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2009-10-06gigaset: allow building without I4LTilman Schmidt
Add a dummy LL interface to the Gigaset driver so that it can be built and, in a limited way, used without the ISDN4Linux subsystem. Impact: new configuration alternative Signed-off-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06gigaset: prepare for CAPI implementationTilman Schmidt
Reorganize the code of the Gigaset driver, moving all isdn4linux dependencies to the source file i4l.c so that it can be replaced by a file capi.c interfacing to Kernel CAPI instead. Impact: refactoring, no functional change Signed-off-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
2009-10-06gigaset: add kerneldoc commentsTilman Schmidt
Add kerneldoc comments to some functions in the Gigaset driver. Impact: documentation Signed-off-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06gigaset: correct debugging output selectionTilman Schmidt
Dump payload data consistently only when DEBUG_STREAM_DUMP debug bit is set. Impact: debugging aid Signed-off-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06gigaset: improve error recoveryTilman Schmidt
When the Gigaset base stops responding, try resetting the USB connection to recover. Impact: error handling improvement Signed-off-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06gigaset: fix device ERROR response handlingTilman Schmidt
Clear out pending command that got rejected with 'ERROR' response. This fixes the bug where unloading the driver module would hang with the message: "gigaset: not searching scheduled commands: busy" after a device communication error. Impact: error handling bugfix Signed-off-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06gigaset: announce if built with debuggingTilman Schmidt
Mention in the driver load announcement whether the driver was built with debugging messages enabled, to facilitate support. Impact: informational message Signed-off-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06gigaset: handle isoc frame errors more gracefullyTilman Schmidt
Don't drop the remainder of an URB if an isochronous frame has an error. Impact: error handling improvement Signed-off-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06gigaset: linearize skbTilman Schmidt
The code of the Gigaset driver assumes that sk_buff-s coming from the ISDN4Linux subsystem are always linear. Explicitly calling skb_linearize() is cheap if they are, but much more robust in case they ever aren't. Impact: robustness improvement Signed-off-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06gigaset: fix reject/hangup handlingTilman Schmidt
Signal D channel disconnect in a few cases where it was missed, including when an incoming call is disconnected before it was accepted. Impact: error handling improvement Signed-off-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06isdn: make capidrv module parameter "debugmode" writeableTilman Schmidt
Being able to change the debugmode module parameter of capidrv on the fly is quite useful for debugging and doesn't do any harm. Signed-off-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06isdn: avoid races in capidrvTilman Schmidt
In several places, capidrv sends a CAPI message to the ISDN device and then updates its internal state accordingly. If the response message from the device arrives before the state is updated, it may be rejected or processed incorrectly. Avoid these races by updating the state before emitting the message. Impact: bugfix Signed-off-by: Tilman Schmidt <tilman@imap.cc> Acked-by: Karsten Keil <keil@b1-systems.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06isdn: accept CAPI Informational Info values as successTilman Schmidt
Info values in the 0x00xx range are defined in the CAPI standard as "Informational, message processed successfully". Therefore a CONNECT_B3_CONF message with an Info value in that range should open an NCCI just as with Info==0. Impact: minor bugfix Signed-off-by: Tilman Schmidt <tilman@imap.cc> Acked-by: Karsten Keil <keil@b1-systems.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06Documentation: expand isdn/INTERFACE.CAPI documentTilman Schmidt
- Note that send_message() may be called in interrupt context. - Describe the storage of CAPI messages and payload data in SKBs. - Add more details to the description of the _cmsg structure. - Describe kernelcapi debugging output. Impact: documentation Signed-off-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06be2net: Bug fix to properly update ethtool tx-checksumming after ethtool -K ↵Ajit Khaparde
<ifname> tx off This is a fix for a bug which was a result of wrong use of checksum offload flag. The status of tx-checksumming was not changed from on to off after a 'ethtool -K <ifname> tx off' operation. Use the proper checksum offload flag NETIF_F_HW_CSUM instead of NETIF_F_IP_CSUM and NETIF_F_IPV6_CSUM. Patch is against net-2.6 tree. Signed-off-by: Ajit Khaparde <ajitk@serverengines.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06be2net: Fix a typo in be_cmds.hAjit Khaparde
MCC_STATUS_NOT_SUPPORTED should be decimal 66 not hex 66. This patch fixes this typo. Patch against net-2.6 tree. Signed-off-by: Ajit Khaparde <ajitk@serverengines.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06be2net: Bug Fix while accounting of multicast frames during netdev stats updateAjit Khaparde
While updating the statistics to be passed via the get_stats, tx multicast frames were being accounted instead of rx multicast frames. This patch fixes the bug. This patch is against the net-2.6 tree. Signed-off-by: Ajit Khaparde <ajitk@serverengines.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06qlge: Fix lock/mutex warnings.Ron Mercer
Get rid of spinlock and private mutex usage for exclusive access to the HW semaphore register. rtnl_lock already creates exclusive access to this register in all driver API. Add rtnl to firmware worker threads that also use the HW semaphore register. Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06qlge: Fix queueing of firmware handler in ISR.Ron Mercer
Check that we are not already polling firmware events before we queue the firmware event worker, then disable firmware interrupts. Otherwise we can queue the same event multiple times. Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06qlge: Fix some bit definitions for reset register.Ron Mercer
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06net: speedup sk_wake_async()Eric Dumazet
An incoming datagram must bring into cpu cache *lot* of cache lines, in particular : (other parts omitted (hash chains, ip route cache...)) On 32bit arches : offsetof(struct sock, sk_rcvbuf) =0x30 (read) offsetof(struct sock, sk_lock) =0x34 (rw) offsetof(struct sock, sk_sleep) =0x50 (read) offsetof(struct sock, sk_rmem_alloc) =0x64 (rw) offsetof(struct sock, sk_receive_queue)=0x74 (rw) offsetof(struct sock, sk_forward_alloc)=0x98 (rw) offsetof(struct sock, sk_callback_lock)=0xcc (rw) offsetof(struct sock, sk_drops) =0xd8 (read if we add dropcount support, rw if frame dropped) offsetof(struct sock, sk_filter) =0xf8 (read) offsetof(struct sock, sk_socket) =0x138 (read) offsetof(struct sock, sk_data_ready) =0x15c (read) We can avoid sk->sk_socket and socket->fasync_list referencing on sockets with no fasync() structures. (socket->fasync_list ptr is probably already in cache because it shares a cache line with socket->wait, ie location pointed by sk->sk_sleep) This avoids one cache line load per incoming packet for common cases (no fasync()) We can leave (or even move in a future patch) sk->sk_socket in a cold location Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06vxge: Version update.Sreenivasa Honnur
- Version Update. Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@neterion.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06vxge: Allow multiple functions with INTA.Sreenivasa Honnur
- Allow multiple functions with INTA. - Removed the condition to allow only one vpath with INTA - Ensure that the alarm bit in titan_mask_all_int register is cleared when driver exits. Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@neterion.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06vxge: Check if FCS stripping is disabled by the firmware.Sreenivasa Honnur
- Added a function to check if FCS stripping is disabled by the firmware, if it is not disabled fail driver load. - By default FCS stripping is disabled by the firmware. With this assumption driver decrements the indicated packet length by 4 bytes(FCS length). - This patch ensures that FCS stripping is disabled during driver load time. Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@neterion.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06vxge: Removed unused functions.Sreenivasa Honnur
- Removed the wrr_rebalance function - This feature is not supported by the ASIC, hence removing the related code. Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@neterion.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06vxge: Fixed crash in PAE system due to wrong typecasting.Sreenivasa Honnur
- Fix a crash in PAE system due to wrong typecasting. - On PAE system size_t is unsigned int which is 32bit. Avoid casting 64 bit address to 32 bit Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@neterion.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06vxge: Removed accessing non-supported registers.Sreenivasa Honnur
- Removed accessing GENDMA_INT register - This allowed the firmware to perform a generic DMA write to host memory. This feature is not supported by the ASIC, this patch removes access to GENDMA_INT register. Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@neterion.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06vxge: Update driver_config->vpath_per_dev for each function in probe.Sreenivasa Honnur
- Update driver_config->vpath_per_dev for each function in probe. - vpath_per_device specifies number of vpaths supported for each function/device. The current code was updating vpath_per_device only for physical device, however this has to be updated for each function also in case of a MF(Multi function) device. Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@neterion.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06vxge: Modify __vxge_hw_device_is_privilaged() to not assume function-0 as ↵Sreenivasa Honnur
the privileged function: Resubmit#1 - vxge driver was assuming function-0 is always the privilaged function. Now that restriction has been removed any function can act as a privilaged function. - This patch modifies the __vxge_hw_device_is_privilaged routine to not assume function-0 as the privileged function. - Recreated the patch by incorporating review comments from Dave Miller to remove double slash in path names. Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@neterion.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06igb: add flushes between RAR writes when setting mac addressAlexander Duyck
There are some switches that will do write combining when they see two sequential regions written. In order to avoid any possible write combining issues it is necessary to add a flush after writing each piece of a rar register. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06igb: add additional error handling to the phy codeAlexander Duyck
This update adds additional exception handling to the phy code to handle situations where it may be called incorrectly. In addition it adds some bounds checking to the cable length checks to prevent an array overrun in the event that the hardware returned a different value than expected. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06igb: add code to retry a phy read in the event of failure on link checkAlexander Duyck
This patch adds a retry to phy reads in the event of failure. The original code broke out of the loop on failure and this is a mistake as we should be trying to do the read twice. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06igb: move the generic copper link setup code into e1000_phy.cAlexander Duyck
This patch moves the generic portion of the copper link setup into a seperate function in e1000_phy.c. This helps to reduce the size of copper_link_setup_82575 and make it a bit more readable. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06igb: remove microwire support from igbAlexander Duyck
igb doesn't have any devices that use a microwire interface for NVM. As such the code related to this can be removed. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06igb: change how we handle alternate mac addressesAlexander Duyck
This patch allows us to treat the alternate mac address as though it is the physical address on the adapter. This is accomplished by letting the alt_mac_address function to only fail on an NVM error. If no errors occur and the alternate mac address is not present then RAR0 is read as the default mac address. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06igb: fix a few items where weren't correctly setup for mbx timeoutAlexander Duyck
The mailbox timeout routines need to be updated as they were not correctly handling the case of a mailbox timeout and could cause issues with long delays when used. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06igb: add function to handle mailbox lockAlexander Duyck
Both the read and write mailbox functions need to acquire the mailbox lock. Since that is the case we might as well combine both of the procedures into one function so it is easier to maintain. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06igb: add support for 82576NS SerDes adapterAlexander Duyck
This patch adds the device ID necessary to support the 82576NS SerDes adapter. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06igb: make use of the uta to allow for promiscous mode filterAlexander Duyck
In order to support functions such as vlan tag stripping when SR-IOV is enabled any given packet must match at least one filter. However in the case of promiscous mode being enabled on the PF the traffic routed to it may not match any filters and is just sent to the PF by default. In order to make certain that this traffic is processed we can set all bits in the UTA registers to create a pseudo promiscous mode filter that accepts all packets. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06igb: add combined function for setting rar and pool bitsAlexander Duyck
This patch adds igb_rar_qsel which sets the mac address and pool bits for a given mac address in the receive address register table. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06igb: add locking to reads of the i2c interfaceAlexander Duyck
The current implementation of sgmii support isn't correctly locking the interfaces for reads/writes. This change pulls the read/write functionality out of 82575.c and moves it to phy.c. In addition it replaces the implementation in 82575.c with one that uses locking around the relocated i2c interface calls. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06igb: update the approach taken to acquiring and releasing the phy lockAlexander Duyck
The current approach is just using a ?: type mechanism to set the phy locking bit. This if fine for now but limits us to only 2. Switch to a nested if statement for future compatiblity with more than 2 phys. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06igb: update comments for serdes config and update to handle duplexAlexander Duyck
This update corrects the driver so that it handles duplex for serdes links correctly instead of just forcing full duplex always. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06igb: remove unused temp variable from stats clearing pathAlexander Duyck
There is a temp variable in the stats clearing path that isn't needed since the results from the stats read can be immediately discared. Since it isn't needed we might as well just drop it from the function call. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-06connector: Fix incompatible pointer type warningStephen Boyd
Commit 7069331 (connector: Provide the sender's credentials to the callback, 2009-10-02) changed callbacks to take two arguments but missed this one. drivers/connector/cn_proc.c: In function ‘cn_proc_init’: drivers/connector/cn_proc.c:263: warning: passing argument 3 of ‘cn_add_callback’ from incompatible pointer type Signed-off-by: Stephen Boyd <bebarino@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-05wext: let get_wireless_stats() sleepJohannes Berg
A number of drivers (recently including cfg80211-based ones) assume that all wireless handlers, including statistics, can sleep and they often also implicitly assume that the rtnl is held around their invocation. This is almost always true now except when reading from sysfs: BUG: sleeping function called from invalid context at kernel/mutex.c:280 in_atomic(): 1, irqs_disabled(): 0, pid: 10450, name: head 2 locks held by head/10450: #0: (&buffer->mutex){+.+.+.}, at: [<c10ceb99>] sysfs_read_file+0x24/0xf4 #1: (dev_base_lock){++.?..}, at: [<c12844ee>] wireless_show+0x1a/0x4c Pid: 10450, comm: head Not tainted 2.6.32-rc3 #1 Call Trace: [<c102301c>] __might_sleep+0xf0/0xf7 [<c1324355>] mutex_lock_nested+0x1a/0x33 [<f8cea53b>] wdev_lock+0xd/0xf [cfg80211] [<f8cea58f>] cfg80211_wireless_stats+0x45/0x12d [cfg80211] [<c13118d6>] get_wireless_stats+0x16/0x1c [<c12844fe>] wireless_show+0x2a/0x4c Fix this by using the rtnl instead of dev_base_lock. Reported-by: Miles Lane <miles.lane@gmail.com> Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-05be2net: Fix a bug in preparation of mcc wrb which was causing flash ↵Ajit Khaparde
operation to fail This patch fixes a bug that got introduced in commit 76998bc7. During preparation of mcc wrb, req was being wrongly overwritten and the flash operation was failing. Signed-off-by: Ajit Khaparde <ajitk@serverengines.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-05net: export device speed and duplex via sysfsAndy Gospodarek
This patch exports the link-speed (in Mbps) and duplex of an interface via sysfs. This eliminates the need to use ethtool just to check the link-speed. Not requiring 'ethtool' and not relying on the SIOCETHTOOL ioctl should be helpful in an embedded environment where space is at a premium as well. NOTE: This patch also intentionally allows non-root users to check the link speed and duplex -- something not possible with ethtool. Here's some sample output: # cat /sys/class/net/eth0/speed 100 # cat /sys/class/net/eth0/duplex half # ethtool eth0 Settings for eth0: Supported ports: [ TP ] Supported link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full 1000baseT/Half 1000baseT/Full Supports auto-negotiation: Yes Advertised link modes: Not reported Advertised auto-negotiation: No Speed: 100Mb/s Duplex: Half Port: Twisted Pair PHYAD: 1 Transceiver: internal Auto-negotiation: off Supports Wake-on: g Wake-on: g Current message level: 0x000000ff (255) Link detected: yes Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-05cfg80211: assign device type in netdev notifier callbackMarcel Holtmann
Instead of having to modify every non-mac80211 for device type assignment, do this inside the netdev notifier callback of cfg80211. So all drivers that integrate with cfg80211 will export a proper device type. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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