- 02 2月, 2012 1 次提交
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由 Emmanuel Grumbach 提交于
In my AMPDU rework, I rely on the sequence numbers of frames. But I didn't check that the frame has a valid tid before updating the tracking counters. As a result, the Tx queues were stalled. People who hit this bug saw that we simply didn't let any data out. This bug was introduced in 3.3. This patch fixes that and checks that the frame is a QoS frame before looking at its tid and changing the counters. Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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- 05 1月, 2012 1 次提交
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由 Djalal Harouni 提交于
Replace dma_alloc_coherent()+memset() with the new dma_zalloc_coherent() Signed-off-by: NDjalal Harouni <tixxdz@opendz.org> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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- 20 12月, 2011 1 次提交
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由 Emmanuel Grumbach 提交于
Since we configure all the queues as CHAINABLE, we need to update the byte count for all the queues, not only the AGGREGATABLE ones. Not doing so can confuse the SCD and make the fw assert. Cc: stable@vger.kernel.org Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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- 16 12月, 2011 9 次提交
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由 Emmanuel Grumbach 提交于
This will allow us to catch bad cases in which the packets aren't in the right place on the ring. Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com>
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由 Emmanuel Grumbach 提交于
This is another step towards the move of tid_data from the shared area. Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com>
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由 Emmanuel Grumbach 提交于
The tid_data is not related to the transport layer, so move the logic that depends on it to the upper layer. This patch deals with the seq_number. Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com>
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由 Emmanuel Grumbach 提交于
The tid_data is not related to the transport layer, so move the logic that depends on it to the upper layer. This patch deals with the mapping of RA / TID to HW queues in AGG. Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com>
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由 Emmanuel Grumbach 提交于
The tid_data is not related to the transport layer, so move the logic that depends on it to the upper layer. This patch deals with the code that checks if there are still pending packets for an RA / TID. Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com>
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由 Emmanuel Grumbach 提交于
The tid_data is not related to the transport layer, so move the logic that depends on it to the upper layer. This patch deals with tx AGG stop. Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com>
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由 Emmanuel Grumbach 提交于
In the same spirit as the previous patch. Eventually this will allow us to remove the tid_data knowledge from the transport layer. Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com>
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由 Emmanuel Grumbach 提交于
In the very first implementation of HT, the driver was responsible for the queueing: stopping and waking the queues while the HW queues where being drained. In this implementation, we had to deal with the case where we were draining the AGG queue because we wanted to tear down the BA agreement. In the normal flow (when we don't drain any HW queue), when packets are reclaimed, we wake the SW queue in case the SW queue was stopped which can happen when the HW queues are too full. While draining a HW queue, we must make sure that we don't wake the SW queue, since the whole point of the draining is to empty totally the HW queue and not only get below a certain threshold. This is why there is condition in the reclaim function: if (NOT EMPTYING DELBA) wake the SW queue is applicable Since then, a lot has changed and mac80211 is now able to buffer packets that are being sent to a packet list that will be spliced after the driver has reported it has drained its HW queues. Hence, there is no need for the for aforementioned if, and we can safely wake up the queue even if we are draining HW queues. Removing this if, also allows us to remove the wake_queue in check_empty that was there in order to deal with a corner case created by the if. Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com>
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由 Emmanuel Grumbach 提交于
Since packets sent to an RA / TID in AGG are sent from a separate HW Tx queue, we may get into a race: the regular queue isn't empty while we already begin to send packets from the AGG queue. This would result in sending packets out of order. In order to cope with this, mac80211 waits until the driver reports that the legacy queue is drained before it can send packets to the AGG queue. During that time, mac80211 buffers packets for the driver. These packets will be sent in order after the driver reports it is ready. The way this was implemented in the driver is as follows: We held a counter that monitors the number of packets for an RA / TID in the HW queues. When this counter reached 0, we knew that the HW queues were drained and we reported to mac80211 that were ready to proceed. This patch changes the implementation described above. We now remember what is the wifi sequence number of the first packet that will be sent in the AGG queue (lets' call it ssn). When we reclaim the packet before ssn, we know that the queue is drained, and we are ready to proceed. This will allow us to move this logic in the upper layer and eventually remove the tid_data from the shared area. Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com>
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- 09 12月, 2011 1 次提交
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由 Don Fry 提交于
Move the calib_results list from the upper layer iwl_priv structure to the lower layer iwl_trans structure. Signed-off-by: NDon Fry <donald.h.fry@intel.com> Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com>
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- 29 11月, 2011 1 次提交
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由 Emmanuel Grumbach 提交于
Add more data when inconsistencies occur in the AGG state machine. Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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- 26 11月, 2011 1 次提交
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由 Emmanuel Grumbach 提交于
Add more data when inconsistencies occur in the AGG state machine. Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com>
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- 22 11月, 2011 2 次提交
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由 Emmanuel Grumbach 提交于
Some information was redundation, other was missing. Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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由 Emmanuel Grumbach 提交于
Add more information when a queue is stuck and actually get information from the scheduler instead of looking at internal variables. Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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- 18 11月, 2011 2 次提交
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由 Emmanuel Grumbach 提交于
Some information was redundation, other was missing. Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com>
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由 Emmanuel Grumbach 提交于
Add more information when a queue is stuck and actually get information from the scheduler instead of looking at internal variables. Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com>
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- 12 11月, 2011 2 次提交
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由 Emmanuel Grumbach 提交于
Users complain that the traffic gets stalled sometimes. This will allow easier debugging. Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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由 Emmanuel Grumbach 提交于
When HW RF kill switch is set to kill the radio, our NIC issues an interrupt after we stop the APM module. When we unload the module, the driver disables and cleans the interrupts before stopping the APM. So we have a real interrupt (inta not zero) pending. When this interrupts pops up the tasklet has already been killed and we crash. Here is a logical description of the flow: disable and clean interrupts synchronize interrupts kill the tasklet stop the APM <<== creates an RF kill interrupt free_irq <<== somehow our ISR is called here and we crash Here is the panic message: [ 201.313636] BUG: unable to handle kernel paging request at ffff8800911b7150 [ 201.314541] IP: [<ffffffff8106d652>] tasklet_action+0x62/0x130 [ 201.315149] PGD 1c06063 PUD db37f067 PMD db408067 PTE 80000000911b7160 [ 201.316456] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC [ 201.317324] CPU 1 [ 201.317495] Modules linked in: arc4 iwlwifi(-) mac80211 cfg80211 netconsole configfs binfmt_misc i915 drm_kms_helper drm uvcvideo i2c_algo_bit videodev dell_laptop dcdbas intel_agp dell_wmi intel_ips psmouse intel_gtt v4l2_compat_ioctl32 asix usbnet mii serio_raw video sparse_keymap firewire_ohci sdhci_pci sdhci firewire_core e1000e crc_itu_t [last unloaded: configfs] [ 201.323839] [ 201.324015] Pid: 2061, comm: modprobe Not tainted 3.1.0-rc9-wl #4 Dell Inc. Latitude E6410/0667CC [ 201.324736] RIP: 0010:[<ffffffff8106d652>] [<ffffffff8106d652>] tasklet_action+0x62/0x130 [ 201.325128] RSP: 0018:ffff88011bc43ea0 EFLAGS: 00010286 [ 201.325338] RAX: ffff88008ae70000 RBX: ffff8800911b7150 RCX: ffff88008ae70028 [ 201.325555] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88008ae70000 [ 201.325775] RBP: ffff88011bc43ec0 R08: 0000000000000000 R09: 0000000000000000 [ 201.325994] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001 [ 201.326212] R13: 0000000000000006 R14: 0000000000000100 R15: ffff88008e259fd8 [ 201.326431] FS: 00007f4b90ea9700(0000) GS:ffff88011bc40000(0000) knlGS:0000000000000000 [ 201.326657] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 201.326864] CR2: ffff8800911b7150 CR3: 000000008fd6d000 CR4: 00000000000006e0 [ 201.327083] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 201.327302] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 201.327521] Process modprobe (pid: 2061, threadinfo ffff88008e258000, task ffff88008ae70000) [ 201.327747] Stack: [ 201.330494] 0000000000000046 0000000000000030 0000000000000001 0000000000000006 [ 201.333870] ffff88011bc43f30 ffffffff8106cd8a ffffffff811e1016 ffff88011bc43f08 [ 201.337186] 0000000100000046 ffff88008e259fd8 0000000a10be2160 0000000000000006 [ 201.340458] Call Trace: [ 201.342994] <IRQ> [ 201.345656] [<ffffffff8106cd8a>] __do_softirq+0xca/0x250 [ 201.348185] [<ffffffff811e1016>] ? pde_put+0x76/0x90 [ 201.350730] [<ffffffff8131aeae>] ? do_raw_spin_unlock+0x5e/0xb0 [ 201.353261] [<ffffffff811e1016>] ? pde_put+0x76/0x90 [ 201.355776] [<ffffffff8163ccfc>] call_softirq+0x1c/0x30 [ 201.358287] [<ffffffff8101531d>] do_softirq+0x9d/0xd0 [ 201.360823] [<ffffffff8106cb05>] irq_exit+0xd5/0xf0 [ 201.363330] [<ffffffff8163d5d6>] do_IRQ+0x66/0xe0 [ 201.365819] [<ffffffff81632673>] common_interrupt+0x73/0x73 [ 201.368257] <EOI> Cc: <stable@kernel.org> 3.1+ Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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- 03 11月, 2011 1 次提交
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由 Emmanuel Grumbach 提交于
As Stanislaw pointed out, my patch iwlagn: fix a race in the unmapping of the TFDs solved only part of the problem. The race still exists for TFDs of the host commands. Fix that too. Reported-by: NStanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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- 15 10月, 2011 5 次提交
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由 Wey-Yi Guy 提交于
Use the same calling style for all the mac80211 callback functions Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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由 Emmanuel Grumbach 提交于
This one can be _very_ noisy. Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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由 Emmanuel Grumbach 提交于
While inspecting the code, I saw that iwl_tx_queue_unmap modifies the read pointer of the Tx queue without taking any locks. This means that it can race with the reclaim flow. This can possibly lead to a DMA warning complaining that we unmap the same buffer twice. This is more a W/A than a fix since it is really weird to take sta_lock inside iwl_tx_queue_unmap, but it can help until we revamp the locking model in the transport layer. Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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由 Johannes Berg 提交于
Occasionally, the device will send interrupts while it is resuming, at a point where we are not set up again to handle them. This causes the core IRQ handling to completely disable the IRQ, and then the driver won't work again until it is reloaded/rebound. To fix this issue disable the IRQ on suspend, this will cause us to only get interrupts again after we've setup everything on resume. Signed-off-by: NJohannes Berg <johannes.berg@intel.com> Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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由 Johannes Berg 提交于
802.11 says: "Sequence numbers for QoS (+)Null frames may be set to any value." However, if we use the normal counters then peers will get confused with aggregation since there'll be holes in the sequence number sequence. To avoid that, don't assign sequence numbers to QoS Null frames. Signed-off-by: NJohannes Berg <johannes.berg@intel.com> Signed-off-by: NWey-Yi GUy <wey-yi.w.guy@intel.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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- 28 9月, 2011 2 次提交
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由 Emmanuel Grumbach 提交于
As everybody knows kcalloc checks the multiplication is safe and that we don't run into overflow. Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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由 Emmanuel Grumbach 提交于
Since all the queue logic has been moved to the transport layer, the sequence number is set in the transport layer. While doing that I forgot that the mac header is copied to the TB of the TX cmd in the upper layer before the call to the transport layer. So basically we used the sequence number from mac80211... This was fine for the first assocation but after the second, mac80211 resets its counters while we don't hence a shift that led to terrible impact on performance. Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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- 22 9月, 2011 3 次提交
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由 Amit Beka 提交于
iwl_trans_rx_alloc is only called from iwl_rx_init, so no need to init the lists twice. Signed-off-by: NAmit Beka <amit.beka@intel.com> Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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由 Emmanuel Grumbach 提交于
During my works on the transport layer I removed code that updated a local variable (is_agg) that is needed to keep the pending_frames count up to date. Fix this. Also, there should be no way to have a packet with TX_CTL_AMPDU set while the internal aggregation state machine is not in AGG_ON state. Add a WARN_ON to ensure that. Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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由 Emmanuel Grumbach 提交于
This simplifies both the transport layer and the upper layer. Kill the union in the device command, which avoids the funny syntax we had: cmd->cmd.payload. Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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- 20 9月, 2011 7 次提交
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由 Johannes Berg 提交于
The transport callbacks might as well be undefined when CONFIG_PM_SLEEP is not set, so ifdef all of it out and make everything available for PM_SLEEP only. Signed-off-by: NJohannes Berg <johannes.berg@intel.com> Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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由 Johannes Berg 提交于
There's no need to have the transport layer have a callback for iwl_trans_send_cmd_pdu() since it is just a generic wrapper around iwl_trans_send_cmd(). Signed-off-by: NJohannes Berg <johannes.berg@intel.com> Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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由 Johannes Berg 提交于
Move all the PCI-E specific transport files to be iwl-trans-pcie*; specifically iwl-trans.c which is really iwl-trans-pcie.c. Signed-off-by: NJohannes Berg <johannes.berg@intel.com> Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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由 Joe Perches 提交于
Convert kzalloc to kcalloc, coalesce multiple lines too. Signed-off-by: NJoe Perches <joe@perches.com> Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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由 Emmanuel Grumbach 提交于
and do a few clean up fixes on the way Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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由 Emmanuel Grumbach 提交于
enum iwl_rxon_context_id is the right type to use when we need a rxon_context_id. Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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由 Emmanuel Grumbach 提交于
If the driver is unloaded while there is still a host command in flight, its tfd will be freed by iwl_tx_queue_free. This function is called for both types of queues: Tx queues and cmd queue. This didn't take in count the fact that in Tx queues, tfds are mapped as TO_DEVICE (besides the first TB), whereas in cmd queue, all TBs are mapped as BIDI. Hence, tx_queue_free unmapped the second (and higher) TB of each tfd in the cmd queue as TO_DEVICE, whereas they must be freed as BIDI. This means that if a multi TFD is in flight while we unload the driver (which is quite unlikely but can happen), we will get the warning below. This patch fixes this. [ 445.234060] ------------[ cut here ]------------ [ 445.236273] WARNING: at lib/dma-debug.c:861 check_unmap+0x337/0x780() [ 445.236654] iwlagn 0000:02:00.0: DMA-API: device driver frees DMA memory with different direction [device address=0x0000000126950540] [size=8 bytes] [mapped with DMA_BIDIRECTIONAL] [unmapped with DMA_TO_DEVICE] [ 445.236654] Modules linked in: ... [ 445.236654] Pid: 1415, comm: modprobe Not tainted 3.1.0-rc4-wl-65912-g5215ff1-dirty #79 [ 445.236654] Call Trace: [ 445.236654] [<ffffffff81043a51>] warn_slowpath_common+0x71/0xa0 [ 445.236654] [<ffffffff81043b37>] warn_slowpath_fmt+0x47/0x50 [ 445.236654] [<ffffffff8121e687>] check_unmap+0x337/0x780 [ 445.236654] [<ffffffff810e9136>] ? free_one_page+0x156/0x320 [ 445.236654] [<ffffffff8121ec5a>] debug_dma_unmap_page+0x5a/0x60 [ 445.236654] [<ffffffffa021d701>] iwlagn_unmap_tfd.isra.11+0x121/0x1c0 [iwlagn] [ 445.236654] [<ffffffffa021ddf2>] iwlagn_txq_free_tfd+0x42/0x70 [iwlagn] [ 445.236654] [<ffffffffa02121de>] iwl_tx_queue_unmap+0x4e/0x70 [iwlagn] [ 445.236654] [<ffffffffa0212fad>] iwl_trans_pcie_tx_free+0x10d/0x440 [iwlagn] [ 445.236654] [<ffffffff81064959>] ? destroy_workqueue+0xb9/0x1e0 [ 445.236654] [<ffffffffa021330a>] iwl_trans_pcie_free+0x2a/0x2c0 [iwlagn] [ 445.236654] [<ffffffffa022f4f2>] iwl_remove+0x149/0x17e [iwlagn] [ 445.236654] [<ffffffffa022f546>] iwl_pci_remove+0x1f/0x65 [iwlagn] [ 445.236654] [<ffffffff81228337>] pci_device_remove+0x47/0x120 [ 445.236654] [<ffffffff8134566c>] __device_release_driver+0x7c/0xe0 [ 445.236654] [<ffffffff81345dc8>] driver_detach+0xc8/0xd0 [ 445.236654] [<ffffffff813454c8>] bus_remove_driver+0x88/0xe0 [ 445.236654] [<ffffffff81346572>] driver_unregister+0x62/0xa0 [ 445.236654] [<ffffffff812271d4>] pci_unregister_driver+0x44/0xc0 [ 445.236654] [<ffffffffa0211ce5>] iwl_pci_unregister_driver+0x15/0x20 [iwlagn] [ 445.236654] [<ffffffffa022f595>] iwl_exit+0x9/0xa74 [iwlagn] [ 445.236654] [<ffffffff810918f4>] sys_delete_module+0x184/0x240 [ 445.236654] [<ffffffff81452ece>] ? retint_swapgs+0xe/0x13 [ 445.236654] [<ffffffff8121098e>] ? trace_hardirqs_on_thunk+0x3a/0x3f [ 445.236654] [<ffffffff81459e2b>] system_call_fastpath+0x16/0x1b [ 445.236654] ---[ end trace 1fbc362b7dbe5d74 ]--- [ 445.236654] Mapped at: [ 445.236654] [<ffffffff8121d7cb>] debug_dma_map_page+0x8b/0x150 [ 445.236654] [<ffffffffa021e7b7>] iwl_enqueue_hcmd+0x837/0xa40 [iwlagn] [ 445.236654] [<ffffffffa021f92d>] iwl_trans_pcie_send_cmd+0x8d/0x580 [iwlagn] [ 445.236654] [<ffffffffa01f7c75>] iwl_send_calib_results+0x75/0xd0 [iwlagn] [ 445.236654] [<ffffffffa01f21f6>] iwlagn_alive_notify+0x196/0x1f0 [iwlagn] [ 445.386500] iwlagn 0000:02:00.0: PCI INT A disabled Reported-by: NJohannes Berg <johannes.berg@intel.com> Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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- 15 9月, 2011 1 次提交
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由 Emmanuel Grumbach 提交于
Trivial fixes to allow compilation without warnings when debug compilation flag isn't set. Also fix the compilation when debugfs flag isn't set. Fix a warning: unused priv pointer on the way. Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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