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2011-07-17neigh: Pass neighbour entry to output ops.David S. Miller
This will get us closer to being able to do "neigh stuff" completely independent of the underlying dst_entry for protocols (ipv4/ipv6) that wish to do so. We will also be able to make dst entries neigh-less. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-17net: vlan, qlcnic: make vlan_find_dev privateDavid Lamparter
there is only one user of vlan_find_dev outside of the actual vlan code: qlcnic uses it to iterate over some VLANs it knows. let's just make vlan_find_dev private to the VLAN code and have the iteration in qlcnic be a bit more direct. (a few rcu dereferences less too) Signed-off-by: David Lamparter <equinox@diac24.net> Cc: Patrick McHardy <kaber@trash.net> Cc: Amit Kumar Salecha <amit.salecha@qlogic.com> Cc: Anirban Chakraborty <anirban.chakraborty@qlogic.com> Cc: linux-driver@qlogic.com Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-17net: add 802.1ad / 802.1ah / QinQ ethertypesDavid Lamparter
define ETH_P_8021AD to 88a8 (assigned by IEEE) and add ETH_P_QINQ{1,2,3} for the pre-standard 9{1,2,3}00 types. all of them use 802.1q frame format, with 1 bit used differently in some cases. also define ETH_P_8021AH to 88e7 (assigned by IEEE). this is Mac-in-Mac and uses a different, 16-byte header. Signed-off-by: David Lamparter <equinox@diac24.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-16neigh: Kill ndisc_ops->queue_xmitDavid S. Miller
It is always dev_queue_xmit(). Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-16neigh: Kill hh_cache->hh_outputDavid S. Miller
It's just taking on one of two possible values, either neigh_ops->output or dev_queue_xmit(). And this is purely depending upon whether nud_state has NUD_CONNECTED set or not. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-16neigh: Kill neigh_ops->hh_outputDavid S. Miller
It's always dev_queue_xmit(). Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-16neigh: Simply destroy handling wrt. hh_cache.David S. Miller
Now that hh_cache entries are embedded inside of neighbour entries, their lifetimes and accesses are now synchronous to that of the encompassing neighbour object. Therefore we don't need to hook up the blackhole op to hh_output on destroy. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-16net: Create and use new helper, neigh_output().David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-16ipv6: Use calculated 'neigh' instead of re-evaluating dst->neighbourDavid S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-16ipv4: Use calculated 'neigh' instead of re-evaluating dst->neighbourDavid S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-16bnx2x: Fix compilation when CNIC is not selected in configDmitry Kravkov
Reported-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-1668360enet: Remove Kconfig/Makefile referencesJeff Kirsher
68360enet.c no longer exists, and from the research, it appears that 68360enet.c became fec.c back in 2004. The Kconfig and Makefile references were never cleaned up. This patch removes this "dead" references. Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-16bnx2: Close device if tx_timeout reset failsMichael Chan
Based on original patch and description from Flavio Leitner <fbl@redhat.com> When bnx2_reset_task() is called, it will stop, (re)initialize and start the interface to restore the working condition. The bnx2_init_nic() calls bnx2_reset_nic() which will reset the chip and then calls bnx2_free_skbs() to free all the skbs. The problem happens when bnx2_init_chip() fails because bnx2_reset_nic() will just return skipping the ring initializations at bnx2_init_all_rings(). Later, the reset task starts the interface again and the system crashes due a NULL pointer access (no skb in the ring). To fix it, we call dev_close() if bnx2_init_nic() fails. One minor wrinkle to deal with is the cancel_work_sync() call in bnx2_close() to cancel bnx2_reset_task(). The call will wait forever because it is trying to cancel itself and the workqueue will be stuck. Since bnx2_reset_task() holds the rtnl_lock() and checks for netif_running() before proceeding, there is no need to cancel bnx2_reset_task() in bnx2_close() even if bnx2_close() and bnx2_reset_task() are running concurrently. The rtnl_lock() serializes the 2 calls. We need to move the cancel_work_sync() call to bnx2_remove_one() to make sure it is canceled before freeing the netdev struct. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Cc: Flavio Leitner <fbl@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-15Merge branch 'for-davem' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
2011-07-158139cp: convert to new VLAN model.françois romieu
The registers and descriptors bits are identical to the pre-8168 8169 chipsets : {RxDesc / TxDesc}.opts2 can only contain VLAN information. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Reviewed-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-15Remove redundant variable/code in __qdisc_runKrishna Kumar
Remove redundant variable "work". Signed-off-by: Krishna Kumar <krkumar2@in.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-15slcan: remove obsolete code in slcan initialisationOliver Hartkopp
This patch removes obsolete code in the initialisation/creation of slcan devices. It follows the suggested cleanups from Ilya Matvejchikov in drivers/net/slip.c that where recently applied to net-next-2.6: - slip: remove dead code within the slip initialization - slip: remove redundant check slip_devs for NULL Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-15Separate handling of irq type flags variable from the irq_flags request_irq ↵Shyam Iyer
variable Commit 5f77898de17ff983ff0e2988b73a6bdf4b6f9f8b does not completely fix the problem of handling allocations with irqs disabled.. The below patch on top of it fixes the problem completely. Based on review by "Ivan Vecera" <ivecera@redhat.com>.. " Small note, the root of the problem was that non-atomic allocation was requested with IRQs disabled. Your patch description does not contain wwhy were the IRQs disabled. The function bnad_mbox_irq_alloc incorrectly uses 'flags' var for two different things, 1) to save current CPU flags and 2) for request_irq call. First the spin_lock_irqsave disables the IRQs and saves _all_ CPU flags (including one that enables/disables interrupts) to 'flags'. Then the 'flags' is overwritten by 0 or 0x80 (IRQF_SHARED). Finally the spin_unlock_irqrestore should restore saved flags, but these flags are now either 0x00 or 0x80. The interrupt bit value in flags register on x86 arch is 0x100. This means that the interrupt bit is zero (IRQs disabled) after spin_unlock_irqrestore so the request_irq function is called with disabled interrupts. " Signed-off-by: Shyam Iyer <shyam_iyer@dell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-15Merge branch 'master' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem Conflicts: net/bluetooth/l2cap_core.c
2011-07-14net/ps3: Fix gelic RX DMA restartGeoff Levand
Fix the condition where PS3 network RX hangs when no network TX is occurring by calling gelic_card_enable_rxdmac() during RX_DMA_CHAIN_END event processing. The gelic hardware automatically clears its RX_DMA_EN flag when it detects an RX_DMA_CHAIN_END event. In its processing of RX_DMA_CHAIN_END the gelic driver is required to set RX_DMA_EN (with a call to gelic_card_enable_rxdmac()) to restart RX DMA transfers. The existing gelic driver code does not set RX_DMA_EN directly in its processing of the RX_DMA_CHAIN_END event, but uses a flag variable card->rx_dma_restart_required to schedule the setting of RX_DMA_EN until next inside the interrupt handler. It seems this delayed setting of RX_DMA_EN causes the hang since the next RX interrupt after the RX_DMA_CHAIN_END event where RX_DMA_EN is scheduled to be set will not occur since RX_DMA_EN was not set. In the case were network TX is occuring, RX_DMA_EN is set in the next TX interrupt and RX processing continues. Signed-off-by: Geoff Levand <geoff@infradead.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-14bnx2x: Multiple concurrent l2 traffic classesAriel Elior
Overview: Support mapping of priorities to traffic classes and traffic classes to transmission queues ranges in the net device. The queue ranges are (count, offset) pairs relating to the txq array. This can be done via DCBX negotiation or by kernel. As a result Enhanced Transmission Selection (ETS) and Priority Flow Control (PFC) are supported between L2 network traffic classes. Mapping: This patch uses the netdev_set_num_tc, netdev_set_prio_tc_map and netdev_set_tc_queue functions to map priorities to traffic classes and traffic classes to transmission queue ranges. This mapping is performed by bnx2x_setup_tc function which is connected to the ndo_setup_tc. This function is always called at nic load where by default it maps all priorities to tc 0, and it may also be called by the kernel or by the bnx2x upon DCBX negotiation to modify the mapping. rtnl lock: When the ndo_setup_tc is called at nic load or by kernel the rtnl lock is already taken. However, when DCBX negotiation takes place the lock is not taken. The work is therefore scheduled to be handled by the sp_rtnl task. Fastpath: The fastpath structure of the bnx2x which was previously used to hold the information of one tx queue and one rx queue was redesigned to represent multiple tx queues, one for each traffic class. The transmission queue supplied in the skb by the kernel can no longer be interpreted as a straightforward index into the fastpath structure array, but it must rather be decoded to the appropriate fastpath index and the tc within that fastpath. Slowpath: The bnx2x's queue object was redesigned to accommodate multiple transmission queues. The queue object's state machine was enhanced to allow opening multiple transmission-only connections on top of the regular tx-rx connection. Firmware: This feature relies on the tx-only queue feature introduced in the bnx2x 7.0.23 firmware and the FW likewise must have the bnx2x multi cos support. Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-14bnx2x: Renaming the "reset_task" to "sp_rtnl_task"Ariel Elior
Renaming the "reset_task" to a more general purpose name, "sp_rtnl_task", as it is already used for another purpose other than reset which is parity recovery, and since I plan to add a third operation for this task, updating the priority to traffic class and traffic class to transmission queues mappings after dcbx negotiation takes place. Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-14Merge branch 'davem-next.r8169' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/romieu/netdev-2.6
2011-07-14net: remove SK_ROUTE_CAPS from meta ematchMichał Mirosław
Remove it, as it indirectly exposes netdev features. It's not used in iproute2 (2.6.38) - is anything else using its interface? Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-14net: remove /sys/class/net/*/featuresMichał Mirosław
The same information and more can be obtained by using ethtool with ETHTOOL_GFEATURES. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-14net: unexport netdev_fix_features()Michał Mirosław
It is not used anywhere except net/core/dev.c now. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-14net: cleanup vlan_features setting in register_netdevMichał Mirosław
vlan_features contains features inherited from underlying device. NETIF_SOFT_FEATURES are not inherited but belong to the vlan device itself (ensured in vlan_dev_fix_features()). Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-14net: vlan: remove reduntant check in ndo_fix_features callbackMichał Mirosław
Use the fact that ORing with zero is a no-op. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-14net: m68k/nfeth: Remove wrong usage of dev->flagsMichał Mirosław
Remove wrong setting of dev->flags. NETIF_F_NO_CSUM maps to IFF_DEBUG there, so looks like a mistake. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-14r8169: adjust the RxConfig settings.Hayes Wang
Set the init value before reset in probe function. And then just modify the relative bits and keep the init settings. For 8110S, 8110SB, and 8110SC series, the initial value of RxConfig needs to be set after the tx/rx is enabled. Signed-off-by: Hayes Wang <hayeswang@realtek.com> Acked-by: Francois Romieu <romieu@fr.zoreil.com>
2011-07-14r8169: don't enable rx when shutdown.Hayes Wang
Only 8111b needs to enable rx when shutdowning with WoL. Signed-off-by: Hayes Wang <hayeswang@realtek.com> Acked-by: Francois Romieu <romieu@fr.zoreil.com>
2011-07-14r8169: fix wake on lan setting for non-8111E.Hayes Wang
Only 8111E needs enable RxConfig bit 0 ~ 3 when suspending or shutdowning for wake on lan. Signed-off-by: Hayes Wang <hayeswang@realtek.com> Acked-by: Francois Romieu <romieu@fr.zoreil.com>
2011-07-14r8169: support RTL8111E-VL.Hayes Wang
Signed-off-by: Hayes Wang <hayeswang@realtek.com> Acked-by: Francois Romieu <romieu@fr.zoreil.com>
2011-07-14r8169: add ERI functions.Hayes Wang
Add the ERI functions which would be used by the new chips. Signed-off-by: Hayes Wang <hayeswang@realtek.com> Acked-by: Francois Romieu <romieu@fr.zoreil.com>
2011-07-14r8169: modify the flow of the hw reset.Hayes Wang
- Disable tx and rx by resetting hw, so replace rtl8169_asic_down with rtl8169_hw_reset. - RxConfig bits 0 ~ 5 have to be cleared before hw reset to avoid receiving spurious data. - Certain chips need to do some checking before reset. - Remove hw reset which is done before hw_start. It is done in close, down or device probe functions. - Move rtl8169_init_ring_indexes function into rtl_hw_reset function. The indexes of tx and rx only need to be zero when the hw resets. Signed-off-by: Hayes Wang <hayeswang@realtek.com> Acked-by: Francois Romieu <romieu@fr.zoreil.com>
2011-07-14r8169: adjust some registers.Hayes Wang
Define new registers and modify some existing ones. Signed-off-by: Hayes Wang <hayeswang@realtek.com> Acked-by: Francois Romieu <romieu@fr.zoreil.com>
2011-07-14ps3_gelic: Don't kill the device on DMA failureAndre Heider
Reset card->tx_dma_progress when lv1_net_start_tx_dma() fails or it won't send anything afterwards anymore Signed-off-by: Andre Heider <a.heider@gmail.com> Acked-by: Geoff Levand <geoff@infradead.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-14ps3_gelic: Fix start_xmit kick error pathAndre Heider
Revert to a proper state when gelic_card_kick_txdma() fails: - Don't trigger BUG_ON when releasing the unsent tx descriptor - Reset the tx chain head since the tail was not modified and hence not in sync - Unlink the released descriptor bus address from its predecessor Signed-off-by: Andre Heider <a.heider@gmail.com> Acked-by: Geoff Levand <geoff@infradead.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-14ps3_gelic: Fix typosAndre Heider
Signed-off-by: Andre Heider <a.heider@gmail.com> Acked-by: Geoff Levand <geoff@infradead.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-14qlcnic: change capture mask for FW dumpAnirban Chakraborty
o Change FW dump capture mask to a defult value, instead of using the recommended value from the FW. This was done to keep the capture mask consistent with other function drivers. o Update driver version to 5.0.21 Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com> Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-14qlcnic: define error code for loopback testAmit Kumar Salecha
o Defined error code such as fw not responding, test already running and cable not connected. o Check Fw capability before performing loopback test. Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-14qlcnic: fix race in skb->len access.Sucheta Chakraborty
As soon as skb is given to hardware, TX completion can free skb under us. Therefore, we should update dev stats before kicking the device. Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com> Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-14qlcnic: enable mac-learning in promiscous mode.Sucheta Chakraborty
MAC learning is required in bridge mode. During bridge mode device will be put in promiscous mode. Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com> Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-14qlcnic: updated supported cards informationSritej Velaga
Added QME8242-k 10GbE Dual Port Mezzanine Card to supported card info. Signed-off-by: Sritej Velaga <sritej.velaga@qlogic.com> Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-14qlcnic: fix chip reset logicSritej Velaga
Chip reset logic (IDC logic) has changed with fw dump support. This broked compatibility with driver using older IDC logic. Changes to make it compatible with drivers using older IDC logic. Signed-off-by: Sritej Velaga <sritej.velaga@qlogic.com> Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-14bnx2: Read iSCSI config from shared memory during ->probe()Michael Chan
The scratchpad location that we were reading from has not been initialized yet during ->probe(), so we were getting inaccurate information. Update version to 2.1.10. Signed-off-by: Michael Chan <mchan@broadcom.com> Reviewed-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-14bnx2: Add MCP dumpJeffrey Huang
to help debug issues related to management firmware. Signed-off-by: Jeffrey Huang <huangjw@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Reviewed-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-14cnic: Return proper error code if we fail to send netlink messageMichael Chan
to allow iSCSI connection to fail faster instead of waiting for the long timeout. Update version to 2.5.6. Signed-off-by: Michael Chan <mchan@broadcom.com> Reviewed-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-14cnic: Fix ring setup/shutdown codeMichael Chan
Latest bnx2x driver uses different CID for the iSCSI rings, so we need to pass it in the ring init data. The rx ring is also zeroed out to prevent stale DMA addresses from being used after shutdown. The same cp local variable redefined inside the else branch is also eliminated. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-14cnic: Fix port_mode settingMichael Chan
CHIP_2_PORT_MODE was not set correctly. Signed-off-by: Michael Chan <mchan@broadcom.com> Reviewed-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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