- 06 Jul, 2016 11 commits
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Sara Sharon authored
Add some prints to track BAID assignment. Signed-off-by:
Sara Sharon <sara.sharon@intel.com> Signed-off-by:
Luca Coelho <luciano.coelho@intel.com>
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Liad Kaufman authored
Make sure that in DQA mode, the SCD's configuration of a queue is redirected to the lower AC of the streams of the queue. Make sure that this queue is redirected to the lowest AC when adding a new RA/TID to an existing queue. If it isn't - redirect the queue. Also, as redirection revealed a bug in the marking of a shared queue, this patch contains a small fix to make sure a shared queue maintains the appropriate "shared queue marking". Signed-off-by:
Liad Kaufman <liad.kaufman@intel.com> Signed-off-by:
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Liad Kaufman authored
Support TDLS when working in DQA mode. This is done mainly by NOT doing any special things for TDLS, as the queues are dynamically created anyway, so no need to allocate them ahead of time. Signed-off-by:
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Sara Sharon authored
In cases of hardware or DMA error, the vid read from a zeroed location will be 0, and we will access the rxb at index 0 in the global table, while it may be NULL or owned by hardware. Invalidate vid 0 in order to detect the situation and bail out. Signed-off-by:
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Emmanuel Grumbach authored
This led to a DMA splat. Fixes: a6c4fb44 ("iwlwifi: mvm: Add FW paging mechanism for the UMAC on PCI") Signed-off-by:
Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by:
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Johannes Berg authored
This struct member is never set, so remove it. Since this is the last thing that needs mac80211.h, also change the includes to no longer use mac80211.h Signed-off-by:
Johannes Berg <johannes.berg@intel.com> Signed-off-by:
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Emmanuel Grumbach authored
The value for Channel 14 was wrong. Fix it. Signed-off-by:
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Emmanuel Grumbach authored
Those comments were wrong, fix them. Signed-off-by:
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Golan Ben-Ami authored
The TX fifos are arranged consecutively in the SMEM, beginning with the regular fifos, and tailed by the internal fifos. In the current code, while trying to read the internal fifos, we read the fifos beginning with the index zero. By doing this we actually re-read the regular fifos. In order to read the internal fifos, start the reading index from the number of regular fifos configured by the fw. Signed-off-by:
Golan Ben-Ami <golan.ben.ami@intel.com> Fixes: 39654cb3 ("iwlwifi: don't access a nonexistent register upon assert") Signed-off-by:
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Sara Sharon authored
This fixes a pretty ancient bug that hasn't manifested itself until now. The scratchbuf for command queue is allocated only for 32 slots but is accessed with the queue write pointer - which can be up to 256. Since the scratch buf size was 16 and there are up to 256 TFDs we never passed a page boundary when accessing the scratch buffer, but when attempting to increase the size of the scratch buffer a panic was quick to follow when trying to access the address resulted in a page boundary. Signed-off-by:
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Ido Yariv authored
On some of the chipsets MSI & INTA interrupts are disabled by default in the HW registers, and need to be explicitly enabled to be used. In case MSI-X isn't used, make sure MSI mode is enabled by setting the relevant HW register. Signed-off-by:
Ido Yariv <idox.yariv@intel.com> Signed-off-by:
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- 05 Jul, 2016 29 commits
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Luca Coelho authored
Read the SAR BIOS table from the ACPI and parse it into the iwl_mvm_sar_table structure. If the table is enabled, send it to the firmware via REDUCE_TX_POWER_CMD. Signed-off-by:
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Emmanuel Grumbach authored
We removed support for old API for coexistence, but we forgot to remove defines and variable that are not needed anymore. Signed-off-by:
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Sara Sharon authored
Our HW does not support checksum of fragmented packets. Fix code accordingly to checksum those packets in the driver. Signed-off-by:
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striebit authored
Currently the state sent in SF configuration is always FULL_ON. This commit sets the correct state (e.g. INIT_OFF when station is not associated). Fixes: commit f4a3ee49 ("iwlwifi: mvm: Always enable the smart FIFO") Signed-off-by:
Shaul Triebitz <shaul.triebitz@intel.com> Signed-off-by:
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Emmanuel Grumbach authored
The NIC's CPU gets started after the firmware has been written to its memory. The first thing it does is to send an interrupt to let the driver know that it is running. In order to get that interrupt, the driver needs to make sure it is not masked. Of course, the interrupt needs to be enabled in the driver before the CPU starts to run. I mistakenly inversed those two steps leading to races which prevented the driver from getting the alive interrupt from the firmware. Fix that. Cc: <stable@vger.kernel.org> [4.5+] Fixes: a6bd005f ("iwlwifi: pcie: fix RF-Kill vs. firmware load race") Signed-off-by:
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Haim Dreyfuss authored
Add a000 family configuration to iwl-cfg struct Signed-off-by:
Haim Dreyfuss <haim.dreyfuss@intel.com> Signed-off-by:
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Sara Sharon authored
For 9000 family we will get extended statistics notification with averaged data for RSSI, TCM and rogue AP detection. Support it. Future patches will added the required algorithms. Signed-off-by:
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Ayala Beker authored
Newer hardware supports GCMP and GCMP 256-bit ciphers. Add support for adding/setting GCMP key for TX mode. In the TX command handling GCMP-256 is handled in a different way as the key size should be up to 128-bits: Set the key value to the key index in the key table, and specify that this key should be taken form the key table instead of from the TX command. While at it - convert security control flags to an enum. Signed-off-by:
Ayala Beker <ayala.beker@intel.com> Signed-off-by:
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Golan Ben-Ami authored
Reserve a single iwl_fw_error_dump_type enum for external code utilities. Signed-off-by:
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Sara Sharon authored
Add support of dumping new RFH instead of FH registers. Signed-off-by:
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Guenter Roeck authored
gcc-6 reports the following error if -Werror=unused-const-variable is enabled. drivers/net/wireless/intel/iwlwifi/dvm/lib.c:210:21: error: 'iwlagn_loose_lookup' defined but not used Signed-off-by:
Guenter Roeck <linux@roeck-us.net> Signed-off-by:
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Oren Givon authored
Fix an issue where nullfunc frames and block ack requests had the same tid as aggregation frames and were queued on a non aggregation queue. The pending frames counter included those frames but the check whether to decrement the pending frames counter relied on the tid status and not on the txq id. The result was an inconsistent state of the pending frames counter followed by a failure to remove the station. This failure triggered SYSASSERT 0x3421. In addition, fix a situation in DQA mode where the number of pending frames turned negative. This was due to the TX queue being on the IWL_EMPTYING_HW_QUEUE_DELBA state and its frames were still decremented. Even though the SYSASSERT issue is fixed when DQA is disabled, the issue is not completely solved when DQA is enabled and should still be fixed. Signed-off-by:
Oren Givon <oren.givon@intel.com> Fixes: cf961e16 ("iwlwifi: mvm: support dqa-mode agg on non-shared queue") Signed-off-by:
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Arnd Bergmann authored
gcc is apparently unablel to track the state of the local 'resp_v2' variable across the kzalloc() function, and warns about the response variable being used without an initialization: drivers/net/wireless/intel/iwlwifi/mvm/nvm.c: In function ‘iwl_mvm_update_mcc’: drivers/net/wireless/intel/iwlwifi/mvm/nvm.c:727:36: warning: ‘mcc_resp_v1’ may be used uninitialized in this function [-Wmaybe-uninitialized] resp_cp->n_channels = mcc_resp_v1->n_channels; drivers/net/wireless/intel/iwlwifi/mvm/nvm.c:721:3: warning: ‘mcc_resp’ may be used uninitialized in this function [-Wmaybe-uninitialized] memcpy(resp_cp, mcc_resp, resp_len); The warning showed up in x86 allmodconfig after my patch to unhide -Wmaybe-uninitialized warnings by default was merged, though it always existed in randconfig builds. I did not catch the warning earlier because I was testing on ARM, which never produced the warning. This rearranges the code in a way that improves readability for both humans and the compiler, and that avoids the warning. Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Fixes: 6fa52430 ("iwlwifi: mvm: change mcc update API") Signed-off-by:
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Gregory Greenman authored
Expand TLC to support 160MHz channels. Full support for A-MSDU case will be added separately. Signed-off-by:
Gregory Greenman <gregory.greenman@intel.com> Signed-off-by:
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Ayala Beker authored
FW sets status for each RX packet. Enum in the driver doesn't match with FW definition - fix it. Signed-off-by:
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Matti Gottlieb authored
Currently we try to open an aggregation for every packet (given that one is not already open). This causes redundant overhead (addba/delba) for null data packets. Do not open an aggregation for null data packets. Signed-off-by:
Matti Gottlieb <matti.gottlieb@intel.com> Signed-off-by:
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Sara Sharon authored
Somehow we ended up stopping RX using legacy RX registers even for devices that support RFH. Fix it. Signed-off-by:
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Luca Coelho authored
We convert the mvm device to a PCI device and then back again when trying to find the handle for the device's ACPI data. This is unnecessary, so it can be removed. Signed-off-by: -
Oren Givon authored
Add 6 new 8265 series PCI IDs: - (0x24FD, 0x1130) - (0x24FD, 0x0130) - (0x24FD, 0x0910) - (0x24FD, 0x0930) - (0x24FD, 0x0950) - (0x24FD, 0x0850) CC: <stable@vger.kernel.org> [4.6+] Signed-off-by:
David Spinadel <david.spinadel@intel.com> Signed-off-by:
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Oren Givon authored
Add 3 new 8260 series PCI IDs: - (0x24F3, 0x10B0) - (0x24F3, 0xD0B0) - (0x24F3, 0xB0B0) CC: <stable@vger.kernel.org> [4.1+] Signed-off-by:
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Liad Kaufman authored
Support sending the DQA-enablement HCMD to the FW when working in DQA mode. This HCMD will enable DQA-specific flows in the FW. Signed-off-by:
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Liad Kaufman authored
In DQA mode the AUX queue is mapped elsewhere than in non- DQA mode. Update the code to reflect this. Signed-off-by:
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Liad Kaufman authored
Set the correct sta_id in the SCD_QUEUE_CONFIG command sent to the FW when enabling/disabling queues. This is needed in DQA-mode to allow the FW to associate between queue and STA. In case the queue isn't connected to a specific station but rather is a static "generic" queue - the sta_id should be set to 0x10 (max supported STA is 0x0f). Signed-off-by:
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Liad Kaufman authored
Support DQA queue sharing when no free queue exists for allocation to a STA that already exists. This means that a single queue will serve more than a single TID (although the RA will be the same for all TIDs served). We try to choose the lowest AC possible, to ensure the shared queues have the lowest possible combined AC requirements. The queue to share is chosen only from the same RA's DATA queues as follows (in descending priority): 1. An AC_BE queue 2. Same AC queue 3. Highest AC queue that is lower than new AC 4. Any existing AC (there always is at least 1 DATA queue) If any aggregations existed for any of the TIDs of the shared queue - they are stopped (the FW is notified), but no delBA is sent. Signed-off-by:
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Dan Carpenter authored
"max_amsdu_len" isn't set if kstrtouint() fails. Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
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Dan Carpenter authored
We never initialize ampdu_status so it causes a static checker warning when we pass it to iwl_mvm_pass_packet_to_mac80211(). Fortunately, it's never used so we can just remove it. Signed-off-by:
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Luca Coelho authored
Some transports may sleep when writing to registers, which is done when calling iwl_force_nmi(). So we can't call iwl_force_nmi() in a timer context. To solve that, convert the scan timeout timer to a delayed work. Signed-off-by: -
Sara Sharon authored
Theoretically we may get only one IRQ from OS, in which case we will have only 1 queue even in MSIx mode. This will cause division by zero in the indirection table calculation. We do not need send the command in that case, as there is only one queue so all RX traffic will be directed to it anyway. Bail out early if there is only one queue. Signed-off-by:
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Sara Sharon authored
Currently code calls restock for mq devices during the init function, unlike sq where restock is called after init. This causes an harmless but alarming deadlock warning from lockdep, to fix this - unify the init code. Rename the restock functions while at it. Signed-off-by:
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