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2019-09-13PTP: add support for one-shot outputFelipe Balbi
Some controllers allow for a one-shot output pulse, in contrast to periodic output. Now that we have extensible versions of our IOCTLs, we can finally make use of the 'flags' field to pass a bit telling driver that if we want one-shot pulse output. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> Reviewed-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-13PTP: introduce new versions of IOCTLsFelipe Balbi
The current version of the IOCTL have a small problem which prevents us from extending the API by making use of reserved fields. In these new IOCTLs, we are now making sure that flags and rsv fields are zero which will allow us to extend the API in the future. Reviewed-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-13ixgbevf: Fix secpath usage for IPsec Tx offloadJeff Kirsher
Port the same fix for ixgbe to ixgbevf. The ixgbevf driver currently does IPsec Tx offloading based on an existing secpath. However, the secpath can also come from the Rx side, in this case it is misinterpreted for Tx offload and the packets are dropped with a "bad sa_idx" error. Fix this by using the xfrm_offload() function to test for Tx offload. CC: Shannon Nelson <snelson@pensando.io> Fixes: 7f68d4306701 ("ixgbevf: enable VF IPsec offload operations") Reported-by: Jonathan Tooker <jonathan@reliablehosting.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Acked-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-13Merge branch '100GbE' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue Jeff Kirsher says: ==================== 100GbE Intel Wired LAN Driver Updates 2019-09-12 This series contains updates to ice driver to implement and support loading a Dynamic Device Personalization (DDP) package from lib/firmware onto the device. Paul updates the way the driver version is stored in the driver so that we can pass the driver version to the firmware. Passing of the driver version to the firmware is needed for the DDP package to ensure we have the appropriate support in the driver for the features in the package. Lukasz fixes how the firmware version is stored to align with how the firmware stores its own version. Also extended the log message to display additional useful information such as NVM version, API patch information and firmware build hash. Tony adds the needed driver support to check, load and store the DDP package. Also add support for the ability to load DDP packages intended for specific hardware devices, as well as what to do when loading of the DDP package fails to load. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-13Merge branch '40GbE' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue Jeff Kirsher says: ==================== Intel Wired LAN Driver Updates 2019-09-11 This series contains updates to i40e, ixgbe/vf and iavf. Wenwen Wang fixes a potential memory leak where 3 allocated variables are not properly cleaned up on failure for ixgbe. Stefan Assmann fixes a potential kernel panic found when repeatedly spawning and destroying VFs in i40e when a NULL pointer is dereferenced due to a race condition. Fixed up the i40e driver to clear the __I40E_VIRTCHNL_OP_PENDING bit before returning after an invalid minimum transmit rate is requested. Updates the iavf driver to only apply the MAC address change when the PF ACK's the requested change. Tonghao Zhang updates ixgbe to use the skb_get_queue_mapping() API call instead of the driver accessing the queue mapping directly. Jake updates i40e to use ktime_get_real_ts64() instead of ktime_to_timespec64(). Removes the define for bit 0x0001 for cloud filters, since it is a reserved bit and not a valid type. Also added code comments to clearly state which bits are reserved and should not be used or defined for cloud filter adminq command. Clarify the macros used to specify the cloud filter fields are individual bits, so use the BIT() macro. Aleksandr fixes up the print_link_message() to include the "negotiated" FEC status for i40e. Czeslaw also adds additional log message for devices without FEC in the print_link_message() for i40e. Colin Ian King reduces the object code size by making the array API static constant. Magnus fixes a potential receive buffer starvation issue for AF_XDP by kicking the NAPI context of any queue with an attached AF_XDP zero-copy socket. v2: Removed patch 11 from the original series (Alex Duyck's ITR fix), so that it can be sent to the net tree. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-13brcmsmac: Use DIV_ROUND_CLOSEST directly to make it readablezhong jiang
The kernel.h macro DIV_ROUND_CLOSEST performs the computation (x + d/2)/d but is perhaps more readable. Signed-off-by: zhong jiang <zhongjiang@huawei.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-09-13bcma: make arrays pwr_info_offset and sprom_sizes static const, shrinks ↵Colin Ian King
object size Arrays pwr_info_offset and sprom_sizes can be make static const rather than populating them on the stack. Shrinks object size by 236 bytes. Before: text data bss dec hex filename 11300 1320 64 12684 318c drivers/bcma/sprom.o After: text data bss dec hex filename 10904 1480 64 12448 30a0 drivers/bcma/sprom.o (gcc version 9.2.1, amd64) Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-09-13rtlwifi: rtl8821ae: make array static const and remove redundant assignmentColin Ian King
The array channel_all can be make static const rather than populating it on the stack, this makes the code smaller. Also, variable place is being initialized with a value that is never read, so this assignment is redundant and can be removed. Before: text data bss dec hex filename 118537 9591 0 128128 1f480 realtek/rtlwifi/rtl8821ae/phy.o After: text data bss dec hex filename 118331 9687 0 128018 1f412 realtek/rtlwifi/rtl8821ae/phy.o Saves 110 bytes, (gcc version 9.2.1, amd64) Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-09-13brcmfmac: don't realloc wiphy during PCIe resetRafał Miłecki
Providing a new wiphy on every PCIe reset was confusing and was causing configuration problems for some users (supplicant and authenticators). Sticking to the existing wiphy should make error recovery much simpler and more reliable. Signed-off-by: Rafał Miłecki <rafal@milecki.pl> Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-09-13brcmfmac: split brcmf_attach() and brcmf_detach() functionsRafał Miłecki
Move code allocating/freeing wiphy out of above functions. This will allow reinitializing the driver (e.g. on some error) without allocating a new wiphy. Signed-off-by: Rafał Miłecki <rafal@milecki.pl> Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-09-13brcmfmac: move "cfg80211_ops" pointer to another structRafał Miłecki
This moves "ops" pointer from "struct brcmf_cfg80211_info" to the "struct brcmf_pub". This movement makes it possible to allocate wiphy without attaching cfg80211 (brcmf_cfg80211_attach()). It's required for later separation of wiphy allocation and driver initialization. While at it fix also an unlikely memory leak in the brcmf_attach(). Signed-off-by: Rafał Miłecki <rafal@milecki.pl> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-09-13Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-nextDavid S. Miller
Pablo Neira Ayuso says: ==================== Netfilter updates for net-next The following patchset contains Netfilter updates for net-next: 1) Fix error path of nf_tables_updobj(), from Dan Carpenter. 2) Move large structure away from stack in the nf_tables offload infrastructure, from Arnd Bergmann. 3) Move indirect flow_block logic to nf_tables_offload. 4) Support for synproxy objects, from Fernando Fernandez Mancera. 5) Support for fwd and dup offload. 6) Add __nft_offload_get_chain() helper, this implicitly fixes missing mutex and check for offload flags in the indirect block support, patch from wenxu. 7) Remove rules on device unregistration, from wenxu. This includes two preparation patches to reuse nft_flow_offload_chain() and nft_flow_offload_rule(). Large batch from Jeremy Sowden to make a second pass to the CONFIG_HEADER_TEST support and a bit of housekeeping: 8) Missing include guard in conntrack label header, from Jeremy Sowden. 9) A few coding style errors: trailing whitespace, incorrect indent in Kconfig, and semicolons at the end of function definitions. 10) Remove unused ipt_init() and ip6t_init() declarations. 11) Inline xt_hashlimit, ebt_802_3 and xt_physdev headers. They are only used once. 12) Update include directive in several netfilter files. 13) Remove unused include/net/netfilter/ipv6/nf_conntrack_icmpv6.h. 14) Move nf_ip6_ext_hdr() to include/linux/netfilter_ipv6.h 15) Move several synproxy structure definitions to nf_synproxy.h 16) Move nf_bridge_frag_data structure to include/linux/netfilter_bridge.h 17) Clean up static inline definitions in nf_conntrack_ecache.h. 18) Replace defined(CONFIG...) || defined(CONFIG...MODULE) with IS_ENABLED(CONFIG...). 19) Missing inline function conditional definitions based on Kconfig preferences in synproxy and nf_conntrack_timeout. 20) Update br_nf_pre_routing_ipv6() definition. 21) Move conntrack code in linux/skbuff.h to nf_conntrack headers. 22) Several patches to remove superfluous CONFIG_NETFILTER and CONFIG_NF_CONNTRACK checks in headers, coming from the initial batch support for CONFIG_HEADER_TEST for netfilter. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-13mmc: tmio: Fixup runtime PM management during removeUlf Hansson
Accessing the device when it may be runtime suspended is a bug, which is the case in tmio_mmc_host_remove(). Let's fix the behaviour. Cc: stable@vger.kernel.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
2019-09-13mmc: tmio: Fixup runtime PM management during probeUlf Hansson
The tmio_mmc_host_probe() calls pm_runtime_set_active() to update the runtime PM status of the device, as to make it reflect the current status of the HW. This works fine for most cases, but unfortunate not for all. Especially, there is a generic problem when the device has a genpd attached and that genpd have the ->start|stop() callbacks assigned. More precisely, if the driver calls pm_runtime_set_active() during ->probe(), genpd does not get to invoke the ->start() callback for it, which means the HW isn't really fully powered on. Furthermore, in the next phase, when the device becomes runtime suspended, genpd will invoke the ->stop() callback for it, potentially leading to usage count imbalance problems, depending on what's implemented behind the callbacks of course. To fix this problem, convert to call pm_runtime_get_sync() from tmio_mmc_host_probe() rather than pm_runtime_set_active(). Additionally, to avoid bumping usage counters and unnecessary re-initializing the HW the first time the tmio driver's ->runtime_resume() callback is called, introduce a state flag to keeping track of this. Cc: stable@vger.kernel.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
2019-09-13Revert "mmc: tmio: move runtime PM enablement to the driver implementations"Ulf Hansson
This reverts commit 7ff213193310ef8d0ee5f04f79d791210787ac2c. It turns out that the above commit introduces other problems. For example, calling pm_runtime_set_active() must not be done prior calling pm_runtime_enable() as that makes it fail. This leads to additional problems, such as clock enables being wrongly balanced. Rather than fixing the problem on top, let's start over by doing a revert. Fixes: 7ff213193310 ("mmc: tmio: move runtime PM enablement to the driver implementations") Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
2019-09-13netfilter: conntrack: remove two unused functions from nf_conntrack_timestamp.h.Jeremy Sowden
Two inline functions defined in nf_conntrack_timestamp.h, `nf_ct_tstamp_enabled` and `nf_ct_set_tstamp`, are not called anywhere. Remove them. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: conntrack: remove CONFIG_NF_CONNTRACK checks from ↵Jeremy Sowden
nf_conntrack_zones.h. nf_conntrack_zones.h was wrapped in a CONFIG_NF_CONNTRACK check in order to fix compilation failures: 37ee3d5b3e97 ("netfilter: nf_defrag_ipv4: fix compilation error with NF_CONNTRACK=n") Subsequent changes mean that these failures will no longer occur and the check is unnecessary. Remove it. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: remove CONFIG_NETFILTER checks from headers.Jeremy Sowden
`struct nf_hook_ops`, `struct nf_hook_state` and the `nf_hookfn` function typedef appear in function and struct declarations and definitions in a number of netfilter headers. The structs and typedef themselves are defined by linux/netfilter.h but only when CONFIG_NETFILTER is enabled. Define them unconditionally and add forward declarations in order to remove CONFIG_NETFILTER conditionals from the other headers. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: conntrack: remove CONFIG_NF_CONNTRACK check from nf_conntrack_acct.h.Jeremy Sowden
There is a superfluous `#if IS_ENABLED(CONFIG_NF_CONNTRACK)` check wrapping some function declarations. Remove it. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: conntrack: move code to linux/nf_conntrack_common.h.Jeremy Sowden
Move some `struct nf_conntrack` code from linux/skbuff.h to linux/nf_conntrack_common.h. Together with a couple of helpers for getting and setting skb->_nfct, it allows us to remove CONFIG_NF_CONNTRACK checks from net/netfilter/nf_conntrack.h. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: br_netfilter: update stub br_nf_pre_routing_ipv6 parameter to ↵Jeremy Sowden
`void *priv`. The real br_nf_pre_routing_ipv6 function, defined when CONFIG_IPV6 is enabled, expects `void *priv`, not `const struct nf_hook_ops *ops`. Update the stub br_nf_pre_routing_ipv6, defined when CONFIG_IPV6 is disabled, to match. Fixes: 06198b34a3e0 ("netfilter: Pass priv instead of nf_hook_ops to netfilter hooks") Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: conntrack: wrap two inline functions in config checks.Jeremy Sowden
nf_conntrack_synproxy.h contains three inline functions. The contents of two of them are wrapped in CONFIG_NETFILTER_SYNPROXY checks and just return NULL if it is not enabled. The third does nothing if they return NULL, so wrap its contents as well. nf_ct_timeout_data is only called if CONFIG_NETFILTER_TIMEOUT is enabled. Wrap its contents in a CONFIG_NETFILTER_TIMEOUT check like the other inline functions in nf_conntrack_timeout.h. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: replace defined(CONFIG...) || defined(CONFIG...MODULE) with ↵Jeremy Sowden
IS_ENABLED(CONFIG...). A few headers contain instances of: #if defined(CONFIG_XXX) or defined(CONFIG_XXX_MODULE) Replace them with: #if IS_ENABLED(CONFIG_XXX) Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: conntrack: use consistent style when defining inline functionsJeremy Sowden
The header contains some inline functions defined as: static inline f (...) { #ifdef CONFIG_NF_CONNTRACK_EVENTS ... #else ... #endif } and a few others as: #ifdef CONFIG_NF_CONNTRACK_EVENTS static inline f (...) { ... } #else static inline f (...) { ... } #endif Prefer the former style, which is more numerous. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: move nf_bridge_frag_data struct definition to a more appropriate ↵Jeremy Sowden
header. There is a struct definition function in nf_conntrack_bridge.h which is not specific to conntrack and is used elswhere in netfilter. Move it into netfilter_bridge.h. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: synproxy: move code between headers.Jeremy Sowden
There is some non-conntrack code in the nf_conntrack_synproxy.h header. Move it to the nf_synproxy.h header. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: move inline nf_ip6_ext_hdr() function to a more appropriate header.Jeremy Sowden
There is an inline function in ip6_tables.h which is not specific to ip6tables and is used elswhere in netfilter. Move it into netfilter_ipv6.h and update the callers. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: remove nf_conntrack_icmpv6.h header.Jeremy Sowden
nf_conntrack_icmpv6.h contains two object macros which duplicate macros in linux/icmpv6.h. The latter definitions are also visible wherever it is included, so remove it. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: update include directives.Jeremy Sowden
Include some headers in files which require them, and remove others which are not required. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: inline xt_hashlimit, ebt_802_3 and xt_physdev headersJeremy Sowden
Three netfilter headers are only included once. Inline their contents at those sites and remove them. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: ip_tables: remove unused function declarations.Jeremy Sowden
Two headers include declarations of functions which are never defined. Remove them. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: fix coding-style errors.Jeremy Sowden
Several header-files, Kconfig files and Makefiles have trailing white-space. Remove it. In netfilter/Kconfig, indent the type of CONFIG_NETFILTER_NETLINK_ACCT correctly. There are semicolons at the end of two function definitions in include/net/netfilter/nf_conntrack_acct.h and include/net/netfilter/nf_conntrack_ecache.h. Remove them. Fix indentation in nf_conntrack_l4proto.h. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: fix include guards.Jeremy Sowden
nf_conntrack_labels.h has no include guard. Add it. The comment following the #endif in the nf_flow_table.h include guard referred to the wrong macro. Fix it. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: nf_tables_offload: remove rules when the device unregisterswenxu
If the net_device unregisters, clean up the offload rules before the chain is destroy. Signed-off-by: wenxu <wenxu@ucloud.cn> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13Merge branch 'for-5.3-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup Pull cgroup fix from Tejun Heo: "Roman found and fixed a bug in the cgroup2 freezer which allows new child cgroup to escape frozen state" * 'for-5.3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: cgroup: freezer: fix frozen state inheritance kselftests: cgroup: add freezer mkdir test
2019-09-13Merge tag 'for-5.3-rc8-tag' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux Pull btrfs fixes from David Sterba: "Here are two fixes, one of them urgent fixing a bug introduced in 5.2 and reported by many users. It took time to identify the root cause, catching the 5.3 release is higly desired also to push the fix to 5.2 stable tree. The bug is a mess up of return values after adding proper error handling and honestly the kind of bug that can cause sleeping disorders until it's caught. My appologies to everybody who was affected. Summary of what could happen: 1) either a hang when committing a transaction, if this happens there's no risk of corruption, still the hang is very inconvenient and can't be resolved without a reboot 2) writeback for some btree nodes may never be started and we end up committing a transaction without noticing that, this is really serious and that will lead to the "parent transid verify failed" messages" * tag 'for-5.3-rc8-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: Btrfs: fix unwritten extent buffers and hangs on future writeback attempts Btrfs: fix assertion failure during fsync and use of stale transaction
2019-09-13netfilter: nf_tables_offload: refactor the nft_flow_offload_rule functionwenxu
Pass rule, chain and flow_rule object parameters to nft_flow_offload_rule to reuse it. Signed-off-by: wenxu <wenxu@ucloud.cn> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: nf_tables_offload: refactor the nft_flow_offload_chain functionwenxu
Pass chain and policy parameters to nft_flow_offload_chain to reuse it. Signed-off-by: wenxu <wenxu@ucloud.cn> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: nf_tables_offload: add __nft_offload_get_chain functionwenxu
Add __nft_offload_get_chain function to get basechain from device. This function requires that caller holds the per-netns nftables mutex. This patch implicitly fixes missing offload flags check and proper mutex from nft_indr_block_cb(). Fixes: 9a32669fecfb ("netfilter: nf_tables_offload: support indr block call") Signed-off-by: wenxu <wenxu@ucloud.cn> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-12cgroup: freezer: fix frozen state inheritanceRoman Gushchin
If a new child cgroup is created in the frozen cgroup hierarchy (one or more of ancestor cgroups is frozen), the CGRP_FREEZE cgroup flag should be set. Otherwise if a process will be attached to the child cgroup, it won't become frozen. The problem can be reproduced with the test_cgfreezer_mkdir test. This is the output before this patch: ~/test_freezer ok 1 test_cgfreezer_simple ok 2 test_cgfreezer_tree ok 3 test_cgfreezer_forkbomb Cgroup /sys/fs/cgroup/cg_test_mkdir_A/cg_test_mkdir_B isn't frozen not ok 4 test_cgfreezer_mkdir ok 5 test_cgfreezer_rmdir ok 6 test_cgfreezer_migrate ok 7 test_cgfreezer_ptrace ok 8 test_cgfreezer_stopped ok 9 test_cgfreezer_ptraced ok 10 test_cgfreezer_vfork And with this patch: ~/test_freezer ok 1 test_cgfreezer_simple ok 2 test_cgfreezer_tree ok 3 test_cgfreezer_forkbomb ok 4 test_cgfreezer_mkdir ok 5 test_cgfreezer_rmdir ok 6 test_cgfreezer_migrate ok 7 test_cgfreezer_ptrace ok 8 test_cgfreezer_stopped ok 9 test_cgfreezer_ptraced ok 10 test_cgfreezer_vfork Reported-by: Mark Crossen <mcrossen@fb.com> Signed-off-by: Roman Gushchin <guro@fb.com> Fixes: 76f969e8948d ("cgroup: cgroup v2 freezer") Cc: Tejun Heo <tj@kernel.org> Cc: stable@vger.kernel.org # v5.2+ Signed-off-by: Tejun Heo <tj@kernel.org>
2019-09-12kselftests: cgroup: add freezer mkdir testRoman Gushchin
Add a new cgroup freezer selftest, which checks that if a cgroup is frozen, their new child cgroups will properly inherit the frozen state. It creates a parent cgroup, freezes it, creates a child cgroup and populates it with a dummy process. Then it checks that both parent and child cgroup are frozen. Signed-off-by: Roman Gushchin <guro@fb.com> Cc: Tejun Heo <tj@kernel.org> Cc: Shuah Khan <shuah@kernel.org> Signed-off-by: Tejun Heo <tj@kernel.org>
2019-09-12ice: Bump versionTony Nguyen
Bump version to 0.8.1-k Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-09-12ice: Enable DDP package downloadTony Nguyen
Attempt to request an optional device-specific DDP package file (one with the PCIe Device Serial Number in its name so that different DDP package files can be used on different devices). If the optional package file exists, download it to the device. If not, download the default package file. Log an appropriate message based on whether or not a DDP package file exists and the return code from the attempt to download it to the device. If the download fails and there is not already a package file on the device, go into "Safe Mode" where some features are not supported. Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-09-12ice: Initialize DDP package structuresTony Nguyen
Add functions to initialize, parse, and clean structures representing the DDP package. Upon completion of package download, read and store the DDP package contents to these structures. This configuration is used to identify the default behavior and later used to update the HW table entries. Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-09-12ice: Implement Dynamic Device Personalization (DDP) downloadTony Nguyen
Add the required defines, structures, and functions to enable downloading a DDP package. Before download, checks are performed to ensure the package is valid and compatible. Note that package download is not yet requested by the driver as further initialization is required to utilize the package. Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-09-12ice: Fix FW version formatting in dmesgLukasz Czapnik
The FW build id is currently being displayed as an int which doesn't make sense. Instead display FW build id as a hex value. Also add other useful information to the output such as NVM version, API patch info, and FW build hash. Signed-off-by: Lukasz Czapnik <lukasz.czapnik@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-09-12ice: send driver version to firmwarePaul M Stillwell Jr
The driver is required to send a version to the firmware to indicate that the driver is up. If the driver doesn't do this the firmware doesn't behave properly. Signed-off-by: Paul M Stillwell Jr <paul.m.stillwell.jr@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-09-12wil6210: ignore reset errors for FW during probeLior David
There are special kinds of FW such as WMI only which are used for testing, diagnostics and other specific scenario. Such FW is loaded during driver probe and the driver disallows enabling any network interface, to avoid operational issues. In many cases it is used to debug early versions of FW with new features, which sometimes fail on startup. Currently when such FW fails to load (for example, because of init failure), the driver probe would fail and shutdown the device making it difficult to debug the early failure. To fix this, ignore load failures in WMI only FW and allow driver probe to succeed, making it possible to continue and debug the FW load failure. Signed-off-by: Lior David <liord@codeaurora.org> Signed-off-by: Maya Erez <merez@codeaurora.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-09-12wil6210: fix RX short frame checkLior David
The short frame check in wil_sring_reap_rx_edma uses skb->len which store the maximum frame length. Fix this to use dmalen which is the actual length of the received frame. Signed-off-by: Lior David <liord@codeaurora.org> Signed-off-by: Maya Erez <merez@codeaurora.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-09-12wil6210: use writel_relaxed in wil_debugfs_iomem_x32_setLior David
writel_relaxed can be used in wil_debugfs_iomem_x32_set since there is a wmb call immediately after. Signed-off-by: Lior David <liord@codeaurora.org> Signed-off-by: Maya Erez <merez@codeaurora.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>