- 08 Jan, 2017 1 commit
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Eli Cohen authored
The logic was broken as it failed to update the response length for architectures with PAGE_SIZE larger than 4kB. As a result further extension of the ucontext response struct would fail. Fixes: d69e3bcf ('IB/mlx5: Mmap the HCA's core clock register to user-space') Signed-off-by:
Eli Cohen <eli@mellanox.com> Reviewed-by:
Matan Barak <matanb@mellanox.com> Signed-off-by:
Leon Romanovsky <leon@kernel.org> Signed-off-by:
Saeed Mahameed <saeedm@mellanox.com>
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- 02 Jan, 2017 27 commits
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David S. Miller authored
Saeed Mahameed says: ==================== Mellanox mlx5 core and ODP updates 2017-01-01 The following eleven patches mainly come from Artemy Kovalyov who expanded mlx5 on-demand-paging (ODP) support. In addition there are three cleanup patches which don't change any functionality, but are needed to align codebase prior accepting other patches. Memory region (MR) in IB can be huge and ODP (on-demand paging) technique allows to use unpinned memory, which can be consumed and released on demand. This allows to applications do not pin down the underlying physical pages of the address space, and save from them need to track the validity of the mappings. Rather, the HCA requests the latest translations from the OS when pages are not present, and the OS invalidates translations which are no longer valid due to either non-present pages or mapping changes. In existing ODP implementation applications is needed to register memory buffers for communication, though registered memory regions need not have valid mappings at registration time. This patch set performs the following steps to expand current ODP implementation: 1. It refactors UMR to support large regions, by introducing generic function to perform HCA translation table modifications. This function supports both atomic and process contexts and is not limited by number of modified entries. This function allows to enable reallocated memory regions of arbitrary size, so adding MR cache buckets to support up to 16GB MRs. 2. It changes page fault event format and refactor page faults logic together with addition of atomic support. 3. It prepares mlx5 core code to support implicit registration with simplified and relaxed semantics. Implicit ODP semantics allows to applications provide special memory key that represents their complete address space. Thus all IO accesses referencing to this key (with proper access rights associated with the key) wouldn't need not register any virtual address range. Thanks, Artemy, Ilya and Leon v1->v2: - Don't use 'inline' in .c files ==================== Signed-off-by:David S. Miller <davem@davemloft.net>
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Artemy Kovalyov authored
Add "type" field to mlx5_core MKEY struct. Check whether page fault happens on MKEY corresponding to MR. Signed-off-by:
Artemy Kovalyov <artemyko@mellanox.com> Signed-off-by:
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Artemy Kovalyov authored
Handle ODP atomic operations. When initiator of RDMA atomic operation use ODP MR to provide source data handle pagefault properly. Signed-off-by:
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Artemy Kovalyov authored
* Update page fault event according to last specification. * Separate code path for page fault EQ, completion EQ and async EQ. * Move page fault handling work queue from mlx5_ib static variable into mlx5_core page fault EQ. * Allocate memory to store ODP event dynamically as the events arrive, since in atomic context - use mempool. * Make mlx5_ib page fault handler run in process context. Signed-off-by:
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Artemy Kovalyov authored
Update PAGE_FAULT_RESUME command layout. Three bit fields describing page fault: rdma, rdma_write, req_res gave 8 possible combinations, while only a few were legal. Now they are interpreted as three-bit type field, where former legal combinations turns into corresponding types and unused were added as new types. Signed-off-by:
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Artemy Kovalyov authored
In this change we turn mlx5_ib_update_mtt() into generic mlx5_ib_update_xlt() to perfrom HCA translation table modifiactions supporting both atomic and process contexts and not limited by number of modified entries. Using this function we increase preallocated MRs up to 16GB. Signed-off-by:
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Artemy Kovalyov authored
Make use of extended UMR translation offset. Signed-off-by:
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Artemy Kovalyov authored
* Update struct mlx5_wqe_umr_ctrl_seg. * Currenlty UMR send_flags aim only certain use cases: enabled/disable cached MR, modifying XLT for ODP. By making flags independent make UMR more flexible allowing arbitrary manipulations. * Since different UMR formats have different entry sizes UMR request should receive exact size of translation table update instead of number of entries. Rename field npages to xlt_size in struct mlx5_umr_wr and update relevant code accordingly. * Add support of length64 bit. Signed-off-by:
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Artemy Kovalyov authored
This patch adds the following items to IFC file. 1. MLX5_MKC_ACCESS_MODE_KSM enum value for creating KSM memory keys. KSM access mode used when indirect MKey associated with fixed memory size entries. 2. null_mkey field that is used to indicate non-present KLM/KSM entries, where it causes the device to generate page fault event when trying to access it. 3. struct mlx5_ifc_cmd_hca_cap_bits capability bits indicating related value/field is supported: * fixed_buffer_size - MLX5_MKC_ACCESS_MODE_KSM * umr_extended_translation_offset - translation_offset_42_16 in UMR ctrl segment * null_mkey - null_mkey in QUERY_SPECIAL_CONTEXTS Signed-off-by: -
Binoy Jayan authored
Clean up the following common code (to post a list of work requests to the send queue of the specified QP) at various places and add a helper function 'mlx5_ib_post_send_wait' to implement the same. - Initialize 'mlx5_ib_umr_context' on stack - Assign "mlx5_umr_wr:wr:wr_cqe to umr_context.cqe - Acquire the semaphore - call ib_post_send with a single ib_send_wr - wait_for_completion() - Check for umr_context.status - Release the semaphore Signed-off-by:
Binoy Jayan <binoy.jayan@linaro.org> Signed-off-by:
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Leon Romanovsky authored
The order of features exposed by private mlx5-abi.h file is CQE zipping, packet pacing and multi-packet WQE. The internal order implemented in mlx5_ib_query_device() is multi-packet WQE, CQE zipping and packet pacing. Such difference hurts code readability, so let's sync, while mlx5-abi.h (exposed to userspace) is the primary order. This commit doesn't change any functionality. Signed-off-by:
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Max Gurtovoy authored
Fix offset for reserved fields. Fixes: 7486216b ("{net,IB}/mlx5: mlx5_ifc updates") Fixes: b4ff3a36 ("net/mlx5: Use offset based reserved field names in the IFC header file") Fixes: 7d5e1423 ("net/mlx5: Update mlx5_ifc hardware features") Signed-off-by:
Max Gurtovoy <maxg@mellanox.com> Reviewed-by:
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David S. Miller authored
Merge tag 'wireless-drivers-next-for-davem-2017-01-02' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next Kalle Valo says: ==================== wireless-drivers-next patches for 4.11 The most notable change here is the inclusion of airtime fairness scheduling to ath9k. It prevents slow clients from hogging all the airtime and unfairly slowing down faster clients. Otherwise smaller changes and cleanup. Major changes: ath9k * cleanup eeprom endian handling * add airtime fairness scheduling ath10k * fix issues for new QCA9377 firmware version * support dev_coredump() for firmware crash dump * enable channel 169 on 5 GHz band ==================== Signed-off-by:
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Niklas Cassel authored
For core revision 3.x Address-Aligned Beats is available in two registers. The DT property snps,aal was created for AAL in the DMA bus register, which is a read/write bit. The DT property snps,axi_all was created for AXI_AAL in the AXI bus mode register, which is a read only bit that reflects the value of AAL in the DMA bus register. Since the value of snps,axi_all is never used in the driver, and since the property was created for a bit that is read only, it should be safe to remove the property. Acked-by:
Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by:
Niklas Cassel <niklas.cassel@axis.com> Signed-off-by:
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David S. Miller authored
Yuval Mintz says: ==================== qed*: Driver updates The more interesting changes in this series include: - Restructuring of the qede files - qede_main.c has grown big and this series splits it into 3 parts [patches #2 and #3]. - Some significant changes in the API through which RSS indirection table gets configured [#8]. - Support for ndo_set_vf_trust() [#9] which would regulate which VFs are allowed to use promisc/multi-promisc mode. It also contains various minor changes to qed/qede, as well as non-functional changes [#1, #12] to complement other changes. ==================== Signed-off-by: -
Mintz, Yuval authored
Signed-off-by:
Yuval Mintz <Yuval.Mintz@cavium.com> Signed-off-by:
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Ram Amrani authored
If qedr isn't part of the kernel then don't allocate RDMA resources for it in qed. Signed-off-by:
Ram Amrani <Ram.Amrani@cavium.com> Signed-off-by:
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Mintz, Yuval authored
Currently multicast traffic wouldn't be routed internally to listener; Instead it would only be sent to network via the physical carrier. Signed-off-by:
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Mintz, Yuval authored
Trusted VFs would be allowed to receive promiscuous and multicast promiscuous data. Signed-off-by:
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Mintz, Yuval authored
A step toward having qede agnostic to the queue configurations in firmware/hardware - let the RSS indirections use queue handles instead of actual queue indices. Signed-off-by:
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Mintz, Yuval authored
Signed-off-by:
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Manish Chopra authored
When driver receives a recognized encapsulated packet it needs to set the skb->encapsulation field as well. Signed-off-by:
Manish Chopra <Manish.Chopra@cavium.com> Signed-off-by:
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Mintz, Yuval authored
During Rx flow driver allocates a replacement buffer each time it consumes an Rx buffer. Failing to do so, it would consume the currently processed buffer and re-post it on the ring. As a result, the Rx ring is always completely full [from driver POV]. We now allow the Rx ring to shorten by doing the re-allocations at the end of the NAPI run. The only limitation is that we still want to make sure each time we reallocate that we'd still have sufficient elements in the Rx ring to guarantee that FW would be able to post additional data and trigger an interrupt. Signed-off-by:
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Mintz, Yuval authored
Today qede requests contexts that would suffice for 64 'whole' combined queues [192 meant for 64 rx, tx and xdp tx queues], but registers netdev and limits the number of queues based on information received by qed. In turn, qed doesn't take context into account when informing qede how many queues it can support. This would lead to a configuration problem in case user tries configuring >64 combined queues to interface [or >96 in case xdp isn't enabled]. Since we don't have a mangement firware that actually provides so many interrupt lines to a single device we're currently safe but that's about to change soon. The new maximum is hence changed: - For RoCE devices, the limit would remain 64. - For non-RoCE devices, the limit might be higher [depending on the actual configuration of the device]. qed would start enforcing that limit in both scenarios. Signed-off-by: -
Mintz, Yuval authored
This takes the various filtering logic of the driver and moves them into their own dedicated file - qede_filter.c. Signed-off-by:
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Mintz, Yuval authored
This adds a new file qede_fp.c and relocates the datapath-related logic into it [from qede_main.c]. Signed-off-by:
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Mintz, Yuval authored
Since the submission of the qedr driver, there's inconsistency in the licensing of the various qed/qede files - some are GPLv2 and some are dual-license. Since qedr requires dual-license and it's dependent on both, we're updating the licensing of all qed/qede source files. Signed-off-by:
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- 01 Jan, 2017 3 commits
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Colin Ian King authored
trivial fix to spelling mistake in RT_TRACE message Signed-off-by:
Colin Ian King <colin.king@canonical.com> Signed-off-by:
Kalle Valo <kvalo@codeaurora.org>
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Colin Ian King authored
trivial fix to spelling mistake of function name in wl1271_warning, should be dynamic_ps_timeout instead of dyanmic_ps_timeout. Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.gitKalle Valo authored
ath.git patches for 4.11. Major changes: ath9k * cleanup eeprom endian handling * add airtime fairness scheduling ath10k * fix issues for new QCA9377 firmware version * support dev_coredump() for firmware crash dump * enable channel 169 on 5 GHz band
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- 30 Dec, 2016 9 commits
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Thomas Preisner authored
In some cases the return value of a failing function is not being used and the function typhoon_init_one() returns another negative error code instead. Signed-off-by:
Thomas Preisner <thomas.preisner+linux@fau.de> Signed-off-by:
Milan Stephan <milan.stephan+linux@fau.de> Signed-off-by:
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Thomas Preisner authored
In a few cases the err-variable is not set to a negative error code if a function call in typhoon_init_one() fails and thus 0 is returned instead. It may be better to set err to the appropriate negative error code before returning. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=188841Reported-by:
Pan Bian <bianpan2016@163.com> Signed-off-by:
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David Ahern authored
IP_MULTICAST_IF fails if sk_bound_dev_if is already set and the new index does not match it. e.g., ntpd[15381]: setsockopt IP_MULTICAST_IF 192.168.1.23 fails: Invalid argument Relax the check in setsockopt to allow setting mc_index to an L3 slave if sk_bound_dev_if points to an L3 master. Make a similar change for IPv6. In this case change the device lookup to take the rcu_read_lock avoiding a refcnt. The rcu lock is also needed for the lookup of a potential L3 master device. This really only silences a setsockopt failure since uses of mc_index are secondary to sk_bound_dev_if if it is set. In both cases, if either index is an L3 slave or master, lookups are directed to the same FIB table so relaxing the check at setsockopt time causes no harm. Patch is based on a suggested change by Darwin for a problem noted in their code base. Suggested-by:Darwin Dingel <darwin.dingel@alliedtelesis.co.nz> Signed-off-by:
David Ahern <dsa@cumulusnetworks.com> Signed-off-by:
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Colin Ian King authored
Trivial fixes to spelling mistake "Ivalid" to "Invalid" in brcmf_err error messages. Signed-off-by:
Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by:
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Colin Ian King authored
trivial fix to spelling mistake in RT_TRACE message Signed-off-by:
Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by:
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Ping-Ke Shih authored
The addresses of Wlan NIC registers are natural alignment, but some drivers have bugs. These are evident on platforms that need natural alignment to access registers. This change contains the following: 1. Function _rtl8821ae_dbi_read() is used to read one byte from DBI, thus it should use rtl_read_byte(). 2. Register 0x4C7 of 8192ee is single byte. Signed-off-by:Ping-Ke Shih <pkshih@realtek.com> Signed-off-by:
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Bhumika Goyal authored
cfg80211_ops structures are only passed as an argument to the function wiphy_new. This argument is of type const, so cfg80211_ops strutures having this property can be declared as const. Done using Coccinelle @r1 disable optional_qualifier @ identifier i; position p; @@ static struct cfg80211_ops i@p = {...}; @ok1@ identifier r1.i; position p; @@ wiphy_new(&i@p,...) @bad@ position p!={r1.p,ok1.p}; identifier r1.i; @@ i@p @depends on !bad disable optional_qualifier@ identifier r1.i; @@ +const struct cfg80211_ops i; File size before: text data bss dec hex filename 21225 1954 16 23195 5a9b wireless/marvell/libertas/cfg.o File size after: text data bss dec hex filename 22041 1154 16 23211 5aab wireless/marvell/libertas/cfg.o Signed-off-by:Bhumika Goyal <bhumirks@gmail.com> Signed-off-by:
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Larry Finger authored
The symbol DBG_EMERG is no longer used and is removed. In a number of places, the code has redundant messages. For example, if the failure for the firmware to run is logged, it is not necessary to log that the firmware has been started. In addition, extraneous braces are removed. Signed-off-by:
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Larry Finger authored
This is a step toward eliminating the RT_TRACE macros. Those calls that have DBG_EMERG as the level are always logged, and they represent error conditions, thus they are replaced with pr_err(). Signed-off-by:
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