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2012-07-10net: Fix memory leak - vlan_info structAmir Hanania
In driver reload test there is a memory leak. The structure vlan_info was not freed when the driver was removed. It was not released since the nr_vids var is one after last vlan was removed. The nr_vids is one, since vlan zero is added to the interface when the interface is being set, but the vlan zero is not deleted at unregister. Fix - delete vlan zero when we unregister the device. Signed-off-by: Amir Hanania <amir.hanania@intel.com> Acked-by: John Fastabend <john.r.fastabend@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-11ARM: imx_v4_v5_defconfig: update featuresSascha Hauer
- reenable CONFIG_MFD_MC13XXX_SPI - Allow booting from MMC card. - Enable mc13783 Codec support - Enable sgtl5000 Codec support - Enable mc13783 RTC - Enable Control Group support for systemd - Enable clk debugfs support - Enable i.MX keypad driver - Enable MC13783 touchscreen - Enable i.MX PATA driver Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2012-07-10Merge tag 'batman-adv-fix-for-davem' of git://git.open-mesh.org/linux-mergeDavid S. Miller
Included changes: - fix a bug generated by the wrong interaction between the GW feature and the Bridge Loop Avoidance
2012-07-11ARM: imx_v6_v7_defconfig: update featuresSascha Hauer
- Add sound support - Enable mtd support - Enable i.MX NAND support - Enable NOR flash support - Enable JFFS2/UBI - Enable clk debugfs support - Disable iommu support which is not present on i.MX - Enable MC13xxx RTC - Enable RNGA random number generator - Enable SPI EEPROM support - Enable I2C EEPROM support Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2012-07-10qlge: Bumped driver version to 1.00.00.31Jitendra Kalsaria
Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10qlge: Refactoring of ethtool stats.Jitendra Kalsaria
Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10qlge: Moving low level frame error to ethtool statistics.Jitendra Kalsaria
Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10qlge: Fixed double pci free upon tx_ring->q allocation failure.Jitendra Kalsaria
Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10qlge: Added missing case statement to ethtool get_strings.Jitendra Kalsaria
Missing case was causing ethtool self test to print garbage value in extra info section. Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10qlge: Clean up ethtool set WOL routine.Jitendra Kalsaria
Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10qlge: Fix ethtool WOL calls to operate only on devices that support WOL.Jitendra Kalsaria
Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10qlge: Cleanup atomic queue threshold check.Jitendra Kalsaria
Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10qlge: Fix TX queue stoppage due to full condition.Jitendra Kalsaria
TX queue was being stopped at beginning of send path instead of at the end when last descriptor is used. Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10net: calxedaxgmac: enable rx cut-thru modeRob Herring
Enabling RX cut-thru mode yields better performance as received frames start getting written to memory before a whole frame is received. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10net: calxedaxgmac: set outstanding AXI bus transactions to 8Rob Herring
Increase the number of outstanding read and write AXI transactions from 1 to 8 for better performance. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10net: calxedaxgmac: fix hang on rx refillRob Herring
Fix intermittent hangs in xgmac_rx_refill. If a ring buffer entry already had an skb allocated, then xgmac_rx_refill would get stuck in a loop. This can happen on a rx error when we just leave the skb allocated to the entry. [ 7884.510000] INFO: rcu_preempt detected stall on CPU 0 (t=727315 jiffies) [ 7884.510000] [<c0010a59>] (unwind_backtrace+0x1/0x98) from [<c006fd93>] (__rcu_pending+0x11b/0x2c4) [ 7884.510000] [<c006fd93>] (__rcu_pending+0x11b/0x2c4) from [<c0070b95>] (rcu_check_callbacks+0xed/0x1a8) [ 7884.510000] [<c0070b95>] (rcu_check_callbacks+0xed/0x1a8) from [<c0036abb>] (update_process_times+0x2b/0x48) [ 7884.510000] [<c0036abb>] (update_process_times+0x2b/0x48) from [<c004e8fd>] (tick_sched_timer+0x51/0x94) [ 7884.510000] [<c004e8fd>] (tick_sched_timer+0x51/0x94) from [<c0045527>] (__run_hrtimer+0x4f/0x1e8) [ 7884.510000] [<c0045527>] (__run_hrtimer+0x4f/0x1e8) from [<c0046003>] (hrtimer_interrupt+0xd7/0x1e4) [ 7884.510000] [<c0046003>] (hrtimer_interrupt+0xd7/0x1e4) from [<c00101d3>] (twd_handler+0x17/0x24) [ 7884.510000] [<c00101d3>] (twd_handler+0x17/0x24) from [<c006be39>] (handle_percpu_devid_irq+0x59/0x114) [ 7884.510000] [<c006be39>] (handle_percpu_devid_irq+0x59/0x114) from [<c0069aab>] (generic_handle_irq+0x17/0x2c) [ 7884.510000] [<c0069aab>] (generic_handle_irq+0x17/0x2c) from [<c000cc8d>] (handle_IRQ+0x35/0x7c) [ 7884.510000] [<c000cc8d>] (handle_IRQ+0x35/0x7c) from [<c033b153>] (__irq_svc+0x33/0xb8) [ 7884.510000] [<c033b153>] (__irq_svc+0x33/0xb8) from [<c0244b06>] (xgmac_rx_refill+0x3a/0x140) [ 7884.510000] [<c0244b06>] (xgmac_rx_refill+0x3a/0x140) from [<c02458ed>] (xgmac_poll+0x265/0x3bc) [ 7884.510000] [<c02458ed>] (xgmac_poll+0x265/0x3bc) from [<c029fcbf>] (net_rx_action+0xc3/0x200) [ 7884.510000] [<c029fcbf>] (net_rx_action+0xc3/0x200) from [<c0030cab>] (__do_softirq+0xa3/0x1bc) Signed-off-by: Rob Herring <rob.herring@calxeda.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10net: calxedaxgmac: fix net timeout recoveryRob Herring
Fix net tx watchdog timeout recovery. The descriptor ring was reset, but the DMA engine was not reset to the beginning of the ring. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10ll_temac: remove unnecessary setting of skb->devJon Mason
skb->dev is being unnecessarily set by the driver on packet recieve. eth_type_trans already sets skb->dev to the proper value and it is not referenced anywhere else in the dirver, thus making its setting unnecessary. Signed-off-by: Jon Mason <jdmason@kudzu.us> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10sunhme: remove unnecessary setting of skb->devJon Mason
skb->dev is being unnecessarily set during ring init and skb alloc in rx. It is already being set to the proper value when eth_type_trans is called on packet receive, and the skb->dev is not referenced anywhere else in the code. Signed-off-by: Jon Mason <jdmason@kudzu.us> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10sungem: remove unnecessary setting of skb->devJon Mason
skb->dev is being unnecessarily set by the driver's skb alloc routine (which is called in init and during rx). It is already being set to the proper value when eth_type_trans is called on packet receive, and the skb->dev is not referenced anywhere else in the code. Signed-off-by: Jon Mason <jdmason@kudzu.us> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10sunbmac: remove unnecessary setting of skb->devJon Mason
skb->dev is being unnecessarily set during ring init and skb alloc in rx. It is already being set to the proper value when eth_type_trans is called on packet receive, and the skb->dev is not referenced anywhere else in the code. Signed-off-by: Jon Mason <jdmason@kudzu.us> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10qlge: remove unnecessary setting of skb->devJon Mason
skb->dev is being unnecessarily set by the driver on packet recieve. eth_type_trans already sets skb->dev to the proper value and it is not referenced anywhere else in the dirver, thus making its setting unnecessary. Signed-off-by: Jon Mason <jdmason@kudzu.us> Cc: Anirban Chakraborty <anirban.chakraborty@qlogic.com> Cc: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com> Cc: Ron Mercer <ron.mercer@qlogic.com> Cc: linux-driver@qlogic.com Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10qlcnic: remove unnecessary setting of skb->devJon Mason
skb->dev is being unnecessarily set before calling eth_type_trans. eth_type_trans already sets skb->dev to the proper value, thus making this unnecessary. Signed-off-by: Jon Mason <jdmason@kudzu.us> Cc: Anirban Chakraborty <anirban.chakraborty@qlogic.com> Cc: Sony Chacko <sony.chacko@qlogic.com> Cc: linux-driver@qlogic.com Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10ksz884x: remove unnecessary setting of skb->devJon Mason
skb->dev is being unnecessarily set during ring init. It is already being set to the proper value when eth_type_trans is called on packet receive, and the skb->dev is not referenced anywhere else in the code. Signed-off-by: Jon Mason <jdmason@kudzu.us> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10lantiq_etop: remove unnecessary setting of skb->devJon Mason
skb->dev is being unnecessarily set before calling eth_type_trans. eth_type_trans already sets skb->dev to the proper value, thus making this unnecessary. Signed-off-by: Jon Mason <jdmason@kudzu.us> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10netxen: remove unnecessary setting of skb->devJon Mason
skb->dev is being unnecessarily set by the driver on packet recieve. eth_type_trans already sets skb->dev to the proper value and it is not referenced anywhere else in the dirver, thus making its setting unnecessary. Signed-off-by: Jon Mason <jdmason@kudzu.us> Cc: Sony Chacko <sony.chacko@qlogic.com> Cc: Rajesh Borundia <rajesh.borundia@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10enic: remove unnecessary setting of skb->devJon Mason
skb->dev is being unnecessarily set after calling eth_type_trans. eth_type_trans already sets skb->dev to the proper value, thus making this unnecessary. Signed-off-by: Jon Mason <jdmason@kudzu.us> Cc: Christian Benvenuti <benve@cisco.com> Cc: Roopa Prabhu <roprabhu@cisco.com> Cc: Neel Patel <neepatel@cisco.com> Cc: Nishank Trivedi <nistrive@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10lance: remove unnecessary setting of skb->devJon Mason
skb->dev is being unnecessarily set during ring init. It is already being set to the proper value when eth_type_trans is called on packet receive, and the skb->dev is not referenced anywhere else in the code. Signed-off-by: Jon Mason <jdmason@kudzu.us> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10vxge/s2io: remove dead URLsJon Mason
URLs to neterion.com and s2io.com no longer resolve. Remove all references to these URLs in the driver source and documentation. Signed-off-by: Jon Mason <jdmason@kudzu.us> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10ipv6: optimize ipv6 addresses comparesEric Dumazet
On 64 bit arches having efficient unaligned accesses (eg x86_64) we can use long words to reduce number of instructions for free. Joe Perches suggested to change ipv6_masked_addr_cmp() to return a bool instead of 'int', to make sure ipv6_masked_addr_cmp() cannot be used in a sorting function. Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10drivers/net/ethernet: Fix non-kernel-doc comments with kernel-doc start markersBen Hutchings
Convert doxygen (or similar) formatted comments to kernel-doc or unformatted comment. Delete a few that are content-free. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10drivers/net/ethernet: Fix (nearly-)kernel-doc comments for various functionsBen Hutchings
Fix incorrect start markers, wrapped summary lines, missing section breaks, incorrect separators, and some name mismatches. Delete a few that are content-free. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10net: Fix non-kernel-doc comments with kernel-doc start markerBen Hutchings
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10net: Fix (nearly-)kernel-doc comments for various functionsBen Hutchings
Fix incorrect start markers, wrapped summary lines, missing section breaks, incorrect separators, and some name mismatches. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10net: Properly define functions with no parametersBen Hutchings
Defining a function with no parameters as 'T foo()' is the deprecated K&R style, and is not strictly equivalent to defining it as 'T foo(void)'. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10Merge branch 'metrics_restructure'David S. Miller
This patch series works towards the goal of minimizing the amount of things that can change in an ipv4 route. In a regime where the routing cache is removed, route changes will lead to cloning in the FIB tables or similar. The largest trigger of route metrics writes, TCP, now has it's own cache of dynamic metric state. The timewait timestamps are stored there now as well. As a result of that, pre-cowing metrics is no longer necessary, and therefore FLOWI_FLAG_PRECOW_METRICS is removed. Redirect and PMTU handling is moved back into the ipv4 routes. I'm sorry for all the headaches trying to do this in the inetpeer has caused, it was the wrong approach for sure. Since metrics become read-only for ipv4 we no longer need the inetpeer hung off of the ipv4 routes either. So those disappear too. Also, timewait sockets no longer need to hold onto an inetpeer either. After this series, we still have some details to resolve wrt. PMTU and redirects for a route-cache-less system: 1) With just the plain route cache removal, PMTU will continue to work mostly fine. This is because of how the local route users call down into the PMTU update code with the route they already hold. However, if we wish to cache pre-computed routes in fib_info nexthops (which we want for performance), then we need to add route cloning for PMTU events. 2) Redirects require more work. First, redirects must be changed to be handled like PMTU. Wherein we call down into the sockets and other entities, and then they call back into the routing code with the route they were using. So we'll be adding an ->update_nexthop() method alongside ->update_pmtu(). And then, like for PMTU, we'll need cloning support once we start caching routes in the fib_info nexthops. But that's it, we can completely pull the trigger and remove the routing cache with minimal disruptions. As it is, this patch series alone helps a lot of things. For one, routing cache entry creation should be a lot faster, because we no longer do inetpeer lookups (even to check if an entry exists). This patch series also opens the door for non-DST_HOST ipv4 routes, because nothing fundamentally cares about rt->rt_dst any more. It can be removed with the base routing cache removal patch. In fact, that was the primary goal of this patch series. Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10ipv4: Remove inetpeer from routes.David S. Miller
No longer used. Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10ipv4: Calling ->cow_metrics() now is a bug.David S. Miller
Nothing every writes to ipv4 metrics any longer. PMTU is stored in rt->rt_pmtu. Dynamic TCP metrics are stored in a special TCP metrics cache, completely outside of the routes. Therefore ->cow_metrics() can simply nothing more than a WARN_ON trigger so we can catch anyone who tries to add new writes to ipv4 route metrics. Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10ipv4: Kill dst_copy_metrics() call from ipv4_blackhole_route().David S. Miller
Blackhole routes have a COW metrics operation that returns NULL always, therefore this dst_copy_metrics() call did absolutely nothing. Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10ipv4: Enforce max MTU metric at route insertion time.David S. Miller
Rather than at every struct rtable creation. Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10ipv4: Maintain redirect and PMTU info in struct rtable again.David S. Miller
Maintaining this in the inetpeer entries was not the right way to do this at all. Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10rtnetlink: Remove ts/tsage args to rtnl_put_cacheinfo().David S. Miller
Nobody provides non-zero values any longer. Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10inet: Kill FLOWI_FLAG_PRECOW_METRICS.David S. Miller
No longer needed. TCP writes metrics, but now in it's own special cache that does not dirty the route metrics. Therefore there is no longer any reason to pre-cow metrics in this way. Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10inet: Minimize use of cached route inetpeer.David S. Miller
Only use it in the absolutely required cases: 1) COW'ing metrics 2) ipv4 PMTU 3) ipv4 redirects Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10inet: Remove ->get_peer() method.David S. Miller
No longer used. Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10tcp: Remove tw->tw_peerDavid S. Miller
No longer used. Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10tcp: Move timestamps from inetpeer to metrics cache.David S. Miller
With help from Lin Ming. Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10net: Kill set_dst_metric_rtt().David S. Miller
No longer used. Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10net: Don't report route RTT metric value in cache dumps.David S. Miller
We don't maintain it dynamically any longer, so reporting it would be extremely misleading. Report zero instead. Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-10tcp: Maintain dynamic metrics in local cache.David S. Miller
Maintain a local hash table of TCP dynamic metrics blobs. Computed TCP metrics are no longer maintained in the route metrics. The table uses RCU and an extremely simple hash so that it has low latency and low overhead. A simple hash is legitimate because we only make metrics blobs for fully established connections. Some tweaking of the default hash table sizes, metric timeouts, and the hash chain length limit certainly could use some tweaking. But the basic design seems sound. With help from Eric Dumazet and Joe Perches. Signed-off-by: David S. Miller <davem@davemloft.net>
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