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2010-09-21ath5k: Simplify cw_min/max and AIFS configurationBruno Randolf4-65/+65
Get rid of overly complicated cw_min/max and AIFS configuration: * Validate values in ath5k_hw_set_tx_queueprops(), so we can use them directly without further checks or computation in ath5k_hw_reset_tx_queue(). * Simplifiy by using AR5K_TUNE_AIFS|CWMIN|CWMAX variables directly since we don't support XR or B channels. That way we can also remove AR5K_TXQ_USEDEFAULT and the confusing logic around it. * Update data types: AIFS is u8, CW's are u16. * Remove now unneeded variables in ath5k_hw. Signed-off-by: Bruno Randolf <br1@einfach.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-09-21ath5k: Keep last descriptor in queueBruno Randolf1-32/+32
If we return a TX descriptor to the pool of available descriptors, while a queues TXDP still points to it we could potentially run into all sorts of troube. It has been suggested that there is hardware which can set the descriptors done bit before it reads ds_link and moves on to the next descriptor. While the documentation says this is not true for newer chipsets (the descriptor contents are copied to some internal memory), we don't know about older hardware. To be safe, we always keep the last descriptor in the queue, and avoid dangling TXDP pointers. Unfortunately this does not fully resolve the problem - queues still get stuck! This is similar to what ath9k does. Signed-off-by: Bruno Randolf <br1@einfach.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-09-21ath5k: Count how many times a queue got stuckBruno Randolf3-0/+5
Add a counter to show how many times a queue got stuck in the debugfs queue file. Signed-off-by: Bruno Randolf <br1@einfach.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-09-21ath5k: Add watchdog for stuck TX queuesBruno Randolf3-0/+56
Since we do not know any better solution to the problem that TX queues can get stuck, this adds a timer-based watchdog, which will check for stuck queues and reset the hardware if necessary. Ported from ath9k commit 164ace38536849966ffa377b1b1132993a5a375d. Signed-off-by: Bruno Randolf <br1@einfach.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-09-21ath5k: Move tx frame completion into separate functionBruno Randolf1-50/+57
Clearer separation between queue handling and what we do with completed frames. Signed-off-by: Bruno Randolf <br1@einfach.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-09-21ath5k: Fix TX queues stoppingBruno Randolf1-5/+4
It does not make sense to stop queues for NF calibration. This will not stop transmissions from the card, if there are queued packets. If we run out of TX buffers we need to stop all queues, not only one. Signed-off-by: Bruno Randolf <br1@einfach.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-09-21ath5k: Fix queue debug fileBruno Randolf1-2/+7
Take txq lock in debug file and fix reporting of used buffers. Signed-off-by: Bruno Randolf <br1@einfach.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-09-21ath5k: Use four hardware queuesBruno Randolf2-7/+45
Prepare ath5k for WME by using four hardware queues. The way we set up our queues matches the mac80211 queue priority 1:1, so we don't have to do any mapping for queue numbers. Every queue uses 50 of the total 200 available transmit buffers, so the DMA memory usage does not increase with this patch, but it might be good to fine-tune the number of buffers per queue later (depending on the CPU speed and load, and the speed of the medium access, it might not be big enough). Signed-off-by: Bruno Randolf <br1@einfach.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-09-21ath5k: reorder base.c to remove fwd declsBob Copeland1-898/+764
This change reorganizes the main ath5k file in order to re-group related functions and remove most of the forward declarations (from 61 down to 3). This is, unfortunately, a lot of churn, but there should be no functional changes. Signed-off-by: Bob Copeland <me@bobcopeland.com> Signed-off-by: Bruno Randolf <br1@einfach.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-09-21ath/ath5k/ath9k: Fix crypto capabilities merge issueBruno Randolf3-9/+5
Fixing up a merge issue / concurrent development: Remove unneeded ath_crypt_caps flags, as per "ath9k_hw: remove useless hw capability flags" (364734fafbba0c3133e482db78149b9a823ae7a5), but set the AESCCM flag for ath9k. common ath code still needs a flag for this because there is ath5k hardware which can't do AES in hardware. Signed-off-by: Bruno Randolf <br1@einfach.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-09-21carl9170: update AR9170 phy initvalsChristian Lamparter1-3/+5
This patch is loosely based on an ath9k patch called: "ath9k_hw: sync initvals for ar9001 and ar9002 with Atheros" It includes the following changes/fixes: - AGC setting improvements - timing changes for improved performance Signed-off-by: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-09-21omap: zoom: add mmc3/wl1271 device supportOhad Ben-Cohen1-0/+19
Add MMC3 support on ZOOM, which has the wl1271 device hardwired to. The wl1271 is a 4-wire, 1.8V, embedded SDIO WLAN device with an external IRQ line, and power-controlled by a GPIO-based fixed regulator. Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-09-21omap: zoom: add fixed regulator device for wlanOhad Ben-Cohen1-0/+35
Add a fixed regulator vmmc device to enable power control of the wl1271 wlan device. Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-09-21wl1271: make ref_clock configurable by boardOhad Ben-Cohen6-5/+12
The wl1271 device is using a reference clock that may change between board to board. Make the ref_clock parameter configurable by board settings instead of having a hard coded value in the sources. Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-09-21wl1271: take irq info from private board dataOhad Ben-Cohen1-7/+8
Remove the hard coded irq information, and instead take the irq information from the board's platform data. Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-09-21wl12xx: add platform data passing supportOhad Ben-Cohen4-1/+37
Add a simple mechanism to pass platform data to the SDIO instances of wl12xx. This way there is no confusion over who owns the 'embedded data', typechecking is preserved, and no possibility for the wrong driver to pick up the data. Originally proposed by Russell King. Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-09-21wl1271: propagate set_power's return valueOhad Ben-Cohen5-12/+22
Make it possible for the set power method to indicate a success/failure return value. This is needed to support more complex power on/off operations such as SDIO power manipulations. Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com> Acked-by: Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-09-21wl12xx: make wl12xx.h common to both spi and sdioOhad Ben-Cohen7-7/+8
Move wl12xx.h outside of the spi-specific location, so it can be shared with both spi and sdio solutions. Update all users of spi/wl12xx.h accordingly Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com> Acked-by: Luciano Coelho <luciano.coelho@nokia.com> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-09-21dccp ccid-3: Remove redundant 'options_received' structGerrit Renker2-23/+8
The `options_received' struct is redundant, since it re-duplicates the existing `p' and `x_recv' fields. This patch removes the sub-struct and migrates the format conversion operations to ccid3_hc_tx_parse_options(). Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
2010-09-21dccp tfrc/ccid-3: computing the loss rate from the Loss Event RateGerrit Renker3-5/+19
This adds a function to take care of the following, separate cases occurring in the computation of the Loss Rate p: * 1/(2^32-1) is mapped into 0% as per RFC 4342, 8.5; * 1/0 is mapped into 100%, the maximum; * to avoid that p = 1/x is rounded down to 0 when x is very large, since this means accidentally re-entering slow-start indicated by p == 0, the minimum resolution value of p is now returned instead; * a bug in ccid3_hc_rx_getsockopt is fixed: 1/0 was mapped into ~0U. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
2010-09-21dccp ccid-3: remove dead statesGerrit Renker2-30/+9
This patch is thanks to an investigation by Leandro Sales de Melo and his colleagues. They worked out two state diagrams which highlight the fact that the xxx_TERM states in CCID-3/4 are in fact not necessary. And this can be confirmed by in turn looking at the code: the xxx_TERM states are only ever set in ccid3_hc_{rx,tx}_exit(): when CCID-3 sets the state to xxx_TERM, it is at a time where no more processing should be going on, hence it is not necessary to introduce a dedicated exit state - this is already implied by unloading the CCID. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
2010-09-21dccp: Replace magic CCID-specific numbers by symbolic constantsGerrit Renker2-12/+7
The constants DCCPO_{MIN,MAX}_CCID_SPECIFIC are nowhere used in the code, but instead for the CCID-specific options numbers are used. This patch unifies the use of CCID-specific option numbers, by adding symbolic names reflecting the definitions in RFC 4340, 10.3. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
2010-09-21dccp: Add packet type information to CCID-specific option parsingGerrit Renker3-41/+35
This 1. adds packet type information to ccid_hc_{rx,tx}_parse_options(). This is necessary, since table 3 in RFC 4340, 5.8 leaves it to the CCIDs to state which options may (not) appear on what packet type. 2. adds such a check for CCID-3's {Loss Event, Receive} Rate as specified in RFC 4340 8.3 ("Receive Rate options MUST NOT be sent on DCCP-Data packets") and 8.5 ("Loss Event Rate options MUST NOT be sent on DCCP-Data packets"). 3. removes an unused argument `idx' from ccid_hc_{rx,tx}_parse_options(). This is also no longer necessary, since the CCID-specific option-parsing routines are passed every single parameter of the type-length-value option encoding. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
2010-09-20qlcnic: dont set skb->truesizeEric Dumazet1-6/+0
skb->truesize is set in core network. Dont change it unless dealing with fragments. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-20net: rx_dropped accountingEric Dumazet7-8/+28
Under load, netif_rx() can drop incoming packets but administrators dont have a chance to spot which device needs some tuning (RPS activation for example) This patch adds rx_dropped accounting in vlans and tunnels. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-19bridge : Sanitize skb before it enters the IP stackBandan Das2-30/+80
Related dicussion here : http://lkml.org/lkml/2010/9/3/16 Introduce a function br_parse_ip_options that will audit the skb and possibly refill IP options before a packet enters the IP stack. If no options are present, the function will zero out the skb cb area so that it is not misinterpreted as options by some unsuspecting IP layer routine. If packet consistency fails, drop it. Signed-off-by: Bandan Das <bandan.das@stratus.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-19rds: spin_lock_irq() is not nestableDan Carpenter2-4/+4
This is basically just a cleanup. IRQs were disabled on the previous line so we don't need to do it again here. In the current code IRQs would get turned on one line earlier than intended. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-19rds: double unlock in rds_ib_cm_handle_connect()Dan Carpenter1-1/+0
We unlock after we goto out. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-19rds: signedness bugDan Carpenter1-1/+1
In the original code if the copy_from_user() fails in rds_rdma_pages() then the error handling fails and we get a stack trace from kmalloc(). Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-19bna: off by oneDan Carpenter1-1/+1
The mod->mbhdlr[] array has BFI_MC_MAX elements. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-19net: reorder struct netdev_hw_addrEric Dumazet1-1/+1
Move 'synced' and 'global_use' fields before 'refcount', to shrinks struct netdev_hw_addr by 8 bytes (on 64bit arches). Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-17bonding: enable gro by defaultEric Dumazet1-0/+4
gro can be enabled by default on bonding devices. Actual support depends on the lower devices. One can still use ethtool to switch off GRO if needed. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-17ethtool: Add comments for valid use of flow typesBen Hutchings1-15/+15
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-17ethtool, ixgbe: Move RX n-tuple mask fixup to ethtoolBen Hutchings3-45/+51
The ethtool utility does not set masks for flow parameters that are not specified, so if both value and mask are 0 then this must be treated as equivalent to a mask with all bits set. Currently that is done in the only driver that implements RX n-tuple filtering, ixgbe. Move it to the ethtool core. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-17netns: keep vlan slaves on master netns moveDavid Lamparter3-0/+12
previously, if a vlan master device was moved from one network namespace to another, all 802.1q and macvlan slaves were deleted. we can use dev->reg_state to figure out whether dev_change_net_namespace is happening, since that won't set dev->reg_state NETREG_UNREGISTERING. so, this changes 8021q and macvlan to ignore NETDEV_UNREGISTER when reg_state is not NETREG_UNREGISTERING. Signed-off-by: David Lamparter <equinox@diac24.net> Reviewed-by: "Eric W. Biederman" <ebiederm@xmission.com> Acked-by: Daniel Lezcano <daniel.lezcano@free.fr> Acked-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-17stmmac: use one memset() to reset TDES01Giuseppe CAVALLARO2-17/+2
Use one memset() to reset all TDES01 fields instead of one by one to reduce number of instructions. Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-17stmmac: prevent dma init stuck in case of failures.Giuseppe CAVALLARO2-2/+18
Add a limit when perform the DMA reset procedure so, in case of problems (i.e. PHY reset failed) the Kernel won't hang on the stmmac DMA initialisation blocking the Kernels execution. Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-17stmmac: consolidate and tidy-up the COE supportGiuseppe CAVALLARO8-39/+60
The first version of the driver had hard-coded the logic for handling the checksum offloading. This was designed according to the chips included in the STM platforms where: o MAC10/100 supports no COE at all. o GMAC fully supports RX/TX COE. This is not good for other chip configurations where, for example, the mac10/100 supports the tx csum in HW or when the GMAC has no IPC. Thanks to Johannes Stezenbach; he provided me a first draft of this patch that only reviewed the IPC for the GMAC devices. This patch also helps on SPEAr platforms where the MAC10/100 can perform the TX csum in HW. Thanks to Deepak SIKRI for his support on this. In the end, GMAC devices for STM platforms have a bugged Jumbo frame support that needs to have the Tx COE disabled for oversized frames (due to limited buffer sizes). This information is also passed through the driver's platform structure. Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: Johannes Stezenbach <js@sig21.net> Signed-off-by: Deepak SIKRI <deepak.sikri@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-17stmmac: add CSR Clock range selectionGiuseppe CAVALLARO4-2/+6
This patch adds the CSR Clock range selection. Original patch from Johannes Stezenbach fixed the CSR in the stmmac_mdio. We agreed to provide this through the platform instead of. Also thanks to Johannes for having tested it on ARM. Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: Johannes Stezenbach <js@sig21.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-17iwlagn: initialize both tx/rx prio boost parametersWey-Yi Guy1-0/+2
For config bt command, initialize both tx_prio_boost and rx_prio_boost to "0". Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2010-09-17iwlagn: minor coex API changesWey-Yi Guy1-1/+6
Adding two new parameters in config bt API. these two parameters use the 3 reserved bytes, so there is no structure size changes. Make sure set both parameters to "zero" in order to preserve previous behavior. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2010-09-17iwlagn: correct naming for failure reply tx statusWey-Yi Guy4-14/+9
For failure tx status 0x90 and 0x91, give the correct name to reflect the errors. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2010-09-17iwlwifi: corrections to debug output of ucode statisticsJay Sternberg1-222/+135
remove duplicate header and clean up format so it is defined once making changes consolicated ensuring consistancy of output. no function change to date displayed. Signed-off-by: Jay Sternberg <jay.e.sternberg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2010-09-17iwlagn: adding aggregated frame failure status to debugfsWey-Yi Guy2-2/+54
Addition to standard tx frame failure report, adding aggregated frame failure report to debugfs Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2010-09-17iwlagn: keep track of aggregated tx frames failure counterWey-Yi Guy2-0/+68
When uCode completed the aggregated frames transmission attempt, it will send tx command response with aggregated frame status. Keep track of the failure counter which help indicate any transmission error condition. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2010-09-17iwlagn: log aggregation tx command statusWey-Yi Guy2-0/+35
For aggregated frames with block ack, different status flag will be used as part of tx command response. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2010-09-17iwlagn: keep track of failure tx statusWey-Yi Guy8-0/+126
Tx command response sent to host by uCode after completed the transmission attempt. The status parameter indicates whether the transmission was successful, or else why if failed. Here we keep the counters to help understand the different failure cases. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2010-09-17iwlagn: keep track fail tx reason counterWey-Yi Guy2-0/+108
If uCode fail to transmit frame, it will send reply tx back to driver with failure status; keep the counters of each failure cases for debugging. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2010-09-17iwlagn: add bt_status_read for 5150Wey-Yi Guy1-0/+1
Include bt_status_read function pointer for 5150 device Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2010-09-17ethtool: change ethtool_set_gro() to use ethtool_op_get_rx_csumEric Dumazet1-2/+5
To be able to switch on GRO on a device, ethtool_set_gro() checks this device provides a get_rx_csum() method. Some devices dont provide this method, while they do support RX checksumming. This patch allows bonding to support GRO : ethtool -K bond0 gro on Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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