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2012-07-26ipv4: Fix input route performance regression.David S. Miller
With the routing cache removal we lost the "noref" code paths on input, and this can kill some routing workloads. Reinstate the noref path when we hit a cached route in the FIB nexthops. With help from Eric Dumazet. Reported-by: Alexander Duyck <alexander.duyck@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-26pch_gbe: vlan skb len fixAndy Cress
pch_gbe_xmit_frame skb->len verification was incorrect in vlan case causing bogus transfer length errors. One correction could be: offset = skb->protocol == htons(ETH_P_8021Q) ? 0 : 4; if (unlikely(skb->len > (adapter->hw.mac.max_frame_size - offset))) However, this verification is not necessary, so remove it. Signed-off-by: Andy Cress <andy.cress@us.kontron.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-26pch_gbe: add extra clean txAndy Cress
This adds extra cleaning to the pch_gbe_clean_tx routine to avoid transmit timeouts on some BCM PHYs that have different timing. Also update the DRV_VERSION to 1.01, and show it. Signed-off-by: Andy Cress <andy.cress@us.kontron.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-26pch_gbe: fix transmit watchdog timeoutAndy Cress
An extended ping test with 6 vlans resulted in a driver oops with a netdev transmit timeout. Fix WATCHDOG_TIMEOUT to be more like e1000e at 5 * HZ, to avoid unnecessary transmit timeouts. Signed-off-by: Andy Cress <andy.cress@us.kontron.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-26ixgbe: fix panic while dumping packets on Tx hang with IOMMUEmil Tantilov
This patch resolves a "BUG: unable to handle kernel paging request at ..." oops while dumping packet data. The issue occurs with IOMMU enabled due to the address provided by phys_to_virt(). This patch makes use of skb->data on Tx and the virtual address of the pages allocated for Rx. Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com> Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-26be2net: Fix to parse RSS hash from Receive completions correctly.Sarveshwar Bandi
Wrong pointer variable is being used to parse the rss hash from receive completions leading to corrupted rss_hash values filled into skb. Signed-off-by: Sarveshwar Bandi <sarveshwar.bandi@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-26net/mlx4_en: Limit the RFS filter IDs to be < RPS_NO_FILTERAmir Vadai
RFS filter id can't have the special value RPS_NO_FILTER, need to skip it when allocating id's. CC: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-25hyperv: Add error handling to rndis_filter_device_add()Haiyang Zhang
Reported-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Reviewed-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-25hyperv: Add a check for ring_size valueHaiyang Zhang
It prevents ring_size being set to a too small value. Reported-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Reviewed-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-25ipv4: rt_cache_valid must check expired routesEric Dumazet
commit d2d68ba9fe8 (ipv4: Cache input routes in fib_info nexthops.) introduced rt_cache_valid() helper. It unfortunately doesn't check if route is expired before caching it. I noticed sk_setup_caps() was constantly called on a tcp workload. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-25net/pch_gpe: Cannot disable ethernet autonegationWei Yang
When attempting to disable ethernet autonegation via ethtool, the pch_gpe driver will set software reset bit of PHY chip, But control register of PHY chip of FRI2 will reenable ethernet autonegation. Signed-off-by: Wei Yang <w90p710@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-25qeth: repair crash in qeth_l3_vlan_rx_kill_vid()frank.blaschka@de.ibm.com
Commit efc73f4b "net: Fix memory leak - vlan_info struct" adds deletion of VLAN 0 for devices with feature NETIF_F_HW_VLAN_FILTER. For driver qeth these are the layer 3 devices. Usually there exists no separate vlan net_device for VLAN 0. Thus the qeth functions qeth_l3_free_vlan_addresses4() and qeth_l3_free_vlan_addresses6() require an extra checking if function __vlan_find_dev_deep() returns with a net_device. Cc: stable@vger.kernel.org Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com> Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-25netiucv: cleanup attribute usagefrank.blaschka@de.ibm.com
Let the driver core handle device attribute creation and removal. This will simplify the code and eliminates races between attribute availability and userspace notification via uevents. Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com> Acked-by: Ursula Braun <ursula.braun@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-25net: wiznet add missing HAS_IOMEM dependencyfrank.blaschka@de.ibm.com
The "WIZnet devices" config option should depend on HAS_IOMEM as all wiznet drivers require it as well. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-25be2net: Missing byteswap in be_get_fw_log_level causes oops on PowerPCAnton Blanchard
We are seeing an oops in be_get_fw_log_level on ppc64 where we walk off the end of memory. commit 941a77d582c8 (be2net: Fix to allow get/set of debug levels in the firmware.) requires byteswapping of num_modes and num_modules. Cc: stable@vger.kernel.org # 3.5+ Signed-off-by: Anton Blanchard <anton@samba.org> Acked-by: Sathya Perla <sperla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-25mlx4: Add support for EEH error recoveryKleber Sacilotto de Souza
Currently the mlx4 drivers don't have the necessary callbacks to implement EEH errors detection and recovery, so the PCI layer uses the probe and remove callbacks to try to recover the device after an error on the bus. However, these callbacks have race conditions with the internal catastrophic error recovery functions, which will also detect the error and this can cause the system to crash if both EEH and catas functions try to reset the device. This patch adds the necessary error recovery callbacks and makes sure that the internal catastrophic error functions will not try to reset the device in such scenarios. It also adds some calls to pci_channel_offline() to suppress reads/writes on the bus when the slot cannot accept I/O operations so we prevent unnecessary accesses to the bus and speed up the device removal. Signed-off-by: Kleber Sacilotto de Souza <klebers@linux.vnet.ibm.com> Acked-by: Shlomo Pongratz <shlomop@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-24cdc-ncm: tag Ericsson WWAN devices (eg F5521gw) with FLAG_WWANDan Williams
Tag Ericsson NCM devices as WWAN modems, since they almost certainly all are. This way userspace clients know that the device requires further setup on the AT-capable serial ports before connectivity is available. Signed-off-by: Dan Williams <dcbw@redhat.com>
2012-07-24wanmain: comparing array with NULLAlan Cox
gcc really should warn about these ! Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-24caif: fix NULL pointer checkAlan Cox
Reported-by: <rucsoftsec@gmail.com> Resolves-bug: http://bugzilla.kernel.org/show_bug?44441 Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-24team: init error value to 0 in team_netpoll_setup()Jiri Pirko
This will ensure correct value is returned in case the port list is empty. Signed-off-by: Jiri Pirko <jiri@resnulli.us> Reported-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-24tcp: early_demux fixesEric Dumazet
1) Remove a non needed pskb_may_pull() in tcp_v4_early_demux() and fix a potential bug if skb->head was reallocated (iph & th pointers were not reloaded) TCP stack will pull/check headers anyway. 2) must reload iph in ip_rcv_finish() after early_demux() call since skb->head might have changed. 3) skb->dev->ifindex can be now replaced by skb->skb_iif Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-24bnx2x: Correct EEE statistics gatheringYuval Mintz
In boards with 4-ports, Tx LPI statistics were gathered incorrectly. This patch guarantees that each pmf will only query its own port for these statistics. Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-24Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-nextLinus Torvalds
Pull networking changes from David S Miller: 1) Remove the ipv4 routing cache. Now lookups go directly into the FIB trie and use prebuilt routes cached there. No more garbage collection, no more rDOS attacks on the routing cache. Instead we now get predictable and consistent performance, no matter what the pattern of traffic we service. This has been almost 2 years in the making. Special thanks to Julian Anastasov, Eric Dumazet, Steffen Klassert, and others who have helped along the way. I'm sure that with a change of this magnitude there will be some kind of fallout, but such things ought the be simple to fix at this point. Luckily I'm not European so I'll be around all of August to fix things :-) The major stages of this work here are each fronted by a forced merge commit whose commit message contains a top-level description of the motivations and implementation issues. 2) Pre-demux of established ipv4 TCP sockets, saves a route demux on input. 3) TCP SYN/ACK performance tweaks from Eric Dumazet. 4) Add namespace support for netfilter L4 conntrack helpers, from Gao Feng. 5) Add config mechanism for Energy Efficient Ethernet to ethtool, from Yuval Mintz. 6) Remove quadratic behavior from /proc/net/unix, from Eric Dumazet. 7) Support for connection tracker helpers in userspace, from Pablo Neira Ayuso. 8) Allow userspace driven TX load balancing functions in TEAM driver, from Jiri Pirko. 9) Kill off NLMSG_PUT and RTA_PUT macros, more gross stuff with embedded gotos. 10) TCP Small Queues, essentially minimize the amount of TCP data queued up in the packet scheduler layer. Whereas the existing BQL (Byte Queue Limits) limits the pkt_sched --> netdevice queuing levels, this controls the TCP --> pkt_sched queueing levels. From Eric Dumazet. 11) Reduce the number of get_page/put_page ops done on SKB fragments, from Alexander Duyck. 12) Implement protection against blind resets in TCP (RFC 5961), from Eric Dumazet. 13) Support the client side of TCP Fast Open, basically the ability to send data in the SYN exchange, from Yuchung Cheng. Basically, the sender queues up data with a sendmsg() call using MSG_FASTOPEN, then they do the connect() which emits the queued up fastopen data. 14) Avoid all the problems we get into in TCP when timers or PMTU events hit a locked socket. The TCP Small Queues changes added a tcp_release_cb() that allows us to queue work up to the release_sock() caller, and that's what we use here too. From Eric Dumazet. 15) Zero copy on TX support for TUN driver, from Michael S. Tsirkin. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1870 commits) genetlink: define lockdep_genl_is_held() when CONFIG_LOCKDEP r8169: revert "add byte queue limit support". ipv4: Change rt->rt_iif encoding. net: Make skb->skb_iif always track skb->dev ipv4: Prepare for change of rt->rt_iif encoding. ipv4: Remove all RTCF_DIRECTSRC handliing. ipv4: Really ignore ICMP address requests/replies. decnet: Don't set RTCF_DIRECTSRC. net/ipv4/ip_vti.c: Fix __rcu warnings detected by sparse. ipv4: Remove redundant assignment rds: set correct msg_namelen openvswitch: potential NULL deref in sample() tcp: dont drop MTU reduction indications bnx2x: Add new 57840 device IDs tcp: avoid oops in tcp_metrics and reset tcpm_stamp niu: Change niu_rbr_fill() to use unlikely() to check niu_rbr_add_page() return value niu: Fix to check for dma mapping errors. net: Fix references to out-of-scope variables in put_cmsg_compat() net: ethernet: davinci_emac: add pm_runtime support net: ethernet: davinci_emac: Remove unnecessary #include ...
2012-07-24Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 changes from Martin Schwidefsky: "No new functions, a few changes to make the code more robust, some cleanups and bug fixes." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (21 commits) s390/vtimer: rework virtual timer interface s390/dis: Add the servc instruction to the disassembler. s390/comments: unify copyright messages and remove file names s390/lgr: Add init check to lgr_info_log() s390/cpu init: use __get_cpu_var instead of per_cpu s390/idle: reduce size of s390_idle_data structure s390/idle: fix sequence handling vs cpu hotplug s390/ap: resend enable adapter interrupt request. s390/hypfs: Add missing get_next_ino() s390/dasd: add shutdown action s390/ipl: Fix ipib handling for "dumpreipl" shutdown action s390/smp: make absolute lowcore / cpu restart parameter accesses more robust s390/vmlogrdr: cleanup driver attribute usage s390/vmlogrdr: cleanup device attribute usage s390/ccwgroup: remove unused ccwgroup_device member s390/cio/chp: cleanup attribute usage s390/sigp: use sigp order code defines in assembly code s390/smp: use sigp cpu status definitions s390/smp/kvm: unifiy sigp definitions s390/smp: remove redundant check ...
2012-07-24Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lliubbo/blackfin Pull blackfin changes from Bob Liu: "The big changes are adding PM and HDMI support for bf60x, other patches are various bug fix and code cleanup." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lliubbo/blackfin: (48 commits) bf60x: fix build warning PM: add BF60x flash suspend and resume support blackfin: twi: read twi mmr via bfin_read macro dpm: deepsleep: reserve stack bf60x: cpufreq: fix anomaly 05000273 bf609: add adv7511 display support blackfin: cplb-nompu: fix ROM cplb size for bf609-ezkit bf60x: Add double fault, hardware error and NMI SEC handler bf60x: update anomaly id in serial and twi driver headers. bf60x: vs6624 pin update bf60x: add default anomaly setting. bf60x: update bf60x anomaly list. bf60x: sec: Enable sec interrupt source priority configuration. bf60x: sec: Clean up interrupt initialization code for SEC. bf609: reuse bf5xx-i2s-pcm.c as i2s pcm driver bf561: add capabilities in adv7183_inputs bf609: convert vs6624 blank_clocks to black_pixels blackfin: fix musb macro name cleanup: sec and linkport only built on bf60x bfin: pint: add pint suspend and resume ...
2012-07-24Merge tag 'for-linus' of git://linux-c6x.org/git/projects/linux-c6x-upstreamingLinus Torvalds
Pull C6X changes from Mark Salter: - remove use of legacy irqs which really wasn't needed - add support for C66x SoC on EVMC6678 board - clean up compiler warning * tag 'for-linus' of git://linux-c6x.org/git/projects/linux-c6x-upstreaming: C6X: clean up compiler warning C6X: add basic support for TMS320C6678 SoC C6X: remove dependence on legacy IRQs C6X: remove megamod-pic requirement on direct-mapped core pic
2012-07-24genetlink: define lockdep_genl_is_held() when CONFIG_LOCKDEPWANG Cong
lockdep_is_held() is defined when CONFIG_LOCKDEP, not CONFIG_PROVE_LOCKING. Cc: "David S. Miller" <davem@davemloft.net> Cc: Jesse Gross <jesse@nicira.com> Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-24bf60x: fix build warningBob Liu
Fix several build warning while using bf609-ezkit_defconfig. Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-07-24PM: add BF60x flash suspend and resume supportSteven Miao
Signed-off-by: Steven Miao <realmz6@gmail.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-07-24blackfin: twi: read twi mmr via bfin_read macroSonic Zhang
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-07-24dpm: deepsleep: reserve stackSteven Miao
Reserve 12 bytes on the stack for deepsleep use. Signed-off-by: Steven Miao <realmz6@gmail.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-07-24bf60x: cpufreq: fix anomaly 05000273Sonic Zhang
Anomaly 05000273 doesn't apply to bf60x. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-07-24bf609: add adv7511 display supportScott Jiang
Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-07-24blackfin: cplb-nompu: fix ROM cplb size for bf609-ezkitBob Liu
In user xip test, there is a cplb error when ROMKERNEL try to mount romfs using 'mount -t romfs /dev/mtdblock2 /mnt', becasue the CPLB setting is not correct. Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-07-24bf60x: Add double fault, hardware error and NMI SEC handlerSonic Zhang
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-07-24bf60x: update anomaly id in serial and twi driver headers.Sonic Zhang
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-07-24bf60x: vs6624 pin updateVivi Li
Change ce pin to PE4 according to new adaptor board and re-define ppi for vs6624 to avoid gpio conflict. Signed-off-by: Vivi Li <vivi.li@analog.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-07-24bf60x: add default anomaly setting.Sonic Zhang
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-07-24bf60x: update bf60x anomaly list.Sonic Zhang
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-07-24bf60x: sec: Enable sec interrupt source priority configuration.Sonic Zhang
Customize the SEC interrupt priority array in machine ints-priority.c. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-07-24bf60x: sec: Clean up interrupt initialization code for SEC.Sonic Zhang
Turn SEC related macro CONFIG_BF60x into SEC_GCTL. Move machine specific GPIO_PINT macros to machine gpio header. Split SEC init_arch_irq() and vec_to_irq() from old SIC. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-07-24bf609: reuse bf5xx-i2s-pcm.c as i2s pcm driverScott Jiang
It's the same for both bf5xx and bf6xx soc. Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-07-24bf561: add capabilities in adv7183_inputsScott Jiang
Add capabilities in adv7183_inputs to indicate that S_STD is supported. Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-07-24bf609: convert vs6624 blank_clocks to black_pixelsScott Jiang
PPI driver has changed blank units from clocks to pixels. Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-07-24blackfin: fix musb macro nameBob Liu
Musb can't work since the marco name has been changed. Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-07-24cleanup: sec and linkport only built on bf60xSteven Miao
Signed-off-by: Steven Miao <realmz6@gmail.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-07-24bfin: pint: add pint suspend and resumeSteven Miao
Add pint suspend and resume if defined BFIN_GPIO_PINT. Signed-off-by: Steven Miao <realmz6@gmail.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-07-24bf60x: pm: add pint suspend and resume supportSteven Miao
save and restore pint sec CTL save and restore pint registers add pint suspend and resume when suspend to mem Signed-off-by: Steven Miao <realmz6@gmail.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-07-24bf609: add HDMI support for adv7842Scott Jiang
Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-07-24bf609: add CVBS and S-Video support for adv7842Scott Jiang
Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
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