- 07 Mar, 2012 40 commits
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Rafał Miłecki authored
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Thomas Pedersen authored
smatch was complaining: CHECK net/mac80211/mesh_pathtbl.c net/mac80211/mesh_pathtbl.c:562 mesh_path_add() error: double lock 'bottom_half:' net/mac80211/mesh_pathtbl.c:580 mesh_path_add() error: double unlock 'bottom_half:' net/mac80211/mesh_pathtbl.c:589 mesh_path_add() error: double unlock 'bottom_half:' net/mac80211/mesh_pathtbl.c:691 mpp_path_add() error: double lock 'bottom_half:' net/mac80211/mesh_pathtbl.c:707 mpp_path_add() error: double unlock 'bottom_half:' net/mac80211/mesh_pathtbl.c:716 mpp_path_add() error: double unlock 'bottom_half:' net/mac80211/mesh_pathtbl.c:814 mesh_path_flush_by_nexthop() error: double lock 'bottom_half:' net/mac80211/mesh_pathtbl.c:819 mesh_path_flush_by_nexthop() error: double unlock 'bottom_half:' net/mac80211/mesh_pathtbl.c:887 mesh_path_del() error: double lock 'bottom_half:' net/mac80211/mesh_pathtbl.c:901 mesh_path_del() error: double unlock 'bottom_half:' So don't lock / unlock with _bh() while bottom halves are already disabled. Reported-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Thomas Pedersen <thomas@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
This function is only used in iwl-scan.c, so if we move it up a little in the file it can be made static. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
Do some cleanups here: * remove an unused prototype * remove some unused constants * clean up includes Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
It's only needed in a few places. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
No need to have a special config variable for the PA type, we can just use the additional NIC config function to config the hardware correctly. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
Finally nothing needs to access priv from shared any more, so remove it. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
The nic_config sets uCode dependent register bits, so it must be virtual in the op_mode. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
The base packet structure will (hopefully) be the same for all transports, but what is in it differs. Remove the union of all the possible contents and move the packet itself into the transport header file. This requires changing all users of the union to just use pkt->data. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
Even if the variable might also be used by other transports, there's no need for anything outside of the transport itself to access it, so move it into the private area. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
All variables related to uCode loading (the waitqueue and done indication) should be in the PCI-E transport's private data as this is transport specific. Move them there. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
The transport doesn't really need to know as we can enforce it in the command wrapper. Move the ucode_owner variable into priv and do all enforcing there. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
This will be sharable, but needs to live in the op_mode as it is dependent on command processing. Make a library out of the notification wait code. Since I wrote all of the code originally and only Intel employees changed it, we can also relicense it to dual BSD/GPL. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
In "iwlwifi: consolidate the start_device flow" Emmanuel added the return if the fw isn't there but forgot to take into account that the struct for notification wait needs to be added only after the check -- fix that. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
The HW configuration settings base_params, ht_params and bt_params all should be const, make it so. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
The hardware config ht_params shouldn't be modified, so copy the use_rts_for_aggregation parameter into hw_params and use/modify it there. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
This is the version that can be modified, the config params should be read-only. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
The base_params shouldn't be writable, so keep a copy of this in priv that can be modified. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
This can be used directly from the config now. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
This is a hardware parameter, so it shouldn't be configurable by the user. Users can disable aggregation (which is the only thing affected) with 11n_disable. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
The transport doesn't need to include iwl-core.h any more. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
When the command queue is full, the transport will return -ENOSPC, but the reaction to that depends on the op_mode. Virtualize that, the DVM op_mode checks for CT-kill and restarts the hardware otherwise. We may be able to get rid of this callback by putting the behaviour check into the wrapper but that needs more careful evaluation. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
Tracing used the priv pointer as an identifier, which has the problem that we don't have it in all code, and also some people say no pointers should be "leaked" to userspace. Use the device name instead, it is more useful anyway. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
They are only used in the DVM op_mode. Also move the rfkill debug macros that depend on them. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
There's no need to copy shadow_reg_enable into hw_params since it is a pure hardware parameter that will never change, we can access it from the config directly. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
As iwl_prepare_card_hw() is idempotent (and many cards support AMT anyway) there's no point in calling iwl_prepare_card_hw() only for AMT capable devices -- call it always and simplify the code that way. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
That name better reflects the contents of the file and the fact that it isn't related to iwl-ucode.c. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
The transport layer should only check the hardware RF kill status, not impose any policy or reaction based on it, so move that out of it into the op_mode. For now keep the restriction on loading firmware, that will have to be removed later. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
Now the mutex no longer needs to be shared, so move it into iwl_priv. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
The fact that the mutex must be held is an implementation detail of DVM, but something has to ensure that no two synchronous cmds are submitted concurrently. Move the lockdep assertion into the DVM-specific code, but also make the transport abort if there are two concurrently commands. The assertion is much more useful though as the transport check can only catch it when it actually happens, while the assertion makes sure it can't possibly happen. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
Currently, we cannot send any commands when the uCode is in RF or CT kill, but that will not be true for all new uCode versions, so we need to move the check into the uCode specific code. Also remove the duplicate rfkill check. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
Add wrappers to send commands from the DVM op-mode (which essentially consists of the current driver). This will allow us to move specific sanity checks there. Also, this removes iwl_trans_send_cmd_pdu() since that can now be taken care of in the DVM-specific wrapper. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
This file was recently introduced, but then directly abused -- it contained private data that shouldn't have been used by anything but the implementation of firmware requests and some very core code. Now that it is no longer accessed by any code but the code in iwl-drv.c, we can dissolve it. Also rename the iwl_nic struct to iwl_drv to better reflect where and how it is used. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
Through the driver, struct iwl_fw will store the firmware. Split this out into a separate file, iwl-fw.h, and make all other code use it. To do this, also move the log pointers into it, and remove the knowledge of "nic" from everything. Now the op_mode has a fw pointer, and (unfortunately) for now the shared data also needs to keep one for the transport to access dump the error log -- I think that will move later. Since I wanted to constify the firmware pointers, some more changes were needed. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes Berg authored
uCode loading belongs to the op_mode, as it is dependent on various things there and the commands sent during it are specific to it. Move the prototypes to iwl-agn.h to indicate this. To make this possible, also move all the calibration handling (which is op_mode dependent after all). Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Ashok Nagarajan authored
The patch "{nl,cfg,mac}80211: Implement RSSI threshold for mesh peering" has a potential null pointer dereferencing problem. Thanks to Dan Carpenter for pointing out. This patch will fix the issue. Signed-off-by: Ashok Nagarajan <ashok@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Felix Fietkau authored
On A-MPDU frames, the hardware only reports valid signal strength data for the last subframe. The driver also mangled rx_stats->rs_rssi using the ATH_EP_RND macro in a way that may make sense for ANI, but definitely not for reporting to mac80211. This patch changes the code to calculate the signal strength from the rssi directly instead of taking the average value, and flag everything but the last subframe in an A-MPDU to tell mac80211 to ignore the signal strength entirely, fixing signal strength fluctuation issues reported by various users. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Felix Fietkau authored
Process rx status directly instead of separating the completion test from the actual rx status processing. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Felix Fietkau authored
The way this is implemented (simply storing the last value) is absolutely worthless for debugging anything, and the same information is also available through the MAC sample feature, so there's no point in keeping this around. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Felix Fietkau authored
They're more expensive than some of the other debug options and only used in very rare situations, so it sometimes makes sense to disable them while leaving in debugfs support. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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