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2009-01-29net: Fix frag_list handling in skb_seq_readHerbert Xu
The frag_list handling was broken in skb_seq_read: 1) We didn't add the stepped offset when looking at the head are of fragments other than the first. 2) We didn't take the stepped offset away when setting the data pointer in the head area. 3) The frag index wasn't reset. This patch fixes both issues. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-29netxen: revert jumbo ringsizeDhananjay Phadke
Reducing jumbo ring size below 1024 reduces throughput for old firmwares (3.4.216 and older) running on older (NX2031) chip, so restore it back to 1024. This was reduced in commit 32ec803348b4d5f1353e1d7feae30880b8b3e342 ("netxen: reduce memory footprint"). Raising jumbo ring size from 512 to 1024, adds ~4MB per port, but there's still big saving because of original patch (~20MB per port). Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-29Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
2009-01-29ath5k: fix locking in ath5k_configBob Copeland
ath5k_config updates the software context without taking sc->lock. Changes-licensed-under: 3-Clause-BSD Signed-off-by: Bob Copeland <me@bobcopeland.com> Acked-by: Nick Kossifidis <mickflemm@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-01-29cfg80211: print correct intersected regulatory domainLuis R. Rodriguez
When CONFIG_CFG80211_REG_DEBUG is enabled and an intersection occurs we are printing the regulatory domain passed by CRDA and indicating its the intersected regulatory domain. Lets fix this and print the intersection as originally intended. Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-01-29cfg80211: Fix sanity check on 5 GHz when processing country IELuis R. Rodriguez
This fixes two issues with the sanity check loop when processing the country IE: 1. Do not use frequency for the current subband channel check, this was a big fat typo. 2. Apply the 5 GHz 4-channel steps when considering max channel on each subband as was done with a recent patch. Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-01-29iwlwifi: fix kernel oops when ucode DMA memory allocation failureZhu, Yi
The patch fixes memcpy to NULL address when the ucode DMA allocation failure. This is a fix to bug http://www.intellinuxwireless.org/bugzilla/show_bug.cgi?id=1861 Signed-off-by: Zhu Yi <yi.zhu@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-01-29rtl8187: Fix error in setting OFDM power settings for RTL8187LLarry Finger
After reports of poor performance, a review of the latest vendor driver (rtl8187_linux_26.1025.0328.2007) for RTL8187L devices was undertaken. A difference was found in the code used to index the OFDM power tables. When the Linux driver was changed, my unit works at a much greater range than before. I think this fixes Bugzilla #12380 and has been tested by at least two other users. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Tested-by: Martín Ernesto Barreyro <barreyromartin@gmail.com> Cc: Stable <stable@kernel.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-01-29mac80211: remove Michael Wu as maintainerJohannes Berg
His email address keeps bouncing, and he's not interested in mac80211 patches etc. anyway. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-01-27ipv6: Make mc_forwarding sysctl read-only.David S. Miller
The kernel manages this value internally, as necessary, as VIFs are added/removed and as multicast routers are registered and deregistered. Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-27IPv6: Fix multicast routing bugs.Thomas Goff
This patch addresses the IPv6 multicast routing issues described below. It was tested with XORP 1.4/1.5 as the IPv6 PIM-SM routing daemon against FreeBSD peers. net/ipv6/ip6_input.c: - Don't try to forward link-local multicast packets. - Don't reset skb2->dev before calling ip6_mr_input() so packets can be identified as coming from the PIM register vif properly. net/ipv6/ip6mr.c: - Fix incoming PIM register messages processing: * The IPv6 pseudo-header should be included when checksumming PIM messages (RFC 4601 section 4.9; RFC 3973 section 4.7.1). * Packets decapsulated from PIM register messages should have skb->protocol ETH_P_IPV6. - Enable/disable IPv6 multicast forwarding on the corresponding interface when a routing daemon adds/removes a multicast virtual interface. - Remove incorrect skb_pull() to fix userspace signaling. - Enable/disable global IPv6 multicast forwarding when an IPv6 multicast routing socket is opened/closed. net/ipv6/route.c: - Don't use strict routing logic for packets decapsulated from PIM register messages (similar to disabling rp_filter for the IPv4 case). Signed-off-by: Thomas Goff <thomas.goff@boeing.com> Reviewed-by: Fred Templin <fred.l.templin@boeing.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-27net: fix xfrm reverse flow lookup for icmp6Jiri Pirko
This patch fixes the xfrm reverse flow lookup for icmp6 so that icmp6 packets don't get lost over ipsec tunnels. Similar patch is in RHEL5 kernel for a quite long time and I do not see why it isn't in mainline. Signed-off-by: Jiri Pirko <jpirko@redhat.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-27net: wrong test in inet_ehash_locks_alloc()Eric Dumazet
In commit 9db66bdcc83749affe61c61eb8ff3cf08f42afec (net: convert TCP/DCCP ehash rwlocks to spinlocks), I forgot to change one occurrence of rwlock_t to spinlock_t I believe sizeof(raw_spinlock_t) might be > 0 on !CONFIG_SMP if CONFIG_DEBUG_SPINLOCK while sizeof(raw_rwlock_t) should be 0 in this case. Fortunatly, CONFIG_DEBUG_SPINLOCK adds fields to both spinlock_t and rwlock_t, but at this might change in the future (being able to debug spinlocks but not rwlocks for example), better to be safe. Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-27e1000: fix bug with shared interrupt during resetJesse Brandeburg
A nasty bug was found where an MTU change (or anything else that caused a reset) could race with the interrupt code. The interrupt code was entered by a shared interrupt during the MTU change. This change prevents the interrupt code from running while the driver is in the middle of its reset path. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-27net: Get rid of by-hand TX queue hashing.David S. Miller
We now only TX hash on pre-computed SKB properties. The thinking is: 1) High performance routing and firewalling setups will have a multiqueue capable card used for receive, and therefore would have RX queue recordings made into the SKB which can be used for the TX side hash. 2) Locally generated packets will have an attached socket and thus a valid sk->sk_hash to make use of. Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-27net: If SKB has attached socket, use socket's hash for TX queue selection.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-27net: Add skb_record_rx_queue() calls to multiqueue capable drivers.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-27net: Allow RX queue selection to seed TX queue hashing.David S. Miller
The idea is that drivers which implement multiqueue RX pre-seed the SKB by recording the RX queue selected by the hardware. If such a seed is found on TX, we'll use that to select the outgoing TX queue. This helps get more consistent load balancing on router and firewall loads. Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-26iw_cxgb3: handle chip reset notificationsDivy Le Ray
Freeze activity when notified that the underlying chip is getting reset on a EEH event or fatal error. Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-26cxgb3: Notify fatal errorsDivy Le Ray
Set up a notification mechanism to inform upper layer modules (iWARP, iSCSI) of a chip reset due to an EEH event or a fatal error. Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-26tcp: Fix length tcp_splice_data_recv passes to skb_splice_bits.Dimitris Michailidis
tcp_splice_data_recv has two lengths to consider: the len parameter it gets from tcp_read_sock, which specifies the amount of data in the skb, and rd_desc->count, which is the amount of data the splice caller still wants. Currently it passes just the latter to skb_splice_bits, which then splices min(rd_desc->count, skb->len - offset) bytes. Most of the time this is fine, except when the skb contains urgent data. In that case len goes only up to the urgent byte and is less than skb->len - offset. By ignoring len tcp_splice_data_recv may a) splice data tcp_read_sock told it not to, b) return to tcp_read_sock a value > len. Now, tcp_read_sock doesn't handle used > len and leaves the socket in a bad state (both sk_receive_queue and copied_seq are bad at that point) resulting in duplicated data and corruption. Fix by passing min(rd_desc->count, len) to skb_splice_bits. Signed-off-by: Dimitris Michailidis <dm@chelsio.com> Acked-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-26r6040: Remove unused variable pdev from drivers/net/r6040.cManish Katiyar
drivers/net/r6040.c:441: warning: unused variable 'pdev' Signed-off-by: Manish Katiyar <mkatiyar@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-26udp: optimize bind(0) if many ports are in useEric Dumazet
commit 9088c5609584684149f3fb5b065aa7f18dcb03ff (udp: Improve port randomization) introduced a regression for UDP bind() syscall to null port (getting a random port) in case lot of ports are already in use. This is because we do about 28000 scans of very long chains (220 sockets per chain), with many spin_lock_bh()/spin_unlock_bh() calls. Fix this using a bitmap (64 bytes for current value of UDP_HTABLE_SIZE) so that we scan chains at most once. Instead of 250 ms per bind() call, we get after patch a time of 2.9 ms Based on a report from Vitaly Mayatskikh Reported-by: Vitaly Mayatskikh <v.mayatskih@gmail.com> Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Tested-by: Vitaly Mayatskikh <v.mayatskih@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-26smsc911x: leave RX_STOP interrupt permanently enabledSteve Glendinning
smsc911x_set_multicast_list currently performs the only non-atomic read-modify-write of INT_EN. This patch permanently enables the RXSTOP_INT interrupt, and changes the ISR to only conditionally run the multicast filter workaround code. Signed-off-by: Steve Glendinning <steve.glendinning@smsc.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-26smc91x: struct net_device_opsMagnus Damm
Convert the smc91x driver to use struct net_device_ops. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-26net: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-26net: pppoe - stop using proc internalsCyrill Gorcunov
Alexey Dobriyan pointed that using PDE_NET outside the proc code is plain bogus (thanks Alexey!). Fix it. Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-26pppol2tp: stop using proc internalsAlexey Dobriyan
PDE_NET usage in driver code is a sign and, indeed, switching to seq_open_net/seq_release_net saves code and fixes bogus things, like user triggerabble BUG_ON(!net) after maybe_get_net, and NULLifying ->private. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-26Phonet: use per-namespace devices listremi.denis-courmont@nokia
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-26Phonet: remove useless locking in device cleanupremi.denis-courmont@nokia
Incoming packets and sockets are already gone. The netdevice notifier is unregistered under the RTNL lock There remains a race with the rtnetlink handlers unregistration, but it is a generic RTNL issue that was already present before this change. Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-26Phonet: handle rtnetlink registration failureremi.denis-courmont@nokia
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-26Phonet: allow phonet_device_init() to fail, put it to __init sectionremi.denis-courmont@nokia
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-26Phonet: check destination before delivering packets locallyremi.denis-courmont@nokia
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-26Phonet: move to Networking options like other protocol stacksremi.denis-courmont@nokia
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-26virtio_net: use correct accessors for scatterlistsIra W. Snyder
Without this fix, virtio_net makes incorrect usage of scatterlists. It sets the end of the scatterlist chain after the first element, despite the fact that more entries come after it. If you try to run dma_map_sg() on one of the scatterlists given to you by add_buf(), you will get a null pointer oops. Signed-off-by: Ira W. Snyder <iws@ovro.caltech.edu> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-26ixgbe: add support KX/KX4 deviceDon Skidmore
And support for the KX/KX4 mezzanine card. Device id 0x10B6. Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com> Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-26ixgbe: fix slow load times on 82598 nicsDon Skidmore
Load times for NICs that use i2c to communicate with the phy were taking ~4.5 sec per port. This fix first checks to see if the link is already up before calling get_link_capabilities, since if it is we don't need query the phy for link state. Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com> Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-26gre: optimize hash lookupTimo Teras
Instead of keeping candidate tunnel device from all categories, keep only one candidate with best score. This optimizes stack usage and speeds up exit code. Signed-off-by: Timo Teras <timo.teras@iki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-26Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
2009-01-26Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds
* master.kernel.org:/home/rmk/linux-2.6-arm: (22 commits) [ARM] fix section-based ioremap [NET] am79c961a: fix spin_lock usage [ARM] omap: usb: thou shalt not provide empty release functions [ARM] omap: watchdog: allow OMAP watchdog driver on OMAP34xx platforms [ARM] 5369/1: omap mmc: Add new omap hsmmc controller for 2430 and 34xx, v3 [ARM] clkdev: fix clock matching [ARM] 5370/1: at91: fix rm9200 watchdog [ARM] 5368/1: arch/arm/mach-davinci/usb.c buildfix [ARM] 5365/1: s3cmci: Use new include path of dma.h [ARM] fix StrongARM-11x0 page copy implementation [ARM] omap: ensure OMAP drivers pass a struct device to clk_get() ARM: OMAP: Fix compile for h3 MMC ARM: OMAP: Remove unused platform devices, v3 ARM: OMAP: Fix ASoC by enabling writes to XCCR and RCCR McBSP registers, v3 ARM: OMAP: Fix OSK ASoC by registering I2C board info for tlvaic23 ARM: OMAP: remove duplicated #include's ARM: OMAP: Fix DMA CCR programming for request line > 63, v3 ARM: OMAP: Fix gpio.c compile on 15xx with CONFIG_DEBUGFS ARM: OMAP: Fix compile for beagle ARM: OMAP: Fix gpio by switching to generic gpio calls, v2 ...
2009-01-26Merge branch 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6Linus Torvalds
* 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6: i2c: Warn on deprecated binding model use eeprom: More consistent symbol names eeprom: Move 93cx6 eeprom driver to /drivers/misc/eeprom spi: Move at25 (for SPI eeproms) to /drivers/misc/eeprom i2c: Move old eeprom driver to /drivers/misc/eeprom i2c: Move at24 to drivers/misc/eeprom i2c: Quilt tree has moved i2c: Delete many unused adapter IDs i2c: Delete 10 unused driver IDs
2009-01-26Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixesLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes: kbuild: fix kbuild.txt typos kbuild: print usage with no arguments in scripts/config Revert "kbuild: strip generated symbols from *.ko"
2009-01-26Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (92 commits) gianfar: Revive VLAN support vlan: Export symbols as non GPL symbols. bnx2x: tx_has_work should not wait for FW netxen: reduce memory footprint netxen: fix vlan tso/checksum offload net: Fix linux/if_frad.h's suitability for userspace. net: Move config NET_NS to from net/Kconfig to init/Kconfig isdn: Fix missing ifdef in isdn_ppp networking: document "nc" in addition to "netcat" in netconsole.txt e1000e: workaround hw errata af_key: initialize xfrm encap_oa virtio_net: Fix MAX_PACKET_LEN to support 802.1Q VLANs lcs: fix compilation for !CONFIG_IP_MULTICAST rtl8187: Add termination packet to prevent stall iwlwifi: fix rs_get_rate WARN_ON() p54usb: fix packet loss with first generation devices sctp: Fix another socket race during accept/peeloff sctp: Properly timestamp outgoing data chunks for rtx purposes sctp: Correctly start rtx timer on new packet transmissions. sctp: Fix crc32c calculations on big-endian arhes. ...
2009-01-26Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: sparc64: Fix DAX handling via userspace access from kernel. sparc64: Annotate sparc64 specific syscalls with SYSCALL_DEFINEx() [CVE-2009-0029] sparc: Enable syscall wrappers for 64-bit sparc64: Initialize FHC/CLOCK LED platform_device 'id' field correctly. sparc64: fix modpost failure sparc64: fix readout of cpu/fpu type
2009-01-26gianfar: Revive VLAN supportAnton Vorontsov
commit 77ecaf2d5a8bfd548eed3f05c1c2e6573d5de4ba ("gianfar: Fix VLAN HW feature related frame/buffer size calculation") wrongly removed priv->vlgrp assignment, and now priv->vlgrp is always NULL. This patch fixes the issue, plus fixes following sparse warning introduced by the same commit: gianfar.c:1406:13: warning: context imbalance in 'gfar_vlan_rx_register' - wrong count at exit gfar_vlan_rx_register() checks for "if (old_grp == grp)" and tries to return w/o dropping the lock. According to net/8021q/vlan.c VLAN core issues rx_register() callback: 1. In register_vlan_dev() only on a newly created group; 2. In unregister_vlan_dev() only if the group becomes empty. Thus the check in the gianfar driver isn't needed. Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Acked-by: Andy Fleming <afleming@freescale.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-26vlan: Export symbols as non GPL symbols.Ben Greear
In previous kernels, any kernel module could get access to the 'real-device' and the VLAN-ID for a particular VLAN. In more recent kernels, the code was restructured such that this is hard to do without accessing private .h files for any module that cannot use GPL-only symbols. Attached is a patch to once again allow non-GPL modules the ability to access the real-device and VLAN id for VLANs. Signed-off-by: Ben Greear <greearb@candelatech.com> Acked-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-26bnx2x: tx_has_work should not wait for FWVladislav Zolotarov
The current tx_has_work waited until all packets sent by the driver are marked as completed by the FW. This is too greedy and it causes the bnx2x_poll to spin in vain. The driver should only check that all packets FW already completed are freed - only in unload flow the driver should make sure that transmit queue is empty Signed-off-by: Vladislav Zolotarov <vladz@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-26netxen: reduce memory footprintDhananjay Phadke
o reduce rx ring size from 8192 to 4096. o cut down old huge lro buffers. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-26netxen: fix vlan tso/checksum offloadDhananjay Phadke
o set netdev->vlan_features appropriately. o fix tso descriptor initialization for vlan case. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-26net: Fix linux/if_frad.h's suitability for userspace.Krzysztof Hałasa
The userspace interfaces are protected by CONFIG_* ifdefs and that of course can't work. Reported by Jaswinder Singh Rajput. Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
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