: Delete ATR filter on RSTAnjali Singhai Jain2014-03-281-3/+6
| | | | | | | | | | | | | | | | | | | | We currently delete ATR filter on FIN alone, delete on RST as well. Change-ID: Ie7cae5d1046b9d1d4a0d6ef5bdbf41224c3dade6 Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com> Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com> Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* | net: sxgbe: fix potential null dereferenceByungho An2014-03-281-2/+8
| | | | | | | | | | | | | | | | | | | | | | This fixes following: drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c:1828 sxgbe_hw_init() error: potential null dereference 'priv->hw'. (kmalloc returns null) Reported-by: kbuild test robot <fengguang.wu@intel.com> Signed-off-by: Byungho An <bh74.an@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | net: sxgbe: fix sparse warnings about static declarationByungho An2014-03-282-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This fixes followings: sparse warnings: (new ones prefixed by >>) >> drivers/net/ethernet/samsung/sxgbe/sxgbe_platform.c:197:5: sparse: symbol 'sxgbe_platform_freeze' was not declared. Should it be static? >> drivers/net/ethernet/samsung/sxgbe/sxgbe_platform.c:204:5: sparse: symbol 'sxgbe_platform_restore' was not declared. Should it be static? >> drivers/net/ethernet/samsung/sxgbe/sxgbe_platform.c:228:24: sparse: symbol 'sxgbe_platform_driver' was not declared. Should it be static? >> drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c:1795:6: sparse: symbol 'sxgbe_get_ops' was not declared. Should it be static? Reported-by: kbuild test robot <fengguang.wu@intel.com> Signed-off-by: Byungho An <bh74.an@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | Merge branch 'be2net-next'David S. Miller2014-03-285-67/+279
|\ \ | |/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Sathya Perla says: ==================== be2net: add vxlan offload support The first patch adds the FW cmds needed to configure the Skyhawk-R chip for supporting VxLAN offloads. The second patch implements the ndo_add/del_vxlan_port() methods and the plumbing for supporting RX/TX csum, TSO and RSS steering offloads for VxLAN traffic. v2 changes: NETIF_F_SG need not be set for hw_enc_features by the driver as it is done by the stack. v3 changes: * Defer FW cmds needed for VxLAN offloads to a workqueue * Reset FW to VxLAN offloads disabled state in the unload path v4 changes: * Revert the usage of workqueue (introduced in v3) to implement ndo_add/del_vxlan_port() as it is currently not needed (none of the FW cmd calls sleep.) Suggested by David M. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
| * be2net: csum, tso and rss steering offload support for VxLANSathya Perla2014-03-283-9/+125
| | | | | | | | | | | | | | | | This patch mainly implements the add/del_vxlan_port() methods by invoking the needed FW cmds for supporting VxLAN offloads for Skyhawk-R. Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * be2net: add FW cmds needed for VxLAN offloadsSathya Perla2014-03-283-58/+154
|/ | | | | | | | | | | | | | | This patch adds support for the FW cmds needed for VxLAN offloads on Skyhawk-R: 1) The VxLAN UDP port needs to be configured via the port-desc of SET_PROFILE_CONFIG_v1 cmd. This patch re-factors the be_set_profile_config() code (used so far only for setting VF QoS) to be used to set any type of descriptor. 2) The MANAGE_IFACE_FILTERS cmds is needed to convert a normal interface into a tunnel interface. This allows for RSS to work even on the inner TCP/UDP headers of VxLAN traffic. Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'mdio_reset-next'David S. Miller2014-03-2814-87/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Florian Fainelli says: ==================== net: remove empty MDIO bus reset functions This patchset removes all empty MDIO bus reset functions that we have in the tree (hopefully all of them). This function is optional for the MDIO bus code in drivers/net/phy/mdio_bus.c::mdiobus_register, the documentation is updated to reflect that. Having less call sites to update will allow us to implement a generic BMCR_RESET based PHY reset for MDIO buses that require to reset their PHYs before their PHY detection succeeds (e.g: HiSilicon hip04 current submission) and provide it as a helper. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
| * Documentation: networking: phy.txt: MDIO bus reset is optionalFlorian Fainelli2014-03-281-1/+1
| | | | | | | | | | | | | | | | | | Update the MDIO bus documentation to mention that the MDIO bus reset function is completely optional. It became optional with commit e13934563db0 ("[PATCH] PHY Layer fixup") Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * bfin_mac: remove empty MDIO bus reset functionFlorian Fainelli2014-03-281-6/+0
| | | | | | | | | | | | | | | | bfin_mdiobus_reset() does nothing useful and is optional for the MDIO bus code, so let's just remove it. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * r6040: remove empty MDIO bus reset functionFlorian Fainelli2014-03-281-6/+0
| | | | | | | | | | | | | | | | r6040_mdiobus_reset() does nothing useful and is optional for the MDIO bus code, so let's just remove it. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: ftgmac100: remove empty MDIO bus reset functionFlorian Fainelli2014-03-281-6/+0
| | | | | | | | | | | | | | | | ftgmac100_mdiobus_reset() does nothing useful and is optional for the MDIO bus code, so let's just remove it. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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