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- 02 Dec, 2013 2 commits
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Johannes Berg authored
The beacon timers really shouldn't use any clock that is subject to adjustments from userspace, particularly not CLOCK_REALTIME. Use CLOCK_MONOTONIC_RAW instead. Signed-off-by:Johannes Berg <johannes.berg@intel.com>
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Felix Fietkau authored
nla_put_flag needs a real nl80211 attribute id, not a wiphy flag bit. While at it, split 5 and 10 MHz capability flags in case we ever need to support hardware that can only do one of the two. Also move the flag settings to the split-only information so we don't increase the space needed for old userspace. Signed-off-by:
Felix Fietkau <nbd@openwrt.org> [change location of flag setting] Signed-off-by:
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- 25 Nov, 2013 38 commits
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Karl Beldan authored
ATM minstrel_ht does not check whether a sampling rate is supported. Unsupported rates attempts can trigger when there are holes in bitfields of supported MCSes belonging to the same group (e.g many devices are MCS32 capable without MCS33->39 capable, also we systematically have a hole for CCK rates). Drop any attempts to sample unsupported rates, as suggested by Felix. This is not a problem in minstrel which fills a per STA sample table with only supported rates (though only at init). Signed-off-by:
Karl Beldan <karl.beldan@rivierawaves.com> Signed-off-by:
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Luis R. Rodriguez authored
This lets us later reuse the more generic reg_dfs_region_str(). Signed-off-by:
Luis R. Rodriguez <mcgrof@do-not-panic.com> Signed-off-by:
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Luis R. Rodriguez authored
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Luis R. Rodriguez authored
Only allow DFS to be set if the DFS regions agree. Signed-off-by:
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Luis R. Rodriguez authored
u8 was used in some other places, just stick to the enum, this forces us to express the values that are expected. Signed-off-by:
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Karl Beldan authored
ATM, only the first array value returned by get_random_bytes is used. This change moves the call to get_random_bytes from the nested loop it is in to its parent. While at it, replace get_random_bytes with prandom_bytes since PRNs are way enough for the selection process. After this, minstrel_ht reclaims 80 PR-bytes instead of 640 R-bytes. minstrels use sample tables to probe different rates in a randomized manner. minstrel_ht inits one single sample table upon registration (during subsys_initcalls) and minstrel uses one per STA addition in minstrel. Signed-off-by:
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Karl Beldan authored
Consecutive MCSes in [8*(NSS-1)->8*NSS[ have the same number NSS of streams (except for MCS32 which is mishandled ATM). ATM minstrel_ht uses MCS_GROUP_RATES in place of this 8 modulus. This change replaces such occurences and by doing so allows for different values of MCS_GROUP_RATES (e.g to cope with VHT MCS8,9). Signed-off-by:
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Eliad Peller authored
Add a new field to ieee80211_chanctx_conf to indicate the min required channel configuration. Tuning to a narrower channel might help reducing the noise level and saving some power. The min required channel definition is the max of all min required channel definitions of the interfaces bound to this channel context. In AP mode, use 20MHz when there are no connected station. When a new station is added/removed, calculate the new max bandwidth supported by any of the stations (e.g. 80MHz when 80MHz and 40MHz stations are connected). In other cases, simply use bss_conf.chandef as the min required chandef. Notify drivers about changes to this field by calling drv_change_chanctx with a new CHANGE_MIN_WIDTH notification. Signed-off-by:
Eliad Peller <eliad@wizery.com> Reviewed-by:
Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by:
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Eyal Shapira authored
Introduce shift and mask defines for beamformee STS cap and number of sounding dimensions cap as these can take any 3 bit value. While at it also cleanup an unrequired parenthesis. Signed-off-by:
Eyal Shapira <eyal@wizery.com> Reviewed-by:
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Luciano Coelho authored
There is no reason why we should have only one channel switch announcement at a time for a single phy. When support for channel switch with multiple contexts and multiple vifs per context is implemented, we will need the chandef data for each vif. Move the csa_chandef structure to sdata to prepare for this. Reviewed-by:
Luciano Coelho <luciano.coelho@intel.com> [Fixed compilation with mesh] Signed-off-by:
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Chun-Yeow Yeoh authored
Use put_unaligned_le16 and put_unaligned_le32 for mesh_path_error_tx and mesh_path_sel_frame_tx. Signed-off-by:
Chun-Yeow Yeoh <yeohchunyeow@gmail.com> Signed-off-by:
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Chun-Yeow Yeoh authored
Use put_unaligned_le16 in mesh_plink_frame_tx. Signed-off-by:
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Luis R. Rodriguez authored
Certain vendors may want to disable the processing of country IEs so that they can continue using the regulatory domain the driver or user has set. Currently there is no way to stop the core from processing country IEs, so add support to the core to ignore country IE hints. Cc: Mihir Shete <smihir@qti.qualcomm.com> Cc: Henri Bahini <hbahini@qca.qualcomm.com> Cc: Tushnim Bhattacharyya <tushnimb@qca.qualcomm.com> Signed-off-by:
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Luis R. Rodriguez authored
802.11 cards may have different country IE parsing behavioural preferences and vendors may want to support these. These preferences were managed by the REGULATORY_CUSTOM_REG and the REGULATORY_STRICT_REG flags and their combination. Instead of using this existing notation, split out the country IE behavioural preferences as a new flag. This will allow us to add more customizations easily and make the code more maintainable. Cc: Mihir Shete <smihir@qti.qualcomm.com> Cc: Henri Bahini <hbahini@qca.qualcomm.com> Cc: Tushnim Bhattacharyya <tushnimb@qca.qualcomm.com> Signed-off-by:
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Luis R. Rodriguez authored
We'll expand this later, this will make it easier to classify and review what things are related to regulatory or not. Coccinelle only missed 4 hits, which I had to do manually, supplying the SmPL in case of merge conflicts. @@ struct wiphy *wiphy; @@ -wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY +wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG @@ expression e; @@ -e->flags |= WIPHY_FLAG_CUSTOM_REGULATORY +e->regulatory_flags |= REGULATORY_CUSTOM_REG @@ struct wiphy *wiphy; @@ -wiphy->flags &= ~WIPHY_FLAG_CUSTOM_REGULATORY +wiphy->regulatory_flags &= ~REGULATORY_CUSTOM_REG @@ struct wiphy *wiphy; @@ -wiphy->flags & WIPHY_FLAG_CUSTOM_REGULATORY +wiphy->regulatory_flags & REGULATORY_CUSTOM_REG @@ struct wiphy *wiphy; @@ -wiphy->flags |= WIPHY_FLAG_STRICT_REGULATORY +wiphy->regulatory_flags |= REGULATORY_STRICT_REG @@ expression e; @@ -e->flags |= WIPHY_FLAG_STRICT_REGULATORY +e->regulatory_flags |= REGULATORY_STRICT_REG @@ struct wiphy *wiphy; @@ -wiphy->flags &= ~WIPHY_FLAG_STRICT_REGULATORY +wiphy->regulatory_flags &= ~REGULATORY_STRICT_REG @@ struct wiphy *wiphy; @@ -wiphy->flags & WIPHY_FLAG_STRICT_REGULATORY +wiphy->regulatory_flags & REGULATORY_STRICT_REG @@ struct wiphy *wiphy; @@ -wiphy->flags |= WIPHY_FLAG_DISABLE_BEACON_HINTS +wiphy->regulatory_flags |= REGULATORY_DISABLE_BEACON_HINTS @@ expression e; @@ -e->flags |= WIPHY_FLAG_DISABLE_BEACON_HINTS +e->regulatory_flags |= REGULATORY_DISABLE_BEACON_HINTS @@ struct wiphy *wiphy; @@ -wiphy->flags &= ~WIPHY_FLAG_DISABLE_BEACON_HINTS +wiphy->regulatory_flags &= ~REGULATORY_DISABLE_BEACON_HINTS @@ struct wiphy *wiphy; @@ -wiphy->flags & WIPHY_FLAG_DISABLE_BEACON_HINTS +wiphy->regulatory_flags & REGULATORY_DISABLE_BEACON_HINTS Generated-by: Coccinelle SmPL Cc: Julia Lawall <julia.lawall@lip6.fr> Cc: Peter Senna Tschudin <peter.senna@gmail.com> Cc: Mihir Shete <smihir@qti.qualcomm.com> Cc: Henri Bahini <hbahini@qca.qualcomm.com> Cc: Tushnim Bhattacharyya <tushnimb@qca.qualcomm.com> Signed-off-by:
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Chun-Yeow Yeoh authored
use put_unaligned_le16 for precedence value in mesh channel switch support Signed-off-by:
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Karl Beldan authored
Signed-off-by:
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Luis R. Rodriguez authored
This reflects that case is now completely separated. Signed-off-by:
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Luis R. Rodriguez authored
This splits up the driver regulatory update on its own, this helps simplify the reading the case. Signed-off-by:
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Luis R. Rodriguez authored
This splits out the user regulatory update on its own, this helps simplify reading the case. Signed-off-by:
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Luis R. Rodriguez authored
This splits up the core regulatory update to be set on its own helper. This should make it easier to read exactly what type of requests should be expected there. In this case its clear that NL80211_REGDOM_SET_BY_CORE is only used by the core for updating the world regulatory domain. This is consistant with the nl80211.h documentation. Signed-off-by:
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Luis R. Rodriguez authored
last_request is RCU protected, since we're getting it on set_regdom() we might as well pass it to ensure the same request is being processed, otherwise there is a small race it could have changed. This makes processing of the request atomic. Signed-off-by:
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Luis R. Rodriguez authored
Drivers that set the WIPHY_FLAG_CUSTOM_REGULATORY skip the core world regulatory domain updates, but do want their reg_notifier() called. Move the check for this closer to the source of the check that detected skipped was required and while at it add a helper for the notifier calling. This has no functional changes. This brings together the place where we call the reg_notifier() will be called. Signed-off-by:
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Luis R. Rodriguez authored
It seems some out of tree drivers were using a regulatory_hint("00") to trigger off the wiphy regulatory notifier, for those cases just setting the WIPHY_FLAG_CUSTOM_REGULATORY would suffice to call the reg_notifier() for a world regulatory domain update. If drivers find other needs for calling the reg_notifier() a proper implemenation is preferred. Signed-off-by: -
Luis R. Rodriguez authored
All the regulatory request process routines use the same pattern. Signed-off-by:
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Luis R. Rodriguez authored
This enforces proper RCU APIs accross the code. Signed-off-by:
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Luis R. Rodriguez authored
This is common code, this reduces the chance of making a mistake of how we free it. Signed-off-by:
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Luis R. Rodriguez authored
By dealing with non country IE conficts first we can shift the code that deals with the conflict to the left. This has no functional changes. Signed-off-by:
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Luis R. Rodriguez authored
This is the last split up of the old unified __regultory_hint() processing set of functionality, it moves the country IE processing all on its own. This makes it easier to follow and read what exactly is going on for the case of processing country IEs. Signed-off-by:
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Luis R. Rodriguez authored
This makes the code easier to read and follow. Signed-off-by:
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Luis R. Rodriguez authored
This makes the code path easier to read and lets us split out some functionality that is only user specific, that makes it easier to read the other types of requests. Signed-off-by:
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Luis R. Rodriguez authored
This makes the code path easier to read for the core case. Signed-off-by:
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Luis R. Rodriguez authored
Currently nl80211 allows userspace to send the kernel a bogus regulatory domain with at most 32 rules set and it won't reject it until after its allocated memory. Let's be smart about it and take advantage that the last_request is now available under RTNL and check if the alpha2 matches an expected request and reject any bogus userspace requests prior to hitting the memory allocator. Signed-off-by:
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Luis R. Rodriguez authored
If a custom regulatory domain is passed and if a rule for a channel indicates it should be disabled that channel should always remain disabled as per its documentation and design. Likewise if WIPHY_FLAG_STRICT_REGULATORY flag is set and a regulatory_hint() is issued if a channel is disabled that channel should remain disabled. Without this change only drivers that set the _orig flags appropriately on their own would ensure disallowed channels remaind disabled. This helps drivers save code by relying on the APIS provided to entrust channels that should not be enabled be respected by only having to use wiphy_apply_custom_regulatory() or regulatory_hint() with the WIPHY_FLAG_STRICT_REGULATORY set. If wiphy_apply_custom_regulatory() is used together with WIPHY_FLAG_STRICT_REGULATORY and a regulatory_hint() issued later, the incoming regulatory domain can override previously set _orig parameters from the initial custom regulatory setting. Signed-off-by:
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Luis R. Rodriguez authored
If genregdb.awk assumes the file will end with an extra empty line or a comment line. This is could not be true so just address this. Signed-off-by:
John W. Linville <linville@tuxdriver.com> Signed-off-by:
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Luis R. Rodriguez authored
This has no functional change, this just lets us reuse helpers at a later time. Signed-off-by:
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Max Stepanov authored
This adds generic cipher scheme support to mac80211, such schemes are fully under control by the driver. On hw registration drivers may specify additional HW ciphers with a scheme how these ciphers have to be handled by mac80211 TX/RR. A cipher scheme specifies a cipher suite value, a size of the security header to be added to or stripped from frames and how the PN is to be verified on RX. Signed-off-by:
Max Stepanov <Max.Stepanov@intel.com> Signed-off-by:
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Janusz Dziedzic authored
Allow beconing after we pass Channel Availability Check (CAC). Allow non-DFS and DFS channels mix. All DFS channels have to be in NL80211_DFS_AVAILABLE state (pass CAC). Signed-off-by:
Janusz Dziedzic <janusz.dziedzic@tieto.com> Signed-off-by:
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