- 16 Nov, 2009 11 commits
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Eric Dumazet authored
net: Fix the rollback test in dev_change_name() In dev_change_name() an err variable is used for storing the original call_netdevice_notifiers() errno (negative) and testing for a rollback error later, but the test for non-zero is wrong, because the err might have positive value as well - from dev_alloc_name(). It means the rollback for a netdevice with a number > 0 will never happen. (The err test is reordered btw. to make it more readable.) Signed-off-by:
Jarek Poplawski <jarkao2@gmail.com> Signed-off-by:
Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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David S. Miller authored
This reverts commit 38783e67. It causes kernel bugzilla #14594 Signed-off-by:
David S. Miller <davem@davemloft.net>
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Sriram authored
In the NAPI poll function(emac_poll), check for netif_running() is unnecassary. In addition to associated runtime overhead, it also results in a continuous softirq loop when the interface is brought down under heavy traffic(tested wit Traffic Generator). Once the interface is disabled, the poll function always returns zero(with the check for netif_running) and napi_complete() would never get called resulting in softirq loop. Signed-off-by:
Sriramakrishnan <srk@ti.com> Acked-by:
Chaithrika U S <chaithrika@ti.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Sriram authored
In the NAPI poll function, check for netif_running() is unnecassary. In addition to associated runtime overhead, it also results in continuous softirq loop when the interface is brought down under heavy traffic(tested with Traffic Generator).Once the interface is disabled, the poll function always returns zero(with the check for netif_running) and napi_complete() would never get called resulting in softirq loop. Signed-off-by:
Sriramakrishnan <srk@ti.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Roel Kluin authored
The returned error should stay negative Signed-off-by:
Roel Kluin <roel.kluin@gmail.com> Acked-by:
Karsten Keil <keil@b1-systems.de> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Stanislav O. Bezzubtsev authored
Use the existing random_ether_addr() to generate random MAC instead of doing it by-hand. Signed-off-by:
Stanislav O. Bezzubtsev <stas@lvk.cs.msu.su> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Florian Fainelli authored
The version string already contains the printk level specifying it again results in the following message being printed: <6>r6040: RDC R6040 NAPI ... Signed-off-by:
Florian Fainelli <florian@openwrt.org> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Gustavo F. Padovan authored
Basic Mode is the default mode of operation of a L2CAP entity. In this case the RFC (Retransmission and Flow Control) configuration option should not be used at all. Normally remote L2CAP implementation should just ignore this option, but it can cause various side effects with other Bluetooth stacks that are not capable of handling unknown options. Signed-off-by:
Gustavo F. Padovan <gustavo@las.ic.unicamp.br> Signed-off-by:
Marcel Holtmann <marcel@holtmann.org>
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Gustavo F. Padovan authored
The default mode for SOCK_SEQPACKET is Basic Mode. So when no mode has been specified, Basic Mode shall be used. This is important for current application to keep working as expected and not cause a regression. Signed-off-by:
Gustavo F. Padovan <gustavo@las.ic.unicamp.br> Signed-off-by:
Marcel Holtmann <marcel@holtmann.org>
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Andrei Emeltchenko authored
This patch fixes double pairing issues with Secure Simple Paring support. It was observed that when pairing with SSP enabled, that the confirmation will be asked twice. http://www.spinics.net/lists/linux-bluetooth/msg02473.html This also causes bug when initiating SSP connection from Windows Vista. The reason is because bluetoothd does not store link keys since HCIGETAUTHINFO returns 0. Setting default to general bonding fixes these issues. Signed-off-by:
Andrei Emeltchenko <andrei.emeltchenko@nokia.com> Signed-off-by:
Marcel Holtmann <marcel@holtmann.org>
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- 14 Nov, 2009 8 commits
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Raimonds Cicans authored
In r8169 driver MTU is used to calculate receive buffer size. Receive buffer size is used to configure hardware incoming packet filter. For jumbo frames: Receive buffer size = Max frame size = MTU + 14 (ethernet header) + 4 (vlan header) + 4 (ethernet checksum) = MTU + 22 Bug: driver for all MTU up to 1536 use receive buffer size 1536 As you can see from formula, this mean all IP packets > 1536 - 22 (for vlan tagged, 1536 - 18 for not tagged) are dropped by hardware filter. Example: host_good> ifconfig eth0 mtu 1536 host_r8169> ifconfig eth0 mtu 1536 host_good> ping host_r8169 Ok host_good> ping -s 1500 host_r8169 Fail host_good> ifconfig eth0 mtu 7000 host_r8169> ifconfig eth0 mtu 7000 host_good> ping -s 1500 host_r8169 Ok Bonus: got rid of magic number 8 Signed-off-by:
Raimonds Cicans <ray@apollo.lv> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Wolfgang Grandegger authored
This patch adds the missing "get_xstats_size" callback for the netlink interface, which is required if "fill_xstats" is used, as pointed out by Patrick McHardy. Signed-off-by:
Wolfgang Grandegger <wg@grandegger.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Oliver Hartkopp authored
In 2.6.32-rc the new EMS USB CAN driver was contributed and added the Kconfig entry right behind an entry of the same *vendor*. This teared the SJA1000 based driver selection into pieces. This fix cleans up the 2.6.32-rc Kconfig files for the CAN drivers and moves the SJA1000 and USB Kconfig portions into the belonging directories. As there are many new CAN drivers in the queue getting this cleanup into 2.6.32-rc would massively reduce the problems for the upcoming drivers. Thanks, Oliver Signed-off-by:
Oliver Hartkopp <oliver@hartkopp.net> Signed-off-by:
Wolfgang Grandegger <wg@grandegger.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Dan Carpenter authored
The other error paths in front of this one have a dev_put() but this one got missed. Found by smatch static checker. Signed-off-by:
Dan Carpenter <error27@gmail.com> Acked-by:
Wang Chen <ellre923@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Breno Leitao authored
Due commit 4b77b0a2, it is not more possible to pci_restore_state() more than once without calling pci_save_state() in the middle. Actually running a ethtool test on s2io makes the card inactive, and it needs to unload/reload the module to fix. This patch just save the state just after it restore in order to keep the old behaviour Signed-off-by:
Breno Leitao <leitao@linux.vnet.ibm.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Vlad Yasevich authored
Recent commits sctp: Get rid of an extra routing lookup when adding a transport and sctp: Set source addresses on the association before adding transports changed when routes are added to the sctp transports. As such, we didn't set the socket source address correctly when adding the first transport. The first transport is always the primary/active one, so when adding it, set the socket source address. This was causing regression failures in SCTP tests. Signed-off-by:
Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Vlad Yasevich authored
A new (unrealeased to the user) sctp_connectx api c6ba68a2 sctp: support non-blocking version of the new sctp_connectx() API introduced a regression cought by the user regression test suite. In particular, the API requires the user library to re-allocate the buffer and could potentially trigger a SIGFAULT. This change corrects that regression by passing the original address buffer to the kernel unmodified, but still allows for a returned association id. Signed-off-by:
Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Vlad Yasevich authored
Recent commit 8da645e1 sctp: Get rid of an extra routing lookup when adding a transport introduced a regression in the connection setup. The behavior was different between IPv4 and IPv6. IPv4 case ended up working because the route lookup routing returned a NULL route, which triggered another route lookup later in the output patch that succeeded. In the IPv6 case, a valid route was returned for first call, but we could not find a valid source address at the time since the source addresses were not set on the association yet. Thus resulted in a hung connection. The solution is to set the source addresses on the association prior to adding peers. Signed-off-by:
Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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- 13 Nov, 2009 1 commit
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Ilpo Järvinen authored
The addition of rcv_nxt allows to discern whether the skb was out of place or tp->copied. Also catch fancy combination of flags if necessary (sadly we might miss the actual causer flags as it might have already returned). Btw, we perhaps would want to forward copied_seq in somewhere or otherwise we might have some nice loop with WARN stuff within but where to do that safely I don't know at this stage until more is known (but it is not made significantly worse by this patch). Signed-off-by:
Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by:
David S. Miller <davem@davemloft.net>
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- 10 Nov, 2009 11 commits
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Wey-Yi Guy authored
Turn on RTS/CTS for HT to prevent uCode TX fifo underrun This is fix for http://bugzilla.intellinuxwireless.org/show_bug.cgi?id=2103Signed-off-by:
Wey-Yi Guy <wey-yi.w.guy@intel.com> Tested-by:
Jiajia Zheng <jiajia.zheng@intel.com> Signed-off-by:
Reinette Chatre <reinette.chatre@intel.com> Cc: stable@kernel.org Signed-off-by:
John W. Linville <linville@tuxdriver.com>
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Wey-Yi Guy authored
When 802.11g was introduced, we had RTS/CTS and CTS-to-Self protection mechanisms. In an HT Beacon, HT stations use the "Operating Mode" field in the HT Information Element to determine whether or not to use protection. The Operating Mode field has 4 possible settings: 0-3: Mode 0: If all stations in the BSS are 20/40 MHz HT capable, or if the BSS is 20/40 MHz capable, or if all stations in the BSS are 20 MHz HT stations in a 20 MHz BSS Mode 1: used if there are non-HT stations or APs using the primary or secondary channels Mode 2: if only HT stations are associated in the BSS and at least one 20 MHz HT station is associated. Mode 3: used if one or more non-HT stations are associated in the BSS. When in operating modes 1 or 3, and the Use_Protection field is 1 in the Beacon's ERP IE, all HT transmissions must be protected using RTS/CTS or CTS-to-Self. By default, CTS-to-self is the preferred protection mechanism for less overhead and higher throughput; but using the full RTS/CTS will better protect the inner exchange from interference, especially in highly-congested environment. For 6000 series WIFI NIC, RTS/CTS protection mechanism is the recommended choice for HT traffic based on the HW design. Signed-off-by:
Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by:
Reinette Chatre <reinette.chatre@intel.com> Cc: stable@kernel.org Signed-off-by:
John W. Linville <linville@tuxdriver.com>
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Bing Zhao authored
Configuration of wake-on-lan for unicast, multicast, broadcast, physical activity was not working. Kernel panic issue was there when user tries to disable WOL. Fixed them. Signed-off-by:
Amitkumar Karwar <akarwar@marvell.com> Signed-off-by:
Bing Zhao <bzhao@marvell.com> Signed-off-by:
John W. Linville <linville@tuxdriver.com>
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Bing Zhao authored
Signed-off-by:
Bing Zhao <bzhao@marvell.com> Signed-off-by:
John W. Linville <linville@tuxdriver.com>
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Larry Finger authored
Due to a missing header include, sparse generates the following warnings: CHECK drivers/net/wireless/rtl818x/rtl8187_rfkill.c warning: symbol 'rtl8187_rfkill_init' was not declared. Should it be static? warning: symbol 'rtl8187_rfkill_poll' was not declared. Should it be static? warning: symbol 'rtl8187_rfkill_exit' was not declared. Should it be static? Signed-off-by:
Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by:
John W. Linville <linville@tuxdriver.com>
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Bob Copeland authored
Setup the GPIOs for the BenQ Joybook netbook. Signed-off-by:
Bob Copeland <me@bobcopeland.com> Signed-off-by:
John W. Linville <linville@tuxdriver.com>
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Bob Copeland authored
Add GPIO configuration for the Compaq CQ60 laptop Reported-by:
David Dreggors <ddreggors@jumptv.com> Signed-off-by:
Bob Copeland <me@bobcopeland.com> Signed-off-by:
John W. Linville <linville@tuxdriver.com>
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Bob Copeland authored
We should not zero out the multicast hash when configuring the operating mode, since a zero value means all multicast frames will get dropped. Also, ath5k_mode_setup() gets called after any reset, so the hash already set up in configure_filter() is lost. Signed-off-by:
Bob Copeland <me@bobcopeland.com> Signed-off-by:
John W. Linville <linville@tuxdriver.com>
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Ivo van Doorn authored
Although I have always been the active maintainer of the rt2x00 drivers, I was not mentioned explicitely in the MAINTAINERS file as such. Update the rt2x00 entry in the MAINTAINERS file to add my name and email address. Signed-off-by:
Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by:
John W. Linville <linville@tuxdriver.com>
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Felix Fietkau authored
ops->set_tim() must be atomic, so b43 trying to acquire a mutex leads to a kernel crash. This patch trades an easy to trigger crash in AP mode for an unlikely race condition. According to Michael, the real fix would be to allow set_tim() to sleep, since b43 is not the only driver that needs to sleep in all callbacks. Signed-off-by:
Felix Fietkau <nbd@openwrt.org> Signed-off-by:
John W. Linville <linville@tuxdriver.com>
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Martin Fuzzey authored
The scan function was using 32 bit access which does not work on 16bit CF cards. This patch corrects this by doing two 16 bit reads like ssb_pcmcia_read32 already does. mb -- Removed locking. That early in init there's no need for locking. Signed-off-by:
Martin Fuzzey <mfuzzey@gmail.com> Signed-off-by:
Michael Buesch <mb@bu3sch.de> Signed-off-by:
John W. Linville <linville@tuxdriver.com>
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- 08 Nov, 2009 3 commits
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Sebastian Siewior authored
or it will taint the kernel and fail to load becuase of_address_to_resource() is GPL only. Signed-off-by:
Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Wolfgang Grandegger authored
On older kernels, e.g. 2.6.27, a WARN_ON dump in rtmsg_ifinfo() is thrown when the CAN device is registered due to insufficient skb space, as reported by various users. This patch adds the rtnl_link_ops "get_size" to fix the problem. I think this patch is required for more recent kernels as well, even if no WARN_ON dumps are triggered. Maybe we also need "get_xstats_size" for the CAN xstats. Signed-off-by:
Wolfgang Grandegger <wg@grandegger.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Eric Dumazet authored
bcm_proc_getifname() is called with RTNL and dev_base_lock not held. It calls __dev_get_by_index() without locks, and this is illegal (might crash) Close the race by holding dev_base_lock and copying dev->name in the protected section. Signed-off-by:
Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by:
Oliver Hartkopp <oliver@hartkopp.net> Signed-off-by:
David S. Miller <davem@davemloft.net>
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- 07 Nov, 2009 6 commits
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Martin Michlmayr authored
The hisax ISDN driver fails to build on ARM with CONFIG_HISAX_ELSA: | drivers/built-in.o: In function `modem_set_dial': | drivers/isdn/hisax/elsa_ser.c:535: undefined reference to `__bad_udelay' | drivers/isdn/hisax/elsa_ser.c:544: undefined reference to `__bad_udelay' | drivers/built-in.o: In function `modem_set_init': | drivers/isdn/hisax/elsa_ser.c:486: undefined reference to `__bad_udelay' | [...] According to the comment in arch/arm/include/asm/delay.h, __bad_udelay is specifically designed on ARM to produce a build failure when udelay is called with a value > 2000. Signed-off-by:
Martin Michlmayr <tbm@cyrius.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Herbert Xu authored
RFC 2003 requires the outer header to have DF set if DF is set on the inner header, even when PMTU discovery is off for the tunnel. Our implementation does exactly that. For this to work properly the IPIP gateway also needs to engate in PMTU when the inner DF bit is set. As otherwise the original host would not be able to carry out its PMTU successfully since part of the path is only visible to the gateway. Unfortunately when the tunnel PMTU discovery setting is off, we do not collect the necessary soft state, resulting in blackholes when the original host tries to perform PMTU discovery. This problem is not reproducible on the IPIP gateway itself as the inner packet usually has skb->local_df set. This is not correctly cleared (an unrelated bug) when the packet passes through the tunnel, which allows fragmentation to occur. For hosts behind the IPIP gateway it is readily visible with a simple ping. This patch fixes the problem by performing PMTU discovery for all packets with the inner DF bit set, regardless of the PMTU discovery setting on the tunnel itself. Signed-off-by:
Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Ron Mercer authored
This device requires a fundamental reset when recovering from EEH. Signed-off-by:
Ron Mercer <ron.mercer@qlogic.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Ron Mercer authored
This line was accidentally left out of the previous commit # da039451 ("qlge: Fix firmware mailbox command timeout."). Signed-off-by:
Ron Mercer <ron.mercer@qlogic.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Don Skidmore authored
When ioatdma was loaded we we were unable to transmit traffic. We weren't using the correct registers in ixgbe_update_tx_dca for 82599 systems. Likewise in ixgbe_configure_tx() we weren't disabling the arbiter before modifying MTQC. Signed-off-by:
Don Skidmore <donald.c.skidmore@intel.com> Acked-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>
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Yi Zou authored
When DCB is enabled, the ixgbe_check_tx_hang() should check the corresponding TC's TXOFF in TFCS based on the TC that the tx ring belongs to. Adds a function to map from the tx_ring hw reg_idx to the correspodning TC and read TFCS accordingly. Signed-off-by:
Yi Zou <yi.zou@intel.com> Acked-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>
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