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* mac80211/drivers: rewrite the rate control APIJohannes Berg2008-10-3147-685/+889
| | | | | | | | | | | | So after the previous changes we were still unhappy with how convoluted the API is and decided to make things simpler for everybody. This completely changes the rate control API, now taking into account 802.11n with MCS rates and more control, most drivers don't support that though. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: add might_sleep to hw_configJohannes Berg2008-10-311-0/+2
| | | | | | | Just to catch bugs when changing mac80211. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* airo: Kill directly reference of netdev->privWang Chen2008-10-311-85/+86
| | | | | | | | | | | | | | | | | | | | | | | | | | | | We have some reasons to kill netdev->priv: 1. netdev->priv is equal to netdev_priv(). 2. netdev_priv() wraps the calculation of netdev->priv's offset, obviously netdev_priv() is more flexible than netdev->priv. But we cann't kill netdev->priv, because so many drivers reference to it directly. OK, becasue Dave S. Miller said, "every direct netdev->priv usage is a bug", and I want to kill netdev->priv later, I decided to convert all the direct reference of netdev->priv first. In this driver, I don't simply use netdev_priv() to replace netdev->priv. The reason is: Pointer netdev->priv was changed in this driver, but it shouldn't. Because the memory was allocated when alloc_netdev() and netdev->priv should always point to that memory. So I use netdev->ml_priv to replace netdev->priv. After replacing, both ai and ai->wifidev->ml_priv point to the same memory. Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com> Cc: John W. Linville <linville@tuxdriver.com> Cc: Dan Williams <dcbw@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath5k: fix mesh point operationAndrey Yurovsky2008-10-311-0/+6
| | | | | | | | | | | | This patch fixes mesh point operation (thanks to YanBo for pointing out the problem): make mesh point interfaces start beaconing when they come up and configure the RX filter in mesh mode so that mesh beacons and action frames are received. Add mesh point to the check in ath5k_add_interface. Tested with multiple AR5211 cards. Signed-off-by: Andrey Yurovsky <andrey@cozybit.com> Acked-by: Nick Kossifidis <mickflemm@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath5k: correct ath5k signal qualityLuis R. Rodriguez2008-10-311-1/+11
| | | | | | | | | | | This adjusts ath5k's signal quality reporting taking into consideration received beacons at an RSSI of 35 should indicate you can use of 54 Mbps on a single stream card (all ath5k cards) reliably. Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Acked-by: Nick Kossifidis <mickflemm@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: correct signal quality reportLuis R. Rodriguez2008-10-311-2/+9
| | | | | | | | | | | This adjusts ath9k's signal quality reporting taking into consideration received beacons at an RSSI of 45 should indicate you can use of MCS 15 rate (144 Mbps) reliably on dual stream card. Keep in mind mac80211 does not yet have aggregation fixed but this should still provide more accurate results. Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath5k/ath9k: correct signal qualityLuis R. Rodriguez2008-10-311-1/+1
| | | | | | | | Now that we officially are supporting ath5k I can do this at work hours. Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* rtl8187: add short slot handling for 8187BHerton Ronaldo Krzesinski2008-10-312-12/+41
| | | | | | | | | | | | | | | | | | | | | | This change adds short slot handling for 8187B variant of rtl8187 chips. Some things to note about changes done: * Values used are chosen to met 802.11-2007 spec. This raised a question about SIFS value used with 8187L: 0x22 (34) doesn't match any spec value. For now just don't change 8187L, but is something to be looked at. * On 8187B, the location of EIFS register is at the same place as BRSR+1 of struct rtl818x_csr. Unfortunately there is no clean way to accomodate 8187B differences currently, just use address of BRSR+1 and comment about it. The same thing happens for Ack timeout register, that is on CARRIER_SENSE_COUNTER location of 8187L. The eifs and ack timeout values are in units of 4us. All these registers information was gathered from references being the vendor gpl driver and 8180 datasheet, unfortunately there is no information about this on 8187B datasheet. Also the ack timeout value was inspired by the same calculation as done on rt2x00. Signed-off-by: Herton Ronaldo Krzesinski <herton@mandriva.com.br> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* rtl8187: adapt for deprecated IEEE80211_CONF_SHORT_SLOT_TIME flagHerton Ronaldo Krzesinski2008-10-311-16/+30
| | | | | | | | | This updates 8187L handling for short slot after "mac80211: fix short slot handling". For 8187B, there was no handling done for short slot timing so nothing done, support for it will come in a following patch. Signed-off-by: Herton Ronaldo Krzesinski <herton@mandriva.com.br> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* Ath5k: add AP modeJiri Slaby2008-10-311-25/+17
| | | | | | | | | | | | | | | | | | | Add support for AP mode. This involves: - enablement in ath5k_beacon_config -- initialize beacon timer - add AP to the supported modes in ath5k_add_interface - handle beacon change even for AP in ath5k_config_interface - remove useless test for IBSS in ath5k_beacon_update Note that it doesn't enable the AP mode for the driver. It must be enabled by NL80211_IFTYPE_AP bit added to interface_modes. v2: Fixed opmode constant (IEEE80211_ to NL80211_) Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Nick Kossifidis <mickflemm@gmail.com> Cc: Luis R. Rodriguez <mcgrof@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* p54/rtl8187: fix up the seqno patchJohannes Berg2008-10-312-2/+0
| | | | | | | | Sorry about that, for some reason I didn't notice that I'd left some unused variables in there. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: rewrite HT handlingJohannes Berg2008-10-3115-274/+260
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | The HT handling has the following deficiencies, which I've (partially) fixed: * it always uses the AP info even if there is no AP, hence has no chance of working as an AP * it pretends to be HW config, but really is per-BSS * channel sanity checking is left to the drivers * it generally lets the driver control too much HT enabling is still wrong with this patch if you have more than one virtual STA mode interface, but that never happens currently. Once WDS, IBSS or AP/VLAN gets HT capabilities, it will also be wrong, see the comment in ieee80211_enable_ht(). Additionally, this fixes a number of bugs: * mac80211: ieee80211_set_disassoc doesn't notify the driver any more since the refactoring * iwl-agn-rs: always uses the HT capabilities from the wrong stuff mac80211 gives it rather than the actual peer STA * ath9k: a number of bugs resulting from the broken HT API I'm not entirely happy with putting the HT capabilities into struct ieee80211_sta as restricted to our own HT TX capabilities, but I see no cleaner solution for now. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: move bss_conf into vifJohannes Berg2008-10-319-38/+38
| | | | | | | | | | Move bss_conf into the vif struct so that drivers can access it during ->tx without having to store it in the private data or similar. No driver updates because this is only for when they want to start using it. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: make retry limits part of hw configJohannes Berg2008-10-3115-107/+89
| | | | | | | | Instead of having a separate callback, use the HW config callback with a new flag to change retry limits. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* iwl3945: fix station stuff in RC algorithmJohannes Berg2008-10-311-4/+3
| | | | | | | | Probably bugs I added. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Acked-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* nl80211: export HT capabilitiesJohannes Berg2008-10-312-0/+25
| | | | | | | This exports the local HT capabilities in nl80211. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: provide sequence numbersJohannes Berg2008-10-316-29/+21
| | | | | | | | | | | | | | | I've come to think that not providing sequence numbers for the normal STA mode case was a mistake, at least two drivers now had to implement code they wouldn't otherwise need, and I believe at76_usb and adm8211 might be broken. This patch makes mac80211 assign a sequence number to all those frames that need one except beacons. That means that if a driver only implements modes that do not do beaconing it need not worry about the sequence number. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* p54: Move rx_mtu to struct bootrec_descLarry Finger2008-10-312-2/+3
| | | | | | | | | The patch entitled "[PATCH] p54: Fix sparse warnings" added the __le16 variable rx_mtu to struct bootrec, but it could equally well be placed in the struct bootrec_desc, which overlays the 'data' section of bootrec. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* rfkill: rate-limit rfkill-input workqueue usage (v3)Henrique de Moraes Holschuh2008-10-311-8/+41
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Limit the number of "expensive" rfkill workqueue operations per second, in order to not hog system resources too much when faced with a rogue source of rfkill input events. The old rfkill-input code (before it was refactored) had such a limit in place. It used to drop new events that were past the rate limit. This behaviour was not implemented as an anti-DoS measure, but rather as an attempt to work around deficiencies in input device drivers which would issue multiple KEY_FOO events too soon for a given key FOO (i.e. ones that do not implement mechanical debouncing properly). However, we can't really expect such issues to be worked around by every input handler out there, and also by every userspace client of input devices. It is the input device driver's responsability to do debouncing instead of spamming the input layer with bogus events. The new limiter code is focused only on anti-DoS behaviour, and tries to not lose events (instead, it coalesces them when possible). The transmitters are updated once every 200ms, maximum. Care is taken not to delay a request to _enter_ rfkill transmitter Emergency Power Off (EPO) mode. If mistriggered (e.g. by a jiffies counter wrap), the code delays processing *once* by 200ms. Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Cc: Ivo van Doorn <IvDoorn@gmail.com> Cc: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* rfkill: honour EPO state when resuming a rfkill controllerHenrique de Moraes Holschuh2008-10-311-2/+11
| | | | | | | | | | | | | rfkill_resume() would always restore the rfkill controller state to its pre-suspend state. Now that we know when we are under EPO, kick the rfkill controller to SOFT_BLOCKED state instead of to its pre-suspend state when it is resumed while EPO mode is active. Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Cc: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* rfkill: add master_switch_mode and EPO lock to rfkill and rfkill-inputHenrique de Moraes Holschuh2008-10-314-87/+287
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add of software-based sanity to rfkill and rfkill-input so that it can reproduce what hardware-based EPO switches do, blocking all transmitters and locking down any further attempts to unblock them until the switch is deactivated. rfkill-input is responsible for issuing the EPO control requests, like before. While an rfkill EPO is active, all transmitters are locked to one of the BLOCKED states and all attempts to change that through the rfkill API (userspace and kernel) will be either ignored or return -EPERM errors. The lock will be released upon receipt of EV_SW SW_RFKILL_ALL ON by rfkill-input, or should modular rfkill-input be unloaded. This makes rfkill and rfkill-input extend the operation of an existing wireless master kill switch to all wireless devices in the system, even those that are not under hardware or firmware control. Since the above is the expected operational behavior for the master rfkill switch, the EPO lock functionality is not optional. Also, extend rfkill-input to allow for three different behaviors when it receives an EV_SW SW_RFKILL_ALL ON input event. The user can set which behavior he wants through the master_switch_mode parameter: master_switch_mode = 0: EV_SW SW_RFKILL_ALL ON just unlocks rfkill controller state changes (so that the rfkill userspace and kernel APIs can now be used to change rfkill controller states again), but doesn't change any of their states (so they will all remain blocked). This is the safest mode of operation, as it requires explicit operator action to re-enable a transmitter. master_switch_mode = 1: EV_SW SW_RFKILL_ALL ON causes rfkill-input to attempt to restore the system to the state before the last EV_SW SW_RFKILL_ALL OFF event, or to the default global states if no EV_SW SW_RFKILL_ALL OFF ever happened. This is the recommended mode of operation for laptops. master_switch_mode = 2: tries to unblock all rfkill controllers (i.e. enable all transmitters) when an EV_SW SW_RFKILL_ALL ON event is received. This is the default mode of operation, as it mimics the previous behavior of rfkill-input. In order to implement these features in a clean way, the entire event handling of rfkill-input was refactored into a single worker function. Protection against input event DoS (repeatedly firing rfkill events for rfkill-input to process) was removed during the code refactoring. It will be added back in a future patch. Note that with these changes, rfkill-input doesn't need to explicitly handle any radio types for which KEY_<radio type> or SW_<radio type> events do not exist yet. Code to handle EV_SW SW_{WLAN,WWAN,BLUETOOTH,WIMAX,...} was added as it might be needed in the future (and its implementation is not that obvious), but is currently #ifdef'd out to avoid wasting resources. Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Cc: Ivo van Doorn <IvDoorn@gmail.com> Cc: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* rfkill: export global states to rfkill-inputHenrique de Moraes Holschuh2008-10-312-0/+15
| | | | | | | | | Export the the global switch states to rfkill-input. This is needed to properly implement KEY_* handling without disregarding the initial state. Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Cc: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* rfkill: use killable locks instead of interruptibleHenrique de Moraes Holschuh2008-10-311-3/+4
| | | | | | | | | | | | Apparently, many applications don't expect to get EAGAIN from fd read/write operations, since POSIX doesn't mandate it. Use mutex_lock_killable instead of mutex_lock_interruptible, which won't cause issues. Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Cc: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: introduce hw config change flagsJohannes Berg2008-10-3124-60/+116
| | | | | | | | | | | | | | This makes mac80211 notify the driver which configuration actually changed, e.g. channel etc. No driver changes, this is just plumbing, driver authors are expected to act on this if they want to. Also remove the HW CONFIG debug printk, it's incorrect, often we configure something else. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: kill hw.conf.antenna_sel_{rx,tx}Johannes Berg2008-10-319-77/+13
| | | | | | | Never actually used. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* 802.11: clean up/fix HT supportJohannes Berg2008-10-3123-319/+386
| | | | | | | | | | | | | | | | | | | | This patch cleans up a number of things: * the unusable definition of the HT capabilities/HT information information elements * variable names that are hard to understand * mac80211: move ieee80211_handle_ht to ht.c and remove the unused enable_ht parameter * mac80211: fix bug with MCS rate 32 in ieee80211_handle_ht * mac80211: fix bug with casting the result of ieee80211_bss_get_ie to an information element _contents_ rather than the whole element, add size checking (another out-of-bounds access bug fixed!) * mac80211: remove some unused return values in favour of BUG_ON checking * a few minor other things Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* p54: honour bss_info_changed's short slot time settingsChristian Lamparter2008-10-312-7/+17
| | | | | | | | | | | | This patch was made on behalf of Johannes request. "mac80211 and IEEE80211_CONF_SHORT_SLOT_TIME" Of course, bss_info_changed provides some more useful data. e.g.: basic_rates, dtim_period, beacon_int and maybe even more. Everything can be hooked up if it's necessary. Signed-off-by: Christian Lamparter <chunkeey@web.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: use HWSIM_STA_MAGIC in hwsim_check_sta_magic() and ↵Rami Rosen2008-10-311-2/+2
| | | | | | | | | | | | hwsim_set_sta_magic(). This patch fixes a typo in mac80211_hwsim.c: use HWSIM_STA_MAGIC in hwsim_check_sta_magic() and hwsim_set_sta_magic() instead of HWSIM_VIF_MAGIC. Signed-off-by: Rami Rosen <ramirose@gmail.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* iwlwifi: refactor rxon time commandTomas Winkler2008-10-313-55/+29
| | | | | | | | | | This patch refactors rxon time command. It removes the usage of union tsf in favor of u64 value and hopefully makes code more readable. There are no functional changes in this patch. Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Zhu Yi <yi.zhu@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* iwlwifi: take a valid antenna upon rate scale initTomas Winkler2008-10-313-5/+20
| | | | | | | | | | | This patch selects a valid antennae upon rate scale init. This solves a SYSASSERT complaining that the driver is setting a non valid antenna in the LQ CMD. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Zhu Yi <yi.zhu@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* iwlwifi: make initial calibration set configurableTomas Winkler2008-10-315-35/+49
| | | | | | | | | | This patch adds ability to configure initial calibration set. Not all HW supported by iwlwifi use the same calibration set, XTAL is one example. Some clean ups are also included in this patch. Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Zhu Yi <yi.zhu@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: remove unused declaration of struct sta_attribute.Rami Rosen2008-10-311-5/+0
| | | | | | | | | This patch removes unused definition of struct sta_attribute in net/mac80211/ieee80211_i.h. Signed-off-by: Rami Rosen <ramirose@gmail.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: fix short slot handlingJohannes Berg2008-10-313-49/+62
| | | | | | | | | This patch makes mac80211 handle short slot requests from the AP properly. Also warn about uses of IEEE80211_CONF_SHORT_SLOT_TIME and optimise out the code since it cannot ever be hit anyway. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: remove max_antenna_gain configJohannes Berg2008-10-312-4/+0
| | | | | | | | | The antenna gain isn't exactly configurable, despite the belief of some unnamed individual who thinks that the EEPROM might influence it. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: clean up ieee80211_hw_config errorsJohannes Berg2008-10-315-25/+13
| | | | | | | | | Warn when ieee80211_hw_config returns an error, it shouldn't happen; remove a number of printks that would happen in such a case and one printk that is user-triggerable. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: remove wiphy_to_hwJohannes Berg2008-10-312-9/+0
| | | | | | | | This isn't used by anyone, if we ever need it we can add it back, until then it's useless. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: minor code cleanupsJohannes Berg2008-10-319-52/+45
| | | | | | | | Nothing very interesting, some checkpatch inspired stuff, some other things. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: remove writable debugs mesh parametersJohannes Berg2008-10-311-88/+24
| | | | | | | | | | | These parameters shouldn't be configurable via debugfs, if they need to be configurable nl80211 support has to be added, if not then they don't need to be writable here either. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Cc: Javier Cardona <javier@cozybit.com> Cc: Luis Carlos Cobo <luisca@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: remove aggregation status write support from debugfsJohannes Berg2008-10-311-72/+1
| | | | | | | This code uses static variables and thus cannot be kept. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* misc: replace NIPQUAD()Harvey Harrison2008-10-315-10/+10
| | | | | | | | Using NIPQUAD() with NIPQUAD_FMT, %d.%d.%d.%d or %u.%u.%u.%u can be replaced with %pI4 Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* fs: replace NIPQUAD()Harvey Harrison2008-10-3113-43/+39
| | | | | | | | Using NIPQUAD() with NIPQUAD_FMT, %d.%d.%d.%d or %u.%u.%u.%u can be replaced with %pI4 Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* drivers: replace NIPQUAD()Harvey Harrison2008-10-318-50/+42
| | | | | | | | Using NIPQUAD() with NIPQUAD_FMT, %d.%d.%d.%d or %u.%u.%u.%u can be replaced with %pI4 Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: replace NIPQUAD() in net/*/Harvey Harrison2008-10-3126-150/+127
| | | | | | | | Using NIPQUAD() with NIPQUAD_FMT, %d.%d.%d.%d or %u.%u.%u.%u can be replaced with %pI4 Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: replace NIPQUAD() in net/netfilter/Harvey Harrison2008-10-3116-108/+78
| | | | | | | | Using NIPQUAD() with NIPQUAD_FMT, %d.%d.%d.%d or %u.%u.%u.%u can be replaced with %pI4 Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: replace NIPQUAD() in net/ipv4/ net/ipv6/Harvey Harrison2008-10-3115-103/+78
| | | | | | | | Using NIPQUAD() with NIPQUAD_FMT, %d.%d.%d.%d or %u.%u.%u.%u can be replaced with %pI4 Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: replace NIPQUAD() in net/ipv4/netfilter/Harvey Harrison2008-10-3110-85/+69
| | | | | | | | Using NIPQUAD() with NIPQUAD_FMT, %d.%d.%d.%d or %u.%u.%u.%u can be replaced with %pI4 Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* pkt_sched: Add peek emulation for non-work-conserving qdiscs.Jarek Poplawski2008-10-317-6/+34
| | | | | | | | | | | | | | | This patch adds qdisc_peek_dequeued() wrapper to emulate peek method with qdisc->dequeue() and storing "peeked" skb in qdisc->gso_skb until dequeuing. This is mainly for compatibility reasons not to break some strange configs because peeking is expected for non-work-conserving parent qdiscs to query work-conserving child qdiscs. This implementation requires using qdisc_dequeue_peeked() wrapper instead of directly calling qdisc->dequeue() for all qdiscs ever querried with qdisc->ops->peek() or qdisc_peek_dequeued(). Signed-off-by: Jarek Poplawski <jarkao2@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* pkt_sched: Use qdisc->ops->peek() instead of ->dequeue() & ->requeue()Jarek Poplawski2008-10-314-29/+19
| | | | | | | | | | Use qdisc->ops->peek() instead of ->dequeue() & ->requeue() pair. After this patch the only remaining user of qdisc->ops->requeue() is netem_enqueue(). Based on ideas of Herbert Xu, Patrick McHardy and David S. Miller. Signed-off-by: Jarek Poplawski <jarkao2@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* pkt_sched: Add qdisc->ops->peek() implementation.Jarek Poplawski2008-10-318-0/+69
| | | | | | | | Add qdisc->ops->peek() implementation for work-conserving qdiscs. With feedback from Patrick McHardy. Signed-off-by: Jarek Poplawski <jarkao2@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* pkt_sched: sch_generic: Add generic qdisc->ops->peek() implementation.Jarek Poplawski2008-10-312-0/+28
| | | | | | | With feedback from Patrick McHardy. Signed-off-by: Jarek Poplawski <jarkao2@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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