- 16 Sep, 2011 7 commits
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Eric Dumazet authored
Commit bd30ce4b (caif: Use RCU instead of spin-lock in caif_dev.c) added a potential NULL dereference in case alloc_percpu() fails. caif_device_alloc() can also use GFP_KERNEL instead of GFP_ATOMIC. Signed-off-by:
Eric Dumazet <eric.dumazet@gmail.com> CC: Sjur Brændeland <sjur.brandeland@stericsson.com> Acked-by:
Sjur Brændeland <sjur.brandeland@stericsson.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Max Matveev authored
Attempt to reduce the number of IP packets emitted in response to single SCTP packet (2e3216cd) introduced a complication - if a packet contains two COOKIE_ECHO chunks and nothing else then SCTP state machine corks the socket while processing first COOKIE_ECHO and then loses the association and forgets to uncork the socket. To deal with the issue add new SCTP command which can be used to set association explictly. Use this new command when processing second COOKIE_ECHO chunk to restore the context for SCTP state machine. Signed-off-by:
Max Matveev <makc@redhat.com> Signed-off-by:
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Anton Blanchard authored
Fix a number of issues in ibmveth_set_csum_offload: - set_attr6 and clr_attr6 may be used uninitialised - We store the result of the IPV4 checksum change in ret but overwrite it in a couple of places before checking it again later. Add ret4 to make it obvious what we are doing. - We weren't clearing the NETIF_F_IP_CSUM and NETIF_F_IPV6_CSUM flags if the enable of that hypervisor feature failed. Signed-off-by:
Anton Blanchard <anton@samba.org> Signed-off-by:
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Anton Blanchard authored
Commit b9367bf3 (net: ibmveth: convert to hw_features) reversed a check in ibmveth_set_csum_offload that results in checksum offload never being enabled. Signed-off-by:
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Anton Blanchard authored
descs[].fields.address is 32bit which truncates any dma mapping errors so dma_mapping_error() fails to catch it. Use a dma_addr_t to do the comparison. With this patch I was able to transfer many gigabytes of data with IOMMU fault injection set at 10% probability. Signed-off-by:
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Brian King authored
Commit 6e8ab30e (ibmveth: Add scatter-gather support) introduced a DMA mapping API inconsistency resulting in dma_unmap_page getting called on memory mapped via dma_map_single. This was seen when CONFIG_DMA_API_DEBUG was enabled. Fix up this API usage inconsistency. Signed-off-by:
Brian King <brking@linux.vnet.ibm.com> Acked-by:
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David S. Miller authored
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- 15 Sep, 2011 29 commits
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Toshiharu Okada authored
Support new device OKI SEMICONDUCTOR ML7831 IOH(Input/Output Hub) ML7831 is for general purpose use. ML7831 is companion chip for Intel Atom E6xx series. ML7831 is completely compatible for Intel EG20T PCH. Signed-off-by:
Toshiharu Okada <toshiharu-linux@dsn.okisemi.com> Signed-off-by:
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Toshiharu Okada authored
This patch added the processing which should be done to hardware, when a FIFO over run error occurred. Signed-off-by:
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Toshiharu Okada authored
This patch fixed the issue which receives an unnecessary packet before link When using PHY of GMII, an unnecessary packet is received, And it becomes impossible to receive a packet after link up. Signed-off-by:
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Ben Hutchings authored
This was originally done as part of commit 65f0b417 ("sfc: Use write-combining to reduce TX latency"), but that had to be reverted. Signed-off-by:
Ben Hutchings <bhutchings@solarflare.com> Signed-off-by:
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Ben Hutchings authored
This reverts commits 65f0b417, d88d6b05, fcfa0604, 747df225 and 867955f5. Depending on the processor model, write-combining may result in reordering that the NIC will not tolerate. This typically results in a DMA error event and reset by the driver, logged as: sfc 0000:0e:00.0: eth2: TX DMA Q reports TX_EV_PKT_ERR. sfc 0000:0e:00.0: eth2: resetting (ALL) Signed-off-by:
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Yaniv Rosner authored
Enable changing advertisement settings via ethtool. Signed-off-by:
Yaniv Rosner <yanivr@broadcom.com> Signed-off-by:
Eilon Greenstein <eilong@broadcom.com> Reviewed-by:
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Yaniv Rosner authored
Fix 1G link LED for the BCM578xx-SFI/KR. Signed-off-by:
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Yaniv Rosner authored
Change XMAC loopback type from CORE LOCAL to LINE LOCAL for the BCM578xx due to intermittent problem with the loopback with this configuration. Signed-off-by:
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Yaniv Rosner authored
Remove remote fault detection as a tactic retreat due to link issues involved with it. Once issue is resolved, this feature will be restored again. Signed-off-by:
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Yaniv Rosner authored
Enable FEC(Forward Error Correction) for 57810-KR to reduce link errors. Signed-off-by:
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Yaniv Rosner authored
ETS bandwidth of 0% is not allowed by driver, so provide alternative HW configuration for this case. Signed-off-by:
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nhorman authored
d8873315 introduced the IFF_SKB_TX_SHARING flag, which I unilaterally set in ether_setup. In doing this I didn't realize that other flags (such as IFF_XMIT_DST_RELEASE) might be set prior to calling the ether_setup routine. This patch changes ether_setup to or in SKB_TX_SHARING so as not to inadvertently clear other existing flags. Thanks to Pekka Riikonen for pointing out my error Signed-off-by:
Neil Horman <nhorman@tuxdriver.com> Reported-by:
Pekka Riikonen <priikone@iki.fi> CC: "David S. Miller" <davem@davemloft.net> Acked-by:
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Michael S. Tsirkin authored
dev_forward_skb loops an skb back into host networking stack which might hang on the memory indefinitely. In particular, this can happen in macvtap in bridged mode. Copy the userspace fragments to avoid blocking the sender in that case. As this patch makes skb_copy_ubufs extern now, I also added some documentation and made it clear the SKBTX_DEV_ZEROCOPY flag automatically instead of doing it in all callers. This can be made into a separate patch if people feel it's worth it. Signed-off-by:
Michael S. Tsirkin <mst@redhat.com> Signed-off-by:
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dpward authored
flow_cache_lookup will return a cached object (or null pointer) that the resolver (i.e. xfrm_policy_lookup) previously found for another namespace using the same key/family/dir. Instead, make the namespace part of what identifies entries in the cache. As before, flow_entry_valid will return 0 for entries where the namespace has been deleted, and they will be removed from the cache the next time flow_cache_gc_task is run. Reported-by:
Andrew Dickinson <whydna@whydna.net> Signed-off-by:
David Ward <david.ward@ll.mit.edu> Signed-off-by:
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Kavan Smith authored
Add USB product ID for iPhone 4 CDMA Verizon Tested on at least 2 devices Signed-off-by:
Kavan Smith <kavansmith82@gmail.com> Signed-off-by:
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rajan.aggarwal85@gmail.com authored
This is important for SMP platform to check if timer function is executing on other CPU with deleting the timer. Signed-off-by: Rajan Aggarwal <Rajan Aggarwal rajan.aggarwal85@gmail.com> Acked-by:
Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by:
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Marcos Paulo de Souza authored
The dmfe module is a orphan driver, and with this was removed the maintainer of the documentation. Signed-off-by:
Marcos Paulo de Souza <marcos.mage@gmail.com> Signed-off-by:
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Eric Dumazet authored
"Possible SYN flooding on port xxxx " messages can fill logs on servers. Change logic to log the message only once per listener, and add two new SNMP counters to track : TCPReqQFullDoCookies : number of times a SYNCOOKIE was replied to client TCPReqQFullDrop : number of times a SYN request was dropped because syncookies were not enabled. Based on a prior patch from Tom Herbert, and suggestions from David. Signed-off-by:
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Igor Maravić authored
File cls_rsvp.h in /net/sched was outdated. I'm sending you patch for this file. [ tb[] array should be indexed by X not X-1 -DaveM ] Signed-off-by:
Igor Maravić <igorm@etf.rs> Signed-off-by:
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Ariel Elior authored
Seperated Rx and Tx coalescing to different state machines. Signed-off-by:
Ariel Elior <ariele@broadcom.com> Signed-off-by:
Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by:
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Dmitry Kravkov authored
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Dmitry Kravkov authored
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Dmitry Kravkov authored
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Dmitry Kravkov authored
Number of VNs for 4-port devices is 2 instead of 4 Signed-off-by:
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Vladislav Zolotarov authored
Store the size in bp, read from bp when queried. Signed-off-by:
Vladislav Zolotarov <vladz@broadcom.com> Signed-off-by:
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Dmitry Kravkov authored
It may happen every link toggle. Signed-off-by:
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Dmitry Kravkov authored
Fix the thresholds according to 5778x HW and increase rx_ring size to suit new thresholds in dropless_fc mode. Signed-off-by:
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- 13 Sep, 2011 4 commits
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Johannes Berg authored
If the command queue is constantly busy, which can happen in P2P, the hangcheck timer will frequently find a command in it and will eventually reset the device because nothing sets the timestamp for this queue when commands are processed. Fix this by setting the timestamp when a command completes. Cc: stable@kernel.org #2.6.39, #3.0.0 #3.1.0 Signed-off-by:
Johannes Berg <johannes.berg@intel.com> SIgned-off-by:
Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by:
John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
Alexander reported a strange crash in iwlagn that Meenakshi and Wey couldn't reproduce. I just ran into the same issue and tracked it down to stack corruption. This fixes it. The problem was introduced in commit 4b8b99b6e650d0527f3a123744b7459976581d14 Author: Wey-Yi Guy <wey-yi.w.guy@intel.com> Date: Fri Jul 8 14:29:48 2011 -0700 iwlagn: radio sensor offset in le16 format Cc: Wey-Yi Guy <wey-yi.w.guy@intel.com> Cc: Meenakshi Venkataraman <meenakshi.venkataraman@intel.com> Reported-by:Alexander Diewald <alex@diewald.cc> Signed-off-by:
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Mohammed Shafi Shajakhan authored
when the device is yanked out ath_pci_remove starts doing the cleanups, unregistering the hardware etc. so we should bail out immediately when we get drv_flush callback from mac80211 when the card is being unplugged. the panic occurs after we had associated to an AP. EIP: 0060:[<fb315b00>] EFLAGS: 00010246 CPU: 0 EIP is at ath_reset+0xa0/0x1c0 [ath9k] EAX: 00000000 EBX: 000697c0 ECX: 00000002 EDX: f3c3ccf0 ESI: 00000000 EDI: 00000000 EBP: f43e7b78 ESP: f43e7b50 DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 Process kworker/u:2 (pid: 182, ti=f43e6000 task=f3c3c7c0 task.ti=f43e6000) Stack: 0000002a 00000000 00000000 003e7b78 0000000f eaaa8500 ffffffea eaaa97c0 eaaaa000 00000001 f43e7ba8 fb315d23 f99e7721 ecece680 eaaac738 eaaa8500 eaaaa020 000000c8 000000c8 00000000 eaaa8d58 eaaa8500 f43e7bd0 fb080b29 Call Trace: [<fb315d23>] ath9k_flush+0x103/0x170 [ath9k] [<fb080b29>] __ieee80211_recalc_idle+0x2c9/0x400 [mac80211] [<fb080c8e>] ieee80211_recalc_idle+0x2e/0x60 [mac80211] [<fb07aa73>] ieee80211_mgd_deauth+0x173/0x210 [mac80211] [<fb084559>] ieee80211_deauth+0x19/0x20 [mac80211] [<f99dda53>] __cfg80211_mlme_deauth+0xf3/0x140 [cfg80211] [<c0633d00>] ? __mutex_lock_common+0x1f0/0x380 [<f99e1b5d>] __cfg80211_disconnect+0x18d/0x1f0 [cfg80211] [<f99c8199>] cfg80211_netdev_notifier_call+0x159/0x5c0 [cfg80211] [<c0608a64>] ? packet_notifier+0x174/0x1f0 [<c0639202>] notifier_call_chain+0x82/0xb0 [<c0170d8f>] raw_notifier_call_chain+0x1f/0x30 [<c053b86c>] call_netdevice_notifiers+0x2c/0x60 [<c0182184>] ? trace_hardirqs_on_caller+0xf4/0x180 [<c053b8ec>] __dev_close_many+0x4c/0xd0 [<c053ba2d>] dev_close_many+0x6d/0xc0 [<c053bb53>] rollback_registered_many+0x93/0x1c0 [<c018221b>] ? trace_hardirqs_on+0xb/0x10 [<c053bc95>] unregister_netdevice_many+0x15/0x50 [<fb07f83b>] ieee80211_remove_interfaces+0x7b/0xb0 [mac80211] [<fb06a14b>] ieee80211_unregister_hw+0x4b/0x110 [mac80211] [<fb311a4a>] ath9k_deinit_device+0x3a/0x60 [ath9k] [<fb31eed6>] ath_pci_remove+0x46/0x90 [ath9k] [<c03b4ac4>] pci_device_remove+0x44/0x100 [<c043eb54>] __device_release_driver+0x64/0xb0 [<c043ec67>] device_release_driver+0x27/0x40 [<c043deeb>] bus_remove_device+0x7b/0xa0 [<c043c491>] device_del+0xf1/0x180 [<c043c530>] device_unregister+0x10/0x20 [<c03afafe>] pci_stop_bus_device+0x6e/0x80 [<c03afb72>] pci_remove_bus_device+0x12/0xa0 [<c03c2f29>] pciehp_unconfigure_device+0x89/0x180 [<c0181e54>] ? mark_held_locks+0x64/0x100 [<c063390f>] ? __mutex_unlock_slowpath+0xaf/0x140 [<c03c1f84>] pciehp_disable_slot+0x64/0x1b0 [<c03c2850>] pciehp_power_thread+0xd0/0x100 [<c0164ad0>] ? process_one_work+0x100/0x4d0 [<c0164b4c>] process_one_work+0x17c/0x4d0 [<c0164ad0>] ? process_one_work+0x100/0x4d0 [<c03c2780>] ? queue_interrupt_event+0xa0/0xa0 [<c01662bb>] worker_thread+0x13b/0x320 [<c018221b>] ? trace_hardirqs_on+0xb/0x10 [<c0166180>] ? manage_workers+0x1e0/0x1e0 [<c016a654>] kthread+0x84/0x90 [<c016a5d0>] ? __init_kthread_worker+0x60/0x60 [<c063d106>] kernel_thread_helper+0x6/0x10 Cc: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by:
Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com> Signed-off-by:
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Johannes Berg authored
Since my commit 34e89507 ("mac80211: allow station add/remove to sleep") there is a race in mac80211 when it clears the TIM bit because a sleeping station disconnected, the spinlock isn't held around the relevant code any more. Use the right API to acquire the spinlock correctly. Cc: stable@kernel.org [2.6.34+] Signed-off-by:
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