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2016-05-11mwifiex: fixup error messagesWei-Ning Huang1-2/+3
Use dev_err instead of pr_err and add newline character at the end. Signed-off-by: Wei-Ning Huang <wnhuang@chromium.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-05-11rtlwifi: pci: use dev_kfree_skb_irq instead of kfree_skb in rtl_pci_reset_trx_ringwang yanqing1-1/+1
We can't use kfree_skb in irq disable context, because spin_lock_irqsave make sure we are always in irq disable context, use dev_kfree_skb_irq instead of kfree_skb is better than dev_kfree_skb_any. This patch fix below kernel warning: [ 7612.095528] ------------[ cut here ]------------ [ 7612.095546] WARNING: CPU: 3 PID: 4460 at kernel/softirq.c:150 __local_bh_enable_ip+0x58/0x80() [ 7612.095550] Modules linked in: rtl8723be x86_pkg_temp_thermal btcoexist rtl_pci rtlwifi rtl8723_common [ 7612.095567] CPU: 3 PID: 4460 Comm: ifconfig Tainted: G W 4.4.0+ #4 [ 7612.095570] Hardware name: LENOVO 20DFA04FCD/20DFA04FCD, BIOS J5ET48WW (1.19 ) 08/27/2015 [ 7612.095574] 00000000 00000000 da37fc70 c12ce7c5 00000000 da37fca0 c104cc59 c19d4454 [ 7612.095584] 00000003 0000116c c19d4784 00000096 c10508a8 c10508a8 00000200 c1b42400 [ 7612.095594] f29be780 da37fcb0 c104ccad 00000009 00000000 da37fcbc c10508a8 f21f08b8 [ 7612.095604] Call Trace: [ 7612.095614] [<c12ce7c5>] dump_stack+0x41/0x5c [ 7612.095620] [<c104cc59>] warn_slowpath_common+0x89/0xc0 [ 7612.095628] [<c10508a8>] ? __local_bh_enable_ip+0x58/0x80 [ 7612.095634] [<c10508a8>] ? __local_bh_enable_ip+0x58/0x80 [ 7612.095640] [<c104ccad>] warn_slowpath_null+0x1d/0x20 [ 7612.095646] [<c10508a8>] __local_bh_enable_ip+0x58/0x80 [ 7612.095653] [<c16b7d34>] destroy_conntrack+0x64/0xa0 [ 7612.095660] [<c16b300f>] nf_conntrack_destroy+0xf/0x20 [ 7612.095665] [<c1677565>] skb_release_head_state+0x55/0xa0 [ 7612.095670] [<c16775bb>] skb_release_all+0xb/0x20 [ 7612.095674] [<c167760b>] __kfree_skb+0xb/0x60 [ 7612.095679] [<c16776f0>] kfree_skb+0x30/0x70 [ 7612.095686] [<f81b869d>] ? rtl_pci_reset_trx_ring+0x22d/0x370 [rtl_pci] [ 7612.095692] [<f81b869d>] rtl_pci_reset_trx_ring+0x22d/0x370 [rtl_pci] [ 7612.095698] [<f81b87f9>] rtl_pci_start+0x19/0x190 [rtl_pci] [ 7612.095705] [<f81970e6>] rtl_op_start+0x56/0x90 [rtlwifi] [ 7612.095712] [<c17e3f16>] drv_start+0x36/0xc0 [ 7612.095717] [<c17f5ab3>] ieee80211_do_open+0x2d3/0x890 [ 7612.095725] [<c16820fe>] ? call_netdevice_notifiers_info+0x2e/0x60 [ 7612.095730] [<c17f60bd>] ieee80211_open+0x4d/0x50 [ 7612.095736] [<c16891b3>] __dev_open+0xa3/0x130 [ 7612.095742] [<c183fa53>] ? _raw_spin_unlock_bh+0x13/0x20 [ 7612.095748] [<c1689499>] __dev_change_flags+0x89/0x140 [ 7612.095753] [<c127c70d>] ? selinux_capable+0xd/0x10 [ 7612.095759] [<c1689589>] dev_change_flags+0x29/0x60 [ 7612.095765] [<c1700b93>] devinet_ioctl+0x553/0x670 [ 7612.095772] [<c12db758>] ? _copy_to_user+0x28/0x40 [ 7612.095777] [<c17018b5>] inet_ioctl+0x85/0xb0 [ 7612.095783] [<c166e647>] sock_ioctl+0x67/0x260 [ 7612.095788] [<c166e5e0>] ? sock_fasync+0x80/0x80 [ 7612.095795] [<c115c99b>] do_vfs_ioctl+0x6b/0x550 [ 7612.095800] [<c127c812>] ? selinux_file_ioctl+0x102/0x1e0 [ 7612.095807] [<c10a8914>] ? timekeeping_suspend+0x294/0x320 [ 7612.095813] [<c10a256a>] ? __hrtimer_run_queues+0x14a/0x210 [ 7612.095820] [<c1276e24>] ? security_file_ioctl+0x34/0x50 [ 7612.095827] [<c115cef0>] SyS_ioctl+0x70/0x80 [ 7612.095832] [<c1001804>] do_fast_syscall_32+0x84/0x120 [ 7612.095839] [<c183ff91>] sysenter_past_esp+0x36/0x55 [ 7612.095844] ---[ end trace 97e9c637a20e8348 ]--- Signed-off-by: Wang YanQing <udknight@gmail.com> Cc: Stable <stable@vger.kernel.org> Acked-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-05-11rtlwifi: Remove double check for cnt_after_linkedwang yanqing1-8/+4
rtl_lps_enter does two successive check for cnt_after_linked to make sure some time has elapsed after linked. The second check isn't necessary, because if cnt_after_linked is bigger than 5, it is bigger than 2 of course! This patch remove the second check code. Signed-off-by: Wang YanQing <udknight@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-05-11brcmfmac: Add 4356 sdio supportChristian Daudt4-1/+6
This adds support for the 4356-sdio wireless chip. Signed-off-by: Christian Daudt <csd@broadcom.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-05-11rtlwifi: rtl818x: silence uninitialized variable warningDan Carpenter1-2/+1
What about if "rtlphy->pwrgroup_cnt" is 2? In that case we would use an uninitialized "chnlgroup" variable and probably crash. Maybe that can't happen for some reason which is not obvious but in that case this patch is harmless. Setting it to zero seems like a standard default in the surrounding code so it's probably fine here as well. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-05-11mwifiex: Drop unnecessary include pcieport_if.hLukas Wunner1-1/+0
This header file is only needed for drivers binding to a PCI bridge device allocated by drivers/pci/pcie/portdrv_core.c. The mwifiex driver doesn't do that nor use any symbols defined in pcieport_if.h. Cc: Amitkumar Karwar <akarwar@marvell.com> Cc: Nishant Sarmukadam <nishants@marvell.com> Signed-off-by: Lukas Wunner <lukas@wunner.de> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-05-11rtlwifi: Fix logic error in enter/exit power-save modewang yanqing1-2/+2
In commit a269913c52ad ("rtlwifi: Rework rtl_lps_leave() and rtl_lps_enter() to use work queue"), the tests for enter/exit power-save mode were inverted. With this change applied, the wifi connection becomes much more stable. Fixes: a269913c52ad ("rtlwifi: Rework rtl_lps_leave() and rtl_lps_enter() to use work queue") Signed-off-by: Wang YanQing <udknight@gmail.com> CC: Stable <stable@vger.kernel.org> [3.10+] Acked-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-05-11rtlwifi: rtl818x: constify rtl_intf_ops structuresJulia Lawall4-4/+4
The rtl_intf_ops structures are never modified, so declare them as const. Done with the help of Coccinelle. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-05-11wlcore/wl12xx: Fix fw logger over sdioGuy Mishol3-6/+18
The commit fb724ed5c617 ("wlcore: Fix regression in wlcore_set_partition()") fixed wl12xx functionality. However, it reverted the support in fw logger over sdio in wl18xx. This patch reverts the changes made and also fixes the original functionality issue introduced in wl12xx. Fixes: fb724ed5c617 ("wlcore: Fix regression in wlcore_set_partition()") Signed-off-by: Guy Mishol <guym@ti.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-05-10MAINTAINERS: add myself as co-maintainer of the iwlwifi driverLuca Coelho1-0/+1
I'm starting to take a more active role in the iwlwifi driver maintainership. Cc: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Cc: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10iwlwifi: add default value to disable_11ac mod param descriptionEmmanuel Grumbach1-1/+1
Small change to make it clear that the default value is false. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10iwlwifi: pcie: grab NIC access only once on RX initSara Sharon1-40/+57
When initializing RX we grab NIC access for every read and write. This is redundant - we can just grab access once. Signed-off-by: Sara Sharon <sara.sharon@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10iwlwifi: pcie: use shadow registers for updating write pointerSara Sharon2-2/+5
The RX queues have a shadow register for the write pointer that enables updates without grabbing NIC access. Use them instead of the periphery registers because accessing those is much more expensive. Signed-off-by: Sara Sharon <sara.sharon@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10iwlwifi: mvm: support dqa-mode agg on non-shared queueLiad Kaufman6-40/+207
In non-shared queues, DQA requires re-configuring existing queues to become aggregated rather than allocating a new one. It also requires "un-aggregating" an existing queue when aggregations are turned off. Support this requirement for non-shared queues. Signed-off-by: Liad Kaufman <liad.kaufman@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10iwlwifi: pcie: avoid msleep() with short timeoutJohannes Berg1-2/+2
Since msleep is based on jiffies, it can sleep for a long time. Use usleep_range() instead to shorten the maximum time. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10iwlwifi: pcie: extend device reset delayJohannes Berg1-9/+5
Newer hardware generations will take longer to be accessible again after reset, so we need to wait longer before continuing any flow that did a reset. Rather than make the wait time configurable, simply extend it for all. Since all of these code paths can sleep, use usleep_range() rather than mdelay(). Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10iwlwifi: turn on SGI support for VHT 160MHzGregory Greenman1-2/+2
Devices supporting VHT 160MHz width are supporting also Short GI. Turn on this capability in vht cap. Signed-off-by: Gregory Greenman <gregory.greenman@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10iwlwifi: make configuration structs smallerJohannes Berg9-70/+65
Since we have a lot of configuration structs (almost 70) saving some memory in each one of them leads to an overall saving of ~2.6KiB of memory. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10iwlwifi: don't access a nonexistent register upon assertEmmanuel Grumbach1-3/+4
The commit below added code to dump the content of FIFOs that are present only on dual CPU products (8000 and up). This broke 7265D whose firmware does advertise IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG but doesn't have 2 CPUs. The current code does check the length of the FIFO before dumping them (and the nonexistent FIFO has a 0 length), but we still accessed a register to set the FIFO number and that made the DMA unhappy. The impact was a much longer recovery upon firmware assert. Fixes: 5b086414293f ("iwlwifi: mvm: support dumping UMAC internal txfifos") Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10iwlwifi: remove IWLWIFI_DEBUG_EXPERIMENTAL_UCODEEmmanuel Grumbach2-32/+9
This Kconfig option allows to load a firmware for debugging with a different name. This mechanism has not been used for a few years now and replacing the firmware file works as well. Kill this Kconfig option and all the code that goes with it. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10iwlwifi: mvm: use helpers to get iwl_mvm_staSara Sharon6-31/+14
Getting the mvm station out of station id requires dereferencing the station id to get ieee80211_sta, then checking for pointer validity and only then extract mvm station out. Given that there are helpers to do it - use them instead of duplicating the code whenever we need only mvm station. Signed-off-by: Sara Sharon <sara.sharon@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10iwlwifi: mvm: remove redundant alloc_ctx parameterSara Sharon3-6/+6
iwl_phy_db_set_section() is get called only from atomic context, the alloc_ctx parameter is not needed. Remove it. Signed-off-by: Sara Sharon <sara.sharon@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10iwlwifi: mvm: make phy_db size dynamicSara Sharon1-13/+49
Driver is agnostic to the number of the phy_db entries and only serves the firmware as a pipe to move the data from init image to RT image. As the size of the arrays may change (as it does in 9000 device) allocate it dynamically. Firmware sends the largest index first so we can use this to know how much we should allocate. Signed-off-by: Sara Sharon <sara.sharon@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10iwlwifi: mvm: set correct vht capabilitySara Sharon1-1/+1
Our device supports only 160 GHz and not 80+80. Fix VHT flag accordingly. Signed-off-by: Sara Sharon <sara.sharon@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10iwlwifi: mvm: loosen nssn comparison to reorder buffer headSara Sharon1-4/+18
Up till now, the reorder buffer uses standard spec based comparison when comparing the buffer status to NSSN. This indeed works for the regular case, since we shouldn't cross the 2048 boundary without getting a frame release notification. However, this is problematic due to packet filtering that may be performed by the FW while we are in d0i3. Theoretically we may filter over 2048 packets, and then the check of the NSSN will get incorrect. Change the comparison to always trust nssn unless it is 64 or less frames behind the head - which might happen due to a timeout. This new comparison is to be used only when comparing reorder buffer head with nssn, and not when comparing the packet SN to nssn or reorder buffer head. Put this in a separate commit as the logic is a bit tricky and stands for its own commit message. Signed-off-by: Sara Sharon <sara.sharon@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10iwlwifi: pcie: don't wake up the NIC when writing CSRs in MSIX modeHaim Dreyfuss1-5/+5
CSR registers are always available even when the NIC is not awake, no need to wake up the NIC before accessing them. This has a huge impact when we re-enable an interrupt at the end of the ISR since waking up the NIC can take some time. Signed-off-by: Haim Dreyfuss <haim.dreyfuss@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10iwlwifi: Fix firmware name maximum length definitionHaim Dreyfuss1-1/+1
Previous patch had changed firmware name convention for new generation product. The firmware name is now longer than the former convention. Adapt max firmware name length to the new convention. Fixes: e1ba684f762b ("iwlwifi: 8000: fix MODULE_FIRMWARE input") Signed-off-by: Haim Dreyfuss <haim.dreyfuss@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10iwlwifi: mvm: don't allow negative reference countSara Sharon1-1/+5
Currently code allows mvm reference to become negative and only warns in case mvm reference is released while reference counting is 0. However, we better prevent this from happening at all since iwl_mvm_unref() may race against iwl_mvm_unref_all_except() which is called on restart. As a result we might get the same reference unreferenced twice ending with a negative value: An example for an easily reproduced log: [ 2689.909166] iwl_mvm_ref Take mvm reference - type 8 [ 2690.732716] iwl_mvm_unref_all_except Cleanup: remove mvm ref type 8 (1) [ 2690.849708] iwl_mvm_unref Leave mvm reference - type 8 [ 2690.849721] WARNING: ... iwl_mvm_unref+0xb0/0xc0 [iwlmvm]() If there will be yet another another restart iwl_mvm_unref_all_except will run from 0 up to ref count, and since it is unsigned, we will throw the transport ref count completely out of balance: iwl_mvm_unref_all_except[I] -- Cleanup: remove mvm ref type 8 (255) iwl_trans_slv_unref[I] -- rpm counter: 0 iwl_trans_slv_unref[I] -- rpm counter: -1 iwl_trans_slv_unref[I] -- rpm counter: -2 ... iwl_trans_slv_unref[I] -- rpm counter: -253 iwl_trans_slv_unref[I] -- rpm counter: -254 As there is no valid scenario where we can get to a negative reference count - prevent it from happening. Signed-off-by: Sara Sharon <sara.sharon@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10iwlwifi: mvm: add more registers to dump upon errorGolan Ben-Ami1-9/+44
Add UREG, RXFC, RFH, WMAL and RL2P registers to the prph dump upon error. These regesiters could help to debug MSI-X and other issues. These register should be dumped only when multi-queue rx is supported so separate the prph ranges static array to two different arrays, and enable dumping different prph ranges according to run-time decision. Signed-off-by: Golan Ben-Ami <golan.ben.ami@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10iwlwifi: mvm: add a new mvm reference type for RX dataLuca Coelho3-0/+17
When a data packet is received, we need to make sure that we stay awake until it can be processed and wait a while before trying to enter runtime_suspend os system_suspend again. To do so, add a new reference type for RX data and take the reference when sending the packet to mac80211. We only do this for data packets, all the other RX packets sent by the firmware (e.g. notifications) are not a reason to prevent suspend. Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10iwlwifi: mvm: pass station to mac80211 RX where knownJohannes Berg2-4/+9
When we've already looked up the transmitter station, we can just pass it to mac80211 using the new ieee80211_rx_napi(). This saves the overhead of looking it up in mac80211 again. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10iwlwifi: consider VHT 160MHz while parsing NVMGregory Greenman2-3/+14
Devices belonging to 9000 family can support VHT 160MHz channel width, so need to consider it when configuring VHT capabilities. However, NVM file doesn't have a single bit specifying that 160MHz is supported. This patch turns on 160MHz support in VHT capabilities in case there's at least one channel supporting 160MHz. Signed-off-by: Gregory Greenman <gregory.greenman@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10iwlwifi: allow combining different phy images with mac imagesHaim Dreyfuss6-3/+58
Currently there is one to one function between device id to it's ucode. The new generation devices allows to combine different phy and mac images. Now we have two different ucode images with the same device id. Read RF ID to identify phy image and overwrite it if needed. Signed-off-by: Haim Dreyfuss <haim.dreyfuss@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10iwlwifi: wake from runtime suspend before sending sync commandsLuca Coelho4-1/+20
If a host command was queued while in runtime suspend, it would go out before the D0I3_END_CMD was sent. Sometimes it works, but sometimes it fails, and it is obviously the wrong thing to do. To fix this, have the opmode take a reference before sending a SYNC command and make the pcie trans wait for the runtime state to become active before actually queueing the command. Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10iwlwifi: mvm: allow a debug knob for Tx A-MSDU even if rate control forbids itEmmanuel Grumbach1-3/+4
There is a debugfs knob to configure the maximal length of the A-MSDU. If this value is not 0 (which is the default), allow Tx A-MSDU even if the rate control disallows it. While at it, add "unlikely" to the if that limits the length of the A-MSDU based on the debugfs hook. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10iwlwifi: Rename 9560 to 9260 and add new PCI IDs for itHaim Dreyfuss3-13/+14
Rename 9560 to 9260. Add new PCI ID for 9260 and change some entries from 5165 to 9260. Also order the 9000 series. Signed-off-by: Haim Dreyfuss <haim.dreyfuss@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10iwlwifi: mvm: add a flag to disable checksumSara Sharon2-1/+3
Add a constant to allow disabling checksum. This will enable easier debugging in early phases. Signed-off-by: Sara Sharon <sara.sharon@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10iwlwifi: mvm: advertise RSS queue usageJohannes Berg1-0/+3
In order for mac80211 to use per-CPU statistics for RSS RX, the driver needs to advertise that it uses RSS. Do this when using more than a single queue. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10iwlwifi: trans: don't call the trans-specific ref/unref directlyLuca Coelho3-10/+7
It's cleaner to always call the iwl_trans_ref/unref() functions instead of sometimes calling the trans-specific ops directly. This also prepares for moving some of the code from the trans-specific ops to the common trans code. Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10iwlwifi: mvm: support queue removal in ADD_STA hcmdLiad Kaufman1-2/+2
To indicate to the FW that a queue has been removed, an existing flag in the ADD_STA HCMD (that hasn't been in use) has been changed to indicate that a queue is being removed from a STA. Update this in the driver code. Signed-off-by: Liad Kaufman <liad.kaufman@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10iwlwifi: mvm: utilize the frame release infrastructureSara Sharon3-5/+34
The firmware will send frame release notification in order to release "stuck" frames on a queue where no more frames arrive on. Upon receiving the message the driver shall indicate the frames up to the NSSN. Signed-off-by: Sara Sharon <sara.sharon@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10iwlwifi: mvm: add reorder timeout per frameSara Sharon3-2/+114
Add a timer in order to release expired frames from the reorder buffer. This is needed since some APs do not retransmit frames to fill in the reorder holes and in TCP it results with a complete stall of traffic. This has a few side effects on the general design: The nssn may not reflect the the head of the reorder buffer. This situation is valid, and packets with SN lower than the reorder buffer head will be dropped. Another side effect is that since the reorder timer might expire we need to lock the reorder buffer. This however is fine since the locking is only inside a single reorder buffer between RX path and reorder timeout and there is no outside contention. Signed-off-by: Sara Sharon <sara.sharon@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10iwlwifi: mvm: add reorder buffer per queueSara Sharon5-9/+276
Next hardware will direct packets to core based on the TCP/UDP streams. This logic can create holes in reorder buffer since packets that belong to other stream were directed to a different core. However, those are valid holes and the packets can be indicated in L3 order. The hardware will utilize a mechanism of informing the driver of the normalized ssn and the driver shall release all packets that SN is lower than the nssn. This enables managing the reorder across the queues without sharing any data between them. The reorder buffer is allocated and released directly in the RX path in order to avoid various races between control path and rx path. The code utilizes the internal messaging to notify rx queues of when to delete the reorder buffer. Signed-off-by: Sara Sharon <sara.sharon@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10iwlwifi: mvm: add firmware API name commentJohannes Berg1-1/+1
Add the firmware API name to the struct iwl_wowlan_gtk_status. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10iwlwifi: mvm: add infrastructure for tracking BA session in driverSara Sharon6-13/+194
According to the spec when a BA session is started there is a timeout set for the session in the ADDBA request. If there is not activity on the TA/TID then the session expires and a DELBA is sent. In order to check for the timeout, data must be shared among the rx queues. Add a timer that runs as long as BA session is active for the station and stops aggregation session if needed. This patch also lays the infrastructure for the reordering buffer which will be enabled in the next patches. Signed-off-by: Sara Sharon <sara.sharon@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10iwlwifi: mvm: change RX sync notification to be an attribute and not a typeSara Sharon4-20/+37
Currently the sync notification is a type of notification. However, it is better fitted as an attribute of a notification, since there might be another message in the payload (delba for instance) that should be sent while control path is waiting for all queues to process. Signed-off-by: Sara Sharon <sara.sharon@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10iwlwifi: mvm: implement driver RX queues sync commandSara Sharon5-0/+58
mac80211 will call the driver whenever there is a race between RSS queues and control path that requires a processing of all pending frames in RSS queues. Implement that by utilizing the internal notification mechanism: queue a message to all queues. When the message is received on a queue it decrements the atomic counter. This guarantees that all pending frames in the RX queue were processed since the message is in order inside the queue. Signed-off-by: Sara Sharon <sara.sharon@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10mwifiex: change sleep cookie poll countShengzhen Li1-1/+1
Sometimes current polling count is not sufficient. This patch increases it to 100. Signed-off-by: Shengzhen Li <szli@marvell.com> Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-05-10iwlwifi: Edit the 8265 SDIO IDMordechai Goodstein2-0/+15
Add new 8265 series SDIO ID. Signed-off-by: Mordechai Goodstein <mordechay.goodstein@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2016-05-10iwlwifi: mvm: support p2p device frames tx on dqa queue #2Liad Kaufman4-10/+27
Support sending P2P device frames should be sent from queue #2, as required in DQA mode. Signed-off-by: Liad Kaufman <liad.kaufman@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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