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2018-05-08net: aquantia: Limit number of vectors to actually allocated irqsIgor Russkikh3-10/+12
Driver should use pci_alloc_irq_vectors return value to correct number of allocated vectors and napi instances. Otherwise it'll panic later in pci_irq_vector. Driver also should allow more than one MSI vectors to be allocated. Error return path from pci_alloc_irq_vectors is also fixed to revert resources in a correct sequence when error happens. Reported-by: Long, Nicholas <nicholas.a.long@baesystems.com> Fixes: 23ee07a ("net: aquantia: Cleanup pci functions module") Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-05-08net: aquantia: driver should correctly declare vlan_features bitsIgor Russkikh1-0/+2
In particular, not reporting SG forced skbs to be linear for vlan interfaces over atlantic NIC. With this fix it is possible to enable SG feature on device and therefore optimize performance. Reported-by: Ma Yuying <yuma@redhat.com> Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-11net: aquantia: oops when shutdown on already stopped deviceIgor Russkikh1-3/+5
In case netdev is closed at the moment of pci shutdown, aq_nic_stop gets called second time. napi_disable in that case hangs indefinitely. In other case, if device was never opened at all, we get oops because of null pointer access. We should invoke aq_nic_stop conditionally, only if device is running at the moment of shutdown. Reported-by: David Arcari <darcari@redhat.com> Fixes: 90869ddfefeb ("net: aquantia: Implement pci shutdown callback") Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-11net: aquantia: Regression on reset with 1.x firmwareIgor Russkikh1-0/+16
On ASUS XG-C100C with 1.5.44 firmware a special mode called "dirty wake" is active. With this mode when motherboard gets powered (but no poweron happens yet), NIC automatically enables powersave link and watches for WOL packet. This normally allows to powerup the PC after AC power failures. Not all motherboards or bios settings gives power to PCI slots, so this mode is not enabled on all the hardware. 4.16 linux driver introduced full hardware reset sequence This is required since before that we had no NIC hardware reset implemented and there were side effects of "not clean start". But this full reset is incompatible with "dirty wake" WOL feature it keeps the PHY link in a special mode forever. As a consequence, driver sees no link and no traffic. To fix this we forcibly change FW state to idle state before doing the full reset. This makes FW to restore link state. Fixes: c8c82eb net: aquantia: Introduce global AQC hardware reset sequence Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-27net: aquantia: Make function hw_atl_utils_mpi_set_speed() staticWei Yongjun1-1/+1
Fixes the following sparse warning: drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c:508:5: warning: symbol 'hw_atl_utils_mpi_set_speed' was not declared. Should it be static? Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-23Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller10-30/+99
Fun set of conflict resolutions here... For the mac80211 stuff, these were fortunately just parallel adds. Trivially resolved. In drivers/net/phy/phy.c we had a bug fix in 'net' that moved the function phy_disable_interrupts() earlier in the file, whilst in 'net-next' the phy_error() call from this function was removed. In net/ipv4/xfrm4_policy.c, David Ahern's changes to remove the 'rt_table_id' member of rtable collided with a bug fix in 'net' that added a new struct member "rt_mtu_locked" which needs to be copied over here. The mlxsw driver conflict consisted of net-next separating the span code and definitions into separate files, whilst a 'net' bug fix made some changes to that moved code. The mlx5 infiniband conflict resolution was quite non-trivial, the RDMA tree's merge commit was used as a guide here, and here are their notes: ==================== Due to bug fixes found by the syzkaller bot and taken into the for-rc branch after development for the 4.17 merge window had already started being taken into the for-next branch, there were fairly non-trivial merge issues that would need to be resolved between the for-rc branch and the for-next branch. This merge resolves those conflicts and provides a unified base upon which ongoing development for 4.17 can be based. Conflicts: drivers/infiniband/hw/mlx5/main.c - Commit 42cea83f9524 (IB/mlx5: Fix cleanup order on unload) added to for-rc and commit b5ca15ad7e61 (IB/mlx5: Add proper representors support) add as part of the devel cycle both needed to modify the init/de-init functions used by mlx5. To support the new representors, the new functions added by the cleanup patch needed to be made non-static, and the init/de-init list added by the representors patch needed to be modified to match the init/de-init list changes made by the cleanup patch. Updates: drivers/infiniband/hw/mlx5/mlx5_ib.h - Update function prototypes added by representors patch to reflect new function names as changed by cleanup patch drivers/infiniband/hw/mlx5/ib_rep.c - Update init/de-init stage list to match new order from cleanup patch ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-22net: aquantia: driver version bumpIgor Russkikh1-1/+1
Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-22net: aquantia: Implement pci shutdown callbackIgor Russkikh3-0/+36
We should close link and all NIC operations during shutdown. On some systems graceful reboot never closes NIC interface on its own, but only indicates pci device shutdown. Without explicit handler, NIC rx rings continued to transfer DMA data into prepared buffers while CPU rebooted already. That caused memory corruptions on soft reboot. Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-22net: aquantia: Allow live mac address changesIgor Russkikh1-0/+2
There is nothing prevents us from changing MAC on the running interface. Allow this with ndev priv flag. Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-22net: aquantia: Add tx clean budget and valid budget handling logicIgor Russkikh4-9/+13
We should report to napi full budget only when we have more job to do. Before this fix, on any tx queue cleanup we forced napi to do poll again. Thats a waste of cpu resources and caused storming with napi polls when there was at least one tx on each interrupt. With this fix we report full budget only when there is more job on TX to do. Or, as before, when rx budget was fully consumed. Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-22net: aquantia: Change inefficient wait loop on fw data readsIgor Russkikh2-15/+28
B1 hardware changes behavior of mailbox interface, it has busy bit always raised. Data ready condition should be detected by increment of address register. Old code has empty `for` loop, and that caused cpu overloads on B1 hardware. aq_nic_service_timer_cb consumed ~100ms because of that. Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-22net: aquantia: Fix a regression with reset on old firmwareIgor Russkikh1-0/+4
FW 1.5.58 and below needs a fixed delay even after 0x18 register is filled. Otherwise, setting MPI_INIT state too fast causes traffic hang. Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-22net: aquantia: Fix hardware reset when SPI may rarely hangupIgor Russkikh1-5/+15
Under some circumstances (notably using thunderbolt interface) SPI on chip reset may be in active transaction. Here we forcibly cleanup SPI to prevent possible hangups. Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-24Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller1-4/+10
2018-02-22net: aquantia: Fix error handling in aq_pci_probe()Dan Carpenter1-4/+10
We should check "self->aq_hw" for allocation failure, and also we should free it on the error paths. Fixes: 23ee07ad3c2f ("net: aquantia: Cleanup pci functions module") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-22aquantia: add Makefiles to all directoriesJakub Kicinski1-0/+2
To be able to build separate objects we need to provide Kbuild with a Makefile in each directory. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-23net: aquantia: make symbol hw_atl_boards staticWei Yongjun1-1/+1
Fixes the following sparse warning: drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c:50:34: warning: symbol 'hw_atl_boards' was not declared. Should it be static? Fixes: 4948293ff963 ("net: aquantia: Introduce new AQC devices and capabilities") Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Acked-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-23net: aquantia: Fix error return code in aq_pci_probe()Wei Yongjun1-1/+3
Fix to return error code -ENOMEM from the aq_ndev_alloc() error handling case instead of 0, as done elsewhere in this function. Fixes: 23ee07ad3c2f ("net: aquantia: Cleanup pci functions module") Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Acked-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-21net: aquantia: bump driver version to match aquantia internal numberingIgor Russkikh1-3/+3
Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-21net: aquantia: Report correct mediatype via ethtoolIgor Russkikh1-3/+13
For devices with known capabilities of Fibre media type we now report that to ethtool. Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-21net: aquantia: Introduce global AQC hardware reset sequenceIgor Russkikh3-29/+183
The detailed reset sequence ensures all HW components are in aligned state before NIC startup. It also supports cards with signed firmware (RBL) and checks if their FW is valid. Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-21net: aquantia: Introduce support for new firmware on AQC cardsIgor Russkikh5-4/+257
This defines fw2x operations table and corresponding methods. Some of the functions are being shared with 1.x firmware Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-21net: aquantia: Introduce firmware ops callbacksIgor Russkikh8-81/+101
New AQC cards will have an updated firmware with new binary interface. This patch extracts firmware specific operations into a separate table and prepares for the introduction of new fw 2.x and 3.x Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-21net: aquantia: Change confusing no_ff_addr to more meaningful nameIgor Russkikh4-4/+9
The address to check if HW is not dead/hang could be stored in capabilities, since it is a constant. Change its name to better reflect the idea. Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-21net: aquantia: Remove create/destroy from hw opsIgor Russkikh3-54/+0
These ops are not related to HW and are now implemented in pci module. Thus, remove these ops pointers and implementation. Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-21net: aquantia: Cleanup pci functions moduleIgor Russkikh7-385/+156
Driver contained a dead code of maintaining multiple pci port instances. That will never be used since for each pci function a separate NIC instance is created. Simplify this, making pci module only responsible for pci resource management. NIC initialization is also simplified accordingly. Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-21net: aquantia: Convert hw and caps structures to const static pointersIgor Russkikh2-50/+50
This removes unnecessary structure copying, and prepares the driver for separate firmware ops table introduction. We also remove extra copy of capabilities structure (which is const actually) and also replace it with a const pointer in aq_nic_cfg. Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-21net: aquantia: Introduce new AQC devices and capabilitiesIgor Russkikh12-159/+239
A number of new AQC devices is going to be released. To support more flexible capabilities management a number of static caps instances is now declared. Devices now are mainly differs by supported speeds, but in future more parameters will be customized. A set of AQC100 devices have fibre media, not twisted pair - this is also reflected in new capabilities definitions. HW level also now directly exports hw_ops for each of A0/B0 hardware. PCI configuration now uses a device configuration table where each device ID is explicitly mapped with hardware OPs and capabilities structures. Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-21net: aquantia: Introduce new device ids and constantsIgor Russkikh10-87/+94
New set of aquantia devices has an upgraded hardware (B1). The hardware interface is identical to B0. The difference will be in firmware which is incompatible with old one. Reorganized and removed duplicate speed and devid definitions Introduced explicit flow control configuration defines Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-16net: aquantia: Fix internal stats calculation on rxIgor Russkikh1-2/+2
skb len should be fetched before gro_receive - otherwise we may get wrong or even outdated skb data. Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-16net: aquantia: Prepend hw access functions declarations with prefixIgor Russkikh5-840/+922
Internal functions for registers and HW access were not prefixed. This introduce noise in global kernel symbols. Here we add explicit prefix 'hw_atl' to all the HW access layer functions. Alignment and styling were fixed as well. Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-16net: aquantia: Fix register definitions to linux styleIgor Russkikh3-1139/+1173
Original driver code had internal registers and masks declarations in low case and without any prefix. Here we make all these uppercase and add already used HW_ATL prefix to recognize these. Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-16net: aquantia: Eliminate aq_nic structure abstractionIgor Russkikh10-54/+46
aq_nic_s was hidden in aq_nic_internal.h, that made it difficult to access nic fields and structures from other modules. This change moves aq_nic_s struct into aq_nic.h and thus makes it available to other driver modules, mainly pci module and hw related module. Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-16net: aquantia: Simplify dependencies between pci modulesIgor Russkikh6-106/+113
Eliminate useless passing of net_device_ops and ethtools_ops through deep chain of calls. Move all pci related code into aq_pci_func module. Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-16net: aquantia: Add const qualifiers for hardware ops tablesIgor Russkikh14-20/+21
Hardware operations and capabilities tables are constants and never changed. Declare these as constants. Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-16net: aquantia: Remove duplicate hardware descriptors declarationsIgor Russkikh3-62/+31
Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-16net: aquantia: Cleanup hardware access modulesIgor Russkikh8-97/+71
Use direct aq_hw_s *self reference where possible Eliminate useless abstraction PHAL, duplicated structures definitions, Simplify nic config structure creation and management. Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-16net: aquantia: Cleanup status flags accessesIgor Russkikh9-17/+11
Usage of aq_obj_s structure is noop, here we remove it replacing access to flags filed directly. Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-16net: aquantia: Eliminate AQ_DIMOF, replace with ARRAY_SIZEIgor Russkikh5-6/+4
Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-15net: aquantia: Increment driver versionIgor Russkikh2-3/+6
Add a suffix to distinguish kernel mainline version and aquantia releases Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-15net: aquantia: Fix typo in ethtool statistics namesIgor Russkikh1-8/+8
Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-15net: aquantia: Update hw counters on hw initIgor Russkikh2-0/+8
On very first start we should read out current HW counter values to make diff based calculations later. This also should be done each time NIC gets down/up or wakes up after sleep state. We reset link state explicitly to prevent diffs from being summed this first time. Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-15net: aquantia: Improve link state and statistics check interval callbackIgor Russkikh2-3/+6
Reduce timeout from 2 secs to 1 sec. If link is down, reduce it to 500msec. This speeds up link detection. Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-15net: aquantia: Fill in multicast counter in ndev stats from hardwareIgor Russkikh1-0/+1
This metric comes from HW and is also diff-calculated, like other counters Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-15net: aquantia: Fill ndev stat couters from hardwareIgor Russkikh1-16/+16
Originally they were filled from ring sw counters. These sometimes incorrectly calculate byte and packet amounts when using LRO/LSO and jumboframes. Filling ndev counters from hardware makes them precise. Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-15net: aquantia: Extend stat counters to 64bit valuesIgor Russkikh4-67/+79
Device hardware provides only 32bit counters. Using these directly causes byte counters to overflow soon. A separate nic level structure with 64 bit counters is now used to collect incrementally all the stats and report these counters to ethtool stats and ndev stats. Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-15net: aquantia: Fix hardware DMA stream overload on large MRRSIgor Russkikh2-0/+18
Systems with large MRRS on device (2K, 4K) with high data rates and/or large MTU, atlantic observes DMA packet buffer overflow. On some systems that causes PCIe transaction errors, hardware NMIs or datapath freeze. This patch 1) Limits MRRS from device side to 2K (thats maximum our hardware supports) 2) Limit maximum size of outstanding TX DMA data read requests. This makes hardware buffers running fine. Signed-off-by: Pavel Belous <pavel.belous@aquantia.com> Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-15net: aquantia: Fix actual speed capabilities reportingIgor Russkikh6-9/+35
Different hardware device Ids correspond to different maximum speed available. Extra checks were added for devices D108 and D109 to remove unsupported speeds from these device capabilities list. Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-11-21treewide: setup_timer() -> timer_setup()Kees Cook1-8/+6
This converts all remaining cases of the old setup_timer() API into using timer_setup(), where the callback argument is the structure already holding the struct timer_list. These should have no behavioral changes, since they just change which pointer is passed into the callback with the same available pointers after conversion. It handles the following examples, in addition to some other variations. Casting from unsigned long: void my_callback(unsigned long data) { struct something *ptr = (struct something *)data; ... } ... setup_timer(&ptr->my_timer, my_callback, ptr); and forced object casts: void my_callback(struct something *ptr) { ... } ... setup_timer(&ptr->my_timer, my_callback, (unsigned long)ptr); become: void my_callback(struct timer_list *t) { struct something *ptr = from_timer(ptr, t, my_timer); ... } ... timer_setup(&ptr->my_timer, my_callback, 0); Direct function assignments: void my_callback(unsigned long data) { struct something *ptr = (struct something *)data; ... } ... ptr->my_timer.function = my_callback; have a temporary cast added, along with converting the args: void my_callback(struct timer_list *t) { struct something *ptr = from_timer(ptr, t, my_timer); ... } ... ptr->my_timer.function = (TIMER_FUNC_TYPE)my_callback; And finally, callbacks without a data assignment: void my_callback(unsigned long data) { ... } ... setup_timer(&ptr->my_timer, my_callback, 0); have their argument renamed to verify they're unused during conversion: void my_callback(struct timer_list *unused) { ... } ... timer_setup(&ptr->my_timer, my_callback, 0); The conversion is done with the following Coccinelle script: spatch --very-quiet --all-includes --include-headers \ -I ./arch/x86/include -I ./arch/x86/include/generated \ -I ./include -I ./arch/x86/include/uapi \ -I ./arch/x86/include/generated/uapi -I ./include/uapi \ -I ./include/generated/uapi --include ./include/linux/kconfig.h \ --dir . \ --cocci-file ~/src/data/timer_setup.cocci @fix_address_of@ expression e; @@ setup_timer( -&(e) +&e , ...) // Update any raw setup_timer() usages that have a NULL callback, but // would otherwise match change_timer_function_usage, since the latter // will update all function assignments done in the face of a NULL // function initialization in setup_timer(). @change_timer_function_usage_NULL@ expression _E; identifier _timer; type _cast_data; @@ ( -setup_timer(&_E->_timer, NULL, _E); +timer_setup(&_E->_timer, NULL, 0); | -setup_timer(&_E->_timer, NULL, (_cast_data)_E); +timer_setup(&_E->_timer, NULL, 0); | -setup_timer(&_E._timer, NULL, &_E); +timer_setup(&_E._timer, NULL, 0); | -setup_timer(&_E._timer, NULL, (_cast_data)&_E); +timer_setup(&_E._timer, NULL, 0); ) @change_timer_function_usage@ expression _E; identifier _timer; struct timer_list _stl; identifier _callback; type _cast_func, _cast_data; @@ ( -setup_timer(&_E->_timer, _callback, _E); +timer_setup(&_E->_timer, _callback, 0); | -setup_timer(&_E->_timer, &_callback, _E); +timer_setup(&_E->_timer, _callback, 0); | -setup_timer(&_E->_timer, _callback, (_cast_data)_E); +timer_setup(&_E->_timer, _callback, 0); | -setup_timer(&_E->_timer, &_callback, (_cast_data)_E); +timer_setup(&_E->_timer, _callback, 0); | -setup_timer(&_E->_timer, (_cast_func)_callback, _E); +timer_setup(&_E->_timer, _callback, 0); | -setup_timer(&_E->_timer, (_cast_func)&_callback, _E); +timer_setup(&_E->_timer, _callback, 0); | -setup_timer(&_E->_timer, (_cast_func)_callback, (_cast_data)_E); +timer_setup(&_E->_timer, _callback, 0); | -setup_timer(&_E->_timer, (_cast_func)&_callback, (_cast_data)_E); +timer_setup(&_E->_timer, _callback, 0); | -setup_timer(&_E._timer, _callback, (_cast_data)_E); +timer_setup(&_E._timer, _callback, 0); | -setup_timer(&_E._timer, _callback, (_cast_data)&_E); +timer_setup(&_E._timer, _callback, 0); | -setup_timer(&_E._timer, &_callback, (_cast_data)_E); +timer_setup(&_E._timer, _callback, 0); | -setup_timer(&_E._timer, &_callback, (_cast_data)&_E); +timer_setup(&_E._timer, _callback, 0); | -setup_timer(&_E._timer, (_cast_func)_callback, (_cast_data)_E); +timer_setup(&_E._timer, _callback, 0); | -setup_timer(&_E._timer, (_cast_func)_callback, (_cast_data)&_E); +timer_setup(&_E._timer, _callback, 0); | -setup_timer(&_E._timer, (_cast_func)&_callback, (_cast_data)_E); +timer_setup(&_E._timer, _callback, 0); | -setup_timer(&_E._timer, (_cast_func)&_callback, (_cast_data)&_E); +timer_setup(&_E._timer, _callback, 0); | _E->_timer@_stl.function = _callback; | _E->_timer@_stl.function = &_callback; | _E->_timer@_stl.function = (_cast_func)_callback; | _E->_timer@_stl.function = (_cast_func)&_callback; | _E._timer@_stl.function = _callback; | _E._timer@_stl.function = &_callback; | _E._timer@_stl.function = (_cast_func)_callback; | _E._timer@_stl.function = (_cast_func)&_callback; ) // callback(unsigned long arg) @change_callback_handle_cast depends on change_timer_function_usage@ identifier change_timer_function_usage._callback; identifier change_timer_function_usage._timer; type _origtype; identifier _origarg; type _handletype; identifier _handle; @@ void _callback( -_origtype _origarg +struct timer_list *t ) { ( ... when != _origarg _handletype *_handle = -(_handletype *)_origarg; +from_timer(_handle, t, _timer); ... when != _origarg | ... when != _origarg _handletype *_handle = -(void *)_origarg; +from_timer(_handle, t, _timer); ... when != _origarg | ... when != _origarg _handletype *_handle; ... when != _handle _handle = -(_handletype *)_origarg; +from_timer(_handle, t, _timer); ... when != _origarg | ... when != _origarg _handletype *_handle; ... when != _handle _handle = -(void *)_origarg; +from_timer(_handle, t, _timer); ... when != _origarg ) } // callback(unsigned long arg) without existing variable @change_callback_handle_cast_no_arg depends on change_timer_function_usage && !change_callback_handle_cast@ identifier change_timer_function_usage._callback; identifier change_timer_function_usage._timer; type _origtype; identifier _origarg; type _handletype; @@ void _callback( -_origtype _origarg +struct timer_list *t ) { + _handletype *_origarg = from_timer(_origarg, t, _timer); + ... when != _origarg - (_handletype *)_origarg + _origarg ... when != _origarg } // Avoid already converted callbacks. @match_callback_converted depends on change_timer_function_usage && !change_callback_handle_cast && !change_callback_handle_cast_no_arg@ identifier change_timer_function_usage._callback; identifier t; @@ void _callback(struct timer_list *t) { ... } // callback(struct something *handle) @change_callback_handle_arg depends on change_timer_function_usage && !match_callback_converted && !change_callback_handle_cast && !change_callback_handle_cast_no_arg@ identifier change_timer_function_usage._callback; identifier change_timer_function_usage._timer; type _handletype; identifier _handle; @@ void _callback( -_handletype *_handle +struct timer_list *t ) { + _handletype *_handle = from_timer(_handle, t, _timer); ... } // If change_callback_handle_arg ran on an empty function, remove // the added handler. @unchange_callback_handle_arg depends on change_timer_function_usage && change_callback_handle_arg@ identifier change_timer_function_usage._callback; identifier change_timer_function_usage._timer; type _handletype; identifier _handle; identifier t; @@ void _callback(struct timer_list *t) { - _handletype *_handle = from_timer(_handle, t, _timer); } // We only want to refactor the setup_timer() data argument if we've found // the matching callback. This undoes changes in change_timer_function_usage. @unchange_timer_function_usage depends on change_timer_function_usage && !change_callback_handle_cast && !change_callback_handle_cast_no_arg && !change_callback_handle_arg@ expression change_timer_function_usage._E; identifier change_timer_function_usage._timer; identifier change_timer_function_usage._callback; type change_timer_function_usage._cast_data; @@ ( -timer_setup(&_E->_timer, _callback, 0); +setup_timer(&_E->_timer, _callback, (_cast_data)_E); | -timer_setup(&_E._timer, _callback, 0); +setup_timer(&_E._timer, _callback, (_cast_data)&_E); ) // If we fixed a callback from a .function assignment, fix the // assignment cast now. @change_timer_function_assignment depends on change_timer_function_usage && (change_callback_handle_cast || change_callback_handle_cast_no_arg || change_callback_handle_arg)@ expression change_timer_function_usage._E; identifier change_timer_function_usage._timer; identifier change_timer_function_usage._callback; type _cast_func; typedef TIMER_FUNC_TYPE; @@ ( _E->_timer.function = -_callback +(TIMER_FUNC_TYPE)_callback ; | _E->_timer.function = -&_callback +(TIMER_FUNC_TYPE)_callback ; | _E->_timer.function = -(_cast_func)_callback; +(TIMER_FUNC_TYPE)_callback ; | _E->_timer.function = -(_cast_func)&_callback +(TIMER_FUNC_TYPE)_callback ; | _E._timer.function = -_callback +(TIMER_FUNC_TYPE)_callback ; | _E._timer.function = -&_callback; +(TIMER_FUNC_TYPE)_callback ; | _E._timer.function = -(_cast_func)_callback +(TIMER_FUNC_TYPE)_callback ; | _E._timer.function = -(_cast_func)&_callback +(TIMER_FUNC_TYPE)_callback ; ) // Sometimes timer functions are called directly. Replace matched args. @change_timer_function_calls depends on change_timer_function_usage && (change_callback_handle_cast || change_callback_handle_cast_no_arg || change_callback_handle_arg)@ expression _E; identifier change_timer_function_usage._timer; identifier change_timer_function_usage._callback; type _cast_data; @@ _callback( ( -(_cast_data)_E +&_E->_timer | -(_cast_data)&_E +&_E._timer | -_E +&_E->_timer ) ) // If a timer has been configured without a data argument, it can be // converted without regard to the callback argument, since it is unused. @match_timer_function_unused_data@ expression _E; identifier _timer; identifier _callback; @@ ( -setup_timer(&_E->_timer, _callback, 0); +timer_setup(&_E->_timer, _callback, 0); | -setup_timer(&_E->_timer, _callback, 0L); +timer_setup(&_E->_timer, _callback, 0); | -setup_timer(&_E->_timer, _callback, 0UL); +timer_setup(&_E->_timer, _callback, 0); | -setup_timer(&_E._timer, _callback, 0); +timer_setup(&_E._timer, _callback, 0); | -setup_timer(&_E._timer, _callback, 0L); +timer_setup(&_E._timer, _callback, 0); | -setup_timer(&_E._timer, _callback, 0UL); +timer_setup(&_E._timer, _callback, 0); | -setup_timer(&_timer, _callback, 0); +timer_setup(&_timer, _callback, 0); | -setup_timer(&_timer, _callback, 0L); +timer_setup(&_timer, _callback, 0); | -setup_timer(&_timer, _callback, 0UL); +timer_setup(&_timer, _callback, 0); | -setup_timer(_timer, _callback, 0); +timer_setup(_timer, _callback, 0); | -setup_timer(_timer, _callback, 0L); +timer_setup(_timer, _callback, 0); | -setup_timer(_timer, _callback, 0UL); +timer_setup(_timer, _callback, 0); ) @change_callback_unused_data depends on match_timer_function_unused_data@ identifier match_timer_function_unused_data._callback; type _origtype; identifier _origarg; @@ void _callback( -_origtype _origarg +struct timer_list *unused ) { ... when != _origarg } Signed-off-by: Kees Cook <keescook@chromium.org>
2017-11-15Merge branch 'akpm' (patches from Andrew)Linus Torvalds1-2/+1
Merge updates from Andrew Morton: - a few misc bits - ocfs2 updates - almost all of MM * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (131 commits) memory hotplug: fix comments when adding section mm: make alloc_node_mem_map a void call if we don't have CONFIG_FLAT_NODE_MEM_MAP mm: simplify nodemask printing mm,oom_reaper: remove pointless kthread_run() error check mm/page_ext.c: check if page_ext is not prepared writeback: remove unused function parameter mm: do not rely on preempt_count in print_vma_addr mm, sparse: do not swamp log with huge vmemmap allocation failures mm/hmm: remove redundant variable align_end mm/list_lru.c: mark expected switch fall-through mm/shmem.c: mark expected switch fall-through mm/page_alloc.c: broken deferred calculation mm: don't warn about allocations which stall for too long fs: fuse: account fuse_inode slab memory as reclaimable mm, page_alloc: fix potential false positive in __zone_watermark_ok mm: mlock: remove lru_add_drain_all() mm, sysctl: make NUMA stats configurable shmem: convert shmem_init_inodecache() to void Unify migrate_pages and move_pages access checks mm, pagevec: rename pagevec drained field ...
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